1 2000-11-20 Neil Booth <neilb@earthling.net>
3 * c-lang.c (lang_init_options): Update call to
5 * cppmain.c (main): Similarly.
6 * fix-header.c (read_scan_file): Similarly.
7 * cp/lex.c (lang_init_options): Similarly.
8 * objc/objc-act.c (lang_init_options): Similarly.
9 * cppexp.c (parse_number): Only warn for unextended C89.
10 * cppinit.c (set_lang): New function.
11 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
12 (COMMAND_LINE_OPTIONS): New option std=c++98.
13 (cpp_handle_option): Use set_lang.
14 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
15 * cppib.h (enum_c_lang): New enumeration. Update comments.
17 2000-11-20 Will Cohen <wcohen@redhat.com>
19 * calls.c (expand_call): Clear target only when target is in
20 hard register and current_function_check_memory_usage is set.
22 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
24 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
26 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
28 2000-11-19 Richard Henderson <rth@redhat.com>
30 * crtstuff.c (force_to_data): Use array size 1 not 0.
32 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
33 no computed size as size zero.
34 (field_byte_offset): Likewise.
36 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
38 * config.gcc: Fix another typo.
40 2000-11-19 Richard Henderson <rth@redhat.com>
42 * c-decl.c (grokdeclarator): Support flexible array members.
43 Use open-ended ranges for these and zero-length arrays.
44 * c-typeck.c (push_init_level): Validate the context of
45 initialization of a zero-length array.
46 * tree.c (int_fits_type_p): Be prepared for missing bounds.
47 * varasm.c (array_size_for_constructor): New.
48 (output_constructor): Use it for arrays of unspecified length.
49 * extend.texi (Zero Length): Mention C99 flexible array members.
50 Document initialization in a top-level struct as valid.
52 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
54 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
56 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
57 stdarg and varargs functions.
59 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
61 * gcc.c (process_command): Define 'j' variable when
62 MODIFY_TARGET_NAME is defined.
64 2000-11-19 Richard Henderson <rth@redhat.com>
66 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
68 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
70 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
71 calculation and allocation.
73 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
75 * builtins.c (c_getstr): Constify variable.
76 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
77 * conflict.c (const_conflict_graph_arc): New typedef.
78 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
79 * cppmacro.c (builtin_macro): Likewise.
80 * dwarf2out.c (output_comp_unit): Constify variable.
81 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
82 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
83 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
85 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
86 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
87 * varasm.c (const_str_htab_hash, const_str_htab_eq,
88 compare_constant_1, record_constant_1): Constify.
90 2000-11-18 Richard Henderson <rth@redhat.com>
92 * c-decl.c (grokdeclarator): Special case the creation of an
93 index for a zero-length array.
94 * tree.c (build_index_type): Revert Oct 20 change.
96 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
98 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
99 * config/avr/avr.c (jump_tables_size): New variable.
100 (function_prologue): Initialize it as 0.
101 (function_epilogue): Add it to function_size.
102 (avr_output_addr_vec_elt): New function. Count words in jump
103 tables in jump_tables_size. Move code ...
104 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
105 Call avr_output_addr_vec_elt instead.
106 * config/avr/avr.md (tablejump): Remove disabled define_expand.
108 2000-11-18 Mark Mitchell <mark@codesourcery.com>
110 * configure.in: Make --enable-new-gxx-abi the default.
111 * configure: Likewise.
113 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
115 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
117 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
118 Move extern function declarations to tradcpp.h.
120 * tradcpp.c: Likewise.
122 * tradcpp.h: New file.
124 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
126 * c-decl.c (check_for_loop_decls): New function.
127 * c-parse.in (for_init_stmt): New.
128 (select_or_iter_stmt): Use for_init_stmt.
129 * c-tree.h (check_for_loop_decls): New declaration.
131 2000-11-18 Neil Booth <neilb@earthling.net>
133 * cppinit.c: Update comments.
134 (cpp_reader_init): Make -imacro and -include use the standard
135 #include "" search path.
136 (do_includes): New function.
138 2000-11-18 Ben Elliston <bje@redhat.com>
140 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
141 out of a branch delay slot.
143 2000-11-17 Richard Henderson <rth@redhat.com>
145 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
146 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
147 (ASM_FILE_START): Only write out ecoff .file directive if
148 emitting mdebug debugging.
150 2000-11-17 Richard Henderson <rth@redhat.com>
152 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
153 whether as accepts .file/.loc and produces dwarf2 line info.
154 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
155 the assembler supports it.
156 * config.in, configure: Regenerate.
158 2000-11-17 Richard Henderson <rth@redhat.com>
160 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
162 2000-11-17 Jim Wilson <wilson@redhat.com>
164 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
165 Don't clear need_barrier is next_insn is a CALL_INSN, or has
166 instruction type B or UNKNOWN.
168 2000-11-17 Neil Booth <neilb@earthling.net>
170 * cpperror.c (print_file_and_line): Don't display line number if 0.
172 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
174 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
175 digit_vector and digit_string.
176 * stringpool.c (digit_vector): New.
177 (ggc_alloc_string): Use digit_string.
179 * stmt.c (digit_strings): Delete.
180 (init_stmt): Do not initialize digit_strings.
181 (expand_asm_operands): Use ggc.h's digit_string macro.
182 * toplev.c (mark_file_stack): Delete.
183 (compile_file): Don't call init_tree_codes.
184 (main): No need to make the file stack a GC root.
185 * tree.c (init_tree_codes): Delete.
186 * tree.h (init_tree_codes): Delete.
188 * c-lex.c: Don't include ggc.h.
189 (mark_splay_tree_node, mark_splay_tree): Delete.
190 (init_c_lex): No need to ggc_strdup string constant. Don't add
191 file_info_tree to GGC roots.
192 (cb_enter_file, cb_rename_file): No need to ggc_strdup
195 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
197 * dbxout.c (dbxout_init),
198 dwarf2out.c (dwarf2out_line),
199 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
200 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
201 xcoffout.c (xcoffout_source_file),
202 i386.c (load_pic_register):
203 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
205 * except.c (create_rethrow_ref),
206 profile.c (init_edge_profiler),
207 toplev.c (compile_file),
208 varasm.c (named_section, assemble_static_space,
209 assemble_trampoline_template, output_constant_def, force_const_mem),
210 i386.c (load_pic_register),
211 ia64.c (ia64_encode_section_info),
212 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
213 rs6000_emit_prologue, rs6000_emit_epilogue),
214 rs6000.md (load_toc_aix_si, load_toc_aix_di):
215 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
217 * profile.c (output_func_start_profiler),
219 i386.c (load_pic_register): No need to ggc_strdup string constant.
221 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
223 * Makefile.in (config.status): Depend on config.gcc.
224 * configure.in <for machine in $build $host $target>: Move
225 contents of loop into config.gcc, removing autoconf quoting.
226 Fix changequote bug for alpha*-*-vxworks*.
227 * configure: Regenerate.
230 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
232 * c-parse.in (if_prefix): Find the filename and line number at
233 $-2 and $-1 respectively.
234 * diagnostic.c (error_recursion): Add missing newline, use
235 fputs, translate string.
237 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
239 * stringpool.c: New file.
240 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
241 (ggc_alloc_string): Now in stringpool.o.
242 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
243 * ggc.h: Delete prototype of ggc_add_string_root. #define
244 ggc_add_string_root and ggc_mark_string to nothing. Prototype
245 init_stringpool and stringpool_statistics.
246 (ggc_alloc_string): Returns a const char *.
247 * tree.c (hash_table, do_identifier_warnings): Delete.
248 (init_obstacks): Don't initialize the identifier hash table.
249 (get_identifier, maybe_get_identifier, start_identifier_warnings,
250 set_identifier_size): Now in stringpool.c.
251 * tree.h (struct tree_string): Constify pointer field.
252 (approx_sqrt): Prototype.
254 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
256 * toplev.c (approx_sqrt): New function.
257 (compile_file): Call stringpool_statistics if mem_report is on.
258 (main): Call init_stringpool.
260 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
261 (process_directive), c-typeck.c (constructor_asmspec, struct
262 initializer_stack, start_init), except.c (create_rethrow_ref),
263 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
264 (built_in_filename), varasm,c (in_named_name,
265 assemble_static_space, struct constant_descriptor, struct
266 deferred_string, struct pool_constant, force_const_mem),
267 i386.c (pic_label_name, global_offset_table_name), rs6000.c
268 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
270 * c-common.c (combine_strings): Combine strings in scratch
271 buffer, then pass to build_string.
272 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
273 output_func_start_profiler), stmt.c (init_stmt), alpha.c
274 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
275 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
276 rs6000.c (rs6000_encode_section_info): Create string in
277 scratch buffer, then pass to ggc_alloc_string.
279 * stmt.c (expand_asm_operands): If we must adjust the
280 constraint strings, do so by creating a new one, not by
281 modifying the old one in place. Constify some char *s.
282 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
283 argument. Create string in scratch buffer, then pass to
285 * config/pa/pa-protos.h: Update prototype.
286 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
287 hppa_encode_label takes only one argument.
289 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
291 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
294 * cpplib.c (glue_header_name): Likewise.
296 * fixincl.c (run_compiles, start_fixer): Likewise.
298 * fixlib.c (load_file_data): Likewise.
300 * mkdeps.c (munge): Likewise.
302 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
304 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
305 trailing ';'. Fix formatting.
307 2000-11-16 Jim Wilson <wilson@redhat.com>
309 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
310 Shift masks left by one to avoid conflict.
312 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
315 2000-11-16 Nick Clifton <nickc@redhat.com>
317 * config/arm/arm.c (output_arm_prologue): Note nested functions.
318 (arm_expand_prologue): For nested functions preserve the
319 static chain register during stack frame creation.
321 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
322 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
323 with a stack frame there is a 4 byte gap between the arg
324 pointer and the hard frame pointer (used to preserve the
325 static chain register during stack frame creation).
327 2000-11-16 DJ Delorie <dj@redhat.com>
329 * rtl.c (read_rtx): Provide suitable names for unnamed
330 define_insn and define_insn_and_split patterns, based on file
333 2000-11-15 Neil Booth <neilb@earthling.net>
335 * cpplib.c (start_directive, end_directive): New functions.
336 (_cpp_handle_directive, run_directive): Use them.
337 (_cpp_handle_directive): Don't -Wtraditional on indented
339 (_cpp_push_buffer): Don't re-clear was_skipping.
340 * cpplib.h (struct cpp_reader): New member la_saved.
341 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
344 gcc.dg/cpp/_Pragma1.c: Update.
345 gcc.dg/cpp/_Pragma2.c: New test.
347 2000-11-15 Mark Mitchell <mark@codesourcery.com>
349 * toplev.c (wrapup_global_declarations): Don't write out
350 artificial static variables that aren't needed.
352 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
354 * ia64.c (struct group): New structure.
355 (last_group): New static array.
356 (group_idx): New static variable.
357 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
358 New static functions.
359 (emit_insn_group_barriers): Initialize and keep track of group_idx
361 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
362 Replace all calls to emit_insn_after that emit a group barrier to use
363 emit_group_barrier_after.
364 * ia64.h (MASK_B_STEP): New.
365 (other MASK_XXX macros): Renumbered.
366 (TARGET_B_STEP): New.
367 (TARGET_SWITCHES): Add -mb-step.
369 2000-11-15 Fred Fish <fnf@be.com>
371 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
372 machines for which fixincludes is not needed.
373 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
375 2000-11-15 Jason Merrill <jason@redhat.com>
377 * diagnostic.c (finish_abort): New fn.
378 (fancy_abort, error_recursion): Use it.
379 * toplev.c (crash_signal): Likewise.
380 * diagnostic.h: Declare it.
382 2000-11-13 Andrew Haley <aph@redhat.com>
384 * tree.c (build_type_no_quals): New function.
385 * tree.h (build_type_no_quals): Declare.
386 * c-common.c (c_get_alias_set): When considering type
387 compatibility for pointer types, ignore cv-qualifiers anywhere in
390 2000-11-15 Graham Stott <grahams@redhat.com>
392 * regrename.c (scan_rtx_rtx): Skip to the next chain on
393 encountering a terminated chain.
395 2000-11-14 Mark Mitchell <mark@codesourcery.com>
397 * configure.in: Move check for V3 above check for C++ header-file
399 * configure: Regenerated.
401 2000-11-14 DJ Delorie <dj@redhat.com>
403 * config/v850/v850.c: Remove obstacks.
405 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
407 * config/avr/avr.c (avr_case_values_threshold): New.
408 (avr_override_options): Set it depending on options, make it large
409 when not optimizing to work around "unable to generate reloads".
411 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
412 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
413 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
414 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
415 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
416 (avr_case_values_threshold): Declare as extern int.
417 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
419 * config/avr/avr.md (tablejump): Removed.
420 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
421 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
422 index in the table, not multiplied by 2.
423 (casesi): Change to match the above insns. Always enable.
425 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
426 Change to expect the word address of the table, multiply it by 2
427 here and not in the caller. Change "adiw" to faster "inc".
429 2000-11-14 Neil Booth <neilb@earthling.net>
431 * cppexp.c (parse_defined): Call cpp_get_token not
434 * cpplex.c (cpp_output_line): Similarly.
435 * cpplib.c (glue_header_name, do_line, do_ident,
436 parse_answer, parse_assertion): Similarly.
437 (_cpp_handle_diretive): Don't save to lookaheads
438 when processing directives.
439 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
441 (funlike_invocation_p): Don't save to lookaheads
442 when pre-expanding arguments.
443 (_cpp_get_token): Delete.
444 (cpp_get_token): Merge contents of _cpp_get_token.
446 2000-11-14 Jakub Jelinek <jakub@redhat.com>
448 * builtins.c (expand_builtin_setjmp): Set
449 current_function_calls_setjmp.
450 (expand_builtin_longjmp): Set current_function_calls_longjmp.
452 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
453 (do_builtin_setjmp_setup): New insn.
455 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
457 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
458 (int_fits_type_p): For variable bounds, call force_fit_type.
460 2000-11-14 Jakub Jelinek <jakub@redhat.com>
462 * varasm.c (struct deferred_string): New structure.
463 (const_str_htab): New variable.
464 (STRHASH): New macro.
465 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
466 constr_str_htab_eq, const_str_htab_del): New functions.
467 (output_constant_def): Add DEFER argument, defer string
468 constants until mark_constant_pool time if requested.
469 (mark_constant_pool): Walk the insn chain even if const_str_htab is
471 (mark_constants): If a SYMBOL_REF for deferred string is found,
472 output it and remove from hash table.
473 (output_addressed_constants): Set DEFER to 0 in call to
475 * rtl.h (STRING_POOL_ADDRESS_P): Define.
476 (output_constant_def): Adjust prototype.
477 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
479 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
481 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
482 signed types if flag_trapv.
484 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
486 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
489 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
491 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
493 2000-11-14 Jakub Jelinek <jakub@redhat.com>
495 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
496 to array of pool_constnat pointers.
497 (struct pool_constant): Add next_sym and label members.
498 (struct pool_sym): Remove.
499 (init_varasm_status): Change pool_sym into pool_constant.
500 (mark_pool_constant): Mark pc->label string as well.
501 (mark_pool_sym_hash_table): Remove.
502 (mark_varasm_status): Remove it from caller as well.
503 (free_varasm_status): Don't free pool_sym structures.
504 (force_const_mem): Don't allocate pool_sym structure, instead
505 fill pool->label and chain it into rtx_sym hash table.
506 (find_pool_constant, mark_constant_pool): Use pool_constant instead
509 2000-11-14 Jakub Jelinek <jakub@redhat.com>
511 * reload1.c (emit_input_reload_insns): Honour forcing of constants
512 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
514 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
516 * dominance.c: New file.
517 * Makefile.in (OBJS): Add dominance.o.
519 * flow.c (compute_flow_dominators): Remove.
520 (compute_immediate_dominators): Remove.
521 (compute_immediate_postdominators): Remove.
522 * basic-block.h: Remove their prototypes.
523 (calculate_dominance_info): Add prototype.
525 * dce.c (eliminate_dead_code): Change calls to above functions.
526 Don't compute dominators but only immediate dominators.
527 * flow.c (flow_loops_find): Change callers.
528 * gcse.c (compute_code_hoist_data): Likewise.
529 * haifa-sched.c (schedule_insns): Likewise.
530 * ifcvt.c (if_convert): Likewise.
531 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
534 2000-11-14 Richard Henderson <rth@redhat.com>
536 * stmt.c (warn_if_unused_value): Don't warn if the expression
539 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
540 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
542 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
544 * loop.c (basic_induction_var): Revert accidental checkin.
546 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
548 * c-lex.c (cb_leave_file): Harmonize conditions and order of
549 statements to those of process_directive for (action == act_pop).
551 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
553 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
556 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
558 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
561 2000-11-13 Neil Booth <neilb@earthling.net>
563 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
564 cases return without MI check.
565 * cpplib.c (do_diagnostic): Take boolean of whether to
566 print the directive name.
567 (do_error, do_warning): Update.
568 (do_pragma_dependency): Use it.
569 * cpplib.h (VARARGS_FIRST): Delete.
570 (struct cpp_token): Delete integer.
571 * cppmacro.c (enter_macro_context): Move disabled check
573 (_cpp_get_token): Simplify into a single loop.
575 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
577 * configure.in: Use 'test -f' not '[ -e'.
578 * configure: Regenerated.
580 2000-11-13 DJ Delorie <dj@redhat.com>
582 * config/mn10300/mn10300.md (store_movm): Note which registers are
583 really used or clobbered.
585 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
587 * c-parse.in (ends_in_label): Remove from %union and %type.
588 (decls, stmts, lineno_stmt_or_labels, xstmts,
589 lineno_stmt_or_label, stmt_or_label): Remove.
590 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
591 lineno_stmt_decl_or_labels_ending_decl,
592 lineno_stmt_decl_or_labels_ending_label,
593 lineno_stmt_decl_or_labels_ending_error,
594 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
595 lineno_stmt, lineno_label): New.
596 (compstmt_nostart): Use compstmt_contents_nonempty.
598 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
600 * c-common.c (boolean_increment): New function.
601 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
602 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
603 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
604 (boolean_increment): Declare.
605 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
606 * c-decl.c (init_decl_processing): Create boolean nodes.
607 (finish_struct): Allow for _Bool bitfields.
608 * c-parse.in (reswords): Add _Bool.
609 (rid_to_yy): Allow for RID_BOOL.
610 * c-typeck.c (default_conversion): Make booleans promote to int.
611 (convert_arguments, build_unary_op, build_modify_expr,
612 convert_for_assignment): Allow for booleans.
613 * ginclude/stdbool.h: Make conforming to C99.
615 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
617 * c-parse.in (c99_block_start, c99_block_end,
618 c99_block_lineno_labeled_stmt): New.
619 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
620 (stmt): Split off selection and iteration statements into...
621 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
623 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
625 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
628 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
630 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
631 Rewrite to avoid use of match_dup. Don't try to tie registers that
632 are not in the same mode.
634 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
636 * invoke.texi: Update lists of languages and suffixes supported.
638 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
640 * configure.in: Take toplevel configure arguments from the
641 environment to create configargs.h and substitute
642 gcc_config_arguments, taking account of any existing configargs.h
644 * configure: Regenerate.
645 * gccbug.in: Include toplevel configure arguments in gccbug.
647 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
649 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
650 union to make it well-aligned. Update all uses.
652 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
654 * c-parse.in (initelt): Give appropriate pedantic warnings,
655 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
657 (designator): If pedantic, pedwarn for a designator specifying a
659 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
661 * extend.texi: Document the C99 syntax as the preferred syntax,
662 and the pre-2.5 syntax as obsolete. Mention use of designator
663 lists for nested subobjects.
665 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
667 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
668 Add ATTRIBUTE_PRINTF.
669 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
670 Add ATTRIBUTE_PRINTF*.
672 2000-11-12 Mark Mitchell <mark@codesourcery.com>
674 * function.c (assign_parms): When calling put_var_into_stack, make
675 sure that there are no hidden pending sequences.
677 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
679 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
680 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
683 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
685 * c-common.c (c_common_nodes_and_builtins): Declare index and
686 rindex when nonansi builtins are allowed.
688 * extend.texi (index, rindex): Document new builtins.
690 2000-11-12 Mark Mitchell <mark@codesourcery.com>
692 * configure.in: Turn on libstdc++ V3 by default.
693 * configure: Regenerated.
695 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
697 2000-11-12 Jakub Jelinek <jakub@redhat.com>
699 * reload1.c (set_label_offsets): Go inside of PARALLELs.
701 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
703 * invoke.texi: Clean up option summary.
705 2000-11-12 Nick Clifton <nickc@redhat.com>
707 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
710 2000-11-12 Marc Espie <espie@openbsd.org>
712 * configure.in: Fix filds test.
715 2000-11-12 Mark Mitchell <mark@codesourcery.com>
717 * jump.c (delete_computation): Don't assume that just becuase an
718 instruction sets a register, that register is dead.
720 2000-11-12 Neil Booth <neilb@earthling.net>
722 * cppexp.c: Don't worry about pfile->skipping.
723 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
724 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
725 for handled directives.
726 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
727 and releasing lookaheads.
728 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
729 (do_else, do_elif, push_conditional): Update logic.
730 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
731 (unwind_if_stack): Inline into cpp_pop_buffer.
732 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
733 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
734 multiple-include optimisation.
735 * cpplib.h (struct cpp_buffer): New member was_skipping.
736 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
737 works because skipping == 0 in directives.
738 (_cpp_release_lookahead): Renamed from release_lookahead.
739 (cpp_get_token): No need to check skipping as _cpp_get_token does
740 this for us. No need to handle MI optimisation.
742 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
744 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
745 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
746 * fixinc/fixincl.x: Regenerated.
748 2000-11-11 Bruce Korb <bkorb@gnu.org>
750 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
751 (avoid_wchar_t_type): ditto
752 * fixinc/fixinc.irix: obsoleted
754 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
756 * configure.in: Don't add $outputs to all_lang_makefiles. Add
757 $srcdir/$s/Makefile.in if it exists.
758 * configure: Regenerate.
760 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
762 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
764 2000-11-11 Jason Merrill <jason@redhat.com>
766 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
767 give the parm a register and then call put_var_into_stack.
768 * stmt.c (expand_decl): Likewise.
770 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
772 * gcc.texi: Adjust wording.
774 2000-11-11 Mark Mitchell <mark@codesourcery.com>
776 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
777 * fininc/fixincl.x: Regenerated.
779 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
781 * invoke.texi: Correct spelling of -foptimize-register-move.
783 2000-11-11 Neil Booth <neilb@earthling.net>
785 Remove CPP_PLACEMARKERs.
787 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
788 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
789 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
791 * cpplib.h: Remove CPP_PLACEMARKER.
792 (struct lexer_state): Rename skip_newlines to next_bol.
793 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
794 Simplify prev_white handling as a result.
795 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
796 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
797 (parse_args): Similarly. Update argument count tests.
798 (enter_macro_context): Return 2 to indicate an empty macro.
799 (replace_args): Don't bother pre-expanding an empty argument.
800 Handle placemarkers and ## extension during pre-expansion.
801 (cpp_get_token): Handle empty macro expansions. Don't worry
802 about CPP_PLACEMARKERs.
803 (_cpp_create_definition): Empty macros are now empty.
804 (cpp_macro_defintion): Don't special case empty macros.
805 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
806 * c-lex.c: Similarly.
808 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
810 * gcc.texi, invoke.texi: Add new section discussing language
811 standards; link to it where appropriate; refer to ISO C instead of
814 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
816 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
819 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
822 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
824 * gcc.texi, gcov.texi: Update dates and version numbers.
826 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
828 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
829 flex and bison, specifically, first in a unified build and
830 then installed on the system.
831 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
832 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
835 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
836 cppdefault.o): Remove pointless sed munging of source file
839 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
841 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
842 for address reloads. Push replacements for REG_INC notes.
843 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
845 * reload1.c (choose_reload_regs): Registers set in the insn can't be
846 used for RELOAD_OTHER reloads.
848 2000-11-10 Mark Mitchell <mark@codesourcery.com>
850 * c-dump.h: New file.
852 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
854 * alpha.c (check_float_value): Use memcpy, not bcopy.
855 * arm.c (output_move_double): Likewise.
857 * m88k.c (legitimize_operand): Likewise.
858 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
860 * mips.c (override_options): Likewise.
862 * romp.c (output_fpops): Likewise.
863 * rs6000.c (rs6000_override_options): Likewise.
865 * vax.c (check_float_value): Likewise.
867 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
868 * expmed.c (synth_mult): Likewise.
869 * final.c (add_bb_string): Likewise.
870 * genattr.c (main): Likewise.
871 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
873 * jump.c (thread_jumps): Likewise.
874 * prefix.c (save_string): Likewise.
875 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
876 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
877 * reload1.c (reload, eliminate_regs): Likewise.
879 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
881 * gcc.texi (Service): Update to reflect current practice and
882 location of the GNU service directory.
884 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
886 * regrename.c (build_def_use): Mark contents of REG_INC notes as
889 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
890 a no-op move if regs are equal.
891 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
892 when calling jump after post-reload splitting.
894 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
896 * c-tree.texi: Fix typos.
897 * extend.texi: Likewise
898 * gcov.texi: Likewise
902 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
904 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
905 in_system_header and flags[1] before dereferencing flags[2].
907 2000-11-09 Matthew Hiller <hiller@redhat.com>
909 * reload1.c (reload_combine): Fixed calculation of
910 first_index_reg, last_index_reg.
912 2000-11-09 Mark Mitchell <mark@codesourcery.com>
914 * c-dump.c (dequeue_and_dump): Dump function bodies.
916 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
917 (c-dump.o): New target.
918 * c-common.h (flag_dump_translation_unit): New variable.
919 (C_TYPE_QUALS): New macro.
920 (strip_array_types): New function.
921 (DECL_C_BIT_FIELD): New macro.
922 (SET_DECL_C_BIT_FIELD): Likewise.
923 (CLEAR_DECL_C_BIT_FIELD): Likewise.
924 (dump_info_p): New typedef.
925 (dump_tree_fn): Likewise.
926 (lang_dump_tree): New variable.
927 (dump_node_to_file): New function.
928 * c-common.c (flag_dump_translation_unit): Define it.
929 (strip_array_types): New function.
930 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
931 * c-lang.c (finish_file): Call dump_node_to_file if
932 flag_dump_translation_unit.
933 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
934 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
935 * c-dump.c: New file.
937 2000-11-09 Christopher Faylor <cgf@cygnus.com>
939 * config/i386/cygwin.h: Add mingw startfile prefix.
941 2000-11-09 Richard Henderson <rth@redhat.com>
943 * flow.c (invalidate_mems_from_set): Split out from ...
944 (mark_set_1): ... here.
945 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
946 instead of turning insn into a NOTE_INSN_DELETED.
948 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
950 * extend.texi, invoke.texi: Move documentation of builtin versions
951 of C library functions to one place and update.
953 2000-11-09 Richard Henderson <rth@redhat.com>
955 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
956 the types themselves to discover type equivalence.
958 2000-11-09 Mike Stump <mrs@wrs.com>
960 * Makefile.in (distclean): Remove a few extra leftovers.
962 2000-11-09 Richard Henderson <rth@redhat.com>
964 * recog.c (validate_replace_rtx_1): Consider subregs when
965 replacing a register with a constant inside a sign/zero_extend.
967 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
969 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
971 * c-decl.c (finish_struct): When a structure is completed,
972 check all its variant types for completeness.
974 2000-11-09 Neil Booth <neilb@earthling.net>
976 * cpphash.c: Move cpp_defined here from cpplib.c.
977 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
978 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
979 * cppmacro.c (cpp_get_token): Update comments, no need now
980 to catch the CPP_EOF meaning EOL case.
982 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
984 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
985 is more than that provided, copy to a temporary.
987 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
989 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
990 interpreting $out as a macro assignment.
991 * Makefile.in (T_TARGET): New auxiliary macro and target.
992 (all): Add a target right in the beginning, so that we don't build
995 2000-11-09 Graham Stott <grahams@redhat.com>
997 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
998 order for -mintel-syntax. Remove comment now that the operand
999 order has been checked.
1000 (mmx_pextrw): Likewise.
1001 (mmx_pshufw): Likewise.
1003 2000-11-09 Jakub Jelinek <jakub@redhat.com>
1005 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
1006 (c_getstr): New function.
1007 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
1008 If both arguments are constant string, optimize out.
1009 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
1010 (expand_builtin_strpbrk): Use c_getstr, do nothing if
1011 -fcheck-memory-usage.
1012 (expand_builtin_fputs): Likewise.
1013 (expand_builtin_strcmp): Add MODE argument.
1014 Use even if !HAVE_cmpstrsi.
1015 Optimize the case when both arguments are constant strings.
1016 (expand_builtin): Adjust expand_builtin_strcmp caller.
1017 Call expand_builtin_strchr and expand_builtin_strrchr.
1018 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
1020 * builtins.def (BUILT_IN_STRRCHR): Add.
1022 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1024 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
1026 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
1028 * calls.c (expand_call, emit_library_call_value_1), collect2.c
1029 (scan_prog_file), config/a29k/a29k.c (print_operand),
1030 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
1031 instead of bcopy ().
1032 * real.h: Use memcmp () instead of bcmp ().
1033 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
1034 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
1035 ultrasparc_sched_init, ultrasparc_sched_reorder),
1036 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
1037 instead of bzero ().
1038 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
1039 instead of rindex ().
1040 * configure.in: Don't check for bzero, bcmp, index or rindex.
1041 * configure, config.in: Regenerate.
1042 * system.h: Don't include declarations for bzero, bcmp, index or
1044 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
1045 bzero, bcmp, index or rindex.
1047 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
1049 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
1050 include and library paths from -mcygwin case. Parameterize some
1051 declarations to avoid warnings. Use standard locations for include and
1054 2000-11-08 Nick Clifton <nickc@redhat.com>
1056 * config/arm/arm.md (mulsidi3adddi): Change output operand
1057 constraint from "=&" to "+&".
1058 (umulsidi3adddi): Change output operand constraint from "=&" to
1061 2000-11-08 Richard Henderson <rth@redhat.com>
1063 * flow.c (init_propagate_block_info): Protect the rtx stored in
1064 mem_set_list from modification by find_auto_inc.
1065 (mark_set_1): Likewise.
1067 2000-11-08 Neil Booth <neilb@earthling.net>
1069 Move directive handling into the lexer itself.
1071 * cpplex.c (_cpp_lex_token): Handle directives directly.
1072 In the case of a directive interrupting a function-like
1073 macro invocation, use extra_char since read_ahead is
1074 used to store the '#'. Return a CPP_EOF in this case.
1075 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
1076 (cpp_get_token): Don't handle directives here.
1077 * cpplib.h: Remove CPP_DHASH token type.
1079 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
1081 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
1082 formed using PRE_MODIFY too.
1084 2000-11-08 Mark Mitchell <mark@codesourcery.com>
1086 * c-tree.texi (VAR_DECL): Describe representation of GCC's
1087 extension for placing variables in particular registers.
1089 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
1090 unprototyped C functions with no parameters.
1092 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1094 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
1095 before passing to fprintf.
1097 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1099 * function.c (expand_function_start): Cast GET_MODE_SIZE to
1100 HOST_WIDE_INT before negating it.
1102 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1104 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
1105 passed in multiple non-contiguous locations.
1107 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1109 * README.gnat: Remove file.
1111 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
1113 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
1116 2000-11-07 Richard Henderson <rth@redhat.com>
1118 * dwarfout.c (INSN_LABEL_FMT): Remove.
1119 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1120 (dwarfout_label): Remove.
1121 * dwarfout.h: Remove it's prototype.
1122 * dwarf2out.c (INSN_LABEL_FMT): Remove.
1123 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1124 (dwarf2out_label): Remove.
1125 * dwarf2out.h: Remove it's prototype.
1126 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
1128 2000-11-07 Richard Henderson <rth@redhat.com>
1130 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
1131 search on the unwind region section.
1133 * config/ia64/ia64.md (movbi): Add r/r alternative.
1134 (cmovdi_internal_astep): Describe all combinations of register
1135 classes for sources & destinations; remove matching constraints.
1136 (cmovdi_internal): Likewise.
1138 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
1140 2000-11-07 Richard Henderson <rth@redhat.com>
1142 * c-lang.c (start_cdtor, finish_cdtor): New functions.
1143 (finish_file): Use them in building constructor/destructor functions.
1145 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
1146 LD_FINI_SWITCH): Move ...
1147 * config/alpha/osf.h: ... here.
1148 * config/alpha/alpha-interix.h: Don't undef them.
1150 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
1152 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
1153 included in libgcc.a.
1155 (dp-bit.c): Likewise.
1156 (fp-bit.c): Likewise.
1158 2000-11-07 Nick Clifton <nickc@redhat.com>
1160 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
1161 (INTERNAL_ASM_OP): Add missing tab.
1163 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1165 * alias.c (init_alias_analysis), calls.c (expand_call,
1166 emit_library_call_value_1), combine.c (init_reg_last_arrays),
1167 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
1168 (init_output_buffer, set_diagnostic_context), dwarf2out.c
1169 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
1170 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
1171 function.c (assign_parms), gcse.c (compute_can_copy,
1172 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
1173 compute_hash_table, compute_set_hash_table,
1174 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
1175 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
1176 clear_units, schedule_block), integrate.c (initialize_for_inline,
1177 expand_inline_function), jump.c (thread_jumps), local-alloc.c
1178 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
1179 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
1180 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
1181 record_reg_classes, allocate_reg_info), reload.c
1182 (get_secondary_mem, remove_address_replacements, find_reloads),
1183 reload1.c (reload, set_initial_label_offsets, finish_spills,
1184 reload_as_needed, choose_reload_regs_init,
1185 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
1186 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
1187 (rename_registers), stmt.c (expand_end_case), unroll.c
1188 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
1189 () instead of bzero ().
1191 2000-11-07 Neil Booth <neilb@earthling.net>
1193 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
1195 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1197 * c-common.c (combine_strings): Only warn about long strings for C.
1199 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
1201 * combine.c (distribute_notes): Fix typo in last change.
1203 2000-11-07 Geoff Keating <geoffk@redhat.com>
1205 * config/rs6000/rs6000.md (movdi_internal32+1): Use
1206 operand_subreg_force rather than gen_rtx_SUBREG.
1207 (movdi_internal32+2): Likewise.
1209 2000-11-07 Philip Blundell <philb@gnu.org>
1211 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
1212 * config/arm/linux-aout.h: Likewise.
1213 * configure: Regenerate.
1215 2000-11-07 Philipp Thomas <pthomas@suse.de>
1217 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
1218 accepted my the gettext maintainer.
1220 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1222 * builtins.c (expand_builtin_strpbrk): New function.
1223 (expand_builtin): Handle BUILT_IN_STRPBRK.
1225 * builtins.def (BUILT_IN_STRPBRK): New entry.
1227 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1230 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
1232 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
1233 * POTFILES.in: Add config/alpha/freebsd.h
1234 * configure.in: Add alpha*-freebsd support.
1235 * configure: Regenerate.
1237 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1239 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
1240 copy of ptr_type_node rather than ptr_type_node itself.
1242 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
1244 * combine.c (recog_for_combine): Allocate uninitialized vector with
1246 * recog.c (apply_change_group): Likewise.
1248 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
1250 * flow.c (verify_local_live_at_start): Back out last change.
1251 * combine.c (distribute_notes): When parts of a hard reg are
1252 neither set nor referenced in PLACE, search backwards for a
1253 place to put a REG_UNUSED note; if none found, ask for flow
1256 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
1258 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
1259 with (clobber (match_scratch...)).
1261 2000-11-06 Neil Booth <neilb@earthling.net>
1263 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
1266 2000-11-06 Neil Booth <neilb@earthling.net>
1268 * tradcpp.c (special_symbol): Assign an null string rather
1269 than writing to an unallocated buffer.
1271 2000-11-06 Neil Booth <neilb@earthling.net>
1273 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
1276 2000-11-06 Neil Booth <neilb@earthling.net>
1278 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
1279 tok.val.arg_no as appropriate.
1280 * cppexp.c (lex): Similarly.
1281 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
1282 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
1283 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
1284 cpp_macro_definition): Similarly.
1285 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
1287 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1289 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
1290 operands[1] is constant, calculate the sum and generate movdi.
1291 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
1292 (subsi3): Use SImode in call to arith_4096_operand.
1294 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1296 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
1297 adjust %o1, not %o0 if the return type is large structure.
1299 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1301 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
1302 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
1304 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
1306 * expmed.c (expand_divmod): For signed divide by 2, prefer
1307 a branch and fewer shifts if branches are very cheap.
1309 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
1311 * Makefile.in: Remove all targets related to building
1312 distributions and diffs, or INSTALL.
1313 * INSTALL, install1.texi: Remove.
1314 * configure.in: Remove mention of distdir.
1315 * configure: Regenerate.
1316 * objc/Make-lang.in: Remove mention of distdir.
1318 2000-11-04 Neil Booth <neilb@earthling.net>
1320 * cpp.texi: Update for _Pragma.
1322 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
1324 * gcc.texi (Contributing): Update URL for projects web page.
1326 2000-11-04 Neil Booth <neilb@earthling.net>
1328 * cpplex.c (parse_string): Don't allow multiline strings in
1329 #include family directives.
1331 2000-11-04 Neil Booth <neilb@earthling.net>
1333 * cpplib.c (do_line): Only warn pedantically if not reading
1336 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
1338 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
1341 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
1343 * builtins.c (expand_builtin_strlen): Remove unused mode
1345 * gcc.c (process_command): Remove unused variable.
1346 * fold-const.c: Include expr.h.
1347 * recog.c: Include reload.h.
1348 * Makefile.in (recog.o, fold-const.o): Update deps.
1350 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
1352 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
1354 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
1356 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
1358 (STARTFILE_SPEC): Likewise.
1359 (LINK_SPEC): Likewise.
1361 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1363 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
1364 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
1365 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
1367 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
1369 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
1370 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
1371 perm_calloc, get_identifier, maybe_get_identifier,
1372 real_value_from_int_cst, simple_cst_equal), varasm.c
1373 (assemble_name, assemble_real, immed_real_const_1,
1374 compare_constant_1, decode_rtx_const, output_constant_pool): Use
1375 strrchr () instead of rindex (). Use memcmp () instead of bcmp
1376 (). Use memcpy () instead of bcopy (). Use memset () instead of
1379 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
1381 * cppfiles.c (open_file): If already read, then don't reopen.
1382 Immediately close an empty file.
1384 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1386 * expr.h (fold_builtin): Move declaration...
1387 * tree.h (fold_builtin): ... here.
1389 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
1391 * flow.c (verify_local_live_at_start): Allow hard regs to die.
1393 2000-11-02 Neil Booth <neilb@earthling.net>
1396 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
1397 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
1398 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
1399 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
1400 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
1401 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
1402 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
1403 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
1404 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
1405 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
1406 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
1407 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
1408 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
1409 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
1410 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1411 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
1412 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
1413 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
1414 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
1415 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
1416 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
1417 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
1418 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
1419 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
1420 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
1421 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
1422 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
1423 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
1424 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
1425 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
1426 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
1427 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
1428 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
1429 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
1430 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
1431 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
1432 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
1433 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
1434 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
1435 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
1436 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
1437 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
1438 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
1439 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
1440 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
1441 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
1442 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
1443 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
1444 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
1445 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
1446 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
1447 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
1448 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
1449 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
1450 vax/vaxv.h, vax/vms.h, we32k/we32k.h
1452 Replace -A() with -A=, the new assertion syntax.
1454 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
1456 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
1458 In REG_DEAD handling: When handling parts of multi-hard-reg hard
1459 registers, increment the loop counter by the size of the parts;
1460 use recursion to handle individual parts.
1462 2000-11-02 Neil Booth <neilb@earthling.net>
1464 * configure.in: Make integrated CPP the default.
1465 * configure: Regenerate.
1467 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
1469 * reload.c (find_equiv_reg): Test all hard registers for membership
1470 in the requested class.
1472 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1474 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
1475 process_command, main), gcov.c (open_files, output_data), tlink.c
1476 (frob_extension, scan_linker_output), toplev.c
1477 (file_name_nondirectory): Use strchr () and strrchr () instead of
1478 index () and rindex ().
1480 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1482 * c-common.c (get_flag_spec, check_format_info_main,
1483 check_format_types): Use strchr () instead of index (). Compare
1484 against error_mark_node instead of comparing the TREE_CODE against
1487 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
1491 * c-lex.c (init_c_lex): Update cpp_start_read call.
1492 (cb_ident): Update for new callback prototype.
1493 (cb_def_pragma): Update for new cpp_get_token prototype.
1494 (c_lex): Similarly. Use cpp_get_line.
1496 * c-parse.in (finish_parse): Update for new cpp_finish
1499 * cp/lex.c (finish_parse): Similarly.
1501 2000-11-01 Geoff Keating <geoffk@cygnus.com>
1503 * machmode.def: Add V16QImode.
1505 2000-11-01 Richard Henderson <rth@redhat.com>
1507 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
1508 from rtl_for_decl_location.
1509 (add_location_or_const_value_attribute): Likewise.
1511 2000-11-01 Neil Booth <neilb@earthling.net>
1513 * cpplib.c (run_directive): Use correct line number for output
1514 of _Pragma. Remember any in-progress directive.
1516 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
1518 2000-11-01 Richard Henderson <rth@redhat.com>
1520 * stmt.c (expand_start_null_loop): Set continue_label.
1522 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1524 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
1525 (expand_builtin_constant_p): Move parts of the code into
1526 fold_builtin_constant_p.
1527 (expand_builtin_strlen): Move parts of the code into fold_builtin.
1528 * expr.h (fold_builtin): Declare.
1529 * fold-const.c (fold): Handle builtin calls.
1531 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
1533 2000-11-01 Richard Henderson <rth@redhat.com>
1535 * stmt.c (expand_start_null_loop): New.
1536 (expand_end_null_loop): New.
1537 * c-semantics.c (genrtl_do_stmt): Use them.
1538 * tree.h: Declare them.
1540 2000-11-01 Richard Henderson <rth@redhat.com>
1542 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
1544 2000-11-01 Neil Booth <neilb@earthling.net>
1546 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
1547 * cp/spew.c: Similarly.
1548 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
1549 * cppmacro.c (stringify_arg): Similarly.
1550 * cpplib.h (CPP_BACKSLASH): Delete.
1552 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1554 * builtins.c (expand_builtin_strstr): New function.
1555 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
1557 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
1559 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
1562 2000-10-31 Richard Henderson <rth@redhat.com>
1564 * config/i386/i386.c (fcmov_comparison_operator): Check for
1565 CCFPmode or CCFPUmode instead of CCmode.
1566 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
1567 unordered operations as well.
1569 2000-10-31 Richard Henderson <rth@redhat.com>
1571 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
1572 of integer_zero_node.
1574 2000-10-31 Richard Henderson <rth@redhat.com>
1576 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
1578 2000-10-31 Nick Clifton <nickc@redhat.com>
1580 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
1581 -fdata-sections to override the section attribute of a DECL.
1583 2000-10-31 Chris Demetriou <cgd@sibyte.com>
1585 * libgcc2.c (__shtab): Remove __shtab variable.
1586 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
1587 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
1590 2000-10-31 Jim Wilson <wilson@redhat.com>
1592 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
1593 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
1594 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
1595 instead of ASM_OUTPUT_INTERNAL_LABEL.
1596 (dwarf2out_end_block, dwarf2out_label): Likewise.
1597 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
1598 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
1600 2000-10-31 Richard Henderson <rth@redhat.com>
1602 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
1603 (size_of_locs): Set it.
1604 (output_loc_operands): Use it to compute branch displacement.
1605 (int_loc_descriptor): New.
1606 (mem_loc_descriptor): Dereference memory in the proper size.
1607 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
1608 (loc_descriptor_from_tree): New.
1609 (rtl_for_decl_location): Break out from ...
1610 (add_location_or_const_value_attribute): ... here.
1611 (add_bound_info): Use loc_descriptor_from_tree.
1613 2000-10-31 Neil Booth <neilb@earthling.net>
1615 * cpp.texi: Update for new command line assertion syntax.
1616 * cpplib.c (cpp_define): Simplify a bit.
1617 (cpp_assert, cpp_unassert): Use handle_assertion.
1618 (handle_assertion): New function; accept new command line
1620 * testsuite/gcc.dg/cpp/assert3.c: New tests.
1622 2000-10-31 Neil Booth <neilb@earthling.net>
1624 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
1625 undefined. Remove #ifdef check.
1626 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
1627 Define STDC_0_IN_SYSTEM_HEADERS to 1.
1629 2000-10-31 Jan Hubicka <jh@suse.cz>
1630 Jakub Jelinek <jakub@redhat.com>
1632 * config/i386/i386.h: Clarify CCNOmode description in comment.
1633 (EXTRA_CC_MODES): Remove CCRCmode.
1634 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
1635 (put_condition_code, ix86_match_ccmode): Likewise.
1636 (ix86_cc_mode): Likewise. Fix comment.
1637 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
1638 * config/i386/i386.md: Add unspec 12 description.
1639 (adddi3 split): Use unspec 12 instead of CCRCmode.
1640 (addsi3_carry_rc): Remove.
1641 (addsi3_cc, addqi3_cc): New patterns.
1642 (addsi_3): Swap operands, match CCZmode.
1643 (addsi_4): Rewritten.
1644 (addsi_5): Renamed from addsi_6.
1646 (addhi_3): Swap operands, match CCZmode.
1647 (addhi_4): Rewritten.
1648 (addhi_5): Renamed from addhi_6.
1650 (addqi_3): Swap operands, match CCZmode.
1651 (addqi_4): Rewritten.
1652 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
1653 (subsi3_carry_rc): Removed.
1654 (iorqi_3): Use =q constraint for clobber.
1655 (xorqi_cc_2): Likewise.
1656 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
1657 (x86_movsicc_0_m1_rc): Removed.
1658 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
1660 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
1662 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
1663 and decrement of complex types.
1665 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1667 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
1668 builtin fputs, ensure we still evaluate the stream in case it
1671 2000-10-31 Jakub Jelinek <jakub@redhat.com>
1673 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
1676 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
1678 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
1679 (fp_extended_operand, emit_fpscr_use): Likewise.
1680 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
1681 (fpul_operand): New function.
1682 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
1683 fp_extended_operand. Add fpul_operand.
1684 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
1685 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
1686 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
1687 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
1688 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
1689 (divdf3_i): Likewise.
1690 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
1691 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
1692 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
1693 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
1694 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
1696 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
1698 * config/i386/i386.c (ix86_init_builtins): Correct return type
1699 building v4hi_ftype_v4hi_int_int tree node.
1700 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
1701 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
1703 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
1705 (mmx__uavgv8qi3): Correct insn mnemonic.
1706 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
1707 (mmx_punpckhwd): Correct insn mnemonic.
1708 (mmx_punpckhdq): Likewise.
1709 (mmx_punpcklwd): Likewise.
1710 (mmx_punpckldq): Likewise.
1711 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
1712 Renumber case labels to match the _mm_prefetch constants defined in
1715 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
1716 if the splitter didn't emit new insns.
1717 Make sure we call cleanup_subreg_operands even when splitting the last
1718 insn in a basic block.
1720 * invoke.texi (Debugging Options): Describe -do.
1721 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
1722 (dump_file): Likewise.
1723 (rest_of_compilation): Split .greg dump into .greg and .postreload.
1725 2000-10-30 Neil Booth <neilb@earthling.net>
1727 * cppfiles.c (stack_include_file): Check for stacked contexts
1729 * cpphash.h (_cpp_do__Pragma): New prototype.
1730 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
1732 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
1733 escaped newlines if !(buffer->from_stage3).
1734 (_cpp_lex_token): Warn about missing newlines iff
1735 !buffer->from_stage3.
1737 * cpplib.c (get__Pragma_string, destringize,
1738 _cpp_do__Pragma): New functions.
1739 (run_directive): Set output_line for _Pragma to avoid line
1740 markers in output. Set from_stage3 and prevent macro expansion
1741 for _Pragma and command-line options. Check buffer exhaustion.
1742 (cpp_push_buffer): Don't check for stacked macro contexts, as
1743 this is perfectly legitimate for _Pragma. Move the check to
1744 stack_include_file instead. Set from_stage3 iff buffer is
1747 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
1748 unsigned. New boolean from_stage3.
1749 (struct spec_nodes): Add n__Pragma.
1751 * cppmacro.c (enter_macro_context): Flip sense of return value.
1752 (_cpp_get_token): Handle _Pragma operator.
1754 2000-10-30 Phil Edwards <pme@sources.redhat.com>
1756 * gcc.texi: The C++ standard isn't "draft" anymore.
1758 2000-10-30 Mark Mitchell <mark@codesourcery.com>
1760 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
1762 2000-10-29 Neil Booth <neilb@earthling.net>
1764 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
1766 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
1768 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
1769 fixinc/inclhack.def: Change comments mentioning C9X to refer to
1772 * invoke.texi: Document that -V will only work for very similar
1773 versions of driver and compiler.
1775 2000-10-29 Neil Booth <neilb@earthling.net>
1777 * cppmacro.c (_cpp_create_definition): Optimize the case of
1778 a macro defined to itself.
1780 2000-10-29 Neil Booth <neilb@earthling.net>
1782 * cpplex.c (save_comment): Don't store new lines in C++ comments.
1784 2000-10-29 Michael Hayes <mhayes@redhat.com>
1786 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
1788 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
1790 * cpphash.c (cpp_forall_identifiers): Add context variable
1791 for callback routine.
1792 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
1794 (main): Call cpp_forall_identifiers with null context.
1795 * cpplib.h (cpp_forall_identifiers): Update prototype.
1797 * cppmain.c: Make `parse_in' and `print' static.
1799 2000-10-28 Alan Modra <alan@linuxcare.com.au>
1801 * c-decl.c (finish_function): Clear c_function_name_declared_p.
1803 2000-10-28 Richard Henderson <rth@redhat.com>
1805 * regrename.c (scan_rtx_address): Frob action, not class,
1806 when trying to disable optimization.
1808 2000-10-28 Mark Mitchell <mark@codesourcery.com>
1810 * c-semantics.c (make_rtl_for_local_static): Don't clobber
1811 DECL_ASSEMBLER_NAME.
1813 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
1815 * configure.in: Determine and substitute gcc_version_full.
1816 * configure: Regenerate.
1817 * gccbug.in: Use it to give full version. Don't allow
1820 2000-10-28 Richard Henderson <rth@redhat.com>
1822 * recog.c (split_all_insns): Run cleanup_subreg_operands
1825 * regrename.c (regrename_optimize): Verify that all registers of
1826 a multiple register mode are available.
1827 (scan_rtx_address): Accept the mode of the address; all callers
1830 * cpplib.c (run_directive): Fix prototype.
1832 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
1834 * reload.c (find_reloads): Distinguish "wins" so that we know whether
1835 a given operand won because of a matching constraint or not; then use
1836 that information to compute goal_alternative_matched properly.
1837 * reload1.c (choose_reload_regs): Never set reload_override_in for an
1840 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
1841 accurate value for MULT.
1842 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
1843 2% or > 98% before using static branch prediction bits.
1845 2000-10-28 Neil Booth <neilb@earthling.net>
1849 * cpplib.c (struct answer): New.
1850 (struct if_stack): Use cpp_lexer_pos rather than line and col.
1851 Rename cmacro mi_cmacro.
1852 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
1853 IN_I): New directive and flags.
1854 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
1855 parse_answer, parse_assertion, find_answer): New functions.
1856 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
1857 (lex_macro_node): New function to replace parse_ifdef and
1860 (_cpp_handle_directive): New function, combines _cpp_check_directive
1861 and _cpp_check_linemarker.
1863 (do_define, do_undef, parse_include, do_include, do_import,
1864 do_include_next, read_line_number, do_line, do_ident, do_pragma,
1865 do_pragma_once, do_pragma_poison, do_pragma_dependency):
1866 Update for new token getting interface.
1868 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
1869 : Update for new multiple-include optimisation technique.
1870 (do_elif): Don't forget to invalidate controlling macros.
1872 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
1873 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
1874 Functions to handle assertions with the new token interface.
1875 (do_assert, do_unassert): Use them.
1877 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
1880 (_cpp_init_stacks): Register directive names. Don't register special
1883 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
1884 new position recording regime.
1885 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1886 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
1887 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
1888 (cpp_type2name): Move to cpplex.c.
1890 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
1891 (parse_defined): Update to handle new multiple include optimisation
1892 method. Remove poisoned identifier warning.
1893 (parse_assertion, TYPE_NAME): Delete.
1894 (lex): Update for multiple include optimisation, removal of
1895 CPP_DEFINED, to use _cpp_test_assertion for assertions and
1897 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
1898 (op_as_text): New function, to wrap cpp_token_as_text.
1900 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
1901 Update for MI optimisation.
1902 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
1903 segfault on diagnostic.
1904 (_cpp_compare_file_date): Take a token rather than 3 args.
1905 (cpp_read_file): Work correctly for zero-length files.
1907 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
1908 _cpp_init_hashtable and _cpp_cleanup_hashtable.
1909 (cpp_lookup): Place identifiers at front of identifier pool
1910 for _cpp_lookup_with_hash.
1911 (_cpp_lookup_with_hash): Require identifiers to be at the front of
1912 the identifier pool. Commit the memory if not already in the
1915 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
1916 Initialise various members of cpp_reader, memory pools, and the
1918 (cpp_printer_init): Delete.
1919 (cpp_cleanup): Update.
1920 (struct builtin, builtin_array, initialize_builtins): Update for new
1921 hashnode definition and builtin handling.
1922 (cpp_start_read, cpp_finish): Don't take or initialise a
1925 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
1926 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
1927 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
1928 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
1929 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
1930 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
1931 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
1932 struct toklist, struct cpp_context, struct specnodes,
1933 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
1934 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
1935 enum builtin_type, cpp_can_paste): New.
1936 (struct cpp_token): Delete line and col members.
1937 (struct cpp_buffer): New member output_lineno.
1938 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
1939 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
1940 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
1941 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
1942 base_context, context, directive, mi_state, mi_if_not_defined,
1943 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
1944 mlstring_pos, macro_buffer, macro_buffer_len.
1945 Delete members mls_line, mls_column, token_list, potential_control_macro,
1946 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
1947 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
1948 save_parameter_spellings, need_newline, .
1949 Change type of date, time and spec_nodes members.
1950 Change prototypes for include and ident callbacks.
1951 (struct cpp_hashnode): Change type of name. Remove union members
1952 expansion and code. Add members macro, operator and builtin.
1954 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
1955 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
1956 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
1957 cpp_stop_lookahead): New prototypes.
1958 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
1960 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
1961 Move from cpphash.h.
1963 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
1964 ufputs): Move to cpplib.h.
1965 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
1966 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
1967 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
1968 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
1969 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
1970 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
1971 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
1972 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
1973 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
1974 _cpp_parse_assertion, _cpp_find_answer): Delete.
1975 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
1976 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
1977 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
1978 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
1979 _cpp_handle_directive, DSC): New.
1980 (struct include_file): New member defined.
1982 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
1983 _cpp_compare_file_date): Update.
1984 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
1985 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
1986 _cpp_cleanup_hashtable.
1988 * Makefile.in: Remove cppoutput.c.
1990 * cppoutput.c: Delete
1992 * fixheader.c (read_scan_file): Update for new cpp_get_token
1994 (recognized_function): New argument LINE.
1996 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1997 new cpp_get_token prototype.
1999 * scan.h (recognized_function): Update prototype.
2001 * po/POTFILES.in: Remove cppoutput.c.
2003 2000-10-27 Mark Mitchell <mark@codesourcery.com>
2005 * c-typeck.c (check_init_type_bitfields): Remove.
2006 (constructor_incremental): Likewise.
2007 (struct constructor_stack): Remove incremental bit.
2008 (struct initializer_stack): Likewise.
2009 (start_init): Don't play with constructor_incremental.
2010 (finish_init): Likewise.
2011 (really_start_incremental_init): Likewise.
2012 (push_init_level): Likewise.
2013 (pop_init_level): Likewise.
2014 (output_init_level): Likewise.
2015 (output_pending_init_elements): Likewise.
2017 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
2019 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
2020 Improve error messages. Correct parsing of
2021 #pragma pack(pop [,id]). Do not check the user-supplied
2022 alignment if we're popping.
2024 * gcc.dg/pack-test-1.c: New test case.
2025 * gcc.dg/pack-test-2.c: New test case.
2026 * gcc.dg/pack-test-1.h: New file.
2028 2000-10-27 Neil Booth <neilb@earthling.net>
2032 2000-10-27 Kelley Cook <kelley.cook@home.com>
2034 * invoke.texi: Document -mintel-syntax
2036 2000-10-27 Richard Henderson <rth@redhat.com>
2038 * invoke.texi: Document -frename-registers. Add it to -O3.
2039 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
2040 (enum dump_file_index, dump_file): Update order.
2041 (main): Set flag_rename_registers at -O3.
2043 2000-10-27 Richard Henderson <rth@redhat.com>
2045 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
2046 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
2047 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
2048 * config/alpha/alpha.md (call_osf_1): Use it.
2049 (call_value_osf_1): Likewise.
2051 * config/ia64/ia64.c: Revert 10-23 patch.
2052 (ia64_hard_regno_rename_ok): New.
2053 * config/ia64/ia64-protos.h: Declare it.
2054 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
2056 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
2057 Richard Henderson <rth@redhat.com>
2059 * regrename.c: Rewrite to handle multi-register modes and
2060 cond_exec instructions.
2061 * Makefile.in (regrename.o): Update dependancies.
2062 * recog.h (struct operand_alternative): Add is_address.
2063 * recog.c (preprocess_constraints) [case 'p']: Set it.
2065 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
2067 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
2068 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
2069 top level. Kill oldstyle_subdirs. Do not include
2070 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
2071 $outputs. Do not run configure.lang from config.status.
2072 Rearrange warning-flag logic to correspond to what the
2073 makefile wants. Put special vax stage1 options in
2074 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
2075 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
2076 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
2077 switch is given, nothing otherwise.
2078 * configure.lang: Delete.
2080 * Makefile.in: Expunge all traces of extra_c_objs,
2081 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
2082 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
2083 warning options via a three level scheme so that -pedantic and
2084 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
2085 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
2086 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
2087 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
2088 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
2089 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
2090 generation rules. Wrap all rules that change the current
2091 directory in parentheses; pmake doesn't spawn a new shell for
2092 each command. Expunge all references to $(P). When one
2093 command depends on another and they're run all at once, use &&
2094 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
2095 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
2098 * objc/Make-lang.in: Wrap all rules that change the current
2099 directory in parentheses. Expunge all references to $(P).
2100 When one command depends on another and they're run all at
2101 once, use && to separate them, not ;. Add OUTPUT_OPTION to
2102 all object-file generation rules. Delete obsolete variables.
2103 * objc/Makefile.in: Delete.
2105 2000-10-27 Jakub Jelinek <jakub@redhat.com>
2107 * calls.c (expand_call): If sibcall_failure is set during pass 1,
2108 clear tail_call_insns as well.
2110 2000-10-27 Nick Clifton <nickc@redhat.com>
2112 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
2115 2000-10-26 Richard Henderson <rth@redhat.com>
2117 * calls.c (expand_call): Supress sibcall if we have a
2118 BLKmode return in registers.
2120 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
2122 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
2125 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
2127 * tree.c (make_node, case 't'): Set alignment to that of
2129 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
2131 2000-10-25 Mark Mitchell <mark@codesourcery.com>
2133 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
2134 * configure.in (enable-libstdcxx-v3): Arrange to have
2135 HAVE_LIBSTDCXX_V3 substituted into the output files.
2137 2000-10-25 Richard Henderson <rth@redhat.com>
2139 * recog.c (constrain_operands): Initialize which_alternative
2140 before no alternatives early exit.
2142 * cse.c (find_comparison_args): Check that we can reverse a
2143 comparison if needed before accepting the substitution.
2145 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
2147 * simplify-rtx.c (simplify_relational_operation): Sign extend
2148 low words before sign extending to high words.
2150 2000-10-25 Nick Clifton <nickc@redhat.com>
2152 * config/mcore/mcore.c: Include config.h before system.h.
2154 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
2156 * config/mcore/mcore.md (return): Force function epilogue to
2157 always be generated to work around epilogue suppression bug in
2160 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
2162 * c-decl.c (grokdeclarator): Move warning for qualified void
2163 return types with -pedantic to when the function type is
2164 constructed. At -W, warn in general for qualified function return
2165 types, except for volatile void.
2166 * invoke.texi: Document this new warning at -W.
2168 2000-10-25 Neil Booth <neilb@earthling.net>
2170 * cpp.texi: Update with implementation-defined behavior and
2173 2000-10-25 Jakub Jelinek <jakub@redhat.com>
2175 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
2176 incomplete type force it into alias set 0.
2178 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
2180 * alias.c: Include basic-block.h.
2181 (loop_p): New function.
2182 (mark_constant_function): Use it.
2183 * Makefile.in (alias.o): Update dependencies.
2185 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2187 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
2190 2000-10-24 Jim Wilson <wilson@cygnus.com>
2192 * expmed.c (store_bit_field): Move integer pun code down after
2193 code that calls emit_move_insn for entire register move.
2194 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
2195 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
2197 2000-10-24 Richard Henderson <rth@cygnus.com>
2199 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
2200 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
2202 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2204 * gcse.c (cprop_insn): do not propagate constants into jump_insn
2205 for machines with CC0 more than once.
2207 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
2209 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
2210 pseudos just like memory.
2212 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
2214 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
2215 when deleting libcall sequence collapsed to a single instruction.
2217 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
2219 * expr.c (do_store_flag): Don't crash if either side of a
2220 comparison is error_mark_node.
2222 2000-10-24 Jakub Jelinek <jakub@redhat.com>
2224 * sibcall.c (purge_mem_unchanging_flag): New function.
2225 (optimize_sibling_and_tail_recursive_calls): Call it.
2227 2000-10-24 Philipp Thomas <pthomas@suse.de>
2229 * Makefile.in (check-po): New target for doing checks in the po
2230 subdir if all languages configured.
2231 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
2232 configure if NLS is enabled.
2233 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
2234 otherwise leave empty.
2235 * configure: Regenerate.
2237 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2239 * i386.c (print_operand): Handle new 'A' formatting code.
2240 387 opcodes need suffixes even with -mintel-syntax.
2241 Check for explicit size override (codes 'b', 'w' and 'k').
2242 (print_operand_address): Check if register prefix is needed when
2243 emitting `ds' segment override.
2244 * i386.h: Add comment about new 'A' formatting code.
2245 * i386.md (jump and call patterns): Emit absolute references using %A.
2247 2000-10-23 Richard Henderson <rth@cygnus.com>
2249 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
2250 output registers as fixed.
2251 (ia64_function_epilogue): Undo output fixation.
2253 2000-10-23 Richard Henderson <rth@cygnus.com>
2255 * config/alpha/alpha.md: Add names for all unnamed insns; use
2256 define_insn_and_split in some obvious places.
2258 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
2259 (zero_extendqisi2, zero_extendqidi2): Likewise.
2260 (zero_extendhisi2, zero_extendhidi2): Likewise.
2261 (abs splitters): Fix match_scratch operand number.
2262 (bcc_reverse): Swap pc & label instead of non-canonical compare.
2264 2000-10-23 Jim Wilson <wilson@cygnus.com>
2266 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
2268 * ia64.md (cmpsi_adjusted): Use %r3.
2269 (cmpdi_adjusted): Likewise.
2271 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2273 * config/i386/att.h (ASM_FILE_START): Define.
2275 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2277 * config/i386/linux.h (ASM_FILE_START): Define.
2279 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
2281 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
2282 since this (only) drags in a crt0.o reference that the .ld files
2285 2000-10-23 Geoff Keating <geoffk@cygnus.com>
2287 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
2288 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
2289 reloads just like an RELOAD_FOR_OUTPUT would.
2291 * local-alloc.c (update_equiv_regs): Add an abort(). When
2292 deleting or moving insns, update reg_equiv[regno].init_insns.
2294 2000-10-23 Mark Mitchell <mark@codesourcery.com>
2296 * c-tree.texi: Improve documentation for IF_STMTs and related
2297 conditional statements.
2299 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2301 * expr.c (do_preexpand_calls): Remove.
2302 (same_from_p): Don't use CALL_EXPR_RTL.
2303 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
2304 (preexpand_calls): Remove.
2305 * tree.c (first_rtl_op): Remove CALL_EXPR case.
2306 (unsave_expr_1): Likewise.
2307 * tree.def (CALL_EXPR): Give it only two slots.
2308 * tree.h (CALL_EXPR_RTL): Remove.
2310 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
2312 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
2313 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2316 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
2318 * calls.c (combine_pending_stack_adjustment_and_call): Don't
2319 adjust stack when unadjusted_alignment ends up as zero.
2321 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
2323 * fixinc/genfixes: Remove EGCS reference.
2324 * install.texi: Remove EGCS reference.
2325 * INSTALL: Regenerate.
2327 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2329 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
2331 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
2333 * diagnostic.c: Remove EGCS reference in comment.
2335 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2337 * loop.c (strength_reduce): Fix error in last change.
2339 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2341 * Makefile.in (SHLIB_NM_FLAGS): New.
2342 (libgcc.mk): Pass it.
2343 * mklibgcc.in (libgcc.map): Use it.
2345 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
2346 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
2348 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2350 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
2352 * sparc.c (load_pic_register): Delete unused varaible.
2354 * libgcc2.c (__addvsi3): Delete unused variable.
2356 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
2357 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
2358 __negvdi2): Prototype.
2360 * ssa.c (apply_delayed_renames): Avoid undefined operation.
2362 * toplev.c (display_target_options): Make static to match
2363 prototype. Delete empty declaration.
2365 2000-10-20 Tom Tromey <tromey@cygnus.com>
2367 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2368 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2370 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2372 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
2374 (expand_expr_unaligned, case ARRAY_REF): Check that index is
2375 a constant before comparing it; use tree_low_cst.
2376 * tree.c (save_expr): Set TREE_READONLY.
2377 (substitute_expr): Return inside of NON_LVALUE_EXPR.
2378 (build, build1): Set TREE_READONLY if all operands are.
2379 (build_index_type): If upper bound is a negative number, lower
2380 bound is zero and sizetype is unsigned, use upper bound of one and
2383 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2385 * gcc.c (process_command, main): Use "because" instead of
2386 "since" in error messages.
2388 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2390 * stor-layout.c (compute_record_mode): Use tree_low_cst.
2391 Don't use mode of field for record unless sizes are the same.
2392 (layout_type, case ARRAY_TYPE): Remove special bounds handling
2393 previously added for Ada; also change to using host_integerp
2396 * loop.c (strength_reduce): Show when new register made for
2397 giv is known to be a pointer and its aligment if so and known.
2398 (loop_dump_aux): Show VERBOSE parameter unused.
2400 * gcse.c (set_hash_table_size): Now unsigned.
2401 * sdbout.c (template_name_p): Add "const" to avoid warnings.
2402 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
2403 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
2404 (sdbout_end_epilogue): Remove variable NAME.
2405 * system.h (getopt): Add default definition.
2406 * config/alpha/alpha.c (print_operand): Don't continue processing
2407 after issuing error.
2408 (summarize_insn): Avoid use of UL in constant.
2410 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
2412 * fold-const.c (force_fit_type): Unsigned values can overflow
2413 if they are sizetype.
2414 (int_const_binop): Don't use cache if overflows.
2416 2000-10-20 Richard Henderson <rth@cygnus.com>
2418 * function.c (locate_and_pad_parm): Zero alignment_pad.
2420 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
2421 perform substitutions, and apply_change_group to see if it worked.
2423 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2425 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
2427 * combine.c (struct undo): Change int to unsigned int.
2428 (do_SUBST_INT): Args are unsigned int.
2429 (make_extraction, force_to_mode): Use proper type when forming mask.
2430 (make_field_assignment): Likewise.
2432 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
2434 * c-common.c (check_format_info_recurse): Extract string constant
2435 initializers from non-volatile constant arrays and check them as
2437 * c-typeck.c (decl_constant_value): Don't check pedantic or check
2438 for DECL_MODE (decl) != BLKmode.
2439 (decl_constant_value_for_broken_optimization): New function which
2440 includes these checks.
2441 (default_conversion, convert_for_assignment, digest_init): Use
2442 decl_constant_value_for_broken_optimization instead of
2443 decl_constant_value.
2445 2000-10-20 Mark Mitchell <mark@codesourcery.com>
2447 * tree.h (DECL_ALIGN_UNIT): New macro.
2449 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
2451 * config/avr/avr-protos.h (avr_output_bld): New.
2452 (out_shift_with_cnt): Add t_len argument.
2453 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
2454 (output_movqi, output_movhi, output_movsisf): Optimize loading
2455 any constant with exactly one bit set to NO_LD_REGS.
2456 (out_shift_with_cnt): Optimize output code for size or speed,
2457 depending on optimize_size. Handle small shift counts as well
2458 (if not hand-optimized in ?sh??i3_out). Shifts can be done
2459 with or without a scratch register, with help of __tmp_reg__
2460 or __zero_reg__ if necessary. Add T_LEN argument to pass the
2461 length of TEMPLATE in words, return total insn length in *LEN.
2462 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
2463 out_shift_with_cnt to work with the above change.
2464 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
2465 lshrsi3_out): Likewise. Optimize more known shift count cases.
2466 Remove cases already well optimized in out_shift_with_cnt.
2467 (avr_output_bld): New function.
2468 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
2469 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
2470 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
2471 Add reload_completed to insn condition - only for peepholes.
2472 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
2473 in a register or memory.
2474 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
2475 Do not require a scratch register.
2476 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
2477 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
2478 Optimize shifts by known count using a scratch register, but only
2479 if one is still available after register allocation.
2481 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2483 * t-vax: New file. Don't build modules from libgcc1.c.
2485 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
2487 * alias.c: (mark_constant_function): Don't check pure functions.
2488 Initialize and end alias analysis.
2489 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
2490 Don't make a special exception for recursion. Handle
2491 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
2492 unless it's volatile.
2494 * local-alloc.c (equivalence): New structure.
2495 (reg_equiv): Define.
2496 (contains_replace_regs): Remove array and use
2498 (memref_referenced_p): Likewise.
2499 (no_equiv): Likewise.
2500 (update_equiv_regs): Likewise.
2502 (equiv_init_varies_p,
2503 equiv_init_movable_p): New functions.
2504 (update_equiv_regs): Use them. Use rtx_varies_p
2505 instead of function_invariant_p. Process insns
2506 from end to beginning. Allow a REG_EQUIV insn
2507 within the same loop as a use to be moved, also
2508 allow it to be moved out of a loop. Update
2509 REG_DEAD notes when substituting into an insn.
2511 2000-10-19 Jim Wilson <wilson@cygnus.com>
2513 * c-decl.c (start_decl): Check for error_mark_node type before using
2515 (finish_decl): Likewise. Don't give an error if decl type is
2516 already error_mark_node.
2518 * haifa-sched.c (compute_trg_info): Add explanatory comments.
2519 New local update_blocks. Use update_blocks to remove duplicates
2520 when computing update blocks. Check for bblst_table overflow.
2521 (schedule_block): Add explanatory comment. Reduce bblst_size by
2523 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
2526 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2528 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
2530 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2532 * expmed.c: Minor corrections in comments.
2533 * invoke.texi: Added desciption for the new option -ftrapv.
2535 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2537 * libgcc2.c: Added the missing #endif.
2539 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2541 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
2543 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
2545 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
2546 Use smulv_optab for -ftrapv.
2547 (expand_mult_highpart): Use unsigned multiply.
2548 (expand_divmod): Special-case division by -1.
2549 For EXACT_DIV_EXPR, do right shift first, then the multiply.
2550 For complex divide, use abs with unsigned result.
2551 * expr.c (force_operand): Use unsigned multiply.
2552 (expand_expr): Use overflow-trapping optabs for signed types if
2554 If flag_trapv, don't generate a recursive call with EXPAND_SUM
2555 if the type is signed and the original call wasn't EXPAND_SUM or
2557 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
2558 (negv_optab, absv_optab): Declare.
2559 * flags.h (flag_trapv): Declare.
2560 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
2561 smulv_optab, sdivv_optab, negv_optab and absv_optab.
2562 (gen_insn): Interpret '$P' as requiring an integer mode,
2563 including partial integer modes.
2564 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
2565 (product_cheap_p): Use unsigned expand_mult.
2566 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
2567 (negv_optab, absv_optab): Define.
2568 (expand_binop): Use overflow-trapping optabs for signed types if
2570 Handle negv_optab libe neg_optab.
2571 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
2572 Use overflow-trapping optabs for signed result if flag_trapv.
2573 (expand_complex_abs): Use overflow-trapping optabs for signed types if
2575 Don't open-code complex absolute-value operation for flag_trapv.
2576 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
2577 sdivv_optab, negv_optab and absv_optab.
2578 * toplev.c (flag_trapv): Define.
2579 (lang_independent_options f_options): Include flag_trapv.
2580 * tree.h (TYPE_TRAP_SIGNED): Define.
2581 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
2582 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2584 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
2585 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
2587 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
2588 David V. Henkel-Wallace <gumby@cygnus.com>
2590 * config/i386/t-netware: Bring in from the Red Hat tree.
2591 * config/i386/netware.h: Likewise.
2592 * config/netware.h: Likewise.
2593 * config/rs6000/netware.h: Delete.
2594 * configure.in: Add i[34567]86-*-netware.
2595 * configure: Hand-edit to match configure.in change.
2597 2000-10-18 Mark Mitchell <mark@codesourcery.com>
2599 * c-common.h (flag_no_builtin): Declare.
2600 (flag_no_nonansi_builtin): Likewise.
2601 (c_common_nodes_and_builtins): Change prototype.
2602 * c-common.c (flag_no_builtin): New variable.
2603 (flag_no_nonansi_builtin): Likewise.
2604 (c_common_nodes_and_builtins): Remove parameters. Adjust
2606 * c-decl.c (flag_no_builtin): Remove.
2607 (flag_no_nonansi_builtin): Likewise.
2608 (init_decl_processing): Adjust call to
2609 c_common_nodes_and_builtins.
2611 2000-10-18 Marc Espie <espie@openbsd.org>
2613 * tm.texi (LIBGCC_SPEC): Synch with reality.
2615 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2617 * c-common.c (check_format_types): Check for writing through a
2618 NULL pointer argument.
2620 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
2622 * tm.texi (Exception Region Output): Document
2623 DWARF_CIE_DATA_ALIGNMENT.
2624 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
2626 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
2627 DWARF_CIE_DATA_ALIGNMENT.
2629 2000-10-18 Michael Hayes <mhayes@cygnus.com>
2631 * basic-block.h (struct loop): Delete fields pre_header_root
2632 and pre_header_trace and replace with pre_header_edges
2633 and num_pre_header_edges.
2634 * flow.c (flow_loop_dump): Dump pre_header_edges.
2635 (flow_loops_free): Free pre_header_edges.
2636 (flow_loop_pre_header_scan): Calculate pre_header_edges.
2638 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2640 * contrib.texi: Update references to steering committee members
2641 and Jeff Law's entry.
2643 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2645 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
2646 (maybe_read_dollar_number, check_format_info_main): Use them for
2647 pedantic warning messages.
2649 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2651 * c-common.c (check_format_info_main): Minor cleanup: move
2652 variables into inner scopes; initialize declarations where
2653 appropriate; don't hardcode "scanf" name on warning for zero
2656 2000-10-17 Mark Mitchell <mark@codesourcery.com>
2658 * c-common.c (back_end_hook): New variable.
2659 * c-common.h (back_end_hook): Declare it.
2660 * c-lang.c (finish_file): Use it.
2662 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
2665 2000-10-18 Jan Hubicka <jh@suse.cz>
2667 * i386.c (ix86_comparison_operator, put_condition_code,
2668 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
2669 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
2670 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
2671 * i386.md (adddi and negdi splitter): Use CCRCmode.
2672 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
2673 (subsi3_carry): add '*'
2674 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
2675 (cmp to add peep2): Use CCRCmode; swap operands.
2677 2000-10-18 Kazu Hirata <kazu@hxi.com>
2679 * h8300.c: Fix a comment typo.
2680 (round_frame_size): New.
2681 (compute_saved_regs): Likewise.
2684 (push_order): Remove.
2685 (pop_order): Likewise.
2686 (function_prologue): Rearrange code for readability.
2687 (function_epilogue): Likewise.
2689 * config/h8300/h8300.md: Remove an unnecessary sign_extend
2690 expander that is used when not optimizing. Output a tab after
2691 each assembly insns.
2693 * reorg.c: Fix formatting.
2695 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
2697 * reload1.c (move2add_note_store): Check for simple
2698 auto-inc in destination.
2700 2000-10-17 Michael Chastain <chastain@redhat.com>
2702 * config/i386/i386-aout.h: define INT_ASM_OP.
2704 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
2706 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
2708 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
2710 * i370.md: Fix spelling typo.
2712 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2714 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
2715 Fixes execute/20001017-1.c on powerpc-linux-gnu.
2717 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
2718 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
2721 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
2722 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
2724 * rs6000/aix.h: ...to here.
2725 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
2727 2000-10-17 Jakub Jelinek <jakub@redhat.com>
2729 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
2731 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
2732 sure linker can relax even the delay slot mov %g1,%o7, fix output
2735 2000-10-17 Kazu Hirata <kazu@hxi.com>
2737 * config/h8300/h8300.md: Remove an unnecessary zero_extend
2738 expander that is used when not optimizing. Output a tab after
2739 each assembly insns.
2741 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
2743 * gcc.c: New options --target-help.
2744 (process_command): Added code to parse this new option.
2745 * toplev.c (display_target_options): New function to support the
2747 * cppinit.c (new_pending_directive) : New option OPT_target__help.
2748 (cpp_handle_option): Support this new option.
2749 * invoke.texi: Added notes about --target-help option.
2751 2000-10-17 Graham Stott <grahams@redhat.com>
2753 * config/i386/i386.md (testqi_1): Add missing operand prefix
2755 * config/i386/i386-protos.h: Add missing prototype.
2757 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
2759 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
2760 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
2761 using -mintel-syntax.
2763 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
2765 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
2766 (format_types): Use it for printf.
2767 (maybe_read_dollar_number): Add parameter for the kind of format
2768 involved. Warn for multiple use for arguments if this is
2769 inappropriate for the kind of format involved.
2770 (check_format_info_main): Update calls to maybe_read_dollar_number.
2772 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2774 * inclhack.def (hpux_maxint): Also apply fix to values.h.
2775 * fixincl.x: Rebuilt.
2777 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
2779 * genrecog.c (write_switch): Return the first condition that needs a
2782 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
2784 * c-tree.h (warn_sequence_point): Move declaration to...
2785 * c-common.h (warn_sequence_point): ... here.
2786 * c-decl.c (warn_sequence_point): Move definition to...
2787 * c-common.c (warn_sequence_point): ... here.
2788 (struct reverse_tree): New.
2789 (reverse_list, reverse_max_depth): New static variables.
2790 (build_reverse_tree, common_ancestor, modify_ok
2791 verify_sequence_points): New functions.
2792 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
2793 * c-typeck.c (check_modify_expr): Delete.
2794 (build_modify_expr): Don't call it.
2796 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
2798 * c-common.h (warn_missing_format_attribute): New variable.
2799 * c-decl.c (warn_missing_format_attribute): New variable.
2800 (c_decode_option): Decode -Wmissing-format-attribute and
2801 -Wno-missing-format-attribute.
2802 * c-common.c (check_function_format): If
2803 -Wmissing-format-attribute, give a warning where a vprintf or
2804 vscanf function is called by a function without its own printf or
2806 * toplev.c (documented_lang_options): Add
2807 -Wmissing-format-attribute.
2808 * invoke.texi: Document -Wmissing-format-attribute.
2810 2000-10-17 Marc Espie <espie@openbsd.org>
2812 * invoke.texi (-shared): Insist on requiring code generation flags
2813 to be used along with -shared, and document the subtle failure that
2814 may occur otherwise.
2816 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2818 * pa.md (return_internal): Move `use' after `return'.
2820 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2822 * machmode.def: Correct comment.
2824 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
2826 * print-rtl.c (print_rtx_head): Constify.
2827 * rtl.h (print_rtx_head): Similarly.
2829 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
2830 Constify char * return value.
2832 (output_64bit_and, output_64bit_ior): Constify char * return value.
2833 (pa_can_combine_p): Make static.
2834 (function_arg): Decorate unused `named' argument. Fix comment typo.
2835 (function_arg_partial_nregs): Decorate unused `named' argument.
2837 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
2839 * c-common.c (format_check_results): New structure.
2840 (finish_dollar_format_checking): Adjust to take a
2841 format_check_results * parameter.
2842 (check_format_info, check_format_info_recurse,
2843 check_format_info_main): Split check_format_info into three
2844 functions, the main checking going in check_format_info_main.
2845 Recurse when any reduction of the format string argument towards a
2846 string literal is done; go down both branches of a conditional
2847 expression. Don't warn for extra format arguments or empty format
2848 strings if they only occur in some branches of a conditional
2851 2000-10-16 Kazu Hirata <kazu@hxi.com>
2853 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
2855 2000-10-16 Jakub Jelinek <jakub@redhat.com>
2857 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
2859 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
2861 * i386.md (*movsi_or): Switch operand order for intel syntax.
2863 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
2867 * gcc.texi (Contributing): Update.
2869 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
2871 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
2872 appropriate assembler dialect.
2874 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
2876 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
2878 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
2880 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
2881 constants 1 and 2 to NO_LD_REGS.
2883 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2885 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
2887 * objc/Make-lang.in (objc-parse.c): Likewise.
2889 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
2891 * arm.c: Include obstack.h
2892 (minipool_obstack, minipool_startobj): Define.
2893 (arm_add_gc_roots): Initialize them.
2894 (create_fix_barrier): Use our new obstack.
2895 (push_minipool_barrier, push_minipool_fix): Likewise.
2896 (arm_reorg): Release obstack memory.
2898 2000-10-13 Jakub Jelinek <jakub@redhat.com>
2900 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
2901 (prologue, exception_receiver, builtin_setjmp_receiver): New
2903 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
2904 * config/sparc/sparc-protos.h (finalize_pic): Remove.
2905 (load_pic_register): New prototype.
2906 * config/sparc/sparc.c (pic_setup_code): Remove.
2907 (finalize_pic): Rename to...
2908 (load_pic_register): ...this function.
2909 Don't look for nonlocal_goto_receivers and emit pic setup code
2910 directly. Don't check current_function_uses_pic_offset_table.
2912 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
2914 * tree.h (struct obstack): Declare.
2916 2000-10-12 Mark Mitchell <mark@codesourcery.com>
2919 * Makefile.in (ggc-callbacks.o): Remove target.
2920 (flow.o): Depend on GGC_H.
2921 * alias.c (init_alias_analysis):
2922 Remove ggc_p conditionals.
2923 (end_alias_analysis): Likewise.
2924 * basic-block.h (init_flow): New function.
2925 (allocate_reg_life_data): Declare.
2926 * bb-reorder.c (function_obstack): Replace with ...
2927 (flow_obstack): ... new variable.
2928 (fixup_reorder_chain): Use it.
2929 * c-decl.c (ggc_p): Remove.
2930 (caller-save.c): Don't call oballoc/obfree.
2932 undobuf): Remove storage.
2933 (try_combine): Don't call oballoc.
2934 (undo_all): Don't call obfree.
2935 * cse.c (insert): Use xmalloc, not
2937 (cse_main): Adjust accordingly.
2938 * dwarf2out.c (save_rtx): Remove
2940 (dwarf2out_init): Remove ggc_p conditionals.
2941 * emit-rtl.c (rtl_obstack): Remove.
2942 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
2943 (make_insn_raw): Likewise.
2944 (emit_insn_before): Likewise.
2945 (emit_insn_after): Likewise.
2946 (emit_insn): Likewise.
2947 (gen_sequence): Likewise.
2948 (copy_insn_1): Remove handling of `b' RTL components.
2949 (init_emit_once): Remove ggc_p conditionals.
2950 * except.c (create_rethrow_ref): Don't fool with obstacks.
2951 (add_partial_entry): Likewise.
2952 (call_get_eh_context): Likewise.
2953 (begin_protect_partials): Likewise.
2954 (protect_with_terminate): Likewise.
2956 (plus_constant_wide): Likewise.
2957 * expr.c (init_expr_once):
2959 (emit_block_move): Likewise.
2960 (clear_storage): Likewise.
2961 (expand_expr): Likewise.
2962 * flow.c (function_obstack): Remove.
2963 (flow_obstack): New variable.
2964 (flow_firstobj): Likewise.
2965 (create_base_block): Use the flow_obstack.
2966 (split_block): Likewise.
2967 (split_edge): Likewise.
2968 (calculate_global_regs_live): Likewise.
2969 (allocate_bb_life_data): Make it static. Likewiwse.
2970 (init_flow): New function.
2971 (size_int_type_wide): Remove ggc_p conditionals.
2973 (push_function_context_to): Don't call save_tree_status.
2974 (pop_function_context_from): Or restore_tree_status.
2975 (assign_stack_local_1): Don't call push_obstacks.
2976 (find_fixup_replacement): Use xmalloc.
2977 (fixup_var_refs_insns): Free the storage.
2978 (insns_for_mem_walk): Don't mess with obstacks.
2979 (instantiate_decls): Likewise.
2980 (trampoline_address): Likewise.
2981 (expand_function_end): Likewise.
2982 * function.h (sturct function):
2983 Remove obstack-related variables.
2984 (save_tree_status): Don't declare.
2985 (restore_tree_status): Likewise.
2986 * gcse.c (compute_can_copy):
2987 Don't call oballoc/obfree.
2988 * genattrtab.c (operate_exp): Remove
2990 (simplify_cond): Likewise.
2991 (simplify_test_exp): Don't mess with obstacks.
2992 (optimize_attrs): Likewise.
2993 * gengenrtl.c (gendef): Don't include
2995 * ggc-callbacks.c (ggc_p): Remove.
2996 * ggc-none.c (ggc_p): Remove.
2997 * ggc.h (ggc_p): Don't declare.
2998 * integrate.c (save_for_inline): Don't mess with obstacks.
2999 (integrate_decl_tree): Likewise.
3000 (output_inline_function): Likewise.
3002 (init_EXPR_INSN_LIST_cache): Likewise.
3003 * loop.c (temp_obstack):
3005 (rtl_obstack): Likewise.
3006 (init_loop): Don't mess with obstacks.
3007 (reg_address_cost): Free BIVs and GIVs.
3008 (check_insns_for_bivs): Use xmalloc, not oballoc.
3009 (find_mem_givs): Likewise.
3010 (record_biv): Likewise.
3011 (general_induction_var): Likewise.
3012 (product_cheap_p): Likewse.
3013 * optabs.c (init_one_libfunc): Remove
3015 * print-tree.c (debug_tree): Don't use
3017 (print_node): Likewise.
3018 * profile.c (output_func_start_profiler):
3019 Remove call to temporary_allocation.
3021 (eliminate_regs_in_insn): Don't mess with obstacks.
3023 (mark_target_live_regs): Use xmalloc.
3024 (free_resource_info): Free the memory.
3025 * rtl.c (rtl_obstack):
3027 (rtvec_alloc): Don't mess with obstacks.
3028 (rtx_alloc): Likewise.
3030 (copy_rtx): Don't handle `b' cases.
3031 (read_rtx): Use a local rtl_obstack.
3032 * rtl.h (oballoc): Remove.
3034 (pop_obstacks): Likewise.
3035 (push_obstacks): Likewise.
3036 (allocate_bb_life_data): Likewise.
3037 (allocate_reg_life_data): Likewise.
3038 (rtx_free): Likewise.
3039 * sdbout.c (sdbout_queue_anonymous_type):
3040 Use tree_cons, not saveable_tree_cons.
3042 (cselib_init): Don't mess with obstacks.
3044 (mark_block_nesting): Mark the label_chain.
3045 (epxand_label): Use ggc_alloc, not oballoc.
3046 (clear_last_expr): Don't mess with obstacks.
3047 (expand_decl_cleanup): Likewise.
3048 (expand_dcc_cleanup): Likewise.
3049 (expand_dhc_cleanup): Likewise.
3050 (expand_anon_union_decl): Likewise.
3051 (add_case_node): Use xmalloc, not oballoc.
3052 (free_case_nodes): New function.
3053 (expand_end_case): Call it.
3054 * stor-layout.c (layout_type): Don't
3056 (layout_type): Likewise.
3057 * toplev.c (wrapup_global_declarations):
3059 (compile_file): Remove ggc_p conditionals.
3060 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
3061 (decode_f_option): Remove ggc_p conditionals.
3063 (function_maybepermanent_obstack): Remove.
3064 (maybepermanent_obstack): Likewise.
3065 (function_obstack): Likewise.
3066 (tmeporary_obstack): Likewise.
3067 (momentary_obstack): Likewise.
3068 (temp_decl_obstack): Likewise.
3069 (saveable_obstack): Likewise.
3070 (rtl_obstack): Likewise.
3071 (current_obstack): Likewise.
3072 (expression_obstack): Likewise.
3073 (struct obstack_stack): Likewise.
3074 (obstack_stack): Likewise.
3075 (obstack_stack_obstack): Likewise.
3076 (maybepermanent_firstobj): Likewise.
3077 (temporary_firstobj): Likewise.
3078 (momentary_firstobj): Likewise.
3079 (temp_decl_firstobj): Likewise.
3080 (momentary_function_firstobj): Likewise.
3081 (all_types_permanent): Likewise.
3082 (struct momentary_level): Likewise.
3083 (momentary_stack): Likewise.
3084 (init_obstacks): Remove initialization of removed obstacks.
3085 (save_tree_status): Remove.
3086 (restore_tree_status): Likewise.
3087 (temporary_allocation): Liekwise.
3088 (end_temporary_allocation): Liekwise.
3089 (resume_temporary_allocation): Likewise.
3090 (saveable_allocation): Likewise.
3091 (push_obstacks): Likewise.
3092 (push_obstacks_nochange): Likewise.
3093 (pop_obstacks): Likewise.
3094 (allocation_temporary_p): Likewise.
3095 (permanent_allocation): Likewise.
3096 (preserve_data): Likewise.
3097 (preserve_initializer): Likewise.
3098 (rtl_in_current_obstack): Likewise.
3099 (rtl_in_saveable_obstack): Likewise.
3100 (oballoc): Likewise.
3102 (savealloc): Likewise.
3103 (expralloc): Likewise.
3104 (print_obstack_name): Likewise.
3105 (debug_obstack): Likewise.
3106 (object_permanent_p): Likewise.
3107 (push_momentary): Likewise.
3108 (perserve_momentary): Likewise.
3109 (clear_momentary): Likewise.
3110 (pop_momentary): Likewise.
3111 (pop_momentary_nofree): Likewise.
3112 (suspend_momentary): Likewise.
3113 (resume_momentary): Likewise.
3114 (make_node): Don't set TREE_PERMANENT.
3115 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
3116 Don't set TREE_PERMANENT.
3117 (get_identifier): Remove ggc_p conditionals.
3118 (build_string): Likewise.
3119 (make_tree_vec): Likewise.
3120 (build_decl_list): Remove.
3121 (build_expr_list): Likewise.
3122 (tree_cons): Remove ggc_p conditionals.
3123 (decl_tree_cons): Remove.
3124 (expr_tree_cons): Likewise.
3125 (perm_tree_cons): Likewise.
3126 (temp_tree_cons): Likewise.
3127 (saveable_tree_cons): Likewise.
3128 (build1): Remove ggc_p conditionals.
3129 (build_parse_node): Likewise.
3130 (build_type_attribute_variant): Don't mess with obstacks.
3131 (build_type_copy): Likewise.
3132 (type_hash_canon): Likewise.
3133 (build_pointer_type): Likewise.
3134 (build_reference_type): Likewise.
3135 (build_index_type): Likewise.
3136 (build_range_type): Likewise.
3137 (dump_tree_statistics): Don't print obstack information.
3139 (struct tree_common): Remove permanent_flag.
3140 (TREE_PERMANENT): Remove.
3141 (TREE_SET_PERMANENT): Likewise.
3142 (TYPE_OBSTACK): Likewise.
3143 (struct tree_type): Remove obstack.
3145 (savealloc): Likewise.
3146 (build_decl_list): Likewise.
3147 (build_expr_list): Likewise.
3148 (perm_tree_cons): Likewise.
3149 (temp_tree_cons): Likewise.
3150 (saveable_tree_cons): Likewise.
3151 (decl_tree_cons): Likewise.
3152 (expr_tree_cons): Likewise.
3153 (suspend_momentary): Likewise.
3154 (allocation_temporary_p): Likewise.
3155 (resume_momentary): Likewise.
3156 (push_obstacks_nochange): Likewise.
3157 (permanent_allocation): Likewise.
3158 (push_momentary): Likewise.
3159 (clear_momentary): Likewise.
3160 (pop_momentary): Likewise.
3161 (end_temporary_allocation): Likewise.
3162 (pop_obstacks): Likewise.
3163 (push_obstacks): Likewise.
3164 (pop_momentary_nofree): LIkewise.
3165 (preserve_momentary): Likewise.
3166 (saveable_allocation): Likewise.
3167 (temporary_allocation): Likewise.
3168 (resume_temporary_allocation): Likewise.
3169 (perserve_initializer): Likewise.
3170 (debug_obstack): Likewise.
3171 (rtl_in_current_obstack): Likewise.
3172 (rtl_in_saveable_obstack): Likewise.
3174 * varasm.c (current_obstack): Remove.
3175 (saveable_obstack): Remove.
3176 (rtl_obstack): Remove.
3177 (immed_double_const): Don't mess with obstacks.
3178 (immed_real_cons): Likewise.
3179 (output_constant_def): Likewise.
3180 (init_varasm_status): Use xcalloc.
3181 (mark_pool_constant): Mark the pool constant itself.
3182 (free_varasm_status): Free memory.
3183 (decode_rtx_const): Call bzero directly, rather than expanding it
3185 (record_rtx_const): Don't mess with obstacks.
3186 (force_const_mem): Likewise.
3187 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
3189 (aof_pic_entry): Likewise.
3190 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
3191 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
3192 * config/pa/pa.c (saveable_obstack): Remove.
3193 (rtl_obstack): Likewise.
3194 (current_obstack): Likewise.
3195 (output_call): Don't mess with obstacks.
3196 (hppa_encode_label): Remove ggc_p conditionals.
3197 * config/romp/romp.c (get_symref): Don't mess with obstacks.
3198 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
3199 (rs6000_encode_section_info): Likewise.
3200 * config/sh/sh.c (get_fpscr_rtx): Likewise.
3202 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
3204 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
3205 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
3206 (addsi3_carry): Canonicalize.
3207 (addqi_5): Remove '*'.
3208 (sbb pattern): Canonicalize.
3210 * i386.md (cmp to inc/add peep2): New.
3212 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
3214 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
3217 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3219 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
3220 * README.TRAD, TESTS.FLUNK: Remove.
3222 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3224 * c-common.c (decl_attributes): Don't allow strftime formats with
3225 first_arg_num nonzero.
3226 (check_format_info): Set wanted_type and wanted_type_name to zero
3227 before they are possibly assigned and used.
3229 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3231 * c-common.c (scanf_flag_specs): Add flags ' and I.
3232 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
3233 or the ^ and # flags together.
3234 (scan_char_table): Handle the ' and I flags.
3235 (format_types): Add ' and I flags for scanf.
3237 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3239 * c-common.c (print_char_table): Use the unpromoted type for
3240 lengths "h" and "hh" with conversions dioxXu.
3241 (check_format_types): Apply the default argument promotions where
3242 the wanted type is not a pointer target.
3244 2000-10-11 Michael Meeks <mmeeks@gnu.org>
3245 Joseph S. Myers <jsm28@cam.ac.uk>
3247 * c-typeck.c (check_modify_expr): New function.
3248 (build_modify_expr): Call it if warn_sequence_point.
3249 * c-decl.c (warn_sequence_point): New variable.
3250 (c_decode_option): Handle -Wsequence-point and
3251 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
3252 * c-tree.h (warn_sequence_point): Declare.
3253 * invoke.texi (-Wsequence-point): Document.
3254 * toplev.c (documented_lang_options): Add -Wsequence-point and
3255 -Wno-sequence-point.
3256 Original work by Michael Meeks, 16 Jun 1998.
3258 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3260 * tree.c (get_narrower): Don't look at precision of field if
3263 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
3265 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
3266 declaration for data with "progmem" attribute.
3268 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
3270 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
3271 Correct insn length if shift count is a memory operand.
3272 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
3273 (*iorhi3_clobber): Change lo8 to hi8.
3274 (zero_extendhisi2): Change %B0 to %A1.
3275 (ashlhi3, ashrhi3): Correct insn length.
3276 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
3277 from "clobber" to "set_n" in some alternatives.
3279 2000-10-10 Jakub Jelinek <jakub@redhat.com>
3281 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
3282 remove its insn_chain structure as well.
3284 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3286 * dbxout.c (dbxout_source_line): Remove extra tab.
3288 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
3290 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
3292 2000-10-09 Richard Henderson <rth@cygnus.com>
3294 * Makefile.in (LANG_LIB2FUNCS): Remove.
3295 (LIB2FUNCS): Remove _pure.
3296 (LIB2ADD): Remove LANG_LIB2FUNCS.
3297 (stage_a): Don't set LANG_LIB2FUNCS.
3298 * libgcc2.c (__terminate): Mark noreturn.
3299 (__pure_virtual): Remove.
3300 * mklibgcc.in: Remove LIB2ADD .txt processing.
3302 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3304 * arm.md (push_multi): Revert unintended change.
3306 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3308 * arm.c: Miscellaneous white space and comment clean-ups. No
3312 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3314 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
3315 STRING_CST by calling combine_strings.
3317 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3319 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
3320 (thumb_output_move_mem_multiple): Support new insn format.
3321 * arm.md (movmem12b): Use SSA compatible format.
3322 (movmem8b): Likewise.
3324 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3326 * arm.md (predicable): New attribute, default to "no".
3327 (all patterns): Mark as predicable if appropriate.
3328 (conditional execution splits): Split using predication format.
3329 (define_cond_exec): Define.
3330 * arm.c (arm_print_operand): handle insn predicate.
3332 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3334 * README.NS32K: Remove file.
3336 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3338 * README-bugs: Remove file.
3340 2000-10-08 Philipp Thomas <pthomas@suse.de>
3341 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
3343 * configure: Rebuilt.
3345 2000-10-08 Philipp Thomas <pthomas@suse.de>
3346 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
3347 disable catalog building if no suitable program was found.
3348 Move warning message from here
3349 (AM_GNU_GETTEXT): To here.
3350 * configure: Rebuilt.
3352 2000-10-08 Philipp Thomas <pthomas@suse.de>
3353 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
3354 different cache variables.
3355 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
3356 uses different cache variables.
3357 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
3358 * configure: Regenerated.
3360 2000-10-08 Richard Henderson <rth@cygnus.com>
3362 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
3363 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
3364 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
3367 * config/t-linux (SHLIB_EXT): New.
3368 (SHLIB_LINK): Use the entire build command, with substitutions.
3369 (SHLIB_LIBS): Remove.
3370 * config/alpha/t-osf4: Likewise.
3371 * config/mips/t-iris6: Likewise.
3372 * config/sparc/t-sol2: Likewise, but move shlib stuff...
3373 * config/sparc/t-slibgcc-sld: ...here.
3374 * config/sparc/t-slibgcc: New file.
3376 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3378 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
3379 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
3381 (intmax_type_node, uintmax_type_node): Define.
3382 * c-common.c (decl_attributes): If pedantic, warn if `mode'
3383 attributes create a type wider than intmax_t.
3384 (T_IM, T_UIM): Define properly.
3385 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
3387 (init_decl_processing): Initialize intmax_type_node and
3389 * c-lex.c (lex_number): When pedantic and warning for integer
3390 constants that are too large, in C99 mode warn for those that have
3391 a type wider than long long.
3393 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3395 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
3396 FMT_FLAG_FANCY_PERCENT_OK): Define.
3397 (format_char_info): Add flag "4" to comment.
3398 (format_flag_spec, format_flag_pair): New structures.
3399 (format_kind_info): Add additional fields to control format
3401 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
3402 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
3404 (time_char_table): Use "4" flag to handle %Ey.
3405 (format_types): Add entries for new fields.
3406 (get_flag_spec): New function.
3407 (check_format_info): Increase size of flag_chars[] to 256.
3408 Control format checking using the new fields of a format_kind_info
3409 and the new tables; remove all conditionals on printf_format_type,
3410 scanf_format_type or strftime_format_type. Handle all details of
3411 bad combinations of flags (including width, precision and strftime
3412 modifiers) through data rather than ad hoc code. Handle all
3413 details of standard versions in which flags appeared through
3414 data. Use the "4" flag.
3416 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
3418 * config/h8300/h8300.md: Remove the memory alternative and correct
3419 the insn lengths in the templates for sign extention and zero
3422 2000-10-07 Richard Henderson <rth@cygnus.com>
3424 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
3425 * flow.c (make_edges): Revert last change.
3427 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
3429 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
3431 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
3433 * config/alpha/elf.h: Standardize the formatting.
3435 2000-10-06 David O'Brien <obrien@FreeBSD.org>
3437 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
3440 2000-10-06 Richard Henderson <rth@cygnus.com>
3442 * function.c (diddle_return_value): Examine
3443 current_function_return_rtx instead of the DECL_RESULT.
3444 (expand_function_end): Handle reloading DECL_RESULT from memory
3445 into a hard register. Query promote_mode for sign of mismatched
3448 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3450 * haifa-sched.c (schedule_insns): Fix typo in freeing
3451 forward_dependency_cache.
3453 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3455 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
3456 `TARGET_SH2' as a condition.
3458 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3460 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
3461 forward_dependency_cache): New variables.
3462 (add_dependence, remove_dependence): Use anti_dependency_cache and
3463 output_dependency_cache.
3464 (compute_block_forward_dependences): Use forward_dependency_cache.
3465 (schedule_insns): Allocate and free memory for anti/output/forward
3466 dependencies caches.
3468 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3470 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
3471 `! TARGET_SH1'. Reindent.
3473 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3475 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
3476 Move functions from here ...
3478 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
3480 (c_expand_builtin): New function.
3481 (init_function_format_info): Don't set `check_function_format_ptr'.
3482 (c_common_nodes_and_builtins): Set built_in_class type for
3483 printf/__builtin_printf to BUILT_IN_FRONTEND.
3484 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
3486 * c-common.h (build_function_call): Declare.
3488 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
3489 to `lang_expand_expr' rather than `expand_builtin'.
3491 * tree.c (check_function_format_ptr): Delete.
3493 * tree.h (check_function_format_ptr): Likewise.
3495 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
3497 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
3498 DW_OP_bregx when cfa->reg > 31.
3500 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
3503 2000-10-05 Richard Henderson <rth@cygnus.com>
3505 * c-decl.c (warn_missing_noreturn): Remove.
3506 (c_expand_body): Don't set or check can_reach_end.
3507 * c-tree.h (warn_missing_noreturn): Move ...
3508 * flags.h: ... here.
3509 (can_reach_end): Remove.
3510 * flow.c (check_function_return_warnings): New.
3511 (make_edges): No edge to exit for noreturn sibcalls.
3512 * function.c (expand_function_end): Save the return value
3513 clobber instruction.
3514 (mark_function_status): Mark it.
3515 * function.h (struct function): Add x_clobber_return_insn.
3516 * jump.c (can_reach_end): Remove.
3517 (calculate_can_reach_end): Remove.
3518 (jump_optimize_1): Don't call it.
3519 * output.h (check_function_return_warnings): Declare.
3520 * toplev.c (warn_missing_noreturn): Move from c-decl.c
3521 (rest_of_compilation): Call check_function_return_warnings.
3523 2000-10-05 Richard Henderson <rth@cygnus.com>
3525 * Makefile.in (NM_FOR_TARGET): New.
3526 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
3527 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
3528 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
3529 shared library build on that and EXTRA_MULTILIB_PARTS.
3530 * mkmap-flat.awk: New file.
3531 * mkmap-symver.awk: New file.
3532 * libgcc-std.ver: New file.
3533 * config/libgcc-glibc.ver: New file.
3534 * config/ia64/libgcc-ia64.ver: New file.
3535 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3536 (SHLIB_LINK): Add --version-script.
3537 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
3538 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3539 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3540 (SHLIB_LINK): Add -M.
3542 2000-10-05 Richard Henderson <rth@cygnus.com>
3544 * Makefile.in (LIB2FUNCS): Add _clz.
3545 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
3546 (__clz_tab): Put in its own unit, non-static.
3547 * libgcc2.h: Always include longlong.h.
3549 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
3550 a zero instead of -1.
3551 (count_trailing_zeros): Likewise.
3553 2000-10-05 Richard Henderson <rth@cygnus.com>
3555 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
3556 when second op1 is const0_rtx. Validate op0 as a register.
3557 * config/alpha/alpha.md (setcc_internal): Don't allow constants
3558 in the first argument of the compare.
3559 (setcc_swapped_internal): Likewise.
3560 (setne_internal): Likewise.
3562 2000-10-05 Geoff Keating <geoffk@cygnus.com>
3564 * tree.c (tree_size): New function split out of copy_node.
3565 (make_node): Remove obstack handling. Use tree_size.
3566 (copy_node): Use tree_size.
3567 * tree.h: Prototype tree_size.
3569 2000-10-05 Richard Henderson <rth@cygnus.com>
3571 * diagnostic.c (output_format): Add missing break.
3573 2000-10-05 Jim Wilson <wilson@cygnus.com>
3575 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
3576 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
3577 sequence insn to INSN, and delete last sequence insn.
3579 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
3581 * gcc.c (main): Include generated configargs.h header
3582 and use arguments in '-v' output.
3584 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3586 * gcc.c: Move data on prefixes forward in file and reorganize.
3587 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
3588 Always define, but make null if no value.
3589 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
3590 and "md_startfile_prefix_1".
3591 (main): Check whether md_exec_prefix and the others are the
3592 null string rather than whether the macro is defined.
3594 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3596 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
3597 from PSImode to SImode.
3599 2000-10-05 Jakub Jelinek <jakub@redhat.com>
3601 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
3602 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
3603 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
3606 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3608 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
3609 negation in proper type.a
3611 2000-10-04 Richard Henderson <rth@cygnus.com>
3613 * configure.in (enable-shared): New.
3614 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
3615 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
3616 * mklibgcc.in: Use them to link shared a libgcc.
3617 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
3618 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
3619 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
3620 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
3622 * configure.in (alpha-osf*): Use t-osf and x-osf.
3623 * config/alpha/t-osf: New file.
3624 * config/alpha/t-osf4: New file.
3625 * config/alpha/x-osf: New file.
3626 * config/alpha/x-alpha: Remove file.
3628 2000-10-04 Will Cohen <wcohen@redhat.com>
3630 * c-typeck.c (process_init_element): Added warning for zero-length
3633 * extend.texi (Zero Length): State that static initializers for
3634 zero-length arrays are not allowed.
3636 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
3638 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
3641 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3643 * config/float-c4x.h: New.
3644 * configure.in (c4x-*): Set float_format to c4x.
3645 * configure: Regenerate.
3647 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3649 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
3650 compilation for solaris versions 2.7 and greater.
3652 2000-10-02 Marc Espie <espie@openbsd.org>
3654 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
3655 instead of redefining from scratch.
3657 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
3659 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
3661 2000-10-01 Mark Mitchell <mark@codesourcery.com>
3663 * config/ns32k/genix.h: Remove.
3664 * config/ns32k/x-genix: Likewise.
3665 * config/ns32k/xm-genix.h: Likewise.
3666 * config/fx80: Remove all filee in directory.
3667 * config/pyr: Likewise.
3668 * config/tahoe: Likewise.
3669 * config/gmicro: Likewise.
3670 * config/spur: Likewise.
3671 * configure.in: Remove configury bits for above targets.
3672 * configure: Regenerated.
3674 * configure.in: Don't configure chill by default.
3675 * configure: Regenerated.
3677 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
3678 (lang_mark_false_label_stack): Remove.
3679 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
3680 <top level> string in GC area.
3681 (mark_splay_tree_node): New function.
3682 (mark_splay_tree): Likewise.
3683 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
3685 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
3686 * ggc-common.c (lang_mark_false_label_stack): Change type.
3687 * ggc.h (ggc_alloc_string): Add comment.
3688 (ggc_strdup): New function.
3690 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
3692 * config/avr/avr.h (BRANCH_COST): Define as 0.
3694 * config/pdp11/pdp11.c: #include "tree.h" added.
3696 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
3698 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
3699 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
3700 with known shift count.
3701 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
3702 New alternative for shift count 2 with no scratch register.
3703 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
3704 "set_n" for shift counts 1 and 2.
3706 2000-09-30 Geoff Keating <geoffk@cygnus.com>
3708 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
3709 the mask value from the individual SET operations.
3710 (return_internal_si): Move the USE after the RETURN.
3711 (return_internal_di): Likewise.
3712 (return_and_restore_fpregs_si): Likewise.
3713 (return_and_restore_fpregs_di): Likewise.
3714 (return_eh_si): Likewise.
3715 (return_eh_di): Likewise.
3716 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
3718 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
3719 Don't generate a PARALLEL around a single operation movsi_to_cr.
3720 Generate the RETURN first in any PARALLELs.
3722 * rtlanal.c (single_set_1): Use fatal_insn to display the
3723 invalid insn. Check for more cases when a USE or CLOBBER occurs
3725 * Makefile.in: Update dependencies for rtlanal.o.
3727 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
3729 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
3731 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
3733 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
3734 Consistently use @email for formatting email addresses.
3736 2000-09-29 Richard Henderson <rth@cygnus.com>
3738 * cse.c (notreg_cost): New argument outer.
3739 (COST): Pass in SET to notreg_cost
3741 (fold_rtx): Use COST_IN. Prefer constants when costs
3744 2000-09-29 David Edelsohn <edelsohn@gnu.org>
3746 * fixinc/inclhack.def (broken_cabs): Generalize regex.
3747 * fixinc/fixincl.x: Regenerate.
3749 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3751 * loop.c (check_final_value): A GIV is not replaceable if used
3754 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
3756 * version.c: Bump to gcc-2.97.
3758 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
3760 * final.c (final_scan_insn): Remove extra extract_insn call;
3761 Use caching for constrain_operands.
3762 (cleanup_subreg_operands): Use caching for extract_insn.
3763 * recog.c (constrain_operands_cached): New.
3764 * recog.h (constrain_operands_cached): Declare.
3765 * i386.c (ix86_attr_length_immediate_default,
3766 ix86_attr_length_address_default, ix86_agi_dependant): Cache
3769 * recog.c (asm_noperands): Tweak.
3770 (extract_insn): Do not call asm_noperads for non-asm instructions.
3772 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3774 * recog.c (recog_memoized): Rename to recog_memoized_1.
3775 * recog.h (recog_memoized): Rename to recog_memoized_1.
3776 (recog_memoized): New macro.
3777 * rtl.h (single_set): Rename to single_set_1
3778 (single_set): New macro.
3779 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
3782 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
3783 Do not use match_dup of input operands at outputs.
3784 Use register_operand for memory expression.
3785 (rep_movsi): Put use last, canonicalize.
3786 Use register_operand for memory expression.
3787 (rep_movqi): Put use last.
3788 Use register_operand for memory expression.
3789 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
3790 of input operands at outputs. Use register_operand for memory
3792 (rep_stossi): Put use last; canonicalize; fix match_dup in
3793 the address expression
3794 (rep_stosqi): Likewise.
3795 (memcmp expander): Update calls.
3796 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
3799 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
3801 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
3803 2000-09-28 David O'Brien <obrien@FreeBSD.org>
3805 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
3806 Contains the old contents of config/i386/freebsd.h
3807 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
3808 Contains the old contents of config/i386/freebsd-elf.h
3809 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
3810 config/i386/freebsd.h.
3811 * configure.in: Adjust for above changes.
3812 * po/POTFILES.in: Likewise.
3813 * po/en_GB.po: Likewise.
3814 * po/gcc.pot: Likewise.
3815 * configure: Rebuilt.
3817 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3819 * doloop.c (doloop_modify): Prevent delete_insn() from
3820 deleting too much. Prefer loop->top over loop->start as
3821 target for the new JUMP insn.
3822 (doloop_valid_p): Ignore loop with exit_count != 0.
3824 2000-09-28 Philipp Thomas <pthomas@suse.de>
3826 * invoke.texi (i386 Options): Add athlon to table of possible
3829 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
3831 * diagnostic.h (output_clear_message_text): New function.
3832 (output_message_text): New macro.
3834 * diagnostic.c (clear_text_info): Rename to
3835 output_clear_message_text.
3836 (output_clear): Adjust.
3837 (output_finish): Rename to output_finalize_message. Tweek.
3838 (output_to_stream): Adjust.
3840 2000-09-28 Neil Booth <neilb@earthling.net>
3842 * cpperror.c (_cpp_begin_message): Do the test for suppression
3843 of warnings and pedantic warnings before the "is a warning an
3845 * cppinit.c (cpp_handle_option): Remove surplus \n.
3846 * cpplex.c (ON_REST_ARG): Delete.
3847 (skip_block_comment): Initialise prevc.
3848 (parse_args): Improve error messages.
3849 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
3851 * cpplib.c (cpp_push_buffer): Fix grammar in message.
3852 * cppmain.c (main): Set callbacks for #ident and #pragma
3853 only if no_output option is false.
3854 (do_pragma_implementation): Only call the #pragma handler
3855 if it is set in the cpp_reader structure.
3857 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
3859 * integrate.c (copy_insn_list): if an ignored return value
3860 is being clobbered, skip cloning that into the inline copy.
3862 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
3864 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
3865 use @uref for formatting URLs.
3867 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
3869 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
3872 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
3874 * gcc.c (cpp_options): Add spec for -ftabstop=.
3875 (invoke_as): New spec that handles invoking as.
3876 Update specs to handle -save-temps and -traditional.
3877 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
3879 * cp/lang-specs.h, objc/lang-specs.h: Update to use
3880 invoke_as, and handle -save-temps and -traditional (if
3883 2000-09-26 Jakub Jelinek <jakub@redhat.com>
3885 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
3887 (function_arg_slotno): Accept TImode/CTImode.
3888 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
3891 2000-09-26 Michael Hayes <mhayes@cygnus.com>
3893 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
3896 2000-09-25 Jim Wilson <wilson@cygnus.com>
3898 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
3899 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
3900 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
3901 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
3903 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
3905 * cpplex.c (parse_args): Don't set VOID_REST flag.
3906 (CONTEXT_VARARGS): New flag.
3907 (maybe_paste_with_next): Set context earlier in loop. Use
3908 it. Do varargs test with CONTEXT_VARARGS flag.
3909 (push_arg_context): Set CONTEXT_VARARGS flag if we're
3910 pushing an argument context for a varargs argument.
3911 * cpplib.h (VOID_REST): Delete.
3912 * gcc.dg/cpp/vararg1.c: Add test case.
3914 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
3916 * flags.h: Declare warning flag warn_system_headers.
3917 * toplev.c: Define it.
3918 (W_options): Add option -Wsystem-headers.
3919 * diagnostic.c (count_error): Test warn_system_headers.
3920 * invoke.texi: Add description for -Wsystem-headers.
3921 * cpplib.h (cpp_options): New member warn_system_headers.
3922 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
3923 CPP_IN_SYSTEM_HEADER.
3924 * cpplib.c (do_import, do_pragma_once): Likewise.
3925 * cpperror.c (_cpp_begin_message): Test warn_system_headers
3926 and CPP_IN_SYSTEM_HEADER.
3927 * cppinit.c (handle_option): Recognize -Wsystem_headers.
3928 (print_help): Describe -Wsystem_headers.
3929 * cpplex.c (lex_line): Reorganize condition so that warnings
3930 about C++ comments in system headers can be enabled. Remove
3931 label do_line_comment.
3933 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
3935 * cpplex.c (save_comment): Only store the initial '/'
3937 (lex_token): Combine handling of the two comment types.
3938 Pass everything but the initial '/' to save_comment.
3940 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
3942 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
3943 _cpp_can_paste): New library-internal prototypes.
3944 * cpplex.c (dump_param_spelling, output_line_command,
3945 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
3946 cpp_printf, cpp_output_list): Move to cppoutput.c.
3947 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
3948 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
3950 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
3951 dump_param_spelling, output_line_command, cpp_scan_buffer,
3952 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
3954 * Makefile.in: Add cppoutput.c.
3955 * po/POTFILES.in: Add cppoutput.c.
3957 2000-09-25 Richard Henderson <rth@cygnus.com>
3959 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
3960 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
3961 split until after reload.
3962 (rotlsi3, rotldi3): New.
3964 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
3966 * diagnostic.c (output_last_position): Define.
3967 (set_real_maximum_length): Tweek.
3968 * diagnostic.h (output_last_position): Declare.
3970 2000-09-25 Kazu Hirata <kazu@hxi.com>
3972 * config/i386/i386.c: Fix formatting.
3974 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
3976 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
3977 UNITS_PER_WORD is small.
3979 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
3981 * c-common.c (format_char_info): Add flags2; update comments.
3982 (print_char_table, scan_char_table, time_char_table): Split some
3983 flags out into flags2.
3984 (check_format_info): Use flags2 for those flags, for identifying
3985 the initial character of a scanf scanset, and for identifying
3986 printf formats where the '0' flag is ignored with precision.
3988 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
3990 Changes below marked "here" add TABs on either or both sides,
3991 covering start of line, up to any operand for all noted .*ASM.*_OP
3992 definitions. All callers changed.
3993 * tm.texi: Make documented *_ASM.*_OP:s include spacing
3994 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
3995 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3996 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
3997 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
3998 Fix typos in description for LONG_LONG_TYPE_SIZE and
3999 FINI_SECTION_ASM_OP.
4000 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
4001 why these defaults don't have leading spacing.
4002 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
4003 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4004 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
4005 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
4006 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
4007 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
4008 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
4009 * varasm.c (ASM_STABS_OP): Here.
4010 * xcoffout.h (ASM_STABS_OP): Here.
4011 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4012 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4013 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
4014 STRING_ASM_OP): Here.
4015 * config/freebsd.h (IDENT_ASM_OP): Here.
4016 * config/linux-aout.h (SET_ASM_OP): Here.
4017 * config/linux.h (SET_ASM_OP): Here.
4018 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4020 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4021 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
4022 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4023 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4025 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4026 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4027 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
4028 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4029 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
4030 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4031 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
4032 * config/a29k/udi.h (INT_ASM_OP): Here.
4033 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
4034 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4036 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
4037 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4038 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4039 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
4040 ASM_STABD_OP): Here.
4041 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
4042 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
4043 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4044 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
4045 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
4046 SIZE_ASM_OP, STRING_ASM_OP): Here.
4047 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
4048 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
4049 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
4050 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
4051 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
4052 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
4054 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4055 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
4056 * config/arm/coff.h (INT_ASM_OP): Here.
4057 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4058 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
4059 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
4060 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
4061 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4062 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4063 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
4064 STRING_ASM_OP): Here. Update documentation copy in comments.
4065 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
4066 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
4067 DATA_SECTION_ASM_OP): Here.
4068 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
4070 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
4071 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4072 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4073 BSS_SECTION_ASM_OP): Here.
4074 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4075 BSS_SECTION_ASM_OP): Here.
4076 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4078 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
4079 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4080 * config/h8300/h8300.h (ASM_WORD_OP): Here.
4081 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4082 BSS_SECTION_ASM_OP): Here.
4083 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
4084 * config/i386/bsd.h (ASM_BYTE_OP): Here.
4085 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
4086 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
4087 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
4089 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
4090 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
4092 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
4093 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4094 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
4095 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4097 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
4098 * config/i386/netbsd.h (INT_ASM_OP): Here.
4099 * config/i386/openbsd.h (INT_ASM_OP): Here.
4100 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
4101 IDENT_ASM_OP): Here.
4102 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
4103 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
4104 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
4105 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
4106 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
4107 SHARED_BSS_SECTION_ASM_OP): Here.
4108 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
4109 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4110 DATA_SECTION_ASM_OP): Here.
4111 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4112 CONST_SECTION_ASM_OP): Here.
4113 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
4114 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4115 BSS_SECTION_ASM_OP): Here.
4116 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
4117 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
4118 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
4119 BSS_ASM_OP): Here, but use trailing spaces.
4120 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4121 DATA_SECTION_ASM_OP): Here.
4122 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
4124 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
4125 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
4126 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4127 TDESC_SECTION_ASM_OP): Here.
4128 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
4129 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4130 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4132 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4133 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4134 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4135 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4136 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
4137 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
4138 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4139 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
4140 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
4141 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
4142 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4143 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4145 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4146 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4147 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
4148 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
4149 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
4150 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
4151 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
4152 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4153 GLOBAL_ASM_OP): Here.
4154 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
4155 BSS_SECTION_ASM_OP): Here.
4156 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
4157 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4158 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
4159 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
4161 * config/m68k/newsgas.h (SET_ASM_OP): Here.
4162 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
4163 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4164 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4165 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4166 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
4167 but use trailing spaces.
4168 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
4169 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
4170 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
4172 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4173 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4174 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4175 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4176 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4177 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
4178 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
4179 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
4180 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
4181 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
4182 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4183 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
4185 * config/m88k/openbsd.h (SET_ASM_OP): Here.
4186 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4187 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4188 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
4189 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
4190 DTORS_SECTION_ASM_OP): Here.
4191 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
4192 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4193 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
4194 BSS_SECTION_ASM_OP): Here.
4195 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
4196 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
4197 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
4198 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
4199 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
4200 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4201 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
4202 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
4204 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
4206 * config/mips/osfrose.h (SET_ASM_OP): Here.
4207 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
4208 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
4209 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
4210 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4212 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
4213 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
4214 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
4215 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
4216 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
4217 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4219 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4221 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
4222 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
4223 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
4225 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
4226 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
4227 * config/sparc/linux.h (COMMON_ASM_OP): Here.
4228 * config/sparc/linux64.h (COMMON_ASM_OP,
4229 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4230 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
4231 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4232 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
4233 * config/sparc/pbd.h (ASM_INT_OP): Here.
4234 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
4235 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4236 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
4237 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
4238 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
4239 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
4240 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
4241 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
4242 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
4243 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4244 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4245 EH_FRAME_SECTION_ASM_OP): Here.
4246 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
4247 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4249 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4251 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
4252 TCOMMON_ASM_OP): Here.
4253 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4255 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4258 2000-09-25 Richard Henderson <rth@cygnus.com>
4260 * expmed.c (store_bit_field): Adjust last change to not consider
4261 any word-sized field naturally aligned.
4263 2000-09-24 Richard Henderson <rth@cygnus.com>
4265 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
4266 TFmode unordered compares properly. Revalidate integer compare
4268 (alpha_emit_setcc): New.
4269 (alpha_emit_conditional_move): Revalidate integer compare operands.
4270 * config/alpha/alpha-protos.h: Update.
4271 * config/alpha/alpha.md (cmpdi): Allow general operands.
4272 (sne): Use alpha_emit_setcc.
4273 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
4274 (sunordered, sordered): New.
4276 2000-09-24 Richard Henderson <rth@cygnus.com>
4278 * config/ia64/ia64-protos.h: Update.
4279 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
4280 (ia64_expand_call): New.
4281 (ia64_expand_prologue): Emit an alloc if we need extra input
4283 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
4284 instruction if true.
4285 (struct reg_flags): Add is_sibcall.
4286 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
4287 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
4288 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
4289 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4290 * config/ia64/ia64.md (call): Use ia64_expand_call.
4291 (call_value): Likewise.
4292 (sibcall, sibcall_value): New.
4293 (call patterns): Remove extra expanders; tidy.
4294 (sibcall_epilogue): New.
4295 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
4297 2000-09-24 Richard Henderson <rth@cygnus.com>
4299 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
4301 * sibcall.c (skip_pic_restore): New.
4302 (identify_call_return_value): Use it.
4304 2000-09-24 Mark Mitchell <mark@codesourcery.com>
4306 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
4307 functions. Generalize to handle both C and C++.
4308 * Makefile.in (c-tree.info): New target.
4309 (info): Add c-tree.info.
4311 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4313 * expr.c (store_field): If BITSIZE is negative, use size of type.
4314 (expand_expr, case COMPONENT_EXPR): Likewise.
4316 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
4318 * cpplex.c: Update TODO comment.
4319 * cpplib.c (do_error, do_warning): Merge common code of
4320 do_error and do_warning into do_diagnostic. Use it.
4321 (do_diagnostic): New function.
4322 * cpplib.h: Fix comment typo.
4324 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4326 * c-common.c (check_format_info): Warn for a wide character string
4327 used as a non-wide format argument.
4329 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4331 * builtins.def (BUILT_IN_LLABS): Add.
4332 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
4333 * c-common.c (c_common_nodes_builtins): Create builtin functions
4334 __builtin_llabs, and plain llabs unless no_nonansi_builtins
4335 outside of C99 mode.
4336 (expand_tree_builtin): Handle BUILT_IN_LLABS.
4338 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
4340 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
4341 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
4342 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
4343 _cpp_free_toklist): No need to worry about extra dummy token
4344 at the start of token lists any more.
4345 (trigraph_ok): Only warn outside comments.
4346 (skip_block_comment): Set and clear lexing_comment.
4347 (skip_line_comment): Take a cpp_reader not cpp_buffer.
4348 Set and clear lexing_comment.
4349 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
4350 (check_long_token): Delete.
4351 (lex_percent, lex_dot): New subroutines of lex_token to
4352 handle lexing of '.' and '%' without lookback.
4353 (lex_token): Use lex_dot and lex_percent.
4354 (lex_line): Don't check for LIST_OFFSET.
4355 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
4356 * cpplib.c (_cpp_parse_assertion): Similarly.
4357 (cpp_push_buffer): Initialize extra_char.
4358 * cpplib.h (LIST_OFFSET): Delete.
4359 (struct cpp_buffer): New member extra_char.
4360 (struct lexer_state): New members lexing_comment and seen_dot.
4362 2000-09-23 Jason Merrill <jason@redhat.com>
4364 * config/rs6000/x-aix41 (CLIB): Define here.
4365 * config/rs6000/t-aix43: Not here.
4366 * config/rs6000/t-aix41: Or here. Remove.
4367 * configure.in: Don't use it.
4369 2000-09-22 Jason Merrill <jason@redhat.com>
4371 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
4372 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
4373 * config.in: Regenerate.
4375 * configure.in: Fix checks for assembler features when using a
4376 one-tree assembler that has not yet been built.
4377 Fix --disable-threads.
4379 2000-09-19 Geoff Keating <geoffk@cygnus.com>
4381 * stmt.c (expand_asm_operands): Allow # in constraints.
4383 2000-09-22 Jason Merrill <jason@redhat.com>
4385 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
4387 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
4388 function-local names.
4390 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
4391 Mark Mitchell <mark@codesourcery.com>
4393 * toplev.c (warn_disabled_optimization): Declare new warning flag.
4394 * flags.h (warn_disabled_optimization): Add it here.
4395 * gcse.c (gcse_main): Add warning when disabled.
4396 * invoke.texi: Document -Wdisabled-optimization.
4398 2000-09-21 Jason Merrill <jason@redhat.com>
4400 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
4402 * dwarf2out.c (tree_add_const_value_attribute): New fn.
4403 (gen_variable_die): Call it for non-definitions.
4405 * dwarf2out.c (die_struct): Add die_mark field.
4406 (mark_dies, unmark_dies): New fns.
4407 (clear_die_sizes): Remove.
4408 (print_die): Check die_symbol rather than die_offset.
4409 (build_abbrev_table, output_pubnames, output_aranges): Check
4410 die_mark rather than die_offset.
4411 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
4414 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
4416 * cppfiles.c (lookup_include_file): Rename to open_file.
4417 Always create a splay tree value, even on syscall failures.
4418 Negative entries indicated by fd == -2.
4419 Re-open files closed in the meantime.
4420 (_cpp_fake_include): Create a negative splay tree entry.
4421 (find_include_file, cpp_read_file): Update for function name
4423 * gcc.gd/cpp/mi4.c: Testcase.
4425 2000-09-21 Nick Clifton <nickc@redhat.com>
4427 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
4428 ARM and THUMB modes.
4430 * config/mcore/mcore.c: Fix compile time warnings.
4431 * config/mcore/mcore-protos.h: Fix compile time warnings.
4433 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4435 * configure.in: Correct test of gcc_cv_glibc.
4436 * configure: Rebuilt.
4437 * config.in: Rebuilt.
4439 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4441 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
4442 (expand_builtin): Handle BUILT_IN_FWRITE.
4444 * builtins.def (BUILT_IN_FWRITE): New entry.
4446 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
4448 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4450 * gcc.c (modify_target): New variable and struct.
4451 (process_command): Handle MODIFY_TARGET_NAME.
4452 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
4453 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
4455 * c-decl.c (finish_decl): Add else's to avoid referencing
4456 TYPE_DOMAIN of an ERROR_MARK.
4458 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
4460 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
4463 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
4465 * config/avr/avr.md (neghi2): Add alternative for input and output
4466 operands in different registers, as in negsi2.
4467 (*negsi2): Remove '*' from the name. Use "movw" if available.
4469 2000-09-19 Jim Wilson <wilson@cygnus.com>
4471 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
4472 HAVE_GAS_HIDDEN macro.
4474 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
4476 * cpplex.c (lex_line): Drop the EOF token for unknown
4477 directives in assembler.
4479 2000-09-19 David Edelsohn <edelsohn@gnu.org>
4481 * configure.in: Allow enable_threads_flag value of "aix". Define
4482 thread_file as "aix" for AIX 4.3 and above.
4483 * configure: Regenerated.
4485 * gthr-aix.h: New file.
4487 * rs6000/t-aix43: Replace soft-float multilib with pthread.
4488 Remove 403 processor multilib match. Fix rios2 processor multilib
4491 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
4492 to return to appropriate csect.
4494 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4496 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
4498 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
4499 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
4502 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
4505 * c-common.c (init_function_format_info): Handle __builtin_printf.
4506 Set `check_function_format_ptr'.
4507 (c_common_nodes_and_builtins): Set `puts_ftype' and
4508 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
4509 __builtin_printf and printf.
4511 * tree.c, tree.h (check_function_format_ptr): Declare.
4513 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
4515 * cppfiles.c (read_include_file): Take no special action for
4518 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
4520 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
4521 rather than that of branch.
4522 (shorten_branches): Don't increment insn_current_address twice.
4524 Undo most of the Wed Jan 27 23:39:53 1999 patch:
4525 * loop.h (struct induction): Delete members derived, ix and last_use.
4526 (struct loop_ivs): Delete members first_increment_giv and
4528 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
4529 recombine_givs): Delete functions.
4530 (find_and_verify_loops): Don't initialize cont_dominator.
4531 (strength_reduce): Lose code to try to find bivs that can be
4532 expressed as givs of another biv, and to convert biv increments
4534 Lose loop_scan_start variable, always use loop->scan_start.
4535 Don't call recombine_givs. Don't handle derived givs.
4536 (record_giv): Don't initialize derived and last_use fields.
4537 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
4539 * unroll.c (derived_regs): Delete static variable.
4540 (unroll_loop): Don't initialize it.
4541 (copy_loop_body): Lose code to handle derived givs.
4542 (find_splittable_givs): Don't check for givs made from biv
4544 Don't set derived_regs.
4546 Fix misapplied earlier patch:
4547 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
4549 (floatsisf2): Generate floatsisf_ie by default.
4550 (floatsisf_i4): Conditional on TARGET_SH4.
4552 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
4553 predicate for the expanders.
4555 2000-09-19 Richard Henderson <rth@cygnus.com>
4557 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
4558 in addition to pentium and pentiumpro symbols.
4559 (CPP_CPU_DEFAULT_SPEC): Likewise.
4561 * c-typeck.c (c_expand_asm_operands): Restore the output tree
4564 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
4565 if the tree has side effects.
4566 (warn_if_unused_value): Do not warn about void constructs.
4568 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
4570 * unroll.c (copy_loop_body): Update LABEL_NUSES before
4571 calling invert_jump.
4573 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4575 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
4578 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4580 * Makefile.in (c-common.o): Depend on diagnostic.h.
4582 * c-common.c: Include diagnostic.h.
4584 (status_warning): New function.
4585 (check_format_info, maybe_read_dollar_number, check_format_types,
4586 finish_dollar_format_checking, check_function_format): Accept a
4587 `status' parameter. All callers changed.
4589 * c-common.h (check_function_format): Accept a `status' parameter.
4591 * c-typeck.c: Update call to `check_function_format'.
4593 2000-09-18 Richard Henderson <rth@cygnus.com>
4595 * c-decl.c (c_expand_body): Call mark_varargs before
4596 expand_function_start.
4598 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4600 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
4601 * config/rs6000/eabi-ci.asm: Likewise.
4603 2000-09-18 Richard Henderson <rth@cygnus.com>
4605 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
4608 2000-09-18 Jim Wilson <wilson@cygnus.com>
4610 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
4611 before passing it to fold_rtx_mult_add.
4613 * unroll.c (final_giv_value): Pass increment through
4614 extend_value_for_giv before passing it to emit_iv_add_mult.
4616 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
4617 paradoxical subreg, then directly substitute the replacement and
4620 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
4622 * cpp.texi: Update documentation, including some clarifications,
4623 the treatment of various newline combinations, and space between
4624 backslash and newline.
4626 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4628 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
4629 Replace ASM_OUTPUT_LABELREF with assemble_name.
4631 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4633 * sh.c (addsubcosts): CONST is not cheap.
4634 (find_barrier): For Sh1, take alignment after jumps into account.
4636 2000-09-15 Andrew Haley <aph@redhat.com>
4638 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
4639 remove all SETs of SUBREGs of hard registers.
4640 * function.c (purge_hard_subreg_sets): New function.
4641 (purge_single_hard_subreg_set): New function.
4642 * rtl.h: (purge_hard_subreg_sets): New function.
4644 2000-09-18 Richard Henderson <rth@cygnus.com>
4646 * config/ia64/ia64-protos.h: Update.
4647 * config/ia64/ia64.c (signed_inequality_operator): New.
4648 (ia64_expand_compare): New.
4649 (ia64_register_move_cost): Handle PR_REGS moves.
4650 (ia64_secondary_reload_class): Require a GR when moving to a PR.
4651 (struct reg_write_state): Add written_by_and/or.
4652 (struct reg_flags): Add is_and/or.
4653 (rws_update): Set them.
4654 (rws_access_regno): Test them to allow parallel comparisons.
4655 (rtx_needs_barrier): Recognize parallel comparisons.
4656 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
4657 Call recog_memoized; ignore pred_rel_mutex.
4658 (emit_predicate_relation_info): Don't call find_basic_blocks here.
4659 (ia64_reorg): Do it here instead.
4660 * config/ia64/ia64.h: s/CCmode/BImode/g
4661 (MODES_TIEABLE_P): Don't tie BImode.
4662 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
4663 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
4664 (RTX_COSTS): Make multiply 4 insns.
4665 (MEMORY_MOVE_COST): New.
4666 (PREDICATE_CODES): Update.
4667 * config/ia64/ia64.md: s/CCmode/BImode/g
4668 (movcci, movbi): New.
4669 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
4670 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
4671 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
4672 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
4673 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
4674 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
4675 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
4676 (mulsi, muldi): Use xmpy not xma.
4678 (movcc, movcc_internal): Remove.
4679 (branch expanders): Use ia64_expand_compare.
4680 (setcc expanders): Likewise.
4681 (cmov insns): Use move_operand and ia64_move_ok.
4682 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
4683 scheduler from moving it past a use.
4684 * config/ia64/build.hacks: Remove.
4686 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
4688 * cpphash.h (HASHSTEP): Take character rather than pointer
4690 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
4692 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
4694 * cpplex.c (auto_expand_name_space, trigraph_replace,
4695 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
4696 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
4697 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
4698 KNOWN_DIRECTIVE): Delete.
4700 (handle_newline, check_long_token, skip_escaped_newlines,
4701 unterminated): New functions.
4702 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
4704 (parse_identifier): Was parse_name, new implementation.
4705 (skip_line_comment, skip_block_comment, skip_whitespace,
4706 parse_number, parse_string, trigraph_ok, save_comment,
4707 adjust_column, _cpp_get_line): New implementations.
4709 (lex_token): New function. Lexes a token at a time, looking
4710 forwards. Contains most of the guts of the old lex_line.
4711 (lex_line): New implementation, using lex_token to obtain
4713 (cpp_scan_buffer): Use the token's line, not the list's line.
4715 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
4716 New implementations.
4717 (do_assert): Don't bother setting the answer's list's line.
4718 (cpp_push_buffer): Initialise new pfile and read_ahead members
4719 of struct cpp_buffer.
4721 * cpplib.h (cppchar_t): New typedef.
4722 (struct cpp_buffer): read_ahead, pfile and col_adjust are
4724 (struct lexer_state): New structure that determines the state
4725 and behaviour of the lexer.
4726 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
4727 (struct cpp_reader): New member "state". Rename
4728 multiline_string_line and multiline_string_column. Delete
4729 col_adjust, in_lex_line members.
4730 (CPP_BUF_COLUMN): Update.
4732 2000-09-18 Richard Henderson <rth@cygnus.com>
4734 * combine.c (simplify_comparison): Shift a NOT out of a single
4737 * combine.c (if_then_else_cond): Canonicalize BImode true to
4739 * explow.c (trunc_int_for_mode): Likewise.
4741 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
4742 the NOT for De Morgan's rule.
4743 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
4744 of a comparison to the reverse comparison.
4746 * combine.c (try_combine): Allow split to create a single insn.
4748 * machmode.def: Add BImode. Add a column for bitsize.
4749 * machmode.h (DEF_MACHMODE): Adjust for extra column.
4750 (GET_MODE_BITSIZE): Use it.
4751 * rtl.c (DEF_MACHMODE): Adjust for extra column.
4752 (mode_bitsize): New.
4753 (mode_mask_array): Use bitsize.
4754 * combine.c (combine_simplify_rtx): Require inner and outer
4755 modes to match on nonzero_bits optimizations.
4757 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
4759 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
4760 its entry in spill_reg_store.
4761 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
4762 * sh.c (reg_no_subreg_operand): New function.
4763 * sh-protos.h (reg_no_subreg_operand): Declare it.
4764 * sh.h (PREDICATE_CODES): Add it.
4765 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
4766 input operand that needs to be in fpul.
4767 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
4768 * sh.c (find_barrier): Take into account that machine_dependent_reorg
4769 might add new insns.
4771 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
4773 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
4775 (sh_expand_epilogue): Take the PIC register into account when
4776 computing the frame size.
4778 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
4779 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
4780 LABEL_REFs with a PIC-safe unspec.
4782 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4784 * c-common.c (check_format_info): Properly save the argument
4785 number and parameter for $ operand number formats in case width
4786 and precision arguments are also used. Allow printf width and
4787 precision arguments to have operand numbers even if none was
4788 specified for the main format, since this is OK for %*.*m. Only
4789 object to missing $ operand number if the format used requires an
4792 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4794 * c-common.c (format_char_info): Add 'W' flag to comment.
4795 (print_char_table, scan_char_table): Use it.
4796 (check_format_info): Use the 'W' flag to determine whether a
4797 format argument is written into.
4799 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4801 * c-common.c (check_format_types): Reorganise and clean up,
4802 checking earlier for ERROR_MARKs and making cur_type into its
4803 TYPE_MAIN_VARIANT where convenient.
4805 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4807 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
4809 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
4811 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
4813 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
4814 * i386.c (struct builtin_description): New.
4815 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
4816 (mmx_reg_operand): Declare MODE arg as unused.
4817 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
4818 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
4819 ix86_expand_binop_builtin, ix86_expand_store_builtin,
4820 ix86_init_builtins, ix86_expand_builtin): New functions.
4821 * i386.h (ix86_builtins): New enumeration.
4822 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
4823 * i386.md (attr length_immediate): 0 for mmx/sse types.
4824 (attr prefix_0f): 1 for mmx/sse types.
4825 (setcc_2): Remove "*" so we get gen_setcc_2.
4826 (emms): Account for changed register numbering. Set "memory" attr
4828 (sfence): Set "memory" attr to unknown.
4830 2000-09-18 Andreas Jaeger <aj@suse.de>
4832 * configure.in: Define _GNU_SOURCE only when using the GNU C
4834 * configure: Regenerated.
4835 * config.in: Regenerated.
4837 2000-09-17 Mark Mitchell <mark@codesourcery.com>
4839 * cppinit.c (cpp_init): Don't use ANSI prototypes.
4840 * flow.c (flow_dump_loop): Likewise.
4841 (flow_loops_dump): Likewise.
4843 * c-typeck.c (c_start_case): Fix typo.
4845 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
4847 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
4848 to int for plain complex which defaults to complex double. Do
4849 warn about defaulting to complex double if pedantic. Warn about
4850 complex integer types if pedantic. Warn about complex types if
4851 pedantic and not in C99 mode.
4852 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
4853 for complex conjugation.
4855 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
4857 * contrib.texi: Update my entry.
4859 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
4861 * config/avr/avr.md (mcu_enhanced): New attribute.
4862 (mcu_mega): Likewise.
4863 (extendhisi2): Use mcu_enhanced.
4864 (zero_extendhisi2): Likewise.
4865 (call_insn): Use mcu_enhanced and mcu_mega.
4866 (call_value_insn): Likewise.
4867 (*sbrx_branch): Use mcu_mega.
4868 (*sbrx_and_branchsi): Likewise.
4869 (*sbrx_and_branchhi): Likewise.
4870 (*tablejump_lib): Likewise.
4872 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4874 * alias.c (true_dependence): Allow non-unchanging read to conflict
4875 with unchanging write.
4877 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
4878 (store_constructor): Pass alias_set to it.
4880 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
4881 TYPE_MAIN_VARIANT of ERROR_MARK.
4882 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
4884 * simplify-rtx.c (simplify_unary_operation): Add cases
4885 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
4887 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
4889 * expr.h (emit_library_call, emit_library_call_value): Delete
4891 * rtl.h (enum libcall_type): New.
4892 (emit_library_call, emit_library_call_value): Change fn_type arg to
4893 be of type enum libcall_type.
4894 * calls.c: Likewise for the function definitions. Several callers
4895 throughout changed to use the new enumeration appropriately.
4896 (emit_library_call_value_1): Likewise. Put back code to make libcall
4897 blocks of equal form, but only use it for the two new higher
4900 2000-09-16 Mark Mitchell <mark@codesourcery.com>
4902 Convert the C front-end to use function-at-a-time mode.
4903 * c-common.h: Include splay-tree.h.
4904 (C_DECLARED_LABEL_FLAG): New macro.
4905 (struct language_function): Add x_scope_stmt_stack and
4906 x_function_name_declared_p.
4907 (RECHAIN_STMTS): Move definition.
4908 (lang_statment_code_p): Likewise.
4909 (lang_expand_stmt): Likewise.
4910 (lang_expand_decl_stmt): New variable.
4911 (lang_expand_function_end): Likewise.
4912 (current_scope_stmt_stack): New function.
4913 (add_decl_stmt): Likewise.
4914 (add_scope_stmt): Likewise.
4915 (mark_stmt_tree): Likewise.
4916 (struct c_lang_decl): New structure.
4917 (DECL_SAVED_TREE): Define.
4918 (c_mark_lang_decl): New function.
4919 (c_expand_start_cond): Change prototype.
4920 (c_finish_then): New function.
4921 (c_finish_else): Likewise.
4922 (current_function_name_declared): Remove.
4923 (set_current_function_name_declared): Likewise.
4924 (mark_c_language_function): Declare.
4925 (case_compare): Likewise.
4926 (c_add_case_label): Likewise.
4927 (c_expand_expr): Likewise.
4928 (c_safe_from_p): Likewise.
4929 * c-common.c (lang_expand_function_end): New variable.
4930 (struct if_elt): Add if_stmt.
4931 (c_expand_start_cond): Add the if-statement to the statement-tree,
4932 rather than generating RTL.
4933 (c_finish_then): New function.
4934 (c_expand_start_else): Don't generate RTL.
4935 (c_finish_else): New function.
4936 (c_expand_expr_stmt): Don't generate RTL.
4937 (statement_code_p): Add SCOPE_STMT.
4938 (case_compare): New function.
4939 (c_add_case_label): Likewise.
4940 (mark_stmt_tree): Likewise.
4941 (c_mark_lang_decl): Likewise.
4942 (mark_c_language_function): Likewise.
4943 (c_expand_expr): Likewise.
4944 (c_safe_from_p): Likewise.
4945 * c-decl.c (c_stmt_tree): New variable
4946 (c_scope_stmt_stack): Likewise.
4947 (c_function_name_declared_p): Likewise.
4948 (lang_expand_expr_stmt): Remove.
4949 (poplevel): Don't call output_inline_function for nested
4951 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
4953 (redeclaration_error_message): Change means of computing whether
4954 or not a function is nested.
4955 (lookup_label): Don't call label_rtx.
4956 (init_decl_processing): Add more GC roots.
4957 (start_decl): Add DECL_STMTs to the statement-tree, rather than
4958 calling rest_of_decl_compilation.
4959 (finish_decl): Don't call expand_decl.
4960 (store_parm_decls): Begin the statement-tree, but don't generate
4962 (finish_function): Tie off the statement-tree. Call c_expand_body
4964 (c_expand_body): New function.
4965 (push_c_function_context): Save more information.
4966 (pop_c_function_contxt): Likewise.
4967 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
4968 (lang_mark_tree): Mark it.
4969 (current_stmt_tree): Adjust.
4970 (current_scope_stmt_stack): New function.
4972 (set_current_name_declared): Likewise.
4973 (c_begin_compound_stmt): Define.
4974 (c_expand_decl_stmt): Likewise.
4975 * c-lang.c: Include rtl.h and expr.h.
4976 (lang_init): Set more language-specific hooks.
4977 * c-lex.c: Include expr.h.
4978 * c-parse.in: Changes throughout to add statements to the
4979 statement-tree, rather than generating RTL after every statement.
4980 * c-semantics.c (lang_expand_decl_stmt): Define.
4981 (add_decl_stmt): New function.
4982 (add_scope_stmt): Likewise.
4983 (finish_stmt_tree): Tweak.
4984 (genrtl_expr_stmt): Likewise.
4985 (genrtl_decl_stmt): Handle local labels, and call
4986 lang_expand_decl_stmt if required.
4987 (genrtl_for_stmt): Fix line-number handling.
4988 (genrtl_case_label): Handle cleanups.
4989 (genrtl_asm_stmt): Don't call combine_strings.
4990 (genrtl_compound_stmt): Simplify.
4991 (expand_stmt): Handle SCOPE_STMTs.
4992 * c-tree.h (struct lang_decl): New structure.
4993 (C_DECLARED_LABEL_FLAG): Remove.
4994 (c_begin_compound_stmt): Declare.
4995 (c_expand_decl_stmt): Likewise.
4996 (c_expand_start_case): Rename to c_start_case.
4997 (c_finish_case): New function.
4998 * c-typeck.c (start_init): Tweak setting of
4999 constructor_incremental.
5000 (c_expand_asm_operands): Tweak error-handling. Add to the
5002 (c_expand_return): Add to the statement-tree.
5003 (c_expand_start_case): Rename to ...
5004 (c_start_case): ... this.
5005 (struct c_switch): New type.
5006 (switch_stack): New variable.
5007 (do_case): Simplify.
5008 (c_finish_case): New function.
5009 * dependence.c: Include expr.h.
5010 (enum dependence_type): Change spelling of enumerals.
5011 (check_node_dependence): Adjust.
5012 * expr.h (lang_safe_from_p): Declare.
5013 (safe_from_p): Likewise.
5014 * expr.c (lang_safe_from_p): New variable.
5015 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
5016 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
5017 * toplev.c (rest_of_decl_compilation): Robustify.
5018 * tree.c (contains_placeholder_p): Likewise.
5019 * Makefile.in: Update dependencies.
5020 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
5021 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
5022 (objc_expand_function_end): New function.
5023 (finish_method_def): Use it.
5024 (init_objc): Initialize more language-specific hooks.
5025 * objc/Make-lang.in: Update dependencies.
5027 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
5029 * configure.in: Define macros that affect features before
5030 testing for features. Don't define _XOPEN_SOURCE.
5031 * configure: Regenerated.
5032 * config.in: Regenerated.
5034 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
5036 * rtlanal.c (rtx_varies_p): Volatile asms vary.
5037 (rtx_unstable_p): Restructure code. Volatile asms
5040 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5042 * function.h (no_debugging_symbols): New field.
5043 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
5044 Initialize no_debugging_symbols.
5045 (output_inline_function): Save and restore write_symbols and set from
5046 no_debugging_symbols.
5047 * toplev.c (rest_of_compilation): Call save_for_inline.
5048 * tree.h: Update comment.
5050 * stor-layout.c (place_field): Don't do anything if field or
5051 its type are ERROR_MARK.
5053 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
5055 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
5056 (read_include_file): Ensure inc->mmaped is initialized.
5058 2000-09-16 Richard Henderson <rth@cygnus.com>
5060 * cppiles.c (purge_cache): Use PTR not caddr_t.
5062 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
5064 * gcc.c: In description for %{<S}, say the option removed is -S.
5065 * invoke.texi (Spec Files): Ditto.
5067 2000-09-16 Andreas Jaeger <aj@suse.de>
5069 * configure.in: Always define _GNU_SOURCE to make interfaces
5070 visible that were hidden by only defining _GNU_SOURCE.
5071 * configure: Regenerated.
5073 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
5075 * cpplex.c (push_macro_context): Set an argument's level after
5076 calling parse_args. We could loop infinitely otherwise.
5078 2000-09-15 Tom Tromey <tromey@cygnus.com>
5080 * configure, config.in: Rebuilt.
5081 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
5083 2000-09-15 Greg McGary <greg@mcgary.org>
5085 * cppmacro.c (check_trad_stringification): Check token
5086 text pointers against limit before dereferencing.
5088 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
5090 * c-common.c (format_wanted_type): New structure.
5091 (check_format_types): New function.
5092 (check_format_info): Pass all checking of types of format
5093 arguments, including width and precision arguments, to this new
5096 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5098 * BUGS: Remove file.
5100 2000-09-15 Jakub Jelinek <jakub@redhat.com>
5102 * config/alpha/alpha.c (override_options): ev6 cache latencies
5103 from Richard Henderson. Don't allow -mmemory-latency=L0.
5105 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
5106 (TARGET_OPTIONS): Add tune=.
5107 (alpha_tune_string): Declare.
5108 * config/alpha/alpha.c (override_options): Add cpu_table.
5109 Use alpha_cpu_string first to set both alpha_cpu and target_flags
5110 and then alpha_tune_string to set alpha_cpu only.
5111 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
5112 * config/alpha/elf.h (ASM_FILE_START): Likewise.
5113 * config/alpha/osf.h (ASM_FILE_START): Likewise.
5114 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
5116 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5118 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
5120 (ix86_comparison_operator, ix86_cc_mode): Declare
5121 * i386.h (CCGC, CCGCO): New modes.
5122 (SELECT_CC_MODE): Move offline to ....
5123 * i386.c (ix86_cc_mode): .... here; use new modes.
5124 (ix86_comparison_operator): New.
5125 (fcmov_comparison_operator): Ensure proper mode.
5126 (put_condition_mode): More sanity checking.
5127 (ix86_match_ccmode): Handle new modes.
5128 (ix86_expand_fp_compare): GEU requires CCmode.
5129 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
5131 * i386.md (cmp?i_ccz_1): Remove
5132 (cmp?i_ccno_1): Use ix86_match_ccmode.
5133 (cmp?i_minus_1): New.
5134 (cmpsi_1): New expander.
5135 (cmpqi_ext_1): Use match_ccmode
5136 (cmpqi_ext_3): New expander.
5137 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
5138 (cmpqi_ext_4): Use match_ccmode.
5139 (add?i_?): Use match_ccmode.
5141 (test?i_ccz_1): Remove
5143 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
5144 (testqi_ext_0): Use ix86_match_ccmode.
5145 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
5146 (xorqi_cc_ext_1): New expander.
5147 (shift patterns): Use CCGOCmode for all shifts except for sar.
5148 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
5149 (setcc_3, jcc_3, miv?icc_c): Remove.
5151 2000-09-15 Will Cohen <wcohen@redhat.com>
5153 * dwarf2out.c (add_const_value_attribute): Changed array into a
5154 xmalloced object, so it exists after function exit.
5155 (free_AT): Added case for dw_val_class_float to free allocated
5158 2000-09-15 Kazu Hirata <kazu@hxi.com>
5160 * config/i386/i386.md: Fix a comment typo.
5161 * gcc.c: Fix formatting.
5163 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5165 * optabs.c (emit_libcall_block): If target is a user variable,
5166 copy to a temporary first.
5167 * expr.c (convert_move): When generating a libcall, make a libcall
5169 * calls.c (emit_library_call_value_1): Don't create a libcall
5170 sequence here; our caller will in most cases do it.
5172 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
5174 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
5175 * sh.md (reload_outsf): Generate recognizable patterns for
5177 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
5178 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
5179 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
5180 truncdfsf2_i4): Change not to use explicit references to fpul.
5181 (floatsisf2_ie): Remove USE of fpscr.
5182 (floatsisf2): Change default expansion to match this.
5183 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
5186 2000-09-15 Richard Henderson <rth@cygnus.com>
5188 * expmed.c (store_bit_field): Consider naturally aligned
5189 memory for direct reference.
5191 2000-09-15 Richard Henderson <rth@cygnus.com>
5193 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
5194 AND addresses into alias set 0.
5195 (alpha_expand_unaligned_store): Likewise.
5196 (alpha_expand_unaligned_load_words): Likewise.
5197 (alpha_expand_unaligned_store_words): Likewise.
5199 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5201 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
5202 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
5204 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
5205 rsize of UNITS_PER_WORD.
5207 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
5209 * cpplex.c (ON_REST_ARG): Correct the test.
5210 (maybe_paste_with_next): Duplicate a token that fail pasting,
5211 and clear its PASTE_LEFT flag, so that nested pasting attempts
5214 2000-09-14 Richard Henderson <rth@cygnus.com>
5216 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
5217 * cse.c (rtx_cost): Likewise.
5218 * optabls.c (expand_binop): Likewise.
5219 (expand_twoval_binop, prepare_cmp_insn): Likewise.
5220 * regclass.c (copy_cost): Likewise.
5221 * reload1.c (reload_cse_move2add): Likewise.
5223 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
5225 * c-parse.in (reswords): Add _Complex.
5227 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5229 * gcc.1: Delete documentation for -undef preprocessor option.
5231 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
5233 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5234 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
5235 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5236 Remove undefine before config/elfos.h.
5237 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
5239 2000-09-14 Kazu Hirata <kazu@hxi.com>
5241 * invoke.texi (H8/300 Options): Add -ms2600.
5242 * config/h8300.c (h8300_init_once): Output an error when -ms2600
5243 is used without -ms.
5244 * config/h8300.h (TARGET_MAC): New.
5245 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
5246 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
5247 machine other than H8/S2600.
5248 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
5251 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
5253 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
5254 pseudos that refer to the original pseudos, not only to their
5255 equivalent memory locations.
5257 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5259 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
5260 when making new MEM.
5262 * Makefile.in (LN): Remove duplicate definition.
5264 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5266 From Joern Rennecke:
5267 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
5268 on an insn and function_invariant_p returns nonzero for the source,
5269 add a REG_EQUAL note.
5271 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
5273 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
5274 conflict with frame_pointer_rtx.
5276 2000-09-13 Kazu Hirata <kazu@hxi.com>
5278 * loop.c: Fix formatting.
5281 2000-09-13 Richard Henderson <rth@cygnus.com>
5283 * config/ia64/ia64.md (divsf3): New.
5284 (divsf3_internal_lat, divsf3_internal_thr): New.
5285 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
5286 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
5287 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
5288 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
5289 (nmadddf4_alts, nmadddf4_trunc): New.
5290 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
5291 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
5292 (multf3_truncsf_alts, multf3_truncdf_alts): New.
5293 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
5294 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
5295 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
5296 (nmaddtf4_truncdf_alts): New.
5297 (recip_approx): Don't predicate.
5299 2000-09-13 Richard Henderson <rth@cygnus.com>
5301 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
5303 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5305 * flags.h (flag_dump_rtl_in_asm): Declare.
5306 * toplev.c (flag_dump_rtl_in_asm): Define.
5307 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
5308 if -dP is specified.
5309 * rtl.h (print_rtx_head): Declare.
5310 * print-rtl.c (print_rtx_head): Define.
5311 (print_rtx): Print the string pointed to by print_rtx_head
5312 at beginning of each dump line.
5313 (print_rtl): Likewise.
5314 (print_rtl_single): Likewise.
5315 * final.c (final_scan_insn): Dump the insn in the assembly
5317 * gcc.1: Document -dP option.
5318 * invoke.texi (Debugging Options): Likewise.
5320 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5322 * md.texi (Machine Constraints): Document the 68HC11 constraints.
5323 * install.texi (Configurations): Document the 68HC11&68HC12 port.
5324 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
5326 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
5328 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
5329 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
5330 (*clrstrqi): Likewise.
5331 (xorhi3,xorsi3,absqi2): Likewise.
5332 (one_cmplhi2,one_cmplsi2): Likewise.
5333 (addsi3): Two stupid constraint alternatives removed.
5334 (extendhisi2): Use `movw' for enhanced avr cores.
5335 (zero_extendhisi2): Likewise.
5337 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
5339 * alias.c (find_base_term): Use frame_pointer_rtx
5340 when handling an ADDRESSOF.
5342 * cse.c (canon_hash): Handle USE of BLKmode memory.
5343 (cse_insn): Outgoing arguments for a libcall don't
5344 affect any recorded expressions.
5346 2000-09-12 Tom Tromey <tromey@cygnus.com>
5348 * configure, config.in: Rebuilt.
5349 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
5351 2000-09-12 Jakub Jelinek <jakub@redhat.com>
5353 * c-lex.c (lex_string): Use charwidth to compute bytemask.
5354 * expr.c (expand_expr): Don't optimize constant array references
5355 initialized with wide string constants.
5357 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5359 * loop.c (note_set_pseudo_multiple_uses): Correct.
5361 2000-09-12 Jim Wilson <wilson@cygnus.com>
5363 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
5364 else block, and X has side-effects, then fail.
5366 2000-09-12 Greg McGary <greg@mcgary.org>
5368 * config/mips/mips-protos.h
5369 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
5370 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
5371 (PREDICATE_CODES): Add "trap_cmp_op".
5372 * config/mips/mips.c
5373 (trap_cmp_op, mips_gen_conditional_trap): New functions.
5374 * config/mips/mips.md (trap, conditional_trap): New patterns.
5376 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5378 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
5381 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5383 * builtins.c (built_in_decls): New array.
5384 (expand_builtin_fputs): New function.
5385 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
5387 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
5389 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
5391 * tree.h (built_in_decls): New array.
5393 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
5395 * convex.md: Use "+" instead of "=" for outputs wrapped in a
5397 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
5399 2000-09-12 Kazu Hirata <kazu@hxi.com>
5401 * haifa-sched.c: Fix formatting.
5403 * genattrtab.c: Fix formatting.
5405 * unroll.c: Fix formatting.
5407 2000-09-12 Bruce Korb <bkorb@gnu.org>
5409 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
5410 remove obsolete code
5411 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
5412 * fixinc/fixincl.tpl: make non-exported arrays static scope
5413 * fixinc/fixincl.x: regenerate
5414 * fixinc/fixlib.h: Use PARAMS, not _P_
5415 * fixinc/fixtests.c: make a type for the test proc & use it
5416 * fixinc/server.h: Use PARAMS, not _P_
5418 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5420 * c-typeck.c (process_init_element): Avoid union init warnings on
5421 floating point zero. Don't crash on unions containing structs.
5423 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
5425 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
5426 general_movsrc_operand, and remove CONST_INT from
5427 general_movdst_operand.
5429 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5431 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
5432 if a reference to non-fixed hardreg is seen. Otherwise, count hard
5433 regs with a higher cost.
5434 (preferrable): Deal with cases where either cost or regcost is
5436 (cse_insn): Use MAX_COST rather than 10000. Always initialize
5438 (COSTS_N_INSNS): Move definition...
5440 (MAX_COST): New macro.
5441 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
5444 2000-09-11 Mark Mitchell <mark@codesourcery.com>
5446 * c-common.h (genrtl_clear_out_block): Remove.
5447 * c-semantics.c (genrtl_clear_out_block): Remove.
5448 (genrtl_while_stmt): Don't call it.
5449 (genrtl_for_stmt): Likewise.
5451 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5453 * cppfiles.c: Move all default-#defines to top of file.
5454 (open_include_file): Replace by lookup_include_file.
5455 (read_with_read, read_file): Merged into read_include_file.
5456 (stack_include_file, purge_cache): New functions.
5457 (close_cached_fd): Delete.
5458 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
5459 Cache the in-memory buffer, not the file descriptor.
5461 * cpphash.h (struct include_file): Add buffer, st, refcnt,
5463 (xcnew): New utility macro.
5464 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
5465 * cpplib.h (struct cpp_buffer): Remove mapped field.
5467 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5469 * cpplex.c (parse_string): Accept backslash space newline as a
5471 (lex_line): Likewise.
5472 (_cpp_get_token): Remove hard limit on macro nesting.
5474 2000-09-12 Philipp Thomas <pthomas@suse.de>
5476 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
5477 * configure: Rebuilt.
5479 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5481 * flow.c (split_block): Fix update of registers live at
5484 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5486 * i386.md (add?i_3, add?i_5): New.
5487 (add?i_4): Rename from add?i_3; Fix compare pattern.
5488 (sub?i_3, xor?i_3, ior?i_3): New.
5490 * genrecog.c (write_tree): Output code to clear insn_extract cache.
5491 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
5492 instead of extract_insn and extract_constrain_insn_cache instead of
5493 extract_insn and constrain_operands.
5494 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
5496 (extract_insn): Clear which_alternative.
5497 (constrain_operands): Set which_alternative to -1 when failed.
5498 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
5501 2000-09-11 Matthew Hiller <hiller@redhat.com>
5503 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
5504 on operand 0 to '+'.
5505 (movstricthi): Likewise.
5507 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5509 * loop.h (LOOP_IVS): New macro.
5510 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
5511 (struct loop_ivs): New.
5512 (struct loop_info): Add ivs field.
5513 (reg_iv_type, reg_iv_info): Delete prototype.
5514 (reg_biv_class, loop_iv_list): Likewise.
5515 * loop.c (record_biv, find_life_end): Pass loop argument.
5516 (reg_iv_type): Remove global array and use
5517 field in loop_regs structure within loop_ivs structure.
5518 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
5519 (first_increment_giv, last_increment_giv): Use entry in
5521 (record_initial): Pass ivs pointer.
5522 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
5524 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5526 * loop.h (LOOP_REGS): New macro.
5527 (struct loop_regs): New.
5528 (struct loop_info): Add regs field.
5529 * loop.c (set_in_loop): Remove global array and store
5530 in loop_regs structure as part of loop_info structure.
5531 (n_times_set, may_not_optimize): Likewise.
5532 (reg_single_usage, moved_once): Likewise.
5533 (count_one_set): Add regs argument.
5534 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
5535 (set_pseudo_multiple_uses): Pass regs pointer.
5537 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5539 * unroll.c (iteration_info): Subsume into loop_iterations.
5540 * loop.h (loop_info): New field iv.
5542 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5544 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
5545 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
5546 (flow_loops_update): New prototype.
5547 (flow_loops_find): Add flags to prototype.
5548 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
5549 * flow.c (flow_loop_pre_header_scan): New.
5550 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
5551 (flow_loop_free): Free pre-header root and trace and exit dominators.
5552 (flow_loops_find): New argument flags.
5553 (flow_loops_update): New function.
5554 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
5556 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5558 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
5559 * flow.c (split_block, update_bb_for_insn): New functions.
5561 2000-09-11 Richard Henderson <rth@cygnus.com>
5563 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
5565 2000-09-11 Richard Henderson <rth@cygnus.com>
5567 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
5568 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
5569 (ia64_override_options): Prevent optimizing division for both
5570 latency and throughput.
5571 (rtx_needs_barrier): Handle frcpa.
5572 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
5573 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
5574 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
5575 (TARGET_SWITCHES): Add -minline-divide-min-latency and
5576 -minline-divide-max-throughput.
5577 (PREDICATE_CODES): Update.
5578 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
5579 (zero_extendsidi2): Likewise. Fix typo in f case insn.
5580 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
5581 (extendsftf2): Likewise.
5582 (extenddftf2): Likewise.
5583 (fix_trunctfdi2_alts): New.
5584 (fixuns_trunctfdi2_alts): New.
5585 (madd*4): Rename from madd*3.
5586 (divsi3, modsi3, udivsi3, umodsi3): New.
5587 (divsi3_internal): New.
5588 (divdi3, moddi3, udivdi3, umoddi3): New.
5589 (divdi3_internal_lat, divdi3_internal_thr): New.
5590 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
5591 (recip_approx): New.
5593 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
5595 * print-rtl.c (debug_call_placeholder_verbose): New variable.
5596 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
5598 * integrate.c (copy_rtx_and_substitute): Don't share
5599 LEAF_REG_REMAPpable registers with the inlined function. Don't
5600 share the function value with calling sequences.
5602 2000-09-11 Jakub Jelinek <jakub@redhat.com>
5604 * c-decl.c (do_case): Fix a typo.
5606 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
5607 to a if the comparison is floating mode and not -ffast-math.
5608 * simplify-rtx.c (simplify_ternary_operation): Likewise.
5610 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5612 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
5613 gen_ic_invalidate_line.
5615 2000-09-11 Philip Blundell <pb@futuretv.com>
5617 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
5619 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
5621 * install.texi (LANGUAGES): Update to include new languages.
5624 2000-09-11 DJ Delorie <dj@redhat.com>
5626 * gcc.c (main): Don't warn about unused -B prefixes
5627 (unused_prefix_warnings): remove
5629 2000-09-11 Kazu Hirata <kazu@hxi.com>
5631 * final.c: Fix formatting.
5633 * integrate.c: Fix formatting.
5635 2000-09-11 Geoff Keating <geoffk@cygnus.com>
5637 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
5639 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
5641 * reload.c (regno_clobbered_p): Fix thinko in previous change.
5643 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5645 * gcc.1: Document 68hc11 specific options.
5647 2000-09-10 Geoff Keating <geoffk@cygnus.com>
5649 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
5650 (TARGET_LONG_DOUBLE_128): Define.
5651 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
5652 (LONG_DOUBLE_TYPE_SIZE): Redefine.
5653 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5654 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
5655 of __LONG_DOUBLE_128__.
5656 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
5658 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
5659 (CPP_SYSV_DEFAULT_SPEC): Define.
5660 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
5661 (INIT_TARGET_OPTABS): Define.
5663 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
5664 (RS6000_UITRUNC): Likewise.
5665 (INIT_TARGET_OPTABS): New macro.
5666 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
5667 (trunc_defined): Delete.
5668 (output_prolog): Don't output .extern definitions for fp->int
5669 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
5670 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
5671 (trunc_defined): Delete.
5672 (RS6000_ITRUNC): Moved to aix.h.
5673 (RS6000_UITRUNC): Likewise.
5674 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
5675 only emit a libcall.
5676 (fixuns_truncdfsi2): Delete.
5677 (trunc_call): Delete.
5678 (trunc_call_rtl): Delete.
5680 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5682 * varasm.c (make_decl_rtl): Restore leading star on
5683 DECL_ASSEMBLER_NAME set for decls with an asmspec.
5685 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5687 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
5688 won't give a spurious error for '#pragma pack()'. Simplify
5689 control flow for readability. 'reset' action is not necessary.
5691 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5693 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
5694 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
5695 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
5696 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
5698 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
5699 profile.c, sdbout.c, tradcif.y, tree.c:
5700 Include defaults.h if not already included.
5701 Don't define the above macros.
5703 * Makefile.in: Update dependencies.
5705 2000-09-10 Mark Mitchell <mark@codesourcery.com>
5707 * c-common.h (add_stmt): Change prototype.
5708 (RECHAIN_STMTS): New macro.
5709 (CASE_LABEL_DECL): Likewise.
5710 (genrtl_case_label): Change prototype.
5711 (c_expand_start_case): Remove prototype.
5712 (build_case_label): Change prototype.
5713 (decl_constant_value): Declare.
5714 * c-common.c (check_case_value): Handle C++'s extensions to C
5716 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
5718 * c-parse.in (stmt): Adjust handling of return statements and case
5720 * c-semantics.c (add_stmt): Return the new statement.
5721 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
5722 returned expression. Directly generate RTL, rather than calling
5724 (genrtl_switch_stmt): Don't call c_expand_start_case.
5725 (build_case_label): Take the LABEL_DECL as input, too.
5726 (genrtl_case_label): Just call add_case_node.
5727 (expand_stmt): Adjust calls to genrtl_return_stmt and
5729 * c-tree.h (c_expand_start_case): Declare.
5730 * c-typeck.c (decl_constant_value): Give it external linkage.
5731 (c_expand_return): Don't call expand_return or expand_null_return;
5732 use genrtl_return_stmt instead.
5733 * stmt.c (struct nesting): Remove num_ranges field.
5734 (add_case_node): Give it external linkage.
5735 (expand_start_case): Don't set num_ranges.
5736 (expand_start_case_dummy): Don't clear it.
5737 (pushcase): Rely on add_case_node to handle `default' labels.
5738 (add_case_node): Handle `default' labels.
5739 * tree.c (tree_int_cst_compare): New function.
5740 * tree.h (tree_int_cst_compare): Declare.
5741 (add_case_node): Likewise.
5743 2000-09-10 Richard Henderson <rth@cygnus.com>
5745 * c-parse.in: Revert last change.
5746 (init_reswords): Do not enter disabled keywords into the ridpointers
5747 table, modulo objc weirdness.
5748 (_yylex): Return the canonical spelling for a keyword.
5750 2000-09-10 Philip Blundell <philb@gnu.org>
5752 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
5753 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
5755 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
5757 * alias.c (find_base_term): Handle ADDRESSOF.
5758 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
5760 2000-09-10 Denis Chertykov <denisc@overta.ru>
5762 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
5763 outputting templates with many lines.
5765 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5767 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
5768 to decide whether 64-bit support must be generated.
5770 2000-09-10 Richard Henderson <rth@cygnus.com>
5772 * c-parse.in (asm patterns): Fix volatile check.
5774 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5776 * cppmacro.c (check_trad_stringification): New function.
5777 (save_expansion): If -Wtraditional, warn about stringification of
5780 2000-09-11 Michael Hayes <mhayes@cygnus.com>
5782 * loop.h (struct loop_mem_info): Move from loop.c
5783 (struct loop_info): Add fields store_mems, mems, mems_idx,
5784 mems_allocated, unknown_address_altered,
5785 unknown_constant_address_altered, num_mem_sets, and
5786 first_loop_store_insn.
5788 * loop.c (loop_store_mems): Replace with field in loop_info struct.
5789 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
5790 (unknown_address_altered, unknown_constant_address_altered): Likewise.
5791 (num_mem_sets): Likewise.
5792 (replace_loop_mems, replace_loop_regs): New.
5793 (struct loop_replace_args): New.
5794 (load_mems): Use replace_loop_mems.
5795 (try_copy_prop): Use replace_loop_regs.
5796 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
5798 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5800 * configure.in: Recognize m6811-elf and m6812-elf.
5801 * configure: Regenerate.
5803 2000-09-09 Geoff Keating <geoffk@cygnus.com>
5805 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
5808 2000-09-10 Michael Hayes <mhayes@cygnus.com>
5810 * loop.c (struct movables): New.
5811 (num_movables): Move into struct movables.
5812 (the_movables): Change type to struct movables.
5813 (ignore_some_movables): Change struct movable arg to struct movables.
5814 (force_movables, combine_movables, regs_match_p): Likewise.
5815 (rtx_equal_for_loop_p, move_movables): Likewise.
5816 (scan_loop): Change movables to be of type struct movables.
5817 Replace last_movable with field in movables structure.
5819 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
5821 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
5822 (init_pragma): Avoid warning if pfile happens to be unused.
5823 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
5824 define init_pragma to nothing. Always prototype
5825 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
5827 * c-lex.c (process_directive): Always call dispatch_pragma.
5828 Initialize entering_c_header to 0.
5830 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5832 * config/m68hc11/m68hc11.md: New file, machine description for
5834 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
5835 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
5836 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
5837 * config/m68hc11/m68hc11-protos.h: New file.
5838 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
5839 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
5840 * config/m68hc11/xm-m68hc11.h: New file, target defs.
5841 * config/m68hc11/larith.asm: New file, libgcc routines.
5843 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5845 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
5846 (FPBIT_FUNCS): Add _usi_to_sf.
5847 * config/fp-bit.c (usi_to_float): New function.
5848 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
5849 (usi_to_float): Add appropriate #define.
5851 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
5853 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
5855 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
5856 * i386.md (attr "type"): Add sse and mmx types.
5857 (attr "memory"): Handle them without a crash.
5858 (movsi_1, movdi_2): Allow MMX regs.
5859 (movdi splits): Don't split moves involving MMX regs.
5860 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
5861 (movv4sf_internal, movv4si_internal, movv8qi_internal,
5862 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
5863 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
5864 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
5865 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
5866 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
5867 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
5868 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
5869 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
5870 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
5871 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5872 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5873 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
5874 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
5875 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5876 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5877 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
5878 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
5879 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
5880 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
5881 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
5882 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5883 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5884 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
5885 mmx_clrdi): New patterns.
5887 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
5889 * arm.c: Don't include tm.h directly.
5891 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
5893 * recog.c (validate_replace_rtx_1): Fix confusion about equality
5894 testing; simplify subregs of constants and nested subregs.
5896 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
5898 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
5900 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
5902 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
5904 * rtl.texi (description of USE): Add note about possible pitfalls
5906 From Richard Henderson:
5907 * reload1.c (choose_reload_regs): Compute need_mode properly.
5909 2000-09-07 Richard Henderson <rth@cygnus.com>
5911 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
5912 (__modsi3, __umodsi3): Likewise.
5913 (__udivsi3): Likewise. Normalize the TFmode values.
5915 2000-09-07 Geoff Keating <geoffk@cygnus.com>
5917 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
5919 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
5922 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5924 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
5925 (cmpeqdi_t): Add output pattern.
5926 (cmpeqdi_t+1): Don't split when not optimizing.
5927 Restore proper splitting operation.
5929 2000-09-07 Richard Henderson <rth@cygnus.com>
5931 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
5932 do not call dispatch_pragma.
5934 2000-09-07 Jim Wilson <wilson@cygnus.com>
5936 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
5937 to CLASS_CANNOT_CHANGE_MODE.
5938 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
5939 mode classes are different.
5941 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
5943 * cpplib.h (struct cpp_options): Add user_label_prefix member,
5944 left out of commit which removed cppulp.c.
5946 2000-09-07 Richard Henderson <rth@cygnus.com>
5948 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
5949 after switch for CASE_DROPS_THROUGH.
5951 2000-09-07 Richard Henderson <rth@cygnus.com>
5953 * loop.c (strength_reduce): Call check_ext_dependant_givs.
5954 Properly extend the biv initial value for the giv.
5955 (record_biv): Zero ext_dependant.
5956 (record_giv): New argument ext_val. Update all callers.
5957 (general_induction_var): Likewise.
5958 (consec_sets_giv): Likewise.
5959 (simplify_giv_expr): Likewise. Fill in ext_val if we find
5960 a sign-extend, zero-extend, or truncate.
5961 (combine_givs_p): Make sure modes are compatible.
5962 (check_ext_dependant_givs): New.
5963 (extend_value_for_giv): New.
5964 * loop.h (struct induction): Add ext_dependant.
5965 * unroll.c (iteration_info): Extend the biv initial value for the giv.
5966 (find_splittable_givs): Likewise.
5967 (final_giv_value): Likewise.
5969 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
5971 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
5972 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
5973 definitions from cpplib.h.
5974 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
5976 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
5977 documentation for REGISTER_TARGET_PRAGMAS.
5979 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
5980 default-pragma callback to implement -Wunknown-pragmas if
5982 * c-parse.in: Move all includes to top of file.
5983 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
5985 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
5987 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
5989 * arm.h, arm-protos.h, arm.c,
5990 c4x.h, c4x-protos.h, c4x.c,
5991 h8300.h, h8300-protos.h, h8300.c,
5992 i370.h, i370-protos.h, i370.c,
5993 i960.h, i960-protos.h, i960.c,
5994 sh.h, sh-protos.h, sh.c,
5995 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
5996 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
5998 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
5999 multiple include guard.
6000 * i370.md (untyped_call): Use GEN_CALL.
6001 (umodsi3): Remove unused variable.
6002 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
6003 * v850.c (output_move_single, output_move_double): Constify
6005 (print_operand): Constify a char *.
6006 * v850.h (struct small_memory_info): Constify name member.
6008 2000-09-07 Kazu Hirata <kazu@hxi.com>
6010 * config/h8300.h: Fix comment typos.
6011 * config/h8300/h8300.md: Likewise.
6012 * config/h8300/lib1funcs.asm: Likewise.
6014 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
6016 * Makefile.in: Remove references to cppulp.{c,o}.
6017 * cppinit.c (initialize_builtins, cpp_start_read,
6018 cpp_handle_option): Update to use cpp_options structure.
6021 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
6023 * c-common.c (time_char_table): Allow %#b and %#h.
6025 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6027 * reorg.c (find_end_label): If the basic block reorder pass moves the
6028 return insn to some other place try to locate it again and put our
6029 end_of_function_label there.
6030 * reorg.c (relax_delay_slots): Check if find_end_label created a
6031 new label that invalidates the current optimazation.
6033 2000-09-07 Catherine Moore <clm@redhat.com>
6035 * unroll.c (unroll_loop): Check for unconditional jumps
6036 to loop continuation. Delete if n_iterations is 1.
6037 (ujump_to_loop_cont): New routine.
6039 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
6041 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
6043 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
6044 to handle multiword modes correctly. All callers and the declaration
6047 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6049 * c-common.h (prep_stmt): Declare.
6050 (lang_expand_stmt): Likewise.
6051 * c-decl.c (lang_expand_stmt): Remove.
6052 * c-semantics.c (lang_expand_stmt): Define.
6053 (prep_stmt): New function.
6054 (expand_stmt): Handle common statement types here.
6056 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
6058 * configure.in (sh-*-linux*): Added.
6059 * configure: Rebuilt.
6060 * config/sh/t-linux: New file.
6061 * config/sh/sh.h (USERMODE_BIT): Define.
6062 (TARGET_USERMODE): Likewise.
6063 (TARGET_SWITCHES): New switches for the bits above.
6064 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
6065 * config/sh/linux.h: New file.
6066 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
6067 underscore on linux.
6068 (L_sdivsi3, L_udivsi3): Define for linux.
6069 (L_ic_invalidate): Define.
6070 * invoke.texi (SH Options): Document -musermode.
6072 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
6074 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
6075 CSE unless generating PIC.
6077 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
6080 2000-09-06 H.J. Lu (hjl@gnu.org)
6082 * Makefile.in (clean_s1): Depend on stage_b.
6083 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
6084 stage2. They are used for "make compare".
6086 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6088 Move statement-tree facilities from C++ to C front-end.
6089 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
6090 (void_zero_node): New macro.
6091 (struct stmt_tree_s): New type.
6092 (stmt_tree): New typedef.
6093 (struct language_function): New type.
6094 (last_tree): New macro.
6095 (last_expr_type): Likewise.
6096 (walk_tree_fn): New typedef.
6097 (current_stmt_tree): New function.
6098 (begin_stmt_tree): Likewise.
6099 (add_stmt): Likewise.
6100 (finish_stmt_tree): Likewise.
6101 (statement_code_p): Likewise.
6102 (lang_statement_code_p): New variable.
6103 (walk_stmt_tree): New function.
6104 (STMT_IS_FULL_EXPR_P): New macro.
6105 * c-common.c (lang_statement_code_p): New variable.
6106 (c_common_nodes_and_builtins): Initialize void_zero_node.
6107 (statement_code_p): New function.
6108 (walk_stmt_tree): Likewise.
6109 * c-decl.c (language_function): Rename to ...
6110 (c_language_function): ... this. Include language_function.
6111 (push_c_function_context): Adjust accordingly.
6112 (pop_c_function_context): Likewise.
6113 (mark_c_function_context): Likewise.
6114 (current_stmt_tree): Define.
6115 * c-semantics.c (begin_stmt_tree): New function.
6116 (add_stmt): Likewise.
6117 (prune_unused_decls): Likewise.
6118 (finish_stmt_tree): Likewise.
6120 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6122 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
6124 2000-09-06 Kazu Hirata <kazu@hxi.com>
6126 * calls.c: Fix formatting.
6128 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
6130 * config/i386/i386.h (ADDRESS_COST): Fix typo.
6132 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6134 Integrated preprocessor.
6136 * Makefile.in: Remove all references to c-parse.gperf,
6137 c-gperf.h, and c-parse.h. Remove -d from yacc command line
6138 generating c-parse.c. Update dependencies.
6139 * c-parse.gperf, c-gperf.h: Delete.
6141 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
6142 yy_lim, or yy_get_token. Don't define get_directive_line if
6144 * c-common.h: Add multiple include guard. Define RID values
6145 for every keyword in C, C++, and Objective C. Put all the
6147 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
6148 * c-decl.c (c_decode_option): Handle -lang-objc here.
6149 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
6150 (grokdeclarator): Adjust for new RID scheme.
6151 (extract_interface_info): New stub.
6152 * c-lang.c: Don't declare yy_cur or parse_options.
6153 (lang_init_options): Call cpp_init. Don't call
6155 (lang_init): Don't call check_newline if USE_CPPLIB.
6157 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
6158 Elide lots of unnecessary code if USE_CPPLIB. Delete code
6159 rendered unnecessary by new architecture. Move routines not
6160 shared with C++ to c-parse.in. Maintain a local idea of the
6161 line number. Handle C++ as well as C.
6162 [USE_CPPLIB]: Declare and register callbacks for #ident and
6163 for entering/leaving files.
6164 (init_c_lex, c_lex): Are now the entry points to this file.
6165 (check_newline): Break out directive handling to
6167 (read_ucs, is_extended_char, utf8_extend_token): Moved here
6169 (readescape, parse_float): Overhaul.
6170 (lex_number, lex_string, lex_charconst): Break out of c_lex
6172 (get_fileinfo, update_header_times, dump_one_header,
6173 dump_time_statistics): New and/or moved here from C++.
6174 Support per-file data needed by C++ and per-header timing
6175 statistics (C++ only, at the moment).
6176 * c-lex.h: Update prototypes. Add multiple include guard.
6177 * c-tree.h (struct lang_identifier): Add rid_code field.
6178 (C_IS_RESERVED_WORD, C_RID_CODE): New.
6180 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
6181 reinit_parse_for_function and/or position_after_white_space.
6182 (save_filename, save_lineno): Look ahead before saving.
6183 (label -> identifier ':'): Save file and line before shifting ':'.
6184 (reservedwords): No need to call get_identifier.
6185 (init_parse, finish_parse, yyerror, yylex, yyprint,
6186 make_pointer_declarator): Are now here for C/ObjC.
6187 (rid_to_yy): Conversion table from RID constants to Yacc codes.
6189 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
6190 #pragma registry. Provide dummy implementation of that
6191 interface if !USE_CPPLIB.
6192 * c-pragma.h: Update to match.
6194 * flags.h: Add multiple include guard.
6195 (flag_detailed_statistics): Moved here from C++.
6196 * toplev.c: Define flag_detailed_statistics.
6198 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
6200 * timevar.def (TV_CPP, TV_LEX): New.
6201 * timevar.h: Add multiple include guard.
6203 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
6205 * objc/objc-act.c: Don't mention yy_cur or parse_options.
6206 Initialize cpplib properly. Force lineno to 0 after first
6207 call to check_newline. Don't handle -lang-objc here.
6208 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
6210 2000-09-06 David Edelsohn <edelsohn@gnu.org>
6212 * rs6000.md: Correct function unit definitions for cr_logical and
6214 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
6215 and use portable method for >=0 and floating point >=. Remove
6216 associated matchers.
6218 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6220 * extend.texi: Mark named return value extension as deprecated.
6222 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6224 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
6227 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
6229 * toplev.c (display_help): Fix thinko in documentation.
6231 * diagnostic.h (output_buffer::indent_skip): New fields.
6232 (output_indentation): New macro.
6234 * diagnostic.c (output_indent): New function.
6235 (output_set_prefix, clear_diagnostic_info): Use.
6236 (output_emit_prefix): Predict future indentation.
6238 2000-09-06 DJ Delorie <dj@redhat.com>
6240 * Makefile.in (stage_*): add more dependencies to ensure parallel
6241 builds build correctly
6243 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
6245 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
6246 not bootstrap-lean_f.
6248 2000-09-06 Andreas Schwab <schwab@suse.de>
6250 * mklibgcc.in: Emit rule for libgcc-stage-start.
6251 * Makefile.in (stage1-start, stage2-start, stage3-start,
6252 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
6254 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
6256 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
6257 (update_equiv_regs): Likewise, except for the mn10200 kludge.
6258 (combine_regs): Likewise.
6260 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
6261 * cse.c: Include "basic-block.h".
6262 (struct table_elt): New field REGCOST.
6263 (CHEAP_REG): Delete macro.
6264 (COST): Return 0 for REGs.
6265 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
6266 (notreg_cost): Return 0 for appropriate SUBREGs.
6267 (COSTS_N_INSNS): Return N * 2.
6268 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
6270 (CHEAPER): Use new function preferrable.
6271 (insert): Initialize REGCOST member.
6272 (find_best_addr): Use approx_reg_cost for estimation of register
6274 (cse_insn): Likewise.
6275 * loop.c (iv_add_mult_cost): New function.
6276 (add_cost, shift_cost, mult_cost): Delete variables.
6277 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
6278 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
6279 Make code that detects autoinc opportunities slightly less optimistic.
6280 (simplify_giv_expr): If expression contains other reg that is also a
6281 giv, only increment benefit if this is the only use of that reg.
6282 (consec_sets_giv): Take that change into account.
6283 (combine_givs): Slightly more verbose output.
6285 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
6286 not the cost of an equivalent shift.
6287 * sh-protos.h (addsubcosts): Declare.
6288 * sh.c (addsubcosts): New function.
6289 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
6290 (RTX_COSTS): Tweak. Use addsubcosts.
6291 (ADDRESS_COST): Return higher cost for reg+reg addressing.
6293 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6295 * config/rs6000/rs6000.c (validate_condition_mode): New function.
6296 (branch_comparison_operator): Call validate_condition_mode to
6297 abort rather than returning 0.
6298 (branch_positive_comparison_operator): New function.
6299 (scc_comparison_operator): Call validate_condition_mode to abort
6300 rather than returning 0.
6301 (ccr_bit): Call validate_condition_mode. Update for
6303 (print_operand): Delete %C modifier. Update %E case
6304 to use EQ bit not SO bit.
6305 (rs6000_reverse_condition): New function.
6306 (rs6000_generate_compare): New function.
6307 (rs6000_emit_sCOND): New function.
6308 (rs6000_emit_cbranch): New function.
6309 (output_cbranch): The length of a long branch insn is
6310 now only 8 bytes. Add validate_condition_mode. Use
6311 rs6000_reverse_condition. Remove cror generation.
6313 * config/rs6000/rs6000.h: Update comments.
6314 (PREDICATE_CODES): Add new predicate. Update codes used
6315 by branch_comparison_operator and scc_comparison_operator.
6316 * config/rs6000/rs6000-protos.h: Add prototypes for
6317 new external functions.
6318 * config/rs6000/rs6000.md: Add new scheduling parameters
6319 for cr_logical instructions. Change length of branch
6321 (bCOND patterns): Call rs6000_emit_cbranch.
6322 (sCOND patterns): Call rs6000_emit_sCOND.
6323 (branch patterns): Change lengths to 4.
6324 (cr logical patterns): New.
6326 2000-09-06 Richard Henderson <rth@cygnus.com>
6328 * config/i386/i386.md (call_pop): Fix test for setting
6329 current_function_uses_pic_offset_table.
6330 (call, call_value_pop, call_value): Likewise.
6332 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6334 * timevar.c (timevar_add): Delete.
6335 (timevar_get): Also count time since the selected timer was
6336 last updated. Do not examine the timevar stack if the
6337 selected timer is standalone.
6339 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6341 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
6343 2000-09-05 Jason Merrill <jason@redhat.com>
6345 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
6346 for 'extern' arrays.
6348 2000-09-05 Richard Henderson <rth@cygnus.com>
6350 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
6351 Eliminate final copy from non-trapping case.
6352 (__divdf3, __divsf3): Likewise.
6354 2000-09-05 Richard Henderson <rth@cygnus.com>
6356 * config/ia64/ia64.md (mulhi3): Fix typo last change.
6357 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
6359 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
6361 * Makefile.in: Restructure bootstrap stages to allow clean
6362 restart after failure.
6364 2000-09-05 Richard Henderson <rth@cygnus.com>
6366 * config/ia64.md (movsi and movdi patterns): Allow moves from
6367 8-bit constants to AR registers.
6369 2000-09-05 Richard Henderson <rth@cygnus.com>
6371 * config/ia64/ia64.md (mulhi3): New.
6373 2000-09-05 Richard Henderson <rth@cygnus.com>
6375 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
6376 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
6377 Optimization Guide, minimum latency alternative.
6378 (__moddi3, __udivdi3, __umoddi3): Likewise.
6379 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
6381 2000-09-05 Bruce Korb <bkorb@gnu.org>
6383 * fixinc/fixincl.c (load_file): always read header files
6384 with sizes that are a multiple of the page size.
6385 & use libiberty's getpagesize for determining that.
6387 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
6389 * gcse.c (hash_string_1): Add prototype.
6390 * cse.c (canon_hash_string): Likewise.
6392 2000-09-04 Craig Newell <CraigN@ieee.org>
6394 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
6396 2000-09-04 Andreas Schwab <schwab@suse.de>
6398 * Makefile.in (STAGESTUFF): Remove libgcc.
6399 (stage1-start, stage2-start, stage3-start): Copy the contents of
6400 the libgcc directory explicitly.
6401 (mostlyclean): Clean libgcc.
6403 2000-09-04 Andrew Haley <aph@redhat.com>
6405 * dwarf2out.c: (stack_adjust_offset): New prototype.
6407 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
6409 * combine.c (make_extraction): Fix rtx_cost comparison to
6412 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
6414 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
6415 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
6416 Add '*' to insn pattern name.
6418 2000-09-04 Jakub Jelinek <jakub@redhat.com>
6420 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
6421 use posn - 1 to index into tokens array.
6422 (maybe_paste_with_next): Adjust caller.
6424 2000-09-03 Geoff Keating <geoffk@cygnus.com>
6426 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
6428 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
6429 (REGNO_REG_CLASS): Use symbolic register
6432 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
6434 * arm.c (final_prescan_insn): If the form of a jump insn isn't
6435 recognized, don't try to conditionally execute it.
6437 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
6439 * config/avr/avr.md ("*tablejump_lib"): New pattern.
6440 (call_value_insn): Right length claculation.
6441 (call_insn): Likewise.
6443 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
6445 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
6446 gas_output_limited_string, gas_output_ascii, output_movqi,
6447 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
6448 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
6449 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
6450 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
6451 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
6452 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
6453 Add "const" as needed to remove warnings.
6455 * config/avr/avr.c (avr_override_options, avr_init_once,
6456 function_prologue, function_epilogue, frame_pointer_required_p,
6457 class_likely_spilled_p, order_regs_for_local_alloc,
6458 avr_address_cost, avr_ret_register): Use K&R style arguments.
6459 (initial_elimination_offset, gas_output_limited_string):
6460 Remove ATTRIBUTE_UNUSED from the used arguments.
6461 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
6462 Use local variables src, dest, base to access operands[].
6463 Rename reg_dest to reg_src if that's what it is.
6464 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
6465 constants to LD_REGS if reg_was_0.
6466 (output_reload_insisf): Change arg 3 to insn length and set it.
6467 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
6468 access to 16-bit I/O register pairs.
6469 (avr_address_cost): Lower cost for the above case.
6470 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
6471 may be clobbered, also for LD_REGS.
6472 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
6475 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
6477 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
6478 macro to test_hard_reg_class function.
6479 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
6480 for loading immediate constants to LD_REGS.
6481 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
6484 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
6486 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
6487 * config/avr/libgcc.S: Lost part of the previous patch.
6489 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6491 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
6492 object before calling pthread_mutex_init.
6494 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
6496 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
6497 config/sh/crtn.asm: New files.
6498 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
6499 (crt1.o, crti.o, crtn.o): New targets.
6500 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
6502 * configure: Rebuilt.
6503 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6504 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
6505 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6506 Undefine for config/elfos.h to redefine.
6507 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
6509 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6511 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
6512 legitimize_pic_address, output_pic_addr_const): Declare.
6513 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
6514 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
6515 (TARGET_SWITCHES): New switch -mprefergot.
6516 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
6517 (PIC_OFFSET_TABLE_REGNUM): Define.
6518 (GOT_SYMBOL_TABLE): Likewise.
6519 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
6520 (ENCODE_SECTION_INFO): Define.
6521 (FINALIZE_PIC): New macros.
6522 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
6523 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
6524 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
6525 (prepare_move_operands): Call emit_pic_move or
6526 emit_pic_const_move if appropriate.
6527 (output_far_jump): For PIC, use braf and output long offset.
6528 (machine_dependent_reorg):
6529 (sh_expand_prologue): Save and initialize the PIC register.
6530 (sh_expand_epilogue): Restore it.
6531 (initial_elimination_offset): Account for it.
6532 (nonpic_symbol_mentioned_p): New function.
6533 (legitimize_pic_address): Likewise.
6534 (output_pic_addr_const): Likewise.
6535 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
6536 (call, call_value): Use them.
6537 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
6538 symPLT_label2reg): New expands.
6539 * invoke.texi (SH Options): Document -mprefergot.
6541 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
6543 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
6544 * gcse.c (hash_string_1): New function.
6545 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
6546 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
6547 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
6548 (canon_hash_string): New function.
6549 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
6550 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
6551 (fold_rtx): Use ASM_OPERANDS accessor macros.
6552 * emit-rtl.c (copy_insn_1): Likewise.
6553 * integrate.c (copy_rtx_and_substitute): Likewise.
6554 * stmt.c (expand_asm_operands): Likewise. Give an
6555 ASM_OPERANDS rtx the mode of the output reg being set from it.
6557 2000-09-01 Fred Fish <fnf@be.com>
6559 * fix-header.c (write_rbrac): Add putc and getc to list of
6560 functions to protect against prior definition as a macro.
6562 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
6564 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
6565 (c_size_type_node): Define.
6566 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
6567 * c-common.c (enum format_lengths, enum format_std_version,
6568 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
6569 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
6570 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
6571 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
6572 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
6573 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
6574 format_types): Define.
6575 (format_char_info, print_char_table, scan_char_table,
6576 time_char_table): Rearrange for new organization of information
6577 about format length modifiers and standard versions.
6578 (T_ST): Redefine to use c_size_type_node.
6579 (check_format_info): Obtain information about length modifiers and
6580 standard versions from tables. Adjust warning message wordings.
6581 Use the name from the user's program for `ll' and `hh' length
6582 modifiers in warning messages. Use more informative names for
6583 wanted types where available (for wchar_t, wint_t, size_t, signed
6584 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
6586 2000-09-01 Jim Wilson <wilson@cygnus.com>
6588 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
6589 * combine.c (distribute_notes): Handle REG_NORETURN.
6590 * rtl.c (reg_note_name): Add REG_NORETURN.
6591 * rtl.h (enum reg_note): Likewise.
6593 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
6595 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
6596 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
6597 (emit_predicate_relation_info): Handle conditional calls with
6599 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
6600 instead of ia64_file_start.
6601 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
6602 * config/ia64/ia64.md (safe_across_calls_all,
6603 save_across_calls_normal): New patterns.
6605 * loop.c (check_final_value): Check for biv use before checking for
6606 giv use. Check for both biv and giv uses. Always set last_giv_use
6607 if there is a giv use.
6609 2000-09-01 Richard Henderson <rth@cygnus.com>
6611 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
6612 (madddi3): Likewise.
6615 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6617 * expr.c (clear_storage): Don't use emit_move_insn unless
6618 either BLKmode or proper size.
6619 (store_constructor): Don't call clear_storage if REG of wrong size.
6621 * flow.c (init_propagate_block_info): Don't mark frame dead at end
6622 of function if returns wiht stack pointer depressed.
6624 2000-09-01 Andrew Haley <aph@redhat.com>
6626 * dwarf2out.c (stack_adjust_offset): New function.
6627 (dwarf2out_stack_adjust): Break out stack adjust logic into
6628 new stack_adjust_offset function. Look inside parallels and
6629 sequences for stack adjustments.
6631 2000-08-31 Jeff Law <law@cygnus.com>
6633 * arm.md: Use no_new_pseudos to determine when it is safe
6634 to create new pseudo registers.
6636 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
6637 when we can safely allocate new registers.
6639 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
6641 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
6642 so that CONCATs are not generated for ASMs.
6643 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
6644 not generating_concat_p.
6645 * function.c (pop_function_context_from): Reset
6646 generating_concat_p.
6647 (prepare_function_start): Likewise.
6648 * rtl.c (generating_concat_p): Define.
6649 * rtl.h (generating_concat_p): Declare.
6650 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
6652 2000-08-22 Philipp Thomas <pthomas@suse.de>
6653 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
6655 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
6658 2000-08-30 Greg McGary <greg@mcgary.org>
6660 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
6661 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
6662 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
6664 2000-08-30 Greg McGary <greg@mcgary.org>
6666 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
6667 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
6668 (TREE_INT_CST): New macro.
6669 * varasm.c (const_hash, compare_constant_1, record_constant_1):
6670 Use new macro TREE_INT_CST.
6672 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
6674 * contrib.texi: Add self.
6676 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
6678 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
6679 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
6682 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6684 * fixinc/gnu-regex.c: Don't define `const'.
6686 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6688 * expr.c (store_constructor): Allow variable bounds of array type.
6689 (expand_expr): Don't blow up if type is ERROR_MARK.
6690 * varasm.c (output_constructor): Don't access lower bound of array
6691 type unless need it if index is supplied (so it can be a variable
6692 if no index is supplied).
6693 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
6694 Other minor cleanups.
6696 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6698 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
6699 for compilations in stage 1 and subsequent stages, respectively.
6700 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
6701 * configure: Rebuilt.
6702 * x-vax, x-vax-gcc: Deleted.
6704 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6706 * c-common.c (declare_function_name): Use func_id_node,
6707 function_id_node, and pretty_function_id_node. Do not make
6708 __func__ visible at file scope.
6709 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
6710 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
6711 (function_id_node, pretty_function_id_node, func_id_node): New
6713 * c-decl.c (init_decl_processing): Initialize function_id_node,
6714 pretty_function_id_node, and func_id_node.
6715 (c_make_fname_decl): Correct comment.
6717 * tree.h (struct tree_identifier): Constify pointer member.
6719 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
6720 * c-pragma.h (struct weak_syms): Constify name and value members.
6721 (add_weak): Constify arguments.
6723 * calls.c (special_function_p): Constify a char *.
6724 (expand_call): Remove variable which is initialized and then
6726 * dependence.c (struct def_use, struct induction, struct subscript):
6727 Constify 'variable' member.
6728 (get_low_bound, have_induction_variable): Constify char * argument.
6729 (find_induction_variable): Add braces to avoid dangling else.
6730 (classify_dependence): Constify char * arrays.
6731 * profile.c (output_func_start_profiler): Constify a char *.
6732 * stor-layout.c (finalize_record_size): Constify a char *.
6733 * tree.c (is_attribute_p): Constify a char *.
6734 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
6736 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
6737 for comprehensibility. Do not call get_identifier if we did
6738 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
6739 create temporary string constants, not ggc_alloc_string. No
6740 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
6741 char * to hold IDENTIFIER_POINTERs.
6743 2000-08-29 Richard Henderson <rth@cygnus.com>
6745 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
6748 2000-08-29 Richard Henderson <rth@cygnus.com>
6750 * reload.c (push_secondary_reload): Allow class == reload_class
6751 if we're using a reload_in/out pattern.
6753 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
6754 the half that does not conflict with the reload register.
6755 (reload_outti): Likewise.
6757 2000-08-29 Kazu Hirata <kazu@hxi.com>
6759 * reload.c: Fix formatting.
6761 * stmt.c: Fix formatting.
6763 * gcc.c: Fix formatting.
6765 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6767 * flags.h (time_report, mem_report): New global flags.
6768 * toplev.c: Define time_report and mem_report.
6769 (f_options): Add -ftime-report and -fmem-report.
6770 (compile_file): Turn on time_report if quiet_flag is off.
6771 Call ggc_print_statistics at very end if mem_report is on.
6772 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
6774 * ggc-common.c (ggc_print_statistics): Rename to
6775 ggc_print_common_statistics; all callers changed. Scale
6776 quantities above 10K to kilobytes and above 10M to megabytes.
6777 * ggc-page.c (ggc_page_print_statistics): Rename to
6778 ggc_print_statistics. Report memory consumed by internal data
6779 structures for each allocation bucket. Scale quantities above
6780 10K to kilobytes and above 10M to megabytes.
6781 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
6782 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
6783 Define tally_leaves always.
6784 (ggc_print_statistics): New function.
6785 * ggc.h: Adjust for renamed functions.
6787 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
6789 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
6790 output_movsisf instead of which_alternative.
6792 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
6794 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
6796 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
6797 (avr_progmem_p): New prototype.
6798 (output_movsisf): Prototype declaration changed.
6799 (output_movqi): New prototype.
6800 (output_movhi): New prototype.
6801 (call_insn_operand): Likewise.
6802 (final_prescan_insn): Likewise.
6803 (avr_simplify_comparision_p): Likewise.
6804 (avr_normalize_condition): Likewise.
6805 (compare_eq_p): Likewise.
6806 (out_shift_with_cnt): Likewise.
6807 (const_int_pow2_p): Likewise.
6808 (output_reload_inhi): Prototype declaration changed.
6810 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
6811 (ldi_reg_rtx): New. rtx for r31.
6812 (avr_init_stack): Initialize as "__stack".
6813 (function_prologue): Use it.
6814 Replace all TARGET_ENHANCED with AVR_ENHANCED.
6815 (avr_mcu_name): Initialize as "avr2".
6816 (avr_enhanced_p, avr_mega_p): New variables.
6817 (mcu_types, avr_override_options): Handle all known MCU types.
6818 Also handle avr1 (only preprocess, assemble and link).
6819 (print_operand): Using of `%K' in output template removed.
6820 (out_movqi_r_mr): Optimized.
6821 (out_movhi_r_mr): Likewise.
6822 (output_movqi): New function.
6823 (output_movhi): Likewise.
6824 (out_movsi_r_mr): Optimized.
6825 (output_movsisf): Compute insn length for `adjust_insn_length'
6826 (out_movqi_mr_r): Optimized.
6827 (out_movhi_mr_r): Optimized.
6828 (adjust_insn_length): Use output_movsisf, output_movqi,
6829 output_movhi for insn length adjusting.
6830 (reg_unused_after): Use dead_or_set_p.
6831 (preferred_reload_class): Now havn't any restriction.
6832 (reg_was_0): New function.
6833 (io_address_p): Likewise.
6834 (const_int_pow2_p): Likewise.
6835 (output_reload_inhi): Likewise.
6836 (output_reload_insisf): Likewise.
6838 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
6839 (LIB_SPEC): Use -lc for all supported devices.
6840 (LIBGCC_SPEC): Use -lgcc for all supported devices.
6841 (AVR_MEGA): Define as avr_mega_p.
6842 (AVR_ENHANCED): New, define as avr_enhanced_p.
6843 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
6844 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
6845 (CRT_BINUTILS_SPECS): Handle all known MCU types.
6846 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
6847 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
6848 (ASM_SPEC): Pass -mmcu=... to the assembler.
6849 Change all -DAVR_* to -D__AVR_*__.
6850 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
6851 Rename library functions to start with two underscores.
6852 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
6854 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
6855 (SUPPORTS_WEAK): Likewise.
6856 (LDI_REG_REGNO): New. Register r31 will be used as temporary
6857 register for loading constants to r0-r14.
6859 * config/avr/avr.md: Replace all TARGET_ENHANCED with
6861 (*mov_r_sp): Removed. Handled by output_movhi.
6862 (*mov_sp_r): Likewise.
6863 (*mov_sp_r_no_interrupts): Likewise
6864 (*mov_sp_r_tiny): Likewise.
6865 (*movqi): Use output_movqi.
6866 (*reload_inqi): New.
6867 (*movhi): Use output_movhi.
6868 (*reload_inhi): New.
6869 (*negsi2): Optimized.
6870 (*negsf2): Likewise.
6871 Added peepholes (define_peephole2) for loading constants to r0-r14
6872 and for using `cpse' command.
6874 * config/avr/libgcc.S: Rename library functions to start with two
6876 Add support for enhanced core.
6877 (_moqhi3): Fix typo, now _modqi3.
6878 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
6879 (__prologue_saves__): Remove test for stack adjust by 0.
6880 (__tablejump__): New.
6882 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
6883 Add multilib support.
6885 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
6887 * loop.c (prescan_loop): Don't check unknown_address_altered
6888 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
6889 to loop_store_mems as necessary.
6890 (loop_invariant_p): Don't check unknown_address_altered
6891 or unknown_constant_address_altered.
6893 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6895 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
6897 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6899 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
6900 print just the filename.
6901 * cpplex.c (_cpp_run_directive): Add additional argument, the
6902 name to give the synthetic buffer. This defaults to
6903 translated "<command line>".
6904 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
6906 (_cpp_define_builtin): New function.
6907 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
6908 * cpphash.h: Update prototypes.
6910 * tradcpp.c (main): Process -D and -U simultaneously, in the
6911 order they appeared on the command line.
6913 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6915 * c-decl.c (define_label): Call warning_with_file_and_line and
6916 error_with_file_and_line instead of plain warning or error.
6918 * c-parse.in (label): Use save_filename/save_lineno to ensure
6919 correct values for calls to define_label.
6921 2000-08-29 Mark Mitchell <mark@codesourcery.com>
6923 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
6925 * expr.c (expand_expr, case TARGET_EXPR): Don't call
6927 * tree.h (get_file_function_name): Remove two duplicate
6930 2000-08-28 Kazu Hirata <kazu@hxi.com>
6932 * tree.c: Fix formatting.
6934 * xcoffout.c: Fix formatting.
6936 2000-08-28 Jason Merrill <jason@redhat.com>
6938 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
6940 2000-08-28 Daniel Berlin <dberlin@redhat.com>
6942 * dwarf2out.c (dwarf2out_finish): Don't bother calling
6943 break_out_includes if it won't do anything.
6945 2000-08-28 Richard Henderson <rth@cygnus.com>
6947 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
6948 (find_reloads): Likewise.
6949 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
6950 (reload_inhi): Likewise.
6952 2000-08-28 Richard Henderson <rth@cygnus.com>
6954 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
6955 (call_insn_operand): Don't expect a surrounding mem.
6956 (constant_call_address_operand): Likewise.
6957 * config/i386/i386.h (PREDICATE_CODES): Update.
6958 * config/i386/i386.md (call patterns): Move the match_operand
6959 for the call destination inside the mem.
6961 2000-08-28 Richard Henderson <rth@cygnus.com>
6963 * local-alloc.c (requires_inout): Don't use reserved range for
6964 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
6965 * recog.c (asm_operand_ok): Likewise.
6966 (preprocess_constraints, constrain_operands): Likewise.
6967 * regclass.c (record_reg_classes): Likewise.
6968 * reload.c (find_reloads): Likewise.
6969 * reload1.c (maybe_fix_stack_asms): Likewise.
6970 (reload_cse_simplify_operands): Likewise.
6971 * stmt.c (expand_asm_operands): Likewise.
6973 * md.texi: Update constraints documentation.
6974 * tm.texi (EXTRA_CONSTRAINT): Update.
6976 2000-08-28 Daniel Berlin <dberlin@redhat.com>
6978 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
6979 (print_die): If we don't know the offset of the
6980 target die, try the symbol. Add a trailing newline.
6981 (reverse_all_dies): New fn.
6982 (dwarf2out_finish): Call it.
6983 (break_out_includes): Reorganize for clarity.
6984 (add_sibling_attributes): Don't call reverse_die_lists.
6985 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
6987 * flags.h: Add flag_eliminate_dwarf2_dups.
6988 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
6990 2000-08-28 Jason Merrill <jason@redhat.com>
6992 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
6993 * dwarf2out.c: #include "md5.h".
6994 (DIE_LABEL_PREFIX): New macro.
6995 (dw_val_struct): Add 'external' flag to val_die_ref.
6996 (add_AT_die_ref, AT_ref): Adjust.
6997 (AT_ref_external, set_AT_ref_external): New fns.
6998 (build_abbrev_table): Call set_AT_ref_external.
6999 (value_format): Call AT_ref_external.
7000 (die_struct): Add die_symbol field.
7001 (new_die): Clear it.
7002 (dwarf_tag_name): Handle BINCL/EINCL.
7003 (dwarf2out_start_source_file): Add BINCL DIE.
7004 (dwarf2out_end_source_file): Add EINCL DIE.
7005 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
7006 (loc_checksum, attr_checksum, die_checksum): New fns.
7007 (is_type_die, is_comdat_die, is_symbol_die): New fns.
7008 (compute_section_prefix, assign_symbol_names): New fns.
7009 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
7010 (output_die): Call output_die_symbol and AT_ref_external.
7011 (output_comdat_comp_unit): New fn, split out from...
7012 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
7014 (output_pubnames, output_aranges): Abort if we see entries from
7016 * toplev.h: Declare file_name_nondirectory.
7017 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
7018 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
7019 (debug_start_source_file): Call dwarf2out_start_source_file
7020 regardless of debug verbosity.
7021 (debug_end_source_file): Similarly.
7022 * tree.h: Declare clean_symbol_name.
7023 * tree.c (clean_symbol_name): Split out from...
7024 (get_file_function_name_long): ...here.
7026 * dwarf2out.c (new_loc_descr): Use calloc.
7027 (splice_child_die): Remove the die from the right parent.
7028 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
7030 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7032 * toplev.c (decode_g_option): Don't give warning for unknown -g
7033 option; return 0 instead.
7034 (main): If -g option is not recognized by front end or
7035 language-independent code, give warning.
7037 2000-08-28 Greg McGary <greg@mcgary.org>
7039 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
7040 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
7041 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
7043 2000-08-27 Greg McGary <greg@mcgary.org>
7045 * cpplex.c (parse_string): Don't look for backslash
7046 before first char in `namebuf'.
7047 * loop.c (strength_reduce): Skip NOTEs.
7049 2000-08-27 Jason Merrill <jason@redhat.com>
7051 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
7052 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
7053 TREE_ASM_WRITTEN, either.
7054 (finish_decl): Adjust.
7056 2000-08-28 Philipp Thomas <pthomas@suse.de>
7058 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
7059 they have been incorporated into the gettext CVS. Change the text to
7060 reflect the current status of NLS. Add instructions for accessing
7061 the gettext CVS and add the patch from Martin v. Loewis.
7063 2000-08-27 Geoff Keating <geoffk@cygnus.com>
7065 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
7066 by using gen_lowpart_common.
7067 (movdi_internal64+6): Likewise.
7069 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
7071 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
7074 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
7075 numbers to the ranges used by GDB.
7077 2000-08-25 Richard Henderson <rth@cygnus.com>
7079 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
7080 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
7081 (ia64_expand_prologue): Likewise.
7082 (ia64_setup_incoming_varargs): Set it. Properly skip the current
7083 argument for stdargs.
7085 2000-08-25 Jason Merrill <jason@redhat.com>
7087 * integrate.c (expand_inline_function): Pull out the original decl.
7089 2000-08-25 Jim Wilson <wilson@cygnus.com>
7091 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
7093 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
7095 2000-08-25 Greg McGary <greg@mcgary.org>
7097 * flow.c (dump_edge_info): Use ARRAY_SIZE.
7098 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
7100 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
7102 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
7104 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
7106 * i386.c (ix86_find_base_term): New.
7107 * i386-protos.h (ix86_find_base_term): Prototype.
7108 * i386.h (FIND_BASE_TERM): Define.
7109 * alias.c (find_base_term): Use it.
7110 * tm.texi (FIND_BASE_TERM): Document it.
7112 * alias.c (true_dependence, write_dependence_p): Unchanging
7113 memory can't conflict with non-unchanging memory.
7115 * alias.c (memrefs_conflict_p): A BLKmode reference
7116 to a symbol (or CONST_INT address) always conflicts
7117 with a reference to another symbol.
7119 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
7121 * c-common.c (time_char_table): Don't allow width and flags with
7124 2000-08-25 Jakub Jelinek <jakub@redhat.com>
7126 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
7127 way as LT and LTU when the second operand has 0 in low word.
7129 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7131 * basic-block.h (struct loop): Rename `exits' field to
7132 `exit_edges'. Add `entry_edges' and `num_entries' fields.
7134 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
7135 (flow_loop_entry_edges_find): Add.
7136 (flow_edge_list_print): Rename from flow_exits_print.
7137 (flow_loops_find): Call flow_loop_entry_edges_find.
7138 (flow_loop_dump): Dump entry_edges list.
7139 (flow_loops_free): Free entry_edges.
7141 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7143 * loop.c (loop_dump_aux, debug_loop): New functions.
7144 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
7146 * flow.c (flow_loops_dump): Add callback parameter.
7147 (flow_loop_dump): Add callback parameter and call it. Move
7148 loop note debugging code to loop_dump_aux.
7150 * basic-block.h (flow_loop_dump): Add callback parameter
7151 (flow_loops_dump): Likewise.
7153 * toplev.c (rest_of_compilation): Add NULL callback function pointer
7154 to call to flow_loops_dump.
7156 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7158 * loop.c (count_loop_regs_set): Replace start and end arguments
7159 with loop argument. All callers udated.
7161 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7163 * loop.c (constant_high_bytes): Delete.
7165 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7167 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
7168 and NOTE_INSN_LOOP_VTOP to...
7169 (find_and_verify_loops) ...here.
7171 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
7173 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
7174 (fini_dummy, init_dummy): Use it.
7176 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
7178 * cpplex.c (is_macro_disabled): Caller has already checked
7179 that we're not a preprocessed file.
7181 2000-08-24 Mark Mitchell <mark@codesourcery.com>
7183 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
7184 (c-iterate.o): Remove target.
7185 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
7186 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
7187 (finish_decl): Don't handle iterators.
7188 (grokdeclarator): Likewise.
7189 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
7190 * gcc/c-gperf.h: Regenerated.
7191 * gcc/c-iterate.c: Removed.
7192 * gcc/c-lex.c (init_lex): Don't handle iterators.
7193 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
7194 (compstmt_primary_start): Remove push_iterator_stack call.
7195 (stmt): Don't allow iterator statements. Replace iterator_expand
7196 with expand_expr_stmt.
7197 (all_iter_stmt): Remove.
7198 (all_iter_stmt_simple): Likewise.
7199 (all_iter_stmt_with_decl): Likewise.
7200 * gcc/c-tree.h (ITERATOR_P): Remove.
7201 (ITERATOR_BOUND_P): Likewise.
7202 (init_iterators): Remove declaration.
7203 (iterator_expand): Likewise.
7204 (iterator_for_loop_start): Likewise.
7205 (iterator_for_loop_end): Likewise.
7206 (iterator_for_loop_record): Likewise.
7207 (push_iterator_stack): Likewise.
7208 (pop_iterator_stack): Likewise.
7209 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
7210 (readonly_warning): Likewise.
7211 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
7213 2000-08-24 Jim Wilson <wilson@cygnus.com>
7215 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
7216 Copy type in a TYPE_DECL, just like pushdecl does.
7218 2000-08-24 Richard Henderson <rth@cygnus.com>
7220 * toplev.c (main): Enable flag_reorder_blocks at -O2.
7222 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7224 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
7225 asked for one page, allocate GGC_QUIRE_SIZE of them and put
7226 the extras on the free list.
7227 (release_pages): Clean up.
7228 (ggc_set_mark): Don't adjust G.allocated here...
7229 (sweep_pages): ... do it here.
7231 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7233 * cppfiles.c (read_include_file): Rearrange initializations.
7235 2000-08-24 Richard Henderson <rth@cygnus.com>
7237 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
7239 * config/ia64/ia64-protos.h: Update.
7240 * config/ia64/ia64.c (gr_register_operand): New.
7241 (fr_register_operand, grfr_register_operand): New.
7242 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
7243 (grfr_reg_or_8bit_operand): New.
7244 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
7245 use gr_register_operand.
7246 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
7247 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
7248 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
7249 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
7250 (fr_reg_or_fp01_operand): Likewise.
7251 (not_postinc_memory_operand): New.
7252 (ia64_split_timode): Remove unused variables.
7253 (rtx_needs_barrier): Check arguments to cmpxchg.
7254 (builtin_description): Remove.
7255 (bdesc_2argsi, bdesc_2argdi): Remove.
7256 (ia64_init_builtins): Declare all builtins directly.
7257 (ia64_expand_fetch_and_op): Rewrite to be called from
7258 ia64_expand_builtin directly. Use expand_binop and co.
7259 (ia64_expand_op_and_fetch): Likewise.
7260 (ia64_expand_compare_and_swap): Likewise.
7261 (ia64_expand_binop_builtin): Remove.
7262 (ia64_expand_lock_test_and_set): New.
7263 (ia64_expand_lock_release): New.
7264 (ia64_expand_builtin): Use them.
7265 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
7266 (EXTRA_CONSTRAINT): Use it.
7267 (PREDICATE_CODES): Update.
7268 * config/ia64/ia64.md (*): Use gr_register_operand and co.
7269 (mf): Indicate that we set memory as well as use it.
7270 (fetchadd_acq_si): Show memory being modified as well.
7271 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
7272 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
7273 (lock_test_and_set_si, lock_test_and_set_di): Remove.
7274 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
7275 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
7276 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
7277 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
7278 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
7279 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
7280 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
7281 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
7282 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
7283 return type. Pretty print definitions.
7285 2000-08-24 Jim Wilson <wilson@cygnus.com>
7287 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
7288 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
7290 2000-08-24 Jason Merrill <jason@redhat.com>
7292 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
7293 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
7294 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
7295 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
7297 2000-08-24 Greg McGary <greg@mcgary.org>
7299 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
7300 and extendtab within their proper array boundaries.
7301 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
7302 for the entire array.
7304 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
7305 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
7306 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
7307 * config/fr30/fr30.c (fr30_print_operand): Likewise.
7308 * config/i386/dgux.c (output_options): Likewise.
7309 * config/i386/dgux.h (ASM_FILE_START): Likewise.
7310 * config/m88k/m88k.c (output_options): Likewise.
7311 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
7312 * config/mcore/mcore.c (mcore_output_inline_const_forced,
7313 layout_mcore_frame, handle_structs_in_regs): Likewise.
7314 * config/mips/mips.c (output_block_move): Likewise.
7315 * config/rs6000/rs6000.c (rs6000_override_options,
7316 rs6000_file_start): Likewise.
7317 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
7318 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
7319 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
7320 * builtins.c (expand_builtin_setjmp): Likewise.
7321 * expr.c (safe_from_p): Likewise.
7322 * flow.c (life_analysis): Likewise.
7323 * fold-const.c (size_int_type_wide): Likewise.
7324 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
7325 * genattrtab.c (make_length_attrs): Likewise.
7326 * genopinit.c (gen_insn): Likewise.
7327 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
7328 * global.c (global_alloc): Likewise.
7329 * local-alloc.c (find_free_reg): Likewise.
7330 * mips-tdump.c (print_symbol): Likewise.
7331 * mips-tfile.c (parse_def, parse_input): Likewise.
7332 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
7333 * stmt.c (expand_nl_goto_receiver): Likewise.
7334 * stor-layout.c (set_sizetype): Likewise.
7335 * varasm.c (decode_reg_name): Likewise.
7336 * toplev.c (decode_f_option, decode_W_option,
7337 set_target_switch, print_switch_values): Likewise.
7338 (NUM_ELEM): Remove macro.
7339 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
7341 2000-08-24 Greg McGary <greg@mcgary.org>
7343 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
7344 (MAIN_NAME_P, main_identifier_node): New macros.
7345 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
7346 * c-decl.c (start_decl, grokdeclarator, start_function,
7347 store_parm_decls, finish_function): Use MAIN_NAME_P.
7348 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
7349 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
7350 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7351 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
7353 2000-08-24 Greg McGary <greg@mcgary.org>
7355 * cppfiles.c (actual_directory): Don't write beyond `dir'
7356 when it contains "".
7357 * real.c (asctoeg): Stay within bounds of etens[][].
7359 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7361 * dependence.c (dependence_string, direction_string,
7362 dump_one_node, dump_node_dependence): Hide unused identifiers.
7363 (get_low_bound, normalize_coefficients): Match definition to
7365 (get_one_coefficient): Initialize variables `value0_is_idx' and
7367 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
7368 (ziv_test): Delete variable `idx', use parameter `sub' instead.
7369 (direction_merge): Avoid automatic aggregate initialization.
7370 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
7371 Initialize variables `dest_idx' and `src_idx'.
7372 (end_dependence_analysis): Avoid C89 style function definition.
7374 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
7376 * c-common.c (time_char_table): Don't allow width with %F.
7377 (check_format_info): Don't allow "Z" length with scanf.
7379 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
7381 * diagnostic.c (finish_diagnostic): Define.
7382 (output_do_printf): Use wrap_text instead of output_add_string.
7383 (default_print_error_function): Avoid embedded '\n'.
7385 * diagnostic.h (flush_diagnostic_buffer): Declare.
7387 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
7389 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
7391 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
7393 * Makefile.in (GCC_PASSES): Add specs.
7395 2000-08-23 Jim Wilson <wilson@cygnus.com>
7397 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
7398 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
7399 EHANDLER nor UHANDLER bit is set.
7400 (__get_except_table): Likewise.
7402 2000-08-23 Nick Clifton <nickc@redhat.com>
7404 * config/arm/lib1funcs.asm: Replace upper case condition codes
7405 with lower case versions.
7407 * config/arm/arm.h (STRUCT_VALUE): Define.
7408 (STRUCT_VALUE_REGNUM): Delete.
7410 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
7412 * cpphash.h (IN_I): New flag for directive table.
7413 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
7415 (_cpp_check_directive): If -fpreprocessed, execute directives
7416 marked with IN_I. Issue no warnings in this case.
7417 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
7419 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
7421 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
7423 (check_format_info): Support printf 'I' flag; warn about it with
7426 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
7428 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
7429 barrier can't be ignored by the alias analysis code.
7431 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
7433 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
7434 works inside fixincl.
7436 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
7438 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
7439 simplify_relational_operation() unless both operands are of
7441 * cse.c (fold_rtx): Likewise.
7443 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
7445 * rtlanal.c (rtx_unstable_p): The pic register is stable
7446 (within one function) and the actual rtx should be used
7447 when checking the registers.
7448 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
7450 * alias.c (true_dependence, write_dependence_p): Fix
7451 bug in previous patch.
7453 * i386.c (ix86_GOT_alias_set): New.
7454 (legitimize_pic_address): Use it.
7456 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
7457 only stable if its address is stable.
7458 (rtx_varies_p): An unchanging MEM can't vary if
7459 its address doesn't vary.
7461 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7463 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
7465 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7467 * vax.h (ASM_SPEC): Pass `-J' to assembler.
7468 * x-vax-gcc: New file for bootstrapping with gcc.
7469 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
7470 * configure.in: Use x-vax-gcc with gcc.
7471 * configure: Rebuilt.
7473 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7475 * toplev.c (rest_of_compilation): Rebuild label notes after
7476 post-reload splitting pass if new labels have been created.
7478 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7480 * diagnostic.h (output_buffer_state): New macro.
7481 * diagnostic.c (diagnostic_for_decl, sorry,
7482 default_print_error_function, output_do_verbatim,
7483 report_diagnostic, report_problematic_module): Use it.
7485 (output_format): Use wrap_text instead of maybe_wrap_text.
7487 2000-08-22 Nick Clifton <nickc@redhat.com>
7489 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
7490 Common code for ARM divide and modulus functions.
7491 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
7493 (FUNC_END): New macro: Common code at the end of the division and
7495 (THUMB_FUNCTION_START): New macro: Common code at the start of
7497 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
7499 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
7501 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
7503 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
7504 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
7507 2000-08-22 Nick Clifton <nickc@redhat.com>
7509 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
7510 restorative additions, test for bottom bits of IP being set,
7511 rather than relying upon the RORs not matching.
7514 2000-08-22 David Edelsohn <edelsohn@gnu.org>
7516 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
7517 text_section() as appropriate instead of emitting text csect
7519 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
7520 (UNIQUE_SECTION): Define macro.
7521 (ASM_OUTPUT_SECTION_NAME): Define macro.
7522 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
7523 on AIX if debugging and -fdata-sections always.
7525 2000-08-22 Steven King <sxking@uswest.net>
7527 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
7529 (LDBL_MAX): Same here.
7531 2000-08-22 Richard Henderson <rth@cygnus.com>
7533 * flow.c (tidy_fallthru_edge): Update b->end properly.
7535 2000-08-22 Stan Cox <scox@redhat.com>
7537 * Makefile.in (OBJS): Add dependence.o.
7538 * dependence.c: New file.
7540 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
7542 * calls.c (check_sibcall_argument_overlap_1): Adjust for
7544 (check_sibcall_argument_overlap): Likewise.
7546 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
7548 * invoke.texi (SH Options): Document -m4-nofpu,
7549 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
7550 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
7552 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
7554 * c-common.c (check_format_info): Give the 'some locales' warning
7555 for strftime %Ey rather than the unconditional 'only last 2 digits
7558 2000-08-22 Richard Henderson <rth@cygnus.com>
7560 * alias.c (init_alias_analysis): Do not register
7561 struct_value_incoming_rtx or static_chain_rtx as pointing
7564 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
7566 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
7568 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7570 * diagnostic.h (report_problematic_module): Declare.
7571 * diagnostic.c (report_problematic_module): New function.
7572 (report_error_function): Tweak.
7574 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7576 * stmt.c (expand_goto_internal, fixup_gotos): Only check
7577 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7579 2000-08-21 Richard Henderson <rth@cygnus.com>
7581 * flow.c (calculate_global_regs_live): Mark frame pointer live
7582 everywhere before reload.
7584 2000-08-21 Jim Wilson <wilson@cygnus.com>
7586 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
7587 INTEL_EXTENDED_IEEE_FORMAT.
7588 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
7589 clear last two bytes of output FP value.
7591 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
7593 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
7595 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7597 * unroll.c (loop_find_equiv_value): If ret is modified between
7598 insn and loop_start, ret might not be equivalent to reg.
7600 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7602 * c-common.c (init_dollar_format_checking,
7603 maybe_read_dollar_number, finish_dollar_format_checking): New
7605 (dollar_arguments_used, dollar_arguments_count,
7606 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
7608 (check_format_info): Support $ formats for scanf and printf width
7609 and precision. Always increment format_chars to advance past the
7610 '*' of precision, not just when the format parameters are
7613 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7615 * mips.c (block_move_loop, expand_block_move,
7616 function_arg_partial_nregs, save_restore_insns, function_prologue,
7617 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
7619 (function_arg_advance, function_arg): Match argument to format
7622 2000-08-21 Nix <nix@esperi.demon.co.uk>
7624 * gcc.c (do_spec_1): Implement %j spec flag.
7625 Remove dead comment.
7627 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
7628 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
7629 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
7630 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
7632 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
7633 writable) instead of hardcoded value.
7635 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
7637 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
7640 * gcc.c (cc1_options): Do not process -o or run the assembler if
7642 * objc/lang-spec.h: Likewise.
7644 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
7646 * fixinc/fixincl.c (fix_with_system): Pipe the output of
7647 "external" fixes through `cat', to avoid truncating the input
7648 file by redirection.
7650 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7652 * config/i386/i386.md (lea_general_1): Copy insn condition to split
7654 (lea_general_2, lea_general_3): Likewise.
7656 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7658 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
7659 warnings to user code.
7661 * c-lex.c (readescape, yylex): Likewise.
7663 * c-typeck.c (store_init_value, process_init_element): Likewise
7664 (c_expand_start_case): Format.
7666 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
7668 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
7670 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
7671 and linker_endian_spec to endian_spec.
7672 (ENDIAN_SPEC): Add %{EB} and %{EL}.
7673 (LINK_SPEC): Remove %{EB} and %{EL}.
7674 (ASM_SPEC): Likewise. Use %(endian_spec).
7676 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7678 * c-tree.h (flag_hosted): Move declaration from here...
7679 * c-common.h (flag_hosted): ... to here.
7680 (flag_noniso_default_format_attributes): New declaration.
7681 * c-decl.c (flag_noniso_default_format_attributes): New variable.
7682 (c_decode_option): Set it appropriately for options choosing
7683 language standard variant.
7684 * c-common.c (init_function_format_info): Only provide default
7685 format attributes if flag_hosted. Only provide the gettext
7686 formats if flag_noniso_default_format_attributes. Update
7688 (check_format_info): Disable treatment of %a as a scanf flag in
7691 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7693 * c-common.c (scan_char_table): Add 'w' to flags for all formats
7695 (check_format_info): Set 'wide' for scanf format widths. Warn for
7696 a zero scanf width. Make the check for writing into a constant
7697 object at the first level of indirection; at later levels, warn if
7698 any type qualifiers are encountered.
7700 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
7702 * reload.c (reload_inner_reg_of_subreg): New function broken out of
7704 (push_reload): Use reload_inner_reg_of_subreg.
7705 (combine_reloads): Do not combine reloads if the input reload
7706 is a SUBREG in which the inner part will need reloading.
7708 * global.c (global_alloc): Avoid passing dumpfile argument to
7710 * toplev.c (rest_of_compilation): Likewise.
7711 * reload.h (reload): Remove dumpfile argument. Callers changed.
7712 (debug_reload, debug_reload_to_stream): Move prototypes here.
7713 * rtl.h (reload): Remove dumpfile argument.
7714 * reload.c (debug_reload): Remove prototype.
7715 (debug_reload_to_stream): Likewise.
7716 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
7719 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7721 * diagnostic.c (context_as_prefix): Export.
7722 (need_error_newline): Remove.
7723 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
7724 (error_module_changed, record_last_error_module,
7725 error_function_changed, record_last_error_function): New functions.
7726 (initialize_diagnostics): Default intialize
7727 lang_diagnostic_starter, lang_diagnostic_finalizer.
7728 (init_output_buffer): Tweak.
7729 (file_name_as_prefix): New function.
7730 (announce_function, default_print_error_function,
7731 report_error_function, set_diagnostic_context): Tweak.
7733 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
7735 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
7736 condition expression.
7738 2000-08-20 Richard Henderson <rth@cygnus.com>
7740 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
7742 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
7744 * cppinit.c (cpp_init): Set global flag when called.
7745 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
7747 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
7749 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
7750 before `process_directive' so that newlines won't be missed
7752 (cpp_printf): Increment `print->lineno' when newline is emitted.
7754 * cppmain.c (cb_ident): Likewise.
7755 (cb_define): Likewise.
7756 (cb_undef): Likewise.
7757 (cb_include): Likewise.
7758 (cb_def_pragma): Likewise.
7759 (dump_macros_helper): Likewise.
7761 2000-08-20 Richard Henderson <rth@cygnus.com>
7763 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
7764 assigned before a loop.
7766 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
7767 (ashrsi3, lshrsi3): Likewise.
7769 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
7771 * c-lang.c: #include diagnostic.h
7772 (c_tree_printer): New function.
7773 (lang_init): Initialize lang_printer.
7775 * Makefile.in (c-lang.o): Depends on diagnostic.h
7777 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
7779 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
7781 * diagnostic.c (default_diagnostic_starter,
7782 default_diagnostic_finalizer): New functions.
7783 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
7784 (pedwarn, pedwarn_with_file_and_line, error,
7785 error_with_file_and_line, fatal, warning,
7786 warning_with_file_and_line): Adjust call to report_diagnostic.
7787 (report_diagnostic): Rework.
7788 (set_diagnostic_context): New function.
7790 * diagnostic.h (struct diagnostic_context): New data structure.
7791 (diagnostic_message, diagnostic_argument_list,
7792 diagnostic_file_location, diagnostic_line_location,
7793 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
7794 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
7795 (set_diagnostic_context): Declare.
7796 (report_diagnostic): Change prototype.
7798 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
7800 * fix-header.c (main): Initialize cpplib.
7802 2000-08-19 Michael Meissner <meissner@redhat.com>
7804 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
7805 instructions in it before checking for indirect jumps.
7807 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
7808 in a indirect jump as a potential for conditional execution.
7810 * d30v.h (d30v_init_expanders): Don't declare here.
7811 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
7814 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
7816 * cpp.texi: Add @section for assertions.
7818 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
7820 * loop.c (scan_loop): Use CONST_CALL_P instead of
7821 checking for REG_LIBCALL / REG_RETVAL.
7823 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
7825 * reload1.c (reload_as_needed): Accept dumpfile argument,
7826 pass it to emit_reload_insns.
7827 (emit_reload_insns): Add new dumpfile argument. If non-null
7828 then dump the reloads for each insn into the dumpfile.
7829 (reload): Pass dumpfile to reload_as_needed.
7831 * invoke.texi: Clean up linux-gnu vs linux comments.
7833 2000-08-19 Richard Henderson <rth@cygnus.com>
7835 * config/ia64/ia64.c (reg_or_5bit_operand): New.
7836 (ia64_depz_field_mask): New.
7837 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
7838 (PREDICATE_CODES): Update.
7839 * config/ia64/ia64.md: Update commentary.
7840 (depz_internal): New.
7841 (ashlsi3): Implement directly.
7842 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
7843 (ashldi3): Use shladd.
7844 * config/ia64/ia64-protos.h: Update.
7846 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
7848 * toplev.c (independent_decode_option): Always process -g.
7849 Remove third argument, now unused. Adjust caller to match.
7851 2000-08-18 Richard Henderson <rth@cygnus.com>
7853 * combine.c (make_compound_operation): Break after creating
7856 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
7858 * cpplib.c (cpp_register_pragma_space): Just return if the
7859 namespace is already registered.
7861 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
7863 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
7864 constant amount. Do not generate ROTL instruction.
7866 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
7868 * config/sh/elf.h: Do not include sh/sh.h.
7869 * config/sh/rtems.h: Likewise.
7870 * config/sh/rtemself.h: Do not include sh/elf.h.
7871 * configure.in: Get them included with `tm_file's.
7872 * configure: Rebuilt.
7874 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
7875 * config/sh/sh.c (fpscr_set_from_mem): Use them.
7877 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7879 * stor-layout.c (compute_record_type): Don't use mode of single
7880 field as mode of record if not integer mode of same type.
7882 * regmove.c (perhaps_ends_bb_p): New function.
7883 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
7884 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
7885 (fixup_match_1): Likewise.
7886 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
7887 avoid signed/unsigned warnings.
7889 * function.c (fixup_var_refs_1, case MEM): Update CODE after
7892 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
7894 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
7895 (_cpp_trigraph_map): Declaration moved from cpplex.c
7897 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
7898 instead of 256. Use consistent test for designated initializers.
7899 (cpp_init): Initialize trigraph_map.
7900 (initialize_standard_includes, parse_option): Use memcmp
7903 * cpplex.c (init_trigraph_map): Remove.
7904 (trigraph_ok, trigraph_replace, lex_line): Refer to
7907 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
7908 (do_unassert): Remove unused "next" local.
7910 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
7912 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
7914 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
7917 2000-08-17 Richard Henderson <rth@cygnus.com>
7919 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
7920 the first insn in a sequence.
7922 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
7924 * alias.c (true_dependence, write_dependence_p): A read
7925 involving a label_ref or the constant pool doesn't create
7928 * rtl.h (unchanging): Improve documentation.
7930 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
7932 * cse.c (insert_regs): Remove unused `regno'.
7934 2000-08-17 Neil Booth <NeilB@earthling.net>
7936 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
7937 remove_dup_dirs. If qtail == brack, remove brack not
7939 (remove_dup_dir, remove_dup_dirs): New functions.
7941 2000-08-17 Neil Booth <NeilB@earthling.net>
7943 * cppinit.c (cpp_cleanup): Free include dir chains.
7944 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
7945 (do_unassert): Free the assert with _cpp_free_definition.
7946 * cppmacro.c (_cpp_free_definition): Free memory allocated for
7947 assertions. Make the node a T_VOID node.
7949 2000-08-17 Neil Booth <NeilB@earthling.net>
7951 * cppinit.c (path_include, append_include_chain):
7952 Remove 2nd parameter (struct cpp_pending *).
7953 (path_include, initialize_standard_includes, cpp_handle_option):
7954 Update callers appropriately.
7955 (cpp_handle_option): Use pend.
7957 2000-08-17 Neil Booth <NeilB@earthling.net>
7959 * cppinit.c (sort_options): Remove, put functionality in
7962 (initialize_builtins): Free memory.
7963 (cpp_start_read): Move init_IStable to cpp_init.
7965 * cpplib.h (cpp_init): New prototype.
7966 * cppmain.c (main): Call cpp_init.
7968 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
7970 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
7971 (rtx_unstable_p, rtx_varies_p): Process vectors.
7973 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7975 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
7976 references to GLOBAL symbols. Use LOCAL where appropriate.
7978 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7980 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
7981 use t-aix41 when host == target.
7983 2000-08-16 Richard Henderson <rth@cygnus.com>
7985 * reload.c (push_secondary_reload): Revert last change.
7986 If we use a reload_in/out pattern, make the when the same
7987 as the primary reload.
7988 (find_reloads): Likewise.
7990 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
7992 * configure.in (libstdcxx-v3): Fix test.
7993 * configure: Regenerate.
7995 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7997 * calls.c (calls_function_1, expand_call): Only test
7998 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7999 * function.c (thread_prologue_and_epilogue_insns): Likewise.
8001 2000-08-16 Richard Henderson <rth@cygnus.com>
8003 * combine.c (simplify_shift_const): Revert previous two
8004 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
8005 before the main loop.
8007 2000-08-15 Richard Henderson <rth@cygnus.com>
8009 * combine.c (simplify_shift_const): Bound shift count when
8012 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8014 * calls.c (ECF_SP_DEPRESSED): New macro.
8015 (calls_function_1): Treat calling sp-depressed function as alloca.
8016 (emit_call_1): Don't adjust SP if calling sp-depressed function.
8017 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
8018 If sp-depressed, ensure block saves and restores SP.
8019 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
8021 * function.c (keep_stack_depressed): New function.
8022 (thread_prologue_and_epilogue_insns): Call it.
8023 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
8024 to print DECL_OFFSET_ALIGN.
8025 Print no-force-blk and transparent-union flags properly.
8026 * stmt.c (expand_goto_internal): Don't restore stack if last block
8027 and function returns with sp depressed.
8028 (fixup_gotos): Likewise.
8029 (save_stack_pointer): New function, from code in expand_decl.
8030 (expand_decl): Call new function.
8031 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
8032 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
8033 (save_stack_pointer): New declaration.
8035 * diagnostic.c (fatal_function): New variable.
8036 (set_fatal_function): New function.
8038 * diagnostic.h (set_fatal_function): New declaration.
8040 2000-08-15 William Cohen <wcohen@redhat.com>
8042 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
8043 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
8044 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
8046 2000-08-15 Richard Henderson <rth@cygnus.com>
8048 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
8050 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8052 * arm.c (arm_function_ok_for_sibcall): New function.
8053 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
8054 * arm.md (call expanders): Don't check here for calls that can't
8057 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8059 * arm.md (splits generating cond_exec): Disable.
8061 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8063 * arm/linux-elf.h (text_section): Delete declaration.
8065 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8067 ARM support for unordered FP operations.
8068 * arm-protos.h (arm_comparison_operator): Declare.
8069 * arm.c (arm_comparison_operator): New function.
8070 (arm_select_cc_mode): Add unordered comparison codes.
8071 (get_arm_condition_code): Likewise.
8072 (arm_final_prescan_insn): Can't handle unordered jumps that can't
8073 be done in one insn.
8074 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
8075 * arm.md (all uses of comparison_operator): Replace with
8076 arm_comparison_operator.
8077 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
8079 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
8082 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8084 * gthr-posix.h: Conditionally include <sched.h>; include
8085 <config.h> from libobjc/.
8087 2000-08-14 Richard Henderson <rth@cygnus.com>
8089 * config/i386/i386.c (legitimize_pic_address): Use Pmode
8092 2000-08-14 Richard Henderson <rth@cygnus.com>
8094 * configure.in (ia64-*): Set float_format for i386 long double.
8096 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
8097 as we would for i386 XFmode.
8098 (PUT_REAL): Likewise.
8099 (endian, ereal_atof, real_value_truncate): Likewise.
8100 (ereal_isneg, toe64, etens, make_nan): Likewise.
8101 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
8103 * config/ia64/ia64-protos.h: Update.
8104 * config/ia64/ia64.c (general_tfmode_operand): New.
8105 (destination_tfmode_operand): New.
8106 (tfreg_or_fp01_operand): New.
8107 (ia64_split_timode): New.
8108 (spill_tfmode_operand): New.
8109 (ia64_expand_prologue): Use TFmode not XFmode.
8110 (ia64_expand_epilogue): Likewise.
8111 (ia64_function_arg): Likewise.
8112 (ia64_function_arg_advance): Likewise.
8113 (ia64_return_in_memory): Likewise.
8114 (ia64_function_value): Likewise.
8115 (ia64_print_operand): Likewise.
8116 (ia64_register_move_cost): Set GR<->FR to 5.
8117 (ia64_secondary_reload_class): Get GR for TImode memory op.
8118 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
8119 (ROUND_TYPE_ALIGN): Remove.
8120 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
8121 (INTEL_EXTENDED_IEEE_FORMAT): Define.
8122 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
8123 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
8124 (MODES_TIEABLE_P): Use TFmode, not XFmode.
8125 (CLASS_MAX_NREGS): Likewise.
8126 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
8127 (PREDICATE_CODES): Update.
8128 * config/ia64/ia64.md (movti): New.
8129 (movti_internal): Use a clobber for memory alternatives.
8130 (reload_inti, reload_outti): New.
8131 (movsfcc_astep): Predicate properly.
8132 (movdfcc_astep): Likewise.
8135 (extendsftf2, extenddftf2): New.
8136 (trunctfsf2, trunctfdf2): New.
8137 (floatditf2, fix_trunctfdi2): New.
8138 (floatunsditf2, fixuns_trunctfdi2): New.
8139 (addtf3, subtf3, multf3, abstf2): New.
8140 (negtf2, nabstf2, mintf3, maxtf3): New.
8141 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
8143 (fr_spill): Use TFmode, not XFmode.
8144 (fr_restore): Likewise.
8145 * config/ia64/lib1funcs.asm (__divtf3): New.
8146 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
8148 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8150 * cse.c (fold_rtx): Avoid empty body in an if-statement.
8152 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
8153 `U' integer constant suffix.
8155 * dwarf2out.c (add_subscript_info): Avoid empty body in an
8158 * sparc/sol2.h (__enable_execute_stack): Prototype.
8160 2000-08-14 David Edelsohn <edelsohn@gnu.org>
8162 * collect2.c: Remove use of AIX import file.
8164 * longlong.h: Test ARCH_PWR not ARCH_POWER.
8166 * rs6000.c (print_operand, case 'E'): Add else.
8168 2000-08-14 Richard Henderson <rth@cygnus.com>
8170 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
8171 (movdi_symbolic): New.
8173 2000-08-14 Jim Wilson <wilson@cygnus.com>
8175 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8176 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
8177 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8180 2000-08-14 Richard Henderson <rth@cygnus.com>
8182 * expr.c (emit_group_load): Don't force constants into registers.
8183 Special case source already in the correct mode.
8185 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
8187 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
8188 * fixinc/inclhack.def: Likewise.
8189 * fixinc/mkfixinc.sh: Likewise.
8190 * configure: Regenerate.
8191 * fixinc/fixincl.x: Regenerate.
8192 * install.texi: Document equivalence of linux and linux-gnu.
8194 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8196 * cse.c (insert_regs): Also in REG case: When finding an invalid
8197 value, and we make a new quantity, make sure that it won't be
8198 mistaken by for a valid one by mention_regs.
8200 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
8202 * h8300.md: Remove obsolete peepholes.
8204 2000-08-13 Kazu Hirata <kazu@hxi.com>
8206 * invoke.texi (H8/300 Options): Fix typos.
8207 * config/h8300.c: Fix formatting.
8208 * config/h8300.h: Fix comment typos.
8209 (OVERRIDE_OPTIONS): Fix formatting.
8211 * function.c: Fix formatting.
8213 * cse.c: Fix formatting.
8215 2000-08-13 Geoff Keating <geoffk@cygnus.com>
8217 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
8218 (attempt_auto_inc): Suppress parentheses warning.
8219 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
8220 * loop.c (load_mems): Remove `u' suffix in two places.
8221 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
8223 * config/rs6000/rs6000.h: Likewise.
8224 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
8225 __eabi dummy routine.
8226 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
8229 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
8230 not put stuff in .sdata unnecessarily.
8231 (rs6000_unique_section): New function.
8232 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
8233 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
8235 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
8236 arrays in C99. Don't try to look at DECL_REGISTER of a
8237 COMPONENT_REF. Don't complain twice about the same error.
8239 * fixinc/inclhack.def (aix_pthread): New fix.
8240 (aix_sysmachine): New fix.
8241 * fixinc/fixincl.x: Regenerate.
8243 * expr.c (expand_expr): Call convert_modes when turning a large
8244 multiply into a small one.
8246 2000-08-12 Geoff Keating <geoffk@cygnus.com>
8248 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
8249 the tree structure an exponent rather than an explicit alignment
8250 so it doesn't overflow.
8251 (SET_DECL_OFFSET_ALIGN): New macro.
8252 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
8253 rather than DECL_OFFSET_ALIGN.
8254 (place_field): Likewise.
8255 * expmed.c (store_bit_field): Abort on align==0 to avoid
8256 antisocial machine behaviour.
8258 2000-08-12 Richard Henderson <rth@cygnus.com>
8260 * sibcall.c (uses_addressof): Accept both addressof and
8261 current_function_internal_arg_pointer inside a mem.
8262 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
8263 if current_function_uses_addressof.
8264 * stmt.c (expand_return): Kill tail recursion and HAVE_return
8267 2000-08-11 Richard Henderson <rth@cygnus.com>
8269 * config/ia64/ia64.md (addsi3): Remove expander.
8270 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
8271 (*addsi3_shladd): New.
8273 2000-08-11 Richard Henderson <rth@cygnus.com>
8275 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
8276 (do_restore): Likewise.
8277 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
8278 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
8279 (rtx_needs_barrier): Track actual bit manipulation for
8280 ar.unat moves, gr_spill, and gr_restore.
8281 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
8282 (process_set): Don't handle varargs spills.
8283 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
8284 .mem.offset here instead of in process_set.
8285 (gr_restore): Likewise.
8287 2000-08-11 Richard Henderson <rth@cygnus.com>
8289 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
8291 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
8293 * gcc.texi (The Configuration File): Document
8294 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
8295 UPDATE_PATH_HOST_CANONICALIZATION.
8297 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8299 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
8300 unprototyped function pointer casts on integer constants.
8302 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
8304 * fixproto: Recognize DOS paths with drive letters as absolute paths.
8306 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
8308 * extend.texi (Volatiles): Fix typos.
8310 2000-08-11 Kazu Hirata <kazu@hxi.com>
8312 * flow.c: Fix formatting.
8314 2000-08-11 Richard Henderson <rth@cygnus.com>
8316 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
8317 pattern, always allocate a tertiary scratch register.
8319 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
8320 (reload_inhi): Likewise.
8322 2000-08-11 Richard Henderson <rth@cygnus.com>
8324 * function.c (put_reg_into_stack): Allow type to be NULL.
8325 (schedule_fixup_var_refs): Likewise.
8326 (gen_mem_addressof): Allow decl to be NULL.
8327 (put_addressof_into_stack): Likewise.
8329 * flow.c (merge_blocks_nomove): Be more careful about
8330 locating the beginning of block A.
8332 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
8334 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8339 * config.in: Reverted the check for <sched.h>.
8341 2000-08-10 Chris Demetriou <cgd@sibyte.com>
8343 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
8344 macros define the name of CTOR and DTOR sections.
8345 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8346 DTOR_LIST_END): Change to use attributes to specify
8348 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
8349 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8350 DTOR_LIST_END): Same as in mips/elf.h.
8352 2000-08-10 Drew Moseley <dmoseley@redhat.com>
8354 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
8355 disabling just crt0.o.
8357 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
8359 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
8360 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
8361 (EXTRA_SPECS): Add them.
8362 * arm/lib1funcs.asm: Support builds for interworking.
8363 Use macros to eliminate duplicated pieces of code.
8365 2000-08-10 Kazu Hirata <kazu@hxi.com>
8367 * h8300.c (expand_a_rotate): New.
8368 (emit_a_rotate): Likewise.
8369 (h8300_adjust_insn_length): Add support for the rotate insns.
8370 * h8300.md (rotlqi3): New.
8371 (*rotlqi3_1): Likewise.
8372 (rotlhi3): Likewise.
8373 (*rotlhi3_1): Likewise.
8374 (rotlhi3): Likewise.
8375 (*rotlhi3_1): Likewise.
8376 * h8300-proto.h: Add prototypes for expand_a_rotate and
8379 * h8300.c: Fix comment typos.
8380 (dosize): Declare the variable amount as unsigned.
8381 (get_shift_alg): Fix a comparison between signed and unsigned.
8382 (emit_a_shift): Likewise.
8383 (h8300_adjust_insn_length): Simplify the code.
8385 * c-decl.c: Fix formatting.
8387 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8389 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
8390 warning about non-traditional numeric constant suffixes.
8392 * cppexp.c (parse_number): Likewise.
8394 * invoke.texi: (-Wtraditional): Document new behavior.
8396 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8398 * gthr-posix.h: Include auto-host.h. Conditionally include
8400 * configure.in: Check for the <sched.h> header file.
8401 * config.in: Added define for HAVE_SCHED_H.
8403 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8405 * c-typeck.c (process_init_element): For -Wtraditional, warn about
8406 initialization of unions.
8408 * invoke.texi (-Wtraditional): Document new behavior.
8410 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
8412 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
8413 instead of extra_c_flags.
8414 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
8415 * configure: Regenerate.
8416 * config.in: Regenerate.
8418 * cpperror.c (cpp_type2name): New function.
8419 * cpplex.c (lex_line): If we issued an error for an invalid
8420 preprocessing directive, discard that logical line.
8421 * cpplib.c (do_line): Call a hook function if the current file
8422 is renamed by #line.
8423 (do_ident): Pass the contents of the string, not the entire
8424 token, to the callback function.
8425 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
8426 (cb.rename_file): New hook function.
8427 (cb.ident): Adjust prototype.
8428 (cpp_type2name): Prototype.
8429 * cppmacro.c (dump_macro_args): Correct precedence lossage.
8431 * cppmain.c (cb_ident): Update for changed interface.
8432 (cb_rename_file): New function.
8433 (main): Set rename callback.
8435 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
8437 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
8438 multi-word registers.
8440 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8442 * c-common.c (combine_strings, check_format_info): Refer to ISO C
8443 or ISO C89 instead of ANSI C.
8444 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
8445 build_enumerator, do_case): Likewise.
8446 * c-lex.c (parse_float, yylex): Likewise.
8447 * c-parse.in: Likewise.
8448 * c-typeck.c (common_type, build_array_ref, build_binary_op,
8449 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
8450 build_c_cast, convert_for_assignment, set_init_index,
8451 set_init_label, c_expand_start_case): Likewise.
8452 * toplev.c (documented_lang_options, display_help): Likewise.
8454 2000-08-08 Kazu Hirata <kazu@hxi.com>
8456 * h8300.c: Fix formatting.
8457 * h8300.h: Likewise.
8458 * h8300.md: Likewise.
8459 (movsi_h8300hs): Fix formatting of the resulting assembly code.
8461 * reload1.c: Fix formatting.
8463 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
8465 * alpha/alpha.c (alpha_emit_xfloating_libcall):
8466 Use GEN_CALL_VALUE define.
8467 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
8468 * clipper/clipper.md (untyped_call): Likewise.
8469 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
8470 * fx80/fx80.md (untyped_call): Likewise.
8471 * mips/mips.md (untyped_call): Likewise.
8472 * ns32k/ns32k.md (untyped_call): Likewise.
8473 * pa/pa.md (untyped_call): Likewise.
8474 * romp/romp.md (untyped_call): Likewise.
8475 * sparc/sparc.md (untyped_call): Likewise.
8477 2000-08-08 Jason Eckhardt <jle@cygnus.com>
8479 * config/i860/i860.c (singlemove_string): Do not generate assembler
8480 pseudo instructions that must be expanded (that is, with signed
8481 constants larger than 16 bits).
8483 2000-08-08 Richard Henderson <rth@cygnus.com>
8485 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
8486 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
8487 (init_propagate_block_info): Don't kill memory stores at -O0.
8488 (mark_set_1, mark_used_regs): Likewise.
8490 2000-08-08 David Edelsohn <edelsohn@gnu.org>
8492 * rs6000.c (optimization_options): Decorate 'level' as
8494 (mask64_operand): Remove sign-extend thinko.
8495 (rldic_operand): New function.
8496 (load_multiple_operation): regno's are unsigned ints.
8497 (store_multiple_operation): Likewise.
8498 (lmw_operation): Likewise.
8499 (stmw_operation): Likewise.
8500 (includes_lshift_p): shift_mask is unsigned int.
8501 (includes_lshift64_p): New function.
8502 (addrs_ok_for_quad_peep): unsigned int reg1.
8503 (print_operand): Consistently add "else" after
8504 output_operand_lossage().
8505 (print_operand, case 'b'): Fold in case 'W'.
8506 (print_operand, case 'W'): Print rldic MB value.
8507 (output_epilogue): Update Objective-C language string.
8508 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
8509 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
8510 * rs6000.md (ashldi3): Add rldic instruction.
8511 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
8512 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
8515 2000-08-08 Richard Henderson <rth@cygnus.com>
8517 * config/ia64/ia64-protos.h: Remove duplicates. Update
8518 for massive code rearrangements.
8519 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
8520 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
8521 (ia64_local_regs, ia64_need_regstk): Remove.
8522 (ar_ccv_reg_operand): New.
8523 (ia64_gp_save_reg): New.
8524 (struct ia64_frame_info): Combine most of the size elements;
8525 add new gr save elements.
8526 (find_gr_spill): New.
8527 (next_scratch_gr_reg): New.
8528 (mark_reg_gr_used_mask): New.
8529 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
8530 to GR backing store regs when possible.
8531 (ia64_initial_elimination_offset): New.
8532 (ia64_rap_fp_offset): Remove.
8533 (save_restore_insns): Remove.
8534 (setup_spill_pointers): New.
8535 (finish_spill_pointers): New.
8536 (spill_restore_mem): New.
8537 (do_spill, do_restore): New.
8538 (ia64_expand_prologue): Rewrite to use them.
8539 (ia64_expand_epilogue): Likewise.
8540 (ia64_direct_return): Update for current_frame_info changes.
8541 (ia64_function_prologue): Simplify .prologue emission. Emit
8543 (ia64_setup_incoming_varargs): Don't ever emit rtl.
8544 (ia64_dbx_register_number): New.
8545 (ia64_initialize_trampoline): New.
8546 (ia64_secondary_reload_class): Request GR_REGS for integer
8547 arithmetic destined for FR_REGS.
8548 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
8549 (ia64_mark_machine_status): Mark ia64_gp_save.
8550 (rws_access_regno): Rename from rws_access_reg; don't treat
8551 predicates specially.
8552 (rws_access_reg): New. Update all callers.
8553 (rtx_needs_barrier): Remove dead unspecs.
8554 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
8555 (ia64_encode_section_info): Silence signed/unsigned warnings.
8556 (spill_offset, sp_offset, spill_offset_emitted): Remove.
8557 (tmp_reg, tmp_saved): Remove.
8558 (process_set): Rewrite to expect complicated bits via
8559 REG_FRAME_RELATED_EXPR.
8560 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
8561 in the use of ar.ccv; never set RTX_UNCHANGING_P.
8562 (ia64_expand_op_and_fetch): Likewise.
8563 (ia64_expand_compare_and_swap): Likewise.
8564 (ia64_expand_builtin): Likewise.
8565 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
8566 (FIRST_PSEUDO_REGISTER): Update.
8567 (AR_M_REGNO_P): Update.
8568 (FIXED_REGS): Don't mark three local registers as used.
8569 (EXTRA_CC_MODES): New.
8570 (SELECT_CC_MODE): New.
8571 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
8572 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
8573 (FRAME_GROWS_DOWNWARD): Unset.
8574 (STARTING_FRAME_OFFSET): Zero.
8575 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
8576 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
8577 (HARD_FRAME_POINTER_REGNUM): New.
8578 (CAN_DEBUG_WITHOUT_FP): Define.
8579 (TRAMPOLINE_TEMPLATE): Remove.
8580 (TRAMPOLINE_SIZE): Lower to 32.
8581 (TRAMPOLINE_ALIGNMENT): Lower to 64.
8582 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
8583 (PREDICATE_CODES): Update.
8584 (struct machine_function): Add ia64_gp_save.
8585 * config/ia64/ia64.md: Purge unused unspecs.
8586 (movsi patterns): Allow moves to/from AR_M_REGS.
8587 (movdi patterns): Allow moves to/from p0.
8588 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
8589 (gr_spill, gr_restore): Indicate ar.unat read/written.
8590 (nonlocal_goto): Don't pass old frame_pointer.
8591 (nonlocal_goto_receiver): Remove.
8592 (exception_receiver): New.
8593 (builtin_setjmp_setup): New.
8594 (builtin_setjmp_receiver): New.
8595 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
8596 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
8597 (__ia64_restore_stack_nonlocal): Likewise.
8598 (__ia64_trampoline): New.
8599 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
8601 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
8603 2000-08-08 Richard Henderson <rth@cygnus.com>
8605 * frame.h (ia64_frame_state): Add my_psp.
8606 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
8607 (__throw): Pass it in. Don't clobber r7.
8608 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
8609 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
8610 and nothing to do with sp.
8611 (normalize_reg_loc): Use frame->my_psp.
8612 (frame_translate): Handle frame-pointer-less functions. Set
8613 spill_base correctly, in absence of being told.
8614 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
8615 (__ia64_backtrace_helper): New sp argument. Use
8616 builtin_return_address instead of label addresses.
8617 (print_record) [mem_stack_v]: No size member.
8619 2000-08-08 Richard Henderson <rth@cygnus.com>
8621 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
8623 2000-08-08 Richard Henderson <rth@cygnus.com>
8625 * tm.texi (LOCAL_REGNO): Document.
8626 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
8627 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
8628 * reload1.c (reload): Likewise when considering nonlocal labels.
8630 * config/ia64/ia64.h (LOCAL_REGNO): New.
8631 * config/sparc/sparc.h (LOCAL_REGNO): New.
8633 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8635 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
8637 2000-08-07 Nick Clifton <nickc@redhat.com>
8639 * config/mips/mips.c: Fix compile time warning messages.
8640 * config/mips/mips-protos.h: Add prototype for equality_op.
8642 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
8644 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
8646 * mn10300.md: Use nonimmediate_operand instead of general_operand
8649 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
8651 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
8653 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
8654 * sh.c (expand_block_move): Break long lines.
8655 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
8656 * sh.md (mulsi3): Likewise.
8657 (movdi): Adjust spacing.
8659 2000-08-07 Richard Henderson <rth@cygnus.com>
8661 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
8662 * expr.c (emit_group_store): Don't set it.
8664 2000-08-07 Kazu Hirata <kazu@hxi.com>
8666 * invoke.texi (Options for Debugging Your Program or GCC): Remove
8667 duplicate entries for 'w' and 'z'.
8669 * flow.c: Fix a comment typo.
8671 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8673 * c-parse.in: Changed the language string for Objective-C to "GNU
8676 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8678 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
8679 to improve the Posix thread support for Objective-C.
8681 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
8683 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
8684 CTI_UNSIGNED_PTRDIFF_TYPE.
8685 (signed_size_type_node): Define.
8686 (unsigned_ptrdiff_type_node): Define.
8687 * c-decl.c (init_decl_processing): Create the
8688 signed_size_type_node and unsigned_ptrdiff_type_node types.
8689 * c-common.c (T_SC): Define.
8692 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
8693 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
8695 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
8696 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
8697 flags for %c, %s and %[.
8698 (check_format_info): Only allow leniency for signedness of targets
8699 of character pointers (when pedantic) for formats flagged with
8700 "c", so for strings but not for %hh formats. When pedantic, don't
8701 allow character pointers to substitute for void pointers if a
8702 second level of indirection is present.
8704 2000-08-06 Kazu Hirata <kazu@hxi.com>
8706 * invoke.texi (Options for Debugging Your Program or GCC): Update
8707 the names of dump files.
8709 * h8300.c (dosize): Rearrange code for conciseness.
8710 (split_adds_subs): Likewise.
8712 * loop.c: Fix formatting.
8714 * dwarf2out.c: Fix formatting.
8716 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
8718 * expr.c: Fix formatting.
8720 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8722 * rs6000.c (rs6000_maybe_dead): Prototype.
8724 2000-08-06 Richard Henderson <rth@cygnus.com>
8726 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
8727 HAVE_nonlocal_goto as well.
8728 * config/i960/i960.md (nonlocal_goto): Don't do it here.
8729 * config/pj/pj.md (nonlocal_goto): Likewise.
8731 2000-08-07 Michael Hayes <mhayes@cygnus.com>
8733 * loop.c (try_swap_copy_prop): New function.
8734 (load_mems): Rename copies to load_copies and add new regset
8735 store_copies. Check for sets of shadow registers and mark
8736 in store_copies. Call try_swap_copy_prop for registers
8737 marked in store_copies.
8739 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8741 * objc/objc-act.c: New command line option -fconstant-string-class
8742 to allow specifying a user defined constant string class,
8743 different from NXConstantString.
8745 * toplev.c: Moved the Objective-C specific options to
8746 objc/lang-options.h.
8748 * objc/lang-options.h: Moved the Objective-C specific options from
8749 toplev.c. Added -fconstant-string-class.
8751 2000-08-05 Chris Demetriou <cgd@sibyte.com>
8753 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8754 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
8755 __CTOR_LIST__ from func_ptr array to just func_ptr, to
8756 avoid extra alignment imposed on arrays.
8757 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8758 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
8760 * mips.h: Clean up comments and spacing near MASKs.
8761 (TARGET_UNIX_ASM): Delete.
8762 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
8763 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
8766 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
8768 * c-common.c (print_char_table): Add entries for the X/Open '
8769 format flag (print decimals with locale's thousands grouping
8770 character). Make %C expect wint_t.
8771 (check_format_info): If pedantic, warn when the %n$ operand
8772 number form is used. Allow for the ' flag; warn about it if
8775 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
8777 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
8778 type is a float mode, cfun->decl's return type is not, and
8779 TARGET_FLOAT_RETURNS_IN_80387.
8781 2000-08-04 Andreas Schwab <schwab@suse.de>
8783 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
8784 token list, which are always `#' and `pragma'.
8786 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
8788 * tree.c (tree_expr_nonnegative_p): Move to...
8789 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
8790 (rtl_expr_nonnegative_p): New.
8791 * tree.h: Add prototype for rtl_expr_nonnegative_p.
8793 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
8794 CONST_DOUBLE_CHAIN: Move to...
8795 * rtl.h: ...here. Use XCINT/XCEXP.
8797 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
8798 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
8799 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
8802 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
8804 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8806 * config/c4x/c4x.md (return_indirect_internal): New.
8807 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
8809 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8811 * c-common.c (time_char_table): Mark up formats added in C99 and
8812 make other corrections. %D and %g were added in C99. %Og is an
8813 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
8814 C99. %e was added in C99. %Oj is an extension. %G and %z are in
8815 C99 rather than GNU extensions, but %OG and %Oz are extensions.
8816 %h was added in C99. %C was added in C99. %OY and %OC are
8817 extensions. Add the C99 format %F.
8818 (check_format_info): If pedantic and not in C99 mode, warn for C99
8821 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8823 * function.c (schedule_fixup_var_refs): New function, broken out
8824 of put_reg_into_stack.
8825 (put_reg_into_stack): Use it.
8826 (put_var_into_stack): In CONCAT case, fixup up references for
8827 components only after fixing up references to the whole concat.
8829 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
8831 * alias.c (mark_constant_function): Use INSN_P.
8832 (init_alias_analysis): Likewise.
8833 * combine.c (combine_instructions): Use INSN_P.
8834 (can_combine_p): Likewise.
8835 (try_combine): Likewise.
8836 (distribute_notes): Likewise.
8837 (distribute_links): Likewise.
8838 * cse.c (cse_around_loop): Use INSN_P.
8839 (invalidate_skipped_block): Likewise.
8840 (cse_set_around_loop): Likewise.
8841 (cse_end_of_basic_block): Likewise.
8842 (delete_trivially_dead_insns): Likewise.
8843 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
8844 (unshare_all_rtl_1): Likewise.
8845 (next_cc0_user): Likewise.
8846 (try_split make_insn_raw): Likewise.
8847 (remove_unnecessary_notes): Likewise.
8848 * final.c (shorten_branches): Use INSN_P.
8849 (leaf_renumber_regs): Likewise.
8850 (leaf_renumber_regs_insn): Likewise.
8851 * flow.c (find_label_refs): Use INSN_P.
8852 (verify_wide_reg): Likewise.
8853 (notice_stack_pointer_modification): Likewise.
8854 (count_or_remove_death_notes): Likewise.
8855 (verify_flow_info): Likewise.
8856 (clear_log_links): Likewise.
8857 * function.c (fixup_var_refs_insns): Use INSN_P.
8858 (compute_insns_for_mem): Likewise.
8859 * gcse.c (alloc_gcse_mem): Use INSN_P.
8860 (compute_sets): Likewise.
8861 (compute_hash_table): Likewise.
8862 (classic_gcse): Likewise.
8864 (insert_insn_end_bb): Likewise.
8865 (delete_null_pointer_checks_1): Likewise.
8866 * global.c (expand_preferences): Use INSN_P.
8867 (build_insn_chain): Likewise.
8868 * graph.c (node_data): Use INSN_P.
8869 * haifa-sched.c (priority): Use INSN_P.
8870 (rm_line_notes): Likewise.
8871 (rm_other_notes): Likewise.
8872 (find_insn_reg_weight): Likewise.
8873 (init_target_units): Likewise.
8874 (schedule_block): Likewise.
8875 (compute_block_forward_dependences): Likewise.
8876 (debug_dependencies): Likewise.
8877 (set_priorities): Likewise.
8878 * integrate.c (function_cannot_inline_p): Use INSN_P.
8879 (save_parm_insns): Likewise.
8880 (copy_insn_list): Likewise.
8881 * jump.c (mark_all_labels): Use INSN_P.
8882 (never_reached_warning): Likewise.
8883 * lcm.c (optimize_mode_switching): Use INSN_P.
8884 * local-alloc.c (validate_equiv_mem): Use INSN_P.
8885 (memref_used_between_p): Likewise.
8886 (update_equiv_regs): Likewise.
8887 (block_alloc): Likewise.
8888 (no_conflict_p): Likewise.
8889 * loop.c (scan_loop): Use INSN_P.
8890 (find_and_verify_loops): Likewise.
8891 (count_loop_regs_set): Likewise.
8892 (loop_reg_used_before_p): Likewise.
8893 (strength_reduce): Likewise.
8894 (recombine_givs): Likewise.
8895 (check_dbra_loop): Likewise.
8896 (load_mems): Likewise.
8897 (try_copy_prop): Likewise.
8898 * print-rtl.c (print_rtx): Use INSN_P.
8899 * recog.c (find_single_use): Use INSN_P.
8900 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
8901 (next_flags_user): Likewise.
8902 (swap_rtx_condition): Likewise.
8903 * regmove.c (mark_flags_life_zones): Use INSN_P.
8904 (optimize_reg_copy_1): Likewise.
8905 (optimize_reg_copy_2): Likewise.
8906 (optimize_reg_copy_3): Likewise.
8907 (reg_is_remote_constant_p): Likewise.
8908 (fixup_match_2): Likewise.
8909 (regmove_optimize): Likewise.
8910 (fixup_match_1): Likewise.
8911 * regrename.c (build_def_use): Use INSN_P.
8912 (replace_reg_in_block): Likewise.
8913 (consider_use): Likewise.
8914 * reload.c (find_equiv_reg): Use INSN_P.
8915 * reload1.c (reload): Use INSN_P.
8916 (maybe_fix_stack_asms): Likewise.
8917 (calculate_needs_all_insns): Likewise.
8918 (reload_as_needed): Likewise.
8919 (emit_output_reload_insns): Likewise.
8920 (delete_address_reloads_1): Likewise.
8921 (reload_cse_regs_1): Likewise.
8922 (reload_combine): Likewise.
8923 (reload_cse_move2add): Likewise.
8924 * reorg.c (redundant_insn): Use INSN_P.
8925 (dbr_schedule): Likewise.
8926 * resource.c (find_dead_or_set_registers): Use INSN_P.
8927 (mark_target_live_regs): Likewise.
8928 * rtlanal.c (reg_used_between_p): Use INSN_P.
8929 (reg_referenced_between_p): Likewise.
8930 (reg_set_between_p): Likewise.
8931 (reg_set_p): Likewise.
8932 (single_set): Likewise.
8933 (multiple_sets): Likewise.
8934 (find_last_value): Likewise.
8935 (reg_set_last): Likewise.
8936 (find_reg_note): Likewise.
8937 (find_regno_note): Likewise.
8938 * sibcall.c (sequence_uses_addressof): Use INSN_P.
8939 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
8940 * ssa.c (find_evaluations): Use INSN_P.
8941 (rename_block): Likewise.
8942 (rename_equivalent_regs): Likewise.
8943 * unroll.c (loop_find_equiv_value): Use INSN_P.
8944 (set_dominates_use): Likewise.
8945 * varasm.c (mark_constant_pool): Use INSN_P.
8946 (mark_constants): Likewise.
8947 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
8948 (alphaev4_next_group): Likewise.
8949 (alphaev5_next_group): Likewise.
8950 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
8951 (c4x_rptb_rpts_p): Likewise.
8952 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
8953 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
8954 (rs6000_adjust_priority): Likewise.
8955 * config/sh/sh.c (sh_loop_align): Use INSN_P.
8956 (machine_dependent_reorg): Likewise.
8957 (split_branches): Likewise.
8958 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
8960 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
8962 * combine.c (recog_for_combine): Remove the old notes
8963 prior to attempting to recognize the new pattern.
8964 (distribute_notes): Ignore REG_NONNEG notes.
8966 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
8968 * varasm.c (output_constructor): Add .align 0 for packed vars.
8970 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8972 * configure.in: Use default thread_file even when enable_threads is
8973 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
8974 * configure: Rebuilt.
8976 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
8978 2000-08-04 Donn Terry (donnte@microsoft.com)
8980 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
8982 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
8984 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
8985 Delete code that conditionally modifies 'version'.
8986 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
8987 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
8988 * gcc.c (main): Use it.
8989 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
8990 * prefix.c (update_path): Use it.
8991 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
8992 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
8993 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
8995 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
8996 (SUBTARGET_SWITCHES): Adjust.
8997 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
8999 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
9001 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9003 * c-common.h (flag_isoc94): Declare.
9004 * c-decl.c (flag_isoc94): Define.
9005 (c_decode_option): Set flag_isoc94 as appropriate.
9006 * c-common.c (T_PD, T_IM, T_UIM): Define.
9007 (format_char_info): Add tlen and jlen.
9008 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
9010 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
9012 (time_char_table): Add NULL entries for %t and %j.
9013 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
9014 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
9015 Warn for printf %lf if pedantic and not C99. Don't warn for empty
9016 precision. Allow precision argument to be unsigned int. If
9017 pedantic, warn for %p passed an argument not a pointer to possibly
9018 qualified void or a possibly qualified character type, and for
9019 pointer targets of the wrong sign, except for character pointers.
9021 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9023 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
9024 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
9025 (wint_type_node): Define.
9026 * c-decl.c (WINT_TYPE): Define.
9027 (init_decl_processing): Create the wint_type_node type.
9028 * c-common.c (T_WI): Define.
9029 (print_char_table): Use T_WI for %lc format.
9031 2000-08-04 Bruce Korb <bkorb@gnu.org>
9033 * fixinc/: Verified that the MSDOS patch does not break
9034 the UNIX functionality and applied the next three patches
9037 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
9039 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
9040 output file with the temporary one by appending ".X" to generate
9041 the temporary fuile's name. If the output file already has an
9042 extension, replace it with ".X".
9044 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
9045 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
9046 reallocate the command buffer while copying the command-line
9047 argument. Redirect the output directly to the temporary file,
9048 instead of going through another temporary file.
9049 (process): Close the temporary file before unlinking it.
9050 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
9051 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
9052 (run_compiles): Pass p_fixd argument to machine_matches, as it
9055 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
9056 environment, assume there are no symlinks in the include
9057 directory. When cleaning up the DONE files, look for them
9058 case-insensitively. Don't try to remove symlinks if they aren't
9061 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
9062 all callers changed. Declare pz "const char *", to avoid compiler
9065 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
9066 Change prototype of make_raw_shell_str.
9068 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
9070 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
9071 (initialize) [__MSDOS__]: Use tempnam.
9072 (initialize): Don't use SIGPIPE if it is not defined.
9074 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
9077 2000-07-25 Bruce Korb <bkorb@gnu.org>
9079 * fixinc/fix*.[ch]: substantially reworked to make it possible
9080 to run this program without using fork(2) or pipe(2) (i.e. in
9083 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9085 * cppdefault.h (WINT_TYPE): Define.
9086 * cppinit.c (builtin_array): Define __WINT_TYPE__.
9087 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
9088 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
9090 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
9092 * (mips_legitimate_address_p): Don't allow register+offset
9093 if the offset is large and negative, and we are compiling
9094 for 64 bit registers.
9096 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9098 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
9099 insn_code_number + 1.
9101 2000-08-04 Kazu Hirata <kazu@hxi.com>
9103 * h8300.c (function_prologue): Rearrange code for conciseness.
9104 (function_epilogue): Likewise.
9105 * h8300.h (OK_FOR_U): Fix formatting.
9107 * cse.c: Fix a comment typo. Fix formatting.
9109 2000-08-03 Richard Henderson <rth@cygnus.com>
9111 * config/i386/i386.md (return_indirect_internal): New.
9112 * config/i386/i386.c (ix86_expand_epilogue): Use it.
9114 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
9116 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
9118 (lex_line): Glue @ onto the beginning of identifiers and
9119 string constants, in Objective-C mode.
9120 (output_token, spell_token): Handle CPP_OSTRING.
9121 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
9122 beginning of a NAME or a STRING, in objc mode.
9124 * cpplib.c (get_define_node): Do not permit identifiers that
9125 begin with @ to be #defined.
9126 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
9127 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
9129 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
9130 * c-tree.h (build_objc_string): Delete prototype.
9131 * objc/objc-tree.def: Delete OBJC_STRING_CST.
9132 * c-lex.c (yylex): Use build_string for all three kinds of strings.
9134 * c-parse.in, objc/objc-act.c: Update commentary.
9136 2000-08-03 Mark Mitchell <mark@codesourcery.com>
9138 * extend.texi: Fix typo in last change.
9140 * extend.texi: Add commentary on statement-expressions and their
9141 interactions with C++.
9143 2000-08-03 Nick Clifton <nickc@cygnus.com>
9145 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
9146 * dwarf.h (LANG_JAVA): Change value to 0x000b.
9148 2000-08-03 Anthony Green <green@cygnus.com>
9150 * dwarf2out.c (gen_compile_unit_die): Add java language support.
9151 (add_bound_info): Check for java language.
9152 (is_java): New function.
9153 * dwarfout.c (output_compile_unit_die): Ditto.
9154 * dwarf.h (dwarf_source_language): Add java source language type.
9155 * dwarf2.h (dwarf_source_language): Ditto.
9157 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9159 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
9162 * i386.c (ix86_expand_branch): Mode of comparison in
9163 IF_THEN_ELSE is VOIDmode.
9165 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
9167 * gengenrtl.c, rtl.c: Avoid #elif.
9169 2000-08-03 Michael Poole <poole@troilus.org>
9171 * tm.texi (Register Classes): Clarify order of sub-initializers
9172 in REG_CLASS_CONTENTS.
9174 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9176 From SAITOH Masanobu:
9177 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
9179 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
9181 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
9182 is not supported by tradcpp and isn't actually needed for cygwin.
9184 2000-08-03 Kazu Hirata <kazu@hxi.com>
9186 * h8300.c: Fix a comment typo.
9187 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
9189 * jump.c: Fix formatting.
9191 * toplev.c: Fix formatting.
9193 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
9195 * flow.c (find_auto_inc): Verify that we've got a REG before
9196 peeking at its regno. Fail, don't abort if we can't find
9197 the increment of the desired register.
9199 * pa.md (shadd height reduction patterns/splitters): Remove.
9201 2000-08-02 Jim Wilson <wilson@cygnus.com>
9203 * config/ia64/ia64-protos.h (flag_ssa): Declare.
9204 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
9206 2000-08-02 Mark Mitchell <mark@codesourcery.com>
9208 * dce.c: Remove all uses of assert.
9209 * dwarf2out.c: Likewise.
9210 * dwarfout.c: Likewise.
9213 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9215 * gcc.h (lang_specific_driver): Constify second argument.
9216 * gcc.c (translate_options, process_command, main): Likewise.
9217 Constify variables to match. Cast second argument to
9220 * cppspec.c, gccspec.c: Adjust type of second argument to
9221 lang_specific_driver, and update code as necessary.
9223 2000-08-02 Jakub Jelinek <jakub@redhat.com>
9225 * loop.c (scan_loop): Ensure update_end label does not
9226 go away until reg_scan_update is run.
9228 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9230 * c-common.h: Prototype min_precision and c_build_qualified_type here...
9231 * c-tree.h: ... not here.
9232 * errors.h: Prototype fancy_abort.
9234 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
9235 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
9236 * regrename.c (regrename_optimize): Make control flow explicit.
9237 (replace_reg_in_block): Initialize reg_use to 0.
9239 * i386.c (legitimate_address_p): Rename error label to
9240 report_error to avoid namespace clash.
9242 2000-08-02 Kazu Hirata <kazu@hxi.com>
9244 * fold-const.c: Fix formatting.
9246 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
9248 * i386.c (legitimate_address_p): Accept other bases than
9249 pic_offset_table_rtx for GOTOFF constructs.
9251 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9253 * i386.md (shift to lea splitter): Use const_int_operand.
9255 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9257 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
9258 cppspec.c: Do not use 'legal' or 'illegal' in error messages
9261 * cppmain.c (cb_define, cb_undef): Don't generate any output
9262 if not done_initializing.
9263 * cpplex.c (maybe_paste_with_next): When the token after a ##
9264 is an omitted rest argument, only delete the token before it
9265 if that token is a comma. Do not warn about bogus token
9266 pastes for , ## rest_arg.
9269 * cpp.1: Regenerate.
9271 2000-08-02 Fred Fish <fnf@be.com>
9273 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
9274 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
9277 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
9278 Be directories to search path.
9280 Remove support for __declspec(dllimport) and __declspec(dllexport).
9281 This is leftover cruft from the earlier BeOS gcc port when BeOS
9282 used Microsoft's PE object file format.
9283 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
9284 * config/i386/t-beos (winnt.o): Remove Makefile frag.
9285 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
9286 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
9287 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9288 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
9289 (REDO_SECTION_INFO_P): Remove.
9290 (ASM_EXPORT_DECL): Remove.
9291 (ASM_DECLARE_FUNCTION_NAME): Remove.
9292 (ASM_DECLARE_OBJECT_NAME): Remove.
9293 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
9294 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
9295 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
9296 (STRIP_NAME_ENCODING): Remove.
9298 Remove support for obsolete version of BeOS that is no longer
9300 * configure.in (i*86-*-beospe*): Remove.
9301 * config/i386/beos-pe.h: Remove.
9303 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
9304 Mark Mitchell <mark@codesourcery.com>
9306 * Makefile.in (OBJS): Added dce.o.
9307 (ssa.o): Updated target to include ssa.h.
9309 (toplev.o): Likewise.
9310 (dce.o): Created target.
9311 * basic-block.h: Added comments.
9312 (INVALID_BLOCK): Added definition.
9313 (connect_infinite_loops_to_exit): Added declaration.
9314 Moved SSA declarations to ssa.h.
9315 * flow.c: Added inclusion of ssa.h.
9316 (struct depth_first_search_dsS, depth_first_search_ds):
9318 (compute_immediate_postdominators): Added definition.
9319 (connect_infinite_loops_to_exit): Likewise.
9320 (flow_dfs_compute_reverse_init): Likewise.
9321 (flow_dfs_compute_reverse_add_bb): Likewise.
9322 (flow_dfs_compute_reverse_execute): Likewise.
9323 (flow_dfs_compute_reverse_finish): Likewise.
9324 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
9325 (LABEL_P): Added definition.
9328 (BARRIER_P): Likewise.
9329 (JUMP_TABLE_DATA_P): Likewise.
9330 (INSN_DEAD_CODE_P): Likewise.
9331 * ssa.c: Replaced inclusions with ssa.h inclusion.
9332 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
9333 (rename_registers): Removed unnecessary variables.
9334 * ssa.h: Created by moving declarations from ssa.c and
9336 * timevar.def: Defined TV_DEAD_CODE_ELIM.
9337 * toplev.c: Added ssa.h inclusion.
9338 (dump_file_index): Added DFI_dce.
9339 (dump_file): Added "dce" entry.
9341 (f_options): Added dce entry.
9342 * invoke.texi: Document -fdce. Emphasize experimental status of
9346 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
9348 * cpperror.c (v_message): Split into _cpp_begin_message and
9349 v_message macro. All callers updated.
9350 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
9353 * cppfiles.c (cpp_syshdr_flags): New function.
9354 (read_include_file): Don't call cpp_output_tokens. Call
9356 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
9357 (cpp_reader_init): Don't initialize token_buffer. Call
9358 _cpp_init_internal_pragmas.
9359 (cpp_cleanup): Don't clear token_buffer.
9360 (cpp_start_read): Don't worry about output from -D processing.
9361 Don't call cpp_output_tokens.
9362 (cpp_finish): Don't dump macros here. Don't call
9364 * cppmacro.c (_cpp_dump_definition): Rename
9365 cpp_dump_definition. Write directly to a FILE *.
9366 (dump_funlike_macro): Delete.
9367 (dump_macro_args): New.
9369 * cpplex.c (TOKEN_LEN): Convert to inline function.
9370 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
9371 cpp_scan_line, _cpp_dump_list): Delete.
9372 (cpp_printf, cpp_output_list): New.
9373 (output_line_command): Don't worry about entering or leaving files.
9374 (cpp_scan_buffer): Just output each token as we hit it.
9375 (process_directive): Don't call cpp_output_tokens.
9376 (_cpp_glue_header_name): Don't use token_buffer.
9377 (output_token, dump_param_spelling): Write directly to a FILE *.
9379 * cpplib.c (pass_thru_directive, dump_macro_name,
9380 pragma_dispatch, do_pragma_gcc): Delete.
9381 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
9382 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
9384 (do_error, do_warning, pragma_dependency): Call
9385 _cpp_begin_message, then cpp_output_list.
9386 (cpp_register_pragma, cpp_register_pragma_space,
9387 _cpp_init_internal_pragmas): New.
9388 (do_pragma): Walk the pragmas table here.
9389 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
9390 do_pragma_dependency): Return void.
9391 (do_pragma_implementation): Moved to cppmain.c.
9393 * cpplib.h: Update prototypes.
9394 (struct cpp_reader): Remove printer, token_buffer,
9395 token_buffer_size, and limit. Add struct cb, and pragmas.
9396 (struct cpp_printer): Remove last_id and written.
9397 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
9398 CPP_ADJUST_WRITTEN): Delete.
9399 * cpphash.h: Update prototypes.
9400 (ufputs): New wrapper.
9402 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
9403 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
9404 (main): Set up callbacks. Register #pragma implementation.
9405 Dump macros from here.
9407 2000-08-01 Geoff Keating <geoffk@cygnus.com>
9409 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
9410 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
9411 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
9412 insns if they have a REG_MAYBE_DEAD note attached.
9413 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
9414 (rs6000_emit_load_toc_table): TOC loads may go dead.
9416 2000-08-01 Jim Wilson <wilson@cygnus.com>
9418 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
9419 type exists before using it. Use number of words as alignment
9421 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
9422 ia64_va_arg): Propagate ia64_function_args changes here.
9424 2000-08-01 Richard Henderson <rth@cygnus.com>
9426 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
9427 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
9429 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
9431 From Joern Rennecke:
9432 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
9433 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
9434 unless TARGET_SH3E is set.
9435 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
9437 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
9438 (ashlsi3_std): New pattern.
9439 (ashlsi3 expander): Use it for TARGET_SH3.
9440 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
9442 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9444 * loop.c (canonicalize_condition): Use destination, not source to
9445 determine SET's mode.
9447 2000-07-31 Mark Mitchell <mark@codesourcery.com>
9449 * flow.c (clear_log_links): Fix typo.
9451 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
9453 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
9454 on targets which need more than one insn for a compare/cbranch
9457 2000-07-31 Jim Wilson <wilson@cygnus.com>
9459 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
9460 when computing offset.
9462 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
9464 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
9466 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9468 * flow.c (clear_log_links): Nuke global_live_at_start and
9469 global_live_at_end data, since if the log_links stuff is invalid
9470 so is global_live_at_*.
9472 2000-07-31 Richard Henderson <rth@cygnus.com>
9474 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
9476 2000-07-31 Jakub Jelinek <jakub@redhat.com>
9478 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
9479 (_cpp_get_token): Don't macro expand a just pasted token if it
9480 was pasted at no_expand_level.
9482 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9484 * cppmacro.c (find_param, count_params, save_expansion):
9485 Permit 'defined' as a macro parameter name.
9487 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9489 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
9490 xcpp to cpp throughout.
9491 (native): Remove unnecessary dependency on cpp.
9493 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
9494 tradcpp to tradcpp0.
9495 (.i spec): Add missing output-file spec to cc1 command line.
9496 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
9498 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9500 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
9501 (implicit_decl_warning): New function.
9502 (implicitly_declare): Use it.
9503 * c-typeck.c (build_external_ref): Use implicit_decl_warning
9504 to complain about implicit decls of builtins.
9506 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
9507 based on pedantic && flag_isoc99, if not already set.
9508 * c-tree.h: Declare mesg_implicit_function_declaration.
9509 Prototype implicit_decl_warning.
9511 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
9513 * Makefile.in (ssa.o): Updated header files in dependences.
9514 * basic-block.h: Added compute_immediate_postdominators declaration.
9515 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
9517 * flow.c (compute_immediate_dominators): Updated comment.
9518 (compute_immediate_postdominators): Added definition.
9519 * rtl.h (HARD_REGISTER_P): Added definition.
9520 * ssa.c: Include additional header files.
9521 (assert): Added definition.
9522 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
9523 include select hard registers.
9524 (ssa_rename_to_insert): Likewise.
9525 (ssa_rename_from_initialize): Likewise.
9526 (ssa_rename_from_lookup): Likewise.
9527 (original_register): Likewise.
9528 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
9529 include select hard reigsters.
9530 (ssa_rename_from_traverse): Likewise.
9531 (ssa_rename_from_free): Likewise.
9532 (ssa_rename_from_print): Likewise.
9533 (ssa_rename_from_print_1): Likewise.
9534 (ssa_rename_from_hash_function): Likewise.
9535 (ssa_rename_from_equal): Likewise.
9536 (ssa_rename_from_delete): Likewise.
9537 (simplify_to_immediate_dominators): Removed in favor of
9538 flow.c:compute_immediate_dominators.
9539 (find_evaluations_1): Modified to work with hard registers.
9540 (insert_phi_node): Likewise.
9541 (insert_phi_nodes): Likewise.
9542 (struct rename_set_data): Updated prev_reg comment.
9543 (create_delayed_rename): Modified to work with hard registers.
9544 (RENAME_NO_RTX): Updated comment.
9545 (apply_delayed_renames): Modified to work with hard registers.
9546 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
9547 (rename_block): Updated to use revised ssa_rename_to interface.
9548 (rename_registers): Updated to use revised ssa_rename_to and
9549 ssa_rename_from interface.
9550 (convert_to_ssa): Revised to use compute_immediate_dominators and
9551 deal with hard registers.
9552 (make_regs_equivalent_over_bad_edges): Modified to work with hard
9553 registers. Added check for illegal unification of hard register.
9554 (make_equivalent_phi_alternatives_equivalent): Modified to work
9555 with hard registers.
9556 (compute_conservative_reg_partition): Likewise.
9557 (coalesce_if_unconflicting): Modified to work with hard registers
9558 and check for conflicting hard registers.
9559 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
9561 (rename_equivalent_regs_in_insn): Modified to work with hard
9563 (record_canonical_element_1): Added definition.
9564 (check_hard_regs_in_partition): Added definition.
9565 (convert_from_ssa): Added data structure deallocation and check
9566 for illegal hard register unification.
9567 (conflict_hard_regs_p): Added definition.
9568 * toplev.c (rest_of_compilation): Added comment.
9570 2000-07-31 Anthony Green <green@redhat.com>
9572 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
9574 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
9576 * builtins.c (expand_builtin_apply): Don't defer pop during
9579 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9581 * calls.c (combine_pending_stack_adjustment_and_call): Only use
9582 preferred_unit_stack_boundary when it is > 1.
9584 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
9586 * c-common.c (init_function_format_info): Add C99 format functions
9589 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
9590 void' or 'register void' as being the special case of 'void' alone
9591 in a parameter list.
9593 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
9594 discarding qualifiers into a plain warning.
9596 2000-07-31 Kazu Hirata <kazu@hxi.com>
9598 * combine.c: Fix formatting.
9600 * h8300.md: Fix formatting.
9602 * local-alloc.c: Fix formatting.
9604 * h8300.c (get_shift_alg): Remove the variable alg.
9605 (emit_a_shift): Rearrange code to improve readability.
9607 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
9609 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
9610 HImode on all architectures and a combination of HImode and SImode
9611 on H8/300H and H8/S.
9613 * h8300.c (split_adds_subs): Rearrange code for conciseness.
9615 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
9617 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
9620 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9622 * recog.c (extract_insn): Set operand_mode according to
9623 operand if match_operand is VOIDmode.
9625 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
9627 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
9629 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9631 * c-parse.in (extdefs): Call ggc_collect between external
9634 2000-07-30 Michael Hayes <mhayes@cygnus.com>
9635 Richard Henderson <rth@cygnus.com>
9637 * Makefile.in (OBJS): Add doloop.o.
9638 * doloop.c: New file.
9640 * final.c (insn_current_reference_address): Return 0 before final.
9641 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
9642 * jump.c (any_uncondjump_p): Likewise.
9643 * loop.c (indirect_jump_in_function): Make static.
9644 (strength_reduce): Call doloop_optimize.
9645 (insert_bct, instrument_loop_bct): Remove.
9646 * loop.h (doloop_optimize): Prototype.
9647 * recog.c (split_all_insns): Split all INSN_P.
9648 * toplev.c (flag_branch_on_count_reg): Default on.
9650 * config/c4x/c4x.c (c4x_optimization_options): Don't set
9651 flag_branch_on_count_reg.
9652 * config/i386/i386.c (override_options): Likewise.
9653 * config/rs6000/rs6000.c (optimization_options): Likewise.
9655 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
9657 (dbra_ge): Remove, as well as all it's splitters.
9659 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
9662 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
9663 (ia64_register_move_cost): Declare.
9664 * config/ia64/ia64.c (ar_lc_reg_operand): New.
9665 (struct ia64_frame_info): Add ar_size.
9666 (ia64_compute_frame_size): Set it.
9667 (save_restore_insns): Save and restore ar.lc.
9668 (ia64_register_move_cost): New, moved from header file. Handle
9669 application registers.
9670 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
9671 (emit_insn_group_barriers): Special case doloop_end_internal.
9672 (ia64_epilogue_uses): Mark ar.lc live at end.
9673 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
9674 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
9675 (FIRST_PSEUDO_REGISTER): Make room.
9676 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
9677 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
9678 (REG_ALLOC_ORDER): Update.
9679 (HARD_REGNO_MODE_OK): Update.
9680 (REGISTER_NAMES): Update.
9681 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
9682 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
9683 (REGNO_REG_CLASS): Update.
9684 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
9685 (REGISTER_MOVE_COST): Move out of line.
9686 (PREDICATE_CODES): Update.
9687 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
9688 (addsi3_plus1_alt, adddi3_plus1_alt): New.
9689 (shladd_elim splitter): Allow constants in the predicate.
9690 (doloop_end, doloop_end_internal): New.
9692 2000-07-30 Richard Henderson <rth@cygnus.com>
9694 * genattrtab.c (struct insn_def): Add lineno member.
9695 (struct insn_ent): Likewise.
9696 (struct attr_desc): Likewise.
9697 (struct delay_desc): Likewise.
9698 (struct function_unit_op): Likewise.
9699 (struct function_unit): Likewise.
9700 (check_attr_value): Use message_with_line.
9701 (check_defs): Likewise.
9702 (expand_units): Likewise.
9703 (check_attr_test): Take a lineno argument.
9704 (gen_attr): Likewise.
9705 (gen_insn): Likewise.
9706 (gen_delay): Likewise.
9707 (gen_unit): Likewise.
9708 (main): Give it to them.
9709 (convert_set_attr_alternative): Take an insn_def argument
9710 instead of num_alt and insn_index.
9711 (convert_set_attr): Likewise.
9712 (write_test_expr): Protect INSN_ADDRESSES load
9713 with INSN_ADDRESSES_SET_P.
9715 2000-07-30 Richard Henderson <rth@cygnus.com>
9717 * flow.c (init_propagate_block_info): Use pc_set.
9719 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9721 * i386.md (*lea_general_[123]) New insns and splits.
9722 (addsi3 to lea splitter): Handle other modes too.
9723 (shlsi3 to lea splitter): Likewise.
9724 (addhi_1_lea, shlhi_1_lea): New patterns.
9725 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
9727 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9729 * recog.c (general_operand, nonimmediate_operand): Accept
9730 any mode for VOIDmode CONSTANT_P operands.
9732 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9734 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
9735 instead of replace_rtx.
9736 * recog.c (validate_replace_rtx_subexp): New function.
9737 * recog.h (validate_replace_rtx_subexp): Declare.
9739 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9741 * combine.c (simplify_set, make_extraction, make_compound_operation
9742 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
9743 as force_to_mode argument.
9745 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
9747 * combine.c (if_then_else_cond): Be sure that mode fits in
9750 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
9752 * combine.c (record_promoted_value): Allow bitsize of mode
9753 to be equivalent to HOST_BITS_PER_WISE_INT.
9755 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9757 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
9758 Do not call gen_mode_alignment when mode is BLKmode.
9760 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
9762 * loop.c (express_from_1): Fix call of simplify_gen_binary.
9764 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
9766 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
9767 VOIDmode implies both operands to be VOIDmode.
9768 (simplify_ternary_operation): Compute properly the mode of comparison.
9769 * combine.c (combine_simplify_rtx): Likewise.
9771 2000-07-25 Michael Hayes <mph@paradise.net.nz>
9773 * basic-block.h (struct loops): New field rc_order.
9774 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
9775 (flow_loops_free): Free rc_order.
9776 (flow_depth_first_order_compute): New parameter rc_order.
9777 (flow_loops_find): Allocate rc_order and swap usage with
9780 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9781 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9783 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
9784 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
9785 (nodb_call, return_from_epilogue): Likewise.
9786 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
9787 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
9788 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
9789 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9790 (c4x_valid_type_attribute_p): Likewise.
9791 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
9792 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
9794 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9796 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
9797 and loadhi_big_constant if applicable.
9798 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
9799 and add new splitter.s
9801 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9803 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
9805 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9807 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
9809 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9811 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
9813 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9815 * config/c4x/libgcc.S (divqf3): Improve accuracy.
9817 2000-07-27 Mark Mitchell <mark@codesourcery.com>
9819 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
9820 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
9821 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
9822 (get_prev_bb_note): Likewise.
9823 (remove_scope_notes): Likewise.
9824 * flow.c (commit_one_edge_insertion): Likewise.
9825 (merge_blocks_nomove): Likewise.
9826 (verify_flow_info): Likewise.
9827 * gcse.c (insert_insn_end_bb): Likewise.
9828 * reg-stack.c (emit_swap_insn): Likewise.
9829 * ssa.c (first_insn_after_basic_block_note): New function.
9830 (insert_phi_node): Use it.
9831 (rename_block): Likewise.
9832 (eliminate_phi): Likewise.
9833 (make_regs_equivalent_over_bad_edges): Likewise.
9834 (make_equivalent_phi_alternatives_equivalent): Likewise.
9835 (for_each_successor_phi): Likewise.
9836 (convert_from_ssa): Modify phi-node deletion algorithm.
9838 2000-07-29 Andreas Jaeger <aj@suse.de>
9840 * configure.in (mips*-*-linux*): Use mips*el to check for little
9841 endian MIPS, add tmake_file.
9843 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
9844 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
9845 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
9847 2000-07-28 Richard Henderson <rth@cygnus.com>
9849 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
9850 Sign extend mode size before negating.
9852 2000-07-28 Richard Henderson <rth@cygnus.com>
9854 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
9856 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
9858 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
9859 (cse_insn): Likewise.
9860 (addr_affects_sp_p): Likewise.
9861 * expr.c (move_by_pieces): Likewise.
9862 (clear_by_pieces): Likewise.
9863 * gcse.c (oprs_unchanged_p): Likewise.
9864 * haifa-sched.c (sched_analyze_2): Likewise.
9865 * recog.c (offsettable_address_p): Likewise.
9866 * regclass.c (record_address_regs): Likewise.
9867 * reload.c (find_reusable_reload): Likewise.
9868 (push_reload): Likewise.
9869 (operands_match_p): Likewise.
9870 (decompose): Likewise.
9871 (find_reloads_address_1): Likewise.
9872 (find_inc_amount): Likewise.
9873 * reload1.c (elimination_effects): Likewise.
9874 * resource.c (mark_set_resources): Likewise.
9875 * flow.c (attempt_auto_inc): New function; mostly broken out
9877 (find_auto_inc): Split into two functions and enhanced to
9878 generate POST_MODIFY.
9879 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
9880 * rtl.h (count_all_occurrences): Declare.
9881 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
9883 * rtlanal.c (count_all_occurrences): New function.
9884 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
9885 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
9887 * config/ia64/ia64-protos.h (destination_operand): Declare.
9888 * config/ia64/ia64.c (destination_operand): New function.
9889 (ia64_print_operand): Handle POST_MODIFY.
9890 (rtx_needs_barrier): Likewise.
9891 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
9892 (HAVE_POST_MODIFY_REG): Define to 1.
9893 (MAX_REGS_PER_ADDRESS): Change to 2.
9894 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
9895 (LEGITIMATE_ADDRESS_REG): New helper macro.
9896 (LEGITIMATE_ADDRESS_DISP): Likewise.
9897 (PREDICATE_CODES): Add entry for destination_operand.
9898 * config/ia64/ia64.md (all mov patterns): Use destination_operand
9899 predicate for operand 0.
9901 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9903 * dwarf2out.c: Indent #error directive.
9905 * gbl-ctors.h: Fix typo in comment.
9906 (__do_global_ctors): Prototype.
9908 * gcse.c (record_one_set, pre_delete): Remove unused variables.
9910 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
9911 (print_operand): Initialize variable `t'.
9913 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
9915 * config/arm/arm.md ("call_value"): removed constraints.
9916 Constraints are ignored in expanders.
9917 (*call_value_reg): split =rf into various constraints.
9918 (*call_value_mem): same
9919 (*call_value_symbol): same
9920 (*sibcall_value_insn): same
9922 2000-07-28 Philipp Thomas <pthomas@suse.de>
9924 * install.texi (--enable-nls): Change the description of the NLS
9925 related configure options to match the current state.
9926 (--with-included-gettext): Likewise.
9927 (--enable-maintainer-mode): New description added.
9928 * extend.texi (-fstrict-prototype): Add missing '.'.
9930 2000-07-27 Jim Wilson <wilson@cygnus.com>
9932 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
9933 DECL_INITIAL (decl) == NULL_TREE.
9935 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
9937 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
9938 on insn-attr.h with it.
9939 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
9940 * insn-addr.h: New header.
9941 (insn_addresses_): Renamed from insn_addresses.
9942 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
9943 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
9944 INSN_ADDRESSES_NEW): New macros.
9945 * genattrtab.c (write_test_expr): Use new macros.
9946 * final.c (insn_addresses, init_insn_lengths): Likewise.
9947 (align_fuzz, shorten_branches): Likewise.
9948 (final): Likewise. Do not reject new insns if their addresses
9949 have been added to INSN_ADDRESSES.
9950 * config/arm/arm.c, config/avr/avr.c: Use new macros.
9951 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
9952 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
9953 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
9954 * config/sh/sh.c: Likewise.
9955 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
9957 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
9959 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
9961 * gcc.c (struct prefix_list): Add member priority.
9962 (enum path_prefix_priority): Declare.
9963 (add_prefix): Replace ``first'' with ``priority''. Append new
9964 entry but keep list in priority order.
9965 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
9966 PREFIX_PRIORITY_LAST to add_prefix.
9967 (process_command): Move include kludge - foo/stageN - to before
9970 2000-07-27 Jason Merrill <jason@redhat.com>
9972 * dwarf2out.c (gen_typedef_die): Abort if we get identical
9973 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
9975 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
9977 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
9978 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
9980 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
9982 * c-decl.c (finish_function): Don't treat 'main' specially unless
9983 flag_hosted. In C99 mode, return 0 from 'main' unless
9984 DEFAULT_MAIN_RETURN is otherwise defined.
9986 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
9987 parameters defaulting to int in an old-style function definition.
9989 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9991 * c-parse.in (string): For -Wtraditional, warn about string
9992 concatenation only once per line.
9994 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
9996 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
9997 for HI-UX/WE2 systems.
9999 2000-07-24 Bruce Korb <bkorb@gnu.org>
10001 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
10002 defining the __xxx_TYPE__ macros.
10003 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
10004 * fixincl/fixlib.h: don't need to include "tm.h" anymore
10005 * fixincl/inclhack.def(type_map): now obsolete
10007 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
10009 * cpp.texi: Append a trailing full-stop to xrefs where needed.
10011 2000-07-26 Dave Pitts <dpitts@cozx.com>
10013 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
10015 (mvs_hash_alias): New function.
10016 (mvs_add_alias): Change argument spacing.
10017 (mvs_need_alias): Change aliasing criteria. Added documentation.
10018 (mvs_get_alias): Change to use hashed name. The hashed name prevents
10019 CSECT name collisions.
10020 (mvs_check_alias): Likewise.
10021 (handle_pragma): Change documentation.
10022 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
10023 mode from SImode to DImode.
10024 (iorhi3): Changed LTORG size for insn.
10026 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
10028 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
10029 mem if the address is a mode_dependent_address_p.
10031 2000-07-26 Kazu Hirata <kazu@hxi.com>
10033 * h8300.c (print_operand): Print ":8" when the 'R' operand is
10034 suitable for 8-bit absolute.
10035 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
10036 (OK_FOR_U): Add a case for the 8-bit constant address on the
10039 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
10041 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
10042 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
10043 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
10044 lack of implemented alignment.
10046 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
10048 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
10049 cross-compiling between 64-bit and 32-bit machines.
10051 2000-07-27 Richard Henderson <rth@cygnus.com>
10053 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
10054 (movhicc_astep, movhi_internal_astep): New.
10055 (movsicc_astep, movsi_internal_astep): New.
10056 (movdicc_astep, movdi_internal_astep): New.
10057 (movsfcc_astep, movsf_internal_astep): New.
10058 (movdfcc_astep, movdf_internal_astep): New.
10059 (movxfcc_astep, movxf_internal_astep): New.
10060 (cmovdi_internal_astep, cmovsi_internal_astep): New.
10061 Unify the cmov[ds]i splitters.
10063 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
10065 * real.c (asctoeg): Rename `error' label to unexpected_char_error
10067 2000-07-26 Nick Clifton <nickc@cygnus.com>
10069 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
10070 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
10072 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
10073 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
10075 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
10077 * c-decl.c (finish_enum): Convert enumerations that fit in an
10079 (build_enumerator): In pedantic mode, cast to `int' those that
10082 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
10084 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
10086 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10088 * sh.md (cmpgtdi_t): Must be split.
10089 (cmpgtdi_t+1): New splitter.
10091 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10093 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
10094 warnings for indented directives even if we are skipping.
10096 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
10098 * invoke.texi (strict-prototypes): Remove.
10099 * extend.texi (Deprecated Features): Add strict-prototypes.
10100 (Backwards Compatibility): New node.
10102 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10104 * config/i386/i386.md (andsi_1+1): Allow HImode.
10105 (andsi_1+2): Require q_regs_operand.
10107 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10109 * config/i386/i386.md (call_pop): Check operands[0],
10110 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10112 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10113 (call_value): Likewise.
10115 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10117 * toplev.c (pipe_closed): Delete.
10118 (crash_signal): New. Generate ICE for a fatal signal.
10119 (float_signal): Call crash_signal outside a float-handler
10121 (main): Install crash_signal as handler for core-dumping signals.
10123 2000-07-25 David Edelsohn <edelsohn@gnu.org>
10125 * rs6000.c (print_operand, case 'T'): New case.
10127 * rs6000.md (call_indirect_aix32): Convert to expander of
10128 scheduled instructions.
10129 (call_indirect_aix64): Likewise.
10130 (call_value_indirect_aix{32,64}): Likewise.
10131 (call, call_value): Invoke expanders for AIX. Fall through to
10133 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
10134 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
10135 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
10136 only "g" constraint.
10137 (call_nonlocal_aix64): Likewise.
10138 (call_value_nonlocal_aix{32,64}): Likewise.
10139 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
10141 (call_value_nonlocal_sysv): New pattern.
10142 (indirect_jump{si,di}): Use new 'T' modifier.
10143 (tablejump{si,di} matchers): Likewise.
10144 (return_internal_{si,di}): Likewise.
10145 (return_eh_{si,di}): Likewise.
10147 2000-07-24 Richard Henderson <rth@cygnus.com>
10149 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
10150 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
10151 * config/ia64/ia64.md (movdi_internal): Use it.
10153 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
10155 * cppexp.c: Warn about unary + if -Wtraditional.
10156 * cpplex.c (lex_line): Always set BOL on the first token of a line.
10158 2000-07-24 Michael Meissner <meissner@redhat.com>
10160 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
10163 2000-07-24 Nick Clifton <nickc@cygnus.com>
10165 * config/arm/arm.c (emit_multi_reg_push): Generate a
10166 REG_FRAME_RELEATED_NOTE that is compatable with the code in
10167 dwarf2out_debug_frame_expr.
10169 2000-07-24 Jason Merrill <jason@redhat.com>
10171 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
10172 UNALIGNED_INT_ASM_OP.
10173 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
10174 a location expression.
10175 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
10176 assume indirect access if we're saving the CFA address exactly.
10178 * Makefile.in (bootstrap): Move -BstageN/ to the end.
10180 2000-07-24 Jakub Jelinek <jakub@redhat.com>
10182 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
10185 2000-07-24 Michael Meissner <meissner@redhat.com>
10187 * invoke.texi (D30V Options): Add d30v options.
10189 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
10191 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
10192 needed by our gcse pass anymore.
10193 (free_pre_mem): Corresponding changes.
10194 (compute_pre_data): Do not call compute_transpout anymore.
10196 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
10197 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
10200 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
10201 (compute_pre_data): Do it here instead.
10203 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
10205 (pre_delete): Corresponding changes.
10207 2000-07-23 Mark Mitchell <mark@codesourcery.com>
10209 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
10210 to figure out whether or not a variable has already been emitted.
10212 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
10214 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
10215 instead of gen_call.
10217 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
10219 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
10221 2000-07-23 Kazu Hirata <kazu@hxi.com>
10223 * h8300.c: Fix formatting.
10225 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
10227 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
10228 for `long' switch expression into a plain warning.
10230 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
10231 (yylex): Don't pedwarn for "inline" in C99 mode.
10233 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
10235 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
10236 ggc_alloc): Likewise.
10237 * bb-reorder.c (dump_scope_forest_1): Likewise.
10239 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
10241 * reload.c (find_reloads_toplev): Add new parameter
10242 "address_reloaded".
10243 (find_reloads): Add new parameter to find_reloads_toplev calls.
10245 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
10247 * collect2.c (main): Typo fixed.
10248 * diagnostic.c: Typo fixed.
10249 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
10250 * eh-common.h: Typo fixed.
10251 * emit-rtl.c (start_sequence): Typo fixed.
10252 * flow.c (find_label_refs): Typo fixed.
10253 (calculate_global_regs_live): Typo fixed.
10254 (mark_regno_cond_dead): Typo fixed.
10255 (create_edge_list): Typos fixed.
10256 (verify_edge_list): Typo fixed.
10257 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
10258 * loop.c (strength_reduce): Typo in function name fixed.
10259 * rtl.h: Added comments. Typo in function name fixed.
10260 * rtlanal.c: Typo in function name fixed.
10261 (insn_dependant_p): Rename to ...
10262 (insn_dependent_p): ... this.
10263 (computed_jumo_p): Typo fixed.
10265 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10267 * system.h (__FUNCTION__): Wrap definition in #ifndef.
10269 2000-07-21 David Edelsohn <edelsohn@gnu.org>
10271 * rs6000.h (SIZE_TYPE): Define.
10273 2000-07-21 Mark Mitchell <mark@codesourcery.com>
10275 * ssa.c (rename_insn_1): Don't rename registers that are
10278 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
10280 * diagnostic.c (trim_filename, fancy_abort): Moved here from
10282 (fatal_function, set_fatal_function): Removed.
10283 (fatal): Don't prepare for or call the fatal_function.
10284 (diagnostic_lock, error_recursion): New.
10285 (diagnostic_for_decl, report_diagnostic): Guard against
10286 re-entering the error reporting routines.
10287 (fancy_abort): Assume function is not NULL.
10289 * errors.c (fancy_abort): New. Assume function is not NULL.
10290 * tradcpp.c (fancy_abort): Assume function is not NULL.
10292 * system.h: Provide default definition of __FUNCTION__.
10293 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
10294 Always use __FUNCTION__ in definition of abort.
10295 * tree.h: Likewise.
10296 * varray.h: Likewise.
10297 * toplev.h: Likewise. Don't prototype set_fatal_function.
10299 2000-07-20 Geoff Keating <geoffk@cygnus.com>
10301 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
10303 * glimits.h: Don't do #if defined for ARCH_PPC.
10305 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
10306 constants of size no larger than a pointer should go in the TOC.
10307 Add 'MODE' parameter.
10308 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
10309 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
10310 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
10311 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
10312 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
10313 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
10314 (rs6000_legitimize_address): Likewise.
10315 (rs6000_emit_move): Likewise.
10316 (rs6000_select_rtx_section): Likewise.
10317 (output_toc): Deal properly with outputting small constants like
10318 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
10319 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
10320 MODE parameter. Put small constants in the TOC.
10322 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
10324 (rs6000_emit_move): When reload calls us with an illegitimate
10325 address, exit early. Move the change_address calls to one place
10326 at the end of the routine. Merge the SImode and DImode expanders.
10327 When called by reload to put an integer into a FP register, force
10330 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
10332 (rs6000_hash_constant): Hash mode too.
10333 (toc_hash_function): Allow for key_mode.
10334 (toc_hash_eq): Structures are different if key_mode differs.
10335 (output_toc): Add 'mode' parameter. Save key_mode.
10336 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
10337 Pass 'mode' parameter.
10338 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
10340 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
10341 for vtable references.
10343 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
10344 choice, don't put integer values in FP regs.
10346 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
10348 * flow.c (verify_flow_info): Revamp code to verify that the
10349 head and end of each basic block are in the insn chain.
10351 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
10353 * gcse.c (record_one_set): Prepend instead of append onto
10354 reg_set_table, making it O(n) instead O(n^2).
10355 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
10356 Use a queue instead of a stack as worklist.
10358 2000-07-20 Kazu Hirata <kazu@hxi.com>
10360 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
10361 * h8300.h (OK_FOR_T): New.
10362 (EXTRA_CONSTRAINT): Support OK_FOR_T.
10363 * h8300.md: Use inc/dec.[wl] for increment/decrement
10364 by 1 and 2 in HI and SI modes.
10366 2000-07-20 Jim Wilson <wilson@cygnus.com>
10368 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
10369 larger than 14 bits.
10371 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
10373 * cppmacro.c (CAN_PASTE_AFTER): New macro.
10374 (count_params): Don't set GNU_REST_ARGS on anything.
10375 (save_expansion): Set PASTE_LEFT only on tokens for which
10376 CAN_PASTE_AFTER is true, or which are named operators.
10378 * cpplex.c (parse_args): Distinguish between a rest argument
10379 given one empty argument, and a rest argument given zero arguments.
10380 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
10381 deletion of previous token based on that.
10382 (get_raw_token): Flatten some control structure.
10384 * cpplib.h (CPP_LAST_EQ): Correct.
10385 (VOID_REST): New token flag.
10386 (GNU_REST_ARGS): Delete.
10388 * tradcpp.c (main): Don't munge -D options.
10389 (make_definition): Bring -D handling in line with cpplib.
10390 (do_define): Strip all leading whitespace from macro definitions.
10392 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
10394 * Makefile.in (tradcpp): Depend on intl.o and version.o.
10396 2000-07-20 Bruce Korb <bkorb@gnu.org>
10398 * fixincl/check.tpl: strip the platform specific types before testing
10399 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
10400 * fixincl/fixincl.tpl: use platform specific types
10401 * fixincl/fixlib.h: include the platform specific types
10402 * fixincl/inclhack.def(gnu_types): don't supply the types
10403 * fixincl/fixincl.x: regen
10405 2000-07-19 Jim Wilson <wilson@cygnus.com>
10407 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
10410 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10412 * tradcpp.c (rescan): Do not recognize directives when the #
10415 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10417 Implement C++ named operators.
10419 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
10420 of operators allowed in #if and having an _EQ variant. Add
10421 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
10422 (cpp_token flags): Add NAMED_OP.
10423 (enum node_type): Add T_OPERATOR.
10424 (struct cpp_hashnode): Add code slot to value union.
10425 * cpphash.h (spec_nodes): Remove n_defined.
10427 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
10428 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
10429 (is_macro_disabled): Tweak error messages.
10431 * cpplib.c (get_define_node): Disallow all named operators as
10432 macro names. Tweak error messages.
10433 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
10435 * cppinit.c (builtin_array): Add entries for the named operators.
10436 * cppexp.c (lex): Check for CPP_DEFINED token.
10437 (priority table): Add entries for CPP_MIN and CPP_MAX.
10438 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
10440 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
10442 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
10443 larger than the array of cuids.
10444 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
10447 2000-07-19 Bruce Korb <bkorb@gnu.org>
10449 * fixinc/fixincl.c: Convert to using a table of environment variables
10450 and activate the auto-edit marker on the fixed output files.
10451 * fixinc/fixlib.h: Define the environment table
10452 * fixinc/fixincl.sh: export the ${INPUT} dir
10453 * fixinc/check.tpl: likewise
10455 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10457 * gcc.c (.h spec): Fix typo.
10459 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
10461 * Makefile.in: Fix tradcif.c path.
10463 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10465 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
10468 * cpphash.h (TOKEN_NAME): New macro.
10469 (_cpp_spell_operator): Deleted.
10470 (token_spellings): Now _cpp_token_spellings.
10472 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
10473 * cpplex.c: Use OP and TK macros when expanding the
10474 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
10475 store the stringification of the enumeration name (CPP_CHAR,
10476 etc.) in the name slot of token_spellings.
10477 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
10478 token_spellings directly.
10479 * cpplib.c: Use TOKEN_SPELL.
10481 * cpplex.c (_cpp_push_token): If the token being pushed back
10482 is the previous token in this context, just subtract one from
10484 * cppmacro.c (save_expansion): Clear aux field when storing a
10487 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10489 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
10490 buffer, provided it is not NULL.
10492 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
10494 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
10495 case of invalid volatile re-declaration.
10497 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10499 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
10500 (expand_call): Adjust caller.
10502 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
10504 * diagnostic.h (report_diagnostic): Change prototype.
10506 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
10507 diagnostic_for_decl): Change prototype.
10508 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
10509 error, warning, error_with_file_and_line,
10510 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
10511 Adjust call to report_diagnostic, diagnostic_for_decl.
10512 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
10513 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
10515 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
10516 varaible argument list.
10518 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10520 * cpphash.c: Don't include hashtab.h. Most macro-handling code
10521 moved to cppmacro.c.
10522 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
10523 dump_hash_helper): Delete.
10524 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
10525 cpp_forall_identifiers): New. Implement specialized version of
10526 Vlad's expandable hash table.
10527 (cpp_lookup): Use new functions.
10528 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
10530 * cppmacro.c: New file.
10531 * cppinit.c (dump_macros_helper): New.
10532 (cpp_finish): Iterate over the identifier table directly.
10533 * cpplex.c (parse_name): Calculate the hash of the identifier
10534 while we scan it. Use _cpp_lookup_with_hash when we can.
10536 * cpphash.h: Update prototypes.
10537 (xcnewvec, HASHSTEP): New helper macros.
10538 * cpplib.h: Update prototypes.
10539 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
10540 (cppmacro.o): New rule.
10541 (cpphash.o): Update deps.
10543 * cppmain.c: Do not set pfile->printer if no_output is on.
10545 2000-07-15 Neil Booth <neilb@earthling.net>
10547 * cpplib.c: Change all directive-handler functions to return
10549 * cpphash.h: Update typedefs.
10551 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10553 * configure: Regenerate.
10555 * extend.texi (Extended Asm): Mention that a memory clobber
10556 does not count as a side-effect.
10558 * unroll.c (copy_loop_body): Fix one instance of using host
10559 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
10562 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
10564 2000-07-17 Richard Henderson <rth@cygnus.com>
10566 * config/ia64/ia64.md (movdi): Split out load address code.
10567 New post-reload splitter for symbolic operands.
10568 (movdi_internal): Abort if we didn't split symbolic operands
10569 when we should have.
10570 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
10571 (ia64_reorg): Split insns when not optimizing.
10572 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
10574 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10576 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
10577 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
10579 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10581 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
10583 2000-07-17 Jason Merrill <jason@redhat.com>
10585 * Makefile.in (clean): Remove libgcc directory.
10587 * configure.in (-Wno-long-long check): Use higher-level macros.
10589 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10591 * simplify-rtx.c (simplify_binary_operation): Recognize
10592 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
10593 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
10594 a CONST_INT, it will always be zero.
10596 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10598 * loop.c (check_dbra_loop) : Return if more than one condition is
10599 present to control the loop.
10601 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
10603 * mips.c (mips_expand_prologue): Don't calculate the last argument
10604 register unless we need it. When we are calculating this, make
10605 sure FUNCTION_ARG is giving us a REG.
10607 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10609 * flow.c (libcall_dead_p): Use single_set to verify the insn
10610 has only one set and get for analysis.
10611 (propagate_one_insn): Don't pass the PATTERN of the insn.
10613 2000-07-17 Mark Klein <mklein@dis.com>
10615 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
10617 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10619 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
10620 * configure.in (TARGET_GETGROUPS_T): Evaluate.
10621 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
10622 of second argument of getgroups.
10623 * configure, config.in: Rebuilt.
10625 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10627 * simplify-rtx.c (simplify_relational_operation): Two signed
10628 values with equal high words are less/greater than each other if
10629 their low words are less/greater when considered as unsigned.
10631 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
10633 * configure.in (vax-*-openbsd): Change to new style configuration,
10634 add collect2/float_format information.
10635 * configure: Rebuilt.
10636 * config/vax/openbsd1.h: New.
10637 * config/vax/openbsd.h: New.
10638 * config/vax/t-openbsd: New.
10640 2000-07-17 Chip Salzenberg <chip@valinux.com>
10642 * c-common.c (shorten_compare): Quiet warnings about unsigned
10643 comparisons with zero when they occur in a system header.
10645 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
10647 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
10648 update to describe current practice.
10650 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
10652 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
10653 references to C9X. Change references to -fstd and -flang-isoc9x
10656 * c-common.c (scan_char_table): Allow "z" length modifiers on
10658 (check_format_info): Use TYPE_DOMAIN on the type matched against
10659 for "z" formats, to retrieve the language size_t rather than the
10662 * c-common.c (check_format_info): Do not make a pedantic objection
10663 to the 'L' length modifier if used with a floating point type
10666 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
10667 constants in C99 mode.
10669 2000-07-17 Kazu Hirata <kazu@hxi.com>
10671 * h8300.md: Fix the format of mac.
10672 (movsi_h8300hs): Output a tab after stmac instead of a space.
10674 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
10675 profitable adds/subs sequences.
10677 * fold-const.c: Fix comment typos.
10679 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
10681 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
10683 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10685 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
10687 2000-07-16 Neil Booth <NeilB@earthling.net>
10689 * cpplex.c: Update comments.
10690 * README.Portability: Small update.
10692 2000-07-16 Neil Booth <NeilB@earthling.net>
10694 * README.Portability: Small update.
10696 2000-07-15 Richard Henderson <rth@cygnus.com>
10698 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
10699 * config/ia64/ia64.c (ia64_move_ok): New function.
10700 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
10701 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
10703 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
10705 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
10706 immediately following a paste operator.
10707 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
10708 (cpp_reader_init): Call it, if HOST_EBCDIC.
10709 (cpp_handle_options): Do not sort option list here.
10710 (handle_option): Rename to cpp_handle_option and export.
10711 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
10712 _cpp_get_token directly.
10713 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
10714 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
10715 * cpplib.h: Prototype cpp_handle_option. Update prototype of
10718 2000-07-15 Richard Henderson <rth@cygnus.com>
10720 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
10721 cast around an expression. Tidy other unsigned tests.
10723 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
10725 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
10726 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
10727 (v_message_with_decl): Rename to ...
10728 (format_with_decl): ... this. Tweak
10729 (diagnostic_for_decl): New function.
10730 (fatal_io_error): Use verbatim in lieu of notice.
10731 (announce_function): Use verbatim.
10732 (default_print_error_function): Likewise.
10733 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
10736 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10738 * mips.c (function_arg_pass_by_reference): Don't do automatic
10739 aggregate initialization.
10740 (machine_dependent_reorg): Initialize variable `mode'.
10742 * mips.md (absdi2): Change variable `regno1' to unsigned int.
10743 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
10744 conflicts with sys/param.h macro of the same name.
10745 (reload_outdi): Likewise.
10747 2000-07-15 Michael Meissner <meissner@redhat.com>
10749 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
10750 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
10751 create a new node instead.
10753 2000-07-15 Neil Booth <NeilB@earthling.net>
10755 * README.Portability: Correct example about calling a function
10756 through a pointer to function. Format wide paragraphs.
10758 2000-07-15 Michael Meissner <meissner@redhat.com>
10760 * README.Portability: Update integer suffixes and function
10761 prototype sections.
10763 2000-07-15 Neil Booth <NeilB@earthling.net>
10765 * README.Portability: Small update.
10767 2000-07-15 Neil Booth <NeilB@earthling.net>
10769 * README.Portability: New file.
10771 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
10773 * INSTALL: Give special instructions for building GCC on Irix 6.
10774 * config/mips/x-iris6 (CC): Don't set it.
10777 2000-07-14 Jason Merrill <jason@redhat.com>
10779 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
10780 register in the stack and later in another register, use the new
10783 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
10785 * config/mips/mips.md: (absdi2): Handle sign_extend for
10788 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
10790 * cpplib.c (do_pragma_dependency): Tidy warning messages.
10792 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
10794 * .cvsignore: Correct typo.
10796 2000-07-13 Mark Mitchell <mark@codesourcery.com>
10798 * .cvsignore: Add generated YACC files.
10799 * objc/.cvsignore: New file.
10801 2000-07-14 Neil Booth <NeilB@earthling.net>
10803 * cpplex.c (adjust_column): New funcion.
10804 (skip_whitespace): Use it.
10805 (skip_block_comment): Use it, and warn about /*/* with
10808 2000-07-14 Neil Booth <NeilB@earthling.net>
10810 * cpphash.c (struct macro_info): Add new members.
10811 (_cpp_free_definition): Delete the macro directly.
10812 (count_params): Return void, with first token of
10813 expansion in struct macro_info on success.
10814 (parse_define): Return int. Hoist syntax checking from
10815 save_macro_expansion. Leave call to save_expansion to
10816 _cpp_create_definition.
10817 (alloc_macro): Needs just 2 arguments.
10818 (free_macro): Delete.
10819 (save_expansion): Don't perform syntax check.
10820 (_cpp_create_definition): Call save_expansion.
10822 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10824 * genrecog.c (write_header): Split long string.
10826 * cpphash.c (macro_info): Don't use the `signed' keyword.
10828 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
10830 2000-07-13 Jakub Jelinek <jakub@redhat.com>
10832 * calls.c (stored_args_map): New variable.
10833 (check_sibcall_argument_overlap_1): New.
10834 (check_sibcall_argument_overlap): New.
10835 (expand_call): Initialize stored_args_map.
10836 Call check_sibcall_argument_overlap.
10838 2000-07-13 Bruce Korb <bkorb@gnu.org>
10840 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
10841 (emit_gnu_type): utility procedure for gnu_type_fix
10842 (gnu_type_fix): implement various pre-processor guards around
10843 standard types so these types can be defined over and over
10844 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
10845 types alluded to above will have GNU-compliant base types
10846 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
10847 * fixinc/inclhack.def: add test_text entries and utilize the new
10848 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
10849 * fixinc/fixincl.x: regenerate
10851 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
10853 * diagnostic.c (vline_wrapper_message_with_location,
10854 v_message_with_file_and_line, v_error_with_file_and_file,
10855 v_error_for_asm, v_warning_for_asm, vfatal,
10856 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
10857 vsorry, verror, vwarning, vpedwarn): Remove.
10858 (diagnostic_for_asm): New function.
10859 (pedwarn, error, warning, pedwarn_with_file_and_line,
10860 error_with_file_and_line, warning_with_file_and_line, sorry,
10861 error_for_asm, warning_for_asm, fatal): Reimplement.
10862 (finish_diagnostic): Clear diagnostic info as well.
10864 2000-07-13 Neil Booth <NeilB@earthling.net>
10866 * c-common.h (flag_digraphs): New.
10867 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
10868 * c-lex.c (yylex): Use flag_digraphs to decide whether to
10871 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
10873 * gcc.c (do_spec_1): Add new %B operator.
10874 (set_input): Prepare for %B.
10876 (link_command_spec): Move up with the other tm.h-
10877 overrideable specs. Factor out the portion conditional on
10878 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
10879 (struct compiler): Just have a single spec string. All users
10881 (default_compilers): Remove unnecessary braces.
10882 (static_specs): Update.
10884 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
10886 (C and assembly specs): Use the new named specs, as appropriate.
10888 * objc/lang-specs.h: Use the new named specs.
10889 Remove unnecessary braces.
10891 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10893 * gcc.c (execute): If a subprocess gets a fatal signal, report
10894 strsignal() of the signal number, and ask for a bug report.
10895 Do not do this for SIGPIPE if there's already been an error.
10897 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
10898 Delete pipe_closed.
10900 * tradcif.c: Remove.
10902 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10904 * final.c (profile_function): Do not emit profile counters in
10905 the data section, if NO_PROFILE_COUNTERS is defined.
10906 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
10909 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
10910 (FUNCTION_PROFILER): Just emit a call to mcount.
10912 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10914 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
10916 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
10917 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
10918 traditional, lang_chill, or lang_fortran.
10920 * cppfiles.c: #undef strcmp to suppress warning about macros
10921 used without arguments.
10922 (_cpp_execute_include): Use f, not fname, in "No include path"
10924 (_cpp_pop_file_buffer): New function.
10925 * cpplib.c: Don't include <sys/mman.h>.
10926 (cpp_push_buffer): Set line_base and lineno in new buffer.
10927 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
10929 * cpplex.c: Move all prototypes and structure declarations to the
10930 top of the file. Properly parenthesise some macro arguments.
10931 (cpp_scan_line): New function.
10932 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
10933 don't need to walk up the stack counting.
10935 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10937 * c-common.c (combine_strings): Emit a pedantic warning when a
10938 string length is greater than the minimum ANSI C is required
10941 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
10943 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
10944 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
10946 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10948 * c-decl.c (define_label): Warn about identifier conflicts with
10949 labels in traditional C.
10951 * c-parse.in (unop +): Warn about the unary plus operator for
10954 * c-typeck.c (store_init_value): Warn about automatic aggregate
10955 initialization for traditional C.
10957 * invoke.texi (-Wtraditional): Document new warnings.
10959 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10961 * Makefile.in (c-errors.o): Fix thinko in dependency.
10963 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10965 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
10966 -traditional, -ftraditional, or -traditional-cpp was given.
10967 Do not pass -traditional to the preprocessor.
10968 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
10969 preprocessor does it automatically.
10970 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
10972 * ch/lang-specs.h: Always use tradcpp. Do not pass
10973 -traditional, -trigraphs, or -pedantic to the preprocessor.
10974 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
10977 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
10979 * cppexp.c (LOGICAL): Delete macro.
10980 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
10983 * cpphash.c (HASHSIZE): Increase to 4096.
10984 (struct hashdummy): Add hash field.
10985 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
10986 the string values using memcmp.
10987 (cpp_lookup): Set dummy.hash.
10989 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
10991 * configure.in (m88k-openbsd): Express configuration using new fragment
10993 * configure: Rebuilt.
10994 * m88k/aout-dbx.h: New.
10995 * m88k/openbsd.h: New.
10996 * m88k/xm-openbsd.h: New.
10998 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11000 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
11002 2000-07-12 Richard Henderson <rth@cygnus.com>
11004 * reload.c (push_secondary_reload): Make sure to add the new
11005 reload at the end, after acquiring secondary memory.
11007 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11009 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
11011 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
11012 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
11014 * c-parse.in (stmt): Delete unused variables.
11016 * convert.c (convert_to_vector): Likewise.
11018 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
11020 * tree.c (finish_vector_type): Prototype.
11022 2000-07-12 Bruce Korb <bkorb@gnu.org>
11024 * fixinc/fixfixes.c: use xmalloc
11025 * fixinc/fixincl.c(initialize): set program name for xmalloc
11026 * fixinc/fixlib.c(must_malloc): obsolete
11027 (is_cxx_header): no longer used - disabled
11028 (skip_quote): inserted and disabled for future use
11029 * fixinc/fixlib.h: reflects above
11030 * fixinc/fixtests.c: removed dinkleberries
11032 2000-07-12 Neil Booth <NeilB@earthling.net>
11034 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
11035 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
11037 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
11038 struct toklist_dummy): New.
11039 (cpp_free_definition): Free macros with free_macro.
11040 (count_params): Don't save paramter spellings. Save macro
11041 information in a struct macro_info.
11042 (parse_define): Don't allocate a token list.
11043 (save_expansion): Allocate the macro's token list, and
11044 save parameter spellings if necessary. Use TOKEN_SPELL.
11045 (cpp_create_definition): Make list const.
11047 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11049 * c-typeck.c (pedwarn_c99): Move to
11050 * c-errors.c: ... Here.
11051 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
11052 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
11053 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
11054 (c-errors.o): List dependency.
11056 2000-07-12 Mark Mitchell <mark@codesourcery.com>
11058 * c-parse.c: Remove.
11059 * c-parse.h: Likewise.
11060 * c-parse.y: Likewise.
11061 * objc/objc-parse.c: Likewise.
11062 * objc/objc-pasre.y: Likewise.
11064 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
11066 * gcc.texi: Fix minor typos
11067 * extend.texi: Fix minor typos
11069 2000-07-11 Marc Espie <espie@openbsd.org>
11071 * collect2.c (main): Recognize .lo as object files.
11073 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11075 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
11078 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
11079 with MAP_ANONYMOUS and MAP_ANON.
11080 * configure, config.in: Rebuilt.
11082 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11084 * diagnostic.c (save_output_state): Remove.
11085 (restore_output_state): Likewise.
11086 (clear_text_info): New function.
11087 (clear_diagnostic_info): Likewise.
11088 (output_text_length, is_starting_newline, output_prefix,
11089 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
11090 prefixing_policy, output_buffer_ptr_to_format_args): New macros
11091 (set_real_maximum_length, output_set_maximum_length,
11092 output_set_prefix, output_get_prefix, output_set_maximum_length,
11093 output_destroy_prefix, init_output_buffer,
11094 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
11095 output_add_newline, output_add_character, output_add_space,
11096 output_append_r, output_append, wrap_text, output_format,
11097 output_do_printf, output_printf, output_do_verbatim,
11098 output_verbatim, verbatim): Use them.
11099 (output_clear): Split into cleat_text_info and
11100 clear_diagnostic_info.
11101 (struct output_state): Move to...
11103 * diagnostic.h: ...Here
11104 (struct output_buffer): Adjust.
11106 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
11108 * cpplex.c (parse_name): No longer inline (premature optimization).
11109 (do_pop_context): Fold into pop_context.
11110 (pop_context): Returns int.
11111 (lex_next): Hoist test for end of directive into pop_context.
11112 (push_macro_context): Returns int; takes just reader and token.
11113 Hoist test for excessive nesting to caller.
11114 (push_arg_context): Returns void; takes just reader and token.
11115 Do not call stringify_arg or get_raw_token.
11116 (get_raw_token): Convert tail recursion through push_arg_context
11117 to a loop at this level. Call stringify_arg here if appropriate.
11118 (maybe_paste_with_next): Convert tail recursion to a while loop.
11119 Hoist test of paste_level to caller.
11121 (stringify_arg): Push arg context at beginning.
11122 (cpp_get_token): Split out core into _cpp_get_token. Call
11123 process_directive here. Throw away CPP_PLACEMARKER tokens.
11124 (_cpp_get_token): Convert tail recursion through
11125 push_macro_context to a loop at this level.
11126 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
11127 _cpp_get_raw_token): Use _cpp_get_token.
11128 (_cpp_skip_rest_of_line): Drop the context stack directly; do
11129 not call pop_context.
11130 (_cpp_run_directive): Call lex_next directly.
11132 * cpphash.h: Prototype _cpp_get_token.
11133 * cppexp.c (lex): Use it.
11134 * cpphash.c (parse_define): Use it.
11135 * cpplib.c (get_define_node, do_undef, parse_include,
11136 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
11137 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
11138 parse_ifdef, validate_else): Use it.
11139 (cpp_push_buffer): Tweak error message; abort if anyone tries
11140 to push a buffer while macro expansions are stacked.
11142 2000-07-11 Donn Terry <donnte@microsoft.com>
11144 * cpplex.c (free_macro_args, save_token): Cast arg of free
11145 and/or xrealloc to PTR.
11146 (_cpp_init_input_buffer): Clear all fields of the base context.
11148 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
11150 * gensupport.c (process_rtx): Make rtl checking stop
11151 complaining about the define_insn while it is being
11152 converted from a define_insn_and_split.
11154 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
11156 * config/mips/mips.c (simple_memory_operand): Access the
11157 INTVAL of the address, not it's containing MEM.
11159 2000-07-11 Bruce Korb <bkorb@gnu.org>
11161 * fixinc/fixtests.c(double_slash): obsolete
11162 (else_endif_label): likewise
11163 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
11164 (libc1_ifdefd_memx): correct initial comment
11165 and omit the #if/#endif pair from the memxxx declarations
11166 * fixinc/fixincl.x: regen
11168 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11170 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
11172 2000-07-11 Neil Booth <NeilB@earthling.net>
11174 * cpp.texi: Update.
11176 2000-07-11 Neil Booth <NeilB@earthling.net>
11178 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
11179 (handle_option): Set digraphs according to standard.
11180 Merge OPT_lang_c89 handler with OPT_std_c89.
11182 * cpplex.c: (lex_line, can_paste): Honour digraphs in
11183 accordance with the digraphs flag.
11185 * cpplib.h: (struct cpp_options): New option digraphs.
11187 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
11188 Bruce Korb <bkorb@gnu.org>
11190 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
11191 * fixinc/fixincl.x: Regenerate.
11192 * fixinc/tests/base/testing.h: Add testcase.
11194 2000-07-10 Richard Henderson <rth@cygnus.com>
11196 * config/ia64/ia64.c (got_symbolic_operand): New.
11197 (symbolic_operand, move_operand): Revert 0701 change.
11198 * config/ia64/ia64.h (PREDICATE_CODES): Update.
11199 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
11200 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
11201 split the offset into a 14-bit low part instead of a 13-bit low part.
11202 (load_fptr): Mark the mem as unchanging.
11203 (load_symptr): Use got_symbolic_operand.
11205 2000-07-10 Nick Clifton <nickc@cygnus.com>
11207 * libgcc2.c (next_stack_level): Cast result of computation to
11208 (void **) so that the assignment does not generate a warning.
11210 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
11212 * flags.h : Add new variable flag_single_precision_constant.
11213 * toplev.c (display_help) : Add -fsingle-precision-constant option.
11214 (flag_single_precision_constant): New.
11215 * c-lex.c (yylex): Convert floating point constant to single
11216 precision constant.
11217 * invoke.texi : Add documentation for this new option.
11219 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11221 * diagnostic.c (output_octal): Second parameter is unsigned.
11222 (output_long_octal): Likewise.
11223 (output_hexadecimal): Likewise.
11224 (output_long_hexadecimal): Likewise.
11225 (output_format): Adjust arguments extraction. Tweak.
11226 (output_verbatim, verbatim): End variable argument list.
11227 (report_diagnostic): Improve documentation.
11229 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
11231 * c-common.h (build_stmt): Declare.
11232 (build_continue_stmt): Likewise.
11233 (build_break_stmt): Likewise.
11234 (build_return_stmt): Likewise.
11236 * c-decl.c (do_case): Rewrite to do what previously done in
11239 * c-semantics.c (build_stmt): Define.
11240 (build_return_stmt): Likewise.
11241 (build_break_stmt): Likewise.
11242 (build_continue_stmt): Likewise.
11243 (build_case_label): Likewise.
11245 * c-parse.in (BREAK): Change to build tree, then generate RTL.
11246 (CONTINUE): Likewise.
11247 (RETURN): Likewise.
11249 (DEFAULT): Likewise.
11251 * c-parse.y: Regenerate.
11252 * c-pasre.c: Likewise.
11254 2000-07-09 Jason Merrill <jason@redhat.com>
11256 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
11258 * tree.h (STRIP_NOPS): Check for error_mark_node.
11259 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
11260 (dwarf2out_*): Remove duplicate declarations.
11262 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
11263 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
11265 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11267 * diagnostic.c (wrap_text): New function.
11268 (maybe_wrap_text): Likewise.
11269 (output_add_string): Use it.
11270 (output_format): Likewise.
11271 (count_error): Use verbatim instead of notice.
11272 (report_error_function): Likewise. Don't use plain fprintf.
11273 (finish_diagnostic): New function.
11274 (output_do_verbatim): Tweak. Commonalize functionalities in
11275 output_verbatim and verbatim.
11276 (output_verbatim): Adjust.
11277 (verbatim): Likewise.
11278 (report_diagnostic): Define.
11280 * diagnostic.h (report_diagnostic): Prototype.
11282 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
11284 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
11286 2000-07-09 Neil Booth <NeilB@earthling.net>
11288 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
11289 IShspace, ISspace: Update.
11291 * cppinit.c: ISTABLE: Update.
11294 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
11295 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
11296 (skip_block_comment, skip_line_comment, parse_string,
11297 lex_line): Use is_vspace rather than IS_NEWLINE.
11298 (skip_whitespace, lex_line): Clean up to use is_nvspace.
11299 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
11301 (lex_next): Unconditionally stop if within a directive.
11302 Treat directives within macro invocations as directives
11303 (after parse_args emits error), not as the argument.
11305 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
11307 * diagnostic.c (diagnostic_args): New macro.
11308 (diagnostic_msg): Likewise.
11309 (output_formatted_integer): Likewise.
11310 (output_state): New data type.
11311 (digit_buffer): Make global.
11312 (output_add_integer): Rename to output_decimal. Squeeze
11314 (output_long_decimal, output_unsigned_decimal,
11315 output_long_unsigned_decimal, output_octal, output_long_octal,
11316 output_hexadecimal, output_long_hexadecimal): New functions.
11317 (output_append_r): New function.
11318 (output_append): Tweak.
11319 (output_flush_on): Rename to output_to_stream.
11320 (output_format): Change prototype. Improve documentation. Handle
11321 more format specifiers.
11322 (build_location_prefix): Rename to context_as_prefix.
11323 (output_notice): Rename to output_do_printf.
11324 (output_printf): Tweak.
11325 (line_wrapper_printf): Likewise.
11326 (vline_wrapper_message_with_location): Adjust call to renamed
11328 (v_message_with_decl): Likewise.
11329 (default_print_error_function): Likewise.
11330 (save_output_state): New function.
11331 (restore_output_state): Likewise.
11332 (output_do_verbatim): Likewise.
11333 (output_verbatim): Define.
11334 (verbatim): Likewise.
11336 * diagnostic.h (printer_fn): Change return type from void to int.
11337 Improve documentation.
11338 (output_add_integer): Rename to output_decimal.
11339 (output_flush_on, output_format): Don't export.
11340 (output_verbatim, verbatim): Declare.
11342 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
11344 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
11345 Check whether c divides op1 exactly if operation is not
11348 2000-07-08 Richard Henderson <rth@cygnus.com>
11350 * final.c (final): Do not abort when reg-stack introduces
11353 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
11355 * cpplib.h (struct cpp_name): Now struct cpp_string.
11356 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
11357 CPP_HEADER_NAME): Change to type S.
11358 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
11359 field, a cpp_hashnode *. All references to val.name updated
11360 to use val.str or val.node as appropriate.
11361 (struct cpp_reader): Add spec_nodes field.
11362 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
11364 * cpphash.h (struct spec_nodes): New.
11365 (enum spell_type): Reorder. Only SPELL_STRING tokens use
11366 val.str. All references to 'spelling > SPELL_NONE' updated to
11369 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
11370 pfile->buffer->inc are not NULL before dereferencing them.
11372 * cpplex.c (parse_name): Take a pointer to the current token,
11373 plus current position and limit as args; return the new
11374 position; don't copy the text of a name into the string
11375 buffer, instead call cpp_lookup and store the node pointer.
11376 If extending a token, copy out the text of the old into a
11377 scratch buffer, append the new, look that up and store the new
11378 node pointer. Inline.
11379 (maybe_paste_with_next): If the result of paste is a NAME,
11380 then look up the pasted text and store its node pointer.
11381 (lex_line): Adjust for new parse_name interface.
11382 Check for L"str", L'str' using spec_nodes->n_L.
11383 (spell_token): SPELL_IDENT tokens have their spelling in
11384 val.node->name. Handle SPELL_STRING tokens that don't have
11386 (_cpp_expand_name_space,
11387 (can_paste): Check for L ## "str" using spec_nodes->n_L.
11388 (cpp_get_token, special_symbol): No need to call cpp_lookup.
11389 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
11390 return 1=equal 0=not, not a tristate.
11392 * cpphash.c (var_args_str): Delete.
11393 (find_param): Compare node fields directly.
11394 (is__va_args__): Use CPP_PEDANTIC. Just compare
11395 token->val.node with spec_nodes->n__VA_ARGS__.
11396 (dump_funlike_macro): Don't use var_args_str.
11398 * cpplib.c (_cpp_check_directive): Just walk through
11399 spec_nodes->dirs comparing pointers.
11400 (get_define_node, do_pragma_poison, detect_if_not_defined,
11401 parse_ifdef): The identifier has already been looked up.
11402 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
11404 (do_if): Only call detect_if_not_defined at beginning of file.
11405 (_cpp_parse_assertion): Only copy string pointers for
11406 SPELL_STRING tokens.
11407 (pragma_dispatch): Take a node pointer and examine its name
11409 (_cpp_init_stacks): Also initialize the spec_nodes structure.
11411 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
11413 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
11414 reverse order from the corresponding _cpp_init_* routines.
11416 * cppexp.c (parse_number, parse_charconst, parse_defined,
11417 lex): Check val.node->type instead of calling cpp_defined.
11418 Use spec_nodes entries where appropriate.
11420 * fix-header.c, scan-decls.c: Update for interface changes.
11422 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
11424 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
11425 emitting aux_truncdfsf2.
11427 2000-07-03 Donn Terry (donnte@microsoft.com)
11429 * cppinit.c (print_help): split overlong line into ISO C89
11432 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11434 * cppexp.c: Update all code for new lexer interface.
11435 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
11436 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
11437 * cpplex.c (token_names): Trim leading CPP_ from names; make
11438 the strings unsigned.
11439 (_cpp_spell_operator): New.
11440 (is_macro_disabled): Disable all macros if rescanning
11442 (_cpp_get_directive_token): Remove.
11444 * cppinit.c: Don't set no_macro_expand.
11445 * cpplib.c (read_line_number, do_line): Check only for EOF,
11447 * cpphash.h: Update prototypes.
11448 * cpplib.h (CPP_VSPACE): Remove.
11449 (struct cpp_reader): Remove no_macro_expand.
11451 2000-07-08 Neil Booth <NeilB@earthling.net>
11453 * cpphash.c (is__va_args__): New function.
11454 (count_params): Fix line reported in error messages. Use
11455 is__va_args__. Don't return ')' on error. Flag GNU style
11456 rest args macro definitions.
11457 (parse_define): Check macro name is not __VA_ARGS__.
11458 (save_expansion): Check identifier in non-varargs-macro is
11459 not __VA_ARGS__. Don't flag GNU_VARARGS.
11460 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
11461 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
11462 than per-token GNU_VARARGS.
11463 * cpplib.h (GNU_VARARGS): Remove.
11464 (GNU_REST_ARGS): New.
11466 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11468 * i386.md (call_pop, call, call_value_pop): Do not set
11469 current_function_uses_pic_offset_table for calls to static
11470 functions or indirect calls.
11472 2000-07-07 Jim Wilson <wilson@cygnus.com>
11474 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
11475 is_predicate_reg, then take max write_count of register pair.
11477 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11479 * tradcpp.c (main): Rename label `include' to `add_include' to
11480 avoid conflicts with variable `include' in traditional C.
11482 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11484 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
11486 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11488 * sibcall.c (uses_addressof): Add INMEM argument, check for
11489 current_function_internal_arg_pointer outside of MEM rtxs in addition
11491 (sequence_uses_addressof): Update caller.
11493 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11495 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
11498 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11500 * system.h (UNION_INIT_ZERO): New macro for initializing union
11501 members in structs.
11503 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
11505 2000-07-07 Neil Booth <NeilB@earthling.net>
11507 * cpp.texi: Update.
11509 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
11511 * final.c (final): Detect out of bounds array access to
11512 the insn_lengths array.
11514 2000-07-07 Kazu Hirata <kazu@hxi.com>
11516 * fold-const.c (fold): Fix a comment typo.
11518 2000-07-07 Neil Booth <NeilB@earthling.net>
11520 * cpp.texi: Update to new lexer.
11522 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11524 * tradcpp.c: New file.
11525 * tradcif.y: New file.
11526 * tradcif.c: New generated file.
11528 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
11529 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
11530 dependencies of C. Install tradcpp from install-common, in
11533 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11535 * cppinit.c: Include cppdefault.h. Refer to
11536 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
11537 to GCC_INCLUDE_DIR and its length.
11538 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
11539 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
11540 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
11542 (include_defaults_array): Move to cppdefault.c.
11544 * cppdefault.h: New file.
11545 * cppdefault.c: New file.
11547 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
11548 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
11549 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
11552 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11554 * reload.c (push_reload): When seeing if can reuse a register,
11555 check extra registers against widest of INMODE and OUTMODE.
11557 2000-07-06 Neil Booth <NeilB@earthling.net>
11559 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
11560 based on full length of predicate.
11562 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
11564 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
11565 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
11567 2000-07-05 Kazu Hirata <kazu@hxi.com>
11569 * h8300-proto.h: Fix formatting.
11570 * h8300.c: Likewise.
11571 * h8300.h: Likewise.
11573 2000-07-05 Jim Wilson <wilson@cygnus.com>
11575 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
11578 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
11580 * invoke.texi: Fix minor typos
11581 * md.texi: Fix minor typos
11583 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
11585 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
11587 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11589 * cpplex.c: Don't include sys/mman.h.
11590 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
11592 * cpplib.c: Include sys/mman.h and obstack.h.
11593 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
11595 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
11596 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
11597 bother freeing if stack entries (they will be freed with their buffer).
11598 (do_endif): Free if stack entries from the buffer obstack.
11599 (push_conditional): Allocate if stack entries from the buffer obstack.
11601 (find_answer): Rename to _cpp_find_answer.
11602 (do_assert, do_unassert): Update.
11604 * cpphash.h: Update prototypes.
11605 (xobnew): New convenience macro.
11606 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
11608 (struct cpp_hashnode): Remove disabled field.
11610 * cppinit.c: Don't include hashtab.h or splay-tree.h.
11611 (report_missing_guard): Moved to cppfiles.c.
11612 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
11614 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
11615 cpp_cleanup_includes. Don't destroy hashtab or
11616 all_include_files here.
11617 (cpp_finish): Use _cpp_report_missing_guards.
11619 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
11620 (_cpp_init_include_table): Rename _cpp_init_includes.
11621 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
11623 * cppexp.c (parse_assertion): Update for new name of
11626 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
11628 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11630 * cpplib.c (do_ident): s/VSPACE/EOF/
11632 2000-07-05 Neil Booth <NeilB@earthling.net>
11634 * cpplex.c: Fix trigraph replacement within strings.
11636 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11638 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
11640 * xcoffout.c (assign_type_number): Constify.
11641 (xcoffout_source_file): Add static prototype. Don't needlessly
11642 cast away const-ness.
11644 2000-07-04 Jason Merrill <jason@redhat.com>
11646 * frame.h (frame_state): Move base_offset to end.
11648 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
11650 * calls.c (emit_library_call_value_1): Revert previous change.
11652 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
11654 * fix-header.c (struct partial_proto): Remove unnecessary fields.
11655 (recognized_extern, recognized_function, read_scan_file):
11656 Update for new scheme.
11657 (check_protection): It's still a multiple include guard even
11658 if it doesn't always trigger.
11659 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
11661 * scan.h: Declare struct cpp_token. Update prototypes.
11663 2000-07-03 Neil Booth <neilb@earthling.net>
11664 Zack Weinberg <zack@wolery.cumb.org>
11666 Complete overhaul of the lexer and macro expander.
11668 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
11669 arg, arglist, argdata, reflist, collect_objlike_expansion,
11670 collect_funlike_expansion, collect_params,
11671 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
11672 unsafe_chars, macarg, compare_defs, special_symbol,
11673 scan_arguments, stringify, funlike_macroexpand,
11674 _cpp_quote_string, monthnames): Delete.
11675 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
11676 _cpp_create_definition, _cpp_dump_definition,
11677 dump_hash_helper): Adjust.
11678 (find_param, count_params, parse_define, var_args_str,
11679 check_macro_redefinition, save_expansion): New.
11681 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
11682 parse_string, output_line_command, trigraph_replace,
11683 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
11684 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
11685 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
11686 _cpp_skip_rest_of_line): Modify.
11688 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
11689 find_position, null_warning, bump_column, expand_name_space,
11690 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
11691 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
11692 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
11693 _cpp_prescan): Delete.
11695 (dump_param_spelling, process_directive, lex_next,
11696 is_macro_disabled, stringify_arg, expand_context_stack,
11697 output_token, make_string_token, alloc_number_token,
11698 special_symbol, duplicate_token, maybe_paste_with_next,
11699 can_paste, prevent_macro_expansion, restore_macro_expansion,
11700 get_temp_token, release_temp_tokens, quote_string,
11701 token_names, token_spellings, _cpp_expand_name_space,
11702 _cpp_glue_header_name, _cpp_reserve_name_space,
11703 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
11704 placemarker_token, eof_token, cpp_context, macro_args,
11705 get_raw_token, parse_arg, parse_args, save_token,
11706 push_arg_context, push_macro_context, pop_context,
11707 do_pop_context, free_macro_args, _cpp_get_line,
11708 _cpp_run_directive): New.
11710 * cpplib.c (validate_else, parse_include, push_conditional,
11711 pass_thru_directive, read_line_number, parse_ifdef,
11712 detect_if_not_defined, _cpp_check_directive, do_define,
11713 do_undef, do_include, do_import, do_include_next, do_error,
11714 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
11715 top_pragmas, do_pragma_gcc, do_pragma_implementation,
11716 do_pragma_poison, do_pragma_system_header,
11717 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
11718 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
11719 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
11720 cpp_defined): Update for new scheme.
11721 (strtoul_for_line, get_define_node, dump_macro_name,
11722 _cpp_check_linemarker, _cpp_parse_assertion): New.
11723 (_cpp_handle_directive, do_pragma_default): Delete.
11725 * cpphash.h (struct predicate): Now struct answer.
11726 (enum spell_type, struct token_spelling, struct directive,
11727 directive_handler): New.
11728 Update prototypes. Remove unused macros.
11729 * cpplib.h: Update prototypes. Remove unused macros,
11730 structure definitions, and fields.
11732 * cpperror.c (print_containing_files, v_message): Adjust.
11733 * cppexp.c (parse_assertion, lex, parse_escape,
11734 _cpp_parse_expr): Adjust.
11735 * cppfiles.c (open_include_file, _cpp_execute_include,
11736 _cpp_compare_file_date, cpp_read_file, read_include_file):
11738 * cppinit.c (dump_special_to_buffer): Delete.
11739 (append_include_chain, merge_include_chains, cpp_reader_init,
11740 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
11741 cpp_finish, handle_option, print_help): Adjust.
11742 * cppmain.c (main): Adjust.
11744 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
11746 * cppspec.c (lang_specific_driver): Use double quotes in error
11749 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
11751 * calls.c (emit_library_call_value_1): Use valreg instead
11752 of hard_libcall_value.
11754 2000-07-03 Geoff Keating <geoffk@cygnus.com>
11756 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
11757 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
11758 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
11766 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
11767 mode instead of wider_mode is being used.
11769 2000-07-03 Jakub Jelinek <jakub@redhat.com>
11771 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
11772 of 'r'. Use q_regs_operand.
11773 (andsi_1+2): Use q_regs_operand.
11775 2000-07-03 Jakub Jelinek <jakub@redhat.com>
11777 * builtins.c (get_memory_rtx): Always put into alias set 0.
11779 2000-07-03 Nick Clifton <nickc@cygnus.com>
11781 * config/arm/arm.md: Fix post increment and pre increment
11782 peepholes so that they do not generate UNPREDICATBLE opcodes.
11783 (ie ones where the increment clobbers the source/destination).
11785 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
11787 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
11788 change too big for -mtiny-stack" a warning, if larger than 63.
11789 (out_set_stack_ptr): Change the logic so -mno-interrupts is
11790 always safe to use on possible future devices.
11791 (function_prologue): Write SPH before SPL, for consistency.
11792 If interrupt_func_p true, we know we have enabled interrupts.
11793 (avr_num_arg_regs): New function. Round up to even number of
11794 bytes if no -mpack-args or if calling a libgcc function.
11795 (function_arg, function_arg_advance): Use it.
11796 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
11797 Output "movw" if available.
11798 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
11799 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
11800 (asm_output_section_name): Add blanks for consistent output.
11801 (encode_section_info): Set TREE_READONLY for progmem data to
11802 avoid gas warnings about changed section attributes.
11803 (avr_hard_regno_mode_ok): Force non-QImode data to start in
11804 even numbered registers on devices with "movw".
11805 * config/avr/avr.h (MASK_*): Define bits for target_flags.
11806 (TARGET_SWITCHES): Mark help strings for translation.
11807 Add new -mpack-args and -menhanced switches.
11808 (TARGET_OPTIONS): Mark help strings for translation.
11809 (progmem_section): Add section attributes.
11810 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
11811 Output "movw" if available.
11812 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
11814 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
11815 call convention (arguments aligned on even registers).
11816 (_cleanup, _exit): Make weak symbols libc can override.
11818 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11820 * fp-bit.h: New file.
11822 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
11823 Comment #endif statements.
11824 (__thenan_sf, __thenan_df): Add missing braces around initializer.
11826 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
11828 * gcse.c (compute_pre_data): Compute ae_kill using other local
11829 properties instead of calling compute_ae_kill.
11831 * alias.c (init_alias_analysis): Do not call
11832 prologue_epilogue_contains until after reload has completed.
11834 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
11836 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
11837 (genrtl_finish_compound_stmt): Likewise.
11838 (genrtl_compound_stmt): Change to return void.
11840 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
11841 move code from here to ...
11842 (genrtl_compound_stmt): ... here.
11843 (genrtl_finish_compound_stmt): Remove.
11844 (expand_stmt): Add comment.
11846 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
11848 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
11851 2000-07-02 Jakub Jelinek <jakub@redhat.com>
11853 * cpplib.h (struct cpp_reader): New field include_depth.
11854 (struct cpp_printer): Rename last_bsd to last_id.
11855 * cppfiles.c (read_include_file): Bump include_depth.
11856 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
11857 (output_line_command): Output correct #line if a header
11858 is including itself and is not protected against multiple inclusion.
11859 Use include_depth instead of buffer_stack_depth, last_id instead of
11861 * cppinit.c (cpp_start_read): Initialize last_id instead of
11864 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
11866 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
11867 (c-semantics.o): New target.
11869 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
11870 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
11871 (genrtl_clear_out_block): Likewise.
11872 (genrtl_goto_stmt): Likewise.
11873 (genrtl_expr_stmt): Likewise.
11874 (genrtl_decl_stmt): Likewise.
11875 (genrtl_if_stmt): Likewise.
11876 (genrtl_while_stmt): Likewise.
11877 (genrtl_do_stmt): Likewise.
11878 (genrtl_return_stmt): Likewise.
11879 (genrtl_for_stmt): Likewise.
11880 (genrtl_break_stmt): Likewise.
11881 (genrtl_continue_stmt): Likewise.
11882 (genrtl_scope_stmt): Likewise.
11883 (genrtl_switch_stmt): Likewise.
11884 (genrtl_case_label): Likewise.
11885 (genrtl_begin_compound_stmt): Likewise.
11886 (gerntl_finish_compound_stmt): Likewise.
11887 (genrtl_compound_stmt): Likewise.
11888 (genrtl_asm_stmt): Likewise.
11889 (genrtl_decl_cleanup): Likewise.
11890 (DECL_ANON_UNION_ELEMS): Likewise.
11891 (emit_local_var): Likewise.
11892 (make_rtl_for_local_static): Likewise.
11893 (expand_cond): Likewise.
11894 (expand_stmt): Likewise.
11895 (c_expand_return): Likewise.
11896 (c_expand_start_case): Likewise.
11897 (do_case): Likewise.
11898 (COMPOUND_STMT_NO_SCOPE): Likewise.
11899 (c_expand_asm_operands): Likewise.
11900 (NEW_FOR_SCOPE_P): New macro.
11901 (expand_expr_stmt_fn): New type.
11903 (set_current_function_name_declared): Likewise.
11904 (current_function_name_declared): Likewise.
11905 (lang_expand_stmt): Likewise.
11906 (stmts_are_full_exprs_p): Likewise.
11907 (anon_aggr_type_p): Likewise.
11908 (lang_expand_expr_stmt): Likewise.
11909 (build_case_label): Likewise.
11911 * c-decl.c (lang_expand_expr_stmt): Initialize.
11912 (stmts_are_full_exprs_p): Define.
11913 (current_function_name_declared): Likewise.
11914 (do_case): Likewise.
11915 (lang_expand_stmt): Likewise.
11916 (set_current_function_name_declared): Likewise.
11917 (anon_aggr_type_p): Likewise.
11919 * c-semantics.c: New file.
11920 (expand_cond): Moved from cp/semantics.c.
11921 (genrtl_do_pushlevel): Likewise.
11922 (genrtl_clear_out_block): Likewise.
11923 (genrtl_goto_stmt): Likewise.
11924 (genrtl_expr_stmt): Likewise.
11925 (genrtl_decl_stmt): Likewise.
11926 (genrtl_if_stmt): Likewise.
11927 (genrtl_while_stmt): Likewise.
11928 (genrtl_do_stmt): Likewise.
11929 (genrtl_return_stmt): Likewise.
11930 (genrtl_for_stmt): Likewise.
11931 (genrtl_break_stmt): Likewise.
11932 (genrtl_continue_stmt): Likewise.
11933 (genrtl_scope_stmt): Likewise.
11934 (genrtl_switch_stmt): Likewise.
11935 (genrtl_case_label): Likewise.
11936 (genrtl_begin_compound_stmt): Likewise.
11937 (genrtl_finish_compound_stmt): Likewise.
11938 (genrtl_compound_stmt): Likewise.
11939 (genrtl_asm_stmt): Likewise.
11940 (genrtl_decl_cleanup): Likewise.
11941 (make_rtl_for_local_static): Moved from cp/decl.c.
11942 (emit_local_var): Likewise.
11943 (expand_stmt): Define.
11945 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
11946 (c_expand_return): Likewise.
11947 (c_expand_start_case): Likewise.
11949 2000-07-01 Richard Henderson <rth@cygnus.com>
11951 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
11952 with the low 13 bits set.
11953 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
11954 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
11955 of the low 13 bits into a CONST plus an adddi3.
11956 (load_symptr): Set RTX_UNCHANGING_P.
11958 See ChangeLog.3 for earlier changes.