1 2000-11-22 Michael Meissner <meissner@redhat.com>
3 * d30v.h (TARGET_SWITCHES): Add documentation strings.
4 (TARGET_OPTIONS): Ditto.
5 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
8 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
10 * pa.c (hppa_encode_label): Account for addition of encoding
11 character when allocating persistent space for the new label
14 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
16 * Makefile.in, config.gcc, configure.in: Expunge remaining
17 traces of facility for running MD files through C preprocessor.
19 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
21 * gcov.texi: Add magic comments for texi2pod.pl.
22 * Makefile.in: Add rules to generate and install gcov.1.
23 * gcov.1: New (generated) file.
25 2000-11-21 Richard Henderson <rth@redhat.com>
27 * regrename.c (scan_rtx_reg): Terminate the chain rather than
28 abort on mark_read with NO_REGS.
30 2000-11-21 Mike Stump <mrs@wrs.com>
32 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
33 compilation with older compilers, such as /bin/cc on SunOS.
34 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
36 2000-11-21 Richard Henderson <rth@redhat.com>
38 * varasm.c (record_constant): Pad the constructed
39 constant_descriptor appropriately.
41 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
43 * rtl.h (traverse_md_constants): Declare.
44 (struct md_constant): Define.
45 * Makefile.in (HOST_RTL): Add hashtab.o .
46 (OBJS): Add hashtab.o .
47 (hashtab.o): New rule.
48 (rtl.o): Depends on HASHTAB_H.
49 * rtl.c (hashtab.h): #include.
50 (md_constants): New static variable.
51 (def_hash, def_name_eq_p, read_constants): New static functions.
52 (traverse_md_constants): New function.
53 (read_name): Do constant expansion.
54 (read_rtx): Recognize define_constants.
55 * gencodes.c (print_md_constant): New function.
56 (main): Emit #defines for all constant definitions encountered.
57 * md.texi (Constant Definitions): New node.
58 * gensupport.c (xcalloc): New function.
60 2000-11-21 Richard Henderson <rth@redhat.com>
62 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
63 * config/alpha/alpha-protos.h: Declare it.
64 * config/alpha/alpha.md (abstf_internal): Use it.
65 (negtf_internal): Likewise.
66 (andnotdi3): Unstar the name.
67 (movtf_internal): Add o/G alternative.
69 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
71 * stringpool.c (stringpool_statistics): Also report number and
72 percentage of entries which are identifiers.
74 2000-11-21 Diego Novillo <dnovillo@redhat.com>
76 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
77 visited before visiting it.
79 2000-11-21 Nick Clifton <nickc@redhat.com>
81 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
82 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
84 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
86 2000-11-21 Richard Henderson <rth@redhat.com>
88 * c-common.c (c_unsafe_for_reeval): New function.
89 (add_c_tree_codes): Register it.
90 * c-common.h: Declare it.
91 * tree.c (lang_unsafe_for_reeval): New hook.
92 (unsafe_for_reeval): Call it.
95 2000-11-21 Richard Henderson <rth@redhat.com>
97 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
100 2000-11-21 Neil Booth <neilb@earthling.net>
102 * do_includes: Revert to using cpp_read_file.
104 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
106 * loop.c (consec_sets_giv): If the reg we're examining is anything
107 but UNKNOWN_INDUCT, do nothing.
108 Reset the reg's type to UNKNOWN_INDUCT before returning.
110 Mostly from Vladimir Makarov (vmakarov@redhat.com)
111 * ia64.md (attr itanium_class): Define insn types as described in
113 (all insn patterns): Use itanium_class, not type attributes.
114 Occasionally split alternatives as necessary.
115 (attr type): Compute from new attr itanium_class.
117 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
119 * tradcpp.c (output_line_command): Mark system headers as such in
122 2000-11-21 Jakub Jelinek <jakub@redhat.com>
124 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
125 support in as as well.
126 * configure: Regenerate.
128 2000-11-20 Richard Henderson <rth@redhat.com>
130 * c-lex.c (orig_filename): New variable.
131 (init_c_lex): Set it. Move call to cpp_start_read ...
132 (yyparse): ... here. New function.
133 * c-parse.in (yyparse_1): Rename the parser entry point.
134 * c-tree.h: Declare it.
136 2000-11-21 Jakub Jelinek <jakub@redhat.com>
138 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
139 integer constant, use type of op1 for comparison.
141 2000-11-20 Stan Shebs <shebs@apple.com>
143 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
144 * config/rs6000/x-darwin: New file, Darwin host fragment.
145 * config.gcc (powerpc-*-darwin*): New host.
146 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
147 overridden by a config file.
149 2000-11-20 Neil Booth <neilb@earthling.net>
151 * cppmacro.c (paste_tokens): Rename from paste_payloads.
152 Change token type after pasting spellings.
153 (paste_all_tokens): Use it.
154 * gcc.dg/cpp/paste2.c: Update test.
155 * objc/execute/paste.m: New test.
157 2000-11-20 Richard Henderson <rth@redhat.com>
159 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
160 dwarf_subscr_data_formats bits.
161 * dwarfout.c (simple_type_size_in_bits): Handle a type with
162 no computed size as size zero.
163 (field_byte_offset): Likewise.
164 (subscript_data_attribute): Handle a range with no upper bound.
166 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
168 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
170 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
172 * c-typeck.c (build_conditional_expr): When merging type
173 qualifiers for conditional expressions between a pointer and a
174 pointer to a void type, merge the qualifiers on the target types
175 rather than the pointer type. Remove obsolete conditioned out
178 2000-11-20 Neil Booth <neilb@earthling.net>
180 * c-lang.c (lang_init_options): Update call to
182 * cppmain.c (main): Similarly.
183 * fix-header.c (read_scan_file): Similarly.
184 * cp/lex.c (lang_init_options): Similarly.
185 * objc/objc-act.c (lang_init_options): Similarly.
186 * cppexp.c (parse_number): Only warn for unextended C89.
187 * cppinit.c (set_lang): New function.
188 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
189 (COMMAND_LINE_OPTIONS): New option std=c++98.
190 (cpp_handle_option): Use set_lang.
191 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
192 * cppib.h (enum_c_lang): New enumeration. Update comments.
194 2000-11-20 Will Cohen <wcohen@redhat.com>
196 * calls.c (expand_call): Clear target only when target is in
197 hard register and current_function_check_memory_usage is set.
199 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
201 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
203 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
205 2000-11-19 Richard Henderson <rth@redhat.com>
207 * crtstuff.c (force_to_data): Use array size 1 not 0.
209 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
210 no computed size as size zero.
211 (field_byte_offset): Likewise.
213 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
215 * config.gcc: Fix another typo.
217 2000-11-19 Richard Henderson <rth@redhat.com>
219 * c-decl.c (grokdeclarator): Support flexible array members.
220 Use open-ended ranges for these and zero-length arrays.
221 * c-typeck.c (push_init_level): Validate the context of
222 initialization of a zero-length array.
223 * tree.c (int_fits_type_p): Be prepared for missing bounds.
224 * varasm.c (array_size_for_constructor): New.
225 (output_constructor): Use it for arrays of unspecified length.
226 * extend.texi (Zero Length): Mention C99 flexible array members.
227 Document initialization in a top-level struct as valid.
229 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
231 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
233 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
234 stdarg and varargs functions.
236 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
238 * gcc.c (process_command): Define 'j' variable when
239 MODIFY_TARGET_NAME is defined.
241 2000-11-19 Richard Henderson <rth@redhat.com>
243 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
245 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
247 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
248 calculation and allocation.
250 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
252 * builtins.c (c_getstr): Constify variable.
253 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
254 * conflict.c (const_conflict_graph_arc): New typedef.
255 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
256 * cppmacro.c (builtin_macro): Likewise.
257 * dwarf2out.c (output_comp_unit): Constify variable.
258 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
259 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
260 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
262 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
263 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
264 * varasm.c (const_str_htab_hash, const_str_htab_eq,
265 compare_constant_1, record_constant_1): Constify.
267 2000-11-18 Richard Henderson <rth@redhat.com>
269 * c-decl.c (grokdeclarator): Special case the creation of an
270 index for a zero-length array.
271 * tree.c (build_index_type): Revert Oct 20 change.
273 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
275 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
276 * config/avr/avr.c (jump_tables_size): New variable.
277 (function_prologue): Initialize it as 0.
278 (function_epilogue): Add it to function_size.
279 (avr_output_addr_vec_elt): New function. Count words in jump
280 tables in jump_tables_size. Move code ...
281 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
282 Call avr_output_addr_vec_elt instead.
283 * config/avr/avr.md (tablejump): Remove disabled define_expand.
285 2000-11-18 Mark Mitchell <mark@codesourcery.com>
287 * configure.in: Make --enable-new-gxx-abi the default.
288 * configure: Likewise.
290 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
292 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
294 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
295 Move extern function declarations to tradcpp.h.
297 * tradcpp.c: Likewise.
299 * tradcpp.h: New file.
301 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
303 * c-decl.c (check_for_loop_decls): New function.
304 * c-parse.in (for_init_stmt): New.
305 (select_or_iter_stmt): Use for_init_stmt.
306 * c-tree.h (check_for_loop_decls): New declaration.
308 2000-11-18 Neil Booth <neilb@earthling.net>
310 * cppinit.c: Update comments.
311 (cpp_reader_init): Make -imacro and -include use the standard
312 #include "" search path.
313 (do_includes): New function.
315 2000-11-18 Ben Elliston <bje@redhat.com>
317 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
318 out of a branch delay slot.
320 2000-11-17 Richard Henderson <rth@redhat.com>
322 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
323 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
324 (ASM_FILE_START): Only write out ecoff .file directive if
325 emitting mdebug debugging.
327 2000-11-17 Richard Henderson <rth@redhat.com>
329 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
330 whether as accepts .file/.loc and produces dwarf2 line info.
331 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
332 the assembler supports it.
333 * config.in, configure: Regenerate.
335 2000-11-17 Richard Henderson <rth@redhat.com>
337 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
339 2000-11-17 Jim Wilson <wilson@redhat.com>
341 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
342 Don't clear need_barrier is next_insn is a CALL_INSN, or has
343 instruction type B or UNKNOWN.
345 2000-11-17 Neil Booth <neilb@earthling.net>
347 * cpperror.c (print_file_and_line): Don't display line number if 0.
349 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
351 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
352 digit_vector and digit_string.
353 * stringpool.c (digit_vector): New.
354 (ggc_alloc_string): Use digit_string.
356 * stmt.c (digit_strings): Delete.
357 (init_stmt): Do not initialize digit_strings.
358 (expand_asm_operands): Use ggc.h's digit_string macro.
359 * toplev.c (mark_file_stack): Delete.
360 (compile_file): Don't call init_tree_codes.
361 (main): No need to make the file stack a GC root.
362 * tree.c (init_tree_codes): Delete.
363 * tree.h (init_tree_codes): Delete.
365 * c-lex.c: Don't include ggc.h.
366 (mark_splay_tree_node, mark_splay_tree): Delete.
367 (init_c_lex): No need to ggc_strdup string constant. Don't add
368 file_info_tree to GGC roots.
369 (cb_enter_file, cb_rename_file): No need to ggc_strdup
372 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
374 * dbxout.c (dbxout_init),
375 dwarf2out.c (dwarf2out_line),
376 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
377 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
378 xcoffout.c (xcoffout_source_file),
379 i386.c (load_pic_register):
380 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
382 * except.c (create_rethrow_ref),
383 profile.c (init_edge_profiler),
384 toplev.c (compile_file),
385 varasm.c (named_section, assemble_static_space,
386 assemble_trampoline_template, output_constant_def, force_const_mem),
387 i386.c (load_pic_register),
388 ia64.c (ia64_encode_section_info),
389 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
390 rs6000_emit_prologue, rs6000_emit_epilogue),
391 rs6000.md (load_toc_aix_si, load_toc_aix_di):
392 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
394 * profile.c (output_func_start_profiler),
396 i386.c (load_pic_register): No need to ggc_strdup string constant.
398 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
400 * Makefile.in (config.status): Depend on config.gcc.
401 * configure.in <for machine in $build $host $target>: Move
402 contents of loop into config.gcc, removing autoconf quoting.
403 Fix changequote bug for alpha*-*-vxworks*.
404 * configure: Regenerate.
407 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
409 * c-parse.in (if_prefix): Find the filename and line number at
410 $-2 and $-1 respectively.
411 * diagnostic.c (error_recursion): Add missing newline, use
412 fputs, translate string.
414 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
416 * stringpool.c: New file.
417 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
418 (ggc_alloc_string): Now in stringpool.o.
419 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
420 * ggc.h: Delete prototype of ggc_add_string_root. #define
421 ggc_add_string_root and ggc_mark_string to nothing. Prototype
422 init_stringpool and stringpool_statistics.
423 (ggc_alloc_string): Returns a const char *.
424 * tree.c (hash_table, do_identifier_warnings): Delete.
425 (init_obstacks): Don't initialize the identifier hash table.
426 (get_identifier, maybe_get_identifier, start_identifier_warnings,
427 set_identifier_size): Now in stringpool.c.
428 * tree.h (struct tree_string): Constify pointer field.
429 (approx_sqrt): Prototype.
431 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
433 * toplev.c (approx_sqrt): New function.
434 (compile_file): Call stringpool_statistics if mem_report is on.
435 (main): Call init_stringpool.
437 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
438 (process_directive), c-typeck.c (constructor_asmspec, struct
439 initializer_stack, start_init), except.c (create_rethrow_ref),
440 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
441 (built_in_filename), varasm,c (in_named_name,
442 assemble_static_space, struct constant_descriptor, struct
443 deferred_string, struct pool_constant, force_const_mem),
444 i386.c (pic_label_name, global_offset_table_name), rs6000.c
445 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
447 * c-common.c (combine_strings): Combine strings in scratch
448 buffer, then pass to build_string.
449 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
450 output_func_start_profiler), stmt.c (init_stmt), alpha.c
451 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
452 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
453 rs6000.c (rs6000_encode_section_info): Create string in
454 scratch buffer, then pass to ggc_alloc_string.
456 * stmt.c (expand_asm_operands): If we must adjust the
457 constraint strings, do so by creating a new one, not by
458 modifying the old one in place. Constify some char *s.
459 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
460 argument. Create string in scratch buffer, then pass to
462 * config/pa/pa-protos.h: Update prototype.
463 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
464 hppa_encode_label takes only one argument.
466 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
468 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
471 * cpplib.c (glue_header_name): Likewise.
473 * fixincl.c (run_compiles, start_fixer): Likewise.
475 * fixlib.c (load_file_data): Likewise.
477 * mkdeps.c (munge): Likewise.
479 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
481 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
482 trailing ';'. Fix formatting.
484 2000-11-16 Jim Wilson <wilson@redhat.com>
486 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
487 Shift masks left by one to avoid conflict.
489 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
492 2000-11-16 Nick Clifton <nickc@redhat.com>
494 * config/arm/arm.c (output_arm_prologue): Note nested functions.
495 (arm_expand_prologue): For nested functions preserve the
496 static chain register during stack frame creation.
498 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
499 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
500 with a stack frame there is a 4 byte gap between the arg
501 pointer and the hard frame pointer (used to preserve the
502 static chain register during stack frame creation).
504 2000-11-16 DJ Delorie <dj@redhat.com>
506 * rtl.c (read_rtx): Provide suitable names for unnamed
507 define_insn and define_insn_and_split patterns, based on file
510 2000-11-15 Neil Booth <neilb@earthling.net>
512 * cpplib.c (start_directive, end_directive): New functions.
513 (_cpp_handle_directive, run_directive): Use them.
514 (_cpp_handle_directive): Don't -Wtraditional on indented
516 (_cpp_push_buffer): Don't re-clear was_skipping.
517 * cpplib.h (struct cpp_reader): New member la_saved.
518 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
521 gcc.dg/cpp/_Pragma1.c: Update.
522 gcc.dg/cpp/_Pragma2.c: New test.
524 2000-11-15 Mark Mitchell <mark@codesourcery.com>
526 * toplev.c (wrapup_global_declarations): Don't write out
527 artificial static variables that aren't needed.
529 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
531 * ia64.c (struct group): New structure.
532 (last_group): New static array.
533 (group_idx): New static variable.
534 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
535 New static functions.
536 (emit_insn_group_barriers): Initialize and keep track of group_idx
538 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
539 Replace all calls to emit_insn_after that emit a group barrier to use
540 emit_group_barrier_after.
541 * ia64.h (MASK_B_STEP): New.
542 (other MASK_XXX macros): Renumbered.
543 (TARGET_B_STEP): New.
544 (TARGET_SWITCHES): Add -mb-step.
546 2000-11-15 Fred Fish <fnf@be.com>
548 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
549 machines for which fixincludes is not needed.
550 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
552 2000-11-15 Jason Merrill <jason@redhat.com>
554 * diagnostic.c (finish_abort): New fn.
555 (fancy_abort, error_recursion): Use it.
556 * toplev.c (crash_signal): Likewise.
557 * diagnostic.h: Declare it.
559 2000-11-13 Andrew Haley <aph@redhat.com>
561 * tree.c (build_type_no_quals): New function.
562 * tree.h (build_type_no_quals): Declare.
563 * c-common.c (c_get_alias_set): When considering type
564 compatibility for pointer types, ignore cv-qualifiers anywhere in
567 2000-11-15 Graham Stott <grahams@redhat.com>
569 * regrename.c (scan_rtx_rtx): Skip to the next chain on
570 encountering a terminated chain.
572 2000-11-14 Mark Mitchell <mark@codesourcery.com>
574 * configure.in: Move check for V3 above check for C++ header-file
576 * configure: Regenerated.
578 2000-11-14 DJ Delorie <dj@redhat.com>
580 * config/v850/v850.c: Remove obstacks.
582 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
584 * config/avr/avr.c (avr_case_values_threshold): New.
585 (avr_override_options): Set it depending on options, make it large
586 when not optimizing to work around "unable to generate reloads".
588 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
589 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
590 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
591 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
592 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
593 (avr_case_values_threshold): Declare as extern int.
594 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
596 * config/avr/avr.md (tablejump): Removed.
597 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
598 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
599 index in the table, not multiplied by 2.
600 (casesi): Change to match the above insns. Always enable.
602 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
603 Change to expect the word address of the table, multiply it by 2
604 here and not in the caller. Change "adiw" to faster "inc".
606 2000-11-14 Neil Booth <neilb@earthling.net>
608 * cppexp.c (parse_defined): Call cpp_get_token not
611 * cpplex.c (cpp_output_line): Similarly.
612 * cpplib.c (glue_header_name, do_line, do_ident,
613 parse_answer, parse_assertion): Similarly.
614 (_cpp_handle_diretive): Don't save to lookaheads
615 when processing directives.
616 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
618 (funlike_invocation_p): Don't save to lookaheads
619 when pre-expanding arguments.
620 (_cpp_get_token): Delete.
621 (cpp_get_token): Merge contents of _cpp_get_token.
623 2000-11-14 Jakub Jelinek <jakub@redhat.com>
625 * builtins.c (expand_builtin_setjmp): Set
626 current_function_calls_setjmp.
627 (expand_builtin_longjmp): Set current_function_calls_longjmp.
629 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
630 (do_builtin_setjmp_setup): New insn.
632 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
634 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
635 (int_fits_type_p): For variable bounds, call force_fit_type.
637 2000-11-14 Jakub Jelinek <jakub@redhat.com>
639 * varasm.c (struct deferred_string): New structure.
640 (const_str_htab): New variable.
641 (STRHASH): New macro.
642 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
643 constr_str_htab_eq, const_str_htab_del): New functions.
644 (output_constant_def): Add DEFER argument, defer string
645 constants until mark_constant_pool time if requested.
646 (mark_constant_pool): Walk the insn chain even if const_str_htab is
648 (mark_constants): If a SYMBOL_REF for deferred string is found,
649 output it and remove from hash table.
650 (output_addressed_constants): Set DEFER to 0 in call to
652 * rtl.h (STRING_POOL_ADDRESS_P): Define.
653 (output_constant_def): Adjust prototype.
654 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
656 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
658 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
659 signed types if flag_trapv.
661 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
663 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
666 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
668 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
670 2000-11-14 Jakub Jelinek <jakub@redhat.com>
672 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
673 to array of pool_constnat pointers.
674 (struct pool_constant): Add next_sym and label members.
675 (struct pool_sym): Remove.
676 (init_varasm_status): Change pool_sym into pool_constant.
677 (mark_pool_constant): Mark pc->label string as well.
678 (mark_pool_sym_hash_table): Remove.
679 (mark_varasm_status): Remove it from caller as well.
680 (free_varasm_status): Don't free pool_sym structures.
681 (force_const_mem): Don't allocate pool_sym structure, instead
682 fill pool->label and chain it into rtx_sym hash table.
683 (find_pool_constant, mark_constant_pool): Use pool_constant instead
686 2000-11-14 Jakub Jelinek <jakub@redhat.com>
688 * reload1.c (emit_input_reload_insns): Honour forcing of constants
689 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
691 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
693 * dominance.c: New file.
694 * Makefile.in (OBJS): Add dominance.o.
696 * flow.c (compute_flow_dominators): Remove.
697 (compute_immediate_dominators): Remove.
698 (compute_immediate_postdominators): Remove.
699 * basic-block.h: Remove their prototypes.
700 (calculate_dominance_info): Add prototype.
702 * dce.c (eliminate_dead_code): Change calls to above functions.
703 Don't compute dominators but only immediate dominators.
704 * flow.c (flow_loops_find): Change callers.
705 * gcse.c (compute_code_hoist_data): Likewise.
706 * haifa-sched.c (schedule_insns): Likewise.
707 * ifcvt.c (if_convert): Likewise.
708 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
711 2000-11-14 Richard Henderson <rth@redhat.com>
713 * stmt.c (warn_if_unused_value): Don't warn if the expression
716 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
717 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
719 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
721 * loop.c (basic_induction_var): Revert accidental checkin.
723 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
725 * c-lex.c (cb_leave_file): Harmonize conditions and order of
726 statements to those of process_directive for (action == act_pop).
728 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
730 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
733 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
735 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
738 2000-11-13 Neil Booth <neilb@earthling.net>
740 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
741 cases return without MI check.
742 * cpplib.c (do_diagnostic): Take boolean of whether to
743 print the directive name.
744 (do_error, do_warning): Update.
745 (do_pragma_dependency): Use it.
746 * cpplib.h (VARARGS_FIRST): Delete.
747 (struct cpp_token): Delete integer.
748 * cppmacro.c (enter_macro_context): Move disabled check
750 (_cpp_get_token): Simplify into a single loop.
752 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
754 * configure.in: Use 'test -f' not '[ -e'.
755 * configure: Regenerated.
757 2000-11-13 DJ Delorie <dj@redhat.com>
759 * config/mn10300/mn10300.md (store_movm): Note which registers are
760 really used or clobbered.
762 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
764 * c-parse.in (ends_in_label): Remove from %union and %type.
765 (decls, stmts, lineno_stmt_or_labels, xstmts,
766 lineno_stmt_or_label, stmt_or_label): Remove.
767 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
768 lineno_stmt_decl_or_labels_ending_decl,
769 lineno_stmt_decl_or_labels_ending_label,
770 lineno_stmt_decl_or_labels_ending_error,
771 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
772 lineno_stmt, lineno_label): New.
773 (compstmt_nostart): Use compstmt_contents_nonempty.
775 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
777 * c-common.c (boolean_increment): New function.
778 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
779 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
780 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
781 (boolean_increment): Declare.
782 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
783 * c-decl.c (init_decl_processing): Create boolean nodes.
784 (finish_struct): Allow for _Bool bitfields.
785 * c-parse.in (reswords): Add _Bool.
786 (rid_to_yy): Allow for RID_BOOL.
787 * c-typeck.c (default_conversion): Make booleans promote to int.
788 (convert_arguments, build_unary_op, build_modify_expr,
789 convert_for_assignment): Allow for booleans.
790 * ginclude/stdbool.h: Make conforming to C99.
792 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
794 * c-parse.in (c99_block_start, c99_block_end,
795 c99_block_lineno_labeled_stmt): New.
796 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
797 (stmt): Split off selection and iteration statements into...
798 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
800 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
802 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
805 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
807 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
808 Rewrite to avoid use of match_dup. Don't try to tie registers that
809 are not in the same mode.
811 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
813 * invoke.texi: Update lists of languages and suffixes supported.
815 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
817 * configure.in: Take toplevel configure arguments from the
818 environment to create configargs.h and substitute
819 gcc_config_arguments, taking account of any existing configargs.h
821 * configure: Regenerate.
822 * gccbug.in: Include toplevel configure arguments in gccbug.
824 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
826 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
827 union to make it well-aligned. Update all uses.
829 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
831 * c-parse.in (initelt): Give appropriate pedantic warnings,
832 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
834 (designator): If pedantic, pedwarn for a designator specifying a
836 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
838 * extend.texi: Document the C99 syntax as the preferred syntax,
839 and the pre-2.5 syntax as obsolete. Mention use of designator
840 lists for nested subobjects.
842 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
844 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
845 Add ATTRIBUTE_PRINTF.
846 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
847 Add ATTRIBUTE_PRINTF*.
849 2000-11-12 Mark Mitchell <mark@codesourcery.com>
851 * function.c (assign_parms): When calling put_var_into_stack, make
852 sure that there are no hidden pending sequences.
854 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
856 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
857 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
860 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
862 * c-common.c (c_common_nodes_and_builtins): Declare index and
863 rindex when nonansi builtins are allowed.
865 * extend.texi (index, rindex): Document new builtins.
867 2000-11-12 Mark Mitchell <mark@codesourcery.com>
869 * configure.in: Turn on libstdc++ V3 by default.
870 * configure: Regenerated.
872 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
874 2000-11-12 Jakub Jelinek <jakub@redhat.com>
876 * reload1.c (set_label_offsets): Go inside of PARALLELs.
878 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
880 * invoke.texi: Clean up option summary.
882 2000-11-12 Nick Clifton <nickc@redhat.com>
884 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
887 2000-11-12 Marc Espie <espie@openbsd.org>
889 * configure.in: Fix filds test.
892 2000-11-12 Mark Mitchell <mark@codesourcery.com>
894 * jump.c (delete_computation): Don't assume that just becuase an
895 instruction sets a register, that register is dead.
897 2000-11-12 Neil Booth <neilb@earthling.net>
899 * cppexp.c: Don't worry about pfile->skipping.
900 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
901 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
902 for handled directives.
903 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
904 and releasing lookaheads.
905 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
906 (do_else, do_elif, push_conditional): Update logic.
907 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
908 (unwind_if_stack): Inline into cpp_pop_buffer.
909 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
910 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
911 multiple-include optimisation.
912 * cpplib.h (struct cpp_buffer): New member was_skipping.
913 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
914 works because skipping == 0 in directives.
915 (_cpp_release_lookahead): Renamed from release_lookahead.
916 (cpp_get_token): No need to check skipping as _cpp_get_token does
917 this for us. No need to handle MI optimisation.
919 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
921 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
922 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
923 * fixinc/fixincl.x: Regenerated.
925 2000-11-11 Bruce Korb <bkorb@gnu.org>
927 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
928 (avoid_wchar_t_type): ditto
929 * fixinc/fixinc.irix: obsoleted
931 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
933 * configure.in: Don't add $outputs to all_lang_makefiles. Add
934 $srcdir/$s/Makefile.in if it exists.
935 * configure: Regenerate.
937 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
939 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
941 2000-11-11 Jason Merrill <jason@redhat.com>
943 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
944 give the parm a register and then call put_var_into_stack.
945 * stmt.c (expand_decl): Likewise.
947 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
949 * gcc.texi: Adjust wording.
951 2000-11-11 Mark Mitchell <mark@codesourcery.com>
953 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
954 * fininc/fixincl.x: Regenerated.
956 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
958 * invoke.texi: Correct spelling of -foptimize-register-move.
960 2000-11-11 Neil Booth <neilb@earthling.net>
962 Remove CPP_PLACEMARKERs.
964 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
965 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
966 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
968 * cpplib.h: Remove CPP_PLACEMARKER.
969 (struct lexer_state): Rename skip_newlines to next_bol.
970 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
971 Simplify prev_white handling as a result.
972 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
973 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
974 (parse_args): Similarly. Update argument count tests.
975 (enter_macro_context): Return 2 to indicate an empty macro.
976 (replace_args): Don't bother pre-expanding an empty argument.
977 Handle placemarkers and ## extension during pre-expansion.
978 (cpp_get_token): Handle empty macro expansions. Don't worry
979 about CPP_PLACEMARKERs.
980 (_cpp_create_definition): Empty macros are now empty.
981 (cpp_macro_defintion): Don't special case empty macros.
982 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
983 * c-lex.c: Similarly.
985 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
987 * gcc.texi, invoke.texi: Add new section discussing language
988 standards; link to it where appropriate; refer to ISO C instead of
991 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
993 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
996 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
999 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1001 * gcc.texi, gcov.texi: Update dates and version numbers.
1003 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
1005 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
1006 flex and bison, specifically, first in a unified build and
1007 then installed on the system.
1008 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
1009 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
1012 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
1013 cppdefault.o): Remove pointless sed munging of source file
1016 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
1018 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
1019 for address reloads. Push replacements for REG_INC notes.
1020 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
1022 * reload1.c (choose_reload_regs): Registers set in the insn can't be
1023 used for RELOAD_OTHER reloads.
1025 2000-11-10 Mark Mitchell <mark@codesourcery.com>
1027 * c-dump.h: New file.
1029 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1031 * alpha.c (check_float_value): Use memcpy, not bcopy.
1032 * arm.c (output_move_double): Likewise.
1034 * m88k.c (legitimize_operand): Likewise.
1035 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1036 * m88k.md: Likewise.
1037 * mips.c (override_options): Likewise.
1038 * mips.md: Likewise.
1039 * romp.c (output_fpops): Likewise.
1040 * rs6000.c (rs6000_override_options): Likewise.
1042 * vax.c (check_float_value): Likewise.
1044 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
1045 * expmed.c (synth_mult): Likewise.
1046 * final.c (add_bb_string): Likewise.
1047 * genattr.c (main): Likewise.
1048 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
1050 * jump.c (thread_jumps): Likewise.
1051 * prefix.c (save_string): Likewise.
1052 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
1053 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
1054 * reload1.c (reload, eliminate_regs): Likewise.
1056 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1058 * gcc.texi (Service): Update to reflect current practice and
1059 location of the GNU service directory.
1061 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
1063 * regrename.c (build_def_use): Mark contents of REG_INC notes as
1064 needing replacement.
1066 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
1067 a no-op move if regs are equal.
1068 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
1069 when calling jump after post-reload splitting.
1071 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
1073 * c-tree.texi: Fix typos.
1074 * extend.texi: Likewise
1075 * gcov.texi: Likewise
1076 * rtl.texi: Likewise
1079 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
1081 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1082 in_system_header and flags[1] before dereferencing flags[2].
1084 2000-11-09 Matthew Hiller <hiller@redhat.com>
1086 * reload1.c (reload_combine): Fixed calculation of
1087 first_index_reg, last_index_reg.
1089 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1091 * c-dump.c (dequeue_and_dump): Dump function bodies.
1093 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1094 (c-dump.o): New target.
1095 * c-common.h (flag_dump_translation_unit): New variable.
1096 (C_TYPE_QUALS): New macro.
1097 (strip_array_types): New function.
1098 (DECL_C_BIT_FIELD): New macro.
1099 (SET_DECL_C_BIT_FIELD): Likewise.
1100 (CLEAR_DECL_C_BIT_FIELD): Likewise.
1101 (dump_info_p): New typedef.
1102 (dump_tree_fn): Likewise.
1103 (lang_dump_tree): New variable.
1104 (dump_node_to_file): New function.
1105 * c-common.c (flag_dump_translation_unit): Define it.
1106 (strip_array_types): New function.
1107 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
1108 * c-lang.c (finish_file): Call dump_node_to_file if
1109 flag_dump_translation_unit.
1110 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
1111 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
1112 * c-dump.c: New file.
1114 2000-11-09 Christopher Faylor <cgf@cygnus.com>
1116 * config/i386/cygwin.h: Add mingw startfile prefix.
1118 2000-11-09 Richard Henderson <rth@redhat.com>
1120 * flow.c (invalidate_mems_from_set): Split out from ...
1121 (mark_set_1): ... here.
1122 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
1123 instead of turning insn into a NOTE_INSN_DELETED.
1125 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1127 * extend.texi, invoke.texi: Move documentation of builtin versions
1128 of C library functions to one place and update.
1130 2000-11-09 Richard Henderson <rth@redhat.com>
1132 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
1133 the types themselves to discover type equivalence.
1135 2000-11-09 Mike Stump <mrs@wrs.com>
1137 * Makefile.in (distclean): Remove a few extra leftovers.
1139 2000-11-09 Richard Henderson <rth@redhat.com>
1141 * recog.c (validate_replace_rtx_1): Consider subregs when
1142 replacing a register with a constant inside a sign/zero_extend.
1144 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1146 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
1148 * c-decl.c (finish_struct): When a structure is completed,
1149 check all its variant types for completeness.
1151 2000-11-09 Neil Booth <neilb@earthling.net>
1153 * cpphash.c: Move cpp_defined here from cpplib.c.
1154 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
1155 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
1156 * cppmacro.c (cpp_get_token): Update comments, no need now
1157 to catch the CPP_EOF meaning EOL case.
1159 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
1161 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
1162 is more than that provided, copy to a temporary.
1164 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
1166 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
1167 interpreting $out as a macro assignment.
1168 * Makefile.in (T_TARGET): New auxiliary macro and target.
1169 (all): Add a target right in the beginning, so that we don't build
1170 T_TARGET by default.
1172 2000-11-09 Graham Stott <grahams@redhat.com>
1174 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
1175 order for -mintel-syntax. Remove comment now that the operand
1176 order has been checked.
1177 (mmx_pextrw): Likewise.
1178 (mmx_pshufw): Likewise.
1180 2000-11-09 Jakub Jelinek <jakub@redhat.com>
1182 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
1183 (c_getstr): New function.
1184 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
1185 If both arguments are constant string, optimize out.
1186 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
1187 (expand_builtin_strpbrk): Use c_getstr, do nothing if
1188 -fcheck-memory-usage.
1189 (expand_builtin_fputs): Likewise.
1190 (expand_builtin_strcmp): Add MODE argument.
1191 Use even if !HAVE_cmpstrsi.
1192 Optimize the case when both arguments are constant strings.
1193 (expand_builtin): Adjust expand_builtin_strcmp caller.
1194 Call expand_builtin_strchr and expand_builtin_strrchr.
1195 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
1197 * builtins.def (BUILT_IN_STRRCHR): Add.
1199 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1201 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
1203 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
1205 * calls.c (expand_call, emit_library_call_value_1), collect2.c
1206 (scan_prog_file), config/a29k/a29k.c (print_operand),
1207 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
1208 instead of bcopy ().
1209 * real.h: Use memcmp () instead of bcmp ().
1210 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
1211 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
1212 ultrasparc_sched_init, ultrasparc_sched_reorder),
1213 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
1214 instead of bzero ().
1215 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
1216 instead of rindex ().
1217 * configure.in: Don't check for bzero, bcmp, index or rindex.
1218 * configure, config.in: Regenerate.
1219 * system.h: Don't include declarations for bzero, bcmp, index or
1221 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
1222 bzero, bcmp, index or rindex.
1224 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
1226 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
1227 include and library paths from -mcygwin case. Parameterize some
1228 declarations to avoid warnings. Use standard locations for include and
1231 2000-11-08 Nick Clifton <nickc@redhat.com>
1233 * config/arm/arm.md (mulsidi3adddi): Change output operand
1234 constraint from "=&" to "+&".
1235 (umulsidi3adddi): Change output operand constraint from "=&" to
1238 2000-11-08 Richard Henderson <rth@redhat.com>
1240 * flow.c (init_propagate_block_info): Protect the rtx stored in
1241 mem_set_list from modification by find_auto_inc.
1242 (mark_set_1): Likewise.
1244 2000-11-08 Neil Booth <neilb@earthling.net>
1246 Move directive handling into the lexer itself.
1248 * cpplex.c (_cpp_lex_token): Handle directives directly.
1249 In the case of a directive interrupting a function-like
1250 macro invocation, use extra_char since read_ahead is
1251 used to store the '#'. Return a CPP_EOF in this case.
1252 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
1253 (cpp_get_token): Don't handle directives here.
1254 * cpplib.h: Remove CPP_DHASH token type.
1256 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
1258 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
1259 formed using PRE_MODIFY too.
1261 2000-11-08 Mark Mitchell <mark@codesourcery.com>
1263 * c-tree.texi (VAR_DECL): Describe representation of GCC's
1264 extension for placing variables in particular registers.
1266 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
1267 unprototyped C functions with no parameters.
1269 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1271 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
1272 before passing to fprintf.
1274 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1276 * function.c (expand_function_start): Cast GET_MODE_SIZE to
1277 HOST_WIDE_INT before negating it.
1279 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1281 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
1282 passed in multiple non-contiguous locations.
1284 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1286 * README.gnat: Remove file.
1288 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
1290 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
1293 2000-11-07 Richard Henderson <rth@redhat.com>
1295 * dwarfout.c (INSN_LABEL_FMT): Remove.
1296 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1297 (dwarfout_label): Remove.
1298 * dwarfout.h: Remove it's prototype.
1299 * dwarf2out.c (INSN_LABEL_FMT): Remove.
1300 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1301 (dwarf2out_label): Remove.
1302 * dwarf2out.h: Remove it's prototype.
1303 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
1305 2000-11-07 Richard Henderson <rth@redhat.com>
1307 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
1308 search on the unwind region section.
1310 * config/ia64/ia64.md (movbi): Add r/r alternative.
1311 (cmovdi_internal_astep): Describe all combinations of register
1312 classes for sources & destinations; remove matching constraints.
1313 (cmovdi_internal): Likewise.
1315 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
1317 2000-11-07 Richard Henderson <rth@redhat.com>
1319 * c-lang.c (start_cdtor, finish_cdtor): New functions.
1320 (finish_file): Use them in building constructor/destructor functions.
1322 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
1323 LD_FINI_SWITCH): Move ...
1324 * config/alpha/osf.h: ... here.
1325 * config/alpha/alpha-interix.h: Don't undef them.
1327 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
1329 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
1330 included in libgcc.a.
1332 (dp-bit.c): Likewise.
1333 (fp-bit.c): Likewise.
1335 2000-11-07 Nick Clifton <nickc@redhat.com>
1337 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
1338 (INTERNAL_ASM_OP): Add missing tab.
1340 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1342 * alias.c (init_alias_analysis), calls.c (expand_call,
1343 emit_library_call_value_1), combine.c (init_reg_last_arrays),
1344 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
1345 (init_output_buffer, set_diagnostic_context), dwarf2out.c
1346 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
1347 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
1348 function.c (assign_parms), gcse.c (compute_can_copy,
1349 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
1350 compute_hash_table, compute_set_hash_table,
1351 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
1352 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
1353 clear_units, schedule_block), integrate.c (initialize_for_inline,
1354 expand_inline_function), jump.c (thread_jumps), local-alloc.c
1355 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
1356 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
1357 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
1358 record_reg_classes, allocate_reg_info), reload.c
1359 (get_secondary_mem, remove_address_replacements, find_reloads),
1360 reload1.c (reload, set_initial_label_offsets, finish_spills,
1361 reload_as_needed, choose_reload_regs_init,
1362 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
1363 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
1364 (rename_registers), stmt.c (expand_end_case), unroll.c
1365 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
1366 () instead of bzero ().
1368 2000-11-07 Neil Booth <neilb@earthling.net>
1370 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
1372 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1374 * c-common.c (combine_strings): Only warn about long strings for C.
1376 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
1378 * combine.c (distribute_notes): Fix typo in last change.
1380 2000-11-07 Geoff Keating <geoffk@redhat.com>
1382 * config/rs6000/rs6000.md (movdi_internal32+1): Use
1383 operand_subreg_force rather than gen_rtx_SUBREG.
1384 (movdi_internal32+2): Likewise.
1386 2000-11-07 Philip Blundell <philb@gnu.org>
1388 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
1389 * config/arm/linux-aout.h: Likewise.
1390 * configure: Regenerate.
1392 2000-11-07 Philipp Thomas <pthomas@suse.de>
1394 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
1395 accepted my the gettext maintainer.
1397 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1399 * builtins.c (expand_builtin_strpbrk): New function.
1400 (expand_builtin): Handle BUILT_IN_STRPBRK.
1402 * builtins.def (BUILT_IN_STRPBRK): New entry.
1404 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1407 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
1409 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
1410 * POTFILES.in: Add config/alpha/freebsd.h
1411 * configure.in: Add alpha*-freebsd support.
1412 * configure: Regenerate.
1414 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1416 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
1417 copy of ptr_type_node rather than ptr_type_node itself.
1419 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
1421 * combine.c (recog_for_combine): Allocate uninitialized vector with
1423 * recog.c (apply_change_group): Likewise.
1425 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
1427 * flow.c (verify_local_live_at_start): Back out last change.
1428 * combine.c (distribute_notes): When parts of a hard reg are
1429 neither set nor referenced in PLACE, search backwards for a
1430 place to put a REG_UNUSED note; if none found, ask for flow
1433 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
1435 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
1436 with (clobber (match_scratch...)).
1438 2000-11-06 Neil Booth <neilb@earthling.net>
1440 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
1443 2000-11-06 Neil Booth <neilb@earthling.net>
1445 * tradcpp.c (special_symbol): Assign an null string rather
1446 than writing to an unallocated buffer.
1448 2000-11-06 Neil Booth <neilb@earthling.net>
1450 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
1453 2000-11-06 Neil Booth <neilb@earthling.net>
1455 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
1456 tok.val.arg_no as appropriate.
1457 * cppexp.c (lex): Similarly.
1458 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
1459 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
1460 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
1461 cpp_macro_definition): Similarly.
1462 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
1464 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1466 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
1467 operands[1] is constant, calculate the sum and generate movdi.
1468 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
1469 (subsi3): Use SImode in call to arith_4096_operand.
1471 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1473 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
1474 adjust %o1, not %o0 if the return type is large structure.
1476 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1478 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
1479 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
1481 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
1483 * expmed.c (expand_divmod): For signed divide by 2, prefer
1484 a branch and fewer shifts if branches are very cheap.
1486 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
1488 * Makefile.in: Remove all targets related to building
1489 distributions and diffs, or INSTALL.
1490 * INSTALL, install1.texi: Remove.
1491 * configure.in: Remove mention of distdir.
1492 * configure: Regenerate.
1493 * objc/Make-lang.in: Remove mention of distdir.
1495 2000-11-04 Neil Booth <neilb@earthling.net>
1497 * cpp.texi: Update for _Pragma.
1499 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
1501 * gcc.texi (Contributing): Update URL for projects web page.
1503 2000-11-04 Neil Booth <neilb@earthling.net>
1505 * cpplex.c (parse_string): Don't allow multiline strings in
1506 #include family directives.
1508 2000-11-04 Neil Booth <neilb@earthling.net>
1510 * cpplib.c (do_line): Only warn pedantically if not reading
1513 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
1515 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
1518 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
1520 * builtins.c (expand_builtin_strlen): Remove unused mode
1522 * gcc.c (process_command): Remove unused variable.
1523 * fold-const.c: Include expr.h.
1524 * recog.c: Include reload.h.
1525 * Makefile.in (recog.o, fold-const.o): Update deps.
1527 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
1529 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
1531 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
1533 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
1535 (STARTFILE_SPEC): Likewise.
1536 (LINK_SPEC): Likewise.
1538 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1540 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
1541 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
1542 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
1544 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
1546 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
1547 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
1548 perm_calloc, get_identifier, maybe_get_identifier,
1549 real_value_from_int_cst, simple_cst_equal), varasm.c
1550 (assemble_name, assemble_real, immed_real_const_1,
1551 compare_constant_1, decode_rtx_const, output_constant_pool): Use
1552 strrchr () instead of rindex (). Use memcmp () instead of bcmp
1553 (). Use memcpy () instead of bcopy (). Use memset () instead of
1556 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
1558 * cppfiles.c (open_file): If already read, then don't reopen.
1559 Immediately close an empty file.
1561 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1563 * expr.h (fold_builtin): Move declaration...
1564 * tree.h (fold_builtin): ... here.
1566 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
1568 * flow.c (verify_local_live_at_start): Allow hard regs to die.
1570 2000-11-02 Neil Booth <neilb@earthling.net>
1573 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
1574 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
1575 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
1576 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
1577 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
1578 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
1579 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
1580 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
1581 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
1582 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
1583 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
1584 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
1585 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
1586 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
1587 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1588 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
1589 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
1590 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
1591 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
1592 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
1593 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
1594 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
1595 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
1596 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
1597 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
1598 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
1599 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
1600 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
1601 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
1602 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
1603 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
1604 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
1605 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
1606 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
1607 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
1608 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
1609 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
1610 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
1611 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
1612 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
1613 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
1614 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
1615 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
1616 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
1617 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
1618 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
1619 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
1620 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
1621 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
1622 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
1623 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
1624 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
1625 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
1626 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
1627 vax/vaxv.h, vax/vms.h, we32k/we32k.h
1629 Replace -A() with -A=, the new assertion syntax.
1631 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
1633 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
1635 In REG_DEAD handling: When handling parts of multi-hard-reg hard
1636 registers, increment the loop counter by the size of the parts;
1637 use recursion to handle individual parts.
1639 2000-11-02 Neil Booth <neilb@earthling.net>
1641 * configure.in: Make integrated CPP the default.
1642 * configure: Regenerate.
1644 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
1646 * reload.c (find_equiv_reg): Test all hard registers for membership
1647 in the requested class.
1649 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1651 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
1652 process_command, main), gcov.c (open_files, output_data), tlink.c
1653 (frob_extension, scan_linker_output), toplev.c
1654 (file_name_nondirectory): Use strchr () and strrchr () instead of
1655 index () and rindex ().
1657 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1659 * c-common.c (get_flag_spec, check_format_info_main,
1660 check_format_types): Use strchr () instead of index (). Compare
1661 against error_mark_node instead of comparing the TREE_CODE against
1664 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
1668 * c-lex.c (init_c_lex): Update cpp_start_read call.
1669 (cb_ident): Update for new callback prototype.
1670 (cb_def_pragma): Update for new cpp_get_token prototype.
1671 (c_lex): Similarly. Use cpp_get_line.
1673 * c-parse.in (finish_parse): Update for new cpp_finish
1676 * cp/lex.c (finish_parse): Similarly.
1678 2000-11-01 Geoff Keating <geoffk@cygnus.com>
1680 * machmode.def: Add V16QImode.
1682 2000-11-01 Richard Henderson <rth@redhat.com>
1684 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
1685 from rtl_for_decl_location.
1686 (add_location_or_const_value_attribute): Likewise.
1688 2000-11-01 Neil Booth <neilb@earthling.net>
1690 * cpplib.c (run_directive): Use correct line number for output
1691 of _Pragma. Remember any in-progress directive.
1693 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
1695 2000-11-01 Richard Henderson <rth@redhat.com>
1697 * stmt.c (expand_start_null_loop): Set continue_label.
1699 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1701 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
1702 (expand_builtin_constant_p): Move parts of the code into
1703 fold_builtin_constant_p.
1704 (expand_builtin_strlen): Move parts of the code into fold_builtin.
1705 * expr.h (fold_builtin): Declare.
1706 * fold-const.c (fold): Handle builtin calls.
1708 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
1710 2000-11-01 Richard Henderson <rth@redhat.com>
1712 * stmt.c (expand_start_null_loop): New.
1713 (expand_end_null_loop): New.
1714 * c-semantics.c (genrtl_do_stmt): Use them.
1715 * tree.h: Declare them.
1717 2000-11-01 Richard Henderson <rth@redhat.com>
1719 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
1721 2000-11-01 Neil Booth <neilb@earthling.net>
1723 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
1724 * cp/spew.c: Similarly.
1725 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
1726 * cppmacro.c (stringify_arg): Similarly.
1727 * cpplib.h (CPP_BACKSLASH): Delete.
1729 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1731 * builtins.c (expand_builtin_strstr): New function.
1732 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
1734 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
1736 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
1739 2000-10-31 Richard Henderson <rth@redhat.com>
1741 * config/i386/i386.c (fcmov_comparison_operator): Check for
1742 CCFPmode or CCFPUmode instead of CCmode.
1743 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
1744 unordered operations as well.
1746 2000-10-31 Richard Henderson <rth@redhat.com>
1748 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
1749 of integer_zero_node.
1751 2000-10-31 Richard Henderson <rth@redhat.com>
1753 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
1755 2000-10-31 Nick Clifton <nickc@redhat.com>
1757 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
1758 -fdata-sections to override the section attribute of a DECL.
1760 2000-10-31 Chris Demetriou <cgd@sibyte.com>
1762 * libgcc2.c (__shtab): Remove __shtab variable.
1763 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
1764 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
1767 2000-10-31 Jim Wilson <wilson@redhat.com>
1769 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
1770 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
1771 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
1772 instead of ASM_OUTPUT_INTERNAL_LABEL.
1773 (dwarf2out_end_block, dwarf2out_label): Likewise.
1774 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
1775 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
1777 2000-10-31 Richard Henderson <rth@redhat.com>
1779 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
1780 (size_of_locs): Set it.
1781 (output_loc_operands): Use it to compute branch displacement.
1782 (int_loc_descriptor): New.
1783 (mem_loc_descriptor): Dereference memory in the proper size.
1784 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
1785 (loc_descriptor_from_tree): New.
1786 (rtl_for_decl_location): Break out from ...
1787 (add_location_or_const_value_attribute): ... here.
1788 (add_bound_info): Use loc_descriptor_from_tree.
1790 2000-10-31 Neil Booth <neilb@earthling.net>
1792 * cpp.texi: Update for new command line assertion syntax.
1793 * cpplib.c (cpp_define): Simplify a bit.
1794 (cpp_assert, cpp_unassert): Use handle_assertion.
1795 (handle_assertion): New function; accept new command line
1797 * testsuite/gcc.dg/cpp/assert3.c: New tests.
1799 2000-10-31 Neil Booth <neilb@earthling.net>
1801 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
1802 undefined. Remove #ifdef check.
1803 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
1804 Define STDC_0_IN_SYSTEM_HEADERS to 1.
1806 2000-10-31 Jan Hubicka <jh@suse.cz>
1807 Jakub Jelinek <jakub@redhat.com>
1809 * config/i386/i386.h: Clarify CCNOmode description in comment.
1810 (EXTRA_CC_MODES): Remove CCRCmode.
1811 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
1812 (put_condition_code, ix86_match_ccmode): Likewise.
1813 (ix86_cc_mode): Likewise. Fix comment.
1814 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
1815 * config/i386/i386.md: Add unspec 12 description.
1816 (adddi3 split): Use unspec 12 instead of CCRCmode.
1817 (addsi3_carry_rc): Remove.
1818 (addsi3_cc, addqi3_cc): New patterns.
1819 (addsi_3): Swap operands, match CCZmode.
1820 (addsi_4): Rewritten.
1821 (addsi_5): Renamed from addsi_6.
1823 (addhi_3): Swap operands, match CCZmode.
1824 (addhi_4): Rewritten.
1825 (addhi_5): Renamed from addhi_6.
1827 (addqi_3): Swap operands, match CCZmode.
1828 (addqi_4): Rewritten.
1829 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
1830 (subsi3_carry_rc): Removed.
1831 (iorqi_3): Use =q constraint for clobber.
1832 (xorqi_cc_2): Likewise.
1833 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
1834 (x86_movsicc_0_m1_rc): Removed.
1835 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
1837 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
1839 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
1840 and decrement of complex types.
1842 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1844 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
1845 builtin fputs, ensure we still evaluate the stream in case it
1848 2000-10-31 Jakub Jelinek <jakub@redhat.com>
1850 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
1853 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
1855 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
1856 (fp_extended_operand, emit_fpscr_use): Likewise.
1857 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
1858 (fpul_operand): New function.
1859 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
1860 fp_extended_operand. Add fpul_operand.
1861 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
1862 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
1863 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
1864 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
1865 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
1866 (divdf3_i): Likewise.
1867 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
1868 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
1869 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
1870 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
1871 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
1873 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
1875 * config/i386/i386.c (ix86_init_builtins): Correct return type
1876 building v4hi_ftype_v4hi_int_int tree node.
1877 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
1878 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
1880 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
1882 (mmx__uavgv8qi3): Correct insn mnemonic.
1883 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
1884 (mmx_punpckhwd): Correct insn mnemonic.
1885 (mmx_punpckhdq): Likewise.
1886 (mmx_punpcklwd): Likewise.
1887 (mmx_punpckldq): Likewise.
1888 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
1889 Renumber case labels to match the _mm_prefetch constants defined in
1892 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
1893 if the splitter didn't emit new insns.
1894 Make sure we call cleanup_subreg_operands even when splitting the last
1895 insn in a basic block.
1897 * invoke.texi (Debugging Options): Describe -do.
1898 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
1899 (dump_file): Likewise.
1900 (rest_of_compilation): Split .greg dump into .greg and .postreload.
1902 2000-10-30 Neil Booth <neilb@earthling.net>
1904 * cppfiles.c (stack_include_file): Check for stacked contexts
1906 * cpphash.h (_cpp_do__Pragma): New prototype.
1907 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
1909 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
1910 escaped newlines if !(buffer->from_stage3).
1911 (_cpp_lex_token): Warn about missing newlines iff
1912 !buffer->from_stage3.
1914 * cpplib.c (get__Pragma_string, destringize,
1915 _cpp_do__Pragma): New functions.
1916 (run_directive): Set output_line for _Pragma to avoid line
1917 markers in output. Set from_stage3 and prevent macro expansion
1918 for _Pragma and command-line options. Check buffer exhaustion.
1919 (cpp_push_buffer): Don't check for stacked macro contexts, as
1920 this is perfectly legitimate for _Pragma. Move the check to
1921 stack_include_file instead. Set from_stage3 iff buffer is
1924 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
1925 unsigned. New boolean from_stage3.
1926 (struct spec_nodes): Add n__Pragma.
1928 * cppmacro.c (enter_macro_context): Flip sense of return value.
1929 (_cpp_get_token): Handle _Pragma operator.
1931 2000-10-30 Phil Edwards <pme@sources.redhat.com>
1933 * gcc.texi: The C++ standard isn't "draft" anymore.
1935 2000-10-30 Mark Mitchell <mark@codesourcery.com>
1937 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
1939 2000-10-29 Neil Booth <neilb@earthling.net>
1941 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
1943 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
1945 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
1946 fixinc/inclhack.def: Change comments mentioning C9X to refer to
1949 * invoke.texi: Document that -V will only work for very similar
1950 versions of driver and compiler.
1952 2000-10-29 Neil Booth <neilb@earthling.net>
1954 * cppmacro.c (_cpp_create_definition): Optimize the case of
1955 a macro defined to itself.
1957 2000-10-29 Neil Booth <neilb@earthling.net>
1959 * cpplex.c (save_comment): Don't store new lines in C++ comments.
1961 2000-10-29 Michael Hayes <mhayes@redhat.com>
1963 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
1965 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
1967 * cpphash.c (cpp_forall_identifiers): Add context variable
1968 for callback routine.
1969 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
1971 (main): Call cpp_forall_identifiers with null context.
1972 * cpplib.h (cpp_forall_identifiers): Update prototype.
1974 * cppmain.c: Make `parse_in' and `print' static.
1976 2000-10-28 Alan Modra <alan@linuxcare.com.au>
1978 * c-decl.c (finish_function): Clear c_function_name_declared_p.
1980 2000-10-28 Richard Henderson <rth@redhat.com>
1982 * regrename.c (scan_rtx_address): Frob action, not class,
1983 when trying to disable optimization.
1985 2000-10-28 Mark Mitchell <mark@codesourcery.com>
1987 * c-semantics.c (make_rtl_for_local_static): Don't clobber
1988 DECL_ASSEMBLER_NAME.
1990 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
1992 * configure.in: Determine and substitute gcc_version_full.
1993 * configure: Regenerate.
1994 * gccbug.in: Use it to give full version. Don't allow
1997 2000-10-28 Richard Henderson <rth@redhat.com>
1999 * recog.c (split_all_insns): Run cleanup_subreg_operands
2002 * regrename.c (regrename_optimize): Verify that all registers of
2003 a multiple register mode are available.
2004 (scan_rtx_address): Accept the mode of the address; all callers
2007 * cpplib.c (run_directive): Fix prototype.
2009 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
2011 * reload.c (find_reloads): Distinguish "wins" so that we know whether
2012 a given operand won because of a matching constraint or not; then use
2013 that information to compute goal_alternative_matched properly.
2014 * reload1.c (choose_reload_regs): Never set reload_override_in for an
2017 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
2018 accurate value for MULT.
2019 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
2020 2% or > 98% before using static branch prediction bits.
2022 2000-10-28 Neil Booth <neilb@earthling.net>
2026 * cpplib.c (struct answer): New.
2027 (struct if_stack): Use cpp_lexer_pos rather than line and col.
2028 Rename cmacro mi_cmacro.
2029 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
2030 IN_I): New directive and flags.
2031 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
2032 parse_answer, parse_assertion, find_answer): New functions.
2033 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
2034 (lex_macro_node): New function to replace parse_ifdef and
2037 (_cpp_handle_directive): New function, combines _cpp_check_directive
2038 and _cpp_check_linemarker.
2040 (do_define, do_undef, parse_include, do_include, do_import,
2041 do_include_next, read_line_number, do_line, do_ident, do_pragma,
2042 do_pragma_once, do_pragma_poison, do_pragma_dependency):
2043 Update for new token getting interface.
2045 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
2046 : Update for new multiple-include optimisation technique.
2047 (do_elif): Don't forget to invalidate controlling macros.
2049 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
2050 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
2051 Functions to handle assertions with the new token interface.
2052 (do_assert, do_unassert): Use them.
2054 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
2057 (_cpp_init_stacks): Register directive names. Don't register special
2060 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
2061 new position recording regime.
2062 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2063 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
2064 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
2065 (cpp_type2name): Move to cpplex.c.
2067 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
2068 (parse_defined): Update to handle new multiple include optimisation
2069 method. Remove poisoned identifier warning.
2070 (parse_assertion, TYPE_NAME): Delete.
2071 (lex): Update for multiple include optimisation, removal of
2072 CPP_DEFINED, to use _cpp_test_assertion for assertions and
2074 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
2075 (op_as_text): New function, to wrap cpp_token_as_text.
2077 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
2078 Update for MI optimisation.
2079 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
2080 segfault on diagnostic.
2081 (_cpp_compare_file_date): Take a token rather than 3 args.
2082 (cpp_read_file): Work correctly for zero-length files.
2084 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2085 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2086 (cpp_lookup): Place identifiers at front of identifier pool
2087 for _cpp_lookup_with_hash.
2088 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2089 the identifier pool. Commit the memory if not already in the
2092 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2093 Initialise various members of cpp_reader, memory pools, and the
2095 (cpp_printer_init): Delete.
2096 (cpp_cleanup): Update.
2097 (struct builtin, builtin_array, initialize_builtins): Update for new
2098 hashnode definition and builtin handling.
2099 (cpp_start_read, cpp_finish): Don't take or initialise a
2102 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
2103 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
2104 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
2105 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
2106 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
2107 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
2108 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
2109 struct toklist, struct cpp_context, struct specnodes,
2110 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
2111 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
2112 enum builtin_type, cpp_can_paste): New.
2113 (struct cpp_token): Delete line and col members.
2114 (struct cpp_buffer): New member output_lineno.
2115 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
2116 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
2117 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
2118 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
2119 base_context, context, directive, mi_state, mi_if_not_defined,
2120 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
2121 mlstring_pos, macro_buffer, macro_buffer_len.
2122 Delete members mls_line, mls_column, token_list, potential_control_macro,
2123 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
2124 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
2125 save_parameter_spellings, need_newline, .
2126 Change type of date, time and spec_nodes members.
2127 Change prototypes for include and ident callbacks.
2128 (struct cpp_hashnode): Change type of name. Remove union members
2129 expansion and code. Add members macro, operator and builtin.
2131 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
2132 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
2133 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
2134 cpp_stop_lookahead): New prototypes.
2135 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
2137 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
2138 Move from cpphash.h.
2140 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
2141 ufputs): Move to cpplib.h.
2142 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
2143 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
2144 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
2145 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
2146 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
2147 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
2148 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
2149 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
2150 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
2151 _cpp_parse_assertion, _cpp_find_answer): Delete.
2152 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
2153 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
2154 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
2155 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
2156 _cpp_handle_directive, DSC): New.
2157 (struct include_file): New member defined.
2159 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
2160 _cpp_compare_file_date): Update.
2161 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
2162 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
2163 _cpp_cleanup_hashtable.
2165 * Makefile.in: Remove cppoutput.c.
2167 * cppoutput.c: Delete
2169 * fixheader.c (read_scan_file): Update for new cpp_get_token
2171 (recognized_function): New argument LINE.
2173 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
2174 new cpp_get_token prototype.
2176 * scan.h (recognized_function): Update prototype.
2178 * po/POTFILES.in: Remove cppoutput.c.
2180 2000-10-27 Mark Mitchell <mark@codesourcery.com>
2182 * c-typeck.c (check_init_type_bitfields): Remove.
2183 (constructor_incremental): Likewise.
2184 (struct constructor_stack): Remove incremental bit.
2185 (struct initializer_stack): Likewise.
2186 (start_init): Don't play with constructor_incremental.
2187 (finish_init): Likewise.
2188 (really_start_incremental_init): Likewise.
2189 (push_init_level): Likewise.
2190 (pop_init_level): Likewise.
2191 (output_init_level): Likewise.
2192 (output_pending_init_elements): Likewise.
2194 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
2196 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
2197 Improve error messages. Correct parsing of
2198 #pragma pack(pop [,id]). Do not check the user-supplied
2199 alignment if we're popping.
2201 * gcc.dg/pack-test-1.c: New test case.
2202 * gcc.dg/pack-test-2.c: New test case.
2203 * gcc.dg/pack-test-1.h: New file.
2205 2000-10-27 Neil Booth <neilb@earthling.net>
2209 2000-10-27 Kelley Cook <kelley.cook@home.com>
2211 * invoke.texi: Document -mintel-syntax
2213 2000-10-27 Richard Henderson <rth@redhat.com>
2215 * invoke.texi: Document -frename-registers. Add it to -O3.
2216 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
2217 (enum dump_file_index, dump_file): Update order.
2218 (main): Set flag_rename_registers at -O3.
2220 2000-10-27 Richard Henderson <rth@redhat.com>
2222 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
2223 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
2224 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
2225 * config/alpha/alpha.md (call_osf_1): Use it.
2226 (call_value_osf_1): Likewise.
2228 * config/ia64/ia64.c: Revert 10-23 patch.
2229 (ia64_hard_regno_rename_ok): New.
2230 * config/ia64/ia64-protos.h: Declare it.
2231 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
2233 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
2234 Richard Henderson <rth@redhat.com>
2236 * regrename.c: Rewrite to handle multi-register modes and
2237 cond_exec instructions.
2238 * Makefile.in (regrename.o): Update dependancies.
2239 * recog.h (struct operand_alternative): Add is_address.
2240 * recog.c (preprocess_constraints) [case 'p']: Set it.
2242 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
2244 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
2245 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
2246 top level. Kill oldstyle_subdirs. Do not include
2247 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
2248 $outputs. Do not run configure.lang from config.status.
2249 Rearrange warning-flag logic to correspond to what the
2250 makefile wants. Put special vax stage1 options in
2251 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
2252 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
2253 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
2254 switch is given, nothing otherwise.
2255 * configure.lang: Delete.
2257 * Makefile.in: Expunge all traces of extra_c_objs,
2258 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
2259 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
2260 warning options via a three level scheme so that -pedantic and
2261 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
2262 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
2263 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
2264 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
2265 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
2266 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
2267 generation rules. Wrap all rules that change the current
2268 directory in parentheses; pmake doesn't spawn a new shell for
2269 each command. Expunge all references to $(P). When one
2270 command depends on another and they're run all at once, use &&
2271 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
2272 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
2275 * objc/Make-lang.in: Wrap all rules that change the current
2276 directory in parentheses. Expunge all references to $(P).
2277 When one command depends on another and they're run all at
2278 once, use && to separate them, not ;. Add OUTPUT_OPTION to
2279 all object-file generation rules. Delete obsolete variables.
2280 * objc/Makefile.in: Delete.
2282 2000-10-27 Jakub Jelinek <jakub@redhat.com>
2284 * calls.c (expand_call): If sibcall_failure is set during pass 1,
2285 clear tail_call_insns as well.
2287 2000-10-27 Nick Clifton <nickc@redhat.com>
2289 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
2292 2000-10-26 Richard Henderson <rth@redhat.com>
2294 * calls.c (expand_call): Supress sibcall if we have a
2295 BLKmode return in registers.
2297 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
2299 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
2302 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
2304 * tree.c (make_node, case 't'): Set alignment to that of
2306 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
2308 2000-10-25 Mark Mitchell <mark@codesourcery.com>
2310 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
2311 * configure.in (enable-libstdcxx-v3): Arrange to have
2312 HAVE_LIBSTDCXX_V3 substituted into the output files.
2314 2000-10-25 Richard Henderson <rth@redhat.com>
2316 * recog.c (constrain_operands): Initialize which_alternative
2317 before no alternatives early exit.
2319 * cse.c (find_comparison_args): Check that we can reverse a
2320 comparison if needed before accepting the substitution.
2322 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
2324 * simplify-rtx.c (simplify_relational_operation): Sign extend
2325 low words before sign extending to high words.
2327 2000-10-25 Nick Clifton <nickc@redhat.com>
2329 * config/mcore/mcore.c: Include config.h before system.h.
2331 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
2333 * config/mcore/mcore.md (return): Force function epilogue to
2334 always be generated to work around epilogue suppression bug in
2337 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
2339 * c-decl.c (grokdeclarator): Move warning for qualified void
2340 return types with -pedantic to when the function type is
2341 constructed. At -W, warn in general for qualified function return
2342 types, except for volatile void.
2343 * invoke.texi: Document this new warning at -W.
2345 2000-10-25 Neil Booth <neilb@earthling.net>
2347 * cpp.texi: Update with implementation-defined behavior and
2350 2000-10-25 Jakub Jelinek <jakub@redhat.com>
2352 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
2353 incomplete type force it into alias set 0.
2355 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
2357 * alias.c: Include basic-block.h.
2358 (loop_p): New function.
2359 (mark_constant_function): Use it.
2360 * Makefile.in (alias.o): Update dependencies.
2362 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2364 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
2367 2000-10-24 Jim Wilson <wilson@cygnus.com>
2369 * expmed.c (store_bit_field): Move integer pun code down after
2370 code that calls emit_move_insn for entire register move.
2371 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
2372 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
2374 2000-10-24 Richard Henderson <rth@cygnus.com>
2376 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
2377 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
2379 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2381 * gcse.c (cprop_insn): do not propagate constants into jump_insn
2382 for machines with CC0 more than once.
2384 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
2386 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
2387 pseudos just like memory.
2389 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
2391 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
2392 when deleting libcall sequence collapsed to a single instruction.
2394 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
2396 * expr.c (do_store_flag): Don't crash if either side of a
2397 comparison is error_mark_node.
2399 2000-10-24 Jakub Jelinek <jakub@redhat.com>
2401 * sibcall.c (purge_mem_unchanging_flag): New function.
2402 (optimize_sibling_and_tail_recursive_calls): Call it.
2404 2000-10-24 Philipp Thomas <pthomas@suse.de>
2406 * Makefile.in (check-po): New target for doing checks in the po
2407 subdir if all languages configured.
2408 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
2409 configure if NLS is enabled.
2410 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
2411 otherwise leave empty.
2412 * configure: Regenerate.
2414 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2416 * i386.c (print_operand): Handle new 'A' formatting code.
2417 387 opcodes need suffixes even with -mintel-syntax.
2418 Check for explicit size override (codes 'b', 'w' and 'k').
2419 (print_operand_address): Check if register prefix is needed when
2420 emitting `ds' segment override.
2421 * i386.h: Add comment about new 'A' formatting code.
2422 * i386.md (jump and call patterns): Emit absolute references using %A.
2424 2000-10-23 Richard Henderson <rth@cygnus.com>
2426 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
2427 output registers as fixed.
2428 (ia64_function_epilogue): Undo output fixation.
2430 2000-10-23 Richard Henderson <rth@cygnus.com>
2432 * config/alpha/alpha.md: Add names for all unnamed insns; use
2433 define_insn_and_split in some obvious places.
2435 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
2436 (zero_extendqisi2, zero_extendqidi2): Likewise.
2437 (zero_extendhisi2, zero_extendhidi2): Likewise.
2438 (abs splitters): Fix match_scratch operand number.
2439 (bcc_reverse): Swap pc & label instead of non-canonical compare.
2441 2000-10-23 Jim Wilson <wilson@cygnus.com>
2443 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
2445 * ia64.md (cmpsi_adjusted): Use %r3.
2446 (cmpdi_adjusted): Likewise.
2448 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2450 * config/i386/att.h (ASM_FILE_START): Define.
2452 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2454 * config/i386/linux.h (ASM_FILE_START): Define.
2456 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
2458 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
2459 since this (only) drags in a crt0.o reference that the .ld files
2462 2000-10-23 Geoff Keating <geoffk@cygnus.com>
2464 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
2465 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
2466 reloads just like an RELOAD_FOR_OUTPUT would.
2468 * local-alloc.c (update_equiv_regs): Add an abort(). When
2469 deleting or moving insns, update reg_equiv[regno].init_insns.
2471 2000-10-23 Mark Mitchell <mark@codesourcery.com>
2473 * c-tree.texi: Improve documentation for IF_STMTs and related
2474 conditional statements.
2476 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2478 * expr.c (do_preexpand_calls): Remove.
2479 (same_from_p): Don't use CALL_EXPR_RTL.
2480 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
2481 (preexpand_calls): Remove.
2482 * tree.c (first_rtl_op): Remove CALL_EXPR case.
2483 (unsave_expr_1): Likewise.
2484 * tree.def (CALL_EXPR): Give it only two slots.
2485 * tree.h (CALL_EXPR_RTL): Remove.
2487 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
2489 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
2490 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2493 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
2495 * calls.c (combine_pending_stack_adjustment_and_call): Don't
2496 adjust stack when unadjusted_alignment ends up as zero.
2498 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
2500 * fixinc/genfixes: Remove EGCS reference.
2501 * install.texi: Remove EGCS reference.
2502 * INSTALL: Regenerate.
2504 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2506 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
2508 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
2510 * diagnostic.c: Remove EGCS reference in comment.
2512 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2514 * loop.c (strength_reduce): Fix error in last change.
2516 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2518 * Makefile.in (SHLIB_NM_FLAGS): New.
2519 (libgcc.mk): Pass it.
2520 * mklibgcc.in (libgcc.map): Use it.
2522 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
2523 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
2525 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2527 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
2529 * sparc.c (load_pic_register): Delete unused varaible.
2531 * libgcc2.c (__addvsi3): Delete unused variable.
2533 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
2534 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
2535 __negvdi2): Prototype.
2537 * ssa.c (apply_delayed_renames): Avoid undefined operation.
2539 * toplev.c (display_target_options): Make static to match
2540 prototype. Delete empty declaration.
2542 2000-10-20 Tom Tromey <tromey@cygnus.com>
2544 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2545 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2547 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2549 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
2551 (expand_expr_unaligned, case ARRAY_REF): Check that index is
2552 a constant before comparing it; use tree_low_cst.
2553 * tree.c (save_expr): Set TREE_READONLY.
2554 (substitute_expr): Return inside of NON_LVALUE_EXPR.
2555 (build, build1): Set TREE_READONLY if all operands are.
2556 (build_index_type): If upper bound is a negative number, lower
2557 bound is zero and sizetype is unsigned, use upper bound of one and
2560 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2562 * gcc.c (process_command, main): Use "because" instead of
2563 "since" in error messages.
2565 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2567 * stor-layout.c (compute_record_mode): Use tree_low_cst.
2568 Don't use mode of field for record unless sizes are the same.
2569 (layout_type, case ARRAY_TYPE): Remove special bounds handling
2570 previously added for Ada; also change to using host_integerp
2573 * loop.c (strength_reduce): Show when new register made for
2574 giv is known to be a pointer and its aligment if so and known.
2575 (loop_dump_aux): Show VERBOSE parameter unused.
2577 * gcse.c (set_hash_table_size): Now unsigned.
2578 * sdbout.c (template_name_p): Add "const" to avoid warnings.
2579 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
2580 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
2581 (sdbout_end_epilogue): Remove variable NAME.
2582 * system.h (getopt): Add default definition.
2583 * config/alpha/alpha.c (print_operand): Don't continue processing
2584 after issuing error.
2585 (summarize_insn): Avoid use of UL in constant.
2587 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
2589 * fold-const.c (force_fit_type): Unsigned values can overflow
2590 if they are sizetype.
2591 (int_const_binop): Don't use cache if overflows.
2593 2000-10-20 Richard Henderson <rth@cygnus.com>
2595 * function.c (locate_and_pad_parm): Zero alignment_pad.
2597 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
2598 perform substitutions, and apply_change_group to see if it worked.
2600 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2602 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
2604 * combine.c (struct undo): Change int to unsigned int.
2605 (do_SUBST_INT): Args are unsigned int.
2606 (make_extraction, force_to_mode): Use proper type when forming mask.
2607 (make_field_assignment): Likewise.
2609 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
2611 * c-common.c (check_format_info_recurse): Extract string constant
2612 initializers from non-volatile constant arrays and check them as
2614 * c-typeck.c (decl_constant_value): Don't check pedantic or check
2615 for DECL_MODE (decl) != BLKmode.
2616 (decl_constant_value_for_broken_optimization): New function which
2617 includes these checks.
2618 (default_conversion, convert_for_assignment, digest_init): Use
2619 decl_constant_value_for_broken_optimization instead of
2620 decl_constant_value.
2622 2000-10-20 Mark Mitchell <mark@codesourcery.com>
2624 * tree.h (DECL_ALIGN_UNIT): New macro.
2626 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
2628 * config/avr/avr-protos.h (avr_output_bld): New.
2629 (out_shift_with_cnt): Add t_len argument.
2630 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
2631 (output_movqi, output_movhi, output_movsisf): Optimize loading
2632 any constant with exactly one bit set to NO_LD_REGS.
2633 (out_shift_with_cnt): Optimize output code for size or speed,
2634 depending on optimize_size. Handle small shift counts as well
2635 (if not hand-optimized in ?sh??i3_out). Shifts can be done
2636 with or without a scratch register, with help of __tmp_reg__
2637 or __zero_reg__ if necessary. Add T_LEN argument to pass the
2638 length of TEMPLATE in words, return total insn length in *LEN.
2639 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
2640 out_shift_with_cnt to work with the above change.
2641 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
2642 lshrsi3_out): Likewise. Optimize more known shift count cases.
2643 Remove cases already well optimized in out_shift_with_cnt.
2644 (avr_output_bld): New function.
2645 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
2646 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
2647 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
2648 Add reload_completed to insn condition - only for peepholes.
2649 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
2650 in a register or memory.
2651 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
2652 Do not require a scratch register.
2653 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
2654 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
2655 Optimize shifts by known count using a scratch register, but only
2656 if one is still available after register allocation.
2658 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2660 * t-vax: New file. Don't build modules from libgcc1.c.
2662 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
2664 * alias.c: (mark_constant_function): Don't check pure functions.
2665 Initialize and end alias analysis.
2666 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
2667 Don't make a special exception for recursion. Handle
2668 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
2669 unless it's volatile.
2671 * local-alloc.c (equivalence): New structure.
2672 (reg_equiv): Define.
2673 (contains_replace_regs): Remove array and use
2675 (memref_referenced_p): Likewise.
2676 (no_equiv): Likewise.
2677 (update_equiv_regs): Likewise.
2679 (equiv_init_varies_p,
2680 equiv_init_movable_p): New functions.
2681 (update_equiv_regs): Use them. Use rtx_varies_p
2682 instead of function_invariant_p. Process insns
2683 from end to beginning. Allow a REG_EQUIV insn
2684 within the same loop as a use to be moved, also
2685 allow it to be moved out of a loop. Update
2686 REG_DEAD notes when substituting into an insn.
2688 2000-10-19 Jim Wilson <wilson@cygnus.com>
2690 * c-decl.c (start_decl): Check for error_mark_node type before using
2692 (finish_decl): Likewise. Don't give an error if decl type is
2693 already error_mark_node.
2695 * haifa-sched.c (compute_trg_info): Add explanatory comments.
2696 New local update_blocks. Use update_blocks to remove duplicates
2697 when computing update blocks. Check for bblst_table overflow.
2698 (schedule_block): Add explanatory comment. Reduce bblst_size by
2700 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
2703 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2705 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
2707 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2709 * expmed.c: Minor corrections in comments.
2710 * invoke.texi: Added desciption for the new option -ftrapv.
2712 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2714 * libgcc2.c: Added the missing #endif.
2716 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2718 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
2720 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
2722 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
2723 Use smulv_optab for -ftrapv.
2724 (expand_mult_highpart): Use unsigned multiply.
2725 (expand_divmod): Special-case division by -1.
2726 For EXACT_DIV_EXPR, do right shift first, then the multiply.
2727 For complex divide, use abs with unsigned result.
2728 * expr.c (force_operand): Use unsigned multiply.
2729 (expand_expr): Use overflow-trapping optabs for signed types if
2731 If flag_trapv, don't generate a recursive call with EXPAND_SUM
2732 if the type is signed and the original call wasn't EXPAND_SUM or
2734 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
2735 (negv_optab, absv_optab): Declare.
2736 * flags.h (flag_trapv): Declare.
2737 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
2738 smulv_optab, sdivv_optab, negv_optab and absv_optab.
2739 (gen_insn): Interpret '$P' as requiring an integer mode,
2740 including partial integer modes.
2741 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
2742 (product_cheap_p): Use unsigned expand_mult.
2743 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
2744 (negv_optab, absv_optab): Define.
2745 (expand_binop): Use overflow-trapping optabs for signed types if
2747 Handle negv_optab libe neg_optab.
2748 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
2749 Use overflow-trapping optabs for signed result if flag_trapv.
2750 (expand_complex_abs): Use overflow-trapping optabs for signed types if
2752 Don't open-code complex absolute-value operation for flag_trapv.
2753 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
2754 sdivv_optab, negv_optab and absv_optab.
2755 * toplev.c (flag_trapv): Define.
2756 (lang_independent_options f_options): Include flag_trapv.
2757 * tree.h (TYPE_TRAP_SIGNED): Define.
2758 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
2759 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2761 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
2762 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
2764 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
2765 David V. Henkel-Wallace <gumby@cygnus.com>
2767 * config/i386/t-netware: Bring in from the Red Hat tree.
2768 * config/i386/netware.h: Likewise.
2769 * config/netware.h: Likewise.
2770 * config/rs6000/netware.h: Delete.
2771 * configure.in: Add i[34567]86-*-netware.
2772 * configure: Hand-edit to match configure.in change.
2774 2000-10-18 Mark Mitchell <mark@codesourcery.com>
2776 * c-common.h (flag_no_builtin): Declare.
2777 (flag_no_nonansi_builtin): Likewise.
2778 (c_common_nodes_and_builtins): Change prototype.
2779 * c-common.c (flag_no_builtin): New variable.
2780 (flag_no_nonansi_builtin): Likewise.
2781 (c_common_nodes_and_builtins): Remove parameters. Adjust
2783 * c-decl.c (flag_no_builtin): Remove.
2784 (flag_no_nonansi_builtin): Likewise.
2785 (init_decl_processing): Adjust call to
2786 c_common_nodes_and_builtins.
2788 2000-10-18 Marc Espie <espie@openbsd.org>
2790 * tm.texi (LIBGCC_SPEC): Synch with reality.
2792 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2794 * c-common.c (check_format_types): Check for writing through a
2795 NULL pointer argument.
2797 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
2799 * tm.texi (Exception Region Output): Document
2800 DWARF_CIE_DATA_ALIGNMENT.
2801 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
2803 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
2804 DWARF_CIE_DATA_ALIGNMENT.
2806 2000-10-18 Michael Hayes <mhayes@cygnus.com>
2808 * basic-block.h (struct loop): Delete fields pre_header_root
2809 and pre_header_trace and replace with pre_header_edges
2810 and num_pre_header_edges.
2811 * flow.c (flow_loop_dump): Dump pre_header_edges.
2812 (flow_loops_free): Free pre_header_edges.
2813 (flow_loop_pre_header_scan): Calculate pre_header_edges.
2815 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2817 * contrib.texi: Update references to steering committee members
2818 and Jeff Law's entry.
2820 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2822 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
2823 (maybe_read_dollar_number, check_format_info_main): Use them for
2824 pedantic warning messages.
2826 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2828 * c-common.c (check_format_info_main): Minor cleanup: move
2829 variables into inner scopes; initialize declarations where
2830 appropriate; don't hardcode "scanf" name on warning for zero
2833 2000-10-17 Mark Mitchell <mark@codesourcery.com>
2835 * c-common.c (back_end_hook): New variable.
2836 * c-common.h (back_end_hook): Declare it.
2837 * c-lang.c (finish_file): Use it.
2839 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
2842 2000-10-18 Jan Hubicka <jh@suse.cz>
2844 * i386.c (ix86_comparison_operator, put_condition_code,
2845 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
2846 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
2847 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
2848 * i386.md (adddi and negdi splitter): Use CCRCmode.
2849 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
2850 (subsi3_carry): add '*'
2851 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
2852 (cmp to add peep2): Use CCRCmode; swap operands.
2854 2000-10-18 Kazu Hirata <kazu@hxi.com>
2856 * h8300.c: Fix a comment typo.
2857 (round_frame_size): New.
2858 (compute_saved_regs): Likewise.
2861 (push_order): Remove.
2862 (pop_order): Likewise.
2863 (function_prologue): Rearrange code for readability.
2864 (function_epilogue): Likewise.
2866 * config/h8300/h8300.md: Remove an unnecessary sign_extend
2867 expander that is used when not optimizing. Output a tab after
2868 each assembly insns.
2870 * reorg.c: Fix formatting.
2872 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
2874 * reload1.c (move2add_note_store): Check for simple
2875 auto-inc in destination.
2877 2000-10-17 Michael Chastain <chastain@redhat.com>
2879 * config/i386/i386-aout.h: define INT_ASM_OP.
2881 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
2883 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
2885 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
2887 * i370.md: Fix spelling typo.
2889 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2891 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
2892 Fixes execute/20001017-1.c on powerpc-linux-gnu.
2894 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
2895 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
2898 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
2899 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
2901 * rs6000/aix.h: ...to here.
2902 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
2904 2000-10-17 Jakub Jelinek <jakub@redhat.com>
2906 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
2908 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
2909 sure linker can relax even the delay slot mov %g1,%o7, fix output
2912 2000-10-17 Kazu Hirata <kazu@hxi.com>
2914 * config/h8300/h8300.md: Remove an unnecessary zero_extend
2915 expander that is used when not optimizing. Output a tab after
2916 each assembly insns.
2918 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
2920 * gcc.c: New options --target-help.
2921 (process_command): Added code to parse this new option.
2922 * toplev.c (display_target_options): New function to support the
2924 * cppinit.c (new_pending_directive) : New option OPT_target__help.
2925 (cpp_handle_option): Support this new option.
2926 * invoke.texi: Added notes about --target-help option.
2928 2000-10-17 Graham Stott <grahams@redhat.com>
2930 * config/i386/i386.md (testqi_1): Add missing operand prefix
2932 * config/i386/i386-protos.h: Add missing prototype.
2934 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
2936 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
2937 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
2938 using -mintel-syntax.
2940 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
2942 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
2943 (format_types): Use it for printf.
2944 (maybe_read_dollar_number): Add parameter for the kind of format
2945 involved. Warn for multiple use for arguments if this is
2946 inappropriate for the kind of format involved.
2947 (check_format_info_main): Update calls to maybe_read_dollar_number.
2949 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2951 * inclhack.def (hpux_maxint): Also apply fix to values.h.
2952 * fixincl.x: Rebuilt.
2954 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
2956 * genrecog.c (write_switch): Return the first condition that needs a
2959 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
2961 * c-tree.h (warn_sequence_point): Move declaration to...
2962 * c-common.h (warn_sequence_point): ... here.
2963 * c-decl.c (warn_sequence_point): Move definition to...
2964 * c-common.c (warn_sequence_point): ... here.
2965 (struct reverse_tree): New.
2966 (reverse_list, reverse_max_depth): New static variables.
2967 (build_reverse_tree, common_ancestor, modify_ok
2968 verify_sequence_points): New functions.
2969 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
2970 * c-typeck.c (check_modify_expr): Delete.
2971 (build_modify_expr): Don't call it.
2973 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
2975 * c-common.h (warn_missing_format_attribute): New variable.
2976 * c-decl.c (warn_missing_format_attribute): New variable.
2977 (c_decode_option): Decode -Wmissing-format-attribute and
2978 -Wno-missing-format-attribute.
2979 * c-common.c (check_function_format): If
2980 -Wmissing-format-attribute, give a warning where a vprintf or
2981 vscanf function is called by a function without its own printf or
2983 * toplev.c (documented_lang_options): Add
2984 -Wmissing-format-attribute.
2985 * invoke.texi: Document -Wmissing-format-attribute.
2987 2000-10-17 Marc Espie <espie@openbsd.org>
2989 * invoke.texi (-shared): Insist on requiring code generation flags
2990 to be used along with -shared, and document the subtle failure that
2991 may occur otherwise.
2993 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2995 * pa.md (return_internal): Move `use' after `return'.
2997 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2999 * machmode.def: Correct comment.
3001 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
3003 * print-rtl.c (print_rtx_head): Constify.
3004 * rtl.h (print_rtx_head): Similarly.
3006 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
3007 Constify char * return value.
3009 (output_64bit_and, output_64bit_ior): Constify char * return value.
3010 (pa_can_combine_p): Make static.
3011 (function_arg): Decorate unused `named' argument. Fix comment typo.
3012 (function_arg_partial_nregs): Decorate unused `named' argument.
3014 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
3016 * c-common.c (format_check_results): New structure.
3017 (finish_dollar_format_checking): Adjust to take a
3018 format_check_results * parameter.
3019 (check_format_info, check_format_info_recurse,
3020 check_format_info_main): Split check_format_info into three
3021 functions, the main checking going in check_format_info_main.
3022 Recurse when any reduction of the format string argument towards a
3023 string literal is done; go down both branches of a conditional
3024 expression. Don't warn for extra format arguments or empty format
3025 strings if they only occur in some branches of a conditional
3028 2000-10-16 Kazu Hirata <kazu@hxi.com>
3030 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
3032 2000-10-16 Jakub Jelinek <jakub@redhat.com>
3034 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
3036 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
3038 * i386.md (*movsi_or): Switch operand order for intel syntax.
3040 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
3044 * gcc.texi (Contributing): Update.
3046 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
3048 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
3049 appropriate assembler dialect.
3051 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
3053 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
3055 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
3057 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
3058 constants 1 and 2 to NO_LD_REGS.
3060 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3062 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
3064 * objc/Make-lang.in (objc-parse.c): Likewise.
3066 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3068 * arm.c: Include obstack.h
3069 (minipool_obstack, minipool_startobj): Define.
3070 (arm_add_gc_roots): Initialize them.
3071 (create_fix_barrier): Use our new obstack.
3072 (push_minipool_barrier, push_minipool_fix): Likewise.
3073 (arm_reorg): Release obstack memory.
3075 2000-10-13 Jakub Jelinek <jakub@redhat.com>
3077 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
3078 (prologue, exception_receiver, builtin_setjmp_receiver): New
3080 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
3081 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3082 (load_pic_register): New prototype.
3083 * config/sparc/sparc.c (pic_setup_code): Remove.
3084 (finalize_pic): Rename to...
3085 (load_pic_register): ...this function.
3086 Don't look for nonlocal_goto_receivers and emit pic setup code
3087 directly. Don't check current_function_uses_pic_offset_table.
3089 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3091 * tree.h (struct obstack): Declare.
3093 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3096 * Makefile.in (ggc-callbacks.o): Remove target.
3097 (flow.o): Depend on GGC_H.
3098 * alias.c (init_alias_analysis):
3099 Remove ggc_p conditionals.
3100 (end_alias_analysis): Likewise.
3101 * basic-block.h (init_flow): New function.
3102 (allocate_reg_life_data): Declare.
3103 * bb-reorder.c (function_obstack): Replace with ...
3104 (flow_obstack): ... new variable.
3105 (fixup_reorder_chain): Use it.
3106 * c-decl.c (ggc_p): Remove.
3107 (caller-save.c): Don't call oballoc/obfree.
3109 undobuf): Remove storage.
3110 (try_combine): Don't call oballoc.
3111 (undo_all): Don't call obfree.
3112 * cse.c (insert): Use xmalloc, not
3114 (cse_main): Adjust accordingly.
3115 * dwarf2out.c (save_rtx): Remove
3117 (dwarf2out_init): Remove ggc_p conditionals.
3118 * emit-rtl.c (rtl_obstack): Remove.
3119 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
3120 (make_insn_raw): Likewise.
3121 (emit_insn_before): Likewise.
3122 (emit_insn_after): Likewise.
3123 (emit_insn): Likewise.
3124 (gen_sequence): Likewise.
3125 (copy_insn_1): Remove handling of `b' RTL components.
3126 (init_emit_once): Remove ggc_p conditionals.
3127 * except.c (create_rethrow_ref): Don't fool with obstacks.
3128 (add_partial_entry): Likewise.
3129 (call_get_eh_context): Likewise.
3130 (begin_protect_partials): Likewise.
3131 (protect_with_terminate): Likewise.
3133 (plus_constant_wide): Likewise.
3134 * expr.c (init_expr_once):
3136 (emit_block_move): Likewise.
3137 (clear_storage): Likewise.
3138 (expand_expr): Likewise.
3139 * flow.c (function_obstack): Remove.
3140 (flow_obstack): New variable.
3141 (flow_firstobj): Likewise.
3142 (create_base_block): Use the flow_obstack.
3143 (split_block): Likewise.
3144 (split_edge): Likewise.
3145 (calculate_global_regs_live): Likewise.
3146 (allocate_bb_life_data): Make it static. Likewiwse.
3147 (init_flow): New function.
3148 (size_int_type_wide): Remove ggc_p conditionals.
3150 (push_function_context_to): Don't call save_tree_status.
3151 (pop_function_context_from): Or restore_tree_status.
3152 (assign_stack_local_1): Don't call push_obstacks.
3153 (find_fixup_replacement): Use xmalloc.
3154 (fixup_var_refs_insns): Free the storage.
3155 (insns_for_mem_walk): Don't mess with obstacks.
3156 (instantiate_decls): Likewise.
3157 (trampoline_address): Likewise.
3158 (expand_function_end): Likewise.
3159 * function.h (sturct function):
3160 Remove obstack-related variables.
3161 (save_tree_status): Don't declare.
3162 (restore_tree_status): Likewise.
3163 * gcse.c (compute_can_copy):
3164 Don't call oballoc/obfree.
3165 * genattrtab.c (operate_exp): Remove
3167 (simplify_cond): Likewise.
3168 (simplify_test_exp): Don't mess with obstacks.
3169 (optimize_attrs): Likewise.
3170 * gengenrtl.c (gendef): Don't include
3172 * ggc-callbacks.c (ggc_p): Remove.
3173 * ggc-none.c (ggc_p): Remove.
3174 * ggc.h (ggc_p): Don't declare.
3175 * integrate.c (save_for_inline): Don't mess with obstacks.
3176 (integrate_decl_tree): Likewise.
3177 (output_inline_function): Likewise.
3179 (init_EXPR_INSN_LIST_cache): Likewise.
3180 * loop.c (temp_obstack):
3182 (rtl_obstack): Likewise.
3183 (init_loop): Don't mess with obstacks.
3184 (reg_address_cost): Free BIVs and GIVs.
3185 (check_insns_for_bivs): Use xmalloc, not oballoc.
3186 (find_mem_givs): Likewise.
3187 (record_biv): Likewise.
3188 (general_induction_var): Likewise.
3189 (product_cheap_p): Likewse.
3190 * optabs.c (init_one_libfunc): Remove
3192 * print-tree.c (debug_tree): Don't use
3194 (print_node): Likewise.
3195 * profile.c (output_func_start_profiler):
3196 Remove call to temporary_allocation.
3198 (eliminate_regs_in_insn): Don't mess with obstacks.
3200 (mark_target_live_regs): Use xmalloc.
3201 (free_resource_info): Free the memory.
3202 * rtl.c (rtl_obstack):
3204 (rtvec_alloc): Don't mess with obstacks.
3205 (rtx_alloc): Likewise.
3207 (copy_rtx): Don't handle `b' cases.
3208 (read_rtx): Use a local rtl_obstack.
3209 * rtl.h (oballoc): Remove.
3211 (pop_obstacks): Likewise.
3212 (push_obstacks): Likewise.
3213 (allocate_bb_life_data): Likewise.
3214 (allocate_reg_life_data): Likewise.
3215 (rtx_free): Likewise.
3216 * sdbout.c (sdbout_queue_anonymous_type):
3217 Use tree_cons, not saveable_tree_cons.
3219 (cselib_init): Don't mess with obstacks.
3221 (mark_block_nesting): Mark the label_chain.
3222 (epxand_label): Use ggc_alloc, not oballoc.
3223 (clear_last_expr): Don't mess with obstacks.
3224 (expand_decl_cleanup): Likewise.
3225 (expand_dcc_cleanup): Likewise.
3226 (expand_dhc_cleanup): Likewise.
3227 (expand_anon_union_decl): Likewise.
3228 (add_case_node): Use xmalloc, not oballoc.
3229 (free_case_nodes): New function.
3230 (expand_end_case): Call it.
3231 * stor-layout.c (layout_type): Don't
3233 (layout_type): Likewise.
3234 * toplev.c (wrapup_global_declarations):
3236 (compile_file): Remove ggc_p conditionals.
3237 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
3238 (decode_f_option): Remove ggc_p conditionals.
3240 (function_maybepermanent_obstack): Remove.
3241 (maybepermanent_obstack): Likewise.
3242 (function_obstack): Likewise.
3243 (tmeporary_obstack): Likewise.
3244 (momentary_obstack): Likewise.
3245 (temp_decl_obstack): Likewise.
3246 (saveable_obstack): Likewise.
3247 (rtl_obstack): Likewise.
3248 (current_obstack): Likewise.
3249 (expression_obstack): Likewise.
3250 (struct obstack_stack): Likewise.
3251 (obstack_stack): Likewise.
3252 (obstack_stack_obstack): Likewise.
3253 (maybepermanent_firstobj): Likewise.
3254 (temporary_firstobj): Likewise.
3255 (momentary_firstobj): Likewise.
3256 (temp_decl_firstobj): Likewise.
3257 (momentary_function_firstobj): Likewise.
3258 (all_types_permanent): Likewise.
3259 (struct momentary_level): Likewise.
3260 (momentary_stack): Likewise.
3261 (init_obstacks): Remove initialization of removed obstacks.
3262 (save_tree_status): Remove.
3263 (restore_tree_status): Likewise.
3264 (temporary_allocation): Liekwise.
3265 (end_temporary_allocation): Liekwise.
3266 (resume_temporary_allocation): Likewise.
3267 (saveable_allocation): Likewise.
3268 (push_obstacks): Likewise.
3269 (push_obstacks_nochange): Likewise.
3270 (pop_obstacks): Likewise.
3271 (allocation_temporary_p): Likewise.
3272 (permanent_allocation): Likewise.
3273 (preserve_data): Likewise.
3274 (preserve_initializer): Likewise.
3275 (rtl_in_current_obstack): Likewise.
3276 (rtl_in_saveable_obstack): Likewise.
3277 (oballoc): Likewise.
3279 (savealloc): Likewise.
3280 (expralloc): Likewise.
3281 (print_obstack_name): Likewise.
3282 (debug_obstack): Likewise.
3283 (object_permanent_p): Likewise.
3284 (push_momentary): Likewise.
3285 (perserve_momentary): Likewise.
3286 (clear_momentary): Likewise.
3287 (pop_momentary): Likewise.
3288 (pop_momentary_nofree): Likewise.
3289 (suspend_momentary): Likewise.
3290 (resume_momentary): Likewise.
3291 (make_node): Don't set TREE_PERMANENT.
3292 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
3293 Don't set TREE_PERMANENT.
3294 (get_identifier): Remove ggc_p conditionals.
3295 (build_string): Likewise.
3296 (make_tree_vec): Likewise.
3297 (build_decl_list): Remove.
3298 (build_expr_list): Likewise.
3299 (tree_cons): Remove ggc_p conditionals.
3300 (decl_tree_cons): Remove.
3301 (expr_tree_cons): Likewise.
3302 (perm_tree_cons): Likewise.
3303 (temp_tree_cons): Likewise.
3304 (saveable_tree_cons): Likewise.
3305 (build1): Remove ggc_p conditionals.
3306 (build_parse_node): Likewise.
3307 (build_type_attribute_variant): Don't mess with obstacks.
3308 (build_type_copy): Likewise.
3309 (type_hash_canon): Likewise.
3310 (build_pointer_type): Likewise.
3311 (build_reference_type): Likewise.
3312 (build_index_type): Likewise.
3313 (build_range_type): Likewise.
3314 (dump_tree_statistics): Don't print obstack information.
3316 (struct tree_common): Remove permanent_flag.
3317 (TREE_PERMANENT): Remove.
3318 (TREE_SET_PERMANENT): Likewise.
3319 (TYPE_OBSTACK): Likewise.
3320 (struct tree_type): Remove obstack.
3322 (savealloc): Likewise.
3323 (build_decl_list): Likewise.
3324 (build_expr_list): Likewise.
3325 (perm_tree_cons): Likewise.
3326 (temp_tree_cons): Likewise.
3327 (saveable_tree_cons): Likewise.
3328 (decl_tree_cons): Likewise.
3329 (expr_tree_cons): Likewise.
3330 (suspend_momentary): Likewise.
3331 (allocation_temporary_p): Likewise.
3332 (resume_momentary): Likewise.
3333 (push_obstacks_nochange): Likewise.
3334 (permanent_allocation): Likewise.
3335 (push_momentary): Likewise.
3336 (clear_momentary): Likewise.
3337 (pop_momentary): Likewise.
3338 (end_temporary_allocation): Likewise.
3339 (pop_obstacks): Likewise.
3340 (push_obstacks): Likewise.
3341 (pop_momentary_nofree): LIkewise.
3342 (preserve_momentary): Likewise.
3343 (saveable_allocation): Likewise.
3344 (temporary_allocation): Likewise.
3345 (resume_temporary_allocation): Likewise.
3346 (perserve_initializer): Likewise.
3347 (debug_obstack): Likewise.
3348 (rtl_in_current_obstack): Likewise.
3349 (rtl_in_saveable_obstack): Likewise.
3351 * varasm.c (current_obstack): Remove.
3352 (saveable_obstack): Remove.
3353 (rtl_obstack): Remove.
3354 (immed_double_const): Don't mess with obstacks.
3355 (immed_real_cons): Likewise.
3356 (output_constant_def): Likewise.
3357 (init_varasm_status): Use xcalloc.
3358 (mark_pool_constant): Mark the pool constant itself.
3359 (free_varasm_status): Free memory.
3360 (decode_rtx_const): Call bzero directly, rather than expanding it
3362 (record_rtx_const): Don't mess with obstacks.
3363 (force_const_mem): Likewise.
3364 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
3366 (aof_pic_entry): Likewise.
3367 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
3368 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
3369 * config/pa/pa.c (saveable_obstack): Remove.
3370 (rtl_obstack): Likewise.
3371 (current_obstack): Likewise.
3372 (output_call): Don't mess with obstacks.
3373 (hppa_encode_label): Remove ggc_p conditionals.
3374 * config/romp/romp.c (get_symref): Don't mess with obstacks.
3375 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
3376 (rs6000_encode_section_info): Likewise.
3377 * config/sh/sh.c (get_fpscr_rtx): Likewise.
3379 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
3381 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
3382 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
3383 (addsi3_carry): Canonicalize.
3384 (addqi_5): Remove '*'.
3385 (sbb pattern): Canonicalize.
3387 * i386.md (cmp to inc/add peep2): New.
3389 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
3391 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
3394 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3396 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
3397 * README.TRAD, TESTS.FLUNK: Remove.
3399 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3401 * c-common.c (decl_attributes): Don't allow strftime formats with
3402 first_arg_num nonzero.
3403 (check_format_info): Set wanted_type and wanted_type_name to zero
3404 before they are possibly assigned and used.
3406 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3408 * c-common.c (scanf_flag_specs): Add flags ' and I.
3409 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
3410 or the ^ and # flags together.
3411 (scan_char_table): Handle the ' and I flags.
3412 (format_types): Add ' and I flags for scanf.
3414 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3416 * c-common.c (print_char_table): Use the unpromoted type for
3417 lengths "h" and "hh" with conversions dioxXu.
3418 (check_format_types): Apply the default argument promotions where
3419 the wanted type is not a pointer target.
3421 2000-10-11 Michael Meeks <mmeeks@gnu.org>
3422 Joseph S. Myers <jsm28@cam.ac.uk>
3424 * c-typeck.c (check_modify_expr): New function.
3425 (build_modify_expr): Call it if warn_sequence_point.
3426 * c-decl.c (warn_sequence_point): New variable.
3427 (c_decode_option): Handle -Wsequence-point and
3428 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
3429 * c-tree.h (warn_sequence_point): Declare.
3430 * invoke.texi (-Wsequence-point): Document.
3431 * toplev.c (documented_lang_options): Add -Wsequence-point and
3432 -Wno-sequence-point.
3433 Original work by Michael Meeks, 16 Jun 1998.
3435 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3437 * tree.c (get_narrower): Don't look at precision of field if
3440 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
3442 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
3443 declaration for data with "progmem" attribute.
3445 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
3447 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
3448 Correct insn length if shift count is a memory operand.
3449 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
3450 (*iorhi3_clobber): Change lo8 to hi8.
3451 (zero_extendhisi2): Change %B0 to %A1.
3452 (ashlhi3, ashrhi3): Correct insn length.
3453 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
3454 from "clobber" to "set_n" in some alternatives.
3456 2000-10-10 Jakub Jelinek <jakub@redhat.com>
3458 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
3459 remove its insn_chain structure as well.
3461 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3463 * dbxout.c (dbxout_source_line): Remove extra tab.
3465 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
3467 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
3469 2000-10-09 Richard Henderson <rth@cygnus.com>
3471 * Makefile.in (LANG_LIB2FUNCS): Remove.
3472 (LIB2FUNCS): Remove _pure.
3473 (LIB2ADD): Remove LANG_LIB2FUNCS.
3474 (stage_a): Don't set LANG_LIB2FUNCS.
3475 * libgcc2.c (__terminate): Mark noreturn.
3476 (__pure_virtual): Remove.
3477 * mklibgcc.in: Remove LIB2ADD .txt processing.
3479 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3481 * arm.md (push_multi): Revert unintended change.
3483 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3485 * arm.c: Miscellaneous white space and comment clean-ups. No
3489 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3491 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
3492 STRING_CST by calling combine_strings.
3494 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3496 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
3497 (thumb_output_move_mem_multiple): Support new insn format.
3498 * arm.md (movmem12b): Use SSA compatible format.
3499 (movmem8b): Likewise.
3501 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3503 * arm.md (predicable): New attribute, default to "no".
3504 (all patterns): Mark as predicable if appropriate.
3505 (conditional execution splits): Split using predication format.
3506 (define_cond_exec): Define.
3507 * arm.c (arm_print_operand): handle insn predicate.
3509 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3511 * README.NS32K: Remove file.
3513 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3515 * README-bugs: Remove file.
3517 2000-10-08 Philipp Thomas <pthomas@suse.de>
3518 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
3520 * configure: Rebuilt.
3522 2000-10-08 Philipp Thomas <pthomas@suse.de>
3523 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
3524 disable catalog building if no suitable program was found.
3525 Move warning message from here
3526 (AM_GNU_GETTEXT): To here.
3527 * configure: Rebuilt.
3529 2000-10-08 Philipp Thomas <pthomas@suse.de>
3530 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
3531 different cache variables.
3532 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
3533 uses different cache variables.
3534 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
3535 * configure: Regenerated.
3537 2000-10-08 Richard Henderson <rth@cygnus.com>
3539 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
3540 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
3541 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
3544 * config/t-linux (SHLIB_EXT): New.
3545 (SHLIB_LINK): Use the entire build command, with substitutions.
3546 (SHLIB_LIBS): Remove.
3547 * config/alpha/t-osf4: Likewise.
3548 * config/mips/t-iris6: Likewise.
3549 * config/sparc/t-sol2: Likewise, but move shlib stuff...
3550 * config/sparc/t-slibgcc-sld: ...here.
3551 * config/sparc/t-slibgcc: New file.
3553 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3555 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
3556 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
3558 (intmax_type_node, uintmax_type_node): Define.
3559 * c-common.c (decl_attributes): If pedantic, warn if `mode'
3560 attributes create a type wider than intmax_t.
3561 (T_IM, T_UIM): Define properly.
3562 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
3564 (init_decl_processing): Initialize intmax_type_node and
3566 * c-lex.c (lex_number): When pedantic and warning for integer
3567 constants that are too large, in C99 mode warn for those that have
3568 a type wider than long long.
3570 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3572 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
3573 FMT_FLAG_FANCY_PERCENT_OK): Define.
3574 (format_char_info): Add flag "4" to comment.
3575 (format_flag_spec, format_flag_pair): New structures.
3576 (format_kind_info): Add additional fields to control format
3578 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
3579 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
3581 (time_char_table): Use "4" flag to handle %Ey.
3582 (format_types): Add entries for new fields.
3583 (get_flag_spec): New function.
3584 (check_format_info): Increase size of flag_chars[] to 256.
3585 Control format checking using the new fields of a format_kind_info
3586 and the new tables; remove all conditionals on printf_format_type,
3587 scanf_format_type or strftime_format_type. Handle all details of
3588 bad combinations of flags (including width, precision and strftime
3589 modifiers) through data rather than ad hoc code. Handle all
3590 details of standard versions in which flags appeared through
3591 data. Use the "4" flag.
3593 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
3595 * config/h8300/h8300.md: Remove the memory alternative and correct
3596 the insn lengths in the templates for sign extention and zero
3599 2000-10-07 Richard Henderson <rth@cygnus.com>
3601 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
3602 * flow.c (make_edges): Revert last change.
3604 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
3606 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
3608 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
3610 * config/alpha/elf.h: Standardize the formatting.
3612 2000-10-06 David O'Brien <obrien@FreeBSD.org>
3614 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
3617 2000-10-06 Richard Henderson <rth@cygnus.com>
3619 * function.c (diddle_return_value): Examine
3620 current_function_return_rtx instead of the DECL_RESULT.
3621 (expand_function_end): Handle reloading DECL_RESULT from memory
3622 into a hard register. Query promote_mode for sign of mismatched
3625 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3627 * haifa-sched.c (schedule_insns): Fix typo in freeing
3628 forward_dependency_cache.
3630 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3632 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
3633 `TARGET_SH2' as a condition.
3635 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3637 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
3638 forward_dependency_cache): New variables.
3639 (add_dependence, remove_dependence): Use anti_dependency_cache and
3640 output_dependency_cache.
3641 (compute_block_forward_dependences): Use forward_dependency_cache.
3642 (schedule_insns): Allocate and free memory for anti/output/forward
3643 dependencies caches.
3645 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3647 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
3648 `! TARGET_SH1'. Reindent.
3650 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3652 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
3653 Move functions from here ...
3655 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
3657 (c_expand_builtin): New function.
3658 (init_function_format_info): Don't set `check_function_format_ptr'.
3659 (c_common_nodes_and_builtins): Set built_in_class type for
3660 printf/__builtin_printf to BUILT_IN_FRONTEND.
3661 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
3663 * c-common.h (build_function_call): Declare.
3665 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
3666 to `lang_expand_expr' rather than `expand_builtin'.
3668 * tree.c (check_function_format_ptr): Delete.
3670 * tree.h (check_function_format_ptr): Likewise.
3672 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
3674 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
3675 DW_OP_bregx when cfa->reg > 31.
3677 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
3680 2000-10-05 Richard Henderson <rth@cygnus.com>
3682 * c-decl.c (warn_missing_noreturn): Remove.
3683 (c_expand_body): Don't set or check can_reach_end.
3684 * c-tree.h (warn_missing_noreturn): Move ...
3685 * flags.h: ... here.
3686 (can_reach_end): Remove.
3687 * flow.c (check_function_return_warnings): New.
3688 (make_edges): No edge to exit for noreturn sibcalls.
3689 * function.c (expand_function_end): Save the return value
3690 clobber instruction.
3691 (mark_function_status): Mark it.
3692 * function.h (struct function): Add x_clobber_return_insn.
3693 * jump.c (can_reach_end): Remove.
3694 (calculate_can_reach_end): Remove.
3695 (jump_optimize_1): Don't call it.
3696 * output.h (check_function_return_warnings): Declare.
3697 * toplev.c (warn_missing_noreturn): Move from c-decl.c
3698 (rest_of_compilation): Call check_function_return_warnings.
3700 2000-10-05 Richard Henderson <rth@cygnus.com>
3702 * Makefile.in (NM_FOR_TARGET): New.
3703 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
3704 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
3705 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
3706 shared library build on that and EXTRA_MULTILIB_PARTS.
3707 * mkmap-flat.awk: New file.
3708 * mkmap-symver.awk: New file.
3709 * libgcc-std.ver: New file.
3710 * config/libgcc-glibc.ver: New file.
3711 * config/ia64/libgcc-ia64.ver: New file.
3712 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3713 (SHLIB_LINK): Add --version-script.
3714 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
3715 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3716 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3717 (SHLIB_LINK): Add -M.
3719 2000-10-05 Richard Henderson <rth@cygnus.com>
3721 * Makefile.in (LIB2FUNCS): Add _clz.
3722 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
3723 (__clz_tab): Put in its own unit, non-static.
3724 * libgcc2.h: Always include longlong.h.
3726 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
3727 a zero instead of -1.
3728 (count_trailing_zeros): Likewise.
3730 2000-10-05 Richard Henderson <rth@cygnus.com>
3732 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
3733 when second op1 is const0_rtx. Validate op0 as a register.
3734 * config/alpha/alpha.md (setcc_internal): Don't allow constants
3735 in the first argument of the compare.
3736 (setcc_swapped_internal): Likewise.
3737 (setne_internal): Likewise.
3739 2000-10-05 Geoff Keating <geoffk@cygnus.com>
3741 * tree.c (tree_size): New function split out of copy_node.
3742 (make_node): Remove obstack handling. Use tree_size.
3743 (copy_node): Use tree_size.
3744 * tree.h: Prototype tree_size.
3746 2000-10-05 Richard Henderson <rth@cygnus.com>
3748 * diagnostic.c (output_format): Add missing break.
3750 2000-10-05 Jim Wilson <wilson@cygnus.com>
3752 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
3753 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
3754 sequence insn to INSN, and delete last sequence insn.
3756 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
3758 * gcc.c (main): Include generated configargs.h header
3759 and use arguments in '-v' output.
3761 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3763 * gcc.c: Move data on prefixes forward in file and reorganize.
3764 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
3765 Always define, but make null if no value.
3766 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
3767 and "md_startfile_prefix_1".
3768 (main): Check whether md_exec_prefix and the others are the
3769 null string rather than whether the macro is defined.
3771 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3773 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
3774 from PSImode to SImode.
3776 2000-10-05 Jakub Jelinek <jakub@redhat.com>
3778 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
3779 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
3780 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
3783 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3785 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
3786 negation in proper type.a
3788 2000-10-04 Richard Henderson <rth@cygnus.com>
3790 * configure.in (enable-shared): New.
3791 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
3792 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
3793 * mklibgcc.in: Use them to link shared a libgcc.
3794 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
3795 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
3796 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
3797 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
3799 * configure.in (alpha-osf*): Use t-osf and x-osf.
3800 * config/alpha/t-osf: New file.
3801 * config/alpha/t-osf4: New file.
3802 * config/alpha/x-osf: New file.
3803 * config/alpha/x-alpha: Remove file.
3805 2000-10-04 Will Cohen <wcohen@redhat.com>
3807 * c-typeck.c (process_init_element): Added warning for zero-length
3810 * extend.texi (Zero Length): State that static initializers for
3811 zero-length arrays are not allowed.
3813 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
3815 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
3818 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3820 * config/float-c4x.h: New.
3821 * configure.in (c4x-*): Set float_format to c4x.
3822 * configure: Regenerate.
3824 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3826 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
3827 compilation for solaris versions 2.7 and greater.
3829 2000-10-02 Marc Espie <espie@openbsd.org>
3831 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
3832 instead of redefining from scratch.
3834 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
3836 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
3838 2000-10-01 Mark Mitchell <mark@codesourcery.com>
3840 * config/ns32k/genix.h: Remove.
3841 * config/ns32k/x-genix: Likewise.
3842 * config/ns32k/xm-genix.h: Likewise.
3843 * config/fx80: Remove all filee in directory.
3844 * config/pyr: Likewise.
3845 * config/tahoe: Likewise.
3846 * config/gmicro: Likewise.
3847 * config/spur: Likewise.
3848 * configure.in: Remove configury bits for above targets.
3849 * configure: Regenerated.
3851 * configure.in: Don't configure chill by default.
3852 * configure: Regenerated.
3854 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
3855 (lang_mark_false_label_stack): Remove.
3856 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
3857 <top level> string in GC area.
3858 (mark_splay_tree_node): New function.
3859 (mark_splay_tree): Likewise.
3860 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
3862 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
3863 * ggc-common.c (lang_mark_false_label_stack): Change type.
3864 * ggc.h (ggc_alloc_string): Add comment.
3865 (ggc_strdup): New function.
3867 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
3869 * config/avr/avr.h (BRANCH_COST): Define as 0.
3871 * config/pdp11/pdp11.c: #include "tree.h" added.
3873 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
3875 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
3876 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
3877 with known shift count.
3878 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
3879 New alternative for shift count 2 with no scratch register.
3880 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
3881 "set_n" for shift counts 1 and 2.
3883 2000-09-30 Geoff Keating <geoffk@cygnus.com>
3885 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
3886 the mask value from the individual SET operations.
3887 (return_internal_si): Move the USE after the RETURN.
3888 (return_internal_di): Likewise.
3889 (return_and_restore_fpregs_si): Likewise.
3890 (return_and_restore_fpregs_di): Likewise.
3891 (return_eh_si): Likewise.
3892 (return_eh_di): Likewise.
3893 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
3895 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
3896 Don't generate a PARALLEL around a single operation movsi_to_cr.
3897 Generate the RETURN first in any PARALLELs.
3899 * rtlanal.c (single_set_1): Use fatal_insn to display the
3900 invalid insn. Check for more cases when a USE or CLOBBER occurs
3902 * Makefile.in: Update dependencies for rtlanal.o.
3904 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
3906 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
3908 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
3910 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
3911 Consistently use @email for formatting email addresses.
3913 2000-09-29 Richard Henderson <rth@cygnus.com>
3915 * cse.c (notreg_cost): New argument outer.
3916 (COST): Pass in SET to notreg_cost
3918 (fold_rtx): Use COST_IN. Prefer constants when costs
3921 2000-09-29 David Edelsohn <edelsohn@gnu.org>
3923 * fixinc/inclhack.def (broken_cabs): Generalize regex.
3924 * fixinc/fixincl.x: Regenerate.
3926 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3928 * loop.c (check_final_value): A GIV is not replaceable if used
3931 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
3933 * version.c: Bump to gcc-2.97.
3935 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
3937 * final.c (final_scan_insn): Remove extra extract_insn call;
3938 Use caching for constrain_operands.
3939 (cleanup_subreg_operands): Use caching for extract_insn.
3940 * recog.c (constrain_operands_cached): New.
3941 * recog.h (constrain_operands_cached): Declare.
3942 * i386.c (ix86_attr_length_immediate_default,
3943 ix86_attr_length_address_default, ix86_agi_dependant): Cache
3946 * recog.c (asm_noperands): Tweak.
3947 (extract_insn): Do not call asm_noperads for non-asm instructions.
3949 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3951 * recog.c (recog_memoized): Rename to recog_memoized_1.
3952 * recog.h (recog_memoized): Rename to recog_memoized_1.
3953 (recog_memoized): New macro.
3954 * rtl.h (single_set): Rename to single_set_1
3955 (single_set): New macro.
3956 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
3959 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
3960 Do not use match_dup of input operands at outputs.
3961 Use register_operand for memory expression.
3962 (rep_movsi): Put use last, canonicalize.
3963 Use register_operand for memory expression.
3964 (rep_movqi): Put use last.
3965 Use register_operand for memory expression.
3966 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
3967 of input operands at outputs. Use register_operand for memory
3969 (rep_stossi): Put use last; canonicalize; fix match_dup in
3970 the address expression
3971 (rep_stosqi): Likewise.
3972 (memcmp expander): Update calls.
3973 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
3976 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
3978 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
3980 2000-09-28 David O'Brien <obrien@FreeBSD.org>
3982 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
3983 Contains the old contents of config/i386/freebsd.h
3984 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
3985 Contains the old contents of config/i386/freebsd-elf.h
3986 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
3987 config/i386/freebsd.h.
3988 * configure.in: Adjust for above changes.
3989 * po/POTFILES.in: Likewise.
3990 * po/en_GB.po: Likewise.
3991 * po/gcc.pot: Likewise.
3992 * configure: Rebuilt.
3994 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3996 * doloop.c (doloop_modify): Prevent delete_insn() from
3997 deleting too much. Prefer loop->top over loop->start as
3998 target for the new JUMP insn.
3999 (doloop_valid_p): Ignore loop with exit_count != 0.
4001 2000-09-28 Philipp Thomas <pthomas@suse.de>
4003 * invoke.texi (i386 Options): Add athlon to table of possible
4006 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
4008 * diagnostic.h (output_clear_message_text): New function.
4009 (output_message_text): New macro.
4011 * diagnostic.c (clear_text_info): Rename to
4012 output_clear_message_text.
4013 (output_clear): Adjust.
4014 (output_finish): Rename to output_finalize_message. Tweek.
4015 (output_to_stream): Adjust.
4017 2000-09-28 Neil Booth <neilb@earthling.net>
4019 * cpperror.c (_cpp_begin_message): Do the test for suppression
4020 of warnings and pedantic warnings before the "is a warning an
4022 * cppinit.c (cpp_handle_option): Remove surplus \n.
4023 * cpplex.c (ON_REST_ARG): Delete.
4024 (skip_block_comment): Initialise prevc.
4025 (parse_args): Improve error messages.
4026 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
4028 * cpplib.c (cpp_push_buffer): Fix grammar in message.
4029 * cppmain.c (main): Set callbacks for #ident and #pragma
4030 only if no_output option is false.
4031 (do_pragma_implementation): Only call the #pragma handler
4032 if it is set in the cpp_reader structure.
4034 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
4036 * integrate.c (copy_insn_list): if an ignored return value
4037 is being clobbered, skip cloning that into the inline copy.
4039 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
4041 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
4042 use @uref for formatting URLs.
4044 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
4046 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
4049 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
4051 * gcc.c (cpp_options): Add spec for -ftabstop=.
4052 (invoke_as): New spec that handles invoking as.
4053 Update specs to handle -save-temps and -traditional.
4054 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
4056 * cp/lang-specs.h, objc/lang-specs.h: Update to use
4057 invoke_as, and handle -save-temps and -traditional (if
4060 2000-09-26 Jakub Jelinek <jakub@redhat.com>
4062 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
4064 (function_arg_slotno): Accept TImode/CTImode.
4065 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
4068 2000-09-26 Michael Hayes <mhayes@cygnus.com>
4070 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
4073 2000-09-25 Jim Wilson <wilson@cygnus.com>
4075 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
4076 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
4077 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
4078 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
4080 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4082 * cpplex.c (parse_args): Don't set VOID_REST flag.
4083 (CONTEXT_VARARGS): New flag.
4084 (maybe_paste_with_next): Set context earlier in loop. Use
4085 it. Do varargs test with CONTEXT_VARARGS flag.
4086 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4087 pushing an argument context for a varargs argument.
4088 * cpplib.h (VOID_REST): Delete.
4089 * gcc.dg/cpp/vararg1.c: Add test case.
4091 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4093 * flags.h: Declare warning flag warn_system_headers.
4094 * toplev.c: Define it.
4095 (W_options): Add option -Wsystem-headers.
4096 * diagnostic.c (count_error): Test warn_system_headers.
4097 * invoke.texi: Add description for -Wsystem-headers.
4098 * cpplib.h (cpp_options): New member warn_system_headers.
4099 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4100 CPP_IN_SYSTEM_HEADER.
4101 * cpplib.c (do_import, do_pragma_once): Likewise.
4102 * cpperror.c (_cpp_begin_message): Test warn_system_headers
4103 and CPP_IN_SYSTEM_HEADER.
4104 * cppinit.c (handle_option): Recognize -Wsystem_headers.
4105 (print_help): Describe -Wsystem_headers.
4106 * cpplex.c (lex_line): Reorganize condition so that warnings
4107 about C++ comments in system headers can be enabled. Remove
4108 label do_line_comment.
4110 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
4112 * cpplex.c (save_comment): Only store the initial '/'
4114 (lex_token): Combine handling of the two comment types.
4115 Pass everything but the initial '/' to save_comment.
4117 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
4119 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
4120 _cpp_can_paste): New library-internal prototypes.
4121 * cpplex.c (dump_param_spelling, output_line_command,
4122 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
4123 cpp_printf, cpp_output_list): Move to cppoutput.c.
4124 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
4125 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
4127 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
4128 dump_param_spelling, output_line_command, cpp_scan_buffer,
4129 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
4131 * Makefile.in: Add cppoutput.c.
4132 * po/POTFILES.in: Add cppoutput.c.
4134 2000-09-25 Richard Henderson <rth@cygnus.com>
4136 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
4137 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
4138 split until after reload.
4139 (rotlsi3, rotldi3): New.
4141 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
4143 * diagnostic.c (output_last_position): Define.
4144 (set_real_maximum_length): Tweek.
4145 * diagnostic.h (output_last_position): Declare.
4147 2000-09-25 Kazu Hirata <kazu@hxi.com>
4149 * config/i386/i386.c: Fix formatting.
4151 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
4153 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
4154 UNITS_PER_WORD is small.
4156 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
4158 * c-common.c (format_char_info): Add flags2; update comments.
4159 (print_char_table, scan_char_table, time_char_table): Split some
4160 flags out into flags2.
4161 (check_format_info): Use flags2 for those flags, for identifying
4162 the initial character of a scanf scanset, and for identifying
4163 printf formats where the '0' flag is ignored with precision.
4165 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
4167 Changes below marked "here" add TABs on either or both sides,
4168 covering start of line, up to any operand for all noted .*ASM.*_OP
4169 definitions. All callers changed.
4170 * tm.texi: Make documented *_ASM.*_OP:s include spacing
4171 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
4172 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4173 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4174 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
4175 Fix typos in description for LONG_LONG_TYPE_SIZE and
4176 FINI_SECTION_ASM_OP.
4177 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
4178 why these defaults don't have leading spacing.
4179 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
4180 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4181 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
4182 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
4183 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
4184 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
4185 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
4186 * varasm.c (ASM_STABS_OP): Here.
4187 * xcoffout.h (ASM_STABS_OP): Here.
4188 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4189 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4190 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
4191 STRING_ASM_OP): Here.
4192 * config/freebsd.h (IDENT_ASM_OP): Here.
4193 * config/linux-aout.h (SET_ASM_OP): Here.
4194 * config/linux.h (SET_ASM_OP): Here.
4195 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4197 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4198 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
4199 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4200 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4202 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4203 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4204 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
4205 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4206 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
4207 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4208 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
4209 * config/a29k/udi.h (INT_ASM_OP): Here.
4210 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
4211 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4213 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
4214 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4215 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4216 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
4217 ASM_STABD_OP): Here.
4218 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
4219 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
4220 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4221 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
4222 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
4223 SIZE_ASM_OP, STRING_ASM_OP): Here.
4224 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
4225 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
4226 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
4227 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
4228 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
4229 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
4231 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4232 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
4233 * config/arm/coff.h (INT_ASM_OP): Here.
4234 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4235 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
4236 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
4237 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
4238 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4239 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4240 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
4241 STRING_ASM_OP): Here. Update documentation copy in comments.
4242 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
4243 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
4244 DATA_SECTION_ASM_OP): Here.
4245 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
4247 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
4248 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4249 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4250 BSS_SECTION_ASM_OP): Here.
4251 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4252 BSS_SECTION_ASM_OP): Here.
4253 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4255 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
4256 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4257 * config/h8300/h8300.h (ASM_WORD_OP): Here.
4258 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4259 BSS_SECTION_ASM_OP): Here.
4260 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
4261 * config/i386/bsd.h (ASM_BYTE_OP): Here.
4262 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
4263 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
4264 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
4266 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
4267 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
4269 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
4270 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4271 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
4272 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4274 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
4275 * config/i386/netbsd.h (INT_ASM_OP): Here.
4276 * config/i386/openbsd.h (INT_ASM_OP): Here.
4277 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
4278 IDENT_ASM_OP): Here.
4279 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
4280 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
4281 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
4282 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
4283 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
4284 SHARED_BSS_SECTION_ASM_OP): Here.
4285 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
4286 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4287 DATA_SECTION_ASM_OP): Here.
4288 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4289 CONST_SECTION_ASM_OP): Here.
4290 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
4291 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4292 BSS_SECTION_ASM_OP): Here.
4293 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
4294 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
4295 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
4296 BSS_ASM_OP): Here, but use trailing spaces.
4297 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4298 DATA_SECTION_ASM_OP): Here.
4299 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
4301 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
4302 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
4303 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4304 TDESC_SECTION_ASM_OP): Here.
4305 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
4306 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4307 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4309 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4310 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4311 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4312 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4313 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
4314 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
4315 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4316 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
4317 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
4318 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
4319 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4320 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4322 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4323 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4324 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
4325 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
4326 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
4327 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
4328 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
4329 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4330 GLOBAL_ASM_OP): Here.
4331 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
4332 BSS_SECTION_ASM_OP): Here.
4333 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
4334 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4335 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
4336 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
4338 * config/m68k/newsgas.h (SET_ASM_OP): Here.
4339 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
4340 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4341 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4342 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4343 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
4344 but use trailing spaces.
4345 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
4346 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
4347 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
4349 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4350 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4351 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4352 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4353 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4354 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
4355 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
4356 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
4357 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
4358 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
4359 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4360 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
4362 * config/m88k/openbsd.h (SET_ASM_OP): Here.
4363 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4364 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4365 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
4366 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
4367 DTORS_SECTION_ASM_OP): Here.
4368 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
4369 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4370 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
4371 BSS_SECTION_ASM_OP): Here.
4372 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
4373 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
4374 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
4375 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
4376 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
4377 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4378 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
4379 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
4381 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
4383 * config/mips/osfrose.h (SET_ASM_OP): Here.
4384 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
4385 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
4386 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
4387 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4389 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
4390 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
4391 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
4392 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
4393 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
4394 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4396 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4398 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
4399 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
4400 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
4402 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
4403 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
4404 * config/sparc/linux.h (COMMON_ASM_OP): Here.
4405 * config/sparc/linux64.h (COMMON_ASM_OP,
4406 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4407 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
4408 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4409 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
4410 * config/sparc/pbd.h (ASM_INT_OP): Here.
4411 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
4412 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4413 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
4414 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
4415 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
4416 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
4417 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
4418 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
4419 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
4420 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4421 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4422 EH_FRAME_SECTION_ASM_OP): Here.
4423 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
4424 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4426 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4428 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
4429 TCOMMON_ASM_OP): Here.
4430 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4432 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4435 2000-09-25 Richard Henderson <rth@cygnus.com>
4437 * expmed.c (store_bit_field): Adjust last change to not consider
4438 any word-sized field naturally aligned.
4440 2000-09-24 Richard Henderson <rth@cygnus.com>
4442 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
4443 TFmode unordered compares properly. Revalidate integer compare
4445 (alpha_emit_setcc): New.
4446 (alpha_emit_conditional_move): Revalidate integer compare operands.
4447 * config/alpha/alpha-protos.h: Update.
4448 * config/alpha/alpha.md (cmpdi): Allow general operands.
4449 (sne): Use alpha_emit_setcc.
4450 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
4451 (sunordered, sordered): New.
4453 2000-09-24 Richard Henderson <rth@cygnus.com>
4455 * config/ia64/ia64-protos.h: Update.
4456 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
4457 (ia64_expand_call): New.
4458 (ia64_expand_prologue): Emit an alloc if we need extra input
4460 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
4461 instruction if true.
4462 (struct reg_flags): Add is_sibcall.
4463 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
4464 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
4465 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
4466 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4467 * config/ia64/ia64.md (call): Use ia64_expand_call.
4468 (call_value): Likewise.
4469 (sibcall, sibcall_value): New.
4470 (call patterns): Remove extra expanders; tidy.
4471 (sibcall_epilogue): New.
4472 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
4474 2000-09-24 Richard Henderson <rth@cygnus.com>
4476 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
4478 * sibcall.c (skip_pic_restore): New.
4479 (identify_call_return_value): Use it.
4481 2000-09-24 Mark Mitchell <mark@codesourcery.com>
4483 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
4484 functions. Generalize to handle both C and C++.
4485 * Makefile.in (c-tree.info): New target.
4486 (info): Add c-tree.info.
4488 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4490 * expr.c (store_field): If BITSIZE is negative, use size of type.
4491 (expand_expr, case COMPONENT_EXPR): Likewise.
4493 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
4495 * cpplex.c: Update TODO comment.
4496 * cpplib.c (do_error, do_warning): Merge common code of
4497 do_error and do_warning into do_diagnostic. Use it.
4498 (do_diagnostic): New function.
4499 * cpplib.h: Fix comment typo.
4501 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4503 * c-common.c (check_format_info): Warn for a wide character string
4504 used as a non-wide format argument.
4506 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4508 * builtins.def (BUILT_IN_LLABS): Add.
4509 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
4510 * c-common.c (c_common_nodes_builtins): Create builtin functions
4511 __builtin_llabs, and plain llabs unless no_nonansi_builtins
4512 outside of C99 mode.
4513 (expand_tree_builtin): Handle BUILT_IN_LLABS.
4515 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
4517 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
4518 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
4519 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
4520 _cpp_free_toklist): No need to worry about extra dummy token
4521 at the start of token lists any more.
4522 (trigraph_ok): Only warn outside comments.
4523 (skip_block_comment): Set and clear lexing_comment.
4524 (skip_line_comment): Take a cpp_reader not cpp_buffer.
4525 Set and clear lexing_comment.
4526 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
4527 (check_long_token): Delete.
4528 (lex_percent, lex_dot): New subroutines of lex_token to
4529 handle lexing of '.' and '%' without lookback.
4530 (lex_token): Use lex_dot and lex_percent.
4531 (lex_line): Don't check for LIST_OFFSET.
4532 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
4533 * cpplib.c (_cpp_parse_assertion): Similarly.
4534 (cpp_push_buffer): Initialize extra_char.
4535 * cpplib.h (LIST_OFFSET): Delete.
4536 (struct cpp_buffer): New member extra_char.
4537 (struct lexer_state): New members lexing_comment and seen_dot.
4539 2000-09-23 Jason Merrill <jason@redhat.com>
4541 * config/rs6000/x-aix41 (CLIB): Define here.
4542 * config/rs6000/t-aix43: Not here.
4543 * config/rs6000/t-aix41: Or here. Remove.
4544 * configure.in: Don't use it.
4546 2000-09-22 Jason Merrill <jason@redhat.com>
4548 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
4549 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
4550 * config.in: Regenerate.
4552 * configure.in: Fix checks for assembler features when using a
4553 one-tree assembler that has not yet been built.
4554 Fix --disable-threads.
4556 2000-09-19 Geoff Keating <geoffk@cygnus.com>
4558 * stmt.c (expand_asm_operands): Allow # in constraints.
4560 2000-09-22 Jason Merrill <jason@redhat.com>
4562 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
4564 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
4565 function-local names.
4567 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
4568 Mark Mitchell <mark@codesourcery.com>
4570 * toplev.c (warn_disabled_optimization): Declare new warning flag.
4571 * flags.h (warn_disabled_optimization): Add it here.
4572 * gcse.c (gcse_main): Add warning when disabled.
4573 * invoke.texi: Document -Wdisabled-optimization.
4575 2000-09-21 Jason Merrill <jason@redhat.com>
4577 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
4579 * dwarf2out.c (tree_add_const_value_attribute): New fn.
4580 (gen_variable_die): Call it for non-definitions.
4582 * dwarf2out.c (die_struct): Add die_mark field.
4583 (mark_dies, unmark_dies): New fns.
4584 (clear_die_sizes): Remove.
4585 (print_die): Check die_symbol rather than die_offset.
4586 (build_abbrev_table, output_pubnames, output_aranges): Check
4587 die_mark rather than die_offset.
4588 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
4591 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
4593 * cppfiles.c (lookup_include_file): Rename to open_file.
4594 Always create a splay tree value, even on syscall failures.
4595 Negative entries indicated by fd == -2.
4596 Re-open files closed in the meantime.
4597 (_cpp_fake_include): Create a negative splay tree entry.
4598 (find_include_file, cpp_read_file): Update for function name
4600 * gcc.gd/cpp/mi4.c: Testcase.
4602 2000-09-21 Nick Clifton <nickc@redhat.com>
4604 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
4605 ARM and THUMB modes.
4607 * config/mcore/mcore.c: Fix compile time warnings.
4608 * config/mcore/mcore-protos.h: Fix compile time warnings.
4610 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4612 * configure.in: Correct test of gcc_cv_glibc.
4613 * configure: Rebuilt.
4614 * config.in: Rebuilt.
4616 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4618 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
4619 (expand_builtin): Handle BUILT_IN_FWRITE.
4621 * builtins.def (BUILT_IN_FWRITE): New entry.
4623 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
4625 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4627 * gcc.c (modify_target): New variable and struct.
4628 (process_command): Handle MODIFY_TARGET_NAME.
4629 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
4630 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
4632 * c-decl.c (finish_decl): Add else's to avoid referencing
4633 TYPE_DOMAIN of an ERROR_MARK.
4635 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
4637 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
4640 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
4642 * config/avr/avr.md (neghi2): Add alternative for input and output
4643 operands in different registers, as in negsi2.
4644 (*negsi2): Remove '*' from the name. Use "movw" if available.
4646 2000-09-19 Jim Wilson <wilson@cygnus.com>
4648 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
4649 HAVE_GAS_HIDDEN macro.
4651 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
4653 * cpplex.c (lex_line): Drop the EOF token for unknown
4654 directives in assembler.
4656 2000-09-19 David Edelsohn <edelsohn@gnu.org>
4658 * configure.in: Allow enable_threads_flag value of "aix". Define
4659 thread_file as "aix" for AIX 4.3 and above.
4660 * configure: Regenerated.
4662 * gthr-aix.h: New file.
4664 * rs6000/t-aix43: Replace soft-float multilib with pthread.
4665 Remove 403 processor multilib match. Fix rios2 processor multilib
4668 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
4669 to return to appropriate csect.
4671 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4673 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
4675 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
4676 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
4679 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
4682 * c-common.c (init_function_format_info): Handle __builtin_printf.
4683 Set `check_function_format_ptr'.
4684 (c_common_nodes_and_builtins): Set `puts_ftype' and
4685 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
4686 __builtin_printf and printf.
4688 * tree.c, tree.h (check_function_format_ptr): Declare.
4690 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
4692 * cppfiles.c (read_include_file): Take no special action for
4695 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
4697 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
4698 rather than that of branch.
4699 (shorten_branches): Don't increment insn_current_address twice.
4701 Undo most of the Wed Jan 27 23:39:53 1999 patch:
4702 * loop.h (struct induction): Delete members derived, ix and last_use.
4703 (struct loop_ivs): Delete members first_increment_giv and
4705 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
4706 recombine_givs): Delete functions.
4707 (find_and_verify_loops): Don't initialize cont_dominator.
4708 (strength_reduce): Lose code to try to find bivs that can be
4709 expressed as givs of another biv, and to convert biv increments
4711 Lose loop_scan_start variable, always use loop->scan_start.
4712 Don't call recombine_givs. Don't handle derived givs.
4713 (record_giv): Don't initialize derived and last_use fields.
4714 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
4716 * unroll.c (derived_regs): Delete static variable.
4717 (unroll_loop): Don't initialize it.
4718 (copy_loop_body): Lose code to handle derived givs.
4719 (find_splittable_givs): Don't check for givs made from biv
4721 Don't set derived_regs.
4723 Fix misapplied earlier patch:
4724 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
4726 (floatsisf2): Generate floatsisf_ie by default.
4727 (floatsisf_i4): Conditional on TARGET_SH4.
4729 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
4730 predicate for the expanders.
4732 2000-09-19 Richard Henderson <rth@cygnus.com>
4734 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
4735 in addition to pentium and pentiumpro symbols.
4736 (CPP_CPU_DEFAULT_SPEC): Likewise.
4738 * c-typeck.c (c_expand_asm_operands): Restore the output tree
4741 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
4742 if the tree has side effects.
4743 (warn_if_unused_value): Do not warn about void constructs.
4745 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
4747 * unroll.c (copy_loop_body): Update LABEL_NUSES before
4748 calling invert_jump.
4750 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4752 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
4755 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4757 * Makefile.in (c-common.o): Depend on diagnostic.h.
4759 * c-common.c: Include diagnostic.h.
4761 (status_warning): New function.
4762 (check_format_info, maybe_read_dollar_number, check_format_types,
4763 finish_dollar_format_checking, check_function_format): Accept a
4764 `status' parameter. All callers changed.
4766 * c-common.h (check_function_format): Accept a `status' parameter.
4768 * c-typeck.c: Update call to `check_function_format'.
4770 2000-09-18 Richard Henderson <rth@cygnus.com>
4772 * c-decl.c (c_expand_body): Call mark_varargs before
4773 expand_function_start.
4775 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4777 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
4778 * config/rs6000/eabi-ci.asm: Likewise.
4780 2000-09-18 Richard Henderson <rth@cygnus.com>
4782 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
4785 2000-09-18 Jim Wilson <wilson@cygnus.com>
4787 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
4788 before passing it to fold_rtx_mult_add.
4790 * unroll.c (final_giv_value): Pass increment through
4791 extend_value_for_giv before passing it to emit_iv_add_mult.
4793 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
4794 paradoxical subreg, then directly substitute the replacement and
4797 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
4799 * cpp.texi: Update documentation, including some clarifications,
4800 the treatment of various newline combinations, and space between
4801 backslash and newline.
4803 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4805 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
4806 Replace ASM_OUTPUT_LABELREF with assemble_name.
4808 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4810 * sh.c (addsubcosts): CONST is not cheap.
4811 (find_barrier): For Sh1, take alignment after jumps into account.
4813 2000-09-15 Andrew Haley <aph@redhat.com>
4815 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
4816 remove all SETs of SUBREGs of hard registers.
4817 * function.c (purge_hard_subreg_sets): New function.
4818 (purge_single_hard_subreg_set): New function.
4819 * rtl.h: (purge_hard_subreg_sets): New function.
4821 2000-09-18 Richard Henderson <rth@cygnus.com>
4823 * config/ia64/ia64-protos.h: Update.
4824 * config/ia64/ia64.c (signed_inequality_operator): New.
4825 (ia64_expand_compare): New.
4826 (ia64_register_move_cost): Handle PR_REGS moves.
4827 (ia64_secondary_reload_class): Require a GR when moving to a PR.
4828 (struct reg_write_state): Add written_by_and/or.
4829 (struct reg_flags): Add is_and/or.
4830 (rws_update): Set them.
4831 (rws_access_regno): Test them to allow parallel comparisons.
4832 (rtx_needs_barrier): Recognize parallel comparisons.
4833 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
4834 Call recog_memoized; ignore pred_rel_mutex.
4835 (emit_predicate_relation_info): Don't call find_basic_blocks here.
4836 (ia64_reorg): Do it here instead.
4837 * config/ia64/ia64.h: s/CCmode/BImode/g
4838 (MODES_TIEABLE_P): Don't tie BImode.
4839 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
4840 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
4841 (RTX_COSTS): Make multiply 4 insns.
4842 (MEMORY_MOVE_COST): New.
4843 (PREDICATE_CODES): Update.
4844 * config/ia64/ia64.md: s/CCmode/BImode/g
4845 (movcci, movbi): New.
4846 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
4847 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
4848 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
4849 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
4850 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
4851 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
4852 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
4853 (mulsi, muldi): Use xmpy not xma.
4855 (movcc, movcc_internal): Remove.
4856 (branch expanders): Use ia64_expand_compare.
4857 (setcc expanders): Likewise.
4858 (cmov insns): Use move_operand and ia64_move_ok.
4859 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
4860 scheduler from moving it past a use.
4861 * config/ia64/build.hacks: Remove.
4863 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
4865 * cpphash.h (HASHSTEP): Take character rather than pointer
4867 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
4869 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
4871 * cpplex.c (auto_expand_name_space, trigraph_replace,
4872 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
4873 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
4874 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
4875 KNOWN_DIRECTIVE): Delete.
4877 (handle_newline, check_long_token, skip_escaped_newlines,
4878 unterminated): New functions.
4879 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
4881 (parse_identifier): Was parse_name, new implementation.
4882 (skip_line_comment, skip_block_comment, skip_whitespace,
4883 parse_number, parse_string, trigraph_ok, save_comment,
4884 adjust_column, _cpp_get_line): New implementations.
4886 (lex_token): New function. Lexes a token at a time, looking
4887 forwards. Contains most of the guts of the old lex_line.
4888 (lex_line): New implementation, using lex_token to obtain
4890 (cpp_scan_buffer): Use the token's line, not the list's line.
4892 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
4893 New implementations.
4894 (do_assert): Don't bother setting the answer's list's line.
4895 (cpp_push_buffer): Initialise new pfile and read_ahead members
4896 of struct cpp_buffer.
4898 * cpplib.h (cppchar_t): New typedef.
4899 (struct cpp_buffer): read_ahead, pfile and col_adjust are
4901 (struct lexer_state): New structure that determines the state
4902 and behaviour of the lexer.
4903 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
4904 (struct cpp_reader): New member "state". Rename
4905 multiline_string_line and multiline_string_column. Delete
4906 col_adjust, in_lex_line members.
4907 (CPP_BUF_COLUMN): Update.
4909 2000-09-18 Richard Henderson <rth@cygnus.com>
4911 * combine.c (simplify_comparison): Shift a NOT out of a single
4914 * combine.c (if_then_else_cond): Canonicalize BImode true to
4916 * explow.c (trunc_int_for_mode): Likewise.
4918 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
4919 the NOT for De Morgan's rule.
4920 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
4921 of a comparison to the reverse comparison.
4923 * combine.c (try_combine): Allow split to create a single insn.
4925 * machmode.def: Add BImode. Add a column for bitsize.
4926 * machmode.h (DEF_MACHMODE): Adjust for extra column.
4927 (GET_MODE_BITSIZE): Use it.
4928 * rtl.c (DEF_MACHMODE): Adjust for extra column.
4929 (mode_bitsize): New.
4930 (mode_mask_array): Use bitsize.
4931 * combine.c (combine_simplify_rtx): Require inner and outer
4932 modes to match on nonzero_bits optimizations.
4934 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
4936 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
4937 its entry in spill_reg_store.
4938 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
4939 * sh.c (reg_no_subreg_operand): New function.
4940 * sh-protos.h (reg_no_subreg_operand): Declare it.
4941 * sh.h (PREDICATE_CODES): Add it.
4942 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
4943 input operand that needs to be in fpul.
4944 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
4945 * sh.c (find_barrier): Take into account that machine_dependent_reorg
4946 might add new insns.
4948 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
4950 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
4952 (sh_expand_epilogue): Take the PIC register into account when
4953 computing the frame size.
4955 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
4956 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
4957 LABEL_REFs with a PIC-safe unspec.
4959 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4961 * c-common.c (check_format_info): Properly save the argument
4962 number and parameter for $ operand number formats in case width
4963 and precision arguments are also used. Allow printf width and
4964 precision arguments to have operand numbers even if none was
4965 specified for the main format, since this is OK for %*.*m. Only
4966 object to missing $ operand number if the format used requires an
4969 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4971 * c-common.c (format_char_info): Add 'W' flag to comment.
4972 (print_char_table, scan_char_table): Use it.
4973 (check_format_info): Use the 'W' flag to determine whether a
4974 format argument is written into.
4976 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4978 * c-common.c (check_format_types): Reorganise and clean up,
4979 checking earlier for ERROR_MARKs and making cur_type into its
4980 TYPE_MAIN_VARIANT where convenient.
4982 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
4984 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
4986 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
4988 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
4990 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
4991 * i386.c (struct builtin_description): New.
4992 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
4993 (mmx_reg_operand): Declare MODE arg as unused.
4994 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
4995 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
4996 ix86_expand_binop_builtin, ix86_expand_store_builtin,
4997 ix86_init_builtins, ix86_expand_builtin): New functions.
4998 * i386.h (ix86_builtins): New enumeration.
4999 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
5000 * i386.md (attr length_immediate): 0 for mmx/sse types.
5001 (attr prefix_0f): 1 for mmx/sse types.
5002 (setcc_2): Remove "*" so we get gen_setcc_2.
5003 (emms): Account for changed register numbering. Set "memory" attr
5005 (sfence): Set "memory" attr to unknown.
5007 2000-09-18 Andreas Jaeger <aj@suse.de>
5009 * configure.in: Define _GNU_SOURCE only when using the GNU C
5011 * configure: Regenerated.
5012 * config.in: Regenerated.
5014 2000-09-17 Mark Mitchell <mark@codesourcery.com>
5016 * cppinit.c (cpp_init): Don't use ANSI prototypes.
5017 * flow.c (flow_dump_loop): Likewise.
5018 (flow_loops_dump): Likewise.
5020 * c-typeck.c (c_start_case): Fix typo.
5022 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5024 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
5025 to int for plain complex which defaults to complex double. Do
5026 warn about defaulting to complex double if pedantic. Warn about
5027 complex integer types if pedantic. Warn about complex types if
5028 pedantic and not in C99 mode.
5029 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
5030 for complex conjugation.
5032 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5034 * contrib.texi: Update my entry.
5036 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
5038 * config/avr/avr.md (mcu_enhanced): New attribute.
5039 (mcu_mega): Likewise.
5040 (extendhisi2): Use mcu_enhanced.
5041 (zero_extendhisi2): Likewise.
5042 (call_insn): Use mcu_enhanced and mcu_mega.
5043 (call_value_insn): Likewise.
5044 (*sbrx_branch): Use mcu_mega.
5045 (*sbrx_and_branchsi): Likewise.
5046 (*sbrx_and_branchhi): Likewise.
5047 (*tablejump_lib): Likewise.
5049 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5051 * alias.c (true_dependence): Allow non-unchanging read to conflict
5052 with unchanging write.
5054 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
5055 (store_constructor): Pass alias_set to it.
5057 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
5058 TYPE_MAIN_VARIANT of ERROR_MARK.
5059 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
5061 * simplify-rtx.c (simplify_unary_operation): Add cases
5062 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
5064 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
5066 * expr.h (emit_library_call, emit_library_call_value): Delete
5068 * rtl.h (enum libcall_type): New.
5069 (emit_library_call, emit_library_call_value): Change fn_type arg to
5070 be of type enum libcall_type.
5071 * calls.c: Likewise for the function definitions. Several callers
5072 throughout changed to use the new enumeration appropriately.
5073 (emit_library_call_value_1): Likewise. Put back code to make libcall
5074 blocks of equal form, but only use it for the two new higher
5077 2000-09-16 Mark Mitchell <mark@codesourcery.com>
5079 Convert the C front-end to use function-at-a-time mode.
5080 * c-common.h: Include splay-tree.h.
5081 (C_DECLARED_LABEL_FLAG): New macro.
5082 (struct language_function): Add x_scope_stmt_stack and
5083 x_function_name_declared_p.
5084 (RECHAIN_STMTS): Move definition.
5085 (lang_statment_code_p): Likewise.
5086 (lang_expand_stmt): Likewise.
5087 (lang_expand_decl_stmt): New variable.
5088 (lang_expand_function_end): Likewise.
5089 (current_scope_stmt_stack): New function.
5090 (add_decl_stmt): Likewise.
5091 (add_scope_stmt): Likewise.
5092 (mark_stmt_tree): Likewise.
5093 (struct c_lang_decl): New structure.
5094 (DECL_SAVED_TREE): Define.
5095 (c_mark_lang_decl): New function.
5096 (c_expand_start_cond): Change prototype.
5097 (c_finish_then): New function.
5098 (c_finish_else): Likewise.
5099 (current_function_name_declared): Remove.
5100 (set_current_function_name_declared): Likewise.
5101 (mark_c_language_function): Declare.
5102 (case_compare): Likewise.
5103 (c_add_case_label): Likewise.
5104 (c_expand_expr): Likewise.
5105 (c_safe_from_p): Likewise.
5106 * c-common.c (lang_expand_function_end): New variable.
5107 (struct if_elt): Add if_stmt.
5108 (c_expand_start_cond): Add the if-statement to the statement-tree,
5109 rather than generating RTL.
5110 (c_finish_then): New function.
5111 (c_expand_start_else): Don't generate RTL.
5112 (c_finish_else): New function.
5113 (c_expand_expr_stmt): Don't generate RTL.
5114 (statement_code_p): Add SCOPE_STMT.
5115 (case_compare): New function.
5116 (c_add_case_label): Likewise.
5117 (mark_stmt_tree): Likewise.
5118 (c_mark_lang_decl): Likewise.
5119 (mark_c_language_function): Likewise.
5120 (c_expand_expr): Likewise.
5121 (c_safe_from_p): Likewise.
5122 * c-decl.c (c_stmt_tree): New variable
5123 (c_scope_stmt_stack): Likewise.
5124 (c_function_name_declared_p): Likewise.
5125 (lang_expand_expr_stmt): Remove.
5126 (poplevel): Don't call output_inline_function for nested
5128 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
5130 (redeclaration_error_message): Change means of computing whether
5131 or not a function is nested.
5132 (lookup_label): Don't call label_rtx.
5133 (init_decl_processing): Add more GC roots.
5134 (start_decl): Add DECL_STMTs to the statement-tree, rather than
5135 calling rest_of_decl_compilation.
5136 (finish_decl): Don't call expand_decl.
5137 (store_parm_decls): Begin the statement-tree, but don't generate
5139 (finish_function): Tie off the statement-tree. Call c_expand_body
5141 (c_expand_body): New function.
5142 (push_c_function_context): Save more information.
5143 (pop_c_function_contxt): Likewise.
5144 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
5145 (lang_mark_tree): Mark it.
5146 (current_stmt_tree): Adjust.
5147 (current_scope_stmt_stack): New function.
5149 (set_current_name_declared): Likewise.
5150 (c_begin_compound_stmt): Define.
5151 (c_expand_decl_stmt): Likewise.
5152 * c-lang.c: Include rtl.h and expr.h.
5153 (lang_init): Set more language-specific hooks.
5154 * c-lex.c: Include expr.h.
5155 * c-parse.in: Changes throughout to add statements to the
5156 statement-tree, rather than generating RTL after every statement.
5157 * c-semantics.c (lang_expand_decl_stmt): Define.
5158 (add_decl_stmt): New function.
5159 (add_scope_stmt): Likewise.
5160 (finish_stmt_tree): Tweak.
5161 (genrtl_expr_stmt): Likewise.
5162 (genrtl_decl_stmt): Handle local labels, and call
5163 lang_expand_decl_stmt if required.
5164 (genrtl_for_stmt): Fix line-number handling.
5165 (genrtl_case_label): Handle cleanups.
5166 (genrtl_asm_stmt): Don't call combine_strings.
5167 (genrtl_compound_stmt): Simplify.
5168 (expand_stmt): Handle SCOPE_STMTs.
5169 * c-tree.h (struct lang_decl): New structure.
5170 (C_DECLARED_LABEL_FLAG): Remove.
5171 (c_begin_compound_stmt): Declare.
5172 (c_expand_decl_stmt): Likewise.
5173 (c_expand_start_case): Rename to c_start_case.
5174 (c_finish_case): New function.
5175 * c-typeck.c (start_init): Tweak setting of
5176 constructor_incremental.
5177 (c_expand_asm_operands): Tweak error-handling. Add to the
5179 (c_expand_return): Add to the statement-tree.
5180 (c_expand_start_case): Rename to ...
5181 (c_start_case): ... this.
5182 (struct c_switch): New type.
5183 (switch_stack): New variable.
5184 (do_case): Simplify.
5185 (c_finish_case): New function.
5186 * dependence.c: Include expr.h.
5187 (enum dependence_type): Change spelling of enumerals.
5188 (check_node_dependence): Adjust.
5189 * expr.h (lang_safe_from_p): Declare.
5190 (safe_from_p): Likewise.
5191 * expr.c (lang_safe_from_p): New variable.
5192 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
5193 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
5194 * toplev.c (rest_of_decl_compilation): Robustify.
5195 * tree.c (contains_placeholder_p): Likewise.
5196 * Makefile.in: Update dependencies.
5197 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
5198 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
5199 (objc_expand_function_end): New function.
5200 (finish_method_def): Use it.
5201 (init_objc): Initialize more language-specific hooks.
5202 * objc/Make-lang.in: Update dependencies.
5204 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
5206 * configure.in: Define macros that affect features before
5207 testing for features. Don't define _XOPEN_SOURCE.
5208 * configure: Regenerated.
5209 * config.in: Regenerated.
5211 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
5213 * rtlanal.c (rtx_varies_p): Volatile asms vary.
5214 (rtx_unstable_p): Restructure code. Volatile asms
5217 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5219 * function.h (no_debugging_symbols): New field.
5220 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
5221 Initialize no_debugging_symbols.
5222 (output_inline_function): Save and restore write_symbols and set from
5223 no_debugging_symbols.
5224 * toplev.c (rest_of_compilation): Call save_for_inline.
5225 * tree.h: Update comment.
5227 * stor-layout.c (place_field): Don't do anything if field or
5228 its type are ERROR_MARK.
5230 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
5232 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
5233 (read_include_file): Ensure inc->mmaped is initialized.
5235 2000-09-16 Richard Henderson <rth@cygnus.com>
5237 * cppiles.c (purge_cache): Use PTR not caddr_t.
5239 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
5241 * gcc.c: In description for %{<S}, say the option removed is -S.
5242 * invoke.texi (Spec Files): Ditto.
5244 2000-09-16 Andreas Jaeger <aj@suse.de>
5246 * configure.in: Always define _GNU_SOURCE to make interfaces
5247 visible that were hidden by only defining _GNU_SOURCE.
5248 * configure: Regenerated.
5250 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
5252 * cpplex.c (push_macro_context): Set an argument's level after
5253 calling parse_args. We could loop infinitely otherwise.
5255 2000-09-15 Tom Tromey <tromey@cygnus.com>
5257 * configure, config.in: Rebuilt.
5258 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
5260 2000-09-15 Greg McGary <greg@mcgary.org>
5262 * cppmacro.c (check_trad_stringification): Check token
5263 text pointers against limit before dereferencing.
5265 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
5267 * c-common.c (format_wanted_type): New structure.
5268 (check_format_types): New function.
5269 (check_format_info): Pass all checking of types of format
5270 arguments, including width and precision arguments, to this new
5273 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5275 * BUGS: Remove file.
5277 2000-09-15 Jakub Jelinek <jakub@redhat.com>
5279 * config/alpha/alpha.c (override_options): ev6 cache latencies
5280 from Richard Henderson. Don't allow -mmemory-latency=L0.
5282 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
5283 (TARGET_OPTIONS): Add tune=.
5284 (alpha_tune_string): Declare.
5285 * config/alpha/alpha.c (override_options): Add cpu_table.
5286 Use alpha_cpu_string first to set both alpha_cpu and target_flags
5287 and then alpha_tune_string to set alpha_cpu only.
5288 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
5289 * config/alpha/elf.h (ASM_FILE_START): Likewise.
5290 * config/alpha/osf.h (ASM_FILE_START): Likewise.
5291 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
5293 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5295 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
5297 (ix86_comparison_operator, ix86_cc_mode): Declare
5298 * i386.h (CCGC, CCGCO): New modes.
5299 (SELECT_CC_MODE): Move offline to ....
5300 * i386.c (ix86_cc_mode): .... here; use new modes.
5301 (ix86_comparison_operator): New.
5302 (fcmov_comparison_operator): Ensure proper mode.
5303 (put_condition_mode): More sanity checking.
5304 (ix86_match_ccmode): Handle new modes.
5305 (ix86_expand_fp_compare): GEU requires CCmode.
5306 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
5308 * i386.md (cmp?i_ccz_1): Remove
5309 (cmp?i_ccno_1): Use ix86_match_ccmode.
5310 (cmp?i_minus_1): New.
5311 (cmpsi_1): New expander.
5312 (cmpqi_ext_1): Use match_ccmode
5313 (cmpqi_ext_3): New expander.
5314 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
5315 (cmpqi_ext_4): Use match_ccmode.
5316 (add?i_?): Use match_ccmode.
5318 (test?i_ccz_1): Remove
5320 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
5321 (testqi_ext_0): Use ix86_match_ccmode.
5322 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
5323 (xorqi_cc_ext_1): New expander.
5324 (shift patterns): Use CCGOCmode for all shifts except for sar.
5325 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
5326 (setcc_3, jcc_3, miv?icc_c): Remove.
5328 2000-09-15 Will Cohen <wcohen@redhat.com>
5330 * dwarf2out.c (add_const_value_attribute): Changed array into a
5331 xmalloced object, so it exists after function exit.
5332 (free_AT): Added case for dw_val_class_float to free allocated
5335 2000-09-15 Kazu Hirata <kazu@hxi.com>
5337 * config/i386/i386.md: Fix a comment typo.
5338 * gcc.c: Fix formatting.
5340 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5342 * optabs.c (emit_libcall_block): If target is a user variable,
5343 copy to a temporary first.
5344 * expr.c (convert_move): When generating a libcall, make a libcall
5346 * calls.c (emit_library_call_value_1): Don't create a libcall
5347 sequence here; our caller will in most cases do it.
5349 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
5351 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
5352 * sh.md (reload_outsf): Generate recognizable patterns for
5354 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
5355 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
5356 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
5357 truncdfsf2_i4): Change not to use explicit references to fpul.
5358 (floatsisf2_ie): Remove USE of fpscr.
5359 (floatsisf2): Change default expansion to match this.
5360 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
5363 2000-09-15 Richard Henderson <rth@cygnus.com>
5365 * expmed.c (store_bit_field): Consider naturally aligned
5366 memory for direct reference.
5368 2000-09-15 Richard Henderson <rth@cygnus.com>
5370 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
5371 AND addresses into alias set 0.
5372 (alpha_expand_unaligned_store): Likewise.
5373 (alpha_expand_unaligned_load_words): Likewise.
5374 (alpha_expand_unaligned_store_words): Likewise.
5376 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5378 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
5379 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
5381 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
5382 rsize of UNITS_PER_WORD.
5384 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
5386 * cpplex.c (ON_REST_ARG): Correct the test.
5387 (maybe_paste_with_next): Duplicate a token that fail pasting,
5388 and clear its PASTE_LEFT flag, so that nested pasting attempts
5391 2000-09-14 Richard Henderson <rth@cygnus.com>
5393 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
5394 * cse.c (rtx_cost): Likewise.
5395 * optabls.c (expand_binop): Likewise.
5396 (expand_twoval_binop, prepare_cmp_insn): Likewise.
5397 * regclass.c (copy_cost): Likewise.
5398 * reload1.c (reload_cse_move2add): Likewise.
5400 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
5402 * c-parse.in (reswords): Add _Complex.
5404 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5406 * gcc.1: Delete documentation for -undef preprocessor option.
5408 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
5410 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5411 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
5412 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5413 Remove undefine before config/elfos.h.
5414 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
5416 2000-09-14 Kazu Hirata <kazu@hxi.com>
5418 * invoke.texi (H8/300 Options): Add -ms2600.
5419 * config/h8300.c (h8300_init_once): Output an error when -ms2600
5420 is used without -ms.
5421 * config/h8300.h (TARGET_MAC): New.
5422 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
5423 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
5424 machine other than H8/S2600.
5425 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
5428 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
5430 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
5431 pseudos that refer to the original pseudos, not only to their
5432 equivalent memory locations.
5434 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5436 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
5437 when making new MEM.
5439 * Makefile.in (LN): Remove duplicate definition.
5441 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5443 From Joern Rennecke:
5444 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
5445 on an insn and function_invariant_p returns nonzero for the source,
5446 add a REG_EQUAL note.
5448 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
5450 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
5451 conflict with frame_pointer_rtx.
5453 2000-09-13 Kazu Hirata <kazu@hxi.com>
5455 * loop.c: Fix formatting.
5458 2000-09-13 Richard Henderson <rth@cygnus.com>
5460 * config/ia64/ia64.md (divsf3): New.
5461 (divsf3_internal_lat, divsf3_internal_thr): New.
5462 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
5463 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
5464 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
5465 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
5466 (nmadddf4_alts, nmadddf4_trunc): New.
5467 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
5468 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
5469 (multf3_truncsf_alts, multf3_truncdf_alts): New.
5470 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
5471 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
5472 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
5473 (nmaddtf4_truncdf_alts): New.
5474 (recip_approx): Don't predicate.
5476 2000-09-13 Richard Henderson <rth@cygnus.com>
5478 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
5480 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5482 * flags.h (flag_dump_rtl_in_asm): Declare.
5483 * toplev.c (flag_dump_rtl_in_asm): Define.
5484 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
5485 if -dP is specified.
5486 * rtl.h (print_rtx_head): Declare.
5487 * print-rtl.c (print_rtx_head): Define.
5488 (print_rtx): Print the string pointed to by print_rtx_head
5489 at beginning of each dump line.
5490 (print_rtl): Likewise.
5491 (print_rtl_single): Likewise.
5492 * final.c (final_scan_insn): Dump the insn in the assembly
5494 * gcc.1: Document -dP option.
5495 * invoke.texi (Debugging Options): Likewise.
5497 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5499 * md.texi (Machine Constraints): Document the 68HC11 constraints.
5500 * install.texi (Configurations): Document the 68HC11&68HC12 port.
5501 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
5503 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
5505 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
5506 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
5507 (*clrstrqi): Likewise.
5508 (xorhi3,xorsi3,absqi2): Likewise.
5509 (one_cmplhi2,one_cmplsi2): Likewise.
5510 (addsi3): Two stupid constraint alternatives removed.
5511 (extendhisi2): Use `movw' for enhanced avr cores.
5512 (zero_extendhisi2): Likewise.
5514 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
5516 * alias.c (find_base_term): Use frame_pointer_rtx
5517 when handling an ADDRESSOF.
5519 * cse.c (canon_hash): Handle USE of BLKmode memory.
5520 (cse_insn): Outgoing arguments for a libcall don't
5521 affect any recorded expressions.
5523 2000-09-12 Tom Tromey <tromey@cygnus.com>
5525 * configure, config.in: Rebuilt.
5526 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
5528 2000-09-12 Jakub Jelinek <jakub@redhat.com>
5530 * c-lex.c (lex_string): Use charwidth to compute bytemask.
5531 * expr.c (expand_expr): Don't optimize constant array references
5532 initialized with wide string constants.
5534 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5536 * loop.c (note_set_pseudo_multiple_uses): Correct.
5538 2000-09-12 Jim Wilson <wilson@cygnus.com>
5540 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
5541 else block, and X has side-effects, then fail.
5543 2000-09-12 Greg McGary <greg@mcgary.org>
5545 * config/mips/mips-protos.h
5546 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
5547 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
5548 (PREDICATE_CODES): Add "trap_cmp_op".
5549 * config/mips/mips.c
5550 (trap_cmp_op, mips_gen_conditional_trap): New functions.
5551 * config/mips/mips.md (trap, conditional_trap): New patterns.
5553 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5555 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
5558 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5560 * builtins.c (built_in_decls): New array.
5561 (expand_builtin_fputs): New function.
5562 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
5564 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
5566 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
5568 * tree.h (built_in_decls): New array.
5570 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
5572 * convex.md: Use "+" instead of "=" for outputs wrapped in a
5574 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
5576 2000-09-12 Kazu Hirata <kazu@hxi.com>
5578 * haifa-sched.c: Fix formatting.
5580 * genattrtab.c: Fix formatting.
5582 * unroll.c: Fix formatting.
5584 2000-09-12 Bruce Korb <bkorb@gnu.org>
5586 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
5587 remove obsolete code
5588 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
5589 * fixinc/fixincl.tpl: make non-exported arrays static scope
5590 * fixinc/fixincl.x: regenerate
5591 * fixinc/fixlib.h: Use PARAMS, not _P_
5592 * fixinc/fixtests.c: make a type for the test proc & use it
5593 * fixinc/server.h: Use PARAMS, not _P_
5595 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5597 * c-typeck.c (process_init_element): Avoid union init warnings on
5598 floating point zero. Don't crash on unions containing structs.
5600 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
5602 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
5603 general_movsrc_operand, and remove CONST_INT from
5604 general_movdst_operand.
5606 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5608 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
5609 if a reference to non-fixed hardreg is seen. Otherwise, count hard
5610 regs with a higher cost.
5611 (preferrable): Deal with cases where either cost or regcost is
5613 (cse_insn): Use MAX_COST rather than 10000. Always initialize
5615 (COSTS_N_INSNS): Move definition...
5617 (MAX_COST): New macro.
5618 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
5621 2000-09-11 Mark Mitchell <mark@codesourcery.com>
5623 * c-common.h (genrtl_clear_out_block): Remove.
5624 * c-semantics.c (genrtl_clear_out_block): Remove.
5625 (genrtl_while_stmt): Don't call it.
5626 (genrtl_for_stmt): Likewise.
5628 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5630 * cppfiles.c: Move all default-#defines to top of file.
5631 (open_include_file): Replace by lookup_include_file.
5632 (read_with_read, read_file): Merged into read_include_file.
5633 (stack_include_file, purge_cache): New functions.
5634 (close_cached_fd): Delete.
5635 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
5636 Cache the in-memory buffer, not the file descriptor.
5638 * cpphash.h (struct include_file): Add buffer, st, refcnt,
5640 (xcnew): New utility macro.
5641 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
5642 * cpplib.h (struct cpp_buffer): Remove mapped field.
5644 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5646 * cpplex.c (parse_string): Accept backslash space newline as a
5648 (lex_line): Likewise.
5649 (_cpp_get_token): Remove hard limit on macro nesting.
5651 2000-09-12 Philipp Thomas <pthomas@suse.de>
5653 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
5654 * configure: Rebuilt.
5656 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5658 * flow.c (split_block): Fix update of registers live at
5661 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5663 * i386.md (add?i_3, add?i_5): New.
5664 (add?i_4): Rename from add?i_3; Fix compare pattern.
5665 (sub?i_3, xor?i_3, ior?i_3): New.
5667 * genrecog.c (write_tree): Output code to clear insn_extract cache.
5668 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
5669 instead of extract_insn and extract_constrain_insn_cache instead of
5670 extract_insn and constrain_operands.
5671 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
5673 (extract_insn): Clear which_alternative.
5674 (constrain_operands): Set which_alternative to -1 when failed.
5675 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
5678 2000-09-11 Matthew Hiller <hiller@redhat.com>
5680 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
5681 on operand 0 to '+'.
5682 (movstricthi): Likewise.
5684 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5686 * loop.h (LOOP_IVS): New macro.
5687 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
5688 (struct loop_ivs): New.
5689 (struct loop_info): Add ivs field.
5690 (reg_iv_type, reg_iv_info): Delete prototype.
5691 (reg_biv_class, loop_iv_list): Likewise.
5692 * loop.c (record_biv, find_life_end): Pass loop argument.
5693 (reg_iv_type): Remove global array and use
5694 field in loop_regs structure within loop_ivs structure.
5695 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
5696 (first_increment_giv, last_increment_giv): Use entry in
5698 (record_initial): Pass ivs pointer.
5699 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
5701 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5703 * loop.h (LOOP_REGS): New macro.
5704 (struct loop_regs): New.
5705 (struct loop_info): Add regs field.
5706 * loop.c (set_in_loop): Remove global array and store
5707 in loop_regs structure as part of loop_info structure.
5708 (n_times_set, may_not_optimize): Likewise.
5709 (reg_single_usage, moved_once): Likewise.
5710 (count_one_set): Add regs argument.
5711 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
5712 (set_pseudo_multiple_uses): Pass regs pointer.
5714 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5716 * unroll.c (iteration_info): Subsume into loop_iterations.
5717 * loop.h (loop_info): New field iv.
5719 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5721 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
5722 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
5723 (flow_loops_update): New prototype.
5724 (flow_loops_find): Add flags to prototype.
5725 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
5726 * flow.c (flow_loop_pre_header_scan): New.
5727 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
5728 (flow_loop_free): Free pre-header root and trace and exit dominators.
5729 (flow_loops_find): New argument flags.
5730 (flow_loops_update): New function.
5731 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
5733 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5735 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
5736 * flow.c (split_block, update_bb_for_insn): New functions.
5738 2000-09-11 Richard Henderson <rth@cygnus.com>
5740 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
5742 2000-09-11 Richard Henderson <rth@cygnus.com>
5744 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
5745 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
5746 (ia64_override_options): Prevent optimizing division for both
5747 latency and throughput.
5748 (rtx_needs_barrier): Handle frcpa.
5749 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
5750 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
5751 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
5752 (TARGET_SWITCHES): Add -minline-divide-min-latency and
5753 -minline-divide-max-throughput.
5754 (PREDICATE_CODES): Update.
5755 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
5756 (zero_extendsidi2): Likewise. Fix typo in f case insn.
5757 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
5758 (extendsftf2): Likewise.
5759 (extenddftf2): Likewise.
5760 (fix_trunctfdi2_alts): New.
5761 (fixuns_trunctfdi2_alts): New.
5762 (madd*4): Rename from madd*3.
5763 (divsi3, modsi3, udivsi3, umodsi3): New.
5764 (divsi3_internal): New.
5765 (divdi3, moddi3, udivdi3, umoddi3): New.
5766 (divdi3_internal_lat, divdi3_internal_thr): New.
5767 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
5768 (recip_approx): New.
5770 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
5772 * print-rtl.c (debug_call_placeholder_verbose): New variable.
5773 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
5775 * integrate.c (copy_rtx_and_substitute): Don't share
5776 LEAF_REG_REMAPpable registers with the inlined function. Don't
5777 share the function value with calling sequences.
5779 2000-09-11 Jakub Jelinek <jakub@redhat.com>
5781 * c-decl.c (do_case): Fix a typo.
5783 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
5784 to a if the comparison is floating mode and not -ffast-math.
5785 * simplify-rtx.c (simplify_ternary_operation): Likewise.
5787 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5789 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
5790 gen_ic_invalidate_line.
5792 2000-09-11 Philip Blundell <pb@futuretv.com>
5794 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
5796 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
5798 * install.texi (LANGUAGES): Update to include new languages.
5801 2000-09-11 DJ Delorie <dj@redhat.com>
5803 * gcc.c (main): Don't warn about unused -B prefixes
5804 (unused_prefix_warnings): remove
5806 2000-09-11 Kazu Hirata <kazu@hxi.com>
5808 * final.c: Fix formatting.
5810 * integrate.c: Fix formatting.
5812 2000-09-11 Geoff Keating <geoffk@cygnus.com>
5814 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
5816 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
5818 * reload.c (regno_clobbered_p): Fix thinko in previous change.
5820 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5822 * gcc.1: Document 68hc11 specific options.
5824 2000-09-10 Geoff Keating <geoffk@cygnus.com>
5826 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
5827 (TARGET_LONG_DOUBLE_128): Define.
5828 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
5829 (LONG_DOUBLE_TYPE_SIZE): Redefine.
5830 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5831 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
5832 of __LONG_DOUBLE_128__.
5833 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
5835 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
5836 (CPP_SYSV_DEFAULT_SPEC): Define.
5837 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
5838 (INIT_TARGET_OPTABS): Define.
5840 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
5841 (RS6000_UITRUNC): Likewise.
5842 (INIT_TARGET_OPTABS): New macro.
5843 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
5844 (trunc_defined): Delete.
5845 (output_prolog): Don't output .extern definitions for fp->int
5846 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
5847 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
5848 (trunc_defined): Delete.
5849 (RS6000_ITRUNC): Moved to aix.h.
5850 (RS6000_UITRUNC): Likewise.
5851 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
5852 only emit a libcall.
5853 (fixuns_truncdfsi2): Delete.
5854 (trunc_call): Delete.
5855 (trunc_call_rtl): Delete.
5857 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5859 * varasm.c (make_decl_rtl): Restore leading star on
5860 DECL_ASSEMBLER_NAME set for decls with an asmspec.
5862 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5864 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
5865 won't give a spurious error for '#pragma pack()'. Simplify
5866 control flow for readability. 'reset' action is not necessary.
5868 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5870 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
5871 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
5872 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
5873 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
5875 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
5876 profile.c, sdbout.c, tradcif.y, tree.c:
5877 Include defaults.h if not already included.
5878 Don't define the above macros.
5880 * Makefile.in: Update dependencies.
5882 2000-09-10 Mark Mitchell <mark@codesourcery.com>
5884 * c-common.h (add_stmt): Change prototype.
5885 (RECHAIN_STMTS): New macro.
5886 (CASE_LABEL_DECL): Likewise.
5887 (genrtl_case_label): Change prototype.
5888 (c_expand_start_case): Remove prototype.
5889 (build_case_label): Change prototype.
5890 (decl_constant_value): Declare.
5891 * c-common.c (check_case_value): Handle C++'s extensions to C
5893 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
5895 * c-parse.in (stmt): Adjust handling of return statements and case
5897 * c-semantics.c (add_stmt): Return the new statement.
5898 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
5899 returned expression. Directly generate RTL, rather than calling
5901 (genrtl_switch_stmt): Don't call c_expand_start_case.
5902 (build_case_label): Take the LABEL_DECL as input, too.
5903 (genrtl_case_label): Just call add_case_node.
5904 (expand_stmt): Adjust calls to genrtl_return_stmt and
5906 * c-tree.h (c_expand_start_case): Declare.
5907 * c-typeck.c (decl_constant_value): Give it external linkage.
5908 (c_expand_return): Don't call expand_return or expand_null_return;
5909 use genrtl_return_stmt instead.
5910 * stmt.c (struct nesting): Remove num_ranges field.
5911 (add_case_node): Give it external linkage.
5912 (expand_start_case): Don't set num_ranges.
5913 (expand_start_case_dummy): Don't clear it.
5914 (pushcase): Rely on add_case_node to handle `default' labels.
5915 (add_case_node): Handle `default' labels.
5916 * tree.c (tree_int_cst_compare): New function.
5917 * tree.h (tree_int_cst_compare): Declare.
5918 (add_case_node): Likewise.
5920 2000-09-10 Richard Henderson <rth@cygnus.com>
5922 * c-parse.in: Revert last change.
5923 (init_reswords): Do not enter disabled keywords into the ridpointers
5924 table, modulo objc weirdness.
5925 (_yylex): Return the canonical spelling for a keyword.
5927 2000-09-10 Philip Blundell <philb@gnu.org>
5929 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
5930 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
5932 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
5934 * alias.c (find_base_term): Handle ADDRESSOF.
5935 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
5937 2000-09-10 Denis Chertykov <denisc@overta.ru>
5939 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
5940 outputting templates with many lines.
5942 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5944 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
5945 to decide whether 64-bit support must be generated.
5947 2000-09-10 Richard Henderson <rth@cygnus.com>
5949 * c-parse.in (asm patterns): Fix volatile check.
5951 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5953 * cppmacro.c (check_trad_stringification): New function.
5954 (save_expansion): If -Wtraditional, warn about stringification of
5957 2000-09-11 Michael Hayes <mhayes@cygnus.com>
5959 * loop.h (struct loop_mem_info): Move from loop.c
5960 (struct loop_info): Add fields store_mems, mems, mems_idx,
5961 mems_allocated, unknown_address_altered,
5962 unknown_constant_address_altered, num_mem_sets, and
5963 first_loop_store_insn.
5965 * loop.c (loop_store_mems): Replace with field in loop_info struct.
5966 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
5967 (unknown_address_altered, unknown_constant_address_altered): Likewise.
5968 (num_mem_sets): Likewise.
5969 (replace_loop_mems, replace_loop_regs): New.
5970 (struct loop_replace_args): New.
5971 (load_mems): Use replace_loop_mems.
5972 (try_copy_prop): Use replace_loop_regs.
5973 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
5975 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5977 * configure.in: Recognize m6811-elf and m6812-elf.
5978 * configure: Regenerate.
5980 2000-09-09 Geoff Keating <geoffk@cygnus.com>
5982 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
5985 2000-09-10 Michael Hayes <mhayes@cygnus.com>
5987 * loop.c (struct movables): New.
5988 (num_movables): Move into struct movables.
5989 (the_movables): Change type to struct movables.
5990 (ignore_some_movables): Change struct movable arg to struct movables.
5991 (force_movables, combine_movables, regs_match_p): Likewise.
5992 (rtx_equal_for_loop_p, move_movables): Likewise.
5993 (scan_loop): Change movables to be of type struct movables.
5994 Replace last_movable with field in movables structure.
5996 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
5998 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
5999 (init_pragma): Avoid warning if pfile happens to be unused.
6000 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
6001 define init_pragma to nothing. Always prototype
6002 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
6004 * c-lex.c (process_directive): Always call dispatch_pragma.
6005 Initialize entering_c_header to 0.
6007 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6009 * config/m68hc11/m68hc11.md: New file, machine description for
6011 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
6012 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
6013 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
6014 * config/m68hc11/m68hc11-protos.h: New file.
6015 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
6016 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
6017 * config/m68hc11/xm-m68hc11.h: New file, target defs.
6018 * config/m68hc11/larith.asm: New file, libgcc routines.
6020 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6022 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
6023 (FPBIT_FUNCS): Add _usi_to_sf.
6024 * config/fp-bit.c (usi_to_float): New function.
6025 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
6026 (usi_to_float): Add appropriate #define.
6028 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6030 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
6032 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
6033 * i386.md (attr "type"): Add sse and mmx types.
6034 (attr "memory"): Handle them without a crash.
6035 (movsi_1, movdi_2): Allow MMX regs.
6036 (movdi splits): Don't split moves involving MMX regs.
6037 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
6038 (movv4sf_internal, movv4si_internal, movv8qi_internal,
6039 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
6040 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
6041 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
6042 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
6043 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
6044 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
6045 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
6046 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
6047 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
6048 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6049 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6050 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
6051 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
6052 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6053 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6054 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
6055 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
6056 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
6057 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
6058 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
6059 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6060 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6061 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
6062 mmx_clrdi): New patterns.
6064 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
6066 * arm.c: Don't include tm.h directly.
6068 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
6070 * recog.c (validate_replace_rtx_1): Fix confusion about equality
6071 testing; simplify subregs of constants and nested subregs.
6073 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
6075 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
6077 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6079 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
6081 * rtl.texi (description of USE): Add note about possible pitfalls
6083 From Richard Henderson:
6084 * reload1.c (choose_reload_regs): Compute need_mode properly.
6086 2000-09-07 Richard Henderson <rth@cygnus.com>
6088 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6089 (__modsi3, __umodsi3): Likewise.
6090 (__udivsi3): Likewise. Normalize the TFmode values.
6092 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6094 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6096 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6099 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6101 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
6102 (cmpeqdi_t): Add output pattern.
6103 (cmpeqdi_t+1): Don't split when not optimizing.
6104 Restore proper splitting operation.
6106 2000-09-07 Richard Henderson <rth@cygnus.com>
6108 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
6109 do not call dispatch_pragma.
6111 2000-09-07 Jim Wilson <wilson@cygnus.com>
6113 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
6114 to CLASS_CANNOT_CHANGE_MODE.
6115 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
6116 mode classes are different.
6118 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6120 * cpplib.h (struct cpp_options): Add user_label_prefix member,
6121 left out of commit which removed cppulp.c.
6123 2000-09-07 Richard Henderson <rth@cygnus.com>
6125 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
6126 after switch for CASE_DROPS_THROUGH.
6128 2000-09-07 Richard Henderson <rth@cygnus.com>
6130 * loop.c (strength_reduce): Call check_ext_dependant_givs.
6131 Properly extend the biv initial value for the giv.
6132 (record_biv): Zero ext_dependant.
6133 (record_giv): New argument ext_val. Update all callers.
6134 (general_induction_var): Likewise.
6135 (consec_sets_giv): Likewise.
6136 (simplify_giv_expr): Likewise. Fill in ext_val if we find
6137 a sign-extend, zero-extend, or truncate.
6138 (combine_givs_p): Make sure modes are compatible.
6139 (check_ext_dependant_givs): New.
6140 (extend_value_for_giv): New.
6141 * loop.h (struct induction): Add ext_dependant.
6142 * unroll.c (iteration_info): Extend the biv initial value for the giv.
6143 (find_splittable_givs): Likewise.
6144 (final_giv_value): Likewise.
6146 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6148 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
6149 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
6150 definitions from cpplib.h.
6151 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
6153 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
6154 documentation for REGISTER_TARGET_PRAGMAS.
6156 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
6157 default-pragma callback to implement -Wunknown-pragmas if
6159 * c-parse.in: Move all includes to top of file.
6160 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
6162 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
6164 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
6166 * arm.h, arm-protos.h, arm.c,
6167 c4x.h, c4x-protos.h, c4x.c,
6168 h8300.h, h8300-protos.h, h8300.c,
6169 i370.h, i370-protos.h, i370.c,
6170 i960.h, i960-protos.h, i960.c,
6171 sh.h, sh-protos.h, sh.c,
6172 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
6173 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
6175 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
6176 multiple include guard.
6177 * i370.md (untyped_call): Use GEN_CALL.
6178 (umodsi3): Remove unused variable.
6179 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
6180 * v850.c (output_move_single, output_move_double): Constify
6182 (print_operand): Constify a char *.
6183 * v850.h (struct small_memory_info): Constify name member.
6185 2000-09-07 Kazu Hirata <kazu@hxi.com>
6187 * config/h8300.h: Fix comment typos.
6188 * config/h8300/h8300.md: Likewise.
6189 * config/h8300/lib1funcs.asm: Likewise.
6191 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
6193 * Makefile.in: Remove references to cppulp.{c,o}.
6194 * cppinit.c (initialize_builtins, cpp_start_read,
6195 cpp_handle_option): Update to use cpp_options structure.
6198 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
6200 * c-common.c (time_char_table): Allow %#b and %#h.
6202 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6204 * reorg.c (find_end_label): If the basic block reorder pass moves the
6205 return insn to some other place try to locate it again and put our
6206 end_of_function_label there.
6207 * reorg.c (relax_delay_slots): Check if find_end_label created a
6208 new label that invalidates the current optimazation.
6210 2000-09-07 Catherine Moore <clm@redhat.com>
6212 * unroll.c (unroll_loop): Check for unconditional jumps
6213 to loop continuation. Delete if n_iterations is 1.
6214 (ujump_to_loop_cont): New routine.
6216 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
6218 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
6220 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
6221 to handle multiword modes correctly. All callers and the declaration
6224 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6226 * c-common.h (prep_stmt): Declare.
6227 (lang_expand_stmt): Likewise.
6228 * c-decl.c (lang_expand_stmt): Remove.
6229 * c-semantics.c (lang_expand_stmt): Define.
6230 (prep_stmt): New function.
6231 (expand_stmt): Handle common statement types here.
6233 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
6235 * configure.in (sh-*-linux*): Added.
6236 * configure: Rebuilt.
6237 * config/sh/t-linux: New file.
6238 * config/sh/sh.h (USERMODE_BIT): Define.
6239 (TARGET_USERMODE): Likewise.
6240 (TARGET_SWITCHES): New switches for the bits above.
6241 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
6242 * config/sh/linux.h: New file.
6243 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
6244 underscore on linux.
6245 (L_sdivsi3, L_udivsi3): Define for linux.
6246 (L_ic_invalidate): Define.
6247 * invoke.texi (SH Options): Document -musermode.
6249 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
6251 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
6252 CSE unless generating PIC.
6254 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
6257 2000-09-06 H.J. Lu (hjl@gnu.org)
6259 * Makefile.in (clean_s1): Depend on stage_b.
6260 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
6261 stage2. They are used for "make compare".
6263 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6265 Move statement-tree facilities from C++ to C front-end.
6266 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
6267 (void_zero_node): New macro.
6268 (struct stmt_tree_s): New type.
6269 (stmt_tree): New typedef.
6270 (struct language_function): New type.
6271 (last_tree): New macro.
6272 (last_expr_type): Likewise.
6273 (walk_tree_fn): New typedef.
6274 (current_stmt_tree): New function.
6275 (begin_stmt_tree): Likewise.
6276 (add_stmt): Likewise.
6277 (finish_stmt_tree): Likewise.
6278 (statement_code_p): Likewise.
6279 (lang_statement_code_p): New variable.
6280 (walk_stmt_tree): New function.
6281 (STMT_IS_FULL_EXPR_P): New macro.
6282 * c-common.c (lang_statement_code_p): New variable.
6283 (c_common_nodes_and_builtins): Initialize void_zero_node.
6284 (statement_code_p): New function.
6285 (walk_stmt_tree): Likewise.
6286 * c-decl.c (language_function): Rename to ...
6287 (c_language_function): ... this. Include language_function.
6288 (push_c_function_context): Adjust accordingly.
6289 (pop_c_function_context): Likewise.
6290 (mark_c_function_context): Likewise.
6291 (current_stmt_tree): Define.
6292 * c-semantics.c (begin_stmt_tree): New function.
6293 (add_stmt): Likewise.
6294 (prune_unused_decls): Likewise.
6295 (finish_stmt_tree): Likewise.
6297 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6299 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
6301 2000-09-06 Kazu Hirata <kazu@hxi.com>
6303 * calls.c: Fix formatting.
6305 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
6307 * config/i386/i386.h (ADDRESS_COST): Fix typo.
6309 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6311 Integrated preprocessor.
6313 * Makefile.in: Remove all references to c-parse.gperf,
6314 c-gperf.h, and c-parse.h. Remove -d from yacc command line
6315 generating c-parse.c. Update dependencies.
6316 * c-parse.gperf, c-gperf.h: Delete.
6318 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
6319 yy_lim, or yy_get_token. Don't define get_directive_line if
6321 * c-common.h: Add multiple include guard. Define RID values
6322 for every keyword in C, C++, and Objective C. Put all the
6324 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
6325 * c-decl.c (c_decode_option): Handle -lang-objc here.
6326 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
6327 (grokdeclarator): Adjust for new RID scheme.
6328 (extract_interface_info): New stub.
6329 * c-lang.c: Don't declare yy_cur or parse_options.
6330 (lang_init_options): Call cpp_init. Don't call
6332 (lang_init): Don't call check_newline if USE_CPPLIB.
6334 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
6335 Elide lots of unnecessary code if USE_CPPLIB. Delete code
6336 rendered unnecessary by new architecture. Move routines not
6337 shared with C++ to c-parse.in. Maintain a local idea of the
6338 line number. Handle C++ as well as C.
6339 [USE_CPPLIB]: Declare and register callbacks for #ident and
6340 for entering/leaving files.
6341 (init_c_lex, c_lex): Are now the entry points to this file.
6342 (check_newline): Break out directive handling to
6344 (read_ucs, is_extended_char, utf8_extend_token): Moved here
6346 (readescape, parse_float): Overhaul.
6347 (lex_number, lex_string, lex_charconst): Break out of c_lex
6349 (get_fileinfo, update_header_times, dump_one_header,
6350 dump_time_statistics): New and/or moved here from C++.
6351 Support per-file data needed by C++ and per-header timing
6352 statistics (C++ only, at the moment).
6353 * c-lex.h: Update prototypes. Add multiple include guard.
6354 * c-tree.h (struct lang_identifier): Add rid_code field.
6355 (C_IS_RESERVED_WORD, C_RID_CODE): New.
6357 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
6358 reinit_parse_for_function and/or position_after_white_space.
6359 (save_filename, save_lineno): Look ahead before saving.
6360 (label -> identifier ':'): Save file and line before shifting ':'.
6361 (reservedwords): No need to call get_identifier.
6362 (init_parse, finish_parse, yyerror, yylex, yyprint,
6363 make_pointer_declarator): Are now here for C/ObjC.
6364 (rid_to_yy): Conversion table from RID constants to Yacc codes.
6366 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
6367 #pragma registry. Provide dummy implementation of that
6368 interface if !USE_CPPLIB.
6369 * c-pragma.h: Update to match.
6371 * flags.h: Add multiple include guard.
6372 (flag_detailed_statistics): Moved here from C++.
6373 * toplev.c: Define flag_detailed_statistics.
6375 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
6377 * timevar.def (TV_CPP, TV_LEX): New.
6378 * timevar.h: Add multiple include guard.
6380 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
6382 * objc/objc-act.c: Don't mention yy_cur or parse_options.
6383 Initialize cpplib properly. Force lineno to 0 after first
6384 call to check_newline. Don't handle -lang-objc here.
6385 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
6387 2000-09-06 David Edelsohn <edelsohn@gnu.org>
6389 * rs6000.md: Correct function unit definitions for cr_logical and
6391 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
6392 and use portable method for >=0 and floating point >=. Remove
6393 associated matchers.
6395 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6397 * extend.texi: Mark named return value extension as deprecated.
6399 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6401 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
6404 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
6406 * toplev.c (display_help): Fix thinko in documentation.
6408 * diagnostic.h (output_buffer::indent_skip): New fields.
6409 (output_indentation): New macro.
6411 * diagnostic.c (output_indent): New function.
6412 (output_set_prefix, clear_diagnostic_info): Use.
6413 (output_emit_prefix): Predict future indentation.
6415 2000-09-06 DJ Delorie <dj@redhat.com>
6417 * Makefile.in (stage_*): add more dependencies to ensure parallel
6418 builds build correctly
6420 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
6422 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
6423 not bootstrap-lean_f.
6425 2000-09-06 Andreas Schwab <schwab@suse.de>
6427 * mklibgcc.in: Emit rule for libgcc-stage-start.
6428 * Makefile.in (stage1-start, stage2-start, stage3-start,
6429 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
6431 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
6433 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
6434 (update_equiv_regs): Likewise, except for the mn10200 kludge.
6435 (combine_regs): Likewise.
6437 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
6438 * cse.c: Include "basic-block.h".
6439 (struct table_elt): New field REGCOST.
6440 (CHEAP_REG): Delete macro.
6441 (COST): Return 0 for REGs.
6442 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
6443 (notreg_cost): Return 0 for appropriate SUBREGs.
6444 (COSTS_N_INSNS): Return N * 2.
6445 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
6447 (CHEAPER): Use new function preferrable.
6448 (insert): Initialize REGCOST member.
6449 (find_best_addr): Use approx_reg_cost for estimation of register
6451 (cse_insn): Likewise.
6452 * loop.c (iv_add_mult_cost): New function.
6453 (add_cost, shift_cost, mult_cost): Delete variables.
6454 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
6455 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
6456 Make code that detects autoinc opportunities slightly less optimistic.
6457 (simplify_giv_expr): If expression contains other reg that is also a
6458 giv, only increment benefit if this is the only use of that reg.
6459 (consec_sets_giv): Take that change into account.
6460 (combine_givs): Slightly more verbose output.
6462 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
6463 not the cost of an equivalent shift.
6464 * sh-protos.h (addsubcosts): Declare.
6465 * sh.c (addsubcosts): New function.
6466 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
6467 (RTX_COSTS): Tweak. Use addsubcosts.
6468 (ADDRESS_COST): Return higher cost for reg+reg addressing.
6470 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6472 * config/rs6000/rs6000.c (validate_condition_mode): New function.
6473 (branch_comparison_operator): Call validate_condition_mode to
6474 abort rather than returning 0.
6475 (branch_positive_comparison_operator): New function.
6476 (scc_comparison_operator): Call validate_condition_mode to abort
6477 rather than returning 0.
6478 (ccr_bit): Call validate_condition_mode. Update for
6480 (print_operand): Delete %C modifier. Update %E case
6481 to use EQ bit not SO bit.
6482 (rs6000_reverse_condition): New function.
6483 (rs6000_generate_compare): New function.
6484 (rs6000_emit_sCOND): New function.
6485 (rs6000_emit_cbranch): New function.
6486 (output_cbranch): The length of a long branch insn is
6487 now only 8 bytes. Add validate_condition_mode. Use
6488 rs6000_reverse_condition. Remove cror generation.
6490 * config/rs6000/rs6000.h: Update comments.
6491 (PREDICATE_CODES): Add new predicate. Update codes used
6492 by branch_comparison_operator and scc_comparison_operator.
6493 * config/rs6000/rs6000-protos.h: Add prototypes for
6494 new external functions.
6495 * config/rs6000/rs6000.md: Add new scheduling parameters
6496 for cr_logical instructions. Change length of branch
6498 (bCOND patterns): Call rs6000_emit_cbranch.
6499 (sCOND patterns): Call rs6000_emit_sCOND.
6500 (branch patterns): Change lengths to 4.
6501 (cr logical patterns): New.
6503 2000-09-06 Richard Henderson <rth@cygnus.com>
6505 * config/i386/i386.md (call_pop): Fix test for setting
6506 current_function_uses_pic_offset_table.
6507 (call, call_value_pop, call_value): Likewise.
6509 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6511 * timevar.c (timevar_add): Delete.
6512 (timevar_get): Also count time since the selected timer was
6513 last updated. Do not examine the timevar stack if the
6514 selected timer is standalone.
6516 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6518 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
6520 2000-09-05 Jason Merrill <jason@redhat.com>
6522 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
6523 for 'extern' arrays.
6525 2000-09-05 Richard Henderson <rth@cygnus.com>
6527 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
6528 Eliminate final copy from non-trapping case.
6529 (__divdf3, __divsf3): Likewise.
6531 2000-09-05 Richard Henderson <rth@cygnus.com>
6533 * config/ia64/ia64.md (mulhi3): Fix typo last change.
6534 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
6536 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
6538 * Makefile.in: Restructure bootstrap stages to allow clean
6539 restart after failure.
6541 2000-09-05 Richard Henderson <rth@cygnus.com>
6543 * config/ia64.md (movsi and movdi patterns): Allow moves from
6544 8-bit constants to AR registers.
6546 2000-09-05 Richard Henderson <rth@cygnus.com>
6548 * config/ia64/ia64.md (mulhi3): New.
6550 2000-09-05 Richard Henderson <rth@cygnus.com>
6552 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
6553 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
6554 Optimization Guide, minimum latency alternative.
6555 (__moddi3, __udivdi3, __umoddi3): Likewise.
6556 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
6558 2000-09-05 Bruce Korb <bkorb@gnu.org>
6560 * fixinc/fixincl.c (load_file): always read header files
6561 with sizes that are a multiple of the page size.
6562 & use libiberty's getpagesize for determining that.
6564 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
6566 * gcse.c (hash_string_1): Add prototype.
6567 * cse.c (canon_hash_string): Likewise.
6569 2000-09-04 Craig Newell <CraigN@ieee.org>
6571 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
6573 2000-09-04 Andreas Schwab <schwab@suse.de>
6575 * Makefile.in (STAGESTUFF): Remove libgcc.
6576 (stage1-start, stage2-start, stage3-start): Copy the contents of
6577 the libgcc directory explicitly.
6578 (mostlyclean): Clean libgcc.
6580 2000-09-04 Andrew Haley <aph@redhat.com>
6582 * dwarf2out.c: (stack_adjust_offset): New prototype.
6584 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
6586 * combine.c (make_extraction): Fix rtx_cost comparison to
6589 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
6591 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
6592 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
6593 Add '*' to insn pattern name.
6595 2000-09-04 Jakub Jelinek <jakub@redhat.com>
6597 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
6598 use posn - 1 to index into tokens array.
6599 (maybe_paste_with_next): Adjust caller.
6601 2000-09-03 Geoff Keating <geoffk@cygnus.com>
6603 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
6605 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
6606 (REGNO_REG_CLASS): Use symbolic register
6609 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
6611 * arm.c (final_prescan_insn): If the form of a jump insn isn't
6612 recognized, don't try to conditionally execute it.
6614 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
6616 * config/avr/avr.md ("*tablejump_lib"): New pattern.
6617 (call_value_insn): Right length claculation.
6618 (call_insn): Likewise.
6620 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
6622 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
6623 gas_output_limited_string, gas_output_ascii, output_movqi,
6624 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
6625 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
6626 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
6627 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
6628 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
6629 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
6630 Add "const" as needed to remove warnings.
6632 * config/avr/avr.c (avr_override_options, avr_init_once,
6633 function_prologue, function_epilogue, frame_pointer_required_p,
6634 class_likely_spilled_p, order_regs_for_local_alloc,
6635 avr_address_cost, avr_ret_register): Use K&R style arguments.
6636 (initial_elimination_offset, gas_output_limited_string):
6637 Remove ATTRIBUTE_UNUSED from the used arguments.
6638 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
6639 Use local variables src, dest, base to access operands[].
6640 Rename reg_dest to reg_src if that's what it is.
6641 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
6642 constants to LD_REGS if reg_was_0.
6643 (output_reload_insisf): Change arg 3 to insn length and set it.
6644 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
6645 access to 16-bit I/O register pairs.
6646 (avr_address_cost): Lower cost for the above case.
6647 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
6648 may be clobbered, also for LD_REGS.
6649 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
6652 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
6654 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
6655 macro to test_hard_reg_class function.
6656 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
6657 for loading immediate constants to LD_REGS.
6658 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
6661 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
6663 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
6664 * config/avr/libgcc.S: Lost part of the previous patch.
6666 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6668 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
6669 object before calling pthread_mutex_init.
6671 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
6673 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
6674 config/sh/crtn.asm: New files.
6675 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
6676 (crt1.o, crti.o, crtn.o): New targets.
6677 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
6679 * configure: Rebuilt.
6680 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6681 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
6682 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6683 Undefine for config/elfos.h to redefine.
6684 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
6686 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6688 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
6689 legitimize_pic_address, output_pic_addr_const): Declare.
6690 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
6691 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
6692 (TARGET_SWITCHES): New switch -mprefergot.
6693 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
6694 (PIC_OFFSET_TABLE_REGNUM): Define.
6695 (GOT_SYMBOL_TABLE): Likewise.
6696 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
6697 (ENCODE_SECTION_INFO): Define.
6698 (FINALIZE_PIC): New macros.
6699 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
6700 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
6701 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
6702 (prepare_move_operands): Call emit_pic_move or
6703 emit_pic_const_move if appropriate.
6704 (output_far_jump): For PIC, use braf and output long offset.
6705 (machine_dependent_reorg):
6706 (sh_expand_prologue): Save and initialize the PIC register.
6707 (sh_expand_epilogue): Restore it.
6708 (initial_elimination_offset): Account for it.
6709 (nonpic_symbol_mentioned_p): New function.
6710 (legitimize_pic_address): Likewise.
6711 (output_pic_addr_const): Likewise.
6712 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
6713 (call, call_value): Use them.
6714 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
6715 symPLT_label2reg): New expands.
6716 * invoke.texi (SH Options): Document -mprefergot.
6718 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
6720 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
6721 * gcse.c (hash_string_1): New function.
6722 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
6723 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
6724 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
6725 (canon_hash_string): New function.
6726 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
6727 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
6728 (fold_rtx): Use ASM_OPERANDS accessor macros.
6729 * emit-rtl.c (copy_insn_1): Likewise.
6730 * integrate.c (copy_rtx_and_substitute): Likewise.
6731 * stmt.c (expand_asm_operands): Likewise. Give an
6732 ASM_OPERANDS rtx the mode of the output reg being set from it.
6734 2000-09-01 Fred Fish <fnf@be.com>
6736 * fix-header.c (write_rbrac): Add putc and getc to list of
6737 functions to protect against prior definition as a macro.
6739 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
6741 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
6742 (c_size_type_node): Define.
6743 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
6744 * c-common.c (enum format_lengths, enum format_std_version,
6745 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
6746 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
6747 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
6748 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
6749 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
6750 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
6751 format_types): Define.
6752 (format_char_info, print_char_table, scan_char_table,
6753 time_char_table): Rearrange for new organization of information
6754 about format length modifiers and standard versions.
6755 (T_ST): Redefine to use c_size_type_node.
6756 (check_format_info): Obtain information about length modifiers and
6757 standard versions from tables. Adjust warning message wordings.
6758 Use the name from the user's program for `ll' and `hh' length
6759 modifiers in warning messages. Use more informative names for
6760 wanted types where available (for wchar_t, wint_t, size_t, signed
6761 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
6763 2000-09-01 Jim Wilson <wilson@cygnus.com>
6765 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
6766 * combine.c (distribute_notes): Handle REG_NORETURN.
6767 * rtl.c (reg_note_name): Add REG_NORETURN.
6768 * rtl.h (enum reg_note): Likewise.
6770 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
6772 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
6773 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
6774 (emit_predicate_relation_info): Handle conditional calls with
6776 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
6777 instead of ia64_file_start.
6778 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
6779 * config/ia64/ia64.md (safe_across_calls_all,
6780 save_across_calls_normal): New patterns.
6782 * loop.c (check_final_value): Check for biv use before checking for
6783 giv use. Check for both biv and giv uses. Always set last_giv_use
6784 if there is a giv use.
6786 2000-09-01 Richard Henderson <rth@cygnus.com>
6788 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
6789 (madddi3): Likewise.
6792 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6794 * expr.c (clear_storage): Don't use emit_move_insn unless
6795 either BLKmode or proper size.
6796 (store_constructor): Don't call clear_storage if REG of wrong size.
6798 * flow.c (init_propagate_block_info): Don't mark frame dead at end
6799 of function if returns wiht stack pointer depressed.
6801 2000-09-01 Andrew Haley <aph@redhat.com>
6803 * dwarf2out.c (stack_adjust_offset): New function.
6804 (dwarf2out_stack_adjust): Break out stack adjust logic into
6805 new stack_adjust_offset function. Look inside parallels and
6806 sequences for stack adjustments.
6808 2000-08-31 Jeff Law <law@cygnus.com>
6810 * arm.md: Use no_new_pseudos to determine when it is safe
6811 to create new pseudo registers.
6813 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
6814 when we can safely allocate new registers.
6816 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
6818 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
6819 so that CONCATs are not generated for ASMs.
6820 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
6821 not generating_concat_p.
6822 * function.c (pop_function_context_from): Reset
6823 generating_concat_p.
6824 (prepare_function_start): Likewise.
6825 * rtl.c (generating_concat_p): Define.
6826 * rtl.h (generating_concat_p): Declare.
6827 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
6829 2000-08-22 Philipp Thomas <pthomas@suse.de>
6830 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
6832 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
6835 2000-08-30 Greg McGary <greg@mcgary.org>
6837 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
6838 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
6839 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
6841 2000-08-30 Greg McGary <greg@mcgary.org>
6843 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
6844 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
6845 (TREE_INT_CST): New macro.
6846 * varasm.c (const_hash, compare_constant_1, record_constant_1):
6847 Use new macro TREE_INT_CST.
6849 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
6851 * contrib.texi: Add self.
6853 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
6855 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
6856 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
6859 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6861 * fixinc/gnu-regex.c: Don't define `const'.
6863 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6865 * expr.c (store_constructor): Allow variable bounds of array type.
6866 (expand_expr): Don't blow up if type is ERROR_MARK.
6867 * varasm.c (output_constructor): Don't access lower bound of array
6868 type unless need it if index is supplied (so it can be a variable
6869 if no index is supplied).
6870 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
6871 Other minor cleanups.
6873 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6875 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
6876 for compilations in stage 1 and subsequent stages, respectively.
6877 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
6878 * configure: Rebuilt.
6879 * x-vax, x-vax-gcc: Deleted.
6881 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6883 * c-common.c (declare_function_name): Use func_id_node,
6884 function_id_node, and pretty_function_id_node. Do not make
6885 __func__ visible at file scope.
6886 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
6887 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
6888 (function_id_node, pretty_function_id_node, func_id_node): New
6890 * c-decl.c (init_decl_processing): Initialize function_id_node,
6891 pretty_function_id_node, and func_id_node.
6892 (c_make_fname_decl): Correct comment.
6894 * tree.h (struct tree_identifier): Constify pointer member.
6896 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
6897 * c-pragma.h (struct weak_syms): Constify name and value members.
6898 (add_weak): Constify arguments.
6900 * calls.c (special_function_p): Constify a char *.
6901 (expand_call): Remove variable which is initialized and then
6903 * dependence.c (struct def_use, struct induction, struct subscript):
6904 Constify 'variable' member.
6905 (get_low_bound, have_induction_variable): Constify char * argument.
6906 (find_induction_variable): Add braces to avoid dangling else.
6907 (classify_dependence): Constify char * arrays.
6908 * profile.c (output_func_start_profiler): Constify a char *.
6909 * stor-layout.c (finalize_record_size): Constify a char *.
6910 * tree.c (is_attribute_p): Constify a char *.
6911 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
6913 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
6914 for comprehensibility. Do not call get_identifier if we did
6915 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
6916 create temporary string constants, not ggc_alloc_string. No
6917 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
6918 char * to hold IDENTIFIER_POINTERs.
6920 2000-08-29 Richard Henderson <rth@cygnus.com>
6922 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
6925 2000-08-29 Richard Henderson <rth@cygnus.com>
6927 * reload.c (push_secondary_reload): Allow class == reload_class
6928 if we're using a reload_in/out pattern.
6930 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
6931 the half that does not conflict with the reload register.
6932 (reload_outti): Likewise.
6934 2000-08-29 Kazu Hirata <kazu@hxi.com>
6936 * reload.c: Fix formatting.
6938 * stmt.c: Fix formatting.
6940 * gcc.c: Fix formatting.
6942 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6944 * flags.h (time_report, mem_report): New global flags.
6945 * toplev.c: Define time_report and mem_report.
6946 (f_options): Add -ftime-report and -fmem-report.
6947 (compile_file): Turn on time_report if quiet_flag is off.
6948 Call ggc_print_statistics at very end if mem_report is on.
6949 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
6951 * ggc-common.c (ggc_print_statistics): Rename to
6952 ggc_print_common_statistics; all callers changed. Scale
6953 quantities above 10K to kilobytes and above 10M to megabytes.
6954 * ggc-page.c (ggc_page_print_statistics): Rename to
6955 ggc_print_statistics. Report memory consumed by internal data
6956 structures for each allocation bucket. Scale quantities above
6957 10K to kilobytes and above 10M to megabytes.
6958 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
6959 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
6960 Define tally_leaves always.
6961 (ggc_print_statistics): New function.
6962 * ggc.h: Adjust for renamed functions.
6964 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
6966 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
6967 output_movsisf instead of which_alternative.
6969 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
6971 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
6973 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
6974 (avr_progmem_p): New prototype.
6975 (output_movsisf): Prototype declaration changed.
6976 (output_movqi): New prototype.
6977 (output_movhi): New prototype.
6978 (call_insn_operand): Likewise.
6979 (final_prescan_insn): Likewise.
6980 (avr_simplify_comparision_p): Likewise.
6981 (avr_normalize_condition): Likewise.
6982 (compare_eq_p): Likewise.
6983 (out_shift_with_cnt): Likewise.
6984 (const_int_pow2_p): Likewise.
6985 (output_reload_inhi): Prototype declaration changed.
6987 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
6988 (ldi_reg_rtx): New. rtx for r31.
6989 (avr_init_stack): Initialize as "__stack".
6990 (function_prologue): Use it.
6991 Replace all TARGET_ENHANCED with AVR_ENHANCED.
6992 (avr_mcu_name): Initialize as "avr2".
6993 (avr_enhanced_p, avr_mega_p): New variables.
6994 (mcu_types, avr_override_options): Handle all known MCU types.
6995 Also handle avr1 (only preprocess, assemble and link).
6996 (print_operand): Using of `%K' in output template removed.
6997 (out_movqi_r_mr): Optimized.
6998 (out_movhi_r_mr): Likewise.
6999 (output_movqi): New function.
7000 (output_movhi): Likewise.
7001 (out_movsi_r_mr): Optimized.
7002 (output_movsisf): Compute insn length for `adjust_insn_length'
7003 (out_movqi_mr_r): Optimized.
7004 (out_movhi_mr_r): Optimized.
7005 (adjust_insn_length): Use output_movsisf, output_movqi,
7006 output_movhi for insn length adjusting.
7007 (reg_unused_after): Use dead_or_set_p.
7008 (preferred_reload_class): Now havn't any restriction.
7009 (reg_was_0): New function.
7010 (io_address_p): Likewise.
7011 (const_int_pow2_p): Likewise.
7012 (output_reload_inhi): Likewise.
7013 (output_reload_insisf): Likewise.
7015 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
7016 (LIB_SPEC): Use -lc for all supported devices.
7017 (LIBGCC_SPEC): Use -lgcc for all supported devices.
7018 (AVR_MEGA): Define as avr_mega_p.
7019 (AVR_ENHANCED): New, define as avr_enhanced_p.
7020 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
7021 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
7022 (CRT_BINUTILS_SPECS): Handle all known MCU types.
7023 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
7024 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
7025 (ASM_SPEC): Pass -mmcu=... to the assembler.
7026 Change all -DAVR_* to -D__AVR_*__.
7027 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
7028 Rename library functions to start with two underscores.
7029 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
7031 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
7032 (SUPPORTS_WEAK): Likewise.
7033 (LDI_REG_REGNO): New. Register r31 will be used as temporary
7034 register for loading constants to r0-r14.
7036 * config/avr/avr.md: Replace all TARGET_ENHANCED with
7038 (*mov_r_sp): Removed. Handled by output_movhi.
7039 (*mov_sp_r): Likewise.
7040 (*mov_sp_r_no_interrupts): Likewise
7041 (*mov_sp_r_tiny): Likewise.
7042 (*movqi): Use output_movqi.
7043 (*reload_inqi): New.
7044 (*movhi): Use output_movhi.
7045 (*reload_inhi): New.
7046 (*negsi2): Optimized.
7047 (*negsf2): Likewise.
7048 Added peepholes (define_peephole2) for loading constants to r0-r14
7049 and for using `cpse' command.
7051 * config/avr/libgcc.S: Rename library functions to start with two
7053 Add support for enhanced core.
7054 (_moqhi3): Fix typo, now _modqi3.
7055 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
7056 (__prologue_saves__): Remove test for stack adjust by 0.
7057 (__tablejump__): New.
7059 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
7060 Add multilib support.
7062 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
7064 * loop.c (prescan_loop): Don't check unknown_address_altered
7065 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
7066 to loop_store_mems as necessary.
7067 (loop_invariant_p): Don't check unknown_address_altered
7068 or unknown_constant_address_altered.
7070 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7072 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
7074 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7076 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
7077 print just the filename.
7078 * cpplex.c (_cpp_run_directive): Add additional argument, the
7079 name to give the synthetic buffer. This defaults to
7080 translated "<command line>".
7081 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7083 (_cpp_define_builtin): New function.
7084 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7085 * cpphash.h: Update prototypes.
7087 * tradcpp.c (main): Process -D and -U simultaneously, in the
7088 order they appeared on the command line.
7090 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7092 * c-decl.c (define_label): Call warning_with_file_and_line and
7093 error_with_file_and_line instead of plain warning or error.
7095 * c-parse.in (label): Use save_filename/save_lineno to ensure
7096 correct values for calls to define_label.
7098 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7100 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
7102 * expr.c (expand_expr, case TARGET_EXPR): Don't call
7104 * tree.h (get_file_function_name): Remove two duplicate
7107 2000-08-28 Kazu Hirata <kazu@hxi.com>
7109 * tree.c: Fix formatting.
7111 * xcoffout.c: Fix formatting.
7113 2000-08-28 Jason Merrill <jason@redhat.com>
7115 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
7117 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7119 * dwarf2out.c (dwarf2out_finish): Don't bother calling
7120 break_out_includes if it won't do anything.
7122 2000-08-28 Richard Henderson <rth@cygnus.com>
7124 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
7125 (find_reloads): Likewise.
7126 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
7127 (reload_inhi): Likewise.
7129 2000-08-28 Richard Henderson <rth@cygnus.com>
7131 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
7132 (call_insn_operand): Don't expect a surrounding mem.
7133 (constant_call_address_operand): Likewise.
7134 * config/i386/i386.h (PREDICATE_CODES): Update.
7135 * config/i386/i386.md (call patterns): Move the match_operand
7136 for the call destination inside the mem.
7138 2000-08-28 Richard Henderson <rth@cygnus.com>
7140 * local-alloc.c (requires_inout): Don't use reserved range for
7141 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
7142 * recog.c (asm_operand_ok): Likewise.
7143 (preprocess_constraints, constrain_operands): Likewise.
7144 * regclass.c (record_reg_classes): Likewise.
7145 * reload.c (find_reloads): Likewise.
7146 * reload1.c (maybe_fix_stack_asms): Likewise.
7147 (reload_cse_simplify_operands): Likewise.
7148 * stmt.c (expand_asm_operands): Likewise.
7150 * md.texi: Update constraints documentation.
7151 * tm.texi (EXTRA_CONSTRAINT): Update.
7153 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7155 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
7156 (print_die): If we don't know the offset of the
7157 target die, try the symbol. Add a trailing newline.
7158 (reverse_all_dies): New fn.
7159 (dwarf2out_finish): Call it.
7160 (break_out_includes): Reorganize for clarity.
7161 (add_sibling_attributes): Don't call reverse_die_lists.
7162 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
7164 * flags.h: Add flag_eliminate_dwarf2_dups.
7165 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
7167 2000-08-28 Jason Merrill <jason@redhat.com>
7169 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
7170 * dwarf2out.c: #include "md5.h".
7171 (DIE_LABEL_PREFIX): New macro.
7172 (dw_val_struct): Add 'external' flag to val_die_ref.
7173 (add_AT_die_ref, AT_ref): Adjust.
7174 (AT_ref_external, set_AT_ref_external): New fns.
7175 (build_abbrev_table): Call set_AT_ref_external.
7176 (value_format): Call AT_ref_external.
7177 (die_struct): Add die_symbol field.
7178 (new_die): Clear it.
7179 (dwarf_tag_name): Handle BINCL/EINCL.
7180 (dwarf2out_start_source_file): Add BINCL DIE.
7181 (dwarf2out_end_source_file): Add EINCL DIE.
7182 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
7183 (loc_checksum, attr_checksum, die_checksum): New fns.
7184 (is_type_die, is_comdat_die, is_symbol_die): New fns.
7185 (compute_section_prefix, assign_symbol_names): New fns.
7186 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
7187 (output_die): Call output_die_symbol and AT_ref_external.
7188 (output_comdat_comp_unit): New fn, split out from...
7189 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
7191 (output_pubnames, output_aranges): Abort if we see entries from
7193 * toplev.h: Declare file_name_nondirectory.
7194 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
7195 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
7196 (debug_start_source_file): Call dwarf2out_start_source_file
7197 regardless of debug verbosity.
7198 (debug_end_source_file): Similarly.
7199 * tree.h: Declare clean_symbol_name.
7200 * tree.c (clean_symbol_name): Split out from...
7201 (get_file_function_name_long): ...here.
7203 * dwarf2out.c (new_loc_descr): Use calloc.
7204 (splice_child_die): Remove the die from the right parent.
7205 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
7207 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7209 * toplev.c (decode_g_option): Don't give warning for unknown -g
7210 option; return 0 instead.
7211 (main): If -g option is not recognized by front end or
7212 language-independent code, give warning.
7214 2000-08-28 Greg McGary <greg@mcgary.org>
7216 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
7217 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
7218 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
7220 2000-08-27 Greg McGary <greg@mcgary.org>
7222 * cpplex.c (parse_string): Don't look for backslash
7223 before first char in `namebuf'.
7224 * loop.c (strength_reduce): Skip NOTEs.
7226 2000-08-27 Jason Merrill <jason@redhat.com>
7228 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
7229 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
7230 TREE_ASM_WRITTEN, either.
7231 (finish_decl): Adjust.
7233 2000-08-28 Philipp Thomas <pthomas@suse.de>
7235 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
7236 they have been incorporated into the gettext CVS. Change the text to
7237 reflect the current status of NLS. Add instructions for accessing
7238 the gettext CVS and add the patch from Martin v. Loewis.
7240 2000-08-27 Geoff Keating <geoffk@cygnus.com>
7242 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
7243 by using gen_lowpart_common.
7244 (movdi_internal64+6): Likewise.
7246 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
7248 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
7251 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
7252 numbers to the ranges used by GDB.
7254 2000-08-25 Richard Henderson <rth@cygnus.com>
7256 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
7257 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
7258 (ia64_expand_prologue): Likewise.
7259 (ia64_setup_incoming_varargs): Set it. Properly skip the current
7260 argument for stdargs.
7262 2000-08-25 Jason Merrill <jason@redhat.com>
7264 * integrate.c (expand_inline_function): Pull out the original decl.
7266 2000-08-25 Jim Wilson <wilson@cygnus.com>
7268 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
7270 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
7272 2000-08-25 Greg McGary <greg@mcgary.org>
7274 * flow.c (dump_edge_info): Use ARRAY_SIZE.
7275 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
7277 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
7279 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
7281 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
7283 * i386.c (ix86_find_base_term): New.
7284 * i386-protos.h (ix86_find_base_term): Prototype.
7285 * i386.h (FIND_BASE_TERM): Define.
7286 * alias.c (find_base_term): Use it.
7287 * tm.texi (FIND_BASE_TERM): Document it.
7289 * alias.c (true_dependence, write_dependence_p): Unchanging
7290 memory can't conflict with non-unchanging memory.
7292 * alias.c (memrefs_conflict_p): A BLKmode reference
7293 to a symbol (or CONST_INT address) always conflicts
7294 with a reference to another symbol.
7296 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
7298 * c-common.c (time_char_table): Don't allow width and flags with
7301 2000-08-25 Jakub Jelinek <jakub@redhat.com>
7303 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
7304 way as LT and LTU when the second operand has 0 in low word.
7306 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7308 * basic-block.h (struct loop): Rename `exits' field to
7309 `exit_edges'. Add `entry_edges' and `num_entries' fields.
7311 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
7312 (flow_loop_entry_edges_find): Add.
7313 (flow_edge_list_print): Rename from flow_exits_print.
7314 (flow_loops_find): Call flow_loop_entry_edges_find.
7315 (flow_loop_dump): Dump entry_edges list.
7316 (flow_loops_free): Free entry_edges.
7318 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7320 * loop.c (loop_dump_aux, debug_loop): New functions.
7321 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
7323 * flow.c (flow_loops_dump): Add callback parameter.
7324 (flow_loop_dump): Add callback parameter and call it. Move
7325 loop note debugging code to loop_dump_aux.
7327 * basic-block.h (flow_loop_dump): Add callback parameter
7328 (flow_loops_dump): Likewise.
7330 * toplev.c (rest_of_compilation): Add NULL callback function pointer
7331 to call to flow_loops_dump.
7333 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7335 * loop.c (count_loop_regs_set): Replace start and end arguments
7336 with loop argument. All callers udated.
7338 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7340 * loop.c (constant_high_bytes): Delete.
7342 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7344 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
7345 and NOTE_INSN_LOOP_VTOP to...
7346 (find_and_verify_loops) ...here.
7348 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
7350 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
7351 (fini_dummy, init_dummy): Use it.
7353 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
7355 * cpplex.c (is_macro_disabled): Caller has already checked
7356 that we're not a preprocessed file.
7358 2000-08-24 Mark Mitchell <mark@codesourcery.com>
7360 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
7361 (c-iterate.o): Remove target.
7362 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
7363 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
7364 (finish_decl): Don't handle iterators.
7365 (grokdeclarator): Likewise.
7366 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
7367 * gcc/c-gperf.h: Regenerated.
7368 * gcc/c-iterate.c: Removed.
7369 * gcc/c-lex.c (init_lex): Don't handle iterators.
7370 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
7371 (compstmt_primary_start): Remove push_iterator_stack call.
7372 (stmt): Don't allow iterator statements. Replace iterator_expand
7373 with expand_expr_stmt.
7374 (all_iter_stmt): Remove.
7375 (all_iter_stmt_simple): Likewise.
7376 (all_iter_stmt_with_decl): Likewise.
7377 * gcc/c-tree.h (ITERATOR_P): Remove.
7378 (ITERATOR_BOUND_P): Likewise.
7379 (init_iterators): Remove declaration.
7380 (iterator_expand): Likewise.
7381 (iterator_for_loop_start): Likewise.
7382 (iterator_for_loop_end): Likewise.
7383 (iterator_for_loop_record): Likewise.
7384 (push_iterator_stack): Likewise.
7385 (pop_iterator_stack): Likewise.
7386 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
7387 (readonly_warning): Likewise.
7388 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
7390 2000-08-24 Jim Wilson <wilson@cygnus.com>
7392 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
7393 Copy type in a TYPE_DECL, just like pushdecl does.
7395 2000-08-24 Richard Henderson <rth@cygnus.com>
7397 * toplev.c (main): Enable flag_reorder_blocks at -O2.
7399 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7401 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
7402 asked for one page, allocate GGC_QUIRE_SIZE of them and put
7403 the extras on the free list.
7404 (release_pages): Clean up.
7405 (ggc_set_mark): Don't adjust G.allocated here...
7406 (sweep_pages): ... do it here.
7408 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7410 * cppfiles.c (read_include_file): Rearrange initializations.
7412 2000-08-24 Richard Henderson <rth@cygnus.com>
7414 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
7416 * config/ia64/ia64-protos.h: Update.
7417 * config/ia64/ia64.c (gr_register_operand): New.
7418 (fr_register_operand, grfr_register_operand): New.
7419 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
7420 (grfr_reg_or_8bit_operand): New.
7421 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
7422 use gr_register_operand.
7423 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
7424 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
7425 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
7426 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
7427 (fr_reg_or_fp01_operand): Likewise.
7428 (not_postinc_memory_operand): New.
7429 (ia64_split_timode): Remove unused variables.
7430 (rtx_needs_barrier): Check arguments to cmpxchg.
7431 (builtin_description): Remove.
7432 (bdesc_2argsi, bdesc_2argdi): Remove.
7433 (ia64_init_builtins): Declare all builtins directly.
7434 (ia64_expand_fetch_and_op): Rewrite to be called from
7435 ia64_expand_builtin directly. Use expand_binop and co.
7436 (ia64_expand_op_and_fetch): Likewise.
7437 (ia64_expand_compare_and_swap): Likewise.
7438 (ia64_expand_binop_builtin): Remove.
7439 (ia64_expand_lock_test_and_set): New.
7440 (ia64_expand_lock_release): New.
7441 (ia64_expand_builtin): Use them.
7442 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
7443 (EXTRA_CONSTRAINT): Use it.
7444 (PREDICATE_CODES): Update.
7445 * config/ia64/ia64.md (*): Use gr_register_operand and co.
7446 (mf): Indicate that we set memory as well as use it.
7447 (fetchadd_acq_si): Show memory being modified as well.
7448 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
7449 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
7450 (lock_test_and_set_si, lock_test_and_set_di): Remove.
7451 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
7452 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
7453 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
7454 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
7455 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
7456 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
7457 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
7458 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
7459 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
7460 return type. Pretty print definitions.
7462 2000-08-24 Jim Wilson <wilson@cygnus.com>
7464 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
7465 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
7467 2000-08-24 Jason Merrill <jason@redhat.com>
7469 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
7470 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
7471 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
7472 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
7474 2000-08-24 Greg McGary <greg@mcgary.org>
7476 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
7477 and extendtab within their proper array boundaries.
7478 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
7479 for the entire array.
7481 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
7482 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
7483 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
7484 * config/fr30/fr30.c (fr30_print_operand): Likewise.
7485 * config/i386/dgux.c (output_options): Likewise.
7486 * config/i386/dgux.h (ASM_FILE_START): Likewise.
7487 * config/m88k/m88k.c (output_options): Likewise.
7488 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
7489 * config/mcore/mcore.c (mcore_output_inline_const_forced,
7490 layout_mcore_frame, handle_structs_in_regs): Likewise.
7491 * config/mips/mips.c (output_block_move): Likewise.
7492 * config/rs6000/rs6000.c (rs6000_override_options,
7493 rs6000_file_start): Likewise.
7494 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
7495 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
7496 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
7497 * builtins.c (expand_builtin_setjmp): Likewise.
7498 * expr.c (safe_from_p): Likewise.
7499 * flow.c (life_analysis): Likewise.
7500 * fold-const.c (size_int_type_wide): Likewise.
7501 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
7502 * genattrtab.c (make_length_attrs): Likewise.
7503 * genopinit.c (gen_insn): Likewise.
7504 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
7505 * global.c (global_alloc): Likewise.
7506 * local-alloc.c (find_free_reg): Likewise.
7507 * mips-tdump.c (print_symbol): Likewise.
7508 * mips-tfile.c (parse_def, parse_input): Likewise.
7509 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
7510 * stmt.c (expand_nl_goto_receiver): Likewise.
7511 * stor-layout.c (set_sizetype): Likewise.
7512 * varasm.c (decode_reg_name): Likewise.
7513 * toplev.c (decode_f_option, decode_W_option,
7514 set_target_switch, print_switch_values): Likewise.
7515 (NUM_ELEM): Remove macro.
7516 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
7518 2000-08-24 Greg McGary <greg@mcgary.org>
7520 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
7521 (MAIN_NAME_P, main_identifier_node): New macros.
7522 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
7523 * c-decl.c (start_decl, grokdeclarator, start_function,
7524 store_parm_decls, finish_function): Use MAIN_NAME_P.
7525 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
7526 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
7527 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7528 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
7530 2000-08-24 Greg McGary <greg@mcgary.org>
7532 * cppfiles.c (actual_directory): Don't write beyond `dir'
7533 when it contains "".
7534 * real.c (asctoeg): Stay within bounds of etens[][].
7536 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7538 * dependence.c (dependence_string, direction_string,
7539 dump_one_node, dump_node_dependence): Hide unused identifiers.
7540 (get_low_bound, normalize_coefficients): Match definition to
7542 (get_one_coefficient): Initialize variables `value0_is_idx' and
7544 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
7545 (ziv_test): Delete variable `idx', use parameter `sub' instead.
7546 (direction_merge): Avoid automatic aggregate initialization.
7547 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
7548 Initialize variables `dest_idx' and `src_idx'.
7549 (end_dependence_analysis): Avoid C89 style function definition.
7551 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
7553 * c-common.c (time_char_table): Don't allow width with %F.
7554 (check_format_info): Don't allow "Z" length with scanf.
7556 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
7558 * diagnostic.c (finish_diagnostic): Define.
7559 (output_do_printf): Use wrap_text instead of output_add_string.
7560 (default_print_error_function): Avoid embedded '\n'.
7562 * diagnostic.h (flush_diagnostic_buffer): Declare.
7564 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
7566 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
7568 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
7570 * Makefile.in (GCC_PASSES): Add specs.
7572 2000-08-23 Jim Wilson <wilson@cygnus.com>
7574 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
7575 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
7576 EHANDLER nor UHANDLER bit is set.
7577 (__get_except_table): Likewise.
7579 2000-08-23 Nick Clifton <nickc@redhat.com>
7581 * config/arm/lib1funcs.asm: Replace upper case condition codes
7582 with lower case versions.
7584 * config/arm/arm.h (STRUCT_VALUE): Define.
7585 (STRUCT_VALUE_REGNUM): Delete.
7587 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
7589 * cpphash.h (IN_I): New flag for directive table.
7590 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
7592 (_cpp_check_directive): If -fpreprocessed, execute directives
7593 marked with IN_I. Issue no warnings in this case.
7594 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
7596 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
7598 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
7600 (check_format_info): Support printf 'I' flag; warn about it with
7603 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
7605 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
7606 barrier can't be ignored by the alias analysis code.
7608 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
7610 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
7611 works inside fixincl.
7613 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
7615 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
7616 simplify_relational_operation() unless both operands are of
7618 * cse.c (fold_rtx): Likewise.
7620 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
7622 * rtlanal.c (rtx_unstable_p): The pic register is stable
7623 (within one function) and the actual rtx should be used
7624 when checking the registers.
7625 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
7627 * alias.c (true_dependence, write_dependence_p): Fix
7628 bug in previous patch.
7630 * i386.c (ix86_GOT_alias_set): New.
7631 (legitimize_pic_address): Use it.
7633 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
7634 only stable if its address is stable.
7635 (rtx_varies_p): An unchanging MEM can't vary if
7636 its address doesn't vary.
7638 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7640 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
7642 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7644 * vax.h (ASM_SPEC): Pass `-J' to assembler.
7645 * x-vax-gcc: New file for bootstrapping with gcc.
7646 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
7647 * configure.in: Use x-vax-gcc with gcc.
7648 * configure: Rebuilt.
7650 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7652 * toplev.c (rest_of_compilation): Rebuild label notes after
7653 post-reload splitting pass if new labels have been created.
7655 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7657 * diagnostic.h (output_buffer_state): New macro.
7658 * diagnostic.c (diagnostic_for_decl, sorry,
7659 default_print_error_function, output_do_verbatim,
7660 report_diagnostic, report_problematic_module): Use it.
7662 (output_format): Use wrap_text instead of maybe_wrap_text.
7664 2000-08-22 Nick Clifton <nickc@redhat.com>
7666 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
7667 Common code for ARM divide and modulus functions.
7668 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
7670 (FUNC_END): New macro: Common code at the end of the division and
7672 (THUMB_FUNCTION_START): New macro: Common code at the start of
7674 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
7676 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
7678 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
7680 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
7681 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
7684 2000-08-22 Nick Clifton <nickc@redhat.com>
7686 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
7687 restorative additions, test for bottom bits of IP being set,
7688 rather than relying upon the RORs not matching.
7691 2000-08-22 David Edelsohn <edelsohn@gnu.org>
7693 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
7694 text_section() as appropriate instead of emitting text csect
7696 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
7697 (UNIQUE_SECTION): Define macro.
7698 (ASM_OUTPUT_SECTION_NAME): Define macro.
7699 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
7700 on AIX if debugging and -fdata-sections always.
7702 2000-08-22 Steven King <sxking@uswest.net>
7704 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
7706 (LDBL_MAX): Same here.
7708 2000-08-22 Richard Henderson <rth@cygnus.com>
7710 * flow.c (tidy_fallthru_edge): Update b->end properly.
7712 2000-08-22 Stan Cox <scox@redhat.com>
7714 * Makefile.in (OBJS): Add dependence.o.
7715 * dependence.c: New file.
7717 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
7719 * calls.c (check_sibcall_argument_overlap_1): Adjust for
7721 (check_sibcall_argument_overlap): Likewise.
7723 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
7725 * invoke.texi (SH Options): Document -m4-nofpu,
7726 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
7727 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
7729 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
7731 * c-common.c (check_format_info): Give the 'some locales' warning
7732 for strftime %Ey rather than the unconditional 'only last 2 digits
7735 2000-08-22 Richard Henderson <rth@cygnus.com>
7737 * alias.c (init_alias_analysis): Do not register
7738 struct_value_incoming_rtx or static_chain_rtx as pointing
7741 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
7743 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
7745 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7747 * diagnostic.h (report_problematic_module): Declare.
7748 * diagnostic.c (report_problematic_module): New function.
7749 (report_error_function): Tweak.
7751 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7753 * stmt.c (expand_goto_internal, fixup_gotos): Only check
7754 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7756 2000-08-21 Richard Henderson <rth@cygnus.com>
7758 * flow.c (calculate_global_regs_live): Mark frame pointer live
7759 everywhere before reload.
7761 2000-08-21 Jim Wilson <wilson@cygnus.com>
7763 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
7764 INTEL_EXTENDED_IEEE_FORMAT.
7765 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
7766 clear last two bytes of output FP value.
7768 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
7770 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
7772 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7774 * unroll.c (loop_find_equiv_value): If ret is modified between
7775 insn and loop_start, ret might not be equivalent to reg.
7777 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7779 * c-common.c (init_dollar_format_checking,
7780 maybe_read_dollar_number, finish_dollar_format_checking): New
7782 (dollar_arguments_used, dollar_arguments_count,
7783 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
7785 (check_format_info): Support $ formats for scanf and printf width
7786 and precision. Always increment format_chars to advance past the
7787 '*' of precision, not just when the format parameters are
7790 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7792 * mips.c (block_move_loop, expand_block_move,
7793 function_arg_partial_nregs, save_restore_insns, function_prologue,
7794 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
7796 (function_arg_advance, function_arg): Match argument to format
7799 2000-08-21 Nix <nix@esperi.demon.co.uk>
7801 * gcc.c (do_spec_1): Implement %j spec flag.
7802 Remove dead comment.
7804 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
7805 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
7806 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
7807 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
7809 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
7810 writable) instead of hardcoded value.
7812 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
7814 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
7817 * gcc.c (cc1_options): Do not process -o or run the assembler if
7819 * objc/lang-spec.h: Likewise.
7821 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
7823 * fixinc/fixincl.c (fix_with_system): Pipe the output of
7824 "external" fixes through `cat', to avoid truncating the input
7825 file by redirection.
7827 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7829 * config/i386/i386.md (lea_general_1): Copy insn condition to split
7831 (lea_general_2, lea_general_3): Likewise.
7833 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7835 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
7836 warnings to user code.
7838 * c-lex.c (readescape, yylex): Likewise.
7840 * c-typeck.c (store_init_value, process_init_element): Likewise
7841 (c_expand_start_case): Format.
7843 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
7845 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
7847 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
7848 and linker_endian_spec to endian_spec.
7849 (ENDIAN_SPEC): Add %{EB} and %{EL}.
7850 (LINK_SPEC): Remove %{EB} and %{EL}.
7851 (ASM_SPEC): Likewise. Use %(endian_spec).
7853 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7855 * c-tree.h (flag_hosted): Move declaration from here...
7856 * c-common.h (flag_hosted): ... to here.
7857 (flag_noniso_default_format_attributes): New declaration.
7858 * c-decl.c (flag_noniso_default_format_attributes): New variable.
7859 (c_decode_option): Set it appropriately for options choosing
7860 language standard variant.
7861 * c-common.c (init_function_format_info): Only provide default
7862 format attributes if flag_hosted. Only provide the gettext
7863 formats if flag_noniso_default_format_attributes. Update
7865 (check_format_info): Disable treatment of %a as a scanf flag in
7868 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7870 * c-common.c (scan_char_table): Add 'w' to flags for all formats
7872 (check_format_info): Set 'wide' for scanf format widths. Warn for
7873 a zero scanf width. Make the check for writing into a constant
7874 object at the first level of indirection; at later levels, warn if
7875 any type qualifiers are encountered.
7877 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
7879 * reload.c (reload_inner_reg_of_subreg): New function broken out of
7881 (push_reload): Use reload_inner_reg_of_subreg.
7882 (combine_reloads): Do not combine reloads if the input reload
7883 is a SUBREG in which the inner part will need reloading.
7885 * global.c (global_alloc): Avoid passing dumpfile argument to
7887 * toplev.c (rest_of_compilation): Likewise.
7888 * reload.h (reload): Remove dumpfile argument. Callers changed.
7889 (debug_reload, debug_reload_to_stream): Move prototypes here.
7890 * rtl.h (reload): Remove dumpfile argument.
7891 * reload.c (debug_reload): Remove prototype.
7892 (debug_reload_to_stream): Likewise.
7893 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
7896 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7898 * diagnostic.c (context_as_prefix): Export.
7899 (need_error_newline): Remove.
7900 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
7901 (error_module_changed, record_last_error_module,
7902 error_function_changed, record_last_error_function): New functions.
7903 (initialize_diagnostics): Default intialize
7904 lang_diagnostic_starter, lang_diagnostic_finalizer.
7905 (init_output_buffer): Tweak.
7906 (file_name_as_prefix): New function.
7907 (announce_function, default_print_error_function,
7908 report_error_function, set_diagnostic_context): Tweak.
7910 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
7912 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
7913 condition expression.
7915 2000-08-20 Richard Henderson <rth@cygnus.com>
7917 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
7919 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
7921 * cppinit.c (cpp_init): Set global flag when called.
7922 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
7924 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
7926 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
7927 before `process_directive' so that newlines won't be missed
7929 (cpp_printf): Increment `print->lineno' when newline is emitted.
7931 * cppmain.c (cb_ident): Likewise.
7932 (cb_define): Likewise.
7933 (cb_undef): Likewise.
7934 (cb_include): Likewise.
7935 (cb_def_pragma): Likewise.
7936 (dump_macros_helper): Likewise.
7938 2000-08-20 Richard Henderson <rth@cygnus.com>
7940 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
7941 assigned before a loop.
7943 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
7944 (ashrsi3, lshrsi3): Likewise.
7946 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
7948 * c-lang.c: #include diagnostic.h
7949 (c_tree_printer): New function.
7950 (lang_init): Initialize lang_printer.
7952 * Makefile.in (c-lang.o): Depends on diagnostic.h
7954 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
7956 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
7958 * diagnostic.c (default_diagnostic_starter,
7959 default_diagnostic_finalizer): New functions.
7960 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
7961 (pedwarn, pedwarn_with_file_and_line, error,
7962 error_with_file_and_line, fatal, warning,
7963 warning_with_file_and_line): Adjust call to report_diagnostic.
7964 (report_diagnostic): Rework.
7965 (set_diagnostic_context): New function.
7967 * diagnostic.h (struct diagnostic_context): New data structure.
7968 (diagnostic_message, diagnostic_argument_list,
7969 diagnostic_file_location, diagnostic_line_location,
7970 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
7971 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
7972 (set_diagnostic_context): Declare.
7973 (report_diagnostic): Change prototype.
7975 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
7977 * fix-header.c (main): Initialize cpplib.
7979 2000-08-19 Michael Meissner <meissner@redhat.com>
7981 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
7982 instructions in it before checking for indirect jumps.
7984 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
7985 in a indirect jump as a potential for conditional execution.
7987 * d30v.h (d30v_init_expanders): Don't declare here.
7988 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
7991 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
7993 * cpp.texi: Add @section for assertions.
7995 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
7997 * loop.c (scan_loop): Use CONST_CALL_P instead of
7998 checking for REG_LIBCALL / REG_RETVAL.
8000 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
8002 * reload1.c (reload_as_needed): Accept dumpfile argument,
8003 pass it to emit_reload_insns.
8004 (emit_reload_insns): Add new dumpfile argument. If non-null
8005 then dump the reloads for each insn into the dumpfile.
8006 (reload): Pass dumpfile to reload_as_needed.
8008 * invoke.texi: Clean up linux-gnu vs linux comments.
8010 2000-08-19 Richard Henderson <rth@cygnus.com>
8012 * config/ia64/ia64.c (reg_or_5bit_operand): New.
8013 (ia64_depz_field_mask): New.
8014 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
8015 (PREDICATE_CODES): Update.
8016 * config/ia64/ia64.md: Update commentary.
8017 (depz_internal): New.
8018 (ashlsi3): Implement directly.
8019 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
8020 (ashldi3): Use shladd.
8021 * config/ia64/ia64-protos.h: Update.
8023 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8025 * toplev.c (independent_decode_option): Always process -g.
8026 Remove third argument, now unused. Adjust caller to match.
8028 2000-08-18 Richard Henderson <rth@cygnus.com>
8030 * combine.c (make_compound_operation): Break after creating
8033 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8035 * cpplib.c (cpp_register_pragma_space): Just return if the
8036 namespace is already registered.
8038 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
8040 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
8041 constant amount. Do not generate ROTL instruction.
8043 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
8045 * config/sh/elf.h: Do not include sh/sh.h.
8046 * config/sh/rtems.h: Likewise.
8047 * config/sh/rtemself.h: Do not include sh/elf.h.
8048 * configure.in: Get them included with `tm_file's.
8049 * configure: Rebuilt.
8051 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
8052 * config/sh/sh.c (fpscr_set_from_mem): Use them.
8054 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8056 * stor-layout.c (compute_record_type): Don't use mode of single
8057 field as mode of record if not integer mode of same type.
8059 * regmove.c (perhaps_ends_bb_p): New function.
8060 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
8061 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
8062 (fixup_match_1): Likewise.
8063 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8064 avoid signed/unsigned warnings.
8066 * function.c (fixup_var_refs_1, case MEM): Update CODE after
8069 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
8071 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
8072 (_cpp_trigraph_map): Declaration moved from cpplex.c
8074 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
8075 instead of 256. Use consistent test for designated initializers.
8076 (cpp_init): Initialize trigraph_map.
8077 (initialize_standard_includes, parse_option): Use memcmp
8080 * cpplex.c (init_trigraph_map): Remove.
8081 (trigraph_ok, trigraph_replace, lex_line): Refer to
8084 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8085 (do_unassert): Remove unused "next" local.
8087 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8089 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8091 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8094 2000-08-17 Richard Henderson <rth@cygnus.com>
8096 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8097 the first insn in a sequence.
8099 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
8101 * alias.c (true_dependence, write_dependence_p): A read
8102 involving a label_ref or the constant pool doesn't create
8105 * rtl.h (unchanging): Improve documentation.
8107 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
8109 * cse.c (insert_regs): Remove unused `regno'.
8111 2000-08-17 Neil Booth <NeilB@earthling.net>
8113 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
8114 remove_dup_dirs. If qtail == brack, remove brack not
8116 (remove_dup_dir, remove_dup_dirs): New functions.
8118 2000-08-17 Neil Booth <NeilB@earthling.net>
8120 * cppinit.c (cpp_cleanup): Free include dir chains.
8121 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
8122 (do_unassert): Free the assert with _cpp_free_definition.
8123 * cppmacro.c (_cpp_free_definition): Free memory allocated for
8124 assertions. Make the node a T_VOID node.
8126 2000-08-17 Neil Booth <NeilB@earthling.net>
8128 * cppinit.c (path_include, append_include_chain):
8129 Remove 2nd parameter (struct cpp_pending *).
8130 (path_include, initialize_standard_includes, cpp_handle_option):
8131 Update callers appropriately.
8132 (cpp_handle_option): Use pend.
8134 2000-08-17 Neil Booth <NeilB@earthling.net>
8136 * cppinit.c (sort_options): Remove, put functionality in
8139 (initialize_builtins): Free memory.
8140 (cpp_start_read): Move init_IStable to cpp_init.
8142 * cpplib.h (cpp_init): New prototype.
8143 * cppmain.c (main): Call cpp_init.
8145 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
8147 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
8148 (rtx_unstable_p, rtx_varies_p): Process vectors.
8150 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8152 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
8153 references to GLOBAL symbols. Use LOCAL where appropriate.
8155 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8157 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
8158 use t-aix41 when host == target.
8160 2000-08-16 Richard Henderson <rth@cygnus.com>
8162 * reload.c (push_secondary_reload): Revert last change.
8163 If we use a reload_in/out pattern, make the when the same
8164 as the primary reload.
8165 (find_reloads): Likewise.
8167 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
8169 * configure.in (libstdcxx-v3): Fix test.
8170 * configure: Regenerate.
8172 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8174 * calls.c (calls_function_1, expand_call): Only test
8175 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8176 * function.c (thread_prologue_and_epilogue_insns): Likewise.
8178 2000-08-16 Richard Henderson <rth@cygnus.com>
8180 * combine.c (simplify_shift_const): Revert previous two
8181 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
8182 before the main loop.
8184 2000-08-15 Richard Henderson <rth@cygnus.com>
8186 * combine.c (simplify_shift_const): Bound shift count when
8189 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8191 * calls.c (ECF_SP_DEPRESSED): New macro.
8192 (calls_function_1): Treat calling sp-depressed function as alloca.
8193 (emit_call_1): Don't adjust SP if calling sp-depressed function.
8194 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
8195 If sp-depressed, ensure block saves and restores SP.
8196 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
8198 * function.c (keep_stack_depressed): New function.
8199 (thread_prologue_and_epilogue_insns): Call it.
8200 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
8201 to print DECL_OFFSET_ALIGN.
8202 Print no-force-blk and transparent-union flags properly.
8203 * stmt.c (expand_goto_internal): Don't restore stack if last block
8204 and function returns with sp depressed.
8205 (fixup_gotos): Likewise.
8206 (save_stack_pointer): New function, from code in expand_decl.
8207 (expand_decl): Call new function.
8208 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
8209 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
8210 (save_stack_pointer): New declaration.
8212 * diagnostic.c (fatal_function): New variable.
8213 (set_fatal_function): New function.
8215 * diagnostic.h (set_fatal_function): New declaration.
8217 2000-08-15 William Cohen <wcohen@redhat.com>
8219 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
8220 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
8221 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
8223 2000-08-15 Richard Henderson <rth@cygnus.com>
8225 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
8227 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8229 * arm.c (arm_function_ok_for_sibcall): New function.
8230 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
8231 * arm.md (call expanders): Don't check here for calls that can't
8234 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8236 * arm.md (splits generating cond_exec): Disable.
8238 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8240 * arm/linux-elf.h (text_section): Delete declaration.
8242 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8244 ARM support for unordered FP operations.
8245 * arm-protos.h (arm_comparison_operator): Declare.
8246 * arm.c (arm_comparison_operator): New function.
8247 (arm_select_cc_mode): Add unordered comparison codes.
8248 (get_arm_condition_code): Likewise.
8249 (arm_final_prescan_insn): Can't handle unordered jumps that can't
8250 be done in one insn.
8251 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
8252 * arm.md (all uses of comparison_operator): Replace with
8253 arm_comparison_operator.
8254 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
8256 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
8259 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8261 * gthr-posix.h: Conditionally include <sched.h>; include
8262 <config.h> from libobjc/.
8264 2000-08-14 Richard Henderson <rth@cygnus.com>
8266 * config/i386/i386.c (legitimize_pic_address): Use Pmode
8269 2000-08-14 Richard Henderson <rth@cygnus.com>
8271 * configure.in (ia64-*): Set float_format for i386 long double.
8273 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
8274 as we would for i386 XFmode.
8275 (PUT_REAL): Likewise.
8276 (endian, ereal_atof, real_value_truncate): Likewise.
8277 (ereal_isneg, toe64, etens, make_nan): Likewise.
8278 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
8280 * config/ia64/ia64-protos.h: Update.
8281 * config/ia64/ia64.c (general_tfmode_operand): New.
8282 (destination_tfmode_operand): New.
8283 (tfreg_or_fp01_operand): New.
8284 (ia64_split_timode): New.
8285 (spill_tfmode_operand): New.
8286 (ia64_expand_prologue): Use TFmode not XFmode.
8287 (ia64_expand_epilogue): Likewise.
8288 (ia64_function_arg): Likewise.
8289 (ia64_function_arg_advance): Likewise.
8290 (ia64_return_in_memory): Likewise.
8291 (ia64_function_value): Likewise.
8292 (ia64_print_operand): Likewise.
8293 (ia64_register_move_cost): Set GR<->FR to 5.
8294 (ia64_secondary_reload_class): Get GR for TImode memory op.
8295 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
8296 (ROUND_TYPE_ALIGN): Remove.
8297 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
8298 (INTEL_EXTENDED_IEEE_FORMAT): Define.
8299 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
8300 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
8301 (MODES_TIEABLE_P): Use TFmode, not XFmode.
8302 (CLASS_MAX_NREGS): Likewise.
8303 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
8304 (PREDICATE_CODES): Update.
8305 * config/ia64/ia64.md (movti): New.
8306 (movti_internal): Use a clobber for memory alternatives.
8307 (reload_inti, reload_outti): New.
8308 (movsfcc_astep): Predicate properly.
8309 (movdfcc_astep): Likewise.
8312 (extendsftf2, extenddftf2): New.
8313 (trunctfsf2, trunctfdf2): New.
8314 (floatditf2, fix_trunctfdi2): New.
8315 (floatunsditf2, fixuns_trunctfdi2): New.
8316 (addtf3, subtf3, multf3, abstf2): New.
8317 (negtf2, nabstf2, mintf3, maxtf3): New.
8318 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
8320 (fr_spill): Use TFmode, not XFmode.
8321 (fr_restore): Likewise.
8322 * config/ia64/lib1funcs.asm (__divtf3): New.
8323 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
8325 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8327 * cse.c (fold_rtx): Avoid empty body in an if-statement.
8329 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
8330 `U' integer constant suffix.
8332 * dwarf2out.c (add_subscript_info): Avoid empty body in an
8335 * sparc/sol2.h (__enable_execute_stack): Prototype.
8337 2000-08-14 David Edelsohn <edelsohn@gnu.org>
8339 * collect2.c: Remove use of AIX import file.
8341 * longlong.h: Test ARCH_PWR not ARCH_POWER.
8343 * rs6000.c (print_operand, case 'E'): Add else.
8345 2000-08-14 Richard Henderson <rth@cygnus.com>
8347 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
8348 (movdi_symbolic): New.
8350 2000-08-14 Jim Wilson <wilson@cygnus.com>
8352 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8353 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
8354 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8357 2000-08-14 Richard Henderson <rth@cygnus.com>
8359 * expr.c (emit_group_load): Don't force constants into registers.
8360 Special case source already in the correct mode.
8362 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
8364 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
8365 * fixinc/inclhack.def: Likewise.
8366 * fixinc/mkfixinc.sh: Likewise.
8367 * configure: Regenerate.
8368 * fixinc/fixincl.x: Regenerate.
8369 * install.texi: Document equivalence of linux and linux-gnu.
8371 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8373 * cse.c (insert_regs): Also in REG case: When finding an invalid
8374 value, and we make a new quantity, make sure that it won't be
8375 mistaken by for a valid one by mention_regs.
8377 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
8379 * h8300.md: Remove obsolete peepholes.
8381 2000-08-13 Kazu Hirata <kazu@hxi.com>
8383 * invoke.texi (H8/300 Options): Fix typos.
8384 * config/h8300.c: Fix formatting.
8385 * config/h8300.h: Fix comment typos.
8386 (OVERRIDE_OPTIONS): Fix formatting.
8388 * function.c: Fix formatting.
8390 * cse.c: Fix formatting.
8392 2000-08-13 Geoff Keating <geoffk@cygnus.com>
8394 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
8395 (attempt_auto_inc): Suppress parentheses warning.
8396 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
8397 * loop.c (load_mems): Remove `u' suffix in two places.
8398 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
8400 * config/rs6000/rs6000.h: Likewise.
8401 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
8402 __eabi dummy routine.
8403 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
8406 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
8407 not put stuff in .sdata unnecessarily.
8408 (rs6000_unique_section): New function.
8409 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
8410 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
8412 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
8413 arrays in C99. Don't try to look at DECL_REGISTER of a
8414 COMPONENT_REF. Don't complain twice about the same error.
8416 * fixinc/inclhack.def (aix_pthread): New fix.
8417 (aix_sysmachine): New fix.
8418 * fixinc/fixincl.x: Regenerate.
8420 * expr.c (expand_expr): Call convert_modes when turning a large
8421 multiply into a small one.
8423 2000-08-12 Geoff Keating <geoffk@cygnus.com>
8425 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
8426 the tree structure an exponent rather than an explicit alignment
8427 so it doesn't overflow.
8428 (SET_DECL_OFFSET_ALIGN): New macro.
8429 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
8430 rather than DECL_OFFSET_ALIGN.
8431 (place_field): Likewise.
8432 * expmed.c (store_bit_field): Abort on align==0 to avoid
8433 antisocial machine behaviour.
8435 2000-08-12 Richard Henderson <rth@cygnus.com>
8437 * sibcall.c (uses_addressof): Accept both addressof and
8438 current_function_internal_arg_pointer inside a mem.
8439 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
8440 if current_function_uses_addressof.
8441 * stmt.c (expand_return): Kill tail recursion and HAVE_return
8444 2000-08-11 Richard Henderson <rth@cygnus.com>
8446 * config/ia64/ia64.md (addsi3): Remove expander.
8447 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
8448 (*addsi3_shladd): New.
8450 2000-08-11 Richard Henderson <rth@cygnus.com>
8452 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
8453 (do_restore): Likewise.
8454 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
8455 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
8456 (rtx_needs_barrier): Track actual bit manipulation for
8457 ar.unat moves, gr_spill, and gr_restore.
8458 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
8459 (process_set): Don't handle varargs spills.
8460 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
8461 .mem.offset here instead of in process_set.
8462 (gr_restore): Likewise.
8464 2000-08-11 Richard Henderson <rth@cygnus.com>
8466 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
8468 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
8470 * gcc.texi (The Configuration File): Document
8471 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
8472 UPDATE_PATH_HOST_CANONICALIZATION.
8474 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8476 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
8477 unprototyped function pointer casts on integer constants.
8479 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
8481 * fixproto: Recognize DOS paths with drive letters as absolute paths.
8483 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
8485 * extend.texi (Volatiles): Fix typos.
8487 2000-08-11 Kazu Hirata <kazu@hxi.com>
8489 * flow.c: Fix formatting.
8491 2000-08-11 Richard Henderson <rth@cygnus.com>
8493 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
8494 pattern, always allocate a tertiary scratch register.
8496 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
8497 (reload_inhi): Likewise.
8499 2000-08-11 Richard Henderson <rth@cygnus.com>
8501 * function.c (put_reg_into_stack): Allow type to be NULL.
8502 (schedule_fixup_var_refs): Likewise.
8503 (gen_mem_addressof): Allow decl to be NULL.
8504 (put_addressof_into_stack): Likewise.
8506 * flow.c (merge_blocks_nomove): Be more careful about
8507 locating the beginning of block A.
8509 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
8511 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8516 * config.in: Reverted the check for <sched.h>.
8518 2000-08-10 Chris Demetriou <cgd@sibyte.com>
8520 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
8521 macros define the name of CTOR and DTOR sections.
8522 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8523 DTOR_LIST_END): Change to use attributes to specify
8525 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
8526 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8527 DTOR_LIST_END): Same as in mips/elf.h.
8529 2000-08-10 Drew Moseley <dmoseley@redhat.com>
8531 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
8532 disabling just crt0.o.
8534 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
8536 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
8537 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
8538 (EXTRA_SPECS): Add them.
8539 * arm/lib1funcs.asm: Support builds for interworking.
8540 Use macros to eliminate duplicated pieces of code.
8542 2000-08-10 Kazu Hirata <kazu@hxi.com>
8544 * h8300.c (expand_a_rotate): New.
8545 (emit_a_rotate): Likewise.
8546 (h8300_adjust_insn_length): Add support for the rotate insns.
8547 * h8300.md (rotlqi3): New.
8548 (*rotlqi3_1): Likewise.
8549 (rotlhi3): Likewise.
8550 (*rotlhi3_1): Likewise.
8551 (rotlhi3): Likewise.
8552 (*rotlhi3_1): Likewise.
8553 * h8300-proto.h: Add prototypes for expand_a_rotate and
8556 * h8300.c: Fix comment typos.
8557 (dosize): Declare the variable amount as unsigned.
8558 (get_shift_alg): Fix a comparison between signed and unsigned.
8559 (emit_a_shift): Likewise.
8560 (h8300_adjust_insn_length): Simplify the code.
8562 * c-decl.c: Fix formatting.
8564 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8566 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
8567 warning about non-traditional numeric constant suffixes.
8569 * cppexp.c (parse_number): Likewise.
8571 * invoke.texi: (-Wtraditional): Document new behavior.
8573 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8575 * gthr-posix.h: Include auto-host.h. Conditionally include
8577 * configure.in: Check for the <sched.h> header file.
8578 * config.in: Added define for HAVE_SCHED_H.
8580 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8582 * c-typeck.c (process_init_element): For -Wtraditional, warn about
8583 initialization of unions.
8585 * invoke.texi (-Wtraditional): Document new behavior.
8587 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
8589 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
8590 instead of extra_c_flags.
8591 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
8592 * configure: Regenerate.
8593 * config.in: Regenerate.
8595 * cpperror.c (cpp_type2name): New function.
8596 * cpplex.c (lex_line): If we issued an error for an invalid
8597 preprocessing directive, discard that logical line.
8598 * cpplib.c (do_line): Call a hook function if the current file
8599 is renamed by #line.
8600 (do_ident): Pass the contents of the string, not the entire
8601 token, to the callback function.
8602 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
8603 (cb.rename_file): New hook function.
8604 (cb.ident): Adjust prototype.
8605 (cpp_type2name): Prototype.
8606 * cppmacro.c (dump_macro_args): Correct precedence lossage.
8608 * cppmain.c (cb_ident): Update for changed interface.
8609 (cb_rename_file): New function.
8610 (main): Set rename callback.
8612 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
8614 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
8615 multi-word registers.
8617 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8619 * c-common.c (combine_strings, check_format_info): Refer to ISO C
8620 or ISO C89 instead of ANSI C.
8621 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
8622 build_enumerator, do_case): Likewise.
8623 * c-lex.c (parse_float, yylex): Likewise.
8624 * c-parse.in: Likewise.
8625 * c-typeck.c (common_type, build_array_ref, build_binary_op,
8626 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
8627 build_c_cast, convert_for_assignment, set_init_index,
8628 set_init_label, c_expand_start_case): Likewise.
8629 * toplev.c (documented_lang_options, display_help): Likewise.
8631 2000-08-08 Kazu Hirata <kazu@hxi.com>
8633 * h8300.c: Fix formatting.
8634 * h8300.h: Likewise.
8635 * h8300.md: Likewise.
8636 (movsi_h8300hs): Fix formatting of the resulting assembly code.
8638 * reload1.c: Fix formatting.
8640 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
8642 * alpha/alpha.c (alpha_emit_xfloating_libcall):
8643 Use GEN_CALL_VALUE define.
8644 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
8645 * clipper/clipper.md (untyped_call): Likewise.
8646 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
8647 * fx80/fx80.md (untyped_call): Likewise.
8648 * mips/mips.md (untyped_call): Likewise.
8649 * ns32k/ns32k.md (untyped_call): Likewise.
8650 * pa/pa.md (untyped_call): Likewise.
8651 * romp/romp.md (untyped_call): Likewise.
8652 * sparc/sparc.md (untyped_call): Likewise.
8654 2000-08-08 Jason Eckhardt <jle@cygnus.com>
8656 * config/i860/i860.c (singlemove_string): Do not generate assembler
8657 pseudo instructions that must be expanded (that is, with signed
8658 constants larger than 16 bits).
8660 2000-08-08 Richard Henderson <rth@cygnus.com>
8662 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
8663 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
8664 (init_propagate_block_info): Don't kill memory stores at -O0.
8665 (mark_set_1, mark_used_regs): Likewise.
8667 2000-08-08 David Edelsohn <edelsohn@gnu.org>
8669 * rs6000.c (optimization_options): Decorate 'level' as
8671 (mask64_operand): Remove sign-extend thinko.
8672 (rldic_operand): New function.
8673 (load_multiple_operation): regno's are unsigned ints.
8674 (store_multiple_operation): Likewise.
8675 (lmw_operation): Likewise.
8676 (stmw_operation): Likewise.
8677 (includes_lshift_p): shift_mask is unsigned int.
8678 (includes_lshift64_p): New function.
8679 (addrs_ok_for_quad_peep): unsigned int reg1.
8680 (print_operand): Consistently add "else" after
8681 output_operand_lossage().
8682 (print_operand, case 'b'): Fold in case 'W'.
8683 (print_operand, case 'W'): Print rldic MB value.
8684 (output_epilogue): Update Objective-C language string.
8685 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
8686 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
8687 * rs6000.md (ashldi3): Add rldic instruction.
8688 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
8689 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
8692 2000-08-08 Richard Henderson <rth@cygnus.com>
8694 * config/ia64/ia64-protos.h: Remove duplicates. Update
8695 for massive code rearrangements.
8696 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
8697 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
8698 (ia64_local_regs, ia64_need_regstk): Remove.
8699 (ar_ccv_reg_operand): New.
8700 (ia64_gp_save_reg): New.
8701 (struct ia64_frame_info): Combine most of the size elements;
8702 add new gr save elements.
8703 (find_gr_spill): New.
8704 (next_scratch_gr_reg): New.
8705 (mark_reg_gr_used_mask): New.
8706 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
8707 to GR backing store regs when possible.
8708 (ia64_initial_elimination_offset): New.
8709 (ia64_rap_fp_offset): Remove.
8710 (save_restore_insns): Remove.
8711 (setup_spill_pointers): New.
8712 (finish_spill_pointers): New.
8713 (spill_restore_mem): New.
8714 (do_spill, do_restore): New.
8715 (ia64_expand_prologue): Rewrite to use them.
8716 (ia64_expand_epilogue): Likewise.
8717 (ia64_direct_return): Update for current_frame_info changes.
8718 (ia64_function_prologue): Simplify .prologue emission. Emit
8720 (ia64_setup_incoming_varargs): Don't ever emit rtl.
8721 (ia64_dbx_register_number): New.
8722 (ia64_initialize_trampoline): New.
8723 (ia64_secondary_reload_class): Request GR_REGS for integer
8724 arithmetic destined for FR_REGS.
8725 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
8726 (ia64_mark_machine_status): Mark ia64_gp_save.
8727 (rws_access_regno): Rename from rws_access_reg; don't treat
8728 predicates specially.
8729 (rws_access_reg): New. Update all callers.
8730 (rtx_needs_barrier): Remove dead unspecs.
8731 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
8732 (ia64_encode_section_info): Silence signed/unsigned warnings.
8733 (spill_offset, sp_offset, spill_offset_emitted): Remove.
8734 (tmp_reg, tmp_saved): Remove.
8735 (process_set): Rewrite to expect complicated bits via
8736 REG_FRAME_RELATED_EXPR.
8737 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
8738 in the use of ar.ccv; never set RTX_UNCHANGING_P.
8739 (ia64_expand_op_and_fetch): Likewise.
8740 (ia64_expand_compare_and_swap): Likewise.
8741 (ia64_expand_builtin): Likewise.
8742 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
8743 (FIRST_PSEUDO_REGISTER): Update.
8744 (AR_M_REGNO_P): Update.
8745 (FIXED_REGS): Don't mark three local registers as used.
8746 (EXTRA_CC_MODES): New.
8747 (SELECT_CC_MODE): New.
8748 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
8749 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
8750 (FRAME_GROWS_DOWNWARD): Unset.
8751 (STARTING_FRAME_OFFSET): Zero.
8752 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
8753 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
8754 (HARD_FRAME_POINTER_REGNUM): New.
8755 (CAN_DEBUG_WITHOUT_FP): Define.
8756 (TRAMPOLINE_TEMPLATE): Remove.
8757 (TRAMPOLINE_SIZE): Lower to 32.
8758 (TRAMPOLINE_ALIGNMENT): Lower to 64.
8759 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
8760 (PREDICATE_CODES): Update.
8761 (struct machine_function): Add ia64_gp_save.
8762 * config/ia64/ia64.md: Purge unused unspecs.
8763 (movsi patterns): Allow moves to/from AR_M_REGS.
8764 (movdi patterns): Allow moves to/from p0.
8765 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
8766 (gr_spill, gr_restore): Indicate ar.unat read/written.
8767 (nonlocal_goto): Don't pass old frame_pointer.
8768 (nonlocal_goto_receiver): Remove.
8769 (exception_receiver): New.
8770 (builtin_setjmp_setup): New.
8771 (builtin_setjmp_receiver): New.
8772 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
8773 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
8774 (__ia64_restore_stack_nonlocal): Likewise.
8775 (__ia64_trampoline): New.
8776 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
8778 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
8780 2000-08-08 Richard Henderson <rth@cygnus.com>
8782 * frame.h (ia64_frame_state): Add my_psp.
8783 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
8784 (__throw): Pass it in. Don't clobber r7.
8785 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
8786 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
8787 and nothing to do with sp.
8788 (normalize_reg_loc): Use frame->my_psp.
8789 (frame_translate): Handle frame-pointer-less functions. Set
8790 spill_base correctly, in absence of being told.
8791 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
8792 (__ia64_backtrace_helper): New sp argument. Use
8793 builtin_return_address instead of label addresses.
8794 (print_record) [mem_stack_v]: No size member.
8796 2000-08-08 Richard Henderson <rth@cygnus.com>
8798 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
8800 2000-08-08 Richard Henderson <rth@cygnus.com>
8802 * tm.texi (LOCAL_REGNO): Document.
8803 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
8804 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
8805 * reload1.c (reload): Likewise when considering nonlocal labels.
8807 * config/ia64/ia64.h (LOCAL_REGNO): New.
8808 * config/sparc/sparc.h (LOCAL_REGNO): New.
8810 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8812 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
8814 2000-08-07 Nick Clifton <nickc@redhat.com>
8816 * config/mips/mips.c: Fix compile time warning messages.
8817 * config/mips/mips-protos.h: Add prototype for equality_op.
8819 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
8821 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
8823 * mn10300.md: Use nonimmediate_operand instead of general_operand
8826 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
8828 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
8830 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
8831 * sh.c (expand_block_move): Break long lines.
8832 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
8833 * sh.md (mulsi3): Likewise.
8834 (movdi): Adjust spacing.
8836 2000-08-07 Richard Henderson <rth@cygnus.com>
8838 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
8839 * expr.c (emit_group_store): Don't set it.
8841 2000-08-07 Kazu Hirata <kazu@hxi.com>
8843 * invoke.texi (Options for Debugging Your Program or GCC): Remove
8844 duplicate entries for 'w' and 'z'.
8846 * flow.c: Fix a comment typo.
8848 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8850 * c-parse.in: Changed the language string for Objective-C to "GNU
8853 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8855 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
8856 to improve the Posix thread support for Objective-C.
8858 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
8860 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
8861 CTI_UNSIGNED_PTRDIFF_TYPE.
8862 (signed_size_type_node): Define.
8863 (unsigned_ptrdiff_type_node): Define.
8864 * c-decl.c (init_decl_processing): Create the
8865 signed_size_type_node and unsigned_ptrdiff_type_node types.
8866 * c-common.c (T_SC): Define.
8869 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
8870 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
8872 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
8873 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
8874 flags for %c, %s and %[.
8875 (check_format_info): Only allow leniency for signedness of targets
8876 of character pointers (when pedantic) for formats flagged with
8877 "c", so for strings but not for %hh formats. When pedantic, don't
8878 allow character pointers to substitute for void pointers if a
8879 second level of indirection is present.
8881 2000-08-06 Kazu Hirata <kazu@hxi.com>
8883 * invoke.texi (Options for Debugging Your Program or GCC): Update
8884 the names of dump files.
8886 * h8300.c (dosize): Rearrange code for conciseness.
8887 (split_adds_subs): Likewise.
8889 * loop.c: Fix formatting.
8891 * dwarf2out.c: Fix formatting.
8893 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
8895 * expr.c: Fix formatting.
8897 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8899 * rs6000.c (rs6000_maybe_dead): Prototype.
8901 2000-08-06 Richard Henderson <rth@cygnus.com>
8903 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
8904 HAVE_nonlocal_goto as well.
8905 * config/i960/i960.md (nonlocal_goto): Don't do it here.
8906 * config/pj/pj.md (nonlocal_goto): Likewise.
8908 2000-08-07 Michael Hayes <mhayes@cygnus.com>
8910 * loop.c (try_swap_copy_prop): New function.
8911 (load_mems): Rename copies to load_copies and add new regset
8912 store_copies. Check for sets of shadow registers and mark
8913 in store_copies. Call try_swap_copy_prop for registers
8914 marked in store_copies.
8916 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8918 * objc/objc-act.c: New command line option -fconstant-string-class
8919 to allow specifying a user defined constant string class,
8920 different from NXConstantString.
8922 * toplev.c: Moved the Objective-C specific options to
8923 objc/lang-options.h.
8925 * objc/lang-options.h: Moved the Objective-C specific options from
8926 toplev.c. Added -fconstant-string-class.
8928 2000-08-05 Chris Demetriou <cgd@sibyte.com>
8930 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8931 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
8932 __CTOR_LIST__ from func_ptr array to just func_ptr, to
8933 avoid extra alignment imposed on arrays.
8934 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8935 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
8937 * mips.h: Clean up comments and spacing near MASKs.
8938 (TARGET_UNIX_ASM): Delete.
8939 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
8940 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
8943 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
8945 * c-common.c (print_char_table): Add entries for the X/Open '
8946 format flag (print decimals with locale's thousands grouping
8947 character). Make %C expect wint_t.
8948 (check_format_info): If pedantic, warn when the %n$ operand
8949 number form is used. Allow for the ' flag; warn about it if
8952 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
8954 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
8955 type is a float mode, cfun->decl's return type is not, and
8956 TARGET_FLOAT_RETURNS_IN_80387.
8958 2000-08-04 Andreas Schwab <schwab@suse.de>
8960 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
8961 token list, which are always `#' and `pragma'.
8963 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
8965 * tree.c (tree_expr_nonnegative_p): Move to...
8966 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
8967 (rtl_expr_nonnegative_p): New.
8968 * tree.h: Add prototype for rtl_expr_nonnegative_p.
8970 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
8971 CONST_DOUBLE_CHAIN: Move to...
8972 * rtl.h: ...here. Use XCINT/XCEXP.
8974 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
8975 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
8976 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
8979 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
8981 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8983 * config/c4x/c4x.md (return_indirect_internal): New.
8984 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
8986 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8988 * c-common.c (time_char_table): Mark up formats added in C99 and
8989 make other corrections. %D and %g were added in C99. %Og is an
8990 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
8991 C99. %e was added in C99. %Oj is an extension. %G and %z are in
8992 C99 rather than GNU extensions, but %OG and %Oz are extensions.
8993 %h was added in C99. %C was added in C99. %OY and %OC are
8994 extensions. Add the C99 format %F.
8995 (check_format_info): If pedantic and not in C99 mode, warn for C99
8998 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9000 * function.c (schedule_fixup_var_refs): New function, broken out
9001 of put_reg_into_stack.
9002 (put_reg_into_stack): Use it.
9003 (put_var_into_stack): In CONCAT case, fixup up references for
9004 components only after fixing up references to the whole concat.
9006 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
9008 * alias.c (mark_constant_function): Use INSN_P.
9009 (init_alias_analysis): Likewise.
9010 * combine.c (combine_instructions): Use INSN_P.
9011 (can_combine_p): Likewise.
9012 (try_combine): Likewise.
9013 (distribute_notes): Likewise.
9014 (distribute_links): Likewise.
9015 * cse.c (cse_around_loop): Use INSN_P.
9016 (invalidate_skipped_block): Likewise.
9017 (cse_set_around_loop): Likewise.
9018 (cse_end_of_basic_block): Likewise.
9019 (delete_trivially_dead_insns): Likewise.
9020 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
9021 (unshare_all_rtl_1): Likewise.
9022 (next_cc0_user): Likewise.
9023 (try_split make_insn_raw): Likewise.
9024 (remove_unnecessary_notes): Likewise.
9025 * final.c (shorten_branches): Use INSN_P.
9026 (leaf_renumber_regs): Likewise.
9027 (leaf_renumber_regs_insn): Likewise.
9028 * flow.c (find_label_refs): Use INSN_P.
9029 (verify_wide_reg): Likewise.
9030 (notice_stack_pointer_modification): Likewise.
9031 (count_or_remove_death_notes): Likewise.
9032 (verify_flow_info): Likewise.
9033 (clear_log_links): Likewise.
9034 * function.c (fixup_var_refs_insns): Use INSN_P.
9035 (compute_insns_for_mem): Likewise.
9036 * gcse.c (alloc_gcse_mem): Use INSN_P.
9037 (compute_sets): Likewise.
9038 (compute_hash_table): Likewise.
9039 (classic_gcse): Likewise.
9041 (insert_insn_end_bb): Likewise.
9042 (delete_null_pointer_checks_1): Likewise.
9043 * global.c (expand_preferences): Use INSN_P.
9044 (build_insn_chain): Likewise.
9045 * graph.c (node_data): Use INSN_P.
9046 * haifa-sched.c (priority): Use INSN_P.
9047 (rm_line_notes): Likewise.
9048 (rm_other_notes): Likewise.
9049 (find_insn_reg_weight): Likewise.
9050 (init_target_units): Likewise.
9051 (schedule_block): Likewise.
9052 (compute_block_forward_dependences): Likewise.
9053 (debug_dependencies): Likewise.
9054 (set_priorities): Likewise.
9055 * integrate.c (function_cannot_inline_p): Use INSN_P.
9056 (save_parm_insns): Likewise.
9057 (copy_insn_list): Likewise.
9058 * jump.c (mark_all_labels): Use INSN_P.
9059 (never_reached_warning): Likewise.
9060 * lcm.c (optimize_mode_switching): Use INSN_P.
9061 * local-alloc.c (validate_equiv_mem): Use INSN_P.
9062 (memref_used_between_p): Likewise.
9063 (update_equiv_regs): Likewise.
9064 (block_alloc): Likewise.
9065 (no_conflict_p): Likewise.
9066 * loop.c (scan_loop): Use INSN_P.
9067 (find_and_verify_loops): Likewise.
9068 (count_loop_regs_set): Likewise.
9069 (loop_reg_used_before_p): Likewise.
9070 (strength_reduce): Likewise.
9071 (recombine_givs): Likewise.
9072 (check_dbra_loop): Likewise.
9073 (load_mems): Likewise.
9074 (try_copy_prop): Likewise.
9075 * print-rtl.c (print_rtx): Use INSN_P.
9076 * recog.c (find_single_use): Use INSN_P.
9077 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
9078 (next_flags_user): Likewise.
9079 (swap_rtx_condition): Likewise.
9080 * regmove.c (mark_flags_life_zones): Use INSN_P.
9081 (optimize_reg_copy_1): Likewise.
9082 (optimize_reg_copy_2): Likewise.
9083 (optimize_reg_copy_3): Likewise.
9084 (reg_is_remote_constant_p): Likewise.
9085 (fixup_match_2): Likewise.
9086 (regmove_optimize): Likewise.
9087 (fixup_match_1): Likewise.
9088 * regrename.c (build_def_use): Use INSN_P.
9089 (replace_reg_in_block): Likewise.
9090 (consider_use): Likewise.
9091 * reload.c (find_equiv_reg): Use INSN_P.
9092 * reload1.c (reload): Use INSN_P.
9093 (maybe_fix_stack_asms): Likewise.
9094 (calculate_needs_all_insns): Likewise.
9095 (reload_as_needed): Likewise.
9096 (emit_output_reload_insns): Likewise.
9097 (delete_address_reloads_1): Likewise.
9098 (reload_cse_regs_1): Likewise.
9099 (reload_combine): Likewise.
9100 (reload_cse_move2add): Likewise.
9101 * reorg.c (redundant_insn): Use INSN_P.
9102 (dbr_schedule): Likewise.
9103 * resource.c (find_dead_or_set_registers): Use INSN_P.
9104 (mark_target_live_regs): Likewise.
9105 * rtlanal.c (reg_used_between_p): Use INSN_P.
9106 (reg_referenced_between_p): Likewise.
9107 (reg_set_between_p): Likewise.
9108 (reg_set_p): Likewise.
9109 (single_set): Likewise.
9110 (multiple_sets): Likewise.
9111 (find_last_value): Likewise.
9112 (reg_set_last): Likewise.
9113 (find_reg_note): Likewise.
9114 (find_regno_note): Likewise.
9115 * sibcall.c (sequence_uses_addressof): Use INSN_P.
9116 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
9117 * ssa.c (find_evaluations): Use INSN_P.
9118 (rename_block): Likewise.
9119 (rename_equivalent_regs): Likewise.
9120 * unroll.c (loop_find_equiv_value): Use INSN_P.
9121 (set_dominates_use): Likewise.
9122 * varasm.c (mark_constant_pool): Use INSN_P.
9123 (mark_constants): Likewise.
9124 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
9125 (alphaev4_next_group): Likewise.
9126 (alphaev5_next_group): Likewise.
9127 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
9128 (c4x_rptb_rpts_p): Likewise.
9129 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
9130 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
9131 (rs6000_adjust_priority): Likewise.
9132 * config/sh/sh.c (sh_loop_align): Use INSN_P.
9133 (machine_dependent_reorg): Likewise.
9134 (split_branches): Likewise.
9135 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
9137 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
9139 * combine.c (recog_for_combine): Remove the old notes
9140 prior to attempting to recognize the new pattern.
9141 (distribute_notes): Ignore REG_NONNEG notes.
9143 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
9145 * varasm.c (output_constructor): Add .align 0 for packed vars.
9147 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9149 * configure.in: Use default thread_file even when enable_threads is
9150 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
9151 * configure: Rebuilt.
9153 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
9155 2000-08-04 Donn Terry (donnte@microsoft.com)
9157 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
9159 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9161 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
9162 Delete code that conditionally modifies 'version'.
9163 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
9164 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
9165 * gcc.c (main): Use it.
9166 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
9167 * prefix.c (update_path): Use it.
9168 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
9169 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
9170 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
9172 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
9173 (SUBTARGET_SWITCHES): Adjust.
9174 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
9176 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
9178 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9180 * c-common.h (flag_isoc94): Declare.
9181 * c-decl.c (flag_isoc94): Define.
9182 (c_decode_option): Set flag_isoc94 as appropriate.
9183 * c-common.c (T_PD, T_IM, T_UIM): Define.
9184 (format_char_info): Add tlen and jlen.
9185 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
9187 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
9189 (time_char_table): Add NULL entries for %t and %j.
9190 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
9191 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
9192 Warn for printf %lf if pedantic and not C99. Don't warn for empty
9193 precision. Allow precision argument to be unsigned int. If
9194 pedantic, warn for %p passed an argument not a pointer to possibly
9195 qualified void or a possibly qualified character type, and for
9196 pointer targets of the wrong sign, except for character pointers.
9198 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9200 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
9201 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
9202 (wint_type_node): Define.
9203 * c-decl.c (WINT_TYPE): Define.
9204 (init_decl_processing): Create the wint_type_node type.
9205 * c-common.c (T_WI): Define.
9206 (print_char_table): Use T_WI for %lc format.
9208 2000-08-04 Bruce Korb <bkorb@gnu.org>
9210 * fixinc/: Verified that the MSDOS patch does not break
9211 the UNIX functionality and applied the next three patches
9214 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
9216 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
9217 output file with the temporary one by appending ".X" to generate
9218 the temporary fuile's name. If the output file already has an
9219 extension, replace it with ".X".
9221 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
9222 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
9223 reallocate the command buffer while copying the command-line
9224 argument. Redirect the output directly to the temporary file,
9225 instead of going through another temporary file.
9226 (process): Close the temporary file before unlinking it.
9227 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
9228 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
9229 (run_compiles): Pass p_fixd argument to machine_matches, as it
9232 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
9233 environment, assume there are no symlinks in the include
9234 directory. When cleaning up the DONE files, look for them
9235 case-insensitively. Don't try to remove symlinks if they aren't
9238 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
9239 all callers changed. Declare pz "const char *", to avoid compiler
9242 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
9243 Change prototype of make_raw_shell_str.
9245 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
9247 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
9248 (initialize) [__MSDOS__]: Use tempnam.
9249 (initialize): Don't use SIGPIPE if it is not defined.
9251 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
9254 2000-07-25 Bruce Korb <bkorb@gnu.org>
9256 * fixinc/fix*.[ch]: substantially reworked to make it possible
9257 to run this program without using fork(2) or pipe(2) (i.e. in
9260 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9262 * cppdefault.h (WINT_TYPE): Define.
9263 * cppinit.c (builtin_array): Define __WINT_TYPE__.
9264 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
9265 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
9267 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
9269 * (mips_legitimate_address_p): Don't allow register+offset
9270 if the offset is large and negative, and we are compiling
9271 for 64 bit registers.
9273 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9275 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
9276 insn_code_number + 1.
9278 2000-08-04 Kazu Hirata <kazu@hxi.com>
9280 * h8300.c (function_prologue): Rearrange code for conciseness.
9281 (function_epilogue): Likewise.
9282 * h8300.h (OK_FOR_U): Fix formatting.
9284 * cse.c: Fix a comment typo. Fix formatting.
9286 2000-08-03 Richard Henderson <rth@cygnus.com>
9288 * config/i386/i386.md (return_indirect_internal): New.
9289 * config/i386/i386.c (ix86_expand_epilogue): Use it.
9291 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
9293 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
9295 (lex_line): Glue @ onto the beginning of identifiers and
9296 string constants, in Objective-C mode.
9297 (output_token, spell_token): Handle CPP_OSTRING.
9298 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
9299 beginning of a NAME or a STRING, in objc mode.
9301 * cpplib.c (get_define_node): Do not permit identifiers that
9302 begin with @ to be #defined.
9303 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
9304 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
9306 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
9307 * c-tree.h (build_objc_string): Delete prototype.
9308 * objc/objc-tree.def: Delete OBJC_STRING_CST.
9309 * c-lex.c (yylex): Use build_string for all three kinds of strings.
9311 * c-parse.in, objc/objc-act.c: Update commentary.
9313 2000-08-03 Mark Mitchell <mark@codesourcery.com>
9315 * extend.texi: Fix typo in last change.
9317 * extend.texi: Add commentary on statement-expressions and their
9318 interactions with C++.
9320 2000-08-03 Nick Clifton <nickc@cygnus.com>
9322 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
9323 * dwarf.h (LANG_JAVA): Change value to 0x000b.
9325 2000-08-03 Anthony Green <green@cygnus.com>
9327 * dwarf2out.c (gen_compile_unit_die): Add java language support.
9328 (add_bound_info): Check for java language.
9329 (is_java): New function.
9330 * dwarfout.c (output_compile_unit_die): Ditto.
9331 * dwarf.h (dwarf_source_language): Add java source language type.
9332 * dwarf2.h (dwarf_source_language): Ditto.
9334 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9336 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
9339 * i386.c (ix86_expand_branch): Mode of comparison in
9340 IF_THEN_ELSE is VOIDmode.
9342 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
9344 * gengenrtl.c, rtl.c: Avoid #elif.
9346 2000-08-03 Michael Poole <poole@troilus.org>
9348 * tm.texi (Register Classes): Clarify order of sub-initializers
9349 in REG_CLASS_CONTENTS.
9351 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9353 From SAITOH Masanobu:
9354 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
9356 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
9358 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
9359 is not supported by tradcpp and isn't actually needed for cygwin.
9361 2000-08-03 Kazu Hirata <kazu@hxi.com>
9363 * h8300.c: Fix a comment typo.
9364 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
9366 * jump.c: Fix formatting.
9368 * toplev.c: Fix formatting.
9370 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
9372 * flow.c (find_auto_inc): Verify that we've got a REG before
9373 peeking at its regno. Fail, don't abort if we can't find
9374 the increment of the desired register.
9376 * pa.md (shadd height reduction patterns/splitters): Remove.
9378 2000-08-02 Jim Wilson <wilson@cygnus.com>
9380 * config/ia64/ia64-protos.h (flag_ssa): Declare.
9381 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
9383 2000-08-02 Mark Mitchell <mark@codesourcery.com>
9385 * dce.c: Remove all uses of assert.
9386 * dwarf2out.c: Likewise.
9387 * dwarfout.c: Likewise.
9390 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9392 * gcc.h (lang_specific_driver): Constify second argument.
9393 * gcc.c (translate_options, process_command, main): Likewise.
9394 Constify variables to match. Cast second argument to
9397 * cppspec.c, gccspec.c: Adjust type of second argument to
9398 lang_specific_driver, and update code as necessary.
9400 2000-08-02 Jakub Jelinek <jakub@redhat.com>
9402 * loop.c (scan_loop): Ensure update_end label does not
9403 go away until reg_scan_update is run.
9405 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9407 * c-common.h: Prototype min_precision and c_build_qualified_type here...
9408 * c-tree.h: ... not here.
9409 * errors.h: Prototype fancy_abort.
9411 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
9412 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
9413 * regrename.c (regrename_optimize): Make control flow explicit.
9414 (replace_reg_in_block): Initialize reg_use to 0.
9416 * i386.c (legitimate_address_p): Rename error label to
9417 report_error to avoid namespace clash.
9419 2000-08-02 Kazu Hirata <kazu@hxi.com>
9421 * fold-const.c: Fix formatting.
9423 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
9425 * i386.c (legitimate_address_p): Accept other bases than
9426 pic_offset_table_rtx for GOTOFF constructs.
9428 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9430 * i386.md (shift to lea splitter): Use const_int_operand.
9432 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9434 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
9435 cppspec.c: Do not use 'legal' or 'illegal' in error messages
9438 * cppmain.c (cb_define, cb_undef): Don't generate any output
9439 if not done_initializing.
9440 * cpplex.c (maybe_paste_with_next): When the token after a ##
9441 is an omitted rest argument, only delete the token before it
9442 if that token is a comma. Do not warn about bogus token
9443 pastes for , ## rest_arg.
9446 * cpp.1: Regenerate.
9448 2000-08-02 Fred Fish <fnf@be.com>
9450 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
9451 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
9454 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
9455 Be directories to search path.
9457 Remove support for __declspec(dllimport) and __declspec(dllexport).
9458 This is leftover cruft from the earlier BeOS gcc port when BeOS
9459 used Microsoft's PE object file format.
9460 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
9461 * config/i386/t-beos (winnt.o): Remove Makefile frag.
9462 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
9463 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
9464 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9465 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
9466 (REDO_SECTION_INFO_P): Remove.
9467 (ASM_EXPORT_DECL): Remove.
9468 (ASM_DECLARE_FUNCTION_NAME): Remove.
9469 (ASM_DECLARE_OBJECT_NAME): Remove.
9470 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
9471 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
9472 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
9473 (STRIP_NAME_ENCODING): Remove.
9475 Remove support for obsolete version of BeOS that is no longer
9477 * configure.in (i*86-*-beospe*): Remove.
9478 * config/i386/beos-pe.h: Remove.
9480 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
9481 Mark Mitchell <mark@codesourcery.com>
9483 * Makefile.in (OBJS): Added dce.o.
9484 (ssa.o): Updated target to include ssa.h.
9486 (toplev.o): Likewise.
9487 (dce.o): Created target.
9488 * basic-block.h: Added comments.
9489 (INVALID_BLOCK): Added definition.
9490 (connect_infinite_loops_to_exit): Added declaration.
9491 Moved SSA declarations to ssa.h.
9492 * flow.c: Added inclusion of ssa.h.
9493 (struct depth_first_search_dsS, depth_first_search_ds):
9495 (compute_immediate_postdominators): Added definition.
9496 (connect_infinite_loops_to_exit): Likewise.
9497 (flow_dfs_compute_reverse_init): Likewise.
9498 (flow_dfs_compute_reverse_add_bb): Likewise.
9499 (flow_dfs_compute_reverse_execute): Likewise.
9500 (flow_dfs_compute_reverse_finish): Likewise.
9501 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
9502 (LABEL_P): Added definition.
9505 (BARRIER_P): Likewise.
9506 (JUMP_TABLE_DATA_P): Likewise.
9507 (INSN_DEAD_CODE_P): Likewise.
9508 * ssa.c: Replaced inclusions with ssa.h inclusion.
9509 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
9510 (rename_registers): Removed unnecessary variables.
9511 * ssa.h: Created by moving declarations from ssa.c and
9513 * timevar.def: Defined TV_DEAD_CODE_ELIM.
9514 * toplev.c: Added ssa.h inclusion.
9515 (dump_file_index): Added DFI_dce.
9516 (dump_file): Added "dce" entry.
9518 (f_options): Added dce entry.
9519 * invoke.texi: Document -fdce. Emphasize experimental status of
9523 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
9525 * cpperror.c (v_message): Split into _cpp_begin_message and
9526 v_message macro. All callers updated.
9527 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
9530 * cppfiles.c (cpp_syshdr_flags): New function.
9531 (read_include_file): Don't call cpp_output_tokens. Call
9533 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
9534 (cpp_reader_init): Don't initialize token_buffer. Call
9535 _cpp_init_internal_pragmas.
9536 (cpp_cleanup): Don't clear token_buffer.
9537 (cpp_start_read): Don't worry about output from -D processing.
9538 Don't call cpp_output_tokens.
9539 (cpp_finish): Don't dump macros here. Don't call
9541 * cppmacro.c (_cpp_dump_definition): Rename
9542 cpp_dump_definition. Write directly to a FILE *.
9543 (dump_funlike_macro): Delete.
9544 (dump_macro_args): New.
9546 * cpplex.c (TOKEN_LEN): Convert to inline function.
9547 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
9548 cpp_scan_line, _cpp_dump_list): Delete.
9549 (cpp_printf, cpp_output_list): New.
9550 (output_line_command): Don't worry about entering or leaving files.
9551 (cpp_scan_buffer): Just output each token as we hit it.
9552 (process_directive): Don't call cpp_output_tokens.
9553 (_cpp_glue_header_name): Don't use token_buffer.
9554 (output_token, dump_param_spelling): Write directly to a FILE *.
9556 * cpplib.c (pass_thru_directive, dump_macro_name,
9557 pragma_dispatch, do_pragma_gcc): Delete.
9558 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
9559 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
9561 (do_error, do_warning, pragma_dependency): Call
9562 _cpp_begin_message, then cpp_output_list.
9563 (cpp_register_pragma, cpp_register_pragma_space,
9564 _cpp_init_internal_pragmas): New.
9565 (do_pragma): Walk the pragmas table here.
9566 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
9567 do_pragma_dependency): Return void.
9568 (do_pragma_implementation): Moved to cppmain.c.
9570 * cpplib.h: Update prototypes.
9571 (struct cpp_reader): Remove printer, token_buffer,
9572 token_buffer_size, and limit. Add struct cb, and pragmas.
9573 (struct cpp_printer): Remove last_id and written.
9574 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
9575 CPP_ADJUST_WRITTEN): Delete.
9576 * cpphash.h: Update prototypes.
9577 (ufputs): New wrapper.
9579 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
9580 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
9581 (main): Set up callbacks. Register #pragma implementation.
9582 Dump macros from here.
9584 2000-08-01 Geoff Keating <geoffk@cygnus.com>
9586 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
9587 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
9588 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
9589 insns if they have a REG_MAYBE_DEAD note attached.
9590 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
9591 (rs6000_emit_load_toc_table): TOC loads may go dead.
9593 2000-08-01 Jim Wilson <wilson@cygnus.com>
9595 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
9596 type exists before using it. Use number of words as alignment
9598 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
9599 ia64_va_arg): Propagate ia64_function_args changes here.
9601 2000-08-01 Richard Henderson <rth@cygnus.com>
9603 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
9604 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
9606 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
9608 From Joern Rennecke:
9609 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
9610 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
9611 unless TARGET_SH3E is set.
9612 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
9614 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
9615 (ashlsi3_std): New pattern.
9616 (ashlsi3 expander): Use it for TARGET_SH3.
9617 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
9619 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9621 * loop.c (canonicalize_condition): Use destination, not source to
9622 determine SET's mode.
9624 2000-07-31 Mark Mitchell <mark@codesourcery.com>
9626 * flow.c (clear_log_links): Fix typo.
9628 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
9630 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
9631 on targets which need more than one insn for a compare/cbranch
9634 2000-07-31 Jim Wilson <wilson@cygnus.com>
9636 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
9637 when computing offset.
9639 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
9641 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
9643 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9645 * flow.c (clear_log_links): Nuke global_live_at_start and
9646 global_live_at_end data, since if the log_links stuff is invalid
9647 so is global_live_at_*.
9649 2000-07-31 Richard Henderson <rth@cygnus.com>
9651 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
9653 2000-07-31 Jakub Jelinek <jakub@redhat.com>
9655 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
9656 (_cpp_get_token): Don't macro expand a just pasted token if it
9657 was pasted at no_expand_level.
9659 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9661 * cppmacro.c (find_param, count_params, save_expansion):
9662 Permit 'defined' as a macro parameter name.
9664 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9666 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
9667 xcpp to cpp throughout.
9668 (native): Remove unnecessary dependency on cpp.
9670 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
9671 tradcpp to tradcpp0.
9672 (.i spec): Add missing output-file spec to cc1 command line.
9673 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
9675 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9677 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
9678 (implicit_decl_warning): New function.
9679 (implicitly_declare): Use it.
9680 * c-typeck.c (build_external_ref): Use implicit_decl_warning
9681 to complain about implicit decls of builtins.
9683 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
9684 based on pedantic && flag_isoc99, if not already set.
9685 * c-tree.h: Declare mesg_implicit_function_declaration.
9686 Prototype implicit_decl_warning.
9688 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
9690 * Makefile.in (ssa.o): Updated header files in dependences.
9691 * basic-block.h: Added compute_immediate_postdominators declaration.
9692 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
9694 * flow.c (compute_immediate_dominators): Updated comment.
9695 (compute_immediate_postdominators): Added definition.
9696 * rtl.h (HARD_REGISTER_P): Added definition.
9697 * ssa.c: Include additional header files.
9698 (assert): Added definition.
9699 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
9700 include select hard registers.
9701 (ssa_rename_to_insert): Likewise.
9702 (ssa_rename_from_initialize): Likewise.
9703 (ssa_rename_from_lookup): Likewise.
9704 (original_register): Likewise.
9705 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
9706 include select hard reigsters.
9707 (ssa_rename_from_traverse): Likewise.
9708 (ssa_rename_from_free): Likewise.
9709 (ssa_rename_from_print): Likewise.
9710 (ssa_rename_from_print_1): Likewise.
9711 (ssa_rename_from_hash_function): Likewise.
9712 (ssa_rename_from_equal): Likewise.
9713 (ssa_rename_from_delete): Likewise.
9714 (simplify_to_immediate_dominators): Removed in favor of
9715 flow.c:compute_immediate_dominators.
9716 (find_evaluations_1): Modified to work with hard registers.
9717 (insert_phi_node): Likewise.
9718 (insert_phi_nodes): Likewise.
9719 (struct rename_set_data): Updated prev_reg comment.
9720 (create_delayed_rename): Modified to work with hard registers.
9721 (RENAME_NO_RTX): Updated comment.
9722 (apply_delayed_renames): Modified to work with hard registers.
9723 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
9724 (rename_block): Updated to use revised ssa_rename_to interface.
9725 (rename_registers): Updated to use revised ssa_rename_to and
9726 ssa_rename_from interface.
9727 (convert_to_ssa): Revised to use compute_immediate_dominators and
9728 deal with hard registers.
9729 (make_regs_equivalent_over_bad_edges): Modified to work with hard
9730 registers. Added check for illegal unification of hard register.
9731 (make_equivalent_phi_alternatives_equivalent): Modified to work
9732 with hard registers.
9733 (compute_conservative_reg_partition): Likewise.
9734 (coalesce_if_unconflicting): Modified to work with hard registers
9735 and check for conflicting hard registers.
9736 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
9738 (rename_equivalent_regs_in_insn): Modified to work with hard
9740 (record_canonical_element_1): Added definition.
9741 (check_hard_regs_in_partition): Added definition.
9742 (convert_from_ssa): Added data structure deallocation and check
9743 for illegal hard register unification.
9744 (conflict_hard_regs_p): Added definition.
9745 * toplev.c (rest_of_compilation): Added comment.
9747 2000-07-31 Anthony Green <green@redhat.com>
9749 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
9751 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
9753 * builtins.c (expand_builtin_apply): Don't defer pop during
9756 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9758 * calls.c (combine_pending_stack_adjustment_and_call): Only use
9759 preferred_unit_stack_boundary when it is > 1.
9761 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
9763 * c-common.c (init_function_format_info): Add C99 format functions
9766 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
9767 void' or 'register void' as being the special case of 'void' alone
9768 in a parameter list.
9770 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
9771 discarding qualifiers into a plain warning.
9773 2000-07-31 Kazu Hirata <kazu@hxi.com>
9775 * combine.c: Fix formatting.
9777 * h8300.md: Fix formatting.
9779 * local-alloc.c: Fix formatting.
9781 * h8300.c (get_shift_alg): Remove the variable alg.
9782 (emit_a_shift): Rearrange code to improve readability.
9784 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
9786 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
9787 HImode on all architectures and a combination of HImode and SImode
9788 on H8/300H and H8/S.
9790 * h8300.c (split_adds_subs): Rearrange code for conciseness.
9792 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
9794 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
9797 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9799 * recog.c (extract_insn): Set operand_mode according to
9800 operand if match_operand is VOIDmode.
9802 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
9804 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
9806 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9808 * c-parse.in (extdefs): Call ggc_collect between external
9811 2000-07-30 Michael Hayes <mhayes@cygnus.com>
9812 Richard Henderson <rth@cygnus.com>
9814 * Makefile.in (OBJS): Add doloop.o.
9815 * doloop.c: New file.
9817 * final.c (insn_current_reference_address): Return 0 before final.
9818 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
9819 * jump.c (any_uncondjump_p): Likewise.
9820 * loop.c (indirect_jump_in_function): Make static.
9821 (strength_reduce): Call doloop_optimize.
9822 (insert_bct, instrument_loop_bct): Remove.
9823 * loop.h (doloop_optimize): Prototype.
9824 * recog.c (split_all_insns): Split all INSN_P.
9825 * toplev.c (flag_branch_on_count_reg): Default on.
9827 * config/c4x/c4x.c (c4x_optimization_options): Don't set
9828 flag_branch_on_count_reg.
9829 * config/i386/i386.c (override_options): Likewise.
9830 * config/rs6000/rs6000.c (optimization_options): Likewise.
9832 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
9834 (dbra_ge): Remove, as well as all it's splitters.
9836 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
9839 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
9840 (ia64_register_move_cost): Declare.
9841 * config/ia64/ia64.c (ar_lc_reg_operand): New.
9842 (struct ia64_frame_info): Add ar_size.
9843 (ia64_compute_frame_size): Set it.
9844 (save_restore_insns): Save and restore ar.lc.
9845 (ia64_register_move_cost): New, moved from header file. Handle
9846 application registers.
9847 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
9848 (emit_insn_group_barriers): Special case doloop_end_internal.
9849 (ia64_epilogue_uses): Mark ar.lc live at end.
9850 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
9851 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
9852 (FIRST_PSEUDO_REGISTER): Make room.
9853 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
9854 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
9855 (REG_ALLOC_ORDER): Update.
9856 (HARD_REGNO_MODE_OK): Update.
9857 (REGISTER_NAMES): Update.
9858 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
9859 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
9860 (REGNO_REG_CLASS): Update.
9861 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
9862 (REGISTER_MOVE_COST): Move out of line.
9863 (PREDICATE_CODES): Update.
9864 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
9865 (addsi3_plus1_alt, adddi3_plus1_alt): New.
9866 (shladd_elim splitter): Allow constants in the predicate.
9867 (doloop_end, doloop_end_internal): New.
9869 2000-07-30 Richard Henderson <rth@cygnus.com>
9871 * genattrtab.c (struct insn_def): Add lineno member.
9872 (struct insn_ent): Likewise.
9873 (struct attr_desc): Likewise.
9874 (struct delay_desc): Likewise.
9875 (struct function_unit_op): Likewise.
9876 (struct function_unit): Likewise.
9877 (check_attr_value): Use message_with_line.
9878 (check_defs): Likewise.
9879 (expand_units): Likewise.
9880 (check_attr_test): Take a lineno argument.
9881 (gen_attr): Likewise.
9882 (gen_insn): Likewise.
9883 (gen_delay): Likewise.
9884 (gen_unit): Likewise.
9885 (main): Give it to them.
9886 (convert_set_attr_alternative): Take an insn_def argument
9887 instead of num_alt and insn_index.
9888 (convert_set_attr): Likewise.
9889 (write_test_expr): Protect INSN_ADDRESSES load
9890 with INSN_ADDRESSES_SET_P.
9892 2000-07-30 Richard Henderson <rth@cygnus.com>
9894 * flow.c (init_propagate_block_info): Use pc_set.
9896 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9898 * i386.md (*lea_general_[123]) New insns and splits.
9899 (addsi3 to lea splitter): Handle other modes too.
9900 (shlsi3 to lea splitter): Likewise.
9901 (addhi_1_lea, shlhi_1_lea): New patterns.
9902 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
9904 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9906 * recog.c (general_operand, nonimmediate_operand): Accept
9907 any mode for VOIDmode CONSTANT_P operands.
9909 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9911 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
9912 instead of replace_rtx.
9913 * recog.c (validate_replace_rtx_subexp): New function.
9914 * recog.h (validate_replace_rtx_subexp): Declare.
9916 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9918 * combine.c (simplify_set, make_extraction, make_compound_operation
9919 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
9920 as force_to_mode argument.
9922 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
9924 * combine.c (if_then_else_cond): Be sure that mode fits in
9927 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
9929 * combine.c (record_promoted_value): Allow bitsize of mode
9930 to be equivalent to HOST_BITS_PER_WISE_INT.
9932 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9934 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
9935 Do not call gen_mode_alignment when mode is BLKmode.
9937 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
9939 * loop.c (express_from_1): Fix call of simplify_gen_binary.
9941 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
9943 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
9944 VOIDmode implies both operands to be VOIDmode.
9945 (simplify_ternary_operation): Compute properly the mode of comparison.
9946 * combine.c (combine_simplify_rtx): Likewise.
9948 2000-07-25 Michael Hayes <mph@paradise.net.nz>
9950 * basic-block.h (struct loops): New field rc_order.
9951 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
9952 (flow_loops_free): Free rc_order.
9953 (flow_depth_first_order_compute): New parameter rc_order.
9954 (flow_loops_find): Allocate rc_order and swap usage with
9957 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9958 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9960 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
9961 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
9962 (nodb_call, return_from_epilogue): Likewise.
9963 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
9964 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
9965 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
9966 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9967 (c4x_valid_type_attribute_p): Likewise.
9968 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
9969 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
9971 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9973 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
9974 and loadhi_big_constant if applicable.
9975 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
9976 and add new splitter.s
9978 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9980 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
9982 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9984 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
9986 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9988 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
9990 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9992 * config/c4x/libgcc.S (divqf3): Improve accuracy.
9994 2000-07-27 Mark Mitchell <mark@codesourcery.com>
9996 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
9997 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
9998 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
9999 (get_prev_bb_note): Likewise.
10000 (remove_scope_notes): Likewise.
10001 * flow.c (commit_one_edge_insertion): Likewise.
10002 (merge_blocks_nomove): Likewise.
10003 (verify_flow_info): Likewise.
10004 * gcse.c (insert_insn_end_bb): Likewise.
10005 * reg-stack.c (emit_swap_insn): Likewise.
10006 * ssa.c (first_insn_after_basic_block_note): New function.
10007 (insert_phi_node): Use it.
10008 (rename_block): Likewise.
10009 (eliminate_phi): Likewise.
10010 (make_regs_equivalent_over_bad_edges): Likewise.
10011 (make_equivalent_phi_alternatives_equivalent): Likewise.
10012 (for_each_successor_phi): Likewise.
10013 (convert_from_ssa): Modify phi-node deletion algorithm.
10015 2000-07-29 Andreas Jaeger <aj@suse.de>
10017 * configure.in (mips*-*-linux*): Use mips*el to check for little
10018 endian MIPS, add tmake_file.
10020 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
10021 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
10022 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
10024 2000-07-28 Richard Henderson <rth@cygnus.com>
10026 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
10027 Sign extend mode size before negating.
10029 2000-07-28 Richard Henderson <rth@cygnus.com>
10031 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
10033 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
10035 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
10036 (cse_insn): Likewise.
10037 (addr_affects_sp_p): Likewise.
10038 * expr.c (move_by_pieces): Likewise.
10039 (clear_by_pieces): Likewise.
10040 * gcse.c (oprs_unchanged_p): Likewise.
10041 * haifa-sched.c (sched_analyze_2): Likewise.
10042 * recog.c (offsettable_address_p): Likewise.
10043 * regclass.c (record_address_regs): Likewise.
10044 * reload.c (find_reusable_reload): Likewise.
10045 (push_reload): Likewise.
10046 (operands_match_p): Likewise.
10047 (decompose): Likewise.
10048 (find_reloads_address_1): Likewise.
10049 (find_inc_amount): Likewise.
10050 * reload1.c (elimination_effects): Likewise.
10051 * resource.c (mark_set_resources): Likewise.
10052 * flow.c (attempt_auto_inc): New function; mostly broken out
10054 (find_auto_inc): Split into two functions and enhanced to
10055 generate POST_MODIFY.
10056 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
10057 * rtl.h (count_all_occurrences): Declare.
10058 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
10060 * rtlanal.c (count_all_occurrences): New function.
10061 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
10062 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
10064 * config/ia64/ia64-protos.h (destination_operand): Declare.
10065 * config/ia64/ia64.c (destination_operand): New function.
10066 (ia64_print_operand): Handle POST_MODIFY.
10067 (rtx_needs_barrier): Likewise.
10068 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
10069 (HAVE_POST_MODIFY_REG): Define to 1.
10070 (MAX_REGS_PER_ADDRESS): Change to 2.
10071 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
10072 (LEGITIMATE_ADDRESS_REG): New helper macro.
10073 (LEGITIMATE_ADDRESS_DISP): Likewise.
10074 (PREDICATE_CODES): Add entry for destination_operand.
10075 * config/ia64/ia64.md (all mov patterns): Use destination_operand
10076 predicate for operand 0.
10078 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10080 * dwarf2out.c: Indent #error directive.
10082 * gbl-ctors.h: Fix typo in comment.
10083 (__do_global_ctors): Prototype.
10085 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10087 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10088 (print_operand): Initialize variable `t'.
10090 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10092 * config/arm/arm.md ("call_value"): removed constraints.
10093 Constraints are ignored in expanders.
10094 (*call_value_reg): split =rf into various constraints.
10095 (*call_value_mem): same
10096 (*call_value_symbol): same
10097 (*sibcall_value_insn): same
10099 2000-07-28 Philipp Thomas <pthomas@suse.de>
10101 * install.texi (--enable-nls): Change the description of the NLS
10102 related configure options to match the current state.
10103 (--with-included-gettext): Likewise.
10104 (--enable-maintainer-mode): New description added.
10105 * extend.texi (-fstrict-prototype): Add missing '.'.
10107 2000-07-27 Jim Wilson <wilson@cygnus.com>
10109 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
10110 DECL_INITIAL (decl) == NULL_TREE.
10112 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
10114 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
10115 on insn-attr.h with it.
10116 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
10117 * insn-addr.h: New header.
10118 (insn_addresses_): Renamed from insn_addresses.
10119 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
10120 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
10121 INSN_ADDRESSES_NEW): New macros.
10122 * genattrtab.c (write_test_expr): Use new macros.
10123 * final.c (insn_addresses, init_insn_lengths): Likewise.
10124 (align_fuzz, shorten_branches): Likewise.
10125 (final): Likewise. Do not reject new insns if their addresses
10126 have been added to INSN_ADDRESSES.
10127 * config/arm/arm.c, config/avr/avr.c: Use new macros.
10128 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
10129 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
10130 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
10131 * config/sh/sh.c: Likewise.
10132 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
10134 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
10136 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
10138 * gcc.c (struct prefix_list): Add member priority.
10139 (enum path_prefix_priority): Declare.
10140 (add_prefix): Replace ``first'' with ``priority''. Append new
10141 entry but keep list in priority order.
10142 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
10143 PREFIX_PRIORITY_LAST to add_prefix.
10144 (process_command): Move include kludge - foo/stageN - to before
10147 2000-07-27 Jason Merrill <jason@redhat.com>
10149 * dwarf2out.c (gen_typedef_die): Abort if we get identical
10150 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
10152 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
10154 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
10155 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
10157 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
10159 * c-decl.c (finish_function): Don't treat 'main' specially unless
10160 flag_hosted. In C99 mode, return 0 from 'main' unless
10161 DEFAULT_MAIN_RETURN is otherwise defined.
10163 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
10164 parameters defaulting to int in an old-style function definition.
10166 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10168 * c-parse.in (string): For -Wtraditional, warn about string
10169 concatenation only once per line.
10171 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
10173 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
10174 for HI-UX/WE2 systems.
10176 2000-07-24 Bruce Korb <bkorb@gnu.org>
10178 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
10179 defining the __xxx_TYPE__ macros.
10180 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
10181 * fixincl/fixlib.h: don't need to include "tm.h" anymore
10182 * fixincl/inclhack.def(type_map): now obsolete
10184 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
10186 * cpp.texi: Append a trailing full-stop to xrefs where needed.
10188 2000-07-26 Dave Pitts <dpitts@cozx.com>
10190 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
10192 (mvs_hash_alias): New function.
10193 (mvs_add_alias): Change argument spacing.
10194 (mvs_need_alias): Change aliasing criteria. Added documentation.
10195 (mvs_get_alias): Change to use hashed name. The hashed name prevents
10196 CSECT name collisions.
10197 (mvs_check_alias): Likewise.
10198 (handle_pragma): Change documentation.
10199 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
10200 mode from SImode to DImode.
10201 (iorhi3): Changed LTORG size for insn.
10203 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
10205 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
10206 mem if the address is a mode_dependent_address_p.
10208 2000-07-26 Kazu Hirata <kazu@hxi.com>
10210 * h8300.c (print_operand): Print ":8" when the 'R' operand is
10211 suitable for 8-bit absolute.
10212 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
10213 (OK_FOR_U): Add a case for the 8-bit constant address on the
10216 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
10218 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
10219 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
10220 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
10221 lack of implemented alignment.
10223 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
10225 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
10226 cross-compiling between 64-bit and 32-bit machines.
10228 2000-07-27 Richard Henderson <rth@cygnus.com>
10230 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
10231 (movhicc_astep, movhi_internal_astep): New.
10232 (movsicc_astep, movsi_internal_astep): New.
10233 (movdicc_astep, movdi_internal_astep): New.
10234 (movsfcc_astep, movsf_internal_astep): New.
10235 (movdfcc_astep, movdf_internal_astep): New.
10236 (movxfcc_astep, movxf_internal_astep): New.
10237 (cmovdi_internal_astep, cmovsi_internal_astep): New.
10238 Unify the cmov[ds]i splitters.
10240 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
10242 * real.c (asctoeg): Rename `error' label to unexpected_char_error
10244 2000-07-26 Nick Clifton <nickc@cygnus.com>
10246 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
10247 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
10249 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
10250 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
10252 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
10254 * c-decl.c (finish_enum): Convert enumerations that fit in an
10256 (build_enumerator): In pedantic mode, cast to `int' those that
10259 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
10261 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
10263 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10265 * sh.md (cmpgtdi_t): Must be split.
10266 (cmpgtdi_t+1): New splitter.
10268 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10270 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
10271 warnings for indented directives even if we are skipping.
10273 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
10275 * invoke.texi (strict-prototypes): Remove.
10276 * extend.texi (Deprecated Features): Add strict-prototypes.
10277 (Backwards Compatibility): New node.
10279 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10281 * config/i386/i386.md (andsi_1+1): Allow HImode.
10282 (andsi_1+2): Require q_regs_operand.
10284 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10286 * config/i386/i386.md (call_pop): Check operands[0],
10287 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10289 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10290 (call_value): Likewise.
10292 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10294 * toplev.c (pipe_closed): Delete.
10295 (crash_signal): New. Generate ICE for a fatal signal.
10296 (float_signal): Call crash_signal outside a float-handler
10298 (main): Install crash_signal as handler for core-dumping signals.
10300 2000-07-25 David Edelsohn <edelsohn@gnu.org>
10302 * rs6000.c (print_operand, case 'T'): New case.
10304 * rs6000.md (call_indirect_aix32): Convert to expander of
10305 scheduled instructions.
10306 (call_indirect_aix64): Likewise.
10307 (call_value_indirect_aix{32,64}): Likewise.
10308 (call, call_value): Invoke expanders for AIX. Fall through to
10310 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
10311 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
10312 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
10313 only "g" constraint.
10314 (call_nonlocal_aix64): Likewise.
10315 (call_value_nonlocal_aix{32,64}): Likewise.
10316 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
10318 (call_value_nonlocal_sysv): New pattern.
10319 (indirect_jump{si,di}): Use new 'T' modifier.
10320 (tablejump{si,di} matchers): Likewise.
10321 (return_internal_{si,di}): Likewise.
10322 (return_eh_{si,di}): Likewise.
10324 2000-07-24 Richard Henderson <rth@cygnus.com>
10326 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
10327 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
10328 * config/ia64/ia64.md (movdi_internal): Use it.
10330 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
10332 * cppexp.c: Warn about unary + if -Wtraditional.
10333 * cpplex.c (lex_line): Always set BOL on the first token of a line.
10335 2000-07-24 Michael Meissner <meissner@redhat.com>
10337 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
10340 2000-07-24 Nick Clifton <nickc@cygnus.com>
10342 * config/arm/arm.c (emit_multi_reg_push): Generate a
10343 REG_FRAME_RELEATED_NOTE that is compatable with the code in
10344 dwarf2out_debug_frame_expr.
10346 2000-07-24 Jason Merrill <jason@redhat.com>
10348 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
10349 UNALIGNED_INT_ASM_OP.
10350 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
10351 a location expression.
10352 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
10353 assume indirect access if we're saving the CFA address exactly.
10355 * Makefile.in (bootstrap): Move -BstageN/ to the end.
10357 2000-07-24 Jakub Jelinek <jakub@redhat.com>
10359 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
10362 2000-07-24 Michael Meissner <meissner@redhat.com>
10364 * invoke.texi (D30V Options): Add d30v options.
10366 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
10368 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
10369 needed by our gcse pass anymore.
10370 (free_pre_mem): Corresponding changes.
10371 (compute_pre_data): Do not call compute_transpout anymore.
10373 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
10374 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
10377 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
10378 (compute_pre_data): Do it here instead.
10380 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
10382 (pre_delete): Corresponding changes.
10384 2000-07-23 Mark Mitchell <mark@codesourcery.com>
10386 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
10387 to figure out whether or not a variable has already been emitted.
10389 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
10391 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
10392 instead of gen_call.
10394 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
10396 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
10398 2000-07-23 Kazu Hirata <kazu@hxi.com>
10400 * h8300.c: Fix formatting.
10402 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
10404 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
10405 for `long' switch expression into a plain warning.
10407 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
10408 (yylex): Don't pedwarn for "inline" in C99 mode.
10410 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
10412 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
10413 ggc_alloc): Likewise.
10414 * bb-reorder.c (dump_scope_forest_1): Likewise.
10416 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
10418 * reload.c (find_reloads_toplev): Add new parameter
10419 "address_reloaded".
10420 (find_reloads): Add new parameter to find_reloads_toplev calls.
10422 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
10424 * collect2.c (main): Typo fixed.
10425 * diagnostic.c: Typo fixed.
10426 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
10427 * eh-common.h: Typo fixed.
10428 * emit-rtl.c (start_sequence): Typo fixed.
10429 * flow.c (find_label_refs): Typo fixed.
10430 (calculate_global_regs_live): Typo fixed.
10431 (mark_regno_cond_dead): Typo fixed.
10432 (create_edge_list): Typos fixed.
10433 (verify_edge_list): Typo fixed.
10434 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
10435 * loop.c (strength_reduce): Typo in function name fixed.
10436 * rtl.h: Added comments. Typo in function name fixed.
10437 * rtlanal.c: Typo in function name fixed.
10438 (insn_dependant_p): Rename to ...
10439 (insn_dependent_p): ... this.
10440 (computed_jumo_p): Typo fixed.
10442 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10444 * system.h (__FUNCTION__): Wrap definition in #ifndef.
10446 2000-07-21 David Edelsohn <edelsohn@gnu.org>
10448 * rs6000.h (SIZE_TYPE): Define.
10450 2000-07-21 Mark Mitchell <mark@codesourcery.com>
10452 * ssa.c (rename_insn_1): Don't rename registers that are
10455 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
10457 * diagnostic.c (trim_filename, fancy_abort): Moved here from
10459 (fatal_function, set_fatal_function): Removed.
10460 (fatal): Don't prepare for or call the fatal_function.
10461 (diagnostic_lock, error_recursion): New.
10462 (diagnostic_for_decl, report_diagnostic): Guard against
10463 re-entering the error reporting routines.
10464 (fancy_abort): Assume function is not NULL.
10466 * errors.c (fancy_abort): New. Assume function is not NULL.
10467 * tradcpp.c (fancy_abort): Assume function is not NULL.
10469 * system.h: Provide default definition of __FUNCTION__.
10470 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
10471 Always use __FUNCTION__ in definition of abort.
10472 * tree.h: Likewise.
10473 * varray.h: Likewise.
10474 * toplev.h: Likewise. Don't prototype set_fatal_function.
10476 2000-07-20 Geoff Keating <geoffk@cygnus.com>
10478 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
10480 * glimits.h: Don't do #if defined for ARCH_PPC.
10482 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
10483 constants of size no larger than a pointer should go in the TOC.
10484 Add 'MODE' parameter.
10485 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
10486 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
10487 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
10488 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
10489 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
10490 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
10491 (rs6000_legitimize_address): Likewise.
10492 (rs6000_emit_move): Likewise.
10493 (rs6000_select_rtx_section): Likewise.
10494 (output_toc): Deal properly with outputting small constants like
10495 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
10496 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
10497 MODE parameter. Put small constants in the TOC.
10499 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
10501 (rs6000_emit_move): When reload calls us with an illegitimate
10502 address, exit early. Move the change_address calls to one place
10503 at the end of the routine. Merge the SImode and DImode expanders.
10504 When called by reload to put an integer into a FP register, force
10507 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
10509 (rs6000_hash_constant): Hash mode too.
10510 (toc_hash_function): Allow for key_mode.
10511 (toc_hash_eq): Structures are different if key_mode differs.
10512 (output_toc): Add 'mode' parameter. Save key_mode.
10513 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
10514 Pass 'mode' parameter.
10515 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
10517 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
10518 for vtable references.
10520 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
10521 choice, don't put integer values in FP regs.
10523 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
10525 * flow.c (verify_flow_info): Revamp code to verify that the
10526 head and end of each basic block are in the insn chain.
10528 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
10530 * gcse.c (record_one_set): Prepend instead of append onto
10531 reg_set_table, making it O(n) instead O(n^2).
10532 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
10533 Use a queue instead of a stack as worklist.
10535 2000-07-20 Kazu Hirata <kazu@hxi.com>
10537 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
10538 * h8300.h (OK_FOR_T): New.
10539 (EXTRA_CONSTRAINT): Support OK_FOR_T.
10540 * h8300.md: Use inc/dec.[wl] for increment/decrement
10541 by 1 and 2 in HI and SI modes.
10543 2000-07-20 Jim Wilson <wilson@cygnus.com>
10545 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
10546 larger than 14 bits.
10548 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
10550 * cppmacro.c (CAN_PASTE_AFTER): New macro.
10551 (count_params): Don't set GNU_REST_ARGS on anything.
10552 (save_expansion): Set PASTE_LEFT only on tokens for which
10553 CAN_PASTE_AFTER is true, or which are named operators.
10555 * cpplex.c (parse_args): Distinguish between a rest argument
10556 given one empty argument, and a rest argument given zero arguments.
10557 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
10558 deletion of previous token based on that.
10559 (get_raw_token): Flatten some control structure.
10561 * cpplib.h (CPP_LAST_EQ): Correct.
10562 (VOID_REST): New token flag.
10563 (GNU_REST_ARGS): Delete.
10565 * tradcpp.c (main): Don't munge -D options.
10566 (make_definition): Bring -D handling in line with cpplib.
10567 (do_define): Strip all leading whitespace from macro definitions.
10569 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
10571 * Makefile.in (tradcpp): Depend on intl.o and version.o.
10573 2000-07-20 Bruce Korb <bkorb@gnu.org>
10575 * fixincl/check.tpl: strip the platform specific types before testing
10576 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
10577 * fixincl/fixincl.tpl: use platform specific types
10578 * fixincl/fixlib.h: include the platform specific types
10579 * fixincl/inclhack.def(gnu_types): don't supply the types
10580 * fixincl/fixincl.x: regen
10582 2000-07-19 Jim Wilson <wilson@cygnus.com>
10584 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
10587 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10589 * tradcpp.c (rescan): Do not recognize directives when the #
10592 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10594 Implement C++ named operators.
10596 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
10597 of operators allowed in #if and having an _EQ variant. Add
10598 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
10599 (cpp_token flags): Add NAMED_OP.
10600 (enum node_type): Add T_OPERATOR.
10601 (struct cpp_hashnode): Add code slot to value union.
10602 * cpphash.h (spec_nodes): Remove n_defined.
10604 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
10605 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
10606 (is_macro_disabled): Tweak error messages.
10608 * cpplib.c (get_define_node): Disallow all named operators as
10609 macro names. Tweak error messages.
10610 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
10612 * cppinit.c (builtin_array): Add entries for the named operators.
10613 * cppexp.c (lex): Check for CPP_DEFINED token.
10614 (priority table): Add entries for CPP_MIN and CPP_MAX.
10615 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
10617 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
10619 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
10620 larger than the array of cuids.
10621 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
10624 2000-07-19 Bruce Korb <bkorb@gnu.org>
10626 * fixinc/fixincl.c: Convert to using a table of environment variables
10627 and activate the auto-edit marker on the fixed output files.
10628 * fixinc/fixlib.h: Define the environment table
10629 * fixinc/fixincl.sh: export the ${INPUT} dir
10630 * fixinc/check.tpl: likewise
10632 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10634 * gcc.c (.h spec): Fix typo.
10636 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
10638 * Makefile.in: Fix tradcif.c path.
10640 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10642 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
10645 * cpphash.h (TOKEN_NAME): New macro.
10646 (_cpp_spell_operator): Deleted.
10647 (token_spellings): Now _cpp_token_spellings.
10649 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
10650 * cpplex.c: Use OP and TK macros when expanding the
10651 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
10652 store the stringification of the enumeration name (CPP_CHAR,
10653 etc.) in the name slot of token_spellings.
10654 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
10655 token_spellings directly.
10656 * cpplib.c: Use TOKEN_SPELL.
10658 * cpplex.c (_cpp_push_token): If the token being pushed back
10659 is the previous token in this context, just subtract one from
10661 * cppmacro.c (save_expansion): Clear aux field when storing a
10664 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10666 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
10667 buffer, provided it is not NULL.
10669 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
10671 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
10672 case of invalid volatile re-declaration.
10674 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10676 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
10677 (expand_call): Adjust caller.
10679 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
10681 * diagnostic.h (report_diagnostic): Change prototype.
10683 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
10684 diagnostic_for_decl): Change prototype.
10685 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
10686 error, warning, error_with_file_and_line,
10687 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
10688 Adjust call to report_diagnostic, diagnostic_for_decl.
10689 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
10690 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
10692 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
10693 varaible argument list.
10695 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10697 * cpphash.c: Don't include hashtab.h. Most macro-handling code
10698 moved to cppmacro.c.
10699 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
10700 dump_hash_helper): Delete.
10701 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
10702 cpp_forall_identifiers): New. Implement specialized version of
10703 Vlad's expandable hash table.
10704 (cpp_lookup): Use new functions.
10705 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
10707 * cppmacro.c: New file.
10708 * cppinit.c (dump_macros_helper): New.
10709 (cpp_finish): Iterate over the identifier table directly.
10710 * cpplex.c (parse_name): Calculate the hash of the identifier
10711 while we scan it. Use _cpp_lookup_with_hash when we can.
10713 * cpphash.h: Update prototypes.
10714 (xcnewvec, HASHSTEP): New helper macros.
10715 * cpplib.h: Update prototypes.
10716 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
10717 (cppmacro.o): New rule.
10718 (cpphash.o): Update deps.
10720 * cppmain.c: Do not set pfile->printer if no_output is on.
10722 2000-07-15 Neil Booth <neilb@earthling.net>
10724 * cpplib.c: Change all directive-handler functions to return
10726 * cpphash.h: Update typedefs.
10728 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10730 * configure: Regenerate.
10732 * extend.texi (Extended Asm): Mention that a memory clobber
10733 does not count as a side-effect.
10735 * unroll.c (copy_loop_body): Fix one instance of using host
10736 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
10739 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
10741 2000-07-17 Richard Henderson <rth@cygnus.com>
10743 * config/ia64/ia64.md (movdi): Split out load address code.
10744 New post-reload splitter for symbolic operands.
10745 (movdi_internal): Abort if we didn't split symbolic operands
10746 when we should have.
10747 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
10748 (ia64_reorg): Split insns when not optimizing.
10749 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
10751 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10753 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
10754 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
10756 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10758 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
10760 2000-07-17 Jason Merrill <jason@redhat.com>
10762 * Makefile.in (clean): Remove libgcc directory.
10764 * configure.in (-Wno-long-long check): Use higher-level macros.
10766 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10768 * simplify-rtx.c (simplify_binary_operation): Recognize
10769 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
10770 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
10771 a CONST_INT, it will always be zero.
10773 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10775 * loop.c (check_dbra_loop) : Return if more than one condition is
10776 present to control the loop.
10778 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
10780 * mips.c (mips_expand_prologue): Don't calculate the last argument
10781 register unless we need it. When we are calculating this, make
10782 sure FUNCTION_ARG is giving us a REG.
10784 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10786 * flow.c (libcall_dead_p): Use single_set to verify the insn
10787 has only one set and get for analysis.
10788 (propagate_one_insn): Don't pass the PATTERN of the insn.
10790 2000-07-17 Mark Klein <mklein@dis.com>
10792 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
10794 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10796 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
10797 * configure.in (TARGET_GETGROUPS_T): Evaluate.
10798 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
10799 of second argument of getgroups.
10800 * configure, config.in: Rebuilt.
10802 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10804 * simplify-rtx.c (simplify_relational_operation): Two signed
10805 values with equal high words are less/greater than each other if
10806 their low words are less/greater when considered as unsigned.
10808 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
10810 * configure.in (vax-*-openbsd): Change to new style configuration,
10811 add collect2/float_format information.
10812 * configure: Rebuilt.
10813 * config/vax/openbsd1.h: New.
10814 * config/vax/openbsd.h: New.
10815 * config/vax/t-openbsd: New.
10817 2000-07-17 Chip Salzenberg <chip@valinux.com>
10819 * c-common.c (shorten_compare): Quiet warnings about unsigned
10820 comparisons with zero when they occur in a system header.
10822 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
10824 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
10825 update to describe current practice.
10827 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
10829 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
10830 references to C9X. Change references to -fstd and -flang-isoc9x
10833 * c-common.c (scan_char_table): Allow "z" length modifiers on
10835 (check_format_info): Use TYPE_DOMAIN on the type matched against
10836 for "z" formats, to retrieve the language size_t rather than the
10839 * c-common.c (check_format_info): Do not make a pedantic objection
10840 to the 'L' length modifier if used with a floating point type
10843 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
10844 constants in C99 mode.
10846 2000-07-17 Kazu Hirata <kazu@hxi.com>
10848 * h8300.md: Fix the format of mac.
10849 (movsi_h8300hs): Output a tab after stmac instead of a space.
10851 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
10852 profitable adds/subs sequences.
10854 * fold-const.c: Fix comment typos.
10856 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
10858 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
10860 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10862 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
10864 2000-07-16 Neil Booth <NeilB@earthling.net>
10866 * cpplex.c: Update comments.
10867 * README.Portability: Small update.
10869 2000-07-16 Neil Booth <NeilB@earthling.net>
10871 * README.Portability: Small update.
10873 2000-07-15 Richard Henderson <rth@cygnus.com>
10875 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
10876 * config/ia64/ia64.c (ia64_move_ok): New function.
10877 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
10878 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
10880 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
10882 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
10883 immediately following a paste operator.
10884 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
10885 (cpp_reader_init): Call it, if HOST_EBCDIC.
10886 (cpp_handle_options): Do not sort option list here.
10887 (handle_option): Rename to cpp_handle_option and export.
10888 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
10889 _cpp_get_token directly.
10890 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
10891 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
10892 * cpplib.h: Prototype cpp_handle_option. Update prototype of
10895 2000-07-15 Richard Henderson <rth@cygnus.com>
10897 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
10898 cast around an expression. Tidy other unsigned tests.
10900 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
10902 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
10903 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
10904 (v_message_with_decl): Rename to ...
10905 (format_with_decl): ... this. Tweak
10906 (diagnostic_for_decl): New function.
10907 (fatal_io_error): Use verbatim in lieu of notice.
10908 (announce_function): Use verbatim.
10909 (default_print_error_function): Likewise.
10910 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
10913 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10915 * mips.c (function_arg_pass_by_reference): Don't do automatic
10916 aggregate initialization.
10917 (machine_dependent_reorg): Initialize variable `mode'.
10919 * mips.md (absdi2): Change variable `regno1' to unsigned int.
10920 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
10921 conflicts with sys/param.h macro of the same name.
10922 (reload_outdi): Likewise.
10924 2000-07-15 Michael Meissner <meissner@redhat.com>
10926 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
10927 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
10928 create a new node instead.
10930 2000-07-15 Neil Booth <NeilB@earthling.net>
10932 * README.Portability: Correct example about calling a function
10933 through a pointer to function. Format wide paragraphs.
10935 2000-07-15 Michael Meissner <meissner@redhat.com>
10937 * README.Portability: Update integer suffixes and function
10938 prototype sections.
10940 2000-07-15 Neil Booth <NeilB@earthling.net>
10942 * README.Portability: Small update.
10944 2000-07-15 Neil Booth <NeilB@earthling.net>
10946 * README.Portability: New file.
10948 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
10950 * INSTALL: Give special instructions for building GCC on Irix 6.
10951 * config/mips/x-iris6 (CC): Don't set it.
10954 2000-07-14 Jason Merrill <jason@redhat.com>
10956 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
10957 register in the stack and later in another register, use the new
10960 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
10962 * config/mips/mips.md: (absdi2): Handle sign_extend for
10965 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
10967 * cpplib.c (do_pragma_dependency): Tidy warning messages.
10969 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
10971 * .cvsignore: Correct typo.
10973 2000-07-13 Mark Mitchell <mark@codesourcery.com>
10975 * .cvsignore: Add generated YACC files.
10976 * objc/.cvsignore: New file.
10978 2000-07-14 Neil Booth <NeilB@earthling.net>
10980 * cpplex.c (adjust_column): New funcion.
10981 (skip_whitespace): Use it.
10982 (skip_block_comment): Use it, and warn about /*/* with
10985 2000-07-14 Neil Booth <NeilB@earthling.net>
10987 * cpphash.c (struct macro_info): Add new members.
10988 (_cpp_free_definition): Delete the macro directly.
10989 (count_params): Return void, with first token of
10990 expansion in struct macro_info on success.
10991 (parse_define): Return int. Hoist syntax checking from
10992 save_macro_expansion. Leave call to save_expansion to
10993 _cpp_create_definition.
10994 (alloc_macro): Needs just 2 arguments.
10995 (free_macro): Delete.
10996 (save_expansion): Don't perform syntax check.
10997 (_cpp_create_definition): Call save_expansion.
10999 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11001 * genrecog.c (write_header): Split long string.
11003 * cpphash.c (macro_info): Don't use the `signed' keyword.
11005 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
11007 2000-07-13 Jakub Jelinek <jakub@redhat.com>
11009 * calls.c (stored_args_map): New variable.
11010 (check_sibcall_argument_overlap_1): New.
11011 (check_sibcall_argument_overlap): New.
11012 (expand_call): Initialize stored_args_map.
11013 Call check_sibcall_argument_overlap.
11015 2000-07-13 Bruce Korb <bkorb@gnu.org>
11017 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
11018 (emit_gnu_type): utility procedure for gnu_type_fix
11019 (gnu_type_fix): implement various pre-processor guards around
11020 standard types so these types can be defined over and over
11021 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
11022 types alluded to above will have GNU-compliant base types
11023 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
11024 * fixinc/inclhack.def: add test_text entries and utilize the new
11025 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
11026 * fixinc/fixincl.x: regenerate
11028 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11030 * diagnostic.c (vline_wrapper_message_with_location,
11031 v_message_with_file_and_line, v_error_with_file_and_file,
11032 v_error_for_asm, v_warning_for_asm, vfatal,
11033 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
11034 vsorry, verror, vwarning, vpedwarn): Remove.
11035 (diagnostic_for_asm): New function.
11036 (pedwarn, error, warning, pedwarn_with_file_and_line,
11037 error_with_file_and_line, warning_with_file_and_line, sorry,
11038 error_for_asm, warning_for_asm, fatal): Reimplement.
11039 (finish_diagnostic): Clear diagnostic info as well.
11041 2000-07-13 Neil Booth <NeilB@earthling.net>
11043 * c-common.h (flag_digraphs): New.
11044 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
11045 * c-lex.c (yylex): Use flag_digraphs to decide whether to
11048 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
11050 * gcc.c (do_spec_1): Add new %B operator.
11051 (set_input): Prepare for %B.
11053 (link_command_spec): Move up with the other tm.h-
11054 overrideable specs. Factor out the portion conditional on
11055 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
11056 (struct compiler): Just have a single spec string. All users
11058 (default_compilers): Remove unnecessary braces.
11059 (static_specs): Update.
11061 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
11063 (C and assembly specs): Use the new named specs, as appropriate.
11065 * objc/lang-specs.h: Use the new named specs.
11066 Remove unnecessary braces.
11068 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11070 * gcc.c (execute): If a subprocess gets a fatal signal, report
11071 strsignal() of the signal number, and ask for a bug report.
11072 Do not do this for SIGPIPE if there's already been an error.
11074 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
11075 Delete pipe_closed.
11077 * tradcif.c: Remove.
11079 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11081 * final.c (profile_function): Do not emit profile counters in
11082 the data section, if NO_PROFILE_COUNTERS is defined.
11083 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11086 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11087 (FUNCTION_PROFILER): Just emit a call to mcount.
11089 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11091 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11093 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11094 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11095 traditional, lang_chill, or lang_fortran.
11097 * cppfiles.c: #undef strcmp to suppress warning about macros
11098 used without arguments.
11099 (_cpp_execute_include): Use f, not fname, in "No include path"
11101 (_cpp_pop_file_buffer): New function.
11102 * cpplib.c: Don't include <sys/mman.h>.
11103 (cpp_push_buffer): Set line_base and lineno in new buffer.
11104 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
11106 * cpplex.c: Move all prototypes and structure declarations to the
11107 top of the file. Properly parenthesise some macro arguments.
11108 (cpp_scan_line): New function.
11109 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
11110 don't need to walk up the stack counting.
11112 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11114 * c-common.c (combine_strings): Emit a pedantic warning when a
11115 string length is greater than the minimum ANSI C is required
11118 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
11120 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
11121 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
11123 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11125 * c-decl.c (define_label): Warn about identifier conflicts with
11126 labels in traditional C.
11128 * c-parse.in (unop +): Warn about the unary plus operator for
11131 * c-typeck.c (store_init_value): Warn about automatic aggregate
11132 initialization for traditional C.
11134 * invoke.texi (-Wtraditional): Document new warnings.
11136 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11138 * Makefile.in (c-errors.o): Fix thinko in dependency.
11140 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11142 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
11143 -traditional, -ftraditional, or -traditional-cpp was given.
11144 Do not pass -traditional to the preprocessor.
11145 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
11146 preprocessor does it automatically.
11147 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
11149 * ch/lang-specs.h: Always use tradcpp. Do not pass
11150 -traditional, -trigraphs, or -pedantic to the preprocessor.
11151 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
11154 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11156 * cppexp.c (LOGICAL): Delete macro.
11157 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
11160 * cpphash.c (HASHSIZE): Increase to 4096.
11161 (struct hashdummy): Add hash field.
11162 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
11163 the string values using memcmp.
11164 (cpp_lookup): Set dummy.hash.
11166 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
11168 * configure.in (m88k-openbsd): Express configuration using new fragment
11170 * configure: Rebuilt.
11171 * m88k/aout-dbx.h: New.
11172 * m88k/openbsd.h: New.
11173 * m88k/xm-openbsd.h: New.
11175 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11177 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
11179 2000-07-12 Richard Henderson <rth@cygnus.com>
11181 * reload.c (push_secondary_reload): Make sure to add the new
11182 reload at the end, after acquiring secondary memory.
11184 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11186 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
11188 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
11189 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
11191 * c-parse.in (stmt): Delete unused variables.
11193 * convert.c (convert_to_vector): Likewise.
11195 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
11197 * tree.c (finish_vector_type): Prototype.
11199 2000-07-12 Bruce Korb <bkorb@gnu.org>
11201 * fixinc/fixfixes.c: use xmalloc
11202 * fixinc/fixincl.c(initialize): set program name for xmalloc
11203 * fixinc/fixlib.c(must_malloc): obsolete
11204 (is_cxx_header): no longer used - disabled
11205 (skip_quote): inserted and disabled for future use
11206 * fixinc/fixlib.h: reflects above
11207 * fixinc/fixtests.c: removed dinkleberries
11209 2000-07-12 Neil Booth <NeilB@earthling.net>
11211 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
11212 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
11214 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
11215 struct toklist_dummy): New.
11216 (cpp_free_definition): Free macros with free_macro.
11217 (count_params): Don't save paramter spellings. Save macro
11218 information in a struct macro_info.
11219 (parse_define): Don't allocate a token list.
11220 (save_expansion): Allocate the macro's token list, and
11221 save parameter spellings if necessary. Use TOKEN_SPELL.
11222 (cpp_create_definition): Make list const.
11224 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11226 * c-typeck.c (pedwarn_c99): Move to
11227 * c-errors.c: ... Here.
11228 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
11229 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
11230 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
11231 (c-errors.o): List dependency.
11233 2000-07-12 Mark Mitchell <mark@codesourcery.com>
11235 * c-parse.c: Remove.
11236 * c-parse.h: Likewise.
11237 * c-parse.y: Likewise.
11238 * objc/objc-parse.c: Likewise.
11239 * objc/objc-pasre.y: Likewise.
11241 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
11243 * gcc.texi: Fix minor typos
11244 * extend.texi: Fix minor typos
11246 2000-07-11 Marc Espie <espie@openbsd.org>
11248 * collect2.c (main): Recognize .lo as object files.
11250 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11252 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
11255 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
11256 with MAP_ANONYMOUS and MAP_ANON.
11257 * configure, config.in: Rebuilt.
11259 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11261 * diagnostic.c (save_output_state): Remove.
11262 (restore_output_state): Likewise.
11263 (clear_text_info): New function.
11264 (clear_diagnostic_info): Likewise.
11265 (output_text_length, is_starting_newline, output_prefix,
11266 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
11267 prefixing_policy, output_buffer_ptr_to_format_args): New macros
11268 (set_real_maximum_length, output_set_maximum_length,
11269 output_set_prefix, output_get_prefix, output_set_maximum_length,
11270 output_destroy_prefix, init_output_buffer,
11271 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
11272 output_add_newline, output_add_character, output_add_space,
11273 output_append_r, output_append, wrap_text, output_format,
11274 output_do_printf, output_printf, output_do_verbatim,
11275 output_verbatim, verbatim): Use them.
11276 (output_clear): Split into cleat_text_info and
11277 clear_diagnostic_info.
11278 (struct output_state): Move to...
11280 * diagnostic.h: ...Here
11281 (struct output_buffer): Adjust.
11283 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
11285 * cpplex.c (parse_name): No longer inline (premature optimization).
11286 (do_pop_context): Fold into pop_context.
11287 (pop_context): Returns int.
11288 (lex_next): Hoist test for end of directive into pop_context.
11289 (push_macro_context): Returns int; takes just reader and token.
11290 Hoist test for excessive nesting to caller.
11291 (push_arg_context): Returns void; takes just reader and token.
11292 Do not call stringify_arg or get_raw_token.
11293 (get_raw_token): Convert tail recursion through push_arg_context
11294 to a loop at this level. Call stringify_arg here if appropriate.
11295 (maybe_paste_with_next): Convert tail recursion to a while loop.
11296 Hoist test of paste_level to caller.
11298 (stringify_arg): Push arg context at beginning.
11299 (cpp_get_token): Split out core into _cpp_get_token. Call
11300 process_directive here. Throw away CPP_PLACEMARKER tokens.
11301 (_cpp_get_token): Convert tail recursion through
11302 push_macro_context to a loop at this level.
11303 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
11304 _cpp_get_raw_token): Use _cpp_get_token.
11305 (_cpp_skip_rest_of_line): Drop the context stack directly; do
11306 not call pop_context.
11307 (_cpp_run_directive): Call lex_next directly.
11309 * cpphash.h: Prototype _cpp_get_token.
11310 * cppexp.c (lex): Use it.
11311 * cpphash.c (parse_define): Use it.
11312 * cpplib.c (get_define_node, do_undef, parse_include,
11313 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
11314 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
11315 parse_ifdef, validate_else): Use it.
11316 (cpp_push_buffer): Tweak error message; abort if anyone tries
11317 to push a buffer while macro expansions are stacked.
11319 2000-07-11 Donn Terry <donnte@microsoft.com>
11321 * cpplex.c (free_macro_args, save_token): Cast arg of free
11322 and/or xrealloc to PTR.
11323 (_cpp_init_input_buffer): Clear all fields of the base context.
11325 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
11327 * gensupport.c (process_rtx): Make rtl checking stop
11328 complaining about the define_insn while it is being
11329 converted from a define_insn_and_split.
11331 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
11333 * config/mips/mips.c (simple_memory_operand): Access the
11334 INTVAL of the address, not it's containing MEM.
11336 2000-07-11 Bruce Korb <bkorb@gnu.org>
11338 * fixinc/fixtests.c(double_slash): obsolete
11339 (else_endif_label): likewise
11340 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
11341 (libc1_ifdefd_memx): correct initial comment
11342 and omit the #if/#endif pair from the memxxx declarations
11343 * fixinc/fixincl.x: regen
11345 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11347 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
11349 2000-07-11 Neil Booth <NeilB@earthling.net>
11351 * cpp.texi: Update.
11353 2000-07-11 Neil Booth <NeilB@earthling.net>
11355 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
11356 (handle_option): Set digraphs according to standard.
11357 Merge OPT_lang_c89 handler with OPT_std_c89.
11359 * cpplex.c: (lex_line, can_paste): Honour digraphs in
11360 accordance with the digraphs flag.
11362 * cpplib.h: (struct cpp_options): New option digraphs.
11364 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
11365 Bruce Korb <bkorb@gnu.org>
11367 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
11368 * fixinc/fixincl.x: Regenerate.
11369 * fixinc/tests/base/testing.h: Add testcase.
11371 2000-07-10 Richard Henderson <rth@cygnus.com>
11373 * config/ia64/ia64.c (got_symbolic_operand): New.
11374 (symbolic_operand, move_operand): Revert 0701 change.
11375 * config/ia64/ia64.h (PREDICATE_CODES): Update.
11376 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
11377 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
11378 split the offset into a 14-bit low part instead of a 13-bit low part.
11379 (load_fptr): Mark the mem as unchanging.
11380 (load_symptr): Use got_symbolic_operand.
11382 2000-07-10 Nick Clifton <nickc@cygnus.com>
11384 * libgcc2.c (next_stack_level): Cast result of computation to
11385 (void **) so that the assignment does not generate a warning.
11387 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
11389 * flags.h : Add new variable flag_single_precision_constant.
11390 * toplev.c (display_help) : Add -fsingle-precision-constant option.
11391 (flag_single_precision_constant): New.
11392 * c-lex.c (yylex): Convert floating point constant to single
11393 precision constant.
11394 * invoke.texi : Add documentation for this new option.
11396 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11398 * diagnostic.c (output_octal): Second parameter is unsigned.
11399 (output_long_octal): Likewise.
11400 (output_hexadecimal): Likewise.
11401 (output_long_hexadecimal): Likewise.
11402 (output_format): Adjust arguments extraction. Tweak.
11403 (output_verbatim, verbatim): End variable argument list.
11404 (report_diagnostic): Improve documentation.
11406 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
11408 * c-common.h (build_stmt): Declare.
11409 (build_continue_stmt): Likewise.
11410 (build_break_stmt): Likewise.
11411 (build_return_stmt): Likewise.
11413 * c-decl.c (do_case): Rewrite to do what previously done in
11416 * c-semantics.c (build_stmt): Define.
11417 (build_return_stmt): Likewise.
11418 (build_break_stmt): Likewise.
11419 (build_continue_stmt): Likewise.
11420 (build_case_label): Likewise.
11422 * c-parse.in (BREAK): Change to build tree, then generate RTL.
11423 (CONTINUE): Likewise.
11424 (RETURN): Likewise.
11426 (DEFAULT): Likewise.
11428 * c-parse.y: Regenerate.
11429 * c-pasre.c: Likewise.
11431 2000-07-09 Jason Merrill <jason@redhat.com>
11433 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
11435 * tree.h (STRIP_NOPS): Check for error_mark_node.
11436 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
11437 (dwarf2out_*): Remove duplicate declarations.
11439 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
11440 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
11442 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11444 * diagnostic.c (wrap_text): New function.
11445 (maybe_wrap_text): Likewise.
11446 (output_add_string): Use it.
11447 (output_format): Likewise.
11448 (count_error): Use verbatim instead of notice.
11449 (report_error_function): Likewise. Don't use plain fprintf.
11450 (finish_diagnostic): New function.
11451 (output_do_verbatim): Tweak. Commonalize functionalities in
11452 output_verbatim and verbatim.
11453 (output_verbatim): Adjust.
11454 (verbatim): Likewise.
11455 (report_diagnostic): Define.
11457 * diagnostic.h (report_diagnostic): Prototype.
11459 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
11461 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
11463 2000-07-09 Neil Booth <NeilB@earthling.net>
11465 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
11466 IShspace, ISspace: Update.
11468 * cppinit.c: ISTABLE: Update.
11471 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
11472 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
11473 (skip_block_comment, skip_line_comment, parse_string,
11474 lex_line): Use is_vspace rather than IS_NEWLINE.
11475 (skip_whitespace, lex_line): Clean up to use is_nvspace.
11476 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
11478 (lex_next): Unconditionally stop if within a directive.
11479 Treat directives within macro invocations as directives
11480 (after parse_args emits error), not as the argument.
11482 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
11484 * diagnostic.c (diagnostic_args): New macro.
11485 (diagnostic_msg): Likewise.
11486 (output_formatted_integer): Likewise.
11487 (output_state): New data type.
11488 (digit_buffer): Make global.
11489 (output_add_integer): Rename to output_decimal. Squeeze
11491 (output_long_decimal, output_unsigned_decimal,
11492 output_long_unsigned_decimal, output_octal, output_long_octal,
11493 output_hexadecimal, output_long_hexadecimal): New functions.
11494 (output_append_r): New function.
11495 (output_append): Tweak.
11496 (output_flush_on): Rename to output_to_stream.
11497 (output_format): Change prototype. Improve documentation. Handle
11498 more format specifiers.
11499 (build_location_prefix): Rename to context_as_prefix.
11500 (output_notice): Rename to output_do_printf.
11501 (output_printf): Tweak.
11502 (line_wrapper_printf): Likewise.
11503 (vline_wrapper_message_with_location): Adjust call to renamed
11505 (v_message_with_decl): Likewise.
11506 (default_print_error_function): Likewise.
11507 (save_output_state): New function.
11508 (restore_output_state): Likewise.
11509 (output_do_verbatim): Likewise.
11510 (output_verbatim): Define.
11511 (verbatim): Likewise.
11513 * diagnostic.h (printer_fn): Change return type from void to int.
11514 Improve documentation.
11515 (output_add_integer): Rename to output_decimal.
11516 (output_flush_on, output_format): Don't export.
11517 (output_verbatim, verbatim): Declare.
11519 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
11521 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
11522 Check whether c divides op1 exactly if operation is not
11525 2000-07-08 Richard Henderson <rth@cygnus.com>
11527 * final.c (final): Do not abort when reg-stack introduces
11530 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
11532 * cpplib.h (struct cpp_name): Now struct cpp_string.
11533 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
11534 CPP_HEADER_NAME): Change to type S.
11535 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
11536 field, a cpp_hashnode *. All references to val.name updated
11537 to use val.str or val.node as appropriate.
11538 (struct cpp_reader): Add spec_nodes field.
11539 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
11541 * cpphash.h (struct spec_nodes): New.
11542 (enum spell_type): Reorder. Only SPELL_STRING tokens use
11543 val.str. All references to 'spelling > SPELL_NONE' updated to
11546 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
11547 pfile->buffer->inc are not NULL before dereferencing them.
11549 * cpplex.c (parse_name): Take a pointer to the current token,
11550 plus current position and limit as args; return the new
11551 position; don't copy the text of a name into the string
11552 buffer, instead call cpp_lookup and store the node pointer.
11553 If extending a token, copy out the text of the old into a
11554 scratch buffer, append the new, look that up and store the new
11555 node pointer. Inline.
11556 (maybe_paste_with_next): If the result of paste is a NAME,
11557 then look up the pasted text and store its node pointer.
11558 (lex_line): Adjust for new parse_name interface.
11559 Check for L"str", L'str' using spec_nodes->n_L.
11560 (spell_token): SPELL_IDENT tokens have their spelling in
11561 val.node->name. Handle SPELL_STRING tokens that don't have
11563 (_cpp_expand_name_space,
11564 (can_paste): Check for L ## "str" using spec_nodes->n_L.
11565 (cpp_get_token, special_symbol): No need to call cpp_lookup.
11566 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
11567 return 1=equal 0=not, not a tristate.
11569 * cpphash.c (var_args_str): Delete.
11570 (find_param): Compare node fields directly.
11571 (is__va_args__): Use CPP_PEDANTIC. Just compare
11572 token->val.node with spec_nodes->n__VA_ARGS__.
11573 (dump_funlike_macro): Don't use var_args_str.
11575 * cpplib.c (_cpp_check_directive): Just walk through
11576 spec_nodes->dirs comparing pointers.
11577 (get_define_node, do_pragma_poison, detect_if_not_defined,
11578 parse_ifdef): The identifier has already been looked up.
11579 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
11581 (do_if): Only call detect_if_not_defined at beginning of file.
11582 (_cpp_parse_assertion): Only copy string pointers for
11583 SPELL_STRING tokens.
11584 (pragma_dispatch): Take a node pointer and examine its name
11586 (_cpp_init_stacks): Also initialize the spec_nodes structure.
11588 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
11590 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
11591 reverse order from the corresponding _cpp_init_* routines.
11593 * cppexp.c (parse_number, parse_charconst, parse_defined,
11594 lex): Check val.node->type instead of calling cpp_defined.
11595 Use spec_nodes entries where appropriate.
11597 * fix-header.c, scan-decls.c: Update for interface changes.
11599 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
11601 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
11602 emitting aux_truncdfsf2.
11604 2000-07-03 Donn Terry (donnte@microsoft.com)
11606 * cppinit.c (print_help): split overlong line into ISO C89
11609 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11611 * cppexp.c: Update all code for new lexer interface.
11612 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
11613 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
11614 * cpplex.c (token_names): Trim leading CPP_ from names; make
11615 the strings unsigned.
11616 (_cpp_spell_operator): New.
11617 (is_macro_disabled): Disable all macros if rescanning
11619 (_cpp_get_directive_token): Remove.
11621 * cppinit.c: Don't set no_macro_expand.
11622 * cpplib.c (read_line_number, do_line): Check only for EOF,
11624 * cpphash.h: Update prototypes.
11625 * cpplib.h (CPP_VSPACE): Remove.
11626 (struct cpp_reader): Remove no_macro_expand.
11628 2000-07-08 Neil Booth <NeilB@earthling.net>
11630 * cpphash.c (is__va_args__): New function.
11631 (count_params): Fix line reported in error messages. Use
11632 is__va_args__. Don't return ')' on error. Flag GNU style
11633 rest args macro definitions.
11634 (parse_define): Check macro name is not __VA_ARGS__.
11635 (save_expansion): Check identifier in non-varargs-macro is
11636 not __VA_ARGS__. Don't flag GNU_VARARGS.
11637 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
11638 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
11639 than per-token GNU_VARARGS.
11640 * cpplib.h (GNU_VARARGS): Remove.
11641 (GNU_REST_ARGS): New.
11643 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11645 * i386.md (call_pop, call, call_value_pop): Do not set
11646 current_function_uses_pic_offset_table for calls to static
11647 functions or indirect calls.
11649 2000-07-07 Jim Wilson <wilson@cygnus.com>
11651 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
11652 is_predicate_reg, then take max write_count of register pair.
11654 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11656 * tradcpp.c (main): Rename label `include' to `add_include' to
11657 avoid conflicts with variable `include' in traditional C.
11659 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11661 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
11663 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11665 * sibcall.c (uses_addressof): Add INMEM argument, check for
11666 current_function_internal_arg_pointer outside of MEM rtxs in addition
11668 (sequence_uses_addressof): Update caller.
11670 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11672 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
11675 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11677 * system.h (UNION_INIT_ZERO): New macro for initializing union
11678 members in structs.
11680 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
11682 2000-07-07 Neil Booth <NeilB@earthling.net>
11684 * cpp.texi: Update.
11686 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
11688 * final.c (final): Detect out of bounds array access to
11689 the insn_lengths array.
11691 2000-07-07 Kazu Hirata <kazu@hxi.com>
11693 * fold-const.c (fold): Fix a comment typo.
11695 2000-07-07 Neil Booth <NeilB@earthling.net>
11697 * cpp.texi: Update to new lexer.
11699 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11701 * tradcpp.c: New file.
11702 * tradcif.y: New file.
11703 * tradcif.c: New generated file.
11705 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
11706 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
11707 dependencies of C. Install tradcpp from install-common, in
11710 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11712 * cppinit.c: Include cppdefault.h. Refer to
11713 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
11714 to GCC_INCLUDE_DIR and its length.
11715 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
11716 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
11717 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
11719 (include_defaults_array): Move to cppdefault.c.
11721 * cppdefault.h: New file.
11722 * cppdefault.c: New file.
11724 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
11725 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
11726 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
11729 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11731 * reload.c (push_reload): When seeing if can reuse a register,
11732 check extra registers against widest of INMODE and OUTMODE.
11734 2000-07-06 Neil Booth <NeilB@earthling.net>
11736 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
11737 based on full length of predicate.
11739 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
11741 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
11742 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
11744 2000-07-05 Kazu Hirata <kazu@hxi.com>
11746 * h8300-proto.h: Fix formatting.
11747 * h8300.c: Likewise.
11748 * h8300.h: Likewise.
11750 2000-07-05 Jim Wilson <wilson@cygnus.com>
11752 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
11755 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
11757 * invoke.texi: Fix minor typos
11758 * md.texi: Fix minor typos
11760 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
11762 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
11764 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11766 * cpplex.c: Don't include sys/mman.h.
11767 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
11769 * cpplib.c: Include sys/mman.h and obstack.h.
11770 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
11772 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
11773 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
11774 bother freeing if stack entries (they will be freed with their buffer).
11775 (do_endif): Free if stack entries from the buffer obstack.
11776 (push_conditional): Allocate if stack entries from the buffer obstack.
11778 (find_answer): Rename to _cpp_find_answer.
11779 (do_assert, do_unassert): Update.
11781 * cpphash.h: Update prototypes.
11782 (xobnew): New convenience macro.
11783 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
11785 (struct cpp_hashnode): Remove disabled field.
11787 * cppinit.c: Don't include hashtab.h or splay-tree.h.
11788 (report_missing_guard): Moved to cppfiles.c.
11789 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
11791 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
11792 cpp_cleanup_includes. Don't destroy hashtab or
11793 all_include_files here.
11794 (cpp_finish): Use _cpp_report_missing_guards.
11796 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
11797 (_cpp_init_include_table): Rename _cpp_init_includes.
11798 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
11800 * cppexp.c (parse_assertion): Update for new name of
11803 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
11805 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11807 * cpplib.c (do_ident): s/VSPACE/EOF/
11809 2000-07-05 Neil Booth <NeilB@earthling.net>
11811 * cpplex.c: Fix trigraph replacement within strings.
11813 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11815 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
11817 * xcoffout.c (assign_type_number): Constify.
11818 (xcoffout_source_file): Add static prototype. Don't needlessly
11819 cast away const-ness.
11821 2000-07-04 Jason Merrill <jason@redhat.com>
11823 * frame.h (frame_state): Move base_offset to end.
11825 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
11827 * calls.c (emit_library_call_value_1): Revert previous change.
11829 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
11831 * fix-header.c (struct partial_proto): Remove unnecessary fields.
11832 (recognized_extern, recognized_function, read_scan_file):
11833 Update for new scheme.
11834 (check_protection): It's still a multiple include guard even
11835 if it doesn't always trigger.
11836 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
11838 * scan.h: Declare struct cpp_token. Update prototypes.
11840 2000-07-03 Neil Booth <neilb@earthling.net>
11841 Zack Weinberg <zack@wolery.cumb.org>
11843 Complete overhaul of the lexer and macro expander.
11845 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
11846 arg, arglist, argdata, reflist, collect_objlike_expansion,
11847 collect_funlike_expansion, collect_params,
11848 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
11849 unsafe_chars, macarg, compare_defs, special_symbol,
11850 scan_arguments, stringify, funlike_macroexpand,
11851 _cpp_quote_string, monthnames): Delete.
11852 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
11853 _cpp_create_definition, _cpp_dump_definition,
11854 dump_hash_helper): Adjust.
11855 (find_param, count_params, parse_define, var_args_str,
11856 check_macro_redefinition, save_expansion): New.
11858 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
11859 parse_string, output_line_command, trigraph_replace,
11860 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
11861 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
11862 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
11863 _cpp_skip_rest_of_line): Modify.
11865 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
11866 find_position, null_warning, bump_column, expand_name_space,
11867 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
11868 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
11869 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
11870 _cpp_prescan): Delete.
11872 (dump_param_spelling, process_directive, lex_next,
11873 is_macro_disabled, stringify_arg, expand_context_stack,
11874 output_token, make_string_token, alloc_number_token,
11875 special_symbol, duplicate_token, maybe_paste_with_next,
11876 can_paste, prevent_macro_expansion, restore_macro_expansion,
11877 get_temp_token, release_temp_tokens, quote_string,
11878 token_names, token_spellings, _cpp_expand_name_space,
11879 _cpp_glue_header_name, _cpp_reserve_name_space,
11880 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
11881 placemarker_token, eof_token, cpp_context, macro_args,
11882 get_raw_token, parse_arg, parse_args, save_token,
11883 push_arg_context, push_macro_context, pop_context,
11884 do_pop_context, free_macro_args, _cpp_get_line,
11885 _cpp_run_directive): New.
11887 * cpplib.c (validate_else, parse_include, push_conditional,
11888 pass_thru_directive, read_line_number, parse_ifdef,
11889 detect_if_not_defined, _cpp_check_directive, do_define,
11890 do_undef, do_include, do_import, do_include_next, do_error,
11891 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
11892 top_pragmas, do_pragma_gcc, do_pragma_implementation,
11893 do_pragma_poison, do_pragma_system_header,
11894 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
11895 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
11896 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
11897 cpp_defined): Update for new scheme.
11898 (strtoul_for_line, get_define_node, dump_macro_name,
11899 _cpp_check_linemarker, _cpp_parse_assertion): New.
11900 (_cpp_handle_directive, do_pragma_default): Delete.
11902 * cpphash.h (struct predicate): Now struct answer.
11903 (enum spell_type, struct token_spelling, struct directive,
11904 directive_handler): New.
11905 Update prototypes. Remove unused macros.
11906 * cpplib.h: Update prototypes. Remove unused macros,
11907 structure definitions, and fields.
11909 * cpperror.c (print_containing_files, v_message): Adjust.
11910 * cppexp.c (parse_assertion, lex, parse_escape,
11911 _cpp_parse_expr): Adjust.
11912 * cppfiles.c (open_include_file, _cpp_execute_include,
11913 _cpp_compare_file_date, cpp_read_file, read_include_file):
11915 * cppinit.c (dump_special_to_buffer): Delete.
11916 (append_include_chain, merge_include_chains, cpp_reader_init,
11917 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
11918 cpp_finish, handle_option, print_help): Adjust.
11919 * cppmain.c (main): Adjust.
11921 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
11923 * cppspec.c (lang_specific_driver): Use double quotes in error
11926 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
11928 * calls.c (emit_library_call_value_1): Use valreg instead
11929 of hard_libcall_value.
11931 2000-07-03 Geoff Keating <geoffk@cygnus.com>
11933 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
11934 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
11935 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
11943 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
11944 mode instead of wider_mode is being used.
11946 2000-07-03 Jakub Jelinek <jakub@redhat.com>
11948 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
11949 of 'r'. Use q_regs_operand.
11950 (andsi_1+2): Use q_regs_operand.
11952 2000-07-03 Jakub Jelinek <jakub@redhat.com>
11954 * builtins.c (get_memory_rtx): Always put into alias set 0.
11956 2000-07-03 Nick Clifton <nickc@cygnus.com>
11958 * config/arm/arm.md: Fix post increment and pre increment
11959 peepholes so that they do not generate UNPREDICATBLE opcodes.
11960 (ie ones where the increment clobbers the source/destination).
11962 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
11964 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
11965 change too big for -mtiny-stack" a warning, if larger than 63.
11966 (out_set_stack_ptr): Change the logic so -mno-interrupts is
11967 always safe to use on possible future devices.
11968 (function_prologue): Write SPH before SPL, for consistency.
11969 If interrupt_func_p true, we know we have enabled interrupts.
11970 (avr_num_arg_regs): New function. Round up to even number of
11971 bytes if no -mpack-args or if calling a libgcc function.
11972 (function_arg, function_arg_advance): Use it.
11973 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
11974 Output "movw" if available.
11975 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
11976 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
11977 (asm_output_section_name): Add blanks for consistent output.
11978 (encode_section_info): Set TREE_READONLY for progmem data to
11979 avoid gas warnings about changed section attributes.
11980 (avr_hard_regno_mode_ok): Force non-QImode data to start in
11981 even numbered registers on devices with "movw".
11982 * config/avr/avr.h (MASK_*): Define bits for target_flags.
11983 (TARGET_SWITCHES): Mark help strings for translation.
11984 Add new -mpack-args and -menhanced switches.
11985 (TARGET_OPTIONS): Mark help strings for translation.
11986 (progmem_section): Add section attributes.
11987 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
11988 Output "movw" if available.
11989 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
11991 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
11992 call convention (arguments aligned on even registers).
11993 (_cleanup, _exit): Make weak symbols libc can override.
11995 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11997 * fp-bit.h: New file.
11999 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
12000 Comment #endif statements.
12001 (__thenan_sf, __thenan_df): Add missing braces around initializer.
12003 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
12005 * gcse.c (compute_pre_data): Compute ae_kill using other local
12006 properties instead of calling compute_ae_kill.
12008 * alias.c (init_alias_analysis): Do not call
12009 prologue_epilogue_contains until after reload has completed.
12011 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
12013 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
12014 (genrtl_finish_compound_stmt): Likewise.
12015 (genrtl_compound_stmt): Change to return void.
12017 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
12018 move code from here to ...
12019 (genrtl_compound_stmt): ... here.
12020 (genrtl_finish_compound_stmt): Remove.
12021 (expand_stmt): Add comment.
12023 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
12025 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
12028 2000-07-02 Jakub Jelinek <jakub@redhat.com>
12030 * cpplib.h (struct cpp_reader): New field include_depth.
12031 (struct cpp_printer): Rename last_bsd to last_id.
12032 * cppfiles.c (read_include_file): Bump include_depth.
12033 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
12034 (output_line_command): Output correct #line if a header
12035 is including itself and is not protected against multiple inclusion.
12036 Use include_depth instead of buffer_stack_depth, last_id instead of
12038 * cppinit.c (cpp_start_read): Initialize last_id instead of
12041 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
12043 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
12044 (c-semantics.o): New target.
12046 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
12047 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
12048 (genrtl_clear_out_block): Likewise.
12049 (genrtl_goto_stmt): Likewise.
12050 (genrtl_expr_stmt): Likewise.
12051 (genrtl_decl_stmt): Likewise.
12052 (genrtl_if_stmt): Likewise.
12053 (genrtl_while_stmt): Likewise.
12054 (genrtl_do_stmt): Likewise.
12055 (genrtl_return_stmt): Likewise.
12056 (genrtl_for_stmt): Likewise.
12057 (genrtl_break_stmt): Likewise.
12058 (genrtl_continue_stmt): Likewise.
12059 (genrtl_scope_stmt): Likewise.
12060 (genrtl_switch_stmt): Likewise.
12061 (genrtl_case_label): Likewise.
12062 (genrtl_begin_compound_stmt): Likewise.
12063 (gerntl_finish_compound_stmt): Likewise.
12064 (genrtl_compound_stmt): Likewise.
12065 (genrtl_asm_stmt): Likewise.
12066 (genrtl_decl_cleanup): Likewise.
12067 (DECL_ANON_UNION_ELEMS): Likewise.
12068 (emit_local_var): Likewise.
12069 (make_rtl_for_local_static): Likewise.
12070 (expand_cond): Likewise.
12071 (expand_stmt): Likewise.
12072 (c_expand_return): Likewise.
12073 (c_expand_start_case): Likewise.
12074 (do_case): Likewise.
12075 (COMPOUND_STMT_NO_SCOPE): Likewise.
12076 (c_expand_asm_operands): Likewise.
12077 (NEW_FOR_SCOPE_P): New macro.
12078 (expand_expr_stmt_fn): New type.
12080 (set_current_function_name_declared): Likewise.
12081 (current_function_name_declared): Likewise.
12082 (lang_expand_stmt): Likewise.
12083 (stmts_are_full_exprs_p): Likewise.
12084 (anon_aggr_type_p): Likewise.
12085 (lang_expand_expr_stmt): Likewise.
12086 (build_case_label): Likewise.
12088 * c-decl.c (lang_expand_expr_stmt): Initialize.
12089 (stmts_are_full_exprs_p): Define.
12090 (current_function_name_declared): Likewise.
12091 (do_case): Likewise.
12092 (lang_expand_stmt): Likewise.
12093 (set_current_function_name_declared): Likewise.
12094 (anon_aggr_type_p): Likewise.
12096 * c-semantics.c: New file.
12097 (expand_cond): Moved from cp/semantics.c.
12098 (genrtl_do_pushlevel): Likewise.
12099 (genrtl_clear_out_block): Likewise.
12100 (genrtl_goto_stmt): Likewise.
12101 (genrtl_expr_stmt): Likewise.
12102 (genrtl_decl_stmt): Likewise.
12103 (genrtl_if_stmt): Likewise.
12104 (genrtl_while_stmt): Likewise.
12105 (genrtl_do_stmt): Likewise.
12106 (genrtl_return_stmt): Likewise.
12107 (genrtl_for_stmt): Likewise.
12108 (genrtl_break_stmt): Likewise.
12109 (genrtl_continue_stmt): Likewise.
12110 (genrtl_scope_stmt): Likewise.
12111 (genrtl_switch_stmt): Likewise.
12112 (genrtl_case_label): Likewise.
12113 (genrtl_begin_compound_stmt): Likewise.
12114 (genrtl_finish_compound_stmt): Likewise.
12115 (genrtl_compound_stmt): Likewise.
12116 (genrtl_asm_stmt): Likewise.
12117 (genrtl_decl_cleanup): Likewise.
12118 (make_rtl_for_local_static): Moved from cp/decl.c.
12119 (emit_local_var): Likewise.
12120 (expand_stmt): Define.
12122 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
12123 (c_expand_return): Likewise.
12124 (c_expand_start_case): Likewise.
12126 2000-07-01 Richard Henderson <rth@cygnus.com>
12128 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
12129 with the low 13 bits set.
12130 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
12131 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
12132 of the low 13 bits into a CONST plus an adddi3.
12133 (load_symptr): Set RTX_UNCHANGING_P.
12135 See ChangeLog.3 for earlier changes.