1 2000-10-29 Michael Hayes <mhayes@redhat.com>
3 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
5 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
7 * cpphash.c (cpp_forall_identifiers): Add context variable
9 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
11 (main): Call cpp_forall_identifiers with null context.
12 * cpplib.h (cpp_forall_identifiers): Update prototype.
14 * cppmain.c: Make `parse_in' and `print' static.
16 2000-10-28 Alan Modra <alan@linuxcare.com.au>
18 * c-decl.c (finish_function): Clear c_function_name_declared_p.
20 2000-10-28 Richard Henderson <rth@redhat.com>
22 * regrename.c (scan_rtx_address): Frob action, not class,
23 when trying to disable optimization.
25 2000-10-28 Mark Mitchell <mark@codesourcery.com>
27 * c-semantics.c (make_rtl_for_local_static): Don't clobber
30 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
32 * configure.in: Determine and substitute gcc_version_full.
33 * configure: Regenerate.
34 * gccbug.in: Use it to give full version. Don't allow
37 2000-10-28 Richard Henderson <rth@redhat.com>
39 * recog.c (split_all_insns): Run cleanup_subreg_operands
42 * regrename.c (regrename_optimize): Verify that all registers of
43 a multiple register mode are available.
44 (scan_rtx_address): Accept the mode of the address; all callers
47 * cpplib.c (run_directive): Fix prototype.
49 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
51 * reload.c (find_reloads): Distinguish "wins" so that we know whether
52 a given operand won because of a matching constraint or not; then use
53 that information to compute goal_alternative_matched properly.
54 * reload1.c (choose_reload_regs): Never set reload_override_in for an
57 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
58 accurate value for MULT.
59 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
60 2% or > 98% before using static branch prediction bits.
62 2000-10-28 Neil Booth <neilb@earthling.net>
66 * cpplib.c (struct answer): New.
67 (struct if_stack): Use cpp_lexer_pos rather than line and col.
68 Rename cmacro mi_cmacro.
69 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
70 IN_I): New directive and flags.
71 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
72 parse_answer, parse_assertion, find_answer): New functions.
73 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
74 (lex_macro_node): New function to replace parse_ifdef and
77 (_cpp_handle_directive): New function, combines _cpp_check_directive
78 and _cpp_check_linemarker.
80 (do_define, do_undef, parse_include, do_include, do_import,
81 do_include_next, read_line_number, do_line, do_ident, do_pragma,
82 do_pragma_once, do_pragma_poison, do_pragma_dependency):
83 Update for new token getting interface.
85 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
86 : Update for new multiple-include optimisation technique.
87 (do_elif): Don't forget to invalidate controlling macros.
89 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
90 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
91 Functions to handle assertions with the new token interface.
92 (do_assert, do_unassert): Use them.
94 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
97 (_cpp_init_stacks): Register directive names. Don't register special
100 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
101 new position recording regime.
102 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
103 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
104 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
105 (cpp_type2name): Move to cpplex.c.
107 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
108 (parse_defined): Update to handle new multiple include optimisation
109 method. Remove poisoned identifier warning.
110 (parse_assertion, TYPE_NAME): Delete.
111 (lex): Update for multiple include optimisation, removal of
112 CPP_DEFINED, to use _cpp_test_assertion for assertions and
114 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
115 (op_as_text): New function, to wrap cpp_token_as_text.
117 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
118 Update for MI optimisation.
119 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
120 segfault on diagnostic.
121 (_cpp_compare_file_date): Take a token rather than 3 args.
122 (cpp_read_file): Work correctly for zero-length files.
124 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
125 _cpp_init_hashtable and _cpp_cleanup_hashtable.
126 (cpp_lookup): Place identifiers at front of identifier pool
127 for _cpp_lookup_with_hash.
128 (_cpp_lookup_with_hash): Require identifiers to be at the front of
129 the identifier pool. Commit the memory if not already in the
132 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
133 Initialise various members of cpp_reader, memory pools, and the
135 (cpp_printer_init): Delete.
136 (cpp_cleanup): Update.
137 (struct builtin, builtin_array, initialize_builtins): Update for new
138 hashnode definition and builtin handling.
139 (cpp_start_read, cpp_finish): Don't take or initialise a
142 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
143 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
144 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
145 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
146 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
147 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
148 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
149 struct toklist, struct cpp_context, struct specnodes,
150 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
151 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
152 enum builtin_type, cpp_can_paste): New.
153 (struct cpp_token): Delete line and col members.
154 (struct cpp_buffer): New member output_lineno.
155 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
156 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
157 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
158 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
159 base_context, context, directive, mi_state, mi_if_not_defined,
160 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
161 mlstring_pos, macro_buffer, macro_buffer_len.
162 Delete members mls_line, mls_column, token_list, potential_control_macro,
163 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
164 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
165 save_parameter_spellings, need_newline, .
166 Change type of date, time and spec_nodes members.
167 Change prototypes for include and ident callbacks.
168 (struct cpp_hashnode): Change type of name. Remove union members
169 expansion and code. Add members macro, operator and builtin.
171 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
172 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
173 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
174 cpp_stop_lookahead): New prototypes.
175 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
177 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
180 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
181 ufputs): Move to cpplib.h.
182 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
183 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
184 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
185 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
186 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
187 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
188 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
189 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
190 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
191 _cpp_parse_assertion, _cpp_find_answer): Delete.
192 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
193 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
194 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
195 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
196 _cpp_handle_directive, DSC): New.
197 (struct include_file): New member defined.
199 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
200 _cpp_compare_file_date): Update.
201 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
202 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
203 _cpp_cleanup_hashtable.
205 * Makefile.in: Remove cppoutput.c.
207 * cppoutput.c: Delete
209 * fixheader.c (read_scan_file): Update for new cpp_get_token
211 (recognized_function): New argument LINE.
213 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
214 new cpp_get_token prototype.
216 * scan.h (recognized_function): Update prototype.
218 * po/POTFILES.in: Remove cppoutput.c.
220 2000-10-27 Mark Mitchell <mark@codesourcery.com>
222 * c-typeck.c (check_init_type_bitfields): Remove.
223 (constructor_incremental): Likewise.
224 (struct constructor_stack): Remove incremental bit.
225 (struct initializer_stack): Likewise.
226 (start_init): Don't play with constructor_incremental.
227 (finish_init): Likewise.
228 (really_start_incremental_init): Likewise.
229 (push_init_level): Likewise.
230 (pop_init_level): Likewise.
231 (output_init_level): Likewise.
232 (output_pending_init_elements): Likewise.
234 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
236 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
237 Improve error messages. Correct parsing of
238 #pragma pack(pop [,id]). Do not check the user-supplied
239 alignment if we're popping.
241 * gcc.dg/pack-test-1.c: New test case.
242 * gcc.dg/pack-test-2.c: New test case.
243 * gcc.dg/pack-test-1.h: New file.
245 2000-10-27 Neil Booth <neilb@earthling.net>
249 2000-10-27 Kelley Cook <kelley.cook@home.com>
251 * invoke.texi: Document -mintel-syntax
253 2000-10-27 Richard Henderson <rth@redhat.com>
255 * invoke.texi: Document -frename-registers. Add it to -O3.
256 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
257 (enum dump_file_index, dump_file): Update order.
258 (main): Set flag_rename_registers at -O3.
260 2000-10-27 Richard Henderson <rth@redhat.com>
262 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
263 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
264 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
265 * config/alpha/alpha.md (call_osf_1): Use it.
266 (call_value_osf_1): Likewise.
268 * config/ia64/ia64.c: Revert 10-23 patch.
269 (ia64_hard_regno_rename_ok): New.
270 * config/ia64/ia64-protos.h: Declare it.
271 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
273 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
274 Richard Henderson <rth@redhat.com>
276 * regrename.c: Rewrite to handle multi-register modes and
277 cond_exec instructions.
278 * Makefile.in (regrename.o): Update dependancies.
279 * recog.h (struct operand_alternative): Add is_address.
280 * recog.c (preprocess_constraints) [case 'p']: Set it.
282 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
284 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
285 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
286 top level. Kill oldstyle_subdirs. Do not include
287 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
288 $outputs. Do not run configure.lang from config.status.
289 Rearrange warning-flag logic to correspond to what the
290 makefile wants. Put special vax stage1 options in
291 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
292 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
293 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
294 switch is given, nothing otherwise.
295 * configure.lang: Delete.
297 * Makefile.in: Expunge all traces of extra_c_objs,
298 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
299 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
300 warning options via a three level scheme so that -pedantic and
301 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
302 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
303 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
304 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
305 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
306 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
307 generation rules. Wrap all rules that change the current
308 directory in parentheses; pmake doesn't spawn a new shell for
309 each command. Expunge all references to $(P). When one
310 command depends on another and they're run all at once, use &&
311 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
312 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
315 * objc/Make-lang.in: Wrap all rules that change the current
316 directory in parentheses. Expunge all references to $(P).
317 When one command depends on another and they're run all at
318 once, use && to separate them, not ;. Add OUTPUT_OPTION to
319 all object-file generation rules. Delete obsolete variables.
320 * objc/Makefile.in: Delete.
322 2000-10-27 Jakub Jelinek <jakub@redhat.com>
324 * calls.c (expand_call): If sibcall_failure is set during pass 1,
325 clear tail_call_insns as well.
327 2000-10-27 Nick Clifton <nickc@redhat.com>
329 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
332 2000-10-26 Richard Henderson <rth@redhat.com>
334 * calls.c (expand_call): Supress sibcall if we have a
335 BLKmode return in registers.
337 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
339 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
342 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
344 * tree.c (make_node, case 't'): Set alignment to that of
346 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
348 2000-10-25 Mark Mitchell <mark@codesourcery.com>
350 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
351 * configure.in (enable-libstdcxx-v3): Arrange to have
352 HAVE_LIBSTDCXX_V3 substituted into the output files.
354 2000-10-25 Richard Henderson <rth@redhat.com>
356 * recog.c (constrain_operands): Initialize which_alternative
357 before no alternatives early exit.
359 * cse.c (find_comparison_args): Check that we can reverse a
360 comparison if needed before accepting the substitution.
362 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
364 * simplify-rtx.c (simplify_relational_operation): Sign extend
365 low words before sign extending to high words.
367 2000-10-25 Nick Clifton <nickc@redhat.com>
369 * config/mcore/mcore.c: Include config.h before system.h.
371 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
373 * config/mcore/mcore.md (return): Force function epilogue to
374 always be generated to work around epilogue suppression bug in
377 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
379 * c-decl.c (grokdeclarator): Move warning for qualified void
380 return types with -pedantic to when the function type is
381 constructed. At -W, warn in general for qualified function return
382 types, except for volatile void.
383 * invoke.texi: Document this new warning at -W.
385 2000-10-25 Neil Booth <neilb@earthling.net>
387 * cpp.texi: Update with implementation-defined behavior and
390 2000-10-25 Jakub Jelinek <jakub@redhat.com>
392 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
393 incomplete type force it into alias set 0.
395 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
397 * alias.c: Include basic-block.h.
398 (loop_p): New function.
399 (mark_constant_function): Use it.
400 * Makefile.in (alias.o): Update dependencies.
402 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
404 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
407 2000-10-24 Jim Wilson <wilson@cygnus.com>
409 * expmed.c (store_bit_field): Move integer pun code down after
410 code that calls emit_move_insn for entire register move.
411 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
412 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
414 2000-10-24 Richard Henderson <rth@cygnus.com>
416 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
417 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
419 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
421 * gcse.c (cprop_insn): do not propagate constants into jump_insn
422 for machines with CC0 more than once.
424 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
426 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
427 pseudos just like memory.
429 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
431 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
432 when deleting libcall sequence collapsed to a single instruction.
434 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
436 * expr.c (do_store_flag): Don't crash if either side of a
437 comparison is error_mark_node.
439 2000-10-24 Jakub Jelinek <jakub@redhat.com>
441 * sibcall.c (purge_mem_unchanging_flag): New function.
442 (optimize_sibling_and_tail_recursive_calls): Call it.
444 2000-10-24 Philipp Thomas <pthomas@suse.de>
446 * Makefile.in (check-po): New target for doing checks in the po
447 subdir if all languages configured.
448 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
449 configure if NLS is enabled.
450 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
451 otherwise leave empty.
452 * configure: Regenerate.
454 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
456 * i386.c (print_operand): Handle new 'A' formatting code.
457 387 opcodes need suffixes even with -mintel-syntax.
458 Check for explicit size override (codes 'b', 'w' and 'k').
459 (print_operand_address): Check if register prefix is needed when
460 emitting `ds' segment override.
461 * i386.h: Add comment about new 'A' formatting code.
462 * i386.md (jump and call patterns): Emit absolute references using %A.
464 2000-10-23 Richard Henderson <rth@cygnus.com>
466 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
467 output registers as fixed.
468 (ia64_function_epilogue): Undo output fixation.
470 2000-10-23 Richard Henderson <rth@cygnus.com>
472 * config/alpha/alpha.md: Add names for all unnamed insns; use
473 define_insn_and_split in some obvious places.
475 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
476 (zero_extendqisi2, zero_extendqidi2): Likewise.
477 (zero_extendhisi2, zero_extendhidi2): Likewise.
478 (abs splitters): Fix match_scratch operand number.
479 (bcc_reverse): Swap pc & label instead of non-canonical compare.
481 2000-10-23 Jim Wilson <wilson@cygnus.com>
483 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
485 * ia64.md (cmpsi_adjusted): Use %r3.
486 (cmpdi_adjusted): Likewise.
488 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
490 * config/i386/att.h (ASM_FILE_START): Define.
492 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
494 * config/i386/linux.h (ASM_FILE_START): Define.
496 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
498 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
499 since this (only) drags in a crt0.o reference that the .ld files
502 2000-10-23 Geoff Keating <geoffk@cygnus.com>
504 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
505 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
506 reloads just like an RELOAD_FOR_OUTPUT would.
508 * local-alloc.c (update_equiv_regs): Add an abort(). When
509 deleting or moving insns, update reg_equiv[regno].init_insns.
511 2000-10-23 Mark Mitchell <mark@codesourcery.com>
513 * c-tree.texi: Improve documentation for IF_STMTs and related
514 conditional statements.
516 2000-10-22 Mark Mitchell <mark@codesourcery.com>
518 * expr.c (do_preexpand_calls): Remove.
519 (same_from_p): Don't use CALL_EXPR_RTL.
520 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
521 (preexpand_calls): Remove.
522 * tree.c (first_rtl_op): Remove CALL_EXPR case.
523 (unsave_expr_1): Likewise.
524 * tree.def (CALL_EXPR): Give it only two slots.
525 * tree.h (CALL_EXPR_RTL): Remove.
527 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
529 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
530 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
533 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
535 * calls.c (combine_pending_stack_adjustment_and_call): Don't
536 adjust stack when unadjusted_alignment ends up as zero.
538 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
540 * fixinc/genfixes: Remove EGCS reference.
541 * install.texi: Remove EGCS reference.
542 * INSTALL: Regenerate.
544 2000-10-22 Mark Mitchell <mark@codesourcery.com>
546 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
548 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
550 * diagnostic.c: Remove EGCS reference in comment.
552 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
554 * loop.c (strength_reduce): Fix error in last change.
556 2000-10-20 David Edelsohn <edelsohn@gnu.org>
558 * Makefile.in (SHLIB_NM_FLAGS): New.
559 (libgcc.mk): Pass it.
560 * mklibgcc.in (libgcc.map): Use it.
562 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
563 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
565 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
567 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
569 * sparc.c (load_pic_register): Delete unused varaible.
571 * libgcc2.c (__addvsi3): Delete unused variable.
573 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
574 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
575 __negvdi2): Prototype.
577 * ssa.c (apply_delayed_renames): Avoid undefined operation.
579 * toplev.c (display_target_options): Make static to match
580 prototype. Delete empty declaration.
582 2000-10-20 Tom Tromey <tromey@cygnus.com>
584 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
585 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
587 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
589 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
591 (expand_expr_unaligned, case ARRAY_REF): Check that index is
592 a constant before comparing it; use tree_low_cst.
593 * tree.c (save_expr): Set TREE_READONLY.
594 (substitute_expr): Return inside of NON_LVALUE_EXPR.
595 (build, build1): Set TREE_READONLY if all operands are.
596 (build_index_type): If upper bound is a negative number, lower
597 bound is zero and sizetype is unsigned, use upper bound of one and
600 2000-10-20 David Edelsohn <edelsohn@gnu.org>
602 * gcc.c (process_command, main): Use "because" instead of
603 "since" in error messages.
605 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
607 * stor-layout.c (compute_record_mode): Use tree_low_cst.
608 Don't use mode of field for record unless sizes are the same.
609 (layout_type, case ARRAY_TYPE): Remove special bounds handling
610 previously added for Ada; also change to using host_integerp
613 * loop.c (strength_reduce): Show when new register made for
614 giv is known to be a pointer and its aligment if so and known.
615 (loop_dump_aux): Show VERBOSE parameter unused.
617 * gcse.c (set_hash_table_size): Now unsigned.
618 * sdbout.c (template_name_p): Add "const" to avoid warnings.
619 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
620 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
621 (sdbout_end_epilogue): Remove variable NAME.
622 * system.h (getopt): Add default definition.
623 * config/alpha/alpha.c (print_operand): Don't continue processing
625 (summarize_insn): Avoid use of UL in constant.
627 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
629 * fold-const.c (force_fit_type): Unsigned values can overflow
630 if they are sizetype.
631 (int_const_binop): Don't use cache if overflows.
633 2000-10-20 Richard Henderson <rth@cygnus.com>
635 * function.c (locate_and_pad_parm): Zero alignment_pad.
637 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
638 perform substitutions, and apply_change_group to see if it worked.
640 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
642 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
644 * combine.c (struct undo): Change int to unsigned int.
645 (do_SUBST_INT): Args are unsigned int.
646 (make_extraction, force_to_mode): Use proper type when forming mask.
647 (make_field_assignment): Likewise.
649 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
651 * c-common.c (check_format_info_recurse): Extract string constant
652 initializers from non-volatile constant arrays and check them as
654 * c-typeck.c (decl_constant_value): Don't check pedantic or check
655 for DECL_MODE (decl) != BLKmode.
656 (decl_constant_value_for_broken_optimization): New function which
657 includes these checks.
658 (default_conversion, convert_for_assignment, digest_init): Use
659 decl_constant_value_for_broken_optimization instead of
662 2000-10-20 Mark Mitchell <mark@codesourcery.com>
664 * tree.h (DECL_ALIGN_UNIT): New macro.
666 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
668 * config/avr/avr-protos.h (avr_output_bld): New.
669 (out_shift_with_cnt): Add t_len argument.
670 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
671 (output_movqi, output_movhi, output_movsisf): Optimize loading
672 any constant with exactly one bit set to NO_LD_REGS.
673 (out_shift_with_cnt): Optimize output code for size or speed,
674 depending on optimize_size. Handle small shift counts as well
675 (if not hand-optimized in ?sh??i3_out). Shifts can be done
676 with or without a scratch register, with help of __tmp_reg__
677 or __zero_reg__ if necessary. Add T_LEN argument to pass the
678 length of TEMPLATE in words, return total insn length in *LEN.
679 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
680 out_shift_with_cnt to work with the above change.
681 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
682 lshrsi3_out): Likewise. Optimize more known shift count cases.
683 Remove cases already well optimized in out_shift_with_cnt.
684 (avr_output_bld): New function.
685 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
686 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
687 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
688 Add reload_completed to insn condition - only for peepholes.
689 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
690 in a register or memory.
691 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
692 Do not require a scratch register.
693 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
694 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
695 Optimize shifts by known count using a scratch register, but only
696 if one is still available after register allocation.
698 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
700 * t-vax: New file. Don't build modules from libgcc1.c.
702 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
704 * alias.c: (mark_constant_function): Don't check pure functions.
705 Initialize and end alias analysis.
706 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
707 Don't make a special exception for recursion. Handle
708 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
709 unless it's volatile.
711 * local-alloc.c (equivalence): New structure.
713 (contains_replace_regs): Remove array and use
715 (memref_referenced_p): Likewise.
716 (no_equiv): Likewise.
717 (update_equiv_regs): Likewise.
719 (equiv_init_varies_p,
720 equiv_init_movable_p): New functions.
721 (update_equiv_regs): Use them. Use rtx_varies_p
722 instead of function_invariant_p. Process insns
723 from end to beginning. Allow a REG_EQUIV insn
724 within the same loop as a use to be moved, also
725 allow it to be moved out of a loop. Update
726 REG_DEAD notes when substituting into an insn.
728 2000-10-19 Jim Wilson <wilson@cygnus.com>
730 * c-decl.c (start_decl): Check for error_mark_node type before using
732 (finish_decl): Likewise. Don't give an error if decl type is
733 already error_mark_node.
735 * haifa-sched.c (compute_trg_info): Add explanatory comments.
736 New local update_blocks. Use update_blocks to remove duplicates
737 when computing update blocks. Check for bblst_table overflow.
738 (schedule_block): Add explanatory comment. Reduce bblst_size by
740 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
743 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
745 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
747 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
749 * expmed.c: Minor corrections in comments.
750 * invoke.texi: Added desciption for the new option -ftrapv.
752 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
754 * libgcc2.c: Added the missing #endif.
756 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
758 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
760 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
762 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
763 Use smulv_optab for -ftrapv.
764 (expand_mult_highpart): Use unsigned multiply.
765 (expand_divmod): Special-case division by -1.
766 For EXACT_DIV_EXPR, do right shift first, then the multiply.
767 For complex divide, use abs with unsigned result.
768 * expr.c (force_operand): Use unsigned multiply.
769 (expand_expr): Use overflow-trapping optabs for signed types if
771 If flag_trapv, don't generate a recursive call with EXPAND_SUM
772 if the type is signed and the original call wasn't EXPAND_SUM or
774 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
775 (negv_optab, absv_optab): Declare.
776 * flags.h (flag_trapv): Declare.
777 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
778 smulv_optab, sdivv_optab, negv_optab and absv_optab.
779 (gen_insn): Interpret '$P' as requiring an integer mode,
780 including partial integer modes.
781 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
782 (product_cheap_p): Use unsigned expand_mult.
783 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
784 (negv_optab, absv_optab): Define.
785 (expand_binop): Use overflow-trapping optabs for signed types if
787 Handle negv_optab libe neg_optab.
788 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
789 Use overflow-trapping optabs for signed result if flag_trapv.
790 (expand_complex_abs): Use overflow-trapping optabs for signed types if
792 Don't open-code complex absolute-value operation for flag_trapv.
793 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
794 sdivv_optab, negv_optab and absv_optab.
795 * toplev.c (flag_trapv): Define.
796 (lang_independent_options f_options): Include flag_trapv.
797 * tree.h (TYPE_TRAP_SIGNED): Define.
798 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
799 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
801 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
802 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
804 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
805 David V. Henkel-Wallace <gumby@cygnus.com>
807 * config/i386/t-netware: Bring in from the Red Hat tree.
808 * config/i386/netware.h: Likewise.
809 * config/netware.h: Likewise.
810 * config/rs6000/netware.h: Delete.
811 * configure.in: Add i[34567]86-*-netware.
812 * configure: Hand-edit to match configure.in change.
814 2000-10-18 Mark Mitchell <mark@codesourcery.com>
816 * c-common.h (flag_no_builtin): Declare.
817 (flag_no_nonansi_builtin): Likewise.
818 (c_common_nodes_and_builtins): Change prototype.
819 * c-common.c (flag_no_builtin): New variable.
820 (flag_no_nonansi_builtin): Likewise.
821 (c_common_nodes_and_builtins): Remove parameters. Adjust
823 * c-decl.c (flag_no_builtin): Remove.
824 (flag_no_nonansi_builtin): Likewise.
825 (init_decl_processing): Adjust call to
826 c_common_nodes_and_builtins.
828 2000-10-18 Marc Espie <espie@openbsd.org>
830 * tm.texi (LIBGCC_SPEC): Synch with reality.
832 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
834 * c-common.c (check_format_types): Check for writing through a
835 NULL pointer argument.
837 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
839 * tm.texi (Exception Region Output): Document
840 DWARF_CIE_DATA_ALIGNMENT.
841 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
843 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
844 DWARF_CIE_DATA_ALIGNMENT.
846 2000-10-18 Michael Hayes <mhayes@cygnus.com>
848 * basic-block.h (struct loop): Delete fields pre_header_root
849 and pre_header_trace and replace with pre_header_edges
850 and num_pre_header_edges.
851 * flow.c (flow_loop_dump): Dump pre_header_edges.
852 (flow_loops_free): Free pre_header_edges.
853 (flow_loop_pre_header_scan): Calculate pre_header_edges.
855 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
857 * contrib.texi: Update references to steering committee members
858 and Jeff Law's entry.
860 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
862 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
863 (maybe_read_dollar_number, check_format_info_main): Use them for
864 pedantic warning messages.
866 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
868 * c-common.c (check_format_info_main): Minor cleanup: move
869 variables into inner scopes; initialize declarations where
870 appropriate; don't hardcode "scanf" name on warning for zero
873 2000-10-17 Mark Mitchell <mark@codesourcery.com>
875 * c-common.c (back_end_hook): New variable.
876 * c-common.h (back_end_hook): Declare it.
877 * c-lang.c (finish_file): Use it.
879 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
882 2000-10-18 Jan Hubicka <jh@suse.cz>
884 * i386.c (ix86_comparison_operator, put_condition_code,
885 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
886 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
887 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
888 * i386.md (adddi and negdi splitter): Use CCRCmode.
889 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
890 (subsi3_carry): add '*'
891 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
892 (cmp to add peep2): Use CCRCmode; swap operands.
894 2000-10-18 Kazu Hirata <kazu@hxi.com>
896 * h8300.c: Fix a comment typo.
897 (round_frame_size): New.
898 (compute_saved_regs): Likewise.
901 (push_order): Remove.
902 (pop_order): Likewise.
903 (function_prologue): Rearrange code for readability.
904 (function_epilogue): Likewise.
906 * config/h8300/h8300.md: Remove an unnecessary sign_extend
907 expander that is used when not optimizing. Output a tab after
910 * reorg.c: Fix formatting.
912 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
914 * reload1.c (move2add_note_store): Check for simple
915 auto-inc in destination.
917 2000-10-17 Michael Chastain <chastain@redhat.com>
919 * config/i386/i386-aout.h: define INT_ASM_OP.
921 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
923 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
925 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
927 * i370.md: Fix spelling typo.
929 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
931 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
932 Fixes execute/20001017-1.c on powerpc-linux-gnu.
934 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
935 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
938 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
939 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
941 * rs6000/aix.h: ...to here.
942 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
944 2000-10-17 Jakub Jelinek <jakub@redhat.com>
946 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
948 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
949 sure linker can relax even the delay slot mov %g1,%o7, fix output
952 2000-10-17 Kazu Hirata <kazu@hxi.com>
954 * config/h8300/h8300.md: Remove an unnecessary zero_extend
955 expander that is used when not optimizing. Output a tab after
958 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
960 * gcc.c: New options --target-help.
961 (process_command): Added code to parse this new option.
962 * toplev.c (display_target_options): New function to support the
964 * cppinit.c (new_pending_directive) : New option OPT_target__help.
965 (cpp_handle_option): Support this new option.
966 * invoke.texi: Added notes about --target-help option.
968 2000-10-17 Graham Stott <grahams@redhat.com>
970 * config/i386/i386.md (testqi_1): Add missing operand prefix
972 * config/i386/i386-protos.h: Add missing prototype.
974 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
976 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
977 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
978 using -mintel-syntax.
980 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
982 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
983 (format_types): Use it for printf.
984 (maybe_read_dollar_number): Add parameter for the kind of format
985 involved. Warn for multiple use for arguments if this is
986 inappropriate for the kind of format involved.
987 (check_format_info_main): Update calls to maybe_read_dollar_number.
989 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
991 * inclhack.def (hpux_maxint): Also apply fix to values.h.
992 * fixincl.x: Rebuilt.
994 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
996 * genrecog.c (write_switch): Return the first condition that needs a
999 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1001 * c-tree.h (warn_sequence_point): Move declaration to...
1002 * c-common.h (warn_sequence_point): ... here.
1003 * c-decl.c (warn_sequence_point): Move definition to...
1004 * c-common.c (warn_sequence_point): ... here.
1005 (struct reverse_tree): New.
1006 (reverse_list, reverse_max_depth): New static variables.
1007 (build_reverse_tree, common_ancestor, modify_ok
1008 verify_sequence_points): New functions.
1009 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1010 * c-typeck.c (check_modify_expr): Delete.
1011 (build_modify_expr): Don't call it.
1013 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1015 * c-common.h (warn_missing_format_attribute): New variable.
1016 * c-decl.c (warn_missing_format_attribute): New variable.
1017 (c_decode_option): Decode -Wmissing-format-attribute and
1018 -Wno-missing-format-attribute.
1019 * c-common.c (check_function_format): If
1020 -Wmissing-format-attribute, give a warning where a vprintf or
1021 vscanf function is called by a function without its own printf or
1023 * toplev.c (documented_lang_options): Add
1024 -Wmissing-format-attribute.
1025 * invoke.texi: Document -Wmissing-format-attribute.
1027 2000-10-17 Marc Espie <espie@openbsd.org>
1029 * invoke.texi (-shared): Insist on requiring code generation flags
1030 to be used along with -shared, and document the subtle failure that
1031 may occur otherwise.
1033 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1035 * pa.md (return_internal): Move `use' after `return'.
1037 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1039 * machmode.def: Correct comment.
1041 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1043 * print-rtl.c (print_rtx_head): Constify.
1044 * rtl.h (print_rtx_head): Similarly.
1046 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1047 Constify char * return value.
1049 (output_64bit_and, output_64bit_ior): Constify char * return value.
1050 (pa_can_combine_p): Make static.
1051 (function_arg): Decorate unused `named' argument. Fix comment typo.
1052 (function_arg_partial_nregs): Decorate unused `named' argument.
1054 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1056 * c-common.c (format_check_results): New structure.
1057 (finish_dollar_format_checking): Adjust to take a
1058 format_check_results * parameter.
1059 (check_format_info, check_format_info_recurse,
1060 check_format_info_main): Split check_format_info into three
1061 functions, the main checking going in check_format_info_main.
1062 Recurse when any reduction of the format string argument towards a
1063 string literal is done; go down both branches of a conditional
1064 expression. Don't warn for extra format arguments or empty format
1065 strings if they only occur in some branches of a conditional
1068 2000-10-16 Kazu Hirata <kazu@hxi.com>
1070 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1072 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1074 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1076 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1078 * i386.md (*movsi_or): Switch operand order for intel syntax.
1080 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1084 * gcc.texi (Contributing): Update.
1086 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1088 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1089 appropriate assembler dialect.
1091 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1093 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1095 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1097 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1098 constants 1 and 2 to NO_LD_REGS.
1100 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1102 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1104 * objc/Make-lang.in (objc-parse.c): Likewise.
1106 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1108 * arm.c: Include obstack.h
1109 (minipool_obstack, minipool_startobj): Define.
1110 (arm_add_gc_roots): Initialize them.
1111 (create_fix_barrier): Use our new obstack.
1112 (push_minipool_barrier, push_minipool_fix): Likewise.
1113 (arm_reorg): Release obstack memory.
1115 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1117 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1118 (prologue, exception_receiver, builtin_setjmp_receiver): New
1120 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1121 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1122 (load_pic_register): New prototype.
1123 * config/sparc/sparc.c (pic_setup_code): Remove.
1124 (finalize_pic): Rename to...
1125 (load_pic_register): ...this function.
1126 Don't look for nonlocal_goto_receivers and emit pic setup code
1127 directly. Don't check current_function_uses_pic_offset_table.
1129 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1131 * tree.h (struct obstack): Declare.
1133 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1136 * Makefile.in (ggc-callbacks.o): Remove target.
1137 (flow.o): Depend on GGC_H.
1138 * alias.c (init_alias_analysis):
1139 Remove ggc_p conditionals.
1140 (end_alias_analysis): Likewise.
1141 * basic-block.h (init_flow): New function.
1142 (allocate_reg_life_data): Declare.
1143 * bb-reorder.c (function_obstack): Replace with ...
1144 (flow_obstack): ... new variable.
1145 (fixup_reorder_chain): Use it.
1146 * c-decl.c (ggc_p): Remove.
1147 (caller-save.c): Don't call oballoc/obfree.
1149 undobuf): Remove storage.
1150 (try_combine): Don't call oballoc.
1151 (undo_all): Don't call obfree.
1152 * cse.c (insert): Use xmalloc, not
1154 (cse_main): Adjust accordingly.
1155 * dwarf2out.c (save_rtx): Remove
1157 (dwarf2out_init): Remove ggc_p conditionals.
1158 * emit-rtl.c (rtl_obstack): Remove.
1159 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1160 (make_insn_raw): Likewise.
1161 (emit_insn_before): Likewise.
1162 (emit_insn_after): Likewise.
1163 (emit_insn): Likewise.
1164 (gen_sequence): Likewise.
1165 (copy_insn_1): Remove handling of `b' RTL components.
1166 (init_emit_once): Remove ggc_p conditionals.
1167 * except.c (create_rethrow_ref): Don't fool with obstacks.
1168 (add_partial_entry): Likewise.
1169 (call_get_eh_context): Likewise.
1170 (begin_protect_partials): Likewise.
1171 (protect_with_terminate): Likewise.
1173 (plus_constant_wide): Likewise.
1174 * expr.c (init_expr_once):
1176 (emit_block_move): Likewise.
1177 (clear_storage): Likewise.
1178 (expand_expr): Likewise.
1179 * flow.c (function_obstack): Remove.
1180 (flow_obstack): New variable.
1181 (flow_firstobj): Likewise.
1182 (create_base_block): Use the flow_obstack.
1183 (split_block): Likewise.
1184 (split_edge): Likewise.
1185 (calculate_global_regs_live): Likewise.
1186 (allocate_bb_life_data): Make it static. Likewiwse.
1187 (init_flow): New function.
1188 (size_int_type_wide): Remove ggc_p conditionals.
1190 (push_function_context_to): Don't call save_tree_status.
1191 (pop_function_context_from): Or restore_tree_status.
1192 (assign_stack_local_1): Don't call push_obstacks.
1193 (find_fixup_replacement): Use xmalloc.
1194 (fixup_var_refs_insns): Free the storage.
1195 (insns_for_mem_walk): Don't mess with obstacks.
1196 (instantiate_decls): Likewise.
1197 (trampoline_address): Likewise.
1198 (expand_function_end): Likewise.
1199 * function.h (sturct function):
1200 Remove obstack-related variables.
1201 (save_tree_status): Don't declare.
1202 (restore_tree_status): Likewise.
1203 * gcse.c (compute_can_copy):
1204 Don't call oballoc/obfree.
1205 * genattrtab.c (operate_exp): Remove
1207 (simplify_cond): Likewise.
1208 (simplify_test_exp): Don't mess with obstacks.
1209 (optimize_attrs): Likewise.
1210 * gengenrtl.c (gendef): Don't include
1212 * ggc-callbacks.c (ggc_p): Remove.
1213 * ggc-none.c (ggc_p): Remove.
1214 * ggc.h (ggc_p): Don't declare.
1215 * integrate.c (save_for_inline): Don't mess with obstacks.
1216 (integrate_decl_tree): Likewise.
1217 (output_inline_function): Likewise.
1219 (init_EXPR_INSN_LIST_cache): Likewise.
1220 * loop.c (temp_obstack):
1222 (rtl_obstack): Likewise.
1223 (init_loop): Don't mess with obstacks.
1224 (reg_address_cost): Free BIVs and GIVs.
1225 (check_insns_for_bivs): Use xmalloc, not oballoc.
1226 (find_mem_givs): Likewise.
1227 (record_biv): Likewise.
1228 (general_induction_var): Likewise.
1229 (product_cheap_p): Likewse.
1230 * optabs.c (init_one_libfunc): Remove
1232 * print-tree.c (debug_tree): Don't use
1234 (print_node): Likewise.
1235 * profile.c (output_func_start_profiler):
1236 Remove call to temporary_allocation.
1238 (eliminate_regs_in_insn): Don't mess with obstacks.
1240 (mark_target_live_regs): Use xmalloc.
1241 (free_resource_info): Free the memory.
1242 * rtl.c (rtl_obstack):
1244 (rtvec_alloc): Don't mess with obstacks.
1245 (rtx_alloc): Likewise.
1247 (copy_rtx): Don't handle `b' cases.
1248 (read_rtx): Use a local rtl_obstack.
1249 * rtl.h (oballoc): Remove.
1251 (pop_obstacks): Likewise.
1252 (push_obstacks): Likewise.
1253 (allocate_bb_life_data): Likewise.
1254 (allocate_reg_life_data): Likewise.
1255 (rtx_free): Likewise.
1256 * sdbout.c (sdbout_queue_anonymous_type):
1257 Use tree_cons, not saveable_tree_cons.
1259 (cselib_init): Don't mess with obstacks.
1261 (mark_block_nesting): Mark the label_chain.
1262 (epxand_label): Use ggc_alloc, not oballoc.
1263 (clear_last_expr): Don't mess with obstacks.
1264 (expand_decl_cleanup): Likewise.
1265 (expand_dcc_cleanup): Likewise.
1266 (expand_dhc_cleanup): Likewise.
1267 (expand_anon_union_decl): Likewise.
1268 (add_case_node): Use xmalloc, not oballoc.
1269 (free_case_nodes): New function.
1270 (expand_end_case): Call it.
1271 * stor-layout.c (layout_type): Don't
1273 (layout_type): Likewise.
1274 * toplev.c (wrapup_global_declarations):
1276 (compile_file): Remove ggc_p conditionals.
1277 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1278 (decode_f_option): Remove ggc_p conditionals.
1280 (function_maybepermanent_obstack): Remove.
1281 (maybepermanent_obstack): Likewise.
1282 (function_obstack): Likewise.
1283 (tmeporary_obstack): Likewise.
1284 (momentary_obstack): Likewise.
1285 (temp_decl_obstack): Likewise.
1286 (saveable_obstack): Likewise.
1287 (rtl_obstack): Likewise.
1288 (current_obstack): Likewise.
1289 (expression_obstack): Likewise.
1290 (struct obstack_stack): Likewise.
1291 (obstack_stack): Likewise.
1292 (obstack_stack_obstack): Likewise.
1293 (maybepermanent_firstobj): Likewise.
1294 (temporary_firstobj): Likewise.
1295 (momentary_firstobj): Likewise.
1296 (temp_decl_firstobj): Likewise.
1297 (momentary_function_firstobj): Likewise.
1298 (all_types_permanent): Likewise.
1299 (struct momentary_level): Likewise.
1300 (momentary_stack): Likewise.
1301 (init_obstacks): Remove initialization of removed obstacks.
1302 (save_tree_status): Remove.
1303 (restore_tree_status): Likewise.
1304 (temporary_allocation): Liekwise.
1305 (end_temporary_allocation): Liekwise.
1306 (resume_temporary_allocation): Likewise.
1307 (saveable_allocation): Likewise.
1308 (push_obstacks): Likewise.
1309 (push_obstacks_nochange): Likewise.
1310 (pop_obstacks): Likewise.
1311 (allocation_temporary_p): Likewise.
1312 (permanent_allocation): Likewise.
1313 (preserve_data): Likewise.
1314 (preserve_initializer): Likewise.
1315 (rtl_in_current_obstack): Likewise.
1316 (rtl_in_saveable_obstack): Likewise.
1317 (oballoc): Likewise.
1319 (savealloc): Likewise.
1320 (expralloc): Likewise.
1321 (print_obstack_name): Likewise.
1322 (debug_obstack): Likewise.
1323 (object_permanent_p): Likewise.
1324 (push_momentary): Likewise.
1325 (perserve_momentary): Likewise.
1326 (clear_momentary): Likewise.
1327 (pop_momentary): Likewise.
1328 (pop_momentary_nofree): Likewise.
1329 (suspend_momentary): Likewise.
1330 (resume_momentary): Likewise.
1331 (make_node): Don't set TREE_PERMANENT.
1332 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1333 Don't set TREE_PERMANENT.
1334 (get_identifier): Remove ggc_p conditionals.
1335 (build_string): Likewise.
1336 (make_tree_vec): Likewise.
1337 (build_decl_list): Remove.
1338 (build_expr_list): Likewise.
1339 (tree_cons): Remove ggc_p conditionals.
1340 (decl_tree_cons): Remove.
1341 (expr_tree_cons): Likewise.
1342 (perm_tree_cons): Likewise.
1343 (temp_tree_cons): Likewise.
1344 (saveable_tree_cons): Likewise.
1345 (build1): Remove ggc_p conditionals.
1346 (build_parse_node): Likewise.
1347 (build_type_attribute_variant): Don't mess with obstacks.
1348 (build_type_copy): Likewise.
1349 (type_hash_canon): Likewise.
1350 (build_pointer_type): Likewise.
1351 (build_reference_type): Likewise.
1352 (build_index_type): Likewise.
1353 (build_range_type): Likewise.
1354 (dump_tree_statistics): Don't print obstack information.
1356 (struct tree_common): Remove permanent_flag.
1357 (TREE_PERMANENT): Remove.
1358 (TREE_SET_PERMANENT): Likewise.
1359 (TYPE_OBSTACK): Likewise.
1360 (struct tree_type): Remove obstack.
1362 (savealloc): Likewise.
1363 (build_decl_list): Likewise.
1364 (build_expr_list): Likewise.
1365 (perm_tree_cons): Likewise.
1366 (temp_tree_cons): Likewise.
1367 (saveable_tree_cons): Likewise.
1368 (decl_tree_cons): Likewise.
1369 (expr_tree_cons): Likewise.
1370 (suspend_momentary): Likewise.
1371 (allocation_temporary_p): Likewise.
1372 (resume_momentary): Likewise.
1373 (push_obstacks_nochange): Likewise.
1374 (permanent_allocation): Likewise.
1375 (push_momentary): Likewise.
1376 (clear_momentary): Likewise.
1377 (pop_momentary): Likewise.
1378 (end_temporary_allocation): Likewise.
1379 (pop_obstacks): Likewise.
1380 (push_obstacks): Likewise.
1381 (pop_momentary_nofree): LIkewise.
1382 (preserve_momentary): Likewise.
1383 (saveable_allocation): Likewise.
1384 (temporary_allocation): Likewise.
1385 (resume_temporary_allocation): Likewise.
1386 (perserve_initializer): Likewise.
1387 (debug_obstack): Likewise.
1388 (rtl_in_current_obstack): Likewise.
1389 (rtl_in_saveable_obstack): Likewise.
1391 * varasm.c (current_obstack): Remove.
1392 (saveable_obstack): Remove.
1393 (rtl_obstack): Remove.
1394 (immed_double_const): Don't mess with obstacks.
1395 (immed_real_cons): Likewise.
1396 (output_constant_def): Likewise.
1397 (init_varasm_status): Use xcalloc.
1398 (mark_pool_constant): Mark the pool constant itself.
1399 (free_varasm_status): Free memory.
1400 (decode_rtx_const): Call bzero directly, rather than expanding it
1402 (record_rtx_const): Don't mess with obstacks.
1403 (force_const_mem): Likewise.
1404 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1406 (aof_pic_entry): Likewise.
1407 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1408 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1409 * config/pa/pa.c (saveable_obstack): Remove.
1410 (rtl_obstack): Likewise.
1411 (current_obstack): Likewise.
1412 (output_call): Don't mess with obstacks.
1413 (hppa_encode_label): Remove ggc_p conditionals.
1414 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1415 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1416 (rs6000_encode_section_info): Likewise.
1417 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1419 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1421 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1422 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1423 (addsi3_carry): Canonicalize.
1424 (addqi_5): Remove '*'.
1425 (sbb pattern): Canonicalize.
1427 * i386.md (cmp to inc/add peep2): New.
1429 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1431 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1434 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1436 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1437 * README.TRAD, TESTS.FLUNK: Remove.
1439 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1441 * c-common.c (decl_attributes): Don't allow strftime formats with
1442 first_arg_num nonzero.
1443 (check_format_info): Set wanted_type and wanted_type_name to zero
1444 before they are possibly assigned and used.
1446 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1448 * c-common.c (scanf_flag_specs): Add flags ' and I.
1449 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1450 or the ^ and # flags together.
1451 (scan_char_table): Handle the ' and I flags.
1452 (format_types): Add ' and I flags for scanf.
1454 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1456 * c-common.c (print_char_table): Use the unpromoted type for
1457 lengths "h" and "hh" with conversions dioxXu.
1458 (check_format_types): Apply the default argument promotions where
1459 the wanted type is not a pointer target.
1461 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1462 Joseph S. Myers <jsm28@cam.ac.uk>
1464 * c-typeck.c (check_modify_expr): New function.
1465 (build_modify_expr): Call it if warn_sequence_point.
1466 * c-decl.c (warn_sequence_point): New variable.
1467 (c_decode_option): Handle -Wsequence-point and
1468 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1469 * c-tree.h (warn_sequence_point): Declare.
1470 * invoke.texi (-Wsequence-point): Document.
1471 * toplev.c (documented_lang_options): Add -Wsequence-point and
1472 -Wno-sequence-point.
1473 Original work by Michael Meeks, 16 Jun 1998.
1475 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1477 * tree.c (get_narrower): Don't look at precision of field if
1480 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
1482 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
1483 declaration for data with "progmem" attribute.
1485 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
1487 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
1488 Correct insn length if shift count is a memory operand.
1489 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
1490 (*iorhi3_clobber): Change lo8 to hi8.
1491 (zero_extendhisi2): Change %B0 to %A1.
1492 (ashlhi3, ashrhi3): Correct insn length.
1493 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
1494 from "clobber" to "set_n" in some alternatives.
1496 2000-10-10 Jakub Jelinek <jakub@redhat.com>
1498 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
1499 remove its insn_chain structure as well.
1501 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1503 * dbxout.c (dbxout_source_line): Remove extra tab.
1505 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
1507 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
1509 2000-10-09 Richard Henderson <rth@cygnus.com>
1511 * Makefile.in (LANG_LIB2FUNCS): Remove.
1512 (LIB2FUNCS): Remove _pure.
1513 (LIB2ADD): Remove LANG_LIB2FUNCS.
1514 (stage_a): Don't set LANG_LIB2FUNCS.
1515 * libgcc2.c (__terminate): Mark noreturn.
1516 (__pure_virtual): Remove.
1517 * mklibgcc.in: Remove LIB2ADD .txt processing.
1519 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1521 * arm.md (push_multi): Revert unintended change.
1523 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1525 * arm.c: Miscellaneous white space and comment clean-ups. No
1529 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1531 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
1532 STRING_CST by calling combine_strings.
1534 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1536 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
1537 (thumb_output_move_mem_multiple): Support new insn format.
1538 * arm.md (movmem12b): Use SSA compatible format.
1539 (movmem8b): Likewise.
1541 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1543 * arm.md (predicable): New attribute, default to "no".
1544 (all patterns): Mark as predicable if appropriate.
1545 (conditional execution splits): Split using predication format.
1546 (define_cond_exec): Define.
1547 * arm.c (arm_print_operand): handle insn predicate.
1549 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1551 * README.NS32K: Remove file.
1553 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1555 * README-bugs: Remove file.
1557 2000-10-08 Philipp Thomas <pthomas@suse.de>
1558 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
1560 * configure: Rebuilt.
1562 2000-10-08 Philipp Thomas <pthomas@suse.de>
1563 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
1564 disable catalog building if no suitable program was found.
1565 Move warning message from here
1566 (AM_GNU_GETTEXT): To here.
1567 * configure: Rebuilt.
1569 2000-10-08 Philipp Thomas <pthomas@suse.de>
1570 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
1571 different cache variables.
1572 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
1573 uses different cache variables.
1574 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
1575 * configure: Regenerated.
1577 2000-10-08 Richard Henderson <rth@cygnus.com>
1579 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
1580 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
1581 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
1584 * config/t-linux (SHLIB_EXT): New.
1585 (SHLIB_LINK): Use the entire build command, with substitutions.
1586 (SHLIB_LIBS): Remove.
1587 * config/alpha/t-osf4: Likewise.
1588 * config/mips/t-iris6: Likewise.
1589 * config/sparc/t-sol2: Likewise, but move shlib stuff...
1590 * config/sparc/t-slibgcc-sld: ...here.
1591 * config/sparc/t-slibgcc: New file.
1593 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1595 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
1596 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
1598 (intmax_type_node, uintmax_type_node): Define.
1599 * c-common.c (decl_attributes): If pedantic, warn if `mode'
1600 attributes create a type wider than intmax_t.
1601 (T_IM, T_UIM): Define properly.
1602 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
1604 (init_decl_processing): Initialize intmax_type_node and
1606 * c-lex.c (lex_number): When pedantic and warning for integer
1607 constants that are too large, in C99 mode warn for those that have
1608 a type wider than long long.
1610 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1612 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
1613 FMT_FLAG_FANCY_PERCENT_OK): Define.
1614 (format_char_info): Add flag "4" to comment.
1615 (format_flag_spec, format_flag_pair): New structures.
1616 (format_kind_info): Add additional fields to control format
1618 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
1619 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
1621 (time_char_table): Use "4" flag to handle %Ey.
1622 (format_types): Add entries for new fields.
1623 (get_flag_spec): New function.
1624 (check_format_info): Increase size of flag_chars[] to 256.
1625 Control format checking using the new fields of a format_kind_info
1626 and the new tables; remove all conditionals on printf_format_type,
1627 scanf_format_type or strftime_format_type. Handle all details of
1628 bad combinations of flags (including width, precision and strftime
1629 modifiers) through data rather than ad hoc code. Handle all
1630 details of standard versions in which flags appeared through
1631 data. Use the "4" flag.
1633 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
1635 * config/h8300/h8300.md: Remove the memory alternative and correct
1636 the insn lengths in the templates for sign extention and zero
1639 2000-10-07 Richard Henderson <rth@cygnus.com>
1641 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
1642 * flow.c (make_edges): Revert last change.
1644 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
1646 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
1648 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
1650 * config/alpha/elf.h: Standardize the formatting.
1652 2000-10-06 David O'Brien <obrien@FreeBSD.org>
1654 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
1657 2000-10-06 Richard Henderson <rth@cygnus.com>
1659 * function.c (diddle_return_value): Examine
1660 current_function_return_rtx instead of the DECL_RESULT.
1661 (expand_function_end): Handle reloading DECL_RESULT from memory
1662 into a hard register. Query promote_mode for sign of mismatched
1665 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1667 * haifa-sched.c (schedule_insns): Fix typo in freeing
1668 forward_dependency_cache.
1670 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1672 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
1673 `TARGET_SH2' as a condition.
1675 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1677 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
1678 forward_dependency_cache): New variables.
1679 (add_dependence, remove_dependence): Use anti_dependency_cache and
1680 output_dependency_cache.
1681 (compute_block_forward_dependences): Use forward_dependency_cache.
1682 (schedule_insns): Allocate and free memory for anti/output/forward
1683 dependencies caches.
1685 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1687 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
1688 `! TARGET_SH1'. Reindent.
1690 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1692 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
1693 Move functions from here ...
1695 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
1697 (c_expand_builtin): New function.
1698 (init_function_format_info): Don't set `check_function_format_ptr'.
1699 (c_common_nodes_and_builtins): Set built_in_class type for
1700 printf/__builtin_printf to BUILT_IN_FRONTEND.
1701 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
1703 * c-common.h (build_function_call): Declare.
1705 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
1706 to `lang_expand_expr' rather than `expand_builtin'.
1708 * tree.c (check_function_format_ptr): Delete.
1710 * tree.h (check_function_format_ptr): Likewise.
1712 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
1714 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
1715 DW_OP_bregx when cfa->reg > 31.
1717 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
1720 2000-10-05 Richard Henderson <rth@cygnus.com>
1722 * c-decl.c (warn_missing_noreturn): Remove.
1723 (c_expand_body): Don't set or check can_reach_end.
1724 * c-tree.h (warn_missing_noreturn): Move ...
1725 * flags.h: ... here.
1726 (can_reach_end): Remove.
1727 * flow.c (check_function_return_warnings): New.
1728 (make_edges): No edge to exit for noreturn sibcalls.
1729 * function.c (expand_function_end): Save the return value
1730 clobber instruction.
1731 (mark_function_status): Mark it.
1732 * function.h (struct function): Add x_clobber_return_insn.
1733 * jump.c (can_reach_end): Remove.
1734 (calculate_can_reach_end): Remove.
1735 (jump_optimize_1): Don't call it.
1736 * output.h (check_function_return_warnings): Declare.
1737 * toplev.c (warn_missing_noreturn): Move from c-decl.c
1738 (rest_of_compilation): Call check_function_return_warnings.
1740 2000-10-05 Richard Henderson <rth@cygnus.com>
1742 * Makefile.in (NM_FOR_TARGET): New.
1743 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
1744 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
1745 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
1746 shared library build on that and EXTRA_MULTILIB_PARTS.
1747 * mkmap-flat.awk: New file.
1748 * mkmap-symver.awk: New file.
1749 * libgcc-std.ver: New file.
1750 * config/libgcc-glibc.ver: New file.
1751 * config/ia64/libgcc-ia64.ver: New file.
1752 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1753 (SHLIB_LINK): Add --version-script.
1754 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
1755 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1756 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1757 (SHLIB_LINK): Add -M.
1759 2000-10-05 Richard Henderson <rth@cygnus.com>
1761 * Makefile.in (LIB2FUNCS): Add _clz.
1762 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
1763 (__clz_tab): Put in its own unit, non-static.
1764 * libgcc2.h: Always include longlong.h.
1766 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
1767 a zero instead of -1.
1768 (count_trailing_zeros): Likewise.
1770 2000-10-05 Richard Henderson <rth@cygnus.com>
1772 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
1773 when second op1 is const0_rtx. Validate op0 as a register.
1774 * config/alpha/alpha.md (setcc_internal): Don't allow constants
1775 in the first argument of the compare.
1776 (setcc_swapped_internal): Likewise.
1777 (setne_internal): Likewise.
1779 2000-10-05 Geoff Keating <geoffk@cygnus.com>
1781 * tree.c (tree_size): New function split out of copy_node.
1782 (make_node): Remove obstack handling. Use tree_size.
1783 (copy_node): Use tree_size.
1784 * tree.h: Prototype tree_size.
1786 2000-10-05 Richard Henderson <rth@cygnus.com>
1788 * diagnostic.c (output_format): Add missing break.
1790 2000-10-05 Jim Wilson <wilson@cygnus.com>
1792 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
1793 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
1794 sequence insn to INSN, and delete last sequence insn.
1796 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
1798 * gcc.c (main): Include generated configargs.h header
1799 and use arguments in '-v' output.
1801 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1803 * gcc.c: Move data on prefixes forward in file and reorganize.
1804 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
1805 Always define, but make null if no value.
1806 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
1807 and "md_startfile_prefix_1".
1808 (main): Check whether md_exec_prefix and the others are the
1809 null string rather than whether the macro is defined.
1811 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1813 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
1814 from PSImode to SImode.
1816 2000-10-05 Jakub Jelinek <jakub@redhat.com>
1818 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
1819 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
1820 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
1823 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1825 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
1826 negation in proper type.a
1828 2000-10-04 Richard Henderson <rth@cygnus.com>
1830 * configure.in (enable-shared): New.
1831 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
1832 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
1833 * mklibgcc.in: Use them to link shared a libgcc.
1834 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
1835 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
1836 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
1837 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
1839 * configure.in (alpha-osf*): Use t-osf and x-osf.
1840 * config/alpha/t-osf: New file.
1841 * config/alpha/t-osf4: New file.
1842 * config/alpha/x-osf: New file.
1843 * config/alpha/x-alpha: Remove file.
1845 2000-10-04 Will Cohen <wcohen@redhat.com>
1847 * c-typeck.c (process_init_element): Added warning for zero-length
1850 * extend.texi (Zero Length): State that static initializers for
1851 zero-length arrays are not allowed.
1853 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
1855 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
1858 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1860 * config/float-c4x.h: New.
1861 * configure.in (c4x-*): Set float_format to c4x.
1862 * configure: Regenerate.
1864 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1866 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
1867 compilation for solaris versions 2.7 and greater.
1869 2000-10-02 Marc Espie <espie@openbsd.org>
1871 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
1872 instead of redefining from scratch.
1874 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
1876 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
1878 2000-10-01 Mark Mitchell <mark@codesourcery.com>
1880 * config/ns32k/genix.h: Remove.
1881 * config/ns32k/x-genix: Likewise.
1882 * config/ns32k/xm-genix.h: Likewise.
1883 * config/fx80: Remove all filee in directory.
1884 * config/pyr: Likewise.
1885 * config/tahoe: Likewise.
1886 * config/gmicro: Likewise.
1887 * config/spur: Likewise.
1888 * configure.in: Remove configury bits for above targets.
1889 * configure: Regenerated.
1891 * configure.in: Don't configure chill by default.
1892 * configure: Regenerated.
1894 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
1895 (lang_mark_false_label_stack): Remove.
1896 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
1897 <top level> string in GC area.
1898 (mark_splay_tree_node): New function.
1899 (mark_splay_tree): Likewise.
1900 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
1902 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
1903 * ggc-common.c (lang_mark_false_label_stack): Change type.
1904 * ggc.h (ggc_alloc_string): Add comment.
1905 (ggc_strdup): New function.
1907 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
1909 * config/avr/avr.h (BRANCH_COST): Define as 0.
1911 * config/pdp11/pdp11.c: #include "tree.h" added.
1913 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
1915 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
1916 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
1917 with known shift count.
1918 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
1919 New alternative for shift count 2 with no scratch register.
1920 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
1921 "set_n" for shift counts 1 and 2.
1923 2000-09-30 Geoff Keating <geoffk@cygnus.com>
1925 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
1926 the mask value from the individual SET operations.
1927 (return_internal_si): Move the USE after the RETURN.
1928 (return_internal_di): Likewise.
1929 (return_and_restore_fpregs_si): Likewise.
1930 (return_and_restore_fpregs_di): Likewise.
1931 (return_eh_si): Likewise.
1932 (return_eh_di): Likewise.
1933 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
1935 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
1936 Don't generate a PARALLEL around a single operation movsi_to_cr.
1937 Generate the RETURN first in any PARALLELs.
1939 * rtlanal.c (single_set_1): Use fatal_insn to display the
1940 invalid insn. Check for more cases when a USE or CLOBBER occurs
1942 * Makefile.in: Update dependencies for rtlanal.o.
1944 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
1946 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
1948 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
1950 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
1951 Consistently use @email for formatting email addresses.
1953 2000-09-29 Richard Henderson <rth@cygnus.com>
1955 * cse.c (notreg_cost): New argument outer.
1956 (COST): Pass in SET to notreg_cost
1958 (fold_rtx): Use COST_IN. Prefer constants when costs
1961 2000-09-29 David Edelsohn <edelsohn@gnu.org>
1963 * fixinc/inclhack.def (broken_cabs): Generalize regex.
1964 * fixinc/fixincl.x: Regenerate.
1966 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1968 * loop.c (check_final_value): A GIV is not replaceable if used
1971 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
1973 * version.c: Bump to gcc-2.97.
1975 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
1977 * final.c (final_scan_insn): Remove extra extract_insn call;
1978 Use caching for constrain_operands.
1979 (cleanup_subreg_operands): Use caching for extract_insn.
1980 * recog.c (constrain_operands_cached): New.
1981 * recog.h (constrain_operands_cached): Declare.
1982 * i386.c (ix86_attr_length_immediate_default,
1983 ix86_attr_length_address_default, ix86_agi_dependant): Cache
1986 * recog.c (asm_noperands): Tweak.
1987 (extract_insn): Do not call asm_noperads for non-asm instructions.
1989 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1991 * recog.c (recog_memoized): Rename to recog_memoized_1.
1992 * recog.h (recog_memoized): Rename to recog_memoized_1.
1993 (recog_memoized): New macro.
1994 * rtl.h (single_set): Rename to single_set_1
1995 (single_set): New macro.
1996 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
1999 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2000 Do not use match_dup of input operands at outputs.
2001 Use register_operand for memory expression.
2002 (rep_movsi): Put use last, canonicalize.
2003 Use register_operand for memory expression.
2004 (rep_movqi): Put use last.
2005 Use register_operand for memory expression.
2006 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2007 of input operands at outputs. Use register_operand for memory
2009 (rep_stossi): Put use last; canonicalize; fix match_dup in
2010 the address expression
2011 (rep_stosqi): Likewise.
2012 (memcmp expander): Update calls.
2013 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2016 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2018 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2020 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2022 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2023 Contains the old contents of config/i386/freebsd.h
2024 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2025 Contains the old contents of config/i386/freebsd-elf.h
2026 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2027 config/i386/freebsd.h.
2028 * configure.in: Adjust for above changes.
2029 * po/POTFILES.in: Likewise.
2030 * po/en_GB.po: Likewise.
2031 * po/gcc.pot: Likewise.
2032 * configure: Rebuilt.
2034 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2036 * doloop.c (doloop_modify): Prevent delete_insn() from
2037 deleting too much. Prefer loop->top over loop->start as
2038 target for the new JUMP insn.
2039 (doloop_valid_p): Ignore loop with exit_count != 0.
2041 2000-09-28 Philipp Thomas <pthomas@suse.de>
2043 * invoke.texi (i386 Options): Add athlon to table of possible
2046 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2048 * diagnostic.h (output_clear_message_text): New function.
2049 (output_message_text): New macro.
2051 * diagnostic.c (clear_text_info): Rename to
2052 output_clear_message_text.
2053 (output_clear): Adjust.
2054 (output_finish): Rename to output_finalize_message. Tweek.
2055 (output_to_stream): Adjust.
2057 2000-09-28 Neil Booth <neilb@earthling.net>
2059 * cpperror.c (_cpp_begin_message): Do the test for suppression
2060 of warnings and pedantic warnings before the "is a warning an
2062 * cppinit.c (cpp_handle_option): Remove surplus \n.
2063 * cpplex.c (ON_REST_ARG): Delete.
2064 (skip_block_comment): Initialise prevc.
2065 (parse_args): Improve error messages.
2066 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2068 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2069 * cppmain.c (main): Set callbacks for #ident and #pragma
2070 only if no_output option is false.
2071 (do_pragma_implementation): Only call the #pragma handler
2072 if it is set in the cpp_reader structure.
2074 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2076 * integrate.c (copy_insn_list): if an ignored return value
2077 is being clobbered, skip cloning that into the inline copy.
2079 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2081 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2082 use @uref for formatting URLs.
2084 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2086 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2089 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2091 * gcc.c (cpp_options): Add spec for -ftabstop=.
2092 (invoke_as): New spec that handles invoking as.
2093 Update specs to handle -save-temps and -traditional.
2094 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2096 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2097 invoke_as, and handle -save-temps and -traditional (if
2100 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2102 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2104 (function_arg_slotno): Accept TImode/CTImode.
2105 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2108 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2110 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2113 2000-09-25 Jim Wilson <wilson@cygnus.com>
2115 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2116 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2117 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2118 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2120 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2122 * cpplex.c (parse_args): Don't set VOID_REST flag.
2123 (CONTEXT_VARARGS): New flag.
2124 (maybe_paste_with_next): Set context earlier in loop. Use
2125 it. Do varargs test with CONTEXT_VARARGS flag.
2126 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2127 pushing an argument context for a varargs argument.
2128 * cpplib.h (VOID_REST): Delete.
2129 * gcc.dg/cpp/vararg1.c: Add test case.
2131 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2133 * flags.h: Declare warning flag warn_system_headers.
2134 * toplev.c: Define it.
2135 (W_options): Add option -Wsystem-headers.
2136 * diagnostic.c (count_error): Test warn_system_headers.
2137 * invoke.texi: Add description for -Wsystem-headers.
2138 * cpplib.h (cpp_options): New member warn_system_headers.
2139 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2140 CPP_IN_SYSTEM_HEADER.
2141 * cpplib.c (do_import, do_pragma_once): Likewise.
2142 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2143 and CPP_IN_SYSTEM_HEADER.
2144 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2145 (print_help): Describe -Wsystem_headers.
2146 * cpplex.c (lex_line): Reorganize condition so that warnings
2147 about C++ comments in system headers can be enabled. Remove
2148 label do_line_comment.
2150 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2152 * cpplex.c (save_comment): Only store the initial '/'
2154 (lex_token): Combine handling of the two comment types.
2155 Pass everything but the initial '/' to save_comment.
2157 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2159 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2160 _cpp_can_paste): New library-internal prototypes.
2161 * cpplex.c (dump_param_spelling, output_line_command,
2162 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2163 cpp_printf, cpp_output_list): Move to cppoutput.c.
2164 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2165 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2167 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2168 dump_param_spelling, output_line_command, cpp_scan_buffer,
2169 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2171 * Makefile.in: Add cppoutput.c.
2172 * po/POTFILES.in: Add cppoutput.c.
2174 2000-09-25 Richard Henderson <rth@cygnus.com>
2176 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2177 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2178 split until after reload.
2179 (rotlsi3, rotldi3): New.
2181 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2183 * diagnostic.c (output_last_position): Define.
2184 (set_real_maximum_length): Tweek.
2185 * diagnostic.h (output_last_position): Declare.
2187 2000-09-25 Kazu Hirata <kazu@hxi.com>
2189 * config/i386/i386.c: Fix formatting.
2191 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2193 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2194 UNITS_PER_WORD is small.
2196 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2198 * c-common.c (format_char_info): Add flags2; update comments.
2199 (print_char_table, scan_char_table, time_char_table): Split some
2200 flags out into flags2.
2201 (check_format_info): Use flags2 for those flags, for identifying
2202 the initial character of a scanf scanset, and for identifying
2203 printf formats where the '0' flag is ignored with precision.
2205 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2207 Changes below marked "here" add TABs on either or both sides,
2208 covering start of line, up to any operand for all noted .*ASM.*_OP
2209 definitions. All callers changed.
2210 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2211 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2212 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2213 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2214 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2215 Fix typos in description for LONG_LONG_TYPE_SIZE and
2216 FINI_SECTION_ASM_OP.
2217 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2218 why these defaults don't have leading spacing.
2219 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2220 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2221 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2222 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2223 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2224 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2225 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2226 * varasm.c (ASM_STABS_OP): Here.
2227 * xcoffout.h (ASM_STABS_OP): Here.
2228 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2229 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2230 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2231 STRING_ASM_OP): Here.
2232 * config/freebsd.h (IDENT_ASM_OP): Here.
2233 * config/linux-aout.h (SET_ASM_OP): Here.
2234 * config/linux.h (SET_ASM_OP): Here.
2235 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2237 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2238 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2239 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2240 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2242 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2243 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2244 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2245 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2246 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2247 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2248 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2249 * config/a29k/udi.h (INT_ASM_OP): Here.
2250 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2251 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2253 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2254 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2255 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2256 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2257 ASM_STABD_OP): Here.
2258 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2259 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2260 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2261 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2262 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2263 SIZE_ASM_OP, STRING_ASM_OP): Here.
2264 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2265 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2266 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2267 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2268 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2269 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2271 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2272 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2273 * config/arm/coff.h (INT_ASM_OP): Here.
2274 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2275 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2276 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2277 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2278 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2279 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2280 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2281 STRING_ASM_OP): Here. Update documentation copy in comments.
2282 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2283 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2284 DATA_SECTION_ASM_OP): Here.
2285 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2287 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2288 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2289 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2290 BSS_SECTION_ASM_OP): Here.
2291 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2292 BSS_SECTION_ASM_OP): Here.
2293 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2295 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2296 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2297 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2298 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2299 BSS_SECTION_ASM_OP): Here.
2300 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2301 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2302 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2303 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2304 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2306 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2307 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2309 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2310 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2311 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2312 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2314 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2315 * config/i386/netbsd.h (INT_ASM_OP): Here.
2316 * config/i386/openbsd.h (INT_ASM_OP): Here.
2317 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2318 IDENT_ASM_OP): Here.
2319 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2320 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2321 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2322 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2323 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2324 SHARED_BSS_SECTION_ASM_OP): Here.
2325 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2326 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2327 DATA_SECTION_ASM_OP): Here.
2328 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2329 CONST_SECTION_ASM_OP): Here.
2330 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2331 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2332 BSS_SECTION_ASM_OP): Here.
2333 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2334 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2335 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2336 BSS_ASM_OP): Here, but use trailing spaces.
2337 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2338 DATA_SECTION_ASM_OP): Here.
2339 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2341 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2342 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2343 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2344 TDESC_SECTION_ASM_OP): Here.
2345 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2346 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2347 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2349 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2350 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2351 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2352 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2353 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2354 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2355 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2356 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2357 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2358 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2359 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2360 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2362 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2363 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2364 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2365 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2366 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2367 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2368 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2369 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2370 GLOBAL_ASM_OP): Here.
2371 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2372 BSS_SECTION_ASM_OP): Here.
2373 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2374 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2375 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2376 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2378 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2379 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2380 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2381 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2382 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2383 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2384 but use trailing spaces.
2385 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2386 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2387 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2389 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2390 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2391 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2392 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2393 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2394 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2395 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2396 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2397 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2398 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2399 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2400 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2402 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2403 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2404 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2405 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2406 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2407 DTORS_SECTION_ASM_OP): Here.
2408 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2409 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2410 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2411 BSS_SECTION_ASM_OP): Here.
2412 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2413 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2414 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2415 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2416 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2417 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2418 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2419 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2421 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2423 * config/mips/osfrose.h (SET_ASM_OP): Here.
2424 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2425 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2426 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2427 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2429 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2430 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2431 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2432 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2433 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2434 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2436 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2438 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2439 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2440 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2442 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2443 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2444 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2445 * config/sparc/linux64.h (COMMON_ASM_OP,
2446 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2447 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2448 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2449 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2450 * config/sparc/pbd.h (ASM_INT_OP): Here.
2451 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2452 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2453 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2454 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2455 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2456 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2457 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2458 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2459 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2460 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2461 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2462 EH_FRAME_SECTION_ASM_OP): Here.
2463 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2464 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2466 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2468 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2469 TCOMMON_ASM_OP): Here.
2470 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2472 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2475 2000-09-25 Richard Henderson <rth@cygnus.com>
2477 * expmed.c (store_bit_field): Adjust last change to not consider
2478 any word-sized field naturally aligned.
2480 2000-09-24 Richard Henderson <rth@cygnus.com>
2482 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2483 TFmode unordered compares properly. Revalidate integer compare
2485 (alpha_emit_setcc): New.
2486 (alpha_emit_conditional_move): Revalidate integer compare operands.
2487 * config/alpha/alpha-protos.h: Update.
2488 * config/alpha/alpha.md (cmpdi): Allow general operands.
2489 (sne): Use alpha_emit_setcc.
2490 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
2491 (sunordered, sordered): New.
2493 2000-09-24 Richard Henderson <rth@cygnus.com>
2495 * config/ia64/ia64-protos.h: Update.
2496 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
2497 (ia64_expand_call): New.
2498 (ia64_expand_prologue): Emit an alloc if we need extra input
2500 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
2501 instruction if true.
2502 (struct reg_flags): Add is_sibcall.
2503 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
2504 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
2505 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
2506 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2507 * config/ia64/ia64.md (call): Use ia64_expand_call.
2508 (call_value): Likewise.
2509 (sibcall, sibcall_value): New.
2510 (call patterns): Remove extra expanders; tidy.
2511 (sibcall_epilogue): New.
2512 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
2514 2000-09-24 Richard Henderson <rth@cygnus.com>
2516 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
2518 * sibcall.c (skip_pic_restore): New.
2519 (identify_call_return_value): Use it.
2521 2000-09-24 Mark Mitchell <mark@codesourcery.com>
2523 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
2524 functions. Generalize to handle both C and C++.
2525 * Makefile.in (c-tree.info): New target.
2526 (info): Add c-tree.info.
2528 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2530 * expr.c (store_field): If BITSIZE is negative, use size of type.
2531 (expand_expr, case COMPONENT_EXPR): Likewise.
2533 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
2535 * cpplex.c: Update TODO comment.
2536 * cpplib.c (do_error, do_warning): Merge common code of
2537 do_error and do_warning into do_diagnostic. Use it.
2538 (do_diagnostic): New function.
2539 * cpplib.h: Fix comment typo.
2541 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2543 * c-common.c (check_format_info): Warn for a wide character string
2544 used as a non-wide format argument.
2546 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2548 * builtins.def (BUILT_IN_LLABS): Add.
2549 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
2550 * c-common.c (c_common_nodes_builtins): Create builtin functions
2551 __builtin_llabs, and plain llabs unless no_nonansi_builtins
2552 outside of C99 mode.
2553 (expand_tree_builtin): Handle BUILT_IN_LLABS.
2555 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
2557 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
2558 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
2559 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
2560 _cpp_free_toklist): No need to worry about extra dummy token
2561 at the start of token lists any more.
2562 (trigraph_ok): Only warn outside comments.
2563 (skip_block_comment): Set and clear lexing_comment.
2564 (skip_line_comment): Take a cpp_reader not cpp_buffer.
2565 Set and clear lexing_comment.
2566 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
2567 (check_long_token): Delete.
2568 (lex_percent, lex_dot): New subroutines of lex_token to
2569 handle lexing of '.' and '%' without lookback.
2570 (lex_token): Use lex_dot and lex_percent.
2571 (lex_line): Don't check for LIST_OFFSET.
2572 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
2573 * cpplib.c (_cpp_parse_assertion): Similarly.
2574 (cpp_push_buffer): Initialize extra_char.
2575 * cpplib.h (LIST_OFFSET): Delete.
2576 (struct cpp_buffer): New member extra_char.
2577 (struct lexer_state): New members lexing_comment and seen_dot.
2579 2000-09-23 Jason Merrill <jason@redhat.com>
2581 * config/rs6000/x-aix41 (CLIB): Define here.
2582 * config/rs6000/t-aix43: Not here.
2583 * config/rs6000/t-aix41: Or here. Remove.
2584 * configure.in: Don't use it.
2586 2000-09-22 Jason Merrill <jason@redhat.com>
2588 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
2589 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
2590 * config.in: Regenerate.
2592 * configure.in: Fix checks for assembler features when using a
2593 one-tree assembler that has not yet been built.
2594 Fix --disable-threads.
2596 2000-09-19 Geoff Keating <geoffk@cygnus.com>
2598 * stmt.c (expand_asm_operands): Allow # in constraints.
2600 2000-09-22 Jason Merrill <jason@redhat.com>
2602 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
2604 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
2605 function-local names.
2607 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
2608 Mark Mitchell <mark@codesourcery.com>
2610 * toplev.c (warn_disabled_optimization): Declare new warning flag.
2611 * flags.h (warn_disabled_optimization): Add it here.
2612 * gcse.c (gcse_main): Add warning when disabled.
2613 * invoke.texi: Document -Wdisabled-optimization.
2615 2000-09-21 Jason Merrill <jason@redhat.com>
2617 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
2619 * dwarf2out.c (tree_add_const_value_attribute): New fn.
2620 (gen_variable_die): Call it for non-definitions.
2622 * dwarf2out.c (die_struct): Add die_mark field.
2623 (mark_dies, unmark_dies): New fns.
2624 (clear_die_sizes): Remove.
2625 (print_die): Check die_symbol rather than die_offset.
2626 (build_abbrev_table, output_pubnames, output_aranges): Check
2627 die_mark rather than die_offset.
2628 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
2631 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
2633 * cppfiles.c (lookup_include_file): Rename to open_file.
2634 Always create a splay tree value, even on syscall failures.
2635 Negative entries indicated by fd == -2.
2636 Re-open files closed in the meantime.
2637 (_cpp_fake_include): Create a negative splay tree entry.
2638 (find_include_file, cpp_read_file): Update for function name
2640 * gcc.gd/cpp/mi4.c: Testcase.
2642 2000-09-21 Nick Clifton <nickc@redhat.com>
2644 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
2645 ARM and THUMB modes.
2647 * config/mcore/mcore.c: Fix compile time warnings.
2648 * config/mcore/mcore-protos.h: Fix compile time warnings.
2650 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2652 * configure.in: Correct test of gcc_cv_glibc.
2653 * configure: Rebuilt.
2654 * config.in: Rebuilt.
2656 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2658 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
2659 (expand_builtin): Handle BUILT_IN_FWRITE.
2661 * builtins.def (BUILT_IN_FWRITE): New entry.
2663 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
2665 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2667 * gcc.c (modify_target): New variable and struct.
2668 (process_command): Handle MODIFY_TARGET_NAME.
2669 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
2670 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
2672 * c-decl.c (finish_decl): Add else's to avoid referencing
2673 TYPE_DOMAIN of an ERROR_MARK.
2675 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
2677 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
2680 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
2682 * config/avr/avr.md (neghi2): Add alternative for input and output
2683 operands in different registers, as in negsi2.
2684 (*negsi2): Remove '*' from the name. Use "movw" if available.
2686 2000-09-19 Jim Wilson <wilson@cygnus.com>
2688 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
2689 HAVE_GAS_HIDDEN macro.
2691 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
2693 * cpplex.c (lex_line): Drop the EOF token for unknown
2694 directives in assembler.
2696 2000-09-19 David Edelsohn <edelsohn@gnu.org>
2698 * configure.in: Allow enable_threads_flag value of "aix". Define
2699 thread_file as "aix" for AIX 4.3 and above.
2700 * configure: Regenerated.
2702 * gthr-aix.h: New file.
2704 * rs6000/t-aix43: Replace soft-float multilib with pthread.
2705 Remove 403 processor multilib match. Fix rios2 processor multilib
2708 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
2709 to return to appropriate csect.
2711 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2713 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
2715 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
2716 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
2719 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
2722 * c-common.c (init_function_format_info): Handle __builtin_printf.
2723 Set `check_function_format_ptr'.
2724 (c_common_nodes_and_builtins): Set `puts_ftype' and
2725 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
2726 __builtin_printf and printf.
2728 * tree.c, tree.h (check_function_format_ptr): Declare.
2730 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
2732 * cppfiles.c (read_include_file): Take no special action for
2735 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
2737 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
2738 rather than that of branch.
2739 (shorten_branches): Don't increment insn_current_address twice.
2741 Undo most of the Wed Jan 27 23:39:53 1999 patch:
2742 * loop.h (struct induction): Delete members derived, ix and last_use.
2743 (struct loop_ivs): Delete members first_increment_giv and
2745 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
2746 recombine_givs): Delete functions.
2747 (find_and_verify_loops): Don't initialize cont_dominator.
2748 (strength_reduce): Lose code to try to find bivs that can be
2749 expressed as givs of another biv, and to convert biv increments
2751 Lose loop_scan_start variable, always use loop->scan_start.
2752 Don't call recombine_givs. Don't handle derived givs.
2753 (record_giv): Don't initialize derived and last_use fields.
2754 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
2756 * unroll.c (derived_regs): Delete static variable.
2757 (unroll_loop): Don't initialize it.
2758 (copy_loop_body): Lose code to handle derived givs.
2759 (find_splittable_givs): Don't check for givs made from biv
2761 Don't set derived_regs.
2763 Fix misapplied earlier patch:
2764 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
2766 (floatsisf2): Generate floatsisf_ie by default.
2767 (floatsisf_i4): Conditional on TARGET_SH4.
2769 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
2770 predicate for the expanders.
2772 2000-09-19 Richard Henderson <rth@cygnus.com>
2774 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
2775 in addition to pentium and pentiumpro symbols.
2776 (CPP_CPU_DEFAULT_SPEC): Likewise.
2778 * c-typeck.c (c_expand_asm_operands): Restore the output tree
2781 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
2782 if the tree has side effects.
2783 (warn_if_unused_value): Do not warn about void constructs.
2785 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
2787 * unroll.c (copy_loop_body): Update LABEL_NUSES before
2788 calling invert_jump.
2790 2000-09-18 Geoff Keating <geoffk@cygnus.com>
2792 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
2795 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2797 * Makefile.in (c-common.o): Depend on diagnostic.h.
2799 * c-common.c: Include diagnostic.h.
2801 (status_warning): New function.
2802 (check_format_info, maybe_read_dollar_number, check_format_types,
2803 finish_dollar_format_checking, check_function_format): Accept a
2804 `status' parameter. All callers changed.
2806 * c-common.h (check_function_format): Accept a `status' parameter.
2808 * c-typeck.c: Update call to `check_function_format'.
2810 2000-09-18 Richard Henderson <rth@cygnus.com>
2812 * c-decl.c (c_expand_body): Call mark_varargs before
2813 expand_function_start.
2815 2000-09-18 Geoff Keating <geoffk@cygnus.com>
2817 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
2818 * config/rs6000/eabi-ci.asm: Likewise.
2820 2000-09-18 Richard Henderson <rth@cygnus.com>
2822 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
2825 2000-09-18 Jim Wilson <wilson@cygnus.com>
2827 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
2828 before passing it to fold_rtx_mult_add.
2830 * unroll.c (final_giv_value): Pass increment through
2831 extend_value_for_giv before passing it to emit_iv_add_mult.
2833 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
2834 paradoxical subreg, then directly substitute the replacement and
2837 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
2839 * cpp.texi: Update documentation, including some clarifications,
2840 the treatment of various newline combinations, and space between
2841 backslash and newline.
2843 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2845 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
2846 Replace ASM_OUTPUT_LABELREF with assemble_name.
2848 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2850 * sh.c (addsubcosts): CONST is not cheap.
2851 (find_barrier): For Sh1, take alignment after jumps into account.
2853 2000-09-15 Andrew Haley <aph@redhat.com>
2855 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
2856 remove all SETs of SUBREGs of hard registers.
2857 * function.c (purge_hard_subreg_sets): New function.
2858 (purge_single_hard_subreg_set): New function.
2859 * rtl.h: (purge_hard_subreg_sets): New function.
2861 2000-09-18 Richard Henderson <rth@cygnus.com>
2863 * config/ia64/ia64-protos.h: Update.
2864 * config/ia64/ia64.c (signed_inequality_operator): New.
2865 (ia64_expand_compare): New.
2866 (ia64_register_move_cost): Handle PR_REGS moves.
2867 (ia64_secondary_reload_class): Require a GR when moving to a PR.
2868 (struct reg_write_state): Add written_by_and/or.
2869 (struct reg_flags): Add is_and/or.
2870 (rws_update): Set them.
2871 (rws_access_regno): Test them to allow parallel comparisons.
2872 (rtx_needs_barrier): Recognize parallel comparisons.
2873 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
2874 Call recog_memoized; ignore pred_rel_mutex.
2875 (emit_predicate_relation_info): Don't call find_basic_blocks here.
2876 (ia64_reorg): Do it here instead.
2877 * config/ia64/ia64.h: s/CCmode/BImode/g
2878 (MODES_TIEABLE_P): Don't tie BImode.
2879 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
2880 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
2881 (RTX_COSTS): Make multiply 4 insns.
2882 (MEMORY_MOVE_COST): New.
2883 (PREDICATE_CODES): Update.
2884 * config/ia64/ia64.md: s/CCmode/BImode/g
2885 (movcci, movbi): New.
2886 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
2887 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
2888 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
2889 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
2890 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
2891 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
2892 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
2893 (mulsi, muldi): Use xmpy not xma.
2895 (movcc, movcc_internal): Remove.
2896 (branch expanders): Use ia64_expand_compare.
2897 (setcc expanders): Likewise.
2898 (cmov insns): Use move_operand and ia64_move_ok.
2899 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
2900 scheduler from moving it past a use.
2901 * config/ia64/build.hacks: Remove.
2903 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
2905 * cpphash.h (HASHSTEP): Take character rather than pointer
2907 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
2909 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
2911 * cpplex.c (auto_expand_name_space, trigraph_replace,
2912 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
2913 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
2914 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
2915 KNOWN_DIRECTIVE): Delete.
2917 (handle_newline, check_long_token, skip_escaped_newlines,
2918 unterminated): New functions.
2919 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
2921 (parse_identifier): Was parse_name, new implementation.
2922 (skip_line_comment, skip_block_comment, skip_whitespace,
2923 parse_number, parse_string, trigraph_ok, save_comment,
2924 adjust_column, _cpp_get_line): New implementations.
2926 (lex_token): New function. Lexes a token at a time, looking
2927 forwards. Contains most of the guts of the old lex_line.
2928 (lex_line): New implementation, using lex_token to obtain
2930 (cpp_scan_buffer): Use the token's line, not the list's line.
2932 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
2933 New implementations.
2934 (do_assert): Don't bother setting the answer's list's line.
2935 (cpp_push_buffer): Initialise new pfile and read_ahead members
2936 of struct cpp_buffer.
2938 * cpplib.h (cppchar_t): New typedef.
2939 (struct cpp_buffer): read_ahead, pfile and col_adjust are
2941 (struct lexer_state): New structure that determines the state
2942 and behaviour of the lexer.
2943 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
2944 (struct cpp_reader): New member "state". Rename
2945 multiline_string_line and multiline_string_column. Delete
2946 col_adjust, in_lex_line members.
2947 (CPP_BUF_COLUMN): Update.
2949 2000-09-18 Richard Henderson <rth@cygnus.com>
2951 * combine.c (simplify_comparison): Shift a NOT out of a single
2954 * combine.c (if_then_else_cond): Canonicalize BImode true to
2956 * explow.c (trunc_int_for_mode): Likewise.
2958 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
2959 the NOT for De Morgan's rule.
2960 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
2961 of a comparison to the reverse comparison.
2963 * combine.c (try_combine): Allow split to create a single insn.
2965 * machmode.def: Add BImode. Add a column for bitsize.
2966 * machmode.h (DEF_MACHMODE): Adjust for extra column.
2967 (GET_MODE_BITSIZE): Use it.
2968 * rtl.c (DEF_MACHMODE): Adjust for extra column.
2969 (mode_bitsize): New.
2970 (mode_mask_array): Use bitsize.
2971 * combine.c (combine_simplify_rtx): Require inner and outer
2972 modes to match on nonzero_bits optimizations.
2974 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
2976 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
2977 its entry in spill_reg_store.
2978 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
2979 * sh.c (reg_no_subreg_operand): New function.
2980 * sh-protos.h (reg_no_subreg_operand): Declare it.
2981 * sh.h (PREDICATE_CODES): Add it.
2982 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
2983 input operand that needs to be in fpul.
2984 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
2985 * sh.c (find_barrier): Take into account that machine_dependent_reorg
2986 might add new insns.
2988 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
2990 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
2992 (sh_expand_epilogue): Take the PIC register into account when
2993 computing the frame size.
2995 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
2996 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
2997 LABEL_REFs with a PIC-safe unspec.
2999 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3001 * c-common.c (check_format_info): Properly save the argument
3002 number and parameter for $ operand number formats in case width
3003 and precision arguments are also used. Allow printf width and
3004 precision arguments to have operand numbers even if none was
3005 specified for the main format, since this is OK for %*.*m. Only
3006 object to missing $ operand number if the format used requires an
3009 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3011 * c-common.c (format_char_info): Add 'W' flag to comment.
3012 (print_char_table, scan_char_table): Use it.
3013 (check_format_info): Use the 'W' flag to determine whether a
3014 format argument is written into.
3016 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3018 * c-common.c (check_format_types): Reorganise and clean up,
3019 checking earlier for ERROR_MARKs and making cur_type into its
3020 TYPE_MAIN_VARIANT where convenient.
3022 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3024 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3026 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3028 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3030 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3031 * i386.c (struct builtin_description): New.
3032 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3033 (mmx_reg_operand): Declare MODE arg as unused.
3034 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3035 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3036 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3037 ix86_init_builtins, ix86_expand_builtin): New functions.
3038 * i386.h (ix86_builtins): New enumeration.
3039 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3040 * i386.md (attr length_immediate): 0 for mmx/sse types.
3041 (attr prefix_0f): 1 for mmx/sse types.
3042 (setcc_2): Remove "*" so we get gen_setcc_2.
3043 (emms): Account for changed register numbering. Set "memory" attr
3045 (sfence): Set "memory" attr to unknown.
3047 2000-09-18 Andreas Jaeger <aj@suse.de>
3049 * configure.in: Define _GNU_SOURCE only when using the GNU C
3051 * configure: Regenerated.
3052 * config.in: Regenerated.
3054 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3056 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3057 * flow.c (flow_dump_loop): Likewise.
3058 (flow_loops_dump): Likewise.
3060 * c-typeck.c (c_start_case): Fix typo.
3062 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3064 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3065 to int for plain complex which defaults to complex double. Do
3066 warn about defaulting to complex double if pedantic. Warn about
3067 complex integer types if pedantic. Warn about complex types if
3068 pedantic and not in C99 mode.
3069 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3070 for complex conjugation.
3072 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3074 * contrib.texi: Update my entry.
3076 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3078 * config/avr/avr.md (mcu_enhanced): New attribute.
3079 (mcu_mega): Likewise.
3080 (extendhisi2): Use mcu_enhanced.
3081 (zero_extendhisi2): Likewise.
3082 (call_insn): Use mcu_enhanced and mcu_mega.
3083 (call_value_insn): Likewise.
3084 (*sbrx_branch): Use mcu_mega.
3085 (*sbrx_and_branchsi): Likewise.
3086 (*sbrx_and_branchhi): Likewise.
3087 (*tablejump_lib): Likewise.
3089 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3091 * alias.c (true_dependence): Allow non-unchanging read to conflict
3092 with unchanging write.
3094 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3095 (store_constructor): Pass alias_set to it.
3097 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3098 TYPE_MAIN_VARIANT of ERROR_MARK.
3099 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3101 * simplify-rtx.c (simplify_unary_operation): Add cases
3102 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3104 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3106 * expr.h (emit_library_call, emit_library_call_value): Delete
3108 * rtl.h (enum libcall_type): New.
3109 (emit_library_call, emit_library_call_value): Change fn_type arg to
3110 be of type enum libcall_type.
3111 * calls.c: Likewise for the function definitions. Several callers
3112 throughout changed to use the new enumeration appropriately.
3113 (emit_library_call_value_1): Likewise. Put back code to make libcall
3114 blocks of equal form, but only use it for the two new higher
3117 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3119 Convert the C front-end to use function-at-a-time mode.
3120 * c-common.h: Include splay-tree.h.
3121 (C_DECLARED_LABEL_FLAG): New macro.
3122 (struct language_function): Add x_scope_stmt_stack and
3123 x_function_name_declared_p.
3124 (RECHAIN_STMTS): Move definition.
3125 (lang_statment_code_p): Likewise.
3126 (lang_expand_stmt): Likewise.
3127 (lang_expand_decl_stmt): New variable.
3128 (lang_expand_function_end): Likewise.
3129 (current_scope_stmt_stack): New function.
3130 (add_decl_stmt): Likewise.
3131 (add_scope_stmt): Likewise.
3132 (mark_stmt_tree): Likewise.
3133 (struct c_lang_decl): New structure.
3134 (DECL_SAVED_TREE): Define.
3135 (c_mark_lang_decl): New function.
3136 (c_expand_start_cond): Change prototype.
3137 (c_finish_then): New function.
3138 (c_finish_else): Likewise.
3139 (current_function_name_declared): Remove.
3140 (set_current_function_name_declared): Likewise.
3141 (mark_c_language_function): Declare.
3142 (case_compare): Likewise.
3143 (c_add_case_label): Likewise.
3144 (c_expand_expr): Likewise.
3145 (c_safe_from_p): Likewise.
3146 * c-common.c (lang_expand_function_end): New variable.
3147 (struct if_elt): Add if_stmt.
3148 (c_expand_start_cond): Add the if-statement to the statement-tree,
3149 rather than generating RTL.
3150 (c_finish_then): New function.
3151 (c_expand_start_else): Don't generate RTL.
3152 (c_finish_else): New function.
3153 (c_expand_expr_stmt): Don't generate RTL.
3154 (statement_code_p): Add SCOPE_STMT.
3155 (case_compare): New function.
3156 (c_add_case_label): Likewise.
3157 (mark_stmt_tree): Likewise.
3158 (c_mark_lang_decl): Likewise.
3159 (mark_c_language_function): Likewise.
3160 (c_expand_expr): Likewise.
3161 (c_safe_from_p): Likewise.
3162 * c-decl.c (c_stmt_tree): New variable
3163 (c_scope_stmt_stack): Likewise.
3164 (c_function_name_declared_p): Likewise.
3165 (lang_expand_expr_stmt): Remove.
3166 (poplevel): Don't call output_inline_function for nested
3168 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3170 (redeclaration_error_message): Change means of computing whether
3171 or not a function is nested.
3172 (lookup_label): Don't call label_rtx.
3173 (init_decl_processing): Add more GC roots.
3174 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3175 calling rest_of_decl_compilation.
3176 (finish_decl): Don't call expand_decl.
3177 (store_parm_decls): Begin the statement-tree, but don't generate
3179 (finish_function): Tie off the statement-tree. Call c_expand_body
3181 (c_expand_body): New function.
3182 (push_c_function_context): Save more information.
3183 (pop_c_function_contxt): Likewise.
3184 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3185 (lang_mark_tree): Mark it.
3186 (current_stmt_tree): Adjust.
3187 (current_scope_stmt_stack): New function.
3189 (set_current_name_declared): Likewise.
3190 (c_begin_compound_stmt): Define.
3191 (c_expand_decl_stmt): Likewise.
3192 * c-lang.c: Include rtl.h and expr.h.
3193 (lang_init): Set more language-specific hooks.
3194 * c-lex.c: Include expr.h.
3195 * c-parse.in: Changes throughout to add statements to the
3196 statement-tree, rather than generating RTL after every statement.
3197 * c-semantics.c (lang_expand_decl_stmt): Define.
3198 (add_decl_stmt): New function.
3199 (add_scope_stmt): Likewise.
3200 (finish_stmt_tree): Tweak.
3201 (genrtl_expr_stmt): Likewise.
3202 (genrtl_decl_stmt): Handle local labels, and call
3203 lang_expand_decl_stmt if required.
3204 (genrtl_for_stmt): Fix line-number handling.
3205 (genrtl_case_label): Handle cleanups.
3206 (genrtl_asm_stmt): Don't call combine_strings.
3207 (genrtl_compound_stmt): Simplify.
3208 (expand_stmt): Handle SCOPE_STMTs.
3209 * c-tree.h (struct lang_decl): New structure.
3210 (C_DECLARED_LABEL_FLAG): Remove.
3211 (c_begin_compound_stmt): Declare.
3212 (c_expand_decl_stmt): Likewise.
3213 (c_expand_start_case): Rename to c_start_case.
3214 (c_finish_case): New function.
3215 * c-typeck.c (start_init): Tweak setting of
3216 constructor_incremental.
3217 (c_expand_asm_operands): Tweak error-handling. Add to the
3219 (c_expand_return): Add to the statement-tree.
3220 (c_expand_start_case): Rename to ...
3221 (c_start_case): ... this.
3222 (struct c_switch): New type.
3223 (switch_stack): New variable.
3224 (do_case): Simplify.
3225 (c_finish_case): New function.
3226 * dependence.c: Include expr.h.
3227 (enum dependence_type): Change spelling of enumerals.
3228 (check_node_dependence): Adjust.
3229 * expr.h (lang_safe_from_p): Declare.
3230 (safe_from_p): Likewise.
3231 * expr.c (lang_safe_from_p): New variable.
3232 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3233 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3234 * toplev.c (rest_of_decl_compilation): Robustify.
3235 * tree.c (contains_placeholder_p): Likewise.
3236 * Makefile.in: Update dependencies.
3237 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3238 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3239 (objc_expand_function_end): New function.
3240 (finish_method_def): Use it.
3241 (init_objc): Initialize more language-specific hooks.
3242 * objc/Make-lang.in: Update dependencies.
3244 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3246 * configure.in: Define macros that affect features before
3247 testing for features. Don't define _XOPEN_SOURCE.
3248 * configure: Regenerated.
3249 * config.in: Regenerated.
3251 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3253 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3254 (rtx_unstable_p): Restructure code. Volatile asms
3257 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3259 * function.h (no_debugging_symbols): New field.
3260 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3261 Initialize no_debugging_symbols.
3262 (output_inline_function): Save and restore write_symbols and set from
3263 no_debugging_symbols.
3264 * toplev.c (rest_of_compilation): Call save_for_inline.
3265 * tree.h: Update comment.
3267 * stor-layout.c (place_field): Don't do anything if field or
3268 its type are ERROR_MARK.
3270 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3272 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3273 (read_include_file): Ensure inc->mmaped is initialized.
3275 2000-09-16 Richard Henderson <rth@cygnus.com>
3277 * cppiles.c (purge_cache): Use PTR not caddr_t.
3279 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3281 * gcc.c: In description for %{<S}, say the option removed is -S.
3282 * invoke.texi (Spec Files): Ditto.
3284 2000-09-16 Andreas Jaeger <aj@suse.de>
3286 * configure.in: Always define _GNU_SOURCE to make interfaces
3287 visible that were hidden by only defining _GNU_SOURCE.
3288 * configure: Regenerated.
3290 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3292 * cpplex.c (push_macro_context): Set an argument's level after
3293 calling parse_args. We could loop infinitely otherwise.
3295 2000-09-15 Tom Tromey <tromey@cygnus.com>
3297 * configure, config.in: Rebuilt.
3298 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3300 2000-09-15 Greg McGary <greg@mcgary.org>
3302 * cppmacro.c (check_trad_stringification): Check token
3303 text pointers against limit before dereferencing.
3305 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3307 * c-common.c (format_wanted_type): New structure.
3308 (check_format_types): New function.
3309 (check_format_info): Pass all checking of types of format
3310 arguments, including width and precision arguments, to this new
3313 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3315 * BUGS: Remove file.
3317 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3319 * config/alpha/alpha.c (override_options): ev6 cache latencies
3320 from Richard Henderson. Don't allow -mmemory-latency=L0.
3322 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3323 (TARGET_OPTIONS): Add tune=.
3324 (alpha_tune_string): Declare.
3325 * config/alpha/alpha.c (override_options): Add cpu_table.
3326 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3327 and then alpha_tune_string to set alpha_cpu only.
3328 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3329 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3330 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3331 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3333 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3335 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3337 (ix86_comparison_operator, ix86_cc_mode): Declare
3338 * i386.h (CCGC, CCGCO): New modes.
3339 (SELECT_CC_MODE): Move offline to ....
3340 * i386.c (ix86_cc_mode): .... here; use new modes.
3341 (ix86_comparison_operator): New.
3342 (fcmov_comparison_operator): Ensure proper mode.
3343 (put_condition_mode): More sanity checking.
3344 (ix86_match_ccmode): Handle new modes.
3345 (ix86_expand_fp_compare): GEU requires CCmode.
3346 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3348 * i386.md (cmp?i_ccz_1): Remove
3349 (cmp?i_ccno_1): Use ix86_match_ccmode.
3350 (cmp?i_minus_1): New.
3351 (cmpsi_1): New expander.
3352 (cmpqi_ext_1): Use match_ccmode
3353 (cmpqi_ext_3): New expander.
3354 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3355 (cmpqi_ext_4): Use match_ccmode.
3356 (add?i_?): Use match_ccmode.
3358 (test?i_ccz_1): Remove
3360 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3361 (testqi_ext_0): Use ix86_match_ccmode.
3362 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3363 (xorqi_cc_ext_1): New expander.
3364 (shift patterns): Use CCGOCmode for all shifts except for sar.
3365 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3366 (setcc_3, jcc_3, miv?icc_c): Remove.
3368 2000-09-15 Will Cohen <wcohen@redhat.com>
3370 * dwarf2out.c (add_const_value_attribute): Changed array into a
3371 xmalloced object, so it exists after function exit.
3372 (free_AT): Added case for dw_val_class_float to free allocated
3375 2000-09-15 Kazu Hirata <kazu@hxi.com>
3377 * config/i386/i386.md: Fix a comment typo.
3378 * gcc.c: Fix formatting.
3380 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3382 * optabs.c (emit_libcall_block): If target is a user variable,
3383 copy to a temporary first.
3384 * expr.c (convert_move): When generating a libcall, make a libcall
3386 * calls.c (emit_library_call_value_1): Don't create a libcall
3387 sequence here; our caller will in most cases do it.
3389 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3391 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3392 * sh.md (reload_outsf): Generate recognizable patterns for
3394 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3395 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3396 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3397 truncdfsf2_i4): Change not to use explicit references to fpul.
3398 (floatsisf2_ie): Remove USE of fpscr.
3399 (floatsisf2): Change default expansion to match this.
3400 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3403 2000-09-15 Richard Henderson <rth@cygnus.com>
3405 * expmed.c (store_bit_field): Consider naturally aligned
3406 memory for direct reference.
3408 2000-09-15 Richard Henderson <rth@cygnus.com>
3410 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3411 AND addresses into alias set 0.
3412 (alpha_expand_unaligned_store): Likewise.
3413 (alpha_expand_unaligned_load_words): Likewise.
3414 (alpha_expand_unaligned_store_words): Likewise.
3416 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3418 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3419 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3421 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3422 rsize of UNITS_PER_WORD.
3424 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3426 * cpplex.c (ON_REST_ARG): Correct the test.
3427 (maybe_paste_with_next): Duplicate a token that fail pasting,
3428 and clear its PASTE_LEFT flag, so that nested pasting attempts
3431 2000-09-14 Richard Henderson <rth@cygnus.com>
3433 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3434 * cse.c (rtx_cost): Likewise.
3435 * optabls.c (expand_binop): Likewise.
3436 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3437 * regclass.c (copy_cost): Likewise.
3438 * reload1.c (reload_cse_move2add): Likewise.
3440 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3442 * c-parse.in (reswords): Add _Complex.
3444 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3446 * gcc.1: Delete documentation for -undef preprocessor option.
3448 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3450 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3451 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3452 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3453 Remove undefine before config/elfos.h.
3454 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3456 2000-09-14 Kazu Hirata <kazu@hxi.com>
3458 * invoke.texi (H8/300 Options): Add -ms2600.
3459 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3460 is used without -ms.
3461 * config/h8300.h (TARGET_MAC): New.
3462 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3463 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3464 machine other than H8/S2600.
3465 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3468 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3470 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3471 pseudos that refer to the original pseudos, not only to their
3472 equivalent memory locations.
3474 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3476 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
3477 when making new MEM.
3479 * Makefile.in (LN): Remove duplicate definition.
3481 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3483 From Joern Rennecke:
3484 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
3485 on an insn and function_invariant_p returns nonzero for the source,
3486 add a REG_EQUAL note.
3488 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
3490 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
3491 conflict with frame_pointer_rtx.
3493 2000-09-13 Kazu Hirata <kazu@hxi.com>
3495 * loop.c: Fix formatting.
3498 2000-09-13 Richard Henderson <rth@cygnus.com>
3500 * config/ia64/ia64.md (divsf3): New.
3501 (divsf3_internal_lat, divsf3_internal_thr): New.
3502 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
3503 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
3504 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
3505 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
3506 (nmadddf4_alts, nmadddf4_trunc): New.
3507 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
3508 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
3509 (multf3_truncsf_alts, multf3_truncdf_alts): New.
3510 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
3511 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
3512 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
3513 (nmaddtf4_truncdf_alts): New.
3514 (recip_approx): Don't predicate.
3516 2000-09-13 Richard Henderson <rth@cygnus.com>
3518 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
3520 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3522 * flags.h (flag_dump_rtl_in_asm): Declare.
3523 * toplev.c (flag_dump_rtl_in_asm): Define.
3524 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
3525 if -dP is specified.
3526 * rtl.h (print_rtx_head): Declare.
3527 * print-rtl.c (print_rtx_head): Define.
3528 (print_rtx): Print the string pointed to by print_rtx_head
3529 at beginning of each dump line.
3530 (print_rtl): Likewise.
3531 (print_rtl_single): Likewise.
3532 * final.c (final_scan_insn): Dump the insn in the assembly
3534 * gcc.1: Document -dP option.
3535 * invoke.texi (Debugging Options): Likewise.
3537 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3539 * md.texi (Machine Constraints): Document the 68HC11 constraints.
3540 * install.texi (Configurations): Document the 68HC11&68HC12 port.
3541 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
3543 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
3545 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
3546 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
3547 (*clrstrqi): Likewise.
3548 (xorhi3,xorsi3,absqi2): Likewise.
3549 (one_cmplhi2,one_cmplsi2): Likewise.
3550 (addsi3): Two stupid constraint alternatives removed.
3551 (extendhisi2): Use `movw' for enhanced avr cores.
3552 (zero_extendhisi2): Likewise.
3554 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
3556 * alias.c (find_base_term): Use frame_pointer_rtx
3557 when handling an ADDRESSOF.
3559 * cse.c (canon_hash): Handle USE of BLKmode memory.
3560 (cse_insn): Outgoing arguments for a libcall don't
3561 affect any recorded expressions.
3563 2000-09-12 Tom Tromey <tromey@cygnus.com>
3565 * configure, config.in: Rebuilt.
3566 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
3568 2000-09-12 Jakub Jelinek <jakub@redhat.com>
3570 * c-lex.c (lex_string): Use charwidth to compute bytemask.
3571 * expr.c (expand_expr): Don't optimize constant array references
3572 initialized with wide string constants.
3574 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3576 * loop.c (note_set_pseudo_multiple_uses): Correct.
3578 2000-09-12 Jim Wilson <wilson@cygnus.com>
3580 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
3581 else block, and X has side-effects, then fail.
3583 2000-09-12 Greg McGary <greg@mcgary.org>
3585 * config/mips/mips-protos.h
3586 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
3587 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
3588 (PREDICATE_CODES): Add "trap_cmp_op".
3589 * config/mips/mips.c
3590 (trap_cmp_op, mips_gen_conditional_trap): New functions.
3591 * config/mips/mips.md (trap, conditional_trap): New patterns.
3593 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3595 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
3598 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3600 * builtins.c (built_in_decls): New array.
3601 (expand_builtin_fputs): New function.
3602 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
3604 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
3606 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
3608 * tree.h (built_in_decls): New array.
3610 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
3612 * convex.md: Use "+" instead of "=" for outputs wrapped in a
3614 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
3616 2000-09-12 Kazu Hirata <kazu@hxi.com>
3618 * haifa-sched.c: Fix formatting.
3620 * genattrtab.c: Fix formatting.
3622 * unroll.c: Fix formatting.
3624 2000-09-12 Bruce Korb <bkorb@gnu.org>
3626 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
3627 remove obsolete code
3628 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
3629 * fixinc/fixincl.tpl: make non-exported arrays static scope
3630 * fixinc/fixincl.x: regenerate
3631 * fixinc/fixlib.h: Use PARAMS, not _P_
3632 * fixinc/fixtests.c: make a type for the test proc & use it
3633 * fixinc/server.h: Use PARAMS, not _P_
3635 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3637 * c-typeck.c (process_init_element): Avoid union init warnings on
3638 floating point zero. Don't crash on unions containing structs.
3640 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
3642 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
3643 general_movsrc_operand, and remove CONST_INT from
3644 general_movdst_operand.
3646 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3648 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
3649 if a reference to non-fixed hardreg is seen. Otherwise, count hard
3650 regs with a higher cost.
3651 (preferrable): Deal with cases where either cost or regcost is
3653 (cse_insn): Use MAX_COST rather than 10000. Always initialize
3655 (COSTS_N_INSNS): Move definition...
3657 (MAX_COST): New macro.
3658 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
3661 2000-09-11 Mark Mitchell <mark@codesourcery.com>
3663 * c-common.h (genrtl_clear_out_block): Remove.
3664 * c-semantics.c (genrtl_clear_out_block): Remove.
3665 (genrtl_while_stmt): Don't call it.
3666 (genrtl_for_stmt): Likewise.
3668 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3670 * cppfiles.c: Move all default-#defines to top of file.
3671 (open_include_file): Replace by lookup_include_file.
3672 (read_with_read, read_file): Merged into read_include_file.
3673 (stack_include_file, purge_cache): New functions.
3674 (close_cached_fd): Delete.
3675 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
3676 Cache the in-memory buffer, not the file descriptor.
3678 * cpphash.h (struct include_file): Add buffer, st, refcnt,
3680 (xcnew): New utility macro.
3681 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
3682 * cpplib.h (struct cpp_buffer): Remove mapped field.
3684 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3686 * cpplex.c (parse_string): Accept backslash space newline as a
3688 (lex_line): Likewise.
3689 (_cpp_get_token): Remove hard limit on macro nesting.
3691 2000-09-12 Philipp Thomas <pthomas@suse.de>
3693 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
3694 * configure: Rebuilt.
3696 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3698 * flow.c (split_block): Fix update of registers live at
3701 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3703 * i386.md (add?i_3, add?i_5): New.
3704 (add?i_4): Rename from add?i_3; Fix compare pattern.
3705 (sub?i_3, xor?i_3, ior?i_3): New.
3707 * genrecog.c (write_tree): Output code to clear insn_extract cache.
3708 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
3709 instead of extract_insn and extract_constrain_insn_cache instead of
3710 extract_insn and constrain_operands.
3711 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
3713 (extract_insn): Clear which_alternative.
3714 (constrain_operands): Set which_alternative to -1 when failed.
3715 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
3718 2000-09-11 Matthew Hiller <hiller@redhat.com>
3720 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
3721 on operand 0 to '+'.
3722 (movstricthi): Likewise.
3724 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3726 * loop.h (LOOP_IVS): New macro.
3727 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
3728 (struct loop_ivs): New.
3729 (struct loop_info): Add ivs field.
3730 (reg_iv_type, reg_iv_info): Delete prototype.
3731 (reg_biv_class, loop_iv_list): Likewise.
3732 * loop.c (record_biv, find_life_end): Pass loop argument.
3733 (reg_iv_type): Remove global array and use
3734 field in loop_regs structure within loop_ivs structure.
3735 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
3736 (first_increment_giv, last_increment_giv): Use entry in
3738 (record_initial): Pass ivs pointer.
3739 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
3741 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3743 * loop.h (LOOP_REGS): New macro.
3744 (struct loop_regs): New.
3745 (struct loop_info): Add regs field.
3746 * loop.c (set_in_loop): Remove global array and store
3747 in loop_regs structure as part of loop_info structure.
3748 (n_times_set, may_not_optimize): Likewise.
3749 (reg_single_usage, moved_once): Likewise.
3750 (count_one_set): Add regs argument.
3751 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
3752 (set_pseudo_multiple_uses): Pass regs pointer.
3754 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3756 * unroll.c (iteration_info): Subsume into loop_iterations.
3757 * loop.h (loop_info): New field iv.
3759 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3761 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
3762 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
3763 (flow_loops_update): New prototype.
3764 (flow_loops_find): Add flags to prototype.
3765 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
3766 * flow.c (flow_loop_pre_header_scan): New.
3767 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
3768 (flow_loop_free): Free pre-header root and trace and exit dominators.
3769 (flow_loops_find): New argument flags.
3770 (flow_loops_update): New function.
3771 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
3773 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3775 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
3776 * flow.c (split_block, update_bb_for_insn): New functions.
3778 2000-09-11 Richard Henderson <rth@cygnus.com>
3780 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
3782 2000-09-11 Richard Henderson <rth@cygnus.com>
3784 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
3785 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
3786 (ia64_override_options): Prevent optimizing division for both
3787 latency and throughput.
3788 (rtx_needs_barrier): Handle frcpa.
3789 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
3790 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
3791 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
3792 (TARGET_SWITCHES): Add -minline-divide-min-latency and
3793 -minline-divide-max-throughput.
3794 (PREDICATE_CODES): Update.
3795 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
3796 (zero_extendsidi2): Likewise. Fix typo in f case insn.
3797 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
3798 (extendsftf2): Likewise.
3799 (extenddftf2): Likewise.
3800 (fix_trunctfdi2_alts): New.
3801 (fixuns_trunctfdi2_alts): New.
3802 (madd*4): Rename from madd*3.
3803 (divsi3, modsi3, udivsi3, umodsi3): New.
3804 (divsi3_internal): New.
3805 (divdi3, moddi3, udivdi3, umoddi3): New.
3806 (divdi3_internal_lat, divdi3_internal_thr): New.
3807 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
3808 (recip_approx): New.
3810 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
3812 * print-rtl.c (debug_call_placeholder_verbose): New variable.
3813 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
3815 * integrate.c (copy_rtx_and_substitute): Don't share
3816 LEAF_REG_REMAPpable registers with the inlined function. Don't
3817 share the function value with calling sequences.
3819 2000-09-11 Jakub Jelinek <jakub@redhat.com>
3821 * c-decl.c (do_case): Fix a typo.
3823 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
3824 to a if the comparison is floating mode and not -ffast-math.
3825 * simplify-rtx.c (simplify_ternary_operation): Likewise.
3827 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3829 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
3830 gen_ic_invalidate_line.
3832 2000-09-11 Philip Blundell <pb@futuretv.com>
3834 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
3836 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
3838 * install.texi (LANGUAGES): Update to include new languages.
3841 2000-09-11 DJ Delorie <dj@redhat.com>
3843 * gcc.c (main): Don't warn about unused -B prefixes
3844 (unused_prefix_warnings): remove
3846 2000-09-11 Kazu Hirata <kazu@hxi.com>
3848 * final.c: Fix formatting.
3850 * integrate.c: Fix formatting.
3852 2000-09-11 Geoff Keating <geoffk@cygnus.com>
3854 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
3856 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
3858 * reload.c (regno_clobbered_p): Fix thinko in previous change.
3860 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3862 * gcc.1: Document 68hc11 specific options.
3864 2000-09-10 Geoff Keating <geoffk@cygnus.com>
3866 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
3867 (TARGET_LONG_DOUBLE_128): Define.
3868 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
3869 (LONG_DOUBLE_TYPE_SIZE): Redefine.
3870 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3871 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
3872 of __LONG_DOUBLE_128__.
3873 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
3875 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
3876 (CPP_SYSV_DEFAULT_SPEC): Define.
3877 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
3878 (INIT_TARGET_OPTABS): Define.
3880 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
3881 (RS6000_UITRUNC): Likewise.
3882 (INIT_TARGET_OPTABS): New macro.
3883 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
3884 (trunc_defined): Delete.
3885 (output_prolog): Don't output .extern definitions for fp->int
3886 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
3887 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
3888 (trunc_defined): Delete.
3889 (RS6000_ITRUNC): Moved to aix.h.
3890 (RS6000_UITRUNC): Likewise.
3891 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
3892 only emit a libcall.
3893 (fixuns_truncdfsi2): Delete.
3894 (trunc_call): Delete.
3895 (trunc_call_rtl): Delete.
3897 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
3899 * varasm.c (make_decl_rtl): Restore leading star on
3900 DECL_ASSEMBLER_NAME set for decls with an asmspec.
3902 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
3904 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
3905 won't give a spurious error for '#pragma pack()'. Simplify
3906 control flow for readability. 'reset' action is not necessary.
3908 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
3910 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
3911 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
3912 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
3913 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
3915 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
3916 profile.c, sdbout.c, tradcif.y, tree.c:
3917 Include defaults.h if not already included.
3918 Don't define the above macros.
3920 * Makefile.in: Update dependencies.
3922 2000-09-10 Mark Mitchell <mark@codesourcery.com>
3924 * c-common.h (add_stmt): Change prototype.
3925 (RECHAIN_STMTS): New macro.
3926 (CASE_LABEL_DECL): Likewise.
3927 (genrtl_case_label): Change prototype.
3928 (c_expand_start_case): Remove prototype.
3929 (build_case_label): Change prototype.
3930 (decl_constant_value): Declare.
3931 * c-common.c (check_case_value): Handle C++'s extensions to C
3933 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
3935 * c-parse.in (stmt): Adjust handling of return statements and case
3937 * c-semantics.c (add_stmt): Return the new statement.
3938 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
3939 returned expression. Directly generate RTL, rather than calling
3941 (genrtl_switch_stmt): Don't call c_expand_start_case.
3942 (build_case_label): Take the LABEL_DECL as input, too.
3943 (genrtl_case_label): Just call add_case_node.
3944 (expand_stmt): Adjust calls to genrtl_return_stmt and
3946 * c-tree.h (c_expand_start_case): Declare.
3947 * c-typeck.c (decl_constant_value): Give it external linkage.
3948 (c_expand_return): Don't call expand_return or expand_null_return;
3949 use genrtl_return_stmt instead.
3950 * stmt.c (struct nesting): Remove num_ranges field.
3951 (add_case_node): Give it external linkage.
3952 (expand_start_case): Don't set num_ranges.
3953 (expand_start_case_dummy): Don't clear it.
3954 (pushcase): Rely on add_case_node to handle `default' labels.
3955 (add_case_node): Handle `default' labels.
3956 * tree.c (tree_int_cst_compare): New function.
3957 * tree.h (tree_int_cst_compare): Declare.
3958 (add_case_node): Likewise.
3960 2000-09-10 Richard Henderson <rth@cygnus.com>
3962 * c-parse.in: Revert last change.
3963 (init_reswords): Do not enter disabled keywords into the ridpointers
3964 table, modulo objc weirdness.
3965 (_yylex): Return the canonical spelling for a keyword.
3967 2000-09-10 Philip Blundell <philb@gnu.org>
3969 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
3970 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
3972 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
3974 * alias.c (find_base_term): Handle ADDRESSOF.
3975 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
3977 2000-09-10 Denis Chertykov <denisc@overta.ru>
3979 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
3980 outputting templates with many lines.
3982 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3984 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
3985 to decide whether 64-bit support must be generated.
3987 2000-09-10 Richard Henderson <rth@cygnus.com>
3989 * c-parse.in (asm patterns): Fix volatile check.
3991 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3993 * cppmacro.c (check_trad_stringification): New function.
3994 (save_expansion): If -Wtraditional, warn about stringification of
3997 2000-09-11 Michael Hayes <mhayes@cygnus.com>
3999 * loop.h (struct loop_mem_info): Move from loop.c
4000 (struct loop_info): Add fields store_mems, mems, mems_idx,
4001 mems_allocated, unknown_address_altered,
4002 unknown_constant_address_altered, num_mem_sets, and
4003 first_loop_store_insn.
4005 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4006 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4007 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4008 (num_mem_sets): Likewise.
4009 (replace_loop_mems, replace_loop_regs): New.
4010 (struct loop_replace_args): New.
4011 (load_mems): Use replace_loop_mems.
4012 (try_copy_prop): Use replace_loop_regs.
4013 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4015 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4017 * configure.in: Recognize m6811-elf and m6812-elf.
4018 * configure: Regenerate.
4020 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4022 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4025 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4027 * loop.c (struct movables): New.
4028 (num_movables): Move into struct movables.
4029 (the_movables): Change type to struct movables.
4030 (ignore_some_movables): Change struct movable arg to struct movables.
4031 (force_movables, combine_movables, regs_match_p): Likewise.
4032 (rtx_equal_for_loop_p, move_movables): Likewise.
4033 (scan_loop): Change movables to be of type struct movables.
4034 Replace last_movable with field in movables structure.
4036 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4038 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4039 (init_pragma): Avoid warning if pfile happens to be unused.
4040 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4041 define init_pragma to nothing. Always prototype
4042 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4044 * c-lex.c (process_directive): Always call dispatch_pragma.
4045 Initialize entering_c_header to 0.
4047 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4049 * config/m68hc11/m68hc11.md: New file, machine description for
4051 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4052 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4053 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4054 * config/m68hc11/m68hc11-protos.h: New file.
4055 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4056 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4057 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4058 * config/m68hc11/larith.asm: New file, libgcc routines.
4060 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4062 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4063 (FPBIT_FUNCS): Add _usi_to_sf.
4064 * config/fp-bit.c (usi_to_float): New function.
4065 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4066 (usi_to_float): Add appropriate #define.
4068 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4070 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4072 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4073 * i386.md (attr "type"): Add sse and mmx types.
4074 (attr "memory"): Handle them without a crash.
4075 (movsi_1, movdi_2): Allow MMX regs.
4076 (movdi splits): Don't split moves involving MMX regs.
4077 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4078 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4079 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4080 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4081 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4082 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4083 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4084 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4085 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4086 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4087 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4088 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4089 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4090 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4091 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4092 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4093 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4094 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4095 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4096 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4097 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4098 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4099 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4100 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4101 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4102 mmx_clrdi): New patterns.
4104 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4106 * arm.c: Don't include tm.h directly.
4108 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4110 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4111 testing; simplify subregs of constants and nested subregs.
4113 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4115 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4117 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4119 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4121 * rtl.texi (description of USE): Add note about possible pitfalls
4123 From Richard Henderson:
4124 * reload1.c (choose_reload_regs): Compute need_mode properly.
4126 2000-09-07 Richard Henderson <rth@cygnus.com>
4128 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4129 (__modsi3, __umodsi3): Likewise.
4130 (__udivsi3): Likewise. Normalize the TFmode values.
4132 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4134 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4136 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4139 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4141 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4142 (cmpeqdi_t): Add output pattern.
4143 (cmpeqdi_t+1): Don't split when not optimizing.
4144 Restore proper splitting operation.
4146 2000-09-07 Richard Henderson <rth@cygnus.com>
4148 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4149 do not call dispatch_pragma.
4151 2000-09-07 Jim Wilson <wilson@cygnus.com>
4153 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4154 to CLASS_CANNOT_CHANGE_MODE.
4155 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4156 mode classes are different.
4158 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4160 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4161 left out of commit which removed cppulp.c.
4163 2000-09-07 Richard Henderson <rth@cygnus.com>
4165 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4166 after switch for CASE_DROPS_THROUGH.
4168 2000-09-07 Richard Henderson <rth@cygnus.com>
4170 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4171 Properly extend the biv initial value for the giv.
4172 (record_biv): Zero ext_dependant.
4173 (record_giv): New argument ext_val. Update all callers.
4174 (general_induction_var): Likewise.
4175 (consec_sets_giv): Likewise.
4176 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4177 a sign-extend, zero-extend, or truncate.
4178 (combine_givs_p): Make sure modes are compatible.
4179 (check_ext_dependant_givs): New.
4180 (extend_value_for_giv): New.
4181 * loop.h (struct induction): Add ext_dependant.
4182 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4183 (find_splittable_givs): Likewise.
4184 (final_giv_value): Likewise.
4186 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4188 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4189 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4190 definitions from cpplib.h.
4191 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4193 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4194 documentation for REGISTER_TARGET_PRAGMAS.
4196 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4197 default-pragma callback to implement -Wunknown-pragmas if
4199 * c-parse.in: Move all includes to top of file.
4200 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4202 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4204 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4206 * arm.h, arm-protos.h, arm.c,
4207 c4x.h, c4x-protos.h, c4x.c,
4208 h8300.h, h8300-protos.h, h8300.c,
4209 i370.h, i370-protos.h, i370.c,
4210 i960.h, i960-protos.h, i960.c,
4211 sh.h, sh-protos.h, sh.c,
4212 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4213 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4215 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4216 multiple include guard.
4217 * i370.md (untyped_call): Use GEN_CALL.
4218 (umodsi3): Remove unused variable.
4219 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4220 * v850.c (output_move_single, output_move_double): Constify
4222 (print_operand): Constify a char *.
4223 * v850.h (struct small_memory_info): Constify name member.
4225 2000-09-07 Kazu Hirata <kazu@hxi.com>
4227 * config/h8300.h: Fix comment typos.
4228 * config/h8300/h8300.md: Likewise.
4229 * config/h8300/lib1funcs.asm: Likewise.
4231 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4233 * Makefile.in: Remove references to cppulp.{c,o}.
4234 * cppinit.c (initialize_builtins, cpp_start_read,
4235 cpp_handle_option): Update to use cpp_options structure.
4238 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4240 * c-common.c (time_char_table): Allow %#b and %#h.
4242 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4244 * reorg.c (find_end_label): If the basic block reorder pass moves the
4245 return insn to some other place try to locate it again and put our
4246 end_of_function_label there.
4247 * reorg.c (relax_delay_slots): Check if find_end_label created a
4248 new label that invalidates the current optimazation.
4250 2000-09-07 Catherine Moore <clm@redhat.com>
4252 * unroll.c (unroll_loop): Check for unconditional jumps
4253 to loop continuation. Delete if n_iterations is 1.
4254 (ujump_to_loop_cont): New routine.
4256 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4258 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4260 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4261 to handle multiword modes correctly. All callers and the declaration
4264 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4266 * c-common.h (prep_stmt): Declare.
4267 (lang_expand_stmt): Likewise.
4268 * c-decl.c (lang_expand_stmt): Remove.
4269 * c-semantics.c (lang_expand_stmt): Define.
4270 (prep_stmt): New function.
4271 (expand_stmt): Handle common statement types here.
4273 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4275 * configure.in (sh-*-linux*): Added.
4276 * configure: Rebuilt.
4277 * config/sh/t-linux: New file.
4278 * config/sh/sh.h (USERMODE_BIT): Define.
4279 (TARGET_USERMODE): Likewise.
4280 (TARGET_SWITCHES): New switches for the bits above.
4281 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4282 * config/sh/linux.h: New file.
4283 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4284 underscore on linux.
4285 (L_sdivsi3, L_udivsi3): Define for linux.
4286 (L_ic_invalidate): Define.
4287 * invoke.texi (SH Options): Document -musermode.
4289 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4291 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4292 CSE unless generating PIC.
4294 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4297 2000-09-06 H.J. Lu (hjl@gnu.org)
4299 * Makefile.in (clean_s1): Depend on stage_b.
4300 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4301 stage2. They are used for "make compare".
4303 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4305 Move statement-tree facilities from C++ to C front-end.
4306 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4307 (void_zero_node): New macro.
4308 (struct stmt_tree_s): New type.
4309 (stmt_tree): New typedef.
4310 (struct language_function): New type.
4311 (last_tree): New macro.
4312 (last_expr_type): Likewise.
4313 (walk_tree_fn): New typedef.
4314 (current_stmt_tree): New function.
4315 (begin_stmt_tree): Likewise.
4316 (add_stmt): Likewise.
4317 (finish_stmt_tree): Likewise.
4318 (statement_code_p): Likewise.
4319 (lang_statement_code_p): New variable.
4320 (walk_stmt_tree): New function.
4321 (STMT_IS_FULL_EXPR_P): New macro.
4322 * c-common.c (lang_statement_code_p): New variable.
4323 (c_common_nodes_and_builtins): Initialize void_zero_node.
4324 (statement_code_p): New function.
4325 (walk_stmt_tree): Likewise.
4326 * c-decl.c (language_function): Rename to ...
4327 (c_language_function): ... this. Include language_function.
4328 (push_c_function_context): Adjust accordingly.
4329 (pop_c_function_context): Likewise.
4330 (mark_c_function_context): Likewise.
4331 (current_stmt_tree): Define.
4332 * c-semantics.c (begin_stmt_tree): New function.
4333 (add_stmt): Likewise.
4334 (prune_unused_decls): Likewise.
4335 (finish_stmt_tree): Likewise.
4337 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4339 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4341 2000-09-06 Kazu Hirata <kazu@hxi.com>
4343 * calls.c: Fix formatting.
4345 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4347 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4349 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4351 Integrated preprocessor.
4353 * Makefile.in: Remove all references to c-parse.gperf,
4354 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4355 generating c-parse.c. Update dependencies.
4356 * c-parse.gperf, c-gperf.h: Delete.
4358 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4359 yy_lim, or yy_get_token. Don't define get_directive_line if
4361 * c-common.h: Add multiple include guard. Define RID values
4362 for every keyword in C, C++, and Objective C. Put all the
4364 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4365 * c-decl.c (c_decode_option): Handle -lang-objc here.
4366 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4367 (grokdeclarator): Adjust for new RID scheme.
4368 (extract_interface_info): New stub.
4369 * c-lang.c: Don't declare yy_cur or parse_options.
4370 (lang_init_options): Call cpp_init. Don't call
4372 (lang_init): Don't call check_newline if USE_CPPLIB.
4374 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4375 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4376 rendered unnecessary by new architecture. Move routines not
4377 shared with C++ to c-parse.in. Maintain a local idea of the
4378 line number. Handle C++ as well as C.
4379 [USE_CPPLIB]: Declare and register callbacks for #ident and
4380 for entering/leaving files.
4381 (init_c_lex, c_lex): Are now the entry points to this file.
4382 (check_newline): Break out directive handling to
4384 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4386 (readescape, parse_float): Overhaul.
4387 (lex_number, lex_string, lex_charconst): Break out of c_lex
4389 (get_fileinfo, update_header_times, dump_one_header,
4390 dump_time_statistics): New and/or moved here from C++.
4391 Support per-file data needed by C++ and per-header timing
4392 statistics (C++ only, at the moment).
4393 * c-lex.h: Update prototypes. Add multiple include guard.
4394 * c-tree.h (struct lang_identifier): Add rid_code field.
4395 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4397 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4398 reinit_parse_for_function and/or position_after_white_space.
4399 (save_filename, save_lineno): Look ahead before saving.
4400 (label -> identifier ':'): Save file and line before shifting ':'.
4401 (reservedwords): No need to call get_identifier.
4402 (init_parse, finish_parse, yyerror, yylex, yyprint,
4403 make_pointer_declarator): Are now here for C/ObjC.
4404 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4406 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4407 #pragma registry. Provide dummy implementation of that
4408 interface if !USE_CPPLIB.
4409 * c-pragma.h: Update to match.
4411 * flags.h: Add multiple include guard.
4412 (flag_detailed_statistics): Moved here from C++.
4413 * toplev.c: Define flag_detailed_statistics.
4415 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4417 * timevar.def (TV_CPP, TV_LEX): New.
4418 * timevar.h: Add multiple include guard.
4420 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4422 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4423 Initialize cpplib properly. Force lineno to 0 after first
4424 call to check_newline. Don't handle -lang-objc here.
4425 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4427 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4429 * rs6000.md: Correct function unit definitions for cr_logical and
4431 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4432 and use portable method for >=0 and floating point >=. Remove
4433 associated matchers.
4435 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4437 * extend.texi: Mark named return value extension as deprecated.
4439 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4441 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4444 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4446 * toplev.c (display_help): Fix thinko in documentation.
4448 * diagnostic.h (output_buffer::indent_skip): New fields.
4449 (output_indentation): New macro.
4451 * diagnostic.c (output_indent): New function.
4452 (output_set_prefix, clear_diagnostic_info): Use.
4453 (output_emit_prefix): Predict future indentation.
4455 2000-09-06 DJ Delorie <dj@redhat.com>
4457 * Makefile.in (stage_*): add more dependencies to ensure parallel
4458 builds build correctly
4460 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4462 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4463 not bootstrap-lean_f.
4465 2000-09-06 Andreas Schwab <schwab@suse.de>
4467 * mklibgcc.in: Emit rule for libgcc-stage-start.
4468 * Makefile.in (stage1-start, stage2-start, stage3-start,
4469 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4471 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
4473 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
4474 (update_equiv_regs): Likewise, except for the mn10200 kludge.
4475 (combine_regs): Likewise.
4477 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
4478 * cse.c: Include "basic-block.h".
4479 (struct table_elt): New field REGCOST.
4480 (CHEAP_REG): Delete macro.
4481 (COST): Return 0 for REGs.
4482 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
4483 (notreg_cost): Return 0 for appropriate SUBREGs.
4484 (COSTS_N_INSNS): Return N * 2.
4485 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
4487 (CHEAPER): Use new function preferrable.
4488 (insert): Initialize REGCOST member.
4489 (find_best_addr): Use approx_reg_cost for estimation of register
4491 (cse_insn): Likewise.
4492 * loop.c (iv_add_mult_cost): New function.
4493 (add_cost, shift_cost, mult_cost): Delete variables.
4494 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
4495 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
4496 Make code that detects autoinc opportunities slightly less optimistic.
4497 (simplify_giv_expr): If expression contains other reg that is also a
4498 giv, only increment benefit if this is the only use of that reg.
4499 (consec_sets_giv): Take that change into account.
4500 (combine_givs): Slightly more verbose output.
4502 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
4503 not the cost of an equivalent shift.
4504 * sh-protos.h (addsubcosts): Declare.
4505 * sh.c (addsubcosts): New function.
4506 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
4507 (RTX_COSTS): Tweak. Use addsubcosts.
4508 (ADDRESS_COST): Return higher cost for reg+reg addressing.
4510 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4512 * config/rs6000/rs6000.c (validate_condition_mode): New function.
4513 (branch_comparison_operator): Call validate_condition_mode to
4514 abort rather than returning 0.
4515 (branch_positive_comparison_operator): New function.
4516 (scc_comparison_operator): Call validate_condition_mode to abort
4517 rather than returning 0.
4518 (ccr_bit): Call validate_condition_mode. Update for
4520 (print_operand): Delete %C modifier. Update %E case
4521 to use EQ bit not SO bit.
4522 (rs6000_reverse_condition): New function.
4523 (rs6000_generate_compare): New function.
4524 (rs6000_emit_sCOND): New function.
4525 (rs6000_emit_cbranch): New function.
4526 (output_cbranch): The length of a long branch insn is
4527 now only 8 bytes. Add validate_condition_mode. Use
4528 rs6000_reverse_condition. Remove cror generation.
4530 * config/rs6000/rs6000.h: Update comments.
4531 (PREDICATE_CODES): Add new predicate. Update codes used
4532 by branch_comparison_operator and scc_comparison_operator.
4533 * config/rs6000/rs6000-protos.h: Add prototypes for
4534 new external functions.
4535 * config/rs6000/rs6000.md: Add new scheduling parameters
4536 for cr_logical instructions. Change length of branch
4538 (bCOND patterns): Call rs6000_emit_cbranch.
4539 (sCOND patterns): Call rs6000_emit_sCOND.
4540 (branch patterns): Change lengths to 4.
4541 (cr logical patterns): New.
4543 2000-09-06 Richard Henderson <rth@cygnus.com>
4545 * config/i386/i386.md (call_pop): Fix test for setting
4546 current_function_uses_pic_offset_table.
4547 (call, call_value_pop, call_value): Likewise.
4549 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4551 * timevar.c (timevar_add): Delete.
4552 (timevar_get): Also count time since the selected timer was
4553 last updated. Do not examine the timevar stack if the
4554 selected timer is standalone.
4556 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4558 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
4560 2000-09-05 Jason Merrill <jason@redhat.com>
4562 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
4563 for 'extern' arrays.
4565 2000-09-05 Richard Henderson <rth@cygnus.com>
4567 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
4568 Eliminate final copy from non-trapping case.
4569 (__divdf3, __divsf3): Likewise.
4571 2000-09-05 Richard Henderson <rth@cygnus.com>
4573 * config/ia64/ia64.md (mulhi3): Fix typo last change.
4574 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
4576 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
4578 * Makefile.in: Restructure bootstrap stages to allow clean
4579 restart after failure.
4581 2000-09-05 Richard Henderson <rth@cygnus.com>
4583 * config/ia64.md (movsi and movdi patterns): Allow moves from
4584 8-bit constants to AR registers.
4586 2000-09-05 Richard Henderson <rth@cygnus.com>
4588 * config/ia64/ia64.md (mulhi3): New.
4590 2000-09-05 Richard Henderson <rth@cygnus.com>
4592 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
4593 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
4594 Optimization Guide, minimum latency alternative.
4595 (__moddi3, __udivdi3, __umoddi3): Likewise.
4596 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
4598 2000-09-05 Bruce Korb <bkorb@gnu.org>
4600 * fixinc/fixincl.c (load_file): always read header files
4601 with sizes that are a multiple of the page size.
4602 & use libiberty's getpagesize for determining that.
4604 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
4606 * gcse.c (hash_string_1): Add prototype.
4607 * cse.c (canon_hash_string): Likewise.
4609 2000-09-04 Craig Newell <CraigN@ieee.org>
4611 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
4613 2000-09-04 Andreas Schwab <schwab@suse.de>
4615 * Makefile.in (STAGESTUFF): Remove libgcc.
4616 (stage1-start, stage2-start, stage3-start): Copy the contents of
4617 the libgcc directory explicitly.
4618 (mostlyclean): Clean libgcc.
4620 2000-09-04 Andrew Haley <aph@redhat.com>
4622 * dwarf2out.c: (stack_adjust_offset): New prototype.
4624 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
4626 * combine.c (make_extraction): Fix rtx_cost comparison to
4629 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
4631 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
4632 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
4633 Add '*' to insn pattern name.
4635 2000-09-04 Jakub Jelinek <jakub@redhat.com>
4637 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
4638 use posn - 1 to index into tokens array.
4639 (maybe_paste_with_next): Adjust caller.
4641 2000-09-03 Geoff Keating <geoffk@cygnus.com>
4643 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
4645 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
4646 (REGNO_REG_CLASS): Use symbolic register
4649 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
4651 * arm.c (final_prescan_insn): If the form of a jump insn isn't
4652 recognized, don't try to conditionally execute it.
4654 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
4656 * config/avr/avr.md ("*tablejump_lib"): New pattern.
4657 (call_value_insn): Right length claculation.
4658 (call_insn): Likewise.
4660 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
4662 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
4663 gas_output_limited_string, gas_output_ascii, output_movqi,
4664 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
4665 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
4666 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
4667 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
4668 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
4669 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
4670 Add "const" as needed to remove warnings.
4672 * config/avr/avr.c (avr_override_options, avr_init_once,
4673 function_prologue, function_epilogue, frame_pointer_required_p,
4674 class_likely_spilled_p, order_regs_for_local_alloc,
4675 avr_address_cost, avr_ret_register): Use K&R style arguments.
4676 (initial_elimination_offset, gas_output_limited_string):
4677 Remove ATTRIBUTE_UNUSED from the used arguments.
4678 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
4679 Use local variables src, dest, base to access operands[].
4680 Rename reg_dest to reg_src if that's what it is.
4681 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
4682 constants to LD_REGS if reg_was_0.
4683 (output_reload_insisf): Change arg 3 to insn length and set it.
4684 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
4685 access to 16-bit I/O register pairs.
4686 (avr_address_cost): Lower cost for the above case.
4687 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
4688 may be clobbered, also for LD_REGS.
4689 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
4692 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
4694 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
4695 macro to test_hard_reg_class function.
4696 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
4697 for loading immediate constants to LD_REGS.
4698 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
4701 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
4703 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
4704 * config/avr/libgcc.S: Lost part of the previous patch.
4706 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4708 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
4709 object before calling pthread_mutex_init.
4711 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
4713 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
4714 config/sh/crtn.asm: New files.
4715 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
4716 (crt1.o, crti.o, crtn.o): New targets.
4717 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
4719 * configure: Rebuilt.
4720 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4721 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
4722 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4723 Undefine for config/elfos.h to redefine.
4724 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
4726 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4728 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
4729 legitimize_pic_address, output_pic_addr_const): Declare.
4730 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
4731 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
4732 (TARGET_SWITCHES): New switch -mprefergot.
4733 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
4734 (PIC_OFFSET_TABLE_REGNUM): Define.
4735 (GOT_SYMBOL_TABLE): Likewise.
4736 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
4737 (ENCODE_SECTION_INFO): Define.
4738 (FINALIZE_PIC): New macros.
4739 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
4740 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
4741 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
4742 (prepare_move_operands): Call emit_pic_move or
4743 emit_pic_const_move if appropriate.
4744 (output_far_jump): For PIC, use braf and output long offset.
4745 (machine_dependent_reorg):
4746 (sh_expand_prologue): Save and initialize the PIC register.
4747 (sh_expand_epilogue): Restore it.
4748 (initial_elimination_offset): Account for it.
4749 (nonpic_symbol_mentioned_p): New function.
4750 (legitimize_pic_address): Likewise.
4751 (output_pic_addr_const): Likewise.
4752 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
4753 (call, call_value): Use them.
4754 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
4755 symPLT_label2reg): New expands.
4756 * invoke.texi (SH Options): Document -mprefergot.
4758 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
4760 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
4761 * gcse.c (hash_string_1): New function.
4762 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
4763 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
4764 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
4765 (canon_hash_string): New function.
4766 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
4767 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
4768 (fold_rtx): Use ASM_OPERANDS accessor macros.
4769 * emit-rtl.c (copy_insn_1): Likewise.
4770 * integrate.c (copy_rtx_and_substitute): Likewise.
4771 * stmt.c (expand_asm_operands): Likewise. Give an
4772 ASM_OPERANDS rtx the mode of the output reg being set from it.
4774 2000-09-01 Fred Fish <fnf@be.com>
4776 * fix-header.c (write_rbrac): Add putc and getc to list of
4777 functions to protect against prior definition as a macro.
4779 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
4781 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
4782 (c_size_type_node): Define.
4783 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
4784 * c-common.c (enum format_lengths, enum format_std_version,
4785 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
4786 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
4787 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
4788 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
4789 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
4790 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
4791 format_types): Define.
4792 (format_char_info, print_char_table, scan_char_table,
4793 time_char_table): Rearrange for new organization of information
4794 about format length modifiers and standard versions.
4795 (T_ST): Redefine to use c_size_type_node.
4796 (check_format_info): Obtain information about length modifiers and
4797 standard versions from tables. Adjust warning message wordings.
4798 Use the name from the user's program for `ll' and `hh' length
4799 modifiers in warning messages. Use more informative names for
4800 wanted types where available (for wchar_t, wint_t, size_t, signed
4801 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
4803 2000-09-01 Jim Wilson <wilson@cygnus.com>
4805 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
4806 * combine.c (distribute_notes): Handle REG_NORETURN.
4807 * rtl.c (reg_note_name): Add REG_NORETURN.
4808 * rtl.h (enum reg_note): Likewise.
4810 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
4812 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
4813 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
4814 (emit_predicate_relation_info): Handle conditional calls with
4816 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
4817 instead of ia64_file_start.
4818 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
4819 * config/ia64/ia64.md (safe_across_calls_all,
4820 save_across_calls_normal): New patterns.
4822 * loop.c (check_final_value): Check for biv use before checking for
4823 giv use. Check for both biv and giv uses. Always set last_giv_use
4824 if there is a giv use.
4826 2000-09-01 Richard Henderson <rth@cygnus.com>
4828 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
4829 (madddi3): Likewise.
4832 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4834 * expr.c (clear_storage): Don't use emit_move_insn unless
4835 either BLKmode or proper size.
4836 (store_constructor): Don't call clear_storage if REG of wrong size.
4838 * flow.c (init_propagate_block_info): Don't mark frame dead at end
4839 of function if returns wiht stack pointer depressed.
4841 2000-09-01 Andrew Haley <aph@redhat.com>
4843 * dwarf2out.c (stack_adjust_offset): New function.
4844 (dwarf2out_stack_adjust): Break out stack adjust logic into
4845 new stack_adjust_offset function. Look inside parallels and
4846 sequences for stack adjustments.
4848 2000-08-31 Jeff Law <law@cygnus.com>
4850 * arm.md: Use no_new_pseudos to determine when it is safe
4851 to create new pseudo registers.
4853 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
4854 when we can safely allocate new registers.
4856 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
4858 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
4859 so that CONCATs are not generated for ASMs.
4860 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
4861 not generating_concat_p.
4862 * function.c (pop_function_context_from): Reset
4863 generating_concat_p.
4864 (prepare_function_start): Likewise.
4865 * rtl.c (generating_concat_p): Define.
4866 * rtl.h (generating_concat_p): Declare.
4867 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
4869 2000-08-22 Philipp Thomas <pthomas@suse.de>
4870 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
4872 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
4875 2000-08-30 Greg McGary <greg@mcgary.org>
4877 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
4878 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
4879 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
4881 2000-08-30 Greg McGary <greg@mcgary.org>
4883 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
4884 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
4885 (TREE_INT_CST): New macro.
4886 * varasm.c (const_hash, compare_constant_1, record_constant_1):
4887 Use new macro TREE_INT_CST.
4889 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
4891 * contrib.texi: Add self.
4893 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
4895 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
4896 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
4899 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4901 * fixinc/gnu-regex.c: Don't define `const'.
4903 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4905 * expr.c (store_constructor): Allow variable bounds of array type.
4906 (expand_expr): Don't blow up if type is ERROR_MARK.
4907 * varasm.c (output_constructor): Don't access lower bound of array
4908 type unless need it if index is supplied (so it can be a variable
4909 if no index is supplied).
4910 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
4911 Other minor cleanups.
4913 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4915 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
4916 for compilations in stage 1 and subsequent stages, respectively.
4917 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
4918 * configure: Rebuilt.
4919 * x-vax, x-vax-gcc: Deleted.
4921 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
4923 * c-common.c (declare_function_name): Use func_id_node,
4924 function_id_node, and pretty_function_id_node. Do not make
4925 __func__ visible at file scope.
4926 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
4927 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
4928 (function_id_node, pretty_function_id_node, func_id_node): New
4930 * c-decl.c (init_decl_processing): Initialize function_id_node,
4931 pretty_function_id_node, and func_id_node.
4932 (c_make_fname_decl): Correct comment.
4934 * tree.h (struct tree_identifier): Constify pointer member.
4936 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
4937 * c-pragma.h (struct weak_syms): Constify name and value members.
4938 (add_weak): Constify arguments.
4940 * calls.c (special_function_p): Constify a char *.
4941 (expand_call): Remove variable which is initialized and then
4943 * dependence.c (struct def_use, struct induction, struct subscript):
4944 Constify 'variable' member.
4945 (get_low_bound, have_induction_variable): Constify char * argument.
4946 (find_induction_variable): Add braces to avoid dangling else.
4947 (classify_dependence): Constify char * arrays.
4948 * profile.c (output_func_start_profiler): Constify a char *.
4949 * stor-layout.c (finalize_record_size): Constify a char *.
4950 * tree.c (is_attribute_p): Constify a char *.
4951 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
4953 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
4954 for comprehensibility. Do not call get_identifier if we did
4955 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
4956 create temporary string constants, not ggc_alloc_string. No
4957 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
4958 char * to hold IDENTIFIER_POINTERs.
4960 2000-08-29 Richard Henderson <rth@cygnus.com>
4962 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
4965 2000-08-29 Richard Henderson <rth@cygnus.com>
4967 * reload.c (push_secondary_reload): Allow class == reload_class
4968 if we're using a reload_in/out pattern.
4970 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
4971 the half that does not conflict with the reload register.
4972 (reload_outti): Likewise.
4974 2000-08-29 Kazu Hirata <kazu@hxi.com>
4976 * reload.c: Fix formatting.
4978 * stmt.c: Fix formatting.
4980 * gcc.c: Fix formatting.
4982 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
4984 * flags.h (time_report, mem_report): New global flags.
4985 * toplev.c: Define time_report and mem_report.
4986 (f_options): Add -ftime-report and -fmem-report.
4987 (compile_file): Turn on time_report if quiet_flag is off.
4988 Call ggc_print_statistics at very end if mem_report is on.
4989 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
4991 * ggc-common.c (ggc_print_statistics): Rename to
4992 ggc_print_common_statistics; all callers changed. Scale
4993 quantities above 10K to kilobytes and above 10M to megabytes.
4994 * ggc-page.c (ggc_page_print_statistics): Rename to
4995 ggc_print_statistics. Report memory consumed by internal data
4996 structures for each allocation bucket. Scale quantities above
4997 10K to kilobytes and above 10M to megabytes.
4998 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
4999 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5000 Define tally_leaves always.
5001 (ggc_print_statistics): New function.
5002 * ggc.h: Adjust for renamed functions.
5004 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5006 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5007 output_movsisf instead of which_alternative.
5009 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5011 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5013 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5014 (avr_progmem_p): New prototype.
5015 (output_movsisf): Prototype declaration changed.
5016 (output_movqi): New prototype.
5017 (output_movhi): New prototype.
5018 (call_insn_operand): Likewise.
5019 (final_prescan_insn): Likewise.
5020 (avr_simplify_comparision_p): Likewise.
5021 (avr_normalize_condition): Likewise.
5022 (compare_eq_p): Likewise.
5023 (out_shift_with_cnt): Likewise.
5024 (const_int_pow2_p): Likewise.
5025 (output_reload_inhi): Prototype declaration changed.
5027 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5028 (ldi_reg_rtx): New. rtx for r31.
5029 (avr_init_stack): Initialize as "__stack".
5030 (function_prologue): Use it.
5031 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5032 (avr_mcu_name): Initialize as "avr2".
5033 (avr_enhanced_p, avr_mega_p): New variables.
5034 (mcu_types, avr_override_options): Handle all known MCU types.
5035 Also handle avr1 (only preprocess, assemble and link).
5036 (print_operand): Using of `%K' in output template removed.
5037 (out_movqi_r_mr): Optimized.
5038 (out_movhi_r_mr): Likewise.
5039 (output_movqi): New function.
5040 (output_movhi): Likewise.
5041 (out_movsi_r_mr): Optimized.
5042 (output_movsisf): Compute insn length for `adjust_insn_length'
5043 (out_movqi_mr_r): Optimized.
5044 (out_movhi_mr_r): Optimized.
5045 (adjust_insn_length): Use output_movsisf, output_movqi,
5046 output_movhi for insn length adjusting.
5047 (reg_unused_after): Use dead_or_set_p.
5048 (preferred_reload_class): Now havn't any restriction.
5049 (reg_was_0): New function.
5050 (io_address_p): Likewise.
5051 (const_int_pow2_p): Likewise.
5052 (output_reload_inhi): Likewise.
5053 (output_reload_insisf): Likewise.
5055 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5056 (LIB_SPEC): Use -lc for all supported devices.
5057 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5058 (AVR_MEGA): Define as avr_mega_p.
5059 (AVR_ENHANCED): New, define as avr_enhanced_p.
5060 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5061 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5062 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5063 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5064 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5065 (ASM_SPEC): Pass -mmcu=... to the assembler.
5066 Change all -DAVR_* to -D__AVR_*__.
5067 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5068 Rename library functions to start with two underscores.
5069 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5071 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5072 (SUPPORTS_WEAK): Likewise.
5073 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5074 register for loading constants to r0-r14.
5076 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5078 (*mov_r_sp): Removed. Handled by output_movhi.
5079 (*mov_sp_r): Likewise.
5080 (*mov_sp_r_no_interrupts): Likewise
5081 (*mov_sp_r_tiny): Likewise.
5082 (*movqi): Use output_movqi.
5083 (*reload_inqi): New.
5084 (*movhi): Use output_movhi.
5085 (*reload_inhi): New.
5086 (*negsi2): Optimized.
5087 (*negsf2): Likewise.
5088 Added peepholes (define_peephole2) for loading constants to r0-r14
5089 and for using `cpse' command.
5091 * config/avr/libgcc.S: Rename library functions to start with two
5093 Add support for enhanced core.
5094 (_moqhi3): Fix typo, now _modqi3.
5095 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5096 (__prologue_saves__): Remove test for stack adjust by 0.
5097 (__tablejump__): New.
5099 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5100 Add multilib support.
5102 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5104 * loop.c (prescan_loop): Don't check unknown_address_altered
5105 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5106 to loop_store_mems as necessary.
5107 (loop_invariant_p): Don't check unknown_address_altered
5108 or unknown_constant_address_altered.
5110 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5112 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5114 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5116 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5117 print just the filename.
5118 * cpplex.c (_cpp_run_directive): Add additional argument, the
5119 name to give the synthetic buffer. This defaults to
5120 translated "<command line>".
5121 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5123 (_cpp_define_builtin): New function.
5124 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5125 * cpphash.h: Update prototypes.
5127 * tradcpp.c (main): Process -D and -U simultaneously, in the
5128 order they appeared on the command line.
5130 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5132 * c-decl.c (define_label): Call warning_with_file_and_line and
5133 error_with_file_and_line instead of plain warning or error.
5135 * c-parse.in (label): Use save_filename/save_lineno to ensure
5136 correct values for calls to define_label.
5138 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5140 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5142 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5144 * tree.h (get_file_function_name): Remove two duplicate
5147 2000-08-28 Kazu Hirata <kazu@hxi.com>
5149 * tree.c: Fix formatting.
5151 * xcoffout.c: Fix formatting.
5153 2000-08-28 Jason Merrill <jason@redhat.com>
5155 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5157 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5159 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5160 break_out_includes if it won't do anything.
5162 2000-08-28 Richard Henderson <rth@cygnus.com>
5164 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5165 (find_reloads): Likewise.
5166 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5167 (reload_inhi): Likewise.
5169 2000-08-28 Richard Henderson <rth@cygnus.com>
5171 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5172 (call_insn_operand): Don't expect a surrounding mem.
5173 (constant_call_address_operand): Likewise.
5174 * config/i386/i386.h (PREDICATE_CODES): Update.
5175 * config/i386/i386.md (call patterns): Move the match_operand
5176 for the call destination inside the mem.
5178 2000-08-28 Richard Henderson <rth@cygnus.com>
5180 * local-alloc.c (requires_inout): Don't use reserved range for
5181 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5182 * recog.c (asm_operand_ok): Likewise.
5183 (preprocess_constraints, constrain_operands): Likewise.
5184 * regclass.c (record_reg_classes): Likewise.
5185 * reload.c (find_reloads): Likewise.
5186 * reload1.c (maybe_fix_stack_asms): Likewise.
5187 (reload_cse_simplify_operands): Likewise.
5188 * stmt.c (expand_asm_operands): Likewise.
5190 * md.texi: Update constraints documentation.
5191 * tm.texi (EXTRA_CONSTRAINT): Update.
5193 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5195 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5196 (print_die): If we don't know the offset of the
5197 target die, try the symbol. Add a trailing newline.
5198 (reverse_all_dies): New fn.
5199 (dwarf2out_finish): Call it.
5200 (break_out_includes): Reorganize for clarity.
5201 (add_sibling_attributes): Don't call reverse_die_lists.
5202 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5204 * flags.h: Add flag_eliminate_dwarf2_dups.
5205 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5207 2000-08-28 Jason Merrill <jason@redhat.com>
5209 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5210 * dwarf2out.c: #include "md5.h".
5211 (DIE_LABEL_PREFIX): New macro.
5212 (dw_val_struct): Add 'external' flag to val_die_ref.
5213 (add_AT_die_ref, AT_ref): Adjust.
5214 (AT_ref_external, set_AT_ref_external): New fns.
5215 (build_abbrev_table): Call set_AT_ref_external.
5216 (value_format): Call AT_ref_external.
5217 (die_struct): Add die_symbol field.
5218 (new_die): Clear it.
5219 (dwarf_tag_name): Handle BINCL/EINCL.
5220 (dwarf2out_start_source_file): Add BINCL DIE.
5221 (dwarf2out_end_source_file): Add EINCL DIE.
5222 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5223 (loc_checksum, attr_checksum, die_checksum): New fns.
5224 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5225 (compute_section_prefix, assign_symbol_names): New fns.
5226 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5227 (output_die): Call output_die_symbol and AT_ref_external.
5228 (output_comdat_comp_unit): New fn, split out from...
5229 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5231 (output_pubnames, output_aranges): Abort if we see entries from
5233 * toplev.h: Declare file_name_nondirectory.
5234 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5235 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5236 (debug_start_source_file): Call dwarf2out_start_source_file
5237 regardless of debug verbosity.
5238 (debug_end_source_file): Similarly.
5239 * tree.h: Declare clean_symbol_name.
5240 * tree.c (clean_symbol_name): Split out from...
5241 (get_file_function_name_long): ...here.
5243 * dwarf2out.c (new_loc_descr): Use calloc.
5244 (splice_child_die): Remove the die from the right parent.
5245 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5247 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5249 * toplev.c (decode_g_option): Don't give warning for unknown -g
5250 option; return 0 instead.
5251 (main): If -g option is not recognized by front end or
5252 language-independent code, give warning.
5254 2000-08-28 Greg McGary <greg@mcgary.org>
5256 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5257 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5258 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5260 2000-08-27 Greg McGary <greg@mcgary.org>
5262 * cpplex.c (parse_string): Don't look for backslash
5263 before first char in `namebuf'.
5264 * loop.c (strength_reduce): Skip NOTEs.
5266 2000-08-27 Jason Merrill <jason@redhat.com>
5268 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5269 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5270 TREE_ASM_WRITTEN, either.
5271 (finish_decl): Adjust.
5273 2000-08-28 Philipp Thomas <pthomas@suse.de>
5275 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5276 they have been incorporated into the gettext CVS. Change the text to
5277 reflect the current status of NLS. Add instructions for accessing
5278 the gettext CVS and add the patch from Martin v. Loewis.
5280 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5282 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5283 by using gen_lowpart_common.
5284 (movdi_internal64+6): Likewise.
5286 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5288 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5291 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5292 numbers to the ranges used by GDB.
5294 2000-08-25 Richard Henderson <rth@cygnus.com>
5296 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5297 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5298 (ia64_expand_prologue): Likewise.
5299 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5300 argument for stdargs.
5302 2000-08-25 Jason Merrill <jason@redhat.com>
5304 * integrate.c (expand_inline_function): Pull out the original decl.
5306 2000-08-25 Jim Wilson <wilson@cygnus.com>
5308 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5310 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5312 2000-08-25 Greg McGary <greg@mcgary.org>
5314 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5315 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5317 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5319 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5321 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5323 * i386.c (ix86_find_base_term): New.
5324 * i386-protos.h (ix86_find_base_term): Prototype.
5325 * i386.h (FIND_BASE_TERM): Define.
5326 * alias.c (find_base_term): Use it.
5327 * tm.texi (FIND_BASE_TERM): Document it.
5329 * alias.c (true_dependence, write_dependence_p): Unchanging
5330 memory can't conflict with non-unchanging memory.
5332 * alias.c (memrefs_conflict_p): A BLKmode reference
5333 to a symbol (or CONST_INT address) always conflicts
5334 with a reference to another symbol.
5336 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5338 * c-common.c (time_char_table): Don't allow width and flags with
5341 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5343 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5344 way as LT and LTU when the second operand has 0 in low word.
5346 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5348 * basic-block.h (struct loop): Rename `exits' field to
5349 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5351 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5352 (flow_loop_entry_edges_find): Add.
5353 (flow_edge_list_print): Rename from flow_exits_print.
5354 (flow_loops_find): Call flow_loop_entry_edges_find.
5355 (flow_loop_dump): Dump entry_edges list.
5356 (flow_loops_free): Free entry_edges.
5358 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5360 * loop.c (loop_dump_aux, debug_loop): New functions.
5361 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5363 * flow.c (flow_loops_dump): Add callback parameter.
5364 (flow_loop_dump): Add callback parameter and call it. Move
5365 loop note debugging code to loop_dump_aux.
5367 * basic-block.h (flow_loop_dump): Add callback parameter
5368 (flow_loops_dump): Likewise.
5370 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5371 to call to flow_loops_dump.
5373 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5375 * loop.c (count_loop_regs_set): Replace start and end arguments
5376 with loop argument. All callers udated.
5378 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5380 * loop.c (constant_high_bytes): Delete.
5382 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5384 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5385 and NOTE_INSN_LOOP_VTOP to...
5386 (find_and_verify_loops) ...here.
5388 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5390 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5391 (fini_dummy, init_dummy): Use it.
5393 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5395 * cpplex.c (is_macro_disabled): Caller has already checked
5396 that we're not a preprocessed file.
5398 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5400 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5401 (c-iterate.o): Remove target.
5402 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5403 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5404 (finish_decl): Don't handle iterators.
5405 (grokdeclarator): Likewise.
5406 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5407 * gcc/c-gperf.h: Regenerated.
5408 * gcc/c-iterate.c: Removed.
5409 * gcc/c-lex.c (init_lex): Don't handle iterators.
5410 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5411 (compstmt_primary_start): Remove push_iterator_stack call.
5412 (stmt): Don't allow iterator statements. Replace iterator_expand
5413 with expand_expr_stmt.
5414 (all_iter_stmt): Remove.
5415 (all_iter_stmt_simple): Likewise.
5416 (all_iter_stmt_with_decl): Likewise.
5417 * gcc/c-tree.h (ITERATOR_P): Remove.
5418 (ITERATOR_BOUND_P): Likewise.
5419 (init_iterators): Remove declaration.
5420 (iterator_expand): Likewise.
5421 (iterator_for_loop_start): Likewise.
5422 (iterator_for_loop_end): Likewise.
5423 (iterator_for_loop_record): Likewise.
5424 (push_iterator_stack): Likewise.
5425 (pop_iterator_stack): Likewise.
5426 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5427 (readonly_warning): Likewise.
5428 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5430 2000-08-24 Jim Wilson <wilson@cygnus.com>
5432 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5433 Copy type in a TYPE_DECL, just like pushdecl does.
5435 2000-08-24 Richard Henderson <rth@cygnus.com>
5437 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5439 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5441 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5442 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5443 the extras on the free list.
5444 (release_pages): Clean up.
5445 (ggc_set_mark): Don't adjust G.allocated here...
5446 (sweep_pages): ... do it here.
5448 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5450 * cppfiles.c (read_include_file): Rearrange initializations.
5452 2000-08-24 Richard Henderson <rth@cygnus.com>
5454 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5456 * config/ia64/ia64-protos.h: Update.
5457 * config/ia64/ia64.c (gr_register_operand): New.
5458 (fr_register_operand, grfr_register_operand): New.
5459 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5460 (grfr_reg_or_8bit_operand): New.
5461 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5462 use gr_register_operand.
5463 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5464 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5465 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5466 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5467 (fr_reg_or_fp01_operand): Likewise.
5468 (not_postinc_memory_operand): New.
5469 (ia64_split_timode): Remove unused variables.
5470 (rtx_needs_barrier): Check arguments to cmpxchg.
5471 (builtin_description): Remove.
5472 (bdesc_2argsi, bdesc_2argdi): Remove.
5473 (ia64_init_builtins): Declare all builtins directly.
5474 (ia64_expand_fetch_and_op): Rewrite to be called from
5475 ia64_expand_builtin directly. Use expand_binop and co.
5476 (ia64_expand_op_and_fetch): Likewise.
5477 (ia64_expand_compare_and_swap): Likewise.
5478 (ia64_expand_binop_builtin): Remove.
5479 (ia64_expand_lock_test_and_set): New.
5480 (ia64_expand_lock_release): New.
5481 (ia64_expand_builtin): Use them.
5482 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
5483 (EXTRA_CONSTRAINT): Use it.
5484 (PREDICATE_CODES): Update.
5485 * config/ia64/ia64.md (*): Use gr_register_operand and co.
5486 (mf): Indicate that we set memory as well as use it.
5487 (fetchadd_acq_si): Show memory being modified as well.
5488 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
5489 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
5490 (lock_test_and_set_si, lock_test_and_set_di): Remove.
5491 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
5492 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
5493 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
5494 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
5495 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
5496 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
5497 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
5498 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
5499 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
5500 return type. Pretty print definitions.
5502 2000-08-24 Jim Wilson <wilson@cygnus.com>
5504 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
5505 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
5507 2000-08-24 Jason Merrill <jason@redhat.com>
5509 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
5510 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
5511 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
5512 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
5514 2000-08-24 Greg McGary <greg@mcgary.org>
5516 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
5517 and extendtab within their proper array boundaries.
5518 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
5519 for the entire array.
5521 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
5522 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
5523 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
5524 * config/fr30/fr30.c (fr30_print_operand): Likewise.
5525 * config/i386/dgux.c (output_options): Likewise.
5526 * config/i386/dgux.h (ASM_FILE_START): Likewise.
5527 * config/m88k/m88k.c (output_options): Likewise.
5528 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
5529 * config/mcore/mcore.c (mcore_output_inline_const_forced,
5530 layout_mcore_frame, handle_structs_in_regs): Likewise.
5531 * config/mips/mips.c (output_block_move): Likewise.
5532 * config/rs6000/rs6000.c (rs6000_override_options,
5533 rs6000_file_start): Likewise.
5534 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
5535 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
5536 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
5537 * builtins.c (expand_builtin_setjmp): Likewise.
5538 * expr.c (safe_from_p): Likewise.
5539 * flow.c (life_analysis): Likewise.
5540 * fold-const.c (size_int_type_wide): Likewise.
5541 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
5542 * genattrtab.c (make_length_attrs): Likewise.
5543 * genopinit.c (gen_insn): Likewise.
5544 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
5545 * global.c (global_alloc): Likewise.
5546 * local-alloc.c (find_free_reg): Likewise.
5547 * mips-tdump.c (print_symbol): Likewise.
5548 * mips-tfile.c (parse_def, parse_input): Likewise.
5549 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
5550 * stmt.c (expand_nl_goto_receiver): Likewise.
5551 * stor-layout.c (set_sizetype): Likewise.
5552 * varasm.c (decode_reg_name): Likewise.
5553 * toplev.c (decode_f_option, decode_W_option,
5554 set_target_switch, print_switch_values): Likewise.
5555 (NUM_ELEM): Remove macro.
5556 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
5558 2000-08-24 Greg McGary <greg@mcgary.org>
5560 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
5561 (MAIN_NAME_P, main_identifier_node): New macros.
5562 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
5563 * c-decl.c (start_decl, grokdeclarator, start_function,
5564 store_parm_decls, finish_function): Use MAIN_NAME_P.
5565 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
5566 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
5567 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
5568 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
5570 2000-08-24 Greg McGary <greg@mcgary.org>
5572 * cppfiles.c (actual_directory): Don't write beyond `dir'
5573 when it contains "".
5574 * real.c (asctoeg): Stay within bounds of etens[][].
5576 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5578 * dependence.c (dependence_string, direction_string,
5579 dump_one_node, dump_node_dependence): Hide unused identifiers.
5580 (get_low_bound, normalize_coefficients): Match definition to
5582 (get_one_coefficient): Initialize variables `value0_is_idx' and
5584 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
5585 (ziv_test): Delete variable `idx', use parameter `sub' instead.
5586 (direction_merge): Avoid automatic aggregate initialization.
5587 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
5588 Initialize variables `dest_idx' and `src_idx'.
5589 (end_dependence_analysis): Avoid C89 style function definition.
5591 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
5593 * c-common.c (time_char_table): Don't allow width with %F.
5594 (check_format_info): Don't allow "Z" length with scanf.
5596 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
5598 * diagnostic.c (finish_diagnostic): Define.
5599 (output_do_printf): Use wrap_text instead of output_add_string.
5600 (default_print_error_function): Avoid embedded '\n'.
5602 * diagnostic.h (flush_diagnostic_buffer): Declare.
5604 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
5606 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
5608 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
5610 * Makefile.in (GCC_PASSES): Add specs.
5612 2000-08-23 Jim Wilson <wilson@cygnus.com>
5614 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
5615 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
5616 EHANDLER nor UHANDLER bit is set.
5617 (__get_except_table): Likewise.
5619 2000-08-23 Nick Clifton <nickc@redhat.com>
5621 * config/arm/lib1funcs.asm: Replace upper case condition codes
5622 with lower case versions.
5624 * config/arm/arm.h (STRUCT_VALUE): Define.
5625 (STRUCT_VALUE_REGNUM): Delete.
5627 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
5629 * cpphash.h (IN_I): New flag for directive table.
5630 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
5632 (_cpp_check_directive): If -fpreprocessed, execute directives
5633 marked with IN_I. Issue no warnings in this case.
5634 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
5636 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
5638 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
5640 (check_format_info): Support printf 'I' flag; warn about it with
5643 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
5645 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
5646 barrier can't be ignored by the alias analysis code.
5648 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
5650 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
5651 works inside fixincl.
5653 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
5655 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
5656 simplify_relational_operation() unless both operands are of
5658 * cse.c (fold_rtx): Likewise.
5660 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
5662 * rtlanal.c (rtx_unstable_p): The pic register is stable
5663 (within one function) and the actual rtx should be used
5664 when checking the registers.
5665 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
5667 * alias.c (true_dependence, write_dependence_p): Fix
5668 bug in previous patch.
5670 * i386.c (ix86_GOT_alias_set): New.
5671 (legitimize_pic_address): Use it.
5673 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
5674 only stable if its address is stable.
5675 (rtx_varies_p): An unchanging MEM can't vary if
5676 its address doesn't vary.
5678 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5680 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
5682 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5684 * vax.h (ASM_SPEC): Pass `-J' to assembler.
5685 * x-vax-gcc: New file for bootstrapping with gcc.
5686 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
5687 * configure.in: Use x-vax-gcc with gcc.
5688 * configure: Rebuilt.
5690 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5692 * toplev.c (rest_of_compilation): Rebuild label notes after
5693 post-reload splitting pass if new labels have been created.
5695 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5697 * diagnostic.h (output_buffer_state): New macro.
5698 * diagnostic.c (diagnostic_for_decl, sorry,
5699 default_print_error_function, output_do_verbatim,
5700 report_diagnostic, report_problematic_module): Use it.
5702 (output_format): Use wrap_text instead of maybe_wrap_text.
5704 2000-08-22 Nick Clifton <nickc@redhat.com>
5706 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
5707 Common code for ARM divide and modulus functions.
5708 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
5710 (FUNC_END): New macro: Common code at the end of the division and
5712 (THUMB_FUNCTION_START): New macro: Common code at the start of
5714 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
5716 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
5718 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
5720 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
5721 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
5724 2000-08-22 Nick Clifton <nickc@redhat.com>
5726 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
5727 restorative additions, test for bottom bits of IP being set,
5728 rather than relying upon the RORs not matching.
5731 2000-08-22 David Edelsohn <edelsohn@gnu.org>
5733 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
5734 text_section() as appropriate instead of emitting text csect
5736 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
5737 (UNIQUE_SECTION): Define macro.
5738 (ASM_OUTPUT_SECTION_NAME): Define macro.
5739 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
5740 on AIX if debugging and -fdata-sections always.
5742 2000-08-22 Steven King <sxking@uswest.net>
5744 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
5746 (LDBL_MAX): Same here.
5748 2000-08-22 Richard Henderson <rth@cygnus.com>
5750 * flow.c (tidy_fallthru_edge): Update b->end properly.
5752 2000-08-22 Stan Cox <scox@redhat.com>
5754 * Makefile.in (OBJS): Add dependence.o.
5755 * dependence.c: New file.
5757 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
5759 * calls.c (check_sibcall_argument_overlap_1): Adjust for
5761 (check_sibcall_argument_overlap): Likewise.
5763 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
5765 * invoke.texi (SH Options): Document -m4-nofpu,
5766 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
5767 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
5769 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
5771 * c-common.c (check_format_info): Give the 'some locales' warning
5772 for strftime %Ey rather than the unconditional 'only last 2 digits
5775 2000-08-22 Richard Henderson <rth@cygnus.com>
5777 * alias.c (init_alias_analysis): Do not register
5778 struct_value_incoming_rtx or static_chain_rtx as pointing
5781 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
5783 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
5785 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5787 * diagnostic.h (report_problematic_module): Declare.
5788 * diagnostic.c (report_problematic_module): New function.
5789 (report_error_function): Tweak.
5791 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5793 * stmt.c (expand_goto_internal, fixup_gotos): Only check
5794 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
5796 2000-08-21 Richard Henderson <rth@cygnus.com>
5798 * flow.c (calculate_global_regs_live): Mark frame pointer live
5799 everywhere before reload.
5801 2000-08-21 Jim Wilson <wilson@cygnus.com>
5803 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
5804 INTEL_EXTENDED_IEEE_FORMAT.
5805 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
5806 clear last two bytes of output FP value.
5808 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
5810 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
5812 2000-08-21 Jakub Jelinek <jakub@redhat.com>
5814 * unroll.c (loop_find_equiv_value): If ret is modified between
5815 insn and loop_start, ret might not be equivalent to reg.
5817 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
5819 * c-common.c (init_dollar_format_checking,
5820 maybe_read_dollar_number, finish_dollar_format_checking): New
5822 (dollar_arguments_used, dollar_arguments_count,
5823 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
5825 (check_format_info): Support $ formats for scanf and printf width
5826 and precision. Always increment format_chars to advance past the
5827 '*' of precision, not just when the format parameters are
5830 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5832 * mips.c (block_move_loop, expand_block_move,
5833 function_arg_partial_nregs, save_restore_insns, function_prologue,
5834 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
5836 (function_arg_advance, function_arg): Match argument to format
5839 2000-08-21 Nix <nix@esperi.demon.co.uk>
5841 * gcc.c (do_spec_1): Implement %j spec flag.
5842 Remove dead comment.
5844 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
5845 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
5846 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
5847 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
5849 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
5850 writable) instead of hardcoded value.
5852 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
5854 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
5857 * gcc.c (cc1_options): Do not process -o or run the assembler if
5859 * objc/lang-spec.h: Likewise.
5861 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
5863 * fixinc/fixincl.c (fix_with_system): Pipe the output of
5864 "external" fixes through `cat', to avoid truncating the input
5865 file by redirection.
5867 2000-08-21 Jakub Jelinek <jakub@redhat.com>
5869 * config/i386/i386.md (lea_general_1): Copy insn condition to split
5871 (lea_general_2, lea_general_3): Likewise.
5873 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5875 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
5876 warnings to user code.
5878 * c-lex.c (readescape, yylex): Likewise.
5880 * c-typeck.c (store_init_value, process_init_element): Likewise
5881 (c_expand_start_case): Format.
5883 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
5885 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
5887 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
5888 and linker_endian_spec to endian_spec.
5889 (ENDIAN_SPEC): Add %{EB} and %{EL}.
5890 (LINK_SPEC): Remove %{EB} and %{EL}.
5891 (ASM_SPEC): Likewise. Use %(endian_spec).
5893 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
5895 * c-tree.h (flag_hosted): Move declaration from here...
5896 * c-common.h (flag_hosted): ... to here.
5897 (flag_noniso_default_format_attributes): New declaration.
5898 * c-decl.c (flag_noniso_default_format_attributes): New variable.
5899 (c_decode_option): Set it appropriately for options choosing
5900 language standard variant.
5901 * c-common.c (init_function_format_info): Only provide default
5902 format attributes if flag_hosted. Only provide the gettext
5903 formats if flag_noniso_default_format_attributes. Update
5905 (check_format_info): Disable treatment of %a as a scanf flag in
5908 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
5910 * c-common.c (scan_char_table): Add 'w' to flags for all formats
5912 (check_format_info): Set 'wide' for scanf format widths. Warn for
5913 a zero scanf width. Make the check for writing into a constant
5914 object at the first level of indirection; at later levels, warn if
5915 any type qualifiers are encountered.
5917 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
5919 * reload.c (reload_inner_reg_of_subreg): New function broken out of
5921 (push_reload): Use reload_inner_reg_of_subreg.
5922 (combine_reloads): Do not combine reloads if the input reload
5923 is a SUBREG in which the inner part will need reloading.
5925 * global.c (global_alloc): Avoid passing dumpfile argument to
5927 * toplev.c (rest_of_compilation): Likewise.
5928 * reload.h (reload): Remove dumpfile argument. Callers changed.
5929 (debug_reload, debug_reload_to_stream): Move prototypes here.
5930 * rtl.h (reload): Remove dumpfile argument.
5931 * reload.c (debug_reload): Remove prototype.
5932 (debug_reload_to_stream): Likewise.
5933 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
5936 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5938 * diagnostic.c (context_as_prefix): Export.
5939 (need_error_newline): Remove.
5940 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
5941 (error_module_changed, record_last_error_module,
5942 error_function_changed, record_last_error_function): New functions.
5943 (initialize_diagnostics): Default intialize
5944 lang_diagnostic_starter, lang_diagnostic_finalizer.
5945 (init_output_buffer): Tweak.
5946 (file_name_as_prefix): New function.
5947 (announce_function, default_print_error_function,
5948 report_error_function, set_diagnostic_context): Tweak.
5950 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
5952 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
5953 condition expression.
5955 2000-08-20 Richard Henderson <rth@cygnus.com>
5957 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
5959 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
5961 * cppinit.c (cpp_init): Set global flag when called.
5962 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
5964 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
5966 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
5967 before `process_directive' so that newlines won't be missed
5969 (cpp_printf): Increment `print->lineno' when newline is emitted.
5971 * cppmain.c (cb_ident): Likewise.
5972 (cb_define): Likewise.
5973 (cb_undef): Likewise.
5974 (cb_include): Likewise.
5975 (cb_def_pragma): Likewise.
5976 (dump_macros_helper): Likewise.
5978 2000-08-20 Richard Henderson <rth@cygnus.com>
5980 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
5981 assigned before a loop.
5983 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
5984 (ashrsi3, lshrsi3): Likewise.
5986 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
5988 * c-lang.c: #include diagnostic.h
5989 (c_tree_printer): New function.
5990 (lang_init): Initialize lang_printer.
5992 * Makefile.in (c-lang.o): Depends on diagnostic.h
5994 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
5996 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
5998 * diagnostic.c (default_diagnostic_starter,
5999 default_diagnostic_finalizer): New functions.
6000 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6001 (pedwarn, pedwarn_with_file_and_line, error,
6002 error_with_file_and_line, fatal, warning,
6003 warning_with_file_and_line): Adjust call to report_diagnostic.
6004 (report_diagnostic): Rework.
6005 (set_diagnostic_context): New function.
6007 * diagnostic.h (struct diagnostic_context): New data structure.
6008 (diagnostic_message, diagnostic_argument_list,
6009 diagnostic_file_location, diagnostic_line_location,
6010 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6011 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6012 (set_diagnostic_context): Declare.
6013 (report_diagnostic): Change prototype.
6015 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6017 * fix-header.c (main): Initialize cpplib.
6019 2000-08-19 Michael Meissner <meissner@redhat.com>
6021 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6022 instructions in it before checking for indirect jumps.
6024 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6025 in a indirect jump as a potential for conditional execution.
6027 * d30v.h (d30v_init_expanders): Don't declare here.
6028 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6031 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6033 * cpp.texi: Add @section for assertions.
6035 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6037 * loop.c (scan_loop): Use CONST_CALL_P instead of
6038 checking for REG_LIBCALL / REG_RETVAL.
6040 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6042 * reload1.c (reload_as_needed): Accept dumpfile argument,
6043 pass it to emit_reload_insns.
6044 (emit_reload_insns): Add new dumpfile argument. If non-null
6045 then dump the reloads for each insn into the dumpfile.
6046 (reload): Pass dumpfile to reload_as_needed.
6048 * invoke.texi: Clean up linux-gnu vs linux comments.
6050 2000-08-19 Richard Henderson <rth@cygnus.com>
6052 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6053 (ia64_depz_field_mask): New.
6054 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6055 (PREDICATE_CODES): Update.
6056 * config/ia64/ia64.md: Update commentary.
6057 (depz_internal): New.
6058 (ashlsi3): Implement directly.
6059 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6060 (ashldi3): Use shladd.
6061 * config/ia64/ia64-protos.h: Update.
6063 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6065 * toplev.c (independent_decode_option): Always process -g.
6066 Remove third argument, now unused. Adjust caller to match.
6068 2000-08-18 Richard Henderson <rth@cygnus.com>
6070 * combine.c (make_compound_operation): Break after creating
6073 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6075 * cpplib.c (cpp_register_pragma_space): Just return if the
6076 namespace is already registered.
6078 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6080 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6081 constant amount. Do not generate ROTL instruction.
6083 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6085 * config/sh/elf.h: Do not include sh/sh.h.
6086 * config/sh/rtems.h: Likewise.
6087 * config/sh/rtemself.h: Do not include sh/elf.h.
6088 * configure.in: Get them included with `tm_file's.
6089 * configure: Rebuilt.
6091 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6092 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6094 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6096 * stor-layout.c (compute_record_type): Don't use mode of single
6097 field as mode of record if not integer mode of same type.
6099 * regmove.c (perhaps_ends_bb_p): New function.
6100 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6101 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6102 (fixup_match_1): Likewise.
6103 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6104 avoid signed/unsigned warnings.
6106 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6109 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6111 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6112 (_cpp_trigraph_map): Declaration moved from cpplex.c
6114 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6115 instead of 256. Use consistent test for designated initializers.
6116 (cpp_init): Initialize trigraph_map.
6117 (initialize_standard_includes, parse_option): Use memcmp
6120 * cpplex.c (init_trigraph_map): Remove.
6121 (trigraph_ok, trigraph_replace, lex_line): Refer to
6124 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6125 (do_unassert): Remove unused "next" local.
6127 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6129 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6131 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6134 2000-08-17 Richard Henderson <rth@cygnus.com>
6136 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6137 the first insn in a sequence.
6139 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6141 * alias.c (true_dependence, write_dependence_p): A read
6142 involving a label_ref or the constant pool doesn't create
6145 * rtl.h (unchanging): Improve documentation.
6147 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6149 * cse.c (insert_regs): Remove unused `regno'.
6151 2000-08-17 Neil Booth <NeilB@earthling.net>
6153 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6154 remove_dup_dirs. If qtail == brack, remove brack not
6156 (remove_dup_dir, remove_dup_dirs): New functions.
6158 2000-08-17 Neil Booth <NeilB@earthling.net>
6160 * cppinit.c (cpp_cleanup): Free include dir chains.
6161 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6162 (do_unassert): Free the assert with _cpp_free_definition.
6163 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6164 assertions. Make the node a T_VOID node.
6166 2000-08-17 Neil Booth <NeilB@earthling.net>
6168 * cppinit.c (path_include, append_include_chain):
6169 Remove 2nd parameter (struct cpp_pending *).
6170 (path_include, initialize_standard_includes, cpp_handle_option):
6171 Update callers appropriately.
6172 (cpp_handle_option): Use pend.
6174 2000-08-17 Neil Booth <NeilB@earthling.net>
6176 * cppinit.c (sort_options): Remove, put functionality in
6179 (initialize_builtins): Free memory.
6180 (cpp_start_read): Move init_IStable to cpp_init.
6182 * cpplib.h (cpp_init): New prototype.
6183 * cppmain.c (main): Call cpp_init.
6185 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6187 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6188 (rtx_unstable_p, rtx_varies_p): Process vectors.
6190 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6192 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6193 references to GLOBAL symbols. Use LOCAL where appropriate.
6195 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6197 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6198 use t-aix41 when host == target.
6200 2000-08-16 Richard Henderson <rth@cygnus.com>
6202 * reload.c (push_secondary_reload): Revert last change.
6203 If we use a reload_in/out pattern, make the when the same
6204 as the primary reload.
6205 (find_reloads): Likewise.
6207 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6209 * configure.in (libstdcxx-v3): Fix test.
6210 * configure: Regenerate.
6212 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6214 * calls.c (calls_function_1, expand_call): Only test
6215 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6216 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6218 2000-08-16 Richard Henderson <rth@cygnus.com>
6220 * combine.c (simplify_shift_const): Revert previous two
6221 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6222 before the main loop.
6224 2000-08-15 Richard Henderson <rth@cygnus.com>
6226 * combine.c (simplify_shift_const): Bound shift count when
6229 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6231 * calls.c (ECF_SP_DEPRESSED): New macro.
6232 (calls_function_1): Treat calling sp-depressed function as alloca.
6233 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6234 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6235 If sp-depressed, ensure block saves and restores SP.
6236 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6238 * function.c (keep_stack_depressed): New function.
6239 (thread_prologue_and_epilogue_insns): Call it.
6240 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6241 to print DECL_OFFSET_ALIGN.
6242 Print no-force-blk and transparent-union flags properly.
6243 * stmt.c (expand_goto_internal): Don't restore stack if last block
6244 and function returns with sp depressed.
6245 (fixup_gotos): Likewise.
6246 (save_stack_pointer): New function, from code in expand_decl.
6247 (expand_decl): Call new function.
6248 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6249 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6250 (save_stack_pointer): New declaration.
6252 * diagnostic.c (fatal_function): New variable.
6253 (set_fatal_function): New function.
6255 * diagnostic.h (set_fatal_function): New declaration.
6257 2000-08-15 William Cohen <wcohen@redhat.com>
6259 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6260 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6261 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6263 2000-08-15 Richard Henderson <rth@cygnus.com>
6265 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6267 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6269 * arm.c (arm_function_ok_for_sibcall): New function.
6270 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6271 * arm.md (call expanders): Don't check here for calls that can't
6274 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6276 * arm.md (splits generating cond_exec): Disable.
6278 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6280 * arm/linux-elf.h (text_section): Delete declaration.
6282 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6284 ARM support for unordered FP operations.
6285 * arm-protos.h (arm_comparison_operator): Declare.
6286 * arm.c (arm_comparison_operator): New function.
6287 (arm_select_cc_mode): Add unordered comparison codes.
6288 (get_arm_condition_code): Likewise.
6289 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6290 be done in one insn.
6291 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6292 * arm.md (all uses of comparison_operator): Replace with
6293 arm_comparison_operator.
6294 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6296 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6299 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6301 * gthr-posix.h: Conditionally include <sched.h>; include
6302 <config.h> from libobjc/.
6304 2000-08-14 Richard Henderson <rth@cygnus.com>
6306 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6309 2000-08-14 Richard Henderson <rth@cygnus.com>
6311 * configure.in (ia64-*): Set float_format for i386 long double.
6313 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6314 as we would for i386 XFmode.
6315 (PUT_REAL): Likewise.
6316 (endian, ereal_atof, real_value_truncate): Likewise.
6317 (ereal_isneg, toe64, etens, make_nan): Likewise.
6318 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6320 * config/ia64/ia64-protos.h: Update.
6321 * config/ia64/ia64.c (general_tfmode_operand): New.
6322 (destination_tfmode_operand): New.
6323 (tfreg_or_fp01_operand): New.
6324 (ia64_split_timode): New.
6325 (spill_tfmode_operand): New.
6326 (ia64_expand_prologue): Use TFmode not XFmode.
6327 (ia64_expand_epilogue): Likewise.
6328 (ia64_function_arg): Likewise.
6329 (ia64_function_arg_advance): Likewise.
6330 (ia64_return_in_memory): Likewise.
6331 (ia64_function_value): Likewise.
6332 (ia64_print_operand): Likewise.
6333 (ia64_register_move_cost): Set GR<->FR to 5.
6334 (ia64_secondary_reload_class): Get GR for TImode memory op.
6335 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6336 (ROUND_TYPE_ALIGN): Remove.
6337 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6338 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6339 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6340 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6341 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6342 (CLASS_MAX_NREGS): Likewise.
6343 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6344 (PREDICATE_CODES): Update.
6345 * config/ia64/ia64.md (movti): New.
6346 (movti_internal): Use a clobber for memory alternatives.
6347 (reload_inti, reload_outti): New.
6348 (movsfcc_astep): Predicate properly.
6349 (movdfcc_astep): Likewise.
6352 (extendsftf2, extenddftf2): New.
6353 (trunctfsf2, trunctfdf2): New.
6354 (floatditf2, fix_trunctfdi2): New.
6355 (floatunsditf2, fixuns_trunctfdi2): New.
6356 (addtf3, subtf3, multf3, abstf2): New.
6357 (negtf2, nabstf2, mintf3, maxtf3): New.
6358 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6360 (fr_spill): Use TFmode, not XFmode.
6361 (fr_restore): Likewise.
6362 * config/ia64/lib1funcs.asm (__divtf3): New.
6363 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6365 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6367 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6369 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6370 `U' integer constant suffix.
6372 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6375 * sparc/sol2.h (__enable_execute_stack): Prototype.
6377 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6379 * collect2.c: Remove use of AIX import file.
6381 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6383 * rs6000.c (print_operand, case 'E'): Add else.
6385 2000-08-14 Richard Henderson <rth@cygnus.com>
6387 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6388 (movdi_symbolic): New.
6390 2000-08-14 Jim Wilson <wilson@cygnus.com>
6392 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6393 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6394 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6397 2000-08-14 Richard Henderson <rth@cygnus.com>
6399 * expr.c (emit_group_load): Don't force constants into registers.
6400 Special case source already in the correct mode.
6402 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6404 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6405 * fixinc/inclhack.def: Likewise.
6406 * fixinc/mkfixinc.sh: Likewise.
6407 * configure: Regenerate.
6408 * fixinc/fixincl.x: Regenerate.
6409 * install.texi: Document equivalence of linux and linux-gnu.
6411 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6413 * cse.c (insert_regs): Also in REG case: When finding an invalid
6414 value, and we make a new quantity, make sure that it won't be
6415 mistaken by for a valid one by mention_regs.
6417 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6419 * h8300.md: Remove obsolete peepholes.
6421 2000-08-13 Kazu Hirata <kazu@hxi.com>
6423 * invoke.texi (H8/300 Options): Fix typos.
6424 * config/h8300.c: Fix formatting.
6425 * config/h8300.h: Fix comment typos.
6426 (OVERRIDE_OPTIONS): Fix formatting.
6428 * function.c: Fix formatting.
6430 * cse.c: Fix formatting.
6432 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6434 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6435 (attempt_auto_inc): Suppress parentheses warning.
6436 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6437 * loop.c (load_mems): Remove `u' suffix in two places.
6438 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6440 * config/rs6000/rs6000.h: Likewise.
6441 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6442 __eabi dummy routine.
6443 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6446 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6447 not put stuff in .sdata unnecessarily.
6448 (rs6000_unique_section): New function.
6449 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6450 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6452 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6453 arrays in C99. Don't try to look at DECL_REGISTER of a
6454 COMPONENT_REF. Don't complain twice about the same error.
6456 * fixinc/inclhack.def (aix_pthread): New fix.
6457 (aix_sysmachine): New fix.
6458 * fixinc/fixincl.x: Regenerate.
6460 * expr.c (expand_expr): Call convert_modes when turning a large
6461 multiply into a small one.
6463 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6465 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6466 the tree structure an exponent rather than an explicit alignment
6467 so it doesn't overflow.
6468 (SET_DECL_OFFSET_ALIGN): New macro.
6469 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6470 rather than DECL_OFFSET_ALIGN.
6471 (place_field): Likewise.
6472 * expmed.c (store_bit_field): Abort on align==0 to avoid
6473 antisocial machine behaviour.
6475 2000-08-12 Richard Henderson <rth@cygnus.com>
6477 * sibcall.c (uses_addressof): Accept both addressof and
6478 current_function_internal_arg_pointer inside a mem.
6479 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
6480 if current_function_uses_addressof.
6481 * stmt.c (expand_return): Kill tail recursion and HAVE_return
6484 2000-08-11 Richard Henderson <rth@cygnus.com>
6486 * config/ia64/ia64.md (addsi3): Remove expander.
6487 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
6488 (*addsi3_shladd): New.
6490 2000-08-11 Richard Henderson <rth@cygnus.com>
6492 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
6493 (do_restore): Likewise.
6494 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
6495 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
6496 (rtx_needs_barrier): Track actual bit manipulation for
6497 ar.unat moves, gr_spill, and gr_restore.
6498 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
6499 (process_set): Don't handle varargs spills.
6500 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
6501 .mem.offset here instead of in process_set.
6502 (gr_restore): Likewise.
6504 2000-08-11 Richard Henderson <rth@cygnus.com>
6506 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
6508 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
6510 * gcc.texi (The Configuration File): Document
6511 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
6512 UPDATE_PATH_HOST_CANONICALIZATION.
6514 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6516 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
6517 unprototyped function pointer casts on integer constants.
6519 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
6521 * fixproto: Recognize DOS paths with drive letters as absolute paths.
6523 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
6525 * extend.texi (Volatiles): Fix typos.
6527 2000-08-11 Kazu Hirata <kazu@hxi.com>
6529 * flow.c: Fix formatting.
6531 2000-08-11 Richard Henderson <rth@cygnus.com>
6533 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
6534 pattern, always allocate a tertiary scratch register.
6536 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
6537 (reload_inhi): Likewise.
6539 2000-08-11 Richard Henderson <rth@cygnus.com>
6541 * function.c (put_reg_into_stack): Allow type to be NULL.
6542 (schedule_fixup_var_refs): Likewise.
6543 (gen_mem_addressof): Allow decl to be NULL.
6544 (put_addressof_into_stack): Likewise.
6546 * flow.c (merge_blocks_nomove): Be more careful about
6547 locating the beginning of block A.
6549 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
6551 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6556 * config.in: Reverted the check for <sched.h>.
6558 2000-08-10 Chris Demetriou <cgd@sibyte.com>
6560 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
6561 macros define the name of CTOR and DTOR sections.
6562 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6563 DTOR_LIST_END): Change to use attributes to specify
6565 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
6566 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6567 DTOR_LIST_END): Same as in mips/elf.h.
6569 2000-08-10 Drew Moseley <dmoseley@redhat.com>
6571 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
6572 disabling just crt0.o.
6574 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
6576 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
6577 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
6578 (EXTRA_SPECS): Add them.
6579 * arm/lib1funcs.asm: Support builds for interworking.
6580 Use macros to eliminate duplicated pieces of code.
6582 2000-08-10 Kazu Hirata <kazu@hxi.com>
6584 * h8300.c (expand_a_rotate): New.
6585 (emit_a_rotate): Likewise.
6586 (h8300_adjust_insn_length): Add support for the rotate insns.
6587 * h8300.md (rotlqi3): New.
6588 (*rotlqi3_1): Likewise.
6589 (rotlhi3): Likewise.
6590 (*rotlhi3_1): Likewise.
6591 (rotlhi3): Likewise.
6592 (*rotlhi3_1): Likewise.
6593 * h8300-proto.h: Add prototypes for expand_a_rotate and
6596 * h8300.c: Fix comment typos.
6597 (dosize): Declare the variable amount as unsigned.
6598 (get_shift_alg): Fix a comparison between signed and unsigned.
6599 (emit_a_shift): Likewise.
6600 (h8300_adjust_insn_length): Simplify the code.
6602 * c-decl.c: Fix formatting.
6604 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6606 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
6607 warning about non-traditional numeric constant suffixes.
6609 * cppexp.c (parse_number): Likewise.
6611 * invoke.texi: (-Wtraditional): Document new behavior.
6613 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6615 * gthr-posix.h: Include auto-host.h. Conditionally include
6617 * configure.in: Check for the <sched.h> header file.
6618 * config.in: Added define for HAVE_SCHED_H.
6620 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6622 * c-typeck.c (process_init_element): For -Wtraditional, warn about
6623 initialization of unions.
6625 * invoke.texi (-Wtraditional): Document new behavior.
6627 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
6629 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
6630 instead of extra_c_flags.
6631 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
6632 * configure: Regenerate.
6633 * config.in: Regenerate.
6635 * cpperror.c (cpp_type2name): New function.
6636 * cpplex.c (lex_line): If we issued an error for an invalid
6637 preprocessing directive, discard that logical line.
6638 * cpplib.c (do_line): Call a hook function if the current file
6639 is renamed by #line.
6640 (do_ident): Pass the contents of the string, not the entire
6641 token, to the callback function.
6642 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
6643 (cb.rename_file): New hook function.
6644 (cb.ident): Adjust prototype.
6645 (cpp_type2name): Prototype.
6646 * cppmacro.c (dump_macro_args): Correct precedence lossage.
6648 * cppmain.c (cb_ident): Update for changed interface.
6649 (cb_rename_file): New function.
6650 (main): Set rename callback.
6652 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
6654 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
6655 multi-word registers.
6657 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
6659 * c-common.c (combine_strings, check_format_info): Refer to ISO C
6660 or ISO C89 instead of ANSI C.
6661 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
6662 build_enumerator, do_case): Likewise.
6663 * c-lex.c (parse_float, yylex): Likewise.
6664 * c-parse.in: Likewise.
6665 * c-typeck.c (common_type, build_array_ref, build_binary_op,
6666 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
6667 build_c_cast, convert_for_assignment, set_init_index,
6668 set_init_label, c_expand_start_case): Likewise.
6669 * toplev.c (documented_lang_options, display_help): Likewise.
6671 2000-08-08 Kazu Hirata <kazu@hxi.com>
6673 * h8300.c: Fix formatting.
6674 * h8300.h: Likewise.
6675 * h8300.md: Likewise.
6676 (movsi_h8300hs): Fix formatting of the resulting assembly code.
6678 * reload1.c: Fix formatting.
6680 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
6682 * alpha/alpha.c (alpha_emit_xfloating_libcall):
6683 Use GEN_CALL_VALUE define.
6684 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
6685 * clipper/clipper.md (untyped_call): Likewise.
6686 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
6687 * fx80/fx80.md (untyped_call): Likewise.
6688 * mips/mips.md (untyped_call): Likewise.
6689 * ns32k/ns32k.md (untyped_call): Likewise.
6690 * pa/pa.md (untyped_call): Likewise.
6691 * romp/romp.md (untyped_call): Likewise.
6692 * sparc/sparc.md (untyped_call): Likewise.
6694 2000-08-08 Jason Eckhardt <jle@cygnus.com>
6696 * config/i860/i860.c (singlemove_string): Do not generate assembler
6697 pseudo instructions that must be expanded (that is, with signed
6698 constants larger than 16 bits).
6700 2000-08-08 Richard Henderson <rth@cygnus.com>
6702 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
6703 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
6704 (init_propagate_block_info): Don't kill memory stores at -O0.
6705 (mark_set_1, mark_used_regs): Likewise.
6707 2000-08-08 David Edelsohn <edelsohn@gnu.org>
6709 * rs6000.c (optimization_options): Decorate 'level' as
6711 (mask64_operand): Remove sign-extend thinko.
6712 (rldic_operand): New function.
6713 (load_multiple_operation): regno's are unsigned ints.
6714 (store_multiple_operation): Likewise.
6715 (lmw_operation): Likewise.
6716 (stmw_operation): Likewise.
6717 (includes_lshift_p): shift_mask is unsigned int.
6718 (includes_lshift64_p): New function.
6719 (addrs_ok_for_quad_peep): unsigned int reg1.
6720 (print_operand): Consistently add "else" after
6721 output_operand_lossage().
6722 (print_operand, case 'b'): Fold in case 'W'.
6723 (print_operand, case 'W'): Print rldic MB value.
6724 (output_epilogue): Update Objective-C language string.
6725 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
6726 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
6727 * rs6000.md (ashldi3): Add rldic instruction.
6728 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
6729 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
6732 2000-08-08 Richard Henderson <rth@cygnus.com>
6734 * config/ia64/ia64-protos.h: Remove duplicates. Update
6735 for massive code rearrangements.
6736 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
6737 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
6738 (ia64_local_regs, ia64_need_regstk): Remove.
6739 (ar_ccv_reg_operand): New.
6740 (ia64_gp_save_reg): New.
6741 (struct ia64_frame_info): Combine most of the size elements;
6742 add new gr save elements.
6743 (find_gr_spill): New.
6744 (next_scratch_gr_reg): New.
6745 (mark_reg_gr_used_mask): New.
6746 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
6747 to GR backing store regs when possible.
6748 (ia64_initial_elimination_offset): New.
6749 (ia64_rap_fp_offset): Remove.
6750 (save_restore_insns): Remove.
6751 (setup_spill_pointers): New.
6752 (finish_spill_pointers): New.
6753 (spill_restore_mem): New.
6754 (do_spill, do_restore): New.
6755 (ia64_expand_prologue): Rewrite to use them.
6756 (ia64_expand_epilogue): Likewise.
6757 (ia64_direct_return): Update for current_frame_info changes.
6758 (ia64_function_prologue): Simplify .prologue emission. Emit
6760 (ia64_setup_incoming_varargs): Don't ever emit rtl.
6761 (ia64_dbx_register_number): New.
6762 (ia64_initialize_trampoline): New.
6763 (ia64_secondary_reload_class): Request GR_REGS for integer
6764 arithmetic destined for FR_REGS.
6765 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
6766 (ia64_mark_machine_status): Mark ia64_gp_save.
6767 (rws_access_regno): Rename from rws_access_reg; don't treat
6768 predicates specially.
6769 (rws_access_reg): New. Update all callers.
6770 (rtx_needs_barrier): Remove dead unspecs.
6771 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
6772 (ia64_encode_section_info): Silence signed/unsigned warnings.
6773 (spill_offset, sp_offset, spill_offset_emitted): Remove.
6774 (tmp_reg, tmp_saved): Remove.
6775 (process_set): Rewrite to expect complicated bits via
6776 REG_FRAME_RELATED_EXPR.
6777 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
6778 in the use of ar.ccv; never set RTX_UNCHANGING_P.
6779 (ia64_expand_op_and_fetch): Likewise.
6780 (ia64_expand_compare_and_swap): Likewise.
6781 (ia64_expand_builtin): Likewise.
6782 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
6783 (FIRST_PSEUDO_REGISTER): Update.
6784 (AR_M_REGNO_P): Update.
6785 (FIXED_REGS): Don't mark three local registers as used.
6786 (EXTRA_CC_MODES): New.
6787 (SELECT_CC_MODE): New.
6788 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
6789 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
6790 (FRAME_GROWS_DOWNWARD): Unset.
6791 (STARTING_FRAME_OFFSET): Zero.
6792 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
6793 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
6794 (HARD_FRAME_POINTER_REGNUM): New.
6795 (CAN_DEBUG_WITHOUT_FP): Define.
6796 (TRAMPOLINE_TEMPLATE): Remove.
6797 (TRAMPOLINE_SIZE): Lower to 32.
6798 (TRAMPOLINE_ALIGNMENT): Lower to 64.
6799 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
6800 (PREDICATE_CODES): Update.
6801 (struct machine_function): Add ia64_gp_save.
6802 * config/ia64/ia64.md: Purge unused unspecs.
6803 (movsi patterns): Allow moves to/from AR_M_REGS.
6804 (movdi patterns): Allow moves to/from p0.
6805 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
6806 (gr_spill, gr_restore): Indicate ar.unat read/written.
6807 (nonlocal_goto): Don't pass old frame_pointer.
6808 (nonlocal_goto_receiver): Remove.
6809 (exception_receiver): New.
6810 (builtin_setjmp_setup): New.
6811 (builtin_setjmp_receiver): New.
6812 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
6813 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
6814 (__ia64_restore_stack_nonlocal): Likewise.
6815 (__ia64_trampoline): New.
6816 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
6818 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
6820 2000-08-08 Richard Henderson <rth@cygnus.com>
6822 * frame.h (ia64_frame_state): Add my_psp.
6823 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
6824 (__throw): Pass it in. Don't clobber r7.
6825 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
6826 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
6827 and nothing to do with sp.
6828 (normalize_reg_loc): Use frame->my_psp.
6829 (frame_translate): Handle frame-pointer-less functions. Set
6830 spill_base correctly, in absence of being told.
6831 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
6832 (__ia64_backtrace_helper): New sp argument. Use
6833 builtin_return_address instead of label addresses.
6834 (print_record) [mem_stack_v]: No size member.
6836 2000-08-08 Richard Henderson <rth@cygnus.com>
6838 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
6840 2000-08-08 Richard Henderson <rth@cygnus.com>
6842 * tm.texi (LOCAL_REGNO): Document.
6843 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
6844 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
6845 * reload1.c (reload): Likewise when considering nonlocal labels.
6847 * config/ia64/ia64.h (LOCAL_REGNO): New.
6848 * config/sparc/sparc.h (LOCAL_REGNO): New.
6850 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
6852 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
6854 2000-08-07 Nick Clifton <nickc@redhat.com>
6856 * config/mips/mips.c: Fix compile time warning messages.
6857 * config/mips/mips-protos.h: Add prototype for equality_op.
6859 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
6861 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
6863 * mn10300.md: Use nonimmediate_operand instead of general_operand
6866 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
6868 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
6870 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
6871 * sh.c (expand_block_move): Break long lines.
6872 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
6873 * sh.md (mulsi3): Likewise.
6874 (movdi): Adjust spacing.
6876 2000-08-07 Richard Henderson <rth@cygnus.com>
6878 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
6879 * expr.c (emit_group_store): Don't set it.
6881 2000-08-07 Kazu Hirata <kazu@hxi.com>
6883 * invoke.texi (Options for Debugging Your Program or GCC): Remove
6884 duplicate entries for 'w' and 'z'.
6886 * flow.c: Fix a comment typo.
6888 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6890 * c-parse.in: Changed the language string for Objective-C to "GNU
6893 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6895 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
6896 to improve the Posix thread support for Objective-C.
6898 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
6900 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
6901 CTI_UNSIGNED_PTRDIFF_TYPE.
6902 (signed_size_type_node): Define.
6903 (unsigned_ptrdiff_type_node): Define.
6904 * c-decl.c (init_decl_processing): Create the
6905 signed_size_type_node and unsigned_ptrdiff_type_node types.
6906 * c-common.c (T_SC): Define.
6909 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
6910 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
6912 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
6913 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
6914 flags for %c, %s and %[.
6915 (check_format_info): Only allow leniency for signedness of targets
6916 of character pointers (when pedantic) for formats flagged with
6917 "c", so for strings but not for %hh formats. When pedantic, don't
6918 allow character pointers to substitute for void pointers if a
6919 second level of indirection is present.
6921 2000-08-06 Kazu Hirata <kazu@hxi.com>
6923 * invoke.texi (Options for Debugging Your Program or GCC): Update
6924 the names of dump files.
6926 * h8300.c (dosize): Rearrange code for conciseness.
6927 (split_adds_subs): Likewise.
6929 * loop.c: Fix formatting.
6931 * dwarf2out.c: Fix formatting.
6933 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
6935 * expr.c: Fix formatting.
6937 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6939 * rs6000.c (rs6000_maybe_dead): Prototype.
6941 2000-08-06 Richard Henderson <rth@cygnus.com>
6943 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
6944 HAVE_nonlocal_goto as well.
6945 * config/i960/i960.md (nonlocal_goto): Don't do it here.
6946 * config/pj/pj.md (nonlocal_goto): Likewise.
6948 2000-08-07 Michael Hayes <mhayes@cygnus.com>
6950 * loop.c (try_swap_copy_prop): New function.
6951 (load_mems): Rename copies to load_copies and add new regset
6952 store_copies. Check for sets of shadow registers and mark
6953 in store_copies. Call try_swap_copy_prop for registers
6954 marked in store_copies.
6956 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6958 * objc/objc-act.c: New command line option -fconstant-string-class
6959 to allow specifying a user defined constant string class,
6960 different from NXConstantString.
6962 * toplev.c: Moved the Objective-C specific options to
6963 objc/lang-options.h.
6965 * objc/lang-options.h: Moved the Objective-C specific options from
6966 toplev.c. Added -fconstant-string-class.
6968 2000-08-05 Chris Demetriou <cgd@sibyte.com>
6970 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6971 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
6972 __CTOR_LIST__ from func_ptr array to just func_ptr, to
6973 avoid extra alignment imposed on arrays.
6974 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6975 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
6977 * mips.h: Clean up comments and spacing near MASKs.
6978 (TARGET_UNIX_ASM): Delete.
6979 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
6980 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
6983 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
6985 * c-common.c (print_char_table): Add entries for the X/Open '
6986 format flag (print decimals with locale's thousands grouping
6987 character). Make %C expect wint_t.
6988 (check_format_info): If pedantic, warn when the %n$ operand
6989 number form is used. Allow for the ' flag; warn about it if
6992 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
6994 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
6995 type is a float mode, cfun->decl's return type is not, and
6996 TARGET_FLOAT_RETURNS_IN_80387.
6998 2000-08-04 Andreas Schwab <schwab@suse.de>
7000 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7001 token list, which are always `#' and `pragma'.
7003 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7005 * tree.c (tree_expr_nonnegative_p): Move to...
7006 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7007 (rtl_expr_nonnegative_p): New.
7008 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7010 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7011 CONST_DOUBLE_CHAIN: Move to...
7012 * rtl.h: ...here. Use XCINT/XCEXP.
7014 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7015 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7016 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7019 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7021 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7023 * config/c4x/c4x.md (return_indirect_internal): New.
7024 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7026 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7028 * c-common.c (time_char_table): Mark up formats added in C99 and
7029 make other corrections. %D and %g were added in C99. %Og is an
7030 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7031 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7032 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7033 %h was added in C99. %C was added in C99. %OY and %OC are
7034 extensions. Add the C99 format %F.
7035 (check_format_info): If pedantic and not in C99 mode, warn for C99
7038 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7040 * function.c (schedule_fixup_var_refs): New function, broken out
7041 of put_reg_into_stack.
7042 (put_reg_into_stack): Use it.
7043 (put_var_into_stack): In CONCAT case, fixup up references for
7044 components only after fixing up references to the whole concat.
7046 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7048 * alias.c (mark_constant_function): Use INSN_P.
7049 (init_alias_analysis): Likewise.
7050 * combine.c (combine_instructions): Use INSN_P.
7051 (can_combine_p): Likewise.
7052 (try_combine): Likewise.
7053 (distribute_notes): Likewise.
7054 (distribute_links): Likewise.
7055 * cse.c (cse_around_loop): Use INSN_P.
7056 (invalidate_skipped_block): Likewise.
7057 (cse_set_around_loop): Likewise.
7058 (cse_end_of_basic_block): Likewise.
7059 (delete_trivially_dead_insns): Likewise.
7060 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7061 (unshare_all_rtl_1): Likewise.
7062 (next_cc0_user): Likewise.
7063 (try_split make_insn_raw): Likewise.
7064 (remove_unnecessary_notes): Likewise.
7065 * final.c (shorten_branches): Use INSN_P.
7066 (leaf_renumber_regs): Likewise.
7067 (leaf_renumber_regs_insn): Likewise.
7068 * flow.c (find_label_refs): Use INSN_P.
7069 (verify_wide_reg): Likewise.
7070 (notice_stack_pointer_modification): Likewise.
7071 (count_or_remove_death_notes): Likewise.
7072 (verify_flow_info): Likewise.
7073 (clear_log_links): Likewise.
7074 * function.c (fixup_var_refs_insns): Use INSN_P.
7075 (compute_insns_for_mem): Likewise.
7076 * gcse.c (alloc_gcse_mem): Use INSN_P.
7077 (compute_sets): Likewise.
7078 (compute_hash_table): Likewise.
7079 (classic_gcse): Likewise.
7081 (insert_insn_end_bb): Likewise.
7082 (delete_null_pointer_checks_1): Likewise.
7083 * global.c (expand_preferences): Use INSN_P.
7084 (build_insn_chain): Likewise.
7085 * graph.c (node_data): Use INSN_P.
7086 * haifa-sched.c (priority): Use INSN_P.
7087 (rm_line_notes): Likewise.
7088 (rm_other_notes): Likewise.
7089 (find_insn_reg_weight): Likewise.
7090 (init_target_units): Likewise.
7091 (schedule_block): Likewise.
7092 (compute_block_forward_dependences): Likewise.
7093 (debug_dependencies): Likewise.
7094 (set_priorities): Likewise.
7095 * integrate.c (function_cannot_inline_p): Use INSN_P.
7096 (save_parm_insns): Likewise.
7097 (copy_insn_list): Likewise.
7098 * jump.c (mark_all_labels): Use INSN_P.
7099 (never_reached_warning): Likewise.
7100 * lcm.c (optimize_mode_switching): Use INSN_P.
7101 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7102 (memref_used_between_p): Likewise.
7103 (update_equiv_regs): Likewise.
7104 (block_alloc): Likewise.
7105 (no_conflict_p): Likewise.
7106 * loop.c (scan_loop): Use INSN_P.
7107 (find_and_verify_loops): Likewise.
7108 (count_loop_regs_set): Likewise.
7109 (loop_reg_used_before_p): Likewise.
7110 (strength_reduce): Likewise.
7111 (recombine_givs): Likewise.
7112 (check_dbra_loop): Likewise.
7113 (load_mems): Likewise.
7114 (try_copy_prop): Likewise.
7115 * print-rtl.c (print_rtx): Use INSN_P.
7116 * recog.c (find_single_use): Use INSN_P.
7117 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7118 (next_flags_user): Likewise.
7119 (swap_rtx_condition): Likewise.
7120 * regmove.c (mark_flags_life_zones): Use INSN_P.
7121 (optimize_reg_copy_1): Likewise.
7122 (optimize_reg_copy_2): Likewise.
7123 (optimize_reg_copy_3): Likewise.
7124 (reg_is_remote_constant_p): Likewise.
7125 (fixup_match_2): Likewise.
7126 (regmove_optimize): Likewise.
7127 (fixup_match_1): Likewise.
7128 * regrename.c (build_def_use): Use INSN_P.
7129 (replace_reg_in_block): Likewise.
7130 (consider_use): Likewise.
7131 * reload.c (find_equiv_reg): Use INSN_P.
7132 * reload1.c (reload): Use INSN_P.
7133 (maybe_fix_stack_asms): Likewise.
7134 (calculate_needs_all_insns): Likewise.
7135 (reload_as_needed): Likewise.
7136 (emit_output_reload_insns): Likewise.
7137 (delete_address_reloads_1): Likewise.
7138 (reload_cse_regs_1): Likewise.
7139 (reload_combine): Likewise.
7140 (reload_cse_move2add): Likewise.
7141 * reorg.c (redundant_insn): Use INSN_P.
7142 (dbr_schedule): Likewise.
7143 * resource.c (find_dead_or_set_registers): Use INSN_P.
7144 (mark_target_live_regs): Likewise.
7145 * rtlanal.c (reg_used_between_p): Use INSN_P.
7146 (reg_referenced_between_p): Likewise.
7147 (reg_set_between_p): Likewise.
7148 (reg_set_p): Likewise.
7149 (single_set): Likewise.
7150 (multiple_sets): Likewise.
7151 (find_last_value): Likewise.
7152 (reg_set_last): Likewise.
7153 (find_reg_note): Likewise.
7154 (find_regno_note): Likewise.
7155 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7156 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7157 * ssa.c (find_evaluations): Use INSN_P.
7158 (rename_block): Likewise.
7159 (rename_equivalent_regs): Likewise.
7160 * unroll.c (loop_find_equiv_value): Use INSN_P.
7161 (set_dominates_use): Likewise.
7162 * varasm.c (mark_constant_pool): Use INSN_P.
7163 (mark_constants): Likewise.
7164 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7165 (alphaev4_next_group): Likewise.
7166 (alphaev5_next_group): Likewise.
7167 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7168 (c4x_rptb_rpts_p): Likewise.
7169 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7170 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7171 (rs6000_adjust_priority): Likewise.
7172 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7173 (machine_dependent_reorg): Likewise.
7174 (split_branches): Likewise.
7175 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7177 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7179 * combine.c (recog_for_combine): Remove the old notes
7180 prior to attempting to recognize the new pattern.
7181 (distribute_notes): Ignore REG_NONNEG notes.
7183 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7185 * varasm.c (output_constructor): Add .align 0 for packed vars.
7187 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7189 * configure.in: Use default thread_file even when enable_threads is
7190 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7191 * configure: Rebuilt.
7193 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7195 2000-08-04 Donn Terry (donnte@microsoft.com)
7197 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7199 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7201 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7202 Delete code that conditionally modifies 'version'.
7203 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7204 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7205 * gcc.c (main): Use it.
7206 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7207 * prefix.c (update_path): Use it.
7208 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7209 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7210 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7212 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7213 (SUBTARGET_SWITCHES): Adjust.
7214 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7216 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7218 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7220 * c-common.h (flag_isoc94): Declare.
7221 * c-decl.c (flag_isoc94): Define.
7222 (c_decode_option): Set flag_isoc94 as appropriate.
7223 * c-common.c (T_PD, T_IM, T_UIM): Define.
7224 (format_char_info): Add tlen and jlen.
7225 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7227 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7229 (time_char_table): Add NULL entries for %t and %j.
7230 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7231 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7232 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7233 precision. Allow precision argument to be unsigned int. If
7234 pedantic, warn for %p passed an argument not a pointer to possibly
7235 qualified void or a possibly qualified character type, and for
7236 pointer targets of the wrong sign, except for character pointers.
7238 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7240 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7241 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7242 (wint_type_node): Define.
7243 * c-decl.c (WINT_TYPE): Define.
7244 (init_decl_processing): Create the wint_type_node type.
7245 * c-common.c (T_WI): Define.
7246 (print_char_table): Use T_WI for %lc format.
7248 2000-08-04 Bruce Korb <bkorb@gnu.org>
7250 * fixinc/: Verified that the MSDOS patch does not break
7251 the UNIX functionality and applied the next three patches
7254 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7256 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7257 output file with the temporary one by appending ".X" to generate
7258 the temporary fuile's name. If the output file already has an
7259 extension, replace it with ".X".
7261 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7262 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7263 reallocate the command buffer while copying the command-line
7264 argument. Redirect the output directly to the temporary file,
7265 instead of going through another temporary file.
7266 (process): Close the temporary file before unlinking it.
7267 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7268 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7269 (run_compiles): Pass p_fixd argument to machine_matches, as it
7272 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7273 environment, assume there are no symlinks in the include
7274 directory. When cleaning up the DONE files, look for them
7275 case-insensitively. Don't try to remove symlinks if they aren't
7278 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7279 all callers changed. Declare pz "const char *", to avoid compiler
7282 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7283 Change prototype of make_raw_shell_str.
7285 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7287 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7288 (initialize) [__MSDOS__]: Use tempnam.
7289 (initialize): Don't use SIGPIPE if it is not defined.
7291 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7294 2000-07-25 Bruce Korb <bkorb@gnu.org>
7296 * fixinc/fix*.[ch]: substantially reworked to make it possible
7297 to run this program without using fork(2) or pipe(2) (i.e. in
7300 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7302 * cppdefault.h (WINT_TYPE): Define.
7303 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7304 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7305 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7307 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7309 * (mips_legitimate_address_p): Don't allow register+offset
7310 if the offset is large and negative, and we are compiling
7311 for 64 bit registers.
7313 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7315 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7316 insn_code_number + 1.
7318 2000-08-04 Kazu Hirata <kazu@hxi.com>
7320 * h8300.c (function_prologue): Rearrange code for conciseness.
7321 (function_epilogue): Likewise.
7322 * h8300.h (OK_FOR_U): Fix formatting.
7324 * cse.c: Fix a comment typo. Fix formatting.
7326 2000-08-03 Richard Henderson <rth@cygnus.com>
7328 * config/i386/i386.md (return_indirect_internal): New.
7329 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7331 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7333 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7335 (lex_line): Glue @ onto the beginning of identifiers and
7336 string constants, in Objective-C mode.
7337 (output_token, spell_token): Handle CPP_OSTRING.
7338 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7339 beginning of a NAME or a STRING, in objc mode.
7341 * cpplib.c (get_define_node): Do not permit identifiers that
7342 begin with @ to be #defined.
7343 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7344 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7346 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7347 * c-tree.h (build_objc_string): Delete prototype.
7348 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7349 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7351 * c-parse.in, objc/objc-act.c: Update commentary.
7353 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7355 * extend.texi: Fix typo in last change.
7357 * extend.texi: Add commentary on statement-expressions and their
7358 interactions with C++.
7360 2000-08-03 Nick Clifton <nickc@cygnus.com>
7362 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7363 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7365 2000-08-03 Anthony Green <green@cygnus.com>
7367 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7368 (add_bound_info): Check for java language.
7369 (is_java): New function.
7370 * dwarfout.c (output_compile_unit_die): Ditto.
7371 * dwarf.h (dwarf_source_language): Add java source language type.
7372 * dwarf2.h (dwarf_source_language): Ditto.
7374 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7376 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7379 * i386.c (ix86_expand_branch): Mode of comparison in
7380 IF_THEN_ELSE is VOIDmode.
7382 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7384 * gengenrtl.c, rtl.c: Avoid #elif.
7386 2000-08-03 Michael Poole <poole@troilus.org>
7388 * tm.texi (Register Classes): Clarify order of sub-initializers
7389 in REG_CLASS_CONTENTS.
7391 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7393 From SAITOH Masanobu:
7394 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7396 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7398 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7399 is not supported by tradcpp and isn't actually needed for cygwin.
7401 2000-08-03 Kazu Hirata <kazu@hxi.com>
7403 * h8300.c: Fix a comment typo.
7404 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7406 * jump.c: Fix formatting.
7408 * toplev.c: Fix formatting.
7410 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7412 * flow.c (find_auto_inc): Verify that we've got a REG before
7413 peeking at its regno. Fail, don't abort if we can't find
7414 the increment of the desired register.
7416 * pa.md (shadd height reduction patterns/splitters): Remove.
7418 2000-08-02 Jim Wilson <wilson@cygnus.com>
7420 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7421 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7423 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7425 * dce.c: Remove all uses of assert.
7426 * dwarf2out.c: Likewise.
7427 * dwarfout.c: Likewise.
7430 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7432 * gcc.h (lang_specific_driver): Constify second argument.
7433 * gcc.c (translate_options, process_command, main): Likewise.
7434 Constify variables to match. Cast second argument to
7437 * cppspec.c, gccspec.c: Adjust type of second argument to
7438 lang_specific_driver, and update code as necessary.
7440 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7442 * loop.c (scan_loop): Ensure update_end label does not
7443 go away until reg_scan_update is run.
7445 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7447 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7448 * c-tree.h: ... not here.
7449 * errors.h: Prototype fancy_abort.
7451 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7452 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7453 * regrename.c (regrename_optimize): Make control flow explicit.
7454 (replace_reg_in_block): Initialize reg_use to 0.
7456 * i386.c (legitimate_address_p): Rename error label to
7457 report_error to avoid namespace clash.
7459 2000-08-02 Kazu Hirata <kazu@hxi.com>
7461 * fold-const.c: Fix formatting.
7463 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7465 * i386.c (legitimate_address_p): Accept other bases than
7466 pic_offset_table_rtx for GOTOFF constructs.
7468 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7470 * i386.md (shift to lea splitter): Use const_int_operand.
7472 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7474 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
7475 cppspec.c: Do not use 'legal' or 'illegal' in error messages
7478 * cppmain.c (cb_define, cb_undef): Don't generate any output
7479 if not done_initializing.
7480 * cpplex.c (maybe_paste_with_next): When the token after a ##
7481 is an omitted rest argument, only delete the token before it
7482 if that token is a comma. Do not warn about bogus token
7483 pastes for , ## rest_arg.
7486 * cpp.1: Regenerate.
7488 2000-08-02 Fred Fish <fnf@be.com>
7490 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
7491 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
7494 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
7495 Be directories to search path.
7497 Remove support for __declspec(dllimport) and __declspec(dllexport).
7498 This is leftover cruft from the earlier BeOS gcc port when BeOS
7499 used Microsoft's PE object file format.
7500 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
7501 * config/i386/t-beos (winnt.o): Remove Makefile frag.
7502 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
7503 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
7504 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7505 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
7506 (REDO_SECTION_INFO_P): Remove.
7507 (ASM_EXPORT_DECL): Remove.
7508 (ASM_DECLARE_FUNCTION_NAME): Remove.
7509 (ASM_DECLARE_OBJECT_NAME): Remove.
7510 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
7511 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
7512 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
7513 (STRIP_NAME_ENCODING): Remove.
7515 Remove support for obsolete version of BeOS that is no longer
7517 * configure.in (i*86-*-beospe*): Remove.
7518 * config/i386/beos-pe.h: Remove.
7520 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
7521 Mark Mitchell <mark@codesourcery.com>
7523 * Makefile.in (OBJS): Added dce.o.
7524 (ssa.o): Updated target to include ssa.h.
7526 (toplev.o): Likewise.
7527 (dce.o): Created target.
7528 * basic-block.h: Added comments.
7529 (INVALID_BLOCK): Added definition.
7530 (connect_infinite_loops_to_exit): Added declaration.
7531 Moved SSA declarations to ssa.h.
7532 * flow.c: Added inclusion of ssa.h.
7533 (struct depth_first_search_dsS, depth_first_search_ds):
7535 (compute_immediate_postdominators): Added definition.
7536 (connect_infinite_loops_to_exit): Likewise.
7537 (flow_dfs_compute_reverse_init): Likewise.
7538 (flow_dfs_compute_reverse_add_bb): Likewise.
7539 (flow_dfs_compute_reverse_execute): Likewise.
7540 (flow_dfs_compute_reverse_finish): Likewise.
7541 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
7542 (LABEL_P): Added definition.
7545 (BARRIER_P): Likewise.
7546 (JUMP_TABLE_DATA_P): Likewise.
7547 (INSN_DEAD_CODE_P): Likewise.
7548 * ssa.c: Replaced inclusions with ssa.h inclusion.
7549 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
7550 (rename_registers): Removed unnecessary variables.
7551 * ssa.h: Created by moving declarations from ssa.c and
7553 * timevar.def: Defined TV_DEAD_CODE_ELIM.
7554 * toplev.c: Added ssa.h inclusion.
7555 (dump_file_index): Added DFI_dce.
7556 (dump_file): Added "dce" entry.
7558 (f_options): Added dce entry.
7559 * invoke.texi: Document -fdce. Emphasize experimental status of
7563 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
7565 * cpperror.c (v_message): Split into _cpp_begin_message and
7566 v_message macro. All callers updated.
7567 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
7570 * cppfiles.c (cpp_syshdr_flags): New function.
7571 (read_include_file): Don't call cpp_output_tokens. Call
7573 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
7574 (cpp_reader_init): Don't initialize token_buffer. Call
7575 _cpp_init_internal_pragmas.
7576 (cpp_cleanup): Don't clear token_buffer.
7577 (cpp_start_read): Don't worry about output from -D processing.
7578 Don't call cpp_output_tokens.
7579 (cpp_finish): Don't dump macros here. Don't call
7581 * cppmacro.c (_cpp_dump_definition): Rename
7582 cpp_dump_definition. Write directly to a FILE *.
7583 (dump_funlike_macro): Delete.
7584 (dump_macro_args): New.
7586 * cpplex.c (TOKEN_LEN): Convert to inline function.
7587 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
7588 cpp_scan_line, _cpp_dump_list): Delete.
7589 (cpp_printf, cpp_output_list): New.
7590 (output_line_command): Don't worry about entering or leaving files.
7591 (cpp_scan_buffer): Just output each token as we hit it.
7592 (process_directive): Don't call cpp_output_tokens.
7593 (_cpp_glue_header_name): Don't use token_buffer.
7594 (output_token, dump_param_spelling): Write directly to a FILE *.
7596 * cpplib.c (pass_thru_directive, dump_macro_name,
7597 pragma_dispatch, do_pragma_gcc): Delete.
7598 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
7599 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
7601 (do_error, do_warning, pragma_dependency): Call
7602 _cpp_begin_message, then cpp_output_list.
7603 (cpp_register_pragma, cpp_register_pragma_space,
7604 _cpp_init_internal_pragmas): New.
7605 (do_pragma): Walk the pragmas table here.
7606 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
7607 do_pragma_dependency): Return void.
7608 (do_pragma_implementation): Moved to cppmain.c.
7610 * cpplib.h: Update prototypes.
7611 (struct cpp_reader): Remove printer, token_buffer,
7612 token_buffer_size, and limit. Add struct cb, and pragmas.
7613 (struct cpp_printer): Remove last_id and written.
7614 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
7615 CPP_ADJUST_WRITTEN): Delete.
7616 * cpphash.h: Update prototypes.
7617 (ufputs): New wrapper.
7619 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
7620 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
7621 (main): Set up callbacks. Register #pragma implementation.
7622 Dump macros from here.
7624 2000-08-01 Geoff Keating <geoffk@cygnus.com>
7626 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
7627 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
7628 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
7629 insns if they have a REG_MAYBE_DEAD note attached.
7630 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
7631 (rs6000_emit_load_toc_table): TOC loads may go dead.
7633 2000-08-01 Jim Wilson <wilson@cygnus.com>
7635 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
7636 type exists before using it. Use number of words as alignment
7638 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
7639 ia64_va_arg): Propagate ia64_function_args changes here.
7641 2000-08-01 Richard Henderson <rth@cygnus.com>
7643 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
7644 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7646 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
7648 From Joern Rennecke:
7649 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
7650 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
7651 unless TARGET_SH3E is set.
7652 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
7654 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
7655 (ashlsi3_std): New pattern.
7656 (ashlsi3 expander): Use it for TARGET_SH3.
7657 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
7659 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7661 * loop.c (canonicalize_condition): Use destination, not source to
7662 determine SET's mode.
7664 2000-07-31 Mark Mitchell <mark@codesourcery.com>
7666 * flow.c (clear_log_links): Fix typo.
7668 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
7670 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
7671 on targets which need more than one insn for a compare/cbranch
7674 2000-07-31 Jim Wilson <wilson@cygnus.com>
7676 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
7677 when computing offset.
7679 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
7681 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
7683 2000-07-31 Geoff Keating <geoffk@cygnus.com>
7685 * flow.c (clear_log_links): Nuke global_live_at_start and
7686 global_live_at_end data, since if the log_links stuff is invalid
7687 so is global_live_at_*.
7689 2000-07-31 Richard Henderson <rth@cygnus.com>
7691 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
7693 2000-07-31 Jakub Jelinek <jakub@redhat.com>
7695 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
7696 (_cpp_get_token): Don't macro expand a just pasted token if it
7697 was pasted at no_expand_level.
7699 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7701 * cppmacro.c (find_param, count_params, save_expansion):
7702 Permit 'defined' as a macro parameter name.
7704 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7706 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
7707 xcpp to cpp throughout.
7708 (native): Remove unnecessary dependency on cpp.
7710 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
7711 tradcpp to tradcpp0.
7712 (.i spec): Add missing output-file spec to cc1 command line.
7713 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
7715 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7717 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
7718 (implicit_decl_warning): New function.
7719 (implicitly_declare): Use it.
7720 * c-typeck.c (build_external_ref): Use implicit_decl_warning
7721 to complain about implicit decls of builtins.
7723 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
7724 based on pedantic && flag_isoc99, if not already set.
7725 * c-tree.h: Declare mesg_implicit_function_declaration.
7726 Prototype implicit_decl_warning.
7728 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
7730 * Makefile.in (ssa.o): Updated header files in dependences.
7731 * basic-block.h: Added compute_immediate_postdominators declaration.
7732 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
7734 * flow.c (compute_immediate_dominators): Updated comment.
7735 (compute_immediate_postdominators): Added definition.
7736 * rtl.h (HARD_REGISTER_P): Added definition.
7737 * ssa.c: Include additional header files.
7738 (assert): Added definition.
7739 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
7740 include select hard registers.
7741 (ssa_rename_to_insert): Likewise.
7742 (ssa_rename_from_initialize): Likewise.
7743 (ssa_rename_from_lookup): Likewise.
7744 (original_register): Likewise.
7745 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
7746 include select hard reigsters.
7747 (ssa_rename_from_traverse): Likewise.
7748 (ssa_rename_from_free): Likewise.
7749 (ssa_rename_from_print): Likewise.
7750 (ssa_rename_from_print_1): Likewise.
7751 (ssa_rename_from_hash_function): Likewise.
7752 (ssa_rename_from_equal): Likewise.
7753 (ssa_rename_from_delete): Likewise.
7754 (simplify_to_immediate_dominators): Removed in favor of
7755 flow.c:compute_immediate_dominators.
7756 (find_evaluations_1): Modified to work with hard registers.
7757 (insert_phi_node): Likewise.
7758 (insert_phi_nodes): Likewise.
7759 (struct rename_set_data): Updated prev_reg comment.
7760 (create_delayed_rename): Modified to work with hard registers.
7761 (RENAME_NO_RTX): Updated comment.
7762 (apply_delayed_renames): Modified to work with hard registers.
7763 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
7764 (rename_block): Updated to use revised ssa_rename_to interface.
7765 (rename_registers): Updated to use revised ssa_rename_to and
7766 ssa_rename_from interface.
7767 (convert_to_ssa): Revised to use compute_immediate_dominators and
7768 deal with hard registers.
7769 (make_regs_equivalent_over_bad_edges): Modified to work with hard
7770 registers. Added check for illegal unification of hard register.
7771 (make_equivalent_phi_alternatives_equivalent): Modified to work
7772 with hard registers.
7773 (compute_conservative_reg_partition): Likewise.
7774 (coalesce_if_unconflicting): Modified to work with hard registers
7775 and check for conflicting hard registers.
7776 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
7778 (rename_equivalent_regs_in_insn): Modified to work with hard
7780 (record_canonical_element_1): Added definition.
7781 (check_hard_regs_in_partition): Added definition.
7782 (convert_from_ssa): Added data structure deallocation and check
7783 for illegal hard register unification.
7784 (conflict_hard_regs_p): Added definition.
7785 * toplev.c (rest_of_compilation): Added comment.
7787 2000-07-31 Anthony Green <green@redhat.com>
7789 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
7791 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
7793 * builtins.c (expand_builtin_apply): Don't defer pop during
7796 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7798 * calls.c (combine_pending_stack_adjustment_and_call): Only use
7799 preferred_unit_stack_boundary when it is > 1.
7801 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
7803 * c-common.c (init_function_format_info): Add C99 format functions
7806 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
7807 void' or 'register void' as being the special case of 'void' alone
7808 in a parameter list.
7810 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
7811 discarding qualifiers into a plain warning.
7813 2000-07-31 Kazu Hirata <kazu@hxi.com>
7815 * combine.c: Fix formatting.
7817 * h8300.md: Fix formatting.
7819 * local-alloc.c: Fix formatting.
7821 * h8300.c (get_shift_alg): Remove the variable alg.
7822 (emit_a_shift): Rearrange code to improve readability.
7824 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
7826 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
7827 HImode on all architectures and a combination of HImode and SImode
7828 on H8/300H and H8/S.
7830 * h8300.c (split_adds_subs): Rearrange code for conciseness.
7832 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
7834 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
7837 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7839 * recog.c (extract_insn): Set operand_mode according to
7840 operand if match_operand is VOIDmode.
7842 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7844 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
7846 2000-07-31 Geoff Keating <geoffk@cygnus.com>
7848 * c-parse.in (extdefs): Call ggc_collect between external
7851 2000-07-30 Michael Hayes <mhayes@cygnus.com>
7852 Richard Henderson <rth@cygnus.com>
7854 * Makefile.in (OBJS): Add doloop.o.
7855 * doloop.c: New file.
7857 * final.c (insn_current_reference_address): Return 0 before final.
7858 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
7859 * jump.c (any_uncondjump_p): Likewise.
7860 * loop.c (indirect_jump_in_function): Make static.
7861 (strength_reduce): Call doloop_optimize.
7862 (insert_bct, instrument_loop_bct): Remove.
7863 * loop.h (doloop_optimize): Prototype.
7864 * recog.c (split_all_insns): Split all INSN_P.
7865 * toplev.c (flag_branch_on_count_reg): Default on.
7867 * config/c4x/c4x.c (c4x_optimization_options): Don't set
7868 flag_branch_on_count_reg.
7869 * config/i386/i386.c (override_options): Likewise.
7870 * config/rs6000/rs6000.c (optimization_options): Likewise.
7872 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
7874 (dbra_ge): Remove, as well as all it's splitters.
7876 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
7879 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
7880 (ia64_register_move_cost): Declare.
7881 * config/ia64/ia64.c (ar_lc_reg_operand): New.
7882 (struct ia64_frame_info): Add ar_size.
7883 (ia64_compute_frame_size): Set it.
7884 (save_restore_insns): Save and restore ar.lc.
7885 (ia64_register_move_cost): New, moved from header file. Handle
7886 application registers.
7887 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
7888 (emit_insn_group_barriers): Special case doloop_end_internal.
7889 (ia64_epilogue_uses): Mark ar.lc live at end.
7890 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
7891 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
7892 (FIRST_PSEUDO_REGISTER): Make room.
7893 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
7894 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
7895 (REG_ALLOC_ORDER): Update.
7896 (HARD_REGNO_MODE_OK): Update.
7897 (REGISTER_NAMES): Update.
7898 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
7899 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
7900 (REGNO_REG_CLASS): Update.
7901 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
7902 (REGISTER_MOVE_COST): Move out of line.
7903 (PREDICATE_CODES): Update.
7904 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
7905 (addsi3_plus1_alt, adddi3_plus1_alt): New.
7906 (shladd_elim splitter): Allow constants in the predicate.
7907 (doloop_end, doloop_end_internal): New.
7909 2000-07-30 Richard Henderson <rth@cygnus.com>
7911 * genattrtab.c (struct insn_def): Add lineno member.
7912 (struct insn_ent): Likewise.
7913 (struct attr_desc): Likewise.
7914 (struct delay_desc): Likewise.
7915 (struct function_unit_op): Likewise.
7916 (struct function_unit): Likewise.
7917 (check_attr_value): Use message_with_line.
7918 (check_defs): Likewise.
7919 (expand_units): Likewise.
7920 (check_attr_test): Take a lineno argument.
7921 (gen_attr): Likewise.
7922 (gen_insn): Likewise.
7923 (gen_delay): Likewise.
7924 (gen_unit): Likewise.
7925 (main): Give it to them.
7926 (convert_set_attr_alternative): Take an insn_def argument
7927 instead of num_alt and insn_index.
7928 (convert_set_attr): Likewise.
7929 (write_test_expr): Protect INSN_ADDRESSES load
7930 with INSN_ADDRESSES_SET_P.
7932 2000-07-30 Richard Henderson <rth@cygnus.com>
7934 * flow.c (init_propagate_block_info): Use pc_set.
7936 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7938 * i386.md (*lea_general_[123]) New insns and splits.
7939 (addsi3 to lea splitter): Handle other modes too.
7940 (shlsi3 to lea splitter): Likewise.
7941 (addhi_1_lea, shlhi_1_lea): New patterns.
7942 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
7944 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7946 * recog.c (general_operand, nonimmediate_operand): Accept
7947 any mode for VOIDmode CONSTANT_P operands.
7949 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7951 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
7952 instead of replace_rtx.
7953 * recog.c (validate_replace_rtx_subexp): New function.
7954 * recog.h (validate_replace_rtx_subexp): Declare.
7956 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
7958 * combine.c (simplify_set, make_extraction, make_compound_operation
7959 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
7960 as force_to_mode argument.
7962 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
7964 * combine.c (if_then_else_cond): Be sure that mode fits in
7967 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7969 * combine.c (record_promoted_value): Allow bitsize of mode
7970 to be equivalent to HOST_BITS_PER_WISE_INT.
7972 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7974 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
7975 Do not call gen_mode_alignment when mode is BLKmode.
7977 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
7979 * loop.c (express_from_1): Fix call of simplify_gen_binary.
7981 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7983 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
7984 VOIDmode implies both operands to be VOIDmode.
7985 (simplify_ternary_operation): Compute properly the mode of comparison.
7986 * combine.c (combine_simplify_rtx): Likewise.
7988 2000-07-25 Michael Hayes <mph@paradise.net.nz>
7990 * basic-block.h (struct loops): New field rc_order.
7991 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
7992 (flow_loops_free): Free rc_order.
7993 (flow_depth_first_order_compute): New parameter rc_order.
7994 (flow_loops_find): Allocate rc_order and swap usage with
7997 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8000 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8001 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8002 (nodb_call, return_from_epilogue): Likewise.
8003 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8004 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8005 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8006 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8007 (c4x_valid_type_attribute_p): Likewise.
8008 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8009 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8011 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8013 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8014 and loadhi_big_constant if applicable.
8015 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8016 and add new splitter.s
8018 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8020 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8022 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8024 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8026 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8028 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8030 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8032 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8034 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8036 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8037 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8038 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8039 (get_prev_bb_note): Likewise.
8040 (remove_scope_notes): Likewise.
8041 * flow.c (commit_one_edge_insertion): Likewise.
8042 (merge_blocks_nomove): Likewise.
8043 (verify_flow_info): Likewise.
8044 * gcse.c (insert_insn_end_bb): Likewise.
8045 * reg-stack.c (emit_swap_insn): Likewise.
8046 * ssa.c (first_insn_after_basic_block_note): New function.
8047 (insert_phi_node): Use it.
8048 (rename_block): Likewise.
8049 (eliminate_phi): Likewise.
8050 (make_regs_equivalent_over_bad_edges): Likewise.
8051 (make_equivalent_phi_alternatives_equivalent): Likewise.
8052 (for_each_successor_phi): Likewise.
8053 (convert_from_ssa): Modify phi-node deletion algorithm.
8055 2000-07-29 Andreas Jaeger <aj@suse.de>
8057 * configure.in (mips*-*-linux*): Use mips*el to check for little
8058 endian MIPS, add tmake_file.
8060 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8061 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8062 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8064 2000-07-28 Richard Henderson <rth@cygnus.com>
8066 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8067 Sign extend mode size before negating.
8069 2000-07-28 Richard Henderson <rth@cygnus.com>
8071 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8073 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8075 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8076 (cse_insn): Likewise.
8077 (addr_affects_sp_p): Likewise.
8078 * expr.c (move_by_pieces): Likewise.
8079 (clear_by_pieces): Likewise.
8080 * gcse.c (oprs_unchanged_p): Likewise.
8081 * haifa-sched.c (sched_analyze_2): Likewise.
8082 * recog.c (offsettable_address_p): Likewise.
8083 * regclass.c (record_address_regs): Likewise.
8084 * reload.c (find_reusable_reload): Likewise.
8085 (push_reload): Likewise.
8086 (operands_match_p): Likewise.
8087 (decompose): Likewise.
8088 (find_reloads_address_1): Likewise.
8089 (find_inc_amount): Likewise.
8090 * reload1.c (elimination_effects): Likewise.
8091 * resource.c (mark_set_resources): Likewise.
8092 * flow.c (attempt_auto_inc): New function; mostly broken out
8094 (find_auto_inc): Split into two functions and enhanced to
8095 generate POST_MODIFY.
8096 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8097 * rtl.h (count_all_occurrences): Declare.
8098 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8100 * rtlanal.c (count_all_occurrences): New function.
8101 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8102 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8104 * config/ia64/ia64-protos.h (destination_operand): Declare.
8105 * config/ia64/ia64.c (destination_operand): New function.
8106 (ia64_print_operand): Handle POST_MODIFY.
8107 (rtx_needs_barrier): Likewise.
8108 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8109 (HAVE_POST_MODIFY_REG): Define to 1.
8110 (MAX_REGS_PER_ADDRESS): Change to 2.
8111 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8112 (LEGITIMATE_ADDRESS_REG): New helper macro.
8113 (LEGITIMATE_ADDRESS_DISP): Likewise.
8114 (PREDICATE_CODES): Add entry for destination_operand.
8115 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8116 predicate for operand 0.
8118 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8120 * dwarf2out.c: Indent #error directive.
8122 * gbl-ctors.h: Fix typo in comment.
8123 (__do_global_ctors): Prototype.
8125 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8127 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8128 (print_operand): Initialize variable `t'.
8130 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8132 * config/arm/arm.md ("call_value"): removed constraints.
8133 Constraints are ignored in expanders.
8134 (*call_value_reg): split =rf into various constraints.
8135 (*call_value_mem): same
8136 (*call_value_symbol): same
8137 (*sibcall_value_insn): same
8139 2000-07-28 Philipp Thomas <pthomas@suse.de>
8141 * install.texi (--enable-nls): Change the description of the NLS
8142 related configure options to match the current state.
8143 (--with-included-gettext): Likewise.
8144 (--enable-maintainer-mode): New description added.
8145 * extend.texi (-fstrict-prototype): Add missing '.'.
8147 2000-07-27 Jim Wilson <wilson@cygnus.com>
8149 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8150 DECL_INITIAL (decl) == NULL_TREE.
8152 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8154 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8155 on insn-attr.h with it.
8156 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8157 * insn-addr.h: New header.
8158 (insn_addresses_): Renamed from insn_addresses.
8159 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8160 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8161 INSN_ADDRESSES_NEW): New macros.
8162 * genattrtab.c (write_test_expr): Use new macros.
8163 * final.c (insn_addresses, init_insn_lengths): Likewise.
8164 (align_fuzz, shorten_branches): Likewise.
8165 (final): Likewise. Do not reject new insns if their addresses
8166 have been added to INSN_ADDRESSES.
8167 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8168 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8169 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8170 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8171 * config/sh/sh.c: Likewise.
8172 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8174 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8176 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8178 * gcc.c (struct prefix_list): Add member priority.
8179 (enum path_prefix_priority): Declare.
8180 (add_prefix): Replace ``first'' with ``priority''. Append new
8181 entry but keep list in priority order.
8182 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8183 PREFIX_PRIORITY_LAST to add_prefix.
8184 (process_command): Move include kludge - foo/stageN - to before
8187 2000-07-27 Jason Merrill <jason@redhat.com>
8189 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8190 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8192 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8194 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8195 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8197 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8199 * c-decl.c (finish_function): Don't treat 'main' specially unless
8200 flag_hosted. In C99 mode, return 0 from 'main' unless
8201 DEFAULT_MAIN_RETURN is otherwise defined.
8203 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8204 parameters defaulting to int in an old-style function definition.
8206 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8208 * c-parse.in (string): For -Wtraditional, warn about string
8209 concatenation only once per line.
8211 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8213 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8214 for HI-UX/WE2 systems.
8216 2000-07-24 Bruce Korb <bkorb@gnu.org>
8218 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8219 defining the __xxx_TYPE__ macros.
8220 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8221 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8222 * fixincl/inclhack.def(type_map): now obsolete
8224 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8226 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8228 2000-07-26 Dave Pitts <dpitts@cozx.com>
8230 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8232 (mvs_hash_alias): New function.
8233 (mvs_add_alias): Change argument spacing.
8234 (mvs_need_alias): Change aliasing criteria. Added documentation.
8235 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8236 CSECT name collisions.
8237 (mvs_check_alias): Likewise.
8238 (handle_pragma): Change documentation.
8239 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8240 mode from SImode to DImode.
8241 (iorhi3): Changed LTORG size for insn.
8243 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8245 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8246 mem if the address is a mode_dependent_address_p.
8248 2000-07-26 Kazu Hirata <kazu@hxi.com>
8250 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8251 suitable for 8-bit absolute.
8252 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8253 (OK_FOR_U): Add a case for the 8-bit constant address on the
8256 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8258 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8259 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8260 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8261 lack of implemented alignment.
8263 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8265 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8266 cross-compiling between 64-bit and 32-bit machines.
8268 2000-07-27 Richard Henderson <rth@cygnus.com>
8270 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8271 (movhicc_astep, movhi_internal_astep): New.
8272 (movsicc_astep, movsi_internal_astep): New.
8273 (movdicc_astep, movdi_internal_astep): New.
8274 (movsfcc_astep, movsf_internal_astep): New.
8275 (movdfcc_astep, movdf_internal_astep): New.
8276 (movxfcc_astep, movxf_internal_astep): New.
8277 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8278 Unify the cmov[ds]i splitters.
8280 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8282 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8284 2000-07-26 Nick Clifton <nickc@cygnus.com>
8286 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8287 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8289 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8290 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8292 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8294 * c-decl.c (finish_enum): Convert enumerations that fit in an
8296 (build_enumerator): In pedantic mode, cast to `int' those that
8299 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8301 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8303 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8305 * sh.md (cmpgtdi_t): Must be split.
8306 (cmpgtdi_t+1): New splitter.
8308 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8310 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8311 warnings for indented directives even if we are skipping.
8313 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8315 * invoke.texi (strict-prototypes): Remove.
8316 * extend.texi (Deprecated Features): Add strict-prototypes.
8317 (Backwards Compatibility): New node.
8319 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8321 * config/i386/i386.md (andsi_1+1): Allow HImode.
8322 (andsi_1+2): Require q_regs_operand.
8324 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8326 * config/i386/i386.md (call_pop): Check operands[0],
8327 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8329 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8330 (call_value): Likewise.
8332 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8334 * toplev.c (pipe_closed): Delete.
8335 (crash_signal): New. Generate ICE for a fatal signal.
8336 (float_signal): Call crash_signal outside a float-handler
8338 (main): Install crash_signal as handler for core-dumping signals.
8340 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8342 * rs6000.c (print_operand, case 'T'): New case.
8344 * rs6000.md (call_indirect_aix32): Convert to expander of
8345 scheduled instructions.
8346 (call_indirect_aix64): Likewise.
8347 (call_value_indirect_aix{32,64}): Likewise.
8348 (call, call_value): Invoke expanders for AIX. Fall through to
8350 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8351 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8352 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8353 only "g" constraint.
8354 (call_nonlocal_aix64): Likewise.
8355 (call_value_nonlocal_aix{32,64}): Likewise.
8356 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8358 (call_value_nonlocal_sysv): New pattern.
8359 (indirect_jump{si,di}): Use new 'T' modifier.
8360 (tablejump{si,di} matchers): Likewise.
8361 (return_internal_{si,di}): Likewise.
8362 (return_eh_{si,di}): Likewise.
8364 2000-07-24 Richard Henderson <rth@cygnus.com>
8366 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8367 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8368 * config/ia64/ia64.md (movdi_internal): Use it.
8370 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8372 * cppexp.c: Warn about unary + if -Wtraditional.
8373 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8375 2000-07-24 Michael Meissner <meissner@redhat.com>
8377 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8380 2000-07-24 Nick Clifton <nickc@cygnus.com>
8382 * config/arm/arm.c (emit_multi_reg_push): Generate a
8383 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8384 dwarf2out_debug_frame_expr.
8386 2000-07-24 Jason Merrill <jason@redhat.com>
8388 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8389 UNALIGNED_INT_ASM_OP.
8390 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8391 a location expression.
8392 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8393 assume indirect access if we're saving the CFA address exactly.
8395 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8397 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8399 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8402 2000-07-24 Michael Meissner <meissner@redhat.com>
8404 * invoke.texi (D30V Options): Add d30v options.
8406 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8408 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8409 needed by our gcse pass anymore.
8410 (free_pre_mem): Corresponding changes.
8411 (compute_pre_data): Do not call compute_transpout anymore.
8413 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8414 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8417 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8418 (compute_pre_data): Do it here instead.
8420 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8422 (pre_delete): Corresponding changes.
8424 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8426 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8427 to figure out whether or not a variable has already been emitted.
8429 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8431 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8432 instead of gen_call.
8434 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8436 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8438 2000-07-23 Kazu Hirata <kazu@hxi.com>
8440 * h8300.c: Fix formatting.
8442 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8444 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8445 for `long' switch expression into a plain warning.
8447 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8448 (yylex): Don't pedwarn for "inline" in C99 mode.
8450 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8452 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8453 ggc_alloc): Likewise.
8454 * bb-reorder.c (dump_scope_forest_1): Likewise.
8456 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8458 * reload.c (find_reloads_toplev): Add new parameter
8460 (find_reloads): Add new parameter to find_reloads_toplev calls.
8462 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8464 * collect2.c (main): Typo fixed.
8465 * diagnostic.c: Typo fixed.
8466 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8467 * eh-common.h: Typo fixed.
8468 * emit-rtl.c (start_sequence): Typo fixed.
8469 * flow.c (find_label_refs): Typo fixed.
8470 (calculate_global_regs_live): Typo fixed.
8471 (mark_regno_cond_dead): Typo fixed.
8472 (create_edge_list): Typos fixed.
8473 (verify_edge_list): Typo fixed.
8474 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
8475 * loop.c (strength_reduce): Typo in function name fixed.
8476 * rtl.h: Added comments. Typo in function name fixed.
8477 * rtlanal.c: Typo in function name fixed.
8478 (insn_dependant_p): Rename to ...
8479 (insn_dependent_p): ... this.
8480 (computed_jumo_p): Typo fixed.
8482 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8484 * system.h (__FUNCTION__): Wrap definition in #ifndef.
8486 2000-07-21 David Edelsohn <edelsohn@gnu.org>
8488 * rs6000.h (SIZE_TYPE): Define.
8490 2000-07-21 Mark Mitchell <mark@codesourcery.com>
8492 * ssa.c (rename_insn_1): Don't rename registers that are
8495 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
8497 * diagnostic.c (trim_filename, fancy_abort): Moved here from
8499 (fatal_function, set_fatal_function): Removed.
8500 (fatal): Don't prepare for or call the fatal_function.
8501 (diagnostic_lock, error_recursion): New.
8502 (diagnostic_for_decl, report_diagnostic): Guard against
8503 re-entering the error reporting routines.
8504 (fancy_abort): Assume function is not NULL.
8506 * errors.c (fancy_abort): New. Assume function is not NULL.
8507 * tradcpp.c (fancy_abort): Assume function is not NULL.
8509 * system.h: Provide default definition of __FUNCTION__.
8510 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
8511 Always use __FUNCTION__ in definition of abort.
8513 * varray.h: Likewise.
8514 * toplev.h: Likewise. Don't prototype set_fatal_function.
8516 2000-07-20 Geoff Keating <geoffk@cygnus.com>
8518 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
8520 * glimits.h: Don't do #if defined for ARCH_PPC.
8522 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
8523 constants of size no larger than a pointer should go in the TOC.
8524 Add 'MODE' parameter.
8525 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
8526 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
8527 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
8528 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
8529 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
8530 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
8531 (rs6000_legitimize_address): Likewise.
8532 (rs6000_emit_move): Likewise.
8533 (rs6000_select_rtx_section): Likewise.
8534 (output_toc): Deal properly with outputting small constants like
8535 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
8536 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
8537 MODE parameter. Put small constants in the TOC.
8539 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
8541 (rs6000_emit_move): When reload calls us with an illegitimate
8542 address, exit early. Move the change_address calls to one place
8543 at the end of the routine. Merge the SImode and DImode expanders.
8544 When called by reload to put an integer into a FP register, force
8547 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
8549 (rs6000_hash_constant): Hash mode too.
8550 (toc_hash_function): Allow for key_mode.
8551 (toc_hash_eq): Structures are different if key_mode differs.
8552 (output_toc): Add 'mode' parameter. Save key_mode.
8553 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
8554 Pass 'mode' parameter.
8555 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
8557 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
8558 for vtable references.
8560 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
8561 choice, don't put integer values in FP regs.
8563 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
8565 * flow.c (verify_flow_info): Revamp code to verify that the
8566 head and end of each basic block are in the insn chain.
8568 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
8570 * gcse.c (record_one_set): Prepend instead of append onto
8571 reg_set_table, making it O(n) instead O(n^2).
8572 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
8573 Use a queue instead of a stack as worklist.
8575 2000-07-20 Kazu Hirata <kazu@hxi.com>
8577 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
8578 * h8300.h (OK_FOR_T): New.
8579 (EXTRA_CONSTRAINT): Support OK_FOR_T.
8580 * h8300.md: Use inc/dec.[wl] for increment/decrement
8581 by 1 and 2 in HI and SI modes.
8583 2000-07-20 Jim Wilson <wilson@cygnus.com>
8585 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
8586 larger than 14 bits.
8588 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
8590 * cppmacro.c (CAN_PASTE_AFTER): New macro.
8591 (count_params): Don't set GNU_REST_ARGS on anything.
8592 (save_expansion): Set PASTE_LEFT only on tokens for which
8593 CAN_PASTE_AFTER is true, or which are named operators.
8595 * cpplex.c (parse_args): Distinguish between a rest argument
8596 given one empty argument, and a rest argument given zero arguments.
8597 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
8598 deletion of previous token based on that.
8599 (get_raw_token): Flatten some control structure.
8601 * cpplib.h (CPP_LAST_EQ): Correct.
8602 (VOID_REST): New token flag.
8603 (GNU_REST_ARGS): Delete.
8605 * tradcpp.c (main): Don't munge -D options.
8606 (make_definition): Bring -D handling in line with cpplib.
8607 (do_define): Strip all leading whitespace from macro definitions.
8609 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
8611 * Makefile.in (tradcpp): Depend on intl.o and version.o.
8613 2000-07-20 Bruce Korb <bkorb@gnu.org>
8615 * fixincl/check.tpl: strip the platform specific types before testing
8616 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
8617 * fixincl/fixincl.tpl: use platform specific types
8618 * fixincl/fixlib.h: include the platform specific types
8619 * fixincl/inclhack.def(gnu_types): don't supply the types
8620 * fixincl/fixincl.x: regen
8622 2000-07-19 Jim Wilson <wilson@cygnus.com>
8624 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
8627 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8629 * tradcpp.c (rescan): Do not recognize directives when the #
8632 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8634 Implement C++ named operators.
8636 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
8637 of operators allowed in #if and having an _EQ variant. Add
8638 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
8639 (cpp_token flags): Add NAMED_OP.
8640 (enum node_type): Add T_OPERATOR.
8641 (struct cpp_hashnode): Add code slot to value union.
8642 * cpphash.h (spec_nodes): Remove n_defined.
8644 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
8645 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
8646 (is_macro_disabled): Tweak error messages.
8648 * cpplib.c (get_define_node): Disallow all named operators as
8649 macro names. Tweak error messages.
8650 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
8652 * cppinit.c (builtin_array): Add entries for the named operators.
8653 * cppexp.c (lex): Check for CPP_DEFINED token.
8654 (priority table): Add entries for CPP_MIN and CPP_MAX.
8655 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
8657 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
8659 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
8660 larger than the array of cuids.
8661 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
8664 2000-07-19 Bruce Korb <bkorb@gnu.org>
8666 * fixinc/fixincl.c: Convert to using a table of environment variables
8667 and activate the auto-edit marker on the fixed output files.
8668 * fixinc/fixlib.h: Define the environment table
8669 * fixinc/fixincl.sh: export the ${INPUT} dir
8670 * fixinc/check.tpl: likewise
8672 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8674 * gcc.c (.h spec): Fix typo.
8676 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
8678 * Makefile.in: Fix tradcif.c path.
8680 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8682 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
8685 * cpphash.h (TOKEN_NAME): New macro.
8686 (_cpp_spell_operator): Deleted.
8687 (token_spellings): Now _cpp_token_spellings.
8689 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
8690 * cpplex.c: Use OP and TK macros when expanding the
8691 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
8692 store the stringification of the enumeration name (CPP_CHAR,
8693 etc.) in the name slot of token_spellings.
8694 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
8695 token_spellings directly.
8696 * cpplib.c: Use TOKEN_SPELL.
8698 * cpplex.c (_cpp_push_token): If the token being pushed back
8699 is the previous token in this context, just subtract one from
8701 * cppmacro.c (save_expansion): Clear aux field when storing a
8704 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8706 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
8707 buffer, provided it is not NULL.
8709 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
8711 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
8712 case of invalid volatile re-declaration.
8714 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8716 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
8717 (expand_call): Adjust caller.
8719 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
8721 * diagnostic.h (report_diagnostic): Change prototype.
8723 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
8724 diagnostic_for_decl): Change prototype.
8725 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
8726 error, warning, error_with_file_and_line,
8727 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
8728 Adjust call to report_diagnostic, diagnostic_for_decl.
8729 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
8730 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
8732 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
8733 varaible argument list.
8735 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
8737 * cpphash.c: Don't include hashtab.h. Most macro-handling code
8738 moved to cppmacro.c.
8739 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
8740 dump_hash_helper): Delete.
8741 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
8742 cpp_forall_identifiers): New. Implement specialized version of
8743 Vlad's expandable hash table.
8744 (cpp_lookup): Use new functions.
8745 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
8747 * cppmacro.c: New file.
8748 * cppinit.c (dump_macros_helper): New.
8749 (cpp_finish): Iterate over the identifier table directly.
8750 * cpplex.c (parse_name): Calculate the hash of the identifier
8751 while we scan it. Use _cpp_lookup_with_hash when we can.
8753 * cpphash.h: Update prototypes.
8754 (xcnewvec, HASHSTEP): New helper macros.
8755 * cpplib.h: Update prototypes.
8756 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
8757 (cppmacro.o): New rule.
8758 (cpphash.o): Update deps.
8760 * cppmain.c: Do not set pfile->printer if no_output is on.
8762 2000-07-15 Neil Booth <neilb@earthling.net>
8764 * cpplib.c: Change all directive-handler functions to return
8766 * cpphash.h: Update typedefs.
8768 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
8770 * configure: Regenerate.
8772 * extend.texi (Extended Asm): Mention that a memory clobber
8773 does not count as a side-effect.
8775 * unroll.c (copy_loop_body): Fix one instance of using host
8776 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
8779 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
8781 2000-07-17 Richard Henderson <rth@cygnus.com>
8783 * config/ia64/ia64.md (movdi): Split out load address code.
8784 New post-reload splitter for symbolic operands.
8785 (movdi_internal): Abort if we didn't split symbolic operands
8786 when we should have.
8787 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
8788 (ia64_reorg): Split insns when not optimizing.
8789 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
8791 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8793 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
8794 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
8796 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
8798 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
8800 2000-07-17 Jason Merrill <jason@redhat.com>
8802 * Makefile.in (clean): Remove libgcc directory.
8804 * configure.in (-Wno-long-long check): Use higher-level macros.
8806 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
8808 * simplify-rtx.c (simplify_binary_operation): Recognize
8809 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
8810 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
8811 a CONST_INT, it will always be zero.
8813 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
8815 * loop.c (check_dbra_loop) : Return if more than one condition is
8816 present to control the loop.
8818 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
8820 * mips.c (mips_expand_prologue): Don't calculate the last argument
8821 register unless we need it. When we are calculating this, make
8822 sure FUNCTION_ARG is giving us a REG.
8824 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8826 * flow.c (libcall_dead_p): Use single_set to verify the insn
8827 has only one set and get for analysis.
8828 (propagate_one_insn): Don't pass the PATTERN of the insn.
8830 2000-07-17 Mark Klein <mklein@dis.com>
8832 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
8834 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8836 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
8837 * configure.in (TARGET_GETGROUPS_T): Evaluate.
8838 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
8839 of second argument of getgroups.
8840 * configure, config.in: Rebuilt.
8842 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
8844 * simplify-rtx.c (simplify_relational_operation): Two signed
8845 values with equal high words are less/greater than each other if
8846 their low words are less/greater when considered as unsigned.
8848 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
8850 * configure.in (vax-*-openbsd): Change to new style configuration,
8851 add collect2/float_format information.
8852 * configure: Rebuilt.
8853 * config/vax/openbsd1.h: New.
8854 * config/vax/openbsd.h: New.
8855 * config/vax/t-openbsd: New.
8857 2000-07-17 Chip Salzenberg <chip@valinux.com>
8859 * c-common.c (shorten_compare): Quiet warnings about unsigned
8860 comparisons with zero when they occur in a system header.
8862 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
8864 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
8865 update to describe current practice.
8867 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
8869 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
8870 references to C9X. Change references to -fstd and -flang-isoc9x
8873 * c-common.c (scan_char_table): Allow "z" length modifiers on
8875 (check_format_info): Use TYPE_DOMAIN on the type matched against
8876 for "z" formats, to retrieve the language size_t rather than the
8879 * c-common.c (check_format_info): Do not make a pedantic objection
8880 to the 'L' length modifier if used with a floating point type
8883 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
8884 constants in C99 mode.
8886 2000-07-17 Kazu Hirata <kazu@hxi.com>
8888 * h8300.md: Fix the format of mac.
8889 (movsi_h8300hs): Output a tab after stmac instead of a space.
8891 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
8892 profitable adds/subs sequences.
8894 * fold-const.c: Fix comment typos.
8896 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
8898 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
8900 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8902 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
8904 2000-07-16 Neil Booth <NeilB@earthling.net>
8906 * cpplex.c: Update comments.
8907 * README.Portability: Small update.
8909 2000-07-16 Neil Booth <NeilB@earthling.net>
8911 * README.Portability: Small update.
8913 2000-07-15 Richard Henderson <rth@cygnus.com>
8915 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
8916 * config/ia64/ia64.c (ia64_move_ok): New function.
8917 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
8918 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
8920 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
8922 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
8923 immediately following a paste operator.
8924 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
8925 (cpp_reader_init): Call it, if HOST_EBCDIC.
8926 (cpp_handle_options): Do not sort option list here.
8927 (handle_option): Rename to cpp_handle_option and export.
8928 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
8929 _cpp_get_token directly.
8930 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
8931 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
8932 * cpplib.h: Prototype cpp_handle_option. Update prototype of
8935 2000-07-15 Richard Henderson <rth@cygnus.com>
8937 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
8938 cast around an expression. Tidy other unsigned tests.
8940 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
8942 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
8943 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
8944 (v_message_with_decl): Rename to ...
8945 (format_with_decl): ... this. Tweak
8946 (diagnostic_for_decl): New function.
8947 (fatal_io_error): Use verbatim in lieu of notice.
8948 (announce_function): Use verbatim.
8949 (default_print_error_function): Likewise.
8950 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
8953 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8955 * mips.c (function_arg_pass_by_reference): Don't do automatic
8956 aggregate initialization.
8957 (machine_dependent_reorg): Initialize variable `mode'.
8959 * mips.md (absdi2): Change variable `regno1' to unsigned int.
8960 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
8961 conflicts with sys/param.h macro of the same name.
8962 (reload_outdi): Likewise.
8964 2000-07-15 Michael Meissner <meissner@redhat.com>
8966 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
8967 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
8968 create a new node instead.
8970 2000-07-15 Neil Booth <NeilB@earthling.net>
8972 * README.Portability: Correct example about calling a function
8973 through a pointer to function. Format wide paragraphs.
8975 2000-07-15 Michael Meissner <meissner@redhat.com>
8977 * README.Portability: Update integer suffixes and function
8980 2000-07-15 Neil Booth <NeilB@earthling.net>
8982 * README.Portability: Small update.
8984 2000-07-15 Neil Booth <NeilB@earthling.net>
8986 * README.Portability: New file.
8988 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
8990 * INSTALL: Give special instructions for building GCC on Irix 6.
8991 * config/mips/x-iris6 (CC): Don't set it.
8994 2000-07-14 Jason Merrill <jason@redhat.com>
8996 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
8997 register in the stack and later in another register, use the new
9000 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9002 * config/mips/mips.md: (absdi2): Handle sign_extend for
9005 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9007 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9009 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9011 * .cvsignore: Correct typo.
9013 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9015 * .cvsignore: Add generated YACC files.
9016 * objc/.cvsignore: New file.
9018 2000-07-14 Neil Booth <NeilB@earthling.net>
9020 * cpplex.c (adjust_column): New funcion.
9021 (skip_whitespace): Use it.
9022 (skip_block_comment): Use it, and warn about /*/* with
9025 2000-07-14 Neil Booth <NeilB@earthling.net>
9027 * cpphash.c (struct macro_info): Add new members.
9028 (_cpp_free_definition): Delete the macro directly.
9029 (count_params): Return void, with first token of
9030 expansion in struct macro_info on success.
9031 (parse_define): Return int. Hoist syntax checking from
9032 save_macro_expansion. Leave call to save_expansion to
9033 _cpp_create_definition.
9034 (alloc_macro): Needs just 2 arguments.
9035 (free_macro): Delete.
9036 (save_expansion): Don't perform syntax check.
9037 (_cpp_create_definition): Call save_expansion.
9039 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9041 * genrecog.c (write_header): Split long string.
9043 * cpphash.c (macro_info): Don't use the `signed' keyword.
9045 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9047 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9049 * calls.c (stored_args_map): New variable.
9050 (check_sibcall_argument_overlap_1): New.
9051 (check_sibcall_argument_overlap): New.
9052 (expand_call): Initialize stored_args_map.
9053 Call check_sibcall_argument_overlap.
9055 2000-07-13 Bruce Korb <bkorb@gnu.org>
9057 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9058 (emit_gnu_type): utility procedure for gnu_type_fix
9059 (gnu_type_fix): implement various pre-processor guards around
9060 standard types so these types can be defined over and over
9061 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9062 types alluded to above will have GNU-compliant base types
9063 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9064 * fixinc/inclhack.def: add test_text entries and utilize the new
9065 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9066 * fixinc/fixincl.x: regenerate
9068 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9070 * diagnostic.c (vline_wrapper_message_with_location,
9071 v_message_with_file_and_line, v_error_with_file_and_file,
9072 v_error_for_asm, v_warning_for_asm, vfatal,
9073 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9074 vsorry, verror, vwarning, vpedwarn): Remove.
9075 (diagnostic_for_asm): New function.
9076 (pedwarn, error, warning, pedwarn_with_file_and_line,
9077 error_with_file_and_line, warning_with_file_and_line, sorry,
9078 error_for_asm, warning_for_asm, fatal): Reimplement.
9079 (finish_diagnostic): Clear diagnostic info as well.
9081 2000-07-13 Neil Booth <NeilB@earthling.net>
9083 * c-common.h (flag_digraphs): New.
9084 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9085 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9088 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9090 * gcc.c (do_spec_1): Add new %B operator.
9091 (set_input): Prepare for %B.
9093 (link_command_spec): Move up with the other tm.h-
9094 overrideable specs. Factor out the portion conditional on
9095 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9096 (struct compiler): Just have a single spec string. All users
9098 (default_compilers): Remove unnecessary braces.
9099 (static_specs): Update.
9101 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9103 (C and assembly specs): Use the new named specs, as appropriate.
9105 * objc/lang-specs.h: Use the new named specs.
9106 Remove unnecessary braces.
9108 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9110 * gcc.c (execute): If a subprocess gets a fatal signal, report
9111 strsignal() of the signal number, and ask for a bug report.
9112 Do not do this for SIGPIPE if there's already been an error.
9114 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9117 * tradcif.c: Remove.
9119 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9121 * final.c (profile_function): Do not emit profile counters in
9122 the data section, if NO_PROFILE_COUNTERS is defined.
9123 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9126 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9127 (FUNCTION_PROFILER): Just emit a call to mcount.
9129 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9131 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9133 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9134 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9135 traditional, lang_chill, or lang_fortran.
9137 * cppfiles.c: #undef strcmp to suppress warning about macros
9138 used without arguments.
9139 (_cpp_execute_include): Use f, not fname, in "No include path"
9141 (_cpp_pop_file_buffer): New function.
9142 * cpplib.c: Don't include <sys/mman.h>.
9143 (cpp_push_buffer): Set line_base and lineno in new buffer.
9144 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9146 * cpplex.c: Move all prototypes and structure declarations to the
9147 top of the file. Properly parenthesise some macro arguments.
9148 (cpp_scan_line): New function.
9149 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9150 don't need to walk up the stack counting.
9152 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9154 * c-common.c (combine_strings): Emit a pedantic warning when a
9155 string length is greater than the minimum ANSI C is required
9158 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9160 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9161 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9163 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9165 * c-decl.c (define_label): Warn about identifier conflicts with
9166 labels in traditional C.
9168 * c-parse.in (unop +): Warn about the unary plus operator for
9171 * c-typeck.c (store_init_value): Warn about automatic aggregate
9172 initialization for traditional C.
9174 * invoke.texi (-Wtraditional): Document new warnings.
9176 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9178 * Makefile.in (c-errors.o): Fix thinko in dependency.
9180 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9182 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9183 -traditional, -ftraditional, or -traditional-cpp was given.
9184 Do not pass -traditional to the preprocessor.
9185 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9186 preprocessor does it automatically.
9187 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9189 * ch/lang-specs.h: Always use tradcpp. Do not pass
9190 -traditional, -trigraphs, or -pedantic to the preprocessor.
9191 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9194 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9196 * cppexp.c (LOGICAL): Delete macro.
9197 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9200 * cpphash.c (HASHSIZE): Increase to 4096.
9201 (struct hashdummy): Add hash field.
9202 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9203 the string values using memcmp.
9204 (cpp_lookup): Set dummy.hash.
9206 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9208 * configure.in (m88k-openbsd): Express configuration using new fragment
9210 * configure: Rebuilt.
9211 * m88k/aout-dbx.h: New.
9212 * m88k/openbsd.h: New.
9213 * m88k/xm-openbsd.h: New.
9215 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9217 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9219 2000-07-12 Richard Henderson <rth@cygnus.com>
9221 * reload.c (push_secondary_reload): Make sure to add the new
9222 reload at the end, after acquiring secondary memory.
9224 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9226 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9228 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9229 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9231 * c-parse.in (stmt): Delete unused variables.
9233 * convert.c (convert_to_vector): Likewise.
9235 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9237 * tree.c (finish_vector_type): Prototype.
9239 2000-07-12 Bruce Korb <bkorb@gnu.org>
9241 * fixinc/fixfixes.c: use xmalloc
9242 * fixinc/fixincl.c(initialize): set program name for xmalloc
9243 * fixinc/fixlib.c(must_malloc): obsolete
9244 (is_cxx_header): no longer used - disabled
9245 (skip_quote): inserted and disabled for future use
9246 * fixinc/fixlib.h: reflects above
9247 * fixinc/fixtests.c: removed dinkleberries
9249 2000-07-12 Neil Booth <NeilB@earthling.net>
9251 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9252 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9254 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9255 struct toklist_dummy): New.
9256 (cpp_free_definition): Free macros with free_macro.
9257 (count_params): Don't save paramter spellings. Save macro
9258 information in a struct macro_info.
9259 (parse_define): Don't allocate a token list.
9260 (save_expansion): Allocate the macro's token list, and
9261 save parameter spellings if necessary. Use TOKEN_SPELL.
9262 (cpp_create_definition): Make list const.
9264 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9266 * c-typeck.c (pedwarn_c99): Move to
9267 * c-errors.c: ... Here.
9268 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9269 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9270 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9271 (c-errors.o): List dependency.
9273 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9275 * c-parse.c: Remove.
9276 * c-parse.h: Likewise.
9277 * c-parse.y: Likewise.
9278 * objc/objc-parse.c: Likewise.
9279 * objc/objc-pasre.y: Likewise.
9281 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9283 * gcc.texi: Fix minor typos
9284 * extend.texi: Fix minor typos
9286 2000-07-11 Marc Espie <espie@openbsd.org>
9288 * collect2.c (main): Recognize .lo as object files.
9290 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9292 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9295 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9296 with MAP_ANONYMOUS and MAP_ANON.
9297 * configure, config.in: Rebuilt.
9299 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9301 * diagnostic.c (save_output_state): Remove.
9302 (restore_output_state): Likewise.
9303 (clear_text_info): New function.
9304 (clear_diagnostic_info): Likewise.
9305 (output_text_length, is_starting_newline, output_prefix,
9306 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9307 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9308 (set_real_maximum_length, output_set_maximum_length,
9309 output_set_prefix, output_get_prefix, output_set_maximum_length,
9310 output_destroy_prefix, init_output_buffer,
9311 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9312 output_add_newline, output_add_character, output_add_space,
9313 output_append_r, output_append, wrap_text, output_format,
9314 output_do_printf, output_printf, output_do_verbatim,
9315 output_verbatim, verbatim): Use them.
9316 (output_clear): Split into cleat_text_info and
9317 clear_diagnostic_info.
9318 (struct output_state): Move to...
9320 * diagnostic.h: ...Here
9321 (struct output_buffer): Adjust.
9323 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9325 * cpplex.c (parse_name): No longer inline (premature optimization).
9326 (do_pop_context): Fold into pop_context.
9327 (pop_context): Returns int.
9328 (lex_next): Hoist test for end of directive into pop_context.
9329 (push_macro_context): Returns int; takes just reader and token.
9330 Hoist test for excessive nesting to caller.
9331 (push_arg_context): Returns void; takes just reader and token.
9332 Do not call stringify_arg or get_raw_token.
9333 (get_raw_token): Convert tail recursion through push_arg_context
9334 to a loop at this level. Call stringify_arg here if appropriate.
9335 (maybe_paste_with_next): Convert tail recursion to a while loop.
9336 Hoist test of paste_level to caller.
9338 (stringify_arg): Push arg context at beginning.
9339 (cpp_get_token): Split out core into _cpp_get_token. Call
9340 process_directive here. Throw away CPP_PLACEMARKER tokens.
9341 (_cpp_get_token): Convert tail recursion through
9342 push_macro_context to a loop at this level.
9343 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9344 _cpp_get_raw_token): Use _cpp_get_token.
9345 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9346 not call pop_context.
9347 (_cpp_run_directive): Call lex_next directly.
9349 * cpphash.h: Prototype _cpp_get_token.
9350 * cppexp.c (lex): Use it.
9351 * cpphash.c (parse_define): Use it.
9352 * cpplib.c (get_define_node, do_undef, parse_include,
9353 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9354 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9355 parse_ifdef, validate_else): Use it.
9356 (cpp_push_buffer): Tweak error message; abort if anyone tries
9357 to push a buffer while macro expansions are stacked.
9359 2000-07-11 Donn Terry <donnte@microsoft.com>
9361 * cpplex.c (free_macro_args, save_token): Cast arg of free
9362 and/or xrealloc to PTR.
9363 (_cpp_init_input_buffer): Clear all fields of the base context.
9365 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9367 * gensupport.c (process_rtx): Make rtl checking stop
9368 complaining about the define_insn while it is being
9369 converted from a define_insn_and_split.
9371 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9373 * config/mips/mips.c (simple_memory_operand): Access the
9374 INTVAL of the address, not it's containing MEM.
9376 2000-07-11 Bruce Korb <bkorb@gnu.org>
9378 * fixinc/fixtests.c(double_slash): obsolete
9379 (else_endif_label): likewise
9380 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9381 (libc1_ifdefd_memx): correct initial comment
9382 and omit the #if/#endif pair from the memxxx declarations
9383 * fixinc/fixincl.x: regen
9385 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9387 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9389 2000-07-11 Neil Booth <NeilB@earthling.net>
9393 2000-07-11 Neil Booth <NeilB@earthling.net>
9395 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9396 (handle_option): Set digraphs according to standard.
9397 Merge OPT_lang_c89 handler with OPT_std_c89.
9399 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9400 accordance with the digraphs flag.
9402 * cpplib.h: (struct cpp_options): New option digraphs.
9404 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9405 Bruce Korb <bkorb@gnu.org>
9407 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9408 * fixinc/fixincl.x: Regenerate.
9409 * fixinc/tests/base/testing.h: Add testcase.
9411 2000-07-10 Richard Henderson <rth@cygnus.com>
9413 * config/ia64/ia64.c (got_symbolic_operand): New.
9414 (symbolic_operand, move_operand): Revert 0701 change.
9415 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9416 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9417 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9418 split the offset into a 14-bit low part instead of a 13-bit low part.
9419 (load_fptr): Mark the mem as unchanging.
9420 (load_symptr): Use got_symbolic_operand.
9422 2000-07-10 Nick Clifton <nickc@cygnus.com>
9424 * libgcc2.c (next_stack_level): Cast result of computation to
9425 (void **) so that the assignment does not generate a warning.
9427 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9429 * flags.h : Add new variable flag_single_precision_constant.
9430 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9431 (flag_single_precision_constant): New.
9432 * c-lex.c (yylex): Convert floating point constant to single
9434 * invoke.texi : Add documentation for this new option.
9436 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9438 * diagnostic.c (output_octal): Second parameter is unsigned.
9439 (output_long_octal): Likewise.
9440 (output_hexadecimal): Likewise.
9441 (output_long_hexadecimal): Likewise.
9442 (output_format): Adjust arguments extraction. Tweak.
9443 (output_verbatim, verbatim): End variable argument list.
9444 (report_diagnostic): Improve documentation.
9446 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9448 * c-common.h (build_stmt): Declare.
9449 (build_continue_stmt): Likewise.
9450 (build_break_stmt): Likewise.
9451 (build_return_stmt): Likewise.
9453 * c-decl.c (do_case): Rewrite to do what previously done in
9456 * c-semantics.c (build_stmt): Define.
9457 (build_return_stmt): Likewise.
9458 (build_break_stmt): Likewise.
9459 (build_continue_stmt): Likewise.
9460 (build_case_label): Likewise.
9462 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9463 (CONTINUE): Likewise.
9466 (DEFAULT): Likewise.
9468 * c-parse.y: Regenerate.
9469 * c-pasre.c: Likewise.
9471 2000-07-09 Jason Merrill <jason@redhat.com>
9473 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
9475 * tree.h (STRIP_NOPS): Check for error_mark_node.
9476 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
9477 (dwarf2out_*): Remove duplicate declarations.
9479 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
9480 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
9482 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9484 * diagnostic.c (wrap_text): New function.
9485 (maybe_wrap_text): Likewise.
9486 (output_add_string): Use it.
9487 (output_format): Likewise.
9488 (count_error): Use verbatim instead of notice.
9489 (report_error_function): Likewise. Don't use plain fprintf.
9490 (finish_diagnostic): New function.
9491 (output_do_verbatim): Tweak. Commonalize functionalities in
9492 output_verbatim and verbatim.
9493 (output_verbatim): Adjust.
9494 (verbatim): Likewise.
9495 (report_diagnostic): Define.
9497 * diagnostic.h (report_diagnostic): Prototype.
9499 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
9501 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
9503 2000-07-09 Neil Booth <NeilB@earthling.net>
9505 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
9506 IShspace, ISspace: Update.
9508 * cppinit.c: ISTABLE: Update.
9511 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
9512 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
9513 (skip_block_comment, skip_line_comment, parse_string,
9514 lex_line): Use is_vspace rather than IS_NEWLINE.
9515 (skip_whitespace, lex_line): Clean up to use is_nvspace.
9516 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
9518 (lex_next): Unconditionally stop if within a directive.
9519 Treat directives within macro invocations as directives
9520 (after parse_args emits error), not as the argument.
9522 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
9524 * diagnostic.c (diagnostic_args): New macro.
9525 (diagnostic_msg): Likewise.
9526 (output_formatted_integer): Likewise.
9527 (output_state): New data type.
9528 (digit_buffer): Make global.
9529 (output_add_integer): Rename to output_decimal. Squeeze
9531 (output_long_decimal, output_unsigned_decimal,
9532 output_long_unsigned_decimal, output_octal, output_long_octal,
9533 output_hexadecimal, output_long_hexadecimal): New functions.
9534 (output_append_r): New function.
9535 (output_append): Tweak.
9536 (output_flush_on): Rename to output_to_stream.
9537 (output_format): Change prototype. Improve documentation. Handle
9538 more format specifiers.
9539 (build_location_prefix): Rename to context_as_prefix.
9540 (output_notice): Rename to output_do_printf.
9541 (output_printf): Tweak.
9542 (line_wrapper_printf): Likewise.
9543 (vline_wrapper_message_with_location): Adjust call to renamed
9545 (v_message_with_decl): Likewise.
9546 (default_print_error_function): Likewise.
9547 (save_output_state): New function.
9548 (restore_output_state): Likewise.
9549 (output_do_verbatim): Likewise.
9550 (output_verbatim): Define.
9551 (verbatim): Likewise.
9553 * diagnostic.h (printer_fn): Change return type from void to int.
9554 Improve documentation.
9555 (output_add_integer): Rename to output_decimal.
9556 (output_flush_on, output_format): Don't export.
9557 (output_verbatim, verbatim): Declare.
9559 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
9561 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
9562 Check whether c divides op1 exactly if operation is not
9565 2000-07-08 Richard Henderson <rth@cygnus.com>
9567 * final.c (final): Do not abort when reg-stack introduces
9570 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
9572 * cpplib.h (struct cpp_name): Now struct cpp_string.
9573 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
9574 CPP_HEADER_NAME): Change to type S.
9575 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
9576 field, a cpp_hashnode *. All references to val.name updated
9577 to use val.str or val.node as appropriate.
9578 (struct cpp_reader): Add spec_nodes field.
9579 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
9581 * cpphash.h (struct spec_nodes): New.
9582 (enum spell_type): Reorder. Only SPELL_STRING tokens use
9583 val.str. All references to 'spelling > SPELL_NONE' updated to
9586 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
9587 pfile->buffer->inc are not NULL before dereferencing them.
9589 * cpplex.c (parse_name): Take a pointer to the current token,
9590 plus current position and limit as args; return the new
9591 position; don't copy the text of a name into the string
9592 buffer, instead call cpp_lookup and store the node pointer.
9593 If extending a token, copy out the text of the old into a
9594 scratch buffer, append the new, look that up and store the new
9595 node pointer. Inline.
9596 (maybe_paste_with_next): If the result of paste is a NAME,
9597 then look up the pasted text and store its node pointer.
9598 (lex_line): Adjust for new parse_name interface.
9599 Check for L"str", L'str' using spec_nodes->n_L.
9600 (spell_token): SPELL_IDENT tokens have their spelling in
9601 val.node->name. Handle SPELL_STRING tokens that don't have
9603 (_cpp_expand_name_space,
9604 (can_paste): Check for L ## "str" using spec_nodes->n_L.
9605 (cpp_get_token, special_symbol): No need to call cpp_lookup.
9606 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
9607 return 1=equal 0=not, not a tristate.
9609 * cpphash.c (var_args_str): Delete.
9610 (find_param): Compare node fields directly.
9611 (is__va_args__): Use CPP_PEDANTIC. Just compare
9612 token->val.node with spec_nodes->n__VA_ARGS__.
9613 (dump_funlike_macro): Don't use var_args_str.
9615 * cpplib.c (_cpp_check_directive): Just walk through
9616 spec_nodes->dirs comparing pointers.
9617 (get_define_node, do_pragma_poison, detect_if_not_defined,
9618 parse_ifdef): The identifier has already been looked up.
9619 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
9621 (do_if): Only call detect_if_not_defined at beginning of file.
9622 (_cpp_parse_assertion): Only copy string pointers for
9623 SPELL_STRING tokens.
9624 (pragma_dispatch): Take a node pointer and examine its name
9626 (_cpp_init_stacks): Also initialize the spec_nodes structure.
9628 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
9630 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
9631 reverse order from the corresponding _cpp_init_* routines.
9633 * cppexp.c (parse_number, parse_charconst, parse_defined,
9634 lex): Check val.node->type instead of calling cpp_defined.
9635 Use spec_nodes entries where appropriate.
9637 * fix-header.c, scan-decls.c: Update for interface changes.
9639 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
9641 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
9642 emitting aux_truncdfsf2.
9644 2000-07-03 Donn Terry (donnte@microsoft.com)
9646 * cppinit.c (print_help): split overlong line into ISO C89
9649 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9651 * cppexp.c: Update all code for new lexer interface.
9652 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
9653 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
9654 * cpplex.c (token_names): Trim leading CPP_ from names; make
9655 the strings unsigned.
9656 (_cpp_spell_operator): New.
9657 (is_macro_disabled): Disable all macros if rescanning
9659 (_cpp_get_directive_token): Remove.
9661 * cppinit.c: Don't set no_macro_expand.
9662 * cpplib.c (read_line_number, do_line): Check only for EOF,
9664 * cpphash.h: Update prototypes.
9665 * cpplib.h (CPP_VSPACE): Remove.
9666 (struct cpp_reader): Remove no_macro_expand.
9668 2000-07-08 Neil Booth <NeilB@earthling.net>
9670 * cpphash.c (is__va_args__): New function.
9671 (count_params): Fix line reported in error messages. Use
9672 is__va_args__. Don't return ')' on error. Flag GNU style
9673 rest args macro definitions.
9674 (parse_define): Check macro name is not __VA_ARGS__.
9675 (save_expansion): Check identifier in non-varargs-macro is
9676 not __VA_ARGS__. Don't flag GNU_VARARGS.
9677 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
9678 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
9679 than per-token GNU_VARARGS.
9680 * cpplib.h (GNU_VARARGS): Remove.
9681 (GNU_REST_ARGS): New.
9683 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9685 * i386.md (call_pop, call, call_value_pop): Do not set
9686 current_function_uses_pic_offset_table for calls to static
9687 functions or indirect calls.
9689 2000-07-07 Jim Wilson <wilson@cygnus.com>
9691 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
9692 is_predicate_reg, then take max write_count of register pair.
9694 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9696 * tradcpp.c (main): Rename label `include' to `add_include' to
9697 avoid conflicts with variable `include' in traditional C.
9699 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9701 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
9703 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9705 * sibcall.c (uses_addressof): Add INMEM argument, check for
9706 current_function_internal_arg_pointer outside of MEM rtxs in addition
9708 (sequence_uses_addressof): Update caller.
9710 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9712 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
9715 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9717 * system.h (UNION_INIT_ZERO): New macro for initializing union
9720 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
9722 2000-07-07 Neil Booth <NeilB@earthling.net>
9726 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
9728 * final.c (final): Detect out of bounds array access to
9729 the insn_lengths array.
9731 2000-07-07 Kazu Hirata <kazu@hxi.com>
9733 * fold-const.c (fold): Fix a comment typo.
9735 2000-07-07 Neil Booth <NeilB@earthling.net>
9737 * cpp.texi: Update to new lexer.
9739 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9741 * tradcpp.c: New file.
9742 * tradcif.y: New file.
9743 * tradcif.c: New generated file.
9745 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
9746 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
9747 dependencies of C. Install tradcpp from install-common, in
9750 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9752 * cppinit.c: Include cppdefault.h. Refer to
9753 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
9754 to GCC_INCLUDE_DIR and its length.
9755 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
9756 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
9757 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
9759 (include_defaults_array): Move to cppdefault.c.
9761 * cppdefault.h: New file.
9762 * cppdefault.c: New file.
9764 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
9765 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
9766 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
9769 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9771 * reload.c (push_reload): When seeing if can reuse a register,
9772 check extra registers against widest of INMODE and OUTMODE.
9774 2000-07-06 Neil Booth <NeilB@earthling.net>
9776 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
9777 based on full length of predicate.
9779 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
9781 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
9782 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
9784 2000-07-05 Kazu Hirata <kazu@hxi.com>
9786 * h8300-proto.h: Fix formatting.
9787 * h8300.c: Likewise.
9788 * h8300.h: Likewise.
9790 2000-07-05 Jim Wilson <wilson@cygnus.com>
9792 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
9795 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
9797 * invoke.texi: Fix minor typos
9798 * md.texi: Fix minor typos
9800 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
9802 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
9804 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
9806 * cpplex.c: Don't include sys/mman.h.
9807 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
9809 * cpplib.c: Include sys/mman.h and obstack.h.
9810 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
9812 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
9813 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
9814 bother freeing if stack entries (they will be freed with their buffer).
9815 (do_endif): Free if stack entries from the buffer obstack.
9816 (push_conditional): Allocate if stack entries from the buffer obstack.
9818 (find_answer): Rename to _cpp_find_answer.
9819 (do_assert, do_unassert): Update.
9821 * cpphash.h: Update prototypes.
9822 (xobnew): New convenience macro.
9823 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
9825 (struct cpp_hashnode): Remove disabled field.
9827 * cppinit.c: Don't include hashtab.h or splay-tree.h.
9828 (report_missing_guard): Moved to cppfiles.c.
9829 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
9831 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
9832 cpp_cleanup_includes. Don't destroy hashtab or
9833 all_include_files here.
9834 (cpp_finish): Use _cpp_report_missing_guards.
9836 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
9837 (_cpp_init_include_table): Rename _cpp_init_includes.
9838 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
9840 * cppexp.c (parse_assertion): Update for new name of
9843 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
9845 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
9847 * cpplib.c (do_ident): s/VSPACE/EOF/
9849 2000-07-05 Neil Booth <NeilB@earthling.net>
9851 * cpplex.c: Fix trigraph replacement within strings.
9853 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9855 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
9857 * xcoffout.c (assign_type_number): Constify.
9858 (xcoffout_source_file): Add static prototype. Don't needlessly
9859 cast away const-ness.
9861 2000-07-04 Jason Merrill <jason@redhat.com>
9863 * frame.h (frame_state): Move base_offset to end.
9865 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
9867 * calls.c (emit_library_call_value_1): Revert previous change.
9869 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
9871 * fix-header.c (struct partial_proto): Remove unnecessary fields.
9872 (recognized_extern, recognized_function, read_scan_file):
9873 Update for new scheme.
9874 (check_protection): It's still a multiple include guard even
9875 if it doesn't always trigger.
9876 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
9878 * scan.h: Declare struct cpp_token. Update prototypes.
9880 2000-07-03 Neil Booth <neilb@earthling.net>
9881 Zack Weinberg <zack@wolery.cumb.org>
9883 Complete overhaul of the lexer and macro expander.
9885 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
9886 arg, arglist, argdata, reflist, collect_objlike_expansion,
9887 collect_funlike_expansion, collect_params,
9888 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
9889 unsafe_chars, macarg, compare_defs, special_symbol,
9890 scan_arguments, stringify, funlike_macroexpand,
9891 _cpp_quote_string, monthnames): Delete.
9892 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
9893 _cpp_create_definition, _cpp_dump_definition,
9894 dump_hash_helper): Adjust.
9895 (find_param, count_params, parse_define, var_args_str,
9896 check_macro_redefinition, save_expansion): New.
9898 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
9899 parse_string, output_line_command, trigraph_replace,
9900 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
9901 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
9902 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
9903 _cpp_skip_rest_of_line): Modify.
9905 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
9906 find_position, null_warning, bump_column, expand_name_space,
9907 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
9908 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
9909 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
9910 _cpp_prescan): Delete.
9912 (dump_param_spelling, process_directive, lex_next,
9913 is_macro_disabled, stringify_arg, expand_context_stack,
9914 output_token, make_string_token, alloc_number_token,
9915 special_symbol, duplicate_token, maybe_paste_with_next,
9916 can_paste, prevent_macro_expansion, restore_macro_expansion,
9917 get_temp_token, release_temp_tokens, quote_string,
9918 token_names, token_spellings, _cpp_expand_name_space,
9919 _cpp_glue_header_name, _cpp_reserve_name_space,
9920 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
9921 placemarker_token, eof_token, cpp_context, macro_args,
9922 get_raw_token, parse_arg, parse_args, save_token,
9923 push_arg_context, push_macro_context, pop_context,
9924 do_pop_context, free_macro_args, _cpp_get_line,
9925 _cpp_run_directive): New.
9927 * cpplib.c (validate_else, parse_include, push_conditional,
9928 pass_thru_directive, read_line_number, parse_ifdef,
9929 detect_if_not_defined, _cpp_check_directive, do_define,
9930 do_undef, do_include, do_import, do_include_next, do_error,
9931 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
9932 top_pragmas, do_pragma_gcc, do_pragma_implementation,
9933 do_pragma_poison, do_pragma_system_header,
9934 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
9935 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
9936 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
9937 cpp_defined): Update for new scheme.
9938 (strtoul_for_line, get_define_node, dump_macro_name,
9939 _cpp_check_linemarker, _cpp_parse_assertion): New.
9940 (_cpp_handle_directive, do_pragma_default): Delete.
9942 * cpphash.h (struct predicate): Now struct answer.
9943 (enum spell_type, struct token_spelling, struct directive,
9944 directive_handler): New.
9945 Update prototypes. Remove unused macros.
9946 * cpplib.h: Update prototypes. Remove unused macros,
9947 structure definitions, and fields.
9949 * cpperror.c (print_containing_files, v_message): Adjust.
9950 * cppexp.c (parse_assertion, lex, parse_escape,
9951 _cpp_parse_expr): Adjust.
9952 * cppfiles.c (open_include_file, _cpp_execute_include,
9953 _cpp_compare_file_date, cpp_read_file, read_include_file):
9955 * cppinit.c (dump_special_to_buffer): Delete.
9956 (append_include_chain, merge_include_chains, cpp_reader_init,
9957 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
9958 cpp_finish, handle_option, print_help): Adjust.
9959 * cppmain.c (main): Adjust.
9961 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
9963 * cppspec.c (lang_specific_driver): Use double quotes in error
9966 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
9968 * calls.c (emit_library_call_value_1): Use valreg instead
9969 of hard_libcall_value.
9971 2000-07-03 Geoff Keating <geoffk@cygnus.com>
9973 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
9974 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
9975 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
9983 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
9984 mode instead of wider_mode is being used.
9986 2000-07-03 Jakub Jelinek <jakub@redhat.com>
9988 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
9989 of 'r'. Use q_regs_operand.
9990 (andsi_1+2): Use q_regs_operand.
9992 2000-07-03 Jakub Jelinek <jakub@redhat.com>
9994 * builtins.c (get_memory_rtx): Always put into alias set 0.
9996 2000-07-03 Nick Clifton <nickc@cygnus.com>
9998 * config/arm/arm.md: Fix post increment and pre increment
9999 peepholes so that they do not generate UNPREDICATBLE opcodes.
10000 (ie ones where the increment clobbers the source/destination).
10002 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10004 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10005 change too big for -mtiny-stack" a warning, if larger than 63.
10006 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10007 always safe to use on possible future devices.
10008 (function_prologue): Write SPH before SPL, for consistency.
10009 If interrupt_func_p true, we know we have enabled interrupts.
10010 (avr_num_arg_regs): New function. Round up to even number of
10011 bytes if no -mpack-args or if calling a libgcc function.
10012 (function_arg, function_arg_advance): Use it.
10013 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10014 Output "movw" if available.
10015 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10016 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10017 (asm_output_section_name): Add blanks for consistent output.
10018 (encode_section_info): Set TREE_READONLY for progmem data to
10019 avoid gas warnings about changed section attributes.
10020 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10021 even numbered registers on devices with "movw".
10022 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10023 (TARGET_SWITCHES): Mark help strings for translation.
10024 Add new -mpack-args and -menhanced switches.
10025 (TARGET_OPTIONS): Mark help strings for translation.
10026 (progmem_section): Add section attributes.
10027 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10028 Output "movw" if available.
10029 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10031 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10032 call convention (arguments aligned on even registers).
10033 (_cleanup, _exit): Make weak symbols libc can override.
10035 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10037 * fp-bit.h: New file.
10039 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10040 Comment #endif statements.
10041 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10043 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10045 * gcse.c (compute_pre_data): Compute ae_kill using other local
10046 properties instead of calling compute_ae_kill.
10048 * alias.c (init_alias_analysis): Do not call
10049 prologue_epilogue_contains until after reload has completed.
10051 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10053 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10054 (genrtl_finish_compound_stmt): Likewise.
10055 (genrtl_compound_stmt): Change to return void.
10057 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10058 move code from here to ...
10059 (genrtl_compound_stmt): ... here.
10060 (genrtl_finish_compound_stmt): Remove.
10061 (expand_stmt): Add comment.
10063 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10065 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10068 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10070 * cpplib.h (struct cpp_reader): New field include_depth.
10071 (struct cpp_printer): Rename last_bsd to last_id.
10072 * cppfiles.c (read_include_file): Bump include_depth.
10073 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10074 (output_line_command): Output correct #line if a header
10075 is including itself and is not protected against multiple inclusion.
10076 Use include_depth instead of buffer_stack_depth, last_id instead of
10078 * cppinit.c (cpp_start_read): Initialize last_id instead of
10081 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10083 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10084 (c-semantics.o): New target.
10086 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10087 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10088 (genrtl_clear_out_block): Likewise.
10089 (genrtl_goto_stmt): Likewise.
10090 (genrtl_expr_stmt): Likewise.
10091 (genrtl_decl_stmt): Likewise.
10092 (genrtl_if_stmt): Likewise.
10093 (genrtl_while_stmt): Likewise.
10094 (genrtl_do_stmt): Likewise.
10095 (genrtl_return_stmt): Likewise.
10096 (genrtl_for_stmt): Likewise.
10097 (genrtl_break_stmt): Likewise.
10098 (genrtl_continue_stmt): Likewise.
10099 (genrtl_scope_stmt): Likewise.
10100 (genrtl_switch_stmt): Likewise.
10101 (genrtl_case_label): Likewise.
10102 (genrtl_begin_compound_stmt): Likewise.
10103 (gerntl_finish_compound_stmt): Likewise.
10104 (genrtl_compound_stmt): Likewise.
10105 (genrtl_asm_stmt): Likewise.
10106 (genrtl_decl_cleanup): Likewise.
10107 (DECL_ANON_UNION_ELEMS): Likewise.
10108 (emit_local_var): Likewise.
10109 (make_rtl_for_local_static): Likewise.
10110 (expand_cond): Likewise.
10111 (expand_stmt): Likewise.
10112 (c_expand_return): Likewise.
10113 (c_expand_start_case): Likewise.
10114 (do_case): Likewise.
10115 (COMPOUND_STMT_NO_SCOPE): Likewise.
10116 (c_expand_asm_operands): Likewise.
10117 (NEW_FOR_SCOPE_P): New macro.
10118 (expand_expr_stmt_fn): New type.
10120 (set_current_function_name_declared): Likewise.
10121 (current_function_name_declared): Likewise.
10122 (lang_expand_stmt): Likewise.
10123 (stmts_are_full_exprs_p): Likewise.
10124 (anon_aggr_type_p): Likewise.
10125 (lang_expand_expr_stmt): Likewise.
10126 (build_case_label): Likewise.
10128 * c-decl.c (lang_expand_expr_stmt): Initialize.
10129 (stmts_are_full_exprs_p): Define.
10130 (current_function_name_declared): Likewise.
10131 (do_case): Likewise.
10132 (lang_expand_stmt): Likewise.
10133 (set_current_function_name_declared): Likewise.
10134 (anon_aggr_type_p): Likewise.
10136 * c-semantics.c: New file.
10137 (expand_cond): Moved from cp/semantics.c.
10138 (genrtl_do_pushlevel): Likewise.
10139 (genrtl_clear_out_block): Likewise.
10140 (genrtl_goto_stmt): Likewise.
10141 (genrtl_expr_stmt): Likewise.
10142 (genrtl_decl_stmt): Likewise.
10143 (genrtl_if_stmt): Likewise.
10144 (genrtl_while_stmt): Likewise.
10145 (genrtl_do_stmt): Likewise.
10146 (genrtl_return_stmt): Likewise.
10147 (genrtl_for_stmt): Likewise.
10148 (genrtl_break_stmt): Likewise.
10149 (genrtl_continue_stmt): Likewise.
10150 (genrtl_scope_stmt): Likewise.
10151 (genrtl_switch_stmt): Likewise.
10152 (genrtl_case_label): Likewise.
10153 (genrtl_begin_compound_stmt): Likewise.
10154 (genrtl_finish_compound_stmt): Likewise.
10155 (genrtl_compound_stmt): Likewise.
10156 (genrtl_asm_stmt): Likewise.
10157 (genrtl_decl_cleanup): Likewise.
10158 (make_rtl_for_local_static): Moved from cp/decl.c.
10159 (emit_local_var): Likewise.
10160 (expand_stmt): Define.
10162 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10163 (c_expand_return): Likewise.
10164 (c_expand_start_case): Likewise.
10166 2000-07-01 Richard Henderson <rth@cygnus.com>
10168 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10169 with the low 13 bits set.
10170 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10171 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10172 of the low 13 bits into a CONST plus an adddi3.
10173 (load_symptr): Set RTX_UNCHANGING_P.
10175 See ChangeLog.3 for earlier changes.