1 2000-10-29 Neil Booth <neilb@earthling.net>
3 * cppmacro.c (_cpp_create_definition): Optimize the case of
4 a macro defined to itself.
6 2000-10-29 Neil Booth <neilb@earthling.net>
8 * cpplex.c (save_comment): Don't store new lines in C++ comments.
10 2000-10-29 Michael Hayes <mhayes@redhat.com>
12 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
14 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
16 * cpphash.c (cpp_forall_identifiers): Add context variable
18 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
20 (main): Call cpp_forall_identifiers with null context.
21 * cpplib.h (cpp_forall_identifiers): Update prototype.
23 * cppmain.c: Make `parse_in' and `print' static.
25 2000-10-28 Alan Modra <alan@linuxcare.com.au>
27 * c-decl.c (finish_function): Clear c_function_name_declared_p.
29 2000-10-28 Richard Henderson <rth@redhat.com>
31 * regrename.c (scan_rtx_address): Frob action, not class,
32 when trying to disable optimization.
34 2000-10-28 Mark Mitchell <mark@codesourcery.com>
36 * c-semantics.c (make_rtl_for_local_static): Don't clobber
39 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
41 * configure.in: Determine and substitute gcc_version_full.
42 * configure: Regenerate.
43 * gccbug.in: Use it to give full version. Don't allow
46 2000-10-28 Richard Henderson <rth@redhat.com>
48 * recog.c (split_all_insns): Run cleanup_subreg_operands
51 * regrename.c (regrename_optimize): Verify that all registers of
52 a multiple register mode are available.
53 (scan_rtx_address): Accept the mode of the address; all callers
56 * cpplib.c (run_directive): Fix prototype.
58 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
60 * reload.c (find_reloads): Distinguish "wins" so that we know whether
61 a given operand won because of a matching constraint or not; then use
62 that information to compute goal_alternative_matched properly.
63 * reload1.c (choose_reload_regs): Never set reload_override_in for an
66 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
67 accurate value for MULT.
68 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
69 2% or > 98% before using static branch prediction bits.
71 2000-10-28 Neil Booth <neilb@earthling.net>
75 * cpplib.c (struct answer): New.
76 (struct if_stack): Use cpp_lexer_pos rather than line and col.
77 Rename cmacro mi_cmacro.
78 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
79 IN_I): New directive and flags.
80 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
81 parse_answer, parse_assertion, find_answer): New functions.
82 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
83 (lex_macro_node): New function to replace parse_ifdef and
86 (_cpp_handle_directive): New function, combines _cpp_check_directive
87 and _cpp_check_linemarker.
89 (do_define, do_undef, parse_include, do_include, do_import,
90 do_include_next, read_line_number, do_line, do_ident, do_pragma,
91 do_pragma_once, do_pragma_poison, do_pragma_dependency):
92 Update for new token getting interface.
94 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
95 : Update for new multiple-include optimisation technique.
96 (do_elif): Don't forget to invalidate controlling macros.
98 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
99 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
100 Functions to handle assertions with the new token interface.
101 (do_assert, do_unassert): Use them.
103 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
106 (_cpp_init_stacks): Register directive names. Don't register special
109 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
110 new position recording regime.
111 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
112 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
113 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
114 (cpp_type2name): Move to cpplex.c.
116 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
117 (parse_defined): Update to handle new multiple include optimisation
118 method. Remove poisoned identifier warning.
119 (parse_assertion, TYPE_NAME): Delete.
120 (lex): Update for multiple include optimisation, removal of
121 CPP_DEFINED, to use _cpp_test_assertion for assertions and
123 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
124 (op_as_text): New function, to wrap cpp_token_as_text.
126 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
127 Update for MI optimisation.
128 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
129 segfault on diagnostic.
130 (_cpp_compare_file_date): Take a token rather than 3 args.
131 (cpp_read_file): Work correctly for zero-length files.
133 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
134 _cpp_init_hashtable and _cpp_cleanup_hashtable.
135 (cpp_lookup): Place identifiers at front of identifier pool
136 for _cpp_lookup_with_hash.
137 (_cpp_lookup_with_hash): Require identifiers to be at the front of
138 the identifier pool. Commit the memory if not already in the
141 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
142 Initialise various members of cpp_reader, memory pools, and the
144 (cpp_printer_init): Delete.
145 (cpp_cleanup): Update.
146 (struct builtin, builtin_array, initialize_builtins): Update for new
147 hashnode definition and builtin handling.
148 (cpp_start_read, cpp_finish): Don't take or initialise a
151 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
152 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
153 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
154 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
155 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
156 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
157 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
158 struct toklist, struct cpp_context, struct specnodes,
159 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
160 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
161 enum builtin_type, cpp_can_paste): New.
162 (struct cpp_token): Delete line and col members.
163 (struct cpp_buffer): New member output_lineno.
164 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
165 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
166 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
167 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
168 base_context, context, directive, mi_state, mi_if_not_defined,
169 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
170 mlstring_pos, macro_buffer, macro_buffer_len.
171 Delete members mls_line, mls_column, token_list, potential_control_macro,
172 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
173 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
174 save_parameter_spellings, need_newline, .
175 Change type of date, time and spec_nodes members.
176 Change prototypes for include and ident callbacks.
177 (struct cpp_hashnode): Change type of name. Remove union members
178 expansion and code. Add members macro, operator and builtin.
180 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
181 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
182 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
183 cpp_stop_lookahead): New prototypes.
184 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
186 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
189 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
190 ufputs): Move to cpplib.h.
191 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
192 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
193 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
194 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
195 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
196 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
197 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
198 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
199 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
200 _cpp_parse_assertion, _cpp_find_answer): Delete.
201 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
202 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
203 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
204 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
205 _cpp_handle_directive, DSC): New.
206 (struct include_file): New member defined.
208 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
209 _cpp_compare_file_date): Update.
210 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
211 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
212 _cpp_cleanup_hashtable.
214 * Makefile.in: Remove cppoutput.c.
216 * cppoutput.c: Delete
218 * fixheader.c (read_scan_file): Update for new cpp_get_token
220 (recognized_function): New argument LINE.
222 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
223 new cpp_get_token prototype.
225 * scan.h (recognized_function): Update prototype.
227 * po/POTFILES.in: Remove cppoutput.c.
229 2000-10-27 Mark Mitchell <mark@codesourcery.com>
231 * c-typeck.c (check_init_type_bitfields): Remove.
232 (constructor_incremental): Likewise.
233 (struct constructor_stack): Remove incremental bit.
234 (struct initializer_stack): Likewise.
235 (start_init): Don't play with constructor_incremental.
236 (finish_init): Likewise.
237 (really_start_incremental_init): Likewise.
238 (push_init_level): Likewise.
239 (pop_init_level): Likewise.
240 (output_init_level): Likewise.
241 (output_pending_init_elements): Likewise.
243 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
245 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
246 Improve error messages. Correct parsing of
247 #pragma pack(pop [,id]). Do not check the user-supplied
248 alignment if we're popping.
250 * gcc.dg/pack-test-1.c: New test case.
251 * gcc.dg/pack-test-2.c: New test case.
252 * gcc.dg/pack-test-1.h: New file.
254 2000-10-27 Neil Booth <neilb@earthling.net>
258 2000-10-27 Kelley Cook <kelley.cook@home.com>
260 * invoke.texi: Document -mintel-syntax
262 2000-10-27 Richard Henderson <rth@redhat.com>
264 * invoke.texi: Document -frename-registers. Add it to -O3.
265 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
266 (enum dump_file_index, dump_file): Update order.
267 (main): Set flag_rename_registers at -O3.
269 2000-10-27 Richard Henderson <rth@redhat.com>
271 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
272 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
273 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
274 * config/alpha/alpha.md (call_osf_1): Use it.
275 (call_value_osf_1): Likewise.
277 * config/ia64/ia64.c: Revert 10-23 patch.
278 (ia64_hard_regno_rename_ok): New.
279 * config/ia64/ia64-protos.h: Declare it.
280 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
282 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
283 Richard Henderson <rth@redhat.com>
285 * regrename.c: Rewrite to handle multi-register modes and
286 cond_exec instructions.
287 * Makefile.in (regrename.o): Update dependancies.
288 * recog.h (struct operand_alternative): Add is_address.
289 * recog.c (preprocess_constraints) [case 'p']: Set it.
291 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
293 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
294 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
295 top level. Kill oldstyle_subdirs. Do not include
296 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
297 $outputs. Do not run configure.lang from config.status.
298 Rearrange warning-flag logic to correspond to what the
299 makefile wants. Put special vax stage1 options in
300 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
301 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
302 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
303 switch is given, nothing otherwise.
304 * configure.lang: Delete.
306 * Makefile.in: Expunge all traces of extra_c_objs,
307 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
308 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
309 warning options via a three level scheme so that -pedantic and
310 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
311 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
312 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
313 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
314 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
315 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
316 generation rules. Wrap all rules that change the current
317 directory in parentheses; pmake doesn't spawn a new shell for
318 each command. Expunge all references to $(P). When one
319 command depends on another and they're run all at once, use &&
320 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
321 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
324 * objc/Make-lang.in: Wrap all rules that change the current
325 directory in parentheses. Expunge all references to $(P).
326 When one command depends on another and they're run all at
327 once, use && to separate them, not ;. Add OUTPUT_OPTION to
328 all object-file generation rules. Delete obsolete variables.
329 * objc/Makefile.in: Delete.
331 2000-10-27 Jakub Jelinek <jakub@redhat.com>
333 * calls.c (expand_call): If sibcall_failure is set during pass 1,
334 clear tail_call_insns as well.
336 2000-10-27 Nick Clifton <nickc@redhat.com>
338 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
341 2000-10-26 Richard Henderson <rth@redhat.com>
343 * calls.c (expand_call): Supress sibcall if we have a
344 BLKmode return in registers.
346 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
348 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
351 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
353 * tree.c (make_node, case 't'): Set alignment to that of
355 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
357 2000-10-25 Mark Mitchell <mark@codesourcery.com>
359 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
360 * configure.in (enable-libstdcxx-v3): Arrange to have
361 HAVE_LIBSTDCXX_V3 substituted into the output files.
363 2000-10-25 Richard Henderson <rth@redhat.com>
365 * recog.c (constrain_operands): Initialize which_alternative
366 before no alternatives early exit.
368 * cse.c (find_comparison_args): Check that we can reverse a
369 comparison if needed before accepting the substitution.
371 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
373 * simplify-rtx.c (simplify_relational_operation): Sign extend
374 low words before sign extending to high words.
376 2000-10-25 Nick Clifton <nickc@redhat.com>
378 * config/mcore/mcore.c: Include config.h before system.h.
380 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
382 * config/mcore/mcore.md (return): Force function epilogue to
383 always be generated to work around epilogue suppression bug in
386 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
388 * c-decl.c (grokdeclarator): Move warning for qualified void
389 return types with -pedantic to when the function type is
390 constructed. At -W, warn in general for qualified function return
391 types, except for volatile void.
392 * invoke.texi: Document this new warning at -W.
394 2000-10-25 Neil Booth <neilb@earthling.net>
396 * cpp.texi: Update with implementation-defined behavior and
399 2000-10-25 Jakub Jelinek <jakub@redhat.com>
401 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
402 incomplete type force it into alias set 0.
404 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
406 * alias.c: Include basic-block.h.
407 (loop_p): New function.
408 (mark_constant_function): Use it.
409 * Makefile.in (alias.o): Update dependencies.
411 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
413 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
416 2000-10-24 Jim Wilson <wilson@cygnus.com>
418 * expmed.c (store_bit_field): Move integer pun code down after
419 code that calls emit_move_insn for entire register move.
420 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
421 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
423 2000-10-24 Richard Henderson <rth@cygnus.com>
425 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
426 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
428 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
430 * gcse.c (cprop_insn): do not propagate constants into jump_insn
431 for machines with CC0 more than once.
433 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
435 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
436 pseudos just like memory.
438 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
440 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
441 when deleting libcall sequence collapsed to a single instruction.
443 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
445 * expr.c (do_store_flag): Don't crash if either side of a
446 comparison is error_mark_node.
448 2000-10-24 Jakub Jelinek <jakub@redhat.com>
450 * sibcall.c (purge_mem_unchanging_flag): New function.
451 (optimize_sibling_and_tail_recursive_calls): Call it.
453 2000-10-24 Philipp Thomas <pthomas@suse.de>
455 * Makefile.in (check-po): New target for doing checks in the po
456 subdir if all languages configured.
457 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
458 configure if NLS is enabled.
459 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
460 otherwise leave empty.
461 * configure: Regenerate.
463 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
465 * i386.c (print_operand): Handle new 'A' formatting code.
466 387 opcodes need suffixes even with -mintel-syntax.
467 Check for explicit size override (codes 'b', 'w' and 'k').
468 (print_operand_address): Check if register prefix is needed when
469 emitting `ds' segment override.
470 * i386.h: Add comment about new 'A' formatting code.
471 * i386.md (jump and call patterns): Emit absolute references using %A.
473 2000-10-23 Richard Henderson <rth@cygnus.com>
475 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
476 output registers as fixed.
477 (ia64_function_epilogue): Undo output fixation.
479 2000-10-23 Richard Henderson <rth@cygnus.com>
481 * config/alpha/alpha.md: Add names for all unnamed insns; use
482 define_insn_and_split in some obvious places.
484 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
485 (zero_extendqisi2, zero_extendqidi2): Likewise.
486 (zero_extendhisi2, zero_extendhidi2): Likewise.
487 (abs splitters): Fix match_scratch operand number.
488 (bcc_reverse): Swap pc & label instead of non-canonical compare.
490 2000-10-23 Jim Wilson <wilson@cygnus.com>
492 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
494 * ia64.md (cmpsi_adjusted): Use %r3.
495 (cmpdi_adjusted): Likewise.
497 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
499 * config/i386/att.h (ASM_FILE_START): Define.
501 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
503 * config/i386/linux.h (ASM_FILE_START): Define.
505 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
507 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
508 since this (only) drags in a crt0.o reference that the .ld files
511 2000-10-23 Geoff Keating <geoffk@cygnus.com>
513 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
514 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
515 reloads just like an RELOAD_FOR_OUTPUT would.
517 * local-alloc.c (update_equiv_regs): Add an abort(). When
518 deleting or moving insns, update reg_equiv[regno].init_insns.
520 2000-10-23 Mark Mitchell <mark@codesourcery.com>
522 * c-tree.texi: Improve documentation for IF_STMTs and related
523 conditional statements.
525 2000-10-22 Mark Mitchell <mark@codesourcery.com>
527 * expr.c (do_preexpand_calls): Remove.
528 (same_from_p): Don't use CALL_EXPR_RTL.
529 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
530 (preexpand_calls): Remove.
531 * tree.c (first_rtl_op): Remove CALL_EXPR case.
532 (unsave_expr_1): Likewise.
533 * tree.def (CALL_EXPR): Give it only two slots.
534 * tree.h (CALL_EXPR_RTL): Remove.
536 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
538 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
539 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
542 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
544 * calls.c (combine_pending_stack_adjustment_and_call): Don't
545 adjust stack when unadjusted_alignment ends up as zero.
547 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
549 * fixinc/genfixes: Remove EGCS reference.
550 * install.texi: Remove EGCS reference.
551 * INSTALL: Regenerate.
553 2000-10-22 Mark Mitchell <mark@codesourcery.com>
555 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
557 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
559 * diagnostic.c: Remove EGCS reference in comment.
561 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
563 * loop.c (strength_reduce): Fix error in last change.
565 2000-10-20 David Edelsohn <edelsohn@gnu.org>
567 * Makefile.in (SHLIB_NM_FLAGS): New.
568 (libgcc.mk): Pass it.
569 * mklibgcc.in (libgcc.map): Use it.
571 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
572 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
574 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
576 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
578 * sparc.c (load_pic_register): Delete unused varaible.
580 * libgcc2.c (__addvsi3): Delete unused variable.
582 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
583 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
584 __negvdi2): Prototype.
586 * ssa.c (apply_delayed_renames): Avoid undefined operation.
588 * toplev.c (display_target_options): Make static to match
589 prototype. Delete empty declaration.
591 2000-10-20 Tom Tromey <tromey@cygnus.com>
593 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
594 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
596 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
598 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
600 (expand_expr_unaligned, case ARRAY_REF): Check that index is
601 a constant before comparing it; use tree_low_cst.
602 * tree.c (save_expr): Set TREE_READONLY.
603 (substitute_expr): Return inside of NON_LVALUE_EXPR.
604 (build, build1): Set TREE_READONLY if all operands are.
605 (build_index_type): If upper bound is a negative number, lower
606 bound is zero and sizetype is unsigned, use upper bound of one and
609 2000-10-20 David Edelsohn <edelsohn@gnu.org>
611 * gcc.c (process_command, main): Use "because" instead of
612 "since" in error messages.
614 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
616 * stor-layout.c (compute_record_mode): Use tree_low_cst.
617 Don't use mode of field for record unless sizes are the same.
618 (layout_type, case ARRAY_TYPE): Remove special bounds handling
619 previously added for Ada; also change to using host_integerp
622 * loop.c (strength_reduce): Show when new register made for
623 giv is known to be a pointer and its aligment if so and known.
624 (loop_dump_aux): Show VERBOSE parameter unused.
626 * gcse.c (set_hash_table_size): Now unsigned.
627 * sdbout.c (template_name_p): Add "const" to avoid warnings.
628 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
629 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
630 (sdbout_end_epilogue): Remove variable NAME.
631 * system.h (getopt): Add default definition.
632 * config/alpha/alpha.c (print_operand): Don't continue processing
634 (summarize_insn): Avoid use of UL in constant.
636 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
638 * fold-const.c (force_fit_type): Unsigned values can overflow
639 if they are sizetype.
640 (int_const_binop): Don't use cache if overflows.
642 2000-10-20 Richard Henderson <rth@cygnus.com>
644 * function.c (locate_and_pad_parm): Zero alignment_pad.
646 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
647 perform substitutions, and apply_change_group to see if it worked.
649 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
651 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
653 * combine.c (struct undo): Change int to unsigned int.
654 (do_SUBST_INT): Args are unsigned int.
655 (make_extraction, force_to_mode): Use proper type when forming mask.
656 (make_field_assignment): Likewise.
658 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
660 * c-common.c (check_format_info_recurse): Extract string constant
661 initializers from non-volatile constant arrays and check them as
663 * c-typeck.c (decl_constant_value): Don't check pedantic or check
664 for DECL_MODE (decl) != BLKmode.
665 (decl_constant_value_for_broken_optimization): New function which
666 includes these checks.
667 (default_conversion, convert_for_assignment, digest_init): Use
668 decl_constant_value_for_broken_optimization instead of
671 2000-10-20 Mark Mitchell <mark@codesourcery.com>
673 * tree.h (DECL_ALIGN_UNIT): New macro.
675 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
677 * config/avr/avr-protos.h (avr_output_bld): New.
678 (out_shift_with_cnt): Add t_len argument.
679 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
680 (output_movqi, output_movhi, output_movsisf): Optimize loading
681 any constant with exactly one bit set to NO_LD_REGS.
682 (out_shift_with_cnt): Optimize output code for size or speed,
683 depending on optimize_size. Handle small shift counts as well
684 (if not hand-optimized in ?sh??i3_out). Shifts can be done
685 with or without a scratch register, with help of __tmp_reg__
686 or __zero_reg__ if necessary. Add T_LEN argument to pass the
687 length of TEMPLATE in words, return total insn length in *LEN.
688 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
689 out_shift_with_cnt to work with the above change.
690 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
691 lshrsi3_out): Likewise. Optimize more known shift count cases.
692 Remove cases already well optimized in out_shift_with_cnt.
693 (avr_output_bld): New function.
694 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
695 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
696 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
697 Add reload_completed to insn condition - only for peepholes.
698 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
699 in a register or memory.
700 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
701 Do not require a scratch register.
702 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
703 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
704 Optimize shifts by known count using a scratch register, but only
705 if one is still available after register allocation.
707 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
709 * t-vax: New file. Don't build modules from libgcc1.c.
711 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
713 * alias.c: (mark_constant_function): Don't check pure functions.
714 Initialize and end alias analysis.
715 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
716 Don't make a special exception for recursion. Handle
717 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
718 unless it's volatile.
720 * local-alloc.c (equivalence): New structure.
722 (contains_replace_regs): Remove array and use
724 (memref_referenced_p): Likewise.
725 (no_equiv): Likewise.
726 (update_equiv_regs): Likewise.
728 (equiv_init_varies_p,
729 equiv_init_movable_p): New functions.
730 (update_equiv_regs): Use them. Use rtx_varies_p
731 instead of function_invariant_p. Process insns
732 from end to beginning. Allow a REG_EQUIV insn
733 within the same loop as a use to be moved, also
734 allow it to be moved out of a loop. Update
735 REG_DEAD notes when substituting into an insn.
737 2000-10-19 Jim Wilson <wilson@cygnus.com>
739 * c-decl.c (start_decl): Check for error_mark_node type before using
741 (finish_decl): Likewise. Don't give an error if decl type is
742 already error_mark_node.
744 * haifa-sched.c (compute_trg_info): Add explanatory comments.
745 New local update_blocks. Use update_blocks to remove duplicates
746 when computing update blocks. Check for bblst_table overflow.
747 (schedule_block): Add explanatory comment. Reduce bblst_size by
749 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
752 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
754 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
756 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
758 * expmed.c: Minor corrections in comments.
759 * invoke.texi: Added desciption for the new option -ftrapv.
761 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
763 * libgcc2.c: Added the missing #endif.
765 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
767 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
769 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
771 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
772 Use smulv_optab for -ftrapv.
773 (expand_mult_highpart): Use unsigned multiply.
774 (expand_divmod): Special-case division by -1.
775 For EXACT_DIV_EXPR, do right shift first, then the multiply.
776 For complex divide, use abs with unsigned result.
777 * expr.c (force_operand): Use unsigned multiply.
778 (expand_expr): Use overflow-trapping optabs for signed types if
780 If flag_trapv, don't generate a recursive call with EXPAND_SUM
781 if the type is signed and the original call wasn't EXPAND_SUM or
783 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
784 (negv_optab, absv_optab): Declare.
785 * flags.h (flag_trapv): Declare.
786 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
787 smulv_optab, sdivv_optab, negv_optab and absv_optab.
788 (gen_insn): Interpret '$P' as requiring an integer mode,
789 including partial integer modes.
790 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
791 (product_cheap_p): Use unsigned expand_mult.
792 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
793 (negv_optab, absv_optab): Define.
794 (expand_binop): Use overflow-trapping optabs for signed types if
796 Handle negv_optab libe neg_optab.
797 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
798 Use overflow-trapping optabs for signed result if flag_trapv.
799 (expand_complex_abs): Use overflow-trapping optabs for signed types if
801 Don't open-code complex absolute-value operation for flag_trapv.
802 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
803 sdivv_optab, negv_optab and absv_optab.
804 * toplev.c (flag_trapv): Define.
805 (lang_independent_options f_options): Include flag_trapv.
806 * tree.h (TYPE_TRAP_SIGNED): Define.
807 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
808 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
810 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
811 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
813 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
814 David V. Henkel-Wallace <gumby@cygnus.com>
816 * config/i386/t-netware: Bring in from the Red Hat tree.
817 * config/i386/netware.h: Likewise.
818 * config/netware.h: Likewise.
819 * config/rs6000/netware.h: Delete.
820 * configure.in: Add i[34567]86-*-netware.
821 * configure: Hand-edit to match configure.in change.
823 2000-10-18 Mark Mitchell <mark@codesourcery.com>
825 * c-common.h (flag_no_builtin): Declare.
826 (flag_no_nonansi_builtin): Likewise.
827 (c_common_nodes_and_builtins): Change prototype.
828 * c-common.c (flag_no_builtin): New variable.
829 (flag_no_nonansi_builtin): Likewise.
830 (c_common_nodes_and_builtins): Remove parameters. Adjust
832 * c-decl.c (flag_no_builtin): Remove.
833 (flag_no_nonansi_builtin): Likewise.
834 (init_decl_processing): Adjust call to
835 c_common_nodes_and_builtins.
837 2000-10-18 Marc Espie <espie@openbsd.org>
839 * tm.texi (LIBGCC_SPEC): Synch with reality.
841 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
843 * c-common.c (check_format_types): Check for writing through a
844 NULL pointer argument.
846 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
848 * tm.texi (Exception Region Output): Document
849 DWARF_CIE_DATA_ALIGNMENT.
850 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
852 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
853 DWARF_CIE_DATA_ALIGNMENT.
855 2000-10-18 Michael Hayes <mhayes@cygnus.com>
857 * basic-block.h (struct loop): Delete fields pre_header_root
858 and pre_header_trace and replace with pre_header_edges
859 and num_pre_header_edges.
860 * flow.c (flow_loop_dump): Dump pre_header_edges.
861 (flow_loops_free): Free pre_header_edges.
862 (flow_loop_pre_header_scan): Calculate pre_header_edges.
864 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
866 * contrib.texi: Update references to steering committee members
867 and Jeff Law's entry.
869 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
871 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
872 (maybe_read_dollar_number, check_format_info_main): Use them for
873 pedantic warning messages.
875 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
877 * c-common.c (check_format_info_main): Minor cleanup: move
878 variables into inner scopes; initialize declarations where
879 appropriate; don't hardcode "scanf" name on warning for zero
882 2000-10-17 Mark Mitchell <mark@codesourcery.com>
884 * c-common.c (back_end_hook): New variable.
885 * c-common.h (back_end_hook): Declare it.
886 * c-lang.c (finish_file): Use it.
888 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
891 2000-10-18 Jan Hubicka <jh@suse.cz>
893 * i386.c (ix86_comparison_operator, put_condition_code,
894 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
895 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
896 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
897 * i386.md (adddi and negdi splitter): Use CCRCmode.
898 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
899 (subsi3_carry): add '*'
900 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
901 (cmp to add peep2): Use CCRCmode; swap operands.
903 2000-10-18 Kazu Hirata <kazu@hxi.com>
905 * h8300.c: Fix a comment typo.
906 (round_frame_size): New.
907 (compute_saved_regs): Likewise.
910 (push_order): Remove.
911 (pop_order): Likewise.
912 (function_prologue): Rearrange code for readability.
913 (function_epilogue): Likewise.
915 * config/h8300/h8300.md: Remove an unnecessary sign_extend
916 expander that is used when not optimizing. Output a tab after
919 * reorg.c: Fix formatting.
921 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
923 * reload1.c (move2add_note_store): Check for simple
924 auto-inc in destination.
926 2000-10-17 Michael Chastain <chastain@redhat.com>
928 * config/i386/i386-aout.h: define INT_ASM_OP.
930 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
932 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
934 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
936 * i370.md: Fix spelling typo.
938 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
940 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
941 Fixes execute/20001017-1.c on powerpc-linux-gnu.
943 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
944 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
947 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
948 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
950 * rs6000/aix.h: ...to here.
951 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
953 2000-10-17 Jakub Jelinek <jakub@redhat.com>
955 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
957 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
958 sure linker can relax even the delay slot mov %g1,%o7, fix output
961 2000-10-17 Kazu Hirata <kazu@hxi.com>
963 * config/h8300/h8300.md: Remove an unnecessary zero_extend
964 expander that is used when not optimizing. Output a tab after
967 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
969 * gcc.c: New options --target-help.
970 (process_command): Added code to parse this new option.
971 * toplev.c (display_target_options): New function to support the
973 * cppinit.c (new_pending_directive) : New option OPT_target__help.
974 (cpp_handle_option): Support this new option.
975 * invoke.texi: Added notes about --target-help option.
977 2000-10-17 Graham Stott <grahams@redhat.com>
979 * config/i386/i386.md (testqi_1): Add missing operand prefix
981 * config/i386/i386-protos.h: Add missing prototype.
983 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
985 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
986 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
987 using -mintel-syntax.
989 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
991 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
992 (format_types): Use it for printf.
993 (maybe_read_dollar_number): Add parameter for the kind of format
994 involved. Warn for multiple use for arguments if this is
995 inappropriate for the kind of format involved.
996 (check_format_info_main): Update calls to maybe_read_dollar_number.
998 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1000 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1001 * fixincl.x: Rebuilt.
1003 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1005 * genrecog.c (write_switch): Return the first condition that needs a
1008 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1010 * c-tree.h (warn_sequence_point): Move declaration to...
1011 * c-common.h (warn_sequence_point): ... here.
1012 * c-decl.c (warn_sequence_point): Move definition to...
1013 * c-common.c (warn_sequence_point): ... here.
1014 (struct reverse_tree): New.
1015 (reverse_list, reverse_max_depth): New static variables.
1016 (build_reverse_tree, common_ancestor, modify_ok
1017 verify_sequence_points): New functions.
1018 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1019 * c-typeck.c (check_modify_expr): Delete.
1020 (build_modify_expr): Don't call it.
1022 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1024 * c-common.h (warn_missing_format_attribute): New variable.
1025 * c-decl.c (warn_missing_format_attribute): New variable.
1026 (c_decode_option): Decode -Wmissing-format-attribute and
1027 -Wno-missing-format-attribute.
1028 * c-common.c (check_function_format): If
1029 -Wmissing-format-attribute, give a warning where a vprintf or
1030 vscanf function is called by a function without its own printf or
1032 * toplev.c (documented_lang_options): Add
1033 -Wmissing-format-attribute.
1034 * invoke.texi: Document -Wmissing-format-attribute.
1036 2000-10-17 Marc Espie <espie@openbsd.org>
1038 * invoke.texi (-shared): Insist on requiring code generation flags
1039 to be used along with -shared, and document the subtle failure that
1040 may occur otherwise.
1042 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1044 * pa.md (return_internal): Move `use' after `return'.
1046 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1048 * machmode.def: Correct comment.
1050 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1052 * print-rtl.c (print_rtx_head): Constify.
1053 * rtl.h (print_rtx_head): Similarly.
1055 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1056 Constify char * return value.
1058 (output_64bit_and, output_64bit_ior): Constify char * return value.
1059 (pa_can_combine_p): Make static.
1060 (function_arg): Decorate unused `named' argument. Fix comment typo.
1061 (function_arg_partial_nregs): Decorate unused `named' argument.
1063 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1065 * c-common.c (format_check_results): New structure.
1066 (finish_dollar_format_checking): Adjust to take a
1067 format_check_results * parameter.
1068 (check_format_info, check_format_info_recurse,
1069 check_format_info_main): Split check_format_info into three
1070 functions, the main checking going in check_format_info_main.
1071 Recurse when any reduction of the format string argument towards a
1072 string literal is done; go down both branches of a conditional
1073 expression. Don't warn for extra format arguments or empty format
1074 strings if they only occur in some branches of a conditional
1077 2000-10-16 Kazu Hirata <kazu@hxi.com>
1079 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1081 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1083 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1085 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1087 * i386.md (*movsi_or): Switch operand order for intel syntax.
1089 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1093 * gcc.texi (Contributing): Update.
1095 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1097 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1098 appropriate assembler dialect.
1100 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1102 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1104 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1106 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1107 constants 1 and 2 to NO_LD_REGS.
1109 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1111 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1113 * objc/Make-lang.in (objc-parse.c): Likewise.
1115 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1117 * arm.c: Include obstack.h
1118 (minipool_obstack, minipool_startobj): Define.
1119 (arm_add_gc_roots): Initialize them.
1120 (create_fix_barrier): Use our new obstack.
1121 (push_minipool_barrier, push_minipool_fix): Likewise.
1122 (arm_reorg): Release obstack memory.
1124 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1126 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1127 (prologue, exception_receiver, builtin_setjmp_receiver): New
1129 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1130 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1131 (load_pic_register): New prototype.
1132 * config/sparc/sparc.c (pic_setup_code): Remove.
1133 (finalize_pic): Rename to...
1134 (load_pic_register): ...this function.
1135 Don't look for nonlocal_goto_receivers and emit pic setup code
1136 directly. Don't check current_function_uses_pic_offset_table.
1138 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1140 * tree.h (struct obstack): Declare.
1142 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1145 * Makefile.in (ggc-callbacks.o): Remove target.
1146 (flow.o): Depend on GGC_H.
1147 * alias.c (init_alias_analysis):
1148 Remove ggc_p conditionals.
1149 (end_alias_analysis): Likewise.
1150 * basic-block.h (init_flow): New function.
1151 (allocate_reg_life_data): Declare.
1152 * bb-reorder.c (function_obstack): Replace with ...
1153 (flow_obstack): ... new variable.
1154 (fixup_reorder_chain): Use it.
1155 * c-decl.c (ggc_p): Remove.
1156 (caller-save.c): Don't call oballoc/obfree.
1158 undobuf): Remove storage.
1159 (try_combine): Don't call oballoc.
1160 (undo_all): Don't call obfree.
1161 * cse.c (insert): Use xmalloc, not
1163 (cse_main): Adjust accordingly.
1164 * dwarf2out.c (save_rtx): Remove
1166 (dwarf2out_init): Remove ggc_p conditionals.
1167 * emit-rtl.c (rtl_obstack): Remove.
1168 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1169 (make_insn_raw): Likewise.
1170 (emit_insn_before): Likewise.
1171 (emit_insn_after): Likewise.
1172 (emit_insn): Likewise.
1173 (gen_sequence): Likewise.
1174 (copy_insn_1): Remove handling of `b' RTL components.
1175 (init_emit_once): Remove ggc_p conditionals.
1176 * except.c (create_rethrow_ref): Don't fool with obstacks.
1177 (add_partial_entry): Likewise.
1178 (call_get_eh_context): Likewise.
1179 (begin_protect_partials): Likewise.
1180 (protect_with_terminate): Likewise.
1182 (plus_constant_wide): Likewise.
1183 * expr.c (init_expr_once):
1185 (emit_block_move): Likewise.
1186 (clear_storage): Likewise.
1187 (expand_expr): Likewise.
1188 * flow.c (function_obstack): Remove.
1189 (flow_obstack): New variable.
1190 (flow_firstobj): Likewise.
1191 (create_base_block): Use the flow_obstack.
1192 (split_block): Likewise.
1193 (split_edge): Likewise.
1194 (calculate_global_regs_live): Likewise.
1195 (allocate_bb_life_data): Make it static. Likewiwse.
1196 (init_flow): New function.
1197 (size_int_type_wide): Remove ggc_p conditionals.
1199 (push_function_context_to): Don't call save_tree_status.
1200 (pop_function_context_from): Or restore_tree_status.
1201 (assign_stack_local_1): Don't call push_obstacks.
1202 (find_fixup_replacement): Use xmalloc.
1203 (fixup_var_refs_insns): Free the storage.
1204 (insns_for_mem_walk): Don't mess with obstacks.
1205 (instantiate_decls): Likewise.
1206 (trampoline_address): Likewise.
1207 (expand_function_end): Likewise.
1208 * function.h (sturct function):
1209 Remove obstack-related variables.
1210 (save_tree_status): Don't declare.
1211 (restore_tree_status): Likewise.
1212 * gcse.c (compute_can_copy):
1213 Don't call oballoc/obfree.
1214 * genattrtab.c (operate_exp): Remove
1216 (simplify_cond): Likewise.
1217 (simplify_test_exp): Don't mess with obstacks.
1218 (optimize_attrs): Likewise.
1219 * gengenrtl.c (gendef): Don't include
1221 * ggc-callbacks.c (ggc_p): Remove.
1222 * ggc-none.c (ggc_p): Remove.
1223 * ggc.h (ggc_p): Don't declare.
1224 * integrate.c (save_for_inline): Don't mess with obstacks.
1225 (integrate_decl_tree): Likewise.
1226 (output_inline_function): Likewise.
1228 (init_EXPR_INSN_LIST_cache): Likewise.
1229 * loop.c (temp_obstack):
1231 (rtl_obstack): Likewise.
1232 (init_loop): Don't mess with obstacks.
1233 (reg_address_cost): Free BIVs and GIVs.
1234 (check_insns_for_bivs): Use xmalloc, not oballoc.
1235 (find_mem_givs): Likewise.
1236 (record_biv): Likewise.
1237 (general_induction_var): Likewise.
1238 (product_cheap_p): Likewse.
1239 * optabs.c (init_one_libfunc): Remove
1241 * print-tree.c (debug_tree): Don't use
1243 (print_node): Likewise.
1244 * profile.c (output_func_start_profiler):
1245 Remove call to temporary_allocation.
1247 (eliminate_regs_in_insn): Don't mess with obstacks.
1249 (mark_target_live_regs): Use xmalloc.
1250 (free_resource_info): Free the memory.
1251 * rtl.c (rtl_obstack):
1253 (rtvec_alloc): Don't mess with obstacks.
1254 (rtx_alloc): Likewise.
1256 (copy_rtx): Don't handle `b' cases.
1257 (read_rtx): Use a local rtl_obstack.
1258 * rtl.h (oballoc): Remove.
1260 (pop_obstacks): Likewise.
1261 (push_obstacks): Likewise.
1262 (allocate_bb_life_data): Likewise.
1263 (allocate_reg_life_data): Likewise.
1264 (rtx_free): Likewise.
1265 * sdbout.c (sdbout_queue_anonymous_type):
1266 Use tree_cons, not saveable_tree_cons.
1268 (cselib_init): Don't mess with obstacks.
1270 (mark_block_nesting): Mark the label_chain.
1271 (epxand_label): Use ggc_alloc, not oballoc.
1272 (clear_last_expr): Don't mess with obstacks.
1273 (expand_decl_cleanup): Likewise.
1274 (expand_dcc_cleanup): Likewise.
1275 (expand_dhc_cleanup): Likewise.
1276 (expand_anon_union_decl): Likewise.
1277 (add_case_node): Use xmalloc, not oballoc.
1278 (free_case_nodes): New function.
1279 (expand_end_case): Call it.
1280 * stor-layout.c (layout_type): Don't
1282 (layout_type): Likewise.
1283 * toplev.c (wrapup_global_declarations):
1285 (compile_file): Remove ggc_p conditionals.
1286 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1287 (decode_f_option): Remove ggc_p conditionals.
1289 (function_maybepermanent_obstack): Remove.
1290 (maybepermanent_obstack): Likewise.
1291 (function_obstack): Likewise.
1292 (tmeporary_obstack): Likewise.
1293 (momentary_obstack): Likewise.
1294 (temp_decl_obstack): Likewise.
1295 (saveable_obstack): Likewise.
1296 (rtl_obstack): Likewise.
1297 (current_obstack): Likewise.
1298 (expression_obstack): Likewise.
1299 (struct obstack_stack): Likewise.
1300 (obstack_stack): Likewise.
1301 (obstack_stack_obstack): Likewise.
1302 (maybepermanent_firstobj): Likewise.
1303 (temporary_firstobj): Likewise.
1304 (momentary_firstobj): Likewise.
1305 (temp_decl_firstobj): Likewise.
1306 (momentary_function_firstobj): Likewise.
1307 (all_types_permanent): Likewise.
1308 (struct momentary_level): Likewise.
1309 (momentary_stack): Likewise.
1310 (init_obstacks): Remove initialization of removed obstacks.
1311 (save_tree_status): Remove.
1312 (restore_tree_status): Likewise.
1313 (temporary_allocation): Liekwise.
1314 (end_temporary_allocation): Liekwise.
1315 (resume_temporary_allocation): Likewise.
1316 (saveable_allocation): Likewise.
1317 (push_obstacks): Likewise.
1318 (push_obstacks_nochange): Likewise.
1319 (pop_obstacks): Likewise.
1320 (allocation_temporary_p): Likewise.
1321 (permanent_allocation): Likewise.
1322 (preserve_data): Likewise.
1323 (preserve_initializer): Likewise.
1324 (rtl_in_current_obstack): Likewise.
1325 (rtl_in_saveable_obstack): Likewise.
1326 (oballoc): Likewise.
1328 (savealloc): Likewise.
1329 (expralloc): Likewise.
1330 (print_obstack_name): Likewise.
1331 (debug_obstack): Likewise.
1332 (object_permanent_p): Likewise.
1333 (push_momentary): Likewise.
1334 (perserve_momentary): Likewise.
1335 (clear_momentary): Likewise.
1336 (pop_momentary): Likewise.
1337 (pop_momentary_nofree): Likewise.
1338 (suspend_momentary): Likewise.
1339 (resume_momentary): Likewise.
1340 (make_node): Don't set TREE_PERMANENT.
1341 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1342 Don't set TREE_PERMANENT.
1343 (get_identifier): Remove ggc_p conditionals.
1344 (build_string): Likewise.
1345 (make_tree_vec): Likewise.
1346 (build_decl_list): Remove.
1347 (build_expr_list): Likewise.
1348 (tree_cons): Remove ggc_p conditionals.
1349 (decl_tree_cons): Remove.
1350 (expr_tree_cons): Likewise.
1351 (perm_tree_cons): Likewise.
1352 (temp_tree_cons): Likewise.
1353 (saveable_tree_cons): Likewise.
1354 (build1): Remove ggc_p conditionals.
1355 (build_parse_node): Likewise.
1356 (build_type_attribute_variant): Don't mess with obstacks.
1357 (build_type_copy): Likewise.
1358 (type_hash_canon): Likewise.
1359 (build_pointer_type): Likewise.
1360 (build_reference_type): Likewise.
1361 (build_index_type): Likewise.
1362 (build_range_type): Likewise.
1363 (dump_tree_statistics): Don't print obstack information.
1365 (struct tree_common): Remove permanent_flag.
1366 (TREE_PERMANENT): Remove.
1367 (TREE_SET_PERMANENT): Likewise.
1368 (TYPE_OBSTACK): Likewise.
1369 (struct tree_type): Remove obstack.
1371 (savealloc): Likewise.
1372 (build_decl_list): Likewise.
1373 (build_expr_list): Likewise.
1374 (perm_tree_cons): Likewise.
1375 (temp_tree_cons): Likewise.
1376 (saveable_tree_cons): Likewise.
1377 (decl_tree_cons): Likewise.
1378 (expr_tree_cons): Likewise.
1379 (suspend_momentary): Likewise.
1380 (allocation_temporary_p): Likewise.
1381 (resume_momentary): Likewise.
1382 (push_obstacks_nochange): Likewise.
1383 (permanent_allocation): Likewise.
1384 (push_momentary): Likewise.
1385 (clear_momentary): Likewise.
1386 (pop_momentary): Likewise.
1387 (end_temporary_allocation): Likewise.
1388 (pop_obstacks): Likewise.
1389 (push_obstacks): Likewise.
1390 (pop_momentary_nofree): LIkewise.
1391 (preserve_momentary): Likewise.
1392 (saveable_allocation): Likewise.
1393 (temporary_allocation): Likewise.
1394 (resume_temporary_allocation): Likewise.
1395 (perserve_initializer): Likewise.
1396 (debug_obstack): Likewise.
1397 (rtl_in_current_obstack): Likewise.
1398 (rtl_in_saveable_obstack): Likewise.
1400 * varasm.c (current_obstack): Remove.
1401 (saveable_obstack): Remove.
1402 (rtl_obstack): Remove.
1403 (immed_double_const): Don't mess with obstacks.
1404 (immed_real_cons): Likewise.
1405 (output_constant_def): Likewise.
1406 (init_varasm_status): Use xcalloc.
1407 (mark_pool_constant): Mark the pool constant itself.
1408 (free_varasm_status): Free memory.
1409 (decode_rtx_const): Call bzero directly, rather than expanding it
1411 (record_rtx_const): Don't mess with obstacks.
1412 (force_const_mem): Likewise.
1413 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1415 (aof_pic_entry): Likewise.
1416 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1417 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1418 * config/pa/pa.c (saveable_obstack): Remove.
1419 (rtl_obstack): Likewise.
1420 (current_obstack): Likewise.
1421 (output_call): Don't mess with obstacks.
1422 (hppa_encode_label): Remove ggc_p conditionals.
1423 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1424 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1425 (rs6000_encode_section_info): Likewise.
1426 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1428 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1430 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1431 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1432 (addsi3_carry): Canonicalize.
1433 (addqi_5): Remove '*'.
1434 (sbb pattern): Canonicalize.
1436 * i386.md (cmp to inc/add peep2): New.
1438 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1440 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1443 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1445 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1446 * README.TRAD, TESTS.FLUNK: Remove.
1448 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1450 * c-common.c (decl_attributes): Don't allow strftime formats with
1451 first_arg_num nonzero.
1452 (check_format_info): Set wanted_type and wanted_type_name to zero
1453 before they are possibly assigned and used.
1455 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1457 * c-common.c (scanf_flag_specs): Add flags ' and I.
1458 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1459 or the ^ and # flags together.
1460 (scan_char_table): Handle the ' and I flags.
1461 (format_types): Add ' and I flags for scanf.
1463 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1465 * c-common.c (print_char_table): Use the unpromoted type for
1466 lengths "h" and "hh" with conversions dioxXu.
1467 (check_format_types): Apply the default argument promotions where
1468 the wanted type is not a pointer target.
1470 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1471 Joseph S. Myers <jsm28@cam.ac.uk>
1473 * c-typeck.c (check_modify_expr): New function.
1474 (build_modify_expr): Call it if warn_sequence_point.
1475 * c-decl.c (warn_sequence_point): New variable.
1476 (c_decode_option): Handle -Wsequence-point and
1477 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1478 * c-tree.h (warn_sequence_point): Declare.
1479 * invoke.texi (-Wsequence-point): Document.
1480 * toplev.c (documented_lang_options): Add -Wsequence-point and
1481 -Wno-sequence-point.
1482 Original work by Michael Meeks, 16 Jun 1998.
1484 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1486 * tree.c (get_narrower): Don't look at precision of field if
1489 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
1491 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
1492 declaration for data with "progmem" attribute.
1494 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
1496 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
1497 Correct insn length if shift count is a memory operand.
1498 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
1499 (*iorhi3_clobber): Change lo8 to hi8.
1500 (zero_extendhisi2): Change %B0 to %A1.
1501 (ashlhi3, ashrhi3): Correct insn length.
1502 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
1503 from "clobber" to "set_n" in some alternatives.
1505 2000-10-10 Jakub Jelinek <jakub@redhat.com>
1507 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
1508 remove its insn_chain structure as well.
1510 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1512 * dbxout.c (dbxout_source_line): Remove extra tab.
1514 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
1516 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
1518 2000-10-09 Richard Henderson <rth@cygnus.com>
1520 * Makefile.in (LANG_LIB2FUNCS): Remove.
1521 (LIB2FUNCS): Remove _pure.
1522 (LIB2ADD): Remove LANG_LIB2FUNCS.
1523 (stage_a): Don't set LANG_LIB2FUNCS.
1524 * libgcc2.c (__terminate): Mark noreturn.
1525 (__pure_virtual): Remove.
1526 * mklibgcc.in: Remove LIB2ADD .txt processing.
1528 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1530 * arm.md (push_multi): Revert unintended change.
1532 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1534 * arm.c: Miscellaneous white space and comment clean-ups. No
1538 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1540 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
1541 STRING_CST by calling combine_strings.
1543 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1545 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
1546 (thumb_output_move_mem_multiple): Support new insn format.
1547 * arm.md (movmem12b): Use SSA compatible format.
1548 (movmem8b): Likewise.
1550 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1552 * arm.md (predicable): New attribute, default to "no".
1553 (all patterns): Mark as predicable if appropriate.
1554 (conditional execution splits): Split using predication format.
1555 (define_cond_exec): Define.
1556 * arm.c (arm_print_operand): handle insn predicate.
1558 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1560 * README.NS32K: Remove file.
1562 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1564 * README-bugs: Remove file.
1566 2000-10-08 Philipp Thomas <pthomas@suse.de>
1567 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
1569 * configure: Rebuilt.
1571 2000-10-08 Philipp Thomas <pthomas@suse.de>
1572 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
1573 disable catalog building if no suitable program was found.
1574 Move warning message from here
1575 (AM_GNU_GETTEXT): To here.
1576 * configure: Rebuilt.
1578 2000-10-08 Philipp Thomas <pthomas@suse.de>
1579 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
1580 different cache variables.
1581 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
1582 uses different cache variables.
1583 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
1584 * configure: Regenerated.
1586 2000-10-08 Richard Henderson <rth@cygnus.com>
1588 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
1589 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
1590 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
1593 * config/t-linux (SHLIB_EXT): New.
1594 (SHLIB_LINK): Use the entire build command, with substitutions.
1595 (SHLIB_LIBS): Remove.
1596 * config/alpha/t-osf4: Likewise.
1597 * config/mips/t-iris6: Likewise.
1598 * config/sparc/t-sol2: Likewise, but move shlib stuff...
1599 * config/sparc/t-slibgcc-sld: ...here.
1600 * config/sparc/t-slibgcc: New file.
1602 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1604 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
1605 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
1607 (intmax_type_node, uintmax_type_node): Define.
1608 * c-common.c (decl_attributes): If pedantic, warn if `mode'
1609 attributes create a type wider than intmax_t.
1610 (T_IM, T_UIM): Define properly.
1611 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
1613 (init_decl_processing): Initialize intmax_type_node and
1615 * c-lex.c (lex_number): When pedantic and warning for integer
1616 constants that are too large, in C99 mode warn for those that have
1617 a type wider than long long.
1619 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1621 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
1622 FMT_FLAG_FANCY_PERCENT_OK): Define.
1623 (format_char_info): Add flag "4" to comment.
1624 (format_flag_spec, format_flag_pair): New structures.
1625 (format_kind_info): Add additional fields to control format
1627 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
1628 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
1630 (time_char_table): Use "4" flag to handle %Ey.
1631 (format_types): Add entries for new fields.
1632 (get_flag_spec): New function.
1633 (check_format_info): Increase size of flag_chars[] to 256.
1634 Control format checking using the new fields of a format_kind_info
1635 and the new tables; remove all conditionals on printf_format_type,
1636 scanf_format_type or strftime_format_type. Handle all details of
1637 bad combinations of flags (including width, precision and strftime
1638 modifiers) through data rather than ad hoc code. Handle all
1639 details of standard versions in which flags appeared through
1640 data. Use the "4" flag.
1642 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
1644 * config/h8300/h8300.md: Remove the memory alternative and correct
1645 the insn lengths in the templates for sign extention and zero
1648 2000-10-07 Richard Henderson <rth@cygnus.com>
1650 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
1651 * flow.c (make_edges): Revert last change.
1653 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
1655 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
1657 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
1659 * config/alpha/elf.h: Standardize the formatting.
1661 2000-10-06 David O'Brien <obrien@FreeBSD.org>
1663 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
1666 2000-10-06 Richard Henderson <rth@cygnus.com>
1668 * function.c (diddle_return_value): Examine
1669 current_function_return_rtx instead of the DECL_RESULT.
1670 (expand_function_end): Handle reloading DECL_RESULT from memory
1671 into a hard register. Query promote_mode for sign of mismatched
1674 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1676 * haifa-sched.c (schedule_insns): Fix typo in freeing
1677 forward_dependency_cache.
1679 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1681 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
1682 `TARGET_SH2' as a condition.
1684 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1686 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
1687 forward_dependency_cache): New variables.
1688 (add_dependence, remove_dependence): Use anti_dependency_cache and
1689 output_dependency_cache.
1690 (compute_block_forward_dependences): Use forward_dependency_cache.
1691 (schedule_insns): Allocate and free memory for anti/output/forward
1692 dependencies caches.
1694 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1696 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
1697 `! TARGET_SH1'. Reindent.
1699 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1701 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
1702 Move functions from here ...
1704 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
1706 (c_expand_builtin): New function.
1707 (init_function_format_info): Don't set `check_function_format_ptr'.
1708 (c_common_nodes_and_builtins): Set built_in_class type for
1709 printf/__builtin_printf to BUILT_IN_FRONTEND.
1710 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
1712 * c-common.h (build_function_call): Declare.
1714 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
1715 to `lang_expand_expr' rather than `expand_builtin'.
1717 * tree.c (check_function_format_ptr): Delete.
1719 * tree.h (check_function_format_ptr): Likewise.
1721 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
1723 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
1724 DW_OP_bregx when cfa->reg > 31.
1726 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
1729 2000-10-05 Richard Henderson <rth@cygnus.com>
1731 * c-decl.c (warn_missing_noreturn): Remove.
1732 (c_expand_body): Don't set or check can_reach_end.
1733 * c-tree.h (warn_missing_noreturn): Move ...
1734 * flags.h: ... here.
1735 (can_reach_end): Remove.
1736 * flow.c (check_function_return_warnings): New.
1737 (make_edges): No edge to exit for noreturn sibcalls.
1738 * function.c (expand_function_end): Save the return value
1739 clobber instruction.
1740 (mark_function_status): Mark it.
1741 * function.h (struct function): Add x_clobber_return_insn.
1742 * jump.c (can_reach_end): Remove.
1743 (calculate_can_reach_end): Remove.
1744 (jump_optimize_1): Don't call it.
1745 * output.h (check_function_return_warnings): Declare.
1746 * toplev.c (warn_missing_noreturn): Move from c-decl.c
1747 (rest_of_compilation): Call check_function_return_warnings.
1749 2000-10-05 Richard Henderson <rth@cygnus.com>
1751 * Makefile.in (NM_FOR_TARGET): New.
1752 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
1753 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
1754 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
1755 shared library build on that and EXTRA_MULTILIB_PARTS.
1756 * mkmap-flat.awk: New file.
1757 * mkmap-symver.awk: New file.
1758 * libgcc-std.ver: New file.
1759 * config/libgcc-glibc.ver: New file.
1760 * config/ia64/libgcc-ia64.ver: New file.
1761 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1762 (SHLIB_LINK): Add --version-script.
1763 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
1764 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1765 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1766 (SHLIB_LINK): Add -M.
1768 2000-10-05 Richard Henderson <rth@cygnus.com>
1770 * Makefile.in (LIB2FUNCS): Add _clz.
1771 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
1772 (__clz_tab): Put in its own unit, non-static.
1773 * libgcc2.h: Always include longlong.h.
1775 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
1776 a zero instead of -1.
1777 (count_trailing_zeros): Likewise.
1779 2000-10-05 Richard Henderson <rth@cygnus.com>
1781 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
1782 when second op1 is const0_rtx. Validate op0 as a register.
1783 * config/alpha/alpha.md (setcc_internal): Don't allow constants
1784 in the first argument of the compare.
1785 (setcc_swapped_internal): Likewise.
1786 (setne_internal): Likewise.
1788 2000-10-05 Geoff Keating <geoffk@cygnus.com>
1790 * tree.c (tree_size): New function split out of copy_node.
1791 (make_node): Remove obstack handling. Use tree_size.
1792 (copy_node): Use tree_size.
1793 * tree.h: Prototype tree_size.
1795 2000-10-05 Richard Henderson <rth@cygnus.com>
1797 * diagnostic.c (output_format): Add missing break.
1799 2000-10-05 Jim Wilson <wilson@cygnus.com>
1801 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
1802 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
1803 sequence insn to INSN, and delete last sequence insn.
1805 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
1807 * gcc.c (main): Include generated configargs.h header
1808 and use arguments in '-v' output.
1810 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1812 * gcc.c: Move data on prefixes forward in file and reorganize.
1813 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
1814 Always define, but make null if no value.
1815 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
1816 and "md_startfile_prefix_1".
1817 (main): Check whether md_exec_prefix and the others are the
1818 null string rather than whether the macro is defined.
1820 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1822 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
1823 from PSImode to SImode.
1825 2000-10-05 Jakub Jelinek <jakub@redhat.com>
1827 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
1828 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
1829 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
1832 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1834 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
1835 negation in proper type.a
1837 2000-10-04 Richard Henderson <rth@cygnus.com>
1839 * configure.in (enable-shared): New.
1840 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
1841 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
1842 * mklibgcc.in: Use them to link shared a libgcc.
1843 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
1844 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
1845 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
1846 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
1848 * configure.in (alpha-osf*): Use t-osf and x-osf.
1849 * config/alpha/t-osf: New file.
1850 * config/alpha/t-osf4: New file.
1851 * config/alpha/x-osf: New file.
1852 * config/alpha/x-alpha: Remove file.
1854 2000-10-04 Will Cohen <wcohen@redhat.com>
1856 * c-typeck.c (process_init_element): Added warning for zero-length
1859 * extend.texi (Zero Length): State that static initializers for
1860 zero-length arrays are not allowed.
1862 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
1864 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
1867 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1869 * config/float-c4x.h: New.
1870 * configure.in (c4x-*): Set float_format to c4x.
1871 * configure: Regenerate.
1873 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1875 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
1876 compilation for solaris versions 2.7 and greater.
1878 2000-10-02 Marc Espie <espie@openbsd.org>
1880 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
1881 instead of redefining from scratch.
1883 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
1885 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
1887 2000-10-01 Mark Mitchell <mark@codesourcery.com>
1889 * config/ns32k/genix.h: Remove.
1890 * config/ns32k/x-genix: Likewise.
1891 * config/ns32k/xm-genix.h: Likewise.
1892 * config/fx80: Remove all filee in directory.
1893 * config/pyr: Likewise.
1894 * config/tahoe: Likewise.
1895 * config/gmicro: Likewise.
1896 * config/spur: Likewise.
1897 * configure.in: Remove configury bits for above targets.
1898 * configure: Regenerated.
1900 * configure.in: Don't configure chill by default.
1901 * configure: Regenerated.
1903 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
1904 (lang_mark_false_label_stack): Remove.
1905 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
1906 <top level> string in GC area.
1907 (mark_splay_tree_node): New function.
1908 (mark_splay_tree): Likewise.
1909 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
1911 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
1912 * ggc-common.c (lang_mark_false_label_stack): Change type.
1913 * ggc.h (ggc_alloc_string): Add comment.
1914 (ggc_strdup): New function.
1916 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
1918 * config/avr/avr.h (BRANCH_COST): Define as 0.
1920 * config/pdp11/pdp11.c: #include "tree.h" added.
1922 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
1924 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
1925 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
1926 with known shift count.
1927 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
1928 New alternative for shift count 2 with no scratch register.
1929 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
1930 "set_n" for shift counts 1 and 2.
1932 2000-09-30 Geoff Keating <geoffk@cygnus.com>
1934 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
1935 the mask value from the individual SET operations.
1936 (return_internal_si): Move the USE after the RETURN.
1937 (return_internal_di): Likewise.
1938 (return_and_restore_fpregs_si): Likewise.
1939 (return_and_restore_fpregs_di): Likewise.
1940 (return_eh_si): Likewise.
1941 (return_eh_di): Likewise.
1942 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
1944 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
1945 Don't generate a PARALLEL around a single operation movsi_to_cr.
1946 Generate the RETURN first in any PARALLELs.
1948 * rtlanal.c (single_set_1): Use fatal_insn to display the
1949 invalid insn. Check for more cases when a USE or CLOBBER occurs
1951 * Makefile.in: Update dependencies for rtlanal.o.
1953 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
1955 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
1957 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
1959 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
1960 Consistently use @email for formatting email addresses.
1962 2000-09-29 Richard Henderson <rth@cygnus.com>
1964 * cse.c (notreg_cost): New argument outer.
1965 (COST): Pass in SET to notreg_cost
1967 (fold_rtx): Use COST_IN. Prefer constants when costs
1970 2000-09-29 David Edelsohn <edelsohn@gnu.org>
1972 * fixinc/inclhack.def (broken_cabs): Generalize regex.
1973 * fixinc/fixincl.x: Regenerate.
1975 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1977 * loop.c (check_final_value): A GIV is not replaceable if used
1980 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
1982 * version.c: Bump to gcc-2.97.
1984 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
1986 * final.c (final_scan_insn): Remove extra extract_insn call;
1987 Use caching for constrain_operands.
1988 (cleanup_subreg_operands): Use caching for extract_insn.
1989 * recog.c (constrain_operands_cached): New.
1990 * recog.h (constrain_operands_cached): Declare.
1991 * i386.c (ix86_attr_length_immediate_default,
1992 ix86_attr_length_address_default, ix86_agi_dependant): Cache
1995 * recog.c (asm_noperands): Tweak.
1996 (extract_insn): Do not call asm_noperads for non-asm instructions.
1998 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2000 * recog.c (recog_memoized): Rename to recog_memoized_1.
2001 * recog.h (recog_memoized): Rename to recog_memoized_1.
2002 (recog_memoized): New macro.
2003 * rtl.h (single_set): Rename to single_set_1
2004 (single_set): New macro.
2005 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2008 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2009 Do not use match_dup of input operands at outputs.
2010 Use register_operand for memory expression.
2011 (rep_movsi): Put use last, canonicalize.
2012 Use register_operand for memory expression.
2013 (rep_movqi): Put use last.
2014 Use register_operand for memory expression.
2015 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2016 of input operands at outputs. Use register_operand for memory
2018 (rep_stossi): Put use last; canonicalize; fix match_dup in
2019 the address expression
2020 (rep_stosqi): Likewise.
2021 (memcmp expander): Update calls.
2022 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2025 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2027 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2029 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2031 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2032 Contains the old contents of config/i386/freebsd.h
2033 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2034 Contains the old contents of config/i386/freebsd-elf.h
2035 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2036 config/i386/freebsd.h.
2037 * configure.in: Adjust for above changes.
2038 * po/POTFILES.in: Likewise.
2039 * po/en_GB.po: Likewise.
2040 * po/gcc.pot: Likewise.
2041 * configure: Rebuilt.
2043 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2045 * doloop.c (doloop_modify): Prevent delete_insn() from
2046 deleting too much. Prefer loop->top over loop->start as
2047 target for the new JUMP insn.
2048 (doloop_valid_p): Ignore loop with exit_count != 0.
2050 2000-09-28 Philipp Thomas <pthomas@suse.de>
2052 * invoke.texi (i386 Options): Add athlon to table of possible
2055 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2057 * diagnostic.h (output_clear_message_text): New function.
2058 (output_message_text): New macro.
2060 * diagnostic.c (clear_text_info): Rename to
2061 output_clear_message_text.
2062 (output_clear): Adjust.
2063 (output_finish): Rename to output_finalize_message. Tweek.
2064 (output_to_stream): Adjust.
2066 2000-09-28 Neil Booth <neilb@earthling.net>
2068 * cpperror.c (_cpp_begin_message): Do the test for suppression
2069 of warnings and pedantic warnings before the "is a warning an
2071 * cppinit.c (cpp_handle_option): Remove surplus \n.
2072 * cpplex.c (ON_REST_ARG): Delete.
2073 (skip_block_comment): Initialise prevc.
2074 (parse_args): Improve error messages.
2075 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2077 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2078 * cppmain.c (main): Set callbacks for #ident and #pragma
2079 only if no_output option is false.
2080 (do_pragma_implementation): Only call the #pragma handler
2081 if it is set in the cpp_reader structure.
2083 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2085 * integrate.c (copy_insn_list): if an ignored return value
2086 is being clobbered, skip cloning that into the inline copy.
2088 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2090 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2091 use @uref for formatting URLs.
2093 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2095 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2098 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2100 * gcc.c (cpp_options): Add spec for -ftabstop=.
2101 (invoke_as): New spec that handles invoking as.
2102 Update specs to handle -save-temps and -traditional.
2103 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2105 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2106 invoke_as, and handle -save-temps and -traditional (if
2109 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2111 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2113 (function_arg_slotno): Accept TImode/CTImode.
2114 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2117 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2119 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2122 2000-09-25 Jim Wilson <wilson@cygnus.com>
2124 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2125 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2126 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2127 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2129 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2131 * cpplex.c (parse_args): Don't set VOID_REST flag.
2132 (CONTEXT_VARARGS): New flag.
2133 (maybe_paste_with_next): Set context earlier in loop. Use
2134 it. Do varargs test with CONTEXT_VARARGS flag.
2135 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2136 pushing an argument context for a varargs argument.
2137 * cpplib.h (VOID_REST): Delete.
2138 * gcc.dg/cpp/vararg1.c: Add test case.
2140 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2142 * flags.h: Declare warning flag warn_system_headers.
2143 * toplev.c: Define it.
2144 (W_options): Add option -Wsystem-headers.
2145 * diagnostic.c (count_error): Test warn_system_headers.
2146 * invoke.texi: Add description for -Wsystem-headers.
2147 * cpplib.h (cpp_options): New member warn_system_headers.
2148 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2149 CPP_IN_SYSTEM_HEADER.
2150 * cpplib.c (do_import, do_pragma_once): Likewise.
2151 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2152 and CPP_IN_SYSTEM_HEADER.
2153 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2154 (print_help): Describe -Wsystem_headers.
2155 * cpplex.c (lex_line): Reorganize condition so that warnings
2156 about C++ comments in system headers can be enabled. Remove
2157 label do_line_comment.
2159 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2161 * cpplex.c (save_comment): Only store the initial '/'
2163 (lex_token): Combine handling of the two comment types.
2164 Pass everything but the initial '/' to save_comment.
2166 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2168 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2169 _cpp_can_paste): New library-internal prototypes.
2170 * cpplex.c (dump_param_spelling, output_line_command,
2171 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2172 cpp_printf, cpp_output_list): Move to cppoutput.c.
2173 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2174 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2176 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2177 dump_param_spelling, output_line_command, cpp_scan_buffer,
2178 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2180 * Makefile.in: Add cppoutput.c.
2181 * po/POTFILES.in: Add cppoutput.c.
2183 2000-09-25 Richard Henderson <rth@cygnus.com>
2185 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2186 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2187 split until after reload.
2188 (rotlsi3, rotldi3): New.
2190 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2192 * diagnostic.c (output_last_position): Define.
2193 (set_real_maximum_length): Tweek.
2194 * diagnostic.h (output_last_position): Declare.
2196 2000-09-25 Kazu Hirata <kazu@hxi.com>
2198 * config/i386/i386.c: Fix formatting.
2200 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2202 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2203 UNITS_PER_WORD is small.
2205 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2207 * c-common.c (format_char_info): Add flags2; update comments.
2208 (print_char_table, scan_char_table, time_char_table): Split some
2209 flags out into flags2.
2210 (check_format_info): Use flags2 for those flags, for identifying
2211 the initial character of a scanf scanset, and for identifying
2212 printf formats where the '0' flag is ignored with precision.
2214 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2216 Changes below marked "here" add TABs on either or both sides,
2217 covering start of line, up to any operand for all noted .*ASM.*_OP
2218 definitions. All callers changed.
2219 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2220 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2221 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2222 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2223 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2224 Fix typos in description for LONG_LONG_TYPE_SIZE and
2225 FINI_SECTION_ASM_OP.
2226 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2227 why these defaults don't have leading spacing.
2228 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2229 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2230 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2231 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2232 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2233 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2234 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2235 * varasm.c (ASM_STABS_OP): Here.
2236 * xcoffout.h (ASM_STABS_OP): Here.
2237 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2238 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2239 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2240 STRING_ASM_OP): Here.
2241 * config/freebsd.h (IDENT_ASM_OP): Here.
2242 * config/linux-aout.h (SET_ASM_OP): Here.
2243 * config/linux.h (SET_ASM_OP): Here.
2244 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2246 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2247 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2248 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2249 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2251 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2252 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2253 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2254 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2255 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2256 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2257 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2258 * config/a29k/udi.h (INT_ASM_OP): Here.
2259 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2260 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2262 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2263 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2264 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2265 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2266 ASM_STABD_OP): Here.
2267 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2268 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2269 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2270 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2271 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2272 SIZE_ASM_OP, STRING_ASM_OP): Here.
2273 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2274 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2275 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2276 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2277 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2278 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2280 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2281 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2282 * config/arm/coff.h (INT_ASM_OP): Here.
2283 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2284 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2285 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2286 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2287 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2288 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2289 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2290 STRING_ASM_OP): Here. Update documentation copy in comments.
2291 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2292 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2293 DATA_SECTION_ASM_OP): Here.
2294 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2296 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2297 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2298 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2299 BSS_SECTION_ASM_OP): Here.
2300 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2301 BSS_SECTION_ASM_OP): Here.
2302 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2304 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2305 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2306 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2307 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2308 BSS_SECTION_ASM_OP): Here.
2309 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2310 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2311 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2312 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2313 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2315 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2316 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2318 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2319 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2320 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2321 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2323 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2324 * config/i386/netbsd.h (INT_ASM_OP): Here.
2325 * config/i386/openbsd.h (INT_ASM_OP): Here.
2326 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2327 IDENT_ASM_OP): Here.
2328 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2329 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2330 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2331 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2332 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2333 SHARED_BSS_SECTION_ASM_OP): Here.
2334 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2335 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2336 DATA_SECTION_ASM_OP): Here.
2337 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2338 CONST_SECTION_ASM_OP): Here.
2339 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2340 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2341 BSS_SECTION_ASM_OP): Here.
2342 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2343 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2344 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2345 BSS_ASM_OP): Here, but use trailing spaces.
2346 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2347 DATA_SECTION_ASM_OP): Here.
2348 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2350 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2351 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2352 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2353 TDESC_SECTION_ASM_OP): Here.
2354 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2355 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2356 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2358 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2359 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2360 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2361 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2362 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2363 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2364 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2365 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2366 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2367 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2368 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2369 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2371 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2372 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2373 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2374 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2375 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2376 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2377 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2378 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2379 GLOBAL_ASM_OP): Here.
2380 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2381 BSS_SECTION_ASM_OP): Here.
2382 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2383 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2384 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2385 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2387 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2388 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2389 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2390 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2391 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2392 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2393 but use trailing spaces.
2394 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2395 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2396 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2398 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2399 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2400 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2401 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2402 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2403 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2404 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2405 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2406 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2407 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2408 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2409 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2411 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2412 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2413 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2414 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2415 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2416 DTORS_SECTION_ASM_OP): Here.
2417 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2418 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2419 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2420 BSS_SECTION_ASM_OP): Here.
2421 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2422 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2423 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2424 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2425 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2426 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2427 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2428 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2430 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2432 * config/mips/osfrose.h (SET_ASM_OP): Here.
2433 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2434 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2435 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2436 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2438 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2439 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2440 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2441 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2442 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2443 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2445 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2447 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2448 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2449 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2451 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2452 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2453 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2454 * config/sparc/linux64.h (COMMON_ASM_OP,
2455 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2456 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2457 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2458 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2459 * config/sparc/pbd.h (ASM_INT_OP): Here.
2460 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2461 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2462 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2463 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2464 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2465 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2466 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2467 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2468 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2469 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2470 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2471 EH_FRAME_SECTION_ASM_OP): Here.
2472 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2473 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2475 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2477 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2478 TCOMMON_ASM_OP): Here.
2479 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2481 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2484 2000-09-25 Richard Henderson <rth@cygnus.com>
2486 * expmed.c (store_bit_field): Adjust last change to not consider
2487 any word-sized field naturally aligned.
2489 2000-09-24 Richard Henderson <rth@cygnus.com>
2491 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2492 TFmode unordered compares properly. Revalidate integer compare
2494 (alpha_emit_setcc): New.
2495 (alpha_emit_conditional_move): Revalidate integer compare operands.
2496 * config/alpha/alpha-protos.h: Update.
2497 * config/alpha/alpha.md (cmpdi): Allow general operands.
2498 (sne): Use alpha_emit_setcc.
2499 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
2500 (sunordered, sordered): New.
2502 2000-09-24 Richard Henderson <rth@cygnus.com>
2504 * config/ia64/ia64-protos.h: Update.
2505 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
2506 (ia64_expand_call): New.
2507 (ia64_expand_prologue): Emit an alloc if we need extra input
2509 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
2510 instruction if true.
2511 (struct reg_flags): Add is_sibcall.
2512 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
2513 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
2514 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
2515 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2516 * config/ia64/ia64.md (call): Use ia64_expand_call.
2517 (call_value): Likewise.
2518 (sibcall, sibcall_value): New.
2519 (call patterns): Remove extra expanders; tidy.
2520 (sibcall_epilogue): New.
2521 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
2523 2000-09-24 Richard Henderson <rth@cygnus.com>
2525 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
2527 * sibcall.c (skip_pic_restore): New.
2528 (identify_call_return_value): Use it.
2530 2000-09-24 Mark Mitchell <mark@codesourcery.com>
2532 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
2533 functions. Generalize to handle both C and C++.
2534 * Makefile.in (c-tree.info): New target.
2535 (info): Add c-tree.info.
2537 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2539 * expr.c (store_field): If BITSIZE is negative, use size of type.
2540 (expand_expr, case COMPONENT_EXPR): Likewise.
2542 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
2544 * cpplex.c: Update TODO comment.
2545 * cpplib.c (do_error, do_warning): Merge common code of
2546 do_error and do_warning into do_diagnostic. Use it.
2547 (do_diagnostic): New function.
2548 * cpplib.h: Fix comment typo.
2550 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2552 * c-common.c (check_format_info): Warn for a wide character string
2553 used as a non-wide format argument.
2555 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2557 * builtins.def (BUILT_IN_LLABS): Add.
2558 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
2559 * c-common.c (c_common_nodes_builtins): Create builtin functions
2560 __builtin_llabs, and plain llabs unless no_nonansi_builtins
2561 outside of C99 mode.
2562 (expand_tree_builtin): Handle BUILT_IN_LLABS.
2564 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
2566 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
2567 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
2568 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
2569 _cpp_free_toklist): No need to worry about extra dummy token
2570 at the start of token lists any more.
2571 (trigraph_ok): Only warn outside comments.
2572 (skip_block_comment): Set and clear lexing_comment.
2573 (skip_line_comment): Take a cpp_reader not cpp_buffer.
2574 Set and clear lexing_comment.
2575 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
2576 (check_long_token): Delete.
2577 (lex_percent, lex_dot): New subroutines of lex_token to
2578 handle lexing of '.' and '%' without lookback.
2579 (lex_token): Use lex_dot and lex_percent.
2580 (lex_line): Don't check for LIST_OFFSET.
2581 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
2582 * cpplib.c (_cpp_parse_assertion): Similarly.
2583 (cpp_push_buffer): Initialize extra_char.
2584 * cpplib.h (LIST_OFFSET): Delete.
2585 (struct cpp_buffer): New member extra_char.
2586 (struct lexer_state): New members lexing_comment and seen_dot.
2588 2000-09-23 Jason Merrill <jason@redhat.com>
2590 * config/rs6000/x-aix41 (CLIB): Define here.
2591 * config/rs6000/t-aix43: Not here.
2592 * config/rs6000/t-aix41: Or here. Remove.
2593 * configure.in: Don't use it.
2595 2000-09-22 Jason Merrill <jason@redhat.com>
2597 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
2598 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
2599 * config.in: Regenerate.
2601 * configure.in: Fix checks for assembler features when using a
2602 one-tree assembler that has not yet been built.
2603 Fix --disable-threads.
2605 2000-09-19 Geoff Keating <geoffk@cygnus.com>
2607 * stmt.c (expand_asm_operands): Allow # in constraints.
2609 2000-09-22 Jason Merrill <jason@redhat.com>
2611 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
2613 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
2614 function-local names.
2616 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
2617 Mark Mitchell <mark@codesourcery.com>
2619 * toplev.c (warn_disabled_optimization): Declare new warning flag.
2620 * flags.h (warn_disabled_optimization): Add it here.
2621 * gcse.c (gcse_main): Add warning when disabled.
2622 * invoke.texi: Document -Wdisabled-optimization.
2624 2000-09-21 Jason Merrill <jason@redhat.com>
2626 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
2628 * dwarf2out.c (tree_add_const_value_attribute): New fn.
2629 (gen_variable_die): Call it for non-definitions.
2631 * dwarf2out.c (die_struct): Add die_mark field.
2632 (mark_dies, unmark_dies): New fns.
2633 (clear_die_sizes): Remove.
2634 (print_die): Check die_symbol rather than die_offset.
2635 (build_abbrev_table, output_pubnames, output_aranges): Check
2636 die_mark rather than die_offset.
2637 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
2640 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
2642 * cppfiles.c (lookup_include_file): Rename to open_file.
2643 Always create a splay tree value, even on syscall failures.
2644 Negative entries indicated by fd == -2.
2645 Re-open files closed in the meantime.
2646 (_cpp_fake_include): Create a negative splay tree entry.
2647 (find_include_file, cpp_read_file): Update for function name
2649 * gcc.gd/cpp/mi4.c: Testcase.
2651 2000-09-21 Nick Clifton <nickc@redhat.com>
2653 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
2654 ARM and THUMB modes.
2656 * config/mcore/mcore.c: Fix compile time warnings.
2657 * config/mcore/mcore-protos.h: Fix compile time warnings.
2659 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2661 * configure.in: Correct test of gcc_cv_glibc.
2662 * configure: Rebuilt.
2663 * config.in: Rebuilt.
2665 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2667 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
2668 (expand_builtin): Handle BUILT_IN_FWRITE.
2670 * builtins.def (BUILT_IN_FWRITE): New entry.
2672 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
2674 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2676 * gcc.c (modify_target): New variable and struct.
2677 (process_command): Handle MODIFY_TARGET_NAME.
2678 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
2679 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
2681 * c-decl.c (finish_decl): Add else's to avoid referencing
2682 TYPE_DOMAIN of an ERROR_MARK.
2684 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
2686 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
2689 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
2691 * config/avr/avr.md (neghi2): Add alternative for input and output
2692 operands in different registers, as in negsi2.
2693 (*negsi2): Remove '*' from the name. Use "movw" if available.
2695 2000-09-19 Jim Wilson <wilson@cygnus.com>
2697 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
2698 HAVE_GAS_HIDDEN macro.
2700 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
2702 * cpplex.c (lex_line): Drop the EOF token for unknown
2703 directives in assembler.
2705 2000-09-19 David Edelsohn <edelsohn@gnu.org>
2707 * configure.in: Allow enable_threads_flag value of "aix". Define
2708 thread_file as "aix" for AIX 4.3 and above.
2709 * configure: Regenerated.
2711 * gthr-aix.h: New file.
2713 * rs6000/t-aix43: Replace soft-float multilib with pthread.
2714 Remove 403 processor multilib match. Fix rios2 processor multilib
2717 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
2718 to return to appropriate csect.
2720 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2722 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
2724 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
2725 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
2728 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
2731 * c-common.c (init_function_format_info): Handle __builtin_printf.
2732 Set `check_function_format_ptr'.
2733 (c_common_nodes_and_builtins): Set `puts_ftype' and
2734 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
2735 __builtin_printf and printf.
2737 * tree.c, tree.h (check_function_format_ptr): Declare.
2739 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
2741 * cppfiles.c (read_include_file): Take no special action for
2744 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
2746 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
2747 rather than that of branch.
2748 (shorten_branches): Don't increment insn_current_address twice.
2750 Undo most of the Wed Jan 27 23:39:53 1999 patch:
2751 * loop.h (struct induction): Delete members derived, ix and last_use.
2752 (struct loop_ivs): Delete members first_increment_giv and
2754 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
2755 recombine_givs): Delete functions.
2756 (find_and_verify_loops): Don't initialize cont_dominator.
2757 (strength_reduce): Lose code to try to find bivs that can be
2758 expressed as givs of another biv, and to convert biv increments
2760 Lose loop_scan_start variable, always use loop->scan_start.
2761 Don't call recombine_givs. Don't handle derived givs.
2762 (record_giv): Don't initialize derived and last_use fields.
2763 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
2765 * unroll.c (derived_regs): Delete static variable.
2766 (unroll_loop): Don't initialize it.
2767 (copy_loop_body): Lose code to handle derived givs.
2768 (find_splittable_givs): Don't check for givs made from biv
2770 Don't set derived_regs.
2772 Fix misapplied earlier patch:
2773 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
2775 (floatsisf2): Generate floatsisf_ie by default.
2776 (floatsisf_i4): Conditional on TARGET_SH4.
2778 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
2779 predicate for the expanders.
2781 2000-09-19 Richard Henderson <rth@cygnus.com>
2783 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
2784 in addition to pentium and pentiumpro symbols.
2785 (CPP_CPU_DEFAULT_SPEC): Likewise.
2787 * c-typeck.c (c_expand_asm_operands): Restore the output tree
2790 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
2791 if the tree has side effects.
2792 (warn_if_unused_value): Do not warn about void constructs.
2794 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
2796 * unroll.c (copy_loop_body): Update LABEL_NUSES before
2797 calling invert_jump.
2799 2000-09-18 Geoff Keating <geoffk@cygnus.com>
2801 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
2804 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2806 * Makefile.in (c-common.o): Depend on diagnostic.h.
2808 * c-common.c: Include diagnostic.h.
2810 (status_warning): New function.
2811 (check_format_info, maybe_read_dollar_number, check_format_types,
2812 finish_dollar_format_checking, check_function_format): Accept a
2813 `status' parameter. All callers changed.
2815 * c-common.h (check_function_format): Accept a `status' parameter.
2817 * c-typeck.c: Update call to `check_function_format'.
2819 2000-09-18 Richard Henderson <rth@cygnus.com>
2821 * c-decl.c (c_expand_body): Call mark_varargs before
2822 expand_function_start.
2824 2000-09-18 Geoff Keating <geoffk@cygnus.com>
2826 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
2827 * config/rs6000/eabi-ci.asm: Likewise.
2829 2000-09-18 Richard Henderson <rth@cygnus.com>
2831 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
2834 2000-09-18 Jim Wilson <wilson@cygnus.com>
2836 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
2837 before passing it to fold_rtx_mult_add.
2839 * unroll.c (final_giv_value): Pass increment through
2840 extend_value_for_giv before passing it to emit_iv_add_mult.
2842 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
2843 paradoxical subreg, then directly substitute the replacement and
2846 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
2848 * cpp.texi: Update documentation, including some clarifications,
2849 the treatment of various newline combinations, and space between
2850 backslash and newline.
2852 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2854 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
2855 Replace ASM_OUTPUT_LABELREF with assemble_name.
2857 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2859 * sh.c (addsubcosts): CONST is not cheap.
2860 (find_barrier): For Sh1, take alignment after jumps into account.
2862 2000-09-15 Andrew Haley <aph@redhat.com>
2864 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
2865 remove all SETs of SUBREGs of hard registers.
2866 * function.c (purge_hard_subreg_sets): New function.
2867 (purge_single_hard_subreg_set): New function.
2868 * rtl.h: (purge_hard_subreg_sets): New function.
2870 2000-09-18 Richard Henderson <rth@cygnus.com>
2872 * config/ia64/ia64-protos.h: Update.
2873 * config/ia64/ia64.c (signed_inequality_operator): New.
2874 (ia64_expand_compare): New.
2875 (ia64_register_move_cost): Handle PR_REGS moves.
2876 (ia64_secondary_reload_class): Require a GR when moving to a PR.
2877 (struct reg_write_state): Add written_by_and/or.
2878 (struct reg_flags): Add is_and/or.
2879 (rws_update): Set them.
2880 (rws_access_regno): Test them to allow parallel comparisons.
2881 (rtx_needs_barrier): Recognize parallel comparisons.
2882 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
2883 Call recog_memoized; ignore pred_rel_mutex.
2884 (emit_predicate_relation_info): Don't call find_basic_blocks here.
2885 (ia64_reorg): Do it here instead.
2886 * config/ia64/ia64.h: s/CCmode/BImode/g
2887 (MODES_TIEABLE_P): Don't tie BImode.
2888 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
2889 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
2890 (RTX_COSTS): Make multiply 4 insns.
2891 (MEMORY_MOVE_COST): New.
2892 (PREDICATE_CODES): Update.
2893 * config/ia64/ia64.md: s/CCmode/BImode/g
2894 (movcci, movbi): New.
2895 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
2896 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
2897 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
2898 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
2899 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
2900 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
2901 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
2902 (mulsi, muldi): Use xmpy not xma.
2904 (movcc, movcc_internal): Remove.
2905 (branch expanders): Use ia64_expand_compare.
2906 (setcc expanders): Likewise.
2907 (cmov insns): Use move_operand and ia64_move_ok.
2908 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
2909 scheduler from moving it past a use.
2910 * config/ia64/build.hacks: Remove.
2912 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
2914 * cpphash.h (HASHSTEP): Take character rather than pointer
2916 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
2918 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
2920 * cpplex.c (auto_expand_name_space, trigraph_replace,
2921 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
2922 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
2923 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
2924 KNOWN_DIRECTIVE): Delete.
2926 (handle_newline, check_long_token, skip_escaped_newlines,
2927 unterminated): New functions.
2928 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
2930 (parse_identifier): Was parse_name, new implementation.
2931 (skip_line_comment, skip_block_comment, skip_whitespace,
2932 parse_number, parse_string, trigraph_ok, save_comment,
2933 adjust_column, _cpp_get_line): New implementations.
2935 (lex_token): New function. Lexes a token at a time, looking
2936 forwards. Contains most of the guts of the old lex_line.
2937 (lex_line): New implementation, using lex_token to obtain
2939 (cpp_scan_buffer): Use the token's line, not the list's line.
2941 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
2942 New implementations.
2943 (do_assert): Don't bother setting the answer's list's line.
2944 (cpp_push_buffer): Initialise new pfile and read_ahead members
2945 of struct cpp_buffer.
2947 * cpplib.h (cppchar_t): New typedef.
2948 (struct cpp_buffer): read_ahead, pfile and col_adjust are
2950 (struct lexer_state): New structure that determines the state
2951 and behaviour of the lexer.
2952 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
2953 (struct cpp_reader): New member "state". Rename
2954 multiline_string_line and multiline_string_column. Delete
2955 col_adjust, in_lex_line members.
2956 (CPP_BUF_COLUMN): Update.
2958 2000-09-18 Richard Henderson <rth@cygnus.com>
2960 * combine.c (simplify_comparison): Shift a NOT out of a single
2963 * combine.c (if_then_else_cond): Canonicalize BImode true to
2965 * explow.c (trunc_int_for_mode): Likewise.
2967 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
2968 the NOT for De Morgan's rule.
2969 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
2970 of a comparison to the reverse comparison.
2972 * combine.c (try_combine): Allow split to create a single insn.
2974 * machmode.def: Add BImode. Add a column for bitsize.
2975 * machmode.h (DEF_MACHMODE): Adjust for extra column.
2976 (GET_MODE_BITSIZE): Use it.
2977 * rtl.c (DEF_MACHMODE): Adjust for extra column.
2978 (mode_bitsize): New.
2979 (mode_mask_array): Use bitsize.
2980 * combine.c (combine_simplify_rtx): Require inner and outer
2981 modes to match on nonzero_bits optimizations.
2983 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
2985 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
2986 its entry in spill_reg_store.
2987 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
2988 * sh.c (reg_no_subreg_operand): New function.
2989 * sh-protos.h (reg_no_subreg_operand): Declare it.
2990 * sh.h (PREDICATE_CODES): Add it.
2991 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
2992 input operand that needs to be in fpul.
2993 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
2994 * sh.c (find_barrier): Take into account that machine_dependent_reorg
2995 might add new insns.
2997 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
2999 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3001 (sh_expand_epilogue): Take the PIC register into account when
3002 computing the frame size.
3004 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3005 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3006 LABEL_REFs with a PIC-safe unspec.
3008 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3010 * c-common.c (check_format_info): Properly save the argument
3011 number and parameter for $ operand number formats in case width
3012 and precision arguments are also used. Allow printf width and
3013 precision arguments to have operand numbers even if none was
3014 specified for the main format, since this is OK for %*.*m. Only
3015 object to missing $ operand number if the format used requires an
3018 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3020 * c-common.c (format_char_info): Add 'W' flag to comment.
3021 (print_char_table, scan_char_table): Use it.
3022 (check_format_info): Use the 'W' flag to determine whether a
3023 format argument is written into.
3025 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3027 * c-common.c (check_format_types): Reorganise and clean up,
3028 checking earlier for ERROR_MARKs and making cur_type into its
3029 TYPE_MAIN_VARIANT where convenient.
3031 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3033 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3035 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3037 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3039 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3040 * i386.c (struct builtin_description): New.
3041 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3042 (mmx_reg_operand): Declare MODE arg as unused.
3043 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3044 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3045 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3046 ix86_init_builtins, ix86_expand_builtin): New functions.
3047 * i386.h (ix86_builtins): New enumeration.
3048 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3049 * i386.md (attr length_immediate): 0 for mmx/sse types.
3050 (attr prefix_0f): 1 for mmx/sse types.
3051 (setcc_2): Remove "*" so we get gen_setcc_2.
3052 (emms): Account for changed register numbering. Set "memory" attr
3054 (sfence): Set "memory" attr to unknown.
3056 2000-09-18 Andreas Jaeger <aj@suse.de>
3058 * configure.in: Define _GNU_SOURCE only when using the GNU C
3060 * configure: Regenerated.
3061 * config.in: Regenerated.
3063 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3065 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3066 * flow.c (flow_dump_loop): Likewise.
3067 (flow_loops_dump): Likewise.
3069 * c-typeck.c (c_start_case): Fix typo.
3071 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3073 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3074 to int for plain complex which defaults to complex double. Do
3075 warn about defaulting to complex double if pedantic. Warn about
3076 complex integer types if pedantic. Warn about complex types if
3077 pedantic and not in C99 mode.
3078 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3079 for complex conjugation.
3081 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3083 * contrib.texi: Update my entry.
3085 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3087 * config/avr/avr.md (mcu_enhanced): New attribute.
3088 (mcu_mega): Likewise.
3089 (extendhisi2): Use mcu_enhanced.
3090 (zero_extendhisi2): Likewise.
3091 (call_insn): Use mcu_enhanced and mcu_mega.
3092 (call_value_insn): Likewise.
3093 (*sbrx_branch): Use mcu_mega.
3094 (*sbrx_and_branchsi): Likewise.
3095 (*sbrx_and_branchhi): Likewise.
3096 (*tablejump_lib): Likewise.
3098 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3100 * alias.c (true_dependence): Allow non-unchanging read to conflict
3101 with unchanging write.
3103 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3104 (store_constructor): Pass alias_set to it.
3106 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3107 TYPE_MAIN_VARIANT of ERROR_MARK.
3108 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3110 * simplify-rtx.c (simplify_unary_operation): Add cases
3111 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3113 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3115 * expr.h (emit_library_call, emit_library_call_value): Delete
3117 * rtl.h (enum libcall_type): New.
3118 (emit_library_call, emit_library_call_value): Change fn_type arg to
3119 be of type enum libcall_type.
3120 * calls.c: Likewise for the function definitions. Several callers
3121 throughout changed to use the new enumeration appropriately.
3122 (emit_library_call_value_1): Likewise. Put back code to make libcall
3123 blocks of equal form, but only use it for the two new higher
3126 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3128 Convert the C front-end to use function-at-a-time mode.
3129 * c-common.h: Include splay-tree.h.
3130 (C_DECLARED_LABEL_FLAG): New macro.
3131 (struct language_function): Add x_scope_stmt_stack and
3132 x_function_name_declared_p.
3133 (RECHAIN_STMTS): Move definition.
3134 (lang_statment_code_p): Likewise.
3135 (lang_expand_stmt): Likewise.
3136 (lang_expand_decl_stmt): New variable.
3137 (lang_expand_function_end): Likewise.
3138 (current_scope_stmt_stack): New function.
3139 (add_decl_stmt): Likewise.
3140 (add_scope_stmt): Likewise.
3141 (mark_stmt_tree): Likewise.
3142 (struct c_lang_decl): New structure.
3143 (DECL_SAVED_TREE): Define.
3144 (c_mark_lang_decl): New function.
3145 (c_expand_start_cond): Change prototype.
3146 (c_finish_then): New function.
3147 (c_finish_else): Likewise.
3148 (current_function_name_declared): Remove.
3149 (set_current_function_name_declared): Likewise.
3150 (mark_c_language_function): Declare.
3151 (case_compare): Likewise.
3152 (c_add_case_label): Likewise.
3153 (c_expand_expr): Likewise.
3154 (c_safe_from_p): Likewise.
3155 * c-common.c (lang_expand_function_end): New variable.
3156 (struct if_elt): Add if_stmt.
3157 (c_expand_start_cond): Add the if-statement to the statement-tree,
3158 rather than generating RTL.
3159 (c_finish_then): New function.
3160 (c_expand_start_else): Don't generate RTL.
3161 (c_finish_else): New function.
3162 (c_expand_expr_stmt): Don't generate RTL.
3163 (statement_code_p): Add SCOPE_STMT.
3164 (case_compare): New function.
3165 (c_add_case_label): Likewise.
3166 (mark_stmt_tree): Likewise.
3167 (c_mark_lang_decl): Likewise.
3168 (mark_c_language_function): Likewise.
3169 (c_expand_expr): Likewise.
3170 (c_safe_from_p): Likewise.
3171 * c-decl.c (c_stmt_tree): New variable
3172 (c_scope_stmt_stack): Likewise.
3173 (c_function_name_declared_p): Likewise.
3174 (lang_expand_expr_stmt): Remove.
3175 (poplevel): Don't call output_inline_function for nested
3177 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3179 (redeclaration_error_message): Change means of computing whether
3180 or not a function is nested.
3181 (lookup_label): Don't call label_rtx.
3182 (init_decl_processing): Add more GC roots.
3183 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3184 calling rest_of_decl_compilation.
3185 (finish_decl): Don't call expand_decl.
3186 (store_parm_decls): Begin the statement-tree, but don't generate
3188 (finish_function): Tie off the statement-tree. Call c_expand_body
3190 (c_expand_body): New function.
3191 (push_c_function_context): Save more information.
3192 (pop_c_function_contxt): Likewise.
3193 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3194 (lang_mark_tree): Mark it.
3195 (current_stmt_tree): Adjust.
3196 (current_scope_stmt_stack): New function.
3198 (set_current_name_declared): Likewise.
3199 (c_begin_compound_stmt): Define.
3200 (c_expand_decl_stmt): Likewise.
3201 * c-lang.c: Include rtl.h and expr.h.
3202 (lang_init): Set more language-specific hooks.
3203 * c-lex.c: Include expr.h.
3204 * c-parse.in: Changes throughout to add statements to the
3205 statement-tree, rather than generating RTL after every statement.
3206 * c-semantics.c (lang_expand_decl_stmt): Define.
3207 (add_decl_stmt): New function.
3208 (add_scope_stmt): Likewise.
3209 (finish_stmt_tree): Tweak.
3210 (genrtl_expr_stmt): Likewise.
3211 (genrtl_decl_stmt): Handle local labels, and call
3212 lang_expand_decl_stmt if required.
3213 (genrtl_for_stmt): Fix line-number handling.
3214 (genrtl_case_label): Handle cleanups.
3215 (genrtl_asm_stmt): Don't call combine_strings.
3216 (genrtl_compound_stmt): Simplify.
3217 (expand_stmt): Handle SCOPE_STMTs.
3218 * c-tree.h (struct lang_decl): New structure.
3219 (C_DECLARED_LABEL_FLAG): Remove.
3220 (c_begin_compound_stmt): Declare.
3221 (c_expand_decl_stmt): Likewise.
3222 (c_expand_start_case): Rename to c_start_case.
3223 (c_finish_case): New function.
3224 * c-typeck.c (start_init): Tweak setting of
3225 constructor_incremental.
3226 (c_expand_asm_operands): Tweak error-handling. Add to the
3228 (c_expand_return): Add to the statement-tree.
3229 (c_expand_start_case): Rename to ...
3230 (c_start_case): ... this.
3231 (struct c_switch): New type.
3232 (switch_stack): New variable.
3233 (do_case): Simplify.
3234 (c_finish_case): New function.
3235 * dependence.c: Include expr.h.
3236 (enum dependence_type): Change spelling of enumerals.
3237 (check_node_dependence): Adjust.
3238 * expr.h (lang_safe_from_p): Declare.
3239 (safe_from_p): Likewise.
3240 * expr.c (lang_safe_from_p): New variable.
3241 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3242 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3243 * toplev.c (rest_of_decl_compilation): Robustify.
3244 * tree.c (contains_placeholder_p): Likewise.
3245 * Makefile.in: Update dependencies.
3246 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3247 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3248 (objc_expand_function_end): New function.
3249 (finish_method_def): Use it.
3250 (init_objc): Initialize more language-specific hooks.
3251 * objc/Make-lang.in: Update dependencies.
3253 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3255 * configure.in: Define macros that affect features before
3256 testing for features. Don't define _XOPEN_SOURCE.
3257 * configure: Regenerated.
3258 * config.in: Regenerated.
3260 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3262 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3263 (rtx_unstable_p): Restructure code. Volatile asms
3266 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3268 * function.h (no_debugging_symbols): New field.
3269 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3270 Initialize no_debugging_symbols.
3271 (output_inline_function): Save and restore write_symbols and set from
3272 no_debugging_symbols.
3273 * toplev.c (rest_of_compilation): Call save_for_inline.
3274 * tree.h: Update comment.
3276 * stor-layout.c (place_field): Don't do anything if field or
3277 its type are ERROR_MARK.
3279 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3281 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3282 (read_include_file): Ensure inc->mmaped is initialized.
3284 2000-09-16 Richard Henderson <rth@cygnus.com>
3286 * cppiles.c (purge_cache): Use PTR not caddr_t.
3288 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3290 * gcc.c: In description for %{<S}, say the option removed is -S.
3291 * invoke.texi (Spec Files): Ditto.
3293 2000-09-16 Andreas Jaeger <aj@suse.de>
3295 * configure.in: Always define _GNU_SOURCE to make interfaces
3296 visible that were hidden by only defining _GNU_SOURCE.
3297 * configure: Regenerated.
3299 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3301 * cpplex.c (push_macro_context): Set an argument's level after
3302 calling parse_args. We could loop infinitely otherwise.
3304 2000-09-15 Tom Tromey <tromey@cygnus.com>
3306 * configure, config.in: Rebuilt.
3307 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3309 2000-09-15 Greg McGary <greg@mcgary.org>
3311 * cppmacro.c (check_trad_stringification): Check token
3312 text pointers against limit before dereferencing.
3314 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3316 * c-common.c (format_wanted_type): New structure.
3317 (check_format_types): New function.
3318 (check_format_info): Pass all checking of types of format
3319 arguments, including width and precision arguments, to this new
3322 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3324 * BUGS: Remove file.
3326 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3328 * config/alpha/alpha.c (override_options): ev6 cache latencies
3329 from Richard Henderson. Don't allow -mmemory-latency=L0.
3331 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3332 (TARGET_OPTIONS): Add tune=.
3333 (alpha_tune_string): Declare.
3334 * config/alpha/alpha.c (override_options): Add cpu_table.
3335 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3336 and then alpha_tune_string to set alpha_cpu only.
3337 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3338 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3339 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3340 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3342 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3344 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3346 (ix86_comparison_operator, ix86_cc_mode): Declare
3347 * i386.h (CCGC, CCGCO): New modes.
3348 (SELECT_CC_MODE): Move offline to ....
3349 * i386.c (ix86_cc_mode): .... here; use new modes.
3350 (ix86_comparison_operator): New.
3351 (fcmov_comparison_operator): Ensure proper mode.
3352 (put_condition_mode): More sanity checking.
3353 (ix86_match_ccmode): Handle new modes.
3354 (ix86_expand_fp_compare): GEU requires CCmode.
3355 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3357 * i386.md (cmp?i_ccz_1): Remove
3358 (cmp?i_ccno_1): Use ix86_match_ccmode.
3359 (cmp?i_minus_1): New.
3360 (cmpsi_1): New expander.
3361 (cmpqi_ext_1): Use match_ccmode
3362 (cmpqi_ext_3): New expander.
3363 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3364 (cmpqi_ext_4): Use match_ccmode.
3365 (add?i_?): Use match_ccmode.
3367 (test?i_ccz_1): Remove
3369 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3370 (testqi_ext_0): Use ix86_match_ccmode.
3371 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3372 (xorqi_cc_ext_1): New expander.
3373 (shift patterns): Use CCGOCmode for all shifts except for sar.
3374 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3375 (setcc_3, jcc_3, miv?icc_c): Remove.
3377 2000-09-15 Will Cohen <wcohen@redhat.com>
3379 * dwarf2out.c (add_const_value_attribute): Changed array into a
3380 xmalloced object, so it exists after function exit.
3381 (free_AT): Added case for dw_val_class_float to free allocated
3384 2000-09-15 Kazu Hirata <kazu@hxi.com>
3386 * config/i386/i386.md: Fix a comment typo.
3387 * gcc.c: Fix formatting.
3389 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3391 * optabs.c (emit_libcall_block): If target is a user variable,
3392 copy to a temporary first.
3393 * expr.c (convert_move): When generating a libcall, make a libcall
3395 * calls.c (emit_library_call_value_1): Don't create a libcall
3396 sequence here; our caller will in most cases do it.
3398 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3400 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3401 * sh.md (reload_outsf): Generate recognizable patterns for
3403 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3404 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3405 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3406 truncdfsf2_i4): Change not to use explicit references to fpul.
3407 (floatsisf2_ie): Remove USE of fpscr.
3408 (floatsisf2): Change default expansion to match this.
3409 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3412 2000-09-15 Richard Henderson <rth@cygnus.com>
3414 * expmed.c (store_bit_field): Consider naturally aligned
3415 memory for direct reference.
3417 2000-09-15 Richard Henderson <rth@cygnus.com>
3419 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3420 AND addresses into alias set 0.
3421 (alpha_expand_unaligned_store): Likewise.
3422 (alpha_expand_unaligned_load_words): Likewise.
3423 (alpha_expand_unaligned_store_words): Likewise.
3425 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3427 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3428 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3430 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3431 rsize of UNITS_PER_WORD.
3433 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3435 * cpplex.c (ON_REST_ARG): Correct the test.
3436 (maybe_paste_with_next): Duplicate a token that fail pasting,
3437 and clear its PASTE_LEFT flag, so that nested pasting attempts
3440 2000-09-14 Richard Henderson <rth@cygnus.com>
3442 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3443 * cse.c (rtx_cost): Likewise.
3444 * optabls.c (expand_binop): Likewise.
3445 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3446 * regclass.c (copy_cost): Likewise.
3447 * reload1.c (reload_cse_move2add): Likewise.
3449 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3451 * c-parse.in (reswords): Add _Complex.
3453 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3455 * gcc.1: Delete documentation for -undef preprocessor option.
3457 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3459 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3460 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3461 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3462 Remove undefine before config/elfos.h.
3463 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3465 2000-09-14 Kazu Hirata <kazu@hxi.com>
3467 * invoke.texi (H8/300 Options): Add -ms2600.
3468 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3469 is used without -ms.
3470 * config/h8300.h (TARGET_MAC): New.
3471 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3472 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3473 machine other than H8/S2600.
3474 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3477 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3479 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3480 pseudos that refer to the original pseudos, not only to their
3481 equivalent memory locations.
3483 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3485 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
3486 when making new MEM.
3488 * Makefile.in (LN): Remove duplicate definition.
3490 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3492 From Joern Rennecke:
3493 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
3494 on an insn and function_invariant_p returns nonzero for the source,
3495 add a REG_EQUAL note.
3497 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
3499 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
3500 conflict with frame_pointer_rtx.
3502 2000-09-13 Kazu Hirata <kazu@hxi.com>
3504 * loop.c: Fix formatting.
3507 2000-09-13 Richard Henderson <rth@cygnus.com>
3509 * config/ia64/ia64.md (divsf3): New.
3510 (divsf3_internal_lat, divsf3_internal_thr): New.
3511 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
3512 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
3513 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
3514 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
3515 (nmadddf4_alts, nmadddf4_trunc): New.
3516 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
3517 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
3518 (multf3_truncsf_alts, multf3_truncdf_alts): New.
3519 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
3520 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
3521 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
3522 (nmaddtf4_truncdf_alts): New.
3523 (recip_approx): Don't predicate.
3525 2000-09-13 Richard Henderson <rth@cygnus.com>
3527 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
3529 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3531 * flags.h (flag_dump_rtl_in_asm): Declare.
3532 * toplev.c (flag_dump_rtl_in_asm): Define.
3533 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
3534 if -dP is specified.
3535 * rtl.h (print_rtx_head): Declare.
3536 * print-rtl.c (print_rtx_head): Define.
3537 (print_rtx): Print the string pointed to by print_rtx_head
3538 at beginning of each dump line.
3539 (print_rtl): Likewise.
3540 (print_rtl_single): Likewise.
3541 * final.c (final_scan_insn): Dump the insn in the assembly
3543 * gcc.1: Document -dP option.
3544 * invoke.texi (Debugging Options): Likewise.
3546 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3548 * md.texi (Machine Constraints): Document the 68HC11 constraints.
3549 * install.texi (Configurations): Document the 68HC11&68HC12 port.
3550 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
3552 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
3554 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
3555 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
3556 (*clrstrqi): Likewise.
3557 (xorhi3,xorsi3,absqi2): Likewise.
3558 (one_cmplhi2,one_cmplsi2): Likewise.
3559 (addsi3): Two stupid constraint alternatives removed.
3560 (extendhisi2): Use `movw' for enhanced avr cores.
3561 (zero_extendhisi2): Likewise.
3563 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
3565 * alias.c (find_base_term): Use frame_pointer_rtx
3566 when handling an ADDRESSOF.
3568 * cse.c (canon_hash): Handle USE of BLKmode memory.
3569 (cse_insn): Outgoing arguments for a libcall don't
3570 affect any recorded expressions.
3572 2000-09-12 Tom Tromey <tromey@cygnus.com>
3574 * configure, config.in: Rebuilt.
3575 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
3577 2000-09-12 Jakub Jelinek <jakub@redhat.com>
3579 * c-lex.c (lex_string): Use charwidth to compute bytemask.
3580 * expr.c (expand_expr): Don't optimize constant array references
3581 initialized with wide string constants.
3583 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3585 * loop.c (note_set_pseudo_multiple_uses): Correct.
3587 2000-09-12 Jim Wilson <wilson@cygnus.com>
3589 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
3590 else block, and X has side-effects, then fail.
3592 2000-09-12 Greg McGary <greg@mcgary.org>
3594 * config/mips/mips-protos.h
3595 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
3596 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
3597 (PREDICATE_CODES): Add "trap_cmp_op".
3598 * config/mips/mips.c
3599 (trap_cmp_op, mips_gen_conditional_trap): New functions.
3600 * config/mips/mips.md (trap, conditional_trap): New patterns.
3602 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3604 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
3607 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3609 * builtins.c (built_in_decls): New array.
3610 (expand_builtin_fputs): New function.
3611 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
3613 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
3615 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
3617 * tree.h (built_in_decls): New array.
3619 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
3621 * convex.md: Use "+" instead of "=" for outputs wrapped in a
3623 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
3625 2000-09-12 Kazu Hirata <kazu@hxi.com>
3627 * haifa-sched.c: Fix formatting.
3629 * genattrtab.c: Fix formatting.
3631 * unroll.c: Fix formatting.
3633 2000-09-12 Bruce Korb <bkorb@gnu.org>
3635 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
3636 remove obsolete code
3637 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
3638 * fixinc/fixincl.tpl: make non-exported arrays static scope
3639 * fixinc/fixincl.x: regenerate
3640 * fixinc/fixlib.h: Use PARAMS, not _P_
3641 * fixinc/fixtests.c: make a type for the test proc & use it
3642 * fixinc/server.h: Use PARAMS, not _P_
3644 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3646 * c-typeck.c (process_init_element): Avoid union init warnings on
3647 floating point zero. Don't crash on unions containing structs.
3649 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
3651 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
3652 general_movsrc_operand, and remove CONST_INT from
3653 general_movdst_operand.
3655 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3657 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
3658 if a reference to non-fixed hardreg is seen. Otherwise, count hard
3659 regs with a higher cost.
3660 (preferrable): Deal with cases where either cost or regcost is
3662 (cse_insn): Use MAX_COST rather than 10000. Always initialize
3664 (COSTS_N_INSNS): Move definition...
3666 (MAX_COST): New macro.
3667 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
3670 2000-09-11 Mark Mitchell <mark@codesourcery.com>
3672 * c-common.h (genrtl_clear_out_block): Remove.
3673 * c-semantics.c (genrtl_clear_out_block): Remove.
3674 (genrtl_while_stmt): Don't call it.
3675 (genrtl_for_stmt): Likewise.
3677 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3679 * cppfiles.c: Move all default-#defines to top of file.
3680 (open_include_file): Replace by lookup_include_file.
3681 (read_with_read, read_file): Merged into read_include_file.
3682 (stack_include_file, purge_cache): New functions.
3683 (close_cached_fd): Delete.
3684 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
3685 Cache the in-memory buffer, not the file descriptor.
3687 * cpphash.h (struct include_file): Add buffer, st, refcnt,
3689 (xcnew): New utility macro.
3690 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
3691 * cpplib.h (struct cpp_buffer): Remove mapped field.
3693 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3695 * cpplex.c (parse_string): Accept backslash space newline as a
3697 (lex_line): Likewise.
3698 (_cpp_get_token): Remove hard limit on macro nesting.
3700 2000-09-12 Philipp Thomas <pthomas@suse.de>
3702 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
3703 * configure: Rebuilt.
3705 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3707 * flow.c (split_block): Fix update of registers live at
3710 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3712 * i386.md (add?i_3, add?i_5): New.
3713 (add?i_4): Rename from add?i_3; Fix compare pattern.
3714 (sub?i_3, xor?i_3, ior?i_3): New.
3716 * genrecog.c (write_tree): Output code to clear insn_extract cache.
3717 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
3718 instead of extract_insn and extract_constrain_insn_cache instead of
3719 extract_insn and constrain_operands.
3720 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
3722 (extract_insn): Clear which_alternative.
3723 (constrain_operands): Set which_alternative to -1 when failed.
3724 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
3727 2000-09-11 Matthew Hiller <hiller@redhat.com>
3729 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
3730 on operand 0 to '+'.
3731 (movstricthi): Likewise.
3733 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3735 * loop.h (LOOP_IVS): New macro.
3736 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
3737 (struct loop_ivs): New.
3738 (struct loop_info): Add ivs field.
3739 (reg_iv_type, reg_iv_info): Delete prototype.
3740 (reg_biv_class, loop_iv_list): Likewise.
3741 * loop.c (record_biv, find_life_end): Pass loop argument.
3742 (reg_iv_type): Remove global array and use
3743 field in loop_regs structure within loop_ivs structure.
3744 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
3745 (first_increment_giv, last_increment_giv): Use entry in
3747 (record_initial): Pass ivs pointer.
3748 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
3750 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3752 * loop.h (LOOP_REGS): New macro.
3753 (struct loop_regs): New.
3754 (struct loop_info): Add regs field.
3755 * loop.c (set_in_loop): Remove global array and store
3756 in loop_regs structure as part of loop_info structure.
3757 (n_times_set, may_not_optimize): Likewise.
3758 (reg_single_usage, moved_once): Likewise.
3759 (count_one_set): Add regs argument.
3760 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
3761 (set_pseudo_multiple_uses): Pass regs pointer.
3763 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3765 * unroll.c (iteration_info): Subsume into loop_iterations.
3766 * loop.h (loop_info): New field iv.
3768 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3770 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
3771 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
3772 (flow_loops_update): New prototype.
3773 (flow_loops_find): Add flags to prototype.
3774 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
3775 * flow.c (flow_loop_pre_header_scan): New.
3776 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
3777 (flow_loop_free): Free pre-header root and trace and exit dominators.
3778 (flow_loops_find): New argument flags.
3779 (flow_loops_update): New function.
3780 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
3782 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3784 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
3785 * flow.c (split_block, update_bb_for_insn): New functions.
3787 2000-09-11 Richard Henderson <rth@cygnus.com>
3789 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
3791 2000-09-11 Richard Henderson <rth@cygnus.com>
3793 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
3794 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
3795 (ia64_override_options): Prevent optimizing division for both
3796 latency and throughput.
3797 (rtx_needs_barrier): Handle frcpa.
3798 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
3799 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
3800 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
3801 (TARGET_SWITCHES): Add -minline-divide-min-latency and
3802 -minline-divide-max-throughput.
3803 (PREDICATE_CODES): Update.
3804 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
3805 (zero_extendsidi2): Likewise. Fix typo in f case insn.
3806 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
3807 (extendsftf2): Likewise.
3808 (extenddftf2): Likewise.
3809 (fix_trunctfdi2_alts): New.
3810 (fixuns_trunctfdi2_alts): New.
3811 (madd*4): Rename from madd*3.
3812 (divsi3, modsi3, udivsi3, umodsi3): New.
3813 (divsi3_internal): New.
3814 (divdi3, moddi3, udivdi3, umoddi3): New.
3815 (divdi3_internal_lat, divdi3_internal_thr): New.
3816 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
3817 (recip_approx): New.
3819 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
3821 * print-rtl.c (debug_call_placeholder_verbose): New variable.
3822 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
3824 * integrate.c (copy_rtx_and_substitute): Don't share
3825 LEAF_REG_REMAPpable registers with the inlined function. Don't
3826 share the function value with calling sequences.
3828 2000-09-11 Jakub Jelinek <jakub@redhat.com>
3830 * c-decl.c (do_case): Fix a typo.
3832 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
3833 to a if the comparison is floating mode and not -ffast-math.
3834 * simplify-rtx.c (simplify_ternary_operation): Likewise.
3836 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3838 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
3839 gen_ic_invalidate_line.
3841 2000-09-11 Philip Blundell <pb@futuretv.com>
3843 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
3845 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
3847 * install.texi (LANGUAGES): Update to include new languages.
3850 2000-09-11 DJ Delorie <dj@redhat.com>
3852 * gcc.c (main): Don't warn about unused -B prefixes
3853 (unused_prefix_warnings): remove
3855 2000-09-11 Kazu Hirata <kazu@hxi.com>
3857 * final.c: Fix formatting.
3859 * integrate.c: Fix formatting.
3861 2000-09-11 Geoff Keating <geoffk@cygnus.com>
3863 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
3865 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
3867 * reload.c (regno_clobbered_p): Fix thinko in previous change.
3869 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3871 * gcc.1: Document 68hc11 specific options.
3873 2000-09-10 Geoff Keating <geoffk@cygnus.com>
3875 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
3876 (TARGET_LONG_DOUBLE_128): Define.
3877 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
3878 (LONG_DOUBLE_TYPE_SIZE): Redefine.
3879 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3880 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
3881 of __LONG_DOUBLE_128__.
3882 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
3884 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
3885 (CPP_SYSV_DEFAULT_SPEC): Define.
3886 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
3887 (INIT_TARGET_OPTABS): Define.
3889 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
3890 (RS6000_UITRUNC): Likewise.
3891 (INIT_TARGET_OPTABS): New macro.
3892 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
3893 (trunc_defined): Delete.
3894 (output_prolog): Don't output .extern definitions for fp->int
3895 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
3896 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
3897 (trunc_defined): Delete.
3898 (RS6000_ITRUNC): Moved to aix.h.
3899 (RS6000_UITRUNC): Likewise.
3900 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
3901 only emit a libcall.
3902 (fixuns_truncdfsi2): Delete.
3903 (trunc_call): Delete.
3904 (trunc_call_rtl): Delete.
3906 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
3908 * varasm.c (make_decl_rtl): Restore leading star on
3909 DECL_ASSEMBLER_NAME set for decls with an asmspec.
3911 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
3913 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
3914 won't give a spurious error for '#pragma pack()'. Simplify
3915 control flow for readability. 'reset' action is not necessary.
3917 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
3919 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
3920 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
3921 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
3922 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
3924 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
3925 profile.c, sdbout.c, tradcif.y, tree.c:
3926 Include defaults.h if not already included.
3927 Don't define the above macros.
3929 * Makefile.in: Update dependencies.
3931 2000-09-10 Mark Mitchell <mark@codesourcery.com>
3933 * c-common.h (add_stmt): Change prototype.
3934 (RECHAIN_STMTS): New macro.
3935 (CASE_LABEL_DECL): Likewise.
3936 (genrtl_case_label): Change prototype.
3937 (c_expand_start_case): Remove prototype.
3938 (build_case_label): Change prototype.
3939 (decl_constant_value): Declare.
3940 * c-common.c (check_case_value): Handle C++'s extensions to C
3942 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
3944 * c-parse.in (stmt): Adjust handling of return statements and case
3946 * c-semantics.c (add_stmt): Return the new statement.
3947 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
3948 returned expression. Directly generate RTL, rather than calling
3950 (genrtl_switch_stmt): Don't call c_expand_start_case.
3951 (build_case_label): Take the LABEL_DECL as input, too.
3952 (genrtl_case_label): Just call add_case_node.
3953 (expand_stmt): Adjust calls to genrtl_return_stmt and
3955 * c-tree.h (c_expand_start_case): Declare.
3956 * c-typeck.c (decl_constant_value): Give it external linkage.
3957 (c_expand_return): Don't call expand_return or expand_null_return;
3958 use genrtl_return_stmt instead.
3959 * stmt.c (struct nesting): Remove num_ranges field.
3960 (add_case_node): Give it external linkage.
3961 (expand_start_case): Don't set num_ranges.
3962 (expand_start_case_dummy): Don't clear it.
3963 (pushcase): Rely on add_case_node to handle `default' labels.
3964 (add_case_node): Handle `default' labels.
3965 * tree.c (tree_int_cst_compare): New function.
3966 * tree.h (tree_int_cst_compare): Declare.
3967 (add_case_node): Likewise.
3969 2000-09-10 Richard Henderson <rth@cygnus.com>
3971 * c-parse.in: Revert last change.
3972 (init_reswords): Do not enter disabled keywords into the ridpointers
3973 table, modulo objc weirdness.
3974 (_yylex): Return the canonical spelling for a keyword.
3976 2000-09-10 Philip Blundell <philb@gnu.org>
3978 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
3979 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
3981 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
3983 * alias.c (find_base_term): Handle ADDRESSOF.
3984 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
3986 2000-09-10 Denis Chertykov <denisc@overta.ru>
3988 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
3989 outputting templates with many lines.
3991 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3993 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
3994 to decide whether 64-bit support must be generated.
3996 2000-09-10 Richard Henderson <rth@cygnus.com>
3998 * c-parse.in (asm patterns): Fix volatile check.
4000 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4002 * cppmacro.c (check_trad_stringification): New function.
4003 (save_expansion): If -Wtraditional, warn about stringification of
4006 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4008 * loop.h (struct loop_mem_info): Move from loop.c
4009 (struct loop_info): Add fields store_mems, mems, mems_idx,
4010 mems_allocated, unknown_address_altered,
4011 unknown_constant_address_altered, num_mem_sets, and
4012 first_loop_store_insn.
4014 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4015 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4016 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4017 (num_mem_sets): Likewise.
4018 (replace_loop_mems, replace_loop_regs): New.
4019 (struct loop_replace_args): New.
4020 (load_mems): Use replace_loop_mems.
4021 (try_copy_prop): Use replace_loop_regs.
4022 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4024 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4026 * configure.in: Recognize m6811-elf and m6812-elf.
4027 * configure: Regenerate.
4029 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4031 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4034 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4036 * loop.c (struct movables): New.
4037 (num_movables): Move into struct movables.
4038 (the_movables): Change type to struct movables.
4039 (ignore_some_movables): Change struct movable arg to struct movables.
4040 (force_movables, combine_movables, regs_match_p): Likewise.
4041 (rtx_equal_for_loop_p, move_movables): Likewise.
4042 (scan_loop): Change movables to be of type struct movables.
4043 Replace last_movable with field in movables structure.
4045 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4047 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4048 (init_pragma): Avoid warning if pfile happens to be unused.
4049 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4050 define init_pragma to nothing. Always prototype
4051 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4053 * c-lex.c (process_directive): Always call dispatch_pragma.
4054 Initialize entering_c_header to 0.
4056 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4058 * config/m68hc11/m68hc11.md: New file, machine description for
4060 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4061 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4062 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4063 * config/m68hc11/m68hc11-protos.h: New file.
4064 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4065 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4066 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4067 * config/m68hc11/larith.asm: New file, libgcc routines.
4069 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4071 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4072 (FPBIT_FUNCS): Add _usi_to_sf.
4073 * config/fp-bit.c (usi_to_float): New function.
4074 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4075 (usi_to_float): Add appropriate #define.
4077 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4079 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4081 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4082 * i386.md (attr "type"): Add sse and mmx types.
4083 (attr "memory"): Handle them without a crash.
4084 (movsi_1, movdi_2): Allow MMX regs.
4085 (movdi splits): Don't split moves involving MMX regs.
4086 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4087 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4088 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4089 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4090 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4091 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4092 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4093 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4094 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4095 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4096 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4097 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4098 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4099 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4100 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4101 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4102 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4103 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4104 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4105 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4106 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4107 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4108 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4109 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4110 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4111 mmx_clrdi): New patterns.
4113 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4115 * arm.c: Don't include tm.h directly.
4117 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4119 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4120 testing; simplify subregs of constants and nested subregs.
4122 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4124 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4126 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4128 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4130 * rtl.texi (description of USE): Add note about possible pitfalls
4132 From Richard Henderson:
4133 * reload1.c (choose_reload_regs): Compute need_mode properly.
4135 2000-09-07 Richard Henderson <rth@cygnus.com>
4137 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4138 (__modsi3, __umodsi3): Likewise.
4139 (__udivsi3): Likewise. Normalize the TFmode values.
4141 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4143 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4145 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4148 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4150 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4151 (cmpeqdi_t): Add output pattern.
4152 (cmpeqdi_t+1): Don't split when not optimizing.
4153 Restore proper splitting operation.
4155 2000-09-07 Richard Henderson <rth@cygnus.com>
4157 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4158 do not call dispatch_pragma.
4160 2000-09-07 Jim Wilson <wilson@cygnus.com>
4162 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4163 to CLASS_CANNOT_CHANGE_MODE.
4164 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4165 mode classes are different.
4167 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4169 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4170 left out of commit which removed cppulp.c.
4172 2000-09-07 Richard Henderson <rth@cygnus.com>
4174 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4175 after switch for CASE_DROPS_THROUGH.
4177 2000-09-07 Richard Henderson <rth@cygnus.com>
4179 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4180 Properly extend the biv initial value for the giv.
4181 (record_biv): Zero ext_dependant.
4182 (record_giv): New argument ext_val. Update all callers.
4183 (general_induction_var): Likewise.
4184 (consec_sets_giv): Likewise.
4185 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4186 a sign-extend, zero-extend, or truncate.
4187 (combine_givs_p): Make sure modes are compatible.
4188 (check_ext_dependant_givs): New.
4189 (extend_value_for_giv): New.
4190 * loop.h (struct induction): Add ext_dependant.
4191 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4192 (find_splittable_givs): Likewise.
4193 (final_giv_value): Likewise.
4195 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4197 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4198 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4199 definitions from cpplib.h.
4200 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4202 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4203 documentation for REGISTER_TARGET_PRAGMAS.
4205 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4206 default-pragma callback to implement -Wunknown-pragmas if
4208 * c-parse.in: Move all includes to top of file.
4209 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4211 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4213 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4215 * arm.h, arm-protos.h, arm.c,
4216 c4x.h, c4x-protos.h, c4x.c,
4217 h8300.h, h8300-protos.h, h8300.c,
4218 i370.h, i370-protos.h, i370.c,
4219 i960.h, i960-protos.h, i960.c,
4220 sh.h, sh-protos.h, sh.c,
4221 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4222 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4224 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4225 multiple include guard.
4226 * i370.md (untyped_call): Use GEN_CALL.
4227 (umodsi3): Remove unused variable.
4228 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4229 * v850.c (output_move_single, output_move_double): Constify
4231 (print_operand): Constify a char *.
4232 * v850.h (struct small_memory_info): Constify name member.
4234 2000-09-07 Kazu Hirata <kazu@hxi.com>
4236 * config/h8300.h: Fix comment typos.
4237 * config/h8300/h8300.md: Likewise.
4238 * config/h8300/lib1funcs.asm: Likewise.
4240 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4242 * Makefile.in: Remove references to cppulp.{c,o}.
4243 * cppinit.c (initialize_builtins, cpp_start_read,
4244 cpp_handle_option): Update to use cpp_options structure.
4247 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4249 * c-common.c (time_char_table): Allow %#b and %#h.
4251 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4253 * reorg.c (find_end_label): If the basic block reorder pass moves the
4254 return insn to some other place try to locate it again and put our
4255 end_of_function_label there.
4256 * reorg.c (relax_delay_slots): Check if find_end_label created a
4257 new label that invalidates the current optimazation.
4259 2000-09-07 Catherine Moore <clm@redhat.com>
4261 * unroll.c (unroll_loop): Check for unconditional jumps
4262 to loop continuation. Delete if n_iterations is 1.
4263 (ujump_to_loop_cont): New routine.
4265 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4267 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4269 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4270 to handle multiword modes correctly. All callers and the declaration
4273 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4275 * c-common.h (prep_stmt): Declare.
4276 (lang_expand_stmt): Likewise.
4277 * c-decl.c (lang_expand_stmt): Remove.
4278 * c-semantics.c (lang_expand_stmt): Define.
4279 (prep_stmt): New function.
4280 (expand_stmt): Handle common statement types here.
4282 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4284 * configure.in (sh-*-linux*): Added.
4285 * configure: Rebuilt.
4286 * config/sh/t-linux: New file.
4287 * config/sh/sh.h (USERMODE_BIT): Define.
4288 (TARGET_USERMODE): Likewise.
4289 (TARGET_SWITCHES): New switches for the bits above.
4290 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4291 * config/sh/linux.h: New file.
4292 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4293 underscore on linux.
4294 (L_sdivsi3, L_udivsi3): Define for linux.
4295 (L_ic_invalidate): Define.
4296 * invoke.texi (SH Options): Document -musermode.
4298 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4300 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4301 CSE unless generating PIC.
4303 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4306 2000-09-06 H.J. Lu (hjl@gnu.org)
4308 * Makefile.in (clean_s1): Depend on stage_b.
4309 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4310 stage2. They are used for "make compare".
4312 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4314 Move statement-tree facilities from C++ to C front-end.
4315 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4316 (void_zero_node): New macro.
4317 (struct stmt_tree_s): New type.
4318 (stmt_tree): New typedef.
4319 (struct language_function): New type.
4320 (last_tree): New macro.
4321 (last_expr_type): Likewise.
4322 (walk_tree_fn): New typedef.
4323 (current_stmt_tree): New function.
4324 (begin_stmt_tree): Likewise.
4325 (add_stmt): Likewise.
4326 (finish_stmt_tree): Likewise.
4327 (statement_code_p): Likewise.
4328 (lang_statement_code_p): New variable.
4329 (walk_stmt_tree): New function.
4330 (STMT_IS_FULL_EXPR_P): New macro.
4331 * c-common.c (lang_statement_code_p): New variable.
4332 (c_common_nodes_and_builtins): Initialize void_zero_node.
4333 (statement_code_p): New function.
4334 (walk_stmt_tree): Likewise.
4335 * c-decl.c (language_function): Rename to ...
4336 (c_language_function): ... this. Include language_function.
4337 (push_c_function_context): Adjust accordingly.
4338 (pop_c_function_context): Likewise.
4339 (mark_c_function_context): Likewise.
4340 (current_stmt_tree): Define.
4341 * c-semantics.c (begin_stmt_tree): New function.
4342 (add_stmt): Likewise.
4343 (prune_unused_decls): Likewise.
4344 (finish_stmt_tree): Likewise.
4346 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4348 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4350 2000-09-06 Kazu Hirata <kazu@hxi.com>
4352 * calls.c: Fix formatting.
4354 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4356 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4358 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4360 Integrated preprocessor.
4362 * Makefile.in: Remove all references to c-parse.gperf,
4363 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4364 generating c-parse.c. Update dependencies.
4365 * c-parse.gperf, c-gperf.h: Delete.
4367 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4368 yy_lim, or yy_get_token. Don't define get_directive_line if
4370 * c-common.h: Add multiple include guard. Define RID values
4371 for every keyword in C, C++, and Objective C. Put all the
4373 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4374 * c-decl.c (c_decode_option): Handle -lang-objc here.
4375 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4376 (grokdeclarator): Adjust for new RID scheme.
4377 (extract_interface_info): New stub.
4378 * c-lang.c: Don't declare yy_cur or parse_options.
4379 (lang_init_options): Call cpp_init. Don't call
4381 (lang_init): Don't call check_newline if USE_CPPLIB.
4383 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4384 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4385 rendered unnecessary by new architecture. Move routines not
4386 shared with C++ to c-parse.in. Maintain a local idea of the
4387 line number. Handle C++ as well as C.
4388 [USE_CPPLIB]: Declare and register callbacks for #ident and
4389 for entering/leaving files.
4390 (init_c_lex, c_lex): Are now the entry points to this file.
4391 (check_newline): Break out directive handling to
4393 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4395 (readescape, parse_float): Overhaul.
4396 (lex_number, lex_string, lex_charconst): Break out of c_lex
4398 (get_fileinfo, update_header_times, dump_one_header,
4399 dump_time_statistics): New and/or moved here from C++.
4400 Support per-file data needed by C++ and per-header timing
4401 statistics (C++ only, at the moment).
4402 * c-lex.h: Update prototypes. Add multiple include guard.
4403 * c-tree.h (struct lang_identifier): Add rid_code field.
4404 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4406 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4407 reinit_parse_for_function and/or position_after_white_space.
4408 (save_filename, save_lineno): Look ahead before saving.
4409 (label -> identifier ':'): Save file and line before shifting ':'.
4410 (reservedwords): No need to call get_identifier.
4411 (init_parse, finish_parse, yyerror, yylex, yyprint,
4412 make_pointer_declarator): Are now here for C/ObjC.
4413 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4415 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4416 #pragma registry. Provide dummy implementation of that
4417 interface if !USE_CPPLIB.
4418 * c-pragma.h: Update to match.
4420 * flags.h: Add multiple include guard.
4421 (flag_detailed_statistics): Moved here from C++.
4422 * toplev.c: Define flag_detailed_statistics.
4424 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4426 * timevar.def (TV_CPP, TV_LEX): New.
4427 * timevar.h: Add multiple include guard.
4429 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4431 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4432 Initialize cpplib properly. Force lineno to 0 after first
4433 call to check_newline. Don't handle -lang-objc here.
4434 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4436 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4438 * rs6000.md: Correct function unit definitions for cr_logical and
4440 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4441 and use portable method for >=0 and floating point >=. Remove
4442 associated matchers.
4444 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4446 * extend.texi: Mark named return value extension as deprecated.
4448 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4450 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4453 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4455 * toplev.c (display_help): Fix thinko in documentation.
4457 * diagnostic.h (output_buffer::indent_skip): New fields.
4458 (output_indentation): New macro.
4460 * diagnostic.c (output_indent): New function.
4461 (output_set_prefix, clear_diagnostic_info): Use.
4462 (output_emit_prefix): Predict future indentation.
4464 2000-09-06 DJ Delorie <dj@redhat.com>
4466 * Makefile.in (stage_*): add more dependencies to ensure parallel
4467 builds build correctly
4469 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4471 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4472 not bootstrap-lean_f.
4474 2000-09-06 Andreas Schwab <schwab@suse.de>
4476 * mklibgcc.in: Emit rule for libgcc-stage-start.
4477 * Makefile.in (stage1-start, stage2-start, stage3-start,
4478 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4480 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
4482 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
4483 (update_equiv_regs): Likewise, except for the mn10200 kludge.
4484 (combine_regs): Likewise.
4486 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
4487 * cse.c: Include "basic-block.h".
4488 (struct table_elt): New field REGCOST.
4489 (CHEAP_REG): Delete macro.
4490 (COST): Return 0 for REGs.
4491 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
4492 (notreg_cost): Return 0 for appropriate SUBREGs.
4493 (COSTS_N_INSNS): Return N * 2.
4494 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
4496 (CHEAPER): Use new function preferrable.
4497 (insert): Initialize REGCOST member.
4498 (find_best_addr): Use approx_reg_cost for estimation of register
4500 (cse_insn): Likewise.
4501 * loop.c (iv_add_mult_cost): New function.
4502 (add_cost, shift_cost, mult_cost): Delete variables.
4503 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
4504 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
4505 Make code that detects autoinc opportunities slightly less optimistic.
4506 (simplify_giv_expr): If expression contains other reg that is also a
4507 giv, only increment benefit if this is the only use of that reg.
4508 (consec_sets_giv): Take that change into account.
4509 (combine_givs): Slightly more verbose output.
4511 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
4512 not the cost of an equivalent shift.
4513 * sh-protos.h (addsubcosts): Declare.
4514 * sh.c (addsubcosts): New function.
4515 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
4516 (RTX_COSTS): Tweak. Use addsubcosts.
4517 (ADDRESS_COST): Return higher cost for reg+reg addressing.
4519 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4521 * config/rs6000/rs6000.c (validate_condition_mode): New function.
4522 (branch_comparison_operator): Call validate_condition_mode to
4523 abort rather than returning 0.
4524 (branch_positive_comparison_operator): New function.
4525 (scc_comparison_operator): Call validate_condition_mode to abort
4526 rather than returning 0.
4527 (ccr_bit): Call validate_condition_mode. Update for
4529 (print_operand): Delete %C modifier. Update %E case
4530 to use EQ bit not SO bit.
4531 (rs6000_reverse_condition): New function.
4532 (rs6000_generate_compare): New function.
4533 (rs6000_emit_sCOND): New function.
4534 (rs6000_emit_cbranch): New function.
4535 (output_cbranch): The length of a long branch insn is
4536 now only 8 bytes. Add validate_condition_mode. Use
4537 rs6000_reverse_condition. Remove cror generation.
4539 * config/rs6000/rs6000.h: Update comments.
4540 (PREDICATE_CODES): Add new predicate. Update codes used
4541 by branch_comparison_operator and scc_comparison_operator.
4542 * config/rs6000/rs6000-protos.h: Add prototypes for
4543 new external functions.
4544 * config/rs6000/rs6000.md: Add new scheduling parameters
4545 for cr_logical instructions. Change length of branch
4547 (bCOND patterns): Call rs6000_emit_cbranch.
4548 (sCOND patterns): Call rs6000_emit_sCOND.
4549 (branch patterns): Change lengths to 4.
4550 (cr logical patterns): New.
4552 2000-09-06 Richard Henderson <rth@cygnus.com>
4554 * config/i386/i386.md (call_pop): Fix test for setting
4555 current_function_uses_pic_offset_table.
4556 (call, call_value_pop, call_value): Likewise.
4558 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4560 * timevar.c (timevar_add): Delete.
4561 (timevar_get): Also count time since the selected timer was
4562 last updated. Do not examine the timevar stack if the
4563 selected timer is standalone.
4565 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4567 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
4569 2000-09-05 Jason Merrill <jason@redhat.com>
4571 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
4572 for 'extern' arrays.
4574 2000-09-05 Richard Henderson <rth@cygnus.com>
4576 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
4577 Eliminate final copy from non-trapping case.
4578 (__divdf3, __divsf3): Likewise.
4580 2000-09-05 Richard Henderson <rth@cygnus.com>
4582 * config/ia64/ia64.md (mulhi3): Fix typo last change.
4583 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
4585 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
4587 * Makefile.in: Restructure bootstrap stages to allow clean
4588 restart after failure.
4590 2000-09-05 Richard Henderson <rth@cygnus.com>
4592 * config/ia64.md (movsi and movdi patterns): Allow moves from
4593 8-bit constants to AR registers.
4595 2000-09-05 Richard Henderson <rth@cygnus.com>
4597 * config/ia64/ia64.md (mulhi3): New.
4599 2000-09-05 Richard Henderson <rth@cygnus.com>
4601 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
4602 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
4603 Optimization Guide, minimum latency alternative.
4604 (__moddi3, __udivdi3, __umoddi3): Likewise.
4605 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
4607 2000-09-05 Bruce Korb <bkorb@gnu.org>
4609 * fixinc/fixincl.c (load_file): always read header files
4610 with sizes that are a multiple of the page size.
4611 & use libiberty's getpagesize for determining that.
4613 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
4615 * gcse.c (hash_string_1): Add prototype.
4616 * cse.c (canon_hash_string): Likewise.
4618 2000-09-04 Craig Newell <CraigN@ieee.org>
4620 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
4622 2000-09-04 Andreas Schwab <schwab@suse.de>
4624 * Makefile.in (STAGESTUFF): Remove libgcc.
4625 (stage1-start, stage2-start, stage3-start): Copy the contents of
4626 the libgcc directory explicitly.
4627 (mostlyclean): Clean libgcc.
4629 2000-09-04 Andrew Haley <aph@redhat.com>
4631 * dwarf2out.c: (stack_adjust_offset): New prototype.
4633 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
4635 * combine.c (make_extraction): Fix rtx_cost comparison to
4638 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
4640 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
4641 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
4642 Add '*' to insn pattern name.
4644 2000-09-04 Jakub Jelinek <jakub@redhat.com>
4646 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
4647 use posn - 1 to index into tokens array.
4648 (maybe_paste_with_next): Adjust caller.
4650 2000-09-03 Geoff Keating <geoffk@cygnus.com>
4652 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
4654 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
4655 (REGNO_REG_CLASS): Use symbolic register
4658 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
4660 * arm.c (final_prescan_insn): If the form of a jump insn isn't
4661 recognized, don't try to conditionally execute it.
4663 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
4665 * config/avr/avr.md ("*tablejump_lib"): New pattern.
4666 (call_value_insn): Right length claculation.
4667 (call_insn): Likewise.
4669 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
4671 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
4672 gas_output_limited_string, gas_output_ascii, output_movqi,
4673 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
4674 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
4675 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
4676 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
4677 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
4678 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
4679 Add "const" as needed to remove warnings.
4681 * config/avr/avr.c (avr_override_options, avr_init_once,
4682 function_prologue, function_epilogue, frame_pointer_required_p,
4683 class_likely_spilled_p, order_regs_for_local_alloc,
4684 avr_address_cost, avr_ret_register): Use K&R style arguments.
4685 (initial_elimination_offset, gas_output_limited_string):
4686 Remove ATTRIBUTE_UNUSED from the used arguments.
4687 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
4688 Use local variables src, dest, base to access operands[].
4689 Rename reg_dest to reg_src if that's what it is.
4690 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
4691 constants to LD_REGS if reg_was_0.
4692 (output_reload_insisf): Change arg 3 to insn length and set it.
4693 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
4694 access to 16-bit I/O register pairs.
4695 (avr_address_cost): Lower cost for the above case.
4696 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
4697 may be clobbered, also for LD_REGS.
4698 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
4701 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
4703 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
4704 macro to test_hard_reg_class function.
4705 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
4706 for loading immediate constants to LD_REGS.
4707 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
4710 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
4712 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
4713 * config/avr/libgcc.S: Lost part of the previous patch.
4715 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4717 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
4718 object before calling pthread_mutex_init.
4720 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
4722 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
4723 config/sh/crtn.asm: New files.
4724 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
4725 (crt1.o, crti.o, crtn.o): New targets.
4726 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
4728 * configure: Rebuilt.
4729 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4730 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
4731 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4732 Undefine for config/elfos.h to redefine.
4733 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
4735 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4737 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
4738 legitimize_pic_address, output_pic_addr_const): Declare.
4739 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
4740 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
4741 (TARGET_SWITCHES): New switch -mprefergot.
4742 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
4743 (PIC_OFFSET_TABLE_REGNUM): Define.
4744 (GOT_SYMBOL_TABLE): Likewise.
4745 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
4746 (ENCODE_SECTION_INFO): Define.
4747 (FINALIZE_PIC): New macros.
4748 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
4749 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
4750 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
4751 (prepare_move_operands): Call emit_pic_move or
4752 emit_pic_const_move if appropriate.
4753 (output_far_jump): For PIC, use braf and output long offset.
4754 (machine_dependent_reorg):
4755 (sh_expand_prologue): Save and initialize the PIC register.
4756 (sh_expand_epilogue): Restore it.
4757 (initial_elimination_offset): Account for it.
4758 (nonpic_symbol_mentioned_p): New function.
4759 (legitimize_pic_address): Likewise.
4760 (output_pic_addr_const): Likewise.
4761 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
4762 (call, call_value): Use them.
4763 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
4764 symPLT_label2reg): New expands.
4765 * invoke.texi (SH Options): Document -mprefergot.
4767 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
4769 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
4770 * gcse.c (hash_string_1): New function.
4771 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
4772 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
4773 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
4774 (canon_hash_string): New function.
4775 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
4776 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
4777 (fold_rtx): Use ASM_OPERANDS accessor macros.
4778 * emit-rtl.c (copy_insn_1): Likewise.
4779 * integrate.c (copy_rtx_and_substitute): Likewise.
4780 * stmt.c (expand_asm_operands): Likewise. Give an
4781 ASM_OPERANDS rtx the mode of the output reg being set from it.
4783 2000-09-01 Fred Fish <fnf@be.com>
4785 * fix-header.c (write_rbrac): Add putc and getc to list of
4786 functions to protect against prior definition as a macro.
4788 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
4790 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
4791 (c_size_type_node): Define.
4792 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
4793 * c-common.c (enum format_lengths, enum format_std_version,
4794 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
4795 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
4796 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
4797 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
4798 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
4799 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
4800 format_types): Define.
4801 (format_char_info, print_char_table, scan_char_table,
4802 time_char_table): Rearrange for new organization of information
4803 about format length modifiers and standard versions.
4804 (T_ST): Redefine to use c_size_type_node.
4805 (check_format_info): Obtain information about length modifiers and
4806 standard versions from tables. Adjust warning message wordings.
4807 Use the name from the user's program for `ll' and `hh' length
4808 modifiers in warning messages. Use more informative names for
4809 wanted types where available (for wchar_t, wint_t, size_t, signed
4810 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
4812 2000-09-01 Jim Wilson <wilson@cygnus.com>
4814 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
4815 * combine.c (distribute_notes): Handle REG_NORETURN.
4816 * rtl.c (reg_note_name): Add REG_NORETURN.
4817 * rtl.h (enum reg_note): Likewise.
4819 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
4821 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
4822 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
4823 (emit_predicate_relation_info): Handle conditional calls with
4825 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
4826 instead of ia64_file_start.
4827 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
4828 * config/ia64/ia64.md (safe_across_calls_all,
4829 save_across_calls_normal): New patterns.
4831 * loop.c (check_final_value): Check for biv use before checking for
4832 giv use. Check for both biv and giv uses. Always set last_giv_use
4833 if there is a giv use.
4835 2000-09-01 Richard Henderson <rth@cygnus.com>
4837 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
4838 (madddi3): Likewise.
4841 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4843 * expr.c (clear_storage): Don't use emit_move_insn unless
4844 either BLKmode or proper size.
4845 (store_constructor): Don't call clear_storage if REG of wrong size.
4847 * flow.c (init_propagate_block_info): Don't mark frame dead at end
4848 of function if returns wiht stack pointer depressed.
4850 2000-09-01 Andrew Haley <aph@redhat.com>
4852 * dwarf2out.c (stack_adjust_offset): New function.
4853 (dwarf2out_stack_adjust): Break out stack adjust logic into
4854 new stack_adjust_offset function. Look inside parallels and
4855 sequences for stack adjustments.
4857 2000-08-31 Jeff Law <law@cygnus.com>
4859 * arm.md: Use no_new_pseudos to determine when it is safe
4860 to create new pseudo registers.
4862 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
4863 when we can safely allocate new registers.
4865 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
4867 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
4868 so that CONCATs are not generated for ASMs.
4869 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
4870 not generating_concat_p.
4871 * function.c (pop_function_context_from): Reset
4872 generating_concat_p.
4873 (prepare_function_start): Likewise.
4874 * rtl.c (generating_concat_p): Define.
4875 * rtl.h (generating_concat_p): Declare.
4876 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
4878 2000-08-22 Philipp Thomas <pthomas@suse.de>
4879 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
4881 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
4884 2000-08-30 Greg McGary <greg@mcgary.org>
4886 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
4887 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
4888 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
4890 2000-08-30 Greg McGary <greg@mcgary.org>
4892 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
4893 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
4894 (TREE_INT_CST): New macro.
4895 * varasm.c (const_hash, compare_constant_1, record_constant_1):
4896 Use new macro TREE_INT_CST.
4898 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
4900 * contrib.texi: Add self.
4902 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
4904 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
4905 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
4908 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4910 * fixinc/gnu-regex.c: Don't define `const'.
4912 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4914 * expr.c (store_constructor): Allow variable bounds of array type.
4915 (expand_expr): Don't blow up if type is ERROR_MARK.
4916 * varasm.c (output_constructor): Don't access lower bound of array
4917 type unless need it if index is supplied (so it can be a variable
4918 if no index is supplied).
4919 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
4920 Other minor cleanups.
4922 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4924 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
4925 for compilations in stage 1 and subsequent stages, respectively.
4926 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
4927 * configure: Rebuilt.
4928 * x-vax, x-vax-gcc: Deleted.
4930 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
4932 * c-common.c (declare_function_name): Use func_id_node,
4933 function_id_node, and pretty_function_id_node. Do not make
4934 __func__ visible at file scope.
4935 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
4936 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
4937 (function_id_node, pretty_function_id_node, func_id_node): New
4939 * c-decl.c (init_decl_processing): Initialize function_id_node,
4940 pretty_function_id_node, and func_id_node.
4941 (c_make_fname_decl): Correct comment.
4943 * tree.h (struct tree_identifier): Constify pointer member.
4945 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
4946 * c-pragma.h (struct weak_syms): Constify name and value members.
4947 (add_weak): Constify arguments.
4949 * calls.c (special_function_p): Constify a char *.
4950 (expand_call): Remove variable which is initialized and then
4952 * dependence.c (struct def_use, struct induction, struct subscript):
4953 Constify 'variable' member.
4954 (get_low_bound, have_induction_variable): Constify char * argument.
4955 (find_induction_variable): Add braces to avoid dangling else.
4956 (classify_dependence): Constify char * arrays.
4957 * profile.c (output_func_start_profiler): Constify a char *.
4958 * stor-layout.c (finalize_record_size): Constify a char *.
4959 * tree.c (is_attribute_p): Constify a char *.
4960 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
4962 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
4963 for comprehensibility. Do not call get_identifier if we did
4964 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
4965 create temporary string constants, not ggc_alloc_string. No
4966 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
4967 char * to hold IDENTIFIER_POINTERs.
4969 2000-08-29 Richard Henderson <rth@cygnus.com>
4971 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
4974 2000-08-29 Richard Henderson <rth@cygnus.com>
4976 * reload.c (push_secondary_reload): Allow class == reload_class
4977 if we're using a reload_in/out pattern.
4979 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
4980 the half that does not conflict with the reload register.
4981 (reload_outti): Likewise.
4983 2000-08-29 Kazu Hirata <kazu@hxi.com>
4985 * reload.c: Fix formatting.
4987 * stmt.c: Fix formatting.
4989 * gcc.c: Fix formatting.
4991 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
4993 * flags.h (time_report, mem_report): New global flags.
4994 * toplev.c: Define time_report and mem_report.
4995 (f_options): Add -ftime-report and -fmem-report.
4996 (compile_file): Turn on time_report if quiet_flag is off.
4997 Call ggc_print_statistics at very end if mem_report is on.
4998 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5000 * ggc-common.c (ggc_print_statistics): Rename to
5001 ggc_print_common_statistics; all callers changed. Scale
5002 quantities above 10K to kilobytes and above 10M to megabytes.
5003 * ggc-page.c (ggc_page_print_statistics): Rename to
5004 ggc_print_statistics. Report memory consumed by internal data
5005 structures for each allocation bucket. Scale quantities above
5006 10K to kilobytes and above 10M to megabytes.
5007 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5008 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5009 Define tally_leaves always.
5010 (ggc_print_statistics): New function.
5011 * ggc.h: Adjust for renamed functions.
5013 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5015 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5016 output_movsisf instead of which_alternative.
5018 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5020 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5022 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5023 (avr_progmem_p): New prototype.
5024 (output_movsisf): Prototype declaration changed.
5025 (output_movqi): New prototype.
5026 (output_movhi): New prototype.
5027 (call_insn_operand): Likewise.
5028 (final_prescan_insn): Likewise.
5029 (avr_simplify_comparision_p): Likewise.
5030 (avr_normalize_condition): Likewise.
5031 (compare_eq_p): Likewise.
5032 (out_shift_with_cnt): Likewise.
5033 (const_int_pow2_p): Likewise.
5034 (output_reload_inhi): Prototype declaration changed.
5036 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5037 (ldi_reg_rtx): New. rtx for r31.
5038 (avr_init_stack): Initialize as "__stack".
5039 (function_prologue): Use it.
5040 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5041 (avr_mcu_name): Initialize as "avr2".
5042 (avr_enhanced_p, avr_mega_p): New variables.
5043 (mcu_types, avr_override_options): Handle all known MCU types.
5044 Also handle avr1 (only preprocess, assemble and link).
5045 (print_operand): Using of `%K' in output template removed.
5046 (out_movqi_r_mr): Optimized.
5047 (out_movhi_r_mr): Likewise.
5048 (output_movqi): New function.
5049 (output_movhi): Likewise.
5050 (out_movsi_r_mr): Optimized.
5051 (output_movsisf): Compute insn length for `adjust_insn_length'
5052 (out_movqi_mr_r): Optimized.
5053 (out_movhi_mr_r): Optimized.
5054 (adjust_insn_length): Use output_movsisf, output_movqi,
5055 output_movhi for insn length adjusting.
5056 (reg_unused_after): Use dead_or_set_p.
5057 (preferred_reload_class): Now havn't any restriction.
5058 (reg_was_0): New function.
5059 (io_address_p): Likewise.
5060 (const_int_pow2_p): Likewise.
5061 (output_reload_inhi): Likewise.
5062 (output_reload_insisf): Likewise.
5064 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5065 (LIB_SPEC): Use -lc for all supported devices.
5066 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5067 (AVR_MEGA): Define as avr_mega_p.
5068 (AVR_ENHANCED): New, define as avr_enhanced_p.
5069 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5070 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5071 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5072 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5073 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5074 (ASM_SPEC): Pass -mmcu=... to the assembler.
5075 Change all -DAVR_* to -D__AVR_*__.
5076 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5077 Rename library functions to start with two underscores.
5078 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5080 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5081 (SUPPORTS_WEAK): Likewise.
5082 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5083 register for loading constants to r0-r14.
5085 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5087 (*mov_r_sp): Removed. Handled by output_movhi.
5088 (*mov_sp_r): Likewise.
5089 (*mov_sp_r_no_interrupts): Likewise
5090 (*mov_sp_r_tiny): Likewise.
5091 (*movqi): Use output_movqi.
5092 (*reload_inqi): New.
5093 (*movhi): Use output_movhi.
5094 (*reload_inhi): New.
5095 (*negsi2): Optimized.
5096 (*negsf2): Likewise.
5097 Added peepholes (define_peephole2) for loading constants to r0-r14
5098 and for using `cpse' command.
5100 * config/avr/libgcc.S: Rename library functions to start with two
5102 Add support for enhanced core.
5103 (_moqhi3): Fix typo, now _modqi3.
5104 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5105 (__prologue_saves__): Remove test for stack adjust by 0.
5106 (__tablejump__): New.
5108 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5109 Add multilib support.
5111 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5113 * loop.c (prescan_loop): Don't check unknown_address_altered
5114 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5115 to loop_store_mems as necessary.
5116 (loop_invariant_p): Don't check unknown_address_altered
5117 or unknown_constant_address_altered.
5119 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5121 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5123 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5125 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5126 print just the filename.
5127 * cpplex.c (_cpp_run_directive): Add additional argument, the
5128 name to give the synthetic buffer. This defaults to
5129 translated "<command line>".
5130 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5132 (_cpp_define_builtin): New function.
5133 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5134 * cpphash.h: Update prototypes.
5136 * tradcpp.c (main): Process -D and -U simultaneously, in the
5137 order they appeared on the command line.
5139 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5141 * c-decl.c (define_label): Call warning_with_file_and_line and
5142 error_with_file_and_line instead of plain warning or error.
5144 * c-parse.in (label): Use save_filename/save_lineno to ensure
5145 correct values for calls to define_label.
5147 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5149 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5151 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5153 * tree.h (get_file_function_name): Remove two duplicate
5156 2000-08-28 Kazu Hirata <kazu@hxi.com>
5158 * tree.c: Fix formatting.
5160 * xcoffout.c: Fix formatting.
5162 2000-08-28 Jason Merrill <jason@redhat.com>
5164 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5166 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5168 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5169 break_out_includes if it won't do anything.
5171 2000-08-28 Richard Henderson <rth@cygnus.com>
5173 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5174 (find_reloads): Likewise.
5175 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5176 (reload_inhi): Likewise.
5178 2000-08-28 Richard Henderson <rth@cygnus.com>
5180 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5181 (call_insn_operand): Don't expect a surrounding mem.
5182 (constant_call_address_operand): Likewise.
5183 * config/i386/i386.h (PREDICATE_CODES): Update.
5184 * config/i386/i386.md (call patterns): Move the match_operand
5185 for the call destination inside the mem.
5187 2000-08-28 Richard Henderson <rth@cygnus.com>
5189 * local-alloc.c (requires_inout): Don't use reserved range for
5190 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5191 * recog.c (asm_operand_ok): Likewise.
5192 (preprocess_constraints, constrain_operands): Likewise.
5193 * regclass.c (record_reg_classes): Likewise.
5194 * reload.c (find_reloads): Likewise.
5195 * reload1.c (maybe_fix_stack_asms): Likewise.
5196 (reload_cse_simplify_operands): Likewise.
5197 * stmt.c (expand_asm_operands): Likewise.
5199 * md.texi: Update constraints documentation.
5200 * tm.texi (EXTRA_CONSTRAINT): Update.
5202 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5204 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5205 (print_die): If we don't know the offset of the
5206 target die, try the symbol. Add a trailing newline.
5207 (reverse_all_dies): New fn.
5208 (dwarf2out_finish): Call it.
5209 (break_out_includes): Reorganize for clarity.
5210 (add_sibling_attributes): Don't call reverse_die_lists.
5211 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5213 * flags.h: Add flag_eliminate_dwarf2_dups.
5214 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5216 2000-08-28 Jason Merrill <jason@redhat.com>
5218 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5219 * dwarf2out.c: #include "md5.h".
5220 (DIE_LABEL_PREFIX): New macro.
5221 (dw_val_struct): Add 'external' flag to val_die_ref.
5222 (add_AT_die_ref, AT_ref): Adjust.
5223 (AT_ref_external, set_AT_ref_external): New fns.
5224 (build_abbrev_table): Call set_AT_ref_external.
5225 (value_format): Call AT_ref_external.
5226 (die_struct): Add die_symbol field.
5227 (new_die): Clear it.
5228 (dwarf_tag_name): Handle BINCL/EINCL.
5229 (dwarf2out_start_source_file): Add BINCL DIE.
5230 (dwarf2out_end_source_file): Add EINCL DIE.
5231 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5232 (loc_checksum, attr_checksum, die_checksum): New fns.
5233 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5234 (compute_section_prefix, assign_symbol_names): New fns.
5235 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5236 (output_die): Call output_die_symbol and AT_ref_external.
5237 (output_comdat_comp_unit): New fn, split out from...
5238 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5240 (output_pubnames, output_aranges): Abort if we see entries from
5242 * toplev.h: Declare file_name_nondirectory.
5243 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5244 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5245 (debug_start_source_file): Call dwarf2out_start_source_file
5246 regardless of debug verbosity.
5247 (debug_end_source_file): Similarly.
5248 * tree.h: Declare clean_symbol_name.
5249 * tree.c (clean_symbol_name): Split out from...
5250 (get_file_function_name_long): ...here.
5252 * dwarf2out.c (new_loc_descr): Use calloc.
5253 (splice_child_die): Remove the die from the right parent.
5254 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5256 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5258 * toplev.c (decode_g_option): Don't give warning for unknown -g
5259 option; return 0 instead.
5260 (main): If -g option is not recognized by front end or
5261 language-independent code, give warning.
5263 2000-08-28 Greg McGary <greg@mcgary.org>
5265 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5266 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5267 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5269 2000-08-27 Greg McGary <greg@mcgary.org>
5271 * cpplex.c (parse_string): Don't look for backslash
5272 before first char in `namebuf'.
5273 * loop.c (strength_reduce): Skip NOTEs.
5275 2000-08-27 Jason Merrill <jason@redhat.com>
5277 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5278 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5279 TREE_ASM_WRITTEN, either.
5280 (finish_decl): Adjust.
5282 2000-08-28 Philipp Thomas <pthomas@suse.de>
5284 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5285 they have been incorporated into the gettext CVS. Change the text to
5286 reflect the current status of NLS. Add instructions for accessing
5287 the gettext CVS and add the patch from Martin v. Loewis.
5289 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5291 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5292 by using gen_lowpart_common.
5293 (movdi_internal64+6): Likewise.
5295 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5297 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5300 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5301 numbers to the ranges used by GDB.
5303 2000-08-25 Richard Henderson <rth@cygnus.com>
5305 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5306 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5307 (ia64_expand_prologue): Likewise.
5308 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5309 argument for stdargs.
5311 2000-08-25 Jason Merrill <jason@redhat.com>
5313 * integrate.c (expand_inline_function): Pull out the original decl.
5315 2000-08-25 Jim Wilson <wilson@cygnus.com>
5317 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5319 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5321 2000-08-25 Greg McGary <greg@mcgary.org>
5323 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5324 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5326 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5328 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5330 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5332 * i386.c (ix86_find_base_term): New.
5333 * i386-protos.h (ix86_find_base_term): Prototype.
5334 * i386.h (FIND_BASE_TERM): Define.
5335 * alias.c (find_base_term): Use it.
5336 * tm.texi (FIND_BASE_TERM): Document it.
5338 * alias.c (true_dependence, write_dependence_p): Unchanging
5339 memory can't conflict with non-unchanging memory.
5341 * alias.c (memrefs_conflict_p): A BLKmode reference
5342 to a symbol (or CONST_INT address) always conflicts
5343 with a reference to another symbol.
5345 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5347 * c-common.c (time_char_table): Don't allow width and flags with
5350 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5352 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5353 way as LT and LTU when the second operand has 0 in low word.
5355 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5357 * basic-block.h (struct loop): Rename `exits' field to
5358 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5360 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5361 (flow_loop_entry_edges_find): Add.
5362 (flow_edge_list_print): Rename from flow_exits_print.
5363 (flow_loops_find): Call flow_loop_entry_edges_find.
5364 (flow_loop_dump): Dump entry_edges list.
5365 (flow_loops_free): Free entry_edges.
5367 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5369 * loop.c (loop_dump_aux, debug_loop): New functions.
5370 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5372 * flow.c (flow_loops_dump): Add callback parameter.
5373 (flow_loop_dump): Add callback parameter and call it. Move
5374 loop note debugging code to loop_dump_aux.
5376 * basic-block.h (flow_loop_dump): Add callback parameter
5377 (flow_loops_dump): Likewise.
5379 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5380 to call to flow_loops_dump.
5382 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5384 * loop.c (count_loop_regs_set): Replace start and end arguments
5385 with loop argument. All callers udated.
5387 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5389 * loop.c (constant_high_bytes): Delete.
5391 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5393 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5394 and NOTE_INSN_LOOP_VTOP to...
5395 (find_and_verify_loops) ...here.
5397 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5399 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5400 (fini_dummy, init_dummy): Use it.
5402 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5404 * cpplex.c (is_macro_disabled): Caller has already checked
5405 that we're not a preprocessed file.
5407 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5409 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5410 (c-iterate.o): Remove target.
5411 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5412 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5413 (finish_decl): Don't handle iterators.
5414 (grokdeclarator): Likewise.
5415 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5416 * gcc/c-gperf.h: Regenerated.
5417 * gcc/c-iterate.c: Removed.
5418 * gcc/c-lex.c (init_lex): Don't handle iterators.
5419 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5420 (compstmt_primary_start): Remove push_iterator_stack call.
5421 (stmt): Don't allow iterator statements. Replace iterator_expand
5422 with expand_expr_stmt.
5423 (all_iter_stmt): Remove.
5424 (all_iter_stmt_simple): Likewise.
5425 (all_iter_stmt_with_decl): Likewise.
5426 * gcc/c-tree.h (ITERATOR_P): Remove.
5427 (ITERATOR_BOUND_P): Likewise.
5428 (init_iterators): Remove declaration.
5429 (iterator_expand): Likewise.
5430 (iterator_for_loop_start): Likewise.
5431 (iterator_for_loop_end): Likewise.
5432 (iterator_for_loop_record): Likewise.
5433 (push_iterator_stack): Likewise.
5434 (pop_iterator_stack): Likewise.
5435 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5436 (readonly_warning): Likewise.
5437 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5439 2000-08-24 Jim Wilson <wilson@cygnus.com>
5441 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5442 Copy type in a TYPE_DECL, just like pushdecl does.
5444 2000-08-24 Richard Henderson <rth@cygnus.com>
5446 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5448 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5450 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5451 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5452 the extras on the free list.
5453 (release_pages): Clean up.
5454 (ggc_set_mark): Don't adjust G.allocated here...
5455 (sweep_pages): ... do it here.
5457 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5459 * cppfiles.c (read_include_file): Rearrange initializations.
5461 2000-08-24 Richard Henderson <rth@cygnus.com>
5463 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5465 * config/ia64/ia64-protos.h: Update.
5466 * config/ia64/ia64.c (gr_register_operand): New.
5467 (fr_register_operand, grfr_register_operand): New.
5468 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5469 (grfr_reg_or_8bit_operand): New.
5470 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5471 use gr_register_operand.
5472 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5473 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5474 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5475 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5476 (fr_reg_or_fp01_operand): Likewise.
5477 (not_postinc_memory_operand): New.
5478 (ia64_split_timode): Remove unused variables.
5479 (rtx_needs_barrier): Check arguments to cmpxchg.
5480 (builtin_description): Remove.
5481 (bdesc_2argsi, bdesc_2argdi): Remove.
5482 (ia64_init_builtins): Declare all builtins directly.
5483 (ia64_expand_fetch_and_op): Rewrite to be called from
5484 ia64_expand_builtin directly. Use expand_binop and co.
5485 (ia64_expand_op_and_fetch): Likewise.
5486 (ia64_expand_compare_and_swap): Likewise.
5487 (ia64_expand_binop_builtin): Remove.
5488 (ia64_expand_lock_test_and_set): New.
5489 (ia64_expand_lock_release): New.
5490 (ia64_expand_builtin): Use them.
5491 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
5492 (EXTRA_CONSTRAINT): Use it.
5493 (PREDICATE_CODES): Update.
5494 * config/ia64/ia64.md (*): Use gr_register_operand and co.
5495 (mf): Indicate that we set memory as well as use it.
5496 (fetchadd_acq_si): Show memory being modified as well.
5497 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
5498 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
5499 (lock_test_and_set_si, lock_test_and_set_di): Remove.
5500 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
5501 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
5502 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
5503 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
5504 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
5505 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
5506 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
5507 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
5508 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
5509 return type. Pretty print definitions.
5511 2000-08-24 Jim Wilson <wilson@cygnus.com>
5513 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
5514 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
5516 2000-08-24 Jason Merrill <jason@redhat.com>
5518 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
5519 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
5520 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
5521 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
5523 2000-08-24 Greg McGary <greg@mcgary.org>
5525 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
5526 and extendtab within their proper array boundaries.
5527 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
5528 for the entire array.
5530 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
5531 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
5532 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
5533 * config/fr30/fr30.c (fr30_print_operand): Likewise.
5534 * config/i386/dgux.c (output_options): Likewise.
5535 * config/i386/dgux.h (ASM_FILE_START): Likewise.
5536 * config/m88k/m88k.c (output_options): Likewise.
5537 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
5538 * config/mcore/mcore.c (mcore_output_inline_const_forced,
5539 layout_mcore_frame, handle_structs_in_regs): Likewise.
5540 * config/mips/mips.c (output_block_move): Likewise.
5541 * config/rs6000/rs6000.c (rs6000_override_options,
5542 rs6000_file_start): Likewise.
5543 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
5544 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
5545 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
5546 * builtins.c (expand_builtin_setjmp): Likewise.
5547 * expr.c (safe_from_p): Likewise.
5548 * flow.c (life_analysis): Likewise.
5549 * fold-const.c (size_int_type_wide): Likewise.
5550 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
5551 * genattrtab.c (make_length_attrs): Likewise.
5552 * genopinit.c (gen_insn): Likewise.
5553 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
5554 * global.c (global_alloc): Likewise.
5555 * local-alloc.c (find_free_reg): Likewise.
5556 * mips-tdump.c (print_symbol): Likewise.
5557 * mips-tfile.c (parse_def, parse_input): Likewise.
5558 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
5559 * stmt.c (expand_nl_goto_receiver): Likewise.
5560 * stor-layout.c (set_sizetype): Likewise.
5561 * varasm.c (decode_reg_name): Likewise.
5562 * toplev.c (decode_f_option, decode_W_option,
5563 set_target_switch, print_switch_values): Likewise.
5564 (NUM_ELEM): Remove macro.
5565 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
5567 2000-08-24 Greg McGary <greg@mcgary.org>
5569 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
5570 (MAIN_NAME_P, main_identifier_node): New macros.
5571 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
5572 * c-decl.c (start_decl, grokdeclarator, start_function,
5573 store_parm_decls, finish_function): Use MAIN_NAME_P.
5574 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
5575 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
5576 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
5577 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
5579 2000-08-24 Greg McGary <greg@mcgary.org>
5581 * cppfiles.c (actual_directory): Don't write beyond `dir'
5582 when it contains "".
5583 * real.c (asctoeg): Stay within bounds of etens[][].
5585 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5587 * dependence.c (dependence_string, direction_string,
5588 dump_one_node, dump_node_dependence): Hide unused identifiers.
5589 (get_low_bound, normalize_coefficients): Match definition to
5591 (get_one_coefficient): Initialize variables `value0_is_idx' and
5593 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
5594 (ziv_test): Delete variable `idx', use parameter `sub' instead.
5595 (direction_merge): Avoid automatic aggregate initialization.
5596 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
5597 Initialize variables `dest_idx' and `src_idx'.
5598 (end_dependence_analysis): Avoid C89 style function definition.
5600 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
5602 * c-common.c (time_char_table): Don't allow width with %F.
5603 (check_format_info): Don't allow "Z" length with scanf.
5605 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
5607 * diagnostic.c (finish_diagnostic): Define.
5608 (output_do_printf): Use wrap_text instead of output_add_string.
5609 (default_print_error_function): Avoid embedded '\n'.
5611 * diagnostic.h (flush_diagnostic_buffer): Declare.
5613 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
5615 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
5617 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
5619 * Makefile.in (GCC_PASSES): Add specs.
5621 2000-08-23 Jim Wilson <wilson@cygnus.com>
5623 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
5624 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
5625 EHANDLER nor UHANDLER bit is set.
5626 (__get_except_table): Likewise.
5628 2000-08-23 Nick Clifton <nickc@redhat.com>
5630 * config/arm/lib1funcs.asm: Replace upper case condition codes
5631 with lower case versions.
5633 * config/arm/arm.h (STRUCT_VALUE): Define.
5634 (STRUCT_VALUE_REGNUM): Delete.
5636 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
5638 * cpphash.h (IN_I): New flag for directive table.
5639 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
5641 (_cpp_check_directive): If -fpreprocessed, execute directives
5642 marked with IN_I. Issue no warnings in this case.
5643 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
5645 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
5647 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
5649 (check_format_info): Support printf 'I' flag; warn about it with
5652 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
5654 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
5655 barrier can't be ignored by the alias analysis code.
5657 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
5659 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
5660 works inside fixincl.
5662 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
5664 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
5665 simplify_relational_operation() unless both operands are of
5667 * cse.c (fold_rtx): Likewise.
5669 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
5671 * rtlanal.c (rtx_unstable_p): The pic register is stable
5672 (within one function) and the actual rtx should be used
5673 when checking the registers.
5674 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
5676 * alias.c (true_dependence, write_dependence_p): Fix
5677 bug in previous patch.
5679 * i386.c (ix86_GOT_alias_set): New.
5680 (legitimize_pic_address): Use it.
5682 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
5683 only stable if its address is stable.
5684 (rtx_varies_p): An unchanging MEM can't vary if
5685 its address doesn't vary.
5687 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5689 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
5691 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5693 * vax.h (ASM_SPEC): Pass `-J' to assembler.
5694 * x-vax-gcc: New file for bootstrapping with gcc.
5695 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
5696 * configure.in: Use x-vax-gcc with gcc.
5697 * configure: Rebuilt.
5699 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5701 * toplev.c (rest_of_compilation): Rebuild label notes after
5702 post-reload splitting pass if new labels have been created.
5704 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5706 * diagnostic.h (output_buffer_state): New macro.
5707 * diagnostic.c (diagnostic_for_decl, sorry,
5708 default_print_error_function, output_do_verbatim,
5709 report_diagnostic, report_problematic_module): Use it.
5711 (output_format): Use wrap_text instead of maybe_wrap_text.
5713 2000-08-22 Nick Clifton <nickc@redhat.com>
5715 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
5716 Common code for ARM divide and modulus functions.
5717 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
5719 (FUNC_END): New macro: Common code at the end of the division and
5721 (THUMB_FUNCTION_START): New macro: Common code at the start of
5723 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
5725 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
5727 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
5729 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
5730 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
5733 2000-08-22 Nick Clifton <nickc@redhat.com>
5735 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
5736 restorative additions, test for bottom bits of IP being set,
5737 rather than relying upon the RORs not matching.
5740 2000-08-22 David Edelsohn <edelsohn@gnu.org>
5742 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
5743 text_section() as appropriate instead of emitting text csect
5745 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
5746 (UNIQUE_SECTION): Define macro.
5747 (ASM_OUTPUT_SECTION_NAME): Define macro.
5748 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
5749 on AIX if debugging and -fdata-sections always.
5751 2000-08-22 Steven King <sxking@uswest.net>
5753 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
5755 (LDBL_MAX): Same here.
5757 2000-08-22 Richard Henderson <rth@cygnus.com>
5759 * flow.c (tidy_fallthru_edge): Update b->end properly.
5761 2000-08-22 Stan Cox <scox@redhat.com>
5763 * Makefile.in (OBJS): Add dependence.o.
5764 * dependence.c: New file.
5766 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
5768 * calls.c (check_sibcall_argument_overlap_1): Adjust for
5770 (check_sibcall_argument_overlap): Likewise.
5772 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
5774 * invoke.texi (SH Options): Document -m4-nofpu,
5775 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
5776 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
5778 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
5780 * c-common.c (check_format_info): Give the 'some locales' warning
5781 for strftime %Ey rather than the unconditional 'only last 2 digits
5784 2000-08-22 Richard Henderson <rth@cygnus.com>
5786 * alias.c (init_alias_analysis): Do not register
5787 struct_value_incoming_rtx or static_chain_rtx as pointing
5790 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
5792 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
5794 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5796 * diagnostic.h (report_problematic_module): Declare.
5797 * diagnostic.c (report_problematic_module): New function.
5798 (report_error_function): Tweak.
5800 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5802 * stmt.c (expand_goto_internal, fixup_gotos): Only check
5803 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
5805 2000-08-21 Richard Henderson <rth@cygnus.com>
5807 * flow.c (calculate_global_regs_live): Mark frame pointer live
5808 everywhere before reload.
5810 2000-08-21 Jim Wilson <wilson@cygnus.com>
5812 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
5813 INTEL_EXTENDED_IEEE_FORMAT.
5814 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
5815 clear last two bytes of output FP value.
5817 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
5819 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
5821 2000-08-21 Jakub Jelinek <jakub@redhat.com>
5823 * unroll.c (loop_find_equiv_value): If ret is modified between
5824 insn and loop_start, ret might not be equivalent to reg.
5826 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
5828 * c-common.c (init_dollar_format_checking,
5829 maybe_read_dollar_number, finish_dollar_format_checking): New
5831 (dollar_arguments_used, dollar_arguments_count,
5832 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
5834 (check_format_info): Support $ formats for scanf and printf width
5835 and precision. Always increment format_chars to advance past the
5836 '*' of precision, not just when the format parameters are
5839 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5841 * mips.c (block_move_loop, expand_block_move,
5842 function_arg_partial_nregs, save_restore_insns, function_prologue,
5843 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
5845 (function_arg_advance, function_arg): Match argument to format
5848 2000-08-21 Nix <nix@esperi.demon.co.uk>
5850 * gcc.c (do_spec_1): Implement %j spec flag.
5851 Remove dead comment.
5853 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
5854 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
5855 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
5856 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
5858 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
5859 writable) instead of hardcoded value.
5861 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
5863 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
5866 * gcc.c (cc1_options): Do not process -o or run the assembler if
5868 * objc/lang-spec.h: Likewise.
5870 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
5872 * fixinc/fixincl.c (fix_with_system): Pipe the output of
5873 "external" fixes through `cat', to avoid truncating the input
5874 file by redirection.
5876 2000-08-21 Jakub Jelinek <jakub@redhat.com>
5878 * config/i386/i386.md (lea_general_1): Copy insn condition to split
5880 (lea_general_2, lea_general_3): Likewise.
5882 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5884 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
5885 warnings to user code.
5887 * c-lex.c (readescape, yylex): Likewise.
5889 * c-typeck.c (store_init_value, process_init_element): Likewise
5890 (c_expand_start_case): Format.
5892 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
5894 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
5896 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
5897 and linker_endian_spec to endian_spec.
5898 (ENDIAN_SPEC): Add %{EB} and %{EL}.
5899 (LINK_SPEC): Remove %{EB} and %{EL}.
5900 (ASM_SPEC): Likewise. Use %(endian_spec).
5902 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
5904 * c-tree.h (flag_hosted): Move declaration from here...
5905 * c-common.h (flag_hosted): ... to here.
5906 (flag_noniso_default_format_attributes): New declaration.
5907 * c-decl.c (flag_noniso_default_format_attributes): New variable.
5908 (c_decode_option): Set it appropriately for options choosing
5909 language standard variant.
5910 * c-common.c (init_function_format_info): Only provide default
5911 format attributes if flag_hosted. Only provide the gettext
5912 formats if flag_noniso_default_format_attributes. Update
5914 (check_format_info): Disable treatment of %a as a scanf flag in
5917 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
5919 * c-common.c (scan_char_table): Add 'w' to flags for all formats
5921 (check_format_info): Set 'wide' for scanf format widths. Warn for
5922 a zero scanf width. Make the check for writing into a constant
5923 object at the first level of indirection; at later levels, warn if
5924 any type qualifiers are encountered.
5926 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
5928 * reload.c (reload_inner_reg_of_subreg): New function broken out of
5930 (push_reload): Use reload_inner_reg_of_subreg.
5931 (combine_reloads): Do not combine reloads if the input reload
5932 is a SUBREG in which the inner part will need reloading.
5934 * global.c (global_alloc): Avoid passing dumpfile argument to
5936 * toplev.c (rest_of_compilation): Likewise.
5937 * reload.h (reload): Remove dumpfile argument. Callers changed.
5938 (debug_reload, debug_reload_to_stream): Move prototypes here.
5939 * rtl.h (reload): Remove dumpfile argument.
5940 * reload.c (debug_reload): Remove prototype.
5941 (debug_reload_to_stream): Likewise.
5942 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
5945 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5947 * diagnostic.c (context_as_prefix): Export.
5948 (need_error_newline): Remove.
5949 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
5950 (error_module_changed, record_last_error_module,
5951 error_function_changed, record_last_error_function): New functions.
5952 (initialize_diagnostics): Default intialize
5953 lang_diagnostic_starter, lang_diagnostic_finalizer.
5954 (init_output_buffer): Tweak.
5955 (file_name_as_prefix): New function.
5956 (announce_function, default_print_error_function,
5957 report_error_function, set_diagnostic_context): Tweak.
5959 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
5961 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
5962 condition expression.
5964 2000-08-20 Richard Henderson <rth@cygnus.com>
5966 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
5968 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
5970 * cppinit.c (cpp_init): Set global flag when called.
5971 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
5973 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
5975 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
5976 before `process_directive' so that newlines won't be missed
5978 (cpp_printf): Increment `print->lineno' when newline is emitted.
5980 * cppmain.c (cb_ident): Likewise.
5981 (cb_define): Likewise.
5982 (cb_undef): Likewise.
5983 (cb_include): Likewise.
5984 (cb_def_pragma): Likewise.
5985 (dump_macros_helper): Likewise.
5987 2000-08-20 Richard Henderson <rth@cygnus.com>
5989 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
5990 assigned before a loop.
5992 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
5993 (ashrsi3, lshrsi3): Likewise.
5995 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
5997 * c-lang.c: #include diagnostic.h
5998 (c_tree_printer): New function.
5999 (lang_init): Initialize lang_printer.
6001 * Makefile.in (c-lang.o): Depends on diagnostic.h
6003 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6005 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6007 * diagnostic.c (default_diagnostic_starter,
6008 default_diagnostic_finalizer): New functions.
6009 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6010 (pedwarn, pedwarn_with_file_and_line, error,
6011 error_with_file_and_line, fatal, warning,
6012 warning_with_file_and_line): Adjust call to report_diagnostic.
6013 (report_diagnostic): Rework.
6014 (set_diagnostic_context): New function.
6016 * diagnostic.h (struct diagnostic_context): New data structure.
6017 (diagnostic_message, diagnostic_argument_list,
6018 diagnostic_file_location, diagnostic_line_location,
6019 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6020 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6021 (set_diagnostic_context): Declare.
6022 (report_diagnostic): Change prototype.
6024 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6026 * fix-header.c (main): Initialize cpplib.
6028 2000-08-19 Michael Meissner <meissner@redhat.com>
6030 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6031 instructions in it before checking for indirect jumps.
6033 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6034 in a indirect jump as a potential for conditional execution.
6036 * d30v.h (d30v_init_expanders): Don't declare here.
6037 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6040 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6042 * cpp.texi: Add @section for assertions.
6044 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6046 * loop.c (scan_loop): Use CONST_CALL_P instead of
6047 checking for REG_LIBCALL / REG_RETVAL.
6049 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6051 * reload1.c (reload_as_needed): Accept dumpfile argument,
6052 pass it to emit_reload_insns.
6053 (emit_reload_insns): Add new dumpfile argument. If non-null
6054 then dump the reloads for each insn into the dumpfile.
6055 (reload): Pass dumpfile to reload_as_needed.
6057 * invoke.texi: Clean up linux-gnu vs linux comments.
6059 2000-08-19 Richard Henderson <rth@cygnus.com>
6061 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6062 (ia64_depz_field_mask): New.
6063 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6064 (PREDICATE_CODES): Update.
6065 * config/ia64/ia64.md: Update commentary.
6066 (depz_internal): New.
6067 (ashlsi3): Implement directly.
6068 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6069 (ashldi3): Use shladd.
6070 * config/ia64/ia64-protos.h: Update.
6072 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6074 * toplev.c (independent_decode_option): Always process -g.
6075 Remove third argument, now unused. Adjust caller to match.
6077 2000-08-18 Richard Henderson <rth@cygnus.com>
6079 * combine.c (make_compound_operation): Break after creating
6082 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6084 * cpplib.c (cpp_register_pragma_space): Just return if the
6085 namespace is already registered.
6087 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6089 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6090 constant amount. Do not generate ROTL instruction.
6092 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6094 * config/sh/elf.h: Do not include sh/sh.h.
6095 * config/sh/rtems.h: Likewise.
6096 * config/sh/rtemself.h: Do not include sh/elf.h.
6097 * configure.in: Get them included with `tm_file's.
6098 * configure: Rebuilt.
6100 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6101 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6103 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6105 * stor-layout.c (compute_record_type): Don't use mode of single
6106 field as mode of record if not integer mode of same type.
6108 * regmove.c (perhaps_ends_bb_p): New function.
6109 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6110 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6111 (fixup_match_1): Likewise.
6112 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6113 avoid signed/unsigned warnings.
6115 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6118 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6120 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6121 (_cpp_trigraph_map): Declaration moved from cpplex.c
6123 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6124 instead of 256. Use consistent test for designated initializers.
6125 (cpp_init): Initialize trigraph_map.
6126 (initialize_standard_includes, parse_option): Use memcmp
6129 * cpplex.c (init_trigraph_map): Remove.
6130 (trigraph_ok, trigraph_replace, lex_line): Refer to
6133 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6134 (do_unassert): Remove unused "next" local.
6136 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6138 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6140 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6143 2000-08-17 Richard Henderson <rth@cygnus.com>
6145 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6146 the first insn in a sequence.
6148 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6150 * alias.c (true_dependence, write_dependence_p): A read
6151 involving a label_ref or the constant pool doesn't create
6154 * rtl.h (unchanging): Improve documentation.
6156 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6158 * cse.c (insert_regs): Remove unused `regno'.
6160 2000-08-17 Neil Booth <NeilB@earthling.net>
6162 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6163 remove_dup_dirs. If qtail == brack, remove brack not
6165 (remove_dup_dir, remove_dup_dirs): New functions.
6167 2000-08-17 Neil Booth <NeilB@earthling.net>
6169 * cppinit.c (cpp_cleanup): Free include dir chains.
6170 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6171 (do_unassert): Free the assert with _cpp_free_definition.
6172 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6173 assertions. Make the node a T_VOID node.
6175 2000-08-17 Neil Booth <NeilB@earthling.net>
6177 * cppinit.c (path_include, append_include_chain):
6178 Remove 2nd parameter (struct cpp_pending *).
6179 (path_include, initialize_standard_includes, cpp_handle_option):
6180 Update callers appropriately.
6181 (cpp_handle_option): Use pend.
6183 2000-08-17 Neil Booth <NeilB@earthling.net>
6185 * cppinit.c (sort_options): Remove, put functionality in
6188 (initialize_builtins): Free memory.
6189 (cpp_start_read): Move init_IStable to cpp_init.
6191 * cpplib.h (cpp_init): New prototype.
6192 * cppmain.c (main): Call cpp_init.
6194 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6196 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6197 (rtx_unstable_p, rtx_varies_p): Process vectors.
6199 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6201 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6202 references to GLOBAL symbols. Use LOCAL where appropriate.
6204 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6206 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6207 use t-aix41 when host == target.
6209 2000-08-16 Richard Henderson <rth@cygnus.com>
6211 * reload.c (push_secondary_reload): Revert last change.
6212 If we use a reload_in/out pattern, make the when the same
6213 as the primary reload.
6214 (find_reloads): Likewise.
6216 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6218 * configure.in (libstdcxx-v3): Fix test.
6219 * configure: Regenerate.
6221 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6223 * calls.c (calls_function_1, expand_call): Only test
6224 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6225 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6227 2000-08-16 Richard Henderson <rth@cygnus.com>
6229 * combine.c (simplify_shift_const): Revert previous two
6230 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6231 before the main loop.
6233 2000-08-15 Richard Henderson <rth@cygnus.com>
6235 * combine.c (simplify_shift_const): Bound shift count when
6238 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6240 * calls.c (ECF_SP_DEPRESSED): New macro.
6241 (calls_function_1): Treat calling sp-depressed function as alloca.
6242 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6243 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6244 If sp-depressed, ensure block saves and restores SP.
6245 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6247 * function.c (keep_stack_depressed): New function.
6248 (thread_prologue_and_epilogue_insns): Call it.
6249 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6250 to print DECL_OFFSET_ALIGN.
6251 Print no-force-blk and transparent-union flags properly.
6252 * stmt.c (expand_goto_internal): Don't restore stack if last block
6253 and function returns with sp depressed.
6254 (fixup_gotos): Likewise.
6255 (save_stack_pointer): New function, from code in expand_decl.
6256 (expand_decl): Call new function.
6257 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6258 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6259 (save_stack_pointer): New declaration.
6261 * diagnostic.c (fatal_function): New variable.
6262 (set_fatal_function): New function.
6264 * diagnostic.h (set_fatal_function): New declaration.
6266 2000-08-15 William Cohen <wcohen@redhat.com>
6268 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6269 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6270 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6272 2000-08-15 Richard Henderson <rth@cygnus.com>
6274 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6276 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6278 * arm.c (arm_function_ok_for_sibcall): New function.
6279 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6280 * arm.md (call expanders): Don't check here for calls that can't
6283 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6285 * arm.md (splits generating cond_exec): Disable.
6287 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6289 * arm/linux-elf.h (text_section): Delete declaration.
6291 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6293 ARM support for unordered FP operations.
6294 * arm-protos.h (arm_comparison_operator): Declare.
6295 * arm.c (arm_comparison_operator): New function.
6296 (arm_select_cc_mode): Add unordered comparison codes.
6297 (get_arm_condition_code): Likewise.
6298 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6299 be done in one insn.
6300 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6301 * arm.md (all uses of comparison_operator): Replace with
6302 arm_comparison_operator.
6303 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6305 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6308 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6310 * gthr-posix.h: Conditionally include <sched.h>; include
6311 <config.h> from libobjc/.
6313 2000-08-14 Richard Henderson <rth@cygnus.com>
6315 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6318 2000-08-14 Richard Henderson <rth@cygnus.com>
6320 * configure.in (ia64-*): Set float_format for i386 long double.
6322 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6323 as we would for i386 XFmode.
6324 (PUT_REAL): Likewise.
6325 (endian, ereal_atof, real_value_truncate): Likewise.
6326 (ereal_isneg, toe64, etens, make_nan): Likewise.
6327 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6329 * config/ia64/ia64-protos.h: Update.
6330 * config/ia64/ia64.c (general_tfmode_operand): New.
6331 (destination_tfmode_operand): New.
6332 (tfreg_or_fp01_operand): New.
6333 (ia64_split_timode): New.
6334 (spill_tfmode_operand): New.
6335 (ia64_expand_prologue): Use TFmode not XFmode.
6336 (ia64_expand_epilogue): Likewise.
6337 (ia64_function_arg): Likewise.
6338 (ia64_function_arg_advance): Likewise.
6339 (ia64_return_in_memory): Likewise.
6340 (ia64_function_value): Likewise.
6341 (ia64_print_operand): Likewise.
6342 (ia64_register_move_cost): Set GR<->FR to 5.
6343 (ia64_secondary_reload_class): Get GR for TImode memory op.
6344 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6345 (ROUND_TYPE_ALIGN): Remove.
6346 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6347 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6348 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6349 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6350 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6351 (CLASS_MAX_NREGS): Likewise.
6352 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6353 (PREDICATE_CODES): Update.
6354 * config/ia64/ia64.md (movti): New.
6355 (movti_internal): Use a clobber for memory alternatives.
6356 (reload_inti, reload_outti): New.
6357 (movsfcc_astep): Predicate properly.
6358 (movdfcc_astep): Likewise.
6361 (extendsftf2, extenddftf2): New.
6362 (trunctfsf2, trunctfdf2): New.
6363 (floatditf2, fix_trunctfdi2): New.
6364 (floatunsditf2, fixuns_trunctfdi2): New.
6365 (addtf3, subtf3, multf3, abstf2): New.
6366 (negtf2, nabstf2, mintf3, maxtf3): New.
6367 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6369 (fr_spill): Use TFmode, not XFmode.
6370 (fr_restore): Likewise.
6371 * config/ia64/lib1funcs.asm (__divtf3): New.
6372 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6374 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6376 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6378 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6379 `U' integer constant suffix.
6381 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6384 * sparc/sol2.h (__enable_execute_stack): Prototype.
6386 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6388 * collect2.c: Remove use of AIX import file.
6390 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6392 * rs6000.c (print_operand, case 'E'): Add else.
6394 2000-08-14 Richard Henderson <rth@cygnus.com>
6396 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6397 (movdi_symbolic): New.
6399 2000-08-14 Jim Wilson <wilson@cygnus.com>
6401 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6402 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6403 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6406 2000-08-14 Richard Henderson <rth@cygnus.com>
6408 * expr.c (emit_group_load): Don't force constants into registers.
6409 Special case source already in the correct mode.
6411 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6413 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6414 * fixinc/inclhack.def: Likewise.
6415 * fixinc/mkfixinc.sh: Likewise.
6416 * configure: Regenerate.
6417 * fixinc/fixincl.x: Regenerate.
6418 * install.texi: Document equivalence of linux and linux-gnu.
6420 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6422 * cse.c (insert_regs): Also in REG case: When finding an invalid
6423 value, and we make a new quantity, make sure that it won't be
6424 mistaken by for a valid one by mention_regs.
6426 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6428 * h8300.md: Remove obsolete peepholes.
6430 2000-08-13 Kazu Hirata <kazu@hxi.com>
6432 * invoke.texi (H8/300 Options): Fix typos.
6433 * config/h8300.c: Fix formatting.
6434 * config/h8300.h: Fix comment typos.
6435 (OVERRIDE_OPTIONS): Fix formatting.
6437 * function.c: Fix formatting.
6439 * cse.c: Fix formatting.
6441 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6443 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6444 (attempt_auto_inc): Suppress parentheses warning.
6445 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6446 * loop.c (load_mems): Remove `u' suffix in two places.
6447 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6449 * config/rs6000/rs6000.h: Likewise.
6450 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6451 __eabi dummy routine.
6452 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6455 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6456 not put stuff in .sdata unnecessarily.
6457 (rs6000_unique_section): New function.
6458 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6459 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6461 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6462 arrays in C99. Don't try to look at DECL_REGISTER of a
6463 COMPONENT_REF. Don't complain twice about the same error.
6465 * fixinc/inclhack.def (aix_pthread): New fix.
6466 (aix_sysmachine): New fix.
6467 * fixinc/fixincl.x: Regenerate.
6469 * expr.c (expand_expr): Call convert_modes when turning a large
6470 multiply into a small one.
6472 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6474 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6475 the tree structure an exponent rather than an explicit alignment
6476 so it doesn't overflow.
6477 (SET_DECL_OFFSET_ALIGN): New macro.
6478 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6479 rather than DECL_OFFSET_ALIGN.
6480 (place_field): Likewise.
6481 * expmed.c (store_bit_field): Abort on align==0 to avoid
6482 antisocial machine behaviour.
6484 2000-08-12 Richard Henderson <rth@cygnus.com>
6486 * sibcall.c (uses_addressof): Accept both addressof and
6487 current_function_internal_arg_pointer inside a mem.
6488 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
6489 if current_function_uses_addressof.
6490 * stmt.c (expand_return): Kill tail recursion and HAVE_return
6493 2000-08-11 Richard Henderson <rth@cygnus.com>
6495 * config/ia64/ia64.md (addsi3): Remove expander.
6496 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
6497 (*addsi3_shladd): New.
6499 2000-08-11 Richard Henderson <rth@cygnus.com>
6501 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
6502 (do_restore): Likewise.
6503 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
6504 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
6505 (rtx_needs_barrier): Track actual bit manipulation for
6506 ar.unat moves, gr_spill, and gr_restore.
6507 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
6508 (process_set): Don't handle varargs spills.
6509 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
6510 .mem.offset here instead of in process_set.
6511 (gr_restore): Likewise.
6513 2000-08-11 Richard Henderson <rth@cygnus.com>
6515 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
6517 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
6519 * gcc.texi (The Configuration File): Document
6520 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
6521 UPDATE_PATH_HOST_CANONICALIZATION.
6523 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6525 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
6526 unprototyped function pointer casts on integer constants.
6528 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
6530 * fixproto: Recognize DOS paths with drive letters as absolute paths.
6532 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
6534 * extend.texi (Volatiles): Fix typos.
6536 2000-08-11 Kazu Hirata <kazu@hxi.com>
6538 * flow.c: Fix formatting.
6540 2000-08-11 Richard Henderson <rth@cygnus.com>
6542 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
6543 pattern, always allocate a tertiary scratch register.
6545 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
6546 (reload_inhi): Likewise.
6548 2000-08-11 Richard Henderson <rth@cygnus.com>
6550 * function.c (put_reg_into_stack): Allow type to be NULL.
6551 (schedule_fixup_var_refs): Likewise.
6552 (gen_mem_addressof): Allow decl to be NULL.
6553 (put_addressof_into_stack): Likewise.
6555 * flow.c (merge_blocks_nomove): Be more careful about
6556 locating the beginning of block A.
6558 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
6560 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6565 * config.in: Reverted the check for <sched.h>.
6567 2000-08-10 Chris Demetriou <cgd@sibyte.com>
6569 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
6570 macros define the name of CTOR and DTOR sections.
6571 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6572 DTOR_LIST_END): Change to use attributes to specify
6574 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
6575 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6576 DTOR_LIST_END): Same as in mips/elf.h.
6578 2000-08-10 Drew Moseley <dmoseley@redhat.com>
6580 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
6581 disabling just crt0.o.
6583 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
6585 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
6586 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
6587 (EXTRA_SPECS): Add them.
6588 * arm/lib1funcs.asm: Support builds for interworking.
6589 Use macros to eliminate duplicated pieces of code.
6591 2000-08-10 Kazu Hirata <kazu@hxi.com>
6593 * h8300.c (expand_a_rotate): New.
6594 (emit_a_rotate): Likewise.
6595 (h8300_adjust_insn_length): Add support for the rotate insns.
6596 * h8300.md (rotlqi3): New.
6597 (*rotlqi3_1): Likewise.
6598 (rotlhi3): Likewise.
6599 (*rotlhi3_1): Likewise.
6600 (rotlhi3): Likewise.
6601 (*rotlhi3_1): Likewise.
6602 * h8300-proto.h: Add prototypes for expand_a_rotate and
6605 * h8300.c: Fix comment typos.
6606 (dosize): Declare the variable amount as unsigned.
6607 (get_shift_alg): Fix a comparison between signed and unsigned.
6608 (emit_a_shift): Likewise.
6609 (h8300_adjust_insn_length): Simplify the code.
6611 * c-decl.c: Fix formatting.
6613 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6615 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
6616 warning about non-traditional numeric constant suffixes.
6618 * cppexp.c (parse_number): Likewise.
6620 * invoke.texi: (-Wtraditional): Document new behavior.
6622 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6624 * gthr-posix.h: Include auto-host.h. Conditionally include
6626 * configure.in: Check for the <sched.h> header file.
6627 * config.in: Added define for HAVE_SCHED_H.
6629 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6631 * c-typeck.c (process_init_element): For -Wtraditional, warn about
6632 initialization of unions.
6634 * invoke.texi (-Wtraditional): Document new behavior.
6636 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
6638 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
6639 instead of extra_c_flags.
6640 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
6641 * configure: Regenerate.
6642 * config.in: Regenerate.
6644 * cpperror.c (cpp_type2name): New function.
6645 * cpplex.c (lex_line): If we issued an error for an invalid
6646 preprocessing directive, discard that logical line.
6647 * cpplib.c (do_line): Call a hook function if the current file
6648 is renamed by #line.
6649 (do_ident): Pass the contents of the string, not the entire
6650 token, to the callback function.
6651 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
6652 (cb.rename_file): New hook function.
6653 (cb.ident): Adjust prototype.
6654 (cpp_type2name): Prototype.
6655 * cppmacro.c (dump_macro_args): Correct precedence lossage.
6657 * cppmain.c (cb_ident): Update for changed interface.
6658 (cb_rename_file): New function.
6659 (main): Set rename callback.
6661 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
6663 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
6664 multi-word registers.
6666 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
6668 * c-common.c (combine_strings, check_format_info): Refer to ISO C
6669 or ISO C89 instead of ANSI C.
6670 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
6671 build_enumerator, do_case): Likewise.
6672 * c-lex.c (parse_float, yylex): Likewise.
6673 * c-parse.in: Likewise.
6674 * c-typeck.c (common_type, build_array_ref, build_binary_op,
6675 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
6676 build_c_cast, convert_for_assignment, set_init_index,
6677 set_init_label, c_expand_start_case): Likewise.
6678 * toplev.c (documented_lang_options, display_help): Likewise.
6680 2000-08-08 Kazu Hirata <kazu@hxi.com>
6682 * h8300.c: Fix formatting.
6683 * h8300.h: Likewise.
6684 * h8300.md: Likewise.
6685 (movsi_h8300hs): Fix formatting of the resulting assembly code.
6687 * reload1.c: Fix formatting.
6689 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
6691 * alpha/alpha.c (alpha_emit_xfloating_libcall):
6692 Use GEN_CALL_VALUE define.
6693 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
6694 * clipper/clipper.md (untyped_call): Likewise.
6695 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
6696 * fx80/fx80.md (untyped_call): Likewise.
6697 * mips/mips.md (untyped_call): Likewise.
6698 * ns32k/ns32k.md (untyped_call): Likewise.
6699 * pa/pa.md (untyped_call): Likewise.
6700 * romp/romp.md (untyped_call): Likewise.
6701 * sparc/sparc.md (untyped_call): Likewise.
6703 2000-08-08 Jason Eckhardt <jle@cygnus.com>
6705 * config/i860/i860.c (singlemove_string): Do not generate assembler
6706 pseudo instructions that must be expanded (that is, with signed
6707 constants larger than 16 bits).
6709 2000-08-08 Richard Henderson <rth@cygnus.com>
6711 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
6712 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
6713 (init_propagate_block_info): Don't kill memory stores at -O0.
6714 (mark_set_1, mark_used_regs): Likewise.
6716 2000-08-08 David Edelsohn <edelsohn@gnu.org>
6718 * rs6000.c (optimization_options): Decorate 'level' as
6720 (mask64_operand): Remove sign-extend thinko.
6721 (rldic_operand): New function.
6722 (load_multiple_operation): regno's are unsigned ints.
6723 (store_multiple_operation): Likewise.
6724 (lmw_operation): Likewise.
6725 (stmw_operation): Likewise.
6726 (includes_lshift_p): shift_mask is unsigned int.
6727 (includes_lshift64_p): New function.
6728 (addrs_ok_for_quad_peep): unsigned int reg1.
6729 (print_operand): Consistently add "else" after
6730 output_operand_lossage().
6731 (print_operand, case 'b'): Fold in case 'W'.
6732 (print_operand, case 'W'): Print rldic MB value.
6733 (output_epilogue): Update Objective-C language string.
6734 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
6735 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
6736 * rs6000.md (ashldi3): Add rldic instruction.
6737 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
6738 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
6741 2000-08-08 Richard Henderson <rth@cygnus.com>
6743 * config/ia64/ia64-protos.h: Remove duplicates. Update
6744 for massive code rearrangements.
6745 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
6746 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
6747 (ia64_local_regs, ia64_need_regstk): Remove.
6748 (ar_ccv_reg_operand): New.
6749 (ia64_gp_save_reg): New.
6750 (struct ia64_frame_info): Combine most of the size elements;
6751 add new gr save elements.
6752 (find_gr_spill): New.
6753 (next_scratch_gr_reg): New.
6754 (mark_reg_gr_used_mask): New.
6755 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
6756 to GR backing store regs when possible.
6757 (ia64_initial_elimination_offset): New.
6758 (ia64_rap_fp_offset): Remove.
6759 (save_restore_insns): Remove.
6760 (setup_spill_pointers): New.
6761 (finish_spill_pointers): New.
6762 (spill_restore_mem): New.
6763 (do_spill, do_restore): New.
6764 (ia64_expand_prologue): Rewrite to use them.
6765 (ia64_expand_epilogue): Likewise.
6766 (ia64_direct_return): Update for current_frame_info changes.
6767 (ia64_function_prologue): Simplify .prologue emission. Emit
6769 (ia64_setup_incoming_varargs): Don't ever emit rtl.
6770 (ia64_dbx_register_number): New.
6771 (ia64_initialize_trampoline): New.
6772 (ia64_secondary_reload_class): Request GR_REGS for integer
6773 arithmetic destined for FR_REGS.
6774 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
6775 (ia64_mark_machine_status): Mark ia64_gp_save.
6776 (rws_access_regno): Rename from rws_access_reg; don't treat
6777 predicates specially.
6778 (rws_access_reg): New. Update all callers.
6779 (rtx_needs_barrier): Remove dead unspecs.
6780 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
6781 (ia64_encode_section_info): Silence signed/unsigned warnings.
6782 (spill_offset, sp_offset, spill_offset_emitted): Remove.
6783 (tmp_reg, tmp_saved): Remove.
6784 (process_set): Rewrite to expect complicated bits via
6785 REG_FRAME_RELATED_EXPR.
6786 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
6787 in the use of ar.ccv; never set RTX_UNCHANGING_P.
6788 (ia64_expand_op_and_fetch): Likewise.
6789 (ia64_expand_compare_and_swap): Likewise.
6790 (ia64_expand_builtin): Likewise.
6791 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
6792 (FIRST_PSEUDO_REGISTER): Update.
6793 (AR_M_REGNO_P): Update.
6794 (FIXED_REGS): Don't mark three local registers as used.
6795 (EXTRA_CC_MODES): New.
6796 (SELECT_CC_MODE): New.
6797 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
6798 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
6799 (FRAME_GROWS_DOWNWARD): Unset.
6800 (STARTING_FRAME_OFFSET): Zero.
6801 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
6802 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
6803 (HARD_FRAME_POINTER_REGNUM): New.
6804 (CAN_DEBUG_WITHOUT_FP): Define.
6805 (TRAMPOLINE_TEMPLATE): Remove.
6806 (TRAMPOLINE_SIZE): Lower to 32.
6807 (TRAMPOLINE_ALIGNMENT): Lower to 64.
6808 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
6809 (PREDICATE_CODES): Update.
6810 (struct machine_function): Add ia64_gp_save.
6811 * config/ia64/ia64.md: Purge unused unspecs.
6812 (movsi patterns): Allow moves to/from AR_M_REGS.
6813 (movdi patterns): Allow moves to/from p0.
6814 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
6815 (gr_spill, gr_restore): Indicate ar.unat read/written.
6816 (nonlocal_goto): Don't pass old frame_pointer.
6817 (nonlocal_goto_receiver): Remove.
6818 (exception_receiver): New.
6819 (builtin_setjmp_setup): New.
6820 (builtin_setjmp_receiver): New.
6821 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
6822 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
6823 (__ia64_restore_stack_nonlocal): Likewise.
6824 (__ia64_trampoline): New.
6825 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
6827 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
6829 2000-08-08 Richard Henderson <rth@cygnus.com>
6831 * frame.h (ia64_frame_state): Add my_psp.
6832 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
6833 (__throw): Pass it in. Don't clobber r7.
6834 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
6835 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
6836 and nothing to do with sp.
6837 (normalize_reg_loc): Use frame->my_psp.
6838 (frame_translate): Handle frame-pointer-less functions. Set
6839 spill_base correctly, in absence of being told.
6840 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
6841 (__ia64_backtrace_helper): New sp argument. Use
6842 builtin_return_address instead of label addresses.
6843 (print_record) [mem_stack_v]: No size member.
6845 2000-08-08 Richard Henderson <rth@cygnus.com>
6847 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
6849 2000-08-08 Richard Henderson <rth@cygnus.com>
6851 * tm.texi (LOCAL_REGNO): Document.
6852 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
6853 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
6854 * reload1.c (reload): Likewise when considering nonlocal labels.
6856 * config/ia64/ia64.h (LOCAL_REGNO): New.
6857 * config/sparc/sparc.h (LOCAL_REGNO): New.
6859 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
6861 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
6863 2000-08-07 Nick Clifton <nickc@redhat.com>
6865 * config/mips/mips.c: Fix compile time warning messages.
6866 * config/mips/mips-protos.h: Add prototype for equality_op.
6868 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
6870 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
6872 * mn10300.md: Use nonimmediate_operand instead of general_operand
6875 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
6877 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
6879 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
6880 * sh.c (expand_block_move): Break long lines.
6881 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
6882 * sh.md (mulsi3): Likewise.
6883 (movdi): Adjust spacing.
6885 2000-08-07 Richard Henderson <rth@cygnus.com>
6887 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
6888 * expr.c (emit_group_store): Don't set it.
6890 2000-08-07 Kazu Hirata <kazu@hxi.com>
6892 * invoke.texi (Options for Debugging Your Program or GCC): Remove
6893 duplicate entries for 'w' and 'z'.
6895 * flow.c: Fix a comment typo.
6897 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6899 * c-parse.in: Changed the language string for Objective-C to "GNU
6902 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6904 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
6905 to improve the Posix thread support for Objective-C.
6907 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
6909 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
6910 CTI_UNSIGNED_PTRDIFF_TYPE.
6911 (signed_size_type_node): Define.
6912 (unsigned_ptrdiff_type_node): Define.
6913 * c-decl.c (init_decl_processing): Create the
6914 signed_size_type_node and unsigned_ptrdiff_type_node types.
6915 * c-common.c (T_SC): Define.
6918 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
6919 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
6921 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
6922 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
6923 flags for %c, %s and %[.
6924 (check_format_info): Only allow leniency for signedness of targets
6925 of character pointers (when pedantic) for formats flagged with
6926 "c", so for strings but not for %hh formats. When pedantic, don't
6927 allow character pointers to substitute for void pointers if a
6928 second level of indirection is present.
6930 2000-08-06 Kazu Hirata <kazu@hxi.com>
6932 * invoke.texi (Options for Debugging Your Program or GCC): Update
6933 the names of dump files.
6935 * h8300.c (dosize): Rearrange code for conciseness.
6936 (split_adds_subs): Likewise.
6938 * loop.c: Fix formatting.
6940 * dwarf2out.c: Fix formatting.
6942 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
6944 * expr.c: Fix formatting.
6946 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6948 * rs6000.c (rs6000_maybe_dead): Prototype.
6950 2000-08-06 Richard Henderson <rth@cygnus.com>
6952 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
6953 HAVE_nonlocal_goto as well.
6954 * config/i960/i960.md (nonlocal_goto): Don't do it here.
6955 * config/pj/pj.md (nonlocal_goto): Likewise.
6957 2000-08-07 Michael Hayes <mhayes@cygnus.com>
6959 * loop.c (try_swap_copy_prop): New function.
6960 (load_mems): Rename copies to load_copies and add new regset
6961 store_copies. Check for sets of shadow registers and mark
6962 in store_copies. Call try_swap_copy_prop for registers
6963 marked in store_copies.
6965 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6967 * objc/objc-act.c: New command line option -fconstant-string-class
6968 to allow specifying a user defined constant string class,
6969 different from NXConstantString.
6971 * toplev.c: Moved the Objective-C specific options to
6972 objc/lang-options.h.
6974 * objc/lang-options.h: Moved the Objective-C specific options from
6975 toplev.c. Added -fconstant-string-class.
6977 2000-08-05 Chris Demetriou <cgd@sibyte.com>
6979 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6980 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
6981 __CTOR_LIST__ from func_ptr array to just func_ptr, to
6982 avoid extra alignment imposed on arrays.
6983 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6984 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
6986 * mips.h: Clean up comments and spacing near MASKs.
6987 (TARGET_UNIX_ASM): Delete.
6988 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
6989 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
6992 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
6994 * c-common.c (print_char_table): Add entries for the X/Open '
6995 format flag (print decimals with locale's thousands grouping
6996 character). Make %C expect wint_t.
6997 (check_format_info): If pedantic, warn when the %n$ operand
6998 number form is used. Allow for the ' flag; warn about it if
7001 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7003 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7004 type is a float mode, cfun->decl's return type is not, and
7005 TARGET_FLOAT_RETURNS_IN_80387.
7007 2000-08-04 Andreas Schwab <schwab@suse.de>
7009 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7010 token list, which are always `#' and `pragma'.
7012 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7014 * tree.c (tree_expr_nonnegative_p): Move to...
7015 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7016 (rtl_expr_nonnegative_p): New.
7017 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7019 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7020 CONST_DOUBLE_CHAIN: Move to...
7021 * rtl.h: ...here. Use XCINT/XCEXP.
7023 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7024 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7025 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7028 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7030 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7032 * config/c4x/c4x.md (return_indirect_internal): New.
7033 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7035 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7037 * c-common.c (time_char_table): Mark up formats added in C99 and
7038 make other corrections. %D and %g were added in C99. %Og is an
7039 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7040 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7041 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7042 %h was added in C99. %C was added in C99. %OY and %OC are
7043 extensions. Add the C99 format %F.
7044 (check_format_info): If pedantic and not in C99 mode, warn for C99
7047 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7049 * function.c (schedule_fixup_var_refs): New function, broken out
7050 of put_reg_into_stack.
7051 (put_reg_into_stack): Use it.
7052 (put_var_into_stack): In CONCAT case, fixup up references for
7053 components only after fixing up references to the whole concat.
7055 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7057 * alias.c (mark_constant_function): Use INSN_P.
7058 (init_alias_analysis): Likewise.
7059 * combine.c (combine_instructions): Use INSN_P.
7060 (can_combine_p): Likewise.
7061 (try_combine): Likewise.
7062 (distribute_notes): Likewise.
7063 (distribute_links): Likewise.
7064 * cse.c (cse_around_loop): Use INSN_P.
7065 (invalidate_skipped_block): Likewise.
7066 (cse_set_around_loop): Likewise.
7067 (cse_end_of_basic_block): Likewise.
7068 (delete_trivially_dead_insns): Likewise.
7069 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7070 (unshare_all_rtl_1): Likewise.
7071 (next_cc0_user): Likewise.
7072 (try_split make_insn_raw): Likewise.
7073 (remove_unnecessary_notes): Likewise.
7074 * final.c (shorten_branches): Use INSN_P.
7075 (leaf_renumber_regs): Likewise.
7076 (leaf_renumber_regs_insn): Likewise.
7077 * flow.c (find_label_refs): Use INSN_P.
7078 (verify_wide_reg): Likewise.
7079 (notice_stack_pointer_modification): Likewise.
7080 (count_or_remove_death_notes): Likewise.
7081 (verify_flow_info): Likewise.
7082 (clear_log_links): Likewise.
7083 * function.c (fixup_var_refs_insns): Use INSN_P.
7084 (compute_insns_for_mem): Likewise.
7085 * gcse.c (alloc_gcse_mem): Use INSN_P.
7086 (compute_sets): Likewise.
7087 (compute_hash_table): Likewise.
7088 (classic_gcse): Likewise.
7090 (insert_insn_end_bb): Likewise.
7091 (delete_null_pointer_checks_1): Likewise.
7092 * global.c (expand_preferences): Use INSN_P.
7093 (build_insn_chain): Likewise.
7094 * graph.c (node_data): Use INSN_P.
7095 * haifa-sched.c (priority): Use INSN_P.
7096 (rm_line_notes): Likewise.
7097 (rm_other_notes): Likewise.
7098 (find_insn_reg_weight): Likewise.
7099 (init_target_units): Likewise.
7100 (schedule_block): Likewise.
7101 (compute_block_forward_dependences): Likewise.
7102 (debug_dependencies): Likewise.
7103 (set_priorities): Likewise.
7104 * integrate.c (function_cannot_inline_p): Use INSN_P.
7105 (save_parm_insns): Likewise.
7106 (copy_insn_list): Likewise.
7107 * jump.c (mark_all_labels): Use INSN_P.
7108 (never_reached_warning): Likewise.
7109 * lcm.c (optimize_mode_switching): Use INSN_P.
7110 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7111 (memref_used_between_p): Likewise.
7112 (update_equiv_regs): Likewise.
7113 (block_alloc): Likewise.
7114 (no_conflict_p): Likewise.
7115 * loop.c (scan_loop): Use INSN_P.
7116 (find_and_verify_loops): Likewise.
7117 (count_loop_regs_set): Likewise.
7118 (loop_reg_used_before_p): Likewise.
7119 (strength_reduce): Likewise.
7120 (recombine_givs): Likewise.
7121 (check_dbra_loop): Likewise.
7122 (load_mems): Likewise.
7123 (try_copy_prop): Likewise.
7124 * print-rtl.c (print_rtx): Use INSN_P.
7125 * recog.c (find_single_use): Use INSN_P.
7126 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7127 (next_flags_user): Likewise.
7128 (swap_rtx_condition): Likewise.
7129 * regmove.c (mark_flags_life_zones): Use INSN_P.
7130 (optimize_reg_copy_1): Likewise.
7131 (optimize_reg_copy_2): Likewise.
7132 (optimize_reg_copy_3): Likewise.
7133 (reg_is_remote_constant_p): Likewise.
7134 (fixup_match_2): Likewise.
7135 (regmove_optimize): Likewise.
7136 (fixup_match_1): Likewise.
7137 * regrename.c (build_def_use): Use INSN_P.
7138 (replace_reg_in_block): Likewise.
7139 (consider_use): Likewise.
7140 * reload.c (find_equiv_reg): Use INSN_P.
7141 * reload1.c (reload): Use INSN_P.
7142 (maybe_fix_stack_asms): Likewise.
7143 (calculate_needs_all_insns): Likewise.
7144 (reload_as_needed): Likewise.
7145 (emit_output_reload_insns): Likewise.
7146 (delete_address_reloads_1): Likewise.
7147 (reload_cse_regs_1): Likewise.
7148 (reload_combine): Likewise.
7149 (reload_cse_move2add): Likewise.
7150 * reorg.c (redundant_insn): Use INSN_P.
7151 (dbr_schedule): Likewise.
7152 * resource.c (find_dead_or_set_registers): Use INSN_P.
7153 (mark_target_live_regs): Likewise.
7154 * rtlanal.c (reg_used_between_p): Use INSN_P.
7155 (reg_referenced_between_p): Likewise.
7156 (reg_set_between_p): Likewise.
7157 (reg_set_p): Likewise.
7158 (single_set): Likewise.
7159 (multiple_sets): Likewise.
7160 (find_last_value): Likewise.
7161 (reg_set_last): Likewise.
7162 (find_reg_note): Likewise.
7163 (find_regno_note): Likewise.
7164 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7165 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7166 * ssa.c (find_evaluations): Use INSN_P.
7167 (rename_block): Likewise.
7168 (rename_equivalent_regs): Likewise.
7169 * unroll.c (loop_find_equiv_value): Use INSN_P.
7170 (set_dominates_use): Likewise.
7171 * varasm.c (mark_constant_pool): Use INSN_P.
7172 (mark_constants): Likewise.
7173 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7174 (alphaev4_next_group): Likewise.
7175 (alphaev5_next_group): Likewise.
7176 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7177 (c4x_rptb_rpts_p): Likewise.
7178 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7179 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7180 (rs6000_adjust_priority): Likewise.
7181 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7182 (machine_dependent_reorg): Likewise.
7183 (split_branches): Likewise.
7184 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7186 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7188 * combine.c (recog_for_combine): Remove the old notes
7189 prior to attempting to recognize the new pattern.
7190 (distribute_notes): Ignore REG_NONNEG notes.
7192 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7194 * varasm.c (output_constructor): Add .align 0 for packed vars.
7196 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7198 * configure.in: Use default thread_file even when enable_threads is
7199 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7200 * configure: Rebuilt.
7202 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7204 2000-08-04 Donn Terry (donnte@microsoft.com)
7206 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7208 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7210 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7211 Delete code that conditionally modifies 'version'.
7212 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7213 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7214 * gcc.c (main): Use it.
7215 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7216 * prefix.c (update_path): Use it.
7217 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7218 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7219 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7221 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7222 (SUBTARGET_SWITCHES): Adjust.
7223 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7225 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7227 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7229 * c-common.h (flag_isoc94): Declare.
7230 * c-decl.c (flag_isoc94): Define.
7231 (c_decode_option): Set flag_isoc94 as appropriate.
7232 * c-common.c (T_PD, T_IM, T_UIM): Define.
7233 (format_char_info): Add tlen and jlen.
7234 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7236 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7238 (time_char_table): Add NULL entries for %t and %j.
7239 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7240 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7241 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7242 precision. Allow precision argument to be unsigned int. If
7243 pedantic, warn for %p passed an argument not a pointer to possibly
7244 qualified void or a possibly qualified character type, and for
7245 pointer targets of the wrong sign, except for character pointers.
7247 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7249 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7250 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7251 (wint_type_node): Define.
7252 * c-decl.c (WINT_TYPE): Define.
7253 (init_decl_processing): Create the wint_type_node type.
7254 * c-common.c (T_WI): Define.
7255 (print_char_table): Use T_WI for %lc format.
7257 2000-08-04 Bruce Korb <bkorb@gnu.org>
7259 * fixinc/: Verified that the MSDOS patch does not break
7260 the UNIX functionality and applied the next three patches
7263 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7265 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7266 output file with the temporary one by appending ".X" to generate
7267 the temporary fuile's name. If the output file already has an
7268 extension, replace it with ".X".
7270 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7271 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7272 reallocate the command buffer while copying the command-line
7273 argument. Redirect the output directly to the temporary file,
7274 instead of going through another temporary file.
7275 (process): Close the temporary file before unlinking it.
7276 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7277 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7278 (run_compiles): Pass p_fixd argument to machine_matches, as it
7281 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7282 environment, assume there are no symlinks in the include
7283 directory. When cleaning up the DONE files, look for them
7284 case-insensitively. Don't try to remove symlinks if they aren't
7287 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7288 all callers changed. Declare pz "const char *", to avoid compiler
7291 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7292 Change prototype of make_raw_shell_str.
7294 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7296 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7297 (initialize) [__MSDOS__]: Use tempnam.
7298 (initialize): Don't use SIGPIPE if it is not defined.
7300 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7303 2000-07-25 Bruce Korb <bkorb@gnu.org>
7305 * fixinc/fix*.[ch]: substantially reworked to make it possible
7306 to run this program without using fork(2) or pipe(2) (i.e. in
7309 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7311 * cppdefault.h (WINT_TYPE): Define.
7312 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7313 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7314 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7316 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7318 * (mips_legitimate_address_p): Don't allow register+offset
7319 if the offset is large and negative, and we are compiling
7320 for 64 bit registers.
7322 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7324 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7325 insn_code_number + 1.
7327 2000-08-04 Kazu Hirata <kazu@hxi.com>
7329 * h8300.c (function_prologue): Rearrange code for conciseness.
7330 (function_epilogue): Likewise.
7331 * h8300.h (OK_FOR_U): Fix formatting.
7333 * cse.c: Fix a comment typo. Fix formatting.
7335 2000-08-03 Richard Henderson <rth@cygnus.com>
7337 * config/i386/i386.md (return_indirect_internal): New.
7338 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7340 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7342 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7344 (lex_line): Glue @ onto the beginning of identifiers and
7345 string constants, in Objective-C mode.
7346 (output_token, spell_token): Handle CPP_OSTRING.
7347 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7348 beginning of a NAME or a STRING, in objc mode.
7350 * cpplib.c (get_define_node): Do not permit identifiers that
7351 begin with @ to be #defined.
7352 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7353 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7355 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7356 * c-tree.h (build_objc_string): Delete prototype.
7357 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7358 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7360 * c-parse.in, objc/objc-act.c: Update commentary.
7362 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7364 * extend.texi: Fix typo in last change.
7366 * extend.texi: Add commentary on statement-expressions and their
7367 interactions with C++.
7369 2000-08-03 Nick Clifton <nickc@cygnus.com>
7371 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7372 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7374 2000-08-03 Anthony Green <green@cygnus.com>
7376 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7377 (add_bound_info): Check for java language.
7378 (is_java): New function.
7379 * dwarfout.c (output_compile_unit_die): Ditto.
7380 * dwarf.h (dwarf_source_language): Add java source language type.
7381 * dwarf2.h (dwarf_source_language): Ditto.
7383 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7385 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7388 * i386.c (ix86_expand_branch): Mode of comparison in
7389 IF_THEN_ELSE is VOIDmode.
7391 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7393 * gengenrtl.c, rtl.c: Avoid #elif.
7395 2000-08-03 Michael Poole <poole@troilus.org>
7397 * tm.texi (Register Classes): Clarify order of sub-initializers
7398 in REG_CLASS_CONTENTS.
7400 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7402 From SAITOH Masanobu:
7403 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7405 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7407 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7408 is not supported by tradcpp and isn't actually needed for cygwin.
7410 2000-08-03 Kazu Hirata <kazu@hxi.com>
7412 * h8300.c: Fix a comment typo.
7413 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7415 * jump.c: Fix formatting.
7417 * toplev.c: Fix formatting.
7419 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7421 * flow.c (find_auto_inc): Verify that we've got a REG before
7422 peeking at its regno. Fail, don't abort if we can't find
7423 the increment of the desired register.
7425 * pa.md (shadd height reduction patterns/splitters): Remove.
7427 2000-08-02 Jim Wilson <wilson@cygnus.com>
7429 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7430 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7432 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7434 * dce.c: Remove all uses of assert.
7435 * dwarf2out.c: Likewise.
7436 * dwarfout.c: Likewise.
7439 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7441 * gcc.h (lang_specific_driver): Constify second argument.
7442 * gcc.c (translate_options, process_command, main): Likewise.
7443 Constify variables to match. Cast second argument to
7446 * cppspec.c, gccspec.c: Adjust type of second argument to
7447 lang_specific_driver, and update code as necessary.
7449 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7451 * loop.c (scan_loop): Ensure update_end label does not
7452 go away until reg_scan_update is run.
7454 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7456 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7457 * c-tree.h: ... not here.
7458 * errors.h: Prototype fancy_abort.
7460 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7461 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7462 * regrename.c (regrename_optimize): Make control flow explicit.
7463 (replace_reg_in_block): Initialize reg_use to 0.
7465 * i386.c (legitimate_address_p): Rename error label to
7466 report_error to avoid namespace clash.
7468 2000-08-02 Kazu Hirata <kazu@hxi.com>
7470 * fold-const.c: Fix formatting.
7472 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7474 * i386.c (legitimate_address_p): Accept other bases than
7475 pic_offset_table_rtx for GOTOFF constructs.
7477 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7479 * i386.md (shift to lea splitter): Use const_int_operand.
7481 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7483 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
7484 cppspec.c: Do not use 'legal' or 'illegal' in error messages
7487 * cppmain.c (cb_define, cb_undef): Don't generate any output
7488 if not done_initializing.
7489 * cpplex.c (maybe_paste_with_next): When the token after a ##
7490 is an omitted rest argument, only delete the token before it
7491 if that token is a comma. Do not warn about bogus token
7492 pastes for , ## rest_arg.
7495 * cpp.1: Regenerate.
7497 2000-08-02 Fred Fish <fnf@be.com>
7499 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
7500 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
7503 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
7504 Be directories to search path.
7506 Remove support for __declspec(dllimport) and __declspec(dllexport).
7507 This is leftover cruft from the earlier BeOS gcc port when BeOS
7508 used Microsoft's PE object file format.
7509 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
7510 * config/i386/t-beos (winnt.o): Remove Makefile frag.
7511 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
7512 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
7513 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7514 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
7515 (REDO_SECTION_INFO_P): Remove.
7516 (ASM_EXPORT_DECL): Remove.
7517 (ASM_DECLARE_FUNCTION_NAME): Remove.
7518 (ASM_DECLARE_OBJECT_NAME): Remove.
7519 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
7520 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
7521 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
7522 (STRIP_NAME_ENCODING): Remove.
7524 Remove support for obsolete version of BeOS that is no longer
7526 * configure.in (i*86-*-beospe*): Remove.
7527 * config/i386/beos-pe.h: Remove.
7529 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
7530 Mark Mitchell <mark@codesourcery.com>
7532 * Makefile.in (OBJS): Added dce.o.
7533 (ssa.o): Updated target to include ssa.h.
7535 (toplev.o): Likewise.
7536 (dce.o): Created target.
7537 * basic-block.h: Added comments.
7538 (INVALID_BLOCK): Added definition.
7539 (connect_infinite_loops_to_exit): Added declaration.
7540 Moved SSA declarations to ssa.h.
7541 * flow.c: Added inclusion of ssa.h.
7542 (struct depth_first_search_dsS, depth_first_search_ds):
7544 (compute_immediate_postdominators): Added definition.
7545 (connect_infinite_loops_to_exit): Likewise.
7546 (flow_dfs_compute_reverse_init): Likewise.
7547 (flow_dfs_compute_reverse_add_bb): Likewise.
7548 (flow_dfs_compute_reverse_execute): Likewise.
7549 (flow_dfs_compute_reverse_finish): Likewise.
7550 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
7551 (LABEL_P): Added definition.
7554 (BARRIER_P): Likewise.
7555 (JUMP_TABLE_DATA_P): Likewise.
7556 (INSN_DEAD_CODE_P): Likewise.
7557 * ssa.c: Replaced inclusions with ssa.h inclusion.
7558 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
7559 (rename_registers): Removed unnecessary variables.
7560 * ssa.h: Created by moving declarations from ssa.c and
7562 * timevar.def: Defined TV_DEAD_CODE_ELIM.
7563 * toplev.c: Added ssa.h inclusion.
7564 (dump_file_index): Added DFI_dce.
7565 (dump_file): Added "dce" entry.
7567 (f_options): Added dce entry.
7568 * invoke.texi: Document -fdce. Emphasize experimental status of
7572 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
7574 * cpperror.c (v_message): Split into _cpp_begin_message and
7575 v_message macro. All callers updated.
7576 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
7579 * cppfiles.c (cpp_syshdr_flags): New function.
7580 (read_include_file): Don't call cpp_output_tokens. Call
7582 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
7583 (cpp_reader_init): Don't initialize token_buffer. Call
7584 _cpp_init_internal_pragmas.
7585 (cpp_cleanup): Don't clear token_buffer.
7586 (cpp_start_read): Don't worry about output from -D processing.
7587 Don't call cpp_output_tokens.
7588 (cpp_finish): Don't dump macros here. Don't call
7590 * cppmacro.c (_cpp_dump_definition): Rename
7591 cpp_dump_definition. Write directly to a FILE *.
7592 (dump_funlike_macro): Delete.
7593 (dump_macro_args): New.
7595 * cpplex.c (TOKEN_LEN): Convert to inline function.
7596 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
7597 cpp_scan_line, _cpp_dump_list): Delete.
7598 (cpp_printf, cpp_output_list): New.
7599 (output_line_command): Don't worry about entering or leaving files.
7600 (cpp_scan_buffer): Just output each token as we hit it.
7601 (process_directive): Don't call cpp_output_tokens.
7602 (_cpp_glue_header_name): Don't use token_buffer.
7603 (output_token, dump_param_spelling): Write directly to a FILE *.
7605 * cpplib.c (pass_thru_directive, dump_macro_name,
7606 pragma_dispatch, do_pragma_gcc): Delete.
7607 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
7608 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
7610 (do_error, do_warning, pragma_dependency): Call
7611 _cpp_begin_message, then cpp_output_list.
7612 (cpp_register_pragma, cpp_register_pragma_space,
7613 _cpp_init_internal_pragmas): New.
7614 (do_pragma): Walk the pragmas table here.
7615 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
7616 do_pragma_dependency): Return void.
7617 (do_pragma_implementation): Moved to cppmain.c.
7619 * cpplib.h: Update prototypes.
7620 (struct cpp_reader): Remove printer, token_buffer,
7621 token_buffer_size, and limit. Add struct cb, and pragmas.
7622 (struct cpp_printer): Remove last_id and written.
7623 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
7624 CPP_ADJUST_WRITTEN): Delete.
7625 * cpphash.h: Update prototypes.
7626 (ufputs): New wrapper.
7628 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
7629 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
7630 (main): Set up callbacks. Register #pragma implementation.
7631 Dump macros from here.
7633 2000-08-01 Geoff Keating <geoffk@cygnus.com>
7635 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
7636 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
7637 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
7638 insns if they have a REG_MAYBE_DEAD note attached.
7639 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
7640 (rs6000_emit_load_toc_table): TOC loads may go dead.
7642 2000-08-01 Jim Wilson <wilson@cygnus.com>
7644 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
7645 type exists before using it. Use number of words as alignment
7647 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
7648 ia64_va_arg): Propagate ia64_function_args changes here.
7650 2000-08-01 Richard Henderson <rth@cygnus.com>
7652 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
7653 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7655 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
7657 From Joern Rennecke:
7658 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
7659 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
7660 unless TARGET_SH3E is set.
7661 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
7663 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
7664 (ashlsi3_std): New pattern.
7665 (ashlsi3 expander): Use it for TARGET_SH3.
7666 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
7668 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7670 * loop.c (canonicalize_condition): Use destination, not source to
7671 determine SET's mode.
7673 2000-07-31 Mark Mitchell <mark@codesourcery.com>
7675 * flow.c (clear_log_links): Fix typo.
7677 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
7679 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
7680 on targets which need more than one insn for a compare/cbranch
7683 2000-07-31 Jim Wilson <wilson@cygnus.com>
7685 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
7686 when computing offset.
7688 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
7690 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
7692 2000-07-31 Geoff Keating <geoffk@cygnus.com>
7694 * flow.c (clear_log_links): Nuke global_live_at_start and
7695 global_live_at_end data, since if the log_links stuff is invalid
7696 so is global_live_at_*.
7698 2000-07-31 Richard Henderson <rth@cygnus.com>
7700 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
7702 2000-07-31 Jakub Jelinek <jakub@redhat.com>
7704 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
7705 (_cpp_get_token): Don't macro expand a just pasted token if it
7706 was pasted at no_expand_level.
7708 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7710 * cppmacro.c (find_param, count_params, save_expansion):
7711 Permit 'defined' as a macro parameter name.
7713 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7715 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
7716 xcpp to cpp throughout.
7717 (native): Remove unnecessary dependency on cpp.
7719 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
7720 tradcpp to tradcpp0.
7721 (.i spec): Add missing output-file spec to cc1 command line.
7722 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
7724 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7726 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
7727 (implicit_decl_warning): New function.
7728 (implicitly_declare): Use it.
7729 * c-typeck.c (build_external_ref): Use implicit_decl_warning
7730 to complain about implicit decls of builtins.
7732 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
7733 based on pedantic && flag_isoc99, if not already set.
7734 * c-tree.h: Declare mesg_implicit_function_declaration.
7735 Prototype implicit_decl_warning.
7737 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
7739 * Makefile.in (ssa.o): Updated header files in dependences.
7740 * basic-block.h: Added compute_immediate_postdominators declaration.
7741 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
7743 * flow.c (compute_immediate_dominators): Updated comment.
7744 (compute_immediate_postdominators): Added definition.
7745 * rtl.h (HARD_REGISTER_P): Added definition.
7746 * ssa.c: Include additional header files.
7747 (assert): Added definition.
7748 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
7749 include select hard registers.
7750 (ssa_rename_to_insert): Likewise.
7751 (ssa_rename_from_initialize): Likewise.
7752 (ssa_rename_from_lookup): Likewise.
7753 (original_register): Likewise.
7754 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
7755 include select hard reigsters.
7756 (ssa_rename_from_traverse): Likewise.
7757 (ssa_rename_from_free): Likewise.
7758 (ssa_rename_from_print): Likewise.
7759 (ssa_rename_from_print_1): Likewise.
7760 (ssa_rename_from_hash_function): Likewise.
7761 (ssa_rename_from_equal): Likewise.
7762 (ssa_rename_from_delete): Likewise.
7763 (simplify_to_immediate_dominators): Removed in favor of
7764 flow.c:compute_immediate_dominators.
7765 (find_evaluations_1): Modified to work with hard registers.
7766 (insert_phi_node): Likewise.
7767 (insert_phi_nodes): Likewise.
7768 (struct rename_set_data): Updated prev_reg comment.
7769 (create_delayed_rename): Modified to work with hard registers.
7770 (RENAME_NO_RTX): Updated comment.
7771 (apply_delayed_renames): Modified to work with hard registers.
7772 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
7773 (rename_block): Updated to use revised ssa_rename_to interface.
7774 (rename_registers): Updated to use revised ssa_rename_to and
7775 ssa_rename_from interface.
7776 (convert_to_ssa): Revised to use compute_immediate_dominators and
7777 deal with hard registers.
7778 (make_regs_equivalent_over_bad_edges): Modified to work with hard
7779 registers. Added check for illegal unification of hard register.
7780 (make_equivalent_phi_alternatives_equivalent): Modified to work
7781 with hard registers.
7782 (compute_conservative_reg_partition): Likewise.
7783 (coalesce_if_unconflicting): Modified to work with hard registers
7784 and check for conflicting hard registers.
7785 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
7787 (rename_equivalent_regs_in_insn): Modified to work with hard
7789 (record_canonical_element_1): Added definition.
7790 (check_hard_regs_in_partition): Added definition.
7791 (convert_from_ssa): Added data structure deallocation and check
7792 for illegal hard register unification.
7793 (conflict_hard_regs_p): Added definition.
7794 * toplev.c (rest_of_compilation): Added comment.
7796 2000-07-31 Anthony Green <green@redhat.com>
7798 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
7800 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
7802 * builtins.c (expand_builtin_apply): Don't defer pop during
7805 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7807 * calls.c (combine_pending_stack_adjustment_and_call): Only use
7808 preferred_unit_stack_boundary when it is > 1.
7810 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
7812 * c-common.c (init_function_format_info): Add C99 format functions
7815 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
7816 void' or 'register void' as being the special case of 'void' alone
7817 in a parameter list.
7819 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
7820 discarding qualifiers into a plain warning.
7822 2000-07-31 Kazu Hirata <kazu@hxi.com>
7824 * combine.c: Fix formatting.
7826 * h8300.md: Fix formatting.
7828 * local-alloc.c: Fix formatting.
7830 * h8300.c (get_shift_alg): Remove the variable alg.
7831 (emit_a_shift): Rearrange code to improve readability.
7833 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
7835 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
7836 HImode on all architectures and a combination of HImode and SImode
7837 on H8/300H and H8/S.
7839 * h8300.c (split_adds_subs): Rearrange code for conciseness.
7841 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
7843 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
7846 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7848 * recog.c (extract_insn): Set operand_mode according to
7849 operand if match_operand is VOIDmode.
7851 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7853 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
7855 2000-07-31 Geoff Keating <geoffk@cygnus.com>
7857 * c-parse.in (extdefs): Call ggc_collect between external
7860 2000-07-30 Michael Hayes <mhayes@cygnus.com>
7861 Richard Henderson <rth@cygnus.com>
7863 * Makefile.in (OBJS): Add doloop.o.
7864 * doloop.c: New file.
7866 * final.c (insn_current_reference_address): Return 0 before final.
7867 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
7868 * jump.c (any_uncondjump_p): Likewise.
7869 * loop.c (indirect_jump_in_function): Make static.
7870 (strength_reduce): Call doloop_optimize.
7871 (insert_bct, instrument_loop_bct): Remove.
7872 * loop.h (doloop_optimize): Prototype.
7873 * recog.c (split_all_insns): Split all INSN_P.
7874 * toplev.c (flag_branch_on_count_reg): Default on.
7876 * config/c4x/c4x.c (c4x_optimization_options): Don't set
7877 flag_branch_on_count_reg.
7878 * config/i386/i386.c (override_options): Likewise.
7879 * config/rs6000/rs6000.c (optimization_options): Likewise.
7881 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
7883 (dbra_ge): Remove, as well as all it's splitters.
7885 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
7888 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
7889 (ia64_register_move_cost): Declare.
7890 * config/ia64/ia64.c (ar_lc_reg_operand): New.
7891 (struct ia64_frame_info): Add ar_size.
7892 (ia64_compute_frame_size): Set it.
7893 (save_restore_insns): Save and restore ar.lc.
7894 (ia64_register_move_cost): New, moved from header file. Handle
7895 application registers.
7896 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
7897 (emit_insn_group_barriers): Special case doloop_end_internal.
7898 (ia64_epilogue_uses): Mark ar.lc live at end.
7899 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
7900 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
7901 (FIRST_PSEUDO_REGISTER): Make room.
7902 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
7903 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
7904 (REG_ALLOC_ORDER): Update.
7905 (HARD_REGNO_MODE_OK): Update.
7906 (REGISTER_NAMES): Update.
7907 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
7908 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
7909 (REGNO_REG_CLASS): Update.
7910 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
7911 (REGISTER_MOVE_COST): Move out of line.
7912 (PREDICATE_CODES): Update.
7913 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
7914 (addsi3_plus1_alt, adddi3_plus1_alt): New.
7915 (shladd_elim splitter): Allow constants in the predicate.
7916 (doloop_end, doloop_end_internal): New.
7918 2000-07-30 Richard Henderson <rth@cygnus.com>
7920 * genattrtab.c (struct insn_def): Add lineno member.
7921 (struct insn_ent): Likewise.
7922 (struct attr_desc): Likewise.
7923 (struct delay_desc): Likewise.
7924 (struct function_unit_op): Likewise.
7925 (struct function_unit): Likewise.
7926 (check_attr_value): Use message_with_line.
7927 (check_defs): Likewise.
7928 (expand_units): Likewise.
7929 (check_attr_test): Take a lineno argument.
7930 (gen_attr): Likewise.
7931 (gen_insn): Likewise.
7932 (gen_delay): Likewise.
7933 (gen_unit): Likewise.
7934 (main): Give it to them.
7935 (convert_set_attr_alternative): Take an insn_def argument
7936 instead of num_alt and insn_index.
7937 (convert_set_attr): Likewise.
7938 (write_test_expr): Protect INSN_ADDRESSES load
7939 with INSN_ADDRESSES_SET_P.
7941 2000-07-30 Richard Henderson <rth@cygnus.com>
7943 * flow.c (init_propagate_block_info): Use pc_set.
7945 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7947 * i386.md (*lea_general_[123]) New insns and splits.
7948 (addsi3 to lea splitter): Handle other modes too.
7949 (shlsi3 to lea splitter): Likewise.
7950 (addhi_1_lea, shlhi_1_lea): New patterns.
7951 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
7953 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7955 * recog.c (general_operand, nonimmediate_operand): Accept
7956 any mode for VOIDmode CONSTANT_P operands.
7958 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7960 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
7961 instead of replace_rtx.
7962 * recog.c (validate_replace_rtx_subexp): New function.
7963 * recog.h (validate_replace_rtx_subexp): Declare.
7965 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
7967 * combine.c (simplify_set, make_extraction, make_compound_operation
7968 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
7969 as force_to_mode argument.
7971 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
7973 * combine.c (if_then_else_cond): Be sure that mode fits in
7976 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7978 * combine.c (record_promoted_value): Allow bitsize of mode
7979 to be equivalent to HOST_BITS_PER_WISE_INT.
7981 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7983 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
7984 Do not call gen_mode_alignment when mode is BLKmode.
7986 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
7988 * loop.c (express_from_1): Fix call of simplify_gen_binary.
7990 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7992 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
7993 VOIDmode implies both operands to be VOIDmode.
7994 (simplify_ternary_operation): Compute properly the mode of comparison.
7995 * combine.c (combine_simplify_rtx): Likewise.
7997 2000-07-25 Michael Hayes <mph@paradise.net.nz>
7999 * basic-block.h (struct loops): New field rc_order.
8000 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8001 (flow_loops_free): Free rc_order.
8002 (flow_depth_first_order_compute): New parameter rc_order.
8003 (flow_loops_find): Allocate rc_order and swap usage with
8006 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8007 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8009 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8010 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8011 (nodb_call, return_from_epilogue): Likewise.
8012 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8013 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8014 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8015 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8016 (c4x_valid_type_attribute_p): Likewise.
8017 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8018 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8020 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8022 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8023 and loadhi_big_constant if applicable.
8024 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8025 and add new splitter.s
8027 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8029 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8031 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8033 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8035 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8037 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8039 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8041 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8043 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8045 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8046 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8047 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8048 (get_prev_bb_note): Likewise.
8049 (remove_scope_notes): Likewise.
8050 * flow.c (commit_one_edge_insertion): Likewise.
8051 (merge_blocks_nomove): Likewise.
8052 (verify_flow_info): Likewise.
8053 * gcse.c (insert_insn_end_bb): Likewise.
8054 * reg-stack.c (emit_swap_insn): Likewise.
8055 * ssa.c (first_insn_after_basic_block_note): New function.
8056 (insert_phi_node): Use it.
8057 (rename_block): Likewise.
8058 (eliminate_phi): Likewise.
8059 (make_regs_equivalent_over_bad_edges): Likewise.
8060 (make_equivalent_phi_alternatives_equivalent): Likewise.
8061 (for_each_successor_phi): Likewise.
8062 (convert_from_ssa): Modify phi-node deletion algorithm.
8064 2000-07-29 Andreas Jaeger <aj@suse.de>
8066 * configure.in (mips*-*-linux*): Use mips*el to check for little
8067 endian MIPS, add tmake_file.
8069 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8070 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8071 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8073 2000-07-28 Richard Henderson <rth@cygnus.com>
8075 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8076 Sign extend mode size before negating.
8078 2000-07-28 Richard Henderson <rth@cygnus.com>
8080 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8082 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8084 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8085 (cse_insn): Likewise.
8086 (addr_affects_sp_p): Likewise.
8087 * expr.c (move_by_pieces): Likewise.
8088 (clear_by_pieces): Likewise.
8089 * gcse.c (oprs_unchanged_p): Likewise.
8090 * haifa-sched.c (sched_analyze_2): Likewise.
8091 * recog.c (offsettable_address_p): Likewise.
8092 * regclass.c (record_address_regs): Likewise.
8093 * reload.c (find_reusable_reload): Likewise.
8094 (push_reload): Likewise.
8095 (operands_match_p): Likewise.
8096 (decompose): Likewise.
8097 (find_reloads_address_1): Likewise.
8098 (find_inc_amount): Likewise.
8099 * reload1.c (elimination_effects): Likewise.
8100 * resource.c (mark_set_resources): Likewise.
8101 * flow.c (attempt_auto_inc): New function; mostly broken out
8103 (find_auto_inc): Split into two functions and enhanced to
8104 generate POST_MODIFY.
8105 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8106 * rtl.h (count_all_occurrences): Declare.
8107 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8109 * rtlanal.c (count_all_occurrences): New function.
8110 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8111 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8113 * config/ia64/ia64-protos.h (destination_operand): Declare.
8114 * config/ia64/ia64.c (destination_operand): New function.
8115 (ia64_print_operand): Handle POST_MODIFY.
8116 (rtx_needs_barrier): Likewise.
8117 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8118 (HAVE_POST_MODIFY_REG): Define to 1.
8119 (MAX_REGS_PER_ADDRESS): Change to 2.
8120 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8121 (LEGITIMATE_ADDRESS_REG): New helper macro.
8122 (LEGITIMATE_ADDRESS_DISP): Likewise.
8123 (PREDICATE_CODES): Add entry for destination_operand.
8124 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8125 predicate for operand 0.
8127 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8129 * dwarf2out.c: Indent #error directive.
8131 * gbl-ctors.h: Fix typo in comment.
8132 (__do_global_ctors): Prototype.
8134 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8136 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8137 (print_operand): Initialize variable `t'.
8139 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8141 * config/arm/arm.md ("call_value"): removed constraints.
8142 Constraints are ignored in expanders.
8143 (*call_value_reg): split =rf into various constraints.
8144 (*call_value_mem): same
8145 (*call_value_symbol): same
8146 (*sibcall_value_insn): same
8148 2000-07-28 Philipp Thomas <pthomas@suse.de>
8150 * install.texi (--enable-nls): Change the description of the NLS
8151 related configure options to match the current state.
8152 (--with-included-gettext): Likewise.
8153 (--enable-maintainer-mode): New description added.
8154 * extend.texi (-fstrict-prototype): Add missing '.'.
8156 2000-07-27 Jim Wilson <wilson@cygnus.com>
8158 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8159 DECL_INITIAL (decl) == NULL_TREE.
8161 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8163 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8164 on insn-attr.h with it.
8165 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8166 * insn-addr.h: New header.
8167 (insn_addresses_): Renamed from insn_addresses.
8168 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8169 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8170 INSN_ADDRESSES_NEW): New macros.
8171 * genattrtab.c (write_test_expr): Use new macros.
8172 * final.c (insn_addresses, init_insn_lengths): Likewise.
8173 (align_fuzz, shorten_branches): Likewise.
8174 (final): Likewise. Do not reject new insns if their addresses
8175 have been added to INSN_ADDRESSES.
8176 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8177 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8178 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8179 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8180 * config/sh/sh.c: Likewise.
8181 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8183 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8185 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8187 * gcc.c (struct prefix_list): Add member priority.
8188 (enum path_prefix_priority): Declare.
8189 (add_prefix): Replace ``first'' with ``priority''. Append new
8190 entry but keep list in priority order.
8191 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8192 PREFIX_PRIORITY_LAST to add_prefix.
8193 (process_command): Move include kludge - foo/stageN - to before
8196 2000-07-27 Jason Merrill <jason@redhat.com>
8198 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8199 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8201 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8203 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8204 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8206 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8208 * c-decl.c (finish_function): Don't treat 'main' specially unless
8209 flag_hosted. In C99 mode, return 0 from 'main' unless
8210 DEFAULT_MAIN_RETURN is otherwise defined.
8212 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8213 parameters defaulting to int in an old-style function definition.
8215 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8217 * c-parse.in (string): For -Wtraditional, warn about string
8218 concatenation only once per line.
8220 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8222 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8223 for HI-UX/WE2 systems.
8225 2000-07-24 Bruce Korb <bkorb@gnu.org>
8227 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8228 defining the __xxx_TYPE__ macros.
8229 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8230 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8231 * fixincl/inclhack.def(type_map): now obsolete
8233 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8235 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8237 2000-07-26 Dave Pitts <dpitts@cozx.com>
8239 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8241 (mvs_hash_alias): New function.
8242 (mvs_add_alias): Change argument spacing.
8243 (mvs_need_alias): Change aliasing criteria. Added documentation.
8244 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8245 CSECT name collisions.
8246 (mvs_check_alias): Likewise.
8247 (handle_pragma): Change documentation.
8248 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8249 mode from SImode to DImode.
8250 (iorhi3): Changed LTORG size for insn.
8252 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8254 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8255 mem if the address is a mode_dependent_address_p.
8257 2000-07-26 Kazu Hirata <kazu@hxi.com>
8259 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8260 suitable for 8-bit absolute.
8261 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8262 (OK_FOR_U): Add a case for the 8-bit constant address on the
8265 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8267 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8268 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8269 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8270 lack of implemented alignment.
8272 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8274 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8275 cross-compiling between 64-bit and 32-bit machines.
8277 2000-07-27 Richard Henderson <rth@cygnus.com>
8279 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8280 (movhicc_astep, movhi_internal_astep): New.
8281 (movsicc_astep, movsi_internal_astep): New.
8282 (movdicc_astep, movdi_internal_astep): New.
8283 (movsfcc_astep, movsf_internal_astep): New.
8284 (movdfcc_astep, movdf_internal_astep): New.
8285 (movxfcc_astep, movxf_internal_astep): New.
8286 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8287 Unify the cmov[ds]i splitters.
8289 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8291 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8293 2000-07-26 Nick Clifton <nickc@cygnus.com>
8295 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8296 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8298 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8299 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8301 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8303 * c-decl.c (finish_enum): Convert enumerations that fit in an
8305 (build_enumerator): In pedantic mode, cast to `int' those that
8308 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8310 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8312 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8314 * sh.md (cmpgtdi_t): Must be split.
8315 (cmpgtdi_t+1): New splitter.
8317 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8319 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8320 warnings for indented directives even if we are skipping.
8322 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8324 * invoke.texi (strict-prototypes): Remove.
8325 * extend.texi (Deprecated Features): Add strict-prototypes.
8326 (Backwards Compatibility): New node.
8328 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8330 * config/i386/i386.md (andsi_1+1): Allow HImode.
8331 (andsi_1+2): Require q_regs_operand.
8333 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8335 * config/i386/i386.md (call_pop): Check operands[0],
8336 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8338 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8339 (call_value): Likewise.
8341 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8343 * toplev.c (pipe_closed): Delete.
8344 (crash_signal): New. Generate ICE for a fatal signal.
8345 (float_signal): Call crash_signal outside a float-handler
8347 (main): Install crash_signal as handler for core-dumping signals.
8349 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8351 * rs6000.c (print_operand, case 'T'): New case.
8353 * rs6000.md (call_indirect_aix32): Convert to expander of
8354 scheduled instructions.
8355 (call_indirect_aix64): Likewise.
8356 (call_value_indirect_aix{32,64}): Likewise.
8357 (call, call_value): Invoke expanders for AIX. Fall through to
8359 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8360 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8361 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8362 only "g" constraint.
8363 (call_nonlocal_aix64): Likewise.
8364 (call_value_nonlocal_aix{32,64}): Likewise.
8365 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8367 (call_value_nonlocal_sysv): New pattern.
8368 (indirect_jump{si,di}): Use new 'T' modifier.
8369 (tablejump{si,di} matchers): Likewise.
8370 (return_internal_{si,di}): Likewise.
8371 (return_eh_{si,di}): Likewise.
8373 2000-07-24 Richard Henderson <rth@cygnus.com>
8375 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8376 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8377 * config/ia64/ia64.md (movdi_internal): Use it.
8379 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8381 * cppexp.c: Warn about unary + if -Wtraditional.
8382 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8384 2000-07-24 Michael Meissner <meissner@redhat.com>
8386 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8389 2000-07-24 Nick Clifton <nickc@cygnus.com>
8391 * config/arm/arm.c (emit_multi_reg_push): Generate a
8392 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8393 dwarf2out_debug_frame_expr.
8395 2000-07-24 Jason Merrill <jason@redhat.com>
8397 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8398 UNALIGNED_INT_ASM_OP.
8399 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8400 a location expression.
8401 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8402 assume indirect access if we're saving the CFA address exactly.
8404 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8406 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8408 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8411 2000-07-24 Michael Meissner <meissner@redhat.com>
8413 * invoke.texi (D30V Options): Add d30v options.
8415 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8417 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8418 needed by our gcse pass anymore.
8419 (free_pre_mem): Corresponding changes.
8420 (compute_pre_data): Do not call compute_transpout anymore.
8422 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8423 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8426 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8427 (compute_pre_data): Do it here instead.
8429 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8431 (pre_delete): Corresponding changes.
8433 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8435 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8436 to figure out whether or not a variable has already been emitted.
8438 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8440 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8441 instead of gen_call.
8443 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8445 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8447 2000-07-23 Kazu Hirata <kazu@hxi.com>
8449 * h8300.c: Fix formatting.
8451 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8453 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8454 for `long' switch expression into a plain warning.
8456 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8457 (yylex): Don't pedwarn for "inline" in C99 mode.
8459 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8461 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8462 ggc_alloc): Likewise.
8463 * bb-reorder.c (dump_scope_forest_1): Likewise.
8465 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8467 * reload.c (find_reloads_toplev): Add new parameter
8469 (find_reloads): Add new parameter to find_reloads_toplev calls.
8471 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8473 * collect2.c (main): Typo fixed.
8474 * diagnostic.c: Typo fixed.
8475 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8476 * eh-common.h: Typo fixed.
8477 * emit-rtl.c (start_sequence): Typo fixed.
8478 * flow.c (find_label_refs): Typo fixed.
8479 (calculate_global_regs_live): Typo fixed.
8480 (mark_regno_cond_dead): Typo fixed.
8481 (create_edge_list): Typos fixed.
8482 (verify_edge_list): Typo fixed.
8483 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
8484 * loop.c (strength_reduce): Typo in function name fixed.
8485 * rtl.h: Added comments. Typo in function name fixed.
8486 * rtlanal.c: Typo in function name fixed.
8487 (insn_dependant_p): Rename to ...
8488 (insn_dependent_p): ... this.
8489 (computed_jumo_p): Typo fixed.
8491 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8493 * system.h (__FUNCTION__): Wrap definition in #ifndef.
8495 2000-07-21 David Edelsohn <edelsohn@gnu.org>
8497 * rs6000.h (SIZE_TYPE): Define.
8499 2000-07-21 Mark Mitchell <mark@codesourcery.com>
8501 * ssa.c (rename_insn_1): Don't rename registers that are
8504 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
8506 * diagnostic.c (trim_filename, fancy_abort): Moved here from
8508 (fatal_function, set_fatal_function): Removed.
8509 (fatal): Don't prepare for or call the fatal_function.
8510 (diagnostic_lock, error_recursion): New.
8511 (diagnostic_for_decl, report_diagnostic): Guard against
8512 re-entering the error reporting routines.
8513 (fancy_abort): Assume function is not NULL.
8515 * errors.c (fancy_abort): New. Assume function is not NULL.
8516 * tradcpp.c (fancy_abort): Assume function is not NULL.
8518 * system.h: Provide default definition of __FUNCTION__.
8519 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
8520 Always use __FUNCTION__ in definition of abort.
8522 * varray.h: Likewise.
8523 * toplev.h: Likewise. Don't prototype set_fatal_function.
8525 2000-07-20 Geoff Keating <geoffk@cygnus.com>
8527 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
8529 * glimits.h: Don't do #if defined for ARCH_PPC.
8531 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
8532 constants of size no larger than a pointer should go in the TOC.
8533 Add 'MODE' parameter.
8534 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
8535 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
8536 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
8537 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
8538 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
8539 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
8540 (rs6000_legitimize_address): Likewise.
8541 (rs6000_emit_move): Likewise.
8542 (rs6000_select_rtx_section): Likewise.
8543 (output_toc): Deal properly with outputting small constants like
8544 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
8545 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
8546 MODE parameter. Put small constants in the TOC.
8548 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
8550 (rs6000_emit_move): When reload calls us with an illegitimate
8551 address, exit early. Move the change_address calls to one place
8552 at the end of the routine. Merge the SImode and DImode expanders.
8553 When called by reload to put an integer into a FP register, force
8556 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
8558 (rs6000_hash_constant): Hash mode too.
8559 (toc_hash_function): Allow for key_mode.
8560 (toc_hash_eq): Structures are different if key_mode differs.
8561 (output_toc): Add 'mode' parameter. Save key_mode.
8562 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
8563 Pass 'mode' parameter.
8564 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
8566 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
8567 for vtable references.
8569 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
8570 choice, don't put integer values in FP regs.
8572 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
8574 * flow.c (verify_flow_info): Revamp code to verify that the
8575 head and end of each basic block are in the insn chain.
8577 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
8579 * gcse.c (record_one_set): Prepend instead of append onto
8580 reg_set_table, making it O(n) instead O(n^2).
8581 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
8582 Use a queue instead of a stack as worklist.
8584 2000-07-20 Kazu Hirata <kazu@hxi.com>
8586 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
8587 * h8300.h (OK_FOR_T): New.
8588 (EXTRA_CONSTRAINT): Support OK_FOR_T.
8589 * h8300.md: Use inc/dec.[wl] for increment/decrement
8590 by 1 and 2 in HI and SI modes.
8592 2000-07-20 Jim Wilson <wilson@cygnus.com>
8594 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
8595 larger than 14 bits.
8597 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
8599 * cppmacro.c (CAN_PASTE_AFTER): New macro.
8600 (count_params): Don't set GNU_REST_ARGS on anything.
8601 (save_expansion): Set PASTE_LEFT only on tokens for which
8602 CAN_PASTE_AFTER is true, or which are named operators.
8604 * cpplex.c (parse_args): Distinguish between a rest argument
8605 given one empty argument, and a rest argument given zero arguments.
8606 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
8607 deletion of previous token based on that.
8608 (get_raw_token): Flatten some control structure.
8610 * cpplib.h (CPP_LAST_EQ): Correct.
8611 (VOID_REST): New token flag.
8612 (GNU_REST_ARGS): Delete.
8614 * tradcpp.c (main): Don't munge -D options.
8615 (make_definition): Bring -D handling in line with cpplib.
8616 (do_define): Strip all leading whitespace from macro definitions.
8618 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
8620 * Makefile.in (tradcpp): Depend on intl.o and version.o.
8622 2000-07-20 Bruce Korb <bkorb@gnu.org>
8624 * fixincl/check.tpl: strip the platform specific types before testing
8625 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
8626 * fixincl/fixincl.tpl: use platform specific types
8627 * fixincl/fixlib.h: include the platform specific types
8628 * fixincl/inclhack.def(gnu_types): don't supply the types
8629 * fixincl/fixincl.x: regen
8631 2000-07-19 Jim Wilson <wilson@cygnus.com>
8633 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
8636 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8638 * tradcpp.c (rescan): Do not recognize directives when the #
8641 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8643 Implement C++ named operators.
8645 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
8646 of operators allowed in #if and having an _EQ variant. Add
8647 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
8648 (cpp_token flags): Add NAMED_OP.
8649 (enum node_type): Add T_OPERATOR.
8650 (struct cpp_hashnode): Add code slot to value union.
8651 * cpphash.h (spec_nodes): Remove n_defined.
8653 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
8654 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
8655 (is_macro_disabled): Tweak error messages.
8657 * cpplib.c (get_define_node): Disallow all named operators as
8658 macro names. Tweak error messages.
8659 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
8661 * cppinit.c (builtin_array): Add entries for the named operators.
8662 * cppexp.c (lex): Check for CPP_DEFINED token.
8663 (priority table): Add entries for CPP_MIN and CPP_MAX.
8664 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
8666 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
8668 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
8669 larger than the array of cuids.
8670 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
8673 2000-07-19 Bruce Korb <bkorb@gnu.org>
8675 * fixinc/fixincl.c: Convert to using a table of environment variables
8676 and activate the auto-edit marker on the fixed output files.
8677 * fixinc/fixlib.h: Define the environment table
8678 * fixinc/fixincl.sh: export the ${INPUT} dir
8679 * fixinc/check.tpl: likewise
8681 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8683 * gcc.c (.h spec): Fix typo.
8685 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
8687 * Makefile.in: Fix tradcif.c path.
8689 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8691 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
8694 * cpphash.h (TOKEN_NAME): New macro.
8695 (_cpp_spell_operator): Deleted.
8696 (token_spellings): Now _cpp_token_spellings.
8698 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
8699 * cpplex.c: Use OP and TK macros when expanding the
8700 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
8701 store the stringification of the enumeration name (CPP_CHAR,
8702 etc.) in the name slot of token_spellings.
8703 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
8704 token_spellings directly.
8705 * cpplib.c: Use TOKEN_SPELL.
8707 * cpplex.c (_cpp_push_token): If the token being pushed back
8708 is the previous token in this context, just subtract one from
8710 * cppmacro.c (save_expansion): Clear aux field when storing a
8713 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8715 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
8716 buffer, provided it is not NULL.
8718 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
8720 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
8721 case of invalid volatile re-declaration.
8723 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8725 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
8726 (expand_call): Adjust caller.
8728 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
8730 * diagnostic.h (report_diagnostic): Change prototype.
8732 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
8733 diagnostic_for_decl): Change prototype.
8734 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
8735 error, warning, error_with_file_and_line,
8736 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
8737 Adjust call to report_diagnostic, diagnostic_for_decl.
8738 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
8739 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
8741 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
8742 varaible argument list.
8744 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
8746 * cpphash.c: Don't include hashtab.h. Most macro-handling code
8747 moved to cppmacro.c.
8748 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
8749 dump_hash_helper): Delete.
8750 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
8751 cpp_forall_identifiers): New. Implement specialized version of
8752 Vlad's expandable hash table.
8753 (cpp_lookup): Use new functions.
8754 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
8756 * cppmacro.c: New file.
8757 * cppinit.c (dump_macros_helper): New.
8758 (cpp_finish): Iterate over the identifier table directly.
8759 * cpplex.c (parse_name): Calculate the hash of the identifier
8760 while we scan it. Use _cpp_lookup_with_hash when we can.
8762 * cpphash.h: Update prototypes.
8763 (xcnewvec, HASHSTEP): New helper macros.
8764 * cpplib.h: Update prototypes.
8765 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
8766 (cppmacro.o): New rule.
8767 (cpphash.o): Update deps.
8769 * cppmain.c: Do not set pfile->printer if no_output is on.
8771 2000-07-15 Neil Booth <neilb@earthling.net>
8773 * cpplib.c: Change all directive-handler functions to return
8775 * cpphash.h: Update typedefs.
8777 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
8779 * configure: Regenerate.
8781 * extend.texi (Extended Asm): Mention that a memory clobber
8782 does not count as a side-effect.
8784 * unroll.c (copy_loop_body): Fix one instance of using host
8785 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
8788 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
8790 2000-07-17 Richard Henderson <rth@cygnus.com>
8792 * config/ia64/ia64.md (movdi): Split out load address code.
8793 New post-reload splitter for symbolic operands.
8794 (movdi_internal): Abort if we didn't split symbolic operands
8795 when we should have.
8796 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
8797 (ia64_reorg): Split insns when not optimizing.
8798 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
8800 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8802 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
8803 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
8805 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
8807 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
8809 2000-07-17 Jason Merrill <jason@redhat.com>
8811 * Makefile.in (clean): Remove libgcc directory.
8813 * configure.in (-Wno-long-long check): Use higher-level macros.
8815 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
8817 * simplify-rtx.c (simplify_binary_operation): Recognize
8818 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
8819 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
8820 a CONST_INT, it will always be zero.
8822 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
8824 * loop.c (check_dbra_loop) : Return if more than one condition is
8825 present to control the loop.
8827 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
8829 * mips.c (mips_expand_prologue): Don't calculate the last argument
8830 register unless we need it. When we are calculating this, make
8831 sure FUNCTION_ARG is giving us a REG.
8833 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8835 * flow.c (libcall_dead_p): Use single_set to verify the insn
8836 has only one set and get for analysis.
8837 (propagate_one_insn): Don't pass the PATTERN of the insn.
8839 2000-07-17 Mark Klein <mklein@dis.com>
8841 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
8843 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8845 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
8846 * configure.in (TARGET_GETGROUPS_T): Evaluate.
8847 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
8848 of second argument of getgroups.
8849 * configure, config.in: Rebuilt.
8851 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
8853 * simplify-rtx.c (simplify_relational_operation): Two signed
8854 values with equal high words are less/greater than each other if
8855 their low words are less/greater when considered as unsigned.
8857 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
8859 * configure.in (vax-*-openbsd): Change to new style configuration,
8860 add collect2/float_format information.
8861 * configure: Rebuilt.
8862 * config/vax/openbsd1.h: New.
8863 * config/vax/openbsd.h: New.
8864 * config/vax/t-openbsd: New.
8866 2000-07-17 Chip Salzenberg <chip@valinux.com>
8868 * c-common.c (shorten_compare): Quiet warnings about unsigned
8869 comparisons with zero when they occur in a system header.
8871 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
8873 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
8874 update to describe current practice.
8876 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
8878 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
8879 references to C9X. Change references to -fstd and -flang-isoc9x
8882 * c-common.c (scan_char_table): Allow "z" length modifiers on
8884 (check_format_info): Use TYPE_DOMAIN on the type matched against
8885 for "z" formats, to retrieve the language size_t rather than the
8888 * c-common.c (check_format_info): Do not make a pedantic objection
8889 to the 'L' length modifier if used with a floating point type
8892 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
8893 constants in C99 mode.
8895 2000-07-17 Kazu Hirata <kazu@hxi.com>
8897 * h8300.md: Fix the format of mac.
8898 (movsi_h8300hs): Output a tab after stmac instead of a space.
8900 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
8901 profitable adds/subs sequences.
8903 * fold-const.c: Fix comment typos.
8905 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
8907 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
8909 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8911 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
8913 2000-07-16 Neil Booth <NeilB@earthling.net>
8915 * cpplex.c: Update comments.
8916 * README.Portability: Small update.
8918 2000-07-16 Neil Booth <NeilB@earthling.net>
8920 * README.Portability: Small update.
8922 2000-07-15 Richard Henderson <rth@cygnus.com>
8924 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
8925 * config/ia64/ia64.c (ia64_move_ok): New function.
8926 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
8927 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
8929 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
8931 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
8932 immediately following a paste operator.
8933 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
8934 (cpp_reader_init): Call it, if HOST_EBCDIC.
8935 (cpp_handle_options): Do not sort option list here.
8936 (handle_option): Rename to cpp_handle_option and export.
8937 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
8938 _cpp_get_token directly.
8939 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
8940 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
8941 * cpplib.h: Prototype cpp_handle_option. Update prototype of
8944 2000-07-15 Richard Henderson <rth@cygnus.com>
8946 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
8947 cast around an expression. Tidy other unsigned tests.
8949 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
8951 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
8952 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
8953 (v_message_with_decl): Rename to ...
8954 (format_with_decl): ... this. Tweak
8955 (diagnostic_for_decl): New function.
8956 (fatal_io_error): Use verbatim in lieu of notice.
8957 (announce_function): Use verbatim.
8958 (default_print_error_function): Likewise.
8959 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
8962 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8964 * mips.c (function_arg_pass_by_reference): Don't do automatic
8965 aggregate initialization.
8966 (machine_dependent_reorg): Initialize variable `mode'.
8968 * mips.md (absdi2): Change variable `regno1' to unsigned int.
8969 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
8970 conflicts with sys/param.h macro of the same name.
8971 (reload_outdi): Likewise.
8973 2000-07-15 Michael Meissner <meissner@redhat.com>
8975 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
8976 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
8977 create a new node instead.
8979 2000-07-15 Neil Booth <NeilB@earthling.net>
8981 * README.Portability: Correct example about calling a function
8982 through a pointer to function. Format wide paragraphs.
8984 2000-07-15 Michael Meissner <meissner@redhat.com>
8986 * README.Portability: Update integer suffixes and function
8989 2000-07-15 Neil Booth <NeilB@earthling.net>
8991 * README.Portability: Small update.
8993 2000-07-15 Neil Booth <NeilB@earthling.net>
8995 * README.Portability: New file.
8997 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
8999 * INSTALL: Give special instructions for building GCC on Irix 6.
9000 * config/mips/x-iris6 (CC): Don't set it.
9003 2000-07-14 Jason Merrill <jason@redhat.com>
9005 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9006 register in the stack and later in another register, use the new
9009 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9011 * config/mips/mips.md: (absdi2): Handle sign_extend for
9014 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9016 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9018 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9020 * .cvsignore: Correct typo.
9022 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9024 * .cvsignore: Add generated YACC files.
9025 * objc/.cvsignore: New file.
9027 2000-07-14 Neil Booth <NeilB@earthling.net>
9029 * cpplex.c (adjust_column): New funcion.
9030 (skip_whitespace): Use it.
9031 (skip_block_comment): Use it, and warn about /*/* with
9034 2000-07-14 Neil Booth <NeilB@earthling.net>
9036 * cpphash.c (struct macro_info): Add new members.
9037 (_cpp_free_definition): Delete the macro directly.
9038 (count_params): Return void, with first token of
9039 expansion in struct macro_info on success.
9040 (parse_define): Return int. Hoist syntax checking from
9041 save_macro_expansion. Leave call to save_expansion to
9042 _cpp_create_definition.
9043 (alloc_macro): Needs just 2 arguments.
9044 (free_macro): Delete.
9045 (save_expansion): Don't perform syntax check.
9046 (_cpp_create_definition): Call save_expansion.
9048 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9050 * genrecog.c (write_header): Split long string.
9052 * cpphash.c (macro_info): Don't use the `signed' keyword.
9054 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9056 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9058 * calls.c (stored_args_map): New variable.
9059 (check_sibcall_argument_overlap_1): New.
9060 (check_sibcall_argument_overlap): New.
9061 (expand_call): Initialize stored_args_map.
9062 Call check_sibcall_argument_overlap.
9064 2000-07-13 Bruce Korb <bkorb@gnu.org>
9066 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9067 (emit_gnu_type): utility procedure for gnu_type_fix
9068 (gnu_type_fix): implement various pre-processor guards around
9069 standard types so these types can be defined over and over
9070 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9071 types alluded to above will have GNU-compliant base types
9072 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9073 * fixinc/inclhack.def: add test_text entries and utilize the new
9074 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9075 * fixinc/fixincl.x: regenerate
9077 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9079 * diagnostic.c (vline_wrapper_message_with_location,
9080 v_message_with_file_and_line, v_error_with_file_and_file,
9081 v_error_for_asm, v_warning_for_asm, vfatal,
9082 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9083 vsorry, verror, vwarning, vpedwarn): Remove.
9084 (diagnostic_for_asm): New function.
9085 (pedwarn, error, warning, pedwarn_with_file_and_line,
9086 error_with_file_and_line, warning_with_file_and_line, sorry,
9087 error_for_asm, warning_for_asm, fatal): Reimplement.
9088 (finish_diagnostic): Clear diagnostic info as well.
9090 2000-07-13 Neil Booth <NeilB@earthling.net>
9092 * c-common.h (flag_digraphs): New.
9093 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9094 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9097 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9099 * gcc.c (do_spec_1): Add new %B operator.
9100 (set_input): Prepare for %B.
9102 (link_command_spec): Move up with the other tm.h-
9103 overrideable specs. Factor out the portion conditional on
9104 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9105 (struct compiler): Just have a single spec string. All users
9107 (default_compilers): Remove unnecessary braces.
9108 (static_specs): Update.
9110 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9112 (C and assembly specs): Use the new named specs, as appropriate.
9114 * objc/lang-specs.h: Use the new named specs.
9115 Remove unnecessary braces.
9117 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9119 * gcc.c (execute): If a subprocess gets a fatal signal, report
9120 strsignal() of the signal number, and ask for a bug report.
9121 Do not do this for SIGPIPE if there's already been an error.
9123 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9126 * tradcif.c: Remove.
9128 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9130 * final.c (profile_function): Do not emit profile counters in
9131 the data section, if NO_PROFILE_COUNTERS is defined.
9132 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9135 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9136 (FUNCTION_PROFILER): Just emit a call to mcount.
9138 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9140 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9142 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9143 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9144 traditional, lang_chill, or lang_fortran.
9146 * cppfiles.c: #undef strcmp to suppress warning about macros
9147 used without arguments.
9148 (_cpp_execute_include): Use f, not fname, in "No include path"
9150 (_cpp_pop_file_buffer): New function.
9151 * cpplib.c: Don't include <sys/mman.h>.
9152 (cpp_push_buffer): Set line_base and lineno in new buffer.
9153 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9155 * cpplex.c: Move all prototypes and structure declarations to the
9156 top of the file. Properly parenthesise some macro arguments.
9157 (cpp_scan_line): New function.
9158 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9159 don't need to walk up the stack counting.
9161 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9163 * c-common.c (combine_strings): Emit a pedantic warning when a
9164 string length is greater than the minimum ANSI C is required
9167 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9169 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9170 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9172 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9174 * c-decl.c (define_label): Warn about identifier conflicts with
9175 labels in traditional C.
9177 * c-parse.in (unop +): Warn about the unary plus operator for
9180 * c-typeck.c (store_init_value): Warn about automatic aggregate
9181 initialization for traditional C.
9183 * invoke.texi (-Wtraditional): Document new warnings.
9185 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9187 * Makefile.in (c-errors.o): Fix thinko in dependency.
9189 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9191 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9192 -traditional, -ftraditional, or -traditional-cpp was given.
9193 Do not pass -traditional to the preprocessor.
9194 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9195 preprocessor does it automatically.
9196 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9198 * ch/lang-specs.h: Always use tradcpp. Do not pass
9199 -traditional, -trigraphs, or -pedantic to the preprocessor.
9200 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9203 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9205 * cppexp.c (LOGICAL): Delete macro.
9206 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9209 * cpphash.c (HASHSIZE): Increase to 4096.
9210 (struct hashdummy): Add hash field.
9211 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9212 the string values using memcmp.
9213 (cpp_lookup): Set dummy.hash.
9215 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9217 * configure.in (m88k-openbsd): Express configuration using new fragment
9219 * configure: Rebuilt.
9220 * m88k/aout-dbx.h: New.
9221 * m88k/openbsd.h: New.
9222 * m88k/xm-openbsd.h: New.
9224 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9226 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9228 2000-07-12 Richard Henderson <rth@cygnus.com>
9230 * reload.c (push_secondary_reload): Make sure to add the new
9231 reload at the end, after acquiring secondary memory.
9233 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9235 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9237 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9238 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9240 * c-parse.in (stmt): Delete unused variables.
9242 * convert.c (convert_to_vector): Likewise.
9244 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9246 * tree.c (finish_vector_type): Prototype.
9248 2000-07-12 Bruce Korb <bkorb@gnu.org>
9250 * fixinc/fixfixes.c: use xmalloc
9251 * fixinc/fixincl.c(initialize): set program name for xmalloc
9252 * fixinc/fixlib.c(must_malloc): obsolete
9253 (is_cxx_header): no longer used - disabled
9254 (skip_quote): inserted and disabled for future use
9255 * fixinc/fixlib.h: reflects above
9256 * fixinc/fixtests.c: removed dinkleberries
9258 2000-07-12 Neil Booth <NeilB@earthling.net>
9260 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9261 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9263 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9264 struct toklist_dummy): New.
9265 (cpp_free_definition): Free macros with free_macro.
9266 (count_params): Don't save paramter spellings. Save macro
9267 information in a struct macro_info.
9268 (parse_define): Don't allocate a token list.
9269 (save_expansion): Allocate the macro's token list, and
9270 save parameter spellings if necessary. Use TOKEN_SPELL.
9271 (cpp_create_definition): Make list const.
9273 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9275 * c-typeck.c (pedwarn_c99): Move to
9276 * c-errors.c: ... Here.
9277 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9278 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9279 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9280 (c-errors.o): List dependency.
9282 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9284 * c-parse.c: Remove.
9285 * c-parse.h: Likewise.
9286 * c-parse.y: Likewise.
9287 * objc/objc-parse.c: Likewise.
9288 * objc/objc-pasre.y: Likewise.
9290 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9292 * gcc.texi: Fix minor typos
9293 * extend.texi: Fix minor typos
9295 2000-07-11 Marc Espie <espie@openbsd.org>
9297 * collect2.c (main): Recognize .lo as object files.
9299 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9301 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9304 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9305 with MAP_ANONYMOUS and MAP_ANON.
9306 * configure, config.in: Rebuilt.
9308 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9310 * diagnostic.c (save_output_state): Remove.
9311 (restore_output_state): Likewise.
9312 (clear_text_info): New function.
9313 (clear_diagnostic_info): Likewise.
9314 (output_text_length, is_starting_newline, output_prefix,
9315 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9316 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9317 (set_real_maximum_length, output_set_maximum_length,
9318 output_set_prefix, output_get_prefix, output_set_maximum_length,
9319 output_destroy_prefix, init_output_buffer,
9320 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9321 output_add_newline, output_add_character, output_add_space,
9322 output_append_r, output_append, wrap_text, output_format,
9323 output_do_printf, output_printf, output_do_verbatim,
9324 output_verbatim, verbatim): Use them.
9325 (output_clear): Split into cleat_text_info and
9326 clear_diagnostic_info.
9327 (struct output_state): Move to...
9329 * diagnostic.h: ...Here
9330 (struct output_buffer): Adjust.
9332 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9334 * cpplex.c (parse_name): No longer inline (premature optimization).
9335 (do_pop_context): Fold into pop_context.
9336 (pop_context): Returns int.
9337 (lex_next): Hoist test for end of directive into pop_context.
9338 (push_macro_context): Returns int; takes just reader and token.
9339 Hoist test for excessive nesting to caller.
9340 (push_arg_context): Returns void; takes just reader and token.
9341 Do not call stringify_arg or get_raw_token.
9342 (get_raw_token): Convert tail recursion through push_arg_context
9343 to a loop at this level. Call stringify_arg here if appropriate.
9344 (maybe_paste_with_next): Convert tail recursion to a while loop.
9345 Hoist test of paste_level to caller.
9347 (stringify_arg): Push arg context at beginning.
9348 (cpp_get_token): Split out core into _cpp_get_token. Call
9349 process_directive here. Throw away CPP_PLACEMARKER tokens.
9350 (_cpp_get_token): Convert tail recursion through
9351 push_macro_context to a loop at this level.
9352 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9353 _cpp_get_raw_token): Use _cpp_get_token.
9354 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9355 not call pop_context.
9356 (_cpp_run_directive): Call lex_next directly.
9358 * cpphash.h: Prototype _cpp_get_token.
9359 * cppexp.c (lex): Use it.
9360 * cpphash.c (parse_define): Use it.
9361 * cpplib.c (get_define_node, do_undef, parse_include,
9362 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9363 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9364 parse_ifdef, validate_else): Use it.
9365 (cpp_push_buffer): Tweak error message; abort if anyone tries
9366 to push a buffer while macro expansions are stacked.
9368 2000-07-11 Donn Terry <donnte@microsoft.com>
9370 * cpplex.c (free_macro_args, save_token): Cast arg of free
9371 and/or xrealloc to PTR.
9372 (_cpp_init_input_buffer): Clear all fields of the base context.
9374 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9376 * gensupport.c (process_rtx): Make rtl checking stop
9377 complaining about the define_insn while it is being
9378 converted from a define_insn_and_split.
9380 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9382 * config/mips/mips.c (simple_memory_operand): Access the
9383 INTVAL of the address, not it's containing MEM.
9385 2000-07-11 Bruce Korb <bkorb@gnu.org>
9387 * fixinc/fixtests.c(double_slash): obsolete
9388 (else_endif_label): likewise
9389 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9390 (libc1_ifdefd_memx): correct initial comment
9391 and omit the #if/#endif pair from the memxxx declarations
9392 * fixinc/fixincl.x: regen
9394 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9396 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9398 2000-07-11 Neil Booth <NeilB@earthling.net>
9402 2000-07-11 Neil Booth <NeilB@earthling.net>
9404 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9405 (handle_option): Set digraphs according to standard.
9406 Merge OPT_lang_c89 handler with OPT_std_c89.
9408 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9409 accordance with the digraphs flag.
9411 * cpplib.h: (struct cpp_options): New option digraphs.
9413 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9414 Bruce Korb <bkorb@gnu.org>
9416 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9417 * fixinc/fixincl.x: Regenerate.
9418 * fixinc/tests/base/testing.h: Add testcase.
9420 2000-07-10 Richard Henderson <rth@cygnus.com>
9422 * config/ia64/ia64.c (got_symbolic_operand): New.
9423 (symbolic_operand, move_operand): Revert 0701 change.
9424 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9425 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9426 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9427 split the offset into a 14-bit low part instead of a 13-bit low part.
9428 (load_fptr): Mark the mem as unchanging.
9429 (load_symptr): Use got_symbolic_operand.
9431 2000-07-10 Nick Clifton <nickc@cygnus.com>
9433 * libgcc2.c (next_stack_level): Cast result of computation to
9434 (void **) so that the assignment does not generate a warning.
9436 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9438 * flags.h : Add new variable flag_single_precision_constant.
9439 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9440 (flag_single_precision_constant): New.
9441 * c-lex.c (yylex): Convert floating point constant to single
9443 * invoke.texi : Add documentation for this new option.
9445 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9447 * diagnostic.c (output_octal): Second parameter is unsigned.
9448 (output_long_octal): Likewise.
9449 (output_hexadecimal): Likewise.
9450 (output_long_hexadecimal): Likewise.
9451 (output_format): Adjust arguments extraction. Tweak.
9452 (output_verbatim, verbatim): End variable argument list.
9453 (report_diagnostic): Improve documentation.
9455 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9457 * c-common.h (build_stmt): Declare.
9458 (build_continue_stmt): Likewise.
9459 (build_break_stmt): Likewise.
9460 (build_return_stmt): Likewise.
9462 * c-decl.c (do_case): Rewrite to do what previously done in
9465 * c-semantics.c (build_stmt): Define.
9466 (build_return_stmt): Likewise.
9467 (build_break_stmt): Likewise.
9468 (build_continue_stmt): Likewise.
9469 (build_case_label): Likewise.
9471 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9472 (CONTINUE): Likewise.
9475 (DEFAULT): Likewise.
9477 * c-parse.y: Regenerate.
9478 * c-pasre.c: Likewise.
9480 2000-07-09 Jason Merrill <jason@redhat.com>
9482 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
9484 * tree.h (STRIP_NOPS): Check for error_mark_node.
9485 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
9486 (dwarf2out_*): Remove duplicate declarations.
9488 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
9489 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
9491 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9493 * diagnostic.c (wrap_text): New function.
9494 (maybe_wrap_text): Likewise.
9495 (output_add_string): Use it.
9496 (output_format): Likewise.
9497 (count_error): Use verbatim instead of notice.
9498 (report_error_function): Likewise. Don't use plain fprintf.
9499 (finish_diagnostic): New function.
9500 (output_do_verbatim): Tweak. Commonalize functionalities in
9501 output_verbatim and verbatim.
9502 (output_verbatim): Adjust.
9503 (verbatim): Likewise.
9504 (report_diagnostic): Define.
9506 * diagnostic.h (report_diagnostic): Prototype.
9508 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
9510 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
9512 2000-07-09 Neil Booth <NeilB@earthling.net>
9514 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
9515 IShspace, ISspace: Update.
9517 * cppinit.c: ISTABLE: Update.
9520 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
9521 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
9522 (skip_block_comment, skip_line_comment, parse_string,
9523 lex_line): Use is_vspace rather than IS_NEWLINE.
9524 (skip_whitespace, lex_line): Clean up to use is_nvspace.
9525 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
9527 (lex_next): Unconditionally stop if within a directive.
9528 Treat directives within macro invocations as directives
9529 (after parse_args emits error), not as the argument.
9531 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
9533 * diagnostic.c (diagnostic_args): New macro.
9534 (diagnostic_msg): Likewise.
9535 (output_formatted_integer): Likewise.
9536 (output_state): New data type.
9537 (digit_buffer): Make global.
9538 (output_add_integer): Rename to output_decimal. Squeeze
9540 (output_long_decimal, output_unsigned_decimal,
9541 output_long_unsigned_decimal, output_octal, output_long_octal,
9542 output_hexadecimal, output_long_hexadecimal): New functions.
9543 (output_append_r): New function.
9544 (output_append): Tweak.
9545 (output_flush_on): Rename to output_to_stream.
9546 (output_format): Change prototype. Improve documentation. Handle
9547 more format specifiers.
9548 (build_location_prefix): Rename to context_as_prefix.
9549 (output_notice): Rename to output_do_printf.
9550 (output_printf): Tweak.
9551 (line_wrapper_printf): Likewise.
9552 (vline_wrapper_message_with_location): Adjust call to renamed
9554 (v_message_with_decl): Likewise.
9555 (default_print_error_function): Likewise.
9556 (save_output_state): New function.
9557 (restore_output_state): Likewise.
9558 (output_do_verbatim): Likewise.
9559 (output_verbatim): Define.
9560 (verbatim): Likewise.
9562 * diagnostic.h (printer_fn): Change return type from void to int.
9563 Improve documentation.
9564 (output_add_integer): Rename to output_decimal.
9565 (output_flush_on, output_format): Don't export.
9566 (output_verbatim, verbatim): Declare.
9568 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
9570 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
9571 Check whether c divides op1 exactly if operation is not
9574 2000-07-08 Richard Henderson <rth@cygnus.com>
9576 * final.c (final): Do not abort when reg-stack introduces
9579 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
9581 * cpplib.h (struct cpp_name): Now struct cpp_string.
9582 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
9583 CPP_HEADER_NAME): Change to type S.
9584 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
9585 field, a cpp_hashnode *. All references to val.name updated
9586 to use val.str or val.node as appropriate.
9587 (struct cpp_reader): Add spec_nodes field.
9588 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
9590 * cpphash.h (struct spec_nodes): New.
9591 (enum spell_type): Reorder. Only SPELL_STRING tokens use
9592 val.str. All references to 'spelling > SPELL_NONE' updated to
9595 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
9596 pfile->buffer->inc are not NULL before dereferencing them.
9598 * cpplex.c (parse_name): Take a pointer to the current token,
9599 plus current position and limit as args; return the new
9600 position; don't copy the text of a name into the string
9601 buffer, instead call cpp_lookup and store the node pointer.
9602 If extending a token, copy out the text of the old into a
9603 scratch buffer, append the new, look that up and store the new
9604 node pointer. Inline.
9605 (maybe_paste_with_next): If the result of paste is a NAME,
9606 then look up the pasted text and store its node pointer.
9607 (lex_line): Adjust for new parse_name interface.
9608 Check for L"str", L'str' using spec_nodes->n_L.
9609 (spell_token): SPELL_IDENT tokens have their spelling in
9610 val.node->name. Handle SPELL_STRING tokens that don't have
9612 (_cpp_expand_name_space,
9613 (can_paste): Check for L ## "str" using spec_nodes->n_L.
9614 (cpp_get_token, special_symbol): No need to call cpp_lookup.
9615 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
9616 return 1=equal 0=not, not a tristate.
9618 * cpphash.c (var_args_str): Delete.
9619 (find_param): Compare node fields directly.
9620 (is__va_args__): Use CPP_PEDANTIC. Just compare
9621 token->val.node with spec_nodes->n__VA_ARGS__.
9622 (dump_funlike_macro): Don't use var_args_str.
9624 * cpplib.c (_cpp_check_directive): Just walk through
9625 spec_nodes->dirs comparing pointers.
9626 (get_define_node, do_pragma_poison, detect_if_not_defined,
9627 parse_ifdef): The identifier has already been looked up.
9628 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
9630 (do_if): Only call detect_if_not_defined at beginning of file.
9631 (_cpp_parse_assertion): Only copy string pointers for
9632 SPELL_STRING tokens.
9633 (pragma_dispatch): Take a node pointer and examine its name
9635 (_cpp_init_stacks): Also initialize the spec_nodes structure.
9637 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
9639 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
9640 reverse order from the corresponding _cpp_init_* routines.
9642 * cppexp.c (parse_number, parse_charconst, parse_defined,
9643 lex): Check val.node->type instead of calling cpp_defined.
9644 Use spec_nodes entries where appropriate.
9646 * fix-header.c, scan-decls.c: Update for interface changes.
9648 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
9650 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
9651 emitting aux_truncdfsf2.
9653 2000-07-03 Donn Terry (donnte@microsoft.com)
9655 * cppinit.c (print_help): split overlong line into ISO C89
9658 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9660 * cppexp.c: Update all code for new lexer interface.
9661 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
9662 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
9663 * cpplex.c (token_names): Trim leading CPP_ from names; make
9664 the strings unsigned.
9665 (_cpp_spell_operator): New.
9666 (is_macro_disabled): Disable all macros if rescanning
9668 (_cpp_get_directive_token): Remove.
9670 * cppinit.c: Don't set no_macro_expand.
9671 * cpplib.c (read_line_number, do_line): Check only for EOF,
9673 * cpphash.h: Update prototypes.
9674 * cpplib.h (CPP_VSPACE): Remove.
9675 (struct cpp_reader): Remove no_macro_expand.
9677 2000-07-08 Neil Booth <NeilB@earthling.net>
9679 * cpphash.c (is__va_args__): New function.
9680 (count_params): Fix line reported in error messages. Use
9681 is__va_args__. Don't return ')' on error. Flag GNU style
9682 rest args macro definitions.
9683 (parse_define): Check macro name is not __VA_ARGS__.
9684 (save_expansion): Check identifier in non-varargs-macro is
9685 not __VA_ARGS__. Don't flag GNU_VARARGS.
9686 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
9687 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
9688 than per-token GNU_VARARGS.
9689 * cpplib.h (GNU_VARARGS): Remove.
9690 (GNU_REST_ARGS): New.
9692 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9694 * i386.md (call_pop, call, call_value_pop): Do not set
9695 current_function_uses_pic_offset_table for calls to static
9696 functions or indirect calls.
9698 2000-07-07 Jim Wilson <wilson@cygnus.com>
9700 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
9701 is_predicate_reg, then take max write_count of register pair.
9703 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9705 * tradcpp.c (main): Rename label `include' to `add_include' to
9706 avoid conflicts with variable `include' in traditional C.
9708 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9710 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
9712 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9714 * sibcall.c (uses_addressof): Add INMEM argument, check for
9715 current_function_internal_arg_pointer outside of MEM rtxs in addition
9717 (sequence_uses_addressof): Update caller.
9719 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9721 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
9724 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9726 * system.h (UNION_INIT_ZERO): New macro for initializing union
9729 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
9731 2000-07-07 Neil Booth <NeilB@earthling.net>
9735 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
9737 * final.c (final): Detect out of bounds array access to
9738 the insn_lengths array.
9740 2000-07-07 Kazu Hirata <kazu@hxi.com>
9742 * fold-const.c (fold): Fix a comment typo.
9744 2000-07-07 Neil Booth <NeilB@earthling.net>
9746 * cpp.texi: Update to new lexer.
9748 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9750 * tradcpp.c: New file.
9751 * tradcif.y: New file.
9752 * tradcif.c: New generated file.
9754 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
9755 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
9756 dependencies of C. Install tradcpp from install-common, in
9759 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9761 * cppinit.c: Include cppdefault.h. Refer to
9762 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
9763 to GCC_INCLUDE_DIR and its length.
9764 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
9765 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
9766 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
9768 (include_defaults_array): Move to cppdefault.c.
9770 * cppdefault.h: New file.
9771 * cppdefault.c: New file.
9773 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
9774 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
9775 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
9778 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9780 * reload.c (push_reload): When seeing if can reuse a register,
9781 check extra registers against widest of INMODE and OUTMODE.
9783 2000-07-06 Neil Booth <NeilB@earthling.net>
9785 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
9786 based on full length of predicate.
9788 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
9790 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
9791 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
9793 2000-07-05 Kazu Hirata <kazu@hxi.com>
9795 * h8300-proto.h: Fix formatting.
9796 * h8300.c: Likewise.
9797 * h8300.h: Likewise.
9799 2000-07-05 Jim Wilson <wilson@cygnus.com>
9801 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
9804 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
9806 * invoke.texi: Fix minor typos
9807 * md.texi: Fix minor typos
9809 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
9811 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
9813 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
9815 * cpplex.c: Don't include sys/mman.h.
9816 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
9818 * cpplib.c: Include sys/mman.h and obstack.h.
9819 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
9821 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
9822 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
9823 bother freeing if stack entries (they will be freed with their buffer).
9824 (do_endif): Free if stack entries from the buffer obstack.
9825 (push_conditional): Allocate if stack entries from the buffer obstack.
9827 (find_answer): Rename to _cpp_find_answer.
9828 (do_assert, do_unassert): Update.
9830 * cpphash.h: Update prototypes.
9831 (xobnew): New convenience macro.
9832 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
9834 (struct cpp_hashnode): Remove disabled field.
9836 * cppinit.c: Don't include hashtab.h or splay-tree.h.
9837 (report_missing_guard): Moved to cppfiles.c.
9838 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
9840 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
9841 cpp_cleanup_includes. Don't destroy hashtab or
9842 all_include_files here.
9843 (cpp_finish): Use _cpp_report_missing_guards.
9845 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
9846 (_cpp_init_include_table): Rename _cpp_init_includes.
9847 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
9849 * cppexp.c (parse_assertion): Update for new name of
9852 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
9854 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
9856 * cpplib.c (do_ident): s/VSPACE/EOF/
9858 2000-07-05 Neil Booth <NeilB@earthling.net>
9860 * cpplex.c: Fix trigraph replacement within strings.
9862 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9864 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
9866 * xcoffout.c (assign_type_number): Constify.
9867 (xcoffout_source_file): Add static prototype. Don't needlessly
9868 cast away const-ness.
9870 2000-07-04 Jason Merrill <jason@redhat.com>
9872 * frame.h (frame_state): Move base_offset to end.
9874 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
9876 * calls.c (emit_library_call_value_1): Revert previous change.
9878 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
9880 * fix-header.c (struct partial_proto): Remove unnecessary fields.
9881 (recognized_extern, recognized_function, read_scan_file):
9882 Update for new scheme.
9883 (check_protection): It's still a multiple include guard even
9884 if it doesn't always trigger.
9885 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
9887 * scan.h: Declare struct cpp_token. Update prototypes.
9889 2000-07-03 Neil Booth <neilb@earthling.net>
9890 Zack Weinberg <zack@wolery.cumb.org>
9892 Complete overhaul of the lexer and macro expander.
9894 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
9895 arg, arglist, argdata, reflist, collect_objlike_expansion,
9896 collect_funlike_expansion, collect_params,
9897 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
9898 unsafe_chars, macarg, compare_defs, special_symbol,
9899 scan_arguments, stringify, funlike_macroexpand,
9900 _cpp_quote_string, monthnames): Delete.
9901 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
9902 _cpp_create_definition, _cpp_dump_definition,
9903 dump_hash_helper): Adjust.
9904 (find_param, count_params, parse_define, var_args_str,
9905 check_macro_redefinition, save_expansion): New.
9907 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
9908 parse_string, output_line_command, trigraph_replace,
9909 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
9910 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
9911 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
9912 _cpp_skip_rest_of_line): Modify.
9914 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
9915 find_position, null_warning, bump_column, expand_name_space,
9916 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
9917 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
9918 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
9919 _cpp_prescan): Delete.
9921 (dump_param_spelling, process_directive, lex_next,
9922 is_macro_disabled, stringify_arg, expand_context_stack,
9923 output_token, make_string_token, alloc_number_token,
9924 special_symbol, duplicate_token, maybe_paste_with_next,
9925 can_paste, prevent_macro_expansion, restore_macro_expansion,
9926 get_temp_token, release_temp_tokens, quote_string,
9927 token_names, token_spellings, _cpp_expand_name_space,
9928 _cpp_glue_header_name, _cpp_reserve_name_space,
9929 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
9930 placemarker_token, eof_token, cpp_context, macro_args,
9931 get_raw_token, parse_arg, parse_args, save_token,
9932 push_arg_context, push_macro_context, pop_context,
9933 do_pop_context, free_macro_args, _cpp_get_line,
9934 _cpp_run_directive): New.
9936 * cpplib.c (validate_else, parse_include, push_conditional,
9937 pass_thru_directive, read_line_number, parse_ifdef,
9938 detect_if_not_defined, _cpp_check_directive, do_define,
9939 do_undef, do_include, do_import, do_include_next, do_error,
9940 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
9941 top_pragmas, do_pragma_gcc, do_pragma_implementation,
9942 do_pragma_poison, do_pragma_system_header,
9943 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
9944 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
9945 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
9946 cpp_defined): Update for new scheme.
9947 (strtoul_for_line, get_define_node, dump_macro_name,
9948 _cpp_check_linemarker, _cpp_parse_assertion): New.
9949 (_cpp_handle_directive, do_pragma_default): Delete.
9951 * cpphash.h (struct predicate): Now struct answer.
9952 (enum spell_type, struct token_spelling, struct directive,
9953 directive_handler): New.
9954 Update prototypes. Remove unused macros.
9955 * cpplib.h: Update prototypes. Remove unused macros,
9956 structure definitions, and fields.
9958 * cpperror.c (print_containing_files, v_message): Adjust.
9959 * cppexp.c (parse_assertion, lex, parse_escape,
9960 _cpp_parse_expr): Adjust.
9961 * cppfiles.c (open_include_file, _cpp_execute_include,
9962 _cpp_compare_file_date, cpp_read_file, read_include_file):
9964 * cppinit.c (dump_special_to_buffer): Delete.
9965 (append_include_chain, merge_include_chains, cpp_reader_init,
9966 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
9967 cpp_finish, handle_option, print_help): Adjust.
9968 * cppmain.c (main): Adjust.
9970 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
9972 * cppspec.c (lang_specific_driver): Use double quotes in error
9975 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
9977 * calls.c (emit_library_call_value_1): Use valreg instead
9978 of hard_libcall_value.
9980 2000-07-03 Geoff Keating <geoffk@cygnus.com>
9982 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
9983 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
9984 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
9992 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
9993 mode instead of wider_mode is being used.
9995 2000-07-03 Jakub Jelinek <jakub@redhat.com>
9997 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
9998 of 'r'. Use q_regs_operand.
9999 (andsi_1+2): Use q_regs_operand.
10001 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10003 * builtins.c (get_memory_rtx): Always put into alias set 0.
10005 2000-07-03 Nick Clifton <nickc@cygnus.com>
10007 * config/arm/arm.md: Fix post increment and pre increment
10008 peepholes so that they do not generate UNPREDICATBLE opcodes.
10009 (ie ones where the increment clobbers the source/destination).
10011 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10013 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10014 change too big for -mtiny-stack" a warning, if larger than 63.
10015 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10016 always safe to use on possible future devices.
10017 (function_prologue): Write SPH before SPL, for consistency.
10018 If interrupt_func_p true, we know we have enabled interrupts.
10019 (avr_num_arg_regs): New function. Round up to even number of
10020 bytes if no -mpack-args or if calling a libgcc function.
10021 (function_arg, function_arg_advance): Use it.
10022 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10023 Output "movw" if available.
10024 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10025 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10026 (asm_output_section_name): Add blanks for consistent output.
10027 (encode_section_info): Set TREE_READONLY for progmem data to
10028 avoid gas warnings about changed section attributes.
10029 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10030 even numbered registers on devices with "movw".
10031 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10032 (TARGET_SWITCHES): Mark help strings for translation.
10033 Add new -mpack-args and -menhanced switches.
10034 (TARGET_OPTIONS): Mark help strings for translation.
10035 (progmem_section): Add section attributes.
10036 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10037 Output "movw" if available.
10038 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10040 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10041 call convention (arguments aligned on even registers).
10042 (_cleanup, _exit): Make weak symbols libc can override.
10044 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10046 * fp-bit.h: New file.
10048 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10049 Comment #endif statements.
10050 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10052 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10054 * gcse.c (compute_pre_data): Compute ae_kill using other local
10055 properties instead of calling compute_ae_kill.
10057 * alias.c (init_alias_analysis): Do not call
10058 prologue_epilogue_contains until after reload has completed.
10060 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10062 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10063 (genrtl_finish_compound_stmt): Likewise.
10064 (genrtl_compound_stmt): Change to return void.
10066 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10067 move code from here to ...
10068 (genrtl_compound_stmt): ... here.
10069 (genrtl_finish_compound_stmt): Remove.
10070 (expand_stmt): Add comment.
10072 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10074 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10077 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10079 * cpplib.h (struct cpp_reader): New field include_depth.
10080 (struct cpp_printer): Rename last_bsd to last_id.
10081 * cppfiles.c (read_include_file): Bump include_depth.
10082 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10083 (output_line_command): Output correct #line if a header
10084 is including itself and is not protected against multiple inclusion.
10085 Use include_depth instead of buffer_stack_depth, last_id instead of
10087 * cppinit.c (cpp_start_read): Initialize last_id instead of
10090 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10092 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10093 (c-semantics.o): New target.
10095 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10096 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10097 (genrtl_clear_out_block): Likewise.
10098 (genrtl_goto_stmt): Likewise.
10099 (genrtl_expr_stmt): Likewise.
10100 (genrtl_decl_stmt): Likewise.
10101 (genrtl_if_stmt): Likewise.
10102 (genrtl_while_stmt): Likewise.
10103 (genrtl_do_stmt): Likewise.
10104 (genrtl_return_stmt): Likewise.
10105 (genrtl_for_stmt): Likewise.
10106 (genrtl_break_stmt): Likewise.
10107 (genrtl_continue_stmt): Likewise.
10108 (genrtl_scope_stmt): Likewise.
10109 (genrtl_switch_stmt): Likewise.
10110 (genrtl_case_label): Likewise.
10111 (genrtl_begin_compound_stmt): Likewise.
10112 (gerntl_finish_compound_stmt): Likewise.
10113 (genrtl_compound_stmt): Likewise.
10114 (genrtl_asm_stmt): Likewise.
10115 (genrtl_decl_cleanup): Likewise.
10116 (DECL_ANON_UNION_ELEMS): Likewise.
10117 (emit_local_var): Likewise.
10118 (make_rtl_for_local_static): Likewise.
10119 (expand_cond): Likewise.
10120 (expand_stmt): Likewise.
10121 (c_expand_return): Likewise.
10122 (c_expand_start_case): Likewise.
10123 (do_case): Likewise.
10124 (COMPOUND_STMT_NO_SCOPE): Likewise.
10125 (c_expand_asm_operands): Likewise.
10126 (NEW_FOR_SCOPE_P): New macro.
10127 (expand_expr_stmt_fn): New type.
10129 (set_current_function_name_declared): Likewise.
10130 (current_function_name_declared): Likewise.
10131 (lang_expand_stmt): Likewise.
10132 (stmts_are_full_exprs_p): Likewise.
10133 (anon_aggr_type_p): Likewise.
10134 (lang_expand_expr_stmt): Likewise.
10135 (build_case_label): Likewise.
10137 * c-decl.c (lang_expand_expr_stmt): Initialize.
10138 (stmts_are_full_exprs_p): Define.
10139 (current_function_name_declared): Likewise.
10140 (do_case): Likewise.
10141 (lang_expand_stmt): Likewise.
10142 (set_current_function_name_declared): Likewise.
10143 (anon_aggr_type_p): Likewise.
10145 * c-semantics.c: New file.
10146 (expand_cond): Moved from cp/semantics.c.
10147 (genrtl_do_pushlevel): Likewise.
10148 (genrtl_clear_out_block): Likewise.
10149 (genrtl_goto_stmt): Likewise.
10150 (genrtl_expr_stmt): Likewise.
10151 (genrtl_decl_stmt): Likewise.
10152 (genrtl_if_stmt): Likewise.
10153 (genrtl_while_stmt): Likewise.
10154 (genrtl_do_stmt): Likewise.
10155 (genrtl_return_stmt): Likewise.
10156 (genrtl_for_stmt): Likewise.
10157 (genrtl_break_stmt): Likewise.
10158 (genrtl_continue_stmt): Likewise.
10159 (genrtl_scope_stmt): Likewise.
10160 (genrtl_switch_stmt): Likewise.
10161 (genrtl_case_label): Likewise.
10162 (genrtl_begin_compound_stmt): Likewise.
10163 (genrtl_finish_compound_stmt): Likewise.
10164 (genrtl_compound_stmt): Likewise.
10165 (genrtl_asm_stmt): Likewise.
10166 (genrtl_decl_cleanup): Likewise.
10167 (make_rtl_for_local_static): Moved from cp/decl.c.
10168 (emit_local_var): Likewise.
10169 (expand_stmt): Define.
10171 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10172 (c_expand_return): Likewise.
10173 (c_expand_start_case): Likewise.
10175 2000-07-01 Richard Henderson <rth@cygnus.com>
10177 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10178 with the low 13 bits set.
10179 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10180 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10181 of the low 13 bits into a CONST plus an adddi3.
10182 (load_symptr): Set RTX_UNCHANGING_P.
10184 See ChangeLog.3 for earlier changes.