1 2000-11-21 Nick Clifton <nickc@redhat.com>
3 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
4 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
6 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
8 2000-11-21 Richard Henderson <rth@redhat.com>
10 * c-common.c (c_unsafe_for_reeval): New function.
11 (add_c_tree_codes): Register it.
12 * c-common.h: Declare it.
13 * tree.c (lang_unsafe_for_reeval): New hook.
14 (unsafe_for_reeval): Call it.
17 2000-11-21 Richard Henderson <rth@redhat.com>
19 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
22 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
24 * loop.c (consec_sets_giv): If the reg we're examining is anything
25 but UNKNOWN_INDUCT, do nothing.
26 Reset the reg's type to UNKNOWN_INDUCT before returning.
28 Mostly from Vladimir Makarov (vmakarov@redhat.com)
29 * ia64.md (attr itanium_class): Define insn types as described in
31 (all insn patterns): Use itanium_class, not type attributes.
32 Occasionally split alternatives as necessary.
33 (attr type): Compute from new attr itanium_class.
35 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
37 * tradcpp.c (output_line_command): Mark system headers as such in
40 2000-11-21 Jakub Jelinek <jakub@redhat.com>
42 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
43 support in as as well.
44 * configure: Regenerate.
46 2000-11-20 Richard Henderson <rth@redhat.com>
48 * c-lex.c (orig_filename): New variable.
49 (init_c_lex): Set it. Move call to cpp_start_read ...
50 (yyparse): ... here. New function.
51 * c-parse.in (yyparse_1): Rename the parser entry point.
52 * c-tree.h: Declare it.
54 2000-11-21 Jakub Jelinek <jakub@redhat.com>
56 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
57 integer constant, use type of op1 for comparison.
59 2000-11-20 Stan Shebs <shebs@apple.com>
61 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
62 * config/rs6000/x-darwin: New file, Darwin host fragment.
63 * config.gcc (powerpc-*-darwin*): New host.
64 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
65 overridden by a config file.
67 2000-11-20 Neil Booth <neilb@earthling.net>
69 * cppmacro.c (paste_tokens): Rename from paste_payloads.
70 Change token type after pasting spellings.
71 (paste_all_tokens): Use it.
72 * gcc.dg/cpp/paste2.c: Update test.
73 * objc/execute/paste.m: New test.
75 2000-11-20 Richard Henderson <rth@redhat.com>
77 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
78 dwarf_subscr_data_formats bits.
79 * dwarfout.c (simple_type_size_in_bits): Handle a type with
80 no computed size as size zero.
81 (field_byte_offset): Likewise.
82 (subscript_data_attribute): Handle a range with no upper bound.
84 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
86 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
88 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
90 * c-typeck.c (build_conditional_expr): When merging type
91 qualifiers for conditional expressions between a pointer and a
92 pointer to a void type, merge the qualifiers on the target types
93 rather than the pointer type. Remove obsolete conditioned out
96 2000-11-20 Neil Booth <neilb@earthling.net>
98 * c-lang.c (lang_init_options): Update call to
100 * cppmain.c (main): Similarly.
101 * fix-header.c (read_scan_file): Similarly.
102 * cp/lex.c (lang_init_options): Similarly.
103 * objc/objc-act.c (lang_init_options): Similarly.
104 * cppexp.c (parse_number): Only warn for unextended C89.
105 * cppinit.c (set_lang): New function.
106 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
107 (COMMAND_LINE_OPTIONS): New option std=c++98.
108 (cpp_handle_option): Use set_lang.
109 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
110 * cppib.h (enum_c_lang): New enumeration. Update comments.
112 2000-11-20 Will Cohen <wcohen@redhat.com>
114 * calls.c (expand_call): Clear target only when target is in
115 hard register and current_function_check_memory_usage is set.
117 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
119 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
121 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
123 2000-11-19 Richard Henderson <rth@redhat.com>
125 * crtstuff.c (force_to_data): Use array size 1 not 0.
127 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
128 no computed size as size zero.
129 (field_byte_offset): Likewise.
131 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
133 * config.gcc: Fix another typo.
135 2000-11-19 Richard Henderson <rth@redhat.com>
137 * c-decl.c (grokdeclarator): Support flexible array members.
138 Use open-ended ranges for these and zero-length arrays.
139 * c-typeck.c (push_init_level): Validate the context of
140 initialization of a zero-length array.
141 * tree.c (int_fits_type_p): Be prepared for missing bounds.
142 * varasm.c (array_size_for_constructor): New.
143 (output_constructor): Use it for arrays of unspecified length.
144 * extend.texi (Zero Length): Mention C99 flexible array members.
145 Document initialization in a top-level struct as valid.
147 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
149 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
151 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
152 stdarg and varargs functions.
154 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
156 * gcc.c (process_command): Define 'j' variable when
157 MODIFY_TARGET_NAME is defined.
159 2000-11-19 Richard Henderson <rth@redhat.com>
161 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
163 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
165 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
166 calculation and allocation.
168 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
170 * builtins.c (c_getstr): Constify variable.
171 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
172 * conflict.c (const_conflict_graph_arc): New typedef.
173 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
174 * cppmacro.c (builtin_macro): Likewise.
175 * dwarf2out.c (output_comp_unit): Constify variable.
176 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
177 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
178 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
180 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
181 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
182 * varasm.c (const_str_htab_hash, const_str_htab_eq,
183 compare_constant_1, record_constant_1): Constify.
185 2000-11-18 Richard Henderson <rth@redhat.com>
187 * c-decl.c (grokdeclarator): Special case the creation of an
188 index for a zero-length array.
189 * tree.c (build_index_type): Revert Oct 20 change.
191 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
193 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
194 * config/avr/avr.c (jump_tables_size): New variable.
195 (function_prologue): Initialize it as 0.
196 (function_epilogue): Add it to function_size.
197 (avr_output_addr_vec_elt): New function. Count words in jump
198 tables in jump_tables_size. Move code ...
199 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
200 Call avr_output_addr_vec_elt instead.
201 * config/avr/avr.md (tablejump): Remove disabled define_expand.
203 2000-11-18 Mark Mitchell <mark@codesourcery.com>
205 * configure.in: Make --enable-new-gxx-abi the default.
206 * configure: Likewise.
208 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
210 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
212 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
213 Move extern function declarations to tradcpp.h.
215 * tradcpp.c: Likewise.
217 * tradcpp.h: New file.
219 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
221 * c-decl.c (check_for_loop_decls): New function.
222 * c-parse.in (for_init_stmt): New.
223 (select_or_iter_stmt): Use for_init_stmt.
224 * c-tree.h (check_for_loop_decls): New declaration.
226 2000-11-18 Neil Booth <neilb@earthling.net>
228 * cppinit.c: Update comments.
229 (cpp_reader_init): Make -imacro and -include use the standard
230 #include "" search path.
231 (do_includes): New function.
233 2000-11-18 Ben Elliston <bje@redhat.com>
235 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
236 out of a branch delay slot.
238 2000-11-17 Richard Henderson <rth@redhat.com>
240 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
241 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
242 (ASM_FILE_START): Only write out ecoff .file directive if
243 emitting mdebug debugging.
245 2000-11-17 Richard Henderson <rth@redhat.com>
247 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
248 whether as accepts .file/.loc and produces dwarf2 line info.
249 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
250 the assembler supports it.
251 * config.in, configure: Regenerate.
253 2000-11-17 Richard Henderson <rth@redhat.com>
255 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
257 2000-11-17 Jim Wilson <wilson@redhat.com>
259 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
260 Don't clear need_barrier is next_insn is a CALL_INSN, or has
261 instruction type B or UNKNOWN.
263 2000-11-17 Neil Booth <neilb@earthling.net>
265 * cpperror.c (print_file_and_line): Don't display line number if 0.
267 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
269 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
270 digit_vector and digit_string.
271 * stringpool.c (digit_vector): New.
272 (ggc_alloc_string): Use digit_string.
274 * stmt.c (digit_strings): Delete.
275 (init_stmt): Do not initialize digit_strings.
276 (expand_asm_operands): Use ggc.h's digit_string macro.
277 * toplev.c (mark_file_stack): Delete.
278 (compile_file): Don't call init_tree_codes.
279 (main): No need to make the file stack a GC root.
280 * tree.c (init_tree_codes): Delete.
281 * tree.h (init_tree_codes): Delete.
283 * c-lex.c: Don't include ggc.h.
284 (mark_splay_tree_node, mark_splay_tree): Delete.
285 (init_c_lex): No need to ggc_strdup string constant. Don't add
286 file_info_tree to GGC roots.
287 (cb_enter_file, cb_rename_file): No need to ggc_strdup
290 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
292 * dbxout.c (dbxout_init),
293 dwarf2out.c (dwarf2out_line),
294 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
295 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
296 xcoffout.c (xcoffout_source_file),
297 i386.c (load_pic_register):
298 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
300 * except.c (create_rethrow_ref),
301 profile.c (init_edge_profiler),
302 toplev.c (compile_file),
303 varasm.c (named_section, assemble_static_space,
304 assemble_trampoline_template, output_constant_def, force_const_mem),
305 i386.c (load_pic_register),
306 ia64.c (ia64_encode_section_info),
307 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
308 rs6000_emit_prologue, rs6000_emit_epilogue),
309 rs6000.md (load_toc_aix_si, load_toc_aix_di):
310 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
312 * profile.c (output_func_start_profiler),
314 i386.c (load_pic_register): No need to ggc_strdup string constant.
316 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
318 * Makefile.in (config.status): Depend on config.gcc.
319 * configure.in <for machine in $build $host $target>: Move
320 contents of loop into config.gcc, removing autoconf quoting.
321 Fix changequote bug for alpha*-*-vxworks*.
322 * configure: Regenerate.
325 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
327 * c-parse.in (if_prefix): Find the filename and line number at
328 $-2 and $-1 respectively.
329 * diagnostic.c (error_recursion): Add missing newline, use
330 fputs, translate string.
332 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
334 * stringpool.c: New file.
335 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
336 (ggc_alloc_string): Now in stringpool.o.
337 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
338 * ggc.h: Delete prototype of ggc_add_string_root. #define
339 ggc_add_string_root and ggc_mark_string to nothing. Prototype
340 init_stringpool and stringpool_statistics.
341 (ggc_alloc_string): Returns a const char *.
342 * tree.c (hash_table, do_identifier_warnings): Delete.
343 (init_obstacks): Don't initialize the identifier hash table.
344 (get_identifier, maybe_get_identifier, start_identifier_warnings,
345 set_identifier_size): Now in stringpool.c.
346 * tree.h (struct tree_string): Constify pointer field.
347 (approx_sqrt): Prototype.
349 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
351 * toplev.c (approx_sqrt): New function.
352 (compile_file): Call stringpool_statistics if mem_report is on.
353 (main): Call init_stringpool.
355 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
356 (process_directive), c-typeck.c (constructor_asmspec, struct
357 initializer_stack, start_init), except.c (create_rethrow_ref),
358 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
359 (built_in_filename), varasm,c (in_named_name,
360 assemble_static_space, struct constant_descriptor, struct
361 deferred_string, struct pool_constant, force_const_mem),
362 i386.c (pic_label_name, global_offset_table_name), rs6000.c
363 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
365 * c-common.c (combine_strings): Combine strings in scratch
366 buffer, then pass to build_string.
367 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
368 output_func_start_profiler), stmt.c (init_stmt), alpha.c
369 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
370 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
371 rs6000.c (rs6000_encode_section_info): Create string in
372 scratch buffer, then pass to ggc_alloc_string.
374 * stmt.c (expand_asm_operands): If we must adjust the
375 constraint strings, do so by creating a new one, not by
376 modifying the old one in place. Constify some char *s.
377 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
378 argument. Create string in scratch buffer, then pass to
380 * config/pa/pa-protos.h: Update prototype.
381 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
382 hppa_encode_label takes only one argument.
384 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
386 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
389 * cpplib.c (glue_header_name): Likewise.
391 * fixincl.c (run_compiles, start_fixer): Likewise.
393 * fixlib.c (load_file_data): Likewise.
395 * mkdeps.c (munge): Likewise.
397 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
399 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
400 trailing ';'. Fix formatting.
402 2000-11-16 Jim Wilson <wilson@redhat.com>
404 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
405 Shift masks left by one to avoid conflict.
407 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
410 2000-11-16 Nick Clifton <nickc@redhat.com>
412 * config/arm/arm.c (output_arm_prologue): Note nested functions.
413 (arm_expand_prologue): For nested functions preserve the
414 static chain register during stack frame creation.
416 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
417 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
418 with a stack frame there is a 4 byte gap between the arg
419 pointer and the hard frame pointer (used to preserve the
420 static chain register during stack frame creation).
422 2000-11-16 DJ Delorie <dj@redhat.com>
424 * rtl.c (read_rtx): Provide suitable names for unnamed
425 define_insn and define_insn_and_split patterns, based on file
428 2000-11-15 Neil Booth <neilb@earthling.net>
430 * cpplib.c (start_directive, end_directive): New functions.
431 (_cpp_handle_directive, run_directive): Use them.
432 (_cpp_handle_directive): Don't -Wtraditional on indented
434 (_cpp_push_buffer): Don't re-clear was_skipping.
435 * cpplib.h (struct cpp_reader): New member la_saved.
436 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
439 gcc.dg/cpp/_Pragma1.c: Update.
440 gcc.dg/cpp/_Pragma2.c: New test.
442 2000-11-15 Mark Mitchell <mark@codesourcery.com>
444 * toplev.c (wrapup_global_declarations): Don't write out
445 artificial static variables that aren't needed.
447 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
449 * ia64.c (struct group): New structure.
450 (last_group): New static array.
451 (group_idx): New static variable.
452 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
453 New static functions.
454 (emit_insn_group_barriers): Initialize and keep track of group_idx
456 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
457 Replace all calls to emit_insn_after that emit a group barrier to use
458 emit_group_barrier_after.
459 * ia64.h (MASK_B_STEP): New.
460 (other MASK_XXX macros): Renumbered.
461 (TARGET_B_STEP): New.
462 (TARGET_SWITCHES): Add -mb-step.
464 2000-11-15 Fred Fish <fnf@be.com>
466 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
467 machines for which fixincludes is not needed.
468 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
470 2000-11-15 Jason Merrill <jason@redhat.com>
472 * diagnostic.c (finish_abort): New fn.
473 (fancy_abort, error_recursion): Use it.
474 * toplev.c (crash_signal): Likewise.
475 * diagnostic.h: Declare it.
477 2000-11-13 Andrew Haley <aph@redhat.com>
479 * tree.c (build_type_no_quals): New function.
480 * tree.h (build_type_no_quals): Declare.
481 * c-common.c (c_get_alias_set): When considering type
482 compatibility for pointer types, ignore cv-qualifiers anywhere in
485 2000-11-15 Graham Stott <grahams@redhat.com>
487 * regrename.c (scan_rtx_rtx): Skip to the next chain on
488 encountering a terminated chain.
490 2000-11-14 Mark Mitchell <mark@codesourcery.com>
492 * configure.in: Move check for V3 above check for C++ header-file
494 * configure: Regenerated.
496 2000-11-14 DJ Delorie <dj@redhat.com>
498 * config/v850/v850.c: Remove obstacks.
500 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
502 * config/avr/avr.c (avr_case_values_threshold): New.
503 (avr_override_options): Set it depending on options, make it large
504 when not optimizing to work around "unable to generate reloads".
506 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
507 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
508 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
509 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
510 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
511 (avr_case_values_threshold): Declare as extern int.
512 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
514 * config/avr/avr.md (tablejump): Removed.
515 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
516 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
517 index in the table, not multiplied by 2.
518 (casesi): Change to match the above insns. Always enable.
520 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
521 Change to expect the word address of the table, multiply it by 2
522 here and not in the caller. Change "adiw" to faster "inc".
524 2000-11-14 Neil Booth <neilb@earthling.net>
526 * cppexp.c (parse_defined): Call cpp_get_token not
529 * cpplex.c (cpp_output_line): Similarly.
530 * cpplib.c (glue_header_name, do_line, do_ident,
531 parse_answer, parse_assertion): Similarly.
532 (_cpp_handle_diretive): Don't save to lookaheads
533 when processing directives.
534 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
536 (funlike_invocation_p): Don't save to lookaheads
537 when pre-expanding arguments.
538 (_cpp_get_token): Delete.
539 (cpp_get_token): Merge contents of _cpp_get_token.
541 2000-11-14 Jakub Jelinek <jakub@redhat.com>
543 * builtins.c (expand_builtin_setjmp): Set
544 current_function_calls_setjmp.
545 (expand_builtin_longjmp): Set current_function_calls_longjmp.
547 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
548 (do_builtin_setjmp_setup): New insn.
550 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
552 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
553 (int_fits_type_p): For variable bounds, call force_fit_type.
555 2000-11-14 Jakub Jelinek <jakub@redhat.com>
557 * varasm.c (struct deferred_string): New structure.
558 (const_str_htab): New variable.
559 (STRHASH): New macro.
560 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
561 constr_str_htab_eq, const_str_htab_del): New functions.
562 (output_constant_def): Add DEFER argument, defer string
563 constants until mark_constant_pool time if requested.
564 (mark_constant_pool): Walk the insn chain even if const_str_htab is
566 (mark_constants): If a SYMBOL_REF for deferred string is found,
567 output it and remove from hash table.
568 (output_addressed_constants): Set DEFER to 0 in call to
570 * rtl.h (STRING_POOL_ADDRESS_P): Define.
571 (output_constant_def): Adjust prototype.
572 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
574 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
576 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
577 signed types if flag_trapv.
579 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
581 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
584 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
586 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
588 2000-11-14 Jakub Jelinek <jakub@redhat.com>
590 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
591 to array of pool_constnat pointers.
592 (struct pool_constant): Add next_sym and label members.
593 (struct pool_sym): Remove.
594 (init_varasm_status): Change pool_sym into pool_constant.
595 (mark_pool_constant): Mark pc->label string as well.
596 (mark_pool_sym_hash_table): Remove.
597 (mark_varasm_status): Remove it from caller as well.
598 (free_varasm_status): Don't free pool_sym structures.
599 (force_const_mem): Don't allocate pool_sym structure, instead
600 fill pool->label and chain it into rtx_sym hash table.
601 (find_pool_constant, mark_constant_pool): Use pool_constant instead
604 2000-11-14 Jakub Jelinek <jakub@redhat.com>
606 * reload1.c (emit_input_reload_insns): Honour forcing of constants
607 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
609 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
611 * dominance.c: New file.
612 * Makefile.in (OBJS): Add dominance.o.
614 * flow.c (compute_flow_dominators): Remove.
615 (compute_immediate_dominators): Remove.
616 (compute_immediate_postdominators): Remove.
617 * basic-block.h: Remove their prototypes.
618 (calculate_dominance_info): Add prototype.
620 * dce.c (eliminate_dead_code): Change calls to above functions.
621 Don't compute dominators but only immediate dominators.
622 * flow.c (flow_loops_find): Change callers.
623 * gcse.c (compute_code_hoist_data): Likewise.
624 * haifa-sched.c (schedule_insns): Likewise.
625 * ifcvt.c (if_convert): Likewise.
626 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
629 2000-11-14 Richard Henderson <rth@redhat.com>
631 * stmt.c (warn_if_unused_value): Don't warn if the expression
634 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
635 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
637 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
639 * loop.c (basic_induction_var): Revert accidental checkin.
641 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
643 * c-lex.c (cb_leave_file): Harmonize conditions and order of
644 statements to those of process_directive for (action == act_pop).
646 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
648 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
651 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
653 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
656 2000-11-13 Neil Booth <neilb@earthling.net>
658 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
659 cases return without MI check.
660 * cpplib.c (do_diagnostic): Take boolean of whether to
661 print the directive name.
662 (do_error, do_warning): Update.
663 (do_pragma_dependency): Use it.
664 * cpplib.h (VARARGS_FIRST): Delete.
665 (struct cpp_token): Delete integer.
666 * cppmacro.c (enter_macro_context): Move disabled check
668 (_cpp_get_token): Simplify into a single loop.
670 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
672 * configure.in: Use 'test -f' not '[ -e'.
673 * configure: Regenerated.
675 2000-11-13 DJ Delorie <dj@redhat.com>
677 * config/mn10300/mn10300.md (store_movm): Note which registers are
678 really used or clobbered.
680 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
682 * c-parse.in (ends_in_label): Remove from %union and %type.
683 (decls, stmts, lineno_stmt_or_labels, xstmts,
684 lineno_stmt_or_label, stmt_or_label): Remove.
685 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
686 lineno_stmt_decl_or_labels_ending_decl,
687 lineno_stmt_decl_or_labels_ending_label,
688 lineno_stmt_decl_or_labels_ending_error,
689 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
690 lineno_stmt, lineno_label): New.
691 (compstmt_nostart): Use compstmt_contents_nonempty.
693 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
695 * c-common.c (boolean_increment): New function.
696 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
697 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
698 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
699 (boolean_increment): Declare.
700 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
701 * c-decl.c (init_decl_processing): Create boolean nodes.
702 (finish_struct): Allow for _Bool bitfields.
703 * c-parse.in (reswords): Add _Bool.
704 (rid_to_yy): Allow for RID_BOOL.
705 * c-typeck.c (default_conversion): Make booleans promote to int.
706 (convert_arguments, build_unary_op, build_modify_expr,
707 convert_for_assignment): Allow for booleans.
708 * ginclude/stdbool.h: Make conforming to C99.
710 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
712 * c-parse.in (c99_block_start, c99_block_end,
713 c99_block_lineno_labeled_stmt): New.
714 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
715 (stmt): Split off selection and iteration statements into...
716 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
718 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
720 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
723 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
725 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
726 Rewrite to avoid use of match_dup. Don't try to tie registers that
727 are not in the same mode.
729 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
731 * invoke.texi: Update lists of languages and suffixes supported.
733 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
735 * configure.in: Take toplevel configure arguments from the
736 environment to create configargs.h and substitute
737 gcc_config_arguments, taking account of any existing configargs.h
739 * configure: Regenerate.
740 * gccbug.in: Include toplevel configure arguments in gccbug.
742 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
744 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
745 union to make it well-aligned. Update all uses.
747 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
749 * c-parse.in (initelt): Give appropriate pedantic warnings,
750 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
752 (designator): If pedantic, pedwarn for a designator specifying a
754 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
756 * extend.texi: Document the C99 syntax as the preferred syntax,
757 and the pre-2.5 syntax as obsolete. Mention use of designator
758 lists for nested subobjects.
760 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
762 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
763 Add ATTRIBUTE_PRINTF.
764 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
765 Add ATTRIBUTE_PRINTF*.
767 2000-11-12 Mark Mitchell <mark@codesourcery.com>
769 * function.c (assign_parms): When calling put_var_into_stack, make
770 sure that there are no hidden pending sequences.
772 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
774 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
775 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
778 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
780 * c-common.c (c_common_nodes_and_builtins): Declare index and
781 rindex when nonansi builtins are allowed.
783 * extend.texi (index, rindex): Document new builtins.
785 2000-11-12 Mark Mitchell <mark@codesourcery.com>
787 * configure.in: Turn on libstdc++ V3 by default.
788 * configure: Regenerated.
790 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
792 2000-11-12 Jakub Jelinek <jakub@redhat.com>
794 * reload1.c (set_label_offsets): Go inside of PARALLELs.
796 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
798 * invoke.texi: Clean up option summary.
800 2000-11-12 Nick Clifton <nickc@redhat.com>
802 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
805 2000-11-12 Marc Espie <espie@openbsd.org>
807 * configure.in: Fix filds test.
810 2000-11-12 Mark Mitchell <mark@codesourcery.com>
812 * jump.c (delete_computation): Don't assume that just becuase an
813 instruction sets a register, that register is dead.
815 2000-11-12 Neil Booth <neilb@earthling.net>
817 * cppexp.c: Don't worry about pfile->skipping.
818 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
819 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
820 for handled directives.
821 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
822 and releasing lookaheads.
823 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
824 (do_else, do_elif, push_conditional): Update logic.
825 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
826 (unwind_if_stack): Inline into cpp_pop_buffer.
827 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
828 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
829 multiple-include optimisation.
830 * cpplib.h (struct cpp_buffer): New member was_skipping.
831 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
832 works because skipping == 0 in directives.
833 (_cpp_release_lookahead): Renamed from release_lookahead.
834 (cpp_get_token): No need to check skipping as _cpp_get_token does
835 this for us. No need to handle MI optimisation.
837 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
839 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
840 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
841 * fixinc/fixincl.x: Regenerated.
843 2000-11-11 Bruce Korb <bkorb@gnu.org>
845 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
846 (avoid_wchar_t_type): ditto
847 * fixinc/fixinc.irix: obsoleted
849 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
851 * configure.in: Don't add $outputs to all_lang_makefiles. Add
852 $srcdir/$s/Makefile.in if it exists.
853 * configure: Regenerate.
855 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
857 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
859 2000-11-11 Jason Merrill <jason@redhat.com>
861 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
862 give the parm a register and then call put_var_into_stack.
863 * stmt.c (expand_decl): Likewise.
865 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
867 * gcc.texi: Adjust wording.
869 2000-11-11 Mark Mitchell <mark@codesourcery.com>
871 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
872 * fininc/fixincl.x: Regenerated.
874 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
876 * invoke.texi: Correct spelling of -foptimize-register-move.
878 2000-11-11 Neil Booth <neilb@earthling.net>
880 Remove CPP_PLACEMARKERs.
882 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
883 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
884 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
886 * cpplib.h: Remove CPP_PLACEMARKER.
887 (struct lexer_state): Rename skip_newlines to next_bol.
888 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
889 Simplify prev_white handling as a result.
890 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
891 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
892 (parse_args): Similarly. Update argument count tests.
893 (enter_macro_context): Return 2 to indicate an empty macro.
894 (replace_args): Don't bother pre-expanding an empty argument.
895 Handle placemarkers and ## extension during pre-expansion.
896 (cpp_get_token): Handle empty macro expansions. Don't worry
897 about CPP_PLACEMARKERs.
898 (_cpp_create_definition): Empty macros are now empty.
899 (cpp_macro_defintion): Don't special case empty macros.
900 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
901 * c-lex.c: Similarly.
903 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
905 * gcc.texi, invoke.texi: Add new section discussing language
906 standards; link to it where appropriate; refer to ISO C instead of
909 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
911 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
914 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
917 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
919 * gcc.texi, gcov.texi: Update dates and version numbers.
921 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
923 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
924 flex and bison, specifically, first in a unified build and
925 then installed on the system.
926 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
927 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
930 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
931 cppdefault.o): Remove pointless sed munging of source file
934 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
936 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
937 for address reloads. Push replacements for REG_INC notes.
938 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
940 * reload1.c (choose_reload_regs): Registers set in the insn can't be
941 used for RELOAD_OTHER reloads.
943 2000-11-10 Mark Mitchell <mark@codesourcery.com>
945 * c-dump.h: New file.
947 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
949 * alpha.c (check_float_value): Use memcpy, not bcopy.
950 * arm.c (output_move_double): Likewise.
952 * m88k.c (legitimize_operand): Likewise.
953 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
955 * mips.c (override_options): Likewise.
957 * romp.c (output_fpops): Likewise.
958 * rs6000.c (rs6000_override_options): Likewise.
960 * vax.c (check_float_value): Likewise.
962 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
963 * expmed.c (synth_mult): Likewise.
964 * final.c (add_bb_string): Likewise.
965 * genattr.c (main): Likewise.
966 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
968 * jump.c (thread_jumps): Likewise.
969 * prefix.c (save_string): Likewise.
970 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
971 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
972 * reload1.c (reload, eliminate_regs): Likewise.
974 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
976 * gcc.texi (Service): Update to reflect current practice and
977 location of the GNU service directory.
979 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
981 * regrename.c (build_def_use): Mark contents of REG_INC notes as
984 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
985 a no-op move if regs are equal.
986 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
987 when calling jump after post-reload splitting.
989 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
991 * c-tree.texi: Fix typos.
992 * extend.texi: Likewise
993 * gcov.texi: Likewise
997 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
999 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1000 in_system_header and flags[1] before dereferencing flags[2].
1002 2000-11-09 Matthew Hiller <hiller@redhat.com>
1004 * reload1.c (reload_combine): Fixed calculation of
1005 first_index_reg, last_index_reg.
1007 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1009 * c-dump.c (dequeue_and_dump): Dump function bodies.
1011 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1012 (c-dump.o): New target.
1013 * c-common.h (flag_dump_translation_unit): New variable.
1014 (C_TYPE_QUALS): New macro.
1015 (strip_array_types): New function.
1016 (DECL_C_BIT_FIELD): New macro.
1017 (SET_DECL_C_BIT_FIELD): Likewise.
1018 (CLEAR_DECL_C_BIT_FIELD): Likewise.
1019 (dump_info_p): New typedef.
1020 (dump_tree_fn): Likewise.
1021 (lang_dump_tree): New variable.
1022 (dump_node_to_file): New function.
1023 * c-common.c (flag_dump_translation_unit): Define it.
1024 (strip_array_types): New function.
1025 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
1026 * c-lang.c (finish_file): Call dump_node_to_file if
1027 flag_dump_translation_unit.
1028 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
1029 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
1030 * c-dump.c: New file.
1032 2000-11-09 Christopher Faylor <cgf@cygnus.com>
1034 * config/i386/cygwin.h: Add mingw startfile prefix.
1036 2000-11-09 Richard Henderson <rth@redhat.com>
1038 * flow.c (invalidate_mems_from_set): Split out from ...
1039 (mark_set_1): ... here.
1040 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
1041 instead of turning insn into a NOTE_INSN_DELETED.
1043 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1045 * extend.texi, invoke.texi: Move documentation of builtin versions
1046 of C library functions to one place and update.
1048 2000-11-09 Richard Henderson <rth@redhat.com>
1050 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
1051 the types themselves to discover type equivalence.
1053 2000-11-09 Mike Stump <mrs@wrs.com>
1055 * Makefile.in (distclean): Remove a few extra leftovers.
1057 2000-11-09 Richard Henderson <rth@redhat.com>
1059 * recog.c (validate_replace_rtx_1): Consider subregs when
1060 replacing a register with a constant inside a sign/zero_extend.
1062 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1064 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
1066 * c-decl.c (finish_struct): When a structure is completed,
1067 check all its variant types for completeness.
1069 2000-11-09 Neil Booth <neilb@earthling.net>
1071 * cpphash.c: Move cpp_defined here from cpplib.c.
1072 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
1073 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
1074 * cppmacro.c (cpp_get_token): Update comments, no need now
1075 to catch the CPP_EOF meaning EOL case.
1077 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
1079 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
1080 is more than that provided, copy to a temporary.
1082 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
1084 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
1085 interpreting $out as a macro assignment.
1086 * Makefile.in (T_TARGET): New auxiliary macro and target.
1087 (all): Add a target right in the beginning, so that we don't build
1088 T_TARGET by default.
1090 2000-11-09 Graham Stott <grahams@redhat.com>
1092 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
1093 order for -mintel-syntax. Remove comment now that the operand
1094 order has been checked.
1095 (mmx_pextrw): Likewise.
1096 (mmx_pshufw): Likewise.
1098 2000-11-09 Jakub Jelinek <jakub@redhat.com>
1100 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
1101 (c_getstr): New function.
1102 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
1103 If both arguments are constant string, optimize out.
1104 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
1105 (expand_builtin_strpbrk): Use c_getstr, do nothing if
1106 -fcheck-memory-usage.
1107 (expand_builtin_fputs): Likewise.
1108 (expand_builtin_strcmp): Add MODE argument.
1109 Use even if !HAVE_cmpstrsi.
1110 Optimize the case when both arguments are constant strings.
1111 (expand_builtin): Adjust expand_builtin_strcmp caller.
1112 Call expand_builtin_strchr and expand_builtin_strrchr.
1113 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
1115 * builtins.def (BUILT_IN_STRRCHR): Add.
1117 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1119 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
1121 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
1123 * calls.c (expand_call, emit_library_call_value_1), collect2.c
1124 (scan_prog_file), config/a29k/a29k.c (print_operand),
1125 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
1126 instead of bcopy ().
1127 * real.h: Use memcmp () instead of bcmp ().
1128 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
1129 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
1130 ultrasparc_sched_init, ultrasparc_sched_reorder),
1131 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
1132 instead of bzero ().
1133 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
1134 instead of rindex ().
1135 * configure.in: Don't check for bzero, bcmp, index or rindex.
1136 * configure, config.in: Regenerate.
1137 * system.h: Don't include declarations for bzero, bcmp, index or
1139 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
1140 bzero, bcmp, index or rindex.
1142 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
1144 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
1145 include and library paths from -mcygwin case. Parameterize some
1146 declarations to avoid warnings. Use standard locations for include and
1149 2000-11-08 Nick Clifton <nickc@redhat.com>
1151 * config/arm/arm.md (mulsidi3adddi): Change output operand
1152 constraint from "=&" to "+&".
1153 (umulsidi3adddi): Change output operand constraint from "=&" to
1156 2000-11-08 Richard Henderson <rth@redhat.com>
1158 * flow.c (init_propagate_block_info): Protect the rtx stored in
1159 mem_set_list from modification by find_auto_inc.
1160 (mark_set_1): Likewise.
1162 2000-11-08 Neil Booth <neilb@earthling.net>
1164 Move directive handling into the lexer itself.
1166 * cpplex.c (_cpp_lex_token): Handle directives directly.
1167 In the case of a directive interrupting a function-like
1168 macro invocation, use extra_char since read_ahead is
1169 used to store the '#'. Return a CPP_EOF in this case.
1170 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
1171 (cpp_get_token): Don't handle directives here.
1172 * cpplib.h: Remove CPP_DHASH token type.
1174 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
1176 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
1177 formed using PRE_MODIFY too.
1179 2000-11-08 Mark Mitchell <mark@codesourcery.com>
1181 * c-tree.texi (VAR_DECL): Describe representation of GCC's
1182 extension for placing variables in particular registers.
1184 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
1185 unprototyped C functions with no parameters.
1187 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1189 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
1190 before passing to fprintf.
1192 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1194 * function.c (expand_function_start): Cast GET_MODE_SIZE to
1195 HOST_WIDE_INT before negating it.
1197 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1199 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
1200 passed in multiple non-contiguous locations.
1202 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1204 * README.gnat: Remove file.
1206 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
1208 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
1211 2000-11-07 Richard Henderson <rth@redhat.com>
1213 * dwarfout.c (INSN_LABEL_FMT): Remove.
1214 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1215 (dwarfout_label): Remove.
1216 * dwarfout.h: Remove it's prototype.
1217 * dwarf2out.c (INSN_LABEL_FMT): Remove.
1218 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1219 (dwarf2out_label): Remove.
1220 * dwarf2out.h: Remove it's prototype.
1221 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
1223 2000-11-07 Richard Henderson <rth@redhat.com>
1225 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
1226 search on the unwind region section.
1228 * config/ia64/ia64.md (movbi): Add r/r alternative.
1229 (cmovdi_internal_astep): Describe all combinations of register
1230 classes for sources & destinations; remove matching constraints.
1231 (cmovdi_internal): Likewise.
1233 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
1235 2000-11-07 Richard Henderson <rth@redhat.com>
1237 * c-lang.c (start_cdtor, finish_cdtor): New functions.
1238 (finish_file): Use them in building constructor/destructor functions.
1240 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
1241 LD_FINI_SWITCH): Move ...
1242 * config/alpha/osf.h: ... here.
1243 * config/alpha/alpha-interix.h: Don't undef them.
1245 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
1247 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
1248 included in libgcc.a.
1250 (dp-bit.c): Likewise.
1251 (fp-bit.c): Likewise.
1253 2000-11-07 Nick Clifton <nickc@redhat.com>
1255 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
1256 (INTERNAL_ASM_OP): Add missing tab.
1258 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1260 * alias.c (init_alias_analysis), calls.c (expand_call,
1261 emit_library_call_value_1), combine.c (init_reg_last_arrays),
1262 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
1263 (init_output_buffer, set_diagnostic_context), dwarf2out.c
1264 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
1265 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
1266 function.c (assign_parms), gcse.c (compute_can_copy,
1267 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
1268 compute_hash_table, compute_set_hash_table,
1269 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
1270 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
1271 clear_units, schedule_block), integrate.c (initialize_for_inline,
1272 expand_inline_function), jump.c (thread_jumps), local-alloc.c
1273 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
1274 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
1275 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
1276 record_reg_classes, allocate_reg_info), reload.c
1277 (get_secondary_mem, remove_address_replacements, find_reloads),
1278 reload1.c (reload, set_initial_label_offsets, finish_spills,
1279 reload_as_needed, choose_reload_regs_init,
1280 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
1281 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
1282 (rename_registers), stmt.c (expand_end_case), unroll.c
1283 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
1284 () instead of bzero ().
1286 2000-11-07 Neil Booth <neilb@earthling.net>
1288 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
1290 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1292 * c-common.c (combine_strings): Only warn about long strings for C.
1294 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
1296 * combine.c (distribute_notes): Fix typo in last change.
1298 2000-11-07 Geoff Keating <geoffk@redhat.com>
1300 * config/rs6000/rs6000.md (movdi_internal32+1): Use
1301 operand_subreg_force rather than gen_rtx_SUBREG.
1302 (movdi_internal32+2): Likewise.
1304 2000-11-07 Philip Blundell <philb@gnu.org>
1306 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
1307 * config/arm/linux-aout.h: Likewise.
1308 * configure: Regenerate.
1310 2000-11-07 Philipp Thomas <pthomas@suse.de>
1312 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
1313 accepted my the gettext maintainer.
1315 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1317 * builtins.c (expand_builtin_strpbrk): New function.
1318 (expand_builtin): Handle BUILT_IN_STRPBRK.
1320 * builtins.def (BUILT_IN_STRPBRK): New entry.
1322 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1325 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
1327 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
1328 * POTFILES.in: Add config/alpha/freebsd.h
1329 * configure.in: Add alpha*-freebsd support.
1330 * configure: Regenerate.
1332 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1334 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
1335 copy of ptr_type_node rather than ptr_type_node itself.
1337 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
1339 * combine.c (recog_for_combine): Allocate uninitialized vector with
1341 * recog.c (apply_change_group): Likewise.
1343 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
1345 * flow.c (verify_local_live_at_start): Back out last change.
1346 * combine.c (distribute_notes): When parts of a hard reg are
1347 neither set nor referenced in PLACE, search backwards for a
1348 place to put a REG_UNUSED note; if none found, ask for flow
1351 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
1353 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
1354 with (clobber (match_scratch...)).
1356 2000-11-06 Neil Booth <neilb@earthling.net>
1358 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
1361 2000-11-06 Neil Booth <neilb@earthling.net>
1363 * tradcpp.c (special_symbol): Assign an null string rather
1364 than writing to an unallocated buffer.
1366 2000-11-06 Neil Booth <neilb@earthling.net>
1368 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
1371 2000-11-06 Neil Booth <neilb@earthling.net>
1373 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
1374 tok.val.arg_no as appropriate.
1375 * cppexp.c (lex): Similarly.
1376 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
1377 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
1378 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
1379 cpp_macro_definition): Similarly.
1380 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
1382 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1384 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
1385 operands[1] is constant, calculate the sum and generate movdi.
1386 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
1387 (subsi3): Use SImode in call to arith_4096_operand.
1389 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1391 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
1392 adjust %o1, not %o0 if the return type is large structure.
1394 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1396 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
1397 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
1399 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
1401 * expmed.c (expand_divmod): For signed divide by 2, prefer
1402 a branch and fewer shifts if branches are very cheap.
1404 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
1406 * Makefile.in: Remove all targets related to building
1407 distributions and diffs, or INSTALL.
1408 * INSTALL, install1.texi: Remove.
1409 * configure.in: Remove mention of distdir.
1410 * configure: Regenerate.
1411 * objc/Make-lang.in: Remove mention of distdir.
1413 2000-11-04 Neil Booth <neilb@earthling.net>
1415 * cpp.texi: Update for _Pragma.
1417 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
1419 * gcc.texi (Contributing): Update URL for projects web page.
1421 2000-11-04 Neil Booth <neilb@earthling.net>
1423 * cpplex.c (parse_string): Don't allow multiline strings in
1424 #include family directives.
1426 2000-11-04 Neil Booth <neilb@earthling.net>
1428 * cpplib.c (do_line): Only warn pedantically if not reading
1431 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
1433 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
1436 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
1438 * builtins.c (expand_builtin_strlen): Remove unused mode
1440 * gcc.c (process_command): Remove unused variable.
1441 * fold-const.c: Include expr.h.
1442 * recog.c: Include reload.h.
1443 * Makefile.in (recog.o, fold-const.o): Update deps.
1445 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
1447 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
1449 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
1451 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
1453 (STARTFILE_SPEC): Likewise.
1454 (LINK_SPEC): Likewise.
1456 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1458 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
1459 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
1460 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
1462 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
1464 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
1465 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
1466 perm_calloc, get_identifier, maybe_get_identifier,
1467 real_value_from_int_cst, simple_cst_equal), varasm.c
1468 (assemble_name, assemble_real, immed_real_const_1,
1469 compare_constant_1, decode_rtx_const, output_constant_pool): Use
1470 strrchr () instead of rindex (). Use memcmp () instead of bcmp
1471 (). Use memcpy () instead of bcopy (). Use memset () instead of
1474 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
1476 * cppfiles.c (open_file): If already read, then don't reopen.
1477 Immediately close an empty file.
1479 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1481 * expr.h (fold_builtin): Move declaration...
1482 * tree.h (fold_builtin): ... here.
1484 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
1486 * flow.c (verify_local_live_at_start): Allow hard regs to die.
1488 2000-11-02 Neil Booth <neilb@earthling.net>
1491 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
1492 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
1493 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
1494 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
1495 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
1496 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
1497 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
1498 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
1499 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
1500 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
1501 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
1502 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
1503 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
1504 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
1505 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1506 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
1507 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
1508 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
1509 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
1510 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
1511 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
1512 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
1513 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
1514 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
1515 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
1516 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
1517 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
1518 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
1519 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
1520 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
1521 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
1522 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
1523 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
1524 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
1525 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
1526 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
1527 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
1528 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
1529 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
1530 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
1531 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
1532 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
1533 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
1534 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
1535 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
1536 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
1537 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
1538 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
1539 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
1540 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
1541 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
1542 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
1543 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
1544 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
1545 vax/vaxv.h, vax/vms.h, we32k/we32k.h
1547 Replace -A() with -A=, the new assertion syntax.
1549 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
1551 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
1553 In REG_DEAD handling: When handling parts of multi-hard-reg hard
1554 registers, increment the loop counter by the size of the parts;
1555 use recursion to handle individual parts.
1557 2000-11-02 Neil Booth <neilb@earthling.net>
1559 * configure.in: Make integrated CPP the default.
1560 * configure: Regenerate.
1562 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
1564 * reload.c (find_equiv_reg): Test all hard registers for membership
1565 in the requested class.
1567 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1569 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
1570 process_command, main), gcov.c (open_files, output_data), tlink.c
1571 (frob_extension, scan_linker_output), toplev.c
1572 (file_name_nondirectory): Use strchr () and strrchr () instead of
1573 index () and rindex ().
1575 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1577 * c-common.c (get_flag_spec, check_format_info_main,
1578 check_format_types): Use strchr () instead of index (). Compare
1579 against error_mark_node instead of comparing the TREE_CODE against
1582 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
1586 * c-lex.c (init_c_lex): Update cpp_start_read call.
1587 (cb_ident): Update for new callback prototype.
1588 (cb_def_pragma): Update for new cpp_get_token prototype.
1589 (c_lex): Similarly. Use cpp_get_line.
1591 * c-parse.in (finish_parse): Update for new cpp_finish
1594 * cp/lex.c (finish_parse): Similarly.
1596 2000-11-01 Geoff Keating <geoffk@cygnus.com>
1598 * machmode.def: Add V16QImode.
1600 2000-11-01 Richard Henderson <rth@redhat.com>
1602 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
1603 from rtl_for_decl_location.
1604 (add_location_or_const_value_attribute): Likewise.
1606 2000-11-01 Neil Booth <neilb@earthling.net>
1608 * cpplib.c (run_directive): Use correct line number for output
1609 of _Pragma. Remember any in-progress directive.
1611 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
1613 2000-11-01 Richard Henderson <rth@redhat.com>
1615 * stmt.c (expand_start_null_loop): Set continue_label.
1617 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1619 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
1620 (expand_builtin_constant_p): Move parts of the code into
1621 fold_builtin_constant_p.
1622 (expand_builtin_strlen): Move parts of the code into fold_builtin.
1623 * expr.h (fold_builtin): Declare.
1624 * fold-const.c (fold): Handle builtin calls.
1626 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
1628 2000-11-01 Richard Henderson <rth@redhat.com>
1630 * stmt.c (expand_start_null_loop): New.
1631 (expand_end_null_loop): New.
1632 * c-semantics.c (genrtl_do_stmt): Use them.
1633 * tree.h: Declare them.
1635 2000-11-01 Richard Henderson <rth@redhat.com>
1637 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
1639 2000-11-01 Neil Booth <neilb@earthling.net>
1641 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
1642 * cp/spew.c: Similarly.
1643 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
1644 * cppmacro.c (stringify_arg): Similarly.
1645 * cpplib.h (CPP_BACKSLASH): Delete.
1647 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1649 * builtins.c (expand_builtin_strstr): New function.
1650 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
1652 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
1654 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
1657 2000-10-31 Richard Henderson <rth@redhat.com>
1659 * config/i386/i386.c (fcmov_comparison_operator): Check for
1660 CCFPmode or CCFPUmode instead of CCmode.
1661 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
1662 unordered operations as well.
1664 2000-10-31 Richard Henderson <rth@redhat.com>
1666 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
1667 of integer_zero_node.
1669 2000-10-31 Richard Henderson <rth@redhat.com>
1671 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
1673 2000-10-31 Nick Clifton <nickc@redhat.com>
1675 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
1676 -fdata-sections to override the section attribute of a DECL.
1678 2000-10-31 Chris Demetriou <cgd@sibyte.com>
1680 * libgcc2.c (__shtab): Remove __shtab variable.
1681 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
1682 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
1685 2000-10-31 Jim Wilson <wilson@redhat.com>
1687 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
1688 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
1689 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
1690 instead of ASM_OUTPUT_INTERNAL_LABEL.
1691 (dwarf2out_end_block, dwarf2out_label): Likewise.
1692 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
1693 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
1695 2000-10-31 Richard Henderson <rth@redhat.com>
1697 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
1698 (size_of_locs): Set it.
1699 (output_loc_operands): Use it to compute branch displacement.
1700 (int_loc_descriptor): New.
1701 (mem_loc_descriptor): Dereference memory in the proper size.
1702 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
1703 (loc_descriptor_from_tree): New.
1704 (rtl_for_decl_location): Break out from ...
1705 (add_location_or_const_value_attribute): ... here.
1706 (add_bound_info): Use loc_descriptor_from_tree.
1708 2000-10-31 Neil Booth <neilb@earthling.net>
1710 * cpp.texi: Update for new command line assertion syntax.
1711 * cpplib.c (cpp_define): Simplify a bit.
1712 (cpp_assert, cpp_unassert): Use handle_assertion.
1713 (handle_assertion): New function; accept new command line
1715 * testsuite/gcc.dg/cpp/assert3.c: New tests.
1717 2000-10-31 Neil Booth <neilb@earthling.net>
1719 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
1720 undefined. Remove #ifdef check.
1721 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
1722 Define STDC_0_IN_SYSTEM_HEADERS to 1.
1724 2000-10-31 Jan Hubicka <jh@suse.cz>
1725 Jakub Jelinek <jakub@redhat.com>
1727 * config/i386/i386.h: Clarify CCNOmode description in comment.
1728 (EXTRA_CC_MODES): Remove CCRCmode.
1729 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
1730 (put_condition_code, ix86_match_ccmode): Likewise.
1731 (ix86_cc_mode): Likewise. Fix comment.
1732 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
1733 * config/i386/i386.md: Add unspec 12 description.
1734 (adddi3 split): Use unspec 12 instead of CCRCmode.
1735 (addsi3_carry_rc): Remove.
1736 (addsi3_cc, addqi3_cc): New patterns.
1737 (addsi_3): Swap operands, match CCZmode.
1738 (addsi_4): Rewritten.
1739 (addsi_5): Renamed from addsi_6.
1741 (addhi_3): Swap operands, match CCZmode.
1742 (addhi_4): Rewritten.
1743 (addhi_5): Renamed from addhi_6.
1745 (addqi_3): Swap operands, match CCZmode.
1746 (addqi_4): Rewritten.
1747 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
1748 (subsi3_carry_rc): Removed.
1749 (iorqi_3): Use =q constraint for clobber.
1750 (xorqi_cc_2): Likewise.
1751 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
1752 (x86_movsicc_0_m1_rc): Removed.
1753 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
1755 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
1757 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
1758 and decrement of complex types.
1760 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1762 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
1763 builtin fputs, ensure we still evaluate the stream in case it
1766 2000-10-31 Jakub Jelinek <jakub@redhat.com>
1768 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
1771 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
1773 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
1774 (fp_extended_operand, emit_fpscr_use): Likewise.
1775 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
1776 (fpul_operand): New function.
1777 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
1778 fp_extended_operand. Add fpul_operand.
1779 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
1780 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
1781 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
1782 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
1783 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
1784 (divdf3_i): Likewise.
1785 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
1786 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
1787 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
1788 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
1789 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
1791 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
1793 * config/i386/i386.c (ix86_init_builtins): Correct return type
1794 building v4hi_ftype_v4hi_int_int tree node.
1795 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
1796 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
1798 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
1800 (mmx__uavgv8qi3): Correct insn mnemonic.
1801 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
1802 (mmx_punpckhwd): Correct insn mnemonic.
1803 (mmx_punpckhdq): Likewise.
1804 (mmx_punpcklwd): Likewise.
1805 (mmx_punpckldq): Likewise.
1806 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
1807 Renumber case labels to match the _mm_prefetch constants defined in
1810 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
1811 if the splitter didn't emit new insns.
1812 Make sure we call cleanup_subreg_operands even when splitting the last
1813 insn in a basic block.
1815 * invoke.texi (Debugging Options): Describe -do.
1816 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
1817 (dump_file): Likewise.
1818 (rest_of_compilation): Split .greg dump into .greg and .postreload.
1820 2000-10-30 Neil Booth <neilb@earthling.net>
1822 * cppfiles.c (stack_include_file): Check for stacked contexts
1824 * cpphash.h (_cpp_do__Pragma): New prototype.
1825 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
1827 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
1828 escaped newlines if !(buffer->from_stage3).
1829 (_cpp_lex_token): Warn about missing newlines iff
1830 !buffer->from_stage3.
1832 * cpplib.c (get__Pragma_string, destringize,
1833 _cpp_do__Pragma): New functions.
1834 (run_directive): Set output_line for _Pragma to avoid line
1835 markers in output. Set from_stage3 and prevent macro expansion
1836 for _Pragma and command-line options. Check buffer exhaustion.
1837 (cpp_push_buffer): Don't check for stacked macro contexts, as
1838 this is perfectly legitimate for _Pragma. Move the check to
1839 stack_include_file instead. Set from_stage3 iff buffer is
1842 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
1843 unsigned. New boolean from_stage3.
1844 (struct spec_nodes): Add n__Pragma.
1846 * cppmacro.c (enter_macro_context): Flip sense of return value.
1847 (_cpp_get_token): Handle _Pragma operator.
1849 2000-10-30 Phil Edwards <pme@sources.redhat.com>
1851 * gcc.texi: The C++ standard isn't "draft" anymore.
1853 2000-10-30 Mark Mitchell <mark@codesourcery.com>
1855 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
1857 2000-10-29 Neil Booth <neilb@earthling.net>
1859 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
1861 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
1863 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
1864 fixinc/inclhack.def: Change comments mentioning C9X to refer to
1867 * invoke.texi: Document that -V will only work for very similar
1868 versions of driver and compiler.
1870 2000-10-29 Neil Booth <neilb@earthling.net>
1872 * cppmacro.c (_cpp_create_definition): Optimize the case of
1873 a macro defined to itself.
1875 2000-10-29 Neil Booth <neilb@earthling.net>
1877 * cpplex.c (save_comment): Don't store new lines in C++ comments.
1879 2000-10-29 Michael Hayes <mhayes@redhat.com>
1881 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
1883 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
1885 * cpphash.c (cpp_forall_identifiers): Add context variable
1886 for callback routine.
1887 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
1889 (main): Call cpp_forall_identifiers with null context.
1890 * cpplib.h (cpp_forall_identifiers): Update prototype.
1892 * cppmain.c: Make `parse_in' and `print' static.
1894 2000-10-28 Alan Modra <alan@linuxcare.com.au>
1896 * c-decl.c (finish_function): Clear c_function_name_declared_p.
1898 2000-10-28 Richard Henderson <rth@redhat.com>
1900 * regrename.c (scan_rtx_address): Frob action, not class,
1901 when trying to disable optimization.
1903 2000-10-28 Mark Mitchell <mark@codesourcery.com>
1905 * c-semantics.c (make_rtl_for_local_static): Don't clobber
1906 DECL_ASSEMBLER_NAME.
1908 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
1910 * configure.in: Determine and substitute gcc_version_full.
1911 * configure: Regenerate.
1912 * gccbug.in: Use it to give full version. Don't allow
1915 2000-10-28 Richard Henderson <rth@redhat.com>
1917 * recog.c (split_all_insns): Run cleanup_subreg_operands
1920 * regrename.c (regrename_optimize): Verify that all registers of
1921 a multiple register mode are available.
1922 (scan_rtx_address): Accept the mode of the address; all callers
1925 * cpplib.c (run_directive): Fix prototype.
1927 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
1929 * reload.c (find_reloads): Distinguish "wins" so that we know whether
1930 a given operand won because of a matching constraint or not; then use
1931 that information to compute goal_alternative_matched properly.
1932 * reload1.c (choose_reload_regs): Never set reload_override_in for an
1935 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
1936 accurate value for MULT.
1937 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
1938 2% or > 98% before using static branch prediction bits.
1940 2000-10-28 Neil Booth <neilb@earthling.net>
1944 * cpplib.c (struct answer): New.
1945 (struct if_stack): Use cpp_lexer_pos rather than line and col.
1946 Rename cmacro mi_cmacro.
1947 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
1948 IN_I): New directive and flags.
1949 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
1950 parse_answer, parse_assertion, find_answer): New functions.
1951 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
1952 (lex_macro_node): New function to replace parse_ifdef and
1955 (_cpp_handle_directive): New function, combines _cpp_check_directive
1956 and _cpp_check_linemarker.
1958 (do_define, do_undef, parse_include, do_include, do_import,
1959 do_include_next, read_line_number, do_line, do_ident, do_pragma,
1960 do_pragma_once, do_pragma_poison, do_pragma_dependency):
1961 Update for new token getting interface.
1963 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
1964 : Update for new multiple-include optimisation technique.
1965 (do_elif): Don't forget to invalidate controlling macros.
1967 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
1968 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
1969 Functions to handle assertions with the new token interface.
1970 (do_assert, do_unassert): Use them.
1972 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
1975 (_cpp_init_stacks): Register directive names. Don't register special
1978 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
1979 new position recording regime.
1980 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1981 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
1982 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
1983 (cpp_type2name): Move to cpplex.c.
1985 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
1986 (parse_defined): Update to handle new multiple include optimisation
1987 method. Remove poisoned identifier warning.
1988 (parse_assertion, TYPE_NAME): Delete.
1989 (lex): Update for multiple include optimisation, removal of
1990 CPP_DEFINED, to use _cpp_test_assertion for assertions and
1992 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
1993 (op_as_text): New function, to wrap cpp_token_as_text.
1995 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
1996 Update for MI optimisation.
1997 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
1998 segfault on diagnostic.
1999 (_cpp_compare_file_date): Take a token rather than 3 args.
2000 (cpp_read_file): Work correctly for zero-length files.
2002 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2003 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2004 (cpp_lookup): Place identifiers at front of identifier pool
2005 for _cpp_lookup_with_hash.
2006 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2007 the identifier pool. Commit the memory if not already in the
2010 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2011 Initialise various members of cpp_reader, memory pools, and the
2013 (cpp_printer_init): Delete.
2014 (cpp_cleanup): Update.
2015 (struct builtin, builtin_array, initialize_builtins): Update for new
2016 hashnode definition and builtin handling.
2017 (cpp_start_read, cpp_finish): Don't take or initialise a
2020 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
2021 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
2022 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
2023 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
2024 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
2025 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
2026 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
2027 struct toklist, struct cpp_context, struct specnodes,
2028 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
2029 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
2030 enum builtin_type, cpp_can_paste): New.
2031 (struct cpp_token): Delete line and col members.
2032 (struct cpp_buffer): New member output_lineno.
2033 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
2034 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
2035 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
2036 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
2037 base_context, context, directive, mi_state, mi_if_not_defined,
2038 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
2039 mlstring_pos, macro_buffer, macro_buffer_len.
2040 Delete members mls_line, mls_column, token_list, potential_control_macro,
2041 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
2042 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
2043 save_parameter_spellings, need_newline, .
2044 Change type of date, time and spec_nodes members.
2045 Change prototypes for include and ident callbacks.
2046 (struct cpp_hashnode): Change type of name. Remove union members
2047 expansion and code. Add members macro, operator and builtin.
2049 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
2050 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
2051 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
2052 cpp_stop_lookahead): New prototypes.
2053 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
2055 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
2056 Move from cpphash.h.
2058 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
2059 ufputs): Move to cpplib.h.
2060 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
2061 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
2062 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
2063 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
2064 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
2065 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
2066 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
2067 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
2068 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
2069 _cpp_parse_assertion, _cpp_find_answer): Delete.
2070 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
2071 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
2072 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
2073 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
2074 _cpp_handle_directive, DSC): New.
2075 (struct include_file): New member defined.
2077 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
2078 _cpp_compare_file_date): Update.
2079 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
2080 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
2081 _cpp_cleanup_hashtable.
2083 * Makefile.in: Remove cppoutput.c.
2085 * cppoutput.c: Delete
2087 * fixheader.c (read_scan_file): Update for new cpp_get_token
2089 (recognized_function): New argument LINE.
2091 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
2092 new cpp_get_token prototype.
2094 * scan.h (recognized_function): Update prototype.
2096 * po/POTFILES.in: Remove cppoutput.c.
2098 2000-10-27 Mark Mitchell <mark@codesourcery.com>
2100 * c-typeck.c (check_init_type_bitfields): Remove.
2101 (constructor_incremental): Likewise.
2102 (struct constructor_stack): Remove incremental bit.
2103 (struct initializer_stack): Likewise.
2104 (start_init): Don't play with constructor_incremental.
2105 (finish_init): Likewise.
2106 (really_start_incremental_init): Likewise.
2107 (push_init_level): Likewise.
2108 (pop_init_level): Likewise.
2109 (output_init_level): Likewise.
2110 (output_pending_init_elements): Likewise.
2112 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
2114 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
2115 Improve error messages. Correct parsing of
2116 #pragma pack(pop [,id]). Do not check the user-supplied
2117 alignment if we're popping.
2119 * gcc.dg/pack-test-1.c: New test case.
2120 * gcc.dg/pack-test-2.c: New test case.
2121 * gcc.dg/pack-test-1.h: New file.
2123 2000-10-27 Neil Booth <neilb@earthling.net>
2127 2000-10-27 Kelley Cook <kelley.cook@home.com>
2129 * invoke.texi: Document -mintel-syntax
2131 2000-10-27 Richard Henderson <rth@redhat.com>
2133 * invoke.texi: Document -frename-registers. Add it to -O3.
2134 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
2135 (enum dump_file_index, dump_file): Update order.
2136 (main): Set flag_rename_registers at -O3.
2138 2000-10-27 Richard Henderson <rth@redhat.com>
2140 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
2141 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
2142 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
2143 * config/alpha/alpha.md (call_osf_1): Use it.
2144 (call_value_osf_1): Likewise.
2146 * config/ia64/ia64.c: Revert 10-23 patch.
2147 (ia64_hard_regno_rename_ok): New.
2148 * config/ia64/ia64-protos.h: Declare it.
2149 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
2151 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
2152 Richard Henderson <rth@redhat.com>
2154 * regrename.c: Rewrite to handle multi-register modes and
2155 cond_exec instructions.
2156 * Makefile.in (regrename.o): Update dependancies.
2157 * recog.h (struct operand_alternative): Add is_address.
2158 * recog.c (preprocess_constraints) [case 'p']: Set it.
2160 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
2162 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
2163 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
2164 top level. Kill oldstyle_subdirs. Do not include
2165 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
2166 $outputs. Do not run configure.lang from config.status.
2167 Rearrange warning-flag logic to correspond to what the
2168 makefile wants. Put special vax stage1 options in
2169 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
2170 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
2171 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
2172 switch is given, nothing otherwise.
2173 * configure.lang: Delete.
2175 * Makefile.in: Expunge all traces of extra_c_objs,
2176 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
2177 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
2178 warning options via a three level scheme so that -pedantic and
2179 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
2180 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
2181 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
2182 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
2183 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
2184 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
2185 generation rules. Wrap all rules that change the current
2186 directory in parentheses; pmake doesn't spawn a new shell for
2187 each command. Expunge all references to $(P). When one
2188 command depends on another and they're run all at once, use &&
2189 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
2190 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
2193 * objc/Make-lang.in: Wrap all rules that change the current
2194 directory in parentheses. Expunge all references to $(P).
2195 When one command depends on another and they're run all at
2196 once, use && to separate them, not ;. Add OUTPUT_OPTION to
2197 all object-file generation rules. Delete obsolete variables.
2198 * objc/Makefile.in: Delete.
2200 2000-10-27 Jakub Jelinek <jakub@redhat.com>
2202 * calls.c (expand_call): If sibcall_failure is set during pass 1,
2203 clear tail_call_insns as well.
2205 2000-10-27 Nick Clifton <nickc@redhat.com>
2207 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
2210 2000-10-26 Richard Henderson <rth@redhat.com>
2212 * calls.c (expand_call): Supress sibcall if we have a
2213 BLKmode return in registers.
2215 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
2217 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
2220 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
2222 * tree.c (make_node, case 't'): Set alignment to that of
2224 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
2226 2000-10-25 Mark Mitchell <mark@codesourcery.com>
2228 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
2229 * configure.in (enable-libstdcxx-v3): Arrange to have
2230 HAVE_LIBSTDCXX_V3 substituted into the output files.
2232 2000-10-25 Richard Henderson <rth@redhat.com>
2234 * recog.c (constrain_operands): Initialize which_alternative
2235 before no alternatives early exit.
2237 * cse.c (find_comparison_args): Check that we can reverse a
2238 comparison if needed before accepting the substitution.
2240 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
2242 * simplify-rtx.c (simplify_relational_operation): Sign extend
2243 low words before sign extending to high words.
2245 2000-10-25 Nick Clifton <nickc@redhat.com>
2247 * config/mcore/mcore.c: Include config.h before system.h.
2249 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
2251 * config/mcore/mcore.md (return): Force function epilogue to
2252 always be generated to work around epilogue suppression bug in
2255 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
2257 * c-decl.c (grokdeclarator): Move warning for qualified void
2258 return types with -pedantic to when the function type is
2259 constructed. At -W, warn in general for qualified function return
2260 types, except for volatile void.
2261 * invoke.texi: Document this new warning at -W.
2263 2000-10-25 Neil Booth <neilb@earthling.net>
2265 * cpp.texi: Update with implementation-defined behavior and
2268 2000-10-25 Jakub Jelinek <jakub@redhat.com>
2270 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
2271 incomplete type force it into alias set 0.
2273 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
2275 * alias.c: Include basic-block.h.
2276 (loop_p): New function.
2277 (mark_constant_function): Use it.
2278 * Makefile.in (alias.o): Update dependencies.
2280 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2282 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
2285 2000-10-24 Jim Wilson <wilson@cygnus.com>
2287 * expmed.c (store_bit_field): Move integer pun code down after
2288 code that calls emit_move_insn for entire register move.
2289 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
2290 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
2292 2000-10-24 Richard Henderson <rth@cygnus.com>
2294 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
2295 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
2297 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2299 * gcse.c (cprop_insn): do not propagate constants into jump_insn
2300 for machines with CC0 more than once.
2302 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
2304 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
2305 pseudos just like memory.
2307 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
2309 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
2310 when deleting libcall sequence collapsed to a single instruction.
2312 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
2314 * expr.c (do_store_flag): Don't crash if either side of a
2315 comparison is error_mark_node.
2317 2000-10-24 Jakub Jelinek <jakub@redhat.com>
2319 * sibcall.c (purge_mem_unchanging_flag): New function.
2320 (optimize_sibling_and_tail_recursive_calls): Call it.
2322 2000-10-24 Philipp Thomas <pthomas@suse.de>
2324 * Makefile.in (check-po): New target for doing checks in the po
2325 subdir if all languages configured.
2326 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
2327 configure if NLS is enabled.
2328 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
2329 otherwise leave empty.
2330 * configure: Regenerate.
2332 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2334 * i386.c (print_operand): Handle new 'A' formatting code.
2335 387 opcodes need suffixes even with -mintel-syntax.
2336 Check for explicit size override (codes 'b', 'w' and 'k').
2337 (print_operand_address): Check if register prefix is needed when
2338 emitting `ds' segment override.
2339 * i386.h: Add comment about new 'A' formatting code.
2340 * i386.md (jump and call patterns): Emit absolute references using %A.
2342 2000-10-23 Richard Henderson <rth@cygnus.com>
2344 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
2345 output registers as fixed.
2346 (ia64_function_epilogue): Undo output fixation.
2348 2000-10-23 Richard Henderson <rth@cygnus.com>
2350 * config/alpha/alpha.md: Add names for all unnamed insns; use
2351 define_insn_and_split in some obvious places.
2353 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
2354 (zero_extendqisi2, zero_extendqidi2): Likewise.
2355 (zero_extendhisi2, zero_extendhidi2): Likewise.
2356 (abs splitters): Fix match_scratch operand number.
2357 (bcc_reverse): Swap pc & label instead of non-canonical compare.
2359 2000-10-23 Jim Wilson <wilson@cygnus.com>
2361 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
2363 * ia64.md (cmpsi_adjusted): Use %r3.
2364 (cmpdi_adjusted): Likewise.
2366 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2368 * config/i386/att.h (ASM_FILE_START): Define.
2370 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2372 * config/i386/linux.h (ASM_FILE_START): Define.
2374 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
2376 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
2377 since this (only) drags in a crt0.o reference that the .ld files
2380 2000-10-23 Geoff Keating <geoffk@cygnus.com>
2382 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
2383 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
2384 reloads just like an RELOAD_FOR_OUTPUT would.
2386 * local-alloc.c (update_equiv_regs): Add an abort(). When
2387 deleting or moving insns, update reg_equiv[regno].init_insns.
2389 2000-10-23 Mark Mitchell <mark@codesourcery.com>
2391 * c-tree.texi: Improve documentation for IF_STMTs and related
2392 conditional statements.
2394 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2396 * expr.c (do_preexpand_calls): Remove.
2397 (same_from_p): Don't use CALL_EXPR_RTL.
2398 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
2399 (preexpand_calls): Remove.
2400 * tree.c (first_rtl_op): Remove CALL_EXPR case.
2401 (unsave_expr_1): Likewise.
2402 * tree.def (CALL_EXPR): Give it only two slots.
2403 * tree.h (CALL_EXPR_RTL): Remove.
2405 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
2407 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
2408 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2411 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
2413 * calls.c (combine_pending_stack_adjustment_and_call): Don't
2414 adjust stack when unadjusted_alignment ends up as zero.
2416 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
2418 * fixinc/genfixes: Remove EGCS reference.
2419 * install.texi: Remove EGCS reference.
2420 * INSTALL: Regenerate.
2422 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2424 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
2426 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
2428 * diagnostic.c: Remove EGCS reference in comment.
2430 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2432 * loop.c (strength_reduce): Fix error in last change.
2434 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2436 * Makefile.in (SHLIB_NM_FLAGS): New.
2437 (libgcc.mk): Pass it.
2438 * mklibgcc.in (libgcc.map): Use it.
2440 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
2441 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
2443 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2445 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
2447 * sparc.c (load_pic_register): Delete unused varaible.
2449 * libgcc2.c (__addvsi3): Delete unused variable.
2451 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
2452 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
2453 __negvdi2): Prototype.
2455 * ssa.c (apply_delayed_renames): Avoid undefined operation.
2457 * toplev.c (display_target_options): Make static to match
2458 prototype. Delete empty declaration.
2460 2000-10-20 Tom Tromey <tromey@cygnus.com>
2462 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2463 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2465 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2467 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
2469 (expand_expr_unaligned, case ARRAY_REF): Check that index is
2470 a constant before comparing it; use tree_low_cst.
2471 * tree.c (save_expr): Set TREE_READONLY.
2472 (substitute_expr): Return inside of NON_LVALUE_EXPR.
2473 (build, build1): Set TREE_READONLY if all operands are.
2474 (build_index_type): If upper bound is a negative number, lower
2475 bound is zero and sizetype is unsigned, use upper bound of one and
2478 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2480 * gcc.c (process_command, main): Use "because" instead of
2481 "since" in error messages.
2483 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2485 * stor-layout.c (compute_record_mode): Use tree_low_cst.
2486 Don't use mode of field for record unless sizes are the same.
2487 (layout_type, case ARRAY_TYPE): Remove special bounds handling
2488 previously added for Ada; also change to using host_integerp
2491 * loop.c (strength_reduce): Show when new register made for
2492 giv is known to be a pointer and its aligment if so and known.
2493 (loop_dump_aux): Show VERBOSE parameter unused.
2495 * gcse.c (set_hash_table_size): Now unsigned.
2496 * sdbout.c (template_name_p): Add "const" to avoid warnings.
2497 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
2498 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
2499 (sdbout_end_epilogue): Remove variable NAME.
2500 * system.h (getopt): Add default definition.
2501 * config/alpha/alpha.c (print_operand): Don't continue processing
2502 after issuing error.
2503 (summarize_insn): Avoid use of UL in constant.
2505 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
2507 * fold-const.c (force_fit_type): Unsigned values can overflow
2508 if they are sizetype.
2509 (int_const_binop): Don't use cache if overflows.
2511 2000-10-20 Richard Henderson <rth@cygnus.com>
2513 * function.c (locate_and_pad_parm): Zero alignment_pad.
2515 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
2516 perform substitutions, and apply_change_group to see if it worked.
2518 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2520 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
2522 * combine.c (struct undo): Change int to unsigned int.
2523 (do_SUBST_INT): Args are unsigned int.
2524 (make_extraction, force_to_mode): Use proper type when forming mask.
2525 (make_field_assignment): Likewise.
2527 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
2529 * c-common.c (check_format_info_recurse): Extract string constant
2530 initializers from non-volatile constant arrays and check them as
2532 * c-typeck.c (decl_constant_value): Don't check pedantic or check
2533 for DECL_MODE (decl) != BLKmode.
2534 (decl_constant_value_for_broken_optimization): New function which
2535 includes these checks.
2536 (default_conversion, convert_for_assignment, digest_init): Use
2537 decl_constant_value_for_broken_optimization instead of
2538 decl_constant_value.
2540 2000-10-20 Mark Mitchell <mark@codesourcery.com>
2542 * tree.h (DECL_ALIGN_UNIT): New macro.
2544 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
2546 * config/avr/avr-protos.h (avr_output_bld): New.
2547 (out_shift_with_cnt): Add t_len argument.
2548 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
2549 (output_movqi, output_movhi, output_movsisf): Optimize loading
2550 any constant with exactly one bit set to NO_LD_REGS.
2551 (out_shift_with_cnt): Optimize output code for size or speed,
2552 depending on optimize_size. Handle small shift counts as well
2553 (if not hand-optimized in ?sh??i3_out). Shifts can be done
2554 with or without a scratch register, with help of __tmp_reg__
2555 or __zero_reg__ if necessary. Add T_LEN argument to pass the
2556 length of TEMPLATE in words, return total insn length in *LEN.
2557 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
2558 out_shift_with_cnt to work with the above change.
2559 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
2560 lshrsi3_out): Likewise. Optimize more known shift count cases.
2561 Remove cases already well optimized in out_shift_with_cnt.
2562 (avr_output_bld): New function.
2563 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
2564 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
2565 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
2566 Add reload_completed to insn condition - only for peepholes.
2567 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
2568 in a register or memory.
2569 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
2570 Do not require a scratch register.
2571 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
2572 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
2573 Optimize shifts by known count using a scratch register, but only
2574 if one is still available after register allocation.
2576 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2578 * t-vax: New file. Don't build modules from libgcc1.c.
2580 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
2582 * alias.c: (mark_constant_function): Don't check pure functions.
2583 Initialize and end alias analysis.
2584 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
2585 Don't make a special exception for recursion. Handle
2586 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
2587 unless it's volatile.
2589 * local-alloc.c (equivalence): New structure.
2590 (reg_equiv): Define.
2591 (contains_replace_regs): Remove array and use
2593 (memref_referenced_p): Likewise.
2594 (no_equiv): Likewise.
2595 (update_equiv_regs): Likewise.
2597 (equiv_init_varies_p,
2598 equiv_init_movable_p): New functions.
2599 (update_equiv_regs): Use them. Use rtx_varies_p
2600 instead of function_invariant_p. Process insns
2601 from end to beginning. Allow a REG_EQUIV insn
2602 within the same loop as a use to be moved, also
2603 allow it to be moved out of a loop. Update
2604 REG_DEAD notes when substituting into an insn.
2606 2000-10-19 Jim Wilson <wilson@cygnus.com>
2608 * c-decl.c (start_decl): Check for error_mark_node type before using
2610 (finish_decl): Likewise. Don't give an error if decl type is
2611 already error_mark_node.
2613 * haifa-sched.c (compute_trg_info): Add explanatory comments.
2614 New local update_blocks. Use update_blocks to remove duplicates
2615 when computing update blocks. Check for bblst_table overflow.
2616 (schedule_block): Add explanatory comment. Reduce bblst_size by
2618 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
2621 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2623 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
2625 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2627 * expmed.c: Minor corrections in comments.
2628 * invoke.texi: Added desciption for the new option -ftrapv.
2630 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2632 * libgcc2.c: Added the missing #endif.
2634 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2636 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
2638 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
2640 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
2641 Use smulv_optab for -ftrapv.
2642 (expand_mult_highpart): Use unsigned multiply.
2643 (expand_divmod): Special-case division by -1.
2644 For EXACT_DIV_EXPR, do right shift first, then the multiply.
2645 For complex divide, use abs with unsigned result.
2646 * expr.c (force_operand): Use unsigned multiply.
2647 (expand_expr): Use overflow-trapping optabs for signed types if
2649 If flag_trapv, don't generate a recursive call with EXPAND_SUM
2650 if the type is signed and the original call wasn't EXPAND_SUM or
2652 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
2653 (negv_optab, absv_optab): Declare.
2654 * flags.h (flag_trapv): Declare.
2655 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
2656 smulv_optab, sdivv_optab, negv_optab and absv_optab.
2657 (gen_insn): Interpret '$P' as requiring an integer mode,
2658 including partial integer modes.
2659 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
2660 (product_cheap_p): Use unsigned expand_mult.
2661 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
2662 (negv_optab, absv_optab): Define.
2663 (expand_binop): Use overflow-trapping optabs for signed types if
2665 Handle negv_optab libe neg_optab.
2666 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
2667 Use overflow-trapping optabs for signed result if flag_trapv.
2668 (expand_complex_abs): Use overflow-trapping optabs for signed types if
2670 Don't open-code complex absolute-value operation for flag_trapv.
2671 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
2672 sdivv_optab, negv_optab and absv_optab.
2673 * toplev.c (flag_trapv): Define.
2674 (lang_independent_options f_options): Include flag_trapv.
2675 * tree.h (TYPE_TRAP_SIGNED): Define.
2676 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
2677 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2679 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
2680 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
2682 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
2683 David V. Henkel-Wallace <gumby@cygnus.com>
2685 * config/i386/t-netware: Bring in from the Red Hat tree.
2686 * config/i386/netware.h: Likewise.
2687 * config/netware.h: Likewise.
2688 * config/rs6000/netware.h: Delete.
2689 * configure.in: Add i[34567]86-*-netware.
2690 * configure: Hand-edit to match configure.in change.
2692 2000-10-18 Mark Mitchell <mark@codesourcery.com>
2694 * c-common.h (flag_no_builtin): Declare.
2695 (flag_no_nonansi_builtin): Likewise.
2696 (c_common_nodes_and_builtins): Change prototype.
2697 * c-common.c (flag_no_builtin): New variable.
2698 (flag_no_nonansi_builtin): Likewise.
2699 (c_common_nodes_and_builtins): Remove parameters. Adjust
2701 * c-decl.c (flag_no_builtin): Remove.
2702 (flag_no_nonansi_builtin): Likewise.
2703 (init_decl_processing): Adjust call to
2704 c_common_nodes_and_builtins.
2706 2000-10-18 Marc Espie <espie@openbsd.org>
2708 * tm.texi (LIBGCC_SPEC): Synch with reality.
2710 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2712 * c-common.c (check_format_types): Check for writing through a
2713 NULL pointer argument.
2715 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
2717 * tm.texi (Exception Region Output): Document
2718 DWARF_CIE_DATA_ALIGNMENT.
2719 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
2721 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
2722 DWARF_CIE_DATA_ALIGNMENT.
2724 2000-10-18 Michael Hayes <mhayes@cygnus.com>
2726 * basic-block.h (struct loop): Delete fields pre_header_root
2727 and pre_header_trace and replace with pre_header_edges
2728 and num_pre_header_edges.
2729 * flow.c (flow_loop_dump): Dump pre_header_edges.
2730 (flow_loops_free): Free pre_header_edges.
2731 (flow_loop_pre_header_scan): Calculate pre_header_edges.
2733 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2735 * contrib.texi: Update references to steering committee members
2736 and Jeff Law's entry.
2738 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2740 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
2741 (maybe_read_dollar_number, check_format_info_main): Use them for
2742 pedantic warning messages.
2744 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2746 * c-common.c (check_format_info_main): Minor cleanup: move
2747 variables into inner scopes; initialize declarations where
2748 appropriate; don't hardcode "scanf" name on warning for zero
2751 2000-10-17 Mark Mitchell <mark@codesourcery.com>
2753 * c-common.c (back_end_hook): New variable.
2754 * c-common.h (back_end_hook): Declare it.
2755 * c-lang.c (finish_file): Use it.
2757 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
2760 2000-10-18 Jan Hubicka <jh@suse.cz>
2762 * i386.c (ix86_comparison_operator, put_condition_code,
2763 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
2764 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
2765 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
2766 * i386.md (adddi and negdi splitter): Use CCRCmode.
2767 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
2768 (subsi3_carry): add '*'
2769 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
2770 (cmp to add peep2): Use CCRCmode; swap operands.
2772 2000-10-18 Kazu Hirata <kazu@hxi.com>
2774 * h8300.c: Fix a comment typo.
2775 (round_frame_size): New.
2776 (compute_saved_regs): Likewise.
2779 (push_order): Remove.
2780 (pop_order): Likewise.
2781 (function_prologue): Rearrange code for readability.
2782 (function_epilogue): Likewise.
2784 * config/h8300/h8300.md: Remove an unnecessary sign_extend
2785 expander that is used when not optimizing. Output a tab after
2786 each assembly insns.
2788 * reorg.c: Fix formatting.
2790 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
2792 * reload1.c (move2add_note_store): Check for simple
2793 auto-inc in destination.
2795 2000-10-17 Michael Chastain <chastain@redhat.com>
2797 * config/i386/i386-aout.h: define INT_ASM_OP.
2799 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
2801 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
2803 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
2805 * i370.md: Fix spelling typo.
2807 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2809 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
2810 Fixes execute/20001017-1.c on powerpc-linux-gnu.
2812 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
2813 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
2816 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
2817 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
2819 * rs6000/aix.h: ...to here.
2820 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
2822 2000-10-17 Jakub Jelinek <jakub@redhat.com>
2824 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
2826 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
2827 sure linker can relax even the delay slot mov %g1,%o7, fix output
2830 2000-10-17 Kazu Hirata <kazu@hxi.com>
2832 * config/h8300/h8300.md: Remove an unnecessary zero_extend
2833 expander that is used when not optimizing. Output a tab after
2834 each assembly insns.
2836 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
2838 * gcc.c: New options --target-help.
2839 (process_command): Added code to parse this new option.
2840 * toplev.c (display_target_options): New function to support the
2842 * cppinit.c (new_pending_directive) : New option OPT_target__help.
2843 (cpp_handle_option): Support this new option.
2844 * invoke.texi: Added notes about --target-help option.
2846 2000-10-17 Graham Stott <grahams@redhat.com>
2848 * config/i386/i386.md (testqi_1): Add missing operand prefix
2850 * config/i386/i386-protos.h: Add missing prototype.
2852 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
2854 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
2855 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
2856 using -mintel-syntax.
2858 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
2860 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
2861 (format_types): Use it for printf.
2862 (maybe_read_dollar_number): Add parameter for the kind of format
2863 involved. Warn for multiple use for arguments if this is
2864 inappropriate for the kind of format involved.
2865 (check_format_info_main): Update calls to maybe_read_dollar_number.
2867 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2869 * inclhack.def (hpux_maxint): Also apply fix to values.h.
2870 * fixincl.x: Rebuilt.
2872 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
2874 * genrecog.c (write_switch): Return the first condition that needs a
2877 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
2879 * c-tree.h (warn_sequence_point): Move declaration to...
2880 * c-common.h (warn_sequence_point): ... here.
2881 * c-decl.c (warn_sequence_point): Move definition to...
2882 * c-common.c (warn_sequence_point): ... here.
2883 (struct reverse_tree): New.
2884 (reverse_list, reverse_max_depth): New static variables.
2885 (build_reverse_tree, common_ancestor, modify_ok
2886 verify_sequence_points): New functions.
2887 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
2888 * c-typeck.c (check_modify_expr): Delete.
2889 (build_modify_expr): Don't call it.
2891 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
2893 * c-common.h (warn_missing_format_attribute): New variable.
2894 * c-decl.c (warn_missing_format_attribute): New variable.
2895 (c_decode_option): Decode -Wmissing-format-attribute and
2896 -Wno-missing-format-attribute.
2897 * c-common.c (check_function_format): If
2898 -Wmissing-format-attribute, give a warning where a vprintf or
2899 vscanf function is called by a function without its own printf or
2901 * toplev.c (documented_lang_options): Add
2902 -Wmissing-format-attribute.
2903 * invoke.texi: Document -Wmissing-format-attribute.
2905 2000-10-17 Marc Espie <espie@openbsd.org>
2907 * invoke.texi (-shared): Insist on requiring code generation flags
2908 to be used along with -shared, and document the subtle failure that
2909 may occur otherwise.
2911 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2913 * pa.md (return_internal): Move `use' after `return'.
2915 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2917 * machmode.def: Correct comment.
2919 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
2921 * print-rtl.c (print_rtx_head): Constify.
2922 * rtl.h (print_rtx_head): Similarly.
2924 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
2925 Constify char * return value.
2927 (output_64bit_and, output_64bit_ior): Constify char * return value.
2928 (pa_can_combine_p): Make static.
2929 (function_arg): Decorate unused `named' argument. Fix comment typo.
2930 (function_arg_partial_nregs): Decorate unused `named' argument.
2932 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
2934 * c-common.c (format_check_results): New structure.
2935 (finish_dollar_format_checking): Adjust to take a
2936 format_check_results * parameter.
2937 (check_format_info, check_format_info_recurse,
2938 check_format_info_main): Split check_format_info into three
2939 functions, the main checking going in check_format_info_main.
2940 Recurse when any reduction of the format string argument towards a
2941 string literal is done; go down both branches of a conditional
2942 expression. Don't warn for extra format arguments or empty format
2943 strings if they only occur in some branches of a conditional
2946 2000-10-16 Kazu Hirata <kazu@hxi.com>
2948 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
2950 2000-10-16 Jakub Jelinek <jakub@redhat.com>
2952 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
2954 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
2956 * i386.md (*movsi_or): Switch operand order for intel syntax.
2958 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
2962 * gcc.texi (Contributing): Update.
2964 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
2966 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
2967 appropriate assembler dialect.
2969 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
2971 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
2973 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
2975 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
2976 constants 1 and 2 to NO_LD_REGS.
2978 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2980 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
2982 * objc/Make-lang.in (objc-parse.c): Likewise.
2984 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
2986 * arm.c: Include obstack.h
2987 (minipool_obstack, minipool_startobj): Define.
2988 (arm_add_gc_roots): Initialize them.
2989 (create_fix_barrier): Use our new obstack.
2990 (push_minipool_barrier, push_minipool_fix): Likewise.
2991 (arm_reorg): Release obstack memory.
2993 2000-10-13 Jakub Jelinek <jakub@redhat.com>
2995 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
2996 (prologue, exception_receiver, builtin_setjmp_receiver): New
2998 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
2999 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3000 (load_pic_register): New prototype.
3001 * config/sparc/sparc.c (pic_setup_code): Remove.
3002 (finalize_pic): Rename to...
3003 (load_pic_register): ...this function.
3004 Don't look for nonlocal_goto_receivers and emit pic setup code
3005 directly. Don't check current_function_uses_pic_offset_table.
3007 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3009 * tree.h (struct obstack): Declare.
3011 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3014 * Makefile.in (ggc-callbacks.o): Remove target.
3015 (flow.o): Depend on GGC_H.
3016 * alias.c (init_alias_analysis):
3017 Remove ggc_p conditionals.
3018 (end_alias_analysis): Likewise.
3019 * basic-block.h (init_flow): New function.
3020 (allocate_reg_life_data): Declare.
3021 * bb-reorder.c (function_obstack): Replace with ...
3022 (flow_obstack): ... new variable.
3023 (fixup_reorder_chain): Use it.
3024 * c-decl.c (ggc_p): Remove.
3025 (caller-save.c): Don't call oballoc/obfree.
3027 undobuf): Remove storage.
3028 (try_combine): Don't call oballoc.
3029 (undo_all): Don't call obfree.
3030 * cse.c (insert): Use xmalloc, not
3032 (cse_main): Adjust accordingly.
3033 * dwarf2out.c (save_rtx): Remove
3035 (dwarf2out_init): Remove ggc_p conditionals.
3036 * emit-rtl.c (rtl_obstack): Remove.
3037 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
3038 (make_insn_raw): Likewise.
3039 (emit_insn_before): Likewise.
3040 (emit_insn_after): Likewise.
3041 (emit_insn): Likewise.
3042 (gen_sequence): Likewise.
3043 (copy_insn_1): Remove handling of `b' RTL components.
3044 (init_emit_once): Remove ggc_p conditionals.
3045 * except.c (create_rethrow_ref): Don't fool with obstacks.
3046 (add_partial_entry): Likewise.
3047 (call_get_eh_context): Likewise.
3048 (begin_protect_partials): Likewise.
3049 (protect_with_terminate): Likewise.
3051 (plus_constant_wide): Likewise.
3052 * expr.c (init_expr_once):
3054 (emit_block_move): Likewise.
3055 (clear_storage): Likewise.
3056 (expand_expr): Likewise.
3057 * flow.c (function_obstack): Remove.
3058 (flow_obstack): New variable.
3059 (flow_firstobj): Likewise.
3060 (create_base_block): Use the flow_obstack.
3061 (split_block): Likewise.
3062 (split_edge): Likewise.
3063 (calculate_global_regs_live): Likewise.
3064 (allocate_bb_life_data): Make it static. Likewiwse.
3065 (init_flow): New function.
3066 (size_int_type_wide): Remove ggc_p conditionals.
3068 (push_function_context_to): Don't call save_tree_status.
3069 (pop_function_context_from): Or restore_tree_status.
3070 (assign_stack_local_1): Don't call push_obstacks.
3071 (find_fixup_replacement): Use xmalloc.
3072 (fixup_var_refs_insns): Free the storage.
3073 (insns_for_mem_walk): Don't mess with obstacks.
3074 (instantiate_decls): Likewise.
3075 (trampoline_address): Likewise.
3076 (expand_function_end): Likewise.
3077 * function.h (sturct function):
3078 Remove obstack-related variables.
3079 (save_tree_status): Don't declare.
3080 (restore_tree_status): Likewise.
3081 * gcse.c (compute_can_copy):
3082 Don't call oballoc/obfree.
3083 * genattrtab.c (operate_exp): Remove
3085 (simplify_cond): Likewise.
3086 (simplify_test_exp): Don't mess with obstacks.
3087 (optimize_attrs): Likewise.
3088 * gengenrtl.c (gendef): Don't include
3090 * ggc-callbacks.c (ggc_p): Remove.
3091 * ggc-none.c (ggc_p): Remove.
3092 * ggc.h (ggc_p): Don't declare.
3093 * integrate.c (save_for_inline): Don't mess with obstacks.
3094 (integrate_decl_tree): Likewise.
3095 (output_inline_function): Likewise.
3097 (init_EXPR_INSN_LIST_cache): Likewise.
3098 * loop.c (temp_obstack):
3100 (rtl_obstack): Likewise.
3101 (init_loop): Don't mess with obstacks.
3102 (reg_address_cost): Free BIVs and GIVs.
3103 (check_insns_for_bivs): Use xmalloc, not oballoc.
3104 (find_mem_givs): Likewise.
3105 (record_biv): Likewise.
3106 (general_induction_var): Likewise.
3107 (product_cheap_p): Likewse.
3108 * optabs.c (init_one_libfunc): Remove
3110 * print-tree.c (debug_tree): Don't use
3112 (print_node): Likewise.
3113 * profile.c (output_func_start_profiler):
3114 Remove call to temporary_allocation.
3116 (eliminate_regs_in_insn): Don't mess with obstacks.
3118 (mark_target_live_regs): Use xmalloc.
3119 (free_resource_info): Free the memory.
3120 * rtl.c (rtl_obstack):
3122 (rtvec_alloc): Don't mess with obstacks.
3123 (rtx_alloc): Likewise.
3125 (copy_rtx): Don't handle `b' cases.
3126 (read_rtx): Use a local rtl_obstack.
3127 * rtl.h (oballoc): Remove.
3129 (pop_obstacks): Likewise.
3130 (push_obstacks): Likewise.
3131 (allocate_bb_life_data): Likewise.
3132 (allocate_reg_life_data): Likewise.
3133 (rtx_free): Likewise.
3134 * sdbout.c (sdbout_queue_anonymous_type):
3135 Use tree_cons, not saveable_tree_cons.
3137 (cselib_init): Don't mess with obstacks.
3139 (mark_block_nesting): Mark the label_chain.
3140 (epxand_label): Use ggc_alloc, not oballoc.
3141 (clear_last_expr): Don't mess with obstacks.
3142 (expand_decl_cleanup): Likewise.
3143 (expand_dcc_cleanup): Likewise.
3144 (expand_dhc_cleanup): Likewise.
3145 (expand_anon_union_decl): Likewise.
3146 (add_case_node): Use xmalloc, not oballoc.
3147 (free_case_nodes): New function.
3148 (expand_end_case): Call it.
3149 * stor-layout.c (layout_type): Don't
3151 (layout_type): Likewise.
3152 * toplev.c (wrapup_global_declarations):
3154 (compile_file): Remove ggc_p conditionals.
3155 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
3156 (decode_f_option): Remove ggc_p conditionals.
3158 (function_maybepermanent_obstack): Remove.
3159 (maybepermanent_obstack): Likewise.
3160 (function_obstack): Likewise.
3161 (tmeporary_obstack): Likewise.
3162 (momentary_obstack): Likewise.
3163 (temp_decl_obstack): Likewise.
3164 (saveable_obstack): Likewise.
3165 (rtl_obstack): Likewise.
3166 (current_obstack): Likewise.
3167 (expression_obstack): Likewise.
3168 (struct obstack_stack): Likewise.
3169 (obstack_stack): Likewise.
3170 (obstack_stack_obstack): Likewise.
3171 (maybepermanent_firstobj): Likewise.
3172 (temporary_firstobj): Likewise.
3173 (momentary_firstobj): Likewise.
3174 (temp_decl_firstobj): Likewise.
3175 (momentary_function_firstobj): Likewise.
3176 (all_types_permanent): Likewise.
3177 (struct momentary_level): Likewise.
3178 (momentary_stack): Likewise.
3179 (init_obstacks): Remove initialization of removed obstacks.
3180 (save_tree_status): Remove.
3181 (restore_tree_status): Likewise.
3182 (temporary_allocation): Liekwise.
3183 (end_temporary_allocation): Liekwise.
3184 (resume_temporary_allocation): Likewise.
3185 (saveable_allocation): Likewise.
3186 (push_obstacks): Likewise.
3187 (push_obstacks_nochange): Likewise.
3188 (pop_obstacks): Likewise.
3189 (allocation_temporary_p): Likewise.
3190 (permanent_allocation): Likewise.
3191 (preserve_data): Likewise.
3192 (preserve_initializer): Likewise.
3193 (rtl_in_current_obstack): Likewise.
3194 (rtl_in_saveable_obstack): Likewise.
3195 (oballoc): Likewise.
3197 (savealloc): Likewise.
3198 (expralloc): Likewise.
3199 (print_obstack_name): Likewise.
3200 (debug_obstack): Likewise.
3201 (object_permanent_p): Likewise.
3202 (push_momentary): Likewise.
3203 (perserve_momentary): Likewise.
3204 (clear_momentary): Likewise.
3205 (pop_momentary): Likewise.
3206 (pop_momentary_nofree): Likewise.
3207 (suspend_momentary): Likewise.
3208 (resume_momentary): Likewise.
3209 (make_node): Don't set TREE_PERMANENT.
3210 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
3211 Don't set TREE_PERMANENT.
3212 (get_identifier): Remove ggc_p conditionals.
3213 (build_string): Likewise.
3214 (make_tree_vec): Likewise.
3215 (build_decl_list): Remove.
3216 (build_expr_list): Likewise.
3217 (tree_cons): Remove ggc_p conditionals.
3218 (decl_tree_cons): Remove.
3219 (expr_tree_cons): Likewise.
3220 (perm_tree_cons): Likewise.
3221 (temp_tree_cons): Likewise.
3222 (saveable_tree_cons): Likewise.
3223 (build1): Remove ggc_p conditionals.
3224 (build_parse_node): Likewise.
3225 (build_type_attribute_variant): Don't mess with obstacks.
3226 (build_type_copy): Likewise.
3227 (type_hash_canon): Likewise.
3228 (build_pointer_type): Likewise.
3229 (build_reference_type): Likewise.
3230 (build_index_type): Likewise.
3231 (build_range_type): Likewise.
3232 (dump_tree_statistics): Don't print obstack information.
3234 (struct tree_common): Remove permanent_flag.
3235 (TREE_PERMANENT): Remove.
3236 (TREE_SET_PERMANENT): Likewise.
3237 (TYPE_OBSTACK): Likewise.
3238 (struct tree_type): Remove obstack.
3240 (savealloc): Likewise.
3241 (build_decl_list): Likewise.
3242 (build_expr_list): Likewise.
3243 (perm_tree_cons): Likewise.
3244 (temp_tree_cons): Likewise.
3245 (saveable_tree_cons): Likewise.
3246 (decl_tree_cons): Likewise.
3247 (expr_tree_cons): Likewise.
3248 (suspend_momentary): Likewise.
3249 (allocation_temporary_p): Likewise.
3250 (resume_momentary): Likewise.
3251 (push_obstacks_nochange): Likewise.
3252 (permanent_allocation): Likewise.
3253 (push_momentary): Likewise.
3254 (clear_momentary): Likewise.
3255 (pop_momentary): Likewise.
3256 (end_temporary_allocation): Likewise.
3257 (pop_obstacks): Likewise.
3258 (push_obstacks): Likewise.
3259 (pop_momentary_nofree): LIkewise.
3260 (preserve_momentary): Likewise.
3261 (saveable_allocation): Likewise.
3262 (temporary_allocation): Likewise.
3263 (resume_temporary_allocation): Likewise.
3264 (perserve_initializer): Likewise.
3265 (debug_obstack): Likewise.
3266 (rtl_in_current_obstack): Likewise.
3267 (rtl_in_saveable_obstack): Likewise.
3269 * varasm.c (current_obstack): Remove.
3270 (saveable_obstack): Remove.
3271 (rtl_obstack): Remove.
3272 (immed_double_const): Don't mess with obstacks.
3273 (immed_real_cons): Likewise.
3274 (output_constant_def): Likewise.
3275 (init_varasm_status): Use xcalloc.
3276 (mark_pool_constant): Mark the pool constant itself.
3277 (free_varasm_status): Free memory.
3278 (decode_rtx_const): Call bzero directly, rather than expanding it
3280 (record_rtx_const): Don't mess with obstacks.
3281 (force_const_mem): Likewise.
3282 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
3284 (aof_pic_entry): Likewise.
3285 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
3286 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
3287 * config/pa/pa.c (saveable_obstack): Remove.
3288 (rtl_obstack): Likewise.
3289 (current_obstack): Likewise.
3290 (output_call): Don't mess with obstacks.
3291 (hppa_encode_label): Remove ggc_p conditionals.
3292 * config/romp/romp.c (get_symref): Don't mess with obstacks.
3293 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
3294 (rs6000_encode_section_info): Likewise.
3295 * config/sh/sh.c (get_fpscr_rtx): Likewise.
3297 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
3299 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
3300 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
3301 (addsi3_carry): Canonicalize.
3302 (addqi_5): Remove '*'.
3303 (sbb pattern): Canonicalize.
3305 * i386.md (cmp to inc/add peep2): New.
3307 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
3309 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
3312 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3314 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
3315 * README.TRAD, TESTS.FLUNK: Remove.
3317 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3319 * c-common.c (decl_attributes): Don't allow strftime formats with
3320 first_arg_num nonzero.
3321 (check_format_info): Set wanted_type and wanted_type_name to zero
3322 before they are possibly assigned and used.
3324 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3326 * c-common.c (scanf_flag_specs): Add flags ' and I.
3327 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
3328 or the ^ and # flags together.
3329 (scan_char_table): Handle the ' and I flags.
3330 (format_types): Add ' and I flags for scanf.
3332 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3334 * c-common.c (print_char_table): Use the unpromoted type for
3335 lengths "h" and "hh" with conversions dioxXu.
3336 (check_format_types): Apply the default argument promotions where
3337 the wanted type is not a pointer target.
3339 2000-10-11 Michael Meeks <mmeeks@gnu.org>
3340 Joseph S. Myers <jsm28@cam.ac.uk>
3342 * c-typeck.c (check_modify_expr): New function.
3343 (build_modify_expr): Call it if warn_sequence_point.
3344 * c-decl.c (warn_sequence_point): New variable.
3345 (c_decode_option): Handle -Wsequence-point and
3346 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
3347 * c-tree.h (warn_sequence_point): Declare.
3348 * invoke.texi (-Wsequence-point): Document.
3349 * toplev.c (documented_lang_options): Add -Wsequence-point and
3350 -Wno-sequence-point.
3351 Original work by Michael Meeks, 16 Jun 1998.
3353 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3355 * tree.c (get_narrower): Don't look at precision of field if
3358 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
3360 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
3361 declaration for data with "progmem" attribute.
3363 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
3365 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
3366 Correct insn length if shift count is a memory operand.
3367 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
3368 (*iorhi3_clobber): Change lo8 to hi8.
3369 (zero_extendhisi2): Change %B0 to %A1.
3370 (ashlhi3, ashrhi3): Correct insn length.
3371 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
3372 from "clobber" to "set_n" in some alternatives.
3374 2000-10-10 Jakub Jelinek <jakub@redhat.com>
3376 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
3377 remove its insn_chain structure as well.
3379 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3381 * dbxout.c (dbxout_source_line): Remove extra tab.
3383 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
3385 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
3387 2000-10-09 Richard Henderson <rth@cygnus.com>
3389 * Makefile.in (LANG_LIB2FUNCS): Remove.
3390 (LIB2FUNCS): Remove _pure.
3391 (LIB2ADD): Remove LANG_LIB2FUNCS.
3392 (stage_a): Don't set LANG_LIB2FUNCS.
3393 * libgcc2.c (__terminate): Mark noreturn.
3394 (__pure_virtual): Remove.
3395 * mklibgcc.in: Remove LIB2ADD .txt processing.
3397 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3399 * arm.md (push_multi): Revert unintended change.
3401 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3403 * arm.c: Miscellaneous white space and comment clean-ups. No
3407 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3409 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
3410 STRING_CST by calling combine_strings.
3412 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3414 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
3415 (thumb_output_move_mem_multiple): Support new insn format.
3416 * arm.md (movmem12b): Use SSA compatible format.
3417 (movmem8b): Likewise.
3419 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3421 * arm.md (predicable): New attribute, default to "no".
3422 (all patterns): Mark as predicable if appropriate.
3423 (conditional execution splits): Split using predication format.
3424 (define_cond_exec): Define.
3425 * arm.c (arm_print_operand): handle insn predicate.
3427 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3429 * README.NS32K: Remove file.
3431 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3433 * README-bugs: Remove file.
3435 2000-10-08 Philipp Thomas <pthomas@suse.de>
3436 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
3438 * configure: Rebuilt.
3440 2000-10-08 Philipp Thomas <pthomas@suse.de>
3441 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
3442 disable catalog building if no suitable program was found.
3443 Move warning message from here
3444 (AM_GNU_GETTEXT): To here.
3445 * configure: Rebuilt.
3447 2000-10-08 Philipp Thomas <pthomas@suse.de>
3448 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
3449 different cache variables.
3450 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
3451 uses different cache variables.
3452 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
3453 * configure: Regenerated.
3455 2000-10-08 Richard Henderson <rth@cygnus.com>
3457 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
3458 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
3459 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
3462 * config/t-linux (SHLIB_EXT): New.
3463 (SHLIB_LINK): Use the entire build command, with substitutions.
3464 (SHLIB_LIBS): Remove.
3465 * config/alpha/t-osf4: Likewise.
3466 * config/mips/t-iris6: Likewise.
3467 * config/sparc/t-sol2: Likewise, but move shlib stuff...
3468 * config/sparc/t-slibgcc-sld: ...here.
3469 * config/sparc/t-slibgcc: New file.
3471 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3473 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
3474 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
3476 (intmax_type_node, uintmax_type_node): Define.
3477 * c-common.c (decl_attributes): If pedantic, warn if `mode'
3478 attributes create a type wider than intmax_t.
3479 (T_IM, T_UIM): Define properly.
3480 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
3482 (init_decl_processing): Initialize intmax_type_node and
3484 * c-lex.c (lex_number): When pedantic and warning for integer
3485 constants that are too large, in C99 mode warn for those that have
3486 a type wider than long long.
3488 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3490 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
3491 FMT_FLAG_FANCY_PERCENT_OK): Define.
3492 (format_char_info): Add flag "4" to comment.
3493 (format_flag_spec, format_flag_pair): New structures.
3494 (format_kind_info): Add additional fields to control format
3496 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
3497 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
3499 (time_char_table): Use "4" flag to handle %Ey.
3500 (format_types): Add entries for new fields.
3501 (get_flag_spec): New function.
3502 (check_format_info): Increase size of flag_chars[] to 256.
3503 Control format checking using the new fields of a format_kind_info
3504 and the new tables; remove all conditionals on printf_format_type,
3505 scanf_format_type or strftime_format_type. Handle all details of
3506 bad combinations of flags (including width, precision and strftime
3507 modifiers) through data rather than ad hoc code. Handle all
3508 details of standard versions in which flags appeared through
3509 data. Use the "4" flag.
3511 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
3513 * config/h8300/h8300.md: Remove the memory alternative and correct
3514 the insn lengths in the templates for sign extention and zero
3517 2000-10-07 Richard Henderson <rth@cygnus.com>
3519 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
3520 * flow.c (make_edges): Revert last change.
3522 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
3524 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
3526 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
3528 * config/alpha/elf.h: Standardize the formatting.
3530 2000-10-06 David O'Brien <obrien@FreeBSD.org>
3532 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
3535 2000-10-06 Richard Henderson <rth@cygnus.com>
3537 * function.c (diddle_return_value): Examine
3538 current_function_return_rtx instead of the DECL_RESULT.
3539 (expand_function_end): Handle reloading DECL_RESULT from memory
3540 into a hard register. Query promote_mode for sign of mismatched
3543 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3545 * haifa-sched.c (schedule_insns): Fix typo in freeing
3546 forward_dependency_cache.
3548 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3550 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
3551 `TARGET_SH2' as a condition.
3553 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3555 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
3556 forward_dependency_cache): New variables.
3557 (add_dependence, remove_dependence): Use anti_dependency_cache and
3558 output_dependency_cache.
3559 (compute_block_forward_dependences): Use forward_dependency_cache.
3560 (schedule_insns): Allocate and free memory for anti/output/forward
3561 dependencies caches.
3563 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3565 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
3566 `! TARGET_SH1'. Reindent.
3568 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3570 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
3571 Move functions from here ...
3573 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
3575 (c_expand_builtin): New function.
3576 (init_function_format_info): Don't set `check_function_format_ptr'.
3577 (c_common_nodes_and_builtins): Set built_in_class type for
3578 printf/__builtin_printf to BUILT_IN_FRONTEND.
3579 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
3581 * c-common.h (build_function_call): Declare.
3583 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
3584 to `lang_expand_expr' rather than `expand_builtin'.
3586 * tree.c (check_function_format_ptr): Delete.
3588 * tree.h (check_function_format_ptr): Likewise.
3590 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
3592 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
3593 DW_OP_bregx when cfa->reg > 31.
3595 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
3598 2000-10-05 Richard Henderson <rth@cygnus.com>
3600 * c-decl.c (warn_missing_noreturn): Remove.
3601 (c_expand_body): Don't set or check can_reach_end.
3602 * c-tree.h (warn_missing_noreturn): Move ...
3603 * flags.h: ... here.
3604 (can_reach_end): Remove.
3605 * flow.c (check_function_return_warnings): New.
3606 (make_edges): No edge to exit for noreturn sibcalls.
3607 * function.c (expand_function_end): Save the return value
3608 clobber instruction.
3609 (mark_function_status): Mark it.
3610 * function.h (struct function): Add x_clobber_return_insn.
3611 * jump.c (can_reach_end): Remove.
3612 (calculate_can_reach_end): Remove.
3613 (jump_optimize_1): Don't call it.
3614 * output.h (check_function_return_warnings): Declare.
3615 * toplev.c (warn_missing_noreturn): Move from c-decl.c
3616 (rest_of_compilation): Call check_function_return_warnings.
3618 2000-10-05 Richard Henderson <rth@cygnus.com>
3620 * Makefile.in (NM_FOR_TARGET): New.
3621 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
3622 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
3623 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
3624 shared library build on that and EXTRA_MULTILIB_PARTS.
3625 * mkmap-flat.awk: New file.
3626 * mkmap-symver.awk: New file.
3627 * libgcc-std.ver: New file.
3628 * config/libgcc-glibc.ver: New file.
3629 * config/ia64/libgcc-ia64.ver: New file.
3630 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3631 (SHLIB_LINK): Add --version-script.
3632 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
3633 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3634 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3635 (SHLIB_LINK): Add -M.
3637 2000-10-05 Richard Henderson <rth@cygnus.com>
3639 * Makefile.in (LIB2FUNCS): Add _clz.
3640 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
3641 (__clz_tab): Put in its own unit, non-static.
3642 * libgcc2.h: Always include longlong.h.
3644 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
3645 a zero instead of -1.
3646 (count_trailing_zeros): Likewise.
3648 2000-10-05 Richard Henderson <rth@cygnus.com>
3650 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
3651 when second op1 is const0_rtx. Validate op0 as a register.
3652 * config/alpha/alpha.md (setcc_internal): Don't allow constants
3653 in the first argument of the compare.
3654 (setcc_swapped_internal): Likewise.
3655 (setne_internal): Likewise.
3657 2000-10-05 Geoff Keating <geoffk@cygnus.com>
3659 * tree.c (tree_size): New function split out of copy_node.
3660 (make_node): Remove obstack handling. Use tree_size.
3661 (copy_node): Use tree_size.
3662 * tree.h: Prototype tree_size.
3664 2000-10-05 Richard Henderson <rth@cygnus.com>
3666 * diagnostic.c (output_format): Add missing break.
3668 2000-10-05 Jim Wilson <wilson@cygnus.com>
3670 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
3671 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
3672 sequence insn to INSN, and delete last sequence insn.
3674 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
3676 * gcc.c (main): Include generated configargs.h header
3677 and use arguments in '-v' output.
3679 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3681 * gcc.c: Move data on prefixes forward in file and reorganize.
3682 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
3683 Always define, but make null if no value.
3684 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
3685 and "md_startfile_prefix_1".
3686 (main): Check whether md_exec_prefix and the others are the
3687 null string rather than whether the macro is defined.
3689 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3691 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
3692 from PSImode to SImode.
3694 2000-10-05 Jakub Jelinek <jakub@redhat.com>
3696 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
3697 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
3698 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
3701 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3703 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
3704 negation in proper type.a
3706 2000-10-04 Richard Henderson <rth@cygnus.com>
3708 * configure.in (enable-shared): New.
3709 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
3710 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
3711 * mklibgcc.in: Use them to link shared a libgcc.
3712 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
3713 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
3714 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
3715 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
3717 * configure.in (alpha-osf*): Use t-osf and x-osf.
3718 * config/alpha/t-osf: New file.
3719 * config/alpha/t-osf4: New file.
3720 * config/alpha/x-osf: New file.
3721 * config/alpha/x-alpha: Remove file.
3723 2000-10-04 Will Cohen <wcohen@redhat.com>
3725 * c-typeck.c (process_init_element): Added warning for zero-length
3728 * extend.texi (Zero Length): State that static initializers for
3729 zero-length arrays are not allowed.
3731 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
3733 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
3736 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3738 * config/float-c4x.h: New.
3739 * configure.in (c4x-*): Set float_format to c4x.
3740 * configure: Regenerate.
3742 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3744 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
3745 compilation for solaris versions 2.7 and greater.
3747 2000-10-02 Marc Espie <espie@openbsd.org>
3749 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
3750 instead of redefining from scratch.
3752 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
3754 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
3756 2000-10-01 Mark Mitchell <mark@codesourcery.com>
3758 * config/ns32k/genix.h: Remove.
3759 * config/ns32k/x-genix: Likewise.
3760 * config/ns32k/xm-genix.h: Likewise.
3761 * config/fx80: Remove all filee in directory.
3762 * config/pyr: Likewise.
3763 * config/tahoe: Likewise.
3764 * config/gmicro: Likewise.
3765 * config/spur: Likewise.
3766 * configure.in: Remove configury bits for above targets.
3767 * configure: Regenerated.
3769 * configure.in: Don't configure chill by default.
3770 * configure: Regenerated.
3772 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
3773 (lang_mark_false_label_stack): Remove.
3774 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
3775 <top level> string in GC area.
3776 (mark_splay_tree_node): New function.
3777 (mark_splay_tree): Likewise.
3778 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
3780 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
3781 * ggc-common.c (lang_mark_false_label_stack): Change type.
3782 * ggc.h (ggc_alloc_string): Add comment.
3783 (ggc_strdup): New function.
3785 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
3787 * config/avr/avr.h (BRANCH_COST): Define as 0.
3789 * config/pdp11/pdp11.c: #include "tree.h" added.
3791 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
3793 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
3794 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
3795 with known shift count.
3796 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
3797 New alternative for shift count 2 with no scratch register.
3798 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
3799 "set_n" for shift counts 1 and 2.
3801 2000-09-30 Geoff Keating <geoffk@cygnus.com>
3803 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
3804 the mask value from the individual SET operations.
3805 (return_internal_si): Move the USE after the RETURN.
3806 (return_internal_di): Likewise.
3807 (return_and_restore_fpregs_si): Likewise.
3808 (return_and_restore_fpregs_di): Likewise.
3809 (return_eh_si): Likewise.
3810 (return_eh_di): Likewise.
3811 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
3813 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
3814 Don't generate a PARALLEL around a single operation movsi_to_cr.
3815 Generate the RETURN first in any PARALLELs.
3817 * rtlanal.c (single_set_1): Use fatal_insn to display the
3818 invalid insn. Check for more cases when a USE or CLOBBER occurs
3820 * Makefile.in: Update dependencies for rtlanal.o.
3822 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
3824 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
3826 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
3828 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
3829 Consistently use @email for formatting email addresses.
3831 2000-09-29 Richard Henderson <rth@cygnus.com>
3833 * cse.c (notreg_cost): New argument outer.
3834 (COST): Pass in SET to notreg_cost
3836 (fold_rtx): Use COST_IN. Prefer constants when costs
3839 2000-09-29 David Edelsohn <edelsohn@gnu.org>
3841 * fixinc/inclhack.def (broken_cabs): Generalize regex.
3842 * fixinc/fixincl.x: Regenerate.
3844 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3846 * loop.c (check_final_value): A GIV is not replaceable if used
3849 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
3851 * version.c: Bump to gcc-2.97.
3853 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
3855 * final.c (final_scan_insn): Remove extra extract_insn call;
3856 Use caching for constrain_operands.
3857 (cleanup_subreg_operands): Use caching for extract_insn.
3858 * recog.c (constrain_operands_cached): New.
3859 * recog.h (constrain_operands_cached): Declare.
3860 * i386.c (ix86_attr_length_immediate_default,
3861 ix86_attr_length_address_default, ix86_agi_dependant): Cache
3864 * recog.c (asm_noperands): Tweak.
3865 (extract_insn): Do not call asm_noperads for non-asm instructions.
3867 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3869 * recog.c (recog_memoized): Rename to recog_memoized_1.
3870 * recog.h (recog_memoized): Rename to recog_memoized_1.
3871 (recog_memoized): New macro.
3872 * rtl.h (single_set): Rename to single_set_1
3873 (single_set): New macro.
3874 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
3877 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
3878 Do not use match_dup of input operands at outputs.
3879 Use register_operand for memory expression.
3880 (rep_movsi): Put use last, canonicalize.
3881 Use register_operand for memory expression.
3882 (rep_movqi): Put use last.
3883 Use register_operand for memory expression.
3884 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
3885 of input operands at outputs. Use register_operand for memory
3887 (rep_stossi): Put use last; canonicalize; fix match_dup in
3888 the address expression
3889 (rep_stosqi): Likewise.
3890 (memcmp expander): Update calls.
3891 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
3894 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
3896 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
3898 2000-09-28 David O'Brien <obrien@FreeBSD.org>
3900 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
3901 Contains the old contents of config/i386/freebsd.h
3902 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
3903 Contains the old contents of config/i386/freebsd-elf.h
3904 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
3905 config/i386/freebsd.h.
3906 * configure.in: Adjust for above changes.
3907 * po/POTFILES.in: Likewise.
3908 * po/en_GB.po: Likewise.
3909 * po/gcc.pot: Likewise.
3910 * configure: Rebuilt.
3912 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3914 * doloop.c (doloop_modify): Prevent delete_insn() from
3915 deleting too much. Prefer loop->top over loop->start as
3916 target for the new JUMP insn.
3917 (doloop_valid_p): Ignore loop with exit_count != 0.
3919 2000-09-28 Philipp Thomas <pthomas@suse.de>
3921 * invoke.texi (i386 Options): Add athlon to table of possible
3924 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
3926 * diagnostic.h (output_clear_message_text): New function.
3927 (output_message_text): New macro.
3929 * diagnostic.c (clear_text_info): Rename to
3930 output_clear_message_text.
3931 (output_clear): Adjust.
3932 (output_finish): Rename to output_finalize_message. Tweek.
3933 (output_to_stream): Adjust.
3935 2000-09-28 Neil Booth <neilb@earthling.net>
3937 * cpperror.c (_cpp_begin_message): Do the test for suppression
3938 of warnings and pedantic warnings before the "is a warning an
3940 * cppinit.c (cpp_handle_option): Remove surplus \n.
3941 * cpplex.c (ON_REST_ARG): Delete.
3942 (skip_block_comment): Initialise prevc.
3943 (parse_args): Improve error messages.
3944 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
3946 * cpplib.c (cpp_push_buffer): Fix grammar in message.
3947 * cppmain.c (main): Set callbacks for #ident and #pragma
3948 only if no_output option is false.
3949 (do_pragma_implementation): Only call the #pragma handler
3950 if it is set in the cpp_reader structure.
3952 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
3954 * integrate.c (copy_insn_list): if an ignored return value
3955 is being clobbered, skip cloning that into the inline copy.
3957 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
3959 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
3960 use @uref for formatting URLs.
3962 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
3964 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
3967 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
3969 * gcc.c (cpp_options): Add spec for -ftabstop=.
3970 (invoke_as): New spec that handles invoking as.
3971 Update specs to handle -save-temps and -traditional.
3972 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
3974 * cp/lang-specs.h, objc/lang-specs.h: Update to use
3975 invoke_as, and handle -save-temps and -traditional (if
3978 2000-09-26 Jakub Jelinek <jakub@redhat.com>
3980 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
3982 (function_arg_slotno): Accept TImode/CTImode.
3983 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
3986 2000-09-26 Michael Hayes <mhayes@cygnus.com>
3988 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
3991 2000-09-25 Jim Wilson <wilson@cygnus.com>
3993 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
3994 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
3995 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
3996 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
3998 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4000 * cpplex.c (parse_args): Don't set VOID_REST flag.
4001 (CONTEXT_VARARGS): New flag.
4002 (maybe_paste_with_next): Set context earlier in loop. Use
4003 it. Do varargs test with CONTEXT_VARARGS flag.
4004 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4005 pushing an argument context for a varargs argument.
4006 * cpplib.h (VOID_REST): Delete.
4007 * gcc.dg/cpp/vararg1.c: Add test case.
4009 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4011 * flags.h: Declare warning flag warn_system_headers.
4012 * toplev.c: Define it.
4013 (W_options): Add option -Wsystem-headers.
4014 * diagnostic.c (count_error): Test warn_system_headers.
4015 * invoke.texi: Add description for -Wsystem-headers.
4016 * cpplib.h (cpp_options): New member warn_system_headers.
4017 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4018 CPP_IN_SYSTEM_HEADER.
4019 * cpplib.c (do_import, do_pragma_once): Likewise.
4020 * cpperror.c (_cpp_begin_message): Test warn_system_headers
4021 and CPP_IN_SYSTEM_HEADER.
4022 * cppinit.c (handle_option): Recognize -Wsystem_headers.
4023 (print_help): Describe -Wsystem_headers.
4024 * cpplex.c (lex_line): Reorganize condition so that warnings
4025 about C++ comments in system headers can be enabled. Remove
4026 label do_line_comment.
4028 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
4030 * cpplex.c (save_comment): Only store the initial '/'
4032 (lex_token): Combine handling of the two comment types.
4033 Pass everything but the initial '/' to save_comment.
4035 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
4037 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
4038 _cpp_can_paste): New library-internal prototypes.
4039 * cpplex.c (dump_param_spelling, output_line_command,
4040 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
4041 cpp_printf, cpp_output_list): Move to cppoutput.c.
4042 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
4043 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
4045 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
4046 dump_param_spelling, output_line_command, cpp_scan_buffer,
4047 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
4049 * Makefile.in: Add cppoutput.c.
4050 * po/POTFILES.in: Add cppoutput.c.
4052 2000-09-25 Richard Henderson <rth@cygnus.com>
4054 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
4055 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
4056 split until after reload.
4057 (rotlsi3, rotldi3): New.
4059 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
4061 * diagnostic.c (output_last_position): Define.
4062 (set_real_maximum_length): Tweek.
4063 * diagnostic.h (output_last_position): Declare.
4065 2000-09-25 Kazu Hirata <kazu@hxi.com>
4067 * config/i386/i386.c: Fix formatting.
4069 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
4071 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
4072 UNITS_PER_WORD is small.
4074 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
4076 * c-common.c (format_char_info): Add flags2; update comments.
4077 (print_char_table, scan_char_table, time_char_table): Split some
4078 flags out into flags2.
4079 (check_format_info): Use flags2 for those flags, for identifying
4080 the initial character of a scanf scanset, and for identifying
4081 printf formats where the '0' flag is ignored with precision.
4083 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
4085 Changes below marked "here" add TABs on either or both sides,
4086 covering start of line, up to any operand for all noted .*ASM.*_OP
4087 definitions. All callers changed.
4088 * tm.texi: Make documented *_ASM.*_OP:s include spacing
4089 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
4090 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4091 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4092 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
4093 Fix typos in description for LONG_LONG_TYPE_SIZE and
4094 FINI_SECTION_ASM_OP.
4095 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
4096 why these defaults don't have leading spacing.
4097 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
4098 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4099 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
4100 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
4101 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
4102 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
4103 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
4104 * varasm.c (ASM_STABS_OP): Here.
4105 * xcoffout.h (ASM_STABS_OP): Here.
4106 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4107 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4108 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
4109 STRING_ASM_OP): Here.
4110 * config/freebsd.h (IDENT_ASM_OP): Here.
4111 * config/linux-aout.h (SET_ASM_OP): Here.
4112 * config/linux.h (SET_ASM_OP): Here.
4113 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4115 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4116 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
4117 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4118 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4120 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4121 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4122 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
4123 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4124 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
4125 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4126 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
4127 * config/a29k/udi.h (INT_ASM_OP): Here.
4128 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
4129 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4131 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
4132 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4133 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4134 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
4135 ASM_STABD_OP): Here.
4136 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
4137 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
4138 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4139 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
4140 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
4141 SIZE_ASM_OP, STRING_ASM_OP): Here.
4142 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
4143 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
4144 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
4145 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
4146 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
4147 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
4149 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4150 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
4151 * config/arm/coff.h (INT_ASM_OP): Here.
4152 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4153 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
4154 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
4155 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
4156 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4157 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4158 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
4159 STRING_ASM_OP): Here. Update documentation copy in comments.
4160 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
4161 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
4162 DATA_SECTION_ASM_OP): Here.
4163 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
4165 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
4166 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4167 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4168 BSS_SECTION_ASM_OP): Here.
4169 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4170 BSS_SECTION_ASM_OP): Here.
4171 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4173 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
4174 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4175 * config/h8300/h8300.h (ASM_WORD_OP): Here.
4176 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4177 BSS_SECTION_ASM_OP): Here.
4178 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
4179 * config/i386/bsd.h (ASM_BYTE_OP): Here.
4180 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
4181 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
4182 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
4184 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
4185 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
4187 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
4188 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4189 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
4190 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4192 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
4193 * config/i386/netbsd.h (INT_ASM_OP): Here.
4194 * config/i386/openbsd.h (INT_ASM_OP): Here.
4195 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
4196 IDENT_ASM_OP): Here.
4197 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
4198 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
4199 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
4200 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
4201 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
4202 SHARED_BSS_SECTION_ASM_OP): Here.
4203 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
4204 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4205 DATA_SECTION_ASM_OP): Here.
4206 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4207 CONST_SECTION_ASM_OP): Here.
4208 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
4209 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4210 BSS_SECTION_ASM_OP): Here.
4211 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
4212 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
4213 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
4214 BSS_ASM_OP): Here, but use trailing spaces.
4215 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4216 DATA_SECTION_ASM_OP): Here.
4217 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
4219 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
4220 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
4221 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4222 TDESC_SECTION_ASM_OP): Here.
4223 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
4224 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4225 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4227 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4228 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4229 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4230 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4231 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
4232 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
4233 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4234 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
4235 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
4236 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
4237 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4238 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4240 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4241 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4242 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
4243 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
4244 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
4245 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
4246 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
4247 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4248 GLOBAL_ASM_OP): Here.
4249 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
4250 BSS_SECTION_ASM_OP): Here.
4251 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
4252 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4253 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
4254 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
4256 * config/m68k/newsgas.h (SET_ASM_OP): Here.
4257 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
4258 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4259 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4260 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4261 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
4262 but use trailing spaces.
4263 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
4264 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
4265 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
4267 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4268 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4269 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4270 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4271 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4272 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
4273 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
4274 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
4275 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
4276 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
4277 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4278 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
4280 * config/m88k/openbsd.h (SET_ASM_OP): Here.
4281 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4282 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4283 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
4284 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
4285 DTORS_SECTION_ASM_OP): Here.
4286 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
4287 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4288 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
4289 BSS_SECTION_ASM_OP): Here.
4290 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
4291 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
4292 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
4293 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
4294 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
4295 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4296 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
4297 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
4299 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
4301 * config/mips/osfrose.h (SET_ASM_OP): Here.
4302 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
4303 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
4304 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
4305 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4307 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
4308 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
4309 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
4310 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
4311 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
4312 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4314 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4316 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
4317 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
4318 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
4320 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
4321 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
4322 * config/sparc/linux.h (COMMON_ASM_OP): Here.
4323 * config/sparc/linux64.h (COMMON_ASM_OP,
4324 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4325 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
4326 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4327 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
4328 * config/sparc/pbd.h (ASM_INT_OP): Here.
4329 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
4330 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4331 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
4332 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
4333 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
4334 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
4335 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
4336 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
4337 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
4338 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4339 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4340 EH_FRAME_SECTION_ASM_OP): Here.
4341 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
4342 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4344 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4346 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
4347 TCOMMON_ASM_OP): Here.
4348 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4350 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4353 2000-09-25 Richard Henderson <rth@cygnus.com>
4355 * expmed.c (store_bit_field): Adjust last change to not consider
4356 any word-sized field naturally aligned.
4358 2000-09-24 Richard Henderson <rth@cygnus.com>
4360 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
4361 TFmode unordered compares properly. Revalidate integer compare
4363 (alpha_emit_setcc): New.
4364 (alpha_emit_conditional_move): Revalidate integer compare operands.
4365 * config/alpha/alpha-protos.h: Update.
4366 * config/alpha/alpha.md (cmpdi): Allow general operands.
4367 (sne): Use alpha_emit_setcc.
4368 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
4369 (sunordered, sordered): New.
4371 2000-09-24 Richard Henderson <rth@cygnus.com>
4373 * config/ia64/ia64-protos.h: Update.
4374 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
4375 (ia64_expand_call): New.
4376 (ia64_expand_prologue): Emit an alloc if we need extra input
4378 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
4379 instruction if true.
4380 (struct reg_flags): Add is_sibcall.
4381 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
4382 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
4383 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
4384 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4385 * config/ia64/ia64.md (call): Use ia64_expand_call.
4386 (call_value): Likewise.
4387 (sibcall, sibcall_value): New.
4388 (call patterns): Remove extra expanders; tidy.
4389 (sibcall_epilogue): New.
4390 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
4392 2000-09-24 Richard Henderson <rth@cygnus.com>
4394 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
4396 * sibcall.c (skip_pic_restore): New.
4397 (identify_call_return_value): Use it.
4399 2000-09-24 Mark Mitchell <mark@codesourcery.com>
4401 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
4402 functions. Generalize to handle both C and C++.
4403 * Makefile.in (c-tree.info): New target.
4404 (info): Add c-tree.info.
4406 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4408 * expr.c (store_field): If BITSIZE is negative, use size of type.
4409 (expand_expr, case COMPONENT_EXPR): Likewise.
4411 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
4413 * cpplex.c: Update TODO comment.
4414 * cpplib.c (do_error, do_warning): Merge common code of
4415 do_error and do_warning into do_diagnostic. Use it.
4416 (do_diagnostic): New function.
4417 * cpplib.h: Fix comment typo.
4419 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4421 * c-common.c (check_format_info): Warn for a wide character string
4422 used as a non-wide format argument.
4424 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4426 * builtins.def (BUILT_IN_LLABS): Add.
4427 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
4428 * c-common.c (c_common_nodes_builtins): Create builtin functions
4429 __builtin_llabs, and plain llabs unless no_nonansi_builtins
4430 outside of C99 mode.
4431 (expand_tree_builtin): Handle BUILT_IN_LLABS.
4433 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
4435 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
4436 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
4437 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
4438 _cpp_free_toklist): No need to worry about extra dummy token
4439 at the start of token lists any more.
4440 (trigraph_ok): Only warn outside comments.
4441 (skip_block_comment): Set and clear lexing_comment.
4442 (skip_line_comment): Take a cpp_reader not cpp_buffer.
4443 Set and clear lexing_comment.
4444 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
4445 (check_long_token): Delete.
4446 (lex_percent, lex_dot): New subroutines of lex_token to
4447 handle lexing of '.' and '%' without lookback.
4448 (lex_token): Use lex_dot and lex_percent.
4449 (lex_line): Don't check for LIST_OFFSET.
4450 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
4451 * cpplib.c (_cpp_parse_assertion): Similarly.
4452 (cpp_push_buffer): Initialize extra_char.
4453 * cpplib.h (LIST_OFFSET): Delete.
4454 (struct cpp_buffer): New member extra_char.
4455 (struct lexer_state): New members lexing_comment and seen_dot.
4457 2000-09-23 Jason Merrill <jason@redhat.com>
4459 * config/rs6000/x-aix41 (CLIB): Define here.
4460 * config/rs6000/t-aix43: Not here.
4461 * config/rs6000/t-aix41: Or here. Remove.
4462 * configure.in: Don't use it.
4464 2000-09-22 Jason Merrill <jason@redhat.com>
4466 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
4467 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
4468 * config.in: Regenerate.
4470 * configure.in: Fix checks for assembler features when using a
4471 one-tree assembler that has not yet been built.
4472 Fix --disable-threads.
4474 2000-09-19 Geoff Keating <geoffk@cygnus.com>
4476 * stmt.c (expand_asm_operands): Allow # in constraints.
4478 2000-09-22 Jason Merrill <jason@redhat.com>
4480 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
4482 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
4483 function-local names.
4485 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
4486 Mark Mitchell <mark@codesourcery.com>
4488 * toplev.c (warn_disabled_optimization): Declare new warning flag.
4489 * flags.h (warn_disabled_optimization): Add it here.
4490 * gcse.c (gcse_main): Add warning when disabled.
4491 * invoke.texi: Document -Wdisabled-optimization.
4493 2000-09-21 Jason Merrill <jason@redhat.com>
4495 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
4497 * dwarf2out.c (tree_add_const_value_attribute): New fn.
4498 (gen_variable_die): Call it for non-definitions.
4500 * dwarf2out.c (die_struct): Add die_mark field.
4501 (mark_dies, unmark_dies): New fns.
4502 (clear_die_sizes): Remove.
4503 (print_die): Check die_symbol rather than die_offset.
4504 (build_abbrev_table, output_pubnames, output_aranges): Check
4505 die_mark rather than die_offset.
4506 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
4509 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
4511 * cppfiles.c (lookup_include_file): Rename to open_file.
4512 Always create a splay tree value, even on syscall failures.
4513 Negative entries indicated by fd == -2.
4514 Re-open files closed in the meantime.
4515 (_cpp_fake_include): Create a negative splay tree entry.
4516 (find_include_file, cpp_read_file): Update for function name
4518 * gcc.gd/cpp/mi4.c: Testcase.
4520 2000-09-21 Nick Clifton <nickc@redhat.com>
4522 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
4523 ARM and THUMB modes.
4525 * config/mcore/mcore.c: Fix compile time warnings.
4526 * config/mcore/mcore-protos.h: Fix compile time warnings.
4528 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4530 * configure.in: Correct test of gcc_cv_glibc.
4531 * configure: Rebuilt.
4532 * config.in: Rebuilt.
4534 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4536 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
4537 (expand_builtin): Handle BUILT_IN_FWRITE.
4539 * builtins.def (BUILT_IN_FWRITE): New entry.
4541 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
4543 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4545 * gcc.c (modify_target): New variable and struct.
4546 (process_command): Handle MODIFY_TARGET_NAME.
4547 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
4548 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
4550 * c-decl.c (finish_decl): Add else's to avoid referencing
4551 TYPE_DOMAIN of an ERROR_MARK.
4553 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
4555 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
4558 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
4560 * config/avr/avr.md (neghi2): Add alternative for input and output
4561 operands in different registers, as in negsi2.
4562 (*negsi2): Remove '*' from the name. Use "movw" if available.
4564 2000-09-19 Jim Wilson <wilson@cygnus.com>
4566 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
4567 HAVE_GAS_HIDDEN macro.
4569 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
4571 * cpplex.c (lex_line): Drop the EOF token for unknown
4572 directives in assembler.
4574 2000-09-19 David Edelsohn <edelsohn@gnu.org>
4576 * configure.in: Allow enable_threads_flag value of "aix". Define
4577 thread_file as "aix" for AIX 4.3 and above.
4578 * configure: Regenerated.
4580 * gthr-aix.h: New file.
4582 * rs6000/t-aix43: Replace soft-float multilib with pthread.
4583 Remove 403 processor multilib match. Fix rios2 processor multilib
4586 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
4587 to return to appropriate csect.
4589 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4591 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
4593 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
4594 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
4597 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
4600 * c-common.c (init_function_format_info): Handle __builtin_printf.
4601 Set `check_function_format_ptr'.
4602 (c_common_nodes_and_builtins): Set `puts_ftype' and
4603 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
4604 __builtin_printf and printf.
4606 * tree.c, tree.h (check_function_format_ptr): Declare.
4608 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
4610 * cppfiles.c (read_include_file): Take no special action for
4613 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
4615 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
4616 rather than that of branch.
4617 (shorten_branches): Don't increment insn_current_address twice.
4619 Undo most of the Wed Jan 27 23:39:53 1999 patch:
4620 * loop.h (struct induction): Delete members derived, ix and last_use.
4621 (struct loop_ivs): Delete members first_increment_giv and
4623 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
4624 recombine_givs): Delete functions.
4625 (find_and_verify_loops): Don't initialize cont_dominator.
4626 (strength_reduce): Lose code to try to find bivs that can be
4627 expressed as givs of another biv, and to convert biv increments
4629 Lose loop_scan_start variable, always use loop->scan_start.
4630 Don't call recombine_givs. Don't handle derived givs.
4631 (record_giv): Don't initialize derived and last_use fields.
4632 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
4634 * unroll.c (derived_regs): Delete static variable.
4635 (unroll_loop): Don't initialize it.
4636 (copy_loop_body): Lose code to handle derived givs.
4637 (find_splittable_givs): Don't check for givs made from biv
4639 Don't set derived_regs.
4641 Fix misapplied earlier patch:
4642 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
4644 (floatsisf2): Generate floatsisf_ie by default.
4645 (floatsisf_i4): Conditional on TARGET_SH4.
4647 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
4648 predicate for the expanders.
4650 2000-09-19 Richard Henderson <rth@cygnus.com>
4652 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
4653 in addition to pentium and pentiumpro symbols.
4654 (CPP_CPU_DEFAULT_SPEC): Likewise.
4656 * c-typeck.c (c_expand_asm_operands): Restore the output tree
4659 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
4660 if the tree has side effects.
4661 (warn_if_unused_value): Do not warn about void constructs.
4663 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
4665 * unroll.c (copy_loop_body): Update LABEL_NUSES before
4666 calling invert_jump.
4668 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4670 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
4673 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4675 * Makefile.in (c-common.o): Depend on diagnostic.h.
4677 * c-common.c: Include diagnostic.h.
4679 (status_warning): New function.
4680 (check_format_info, maybe_read_dollar_number, check_format_types,
4681 finish_dollar_format_checking, check_function_format): Accept a
4682 `status' parameter. All callers changed.
4684 * c-common.h (check_function_format): Accept a `status' parameter.
4686 * c-typeck.c: Update call to `check_function_format'.
4688 2000-09-18 Richard Henderson <rth@cygnus.com>
4690 * c-decl.c (c_expand_body): Call mark_varargs before
4691 expand_function_start.
4693 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4695 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
4696 * config/rs6000/eabi-ci.asm: Likewise.
4698 2000-09-18 Richard Henderson <rth@cygnus.com>
4700 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
4703 2000-09-18 Jim Wilson <wilson@cygnus.com>
4705 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
4706 before passing it to fold_rtx_mult_add.
4708 * unroll.c (final_giv_value): Pass increment through
4709 extend_value_for_giv before passing it to emit_iv_add_mult.
4711 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
4712 paradoxical subreg, then directly substitute the replacement and
4715 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
4717 * cpp.texi: Update documentation, including some clarifications,
4718 the treatment of various newline combinations, and space between
4719 backslash and newline.
4721 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4723 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
4724 Replace ASM_OUTPUT_LABELREF with assemble_name.
4726 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4728 * sh.c (addsubcosts): CONST is not cheap.
4729 (find_barrier): For Sh1, take alignment after jumps into account.
4731 2000-09-15 Andrew Haley <aph@redhat.com>
4733 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
4734 remove all SETs of SUBREGs of hard registers.
4735 * function.c (purge_hard_subreg_sets): New function.
4736 (purge_single_hard_subreg_set): New function.
4737 * rtl.h: (purge_hard_subreg_sets): New function.
4739 2000-09-18 Richard Henderson <rth@cygnus.com>
4741 * config/ia64/ia64-protos.h: Update.
4742 * config/ia64/ia64.c (signed_inequality_operator): New.
4743 (ia64_expand_compare): New.
4744 (ia64_register_move_cost): Handle PR_REGS moves.
4745 (ia64_secondary_reload_class): Require a GR when moving to a PR.
4746 (struct reg_write_state): Add written_by_and/or.
4747 (struct reg_flags): Add is_and/or.
4748 (rws_update): Set them.
4749 (rws_access_regno): Test them to allow parallel comparisons.
4750 (rtx_needs_barrier): Recognize parallel comparisons.
4751 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
4752 Call recog_memoized; ignore pred_rel_mutex.
4753 (emit_predicate_relation_info): Don't call find_basic_blocks here.
4754 (ia64_reorg): Do it here instead.
4755 * config/ia64/ia64.h: s/CCmode/BImode/g
4756 (MODES_TIEABLE_P): Don't tie BImode.
4757 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
4758 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
4759 (RTX_COSTS): Make multiply 4 insns.
4760 (MEMORY_MOVE_COST): New.
4761 (PREDICATE_CODES): Update.
4762 * config/ia64/ia64.md: s/CCmode/BImode/g
4763 (movcci, movbi): New.
4764 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
4765 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
4766 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
4767 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
4768 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
4769 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
4770 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
4771 (mulsi, muldi): Use xmpy not xma.
4773 (movcc, movcc_internal): Remove.
4774 (branch expanders): Use ia64_expand_compare.
4775 (setcc expanders): Likewise.
4776 (cmov insns): Use move_operand and ia64_move_ok.
4777 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
4778 scheduler from moving it past a use.
4779 * config/ia64/build.hacks: Remove.
4781 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
4783 * cpphash.h (HASHSTEP): Take character rather than pointer
4785 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
4787 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
4789 * cpplex.c (auto_expand_name_space, trigraph_replace,
4790 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
4791 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
4792 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
4793 KNOWN_DIRECTIVE): Delete.
4795 (handle_newline, check_long_token, skip_escaped_newlines,
4796 unterminated): New functions.
4797 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
4799 (parse_identifier): Was parse_name, new implementation.
4800 (skip_line_comment, skip_block_comment, skip_whitespace,
4801 parse_number, parse_string, trigraph_ok, save_comment,
4802 adjust_column, _cpp_get_line): New implementations.
4804 (lex_token): New function. Lexes a token at a time, looking
4805 forwards. Contains most of the guts of the old lex_line.
4806 (lex_line): New implementation, using lex_token to obtain
4808 (cpp_scan_buffer): Use the token's line, not the list's line.
4810 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
4811 New implementations.
4812 (do_assert): Don't bother setting the answer's list's line.
4813 (cpp_push_buffer): Initialise new pfile and read_ahead members
4814 of struct cpp_buffer.
4816 * cpplib.h (cppchar_t): New typedef.
4817 (struct cpp_buffer): read_ahead, pfile and col_adjust are
4819 (struct lexer_state): New structure that determines the state
4820 and behaviour of the lexer.
4821 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
4822 (struct cpp_reader): New member "state". Rename
4823 multiline_string_line and multiline_string_column. Delete
4824 col_adjust, in_lex_line members.
4825 (CPP_BUF_COLUMN): Update.
4827 2000-09-18 Richard Henderson <rth@cygnus.com>
4829 * combine.c (simplify_comparison): Shift a NOT out of a single
4832 * combine.c (if_then_else_cond): Canonicalize BImode true to
4834 * explow.c (trunc_int_for_mode): Likewise.
4836 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
4837 the NOT for De Morgan's rule.
4838 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
4839 of a comparison to the reverse comparison.
4841 * combine.c (try_combine): Allow split to create a single insn.
4843 * machmode.def: Add BImode. Add a column for bitsize.
4844 * machmode.h (DEF_MACHMODE): Adjust for extra column.
4845 (GET_MODE_BITSIZE): Use it.
4846 * rtl.c (DEF_MACHMODE): Adjust for extra column.
4847 (mode_bitsize): New.
4848 (mode_mask_array): Use bitsize.
4849 * combine.c (combine_simplify_rtx): Require inner and outer
4850 modes to match on nonzero_bits optimizations.
4852 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
4854 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
4855 its entry in spill_reg_store.
4856 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
4857 * sh.c (reg_no_subreg_operand): New function.
4858 * sh-protos.h (reg_no_subreg_operand): Declare it.
4859 * sh.h (PREDICATE_CODES): Add it.
4860 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
4861 input operand that needs to be in fpul.
4862 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
4863 * sh.c (find_barrier): Take into account that machine_dependent_reorg
4864 might add new insns.
4866 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
4868 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
4870 (sh_expand_epilogue): Take the PIC register into account when
4871 computing the frame size.
4873 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
4874 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
4875 LABEL_REFs with a PIC-safe unspec.
4877 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4879 * c-common.c (check_format_info): Properly save the argument
4880 number and parameter for $ operand number formats in case width
4881 and precision arguments are also used. Allow printf width and
4882 precision arguments to have operand numbers even if none was
4883 specified for the main format, since this is OK for %*.*m. Only
4884 object to missing $ operand number if the format used requires an
4887 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4889 * c-common.c (format_char_info): Add 'W' flag to comment.
4890 (print_char_table, scan_char_table): Use it.
4891 (check_format_info): Use the 'W' flag to determine whether a
4892 format argument is written into.
4894 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4896 * c-common.c (check_format_types): Reorganise and clean up,
4897 checking earlier for ERROR_MARKs and making cur_type into its
4898 TYPE_MAIN_VARIANT where convenient.
4900 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4902 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
4904 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
4906 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
4908 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
4909 * i386.c (struct builtin_description): New.
4910 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
4911 (mmx_reg_operand): Declare MODE arg as unused.
4912 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
4913 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
4914 ix86_expand_binop_builtin, ix86_expand_store_builtin,
4915 ix86_init_builtins, ix86_expand_builtin): New functions.
4916 * i386.h (ix86_builtins): New enumeration.
4917 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
4918 * i386.md (attr length_immediate): 0 for mmx/sse types.
4919 (attr prefix_0f): 1 for mmx/sse types.
4920 (setcc_2): Remove "*" so we get gen_setcc_2.
4921 (emms): Account for changed register numbering. Set "memory" attr
4923 (sfence): Set "memory" attr to unknown.
4925 2000-09-18 Andreas Jaeger <aj@suse.de>
4927 * configure.in: Define _GNU_SOURCE only when using the GNU C
4929 * configure: Regenerated.
4930 * config.in: Regenerated.
4932 2000-09-17 Mark Mitchell <mark@codesourcery.com>
4934 * cppinit.c (cpp_init): Don't use ANSI prototypes.
4935 * flow.c (flow_dump_loop): Likewise.
4936 (flow_loops_dump): Likewise.
4938 * c-typeck.c (c_start_case): Fix typo.
4940 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
4942 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
4943 to int for plain complex which defaults to complex double. Do
4944 warn about defaulting to complex double if pedantic. Warn about
4945 complex integer types if pedantic. Warn about complex types if
4946 pedantic and not in C99 mode.
4947 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
4948 for complex conjugation.
4950 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
4952 * contrib.texi: Update my entry.
4954 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
4956 * config/avr/avr.md (mcu_enhanced): New attribute.
4957 (mcu_mega): Likewise.
4958 (extendhisi2): Use mcu_enhanced.
4959 (zero_extendhisi2): Likewise.
4960 (call_insn): Use mcu_enhanced and mcu_mega.
4961 (call_value_insn): Likewise.
4962 (*sbrx_branch): Use mcu_mega.
4963 (*sbrx_and_branchsi): Likewise.
4964 (*sbrx_and_branchhi): Likewise.
4965 (*tablejump_lib): Likewise.
4967 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4969 * alias.c (true_dependence): Allow non-unchanging read to conflict
4970 with unchanging write.
4972 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
4973 (store_constructor): Pass alias_set to it.
4975 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
4976 TYPE_MAIN_VARIANT of ERROR_MARK.
4977 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
4979 * simplify-rtx.c (simplify_unary_operation): Add cases
4980 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
4982 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
4984 * expr.h (emit_library_call, emit_library_call_value): Delete
4986 * rtl.h (enum libcall_type): New.
4987 (emit_library_call, emit_library_call_value): Change fn_type arg to
4988 be of type enum libcall_type.
4989 * calls.c: Likewise for the function definitions. Several callers
4990 throughout changed to use the new enumeration appropriately.
4991 (emit_library_call_value_1): Likewise. Put back code to make libcall
4992 blocks of equal form, but only use it for the two new higher
4995 2000-09-16 Mark Mitchell <mark@codesourcery.com>
4997 Convert the C front-end to use function-at-a-time mode.
4998 * c-common.h: Include splay-tree.h.
4999 (C_DECLARED_LABEL_FLAG): New macro.
5000 (struct language_function): Add x_scope_stmt_stack and
5001 x_function_name_declared_p.
5002 (RECHAIN_STMTS): Move definition.
5003 (lang_statment_code_p): Likewise.
5004 (lang_expand_stmt): Likewise.
5005 (lang_expand_decl_stmt): New variable.
5006 (lang_expand_function_end): Likewise.
5007 (current_scope_stmt_stack): New function.
5008 (add_decl_stmt): Likewise.
5009 (add_scope_stmt): Likewise.
5010 (mark_stmt_tree): Likewise.
5011 (struct c_lang_decl): New structure.
5012 (DECL_SAVED_TREE): Define.
5013 (c_mark_lang_decl): New function.
5014 (c_expand_start_cond): Change prototype.
5015 (c_finish_then): New function.
5016 (c_finish_else): Likewise.
5017 (current_function_name_declared): Remove.
5018 (set_current_function_name_declared): Likewise.
5019 (mark_c_language_function): Declare.
5020 (case_compare): Likewise.
5021 (c_add_case_label): Likewise.
5022 (c_expand_expr): Likewise.
5023 (c_safe_from_p): Likewise.
5024 * c-common.c (lang_expand_function_end): New variable.
5025 (struct if_elt): Add if_stmt.
5026 (c_expand_start_cond): Add the if-statement to the statement-tree,
5027 rather than generating RTL.
5028 (c_finish_then): New function.
5029 (c_expand_start_else): Don't generate RTL.
5030 (c_finish_else): New function.
5031 (c_expand_expr_stmt): Don't generate RTL.
5032 (statement_code_p): Add SCOPE_STMT.
5033 (case_compare): New function.
5034 (c_add_case_label): Likewise.
5035 (mark_stmt_tree): Likewise.
5036 (c_mark_lang_decl): Likewise.
5037 (mark_c_language_function): Likewise.
5038 (c_expand_expr): Likewise.
5039 (c_safe_from_p): Likewise.
5040 * c-decl.c (c_stmt_tree): New variable
5041 (c_scope_stmt_stack): Likewise.
5042 (c_function_name_declared_p): Likewise.
5043 (lang_expand_expr_stmt): Remove.
5044 (poplevel): Don't call output_inline_function for nested
5046 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
5048 (redeclaration_error_message): Change means of computing whether
5049 or not a function is nested.
5050 (lookup_label): Don't call label_rtx.
5051 (init_decl_processing): Add more GC roots.
5052 (start_decl): Add DECL_STMTs to the statement-tree, rather than
5053 calling rest_of_decl_compilation.
5054 (finish_decl): Don't call expand_decl.
5055 (store_parm_decls): Begin the statement-tree, but don't generate
5057 (finish_function): Tie off the statement-tree. Call c_expand_body
5059 (c_expand_body): New function.
5060 (push_c_function_context): Save more information.
5061 (pop_c_function_contxt): Likewise.
5062 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
5063 (lang_mark_tree): Mark it.
5064 (current_stmt_tree): Adjust.
5065 (current_scope_stmt_stack): New function.
5067 (set_current_name_declared): Likewise.
5068 (c_begin_compound_stmt): Define.
5069 (c_expand_decl_stmt): Likewise.
5070 * c-lang.c: Include rtl.h and expr.h.
5071 (lang_init): Set more language-specific hooks.
5072 * c-lex.c: Include expr.h.
5073 * c-parse.in: Changes throughout to add statements to the
5074 statement-tree, rather than generating RTL after every statement.
5075 * c-semantics.c (lang_expand_decl_stmt): Define.
5076 (add_decl_stmt): New function.
5077 (add_scope_stmt): Likewise.
5078 (finish_stmt_tree): Tweak.
5079 (genrtl_expr_stmt): Likewise.
5080 (genrtl_decl_stmt): Handle local labels, and call
5081 lang_expand_decl_stmt if required.
5082 (genrtl_for_stmt): Fix line-number handling.
5083 (genrtl_case_label): Handle cleanups.
5084 (genrtl_asm_stmt): Don't call combine_strings.
5085 (genrtl_compound_stmt): Simplify.
5086 (expand_stmt): Handle SCOPE_STMTs.
5087 * c-tree.h (struct lang_decl): New structure.
5088 (C_DECLARED_LABEL_FLAG): Remove.
5089 (c_begin_compound_stmt): Declare.
5090 (c_expand_decl_stmt): Likewise.
5091 (c_expand_start_case): Rename to c_start_case.
5092 (c_finish_case): New function.
5093 * c-typeck.c (start_init): Tweak setting of
5094 constructor_incremental.
5095 (c_expand_asm_operands): Tweak error-handling. Add to the
5097 (c_expand_return): Add to the statement-tree.
5098 (c_expand_start_case): Rename to ...
5099 (c_start_case): ... this.
5100 (struct c_switch): New type.
5101 (switch_stack): New variable.
5102 (do_case): Simplify.
5103 (c_finish_case): New function.
5104 * dependence.c: Include expr.h.
5105 (enum dependence_type): Change spelling of enumerals.
5106 (check_node_dependence): Adjust.
5107 * expr.h (lang_safe_from_p): Declare.
5108 (safe_from_p): Likewise.
5109 * expr.c (lang_safe_from_p): New variable.
5110 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
5111 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
5112 * toplev.c (rest_of_decl_compilation): Robustify.
5113 * tree.c (contains_placeholder_p): Likewise.
5114 * Makefile.in: Update dependencies.
5115 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
5116 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
5117 (objc_expand_function_end): New function.
5118 (finish_method_def): Use it.
5119 (init_objc): Initialize more language-specific hooks.
5120 * objc/Make-lang.in: Update dependencies.
5122 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
5124 * configure.in: Define macros that affect features before
5125 testing for features. Don't define _XOPEN_SOURCE.
5126 * configure: Regenerated.
5127 * config.in: Regenerated.
5129 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
5131 * rtlanal.c (rtx_varies_p): Volatile asms vary.
5132 (rtx_unstable_p): Restructure code. Volatile asms
5135 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5137 * function.h (no_debugging_symbols): New field.
5138 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
5139 Initialize no_debugging_symbols.
5140 (output_inline_function): Save and restore write_symbols and set from
5141 no_debugging_symbols.
5142 * toplev.c (rest_of_compilation): Call save_for_inline.
5143 * tree.h: Update comment.
5145 * stor-layout.c (place_field): Don't do anything if field or
5146 its type are ERROR_MARK.
5148 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
5150 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
5151 (read_include_file): Ensure inc->mmaped is initialized.
5153 2000-09-16 Richard Henderson <rth@cygnus.com>
5155 * cppiles.c (purge_cache): Use PTR not caddr_t.
5157 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
5159 * gcc.c: In description for %{<S}, say the option removed is -S.
5160 * invoke.texi (Spec Files): Ditto.
5162 2000-09-16 Andreas Jaeger <aj@suse.de>
5164 * configure.in: Always define _GNU_SOURCE to make interfaces
5165 visible that were hidden by only defining _GNU_SOURCE.
5166 * configure: Regenerated.
5168 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
5170 * cpplex.c (push_macro_context): Set an argument's level after
5171 calling parse_args. We could loop infinitely otherwise.
5173 2000-09-15 Tom Tromey <tromey@cygnus.com>
5175 * configure, config.in: Rebuilt.
5176 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
5178 2000-09-15 Greg McGary <greg@mcgary.org>
5180 * cppmacro.c (check_trad_stringification): Check token
5181 text pointers against limit before dereferencing.
5183 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
5185 * c-common.c (format_wanted_type): New structure.
5186 (check_format_types): New function.
5187 (check_format_info): Pass all checking of types of format
5188 arguments, including width and precision arguments, to this new
5191 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5193 * BUGS: Remove file.
5195 2000-09-15 Jakub Jelinek <jakub@redhat.com>
5197 * config/alpha/alpha.c (override_options): ev6 cache latencies
5198 from Richard Henderson. Don't allow -mmemory-latency=L0.
5200 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
5201 (TARGET_OPTIONS): Add tune=.
5202 (alpha_tune_string): Declare.
5203 * config/alpha/alpha.c (override_options): Add cpu_table.
5204 Use alpha_cpu_string first to set both alpha_cpu and target_flags
5205 and then alpha_tune_string to set alpha_cpu only.
5206 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
5207 * config/alpha/elf.h (ASM_FILE_START): Likewise.
5208 * config/alpha/osf.h (ASM_FILE_START): Likewise.
5209 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
5211 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5213 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
5215 (ix86_comparison_operator, ix86_cc_mode): Declare
5216 * i386.h (CCGC, CCGCO): New modes.
5217 (SELECT_CC_MODE): Move offline to ....
5218 * i386.c (ix86_cc_mode): .... here; use new modes.
5219 (ix86_comparison_operator): New.
5220 (fcmov_comparison_operator): Ensure proper mode.
5221 (put_condition_mode): More sanity checking.
5222 (ix86_match_ccmode): Handle new modes.
5223 (ix86_expand_fp_compare): GEU requires CCmode.
5224 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
5226 * i386.md (cmp?i_ccz_1): Remove
5227 (cmp?i_ccno_1): Use ix86_match_ccmode.
5228 (cmp?i_minus_1): New.
5229 (cmpsi_1): New expander.
5230 (cmpqi_ext_1): Use match_ccmode
5231 (cmpqi_ext_3): New expander.
5232 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
5233 (cmpqi_ext_4): Use match_ccmode.
5234 (add?i_?): Use match_ccmode.
5236 (test?i_ccz_1): Remove
5238 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
5239 (testqi_ext_0): Use ix86_match_ccmode.
5240 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
5241 (xorqi_cc_ext_1): New expander.
5242 (shift patterns): Use CCGOCmode for all shifts except for sar.
5243 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
5244 (setcc_3, jcc_3, miv?icc_c): Remove.
5246 2000-09-15 Will Cohen <wcohen@redhat.com>
5248 * dwarf2out.c (add_const_value_attribute): Changed array into a
5249 xmalloced object, so it exists after function exit.
5250 (free_AT): Added case for dw_val_class_float to free allocated
5253 2000-09-15 Kazu Hirata <kazu@hxi.com>
5255 * config/i386/i386.md: Fix a comment typo.
5256 * gcc.c: Fix formatting.
5258 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5260 * optabs.c (emit_libcall_block): If target is a user variable,
5261 copy to a temporary first.
5262 * expr.c (convert_move): When generating a libcall, make a libcall
5264 * calls.c (emit_library_call_value_1): Don't create a libcall
5265 sequence here; our caller will in most cases do it.
5267 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
5269 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
5270 * sh.md (reload_outsf): Generate recognizable patterns for
5272 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
5273 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
5274 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
5275 truncdfsf2_i4): Change not to use explicit references to fpul.
5276 (floatsisf2_ie): Remove USE of fpscr.
5277 (floatsisf2): Change default expansion to match this.
5278 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
5281 2000-09-15 Richard Henderson <rth@cygnus.com>
5283 * expmed.c (store_bit_field): Consider naturally aligned
5284 memory for direct reference.
5286 2000-09-15 Richard Henderson <rth@cygnus.com>
5288 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
5289 AND addresses into alias set 0.
5290 (alpha_expand_unaligned_store): Likewise.
5291 (alpha_expand_unaligned_load_words): Likewise.
5292 (alpha_expand_unaligned_store_words): Likewise.
5294 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5296 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
5297 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
5299 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
5300 rsize of UNITS_PER_WORD.
5302 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
5304 * cpplex.c (ON_REST_ARG): Correct the test.
5305 (maybe_paste_with_next): Duplicate a token that fail pasting,
5306 and clear its PASTE_LEFT flag, so that nested pasting attempts
5309 2000-09-14 Richard Henderson <rth@cygnus.com>
5311 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
5312 * cse.c (rtx_cost): Likewise.
5313 * optabls.c (expand_binop): Likewise.
5314 (expand_twoval_binop, prepare_cmp_insn): Likewise.
5315 * regclass.c (copy_cost): Likewise.
5316 * reload1.c (reload_cse_move2add): Likewise.
5318 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
5320 * c-parse.in (reswords): Add _Complex.
5322 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5324 * gcc.1: Delete documentation for -undef preprocessor option.
5326 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
5328 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5329 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
5330 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5331 Remove undefine before config/elfos.h.
5332 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
5334 2000-09-14 Kazu Hirata <kazu@hxi.com>
5336 * invoke.texi (H8/300 Options): Add -ms2600.
5337 * config/h8300.c (h8300_init_once): Output an error when -ms2600
5338 is used without -ms.
5339 * config/h8300.h (TARGET_MAC): New.
5340 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
5341 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
5342 machine other than H8/S2600.
5343 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
5346 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
5348 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
5349 pseudos that refer to the original pseudos, not only to their
5350 equivalent memory locations.
5352 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5354 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
5355 when making new MEM.
5357 * Makefile.in (LN): Remove duplicate definition.
5359 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5361 From Joern Rennecke:
5362 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
5363 on an insn and function_invariant_p returns nonzero for the source,
5364 add a REG_EQUAL note.
5366 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
5368 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
5369 conflict with frame_pointer_rtx.
5371 2000-09-13 Kazu Hirata <kazu@hxi.com>
5373 * loop.c: Fix formatting.
5376 2000-09-13 Richard Henderson <rth@cygnus.com>
5378 * config/ia64/ia64.md (divsf3): New.
5379 (divsf3_internal_lat, divsf3_internal_thr): New.
5380 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
5381 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
5382 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
5383 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
5384 (nmadddf4_alts, nmadddf4_trunc): New.
5385 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
5386 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
5387 (multf3_truncsf_alts, multf3_truncdf_alts): New.
5388 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
5389 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
5390 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
5391 (nmaddtf4_truncdf_alts): New.
5392 (recip_approx): Don't predicate.
5394 2000-09-13 Richard Henderson <rth@cygnus.com>
5396 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
5398 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5400 * flags.h (flag_dump_rtl_in_asm): Declare.
5401 * toplev.c (flag_dump_rtl_in_asm): Define.
5402 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
5403 if -dP is specified.
5404 * rtl.h (print_rtx_head): Declare.
5405 * print-rtl.c (print_rtx_head): Define.
5406 (print_rtx): Print the string pointed to by print_rtx_head
5407 at beginning of each dump line.
5408 (print_rtl): Likewise.
5409 (print_rtl_single): Likewise.
5410 * final.c (final_scan_insn): Dump the insn in the assembly
5412 * gcc.1: Document -dP option.
5413 * invoke.texi (Debugging Options): Likewise.
5415 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5417 * md.texi (Machine Constraints): Document the 68HC11 constraints.
5418 * install.texi (Configurations): Document the 68HC11&68HC12 port.
5419 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
5421 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
5423 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
5424 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
5425 (*clrstrqi): Likewise.
5426 (xorhi3,xorsi3,absqi2): Likewise.
5427 (one_cmplhi2,one_cmplsi2): Likewise.
5428 (addsi3): Two stupid constraint alternatives removed.
5429 (extendhisi2): Use `movw' for enhanced avr cores.
5430 (zero_extendhisi2): Likewise.
5432 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
5434 * alias.c (find_base_term): Use frame_pointer_rtx
5435 when handling an ADDRESSOF.
5437 * cse.c (canon_hash): Handle USE of BLKmode memory.
5438 (cse_insn): Outgoing arguments for a libcall don't
5439 affect any recorded expressions.
5441 2000-09-12 Tom Tromey <tromey@cygnus.com>
5443 * configure, config.in: Rebuilt.
5444 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
5446 2000-09-12 Jakub Jelinek <jakub@redhat.com>
5448 * c-lex.c (lex_string): Use charwidth to compute bytemask.
5449 * expr.c (expand_expr): Don't optimize constant array references
5450 initialized with wide string constants.
5452 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5454 * loop.c (note_set_pseudo_multiple_uses): Correct.
5456 2000-09-12 Jim Wilson <wilson@cygnus.com>
5458 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
5459 else block, and X has side-effects, then fail.
5461 2000-09-12 Greg McGary <greg@mcgary.org>
5463 * config/mips/mips-protos.h
5464 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
5465 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
5466 (PREDICATE_CODES): Add "trap_cmp_op".
5467 * config/mips/mips.c
5468 (trap_cmp_op, mips_gen_conditional_trap): New functions.
5469 * config/mips/mips.md (trap, conditional_trap): New patterns.
5471 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5473 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
5476 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5478 * builtins.c (built_in_decls): New array.
5479 (expand_builtin_fputs): New function.
5480 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
5482 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
5484 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
5486 * tree.h (built_in_decls): New array.
5488 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
5490 * convex.md: Use "+" instead of "=" for outputs wrapped in a
5492 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
5494 2000-09-12 Kazu Hirata <kazu@hxi.com>
5496 * haifa-sched.c: Fix formatting.
5498 * genattrtab.c: Fix formatting.
5500 * unroll.c: Fix formatting.
5502 2000-09-12 Bruce Korb <bkorb@gnu.org>
5504 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
5505 remove obsolete code
5506 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
5507 * fixinc/fixincl.tpl: make non-exported arrays static scope
5508 * fixinc/fixincl.x: regenerate
5509 * fixinc/fixlib.h: Use PARAMS, not _P_
5510 * fixinc/fixtests.c: make a type for the test proc & use it
5511 * fixinc/server.h: Use PARAMS, not _P_
5513 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5515 * c-typeck.c (process_init_element): Avoid union init warnings on
5516 floating point zero. Don't crash on unions containing structs.
5518 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
5520 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
5521 general_movsrc_operand, and remove CONST_INT from
5522 general_movdst_operand.
5524 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5526 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
5527 if a reference to non-fixed hardreg is seen. Otherwise, count hard
5528 regs with a higher cost.
5529 (preferrable): Deal with cases where either cost or regcost is
5531 (cse_insn): Use MAX_COST rather than 10000. Always initialize
5533 (COSTS_N_INSNS): Move definition...
5535 (MAX_COST): New macro.
5536 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
5539 2000-09-11 Mark Mitchell <mark@codesourcery.com>
5541 * c-common.h (genrtl_clear_out_block): Remove.
5542 * c-semantics.c (genrtl_clear_out_block): Remove.
5543 (genrtl_while_stmt): Don't call it.
5544 (genrtl_for_stmt): Likewise.
5546 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5548 * cppfiles.c: Move all default-#defines to top of file.
5549 (open_include_file): Replace by lookup_include_file.
5550 (read_with_read, read_file): Merged into read_include_file.
5551 (stack_include_file, purge_cache): New functions.
5552 (close_cached_fd): Delete.
5553 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
5554 Cache the in-memory buffer, not the file descriptor.
5556 * cpphash.h (struct include_file): Add buffer, st, refcnt,
5558 (xcnew): New utility macro.
5559 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
5560 * cpplib.h (struct cpp_buffer): Remove mapped field.
5562 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5564 * cpplex.c (parse_string): Accept backslash space newline as a
5566 (lex_line): Likewise.
5567 (_cpp_get_token): Remove hard limit on macro nesting.
5569 2000-09-12 Philipp Thomas <pthomas@suse.de>
5571 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
5572 * configure: Rebuilt.
5574 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5576 * flow.c (split_block): Fix update of registers live at
5579 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5581 * i386.md (add?i_3, add?i_5): New.
5582 (add?i_4): Rename from add?i_3; Fix compare pattern.
5583 (sub?i_3, xor?i_3, ior?i_3): New.
5585 * genrecog.c (write_tree): Output code to clear insn_extract cache.
5586 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
5587 instead of extract_insn and extract_constrain_insn_cache instead of
5588 extract_insn and constrain_operands.
5589 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
5591 (extract_insn): Clear which_alternative.
5592 (constrain_operands): Set which_alternative to -1 when failed.
5593 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
5596 2000-09-11 Matthew Hiller <hiller@redhat.com>
5598 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
5599 on operand 0 to '+'.
5600 (movstricthi): Likewise.
5602 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5604 * loop.h (LOOP_IVS): New macro.
5605 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
5606 (struct loop_ivs): New.
5607 (struct loop_info): Add ivs field.
5608 (reg_iv_type, reg_iv_info): Delete prototype.
5609 (reg_biv_class, loop_iv_list): Likewise.
5610 * loop.c (record_biv, find_life_end): Pass loop argument.
5611 (reg_iv_type): Remove global array and use
5612 field in loop_regs structure within loop_ivs structure.
5613 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
5614 (first_increment_giv, last_increment_giv): Use entry in
5616 (record_initial): Pass ivs pointer.
5617 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
5619 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5621 * loop.h (LOOP_REGS): New macro.
5622 (struct loop_regs): New.
5623 (struct loop_info): Add regs field.
5624 * loop.c (set_in_loop): Remove global array and store
5625 in loop_regs structure as part of loop_info structure.
5626 (n_times_set, may_not_optimize): Likewise.
5627 (reg_single_usage, moved_once): Likewise.
5628 (count_one_set): Add regs argument.
5629 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
5630 (set_pseudo_multiple_uses): Pass regs pointer.
5632 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5634 * unroll.c (iteration_info): Subsume into loop_iterations.
5635 * loop.h (loop_info): New field iv.
5637 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5639 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
5640 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
5641 (flow_loops_update): New prototype.
5642 (flow_loops_find): Add flags to prototype.
5643 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
5644 * flow.c (flow_loop_pre_header_scan): New.
5645 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
5646 (flow_loop_free): Free pre-header root and trace and exit dominators.
5647 (flow_loops_find): New argument flags.
5648 (flow_loops_update): New function.
5649 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
5651 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5653 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
5654 * flow.c (split_block, update_bb_for_insn): New functions.
5656 2000-09-11 Richard Henderson <rth@cygnus.com>
5658 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
5660 2000-09-11 Richard Henderson <rth@cygnus.com>
5662 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
5663 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
5664 (ia64_override_options): Prevent optimizing division for both
5665 latency and throughput.
5666 (rtx_needs_barrier): Handle frcpa.
5667 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
5668 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
5669 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
5670 (TARGET_SWITCHES): Add -minline-divide-min-latency and
5671 -minline-divide-max-throughput.
5672 (PREDICATE_CODES): Update.
5673 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
5674 (zero_extendsidi2): Likewise. Fix typo in f case insn.
5675 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
5676 (extendsftf2): Likewise.
5677 (extenddftf2): Likewise.
5678 (fix_trunctfdi2_alts): New.
5679 (fixuns_trunctfdi2_alts): New.
5680 (madd*4): Rename from madd*3.
5681 (divsi3, modsi3, udivsi3, umodsi3): New.
5682 (divsi3_internal): New.
5683 (divdi3, moddi3, udivdi3, umoddi3): New.
5684 (divdi3_internal_lat, divdi3_internal_thr): New.
5685 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
5686 (recip_approx): New.
5688 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
5690 * print-rtl.c (debug_call_placeholder_verbose): New variable.
5691 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
5693 * integrate.c (copy_rtx_and_substitute): Don't share
5694 LEAF_REG_REMAPpable registers with the inlined function. Don't
5695 share the function value with calling sequences.
5697 2000-09-11 Jakub Jelinek <jakub@redhat.com>
5699 * c-decl.c (do_case): Fix a typo.
5701 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
5702 to a if the comparison is floating mode and not -ffast-math.
5703 * simplify-rtx.c (simplify_ternary_operation): Likewise.
5705 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5707 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
5708 gen_ic_invalidate_line.
5710 2000-09-11 Philip Blundell <pb@futuretv.com>
5712 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
5714 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
5716 * install.texi (LANGUAGES): Update to include new languages.
5719 2000-09-11 DJ Delorie <dj@redhat.com>
5721 * gcc.c (main): Don't warn about unused -B prefixes
5722 (unused_prefix_warnings): remove
5724 2000-09-11 Kazu Hirata <kazu@hxi.com>
5726 * final.c: Fix formatting.
5728 * integrate.c: Fix formatting.
5730 2000-09-11 Geoff Keating <geoffk@cygnus.com>
5732 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
5734 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
5736 * reload.c (regno_clobbered_p): Fix thinko in previous change.
5738 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5740 * gcc.1: Document 68hc11 specific options.
5742 2000-09-10 Geoff Keating <geoffk@cygnus.com>
5744 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
5745 (TARGET_LONG_DOUBLE_128): Define.
5746 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
5747 (LONG_DOUBLE_TYPE_SIZE): Redefine.
5748 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5749 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
5750 of __LONG_DOUBLE_128__.
5751 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
5753 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
5754 (CPP_SYSV_DEFAULT_SPEC): Define.
5755 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
5756 (INIT_TARGET_OPTABS): Define.
5758 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
5759 (RS6000_UITRUNC): Likewise.
5760 (INIT_TARGET_OPTABS): New macro.
5761 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
5762 (trunc_defined): Delete.
5763 (output_prolog): Don't output .extern definitions for fp->int
5764 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
5765 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
5766 (trunc_defined): Delete.
5767 (RS6000_ITRUNC): Moved to aix.h.
5768 (RS6000_UITRUNC): Likewise.
5769 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
5770 only emit a libcall.
5771 (fixuns_truncdfsi2): Delete.
5772 (trunc_call): Delete.
5773 (trunc_call_rtl): Delete.
5775 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5777 * varasm.c (make_decl_rtl): Restore leading star on
5778 DECL_ASSEMBLER_NAME set for decls with an asmspec.
5780 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5782 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
5783 won't give a spurious error for '#pragma pack()'. Simplify
5784 control flow for readability. 'reset' action is not necessary.
5786 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5788 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
5789 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
5790 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
5791 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
5793 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
5794 profile.c, sdbout.c, tradcif.y, tree.c:
5795 Include defaults.h if not already included.
5796 Don't define the above macros.
5798 * Makefile.in: Update dependencies.
5800 2000-09-10 Mark Mitchell <mark@codesourcery.com>
5802 * c-common.h (add_stmt): Change prototype.
5803 (RECHAIN_STMTS): New macro.
5804 (CASE_LABEL_DECL): Likewise.
5805 (genrtl_case_label): Change prototype.
5806 (c_expand_start_case): Remove prototype.
5807 (build_case_label): Change prototype.
5808 (decl_constant_value): Declare.
5809 * c-common.c (check_case_value): Handle C++'s extensions to C
5811 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
5813 * c-parse.in (stmt): Adjust handling of return statements and case
5815 * c-semantics.c (add_stmt): Return the new statement.
5816 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
5817 returned expression. Directly generate RTL, rather than calling
5819 (genrtl_switch_stmt): Don't call c_expand_start_case.
5820 (build_case_label): Take the LABEL_DECL as input, too.
5821 (genrtl_case_label): Just call add_case_node.
5822 (expand_stmt): Adjust calls to genrtl_return_stmt and
5824 * c-tree.h (c_expand_start_case): Declare.
5825 * c-typeck.c (decl_constant_value): Give it external linkage.
5826 (c_expand_return): Don't call expand_return or expand_null_return;
5827 use genrtl_return_stmt instead.
5828 * stmt.c (struct nesting): Remove num_ranges field.
5829 (add_case_node): Give it external linkage.
5830 (expand_start_case): Don't set num_ranges.
5831 (expand_start_case_dummy): Don't clear it.
5832 (pushcase): Rely on add_case_node to handle `default' labels.
5833 (add_case_node): Handle `default' labels.
5834 * tree.c (tree_int_cst_compare): New function.
5835 * tree.h (tree_int_cst_compare): Declare.
5836 (add_case_node): Likewise.
5838 2000-09-10 Richard Henderson <rth@cygnus.com>
5840 * c-parse.in: Revert last change.
5841 (init_reswords): Do not enter disabled keywords into the ridpointers
5842 table, modulo objc weirdness.
5843 (_yylex): Return the canonical spelling for a keyword.
5845 2000-09-10 Philip Blundell <philb@gnu.org>
5847 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
5848 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
5850 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
5852 * alias.c (find_base_term): Handle ADDRESSOF.
5853 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
5855 2000-09-10 Denis Chertykov <denisc@overta.ru>
5857 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
5858 outputting templates with many lines.
5860 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5862 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
5863 to decide whether 64-bit support must be generated.
5865 2000-09-10 Richard Henderson <rth@cygnus.com>
5867 * c-parse.in (asm patterns): Fix volatile check.
5869 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5871 * cppmacro.c (check_trad_stringification): New function.
5872 (save_expansion): If -Wtraditional, warn about stringification of
5875 2000-09-11 Michael Hayes <mhayes@cygnus.com>
5877 * loop.h (struct loop_mem_info): Move from loop.c
5878 (struct loop_info): Add fields store_mems, mems, mems_idx,
5879 mems_allocated, unknown_address_altered,
5880 unknown_constant_address_altered, num_mem_sets, and
5881 first_loop_store_insn.
5883 * loop.c (loop_store_mems): Replace with field in loop_info struct.
5884 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
5885 (unknown_address_altered, unknown_constant_address_altered): Likewise.
5886 (num_mem_sets): Likewise.
5887 (replace_loop_mems, replace_loop_regs): New.
5888 (struct loop_replace_args): New.
5889 (load_mems): Use replace_loop_mems.
5890 (try_copy_prop): Use replace_loop_regs.
5891 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
5893 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5895 * configure.in: Recognize m6811-elf and m6812-elf.
5896 * configure: Regenerate.
5898 2000-09-09 Geoff Keating <geoffk@cygnus.com>
5900 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
5903 2000-09-10 Michael Hayes <mhayes@cygnus.com>
5905 * loop.c (struct movables): New.
5906 (num_movables): Move into struct movables.
5907 (the_movables): Change type to struct movables.
5908 (ignore_some_movables): Change struct movable arg to struct movables.
5909 (force_movables, combine_movables, regs_match_p): Likewise.
5910 (rtx_equal_for_loop_p, move_movables): Likewise.
5911 (scan_loop): Change movables to be of type struct movables.
5912 Replace last_movable with field in movables structure.
5914 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
5916 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
5917 (init_pragma): Avoid warning if pfile happens to be unused.
5918 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
5919 define init_pragma to nothing. Always prototype
5920 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
5922 * c-lex.c (process_directive): Always call dispatch_pragma.
5923 Initialize entering_c_header to 0.
5925 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5927 * config/m68hc11/m68hc11.md: New file, machine description for
5929 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
5930 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
5931 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
5932 * config/m68hc11/m68hc11-protos.h: New file.
5933 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
5934 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
5935 * config/m68hc11/xm-m68hc11.h: New file, target defs.
5936 * config/m68hc11/larith.asm: New file, libgcc routines.
5938 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5940 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
5941 (FPBIT_FUNCS): Add _usi_to_sf.
5942 * config/fp-bit.c (usi_to_float): New function.
5943 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
5944 (usi_to_float): Add appropriate #define.
5946 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
5948 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
5950 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
5951 * i386.md (attr "type"): Add sse and mmx types.
5952 (attr "memory"): Handle them without a crash.
5953 (movsi_1, movdi_2): Allow MMX regs.
5954 (movdi splits): Don't split moves involving MMX regs.
5955 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
5956 (movv4sf_internal, movv4si_internal, movv8qi_internal,
5957 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
5958 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
5959 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
5960 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
5961 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
5962 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
5963 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
5964 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
5965 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
5966 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5967 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5968 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
5969 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
5970 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5971 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5972 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
5973 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
5974 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
5975 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
5976 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
5977 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5978 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5979 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
5980 mmx_clrdi): New patterns.
5982 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
5984 * arm.c: Don't include tm.h directly.
5986 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
5988 * recog.c (validate_replace_rtx_1): Fix confusion about equality
5989 testing; simplify subregs of constants and nested subregs.
5991 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
5993 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
5995 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
5997 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
5999 * rtl.texi (description of USE): Add note about possible pitfalls
6001 From Richard Henderson:
6002 * reload1.c (choose_reload_regs): Compute need_mode properly.
6004 2000-09-07 Richard Henderson <rth@cygnus.com>
6006 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6007 (__modsi3, __umodsi3): Likewise.
6008 (__udivsi3): Likewise. Normalize the TFmode values.
6010 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6012 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6014 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6017 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6019 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
6020 (cmpeqdi_t): Add output pattern.
6021 (cmpeqdi_t+1): Don't split when not optimizing.
6022 Restore proper splitting operation.
6024 2000-09-07 Richard Henderson <rth@cygnus.com>
6026 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
6027 do not call dispatch_pragma.
6029 2000-09-07 Jim Wilson <wilson@cygnus.com>
6031 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
6032 to CLASS_CANNOT_CHANGE_MODE.
6033 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
6034 mode classes are different.
6036 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6038 * cpplib.h (struct cpp_options): Add user_label_prefix member,
6039 left out of commit which removed cppulp.c.
6041 2000-09-07 Richard Henderson <rth@cygnus.com>
6043 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
6044 after switch for CASE_DROPS_THROUGH.
6046 2000-09-07 Richard Henderson <rth@cygnus.com>
6048 * loop.c (strength_reduce): Call check_ext_dependant_givs.
6049 Properly extend the biv initial value for the giv.
6050 (record_biv): Zero ext_dependant.
6051 (record_giv): New argument ext_val. Update all callers.
6052 (general_induction_var): Likewise.
6053 (consec_sets_giv): Likewise.
6054 (simplify_giv_expr): Likewise. Fill in ext_val if we find
6055 a sign-extend, zero-extend, or truncate.
6056 (combine_givs_p): Make sure modes are compatible.
6057 (check_ext_dependant_givs): New.
6058 (extend_value_for_giv): New.
6059 * loop.h (struct induction): Add ext_dependant.
6060 * unroll.c (iteration_info): Extend the biv initial value for the giv.
6061 (find_splittable_givs): Likewise.
6062 (final_giv_value): Likewise.
6064 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6066 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
6067 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
6068 definitions from cpplib.h.
6069 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
6071 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
6072 documentation for REGISTER_TARGET_PRAGMAS.
6074 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
6075 default-pragma callback to implement -Wunknown-pragmas if
6077 * c-parse.in: Move all includes to top of file.
6078 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
6080 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
6082 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
6084 * arm.h, arm-protos.h, arm.c,
6085 c4x.h, c4x-protos.h, c4x.c,
6086 h8300.h, h8300-protos.h, h8300.c,
6087 i370.h, i370-protos.h, i370.c,
6088 i960.h, i960-protos.h, i960.c,
6089 sh.h, sh-protos.h, sh.c,
6090 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
6091 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
6093 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
6094 multiple include guard.
6095 * i370.md (untyped_call): Use GEN_CALL.
6096 (umodsi3): Remove unused variable.
6097 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
6098 * v850.c (output_move_single, output_move_double): Constify
6100 (print_operand): Constify a char *.
6101 * v850.h (struct small_memory_info): Constify name member.
6103 2000-09-07 Kazu Hirata <kazu@hxi.com>
6105 * config/h8300.h: Fix comment typos.
6106 * config/h8300/h8300.md: Likewise.
6107 * config/h8300/lib1funcs.asm: Likewise.
6109 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
6111 * Makefile.in: Remove references to cppulp.{c,o}.
6112 * cppinit.c (initialize_builtins, cpp_start_read,
6113 cpp_handle_option): Update to use cpp_options structure.
6116 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
6118 * c-common.c (time_char_table): Allow %#b and %#h.
6120 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6122 * reorg.c (find_end_label): If the basic block reorder pass moves the
6123 return insn to some other place try to locate it again and put our
6124 end_of_function_label there.
6125 * reorg.c (relax_delay_slots): Check if find_end_label created a
6126 new label that invalidates the current optimazation.
6128 2000-09-07 Catherine Moore <clm@redhat.com>
6130 * unroll.c (unroll_loop): Check for unconditional jumps
6131 to loop continuation. Delete if n_iterations is 1.
6132 (ujump_to_loop_cont): New routine.
6134 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
6136 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
6138 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
6139 to handle multiword modes correctly. All callers and the declaration
6142 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6144 * c-common.h (prep_stmt): Declare.
6145 (lang_expand_stmt): Likewise.
6146 * c-decl.c (lang_expand_stmt): Remove.
6147 * c-semantics.c (lang_expand_stmt): Define.
6148 (prep_stmt): New function.
6149 (expand_stmt): Handle common statement types here.
6151 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
6153 * configure.in (sh-*-linux*): Added.
6154 * configure: Rebuilt.
6155 * config/sh/t-linux: New file.
6156 * config/sh/sh.h (USERMODE_BIT): Define.
6157 (TARGET_USERMODE): Likewise.
6158 (TARGET_SWITCHES): New switches for the bits above.
6159 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
6160 * config/sh/linux.h: New file.
6161 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
6162 underscore on linux.
6163 (L_sdivsi3, L_udivsi3): Define for linux.
6164 (L_ic_invalidate): Define.
6165 * invoke.texi (SH Options): Document -musermode.
6167 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
6169 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
6170 CSE unless generating PIC.
6172 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
6175 2000-09-06 H.J. Lu (hjl@gnu.org)
6177 * Makefile.in (clean_s1): Depend on stage_b.
6178 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
6179 stage2. They are used for "make compare".
6181 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6183 Move statement-tree facilities from C++ to C front-end.
6184 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
6185 (void_zero_node): New macro.
6186 (struct stmt_tree_s): New type.
6187 (stmt_tree): New typedef.
6188 (struct language_function): New type.
6189 (last_tree): New macro.
6190 (last_expr_type): Likewise.
6191 (walk_tree_fn): New typedef.
6192 (current_stmt_tree): New function.
6193 (begin_stmt_tree): Likewise.
6194 (add_stmt): Likewise.
6195 (finish_stmt_tree): Likewise.
6196 (statement_code_p): Likewise.
6197 (lang_statement_code_p): New variable.
6198 (walk_stmt_tree): New function.
6199 (STMT_IS_FULL_EXPR_P): New macro.
6200 * c-common.c (lang_statement_code_p): New variable.
6201 (c_common_nodes_and_builtins): Initialize void_zero_node.
6202 (statement_code_p): New function.
6203 (walk_stmt_tree): Likewise.
6204 * c-decl.c (language_function): Rename to ...
6205 (c_language_function): ... this. Include language_function.
6206 (push_c_function_context): Adjust accordingly.
6207 (pop_c_function_context): Likewise.
6208 (mark_c_function_context): Likewise.
6209 (current_stmt_tree): Define.
6210 * c-semantics.c (begin_stmt_tree): New function.
6211 (add_stmt): Likewise.
6212 (prune_unused_decls): Likewise.
6213 (finish_stmt_tree): Likewise.
6215 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6217 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
6219 2000-09-06 Kazu Hirata <kazu@hxi.com>
6221 * calls.c: Fix formatting.
6223 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
6225 * config/i386/i386.h (ADDRESS_COST): Fix typo.
6227 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6229 Integrated preprocessor.
6231 * Makefile.in: Remove all references to c-parse.gperf,
6232 c-gperf.h, and c-parse.h. Remove -d from yacc command line
6233 generating c-parse.c. Update dependencies.
6234 * c-parse.gperf, c-gperf.h: Delete.
6236 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
6237 yy_lim, or yy_get_token. Don't define get_directive_line if
6239 * c-common.h: Add multiple include guard. Define RID values
6240 for every keyword in C, C++, and Objective C. Put all the
6242 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
6243 * c-decl.c (c_decode_option): Handle -lang-objc here.
6244 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
6245 (grokdeclarator): Adjust for new RID scheme.
6246 (extract_interface_info): New stub.
6247 * c-lang.c: Don't declare yy_cur or parse_options.
6248 (lang_init_options): Call cpp_init. Don't call
6250 (lang_init): Don't call check_newline if USE_CPPLIB.
6252 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
6253 Elide lots of unnecessary code if USE_CPPLIB. Delete code
6254 rendered unnecessary by new architecture. Move routines not
6255 shared with C++ to c-parse.in. Maintain a local idea of the
6256 line number. Handle C++ as well as C.
6257 [USE_CPPLIB]: Declare and register callbacks for #ident and
6258 for entering/leaving files.
6259 (init_c_lex, c_lex): Are now the entry points to this file.
6260 (check_newline): Break out directive handling to
6262 (read_ucs, is_extended_char, utf8_extend_token): Moved here
6264 (readescape, parse_float): Overhaul.
6265 (lex_number, lex_string, lex_charconst): Break out of c_lex
6267 (get_fileinfo, update_header_times, dump_one_header,
6268 dump_time_statistics): New and/or moved here from C++.
6269 Support per-file data needed by C++ and per-header timing
6270 statistics (C++ only, at the moment).
6271 * c-lex.h: Update prototypes. Add multiple include guard.
6272 * c-tree.h (struct lang_identifier): Add rid_code field.
6273 (C_IS_RESERVED_WORD, C_RID_CODE): New.
6275 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
6276 reinit_parse_for_function and/or position_after_white_space.
6277 (save_filename, save_lineno): Look ahead before saving.
6278 (label -> identifier ':'): Save file and line before shifting ':'.
6279 (reservedwords): No need to call get_identifier.
6280 (init_parse, finish_parse, yyerror, yylex, yyprint,
6281 make_pointer_declarator): Are now here for C/ObjC.
6282 (rid_to_yy): Conversion table from RID constants to Yacc codes.
6284 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
6285 #pragma registry. Provide dummy implementation of that
6286 interface if !USE_CPPLIB.
6287 * c-pragma.h: Update to match.
6289 * flags.h: Add multiple include guard.
6290 (flag_detailed_statistics): Moved here from C++.
6291 * toplev.c: Define flag_detailed_statistics.
6293 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
6295 * timevar.def (TV_CPP, TV_LEX): New.
6296 * timevar.h: Add multiple include guard.
6298 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
6300 * objc/objc-act.c: Don't mention yy_cur or parse_options.
6301 Initialize cpplib properly. Force lineno to 0 after first
6302 call to check_newline. Don't handle -lang-objc here.
6303 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
6305 2000-09-06 David Edelsohn <edelsohn@gnu.org>
6307 * rs6000.md: Correct function unit definitions for cr_logical and
6309 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
6310 and use portable method for >=0 and floating point >=. Remove
6311 associated matchers.
6313 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6315 * extend.texi: Mark named return value extension as deprecated.
6317 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6319 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
6322 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
6324 * toplev.c (display_help): Fix thinko in documentation.
6326 * diagnostic.h (output_buffer::indent_skip): New fields.
6327 (output_indentation): New macro.
6329 * diagnostic.c (output_indent): New function.
6330 (output_set_prefix, clear_diagnostic_info): Use.
6331 (output_emit_prefix): Predict future indentation.
6333 2000-09-06 DJ Delorie <dj@redhat.com>
6335 * Makefile.in (stage_*): add more dependencies to ensure parallel
6336 builds build correctly
6338 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
6340 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
6341 not bootstrap-lean_f.
6343 2000-09-06 Andreas Schwab <schwab@suse.de>
6345 * mklibgcc.in: Emit rule for libgcc-stage-start.
6346 * Makefile.in (stage1-start, stage2-start, stage3-start,
6347 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
6349 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
6351 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
6352 (update_equiv_regs): Likewise, except for the mn10200 kludge.
6353 (combine_regs): Likewise.
6355 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
6356 * cse.c: Include "basic-block.h".
6357 (struct table_elt): New field REGCOST.
6358 (CHEAP_REG): Delete macro.
6359 (COST): Return 0 for REGs.
6360 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
6361 (notreg_cost): Return 0 for appropriate SUBREGs.
6362 (COSTS_N_INSNS): Return N * 2.
6363 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
6365 (CHEAPER): Use new function preferrable.
6366 (insert): Initialize REGCOST member.
6367 (find_best_addr): Use approx_reg_cost for estimation of register
6369 (cse_insn): Likewise.
6370 * loop.c (iv_add_mult_cost): New function.
6371 (add_cost, shift_cost, mult_cost): Delete variables.
6372 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
6373 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
6374 Make code that detects autoinc opportunities slightly less optimistic.
6375 (simplify_giv_expr): If expression contains other reg that is also a
6376 giv, only increment benefit if this is the only use of that reg.
6377 (consec_sets_giv): Take that change into account.
6378 (combine_givs): Slightly more verbose output.
6380 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
6381 not the cost of an equivalent shift.
6382 * sh-protos.h (addsubcosts): Declare.
6383 * sh.c (addsubcosts): New function.
6384 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
6385 (RTX_COSTS): Tweak. Use addsubcosts.
6386 (ADDRESS_COST): Return higher cost for reg+reg addressing.
6388 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6390 * config/rs6000/rs6000.c (validate_condition_mode): New function.
6391 (branch_comparison_operator): Call validate_condition_mode to
6392 abort rather than returning 0.
6393 (branch_positive_comparison_operator): New function.
6394 (scc_comparison_operator): Call validate_condition_mode to abort
6395 rather than returning 0.
6396 (ccr_bit): Call validate_condition_mode. Update for
6398 (print_operand): Delete %C modifier. Update %E case
6399 to use EQ bit not SO bit.
6400 (rs6000_reverse_condition): New function.
6401 (rs6000_generate_compare): New function.
6402 (rs6000_emit_sCOND): New function.
6403 (rs6000_emit_cbranch): New function.
6404 (output_cbranch): The length of a long branch insn is
6405 now only 8 bytes. Add validate_condition_mode. Use
6406 rs6000_reverse_condition. Remove cror generation.
6408 * config/rs6000/rs6000.h: Update comments.
6409 (PREDICATE_CODES): Add new predicate. Update codes used
6410 by branch_comparison_operator and scc_comparison_operator.
6411 * config/rs6000/rs6000-protos.h: Add prototypes for
6412 new external functions.
6413 * config/rs6000/rs6000.md: Add new scheduling parameters
6414 for cr_logical instructions. Change length of branch
6416 (bCOND patterns): Call rs6000_emit_cbranch.
6417 (sCOND patterns): Call rs6000_emit_sCOND.
6418 (branch patterns): Change lengths to 4.
6419 (cr logical patterns): New.
6421 2000-09-06 Richard Henderson <rth@cygnus.com>
6423 * config/i386/i386.md (call_pop): Fix test for setting
6424 current_function_uses_pic_offset_table.
6425 (call, call_value_pop, call_value): Likewise.
6427 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6429 * timevar.c (timevar_add): Delete.
6430 (timevar_get): Also count time since the selected timer was
6431 last updated. Do not examine the timevar stack if the
6432 selected timer is standalone.
6434 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6436 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
6438 2000-09-05 Jason Merrill <jason@redhat.com>
6440 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
6441 for 'extern' arrays.
6443 2000-09-05 Richard Henderson <rth@cygnus.com>
6445 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
6446 Eliminate final copy from non-trapping case.
6447 (__divdf3, __divsf3): Likewise.
6449 2000-09-05 Richard Henderson <rth@cygnus.com>
6451 * config/ia64/ia64.md (mulhi3): Fix typo last change.
6452 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
6454 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
6456 * Makefile.in: Restructure bootstrap stages to allow clean
6457 restart after failure.
6459 2000-09-05 Richard Henderson <rth@cygnus.com>
6461 * config/ia64.md (movsi and movdi patterns): Allow moves from
6462 8-bit constants to AR registers.
6464 2000-09-05 Richard Henderson <rth@cygnus.com>
6466 * config/ia64/ia64.md (mulhi3): New.
6468 2000-09-05 Richard Henderson <rth@cygnus.com>
6470 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
6471 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
6472 Optimization Guide, minimum latency alternative.
6473 (__moddi3, __udivdi3, __umoddi3): Likewise.
6474 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
6476 2000-09-05 Bruce Korb <bkorb@gnu.org>
6478 * fixinc/fixincl.c (load_file): always read header files
6479 with sizes that are a multiple of the page size.
6480 & use libiberty's getpagesize for determining that.
6482 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
6484 * gcse.c (hash_string_1): Add prototype.
6485 * cse.c (canon_hash_string): Likewise.
6487 2000-09-04 Craig Newell <CraigN@ieee.org>
6489 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
6491 2000-09-04 Andreas Schwab <schwab@suse.de>
6493 * Makefile.in (STAGESTUFF): Remove libgcc.
6494 (stage1-start, stage2-start, stage3-start): Copy the contents of
6495 the libgcc directory explicitly.
6496 (mostlyclean): Clean libgcc.
6498 2000-09-04 Andrew Haley <aph@redhat.com>
6500 * dwarf2out.c: (stack_adjust_offset): New prototype.
6502 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
6504 * combine.c (make_extraction): Fix rtx_cost comparison to
6507 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
6509 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
6510 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
6511 Add '*' to insn pattern name.
6513 2000-09-04 Jakub Jelinek <jakub@redhat.com>
6515 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
6516 use posn - 1 to index into tokens array.
6517 (maybe_paste_with_next): Adjust caller.
6519 2000-09-03 Geoff Keating <geoffk@cygnus.com>
6521 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
6523 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
6524 (REGNO_REG_CLASS): Use symbolic register
6527 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
6529 * arm.c (final_prescan_insn): If the form of a jump insn isn't
6530 recognized, don't try to conditionally execute it.
6532 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
6534 * config/avr/avr.md ("*tablejump_lib"): New pattern.
6535 (call_value_insn): Right length claculation.
6536 (call_insn): Likewise.
6538 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
6540 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
6541 gas_output_limited_string, gas_output_ascii, output_movqi,
6542 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
6543 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
6544 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
6545 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
6546 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
6547 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
6548 Add "const" as needed to remove warnings.
6550 * config/avr/avr.c (avr_override_options, avr_init_once,
6551 function_prologue, function_epilogue, frame_pointer_required_p,
6552 class_likely_spilled_p, order_regs_for_local_alloc,
6553 avr_address_cost, avr_ret_register): Use K&R style arguments.
6554 (initial_elimination_offset, gas_output_limited_string):
6555 Remove ATTRIBUTE_UNUSED from the used arguments.
6556 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
6557 Use local variables src, dest, base to access operands[].
6558 Rename reg_dest to reg_src if that's what it is.
6559 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
6560 constants to LD_REGS if reg_was_0.
6561 (output_reload_insisf): Change arg 3 to insn length and set it.
6562 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
6563 access to 16-bit I/O register pairs.
6564 (avr_address_cost): Lower cost for the above case.
6565 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
6566 may be clobbered, also for LD_REGS.
6567 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
6570 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
6572 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
6573 macro to test_hard_reg_class function.
6574 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
6575 for loading immediate constants to LD_REGS.
6576 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
6579 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
6581 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
6582 * config/avr/libgcc.S: Lost part of the previous patch.
6584 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6586 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
6587 object before calling pthread_mutex_init.
6589 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
6591 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
6592 config/sh/crtn.asm: New files.
6593 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
6594 (crt1.o, crti.o, crtn.o): New targets.
6595 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
6597 * configure: Rebuilt.
6598 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6599 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
6600 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6601 Undefine for config/elfos.h to redefine.
6602 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
6604 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6606 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
6607 legitimize_pic_address, output_pic_addr_const): Declare.
6608 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
6609 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
6610 (TARGET_SWITCHES): New switch -mprefergot.
6611 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
6612 (PIC_OFFSET_TABLE_REGNUM): Define.
6613 (GOT_SYMBOL_TABLE): Likewise.
6614 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
6615 (ENCODE_SECTION_INFO): Define.
6616 (FINALIZE_PIC): New macros.
6617 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
6618 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
6619 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
6620 (prepare_move_operands): Call emit_pic_move or
6621 emit_pic_const_move if appropriate.
6622 (output_far_jump): For PIC, use braf and output long offset.
6623 (machine_dependent_reorg):
6624 (sh_expand_prologue): Save and initialize the PIC register.
6625 (sh_expand_epilogue): Restore it.
6626 (initial_elimination_offset): Account for it.
6627 (nonpic_symbol_mentioned_p): New function.
6628 (legitimize_pic_address): Likewise.
6629 (output_pic_addr_const): Likewise.
6630 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
6631 (call, call_value): Use them.
6632 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
6633 symPLT_label2reg): New expands.
6634 * invoke.texi (SH Options): Document -mprefergot.
6636 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
6638 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
6639 * gcse.c (hash_string_1): New function.
6640 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
6641 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
6642 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
6643 (canon_hash_string): New function.
6644 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
6645 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
6646 (fold_rtx): Use ASM_OPERANDS accessor macros.
6647 * emit-rtl.c (copy_insn_1): Likewise.
6648 * integrate.c (copy_rtx_and_substitute): Likewise.
6649 * stmt.c (expand_asm_operands): Likewise. Give an
6650 ASM_OPERANDS rtx the mode of the output reg being set from it.
6652 2000-09-01 Fred Fish <fnf@be.com>
6654 * fix-header.c (write_rbrac): Add putc and getc to list of
6655 functions to protect against prior definition as a macro.
6657 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
6659 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
6660 (c_size_type_node): Define.
6661 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
6662 * c-common.c (enum format_lengths, enum format_std_version,
6663 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
6664 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
6665 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
6666 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
6667 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
6668 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
6669 format_types): Define.
6670 (format_char_info, print_char_table, scan_char_table,
6671 time_char_table): Rearrange for new organization of information
6672 about format length modifiers and standard versions.
6673 (T_ST): Redefine to use c_size_type_node.
6674 (check_format_info): Obtain information about length modifiers and
6675 standard versions from tables. Adjust warning message wordings.
6676 Use the name from the user's program for `ll' and `hh' length
6677 modifiers in warning messages. Use more informative names for
6678 wanted types where available (for wchar_t, wint_t, size_t, signed
6679 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
6681 2000-09-01 Jim Wilson <wilson@cygnus.com>
6683 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
6684 * combine.c (distribute_notes): Handle REG_NORETURN.
6685 * rtl.c (reg_note_name): Add REG_NORETURN.
6686 * rtl.h (enum reg_note): Likewise.
6688 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
6690 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
6691 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
6692 (emit_predicate_relation_info): Handle conditional calls with
6694 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
6695 instead of ia64_file_start.
6696 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
6697 * config/ia64/ia64.md (safe_across_calls_all,
6698 save_across_calls_normal): New patterns.
6700 * loop.c (check_final_value): Check for biv use before checking for
6701 giv use. Check for both biv and giv uses. Always set last_giv_use
6702 if there is a giv use.
6704 2000-09-01 Richard Henderson <rth@cygnus.com>
6706 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
6707 (madddi3): Likewise.
6710 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6712 * expr.c (clear_storage): Don't use emit_move_insn unless
6713 either BLKmode or proper size.
6714 (store_constructor): Don't call clear_storage if REG of wrong size.
6716 * flow.c (init_propagate_block_info): Don't mark frame dead at end
6717 of function if returns wiht stack pointer depressed.
6719 2000-09-01 Andrew Haley <aph@redhat.com>
6721 * dwarf2out.c (stack_adjust_offset): New function.
6722 (dwarf2out_stack_adjust): Break out stack adjust logic into
6723 new stack_adjust_offset function. Look inside parallels and
6724 sequences for stack adjustments.
6726 2000-08-31 Jeff Law <law@cygnus.com>
6728 * arm.md: Use no_new_pseudos to determine when it is safe
6729 to create new pseudo registers.
6731 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
6732 when we can safely allocate new registers.
6734 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
6736 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
6737 so that CONCATs are not generated for ASMs.
6738 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
6739 not generating_concat_p.
6740 * function.c (pop_function_context_from): Reset
6741 generating_concat_p.
6742 (prepare_function_start): Likewise.
6743 * rtl.c (generating_concat_p): Define.
6744 * rtl.h (generating_concat_p): Declare.
6745 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
6747 2000-08-22 Philipp Thomas <pthomas@suse.de>
6748 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
6750 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
6753 2000-08-30 Greg McGary <greg@mcgary.org>
6755 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
6756 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
6757 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
6759 2000-08-30 Greg McGary <greg@mcgary.org>
6761 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
6762 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
6763 (TREE_INT_CST): New macro.
6764 * varasm.c (const_hash, compare_constant_1, record_constant_1):
6765 Use new macro TREE_INT_CST.
6767 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
6769 * contrib.texi: Add self.
6771 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
6773 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
6774 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
6777 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6779 * fixinc/gnu-regex.c: Don't define `const'.
6781 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6783 * expr.c (store_constructor): Allow variable bounds of array type.
6784 (expand_expr): Don't blow up if type is ERROR_MARK.
6785 * varasm.c (output_constructor): Don't access lower bound of array
6786 type unless need it if index is supplied (so it can be a variable
6787 if no index is supplied).
6788 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
6789 Other minor cleanups.
6791 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6793 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
6794 for compilations in stage 1 and subsequent stages, respectively.
6795 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
6796 * configure: Rebuilt.
6797 * x-vax, x-vax-gcc: Deleted.
6799 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6801 * c-common.c (declare_function_name): Use func_id_node,
6802 function_id_node, and pretty_function_id_node. Do not make
6803 __func__ visible at file scope.
6804 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
6805 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
6806 (function_id_node, pretty_function_id_node, func_id_node): New
6808 * c-decl.c (init_decl_processing): Initialize function_id_node,
6809 pretty_function_id_node, and func_id_node.
6810 (c_make_fname_decl): Correct comment.
6812 * tree.h (struct tree_identifier): Constify pointer member.
6814 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
6815 * c-pragma.h (struct weak_syms): Constify name and value members.
6816 (add_weak): Constify arguments.
6818 * calls.c (special_function_p): Constify a char *.
6819 (expand_call): Remove variable which is initialized and then
6821 * dependence.c (struct def_use, struct induction, struct subscript):
6822 Constify 'variable' member.
6823 (get_low_bound, have_induction_variable): Constify char * argument.
6824 (find_induction_variable): Add braces to avoid dangling else.
6825 (classify_dependence): Constify char * arrays.
6826 * profile.c (output_func_start_profiler): Constify a char *.
6827 * stor-layout.c (finalize_record_size): Constify a char *.
6828 * tree.c (is_attribute_p): Constify a char *.
6829 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
6831 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
6832 for comprehensibility. Do not call get_identifier if we did
6833 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
6834 create temporary string constants, not ggc_alloc_string. No
6835 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
6836 char * to hold IDENTIFIER_POINTERs.
6838 2000-08-29 Richard Henderson <rth@cygnus.com>
6840 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
6843 2000-08-29 Richard Henderson <rth@cygnus.com>
6845 * reload.c (push_secondary_reload): Allow class == reload_class
6846 if we're using a reload_in/out pattern.
6848 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
6849 the half that does not conflict with the reload register.
6850 (reload_outti): Likewise.
6852 2000-08-29 Kazu Hirata <kazu@hxi.com>
6854 * reload.c: Fix formatting.
6856 * stmt.c: Fix formatting.
6858 * gcc.c: Fix formatting.
6860 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6862 * flags.h (time_report, mem_report): New global flags.
6863 * toplev.c: Define time_report and mem_report.
6864 (f_options): Add -ftime-report and -fmem-report.
6865 (compile_file): Turn on time_report if quiet_flag is off.
6866 Call ggc_print_statistics at very end if mem_report is on.
6867 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
6869 * ggc-common.c (ggc_print_statistics): Rename to
6870 ggc_print_common_statistics; all callers changed. Scale
6871 quantities above 10K to kilobytes and above 10M to megabytes.
6872 * ggc-page.c (ggc_page_print_statistics): Rename to
6873 ggc_print_statistics. Report memory consumed by internal data
6874 structures for each allocation bucket. Scale quantities above
6875 10K to kilobytes and above 10M to megabytes.
6876 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
6877 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
6878 Define tally_leaves always.
6879 (ggc_print_statistics): New function.
6880 * ggc.h: Adjust for renamed functions.
6882 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
6884 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
6885 output_movsisf instead of which_alternative.
6887 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
6889 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
6891 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
6892 (avr_progmem_p): New prototype.
6893 (output_movsisf): Prototype declaration changed.
6894 (output_movqi): New prototype.
6895 (output_movhi): New prototype.
6896 (call_insn_operand): Likewise.
6897 (final_prescan_insn): Likewise.
6898 (avr_simplify_comparision_p): Likewise.
6899 (avr_normalize_condition): Likewise.
6900 (compare_eq_p): Likewise.
6901 (out_shift_with_cnt): Likewise.
6902 (const_int_pow2_p): Likewise.
6903 (output_reload_inhi): Prototype declaration changed.
6905 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
6906 (ldi_reg_rtx): New. rtx for r31.
6907 (avr_init_stack): Initialize as "__stack".
6908 (function_prologue): Use it.
6909 Replace all TARGET_ENHANCED with AVR_ENHANCED.
6910 (avr_mcu_name): Initialize as "avr2".
6911 (avr_enhanced_p, avr_mega_p): New variables.
6912 (mcu_types, avr_override_options): Handle all known MCU types.
6913 Also handle avr1 (only preprocess, assemble and link).
6914 (print_operand): Using of `%K' in output template removed.
6915 (out_movqi_r_mr): Optimized.
6916 (out_movhi_r_mr): Likewise.
6917 (output_movqi): New function.
6918 (output_movhi): Likewise.
6919 (out_movsi_r_mr): Optimized.
6920 (output_movsisf): Compute insn length for `adjust_insn_length'
6921 (out_movqi_mr_r): Optimized.
6922 (out_movhi_mr_r): Optimized.
6923 (adjust_insn_length): Use output_movsisf, output_movqi,
6924 output_movhi for insn length adjusting.
6925 (reg_unused_after): Use dead_or_set_p.
6926 (preferred_reload_class): Now havn't any restriction.
6927 (reg_was_0): New function.
6928 (io_address_p): Likewise.
6929 (const_int_pow2_p): Likewise.
6930 (output_reload_inhi): Likewise.
6931 (output_reload_insisf): Likewise.
6933 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
6934 (LIB_SPEC): Use -lc for all supported devices.
6935 (LIBGCC_SPEC): Use -lgcc for all supported devices.
6936 (AVR_MEGA): Define as avr_mega_p.
6937 (AVR_ENHANCED): New, define as avr_enhanced_p.
6938 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
6939 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
6940 (CRT_BINUTILS_SPECS): Handle all known MCU types.
6941 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
6942 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
6943 (ASM_SPEC): Pass -mmcu=... to the assembler.
6944 Change all -DAVR_* to -D__AVR_*__.
6945 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
6946 Rename library functions to start with two underscores.
6947 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
6949 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
6950 (SUPPORTS_WEAK): Likewise.
6951 (LDI_REG_REGNO): New. Register r31 will be used as temporary
6952 register for loading constants to r0-r14.
6954 * config/avr/avr.md: Replace all TARGET_ENHANCED with
6956 (*mov_r_sp): Removed. Handled by output_movhi.
6957 (*mov_sp_r): Likewise.
6958 (*mov_sp_r_no_interrupts): Likewise
6959 (*mov_sp_r_tiny): Likewise.
6960 (*movqi): Use output_movqi.
6961 (*reload_inqi): New.
6962 (*movhi): Use output_movhi.
6963 (*reload_inhi): New.
6964 (*negsi2): Optimized.
6965 (*negsf2): Likewise.
6966 Added peepholes (define_peephole2) for loading constants to r0-r14
6967 and for using `cpse' command.
6969 * config/avr/libgcc.S: Rename library functions to start with two
6971 Add support for enhanced core.
6972 (_moqhi3): Fix typo, now _modqi3.
6973 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
6974 (__prologue_saves__): Remove test for stack adjust by 0.
6975 (__tablejump__): New.
6977 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
6978 Add multilib support.
6980 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
6982 * loop.c (prescan_loop): Don't check unknown_address_altered
6983 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
6984 to loop_store_mems as necessary.
6985 (loop_invariant_p): Don't check unknown_address_altered
6986 or unknown_constant_address_altered.
6988 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6990 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
6992 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6994 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
6995 print just the filename.
6996 * cpplex.c (_cpp_run_directive): Add additional argument, the
6997 name to give the synthetic buffer. This defaults to
6998 translated "<command line>".
6999 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7001 (_cpp_define_builtin): New function.
7002 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7003 * cpphash.h: Update prototypes.
7005 * tradcpp.c (main): Process -D and -U simultaneously, in the
7006 order they appeared on the command line.
7008 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7010 * c-decl.c (define_label): Call warning_with_file_and_line and
7011 error_with_file_and_line instead of plain warning or error.
7013 * c-parse.in (label): Use save_filename/save_lineno to ensure
7014 correct values for calls to define_label.
7016 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7018 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
7020 * expr.c (expand_expr, case TARGET_EXPR): Don't call
7022 * tree.h (get_file_function_name): Remove two duplicate
7025 2000-08-28 Kazu Hirata <kazu@hxi.com>
7027 * tree.c: Fix formatting.
7029 * xcoffout.c: Fix formatting.
7031 2000-08-28 Jason Merrill <jason@redhat.com>
7033 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
7035 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7037 * dwarf2out.c (dwarf2out_finish): Don't bother calling
7038 break_out_includes if it won't do anything.
7040 2000-08-28 Richard Henderson <rth@cygnus.com>
7042 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
7043 (find_reloads): Likewise.
7044 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
7045 (reload_inhi): Likewise.
7047 2000-08-28 Richard Henderson <rth@cygnus.com>
7049 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
7050 (call_insn_operand): Don't expect a surrounding mem.
7051 (constant_call_address_operand): Likewise.
7052 * config/i386/i386.h (PREDICATE_CODES): Update.
7053 * config/i386/i386.md (call patterns): Move the match_operand
7054 for the call destination inside the mem.
7056 2000-08-28 Richard Henderson <rth@cygnus.com>
7058 * local-alloc.c (requires_inout): Don't use reserved range for
7059 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
7060 * recog.c (asm_operand_ok): Likewise.
7061 (preprocess_constraints, constrain_operands): Likewise.
7062 * regclass.c (record_reg_classes): Likewise.
7063 * reload.c (find_reloads): Likewise.
7064 * reload1.c (maybe_fix_stack_asms): Likewise.
7065 (reload_cse_simplify_operands): Likewise.
7066 * stmt.c (expand_asm_operands): Likewise.
7068 * md.texi: Update constraints documentation.
7069 * tm.texi (EXTRA_CONSTRAINT): Update.
7071 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7073 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
7074 (print_die): If we don't know the offset of the
7075 target die, try the symbol. Add a trailing newline.
7076 (reverse_all_dies): New fn.
7077 (dwarf2out_finish): Call it.
7078 (break_out_includes): Reorganize for clarity.
7079 (add_sibling_attributes): Don't call reverse_die_lists.
7080 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
7082 * flags.h: Add flag_eliminate_dwarf2_dups.
7083 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
7085 2000-08-28 Jason Merrill <jason@redhat.com>
7087 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
7088 * dwarf2out.c: #include "md5.h".
7089 (DIE_LABEL_PREFIX): New macro.
7090 (dw_val_struct): Add 'external' flag to val_die_ref.
7091 (add_AT_die_ref, AT_ref): Adjust.
7092 (AT_ref_external, set_AT_ref_external): New fns.
7093 (build_abbrev_table): Call set_AT_ref_external.
7094 (value_format): Call AT_ref_external.
7095 (die_struct): Add die_symbol field.
7096 (new_die): Clear it.
7097 (dwarf_tag_name): Handle BINCL/EINCL.
7098 (dwarf2out_start_source_file): Add BINCL DIE.
7099 (dwarf2out_end_source_file): Add EINCL DIE.
7100 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
7101 (loc_checksum, attr_checksum, die_checksum): New fns.
7102 (is_type_die, is_comdat_die, is_symbol_die): New fns.
7103 (compute_section_prefix, assign_symbol_names): New fns.
7104 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
7105 (output_die): Call output_die_symbol and AT_ref_external.
7106 (output_comdat_comp_unit): New fn, split out from...
7107 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
7109 (output_pubnames, output_aranges): Abort if we see entries from
7111 * toplev.h: Declare file_name_nondirectory.
7112 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
7113 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
7114 (debug_start_source_file): Call dwarf2out_start_source_file
7115 regardless of debug verbosity.
7116 (debug_end_source_file): Similarly.
7117 * tree.h: Declare clean_symbol_name.
7118 * tree.c (clean_symbol_name): Split out from...
7119 (get_file_function_name_long): ...here.
7121 * dwarf2out.c (new_loc_descr): Use calloc.
7122 (splice_child_die): Remove the die from the right parent.
7123 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
7125 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7127 * toplev.c (decode_g_option): Don't give warning for unknown -g
7128 option; return 0 instead.
7129 (main): If -g option is not recognized by front end or
7130 language-independent code, give warning.
7132 2000-08-28 Greg McGary <greg@mcgary.org>
7134 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
7135 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
7136 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
7138 2000-08-27 Greg McGary <greg@mcgary.org>
7140 * cpplex.c (parse_string): Don't look for backslash
7141 before first char in `namebuf'.
7142 * loop.c (strength_reduce): Skip NOTEs.
7144 2000-08-27 Jason Merrill <jason@redhat.com>
7146 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
7147 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
7148 TREE_ASM_WRITTEN, either.
7149 (finish_decl): Adjust.
7151 2000-08-28 Philipp Thomas <pthomas@suse.de>
7153 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
7154 they have been incorporated into the gettext CVS. Change the text to
7155 reflect the current status of NLS. Add instructions for accessing
7156 the gettext CVS and add the patch from Martin v. Loewis.
7158 2000-08-27 Geoff Keating <geoffk@cygnus.com>
7160 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
7161 by using gen_lowpart_common.
7162 (movdi_internal64+6): Likewise.
7164 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
7166 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
7169 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
7170 numbers to the ranges used by GDB.
7172 2000-08-25 Richard Henderson <rth@cygnus.com>
7174 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
7175 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
7176 (ia64_expand_prologue): Likewise.
7177 (ia64_setup_incoming_varargs): Set it. Properly skip the current
7178 argument for stdargs.
7180 2000-08-25 Jason Merrill <jason@redhat.com>
7182 * integrate.c (expand_inline_function): Pull out the original decl.
7184 2000-08-25 Jim Wilson <wilson@cygnus.com>
7186 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
7188 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
7190 2000-08-25 Greg McGary <greg@mcgary.org>
7192 * flow.c (dump_edge_info): Use ARRAY_SIZE.
7193 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
7195 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
7197 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
7199 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
7201 * i386.c (ix86_find_base_term): New.
7202 * i386-protos.h (ix86_find_base_term): Prototype.
7203 * i386.h (FIND_BASE_TERM): Define.
7204 * alias.c (find_base_term): Use it.
7205 * tm.texi (FIND_BASE_TERM): Document it.
7207 * alias.c (true_dependence, write_dependence_p): Unchanging
7208 memory can't conflict with non-unchanging memory.
7210 * alias.c (memrefs_conflict_p): A BLKmode reference
7211 to a symbol (or CONST_INT address) always conflicts
7212 with a reference to another symbol.
7214 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
7216 * c-common.c (time_char_table): Don't allow width and flags with
7219 2000-08-25 Jakub Jelinek <jakub@redhat.com>
7221 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
7222 way as LT and LTU when the second operand has 0 in low word.
7224 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7226 * basic-block.h (struct loop): Rename `exits' field to
7227 `exit_edges'. Add `entry_edges' and `num_entries' fields.
7229 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
7230 (flow_loop_entry_edges_find): Add.
7231 (flow_edge_list_print): Rename from flow_exits_print.
7232 (flow_loops_find): Call flow_loop_entry_edges_find.
7233 (flow_loop_dump): Dump entry_edges list.
7234 (flow_loops_free): Free entry_edges.
7236 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7238 * loop.c (loop_dump_aux, debug_loop): New functions.
7239 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
7241 * flow.c (flow_loops_dump): Add callback parameter.
7242 (flow_loop_dump): Add callback parameter and call it. Move
7243 loop note debugging code to loop_dump_aux.
7245 * basic-block.h (flow_loop_dump): Add callback parameter
7246 (flow_loops_dump): Likewise.
7248 * toplev.c (rest_of_compilation): Add NULL callback function pointer
7249 to call to flow_loops_dump.
7251 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7253 * loop.c (count_loop_regs_set): Replace start and end arguments
7254 with loop argument. All callers udated.
7256 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7258 * loop.c (constant_high_bytes): Delete.
7260 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7262 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
7263 and NOTE_INSN_LOOP_VTOP to...
7264 (find_and_verify_loops) ...here.
7266 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
7268 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
7269 (fini_dummy, init_dummy): Use it.
7271 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
7273 * cpplex.c (is_macro_disabled): Caller has already checked
7274 that we're not a preprocessed file.
7276 2000-08-24 Mark Mitchell <mark@codesourcery.com>
7278 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
7279 (c-iterate.o): Remove target.
7280 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
7281 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
7282 (finish_decl): Don't handle iterators.
7283 (grokdeclarator): Likewise.
7284 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
7285 * gcc/c-gperf.h: Regenerated.
7286 * gcc/c-iterate.c: Removed.
7287 * gcc/c-lex.c (init_lex): Don't handle iterators.
7288 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
7289 (compstmt_primary_start): Remove push_iterator_stack call.
7290 (stmt): Don't allow iterator statements. Replace iterator_expand
7291 with expand_expr_stmt.
7292 (all_iter_stmt): Remove.
7293 (all_iter_stmt_simple): Likewise.
7294 (all_iter_stmt_with_decl): Likewise.
7295 * gcc/c-tree.h (ITERATOR_P): Remove.
7296 (ITERATOR_BOUND_P): Likewise.
7297 (init_iterators): Remove declaration.
7298 (iterator_expand): Likewise.
7299 (iterator_for_loop_start): Likewise.
7300 (iterator_for_loop_end): Likewise.
7301 (iterator_for_loop_record): Likewise.
7302 (push_iterator_stack): Likewise.
7303 (pop_iterator_stack): Likewise.
7304 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
7305 (readonly_warning): Likewise.
7306 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
7308 2000-08-24 Jim Wilson <wilson@cygnus.com>
7310 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
7311 Copy type in a TYPE_DECL, just like pushdecl does.
7313 2000-08-24 Richard Henderson <rth@cygnus.com>
7315 * toplev.c (main): Enable flag_reorder_blocks at -O2.
7317 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7319 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
7320 asked for one page, allocate GGC_QUIRE_SIZE of them and put
7321 the extras on the free list.
7322 (release_pages): Clean up.
7323 (ggc_set_mark): Don't adjust G.allocated here...
7324 (sweep_pages): ... do it here.
7326 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7328 * cppfiles.c (read_include_file): Rearrange initializations.
7330 2000-08-24 Richard Henderson <rth@cygnus.com>
7332 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
7334 * config/ia64/ia64-protos.h: Update.
7335 * config/ia64/ia64.c (gr_register_operand): New.
7336 (fr_register_operand, grfr_register_operand): New.
7337 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
7338 (grfr_reg_or_8bit_operand): New.
7339 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
7340 use gr_register_operand.
7341 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
7342 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
7343 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
7344 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
7345 (fr_reg_or_fp01_operand): Likewise.
7346 (not_postinc_memory_operand): New.
7347 (ia64_split_timode): Remove unused variables.
7348 (rtx_needs_barrier): Check arguments to cmpxchg.
7349 (builtin_description): Remove.
7350 (bdesc_2argsi, bdesc_2argdi): Remove.
7351 (ia64_init_builtins): Declare all builtins directly.
7352 (ia64_expand_fetch_and_op): Rewrite to be called from
7353 ia64_expand_builtin directly. Use expand_binop and co.
7354 (ia64_expand_op_and_fetch): Likewise.
7355 (ia64_expand_compare_and_swap): Likewise.
7356 (ia64_expand_binop_builtin): Remove.
7357 (ia64_expand_lock_test_and_set): New.
7358 (ia64_expand_lock_release): New.
7359 (ia64_expand_builtin): Use them.
7360 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
7361 (EXTRA_CONSTRAINT): Use it.
7362 (PREDICATE_CODES): Update.
7363 * config/ia64/ia64.md (*): Use gr_register_operand and co.
7364 (mf): Indicate that we set memory as well as use it.
7365 (fetchadd_acq_si): Show memory being modified as well.
7366 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
7367 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
7368 (lock_test_and_set_si, lock_test_and_set_di): Remove.
7369 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
7370 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
7371 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
7372 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
7373 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
7374 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
7375 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
7376 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
7377 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
7378 return type. Pretty print definitions.
7380 2000-08-24 Jim Wilson <wilson@cygnus.com>
7382 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
7383 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
7385 2000-08-24 Jason Merrill <jason@redhat.com>
7387 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
7388 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
7389 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
7390 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
7392 2000-08-24 Greg McGary <greg@mcgary.org>
7394 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
7395 and extendtab within their proper array boundaries.
7396 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
7397 for the entire array.
7399 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
7400 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
7401 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
7402 * config/fr30/fr30.c (fr30_print_operand): Likewise.
7403 * config/i386/dgux.c (output_options): Likewise.
7404 * config/i386/dgux.h (ASM_FILE_START): Likewise.
7405 * config/m88k/m88k.c (output_options): Likewise.
7406 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
7407 * config/mcore/mcore.c (mcore_output_inline_const_forced,
7408 layout_mcore_frame, handle_structs_in_regs): Likewise.
7409 * config/mips/mips.c (output_block_move): Likewise.
7410 * config/rs6000/rs6000.c (rs6000_override_options,
7411 rs6000_file_start): Likewise.
7412 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
7413 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
7414 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
7415 * builtins.c (expand_builtin_setjmp): Likewise.
7416 * expr.c (safe_from_p): Likewise.
7417 * flow.c (life_analysis): Likewise.
7418 * fold-const.c (size_int_type_wide): Likewise.
7419 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
7420 * genattrtab.c (make_length_attrs): Likewise.
7421 * genopinit.c (gen_insn): Likewise.
7422 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
7423 * global.c (global_alloc): Likewise.
7424 * local-alloc.c (find_free_reg): Likewise.
7425 * mips-tdump.c (print_symbol): Likewise.
7426 * mips-tfile.c (parse_def, parse_input): Likewise.
7427 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
7428 * stmt.c (expand_nl_goto_receiver): Likewise.
7429 * stor-layout.c (set_sizetype): Likewise.
7430 * varasm.c (decode_reg_name): Likewise.
7431 * toplev.c (decode_f_option, decode_W_option,
7432 set_target_switch, print_switch_values): Likewise.
7433 (NUM_ELEM): Remove macro.
7434 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
7436 2000-08-24 Greg McGary <greg@mcgary.org>
7438 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
7439 (MAIN_NAME_P, main_identifier_node): New macros.
7440 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
7441 * c-decl.c (start_decl, grokdeclarator, start_function,
7442 store_parm_decls, finish_function): Use MAIN_NAME_P.
7443 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
7444 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
7445 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7446 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
7448 2000-08-24 Greg McGary <greg@mcgary.org>
7450 * cppfiles.c (actual_directory): Don't write beyond `dir'
7451 when it contains "".
7452 * real.c (asctoeg): Stay within bounds of etens[][].
7454 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7456 * dependence.c (dependence_string, direction_string,
7457 dump_one_node, dump_node_dependence): Hide unused identifiers.
7458 (get_low_bound, normalize_coefficients): Match definition to
7460 (get_one_coefficient): Initialize variables `value0_is_idx' and
7462 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
7463 (ziv_test): Delete variable `idx', use parameter `sub' instead.
7464 (direction_merge): Avoid automatic aggregate initialization.
7465 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
7466 Initialize variables `dest_idx' and `src_idx'.
7467 (end_dependence_analysis): Avoid C89 style function definition.
7469 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
7471 * c-common.c (time_char_table): Don't allow width with %F.
7472 (check_format_info): Don't allow "Z" length with scanf.
7474 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
7476 * diagnostic.c (finish_diagnostic): Define.
7477 (output_do_printf): Use wrap_text instead of output_add_string.
7478 (default_print_error_function): Avoid embedded '\n'.
7480 * diagnostic.h (flush_diagnostic_buffer): Declare.
7482 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
7484 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
7486 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
7488 * Makefile.in (GCC_PASSES): Add specs.
7490 2000-08-23 Jim Wilson <wilson@cygnus.com>
7492 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
7493 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
7494 EHANDLER nor UHANDLER bit is set.
7495 (__get_except_table): Likewise.
7497 2000-08-23 Nick Clifton <nickc@redhat.com>
7499 * config/arm/lib1funcs.asm: Replace upper case condition codes
7500 with lower case versions.
7502 * config/arm/arm.h (STRUCT_VALUE): Define.
7503 (STRUCT_VALUE_REGNUM): Delete.
7505 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
7507 * cpphash.h (IN_I): New flag for directive table.
7508 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
7510 (_cpp_check_directive): If -fpreprocessed, execute directives
7511 marked with IN_I. Issue no warnings in this case.
7512 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
7514 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
7516 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
7518 (check_format_info): Support printf 'I' flag; warn about it with
7521 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
7523 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
7524 barrier can't be ignored by the alias analysis code.
7526 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
7528 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
7529 works inside fixincl.
7531 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
7533 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
7534 simplify_relational_operation() unless both operands are of
7536 * cse.c (fold_rtx): Likewise.
7538 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
7540 * rtlanal.c (rtx_unstable_p): The pic register is stable
7541 (within one function) and the actual rtx should be used
7542 when checking the registers.
7543 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
7545 * alias.c (true_dependence, write_dependence_p): Fix
7546 bug in previous patch.
7548 * i386.c (ix86_GOT_alias_set): New.
7549 (legitimize_pic_address): Use it.
7551 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
7552 only stable if its address is stable.
7553 (rtx_varies_p): An unchanging MEM can't vary if
7554 its address doesn't vary.
7556 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7558 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
7560 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7562 * vax.h (ASM_SPEC): Pass `-J' to assembler.
7563 * x-vax-gcc: New file for bootstrapping with gcc.
7564 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
7565 * configure.in: Use x-vax-gcc with gcc.
7566 * configure: Rebuilt.
7568 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7570 * toplev.c (rest_of_compilation): Rebuild label notes after
7571 post-reload splitting pass if new labels have been created.
7573 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7575 * diagnostic.h (output_buffer_state): New macro.
7576 * diagnostic.c (diagnostic_for_decl, sorry,
7577 default_print_error_function, output_do_verbatim,
7578 report_diagnostic, report_problematic_module): Use it.
7580 (output_format): Use wrap_text instead of maybe_wrap_text.
7582 2000-08-22 Nick Clifton <nickc@redhat.com>
7584 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
7585 Common code for ARM divide and modulus functions.
7586 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
7588 (FUNC_END): New macro: Common code at the end of the division and
7590 (THUMB_FUNCTION_START): New macro: Common code at the start of
7592 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
7594 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
7596 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
7598 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
7599 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
7602 2000-08-22 Nick Clifton <nickc@redhat.com>
7604 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
7605 restorative additions, test for bottom bits of IP being set,
7606 rather than relying upon the RORs not matching.
7609 2000-08-22 David Edelsohn <edelsohn@gnu.org>
7611 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
7612 text_section() as appropriate instead of emitting text csect
7614 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
7615 (UNIQUE_SECTION): Define macro.
7616 (ASM_OUTPUT_SECTION_NAME): Define macro.
7617 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
7618 on AIX if debugging and -fdata-sections always.
7620 2000-08-22 Steven King <sxking@uswest.net>
7622 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
7624 (LDBL_MAX): Same here.
7626 2000-08-22 Richard Henderson <rth@cygnus.com>
7628 * flow.c (tidy_fallthru_edge): Update b->end properly.
7630 2000-08-22 Stan Cox <scox@redhat.com>
7632 * Makefile.in (OBJS): Add dependence.o.
7633 * dependence.c: New file.
7635 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
7637 * calls.c (check_sibcall_argument_overlap_1): Adjust for
7639 (check_sibcall_argument_overlap): Likewise.
7641 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
7643 * invoke.texi (SH Options): Document -m4-nofpu,
7644 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
7645 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
7647 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
7649 * c-common.c (check_format_info): Give the 'some locales' warning
7650 for strftime %Ey rather than the unconditional 'only last 2 digits
7653 2000-08-22 Richard Henderson <rth@cygnus.com>
7655 * alias.c (init_alias_analysis): Do not register
7656 struct_value_incoming_rtx or static_chain_rtx as pointing
7659 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
7661 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
7663 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7665 * diagnostic.h (report_problematic_module): Declare.
7666 * diagnostic.c (report_problematic_module): New function.
7667 (report_error_function): Tweak.
7669 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7671 * stmt.c (expand_goto_internal, fixup_gotos): Only check
7672 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7674 2000-08-21 Richard Henderson <rth@cygnus.com>
7676 * flow.c (calculate_global_regs_live): Mark frame pointer live
7677 everywhere before reload.
7679 2000-08-21 Jim Wilson <wilson@cygnus.com>
7681 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
7682 INTEL_EXTENDED_IEEE_FORMAT.
7683 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
7684 clear last two bytes of output FP value.
7686 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
7688 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
7690 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7692 * unroll.c (loop_find_equiv_value): If ret is modified between
7693 insn and loop_start, ret might not be equivalent to reg.
7695 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7697 * c-common.c (init_dollar_format_checking,
7698 maybe_read_dollar_number, finish_dollar_format_checking): New
7700 (dollar_arguments_used, dollar_arguments_count,
7701 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
7703 (check_format_info): Support $ formats for scanf and printf width
7704 and precision. Always increment format_chars to advance past the
7705 '*' of precision, not just when the format parameters are
7708 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7710 * mips.c (block_move_loop, expand_block_move,
7711 function_arg_partial_nregs, save_restore_insns, function_prologue,
7712 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
7714 (function_arg_advance, function_arg): Match argument to format
7717 2000-08-21 Nix <nix@esperi.demon.co.uk>
7719 * gcc.c (do_spec_1): Implement %j spec flag.
7720 Remove dead comment.
7722 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
7723 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
7724 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
7725 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
7727 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
7728 writable) instead of hardcoded value.
7730 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
7732 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
7735 * gcc.c (cc1_options): Do not process -o or run the assembler if
7737 * objc/lang-spec.h: Likewise.
7739 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
7741 * fixinc/fixincl.c (fix_with_system): Pipe the output of
7742 "external" fixes through `cat', to avoid truncating the input
7743 file by redirection.
7745 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7747 * config/i386/i386.md (lea_general_1): Copy insn condition to split
7749 (lea_general_2, lea_general_3): Likewise.
7751 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7753 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
7754 warnings to user code.
7756 * c-lex.c (readescape, yylex): Likewise.
7758 * c-typeck.c (store_init_value, process_init_element): Likewise
7759 (c_expand_start_case): Format.
7761 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
7763 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
7765 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
7766 and linker_endian_spec to endian_spec.
7767 (ENDIAN_SPEC): Add %{EB} and %{EL}.
7768 (LINK_SPEC): Remove %{EB} and %{EL}.
7769 (ASM_SPEC): Likewise. Use %(endian_spec).
7771 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7773 * c-tree.h (flag_hosted): Move declaration from here...
7774 * c-common.h (flag_hosted): ... to here.
7775 (flag_noniso_default_format_attributes): New declaration.
7776 * c-decl.c (flag_noniso_default_format_attributes): New variable.
7777 (c_decode_option): Set it appropriately for options choosing
7778 language standard variant.
7779 * c-common.c (init_function_format_info): Only provide default
7780 format attributes if flag_hosted. Only provide the gettext
7781 formats if flag_noniso_default_format_attributes. Update
7783 (check_format_info): Disable treatment of %a as a scanf flag in
7786 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7788 * c-common.c (scan_char_table): Add 'w' to flags for all formats
7790 (check_format_info): Set 'wide' for scanf format widths. Warn for
7791 a zero scanf width. Make the check for writing into a constant
7792 object at the first level of indirection; at later levels, warn if
7793 any type qualifiers are encountered.
7795 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
7797 * reload.c (reload_inner_reg_of_subreg): New function broken out of
7799 (push_reload): Use reload_inner_reg_of_subreg.
7800 (combine_reloads): Do not combine reloads if the input reload
7801 is a SUBREG in which the inner part will need reloading.
7803 * global.c (global_alloc): Avoid passing dumpfile argument to
7805 * toplev.c (rest_of_compilation): Likewise.
7806 * reload.h (reload): Remove dumpfile argument. Callers changed.
7807 (debug_reload, debug_reload_to_stream): Move prototypes here.
7808 * rtl.h (reload): Remove dumpfile argument.
7809 * reload.c (debug_reload): Remove prototype.
7810 (debug_reload_to_stream): Likewise.
7811 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
7814 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7816 * diagnostic.c (context_as_prefix): Export.
7817 (need_error_newline): Remove.
7818 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
7819 (error_module_changed, record_last_error_module,
7820 error_function_changed, record_last_error_function): New functions.
7821 (initialize_diagnostics): Default intialize
7822 lang_diagnostic_starter, lang_diagnostic_finalizer.
7823 (init_output_buffer): Tweak.
7824 (file_name_as_prefix): New function.
7825 (announce_function, default_print_error_function,
7826 report_error_function, set_diagnostic_context): Tweak.
7828 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
7830 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
7831 condition expression.
7833 2000-08-20 Richard Henderson <rth@cygnus.com>
7835 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
7837 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
7839 * cppinit.c (cpp_init): Set global flag when called.
7840 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
7842 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
7844 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
7845 before `process_directive' so that newlines won't be missed
7847 (cpp_printf): Increment `print->lineno' when newline is emitted.
7849 * cppmain.c (cb_ident): Likewise.
7850 (cb_define): Likewise.
7851 (cb_undef): Likewise.
7852 (cb_include): Likewise.
7853 (cb_def_pragma): Likewise.
7854 (dump_macros_helper): Likewise.
7856 2000-08-20 Richard Henderson <rth@cygnus.com>
7858 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
7859 assigned before a loop.
7861 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
7862 (ashrsi3, lshrsi3): Likewise.
7864 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
7866 * c-lang.c: #include diagnostic.h
7867 (c_tree_printer): New function.
7868 (lang_init): Initialize lang_printer.
7870 * Makefile.in (c-lang.o): Depends on diagnostic.h
7872 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
7874 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
7876 * diagnostic.c (default_diagnostic_starter,
7877 default_diagnostic_finalizer): New functions.
7878 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
7879 (pedwarn, pedwarn_with_file_and_line, error,
7880 error_with_file_and_line, fatal, warning,
7881 warning_with_file_and_line): Adjust call to report_diagnostic.
7882 (report_diagnostic): Rework.
7883 (set_diagnostic_context): New function.
7885 * diagnostic.h (struct diagnostic_context): New data structure.
7886 (diagnostic_message, diagnostic_argument_list,
7887 diagnostic_file_location, diagnostic_line_location,
7888 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
7889 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
7890 (set_diagnostic_context): Declare.
7891 (report_diagnostic): Change prototype.
7893 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
7895 * fix-header.c (main): Initialize cpplib.
7897 2000-08-19 Michael Meissner <meissner@redhat.com>
7899 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
7900 instructions in it before checking for indirect jumps.
7902 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
7903 in a indirect jump as a potential for conditional execution.
7905 * d30v.h (d30v_init_expanders): Don't declare here.
7906 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
7909 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
7911 * cpp.texi: Add @section for assertions.
7913 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
7915 * loop.c (scan_loop): Use CONST_CALL_P instead of
7916 checking for REG_LIBCALL / REG_RETVAL.
7918 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
7920 * reload1.c (reload_as_needed): Accept dumpfile argument,
7921 pass it to emit_reload_insns.
7922 (emit_reload_insns): Add new dumpfile argument. If non-null
7923 then dump the reloads for each insn into the dumpfile.
7924 (reload): Pass dumpfile to reload_as_needed.
7926 * invoke.texi: Clean up linux-gnu vs linux comments.
7928 2000-08-19 Richard Henderson <rth@cygnus.com>
7930 * config/ia64/ia64.c (reg_or_5bit_operand): New.
7931 (ia64_depz_field_mask): New.
7932 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
7933 (PREDICATE_CODES): Update.
7934 * config/ia64/ia64.md: Update commentary.
7935 (depz_internal): New.
7936 (ashlsi3): Implement directly.
7937 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
7938 (ashldi3): Use shladd.
7939 * config/ia64/ia64-protos.h: Update.
7941 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
7943 * toplev.c (independent_decode_option): Always process -g.
7944 Remove third argument, now unused. Adjust caller to match.
7946 2000-08-18 Richard Henderson <rth@cygnus.com>
7948 * combine.c (make_compound_operation): Break after creating
7951 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
7953 * cpplib.c (cpp_register_pragma_space): Just return if the
7954 namespace is already registered.
7956 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
7958 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
7959 constant amount. Do not generate ROTL instruction.
7961 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
7963 * config/sh/elf.h: Do not include sh/sh.h.
7964 * config/sh/rtems.h: Likewise.
7965 * config/sh/rtemself.h: Do not include sh/elf.h.
7966 * configure.in: Get them included with `tm_file's.
7967 * configure: Rebuilt.
7969 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
7970 * config/sh/sh.c (fpscr_set_from_mem): Use them.
7972 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7974 * stor-layout.c (compute_record_type): Don't use mode of single
7975 field as mode of record if not integer mode of same type.
7977 * regmove.c (perhaps_ends_bb_p): New function.
7978 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
7979 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
7980 (fixup_match_1): Likewise.
7981 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
7982 avoid signed/unsigned warnings.
7984 * function.c (fixup_var_refs_1, case MEM): Update CODE after
7987 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
7989 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
7990 (_cpp_trigraph_map): Declaration moved from cpplex.c
7992 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
7993 instead of 256. Use consistent test for designated initializers.
7994 (cpp_init): Initialize trigraph_map.
7995 (initialize_standard_includes, parse_option): Use memcmp
7998 * cpplex.c (init_trigraph_map): Remove.
7999 (trigraph_ok, trigraph_replace, lex_line): Refer to
8002 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8003 (do_unassert): Remove unused "next" local.
8005 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8007 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8009 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8012 2000-08-17 Richard Henderson <rth@cygnus.com>
8014 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8015 the first insn in a sequence.
8017 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
8019 * alias.c (true_dependence, write_dependence_p): A read
8020 involving a label_ref or the constant pool doesn't create
8023 * rtl.h (unchanging): Improve documentation.
8025 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
8027 * cse.c (insert_regs): Remove unused `regno'.
8029 2000-08-17 Neil Booth <NeilB@earthling.net>
8031 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
8032 remove_dup_dirs. If qtail == brack, remove brack not
8034 (remove_dup_dir, remove_dup_dirs): New functions.
8036 2000-08-17 Neil Booth <NeilB@earthling.net>
8038 * cppinit.c (cpp_cleanup): Free include dir chains.
8039 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
8040 (do_unassert): Free the assert with _cpp_free_definition.
8041 * cppmacro.c (_cpp_free_definition): Free memory allocated for
8042 assertions. Make the node a T_VOID node.
8044 2000-08-17 Neil Booth <NeilB@earthling.net>
8046 * cppinit.c (path_include, append_include_chain):
8047 Remove 2nd parameter (struct cpp_pending *).
8048 (path_include, initialize_standard_includes, cpp_handle_option):
8049 Update callers appropriately.
8050 (cpp_handle_option): Use pend.
8052 2000-08-17 Neil Booth <NeilB@earthling.net>
8054 * cppinit.c (sort_options): Remove, put functionality in
8057 (initialize_builtins): Free memory.
8058 (cpp_start_read): Move init_IStable to cpp_init.
8060 * cpplib.h (cpp_init): New prototype.
8061 * cppmain.c (main): Call cpp_init.
8063 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
8065 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
8066 (rtx_unstable_p, rtx_varies_p): Process vectors.
8068 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8070 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
8071 references to GLOBAL symbols. Use LOCAL where appropriate.
8073 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8075 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
8076 use t-aix41 when host == target.
8078 2000-08-16 Richard Henderson <rth@cygnus.com>
8080 * reload.c (push_secondary_reload): Revert last change.
8081 If we use a reload_in/out pattern, make the when the same
8082 as the primary reload.
8083 (find_reloads): Likewise.
8085 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
8087 * configure.in (libstdcxx-v3): Fix test.
8088 * configure: Regenerate.
8090 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8092 * calls.c (calls_function_1, expand_call): Only test
8093 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8094 * function.c (thread_prologue_and_epilogue_insns): Likewise.
8096 2000-08-16 Richard Henderson <rth@cygnus.com>
8098 * combine.c (simplify_shift_const): Revert previous two
8099 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
8100 before the main loop.
8102 2000-08-15 Richard Henderson <rth@cygnus.com>
8104 * combine.c (simplify_shift_const): Bound shift count when
8107 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8109 * calls.c (ECF_SP_DEPRESSED): New macro.
8110 (calls_function_1): Treat calling sp-depressed function as alloca.
8111 (emit_call_1): Don't adjust SP if calling sp-depressed function.
8112 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
8113 If sp-depressed, ensure block saves and restores SP.
8114 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
8116 * function.c (keep_stack_depressed): New function.
8117 (thread_prologue_and_epilogue_insns): Call it.
8118 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
8119 to print DECL_OFFSET_ALIGN.
8120 Print no-force-blk and transparent-union flags properly.
8121 * stmt.c (expand_goto_internal): Don't restore stack if last block
8122 and function returns with sp depressed.
8123 (fixup_gotos): Likewise.
8124 (save_stack_pointer): New function, from code in expand_decl.
8125 (expand_decl): Call new function.
8126 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
8127 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
8128 (save_stack_pointer): New declaration.
8130 * diagnostic.c (fatal_function): New variable.
8131 (set_fatal_function): New function.
8133 * diagnostic.h (set_fatal_function): New declaration.
8135 2000-08-15 William Cohen <wcohen@redhat.com>
8137 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
8138 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
8139 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
8141 2000-08-15 Richard Henderson <rth@cygnus.com>
8143 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
8145 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8147 * arm.c (arm_function_ok_for_sibcall): New function.
8148 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
8149 * arm.md (call expanders): Don't check here for calls that can't
8152 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8154 * arm.md (splits generating cond_exec): Disable.
8156 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8158 * arm/linux-elf.h (text_section): Delete declaration.
8160 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8162 ARM support for unordered FP operations.
8163 * arm-protos.h (arm_comparison_operator): Declare.
8164 * arm.c (arm_comparison_operator): New function.
8165 (arm_select_cc_mode): Add unordered comparison codes.
8166 (get_arm_condition_code): Likewise.
8167 (arm_final_prescan_insn): Can't handle unordered jumps that can't
8168 be done in one insn.
8169 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
8170 * arm.md (all uses of comparison_operator): Replace with
8171 arm_comparison_operator.
8172 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
8174 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
8177 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8179 * gthr-posix.h: Conditionally include <sched.h>; include
8180 <config.h> from libobjc/.
8182 2000-08-14 Richard Henderson <rth@cygnus.com>
8184 * config/i386/i386.c (legitimize_pic_address): Use Pmode
8187 2000-08-14 Richard Henderson <rth@cygnus.com>
8189 * configure.in (ia64-*): Set float_format for i386 long double.
8191 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
8192 as we would for i386 XFmode.
8193 (PUT_REAL): Likewise.
8194 (endian, ereal_atof, real_value_truncate): Likewise.
8195 (ereal_isneg, toe64, etens, make_nan): Likewise.
8196 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
8198 * config/ia64/ia64-protos.h: Update.
8199 * config/ia64/ia64.c (general_tfmode_operand): New.
8200 (destination_tfmode_operand): New.
8201 (tfreg_or_fp01_operand): New.
8202 (ia64_split_timode): New.
8203 (spill_tfmode_operand): New.
8204 (ia64_expand_prologue): Use TFmode not XFmode.
8205 (ia64_expand_epilogue): Likewise.
8206 (ia64_function_arg): Likewise.
8207 (ia64_function_arg_advance): Likewise.
8208 (ia64_return_in_memory): Likewise.
8209 (ia64_function_value): Likewise.
8210 (ia64_print_operand): Likewise.
8211 (ia64_register_move_cost): Set GR<->FR to 5.
8212 (ia64_secondary_reload_class): Get GR for TImode memory op.
8213 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
8214 (ROUND_TYPE_ALIGN): Remove.
8215 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
8216 (INTEL_EXTENDED_IEEE_FORMAT): Define.
8217 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
8218 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
8219 (MODES_TIEABLE_P): Use TFmode, not XFmode.
8220 (CLASS_MAX_NREGS): Likewise.
8221 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
8222 (PREDICATE_CODES): Update.
8223 * config/ia64/ia64.md (movti): New.
8224 (movti_internal): Use a clobber for memory alternatives.
8225 (reload_inti, reload_outti): New.
8226 (movsfcc_astep): Predicate properly.
8227 (movdfcc_astep): Likewise.
8230 (extendsftf2, extenddftf2): New.
8231 (trunctfsf2, trunctfdf2): New.
8232 (floatditf2, fix_trunctfdi2): New.
8233 (floatunsditf2, fixuns_trunctfdi2): New.
8234 (addtf3, subtf3, multf3, abstf2): New.
8235 (negtf2, nabstf2, mintf3, maxtf3): New.
8236 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
8238 (fr_spill): Use TFmode, not XFmode.
8239 (fr_restore): Likewise.
8240 * config/ia64/lib1funcs.asm (__divtf3): New.
8241 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
8243 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8245 * cse.c (fold_rtx): Avoid empty body in an if-statement.
8247 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
8248 `U' integer constant suffix.
8250 * dwarf2out.c (add_subscript_info): Avoid empty body in an
8253 * sparc/sol2.h (__enable_execute_stack): Prototype.
8255 2000-08-14 David Edelsohn <edelsohn@gnu.org>
8257 * collect2.c: Remove use of AIX import file.
8259 * longlong.h: Test ARCH_PWR not ARCH_POWER.
8261 * rs6000.c (print_operand, case 'E'): Add else.
8263 2000-08-14 Richard Henderson <rth@cygnus.com>
8265 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
8266 (movdi_symbolic): New.
8268 2000-08-14 Jim Wilson <wilson@cygnus.com>
8270 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8271 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
8272 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8275 2000-08-14 Richard Henderson <rth@cygnus.com>
8277 * expr.c (emit_group_load): Don't force constants into registers.
8278 Special case source already in the correct mode.
8280 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
8282 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
8283 * fixinc/inclhack.def: Likewise.
8284 * fixinc/mkfixinc.sh: Likewise.
8285 * configure: Regenerate.
8286 * fixinc/fixincl.x: Regenerate.
8287 * install.texi: Document equivalence of linux and linux-gnu.
8289 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8291 * cse.c (insert_regs): Also in REG case: When finding an invalid
8292 value, and we make a new quantity, make sure that it won't be
8293 mistaken by for a valid one by mention_regs.
8295 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
8297 * h8300.md: Remove obsolete peepholes.
8299 2000-08-13 Kazu Hirata <kazu@hxi.com>
8301 * invoke.texi (H8/300 Options): Fix typos.
8302 * config/h8300.c: Fix formatting.
8303 * config/h8300.h: Fix comment typos.
8304 (OVERRIDE_OPTIONS): Fix formatting.
8306 * function.c: Fix formatting.
8308 * cse.c: Fix formatting.
8310 2000-08-13 Geoff Keating <geoffk@cygnus.com>
8312 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
8313 (attempt_auto_inc): Suppress parentheses warning.
8314 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
8315 * loop.c (load_mems): Remove `u' suffix in two places.
8316 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
8318 * config/rs6000/rs6000.h: Likewise.
8319 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
8320 __eabi dummy routine.
8321 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
8324 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
8325 not put stuff in .sdata unnecessarily.
8326 (rs6000_unique_section): New function.
8327 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
8328 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
8330 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
8331 arrays in C99. Don't try to look at DECL_REGISTER of a
8332 COMPONENT_REF. Don't complain twice about the same error.
8334 * fixinc/inclhack.def (aix_pthread): New fix.
8335 (aix_sysmachine): New fix.
8336 * fixinc/fixincl.x: Regenerate.
8338 * expr.c (expand_expr): Call convert_modes when turning a large
8339 multiply into a small one.
8341 2000-08-12 Geoff Keating <geoffk@cygnus.com>
8343 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
8344 the tree structure an exponent rather than an explicit alignment
8345 so it doesn't overflow.
8346 (SET_DECL_OFFSET_ALIGN): New macro.
8347 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
8348 rather than DECL_OFFSET_ALIGN.
8349 (place_field): Likewise.
8350 * expmed.c (store_bit_field): Abort on align==0 to avoid
8351 antisocial machine behaviour.
8353 2000-08-12 Richard Henderson <rth@cygnus.com>
8355 * sibcall.c (uses_addressof): Accept both addressof and
8356 current_function_internal_arg_pointer inside a mem.
8357 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
8358 if current_function_uses_addressof.
8359 * stmt.c (expand_return): Kill tail recursion and HAVE_return
8362 2000-08-11 Richard Henderson <rth@cygnus.com>
8364 * config/ia64/ia64.md (addsi3): Remove expander.
8365 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
8366 (*addsi3_shladd): New.
8368 2000-08-11 Richard Henderson <rth@cygnus.com>
8370 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
8371 (do_restore): Likewise.
8372 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
8373 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
8374 (rtx_needs_barrier): Track actual bit manipulation for
8375 ar.unat moves, gr_spill, and gr_restore.
8376 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
8377 (process_set): Don't handle varargs spills.
8378 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
8379 .mem.offset here instead of in process_set.
8380 (gr_restore): Likewise.
8382 2000-08-11 Richard Henderson <rth@cygnus.com>
8384 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
8386 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
8388 * gcc.texi (The Configuration File): Document
8389 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
8390 UPDATE_PATH_HOST_CANONICALIZATION.
8392 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8394 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
8395 unprototyped function pointer casts on integer constants.
8397 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
8399 * fixproto: Recognize DOS paths with drive letters as absolute paths.
8401 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
8403 * extend.texi (Volatiles): Fix typos.
8405 2000-08-11 Kazu Hirata <kazu@hxi.com>
8407 * flow.c: Fix formatting.
8409 2000-08-11 Richard Henderson <rth@cygnus.com>
8411 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
8412 pattern, always allocate a tertiary scratch register.
8414 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
8415 (reload_inhi): Likewise.
8417 2000-08-11 Richard Henderson <rth@cygnus.com>
8419 * function.c (put_reg_into_stack): Allow type to be NULL.
8420 (schedule_fixup_var_refs): Likewise.
8421 (gen_mem_addressof): Allow decl to be NULL.
8422 (put_addressof_into_stack): Likewise.
8424 * flow.c (merge_blocks_nomove): Be more careful about
8425 locating the beginning of block A.
8427 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
8429 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8434 * config.in: Reverted the check for <sched.h>.
8436 2000-08-10 Chris Demetriou <cgd@sibyte.com>
8438 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
8439 macros define the name of CTOR and DTOR sections.
8440 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8441 DTOR_LIST_END): Change to use attributes to specify
8443 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
8444 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8445 DTOR_LIST_END): Same as in mips/elf.h.
8447 2000-08-10 Drew Moseley <dmoseley@redhat.com>
8449 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
8450 disabling just crt0.o.
8452 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
8454 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
8455 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
8456 (EXTRA_SPECS): Add them.
8457 * arm/lib1funcs.asm: Support builds for interworking.
8458 Use macros to eliminate duplicated pieces of code.
8460 2000-08-10 Kazu Hirata <kazu@hxi.com>
8462 * h8300.c (expand_a_rotate): New.
8463 (emit_a_rotate): Likewise.
8464 (h8300_adjust_insn_length): Add support for the rotate insns.
8465 * h8300.md (rotlqi3): New.
8466 (*rotlqi3_1): Likewise.
8467 (rotlhi3): Likewise.
8468 (*rotlhi3_1): Likewise.
8469 (rotlhi3): Likewise.
8470 (*rotlhi3_1): Likewise.
8471 * h8300-proto.h: Add prototypes for expand_a_rotate and
8474 * h8300.c: Fix comment typos.
8475 (dosize): Declare the variable amount as unsigned.
8476 (get_shift_alg): Fix a comparison between signed and unsigned.
8477 (emit_a_shift): Likewise.
8478 (h8300_adjust_insn_length): Simplify the code.
8480 * c-decl.c: Fix formatting.
8482 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8484 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
8485 warning about non-traditional numeric constant suffixes.
8487 * cppexp.c (parse_number): Likewise.
8489 * invoke.texi: (-Wtraditional): Document new behavior.
8491 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8493 * gthr-posix.h: Include auto-host.h. Conditionally include
8495 * configure.in: Check for the <sched.h> header file.
8496 * config.in: Added define for HAVE_SCHED_H.
8498 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8500 * c-typeck.c (process_init_element): For -Wtraditional, warn about
8501 initialization of unions.
8503 * invoke.texi (-Wtraditional): Document new behavior.
8505 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
8507 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
8508 instead of extra_c_flags.
8509 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
8510 * configure: Regenerate.
8511 * config.in: Regenerate.
8513 * cpperror.c (cpp_type2name): New function.
8514 * cpplex.c (lex_line): If we issued an error for an invalid
8515 preprocessing directive, discard that logical line.
8516 * cpplib.c (do_line): Call a hook function if the current file
8517 is renamed by #line.
8518 (do_ident): Pass the contents of the string, not the entire
8519 token, to the callback function.
8520 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
8521 (cb.rename_file): New hook function.
8522 (cb.ident): Adjust prototype.
8523 (cpp_type2name): Prototype.
8524 * cppmacro.c (dump_macro_args): Correct precedence lossage.
8526 * cppmain.c (cb_ident): Update for changed interface.
8527 (cb_rename_file): New function.
8528 (main): Set rename callback.
8530 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
8532 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
8533 multi-word registers.
8535 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8537 * c-common.c (combine_strings, check_format_info): Refer to ISO C
8538 or ISO C89 instead of ANSI C.
8539 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
8540 build_enumerator, do_case): Likewise.
8541 * c-lex.c (parse_float, yylex): Likewise.
8542 * c-parse.in: Likewise.
8543 * c-typeck.c (common_type, build_array_ref, build_binary_op,
8544 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
8545 build_c_cast, convert_for_assignment, set_init_index,
8546 set_init_label, c_expand_start_case): Likewise.
8547 * toplev.c (documented_lang_options, display_help): Likewise.
8549 2000-08-08 Kazu Hirata <kazu@hxi.com>
8551 * h8300.c: Fix formatting.
8552 * h8300.h: Likewise.
8553 * h8300.md: Likewise.
8554 (movsi_h8300hs): Fix formatting of the resulting assembly code.
8556 * reload1.c: Fix formatting.
8558 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
8560 * alpha/alpha.c (alpha_emit_xfloating_libcall):
8561 Use GEN_CALL_VALUE define.
8562 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
8563 * clipper/clipper.md (untyped_call): Likewise.
8564 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
8565 * fx80/fx80.md (untyped_call): Likewise.
8566 * mips/mips.md (untyped_call): Likewise.
8567 * ns32k/ns32k.md (untyped_call): Likewise.
8568 * pa/pa.md (untyped_call): Likewise.
8569 * romp/romp.md (untyped_call): Likewise.
8570 * sparc/sparc.md (untyped_call): Likewise.
8572 2000-08-08 Jason Eckhardt <jle@cygnus.com>
8574 * config/i860/i860.c (singlemove_string): Do not generate assembler
8575 pseudo instructions that must be expanded (that is, with signed
8576 constants larger than 16 bits).
8578 2000-08-08 Richard Henderson <rth@cygnus.com>
8580 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
8581 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
8582 (init_propagate_block_info): Don't kill memory stores at -O0.
8583 (mark_set_1, mark_used_regs): Likewise.
8585 2000-08-08 David Edelsohn <edelsohn@gnu.org>
8587 * rs6000.c (optimization_options): Decorate 'level' as
8589 (mask64_operand): Remove sign-extend thinko.
8590 (rldic_operand): New function.
8591 (load_multiple_operation): regno's are unsigned ints.
8592 (store_multiple_operation): Likewise.
8593 (lmw_operation): Likewise.
8594 (stmw_operation): Likewise.
8595 (includes_lshift_p): shift_mask is unsigned int.
8596 (includes_lshift64_p): New function.
8597 (addrs_ok_for_quad_peep): unsigned int reg1.
8598 (print_operand): Consistently add "else" after
8599 output_operand_lossage().
8600 (print_operand, case 'b'): Fold in case 'W'.
8601 (print_operand, case 'W'): Print rldic MB value.
8602 (output_epilogue): Update Objective-C language string.
8603 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
8604 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
8605 * rs6000.md (ashldi3): Add rldic instruction.
8606 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
8607 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
8610 2000-08-08 Richard Henderson <rth@cygnus.com>
8612 * config/ia64/ia64-protos.h: Remove duplicates. Update
8613 for massive code rearrangements.
8614 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
8615 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
8616 (ia64_local_regs, ia64_need_regstk): Remove.
8617 (ar_ccv_reg_operand): New.
8618 (ia64_gp_save_reg): New.
8619 (struct ia64_frame_info): Combine most of the size elements;
8620 add new gr save elements.
8621 (find_gr_spill): New.
8622 (next_scratch_gr_reg): New.
8623 (mark_reg_gr_used_mask): New.
8624 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
8625 to GR backing store regs when possible.
8626 (ia64_initial_elimination_offset): New.
8627 (ia64_rap_fp_offset): Remove.
8628 (save_restore_insns): Remove.
8629 (setup_spill_pointers): New.
8630 (finish_spill_pointers): New.
8631 (spill_restore_mem): New.
8632 (do_spill, do_restore): New.
8633 (ia64_expand_prologue): Rewrite to use them.
8634 (ia64_expand_epilogue): Likewise.
8635 (ia64_direct_return): Update for current_frame_info changes.
8636 (ia64_function_prologue): Simplify .prologue emission. Emit
8638 (ia64_setup_incoming_varargs): Don't ever emit rtl.
8639 (ia64_dbx_register_number): New.
8640 (ia64_initialize_trampoline): New.
8641 (ia64_secondary_reload_class): Request GR_REGS for integer
8642 arithmetic destined for FR_REGS.
8643 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
8644 (ia64_mark_machine_status): Mark ia64_gp_save.
8645 (rws_access_regno): Rename from rws_access_reg; don't treat
8646 predicates specially.
8647 (rws_access_reg): New. Update all callers.
8648 (rtx_needs_barrier): Remove dead unspecs.
8649 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
8650 (ia64_encode_section_info): Silence signed/unsigned warnings.
8651 (spill_offset, sp_offset, spill_offset_emitted): Remove.
8652 (tmp_reg, tmp_saved): Remove.
8653 (process_set): Rewrite to expect complicated bits via
8654 REG_FRAME_RELATED_EXPR.
8655 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
8656 in the use of ar.ccv; never set RTX_UNCHANGING_P.
8657 (ia64_expand_op_and_fetch): Likewise.
8658 (ia64_expand_compare_and_swap): Likewise.
8659 (ia64_expand_builtin): Likewise.
8660 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
8661 (FIRST_PSEUDO_REGISTER): Update.
8662 (AR_M_REGNO_P): Update.
8663 (FIXED_REGS): Don't mark three local registers as used.
8664 (EXTRA_CC_MODES): New.
8665 (SELECT_CC_MODE): New.
8666 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
8667 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
8668 (FRAME_GROWS_DOWNWARD): Unset.
8669 (STARTING_FRAME_OFFSET): Zero.
8670 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
8671 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
8672 (HARD_FRAME_POINTER_REGNUM): New.
8673 (CAN_DEBUG_WITHOUT_FP): Define.
8674 (TRAMPOLINE_TEMPLATE): Remove.
8675 (TRAMPOLINE_SIZE): Lower to 32.
8676 (TRAMPOLINE_ALIGNMENT): Lower to 64.
8677 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
8678 (PREDICATE_CODES): Update.
8679 (struct machine_function): Add ia64_gp_save.
8680 * config/ia64/ia64.md: Purge unused unspecs.
8681 (movsi patterns): Allow moves to/from AR_M_REGS.
8682 (movdi patterns): Allow moves to/from p0.
8683 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
8684 (gr_spill, gr_restore): Indicate ar.unat read/written.
8685 (nonlocal_goto): Don't pass old frame_pointer.
8686 (nonlocal_goto_receiver): Remove.
8687 (exception_receiver): New.
8688 (builtin_setjmp_setup): New.
8689 (builtin_setjmp_receiver): New.
8690 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
8691 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
8692 (__ia64_restore_stack_nonlocal): Likewise.
8693 (__ia64_trampoline): New.
8694 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
8696 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
8698 2000-08-08 Richard Henderson <rth@cygnus.com>
8700 * frame.h (ia64_frame_state): Add my_psp.
8701 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
8702 (__throw): Pass it in. Don't clobber r7.
8703 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
8704 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
8705 and nothing to do with sp.
8706 (normalize_reg_loc): Use frame->my_psp.
8707 (frame_translate): Handle frame-pointer-less functions. Set
8708 spill_base correctly, in absence of being told.
8709 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
8710 (__ia64_backtrace_helper): New sp argument. Use
8711 builtin_return_address instead of label addresses.
8712 (print_record) [mem_stack_v]: No size member.
8714 2000-08-08 Richard Henderson <rth@cygnus.com>
8716 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
8718 2000-08-08 Richard Henderson <rth@cygnus.com>
8720 * tm.texi (LOCAL_REGNO): Document.
8721 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
8722 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
8723 * reload1.c (reload): Likewise when considering nonlocal labels.
8725 * config/ia64/ia64.h (LOCAL_REGNO): New.
8726 * config/sparc/sparc.h (LOCAL_REGNO): New.
8728 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8730 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
8732 2000-08-07 Nick Clifton <nickc@redhat.com>
8734 * config/mips/mips.c: Fix compile time warning messages.
8735 * config/mips/mips-protos.h: Add prototype for equality_op.
8737 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
8739 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
8741 * mn10300.md: Use nonimmediate_operand instead of general_operand
8744 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
8746 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
8748 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
8749 * sh.c (expand_block_move): Break long lines.
8750 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
8751 * sh.md (mulsi3): Likewise.
8752 (movdi): Adjust spacing.
8754 2000-08-07 Richard Henderson <rth@cygnus.com>
8756 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
8757 * expr.c (emit_group_store): Don't set it.
8759 2000-08-07 Kazu Hirata <kazu@hxi.com>
8761 * invoke.texi (Options for Debugging Your Program or GCC): Remove
8762 duplicate entries for 'w' and 'z'.
8764 * flow.c: Fix a comment typo.
8766 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8768 * c-parse.in: Changed the language string for Objective-C to "GNU
8771 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8773 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
8774 to improve the Posix thread support for Objective-C.
8776 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
8778 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
8779 CTI_UNSIGNED_PTRDIFF_TYPE.
8780 (signed_size_type_node): Define.
8781 (unsigned_ptrdiff_type_node): Define.
8782 * c-decl.c (init_decl_processing): Create the
8783 signed_size_type_node and unsigned_ptrdiff_type_node types.
8784 * c-common.c (T_SC): Define.
8787 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
8788 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
8790 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
8791 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
8792 flags for %c, %s and %[.
8793 (check_format_info): Only allow leniency for signedness of targets
8794 of character pointers (when pedantic) for formats flagged with
8795 "c", so for strings but not for %hh formats. When pedantic, don't
8796 allow character pointers to substitute for void pointers if a
8797 second level of indirection is present.
8799 2000-08-06 Kazu Hirata <kazu@hxi.com>
8801 * invoke.texi (Options for Debugging Your Program or GCC): Update
8802 the names of dump files.
8804 * h8300.c (dosize): Rearrange code for conciseness.
8805 (split_adds_subs): Likewise.
8807 * loop.c: Fix formatting.
8809 * dwarf2out.c: Fix formatting.
8811 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
8813 * expr.c: Fix formatting.
8815 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8817 * rs6000.c (rs6000_maybe_dead): Prototype.
8819 2000-08-06 Richard Henderson <rth@cygnus.com>
8821 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
8822 HAVE_nonlocal_goto as well.
8823 * config/i960/i960.md (nonlocal_goto): Don't do it here.
8824 * config/pj/pj.md (nonlocal_goto): Likewise.
8826 2000-08-07 Michael Hayes <mhayes@cygnus.com>
8828 * loop.c (try_swap_copy_prop): New function.
8829 (load_mems): Rename copies to load_copies and add new regset
8830 store_copies. Check for sets of shadow registers and mark
8831 in store_copies. Call try_swap_copy_prop for registers
8832 marked in store_copies.
8834 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8836 * objc/objc-act.c: New command line option -fconstant-string-class
8837 to allow specifying a user defined constant string class,
8838 different from NXConstantString.
8840 * toplev.c: Moved the Objective-C specific options to
8841 objc/lang-options.h.
8843 * objc/lang-options.h: Moved the Objective-C specific options from
8844 toplev.c. Added -fconstant-string-class.
8846 2000-08-05 Chris Demetriou <cgd@sibyte.com>
8848 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8849 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
8850 __CTOR_LIST__ from func_ptr array to just func_ptr, to
8851 avoid extra alignment imposed on arrays.
8852 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8853 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
8855 * mips.h: Clean up comments and spacing near MASKs.
8856 (TARGET_UNIX_ASM): Delete.
8857 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
8858 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
8861 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
8863 * c-common.c (print_char_table): Add entries for the X/Open '
8864 format flag (print decimals with locale's thousands grouping
8865 character). Make %C expect wint_t.
8866 (check_format_info): If pedantic, warn when the %n$ operand
8867 number form is used. Allow for the ' flag; warn about it if
8870 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
8872 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
8873 type is a float mode, cfun->decl's return type is not, and
8874 TARGET_FLOAT_RETURNS_IN_80387.
8876 2000-08-04 Andreas Schwab <schwab@suse.de>
8878 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
8879 token list, which are always `#' and `pragma'.
8881 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
8883 * tree.c (tree_expr_nonnegative_p): Move to...
8884 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
8885 (rtl_expr_nonnegative_p): New.
8886 * tree.h: Add prototype for rtl_expr_nonnegative_p.
8888 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
8889 CONST_DOUBLE_CHAIN: Move to...
8890 * rtl.h: ...here. Use XCINT/XCEXP.
8892 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
8893 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
8894 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
8897 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
8899 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8901 * config/c4x/c4x.md (return_indirect_internal): New.
8902 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
8904 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8906 * c-common.c (time_char_table): Mark up formats added in C99 and
8907 make other corrections. %D and %g were added in C99. %Og is an
8908 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
8909 C99. %e was added in C99. %Oj is an extension. %G and %z are in
8910 C99 rather than GNU extensions, but %OG and %Oz are extensions.
8911 %h was added in C99. %C was added in C99. %OY and %OC are
8912 extensions. Add the C99 format %F.
8913 (check_format_info): If pedantic and not in C99 mode, warn for C99
8916 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8918 * function.c (schedule_fixup_var_refs): New function, broken out
8919 of put_reg_into_stack.
8920 (put_reg_into_stack): Use it.
8921 (put_var_into_stack): In CONCAT case, fixup up references for
8922 components only after fixing up references to the whole concat.
8924 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
8926 * alias.c (mark_constant_function): Use INSN_P.
8927 (init_alias_analysis): Likewise.
8928 * combine.c (combine_instructions): Use INSN_P.
8929 (can_combine_p): Likewise.
8930 (try_combine): Likewise.
8931 (distribute_notes): Likewise.
8932 (distribute_links): Likewise.
8933 * cse.c (cse_around_loop): Use INSN_P.
8934 (invalidate_skipped_block): Likewise.
8935 (cse_set_around_loop): Likewise.
8936 (cse_end_of_basic_block): Likewise.
8937 (delete_trivially_dead_insns): Likewise.
8938 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
8939 (unshare_all_rtl_1): Likewise.
8940 (next_cc0_user): Likewise.
8941 (try_split make_insn_raw): Likewise.
8942 (remove_unnecessary_notes): Likewise.
8943 * final.c (shorten_branches): Use INSN_P.
8944 (leaf_renumber_regs): Likewise.
8945 (leaf_renumber_regs_insn): Likewise.
8946 * flow.c (find_label_refs): Use INSN_P.
8947 (verify_wide_reg): Likewise.
8948 (notice_stack_pointer_modification): Likewise.
8949 (count_or_remove_death_notes): Likewise.
8950 (verify_flow_info): Likewise.
8951 (clear_log_links): Likewise.
8952 * function.c (fixup_var_refs_insns): Use INSN_P.
8953 (compute_insns_for_mem): Likewise.
8954 * gcse.c (alloc_gcse_mem): Use INSN_P.
8955 (compute_sets): Likewise.
8956 (compute_hash_table): Likewise.
8957 (classic_gcse): Likewise.
8959 (insert_insn_end_bb): Likewise.
8960 (delete_null_pointer_checks_1): Likewise.
8961 * global.c (expand_preferences): Use INSN_P.
8962 (build_insn_chain): Likewise.
8963 * graph.c (node_data): Use INSN_P.
8964 * haifa-sched.c (priority): Use INSN_P.
8965 (rm_line_notes): Likewise.
8966 (rm_other_notes): Likewise.
8967 (find_insn_reg_weight): Likewise.
8968 (init_target_units): Likewise.
8969 (schedule_block): Likewise.
8970 (compute_block_forward_dependences): Likewise.
8971 (debug_dependencies): Likewise.
8972 (set_priorities): Likewise.
8973 * integrate.c (function_cannot_inline_p): Use INSN_P.
8974 (save_parm_insns): Likewise.
8975 (copy_insn_list): Likewise.
8976 * jump.c (mark_all_labels): Use INSN_P.
8977 (never_reached_warning): Likewise.
8978 * lcm.c (optimize_mode_switching): Use INSN_P.
8979 * local-alloc.c (validate_equiv_mem): Use INSN_P.
8980 (memref_used_between_p): Likewise.
8981 (update_equiv_regs): Likewise.
8982 (block_alloc): Likewise.
8983 (no_conflict_p): Likewise.
8984 * loop.c (scan_loop): Use INSN_P.
8985 (find_and_verify_loops): Likewise.
8986 (count_loop_regs_set): Likewise.
8987 (loop_reg_used_before_p): Likewise.
8988 (strength_reduce): Likewise.
8989 (recombine_givs): Likewise.
8990 (check_dbra_loop): Likewise.
8991 (load_mems): Likewise.
8992 (try_copy_prop): Likewise.
8993 * print-rtl.c (print_rtx): Use INSN_P.
8994 * recog.c (find_single_use): Use INSN_P.
8995 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
8996 (next_flags_user): Likewise.
8997 (swap_rtx_condition): Likewise.
8998 * regmove.c (mark_flags_life_zones): Use INSN_P.
8999 (optimize_reg_copy_1): Likewise.
9000 (optimize_reg_copy_2): Likewise.
9001 (optimize_reg_copy_3): Likewise.
9002 (reg_is_remote_constant_p): Likewise.
9003 (fixup_match_2): Likewise.
9004 (regmove_optimize): Likewise.
9005 (fixup_match_1): Likewise.
9006 * regrename.c (build_def_use): Use INSN_P.
9007 (replace_reg_in_block): Likewise.
9008 (consider_use): Likewise.
9009 * reload.c (find_equiv_reg): Use INSN_P.
9010 * reload1.c (reload): Use INSN_P.
9011 (maybe_fix_stack_asms): Likewise.
9012 (calculate_needs_all_insns): Likewise.
9013 (reload_as_needed): Likewise.
9014 (emit_output_reload_insns): Likewise.
9015 (delete_address_reloads_1): Likewise.
9016 (reload_cse_regs_1): Likewise.
9017 (reload_combine): Likewise.
9018 (reload_cse_move2add): Likewise.
9019 * reorg.c (redundant_insn): Use INSN_P.
9020 (dbr_schedule): Likewise.
9021 * resource.c (find_dead_or_set_registers): Use INSN_P.
9022 (mark_target_live_regs): Likewise.
9023 * rtlanal.c (reg_used_between_p): Use INSN_P.
9024 (reg_referenced_between_p): Likewise.
9025 (reg_set_between_p): Likewise.
9026 (reg_set_p): Likewise.
9027 (single_set): Likewise.
9028 (multiple_sets): Likewise.
9029 (find_last_value): Likewise.
9030 (reg_set_last): Likewise.
9031 (find_reg_note): Likewise.
9032 (find_regno_note): Likewise.
9033 * sibcall.c (sequence_uses_addressof): Use INSN_P.
9034 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
9035 * ssa.c (find_evaluations): Use INSN_P.
9036 (rename_block): Likewise.
9037 (rename_equivalent_regs): Likewise.
9038 * unroll.c (loop_find_equiv_value): Use INSN_P.
9039 (set_dominates_use): Likewise.
9040 * varasm.c (mark_constant_pool): Use INSN_P.
9041 (mark_constants): Likewise.
9042 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
9043 (alphaev4_next_group): Likewise.
9044 (alphaev5_next_group): Likewise.
9045 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
9046 (c4x_rptb_rpts_p): Likewise.
9047 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
9048 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
9049 (rs6000_adjust_priority): Likewise.
9050 * config/sh/sh.c (sh_loop_align): Use INSN_P.
9051 (machine_dependent_reorg): Likewise.
9052 (split_branches): Likewise.
9053 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
9055 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
9057 * combine.c (recog_for_combine): Remove the old notes
9058 prior to attempting to recognize the new pattern.
9059 (distribute_notes): Ignore REG_NONNEG notes.
9061 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
9063 * varasm.c (output_constructor): Add .align 0 for packed vars.
9065 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9067 * configure.in: Use default thread_file even when enable_threads is
9068 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
9069 * configure: Rebuilt.
9071 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
9073 2000-08-04 Donn Terry (donnte@microsoft.com)
9075 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
9077 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9079 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
9080 Delete code that conditionally modifies 'version'.
9081 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
9082 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
9083 * gcc.c (main): Use it.
9084 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
9085 * prefix.c (update_path): Use it.
9086 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
9087 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
9088 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
9090 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
9091 (SUBTARGET_SWITCHES): Adjust.
9092 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
9094 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
9096 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9098 * c-common.h (flag_isoc94): Declare.
9099 * c-decl.c (flag_isoc94): Define.
9100 (c_decode_option): Set flag_isoc94 as appropriate.
9101 * c-common.c (T_PD, T_IM, T_UIM): Define.
9102 (format_char_info): Add tlen and jlen.
9103 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
9105 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
9107 (time_char_table): Add NULL entries for %t and %j.
9108 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
9109 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
9110 Warn for printf %lf if pedantic and not C99. Don't warn for empty
9111 precision. Allow precision argument to be unsigned int. If
9112 pedantic, warn for %p passed an argument not a pointer to possibly
9113 qualified void or a possibly qualified character type, and for
9114 pointer targets of the wrong sign, except for character pointers.
9116 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9118 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
9119 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
9120 (wint_type_node): Define.
9121 * c-decl.c (WINT_TYPE): Define.
9122 (init_decl_processing): Create the wint_type_node type.
9123 * c-common.c (T_WI): Define.
9124 (print_char_table): Use T_WI for %lc format.
9126 2000-08-04 Bruce Korb <bkorb@gnu.org>
9128 * fixinc/: Verified that the MSDOS patch does not break
9129 the UNIX functionality and applied the next three patches
9132 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
9134 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
9135 output file with the temporary one by appending ".X" to generate
9136 the temporary fuile's name. If the output file already has an
9137 extension, replace it with ".X".
9139 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
9140 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
9141 reallocate the command buffer while copying the command-line
9142 argument. Redirect the output directly to the temporary file,
9143 instead of going through another temporary file.
9144 (process): Close the temporary file before unlinking it.
9145 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
9146 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
9147 (run_compiles): Pass p_fixd argument to machine_matches, as it
9150 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
9151 environment, assume there are no symlinks in the include
9152 directory. When cleaning up the DONE files, look for them
9153 case-insensitively. Don't try to remove symlinks if they aren't
9156 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
9157 all callers changed. Declare pz "const char *", to avoid compiler
9160 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
9161 Change prototype of make_raw_shell_str.
9163 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
9165 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
9166 (initialize) [__MSDOS__]: Use tempnam.
9167 (initialize): Don't use SIGPIPE if it is not defined.
9169 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
9172 2000-07-25 Bruce Korb <bkorb@gnu.org>
9174 * fixinc/fix*.[ch]: substantially reworked to make it possible
9175 to run this program without using fork(2) or pipe(2) (i.e. in
9178 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9180 * cppdefault.h (WINT_TYPE): Define.
9181 * cppinit.c (builtin_array): Define __WINT_TYPE__.
9182 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
9183 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
9185 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
9187 * (mips_legitimate_address_p): Don't allow register+offset
9188 if the offset is large and negative, and we are compiling
9189 for 64 bit registers.
9191 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9193 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
9194 insn_code_number + 1.
9196 2000-08-04 Kazu Hirata <kazu@hxi.com>
9198 * h8300.c (function_prologue): Rearrange code for conciseness.
9199 (function_epilogue): Likewise.
9200 * h8300.h (OK_FOR_U): Fix formatting.
9202 * cse.c: Fix a comment typo. Fix formatting.
9204 2000-08-03 Richard Henderson <rth@cygnus.com>
9206 * config/i386/i386.md (return_indirect_internal): New.
9207 * config/i386/i386.c (ix86_expand_epilogue): Use it.
9209 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
9211 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
9213 (lex_line): Glue @ onto the beginning of identifiers and
9214 string constants, in Objective-C mode.
9215 (output_token, spell_token): Handle CPP_OSTRING.
9216 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
9217 beginning of a NAME or a STRING, in objc mode.
9219 * cpplib.c (get_define_node): Do not permit identifiers that
9220 begin with @ to be #defined.
9221 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
9222 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
9224 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
9225 * c-tree.h (build_objc_string): Delete prototype.
9226 * objc/objc-tree.def: Delete OBJC_STRING_CST.
9227 * c-lex.c (yylex): Use build_string for all three kinds of strings.
9229 * c-parse.in, objc/objc-act.c: Update commentary.
9231 2000-08-03 Mark Mitchell <mark@codesourcery.com>
9233 * extend.texi: Fix typo in last change.
9235 * extend.texi: Add commentary on statement-expressions and their
9236 interactions with C++.
9238 2000-08-03 Nick Clifton <nickc@cygnus.com>
9240 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
9241 * dwarf.h (LANG_JAVA): Change value to 0x000b.
9243 2000-08-03 Anthony Green <green@cygnus.com>
9245 * dwarf2out.c (gen_compile_unit_die): Add java language support.
9246 (add_bound_info): Check for java language.
9247 (is_java): New function.
9248 * dwarfout.c (output_compile_unit_die): Ditto.
9249 * dwarf.h (dwarf_source_language): Add java source language type.
9250 * dwarf2.h (dwarf_source_language): Ditto.
9252 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9254 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
9257 * i386.c (ix86_expand_branch): Mode of comparison in
9258 IF_THEN_ELSE is VOIDmode.
9260 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
9262 * gengenrtl.c, rtl.c: Avoid #elif.
9264 2000-08-03 Michael Poole <poole@troilus.org>
9266 * tm.texi (Register Classes): Clarify order of sub-initializers
9267 in REG_CLASS_CONTENTS.
9269 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9271 From SAITOH Masanobu:
9272 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
9274 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
9276 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
9277 is not supported by tradcpp and isn't actually needed for cygwin.
9279 2000-08-03 Kazu Hirata <kazu@hxi.com>
9281 * h8300.c: Fix a comment typo.
9282 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
9284 * jump.c: Fix formatting.
9286 * toplev.c: Fix formatting.
9288 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
9290 * flow.c (find_auto_inc): Verify that we've got a REG before
9291 peeking at its regno. Fail, don't abort if we can't find
9292 the increment of the desired register.
9294 * pa.md (shadd height reduction patterns/splitters): Remove.
9296 2000-08-02 Jim Wilson <wilson@cygnus.com>
9298 * config/ia64/ia64-protos.h (flag_ssa): Declare.
9299 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
9301 2000-08-02 Mark Mitchell <mark@codesourcery.com>
9303 * dce.c: Remove all uses of assert.
9304 * dwarf2out.c: Likewise.
9305 * dwarfout.c: Likewise.
9308 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9310 * gcc.h (lang_specific_driver): Constify second argument.
9311 * gcc.c (translate_options, process_command, main): Likewise.
9312 Constify variables to match. Cast second argument to
9315 * cppspec.c, gccspec.c: Adjust type of second argument to
9316 lang_specific_driver, and update code as necessary.
9318 2000-08-02 Jakub Jelinek <jakub@redhat.com>
9320 * loop.c (scan_loop): Ensure update_end label does not
9321 go away until reg_scan_update is run.
9323 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9325 * c-common.h: Prototype min_precision and c_build_qualified_type here...
9326 * c-tree.h: ... not here.
9327 * errors.h: Prototype fancy_abort.
9329 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
9330 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
9331 * regrename.c (regrename_optimize): Make control flow explicit.
9332 (replace_reg_in_block): Initialize reg_use to 0.
9334 * i386.c (legitimate_address_p): Rename error label to
9335 report_error to avoid namespace clash.
9337 2000-08-02 Kazu Hirata <kazu@hxi.com>
9339 * fold-const.c: Fix formatting.
9341 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
9343 * i386.c (legitimate_address_p): Accept other bases than
9344 pic_offset_table_rtx for GOTOFF constructs.
9346 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9348 * i386.md (shift to lea splitter): Use const_int_operand.
9350 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9352 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
9353 cppspec.c: Do not use 'legal' or 'illegal' in error messages
9356 * cppmain.c (cb_define, cb_undef): Don't generate any output
9357 if not done_initializing.
9358 * cpplex.c (maybe_paste_with_next): When the token after a ##
9359 is an omitted rest argument, only delete the token before it
9360 if that token is a comma. Do not warn about bogus token
9361 pastes for , ## rest_arg.
9364 * cpp.1: Regenerate.
9366 2000-08-02 Fred Fish <fnf@be.com>
9368 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
9369 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
9372 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
9373 Be directories to search path.
9375 Remove support for __declspec(dllimport) and __declspec(dllexport).
9376 This is leftover cruft from the earlier BeOS gcc port when BeOS
9377 used Microsoft's PE object file format.
9378 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
9379 * config/i386/t-beos (winnt.o): Remove Makefile frag.
9380 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
9381 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
9382 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9383 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
9384 (REDO_SECTION_INFO_P): Remove.
9385 (ASM_EXPORT_DECL): Remove.
9386 (ASM_DECLARE_FUNCTION_NAME): Remove.
9387 (ASM_DECLARE_OBJECT_NAME): Remove.
9388 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
9389 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
9390 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
9391 (STRIP_NAME_ENCODING): Remove.
9393 Remove support for obsolete version of BeOS that is no longer
9395 * configure.in (i*86-*-beospe*): Remove.
9396 * config/i386/beos-pe.h: Remove.
9398 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
9399 Mark Mitchell <mark@codesourcery.com>
9401 * Makefile.in (OBJS): Added dce.o.
9402 (ssa.o): Updated target to include ssa.h.
9404 (toplev.o): Likewise.
9405 (dce.o): Created target.
9406 * basic-block.h: Added comments.
9407 (INVALID_BLOCK): Added definition.
9408 (connect_infinite_loops_to_exit): Added declaration.
9409 Moved SSA declarations to ssa.h.
9410 * flow.c: Added inclusion of ssa.h.
9411 (struct depth_first_search_dsS, depth_first_search_ds):
9413 (compute_immediate_postdominators): Added definition.
9414 (connect_infinite_loops_to_exit): Likewise.
9415 (flow_dfs_compute_reverse_init): Likewise.
9416 (flow_dfs_compute_reverse_add_bb): Likewise.
9417 (flow_dfs_compute_reverse_execute): Likewise.
9418 (flow_dfs_compute_reverse_finish): Likewise.
9419 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
9420 (LABEL_P): Added definition.
9423 (BARRIER_P): Likewise.
9424 (JUMP_TABLE_DATA_P): Likewise.
9425 (INSN_DEAD_CODE_P): Likewise.
9426 * ssa.c: Replaced inclusions with ssa.h inclusion.
9427 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
9428 (rename_registers): Removed unnecessary variables.
9429 * ssa.h: Created by moving declarations from ssa.c and
9431 * timevar.def: Defined TV_DEAD_CODE_ELIM.
9432 * toplev.c: Added ssa.h inclusion.
9433 (dump_file_index): Added DFI_dce.
9434 (dump_file): Added "dce" entry.
9436 (f_options): Added dce entry.
9437 * invoke.texi: Document -fdce. Emphasize experimental status of
9441 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
9443 * cpperror.c (v_message): Split into _cpp_begin_message and
9444 v_message macro. All callers updated.
9445 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
9448 * cppfiles.c (cpp_syshdr_flags): New function.
9449 (read_include_file): Don't call cpp_output_tokens. Call
9451 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
9452 (cpp_reader_init): Don't initialize token_buffer. Call
9453 _cpp_init_internal_pragmas.
9454 (cpp_cleanup): Don't clear token_buffer.
9455 (cpp_start_read): Don't worry about output from -D processing.
9456 Don't call cpp_output_tokens.
9457 (cpp_finish): Don't dump macros here. Don't call
9459 * cppmacro.c (_cpp_dump_definition): Rename
9460 cpp_dump_definition. Write directly to a FILE *.
9461 (dump_funlike_macro): Delete.
9462 (dump_macro_args): New.
9464 * cpplex.c (TOKEN_LEN): Convert to inline function.
9465 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
9466 cpp_scan_line, _cpp_dump_list): Delete.
9467 (cpp_printf, cpp_output_list): New.
9468 (output_line_command): Don't worry about entering or leaving files.
9469 (cpp_scan_buffer): Just output each token as we hit it.
9470 (process_directive): Don't call cpp_output_tokens.
9471 (_cpp_glue_header_name): Don't use token_buffer.
9472 (output_token, dump_param_spelling): Write directly to a FILE *.
9474 * cpplib.c (pass_thru_directive, dump_macro_name,
9475 pragma_dispatch, do_pragma_gcc): Delete.
9476 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
9477 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
9479 (do_error, do_warning, pragma_dependency): Call
9480 _cpp_begin_message, then cpp_output_list.
9481 (cpp_register_pragma, cpp_register_pragma_space,
9482 _cpp_init_internal_pragmas): New.
9483 (do_pragma): Walk the pragmas table here.
9484 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
9485 do_pragma_dependency): Return void.
9486 (do_pragma_implementation): Moved to cppmain.c.
9488 * cpplib.h: Update prototypes.
9489 (struct cpp_reader): Remove printer, token_buffer,
9490 token_buffer_size, and limit. Add struct cb, and pragmas.
9491 (struct cpp_printer): Remove last_id and written.
9492 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
9493 CPP_ADJUST_WRITTEN): Delete.
9494 * cpphash.h: Update prototypes.
9495 (ufputs): New wrapper.
9497 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
9498 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
9499 (main): Set up callbacks. Register #pragma implementation.
9500 Dump macros from here.
9502 2000-08-01 Geoff Keating <geoffk@cygnus.com>
9504 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
9505 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
9506 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
9507 insns if they have a REG_MAYBE_DEAD note attached.
9508 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
9509 (rs6000_emit_load_toc_table): TOC loads may go dead.
9511 2000-08-01 Jim Wilson <wilson@cygnus.com>
9513 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
9514 type exists before using it. Use number of words as alignment
9516 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
9517 ia64_va_arg): Propagate ia64_function_args changes here.
9519 2000-08-01 Richard Henderson <rth@cygnus.com>
9521 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
9522 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
9524 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
9526 From Joern Rennecke:
9527 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
9528 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
9529 unless TARGET_SH3E is set.
9530 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
9532 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
9533 (ashlsi3_std): New pattern.
9534 (ashlsi3 expander): Use it for TARGET_SH3.
9535 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
9537 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9539 * loop.c (canonicalize_condition): Use destination, not source to
9540 determine SET's mode.
9542 2000-07-31 Mark Mitchell <mark@codesourcery.com>
9544 * flow.c (clear_log_links): Fix typo.
9546 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
9548 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
9549 on targets which need more than one insn for a compare/cbranch
9552 2000-07-31 Jim Wilson <wilson@cygnus.com>
9554 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
9555 when computing offset.
9557 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
9559 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
9561 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9563 * flow.c (clear_log_links): Nuke global_live_at_start and
9564 global_live_at_end data, since if the log_links stuff is invalid
9565 so is global_live_at_*.
9567 2000-07-31 Richard Henderson <rth@cygnus.com>
9569 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
9571 2000-07-31 Jakub Jelinek <jakub@redhat.com>
9573 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
9574 (_cpp_get_token): Don't macro expand a just pasted token if it
9575 was pasted at no_expand_level.
9577 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9579 * cppmacro.c (find_param, count_params, save_expansion):
9580 Permit 'defined' as a macro parameter name.
9582 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9584 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
9585 xcpp to cpp throughout.
9586 (native): Remove unnecessary dependency on cpp.
9588 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
9589 tradcpp to tradcpp0.
9590 (.i spec): Add missing output-file spec to cc1 command line.
9591 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
9593 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9595 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
9596 (implicit_decl_warning): New function.
9597 (implicitly_declare): Use it.
9598 * c-typeck.c (build_external_ref): Use implicit_decl_warning
9599 to complain about implicit decls of builtins.
9601 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
9602 based on pedantic && flag_isoc99, if not already set.
9603 * c-tree.h: Declare mesg_implicit_function_declaration.
9604 Prototype implicit_decl_warning.
9606 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
9608 * Makefile.in (ssa.o): Updated header files in dependences.
9609 * basic-block.h: Added compute_immediate_postdominators declaration.
9610 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
9612 * flow.c (compute_immediate_dominators): Updated comment.
9613 (compute_immediate_postdominators): Added definition.
9614 * rtl.h (HARD_REGISTER_P): Added definition.
9615 * ssa.c: Include additional header files.
9616 (assert): Added definition.
9617 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
9618 include select hard registers.
9619 (ssa_rename_to_insert): Likewise.
9620 (ssa_rename_from_initialize): Likewise.
9621 (ssa_rename_from_lookup): Likewise.
9622 (original_register): Likewise.
9623 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
9624 include select hard reigsters.
9625 (ssa_rename_from_traverse): Likewise.
9626 (ssa_rename_from_free): Likewise.
9627 (ssa_rename_from_print): Likewise.
9628 (ssa_rename_from_print_1): Likewise.
9629 (ssa_rename_from_hash_function): Likewise.
9630 (ssa_rename_from_equal): Likewise.
9631 (ssa_rename_from_delete): Likewise.
9632 (simplify_to_immediate_dominators): Removed in favor of
9633 flow.c:compute_immediate_dominators.
9634 (find_evaluations_1): Modified to work with hard registers.
9635 (insert_phi_node): Likewise.
9636 (insert_phi_nodes): Likewise.
9637 (struct rename_set_data): Updated prev_reg comment.
9638 (create_delayed_rename): Modified to work with hard registers.
9639 (RENAME_NO_RTX): Updated comment.
9640 (apply_delayed_renames): Modified to work with hard registers.
9641 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
9642 (rename_block): Updated to use revised ssa_rename_to interface.
9643 (rename_registers): Updated to use revised ssa_rename_to and
9644 ssa_rename_from interface.
9645 (convert_to_ssa): Revised to use compute_immediate_dominators and
9646 deal with hard registers.
9647 (make_regs_equivalent_over_bad_edges): Modified to work with hard
9648 registers. Added check for illegal unification of hard register.
9649 (make_equivalent_phi_alternatives_equivalent): Modified to work
9650 with hard registers.
9651 (compute_conservative_reg_partition): Likewise.
9652 (coalesce_if_unconflicting): Modified to work with hard registers
9653 and check for conflicting hard registers.
9654 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
9656 (rename_equivalent_regs_in_insn): Modified to work with hard
9658 (record_canonical_element_1): Added definition.
9659 (check_hard_regs_in_partition): Added definition.
9660 (convert_from_ssa): Added data structure deallocation and check
9661 for illegal hard register unification.
9662 (conflict_hard_regs_p): Added definition.
9663 * toplev.c (rest_of_compilation): Added comment.
9665 2000-07-31 Anthony Green <green@redhat.com>
9667 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
9669 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
9671 * builtins.c (expand_builtin_apply): Don't defer pop during
9674 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9676 * calls.c (combine_pending_stack_adjustment_and_call): Only use
9677 preferred_unit_stack_boundary when it is > 1.
9679 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
9681 * c-common.c (init_function_format_info): Add C99 format functions
9684 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
9685 void' or 'register void' as being the special case of 'void' alone
9686 in a parameter list.
9688 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
9689 discarding qualifiers into a plain warning.
9691 2000-07-31 Kazu Hirata <kazu@hxi.com>
9693 * combine.c: Fix formatting.
9695 * h8300.md: Fix formatting.
9697 * local-alloc.c: Fix formatting.
9699 * h8300.c (get_shift_alg): Remove the variable alg.
9700 (emit_a_shift): Rearrange code to improve readability.
9702 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
9704 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
9705 HImode on all architectures and a combination of HImode and SImode
9706 on H8/300H and H8/S.
9708 * h8300.c (split_adds_subs): Rearrange code for conciseness.
9710 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
9712 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
9715 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9717 * recog.c (extract_insn): Set operand_mode according to
9718 operand if match_operand is VOIDmode.
9720 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
9722 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
9724 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9726 * c-parse.in (extdefs): Call ggc_collect between external
9729 2000-07-30 Michael Hayes <mhayes@cygnus.com>
9730 Richard Henderson <rth@cygnus.com>
9732 * Makefile.in (OBJS): Add doloop.o.
9733 * doloop.c: New file.
9735 * final.c (insn_current_reference_address): Return 0 before final.
9736 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
9737 * jump.c (any_uncondjump_p): Likewise.
9738 * loop.c (indirect_jump_in_function): Make static.
9739 (strength_reduce): Call doloop_optimize.
9740 (insert_bct, instrument_loop_bct): Remove.
9741 * loop.h (doloop_optimize): Prototype.
9742 * recog.c (split_all_insns): Split all INSN_P.
9743 * toplev.c (flag_branch_on_count_reg): Default on.
9745 * config/c4x/c4x.c (c4x_optimization_options): Don't set
9746 flag_branch_on_count_reg.
9747 * config/i386/i386.c (override_options): Likewise.
9748 * config/rs6000/rs6000.c (optimization_options): Likewise.
9750 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
9752 (dbra_ge): Remove, as well as all it's splitters.
9754 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
9757 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
9758 (ia64_register_move_cost): Declare.
9759 * config/ia64/ia64.c (ar_lc_reg_operand): New.
9760 (struct ia64_frame_info): Add ar_size.
9761 (ia64_compute_frame_size): Set it.
9762 (save_restore_insns): Save and restore ar.lc.
9763 (ia64_register_move_cost): New, moved from header file. Handle
9764 application registers.
9765 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
9766 (emit_insn_group_barriers): Special case doloop_end_internal.
9767 (ia64_epilogue_uses): Mark ar.lc live at end.
9768 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
9769 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
9770 (FIRST_PSEUDO_REGISTER): Make room.
9771 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
9772 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
9773 (REG_ALLOC_ORDER): Update.
9774 (HARD_REGNO_MODE_OK): Update.
9775 (REGISTER_NAMES): Update.
9776 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
9777 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
9778 (REGNO_REG_CLASS): Update.
9779 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
9780 (REGISTER_MOVE_COST): Move out of line.
9781 (PREDICATE_CODES): Update.
9782 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
9783 (addsi3_plus1_alt, adddi3_plus1_alt): New.
9784 (shladd_elim splitter): Allow constants in the predicate.
9785 (doloop_end, doloop_end_internal): New.
9787 2000-07-30 Richard Henderson <rth@cygnus.com>
9789 * genattrtab.c (struct insn_def): Add lineno member.
9790 (struct insn_ent): Likewise.
9791 (struct attr_desc): Likewise.
9792 (struct delay_desc): Likewise.
9793 (struct function_unit_op): Likewise.
9794 (struct function_unit): Likewise.
9795 (check_attr_value): Use message_with_line.
9796 (check_defs): Likewise.
9797 (expand_units): Likewise.
9798 (check_attr_test): Take a lineno argument.
9799 (gen_attr): Likewise.
9800 (gen_insn): Likewise.
9801 (gen_delay): Likewise.
9802 (gen_unit): Likewise.
9803 (main): Give it to them.
9804 (convert_set_attr_alternative): Take an insn_def argument
9805 instead of num_alt and insn_index.
9806 (convert_set_attr): Likewise.
9807 (write_test_expr): Protect INSN_ADDRESSES load
9808 with INSN_ADDRESSES_SET_P.
9810 2000-07-30 Richard Henderson <rth@cygnus.com>
9812 * flow.c (init_propagate_block_info): Use pc_set.
9814 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9816 * i386.md (*lea_general_[123]) New insns and splits.
9817 (addsi3 to lea splitter): Handle other modes too.
9818 (shlsi3 to lea splitter): Likewise.
9819 (addhi_1_lea, shlhi_1_lea): New patterns.
9820 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
9822 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9824 * recog.c (general_operand, nonimmediate_operand): Accept
9825 any mode for VOIDmode CONSTANT_P operands.
9827 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9829 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
9830 instead of replace_rtx.
9831 * recog.c (validate_replace_rtx_subexp): New function.
9832 * recog.h (validate_replace_rtx_subexp): Declare.
9834 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9836 * combine.c (simplify_set, make_extraction, make_compound_operation
9837 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
9838 as force_to_mode argument.
9840 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
9842 * combine.c (if_then_else_cond): Be sure that mode fits in
9845 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
9847 * combine.c (record_promoted_value): Allow bitsize of mode
9848 to be equivalent to HOST_BITS_PER_WISE_INT.
9850 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9852 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
9853 Do not call gen_mode_alignment when mode is BLKmode.
9855 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
9857 * loop.c (express_from_1): Fix call of simplify_gen_binary.
9859 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
9861 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
9862 VOIDmode implies both operands to be VOIDmode.
9863 (simplify_ternary_operation): Compute properly the mode of comparison.
9864 * combine.c (combine_simplify_rtx): Likewise.
9866 2000-07-25 Michael Hayes <mph@paradise.net.nz>
9868 * basic-block.h (struct loops): New field rc_order.
9869 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
9870 (flow_loops_free): Free rc_order.
9871 (flow_depth_first_order_compute): New parameter rc_order.
9872 (flow_loops_find): Allocate rc_order and swap usage with
9875 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9876 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9878 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
9879 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
9880 (nodb_call, return_from_epilogue): Likewise.
9881 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
9882 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
9883 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
9884 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9885 (c4x_valid_type_attribute_p): Likewise.
9886 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
9887 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
9889 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9891 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
9892 and loadhi_big_constant if applicable.
9893 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
9894 and add new splitter.s
9896 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9898 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
9900 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9902 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
9904 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9906 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
9908 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9910 * config/c4x/libgcc.S (divqf3): Improve accuracy.
9912 2000-07-27 Mark Mitchell <mark@codesourcery.com>
9914 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
9915 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
9916 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
9917 (get_prev_bb_note): Likewise.
9918 (remove_scope_notes): Likewise.
9919 * flow.c (commit_one_edge_insertion): Likewise.
9920 (merge_blocks_nomove): Likewise.
9921 (verify_flow_info): Likewise.
9922 * gcse.c (insert_insn_end_bb): Likewise.
9923 * reg-stack.c (emit_swap_insn): Likewise.
9924 * ssa.c (first_insn_after_basic_block_note): New function.
9925 (insert_phi_node): Use it.
9926 (rename_block): Likewise.
9927 (eliminate_phi): Likewise.
9928 (make_regs_equivalent_over_bad_edges): Likewise.
9929 (make_equivalent_phi_alternatives_equivalent): Likewise.
9930 (for_each_successor_phi): Likewise.
9931 (convert_from_ssa): Modify phi-node deletion algorithm.
9933 2000-07-29 Andreas Jaeger <aj@suse.de>
9935 * configure.in (mips*-*-linux*): Use mips*el to check for little
9936 endian MIPS, add tmake_file.
9938 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
9939 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
9940 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
9942 2000-07-28 Richard Henderson <rth@cygnus.com>
9944 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
9945 Sign extend mode size before negating.
9947 2000-07-28 Richard Henderson <rth@cygnus.com>
9949 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
9951 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
9953 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
9954 (cse_insn): Likewise.
9955 (addr_affects_sp_p): Likewise.
9956 * expr.c (move_by_pieces): Likewise.
9957 (clear_by_pieces): Likewise.
9958 * gcse.c (oprs_unchanged_p): Likewise.
9959 * haifa-sched.c (sched_analyze_2): Likewise.
9960 * recog.c (offsettable_address_p): Likewise.
9961 * regclass.c (record_address_regs): Likewise.
9962 * reload.c (find_reusable_reload): Likewise.
9963 (push_reload): Likewise.
9964 (operands_match_p): Likewise.
9965 (decompose): Likewise.
9966 (find_reloads_address_1): Likewise.
9967 (find_inc_amount): Likewise.
9968 * reload1.c (elimination_effects): Likewise.
9969 * resource.c (mark_set_resources): Likewise.
9970 * flow.c (attempt_auto_inc): New function; mostly broken out
9972 (find_auto_inc): Split into two functions and enhanced to
9973 generate POST_MODIFY.
9974 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
9975 * rtl.h (count_all_occurrences): Declare.
9976 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
9978 * rtlanal.c (count_all_occurrences): New function.
9979 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
9980 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
9982 * config/ia64/ia64-protos.h (destination_operand): Declare.
9983 * config/ia64/ia64.c (destination_operand): New function.
9984 (ia64_print_operand): Handle POST_MODIFY.
9985 (rtx_needs_barrier): Likewise.
9986 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
9987 (HAVE_POST_MODIFY_REG): Define to 1.
9988 (MAX_REGS_PER_ADDRESS): Change to 2.
9989 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
9990 (LEGITIMATE_ADDRESS_REG): New helper macro.
9991 (LEGITIMATE_ADDRESS_DISP): Likewise.
9992 (PREDICATE_CODES): Add entry for destination_operand.
9993 * config/ia64/ia64.md (all mov patterns): Use destination_operand
9994 predicate for operand 0.
9996 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9998 * dwarf2out.c: Indent #error directive.
10000 * gbl-ctors.h: Fix typo in comment.
10001 (__do_global_ctors): Prototype.
10003 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10005 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10006 (print_operand): Initialize variable `t'.
10008 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10010 * config/arm/arm.md ("call_value"): removed constraints.
10011 Constraints are ignored in expanders.
10012 (*call_value_reg): split =rf into various constraints.
10013 (*call_value_mem): same
10014 (*call_value_symbol): same
10015 (*sibcall_value_insn): same
10017 2000-07-28 Philipp Thomas <pthomas@suse.de>
10019 * install.texi (--enable-nls): Change the description of the NLS
10020 related configure options to match the current state.
10021 (--with-included-gettext): Likewise.
10022 (--enable-maintainer-mode): New description added.
10023 * extend.texi (-fstrict-prototype): Add missing '.'.
10025 2000-07-27 Jim Wilson <wilson@cygnus.com>
10027 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
10028 DECL_INITIAL (decl) == NULL_TREE.
10030 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
10032 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
10033 on insn-attr.h with it.
10034 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
10035 * insn-addr.h: New header.
10036 (insn_addresses_): Renamed from insn_addresses.
10037 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
10038 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
10039 INSN_ADDRESSES_NEW): New macros.
10040 * genattrtab.c (write_test_expr): Use new macros.
10041 * final.c (insn_addresses, init_insn_lengths): Likewise.
10042 (align_fuzz, shorten_branches): Likewise.
10043 (final): Likewise. Do not reject new insns if their addresses
10044 have been added to INSN_ADDRESSES.
10045 * config/arm/arm.c, config/avr/avr.c: Use new macros.
10046 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
10047 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
10048 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
10049 * config/sh/sh.c: Likewise.
10050 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
10052 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
10054 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
10056 * gcc.c (struct prefix_list): Add member priority.
10057 (enum path_prefix_priority): Declare.
10058 (add_prefix): Replace ``first'' with ``priority''. Append new
10059 entry but keep list in priority order.
10060 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
10061 PREFIX_PRIORITY_LAST to add_prefix.
10062 (process_command): Move include kludge - foo/stageN - to before
10065 2000-07-27 Jason Merrill <jason@redhat.com>
10067 * dwarf2out.c (gen_typedef_die): Abort if we get identical
10068 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
10070 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
10072 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
10073 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
10075 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
10077 * c-decl.c (finish_function): Don't treat 'main' specially unless
10078 flag_hosted. In C99 mode, return 0 from 'main' unless
10079 DEFAULT_MAIN_RETURN is otherwise defined.
10081 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
10082 parameters defaulting to int in an old-style function definition.
10084 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10086 * c-parse.in (string): For -Wtraditional, warn about string
10087 concatenation only once per line.
10089 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
10091 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
10092 for HI-UX/WE2 systems.
10094 2000-07-24 Bruce Korb <bkorb@gnu.org>
10096 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
10097 defining the __xxx_TYPE__ macros.
10098 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
10099 * fixincl/fixlib.h: don't need to include "tm.h" anymore
10100 * fixincl/inclhack.def(type_map): now obsolete
10102 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
10104 * cpp.texi: Append a trailing full-stop to xrefs where needed.
10106 2000-07-26 Dave Pitts <dpitts@cozx.com>
10108 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
10110 (mvs_hash_alias): New function.
10111 (mvs_add_alias): Change argument spacing.
10112 (mvs_need_alias): Change aliasing criteria. Added documentation.
10113 (mvs_get_alias): Change to use hashed name. The hashed name prevents
10114 CSECT name collisions.
10115 (mvs_check_alias): Likewise.
10116 (handle_pragma): Change documentation.
10117 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
10118 mode from SImode to DImode.
10119 (iorhi3): Changed LTORG size for insn.
10121 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
10123 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
10124 mem if the address is a mode_dependent_address_p.
10126 2000-07-26 Kazu Hirata <kazu@hxi.com>
10128 * h8300.c (print_operand): Print ":8" when the 'R' operand is
10129 suitable for 8-bit absolute.
10130 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
10131 (OK_FOR_U): Add a case for the 8-bit constant address on the
10134 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
10136 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
10137 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
10138 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
10139 lack of implemented alignment.
10141 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
10143 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
10144 cross-compiling between 64-bit and 32-bit machines.
10146 2000-07-27 Richard Henderson <rth@cygnus.com>
10148 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
10149 (movhicc_astep, movhi_internal_astep): New.
10150 (movsicc_astep, movsi_internal_astep): New.
10151 (movdicc_astep, movdi_internal_astep): New.
10152 (movsfcc_astep, movsf_internal_astep): New.
10153 (movdfcc_astep, movdf_internal_astep): New.
10154 (movxfcc_astep, movxf_internal_astep): New.
10155 (cmovdi_internal_astep, cmovsi_internal_astep): New.
10156 Unify the cmov[ds]i splitters.
10158 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
10160 * real.c (asctoeg): Rename `error' label to unexpected_char_error
10162 2000-07-26 Nick Clifton <nickc@cygnus.com>
10164 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
10165 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
10167 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
10168 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
10170 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
10172 * c-decl.c (finish_enum): Convert enumerations that fit in an
10174 (build_enumerator): In pedantic mode, cast to `int' those that
10177 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
10179 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
10181 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10183 * sh.md (cmpgtdi_t): Must be split.
10184 (cmpgtdi_t+1): New splitter.
10186 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10188 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
10189 warnings for indented directives even if we are skipping.
10191 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
10193 * invoke.texi (strict-prototypes): Remove.
10194 * extend.texi (Deprecated Features): Add strict-prototypes.
10195 (Backwards Compatibility): New node.
10197 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10199 * config/i386/i386.md (andsi_1+1): Allow HImode.
10200 (andsi_1+2): Require q_regs_operand.
10202 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10204 * config/i386/i386.md (call_pop): Check operands[0],
10205 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10207 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10208 (call_value): Likewise.
10210 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10212 * toplev.c (pipe_closed): Delete.
10213 (crash_signal): New. Generate ICE for a fatal signal.
10214 (float_signal): Call crash_signal outside a float-handler
10216 (main): Install crash_signal as handler for core-dumping signals.
10218 2000-07-25 David Edelsohn <edelsohn@gnu.org>
10220 * rs6000.c (print_operand, case 'T'): New case.
10222 * rs6000.md (call_indirect_aix32): Convert to expander of
10223 scheduled instructions.
10224 (call_indirect_aix64): Likewise.
10225 (call_value_indirect_aix{32,64}): Likewise.
10226 (call, call_value): Invoke expanders for AIX. Fall through to
10228 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
10229 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
10230 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
10231 only "g" constraint.
10232 (call_nonlocal_aix64): Likewise.
10233 (call_value_nonlocal_aix{32,64}): Likewise.
10234 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
10236 (call_value_nonlocal_sysv): New pattern.
10237 (indirect_jump{si,di}): Use new 'T' modifier.
10238 (tablejump{si,di} matchers): Likewise.
10239 (return_internal_{si,di}): Likewise.
10240 (return_eh_{si,di}): Likewise.
10242 2000-07-24 Richard Henderson <rth@cygnus.com>
10244 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
10245 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
10246 * config/ia64/ia64.md (movdi_internal): Use it.
10248 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
10250 * cppexp.c: Warn about unary + if -Wtraditional.
10251 * cpplex.c (lex_line): Always set BOL on the first token of a line.
10253 2000-07-24 Michael Meissner <meissner@redhat.com>
10255 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
10258 2000-07-24 Nick Clifton <nickc@cygnus.com>
10260 * config/arm/arm.c (emit_multi_reg_push): Generate a
10261 REG_FRAME_RELEATED_NOTE that is compatable with the code in
10262 dwarf2out_debug_frame_expr.
10264 2000-07-24 Jason Merrill <jason@redhat.com>
10266 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
10267 UNALIGNED_INT_ASM_OP.
10268 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
10269 a location expression.
10270 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
10271 assume indirect access if we're saving the CFA address exactly.
10273 * Makefile.in (bootstrap): Move -BstageN/ to the end.
10275 2000-07-24 Jakub Jelinek <jakub@redhat.com>
10277 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
10280 2000-07-24 Michael Meissner <meissner@redhat.com>
10282 * invoke.texi (D30V Options): Add d30v options.
10284 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
10286 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
10287 needed by our gcse pass anymore.
10288 (free_pre_mem): Corresponding changes.
10289 (compute_pre_data): Do not call compute_transpout anymore.
10291 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
10292 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
10295 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
10296 (compute_pre_data): Do it here instead.
10298 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
10300 (pre_delete): Corresponding changes.
10302 2000-07-23 Mark Mitchell <mark@codesourcery.com>
10304 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
10305 to figure out whether or not a variable has already been emitted.
10307 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
10309 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
10310 instead of gen_call.
10312 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
10314 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
10316 2000-07-23 Kazu Hirata <kazu@hxi.com>
10318 * h8300.c: Fix formatting.
10320 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
10322 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
10323 for `long' switch expression into a plain warning.
10325 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
10326 (yylex): Don't pedwarn for "inline" in C99 mode.
10328 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
10330 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
10331 ggc_alloc): Likewise.
10332 * bb-reorder.c (dump_scope_forest_1): Likewise.
10334 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
10336 * reload.c (find_reloads_toplev): Add new parameter
10337 "address_reloaded".
10338 (find_reloads): Add new parameter to find_reloads_toplev calls.
10340 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
10342 * collect2.c (main): Typo fixed.
10343 * diagnostic.c: Typo fixed.
10344 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
10345 * eh-common.h: Typo fixed.
10346 * emit-rtl.c (start_sequence): Typo fixed.
10347 * flow.c (find_label_refs): Typo fixed.
10348 (calculate_global_regs_live): Typo fixed.
10349 (mark_regno_cond_dead): Typo fixed.
10350 (create_edge_list): Typos fixed.
10351 (verify_edge_list): Typo fixed.
10352 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
10353 * loop.c (strength_reduce): Typo in function name fixed.
10354 * rtl.h: Added comments. Typo in function name fixed.
10355 * rtlanal.c: Typo in function name fixed.
10356 (insn_dependant_p): Rename to ...
10357 (insn_dependent_p): ... this.
10358 (computed_jumo_p): Typo fixed.
10360 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10362 * system.h (__FUNCTION__): Wrap definition in #ifndef.
10364 2000-07-21 David Edelsohn <edelsohn@gnu.org>
10366 * rs6000.h (SIZE_TYPE): Define.
10368 2000-07-21 Mark Mitchell <mark@codesourcery.com>
10370 * ssa.c (rename_insn_1): Don't rename registers that are
10373 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
10375 * diagnostic.c (trim_filename, fancy_abort): Moved here from
10377 (fatal_function, set_fatal_function): Removed.
10378 (fatal): Don't prepare for or call the fatal_function.
10379 (diagnostic_lock, error_recursion): New.
10380 (diagnostic_for_decl, report_diagnostic): Guard against
10381 re-entering the error reporting routines.
10382 (fancy_abort): Assume function is not NULL.
10384 * errors.c (fancy_abort): New. Assume function is not NULL.
10385 * tradcpp.c (fancy_abort): Assume function is not NULL.
10387 * system.h: Provide default definition of __FUNCTION__.
10388 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
10389 Always use __FUNCTION__ in definition of abort.
10390 * tree.h: Likewise.
10391 * varray.h: Likewise.
10392 * toplev.h: Likewise. Don't prototype set_fatal_function.
10394 2000-07-20 Geoff Keating <geoffk@cygnus.com>
10396 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
10398 * glimits.h: Don't do #if defined for ARCH_PPC.
10400 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
10401 constants of size no larger than a pointer should go in the TOC.
10402 Add 'MODE' parameter.
10403 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
10404 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
10405 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
10406 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
10407 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
10408 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
10409 (rs6000_legitimize_address): Likewise.
10410 (rs6000_emit_move): Likewise.
10411 (rs6000_select_rtx_section): Likewise.
10412 (output_toc): Deal properly with outputting small constants like
10413 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
10414 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
10415 MODE parameter. Put small constants in the TOC.
10417 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
10419 (rs6000_emit_move): When reload calls us with an illegitimate
10420 address, exit early. Move the change_address calls to one place
10421 at the end of the routine. Merge the SImode and DImode expanders.
10422 When called by reload to put an integer into a FP register, force
10425 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
10427 (rs6000_hash_constant): Hash mode too.
10428 (toc_hash_function): Allow for key_mode.
10429 (toc_hash_eq): Structures are different if key_mode differs.
10430 (output_toc): Add 'mode' parameter. Save key_mode.
10431 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
10432 Pass 'mode' parameter.
10433 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
10435 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
10436 for vtable references.
10438 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
10439 choice, don't put integer values in FP regs.
10441 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
10443 * flow.c (verify_flow_info): Revamp code to verify that the
10444 head and end of each basic block are in the insn chain.
10446 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
10448 * gcse.c (record_one_set): Prepend instead of append onto
10449 reg_set_table, making it O(n) instead O(n^2).
10450 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
10451 Use a queue instead of a stack as worklist.
10453 2000-07-20 Kazu Hirata <kazu@hxi.com>
10455 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
10456 * h8300.h (OK_FOR_T): New.
10457 (EXTRA_CONSTRAINT): Support OK_FOR_T.
10458 * h8300.md: Use inc/dec.[wl] for increment/decrement
10459 by 1 and 2 in HI and SI modes.
10461 2000-07-20 Jim Wilson <wilson@cygnus.com>
10463 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
10464 larger than 14 bits.
10466 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
10468 * cppmacro.c (CAN_PASTE_AFTER): New macro.
10469 (count_params): Don't set GNU_REST_ARGS on anything.
10470 (save_expansion): Set PASTE_LEFT only on tokens for which
10471 CAN_PASTE_AFTER is true, or which are named operators.
10473 * cpplex.c (parse_args): Distinguish between a rest argument
10474 given one empty argument, and a rest argument given zero arguments.
10475 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
10476 deletion of previous token based on that.
10477 (get_raw_token): Flatten some control structure.
10479 * cpplib.h (CPP_LAST_EQ): Correct.
10480 (VOID_REST): New token flag.
10481 (GNU_REST_ARGS): Delete.
10483 * tradcpp.c (main): Don't munge -D options.
10484 (make_definition): Bring -D handling in line with cpplib.
10485 (do_define): Strip all leading whitespace from macro definitions.
10487 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
10489 * Makefile.in (tradcpp): Depend on intl.o and version.o.
10491 2000-07-20 Bruce Korb <bkorb@gnu.org>
10493 * fixincl/check.tpl: strip the platform specific types before testing
10494 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
10495 * fixincl/fixincl.tpl: use platform specific types
10496 * fixincl/fixlib.h: include the platform specific types
10497 * fixincl/inclhack.def(gnu_types): don't supply the types
10498 * fixincl/fixincl.x: regen
10500 2000-07-19 Jim Wilson <wilson@cygnus.com>
10502 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
10505 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10507 * tradcpp.c (rescan): Do not recognize directives when the #
10510 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10512 Implement C++ named operators.
10514 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
10515 of operators allowed in #if and having an _EQ variant. Add
10516 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
10517 (cpp_token flags): Add NAMED_OP.
10518 (enum node_type): Add T_OPERATOR.
10519 (struct cpp_hashnode): Add code slot to value union.
10520 * cpphash.h (spec_nodes): Remove n_defined.
10522 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
10523 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
10524 (is_macro_disabled): Tweak error messages.
10526 * cpplib.c (get_define_node): Disallow all named operators as
10527 macro names. Tweak error messages.
10528 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
10530 * cppinit.c (builtin_array): Add entries for the named operators.
10531 * cppexp.c (lex): Check for CPP_DEFINED token.
10532 (priority table): Add entries for CPP_MIN and CPP_MAX.
10533 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
10535 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
10537 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
10538 larger than the array of cuids.
10539 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
10542 2000-07-19 Bruce Korb <bkorb@gnu.org>
10544 * fixinc/fixincl.c: Convert to using a table of environment variables
10545 and activate the auto-edit marker on the fixed output files.
10546 * fixinc/fixlib.h: Define the environment table
10547 * fixinc/fixincl.sh: export the ${INPUT} dir
10548 * fixinc/check.tpl: likewise
10550 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10552 * gcc.c (.h spec): Fix typo.
10554 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
10556 * Makefile.in: Fix tradcif.c path.
10558 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10560 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
10563 * cpphash.h (TOKEN_NAME): New macro.
10564 (_cpp_spell_operator): Deleted.
10565 (token_spellings): Now _cpp_token_spellings.
10567 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
10568 * cpplex.c: Use OP and TK macros when expanding the
10569 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
10570 store the stringification of the enumeration name (CPP_CHAR,
10571 etc.) in the name slot of token_spellings.
10572 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
10573 token_spellings directly.
10574 * cpplib.c: Use TOKEN_SPELL.
10576 * cpplex.c (_cpp_push_token): If the token being pushed back
10577 is the previous token in this context, just subtract one from
10579 * cppmacro.c (save_expansion): Clear aux field when storing a
10582 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10584 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
10585 buffer, provided it is not NULL.
10587 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
10589 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
10590 case of invalid volatile re-declaration.
10592 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10594 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
10595 (expand_call): Adjust caller.
10597 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
10599 * diagnostic.h (report_diagnostic): Change prototype.
10601 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
10602 diagnostic_for_decl): Change prototype.
10603 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
10604 error, warning, error_with_file_and_line,
10605 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
10606 Adjust call to report_diagnostic, diagnostic_for_decl.
10607 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
10608 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
10610 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
10611 varaible argument list.
10613 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10615 * cpphash.c: Don't include hashtab.h. Most macro-handling code
10616 moved to cppmacro.c.
10617 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
10618 dump_hash_helper): Delete.
10619 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
10620 cpp_forall_identifiers): New. Implement specialized version of
10621 Vlad's expandable hash table.
10622 (cpp_lookup): Use new functions.
10623 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
10625 * cppmacro.c: New file.
10626 * cppinit.c (dump_macros_helper): New.
10627 (cpp_finish): Iterate over the identifier table directly.
10628 * cpplex.c (parse_name): Calculate the hash of the identifier
10629 while we scan it. Use _cpp_lookup_with_hash when we can.
10631 * cpphash.h: Update prototypes.
10632 (xcnewvec, HASHSTEP): New helper macros.
10633 * cpplib.h: Update prototypes.
10634 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
10635 (cppmacro.o): New rule.
10636 (cpphash.o): Update deps.
10638 * cppmain.c: Do not set pfile->printer if no_output is on.
10640 2000-07-15 Neil Booth <neilb@earthling.net>
10642 * cpplib.c: Change all directive-handler functions to return
10644 * cpphash.h: Update typedefs.
10646 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10648 * configure: Regenerate.
10650 * extend.texi (Extended Asm): Mention that a memory clobber
10651 does not count as a side-effect.
10653 * unroll.c (copy_loop_body): Fix one instance of using host
10654 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
10657 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
10659 2000-07-17 Richard Henderson <rth@cygnus.com>
10661 * config/ia64/ia64.md (movdi): Split out load address code.
10662 New post-reload splitter for symbolic operands.
10663 (movdi_internal): Abort if we didn't split symbolic operands
10664 when we should have.
10665 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
10666 (ia64_reorg): Split insns when not optimizing.
10667 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
10669 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10671 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
10672 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
10674 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10676 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
10678 2000-07-17 Jason Merrill <jason@redhat.com>
10680 * Makefile.in (clean): Remove libgcc directory.
10682 * configure.in (-Wno-long-long check): Use higher-level macros.
10684 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10686 * simplify-rtx.c (simplify_binary_operation): Recognize
10687 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
10688 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
10689 a CONST_INT, it will always be zero.
10691 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10693 * loop.c (check_dbra_loop) : Return if more than one condition is
10694 present to control the loop.
10696 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
10698 * mips.c (mips_expand_prologue): Don't calculate the last argument
10699 register unless we need it. When we are calculating this, make
10700 sure FUNCTION_ARG is giving us a REG.
10702 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10704 * flow.c (libcall_dead_p): Use single_set to verify the insn
10705 has only one set and get for analysis.
10706 (propagate_one_insn): Don't pass the PATTERN of the insn.
10708 2000-07-17 Mark Klein <mklein@dis.com>
10710 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
10712 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10714 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
10715 * configure.in (TARGET_GETGROUPS_T): Evaluate.
10716 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
10717 of second argument of getgroups.
10718 * configure, config.in: Rebuilt.
10720 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10722 * simplify-rtx.c (simplify_relational_operation): Two signed
10723 values with equal high words are less/greater than each other if
10724 their low words are less/greater when considered as unsigned.
10726 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
10728 * configure.in (vax-*-openbsd): Change to new style configuration,
10729 add collect2/float_format information.
10730 * configure: Rebuilt.
10731 * config/vax/openbsd1.h: New.
10732 * config/vax/openbsd.h: New.
10733 * config/vax/t-openbsd: New.
10735 2000-07-17 Chip Salzenberg <chip@valinux.com>
10737 * c-common.c (shorten_compare): Quiet warnings about unsigned
10738 comparisons with zero when they occur in a system header.
10740 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
10742 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
10743 update to describe current practice.
10745 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
10747 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
10748 references to C9X. Change references to -fstd and -flang-isoc9x
10751 * c-common.c (scan_char_table): Allow "z" length modifiers on
10753 (check_format_info): Use TYPE_DOMAIN on the type matched against
10754 for "z" formats, to retrieve the language size_t rather than the
10757 * c-common.c (check_format_info): Do not make a pedantic objection
10758 to the 'L' length modifier if used with a floating point type
10761 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
10762 constants in C99 mode.
10764 2000-07-17 Kazu Hirata <kazu@hxi.com>
10766 * h8300.md: Fix the format of mac.
10767 (movsi_h8300hs): Output a tab after stmac instead of a space.
10769 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
10770 profitable adds/subs sequences.
10772 * fold-const.c: Fix comment typos.
10774 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
10776 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
10778 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10780 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
10782 2000-07-16 Neil Booth <NeilB@earthling.net>
10784 * cpplex.c: Update comments.
10785 * README.Portability: Small update.
10787 2000-07-16 Neil Booth <NeilB@earthling.net>
10789 * README.Portability: Small update.
10791 2000-07-15 Richard Henderson <rth@cygnus.com>
10793 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
10794 * config/ia64/ia64.c (ia64_move_ok): New function.
10795 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
10796 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
10798 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
10800 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
10801 immediately following a paste operator.
10802 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
10803 (cpp_reader_init): Call it, if HOST_EBCDIC.
10804 (cpp_handle_options): Do not sort option list here.
10805 (handle_option): Rename to cpp_handle_option and export.
10806 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
10807 _cpp_get_token directly.
10808 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
10809 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
10810 * cpplib.h: Prototype cpp_handle_option. Update prototype of
10813 2000-07-15 Richard Henderson <rth@cygnus.com>
10815 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
10816 cast around an expression. Tidy other unsigned tests.
10818 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
10820 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
10821 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
10822 (v_message_with_decl): Rename to ...
10823 (format_with_decl): ... this. Tweak
10824 (diagnostic_for_decl): New function.
10825 (fatal_io_error): Use verbatim in lieu of notice.
10826 (announce_function): Use verbatim.
10827 (default_print_error_function): Likewise.
10828 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
10831 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10833 * mips.c (function_arg_pass_by_reference): Don't do automatic
10834 aggregate initialization.
10835 (machine_dependent_reorg): Initialize variable `mode'.
10837 * mips.md (absdi2): Change variable `regno1' to unsigned int.
10838 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
10839 conflicts with sys/param.h macro of the same name.
10840 (reload_outdi): Likewise.
10842 2000-07-15 Michael Meissner <meissner@redhat.com>
10844 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
10845 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
10846 create a new node instead.
10848 2000-07-15 Neil Booth <NeilB@earthling.net>
10850 * README.Portability: Correct example about calling a function
10851 through a pointer to function. Format wide paragraphs.
10853 2000-07-15 Michael Meissner <meissner@redhat.com>
10855 * README.Portability: Update integer suffixes and function
10856 prototype sections.
10858 2000-07-15 Neil Booth <NeilB@earthling.net>
10860 * README.Portability: Small update.
10862 2000-07-15 Neil Booth <NeilB@earthling.net>
10864 * README.Portability: New file.
10866 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
10868 * INSTALL: Give special instructions for building GCC on Irix 6.
10869 * config/mips/x-iris6 (CC): Don't set it.
10872 2000-07-14 Jason Merrill <jason@redhat.com>
10874 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
10875 register in the stack and later in another register, use the new
10878 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
10880 * config/mips/mips.md: (absdi2): Handle sign_extend for
10883 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
10885 * cpplib.c (do_pragma_dependency): Tidy warning messages.
10887 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
10889 * .cvsignore: Correct typo.
10891 2000-07-13 Mark Mitchell <mark@codesourcery.com>
10893 * .cvsignore: Add generated YACC files.
10894 * objc/.cvsignore: New file.
10896 2000-07-14 Neil Booth <NeilB@earthling.net>
10898 * cpplex.c (adjust_column): New funcion.
10899 (skip_whitespace): Use it.
10900 (skip_block_comment): Use it, and warn about /*/* with
10903 2000-07-14 Neil Booth <NeilB@earthling.net>
10905 * cpphash.c (struct macro_info): Add new members.
10906 (_cpp_free_definition): Delete the macro directly.
10907 (count_params): Return void, with first token of
10908 expansion in struct macro_info on success.
10909 (parse_define): Return int. Hoist syntax checking from
10910 save_macro_expansion. Leave call to save_expansion to
10911 _cpp_create_definition.
10912 (alloc_macro): Needs just 2 arguments.
10913 (free_macro): Delete.
10914 (save_expansion): Don't perform syntax check.
10915 (_cpp_create_definition): Call save_expansion.
10917 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10919 * genrecog.c (write_header): Split long string.
10921 * cpphash.c (macro_info): Don't use the `signed' keyword.
10923 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
10925 2000-07-13 Jakub Jelinek <jakub@redhat.com>
10927 * calls.c (stored_args_map): New variable.
10928 (check_sibcall_argument_overlap_1): New.
10929 (check_sibcall_argument_overlap): New.
10930 (expand_call): Initialize stored_args_map.
10931 Call check_sibcall_argument_overlap.
10933 2000-07-13 Bruce Korb <bkorb@gnu.org>
10935 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
10936 (emit_gnu_type): utility procedure for gnu_type_fix
10937 (gnu_type_fix): implement various pre-processor guards around
10938 standard types so these types can be defined over and over
10939 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
10940 types alluded to above will have GNU-compliant base types
10941 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
10942 * fixinc/inclhack.def: add test_text entries and utilize the new
10943 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
10944 * fixinc/fixincl.x: regenerate
10946 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
10948 * diagnostic.c (vline_wrapper_message_with_location,
10949 v_message_with_file_and_line, v_error_with_file_and_file,
10950 v_error_for_asm, v_warning_for_asm, vfatal,
10951 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
10952 vsorry, verror, vwarning, vpedwarn): Remove.
10953 (diagnostic_for_asm): New function.
10954 (pedwarn, error, warning, pedwarn_with_file_and_line,
10955 error_with_file_and_line, warning_with_file_and_line, sorry,
10956 error_for_asm, warning_for_asm, fatal): Reimplement.
10957 (finish_diagnostic): Clear diagnostic info as well.
10959 2000-07-13 Neil Booth <NeilB@earthling.net>
10961 * c-common.h (flag_digraphs): New.
10962 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
10963 * c-lex.c (yylex): Use flag_digraphs to decide whether to
10966 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
10968 * gcc.c (do_spec_1): Add new %B operator.
10969 (set_input): Prepare for %B.
10971 (link_command_spec): Move up with the other tm.h-
10972 overrideable specs. Factor out the portion conditional on
10973 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
10974 (struct compiler): Just have a single spec string. All users
10976 (default_compilers): Remove unnecessary braces.
10977 (static_specs): Update.
10979 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
10981 (C and assembly specs): Use the new named specs, as appropriate.
10983 * objc/lang-specs.h: Use the new named specs.
10984 Remove unnecessary braces.
10986 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10988 * gcc.c (execute): If a subprocess gets a fatal signal, report
10989 strsignal() of the signal number, and ask for a bug report.
10990 Do not do this for SIGPIPE if there's already been an error.
10992 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
10993 Delete pipe_closed.
10995 * tradcif.c: Remove.
10997 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10999 * final.c (profile_function): Do not emit profile counters in
11000 the data section, if NO_PROFILE_COUNTERS is defined.
11001 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11004 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11005 (FUNCTION_PROFILER): Just emit a call to mcount.
11007 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11009 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11011 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11012 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11013 traditional, lang_chill, or lang_fortran.
11015 * cppfiles.c: #undef strcmp to suppress warning about macros
11016 used without arguments.
11017 (_cpp_execute_include): Use f, not fname, in "No include path"
11019 (_cpp_pop_file_buffer): New function.
11020 * cpplib.c: Don't include <sys/mman.h>.
11021 (cpp_push_buffer): Set line_base and lineno in new buffer.
11022 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
11024 * cpplex.c: Move all prototypes and structure declarations to the
11025 top of the file. Properly parenthesise some macro arguments.
11026 (cpp_scan_line): New function.
11027 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
11028 don't need to walk up the stack counting.
11030 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11032 * c-common.c (combine_strings): Emit a pedantic warning when a
11033 string length is greater than the minimum ANSI C is required
11036 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
11038 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
11039 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
11041 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11043 * c-decl.c (define_label): Warn about identifier conflicts with
11044 labels in traditional C.
11046 * c-parse.in (unop +): Warn about the unary plus operator for
11049 * c-typeck.c (store_init_value): Warn about automatic aggregate
11050 initialization for traditional C.
11052 * invoke.texi (-Wtraditional): Document new warnings.
11054 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11056 * Makefile.in (c-errors.o): Fix thinko in dependency.
11058 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11060 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
11061 -traditional, -ftraditional, or -traditional-cpp was given.
11062 Do not pass -traditional to the preprocessor.
11063 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
11064 preprocessor does it automatically.
11065 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
11067 * ch/lang-specs.h: Always use tradcpp. Do not pass
11068 -traditional, -trigraphs, or -pedantic to the preprocessor.
11069 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
11072 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11074 * cppexp.c (LOGICAL): Delete macro.
11075 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
11078 * cpphash.c (HASHSIZE): Increase to 4096.
11079 (struct hashdummy): Add hash field.
11080 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
11081 the string values using memcmp.
11082 (cpp_lookup): Set dummy.hash.
11084 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
11086 * configure.in (m88k-openbsd): Express configuration using new fragment
11088 * configure: Rebuilt.
11089 * m88k/aout-dbx.h: New.
11090 * m88k/openbsd.h: New.
11091 * m88k/xm-openbsd.h: New.
11093 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11095 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
11097 2000-07-12 Richard Henderson <rth@cygnus.com>
11099 * reload.c (push_secondary_reload): Make sure to add the new
11100 reload at the end, after acquiring secondary memory.
11102 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11104 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
11106 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
11107 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
11109 * c-parse.in (stmt): Delete unused variables.
11111 * convert.c (convert_to_vector): Likewise.
11113 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
11115 * tree.c (finish_vector_type): Prototype.
11117 2000-07-12 Bruce Korb <bkorb@gnu.org>
11119 * fixinc/fixfixes.c: use xmalloc
11120 * fixinc/fixincl.c(initialize): set program name for xmalloc
11121 * fixinc/fixlib.c(must_malloc): obsolete
11122 (is_cxx_header): no longer used - disabled
11123 (skip_quote): inserted and disabled for future use
11124 * fixinc/fixlib.h: reflects above
11125 * fixinc/fixtests.c: removed dinkleberries
11127 2000-07-12 Neil Booth <NeilB@earthling.net>
11129 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
11130 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
11132 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
11133 struct toklist_dummy): New.
11134 (cpp_free_definition): Free macros with free_macro.
11135 (count_params): Don't save paramter spellings. Save macro
11136 information in a struct macro_info.
11137 (parse_define): Don't allocate a token list.
11138 (save_expansion): Allocate the macro's token list, and
11139 save parameter spellings if necessary. Use TOKEN_SPELL.
11140 (cpp_create_definition): Make list const.
11142 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11144 * c-typeck.c (pedwarn_c99): Move to
11145 * c-errors.c: ... Here.
11146 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
11147 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
11148 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
11149 (c-errors.o): List dependency.
11151 2000-07-12 Mark Mitchell <mark@codesourcery.com>
11153 * c-parse.c: Remove.
11154 * c-parse.h: Likewise.
11155 * c-parse.y: Likewise.
11156 * objc/objc-parse.c: Likewise.
11157 * objc/objc-pasre.y: Likewise.
11159 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
11161 * gcc.texi: Fix minor typos
11162 * extend.texi: Fix minor typos
11164 2000-07-11 Marc Espie <espie@openbsd.org>
11166 * collect2.c (main): Recognize .lo as object files.
11168 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11170 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
11173 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
11174 with MAP_ANONYMOUS and MAP_ANON.
11175 * configure, config.in: Rebuilt.
11177 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11179 * diagnostic.c (save_output_state): Remove.
11180 (restore_output_state): Likewise.
11181 (clear_text_info): New function.
11182 (clear_diagnostic_info): Likewise.
11183 (output_text_length, is_starting_newline, output_prefix,
11184 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
11185 prefixing_policy, output_buffer_ptr_to_format_args): New macros
11186 (set_real_maximum_length, output_set_maximum_length,
11187 output_set_prefix, output_get_prefix, output_set_maximum_length,
11188 output_destroy_prefix, init_output_buffer,
11189 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
11190 output_add_newline, output_add_character, output_add_space,
11191 output_append_r, output_append, wrap_text, output_format,
11192 output_do_printf, output_printf, output_do_verbatim,
11193 output_verbatim, verbatim): Use them.
11194 (output_clear): Split into cleat_text_info and
11195 clear_diagnostic_info.
11196 (struct output_state): Move to...
11198 * diagnostic.h: ...Here
11199 (struct output_buffer): Adjust.
11201 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
11203 * cpplex.c (parse_name): No longer inline (premature optimization).
11204 (do_pop_context): Fold into pop_context.
11205 (pop_context): Returns int.
11206 (lex_next): Hoist test for end of directive into pop_context.
11207 (push_macro_context): Returns int; takes just reader and token.
11208 Hoist test for excessive nesting to caller.
11209 (push_arg_context): Returns void; takes just reader and token.
11210 Do not call stringify_arg or get_raw_token.
11211 (get_raw_token): Convert tail recursion through push_arg_context
11212 to a loop at this level. Call stringify_arg here if appropriate.
11213 (maybe_paste_with_next): Convert tail recursion to a while loop.
11214 Hoist test of paste_level to caller.
11216 (stringify_arg): Push arg context at beginning.
11217 (cpp_get_token): Split out core into _cpp_get_token. Call
11218 process_directive here. Throw away CPP_PLACEMARKER tokens.
11219 (_cpp_get_token): Convert tail recursion through
11220 push_macro_context to a loop at this level.
11221 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
11222 _cpp_get_raw_token): Use _cpp_get_token.
11223 (_cpp_skip_rest_of_line): Drop the context stack directly; do
11224 not call pop_context.
11225 (_cpp_run_directive): Call lex_next directly.
11227 * cpphash.h: Prototype _cpp_get_token.
11228 * cppexp.c (lex): Use it.
11229 * cpphash.c (parse_define): Use it.
11230 * cpplib.c (get_define_node, do_undef, parse_include,
11231 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
11232 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
11233 parse_ifdef, validate_else): Use it.
11234 (cpp_push_buffer): Tweak error message; abort if anyone tries
11235 to push a buffer while macro expansions are stacked.
11237 2000-07-11 Donn Terry <donnte@microsoft.com>
11239 * cpplex.c (free_macro_args, save_token): Cast arg of free
11240 and/or xrealloc to PTR.
11241 (_cpp_init_input_buffer): Clear all fields of the base context.
11243 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
11245 * gensupport.c (process_rtx): Make rtl checking stop
11246 complaining about the define_insn while it is being
11247 converted from a define_insn_and_split.
11249 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
11251 * config/mips/mips.c (simple_memory_operand): Access the
11252 INTVAL of the address, not it's containing MEM.
11254 2000-07-11 Bruce Korb <bkorb@gnu.org>
11256 * fixinc/fixtests.c(double_slash): obsolete
11257 (else_endif_label): likewise
11258 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
11259 (libc1_ifdefd_memx): correct initial comment
11260 and omit the #if/#endif pair from the memxxx declarations
11261 * fixinc/fixincl.x: regen
11263 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11265 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
11267 2000-07-11 Neil Booth <NeilB@earthling.net>
11269 * cpp.texi: Update.
11271 2000-07-11 Neil Booth <NeilB@earthling.net>
11273 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
11274 (handle_option): Set digraphs according to standard.
11275 Merge OPT_lang_c89 handler with OPT_std_c89.
11277 * cpplex.c: (lex_line, can_paste): Honour digraphs in
11278 accordance with the digraphs flag.
11280 * cpplib.h: (struct cpp_options): New option digraphs.
11282 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
11283 Bruce Korb <bkorb@gnu.org>
11285 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
11286 * fixinc/fixincl.x: Regenerate.
11287 * fixinc/tests/base/testing.h: Add testcase.
11289 2000-07-10 Richard Henderson <rth@cygnus.com>
11291 * config/ia64/ia64.c (got_symbolic_operand): New.
11292 (symbolic_operand, move_operand): Revert 0701 change.
11293 * config/ia64/ia64.h (PREDICATE_CODES): Update.
11294 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
11295 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
11296 split the offset into a 14-bit low part instead of a 13-bit low part.
11297 (load_fptr): Mark the mem as unchanging.
11298 (load_symptr): Use got_symbolic_operand.
11300 2000-07-10 Nick Clifton <nickc@cygnus.com>
11302 * libgcc2.c (next_stack_level): Cast result of computation to
11303 (void **) so that the assignment does not generate a warning.
11305 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
11307 * flags.h : Add new variable flag_single_precision_constant.
11308 * toplev.c (display_help) : Add -fsingle-precision-constant option.
11309 (flag_single_precision_constant): New.
11310 * c-lex.c (yylex): Convert floating point constant to single
11311 precision constant.
11312 * invoke.texi : Add documentation for this new option.
11314 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11316 * diagnostic.c (output_octal): Second parameter is unsigned.
11317 (output_long_octal): Likewise.
11318 (output_hexadecimal): Likewise.
11319 (output_long_hexadecimal): Likewise.
11320 (output_format): Adjust arguments extraction. Tweak.
11321 (output_verbatim, verbatim): End variable argument list.
11322 (report_diagnostic): Improve documentation.
11324 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
11326 * c-common.h (build_stmt): Declare.
11327 (build_continue_stmt): Likewise.
11328 (build_break_stmt): Likewise.
11329 (build_return_stmt): Likewise.
11331 * c-decl.c (do_case): Rewrite to do what previously done in
11334 * c-semantics.c (build_stmt): Define.
11335 (build_return_stmt): Likewise.
11336 (build_break_stmt): Likewise.
11337 (build_continue_stmt): Likewise.
11338 (build_case_label): Likewise.
11340 * c-parse.in (BREAK): Change to build tree, then generate RTL.
11341 (CONTINUE): Likewise.
11342 (RETURN): Likewise.
11344 (DEFAULT): Likewise.
11346 * c-parse.y: Regenerate.
11347 * c-pasre.c: Likewise.
11349 2000-07-09 Jason Merrill <jason@redhat.com>
11351 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
11353 * tree.h (STRIP_NOPS): Check for error_mark_node.
11354 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
11355 (dwarf2out_*): Remove duplicate declarations.
11357 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
11358 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
11360 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11362 * diagnostic.c (wrap_text): New function.
11363 (maybe_wrap_text): Likewise.
11364 (output_add_string): Use it.
11365 (output_format): Likewise.
11366 (count_error): Use verbatim instead of notice.
11367 (report_error_function): Likewise. Don't use plain fprintf.
11368 (finish_diagnostic): New function.
11369 (output_do_verbatim): Tweak. Commonalize functionalities in
11370 output_verbatim and verbatim.
11371 (output_verbatim): Adjust.
11372 (verbatim): Likewise.
11373 (report_diagnostic): Define.
11375 * diagnostic.h (report_diagnostic): Prototype.
11377 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
11379 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
11381 2000-07-09 Neil Booth <NeilB@earthling.net>
11383 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
11384 IShspace, ISspace: Update.
11386 * cppinit.c: ISTABLE: Update.
11389 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
11390 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
11391 (skip_block_comment, skip_line_comment, parse_string,
11392 lex_line): Use is_vspace rather than IS_NEWLINE.
11393 (skip_whitespace, lex_line): Clean up to use is_nvspace.
11394 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
11396 (lex_next): Unconditionally stop if within a directive.
11397 Treat directives within macro invocations as directives
11398 (after parse_args emits error), not as the argument.
11400 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
11402 * diagnostic.c (diagnostic_args): New macro.
11403 (diagnostic_msg): Likewise.
11404 (output_formatted_integer): Likewise.
11405 (output_state): New data type.
11406 (digit_buffer): Make global.
11407 (output_add_integer): Rename to output_decimal. Squeeze
11409 (output_long_decimal, output_unsigned_decimal,
11410 output_long_unsigned_decimal, output_octal, output_long_octal,
11411 output_hexadecimal, output_long_hexadecimal): New functions.
11412 (output_append_r): New function.
11413 (output_append): Tweak.
11414 (output_flush_on): Rename to output_to_stream.
11415 (output_format): Change prototype. Improve documentation. Handle
11416 more format specifiers.
11417 (build_location_prefix): Rename to context_as_prefix.
11418 (output_notice): Rename to output_do_printf.
11419 (output_printf): Tweak.
11420 (line_wrapper_printf): Likewise.
11421 (vline_wrapper_message_with_location): Adjust call to renamed
11423 (v_message_with_decl): Likewise.
11424 (default_print_error_function): Likewise.
11425 (save_output_state): New function.
11426 (restore_output_state): Likewise.
11427 (output_do_verbatim): Likewise.
11428 (output_verbatim): Define.
11429 (verbatim): Likewise.
11431 * diagnostic.h (printer_fn): Change return type from void to int.
11432 Improve documentation.
11433 (output_add_integer): Rename to output_decimal.
11434 (output_flush_on, output_format): Don't export.
11435 (output_verbatim, verbatim): Declare.
11437 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
11439 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
11440 Check whether c divides op1 exactly if operation is not
11443 2000-07-08 Richard Henderson <rth@cygnus.com>
11445 * final.c (final): Do not abort when reg-stack introduces
11448 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
11450 * cpplib.h (struct cpp_name): Now struct cpp_string.
11451 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
11452 CPP_HEADER_NAME): Change to type S.
11453 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
11454 field, a cpp_hashnode *. All references to val.name updated
11455 to use val.str or val.node as appropriate.
11456 (struct cpp_reader): Add spec_nodes field.
11457 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
11459 * cpphash.h (struct spec_nodes): New.
11460 (enum spell_type): Reorder. Only SPELL_STRING tokens use
11461 val.str. All references to 'spelling > SPELL_NONE' updated to
11464 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
11465 pfile->buffer->inc are not NULL before dereferencing them.
11467 * cpplex.c (parse_name): Take a pointer to the current token,
11468 plus current position and limit as args; return the new
11469 position; don't copy the text of a name into the string
11470 buffer, instead call cpp_lookup and store the node pointer.
11471 If extending a token, copy out the text of the old into a
11472 scratch buffer, append the new, look that up and store the new
11473 node pointer. Inline.
11474 (maybe_paste_with_next): If the result of paste is a NAME,
11475 then look up the pasted text and store its node pointer.
11476 (lex_line): Adjust for new parse_name interface.
11477 Check for L"str", L'str' using spec_nodes->n_L.
11478 (spell_token): SPELL_IDENT tokens have their spelling in
11479 val.node->name. Handle SPELL_STRING tokens that don't have
11481 (_cpp_expand_name_space,
11482 (can_paste): Check for L ## "str" using spec_nodes->n_L.
11483 (cpp_get_token, special_symbol): No need to call cpp_lookup.
11484 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
11485 return 1=equal 0=not, not a tristate.
11487 * cpphash.c (var_args_str): Delete.
11488 (find_param): Compare node fields directly.
11489 (is__va_args__): Use CPP_PEDANTIC. Just compare
11490 token->val.node with spec_nodes->n__VA_ARGS__.
11491 (dump_funlike_macro): Don't use var_args_str.
11493 * cpplib.c (_cpp_check_directive): Just walk through
11494 spec_nodes->dirs comparing pointers.
11495 (get_define_node, do_pragma_poison, detect_if_not_defined,
11496 parse_ifdef): The identifier has already been looked up.
11497 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
11499 (do_if): Only call detect_if_not_defined at beginning of file.
11500 (_cpp_parse_assertion): Only copy string pointers for
11501 SPELL_STRING tokens.
11502 (pragma_dispatch): Take a node pointer and examine its name
11504 (_cpp_init_stacks): Also initialize the spec_nodes structure.
11506 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
11508 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
11509 reverse order from the corresponding _cpp_init_* routines.
11511 * cppexp.c (parse_number, parse_charconst, parse_defined,
11512 lex): Check val.node->type instead of calling cpp_defined.
11513 Use spec_nodes entries where appropriate.
11515 * fix-header.c, scan-decls.c: Update for interface changes.
11517 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
11519 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
11520 emitting aux_truncdfsf2.
11522 2000-07-03 Donn Terry (donnte@microsoft.com)
11524 * cppinit.c (print_help): split overlong line into ISO C89
11527 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11529 * cppexp.c: Update all code for new lexer interface.
11530 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
11531 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
11532 * cpplex.c (token_names): Trim leading CPP_ from names; make
11533 the strings unsigned.
11534 (_cpp_spell_operator): New.
11535 (is_macro_disabled): Disable all macros if rescanning
11537 (_cpp_get_directive_token): Remove.
11539 * cppinit.c: Don't set no_macro_expand.
11540 * cpplib.c (read_line_number, do_line): Check only for EOF,
11542 * cpphash.h: Update prototypes.
11543 * cpplib.h (CPP_VSPACE): Remove.
11544 (struct cpp_reader): Remove no_macro_expand.
11546 2000-07-08 Neil Booth <NeilB@earthling.net>
11548 * cpphash.c (is__va_args__): New function.
11549 (count_params): Fix line reported in error messages. Use
11550 is__va_args__. Don't return ')' on error. Flag GNU style
11551 rest args macro definitions.
11552 (parse_define): Check macro name is not __VA_ARGS__.
11553 (save_expansion): Check identifier in non-varargs-macro is
11554 not __VA_ARGS__. Don't flag GNU_VARARGS.
11555 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
11556 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
11557 than per-token GNU_VARARGS.
11558 * cpplib.h (GNU_VARARGS): Remove.
11559 (GNU_REST_ARGS): New.
11561 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11563 * i386.md (call_pop, call, call_value_pop): Do not set
11564 current_function_uses_pic_offset_table for calls to static
11565 functions or indirect calls.
11567 2000-07-07 Jim Wilson <wilson@cygnus.com>
11569 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
11570 is_predicate_reg, then take max write_count of register pair.
11572 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11574 * tradcpp.c (main): Rename label `include' to `add_include' to
11575 avoid conflicts with variable `include' in traditional C.
11577 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11579 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
11581 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11583 * sibcall.c (uses_addressof): Add INMEM argument, check for
11584 current_function_internal_arg_pointer outside of MEM rtxs in addition
11586 (sequence_uses_addressof): Update caller.
11588 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11590 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
11593 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11595 * system.h (UNION_INIT_ZERO): New macro for initializing union
11596 members in structs.
11598 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
11600 2000-07-07 Neil Booth <NeilB@earthling.net>
11602 * cpp.texi: Update.
11604 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
11606 * final.c (final): Detect out of bounds array access to
11607 the insn_lengths array.
11609 2000-07-07 Kazu Hirata <kazu@hxi.com>
11611 * fold-const.c (fold): Fix a comment typo.
11613 2000-07-07 Neil Booth <NeilB@earthling.net>
11615 * cpp.texi: Update to new lexer.
11617 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11619 * tradcpp.c: New file.
11620 * tradcif.y: New file.
11621 * tradcif.c: New generated file.
11623 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
11624 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
11625 dependencies of C. Install tradcpp from install-common, in
11628 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11630 * cppinit.c: Include cppdefault.h. Refer to
11631 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
11632 to GCC_INCLUDE_DIR and its length.
11633 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
11634 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
11635 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
11637 (include_defaults_array): Move to cppdefault.c.
11639 * cppdefault.h: New file.
11640 * cppdefault.c: New file.
11642 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
11643 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
11644 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
11647 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11649 * reload.c (push_reload): When seeing if can reuse a register,
11650 check extra registers against widest of INMODE and OUTMODE.
11652 2000-07-06 Neil Booth <NeilB@earthling.net>
11654 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
11655 based on full length of predicate.
11657 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
11659 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
11660 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
11662 2000-07-05 Kazu Hirata <kazu@hxi.com>
11664 * h8300-proto.h: Fix formatting.
11665 * h8300.c: Likewise.
11666 * h8300.h: Likewise.
11668 2000-07-05 Jim Wilson <wilson@cygnus.com>
11670 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
11673 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
11675 * invoke.texi: Fix minor typos
11676 * md.texi: Fix minor typos
11678 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
11680 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
11682 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11684 * cpplex.c: Don't include sys/mman.h.
11685 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
11687 * cpplib.c: Include sys/mman.h and obstack.h.
11688 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
11690 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
11691 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
11692 bother freeing if stack entries (they will be freed with their buffer).
11693 (do_endif): Free if stack entries from the buffer obstack.
11694 (push_conditional): Allocate if stack entries from the buffer obstack.
11696 (find_answer): Rename to _cpp_find_answer.
11697 (do_assert, do_unassert): Update.
11699 * cpphash.h: Update prototypes.
11700 (xobnew): New convenience macro.
11701 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
11703 (struct cpp_hashnode): Remove disabled field.
11705 * cppinit.c: Don't include hashtab.h or splay-tree.h.
11706 (report_missing_guard): Moved to cppfiles.c.
11707 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
11709 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
11710 cpp_cleanup_includes. Don't destroy hashtab or
11711 all_include_files here.
11712 (cpp_finish): Use _cpp_report_missing_guards.
11714 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
11715 (_cpp_init_include_table): Rename _cpp_init_includes.
11716 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
11718 * cppexp.c (parse_assertion): Update for new name of
11721 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
11723 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11725 * cpplib.c (do_ident): s/VSPACE/EOF/
11727 2000-07-05 Neil Booth <NeilB@earthling.net>
11729 * cpplex.c: Fix trigraph replacement within strings.
11731 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11733 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
11735 * xcoffout.c (assign_type_number): Constify.
11736 (xcoffout_source_file): Add static prototype. Don't needlessly
11737 cast away const-ness.
11739 2000-07-04 Jason Merrill <jason@redhat.com>
11741 * frame.h (frame_state): Move base_offset to end.
11743 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
11745 * calls.c (emit_library_call_value_1): Revert previous change.
11747 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
11749 * fix-header.c (struct partial_proto): Remove unnecessary fields.
11750 (recognized_extern, recognized_function, read_scan_file):
11751 Update for new scheme.
11752 (check_protection): It's still a multiple include guard even
11753 if it doesn't always trigger.
11754 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
11756 * scan.h: Declare struct cpp_token. Update prototypes.
11758 2000-07-03 Neil Booth <neilb@earthling.net>
11759 Zack Weinberg <zack@wolery.cumb.org>
11761 Complete overhaul of the lexer and macro expander.
11763 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
11764 arg, arglist, argdata, reflist, collect_objlike_expansion,
11765 collect_funlike_expansion, collect_params,
11766 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
11767 unsafe_chars, macarg, compare_defs, special_symbol,
11768 scan_arguments, stringify, funlike_macroexpand,
11769 _cpp_quote_string, monthnames): Delete.
11770 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
11771 _cpp_create_definition, _cpp_dump_definition,
11772 dump_hash_helper): Adjust.
11773 (find_param, count_params, parse_define, var_args_str,
11774 check_macro_redefinition, save_expansion): New.
11776 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
11777 parse_string, output_line_command, trigraph_replace,
11778 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
11779 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
11780 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
11781 _cpp_skip_rest_of_line): Modify.
11783 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
11784 find_position, null_warning, bump_column, expand_name_space,
11785 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
11786 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
11787 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
11788 _cpp_prescan): Delete.
11790 (dump_param_spelling, process_directive, lex_next,
11791 is_macro_disabled, stringify_arg, expand_context_stack,
11792 output_token, make_string_token, alloc_number_token,
11793 special_symbol, duplicate_token, maybe_paste_with_next,
11794 can_paste, prevent_macro_expansion, restore_macro_expansion,
11795 get_temp_token, release_temp_tokens, quote_string,
11796 token_names, token_spellings, _cpp_expand_name_space,
11797 _cpp_glue_header_name, _cpp_reserve_name_space,
11798 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
11799 placemarker_token, eof_token, cpp_context, macro_args,
11800 get_raw_token, parse_arg, parse_args, save_token,
11801 push_arg_context, push_macro_context, pop_context,
11802 do_pop_context, free_macro_args, _cpp_get_line,
11803 _cpp_run_directive): New.
11805 * cpplib.c (validate_else, parse_include, push_conditional,
11806 pass_thru_directive, read_line_number, parse_ifdef,
11807 detect_if_not_defined, _cpp_check_directive, do_define,
11808 do_undef, do_include, do_import, do_include_next, do_error,
11809 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
11810 top_pragmas, do_pragma_gcc, do_pragma_implementation,
11811 do_pragma_poison, do_pragma_system_header,
11812 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
11813 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
11814 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
11815 cpp_defined): Update for new scheme.
11816 (strtoul_for_line, get_define_node, dump_macro_name,
11817 _cpp_check_linemarker, _cpp_parse_assertion): New.
11818 (_cpp_handle_directive, do_pragma_default): Delete.
11820 * cpphash.h (struct predicate): Now struct answer.
11821 (enum spell_type, struct token_spelling, struct directive,
11822 directive_handler): New.
11823 Update prototypes. Remove unused macros.
11824 * cpplib.h: Update prototypes. Remove unused macros,
11825 structure definitions, and fields.
11827 * cpperror.c (print_containing_files, v_message): Adjust.
11828 * cppexp.c (parse_assertion, lex, parse_escape,
11829 _cpp_parse_expr): Adjust.
11830 * cppfiles.c (open_include_file, _cpp_execute_include,
11831 _cpp_compare_file_date, cpp_read_file, read_include_file):
11833 * cppinit.c (dump_special_to_buffer): Delete.
11834 (append_include_chain, merge_include_chains, cpp_reader_init,
11835 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
11836 cpp_finish, handle_option, print_help): Adjust.
11837 * cppmain.c (main): Adjust.
11839 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
11841 * cppspec.c (lang_specific_driver): Use double quotes in error
11844 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
11846 * calls.c (emit_library_call_value_1): Use valreg instead
11847 of hard_libcall_value.
11849 2000-07-03 Geoff Keating <geoffk@cygnus.com>
11851 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
11852 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
11853 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
11861 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
11862 mode instead of wider_mode is being used.
11864 2000-07-03 Jakub Jelinek <jakub@redhat.com>
11866 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
11867 of 'r'. Use q_regs_operand.
11868 (andsi_1+2): Use q_regs_operand.
11870 2000-07-03 Jakub Jelinek <jakub@redhat.com>
11872 * builtins.c (get_memory_rtx): Always put into alias set 0.
11874 2000-07-03 Nick Clifton <nickc@cygnus.com>
11876 * config/arm/arm.md: Fix post increment and pre increment
11877 peepholes so that they do not generate UNPREDICATBLE opcodes.
11878 (ie ones where the increment clobbers the source/destination).
11880 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
11882 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
11883 change too big for -mtiny-stack" a warning, if larger than 63.
11884 (out_set_stack_ptr): Change the logic so -mno-interrupts is
11885 always safe to use on possible future devices.
11886 (function_prologue): Write SPH before SPL, for consistency.
11887 If interrupt_func_p true, we know we have enabled interrupts.
11888 (avr_num_arg_regs): New function. Round up to even number of
11889 bytes if no -mpack-args or if calling a libgcc function.
11890 (function_arg, function_arg_advance): Use it.
11891 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
11892 Output "movw" if available.
11893 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
11894 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
11895 (asm_output_section_name): Add blanks for consistent output.
11896 (encode_section_info): Set TREE_READONLY for progmem data to
11897 avoid gas warnings about changed section attributes.
11898 (avr_hard_regno_mode_ok): Force non-QImode data to start in
11899 even numbered registers on devices with "movw".
11900 * config/avr/avr.h (MASK_*): Define bits for target_flags.
11901 (TARGET_SWITCHES): Mark help strings for translation.
11902 Add new -mpack-args and -menhanced switches.
11903 (TARGET_OPTIONS): Mark help strings for translation.
11904 (progmem_section): Add section attributes.
11905 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
11906 Output "movw" if available.
11907 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
11909 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
11910 call convention (arguments aligned on even registers).
11911 (_cleanup, _exit): Make weak symbols libc can override.
11913 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11915 * fp-bit.h: New file.
11917 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
11918 Comment #endif statements.
11919 (__thenan_sf, __thenan_df): Add missing braces around initializer.
11921 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
11923 * gcse.c (compute_pre_data): Compute ae_kill using other local
11924 properties instead of calling compute_ae_kill.
11926 * alias.c (init_alias_analysis): Do not call
11927 prologue_epilogue_contains until after reload has completed.
11929 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
11931 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
11932 (genrtl_finish_compound_stmt): Likewise.
11933 (genrtl_compound_stmt): Change to return void.
11935 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
11936 move code from here to ...
11937 (genrtl_compound_stmt): ... here.
11938 (genrtl_finish_compound_stmt): Remove.
11939 (expand_stmt): Add comment.
11941 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
11943 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
11946 2000-07-02 Jakub Jelinek <jakub@redhat.com>
11948 * cpplib.h (struct cpp_reader): New field include_depth.
11949 (struct cpp_printer): Rename last_bsd to last_id.
11950 * cppfiles.c (read_include_file): Bump include_depth.
11951 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
11952 (output_line_command): Output correct #line if a header
11953 is including itself and is not protected against multiple inclusion.
11954 Use include_depth instead of buffer_stack_depth, last_id instead of
11956 * cppinit.c (cpp_start_read): Initialize last_id instead of
11959 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
11961 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
11962 (c-semantics.o): New target.
11964 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
11965 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
11966 (genrtl_clear_out_block): Likewise.
11967 (genrtl_goto_stmt): Likewise.
11968 (genrtl_expr_stmt): Likewise.
11969 (genrtl_decl_stmt): Likewise.
11970 (genrtl_if_stmt): Likewise.
11971 (genrtl_while_stmt): Likewise.
11972 (genrtl_do_stmt): Likewise.
11973 (genrtl_return_stmt): Likewise.
11974 (genrtl_for_stmt): Likewise.
11975 (genrtl_break_stmt): Likewise.
11976 (genrtl_continue_stmt): Likewise.
11977 (genrtl_scope_stmt): Likewise.
11978 (genrtl_switch_stmt): Likewise.
11979 (genrtl_case_label): Likewise.
11980 (genrtl_begin_compound_stmt): Likewise.
11981 (gerntl_finish_compound_stmt): Likewise.
11982 (genrtl_compound_stmt): Likewise.
11983 (genrtl_asm_stmt): Likewise.
11984 (genrtl_decl_cleanup): Likewise.
11985 (DECL_ANON_UNION_ELEMS): Likewise.
11986 (emit_local_var): Likewise.
11987 (make_rtl_for_local_static): Likewise.
11988 (expand_cond): Likewise.
11989 (expand_stmt): Likewise.
11990 (c_expand_return): Likewise.
11991 (c_expand_start_case): Likewise.
11992 (do_case): Likewise.
11993 (COMPOUND_STMT_NO_SCOPE): Likewise.
11994 (c_expand_asm_operands): Likewise.
11995 (NEW_FOR_SCOPE_P): New macro.
11996 (expand_expr_stmt_fn): New type.
11998 (set_current_function_name_declared): Likewise.
11999 (current_function_name_declared): Likewise.
12000 (lang_expand_stmt): Likewise.
12001 (stmts_are_full_exprs_p): Likewise.
12002 (anon_aggr_type_p): Likewise.
12003 (lang_expand_expr_stmt): Likewise.
12004 (build_case_label): Likewise.
12006 * c-decl.c (lang_expand_expr_stmt): Initialize.
12007 (stmts_are_full_exprs_p): Define.
12008 (current_function_name_declared): Likewise.
12009 (do_case): Likewise.
12010 (lang_expand_stmt): Likewise.
12011 (set_current_function_name_declared): Likewise.
12012 (anon_aggr_type_p): Likewise.
12014 * c-semantics.c: New file.
12015 (expand_cond): Moved from cp/semantics.c.
12016 (genrtl_do_pushlevel): Likewise.
12017 (genrtl_clear_out_block): Likewise.
12018 (genrtl_goto_stmt): Likewise.
12019 (genrtl_expr_stmt): Likewise.
12020 (genrtl_decl_stmt): Likewise.
12021 (genrtl_if_stmt): Likewise.
12022 (genrtl_while_stmt): Likewise.
12023 (genrtl_do_stmt): Likewise.
12024 (genrtl_return_stmt): Likewise.
12025 (genrtl_for_stmt): Likewise.
12026 (genrtl_break_stmt): Likewise.
12027 (genrtl_continue_stmt): Likewise.
12028 (genrtl_scope_stmt): Likewise.
12029 (genrtl_switch_stmt): Likewise.
12030 (genrtl_case_label): Likewise.
12031 (genrtl_begin_compound_stmt): Likewise.
12032 (genrtl_finish_compound_stmt): Likewise.
12033 (genrtl_compound_stmt): Likewise.
12034 (genrtl_asm_stmt): Likewise.
12035 (genrtl_decl_cleanup): Likewise.
12036 (make_rtl_for_local_static): Moved from cp/decl.c.
12037 (emit_local_var): Likewise.
12038 (expand_stmt): Define.
12040 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
12041 (c_expand_return): Likewise.
12042 (c_expand_start_case): Likewise.
12044 2000-07-01 Richard Henderson <rth@cygnus.com>
12046 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
12047 with the low 13 bits set.
12048 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
12049 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
12050 of the low 13 bits into a CONST plus an adddi3.
12051 (load_symptr): Set RTX_UNCHANGING_P.
12053 See ChangeLog.3 for earlier changes.