1 2000-11-23 Graham Stott <grahams@redhat.com>
3 * cse.c (cse_insn): Initialise all regcost variables.
4 Fix a typo add missing '='.
5 Only compare costs if there is a replacement insn.
7 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
9 * final.c (output_addr_const) [LABEL_REF]: Simplify.
10 [MINUS]: Enclose non-CONST_INTs in parentheses.
11 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
12 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
13 * varasm.c (decode_rtx_const) [CONST]: If it's not something
14 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
15 instead of abort()ing.
16 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
17 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
18 formerly handled in output_pic_addr_const.
19 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
20 operands of MINUS in CONSTs so that decode_rtx_const() will
23 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
25 * config/sh/sh.md (mova_const): New pattern.
26 (GOTaddr2picreg): Use it.
27 * config/sh/sh.c (broken_move): Match it.
28 (mova_p): Don't match it.
29 (machine_dependent_reorg): Adjust it.
31 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
33 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
34 Moved most register-number #defines...
35 * config/sh/sh.md (define_constants): ... here. Use macros to
36 refer to registers and unspecs.
37 * config/sh/sh.c: Likewise.
39 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
41 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
42 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
43 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
44 (splay-tree.o, hash.o): Likewise.
46 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
47 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
48 (hashtab.o): Likewise.
49 (gcov.o): Depend on $(CONFIG_H).
50 * configure.in: #include insn-codes.h in tm.h.
52 2000-11-22 Nick Clifton <nickc@redhat.com>
54 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
55 const char * to avoid a compile time warning.
57 * config/arm/arm.md (define_constants): Define symbolic names for
58 the link register, last integer register and the fake CC register.
59 Update patterns to use these symbolic names.
61 2000-11-22 Neil Booth <neilb@earthling.net>
63 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
64 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
66 2000-11-22 Richard Henderson <rth@redhat.com>
68 * haifa-sched.c (sched_analyze_1): Don't special-case calls
69 for clobbering registers.
70 (sched_analyze_2): Likewise.
71 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
73 2000-11-22 Chris Demetriou <cgd@sibyte.com>
74 Neil Booth <neilb@earthling.net>
76 * gcc.c (validate_switches): Validate multiple switches named
77 in '|' (or) expressions in specs.
78 (handle_braces): If more than 1 alternative in a '|' spec
79 matches, call do_spec1 just once.
81 2000-11-22 Michael Meissner <meissner@redhat.com>
83 * d30v.h (TARGET_SWITCHES): Add documentation strings.
84 (TARGET_OPTIONS): Ditto.
85 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
88 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
90 * pa.c (hppa_encode_label): Account for addition of encoding
91 character when allocating persistent space for the new label
94 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
96 * Makefile.in, config.gcc, configure.in: Expunge remaining
97 traces of facility for running MD files through C preprocessor.
99 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
101 * gcov.texi: Add magic comments for texi2pod.pl.
102 * Makefile.in: Add rules to generate and install gcov.1.
103 * gcov.1: New (generated) file.
105 2000-11-21 Richard Henderson <rth@redhat.com>
107 * regrename.c (scan_rtx_reg): Terminate the chain rather than
108 abort on mark_read with NO_REGS.
110 2000-11-21 Mike Stump <mrs@wrs.com>
112 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
113 compilation with older compilers, such as /bin/cc on SunOS.
114 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
116 2000-11-21 Richard Henderson <rth@redhat.com>
118 * varasm.c (record_constant): Pad the constructed
119 constant_descriptor appropriately.
121 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
123 * rtl.h (traverse_md_constants): Declare.
124 (struct md_constant): Define.
125 * Makefile.in (HOST_RTL): Add hashtab.o .
126 (OBJS): Add hashtab.o .
127 (hashtab.o): New rule.
128 (rtl.o): Depends on HASHTAB_H.
129 * rtl.c (hashtab.h): #include.
130 (md_constants): New static variable.
131 (def_hash, def_name_eq_p, read_constants): New static functions.
132 (traverse_md_constants): New function.
133 (read_name): Do constant expansion.
134 (read_rtx): Recognize define_constants.
135 * gencodes.c (print_md_constant): New function.
136 (main): Emit #defines for all constant definitions encountered.
137 * md.texi (Constant Definitions): New node.
138 * gensupport.c (xcalloc): New function.
140 2000-11-21 Richard Henderson <rth@redhat.com>
142 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
143 * config/alpha/alpha-protos.h: Declare it.
144 * config/alpha/alpha.md (abstf_internal): Use it.
145 (negtf_internal): Likewise.
146 (andnotdi3): Unstar the name.
147 (movtf_internal): Add o/G alternative.
149 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
151 * stringpool.c (stringpool_statistics): Also report number and
152 percentage of entries which are identifiers.
154 2000-11-21 Diego Novillo <dnovillo@redhat.com>
156 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
157 visited before visiting it.
159 2000-11-21 Nick Clifton <nickc@redhat.com>
161 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
162 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
164 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
166 2000-11-21 Richard Henderson <rth@redhat.com>
168 * c-common.c (c_unsafe_for_reeval): New function.
169 (add_c_tree_codes): Register it.
170 * c-common.h: Declare it.
171 * tree.c (lang_unsafe_for_reeval): New hook.
172 (unsafe_for_reeval): Call it.
173 * tree.h: Declare it.
175 2000-11-21 Richard Henderson <rth@redhat.com>
177 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
180 2000-11-21 Neil Booth <neilb@earthling.net>
182 * do_includes: Revert to using cpp_read_file.
184 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
186 * loop.c (consec_sets_giv): If the reg we're examining is anything
187 but UNKNOWN_INDUCT, do nothing.
188 Reset the reg's type to UNKNOWN_INDUCT before returning.
190 Mostly from Vladimir Makarov (vmakarov@redhat.com)
191 * ia64.md (attr itanium_class): Define insn types as described in
193 (all insn patterns): Use itanium_class, not type attributes.
194 Occasionally split alternatives as necessary.
195 (attr type): Compute from new attr itanium_class.
197 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
199 * tradcpp.c (output_line_command): Mark system headers as such in
202 2000-11-21 Jakub Jelinek <jakub@redhat.com>
204 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
205 support in as as well.
206 * configure: Regenerate.
208 2000-11-20 Richard Henderson <rth@redhat.com>
210 * c-lex.c (orig_filename): New variable.
211 (init_c_lex): Set it. Move call to cpp_start_read ...
212 (yyparse): ... here. New function.
213 * c-parse.in (yyparse_1): Rename the parser entry point.
214 * c-tree.h: Declare it.
216 2000-11-21 Jakub Jelinek <jakub@redhat.com>
218 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
219 integer constant, use type of op1 for comparison.
221 2000-11-20 Stan Shebs <shebs@apple.com>
223 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
224 * config/rs6000/x-darwin: New file, Darwin host fragment.
225 * config.gcc (powerpc-*-darwin*): New host.
226 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
227 overridden by a config file.
229 2000-11-20 Neil Booth <neilb@earthling.net>
231 * cppmacro.c (paste_tokens): Rename from paste_payloads.
232 Change token type after pasting spellings.
233 (paste_all_tokens): Use it.
234 * gcc.dg/cpp/paste2.c: Update test.
235 * objc/execute/paste.m: New test.
237 2000-11-20 Richard Henderson <rth@redhat.com>
239 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
240 dwarf_subscr_data_formats bits.
241 * dwarfout.c (simple_type_size_in_bits): Handle a type with
242 no computed size as size zero.
243 (field_byte_offset): Likewise.
244 (subscript_data_attribute): Handle a range with no upper bound.
246 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
248 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
250 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
252 * c-typeck.c (build_conditional_expr): When merging type
253 qualifiers for conditional expressions between a pointer and a
254 pointer to a void type, merge the qualifiers on the target types
255 rather than the pointer type. Remove obsolete conditioned out
258 2000-11-20 Neil Booth <neilb@earthling.net>
260 * c-lang.c (lang_init_options): Update call to
262 * cppmain.c (main): Similarly.
263 * fix-header.c (read_scan_file): Similarly.
264 * cp/lex.c (lang_init_options): Similarly.
265 * objc/objc-act.c (lang_init_options): Similarly.
266 * cppexp.c (parse_number): Only warn for unextended C89.
267 * cppinit.c (set_lang): New function.
268 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
269 (COMMAND_LINE_OPTIONS): New option std=c++98.
270 (cpp_handle_option): Use set_lang.
271 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
272 * cppib.h (enum_c_lang): New enumeration. Update comments.
274 2000-11-20 Will Cohen <wcohen@redhat.com>
276 * calls.c (expand_call): Clear target only when target is in
277 hard register and current_function_check_memory_usage is set.
279 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
281 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
283 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
285 2000-11-19 Richard Henderson <rth@redhat.com>
287 * crtstuff.c (force_to_data): Use array size 1 not 0.
289 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
290 no computed size as size zero.
291 (field_byte_offset): Likewise.
293 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
295 * config.gcc: Fix another typo.
297 2000-11-19 Richard Henderson <rth@redhat.com>
299 * c-decl.c (grokdeclarator): Support flexible array members.
300 Use open-ended ranges for these and zero-length arrays.
301 * c-typeck.c (push_init_level): Validate the context of
302 initialization of a zero-length array.
303 * tree.c (int_fits_type_p): Be prepared for missing bounds.
304 * varasm.c (array_size_for_constructor): New.
305 (output_constructor): Use it for arrays of unspecified length.
306 * extend.texi (Zero Length): Mention C99 flexible array members.
307 Document initialization in a top-level struct as valid.
309 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
311 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
313 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
314 stdarg and varargs functions.
316 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
318 * gcc.c (process_command): Define 'j' variable when
319 MODIFY_TARGET_NAME is defined.
321 2000-11-19 Richard Henderson <rth@redhat.com>
323 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
325 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
327 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
328 calculation and allocation.
330 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
332 * builtins.c (c_getstr): Constify variable.
333 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
334 * conflict.c (const_conflict_graph_arc): New typedef.
335 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
336 * cppmacro.c (builtin_macro): Likewise.
337 * dwarf2out.c (output_comp_unit): Constify variable.
338 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
339 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
340 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
342 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
343 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
344 * varasm.c (const_str_htab_hash, const_str_htab_eq,
345 compare_constant_1, record_constant_1): Constify.
347 2000-11-18 Richard Henderson <rth@redhat.com>
349 * c-decl.c (grokdeclarator): Special case the creation of an
350 index for a zero-length array.
351 * tree.c (build_index_type): Revert Oct 20 change.
353 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
355 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
356 * config/avr/avr.c (jump_tables_size): New variable.
357 (function_prologue): Initialize it as 0.
358 (function_epilogue): Add it to function_size.
359 (avr_output_addr_vec_elt): New function. Count words in jump
360 tables in jump_tables_size. Move code ...
361 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
362 Call avr_output_addr_vec_elt instead.
363 * config/avr/avr.md (tablejump): Remove disabled define_expand.
365 2000-11-18 Mark Mitchell <mark@codesourcery.com>
367 * configure.in: Make --enable-new-gxx-abi the default.
368 * configure: Likewise.
370 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
372 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
374 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
375 Move extern function declarations to tradcpp.h.
377 * tradcpp.c: Likewise.
379 * tradcpp.h: New file.
381 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
383 * c-decl.c (check_for_loop_decls): New function.
384 * c-parse.in (for_init_stmt): New.
385 (select_or_iter_stmt): Use for_init_stmt.
386 * c-tree.h (check_for_loop_decls): New declaration.
388 2000-11-18 Neil Booth <neilb@earthling.net>
390 * cppinit.c: Update comments.
391 (cpp_reader_init): Make -imacro and -include use the standard
392 #include "" search path.
393 (do_includes): New function.
395 2000-11-18 Ben Elliston <bje@redhat.com>
397 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
398 out of a branch delay slot.
400 2000-11-17 Richard Henderson <rth@redhat.com>
402 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
403 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
404 (ASM_FILE_START): Only write out ecoff .file directive if
405 emitting mdebug debugging.
407 2000-11-17 Richard Henderson <rth@redhat.com>
409 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
410 whether as accepts .file/.loc and produces dwarf2 line info.
411 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
412 the assembler supports it.
413 * config.in, configure: Regenerate.
415 2000-11-17 Richard Henderson <rth@redhat.com>
417 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
419 2000-11-17 Jim Wilson <wilson@redhat.com>
421 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
422 Don't clear need_barrier is next_insn is a CALL_INSN, or has
423 instruction type B or UNKNOWN.
425 2000-11-17 Neil Booth <neilb@earthling.net>
427 * cpperror.c (print_file_and_line): Don't display line number if 0.
429 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
431 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
432 digit_vector and digit_string.
433 * stringpool.c (digit_vector): New.
434 (ggc_alloc_string): Use digit_string.
436 * stmt.c (digit_strings): Delete.
437 (init_stmt): Do not initialize digit_strings.
438 (expand_asm_operands): Use ggc.h's digit_string macro.
439 * toplev.c (mark_file_stack): Delete.
440 (compile_file): Don't call init_tree_codes.
441 (main): No need to make the file stack a GC root.
442 * tree.c (init_tree_codes): Delete.
443 * tree.h (init_tree_codes): Delete.
445 * c-lex.c: Don't include ggc.h.
446 (mark_splay_tree_node, mark_splay_tree): Delete.
447 (init_c_lex): No need to ggc_strdup string constant. Don't add
448 file_info_tree to GGC roots.
449 (cb_enter_file, cb_rename_file): No need to ggc_strdup
452 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
454 * dbxout.c (dbxout_init),
455 dwarf2out.c (dwarf2out_line),
456 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
457 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
458 xcoffout.c (xcoffout_source_file),
459 i386.c (load_pic_register):
460 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
462 * except.c (create_rethrow_ref),
463 profile.c (init_edge_profiler),
464 toplev.c (compile_file),
465 varasm.c (named_section, assemble_static_space,
466 assemble_trampoline_template, output_constant_def, force_const_mem),
467 i386.c (load_pic_register),
468 ia64.c (ia64_encode_section_info),
469 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
470 rs6000_emit_prologue, rs6000_emit_epilogue),
471 rs6000.md (load_toc_aix_si, load_toc_aix_di):
472 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
474 * profile.c (output_func_start_profiler),
476 i386.c (load_pic_register): No need to ggc_strdup string constant.
478 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
480 * Makefile.in (config.status): Depend on config.gcc.
481 * configure.in <for machine in $build $host $target>: Move
482 contents of loop into config.gcc, removing autoconf quoting.
483 Fix changequote bug for alpha*-*-vxworks*.
484 * configure: Regenerate.
487 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
489 * c-parse.in (if_prefix): Find the filename and line number at
490 $-2 and $-1 respectively.
491 * diagnostic.c (error_recursion): Add missing newline, use
492 fputs, translate string.
494 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
496 * stringpool.c: New file.
497 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
498 (ggc_alloc_string): Now in stringpool.o.
499 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
500 * ggc.h: Delete prototype of ggc_add_string_root. #define
501 ggc_add_string_root and ggc_mark_string to nothing. Prototype
502 init_stringpool and stringpool_statistics.
503 (ggc_alloc_string): Returns a const char *.
504 * tree.c (hash_table, do_identifier_warnings): Delete.
505 (init_obstacks): Don't initialize the identifier hash table.
506 (get_identifier, maybe_get_identifier, start_identifier_warnings,
507 set_identifier_size): Now in stringpool.c.
508 * tree.h (struct tree_string): Constify pointer field.
509 (approx_sqrt): Prototype.
511 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
513 * toplev.c (approx_sqrt): New function.
514 (compile_file): Call stringpool_statistics if mem_report is on.
515 (main): Call init_stringpool.
517 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
518 (process_directive), c-typeck.c (constructor_asmspec, struct
519 initializer_stack, start_init), except.c (create_rethrow_ref),
520 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
521 (built_in_filename), varasm,c (in_named_name,
522 assemble_static_space, struct constant_descriptor, struct
523 deferred_string, struct pool_constant, force_const_mem),
524 i386.c (pic_label_name, global_offset_table_name), rs6000.c
525 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
527 * c-common.c (combine_strings): Combine strings in scratch
528 buffer, then pass to build_string.
529 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
530 output_func_start_profiler), stmt.c (init_stmt), alpha.c
531 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
532 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
533 rs6000.c (rs6000_encode_section_info): Create string in
534 scratch buffer, then pass to ggc_alloc_string.
536 * stmt.c (expand_asm_operands): If we must adjust the
537 constraint strings, do so by creating a new one, not by
538 modifying the old one in place. Constify some char *s.
539 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
540 argument. Create string in scratch buffer, then pass to
542 * config/pa/pa-protos.h: Update prototype.
543 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
544 hppa_encode_label takes only one argument.
546 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
548 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
551 * cpplib.c (glue_header_name): Likewise.
553 * fixincl.c (run_compiles, start_fixer): Likewise.
555 * fixlib.c (load_file_data): Likewise.
557 * mkdeps.c (munge): Likewise.
559 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
561 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
562 trailing ';'. Fix formatting.
564 2000-11-16 Jim Wilson <wilson@redhat.com>
566 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
567 Shift masks left by one to avoid conflict.
569 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
572 2000-11-16 Nick Clifton <nickc@redhat.com>
574 * config/arm/arm.c (output_arm_prologue): Note nested functions.
575 (arm_expand_prologue): For nested functions preserve the
576 static chain register during stack frame creation.
578 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
579 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
580 with a stack frame there is a 4 byte gap between the arg
581 pointer and the hard frame pointer (used to preserve the
582 static chain register during stack frame creation).
584 2000-11-16 DJ Delorie <dj@redhat.com>
586 * rtl.c (read_rtx): Provide suitable names for unnamed
587 define_insn and define_insn_and_split patterns, based on file
590 2000-11-15 Neil Booth <neilb@earthling.net>
592 * cpplib.c (start_directive, end_directive): New functions.
593 (_cpp_handle_directive, run_directive): Use them.
594 (_cpp_handle_directive): Don't -Wtraditional on indented
596 (_cpp_push_buffer): Don't re-clear was_skipping.
597 * cpplib.h (struct cpp_reader): New member la_saved.
598 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
601 gcc.dg/cpp/_Pragma1.c: Update.
602 gcc.dg/cpp/_Pragma2.c: New test.
604 2000-11-15 Mark Mitchell <mark@codesourcery.com>
606 * toplev.c (wrapup_global_declarations): Don't write out
607 artificial static variables that aren't needed.
609 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
611 * ia64.c (struct group): New structure.
612 (last_group): New static array.
613 (group_idx): New static variable.
614 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
615 New static functions.
616 (emit_insn_group_barriers): Initialize and keep track of group_idx
618 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
619 Replace all calls to emit_insn_after that emit a group barrier to use
620 emit_group_barrier_after.
621 * ia64.h (MASK_B_STEP): New.
622 (other MASK_XXX macros): Renumbered.
623 (TARGET_B_STEP): New.
624 (TARGET_SWITCHES): Add -mb-step.
626 2000-11-15 Fred Fish <fnf@be.com>
628 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
629 machines for which fixincludes is not needed.
630 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
632 2000-11-15 Jason Merrill <jason@redhat.com>
634 * diagnostic.c (finish_abort): New fn.
635 (fancy_abort, error_recursion): Use it.
636 * toplev.c (crash_signal): Likewise.
637 * diagnostic.h: Declare it.
639 2000-11-13 Andrew Haley <aph@redhat.com>
641 * tree.c (build_type_no_quals): New function.
642 * tree.h (build_type_no_quals): Declare.
643 * c-common.c (c_get_alias_set): When considering type
644 compatibility for pointer types, ignore cv-qualifiers anywhere in
647 2000-11-15 Graham Stott <grahams@redhat.com>
649 * regrename.c (scan_rtx_rtx): Skip to the next chain on
650 encountering a terminated chain.
652 2000-11-14 Mark Mitchell <mark@codesourcery.com>
654 * configure.in: Move check for V3 above check for C++ header-file
656 * configure: Regenerated.
658 2000-11-14 DJ Delorie <dj@redhat.com>
660 * config/v850/v850.c: Remove obstacks.
662 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
664 * config/avr/avr.c (avr_case_values_threshold): New.
665 (avr_override_options): Set it depending on options, make it large
666 when not optimizing to work around "unable to generate reloads".
668 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
669 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
670 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
671 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
672 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
673 (avr_case_values_threshold): Declare as extern int.
674 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
676 * config/avr/avr.md (tablejump): Removed.
677 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
678 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
679 index in the table, not multiplied by 2.
680 (casesi): Change to match the above insns. Always enable.
682 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
683 Change to expect the word address of the table, multiply it by 2
684 here and not in the caller. Change "adiw" to faster "inc".
686 2000-11-14 Neil Booth <neilb@earthling.net>
688 * cppexp.c (parse_defined): Call cpp_get_token not
691 * cpplex.c (cpp_output_line): Similarly.
692 * cpplib.c (glue_header_name, do_line, do_ident,
693 parse_answer, parse_assertion): Similarly.
694 (_cpp_handle_diretive): Don't save to lookaheads
695 when processing directives.
696 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
698 (funlike_invocation_p): Don't save to lookaheads
699 when pre-expanding arguments.
700 (_cpp_get_token): Delete.
701 (cpp_get_token): Merge contents of _cpp_get_token.
703 2000-11-14 Jakub Jelinek <jakub@redhat.com>
705 * builtins.c (expand_builtin_setjmp): Set
706 current_function_calls_setjmp.
707 (expand_builtin_longjmp): Set current_function_calls_longjmp.
709 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
710 (do_builtin_setjmp_setup): New insn.
712 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
714 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
715 (int_fits_type_p): For variable bounds, call force_fit_type.
717 2000-11-14 Jakub Jelinek <jakub@redhat.com>
719 * varasm.c (struct deferred_string): New structure.
720 (const_str_htab): New variable.
721 (STRHASH): New macro.
722 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
723 constr_str_htab_eq, const_str_htab_del): New functions.
724 (output_constant_def): Add DEFER argument, defer string
725 constants until mark_constant_pool time if requested.
726 (mark_constant_pool): Walk the insn chain even if const_str_htab is
728 (mark_constants): If a SYMBOL_REF for deferred string is found,
729 output it and remove from hash table.
730 (output_addressed_constants): Set DEFER to 0 in call to
732 * rtl.h (STRING_POOL_ADDRESS_P): Define.
733 (output_constant_def): Adjust prototype.
734 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
736 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
738 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
739 signed types if flag_trapv.
741 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
743 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
746 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
748 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
750 2000-11-14 Jakub Jelinek <jakub@redhat.com>
752 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
753 to array of pool_constnat pointers.
754 (struct pool_constant): Add next_sym and label members.
755 (struct pool_sym): Remove.
756 (init_varasm_status): Change pool_sym into pool_constant.
757 (mark_pool_constant): Mark pc->label string as well.
758 (mark_pool_sym_hash_table): Remove.
759 (mark_varasm_status): Remove it from caller as well.
760 (free_varasm_status): Don't free pool_sym structures.
761 (force_const_mem): Don't allocate pool_sym structure, instead
762 fill pool->label and chain it into rtx_sym hash table.
763 (find_pool_constant, mark_constant_pool): Use pool_constant instead
766 2000-11-14 Jakub Jelinek <jakub@redhat.com>
768 * reload1.c (emit_input_reload_insns): Honour forcing of constants
769 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
771 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
773 * dominance.c: New file.
774 * Makefile.in (OBJS): Add dominance.o.
776 * flow.c (compute_flow_dominators): Remove.
777 (compute_immediate_dominators): Remove.
778 (compute_immediate_postdominators): Remove.
779 * basic-block.h: Remove their prototypes.
780 (calculate_dominance_info): Add prototype.
782 * dce.c (eliminate_dead_code): Change calls to above functions.
783 Don't compute dominators but only immediate dominators.
784 * flow.c (flow_loops_find): Change callers.
785 * gcse.c (compute_code_hoist_data): Likewise.
786 * haifa-sched.c (schedule_insns): Likewise.
787 * ifcvt.c (if_convert): Likewise.
788 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
791 2000-11-14 Richard Henderson <rth@redhat.com>
793 * stmt.c (warn_if_unused_value): Don't warn if the expression
796 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
797 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
799 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
801 * loop.c (basic_induction_var): Revert accidental checkin.
803 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
805 * c-lex.c (cb_leave_file): Harmonize conditions and order of
806 statements to those of process_directive for (action == act_pop).
808 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
810 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
813 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
815 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
818 2000-11-13 Neil Booth <neilb@earthling.net>
820 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
821 cases return without MI check.
822 * cpplib.c (do_diagnostic): Take boolean of whether to
823 print the directive name.
824 (do_error, do_warning): Update.
825 (do_pragma_dependency): Use it.
826 * cpplib.h (VARARGS_FIRST): Delete.
827 (struct cpp_token): Delete integer.
828 * cppmacro.c (enter_macro_context): Move disabled check
830 (_cpp_get_token): Simplify into a single loop.
832 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
834 * configure.in: Use 'test -f' not '[ -e'.
835 * configure: Regenerated.
837 2000-11-13 DJ Delorie <dj@redhat.com>
839 * config/mn10300/mn10300.md (store_movm): Note which registers are
840 really used or clobbered.
842 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
844 * c-parse.in (ends_in_label): Remove from %union and %type.
845 (decls, stmts, lineno_stmt_or_labels, xstmts,
846 lineno_stmt_or_label, stmt_or_label): Remove.
847 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
848 lineno_stmt_decl_or_labels_ending_decl,
849 lineno_stmt_decl_or_labels_ending_label,
850 lineno_stmt_decl_or_labels_ending_error,
851 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
852 lineno_stmt, lineno_label): New.
853 (compstmt_nostart): Use compstmt_contents_nonempty.
855 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
857 * c-common.c (boolean_increment): New function.
858 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
859 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
860 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
861 (boolean_increment): Declare.
862 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
863 * c-decl.c (init_decl_processing): Create boolean nodes.
864 (finish_struct): Allow for _Bool bitfields.
865 * c-parse.in (reswords): Add _Bool.
866 (rid_to_yy): Allow for RID_BOOL.
867 * c-typeck.c (default_conversion): Make booleans promote to int.
868 (convert_arguments, build_unary_op, build_modify_expr,
869 convert_for_assignment): Allow for booleans.
870 * ginclude/stdbool.h: Make conforming to C99.
872 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
874 * c-parse.in (c99_block_start, c99_block_end,
875 c99_block_lineno_labeled_stmt): New.
876 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
877 (stmt): Split off selection and iteration statements into...
878 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
880 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
882 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
885 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
887 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
888 Rewrite to avoid use of match_dup. Don't try to tie registers that
889 are not in the same mode.
891 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
893 * invoke.texi: Update lists of languages and suffixes supported.
895 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
897 * configure.in: Take toplevel configure arguments from the
898 environment to create configargs.h and substitute
899 gcc_config_arguments, taking account of any existing configargs.h
901 * configure: Regenerate.
902 * gccbug.in: Include toplevel configure arguments in gccbug.
904 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
906 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
907 union to make it well-aligned. Update all uses.
909 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
911 * c-parse.in (initelt): Give appropriate pedantic warnings,
912 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
914 (designator): If pedantic, pedwarn for a designator specifying a
916 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
918 * extend.texi: Document the C99 syntax as the preferred syntax,
919 and the pre-2.5 syntax as obsolete. Mention use of designator
920 lists for nested subobjects.
922 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
924 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
925 Add ATTRIBUTE_PRINTF.
926 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
927 Add ATTRIBUTE_PRINTF*.
929 2000-11-12 Mark Mitchell <mark@codesourcery.com>
931 * function.c (assign_parms): When calling put_var_into_stack, make
932 sure that there are no hidden pending sequences.
934 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
936 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
937 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
940 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
942 * c-common.c (c_common_nodes_and_builtins): Declare index and
943 rindex when nonansi builtins are allowed.
945 * extend.texi (index, rindex): Document new builtins.
947 2000-11-12 Mark Mitchell <mark@codesourcery.com>
949 * configure.in: Turn on libstdc++ V3 by default.
950 * configure: Regenerated.
952 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
954 2000-11-12 Jakub Jelinek <jakub@redhat.com>
956 * reload1.c (set_label_offsets): Go inside of PARALLELs.
958 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
960 * invoke.texi: Clean up option summary.
962 2000-11-12 Nick Clifton <nickc@redhat.com>
964 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
967 2000-11-12 Marc Espie <espie@openbsd.org>
969 * configure.in: Fix filds test.
972 2000-11-12 Mark Mitchell <mark@codesourcery.com>
974 * jump.c (delete_computation): Don't assume that just becuase an
975 instruction sets a register, that register is dead.
977 2000-11-12 Neil Booth <neilb@earthling.net>
979 * cppexp.c: Don't worry about pfile->skipping.
980 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
981 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
982 for handled directives.
983 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
984 and releasing lookaheads.
985 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
986 (do_else, do_elif, push_conditional): Update logic.
987 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
988 (unwind_if_stack): Inline into cpp_pop_buffer.
989 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
990 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
991 multiple-include optimisation.
992 * cpplib.h (struct cpp_buffer): New member was_skipping.
993 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
994 works because skipping == 0 in directives.
995 (_cpp_release_lookahead): Renamed from release_lookahead.
996 (cpp_get_token): No need to check skipping as _cpp_get_token does
997 this for us. No need to handle MI optimisation.
999 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
1001 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
1002 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
1003 * fixinc/fixincl.x: Regenerated.
1005 2000-11-11 Bruce Korb <bkorb@gnu.org>
1007 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
1008 (avoid_wchar_t_type): ditto
1009 * fixinc/fixinc.irix: obsoleted
1011 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
1013 * configure.in: Don't add $outputs to all_lang_makefiles. Add
1014 $srcdir/$s/Makefile.in if it exists.
1015 * configure: Regenerate.
1017 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
1019 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
1021 2000-11-11 Jason Merrill <jason@redhat.com>
1023 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
1024 give the parm a register and then call put_var_into_stack.
1025 * stmt.c (expand_decl): Likewise.
1027 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1029 * gcc.texi: Adjust wording.
1031 2000-11-11 Mark Mitchell <mark@codesourcery.com>
1033 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
1034 * fininc/fixincl.x: Regenerated.
1036 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1038 * invoke.texi: Correct spelling of -foptimize-register-move.
1040 2000-11-11 Neil Booth <neilb@earthling.net>
1042 Remove CPP_PLACEMARKERs.
1044 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
1045 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
1046 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
1048 * cpplib.h: Remove CPP_PLACEMARKER.
1049 (struct lexer_state): Rename skip_newlines to next_bol.
1050 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
1051 Simplify prev_white handling as a result.
1052 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
1053 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
1054 (parse_args): Similarly. Update argument count tests.
1055 (enter_macro_context): Return 2 to indicate an empty macro.
1056 (replace_args): Don't bother pre-expanding an empty argument.
1057 Handle placemarkers and ## extension during pre-expansion.
1058 (cpp_get_token): Handle empty macro expansions. Don't worry
1059 about CPP_PLACEMARKERs.
1060 (_cpp_create_definition): Empty macros are now empty.
1061 (cpp_macro_defintion): Don't special case empty macros.
1062 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
1063 * c-lex.c: Similarly.
1065 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1067 * gcc.texi, invoke.texi: Add new section discussing language
1068 standards; link to it where appropriate; refer to ISO C instead of
1071 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
1073 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
1076 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
1079 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1081 * gcc.texi, gcov.texi: Update dates and version numbers.
1083 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
1085 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
1086 flex and bison, specifically, first in a unified build and
1087 then installed on the system.
1088 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
1089 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
1092 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
1093 cppdefault.o): Remove pointless sed munging of source file
1096 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
1098 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
1099 for address reloads. Push replacements for REG_INC notes.
1100 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
1102 * reload1.c (choose_reload_regs): Registers set in the insn can't be
1103 used for RELOAD_OTHER reloads.
1105 2000-11-10 Mark Mitchell <mark@codesourcery.com>
1107 * c-dump.h: New file.
1109 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1111 * alpha.c (check_float_value): Use memcpy, not bcopy.
1112 * arm.c (output_move_double): Likewise.
1114 * m88k.c (legitimize_operand): Likewise.
1115 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1116 * m88k.md: Likewise.
1117 * mips.c (override_options): Likewise.
1118 * mips.md: Likewise.
1119 * romp.c (output_fpops): Likewise.
1120 * rs6000.c (rs6000_override_options): Likewise.
1122 * vax.c (check_float_value): Likewise.
1124 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
1125 * expmed.c (synth_mult): Likewise.
1126 * final.c (add_bb_string): Likewise.
1127 * genattr.c (main): Likewise.
1128 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
1130 * jump.c (thread_jumps): Likewise.
1131 * prefix.c (save_string): Likewise.
1132 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
1133 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
1134 * reload1.c (reload, eliminate_regs): Likewise.
1136 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1138 * gcc.texi (Service): Update to reflect current practice and
1139 location of the GNU service directory.
1141 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
1143 * regrename.c (build_def_use): Mark contents of REG_INC notes as
1144 needing replacement.
1146 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
1147 a no-op move if regs are equal.
1148 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
1149 when calling jump after post-reload splitting.
1151 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
1153 * c-tree.texi: Fix typos.
1154 * extend.texi: Likewise
1155 * gcov.texi: Likewise
1156 * rtl.texi: Likewise
1159 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
1161 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1162 in_system_header and flags[1] before dereferencing flags[2].
1164 2000-11-09 Matthew Hiller <hiller@redhat.com>
1166 * reload1.c (reload_combine): Fixed calculation of
1167 first_index_reg, last_index_reg.
1169 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1171 * c-dump.c (dequeue_and_dump): Dump function bodies.
1173 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1174 (c-dump.o): New target.
1175 * c-common.h (flag_dump_translation_unit): New variable.
1176 (C_TYPE_QUALS): New macro.
1177 (strip_array_types): New function.
1178 (DECL_C_BIT_FIELD): New macro.
1179 (SET_DECL_C_BIT_FIELD): Likewise.
1180 (CLEAR_DECL_C_BIT_FIELD): Likewise.
1181 (dump_info_p): New typedef.
1182 (dump_tree_fn): Likewise.
1183 (lang_dump_tree): New variable.
1184 (dump_node_to_file): New function.
1185 * c-common.c (flag_dump_translation_unit): Define it.
1186 (strip_array_types): New function.
1187 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
1188 * c-lang.c (finish_file): Call dump_node_to_file if
1189 flag_dump_translation_unit.
1190 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
1191 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
1192 * c-dump.c: New file.
1194 2000-11-09 Christopher Faylor <cgf@cygnus.com>
1196 * config/i386/cygwin.h: Add mingw startfile prefix.
1198 2000-11-09 Richard Henderson <rth@redhat.com>
1200 * flow.c (invalidate_mems_from_set): Split out from ...
1201 (mark_set_1): ... here.
1202 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
1203 instead of turning insn into a NOTE_INSN_DELETED.
1205 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1207 * extend.texi, invoke.texi: Move documentation of builtin versions
1208 of C library functions to one place and update.
1210 2000-11-09 Richard Henderson <rth@redhat.com>
1212 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
1213 the types themselves to discover type equivalence.
1215 2000-11-09 Mike Stump <mrs@wrs.com>
1217 * Makefile.in (distclean): Remove a few extra leftovers.
1219 2000-11-09 Richard Henderson <rth@redhat.com>
1221 * recog.c (validate_replace_rtx_1): Consider subregs when
1222 replacing a register with a constant inside a sign/zero_extend.
1224 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1226 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
1228 * c-decl.c (finish_struct): When a structure is completed,
1229 check all its variant types for completeness.
1231 2000-11-09 Neil Booth <neilb@earthling.net>
1233 * cpphash.c: Move cpp_defined here from cpplib.c.
1234 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
1235 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
1236 * cppmacro.c (cpp_get_token): Update comments, no need now
1237 to catch the CPP_EOF meaning EOL case.
1239 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
1241 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
1242 is more than that provided, copy to a temporary.
1244 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
1246 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
1247 interpreting $out as a macro assignment.
1248 * Makefile.in (T_TARGET): New auxiliary macro and target.
1249 (all): Add a target right in the beginning, so that we don't build
1250 T_TARGET by default.
1252 2000-11-09 Graham Stott <grahams@redhat.com>
1254 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
1255 order for -mintel-syntax. Remove comment now that the operand
1256 order has been checked.
1257 (mmx_pextrw): Likewise.
1258 (mmx_pshufw): Likewise.
1260 2000-11-09 Jakub Jelinek <jakub@redhat.com>
1262 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
1263 (c_getstr): New function.
1264 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
1265 If both arguments are constant string, optimize out.
1266 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
1267 (expand_builtin_strpbrk): Use c_getstr, do nothing if
1268 -fcheck-memory-usage.
1269 (expand_builtin_fputs): Likewise.
1270 (expand_builtin_strcmp): Add MODE argument.
1271 Use even if !HAVE_cmpstrsi.
1272 Optimize the case when both arguments are constant strings.
1273 (expand_builtin): Adjust expand_builtin_strcmp caller.
1274 Call expand_builtin_strchr and expand_builtin_strrchr.
1275 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
1277 * builtins.def (BUILT_IN_STRRCHR): Add.
1279 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1281 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
1283 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
1285 * calls.c (expand_call, emit_library_call_value_1), collect2.c
1286 (scan_prog_file), config/a29k/a29k.c (print_operand),
1287 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
1288 instead of bcopy ().
1289 * real.h: Use memcmp () instead of bcmp ().
1290 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
1291 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
1292 ultrasparc_sched_init, ultrasparc_sched_reorder),
1293 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
1294 instead of bzero ().
1295 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
1296 instead of rindex ().
1297 * configure.in: Don't check for bzero, bcmp, index or rindex.
1298 * configure, config.in: Regenerate.
1299 * system.h: Don't include declarations for bzero, bcmp, index or
1301 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
1302 bzero, bcmp, index or rindex.
1304 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
1306 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
1307 include and library paths from -mcygwin case. Parameterize some
1308 declarations to avoid warnings. Use standard locations for include and
1311 2000-11-08 Nick Clifton <nickc@redhat.com>
1313 * config/arm/arm.md (mulsidi3adddi): Change output operand
1314 constraint from "=&" to "+&".
1315 (umulsidi3adddi): Change output operand constraint from "=&" to
1318 2000-11-08 Richard Henderson <rth@redhat.com>
1320 * flow.c (init_propagate_block_info): Protect the rtx stored in
1321 mem_set_list from modification by find_auto_inc.
1322 (mark_set_1): Likewise.
1324 2000-11-08 Neil Booth <neilb@earthling.net>
1326 Move directive handling into the lexer itself.
1328 * cpplex.c (_cpp_lex_token): Handle directives directly.
1329 In the case of a directive interrupting a function-like
1330 macro invocation, use extra_char since read_ahead is
1331 used to store the '#'. Return a CPP_EOF in this case.
1332 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
1333 (cpp_get_token): Don't handle directives here.
1334 * cpplib.h: Remove CPP_DHASH token type.
1336 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
1338 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
1339 formed using PRE_MODIFY too.
1341 2000-11-08 Mark Mitchell <mark@codesourcery.com>
1343 * c-tree.texi (VAR_DECL): Describe representation of GCC's
1344 extension for placing variables in particular registers.
1346 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
1347 unprototyped C functions with no parameters.
1349 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1351 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
1352 before passing to fprintf.
1354 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1356 * function.c (expand_function_start): Cast GET_MODE_SIZE to
1357 HOST_WIDE_INT before negating it.
1359 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1361 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
1362 passed in multiple non-contiguous locations.
1364 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1366 * README.gnat: Remove file.
1368 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
1370 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
1373 2000-11-07 Richard Henderson <rth@redhat.com>
1375 * dwarfout.c (INSN_LABEL_FMT): Remove.
1376 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1377 (dwarfout_label): Remove.
1378 * dwarfout.h: Remove it's prototype.
1379 * dwarf2out.c (INSN_LABEL_FMT): Remove.
1380 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1381 (dwarf2out_label): Remove.
1382 * dwarf2out.h: Remove it's prototype.
1383 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
1385 2000-11-07 Richard Henderson <rth@redhat.com>
1387 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
1388 search on the unwind region section.
1390 * config/ia64/ia64.md (movbi): Add r/r alternative.
1391 (cmovdi_internal_astep): Describe all combinations of register
1392 classes for sources & destinations; remove matching constraints.
1393 (cmovdi_internal): Likewise.
1395 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
1397 2000-11-07 Richard Henderson <rth@redhat.com>
1399 * c-lang.c (start_cdtor, finish_cdtor): New functions.
1400 (finish_file): Use them in building constructor/destructor functions.
1402 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
1403 LD_FINI_SWITCH): Move ...
1404 * config/alpha/osf.h: ... here.
1405 * config/alpha/alpha-interix.h: Don't undef them.
1407 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
1409 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
1410 included in libgcc.a.
1412 (dp-bit.c): Likewise.
1413 (fp-bit.c): Likewise.
1415 2000-11-07 Nick Clifton <nickc@redhat.com>
1417 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
1418 (INTERNAL_ASM_OP): Add missing tab.
1420 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1422 * alias.c (init_alias_analysis), calls.c (expand_call,
1423 emit_library_call_value_1), combine.c (init_reg_last_arrays),
1424 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
1425 (init_output_buffer, set_diagnostic_context), dwarf2out.c
1426 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
1427 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
1428 function.c (assign_parms), gcse.c (compute_can_copy,
1429 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
1430 compute_hash_table, compute_set_hash_table,
1431 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
1432 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
1433 clear_units, schedule_block), integrate.c (initialize_for_inline,
1434 expand_inline_function), jump.c (thread_jumps), local-alloc.c
1435 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
1436 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
1437 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
1438 record_reg_classes, allocate_reg_info), reload.c
1439 (get_secondary_mem, remove_address_replacements, find_reloads),
1440 reload1.c (reload, set_initial_label_offsets, finish_spills,
1441 reload_as_needed, choose_reload_regs_init,
1442 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
1443 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
1444 (rename_registers), stmt.c (expand_end_case), unroll.c
1445 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
1446 () instead of bzero ().
1448 2000-11-07 Neil Booth <neilb@earthling.net>
1450 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
1452 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1454 * c-common.c (combine_strings): Only warn about long strings for C.
1456 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
1458 * combine.c (distribute_notes): Fix typo in last change.
1460 2000-11-07 Geoff Keating <geoffk@redhat.com>
1462 * config/rs6000/rs6000.md (movdi_internal32+1): Use
1463 operand_subreg_force rather than gen_rtx_SUBREG.
1464 (movdi_internal32+2): Likewise.
1466 2000-11-07 Philip Blundell <philb@gnu.org>
1468 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
1469 * config/arm/linux-aout.h: Likewise.
1470 * configure: Regenerate.
1472 2000-11-07 Philipp Thomas <pthomas@suse.de>
1474 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
1475 accepted my the gettext maintainer.
1477 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1479 * builtins.c (expand_builtin_strpbrk): New function.
1480 (expand_builtin): Handle BUILT_IN_STRPBRK.
1482 * builtins.def (BUILT_IN_STRPBRK): New entry.
1484 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1487 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
1489 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
1490 * POTFILES.in: Add config/alpha/freebsd.h
1491 * configure.in: Add alpha*-freebsd support.
1492 * configure: Regenerate.
1494 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1496 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
1497 copy of ptr_type_node rather than ptr_type_node itself.
1499 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
1501 * combine.c (recog_for_combine): Allocate uninitialized vector with
1503 * recog.c (apply_change_group): Likewise.
1505 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
1507 * flow.c (verify_local_live_at_start): Back out last change.
1508 * combine.c (distribute_notes): When parts of a hard reg are
1509 neither set nor referenced in PLACE, search backwards for a
1510 place to put a REG_UNUSED note; if none found, ask for flow
1513 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
1515 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
1516 with (clobber (match_scratch...)).
1518 2000-11-06 Neil Booth <neilb@earthling.net>
1520 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
1523 2000-11-06 Neil Booth <neilb@earthling.net>
1525 * tradcpp.c (special_symbol): Assign an null string rather
1526 than writing to an unallocated buffer.
1528 2000-11-06 Neil Booth <neilb@earthling.net>
1530 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
1533 2000-11-06 Neil Booth <neilb@earthling.net>
1535 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
1536 tok.val.arg_no as appropriate.
1537 * cppexp.c (lex): Similarly.
1538 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
1539 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
1540 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
1541 cpp_macro_definition): Similarly.
1542 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
1544 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1546 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
1547 operands[1] is constant, calculate the sum and generate movdi.
1548 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
1549 (subsi3): Use SImode in call to arith_4096_operand.
1551 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1553 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
1554 adjust %o1, not %o0 if the return type is large structure.
1556 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1558 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
1559 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
1561 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
1563 * expmed.c (expand_divmod): For signed divide by 2, prefer
1564 a branch and fewer shifts if branches are very cheap.
1566 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
1568 * Makefile.in: Remove all targets related to building
1569 distributions and diffs, or INSTALL.
1570 * INSTALL, install1.texi: Remove.
1571 * configure.in: Remove mention of distdir.
1572 * configure: Regenerate.
1573 * objc/Make-lang.in: Remove mention of distdir.
1575 2000-11-04 Neil Booth <neilb@earthling.net>
1577 * cpp.texi: Update for _Pragma.
1579 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
1581 * gcc.texi (Contributing): Update URL for projects web page.
1583 2000-11-04 Neil Booth <neilb@earthling.net>
1585 * cpplex.c (parse_string): Don't allow multiline strings in
1586 #include family directives.
1588 2000-11-04 Neil Booth <neilb@earthling.net>
1590 * cpplib.c (do_line): Only warn pedantically if not reading
1593 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
1595 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
1598 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
1600 * builtins.c (expand_builtin_strlen): Remove unused mode
1602 * gcc.c (process_command): Remove unused variable.
1603 * fold-const.c: Include expr.h.
1604 * recog.c: Include reload.h.
1605 * Makefile.in (recog.o, fold-const.o): Update deps.
1607 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
1609 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
1611 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
1613 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
1615 (STARTFILE_SPEC): Likewise.
1616 (LINK_SPEC): Likewise.
1618 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1620 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
1621 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
1622 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
1624 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
1626 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
1627 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
1628 perm_calloc, get_identifier, maybe_get_identifier,
1629 real_value_from_int_cst, simple_cst_equal), varasm.c
1630 (assemble_name, assemble_real, immed_real_const_1,
1631 compare_constant_1, decode_rtx_const, output_constant_pool): Use
1632 strrchr () instead of rindex (). Use memcmp () instead of bcmp
1633 (). Use memcpy () instead of bcopy (). Use memset () instead of
1636 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
1638 * cppfiles.c (open_file): If already read, then don't reopen.
1639 Immediately close an empty file.
1641 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1643 * expr.h (fold_builtin): Move declaration...
1644 * tree.h (fold_builtin): ... here.
1646 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
1648 * flow.c (verify_local_live_at_start): Allow hard regs to die.
1650 2000-11-02 Neil Booth <neilb@earthling.net>
1653 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
1654 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
1655 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
1656 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
1657 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
1658 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
1659 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
1660 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
1661 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
1662 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
1663 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
1664 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
1665 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
1666 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
1667 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1668 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
1669 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
1670 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
1671 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
1672 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
1673 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
1674 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
1675 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
1676 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
1677 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
1678 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
1679 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
1680 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
1681 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
1682 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
1683 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
1684 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
1685 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
1686 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
1687 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
1688 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
1689 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
1690 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
1691 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
1692 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
1693 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
1694 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
1695 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
1696 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
1697 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
1698 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
1699 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
1700 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
1701 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
1702 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
1703 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
1704 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
1705 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
1706 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
1707 vax/vaxv.h, vax/vms.h, we32k/we32k.h
1709 Replace -A() with -A=, the new assertion syntax.
1711 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
1713 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
1715 In REG_DEAD handling: When handling parts of multi-hard-reg hard
1716 registers, increment the loop counter by the size of the parts;
1717 use recursion to handle individual parts.
1719 2000-11-02 Neil Booth <neilb@earthling.net>
1721 * configure.in: Make integrated CPP the default.
1722 * configure: Regenerate.
1724 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
1726 * reload.c (find_equiv_reg): Test all hard registers for membership
1727 in the requested class.
1729 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1731 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
1732 process_command, main), gcov.c (open_files, output_data), tlink.c
1733 (frob_extension, scan_linker_output), toplev.c
1734 (file_name_nondirectory): Use strchr () and strrchr () instead of
1735 index () and rindex ().
1737 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1739 * c-common.c (get_flag_spec, check_format_info_main,
1740 check_format_types): Use strchr () instead of index (). Compare
1741 against error_mark_node instead of comparing the TREE_CODE against
1744 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
1748 * c-lex.c (init_c_lex): Update cpp_start_read call.
1749 (cb_ident): Update for new callback prototype.
1750 (cb_def_pragma): Update for new cpp_get_token prototype.
1751 (c_lex): Similarly. Use cpp_get_line.
1753 * c-parse.in (finish_parse): Update for new cpp_finish
1756 * cp/lex.c (finish_parse): Similarly.
1758 2000-11-01 Geoff Keating <geoffk@cygnus.com>
1760 * machmode.def: Add V16QImode.
1762 2000-11-01 Richard Henderson <rth@redhat.com>
1764 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
1765 from rtl_for_decl_location.
1766 (add_location_or_const_value_attribute): Likewise.
1768 2000-11-01 Neil Booth <neilb@earthling.net>
1770 * cpplib.c (run_directive): Use correct line number for output
1771 of _Pragma. Remember any in-progress directive.
1773 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
1775 2000-11-01 Richard Henderson <rth@redhat.com>
1777 * stmt.c (expand_start_null_loop): Set continue_label.
1779 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1781 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
1782 (expand_builtin_constant_p): Move parts of the code into
1783 fold_builtin_constant_p.
1784 (expand_builtin_strlen): Move parts of the code into fold_builtin.
1785 * expr.h (fold_builtin): Declare.
1786 * fold-const.c (fold): Handle builtin calls.
1788 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
1790 2000-11-01 Richard Henderson <rth@redhat.com>
1792 * stmt.c (expand_start_null_loop): New.
1793 (expand_end_null_loop): New.
1794 * c-semantics.c (genrtl_do_stmt): Use them.
1795 * tree.h: Declare them.
1797 2000-11-01 Richard Henderson <rth@redhat.com>
1799 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
1801 2000-11-01 Neil Booth <neilb@earthling.net>
1803 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
1804 * cp/spew.c: Similarly.
1805 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
1806 * cppmacro.c (stringify_arg): Similarly.
1807 * cpplib.h (CPP_BACKSLASH): Delete.
1809 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1811 * builtins.c (expand_builtin_strstr): New function.
1812 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
1814 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
1816 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
1819 2000-10-31 Richard Henderson <rth@redhat.com>
1821 * config/i386/i386.c (fcmov_comparison_operator): Check for
1822 CCFPmode or CCFPUmode instead of CCmode.
1823 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
1824 unordered operations as well.
1826 2000-10-31 Richard Henderson <rth@redhat.com>
1828 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
1829 of integer_zero_node.
1831 2000-10-31 Richard Henderson <rth@redhat.com>
1833 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
1835 2000-10-31 Nick Clifton <nickc@redhat.com>
1837 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
1838 -fdata-sections to override the section attribute of a DECL.
1840 2000-10-31 Chris Demetriou <cgd@sibyte.com>
1842 * libgcc2.c (__shtab): Remove __shtab variable.
1843 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
1844 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
1847 2000-10-31 Jim Wilson <wilson@redhat.com>
1849 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
1850 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
1851 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
1852 instead of ASM_OUTPUT_INTERNAL_LABEL.
1853 (dwarf2out_end_block, dwarf2out_label): Likewise.
1854 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
1855 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
1857 2000-10-31 Richard Henderson <rth@redhat.com>
1859 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
1860 (size_of_locs): Set it.
1861 (output_loc_operands): Use it to compute branch displacement.
1862 (int_loc_descriptor): New.
1863 (mem_loc_descriptor): Dereference memory in the proper size.
1864 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
1865 (loc_descriptor_from_tree): New.
1866 (rtl_for_decl_location): Break out from ...
1867 (add_location_or_const_value_attribute): ... here.
1868 (add_bound_info): Use loc_descriptor_from_tree.
1870 2000-10-31 Neil Booth <neilb@earthling.net>
1872 * cpp.texi: Update for new command line assertion syntax.
1873 * cpplib.c (cpp_define): Simplify a bit.
1874 (cpp_assert, cpp_unassert): Use handle_assertion.
1875 (handle_assertion): New function; accept new command line
1877 * testsuite/gcc.dg/cpp/assert3.c: New tests.
1879 2000-10-31 Neil Booth <neilb@earthling.net>
1881 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
1882 undefined. Remove #ifdef check.
1883 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
1884 Define STDC_0_IN_SYSTEM_HEADERS to 1.
1886 2000-10-31 Jan Hubicka <jh@suse.cz>
1887 Jakub Jelinek <jakub@redhat.com>
1889 * config/i386/i386.h: Clarify CCNOmode description in comment.
1890 (EXTRA_CC_MODES): Remove CCRCmode.
1891 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
1892 (put_condition_code, ix86_match_ccmode): Likewise.
1893 (ix86_cc_mode): Likewise. Fix comment.
1894 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
1895 * config/i386/i386.md: Add unspec 12 description.
1896 (adddi3 split): Use unspec 12 instead of CCRCmode.
1897 (addsi3_carry_rc): Remove.
1898 (addsi3_cc, addqi3_cc): New patterns.
1899 (addsi_3): Swap operands, match CCZmode.
1900 (addsi_4): Rewritten.
1901 (addsi_5): Renamed from addsi_6.
1903 (addhi_3): Swap operands, match CCZmode.
1904 (addhi_4): Rewritten.
1905 (addhi_5): Renamed from addhi_6.
1907 (addqi_3): Swap operands, match CCZmode.
1908 (addqi_4): Rewritten.
1909 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
1910 (subsi3_carry_rc): Removed.
1911 (iorqi_3): Use =q constraint for clobber.
1912 (xorqi_cc_2): Likewise.
1913 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
1914 (x86_movsicc_0_m1_rc): Removed.
1915 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
1917 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
1919 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
1920 and decrement of complex types.
1922 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1924 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
1925 builtin fputs, ensure we still evaluate the stream in case it
1928 2000-10-31 Jakub Jelinek <jakub@redhat.com>
1930 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
1933 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
1935 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
1936 (fp_extended_operand, emit_fpscr_use): Likewise.
1937 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
1938 (fpul_operand): New function.
1939 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
1940 fp_extended_operand. Add fpul_operand.
1941 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
1942 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
1943 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
1944 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
1945 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
1946 (divdf3_i): Likewise.
1947 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
1948 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
1949 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
1950 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
1951 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
1953 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
1955 * config/i386/i386.c (ix86_init_builtins): Correct return type
1956 building v4hi_ftype_v4hi_int_int tree node.
1957 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
1958 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
1960 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
1962 (mmx__uavgv8qi3): Correct insn mnemonic.
1963 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
1964 (mmx_punpckhwd): Correct insn mnemonic.
1965 (mmx_punpckhdq): Likewise.
1966 (mmx_punpcklwd): Likewise.
1967 (mmx_punpckldq): Likewise.
1968 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
1969 Renumber case labels to match the _mm_prefetch constants defined in
1972 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
1973 if the splitter didn't emit new insns.
1974 Make sure we call cleanup_subreg_operands even when splitting the last
1975 insn in a basic block.
1977 * invoke.texi (Debugging Options): Describe -do.
1978 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
1979 (dump_file): Likewise.
1980 (rest_of_compilation): Split .greg dump into .greg and .postreload.
1982 2000-10-30 Neil Booth <neilb@earthling.net>
1984 * cppfiles.c (stack_include_file): Check for stacked contexts
1986 * cpphash.h (_cpp_do__Pragma): New prototype.
1987 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
1989 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
1990 escaped newlines if !(buffer->from_stage3).
1991 (_cpp_lex_token): Warn about missing newlines iff
1992 !buffer->from_stage3.
1994 * cpplib.c (get__Pragma_string, destringize,
1995 _cpp_do__Pragma): New functions.
1996 (run_directive): Set output_line for _Pragma to avoid line
1997 markers in output. Set from_stage3 and prevent macro expansion
1998 for _Pragma and command-line options. Check buffer exhaustion.
1999 (cpp_push_buffer): Don't check for stacked macro contexts, as
2000 this is perfectly legitimate for _Pragma. Move the check to
2001 stack_include_file instead. Set from_stage3 iff buffer is
2004 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
2005 unsigned. New boolean from_stage3.
2006 (struct spec_nodes): Add n__Pragma.
2008 * cppmacro.c (enter_macro_context): Flip sense of return value.
2009 (_cpp_get_token): Handle _Pragma operator.
2011 2000-10-30 Phil Edwards <pme@sources.redhat.com>
2013 * gcc.texi: The C++ standard isn't "draft" anymore.
2015 2000-10-30 Mark Mitchell <mark@codesourcery.com>
2017 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
2019 2000-10-29 Neil Booth <neilb@earthling.net>
2021 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
2023 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
2025 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
2026 fixinc/inclhack.def: Change comments mentioning C9X to refer to
2029 * invoke.texi: Document that -V will only work for very similar
2030 versions of driver and compiler.
2032 2000-10-29 Neil Booth <neilb@earthling.net>
2034 * cppmacro.c (_cpp_create_definition): Optimize the case of
2035 a macro defined to itself.
2037 2000-10-29 Neil Booth <neilb@earthling.net>
2039 * cpplex.c (save_comment): Don't store new lines in C++ comments.
2041 2000-10-29 Michael Hayes <mhayes@redhat.com>
2043 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
2045 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
2047 * cpphash.c (cpp_forall_identifiers): Add context variable
2048 for callback routine.
2049 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
2051 (main): Call cpp_forall_identifiers with null context.
2052 * cpplib.h (cpp_forall_identifiers): Update prototype.
2054 * cppmain.c: Make `parse_in' and `print' static.
2056 2000-10-28 Alan Modra <alan@linuxcare.com.au>
2058 * c-decl.c (finish_function): Clear c_function_name_declared_p.
2060 2000-10-28 Richard Henderson <rth@redhat.com>
2062 * regrename.c (scan_rtx_address): Frob action, not class,
2063 when trying to disable optimization.
2065 2000-10-28 Mark Mitchell <mark@codesourcery.com>
2067 * c-semantics.c (make_rtl_for_local_static): Don't clobber
2068 DECL_ASSEMBLER_NAME.
2070 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
2072 * configure.in: Determine and substitute gcc_version_full.
2073 * configure: Regenerate.
2074 * gccbug.in: Use it to give full version. Don't allow
2077 2000-10-28 Richard Henderson <rth@redhat.com>
2079 * recog.c (split_all_insns): Run cleanup_subreg_operands
2082 * regrename.c (regrename_optimize): Verify that all registers of
2083 a multiple register mode are available.
2084 (scan_rtx_address): Accept the mode of the address; all callers
2087 * cpplib.c (run_directive): Fix prototype.
2089 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
2091 * reload.c (find_reloads): Distinguish "wins" so that we know whether
2092 a given operand won because of a matching constraint or not; then use
2093 that information to compute goal_alternative_matched properly.
2094 * reload1.c (choose_reload_regs): Never set reload_override_in for an
2097 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
2098 accurate value for MULT.
2099 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
2100 2% or > 98% before using static branch prediction bits.
2102 2000-10-28 Neil Booth <neilb@earthling.net>
2106 * cpplib.c (struct answer): New.
2107 (struct if_stack): Use cpp_lexer_pos rather than line and col.
2108 Rename cmacro mi_cmacro.
2109 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
2110 IN_I): New directive and flags.
2111 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
2112 parse_answer, parse_assertion, find_answer): New functions.
2113 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
2114 (lex_macro_node): New function to replace parse_ifdef and
2117 (_cpp_handle_directive): New function, combines _cpp_check_directive
2118 and _cpp_check_linemarker.
2120 (do_define, do_undef, parse_include, do_include, do_import,
2121 do_include_next, read_line_number, do_line, do_ident, do_pragma,
2122 do_pragma_once, do_pragma_poison, do_pragma_dependency):
2123 Update for new token getting interface.
2125 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
2126 : Update for new multiple-include optimisation technique.
2127 (do_elif): Don't forget to invalidate controlling macros.
2129 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
2130 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
2131 Functions to handle assertions with the new token interface.
2132 (do_assert, do_unassert): Use them.
2134 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
2137 (_cpp_init_stacks): Register directive names. Don't register special
2140 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
2141 new position recording regime.
2142 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2143 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
2144 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
2145 (cpp_type2name): Move to cpplex.c.
2147 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
2148 (parse_defined): Update to handle new multiple include optimisation
2149 method. Remove poisoned identifier warning.
2150 (parse_assertion, TYPE_NAME): Delete.
2151 (lex): Update for multiple include optimisation, removal of
2152 CPP_DEFINED, to use _cpp_test_assertion for assertions and
2154 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
2155 (op_as_text): New function, to wrap cpp_token_as_text.
2157 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
2158 Update for MI optimisation.
2159 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
2160 segfault on diagnostic.
2161 (_cpp_compare_file_date): Take a token rather than 3 args.
2162 (cpp_read_file): Work correctly for zero-length files.
2164 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2165 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2166 (cpp_lookup): Place identifiers at front of identifier pool
2167 for _cpp_lookup_with_hash.
2168 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2169 the identifier pool. Commit the memory if not already in the
2172 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2173 Initialise various members of cpp_reader, memory pools, and the
2175 (cpp_printer_init): Delete.
2176 (cpp_cleanup): Update.
2177 (struct builtin, builtin_array, initialize_builtins): Update for new
2178 hashnode definition and builtin handling.
2179 (cpp_start_read, cpp_finish): Don't take or initialise a
2182 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
2183 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
2184 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
2185 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
2186 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
2187 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
2188 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
2189 struct toklist, struct cpp_context, struct specnodes,
2190 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
2191 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
2192 enum builtin_type, cpp_can_paste): New.
2193 (struct cpp_token): Delete line and col members.
2194 (struct cpp_buffer): New member output_lineno.
2195 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
2196 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
2197 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
2198 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
2199 base_context, context, directive, mi_state, mi_if_not_defined,
2200 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
2201 mlstring_pos, macro_buffer, macro_buffer_len.
2202 Delete members mls_line, mls_column, token_list, potential_control_macro,
2203 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
2204 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
2205 save_parameter_spellings, need_newline, .
2206 Change type of date, time and spec_nodes members.
2207 Change prototypes for include and ident callbacks.
2208 (struct cpp_hashnode): Change type of name. Remove union members
2209 expansion and code. Add members macro, operator and builtin.
2211 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
2212 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
2213 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
2214 cpp_stop_lookahead): New prototypes.
2215 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
2217 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
2218 Move from cpphash.h.
2220 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
2221 ufputs): Move to cpplib.h.
2222 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
2223 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
2224 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
2225 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
2226 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
2227 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
2228 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
2229 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
2230 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
2231 _cpp_parse_assertion, _cpp_find_answer): Delete.
2232 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
2233 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
2234 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
2235 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
2236 _cpp_handle_directive, DSC): New.
2237 (struct include_file): New member defined.
2239 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
2240 _cpp_compare_file_date): Update.
2241 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
2242 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
2243 _cpp_cleanup_hashtable.
2245 * Makefile.in: Remove cppoutput.c.
2247 * cppoutput.c: Delete
2249 * fixheader.c (read_scan_file): Update for new cpp_get_token
2251 (recognized_function): New argument LINE.
2253 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
2254 new cpp_get_token prototype.
2256 * scan.h (recognized_function): Update prototype.
2258 * po/POTFILES.in: Remove cppoutput.c.
2260 2000-10-27 Mark Mitchell <mark@codesourcery.com>
2262 * c-typeck.c (check_init_type_bitfields): Remove.
2263 (constructor_incremental): Likewise.
2264 (struct constructor_stack): Remove incremental bit.
2265 (struct initializer_stack): Likewise.
2266 (start_init): Don't play with constructor_incremental.
2267 (finish_init): Likewise.
2268 (really_start_incremental_init): Likewise.
2269 (push_init_level): Likewise.
2270 (pop_init_level): Likewise.
2271 (output_init_level): Likewise.
2272 (output_pending_init_elements): Likewise.
2274 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
2276 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
2277 Improve error messages. Correct parsing of
2278 #pragma pack(pop [,id]). Do not check the user-supplied
2279 alignment if we're popping.
2281 * gcc.dg/pack-test-1.c: New test case.
2282 * gcc.dg/pack-test-2.c: New test case.
2283 * gcc.dg/pack-test-1.h: New file.
2285 2000-10-27 Neil Booth <neilb@earthling.net>
2289 2000-10-27 Kelley Cook <kelley.cook@home.com>
2291 * invoke.texi: Document -mintel-syntax
2293 2000-10-27 Richard Henderson <rth@redhat.com>
2295 * invoke.texi: Document -frename-registers. Add it to -O3.
2296 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
2297 (enum dump_file_index, dump_file): Update order.
2298 (main): Set flag_rename_registers at -O3.
2300 2000-10-27 Richard Henderson <rth@redhat.com>
2302 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
2303 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
2304 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
2305 * config/alpha/alpha.md (call_osf_1): Use it.
2306 (call_value_osf_1): Likewise.
2308 * config/ia64/ia64.c: Revert 10-23 patch.
2309 (ia64_hard_regno_rename_ok): New.
2310 * config/ia64/ia64-protos.h: Declare it.
2311 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
2313 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
2314 Richard Henderson <rth@redhat.com>
2316 * regrename.c: Rewrite to handle multi-register modes and
2317 cond_exec instructions.
2318 * Makefile.in (regrename.o): Update dependancies.
2319 * recog.h (struct operand_alternative): Add is_address.
2320 * recog.c (preprocess_constraints) [case 'p']: Set it.
2322 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
2324 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
2325 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
2326 top level. Kill oldstyle_subdirs. Do not include
2327 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
2328 $outputs. Do not run configure.lang from config.status.
2329 Rearrange warning-flag logic to correspond to what the
2330 makefile wants. Put special vax stage1 options in
2331 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
2332 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
2333 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
2334 switch is given, nothing otherwise.
2335 * configure.lang: Delete.
2337 * Makefile.in: Expunge all traces of extra_c_objs,
2338 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
2339 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
2340 warning options via a three level scheme so that -pedantic and
2341 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
2342 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
2343 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
2344 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
2345 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
2346 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
2347 generation rules. Wrap all rules that change the current
2348 directory in parentheses; pmake doesn't spawn a new shell for
2349 each command. Expunge all references to $(P). When one
2350 command depends on another and they're run all at once, use &&
2351 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
2352 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
2355 * objc/Make-lang.in: Wrap all rules that change the current
2356 directory in parentheses. Expunge all references to $(P).
2357 When one command depends on another and they're run all at
2358 once, use && to separate them, not ;. Add OUTPUT_OPTION to
2359 all object-file generation rules. Delete obsolete variables.
2360 * objc/Makefile.in: Delete.
2362 2000-10-27 Jakub Jelinek <jakub@redhat.com>
2364 * calls.c (expand_call): If sibcall_failure is set during pass 1,
2365 clear tail_call_insns as well.
2367 2000-10-27 Nick Clifton <nickc@redhat.com>
2369 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
2372 2000-10-26 Richard Henderson <rth@redhat.com>
2374 * calls.c (expand_call): Supress sibcall if we have a
2375 BLKmode return in registers.
2377 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
2379 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
2382 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
2384 * tree.c (make_node, case 't'): Set alignment to that of
2386 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
2388 2000-10-25 Mark Mitchell <mark@codesourcery.com>
2390 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
2391 * configure.in (enable-libstdcxx-v3): Arrange to have
2392 HAVE_LIBSTDCXX_V3 substituted into the output files.
2394 2000-10-25 Richard Henderson <rth@redhat.com>
2396 * recog.c (constrain_operands): Initialize which_alternative
2397 before no alternatives early exit.
2399 * cse.c (find_comparison_args): Check that we can reverse a
2400 comparison if needed before accepting the substitution.
2402 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
2404 * simplify-rtx.c (simplify_relational_operation): Sign extend
2405 low words before sign extending to high words.
2407 2000-10-25 Nick Clifton <nickc@redhat.com>
2409 * config/mcore/mcore.c: Include config.h before system.h.
2411 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
2413 * config/mcore/mcore.md (return): Force function epilogue to
2414 always be generated to work around epilogue suppression bug in
2417 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
2419 * c-decl.c (grokdeclarator): Move warning for qualified void
2420 return types with -pedantic to when the function type is
2421 constructed. At -W, warn in general for qualified function return
2422 types, except for volatile void.
2423 * invoke.texi: Document this new warning at -W.
2425 2000-10-25 Neil Booth <neilb@earthling.net>
2427 * cpp.texi: Update with implementation-defined behavior and
2430 2000-10-25 Jakub Jelinek <jakub@redhat.com>
2432 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
2433 incomplete type force it into alias set 0.
2435 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
2437 * alias.c: Include basic-block.h.
2438 (loop_p): New function.
2439 (mark_constant_function): Use it.
2440 * Makefile.in (alias.o): Update dependencies.
2442 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2444 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
2447 2000-10-24 Jim Wilson <wilson@cygnus.com>
2449 * expmed.c (store_bit_field): Move integer pun code down after
2450 code that calls emit_move_insn for entire register move.
2451 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
2452 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
2454 2000-10-24 Richard Henderson <rth@cygnus.com>
2456 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
2457 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
2459 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2461 * gcse.c (cprop_insn): do not propagate constants into jump_insn
2462 for machines with CC0 more than once.
2464 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
2466 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
2467 pseudos just like memory.
2469 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
2471 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
2472 when deleting libcall sequence collapsed to a single instruction.
2474 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
2476 * expr.c (do_store_flag): Don't crash if either side of a
2477 comparison is error_mark_node.
2479 2000-10-24 Jakub Jelinek <jakub@redhat.com>
2481 * sibcall.c (purge_mem_unchanging_flag): New function.
2482 (optimize_sibling_and_tail_recursive_calls): Call it.
2484 2000-10-24 Philipp Thomas <pthomas@suse.de>
2486 * Makefile.in (check-po): New target for doing checks in the po
2487 subdir if all languages configured.
2488 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
2489 configure if NLS is enabled.
2490 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
2491 otherwise leave empty.
2492 * configure: Regenerate.
2494 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2496 * i386.c (print_operand): Handle new 'A' formatting code.
2497 387 opcodes need suffixes even with -mintel-syntax.
2498 Check for explicit size override (codes 'b', 'w' and 'k').
2499 (print_operand_address): Check if register prefix is needed when
2500 emitting `ds' segment override.
2501 * i386.h: Add comment about new 'A' formatting code.
2502 * i386.md (jump and call patterns): Emit absolute references using %A.
2504 2000-10-23 Richard Henderson <rth@cygnus.com>
2506 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
2507 output registers as fixed.
2508 (ia64_function_epilogue): Undo output fixation.
2510 2000-10-23 Richard Henderson <rth@cygnus.com>
2512 * config/alpha/alpha.md: Add names for all unnamed insns; use
2513 define_insn_and_split in some obvious places.
2515 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
2516 (zero_extendqisi2, zero_extendqidi2): Likewise.
2517 (zero_extendhisi2, zero_extendhidi2): Likewise.
2518 (abs splitters): Fix match_scratch operand number.
2519 (bcc_reverse): Swap pc & label instead of non-canonical compare.
2521 2000-10-23 Jim Wilson <wilson@cygnus.com>
2523 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
2525 * ia64.md (cmpsi_adjusted): Use %r3.
2526 (cmpdi_adjusted): Likewise.
2528 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2530 * config/i386/att.h (ASM_FILE_START): Define.
2532 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2534 * config/i386/linux.h (ASM_FILE_START): Define.
2536 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
2538 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
2539 since this (only) drags in a crt0.o reference that the .ld files
2542 2000-10-23 Geoff Keating <geoffk@cygnus.com>
2544 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
2545 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
2546 reloads just like an RELOAD_FOR_OUTPUT would.
2548 * local-alloc.c (update_equiv_regs): Add an abort(). When
2549 deleting or moving insns, update reg_equiv[regno].init_insns.
2551 2000-10-23 Mark Mitchell <mark@codesourcery.com>
2553 * c-tree.texi: Improve documentation for IF_STMTs and related
2554 conditional statements.
2556 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2558 * expr.c (do_preexpand_calls): Remove.
2559 (same_from_p): Don't use CALL_EXPR_RTL.
2560 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
2561 (preexpand_calls): Remove.
2562 * tree.c (first_rtl_op): Remove CALL_EXPR case.
2563 (unsave_expr_1): Likewise.
2564 * tree.def (CALL_EXPR): Give it only two slots.
2565 * tree.h (CALL_EXPR_RTL): Remove.
2567 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
2569 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
2570 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2573 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
2575 * calls.c (combine_pending_stack_adjustment_and_call): Don't
2576 adjust stack when unadjusted_alignment ends up as zero.
2578 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
2580 * fixinc/genfixes: Remove EGCS reference.
2581 * install.texi: Remove EGCS reference.
2582 * INSTALL: Regenerate.
2584 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2586 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
2588 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
2590 * diagnostic.c: Remove EGCS reference in comment.
2592 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2594 * loop.c (strength_reduce): Fix error in last change.
2596 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2598 * Makefile.in (SHLIB_NM_FLAGS): New.
2599 (libgcc.mk): Pass it.
2600 * mklibgcc.in (libgcc.map): Use it.
2602 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
2603 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
2605 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2607 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
2609 * sparc.c (load_pic_register): Delete unused varaible.
2611 * libgcc2.c (__addvsi3): Delete unused variable.
2613 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
2614 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
2615 __negvdi2): Prototype.
2617 * ssa.c (apply_delayed_renames): Avoid undefined operation.
2619 * toplev.c (display_target_options): Make static to match
2620 prototype. Delete empty declaration.
2622 2000-10-20 Tom Tromey <tromey@cygnus.com>
2624 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2625 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2627 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2629 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
2631 (expand_expr_unaligned, case ARRAY_REF): Check that index is
2632 a constant before comparing it; use tree_low_cst.
2633 * tree.c (save_expr): Set TREE_READONLY.
2634 (substitute_expr): Return inside of NON_LVALUE_EXPR.
2635 (build, build1): Set TREE_READONLY if all operands are.
2636 (build_index_type): If upper bound is a negative number, lower
2637 bound is zero and sizetype is unsigned, use upper bound of one and
2640 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2642 * gcc.c (process_command, main): Use "because" instead of
2643 "since" in error messages.
2645 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2647 * stor-layout.c (compute_record_mode): Use tree_low_cst.
2648 Don't use mode of field for record unless sizes are the same.
2649 (layout_type, case ARRAY_TYPE): Remove special bounds handling
2650 previously added for Ada; also change to using host_integerp
2653 * loop.c (strength_reduce): Show when new register made for
2654 giv is known to be a pointer and its aligment if so and known.
2655 (loop_dump_aux): Show VERBOSE parameter unused.
2657 * gcse.c (set_hash_table_size): Now unsigned.
2658 * sdbout.c (template_name_p): Add "const" to avoid warnings.
2659 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
2660 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
2661 (sdbout_end_epilogue): Remove variable NAME.
2662 * system.h (getopt): Add default definition.
2663 * config/alpha/alpha.c (print_operand): Don't continue processing
2664 after issuing error.
2665 (summarize_insn): Avoid use of UL in constant.
2667 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
2669 * fold-const.c (force_fit_type): Unsigned values can overflow
2670 if they are sizetype.
2671 (int_const_binop): Don't use cache if overflows.
2673 2000-10-20 Richard Henderson <rth@cygnus.com>
2675 * function.c (locate_and_pad_parm): Zero alignment_pad.
2677 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
2678 perform substitutions, and apply_change_group to see if it worked.
2680 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2682 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
2684 * combine.c (struct undo): Change int to unsigned int.
2685 (do_SUBST_INT): Args are unsigned int.
2686 (make_extraction, force_to_mode): Use proper type when forming mask.
2687 (make_field_assignment): Likewise.
2689 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
2691 * c-common.c (check_format_info_recurse): Extract string constant
2692 initializers from non-volatile constant arrays and check them as
2694 * c-typeck.c (decl_constant_value): Don't check pedantic or check
2695 for DECL_MODE (decl) != BLKmode.
2696 (decl_constant_value_for_broken_optimization): New function which
2697 includes these checks.
2698 (default_conversion, convert_for_assignment, digest_init): Use
2699 decl_constant_value_for_broken_optimization instead of
2700 decl_constant_value.
2702 2000-10-20 Mark Mitchell <mark@codesourcery.com>
2704 * tree.h (DECL_ALIGN_UNIT): New macro.
2706 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
2708 * config/avr/avr-protos.h (avr_output_bld): New.
2709 (out_shift_with_cnt): Add t_len argument.
2710 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
2711 (output_movqi, output_movhi, output_movsisf): Optimize loading
2712 any constant with exactly one bit set to NO_LD_REGS.
2713 (out_shift_with_cnt): Optimize output code for size or speed,
2714 depending on optimize_size. Handle small shift counts as well
2715 (if not hand-optimized in ?sh??i3_out). Shifts can be done
2716 with or without a scratch register, with help of __tmp_reg__
2717 or __zero_reg__ if necessary. Add T_LEN argument to pass the
2718 length of TEMPLATE in words, return total insn length in *LEN.
2719 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
2720 out_shift_with_cnt to work with the above change.
2721 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
2722 lshrsi3_out): Likewise. Optimize more known shift count cases.
2723 Remove cases already well optimized in out_shift_with_cnt.
2724 (avr_output_bld): New function.
2725 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
2726 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
2727 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
2728 Add reload_completed to insn condition - only for peepholes.
2729 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
2730 in a register or memory.
2731 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
2732 Do not require a scratch register.
2733 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
2734 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
2735 Optimize shifts by known count using a scratch register, but only
2736 if one is still available after register allocation.
2738 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2740 * t-vax: New file. Don't build modules from libgcc1.c.
2742 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
2744 * alias.c: (mark_constant_function): Don't check pure functions.
2745 Initialize and end alias analysis.
2746 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
2747 Don't make a special exception for recursion. Handle
2748 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
2749 unless it's volatile.
2751 * local-alloc.c (equivalence): New structure.
2752 (reg_equiv): Define.
2753 (contains_replace_regs): Remove array and use
2755 (memref_referenced_p): Likewise.
2756 (no_equiv): Likewise.
2757 (update_equiv_regs): Likewise.
2759 (equiv_init_varies_p,
2760 equiv_init_movable_p): New functions.
2761 (update_equiv_regs): Use them. Use rtx_varies_p
2762 instead of function_invariant_p. Process insns
2763 from end to beginning. Allow a REG_EQUIV insn
2764 within the same loop as a use to be moved, also
2765 allow it to be moved out of a loop. Update
2766 REG_DEAD notes when substituting into an insn.
2768 2000-10-19 Jim Wilson <wilson@cygnus.com>
2770 * c-decl.c (start_decl): Check for error_mark_node type before using
2772 (finish_decl): Likewise. Don't give an error if decl type is
2773 already error_mark_node.
2775 * haifa-sched.c (compute_trg_info): Add explanatory comments.
2776 New local update_blocks. Use update_blocks to remove duplicates
2777 when computing update blocks. Check for bblst_table overflow.
2778 (schedule_block): Add explanatory comment. Reduce bblst_size by
2780 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
2783 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2785 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
2787 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2789 * expmed.c: Minor corrections in comments.
2790 * invoke.texi: Added desciption for the new option -ftrapv.
2792 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2794 * libgcc2.c: Added the missing #endif.
2796 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2798 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
2800 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
2802 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
2803 Use smulv_optab for -ftrapv.
2804 (expand_mult_highpart): Use unsigned multiply.
2805 (expand_divmod): Special-case division by -1.
2806 For EXACT_DIV_EXPR, do right shift first, then the multiply.
2807 For complex divide, use abs with unsigned result.
2808 * expr.c (force_operand): Use unsigned multiply.
2809 (expand_expr): Use overflow-trapping optabs for signed types if
2811 If flag_trapv, don't generate a recursive call with EXPAND_SUM
2812 if the type is signed and the original call wasn't EXPAND_SUM or
2814 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
2815 (negv_optab, absv_optab): Declare.
2816 * flags.h (flag_trapv): Declare.
2817 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
2818 smulv_optab, sdivv_optab, negv_optab and absv_optab.
2819 (gen_insn): Interpret '$P' as requiring an integer mode,
2820 including partial integer modes.
2821 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
2822 (product_cheap_p): Use unsigned expand_mult.
2823 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
2824 (negv_optab, absv_optab): Define.
2825 (expand_binop): Use overflow-trapping optabs for signed types if
2827 Handle negv_optab libe neg_optab.
2828 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
2829 Use overflow-trapping optabs for signed result if flag_trapv.
2830 (expand_complex_abs): Use overflow-trapping optabs for signed types if
2832 Don't open-code complex absolute-value operation for flag_trapv.
2833 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
2834 sdivv_optab, negv_optab and absv_optab.
2835 * toplev.c (flag_trapv): Define.
2836 (lang_independent_options f_options): Include flag_trapv.
2837 * tree.h (TYPE_TRAP_SIGNED): Define.
2838 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
2839 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2841 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
2842 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
2844 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
2845 David V. Henkel-Wallace <gumby@cygnus.com>
2847 * config/i386/t-netware: Bring in from the Red Hat tree.
2848 * config/i386/netware.h: Likewise.
2849 * config/netware.h: Likewise.
2850 * config/rs6000/netware.h: Delete.
2851 * configure.in: Add i[34567]86-*-netware.
2852 * configure: Hand-edit to match configure.in change.
2854 2000-10-18 Mark Mitchell <mark@codesourcery.com>
2856 * c-common.h (flag_no_builtin): Declare.
2857 (flag_no_nonansi_builtin): Likewise.
2858 (c_common_nodes_and_builtins): Change prototype.
2859 * c-common.c (flag_no_builtin): New variable.
2860 (flag_no_nonansi_builtin): Likewise.
2861 (c_common_nodes_and_builtins): Remove parameters. Adjust
2863 * c-decl.c (flag_no_builtin): Remove.
2864 (flag_no_nonansi_builtin): Likewise.
2865 (init_decl_processing): Adjust call to
2866 c_common_nodes_and_builtins.
2868 2000-10-18 Marc Espie <espie@openbsd.org>
2870 * tm.texi (LIBGCC_SPEC): Synch with reality.
2872 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2874 * c-common.c (check_format_types): Check for writing through a
2875 NULL pointer argument.
2877 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
2879 * tm.texi (Exception Region Output): Document
2880 DWARF_CIE_DATA_ALIGNMENT.
2881 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
2883 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
2884 DWARF_CIE_DATA_ALIGNMENT.
2886 2000-10-18 Michael Hayes <mhayes@cygnus.com>
2888 * basic-block.h (struct loop): Delete fields pre_header_root
2889 and pre_header_trace and replace with pre_header_edges
2890 and num_pre_header_edges.
2891 * flow.c (flow_loop_dump): Dump pre_header_edges.
2892 (flow_loops_free): Free pre_header_edges.
2893 (flow_loop_pre_header_scan): Calculate pre_header_edges.
2895 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2897 * contrib.texi: Update references to steering committee members
2898 and Jeff Law's entry.
2900 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2902 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
2903 (maybe_read_dollar_number, check_format_info_main): Use them for
2904 pedantic warning messages.
2906 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2908 * c-common.c (check_format_info_main): Minor cleanup: move
2909 variables into inner scopes; initialize declarations where
2910 appropriate; don't hardcode "scanf" name on warning for zero
2913 2000-10-17 Mark Mitchell <mark@codesourcery.com>
2915 * c-common.c (back_end_hook): New variable.
2916 * c-common.h (back_end_hook): Declare it.
2917 * c-lang.c (finish_file): Use it.
2919 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
2922 2000-10-18 Jan Hubicka <jh@suse.cz>
2924 * i386.c (ix86_comparison_operator, put_condition_code,
2925 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
2926 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
2927 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
2928 * i386.md (adddi and negdi splitter): Use CCRCmode.
2929 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
2930 (subsi3_carry): add '*'
2931 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
2932 (cmp to add peep2): Use CCRCmode; swap operands.
2934 2000-10-18 Kazu Hirata <kazu@hxi.com>
2936 * h8300.c: Fix a comment typo.
2937 (round_frame_size): New.
2938 (compute_saved_regs): Likewise.
2941 (push_order): Remove.
2942 (pop_order): Likewise.
2943 (function_prologue): Rearrange code for readability.
2944 (function_epilogue): Likewise.
2946 * config/h8300/h8300.md: Remove an unnecessary sign_extend
2947 expander that is used when not optimizing. Output a tab after
2948 each assembly insns.
2950 * reorg.c: Fix formatting.
2952 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
2954 * reload1.c (move2add_note_store): Check for simple
2955 auto-inc in destination.
2957 2000-10-17 Michael Chastain <chastain@redhat.com>
2959 * config/i386/i386-aout.h: define INT_ASM_OP.
2961 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
2963 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
2965 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
2967 * i370.md: Fix spelling typo.
2969 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2971 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
2972 Fixes execute/20001017-1.c on powerpc-linux-gnu.
2974 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
2975 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
2978 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
2979 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
2981 * rs6000/aix.h: ...to here.
2982 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
2984 2000-10-17 Jakub Jelinek <jakub@redhat.com>
2986 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
2988 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
2989 sure linker can relax even the delay slot mov %g1,%o7, fix output
2992 2000-10-17 Kazu Hirata <kazu@hxi.com>
2994 * config/h8300/h8300.md: Remove an unnecessary zero_extend
2995 expander that is used when not optimizing. Output a tab after
2996 each assembly insns.
2998 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
3000 * gcc.c: New options --target-help.
3001 (process_command): Added code to parse this new option.
3002 * toplev.c (display_target_options): New function to support the
3004 * cppinit.c (new_pending_directive) : New option OPT_target__help.
3005 (cpp_handle_option): Support this new option.
3006 * invoke.texi: Added notes about --target-help option.
3008 2000-10-17 Graham Stott <grahams@redhat.com>
3010 * config/i386/i386.md (testqi_1): Add missing operand prefix
3012 * config/i386/i386-protos.h: Add missing prototype.
3014 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
3016 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
3017 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
3018 using -mintel-syntax.
3020 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3022 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
3023 (format_types): Use it for printf.
3024 (maybe_read_dollar_number): Add parameter for the kind of format
3025 involved. Warn for multiple use for arguments if this is
3026 inappropriate for the kind of format involved.
3027 (check_format_info_main): Update calls to maybe_read_dollar_number.
3029 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3031 * inclhack.def (hpux_maxint): Also apply fix to values.h.
3032 * fixincl.x: Rebuilt.
3034 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
3036 * genrecog.c (write_switch): Return the first condition that needs a
3039 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
3041 * c-tree.h (warn_sequence_point): Move declaration to...
3042 * c-common.h (warn_sequence_point): ... here.
3043 * c-decl.c (warn_sequence_point): Move definition to...
3044 * c-common.c (warn_sequence_point): ... here.
3045 (struct reverse_tree): New.
3046 (reverse_list, reverse_max_depth): New static variables.
3047 (build_reverse_tree, common_ancestor, modify_ok
3048 verify_sequence_points): New functions.
3049 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
3050 * c-typeck.c (check_modify_expr): Delete.
3051 (build_modify_expr): Don't call it.
3053 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3055 * c-common.h (warn_missing_format_attribute): New variable.
3056 * c-decl.c (warn_missing_format_attribute): New variable.
3057 (c_decode_option): Decode -Wmissing-format-attribute and
3058 -Wno-missing-format-attribute.
3059 * c-common.c (check_function_format): If
3060 -Wmissing-format-attribute, give a warning where a vprintf or
3061 vscanf function is called by a function without its own printf or
3063 * toplev.c (documented_lang_options): Add
3064 -Wmissing-format-attribute.
3065 * invoke.texi: Document -Wmissing-format-attribute.
3067 2000-10-17 Marc Espie <espie@openbsd.org>
3069 * invoke.texi (-shared): Insist on requiring code generation flags
3070 to be used along with -shared, and document the subtle failure that
3071 may occur otherwise.
3073 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3075 * pa.md (return_internal): Move `use' after `return'.
3077 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3079 * machmode.def: Correct comment.
3081 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
3083 * print-rtl.c (print_rtx_head): Constify.
3084 * rtl.h (print_rtx_head): Similarly.
3086 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
3087 Constify char * return value.
3089 (output_64bit_and, output_64bit_ior): Constify char * return value.
3090 (pa_can_combine_p): Make static.
3091 (function_arg): Decorate unused `named' argument. Fix comment typo.
3092 (function_arg_partial_nregs): Decorate unused `named' argument.
3094 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
3096 * c-common.c (format_check_results): New structure.
3097 (finish_dollar_format_checking): Adjust to take a
3098 format_check_results * parameter.
3099 (check_format_info, check_format_info_recurse,
3100 check_format_info_main): Split check_format_info into three
3101 functions, the main checking going in check_format_info_main.
3102 Recurse when any reduction of the format string argument towards a
3103 string literal is done; go down both branches of a conditional
3104 expression. Don't warn for extra format arguments or empty format
3105 strings if they only occur in some branches of a conditional
3108 2000-10-16 Kazu Hirata <kazu@hxi.com>
3110 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
3112 2000-10-16 Jakub Jelinek <jakub@redhat.com>
3114 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
3116 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
3118 * i386.md (*movsi_or): Switch operand order for intel syntax.
3120 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
3124 * gcc.texi (Contributing): Update.
3126 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
3128 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
3129 appropriate assembler dialect.
3131 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
3133 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
3135 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
3137 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
3138 constants 1 and 2 to NO_LD_REGS.
3140 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3142 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
3144 * objc/Make-lang.in (objc-parse.c): Likewise.
3146 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3148 * arm.c: Include obstack.h
3149 (minipool_obstack, minipool_startobj): Define.
3150 (arm_add_gc_roots): Initialize them.
3151 (create_fix_barrier): Use our new obstack.
3152 (push_minipool_barrier, push_minipool_fix): Likewise.
3153 (arm_reorg): Release obstack memory.
3155 2000-10-13 Jakub Jelinek <jakub@redhat.com>
3157 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
3158 (prologue, exception_receiver, builtin_setjmp_receiver): New
3160 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
3161 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3162 (load_pic_register): New prototype.
3163 * config/sparc/sparc.c (pic_setup_code): Remove.
3164 (finalize_pic): Rename to...
3165 (load_pic_register): ...this function.
3166 Don't look for nonlocal_goto_receivers and emit pic setup code
3167 directly. Don't check current_function_uses_pic_offset_table.
3169 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3171 * tree.h (struct obstack): Declare.
3173 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3176 * Makefile.in (ggc-callbacks.o): Remove target.
3177 (flow.o): Depend on GGC_H.
3178 * alias.c (init_alias_analysis):
3179 Remove ggc_p conditionals.
3180 (end_alias_analysis): Likewise.
3181 * basic-block.h (init_flow): New function.
3182 (allocate_reg_life_data): Declare.
3183 * bb-reorder.c (function_obstack): Replace with ...
3184 (flow_obstack): ... new variable.
3185 (fixup_reorder_chain): Use it.
3186 * c-decl.c (ggc_p): Remove.
3187 (caller-save.c): Don't call oballoc/obfree.
3189 undobuf): Remove storage.
3190 (try_combine): Don't call oballoc.
3191 (undo_all): Don't call obfree.
3192 * cse.c (insert): Use xmalloc, not
3194 (cse_main): Adjust accordingly.
3195 * dwarf2out.c (save_rtx): Remove
3197 (dwarf2out_init): Remove ggc_p conditionals.
3198 * emit-rtl.c (rtl_obstack): Remove.
3199 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
3200 (make_insn_raw): Likewise.
3201 (emit_insn_before): Likewise.
3202 (emit_insn_after): Likewise.
3203 (emit_insn): Likewise.
3204 (gen_sequence): Likewise.
3205 (copy_insn_1): Remove handling of `b' RTL components.
3206 (init_emit_once): Remove ggc_p conditionals.
3207 * except.c (create_rethrow_ref): Don't fool with obstacks.
3208 (add_partial_entry): Likewise.
3209 (call_get_eh_context): Likewise.
3210 (begin_protect_partials): Likewise.
3211 (protect_with_terminate): Likewise.
3213 (plus_constant_wide): Likewise.
3214 * expr.c (init_expr_once):
3216 (emit_block_move): Likewise.
3217 (clear_storage): Likewise.
3218 (expand_expr): Likewise.
3219 * flow.c (function_obstack): Remove.
3220 (flow_obstack): New variable.
3221 (flow_firstobj): Likewise.
3222 (create_base_block): Use the flow_obstack.
3223 (split_block): Likewise.
3224 (split_edge): Likewise.
3225 (calculate_global_regs_live): Likewise.
3226 (allocate_bb_life_data): Make it static. Likewiwse.
3227 (init_flow): New function.
3228 (size_int_type_wide): Remove ggc_p conditionals.
3230 (push_function_context_to): Don't call save_tree_status.
3231 (pop_function_context_from): Or restore_tree_status.
3232 (assign_stack_local_1): Don't call push_obstacks.
3233 (find_fixup_replacement): Use xmalloc.
3234 (fixup_var_refs_insns): Free the storage.
3235 (insns_for_mem_walk): Don't mess with obstacks.
3236 (instantiate_decls): Likewise.
3237 (trampoline_address): Likewise.
3238 (expand_function_end): Likewise.
3239 * function.h (sturct function):
3240 Remove obstack-related variables.
3241 (save_tree_status): Don't declare.
3242 (restore_tree_status): Likewise.
3243 * gcse.c (compute_can_copy):
3244 Don't call oballoc/obfree.
3245 * genattrtab.c (operate_exp): Remove
3247 (simplify_cond): Likewise.
3248 (simplify_test_exp): Don't mess with obstacks.
3249 (optimize_attrs): Likewise.
3250 * gengenrtl.c (gendef): Don't include
3252 * ggc-callbacks.c (ggc_p): Remove.
3253 * ggc-none.c (ggc_p): Remove.
3254 * ggc.h (ggc_p): Don't declare.
3255 * integrate.c (save_for_inline): Don't mess with obstacks.
3256 (integrate_decl_tree): Likewise.
3257 (output_inline_function): Likewise.
3259 (init_EXPR_INSN_LIST_cache): Likewise.
3260 * loop.c (temp_obstack):
3262 (rtl_obstack): Likewise.
3263 (init_loop): Don't mess with obstacks.
3264 (reg_address_cost): Free BIVs and GIVs.
3265 (check_insns_for_bivs): Use xmalloc, not oballoc.
3266 (find_mem_givs): Likewise.
3267 (record_biv): Likewise.
3268 (general_induction_var): Likewise.
3269 (product_cheap_p): Likewse.
3270 * optabs.c (init_one_libfunc): Remove
3272 * print-tree.c (debug_tree): Don't use
3274 (print_node): Likewise.
3275 * profile.c (output_func_start_profiler):
3276 Remove call to temporary_allocation.
3278 (eliminate_regs_in_insn): Don't mess with obstacks.
3280 (mark_target_live_regs): Use xmalloc.
3281 (free_resource_info): Free the memory.
3282 * rtl.c (rtl_obstack):
3284 (rtvec_alloc): Don't mess with obstacks.
3285 (rtx_alloc): Likewise.
3287 (copy_rtx): Don't handle `b' cases.
3288 (read_rtx): Use a local rtl_obstack.
3289 * rtl.h (oballoc): Remove.
3291 (pop_obstacks): Likewise.
3292 (push_obstacks): Likewise.
3293 (allocate_bb_life_data): Likewise.
3294 (allocate_reg_life_data): Likewise.
3295 (rtx_free): Likewise.
3296 * sdbout.c (sdbout_queue_anonymous_type):
3297 Use tree_cons, not saveable_tree_cons.
3299 (cselib_init): Don't mess with obstacks.
3301 (mark_block_nesting): Mark the label_chain.
3302 (epxand_label): Use ggc_alloc, not oballoc.
3303 (clear_last_expr): Don't mess with obstacks.
3304 (expand_decl_cleanup): Likewise.
3305 (expand_dcc_cleanup): Likewise.
3306 (expand_dhc_cleanup): Likewise.
3307 (expand_anon_union_decl): Likewise.
3308 (add_case_node): Use xmalloc, not oballoc.
3309 (free_case_nodes): New function.
3310 (expand_end_case): Call it.
3311 * stor-layout.c (layout_type): Don't
3313 (layout_type): Likewise.
3314 * toplev.c (wrapup_global_declarations):
3316 (compile_file): Remove ggc_p conditionals.
3317 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
3318 (decode_f_option): Remove ggc_p conditionals.
3320 (function_maybepermanent_obstack): Remove.
3321 (maybepermanent_obstack): Likewise.
3322 (function_obstack): Likewise.
3323 (tmeporary_obstack): Likewise.
3324 (momentary_obstack): Likewise.
3325 (temp_decl_obstack): Likewise.
3326 (saveable_obstack): Likewise.
3327 (rtl_obstack): Likewise.
3328 (current_obstack): Likewise.
3329 (expression_obstack): Likewise.
3330 (struct obstack_stack): Likewise.
3331 (obstack_stack): Likewise.
3332 (obstack_stack_obstack): Likewise.
3333 (maybepermanent_firstobj): Likewise.
3334 (temporary_firstobj): Likewise.
3335 (momentary_firstobj): Likewise.
3336 (temp_decl_firstobj): Likewise.
3337 (momentary_function_firstobj): Likewise.
3338 (all_types_permanent): Likewise.
3339 (struct momentary_level): Likewise.
3340 (momentary_stack): Likewise.
3341 (init_obstacks): Remove initialization of removed obstacks.
3342 (save_tree_status): Remove.
3343 (restore_tree_status): Likewise.
3344 (temporary_allocation): Liekwise.
3345 (end_temporary_allocation): Liekwise.
3346 (resume_temporary_allocation): Likewise.
3347 (saveable_allocation): Likewise.
3348 (push_obstacks): Likewise.
3349 (push_obstacks_nochange): Likewise.
3350 (pop_obstacks): Likewise.
3351 (allocation_temporary_p): Likewise.
3352 (permanent_allocation): Likewise.
3353 (preserve_data): Likewise.
3354 (preserve_initializer): Likewise.
3355 (rtl_in_current_obstack): Likewise.
3356 (rtl_in_saveable_obstack): Likewise.
3357 (oballoc): Likewise.
3359 (savealloc): Likewise.
3360 (expralloc): Likewise.
3361 (print_obstack_name): Likewise.
3362 (debug_obstack): Likewise.
3363 (object_permanent_p): Likewise.
3364 (push_momentary): Likewise.
3365 (perserve_momentary): Likewise.
3366 (clear_momentary): Likewise.
3367 (pop_momentary): Likewise.
3368 (pop_momentary_nofree): Likewise.
3369 (suspend_momentary): Likewise.
3370 (resume_momentary): Likewise.
3371 (make_node): Don't set TREE_PERMANENT.
3372 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
3373 Don't set TREE_PERMANENT.
3374 (get_identifier): Remove ggc_p conditionals.
3375 (build_string): Likewise.
3376 (make_tree_vec): Likewise.
3377 (build_decl_list): Remove.
3378 (build_expr_list): Likewise.
3379 (tree_cons): Remove ggc_p conditionals.
3380 (decl_tree_cons): Remove.
3381 (expr_tree_cons): Likewise.
3382 (perm_tree_cons): Likewise.
3383 (temp_tree_cons): Likewise.
3384 (saveable_tree_cons): Likewise.
3385 (build1): Remove ggc_p conditionals.
3386 (build_parse_node): Likewise.
3387 (build_type_attribute_variant): Don't mess with obstacks.
3388 (build_type_copy): Likewise.
3389 (type_hash_canon): Likewise.
3390 (build_pointer_type): Likewise.
3391 (build_reference_type): Likewise.
3392 (build_index_type): Likewise.
3393 (build_range_type): Likewise.
3394 (dump_tree_statistics): Don't print obstack information.
3396 (struct tree_common): Remove permanent_flag.
3397 (TREE_PERMANENT): Remove.
3398 (TREE_SET_PERMANENT): Likewise.
3399 (TYPE_OBSTACK): Likewise.
3400 (struct tree_type): Remove obstack.
3402 (savealloc): Likewise.
3403 (build_decl_list): Likewise.
3404 (build_expr_list): Likewise.
3405 (perm_tree_cons): Likewise.
3406 (temp_tree_cons): Likewise.
3407 (saveable_tree_cons): Likewise.
3408 (decl_tree_cons): Likewise.
3409 (expr_tree_cons): Likewise.
3410 (suspend_momentary): Likewise.
3411 (allocation_temporary_p): Likewise.
3412 (resume_momentary): Likewise.
3413 (push_obstacks_nochange): Likewise.
3414 (permanent_allocation): Likewise.
3415 (push_momentary): Likewise.
3416 (clear_momentary): Likewise.
3417 (pop_momentary): Likewise.
3418 (end_temporary_allocation): Likewise.
3419 (pop_obstacks): Likewise.
3420 (push_obstacks): Likewise.
3421 (pop_momentary_nofree): LIkewise.
3422 (preserve_momentary): Likewise.
3423 (saveable_allocation): Likewise.
3424 (temporary_allocation): Likewise.
3425 (resume_temporary_allocation): Likewise.
3426 (perserve_initializer): Likewise.
3427 (debug_obstack): Likewise.
3428 (rtl_in_current_obstack): Likewise.
3429 (rtl_in_saveable_obstack): Likewise.
3431 * varasm.c (current_obstack): Remove.
3432 (saveable_obstack): Remove.
3433 (rtl_obstack): Remove.
3434 (immed_double_const): Don't mess with obstacks.
3435 (immed_real_cons): Likewise.
3436 (output_constant_def): Likewise.
3437 (init_varasm_status): Use xcalloc.
3438 (mark_pool_constant): Mark the pool constant itself.
3439 (free_varasm_status): Free memory.
3440 (decode_rtx_const): Call bzero directly, rather than expanding it
3442 (record_rtx_const): Don't mess with obstacks.
3443 (force_const_mem): Likewise.
3444 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
3446 (aof_pic_entry): Likewise.
3447 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
3448 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
3449 * config/pa/pa.c (saveable_obstack): Remove.
3450 (rtl_obstack): Likewise.
3451 (current_obstack): Likewise.
3452 (output_call): Don't mess with obstacks.
3453 (hppa_encode_label): Remove ggc_p conditionals.
3454 * config/romp/romp.c (get_symref): Don't mess with obstacks.
3455 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
3456 (rs6000_encode_section_info): Likewise.
3457 * config/sh/sh.c (get_fpscr_rtx): Likewise.
3459 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
3461 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
3462 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
3463 (addsi3_carry): Canonicalize.
3464 (addqi_5): Remove '*'.
3465 (sbb pattern): Canonicalize.
3467 * i386.md (cmp to inc/add peep2): New.
3469 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
3471 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
3474 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3476 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
3477 * README.TRAD, TESTS.FLUNK: Remove.
3479 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3481 * c-common.c (decl_attributes): Don't allow strftime formats with
3482 first_arg_num nonzero.
3483 (check_format_info): Set wanted_type and wanted_type_name to zero
3484 before they are possibly assigned and used.
3486 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3488 * c-common.c (scanf_flag_specs): Add flags ' and I.
3489 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
3490 or the ^ and # flags together.
3491 (scan_char_table): Handle the ' and I flags.
3492 (format_types): Add ' and I flags for scanf.
3494 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3496 * c-common.c (print_char_table): Use the unpromoted type for
3497 lengths "h" and "hh" with conversions dioxXu.
3498 (check_format_types): Apply the default argument promotions where
3499 the wanted type is not a pointer target.
3501 2000-10-11 Michael Meeks <mmeeks@gnu.org>
3502 Joseph S. Myers <jsm28@cam.ac.uk>
3504 * c-typeck.c (check_modify_expr): New function.
3505 (build_modify_expr): Call it if warn_sequence_point.
3506 * c-decl.c (warn_sequence_point): New variable.
3507 (c_decode_option): Handle -Wsequence-point and
3508 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
3509 * c-tree.h (warn_sequence_point): Declare.
3510 * invoke.texi (-Wsequence-point): Document.
3511 * toplev.c (documented_lang_options): Add -Wsequence-point and
3512 -Wno-sequence-point.
3513 Original work by Michael Meeks, 16 Jun 1998.
3515 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3517 * tree.c (get_narrower): Don't look at precision of field if
3520 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
3522 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
3523 declaration for data with "progmem" attribute.
3525 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
3527 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
3528 Correct insn length if shift count is a memory operand.
3529 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
3530 (*iorhi3_clobber): Change lo8 to hi8.
3531 (zero_extendhisi2): Change %B0 to %A1.
3532 (ashlhi3, ashrhi3): Correct insn length.
3533 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
3534 from "clobber" to "set_n" in some alternatives.
3536 2000-10-10 Jakub Jelinek <jakub@redhat.com>
3538 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
3539 remove its insn_chain structure as well.
3541 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3543 * dbxout.c (dbxout_source_line): Remove extra tab.
3545 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
3547 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
3549 2000-10-09 Richard Henderson <rth@cygnus.com>
3551 * Makefile.in (LANG_LIB2FUNCS): Remove.
3552 (LIB2FUNCS): Remove _pure.
3553 (LIB2ADD): Remove LANG_LIB2FUNCS.
3554 (stage_a): Don't set LANG_LIB2FUNCS.
3555 * libgcc2.c (__terminate): Mark noreturn.
3556 (__pure_virtual): Remove.
3557 * mklibgcc.in: Remove LIB2ADD .txt processing.
3559 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3561 * arm.md (push_multi): Revert unintended change.
3563 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3565 * arm.c: Miscellaneous white space and comment clean-ups. No
3569 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3571 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
3572 STRING_CST by calling combine_strings.
3574 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3576 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
3577 (thumb_output_move_mem_multiple): Support new insn format.
3578 * arm.md (movmem12b): Use SSA compatible format.
3579 (movmem8b): Likewise.
3581 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3583 * arm.md (predicable): New attribute, default to "no".
3584 (all patterns): Mark as predicable if appropriate.
3585 (conditional execution splits): Split using predication format.
3586 (define_cond_exec): Define.
3587 * arm.c (arm_print_operand): handle insn predicate.
3589 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3591 * README.NS32K: Remove file.
3593 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3595 * README-bugs: Remove file.
3597 2000-10-08 Philipp Thomas <pthomas@suse.de>
3598 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
3600 * configure: Rebuilt.
3602 2000-10-08 Philipp Thomas <pthomas@suse.de>
3603 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
3604 disable catalog building if no suitable program was found.
3605 Move warning message from here
3606 (AM_GNU_GETTEXT): To here.
3607 * configure: Rebuilt.
3609 2000-10-08 Philipp Thomas <pthomas@suse.de>
3610 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
3611 different cache variables.
3612 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
3613 uses different cache variables.
3614 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
3615 * configure: Regenerated.
3617 2000-10-08 Richard Henderson <rth@cygnus.com>
3619 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
3620 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
3621 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
3624 * config/t-linux (SHLIB_EXT): New.
3625 (SHLIB_LINK): Use the entire build command, with substitutions.
3626 (SHLIB_LIBS): Remove.
3627 * config/alpha/t-osf4: Likewise.
3628 * config/mips/t-iris6: Likewise.
3629 * config/sparc/t-sol2: Likewise, but move shlib stuff...
3630 * config/sparc/t-slibgcc-sld: ...here.
3631 * config/sparc/t-slibgcc: New file.
3633 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3635 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
3636 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
3638 (intmax_type_node, uintmax_type_node): Define.
3639 * c-common.c (decl_attributes): If pedantic, warn if `mode'
3640 attributes create a type wider than intmax_t.
3641 (T_IM, T_UIM): Define properly.
3642 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
3644 (init_decl_processing): Initialize intmax_type_node and
3646 * c-lex.c (lex_number): When pedantic and warning for integer
3647 constants that are too large, in C99 mode warn for those that have
3648 a type wider than long long.
3650 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3652 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
3653 FMT_FLAG_FANCY_PERCENT_OK): Define.
3654 (format_char_info): Add flag "4" to comment.
3655 (format_flag_spec, format_flag_pair): New structures.
3656 (format_kind_info): Add additional fields to control format
3658 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
3659 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
3661 (time_char_table): Use "4" flag to handle %Ey.
3662 (format_types): Add entries for new fields.
3663 (get_flag_spec): New function.
3664 (check_format_info): Increase size of flag_chars[] to 256.
3665 Control format checking using the new fields of a format_kind_info
3666 and the new tables; remove all conditionals on printf_format_type,
3667 scanf_format_type or strftime_format_type. Handle all details of
3668 bad combinations of flags (including width, precision and strftime
3669 modifiers) through data rather than ad hoc code. Handle all
3670 details of standard versions in which flags appeared through
3671 data. Use the "4" flag.
3673 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
3675 * config/h8300/h8300.md: Remove the memory alternative and correct
3676 the insn lengths in the templates for sign extention and zero
3679 2000-10-07 Richard Henderson <rth@cygnus.com>
3681 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
3682 * flow.c (make_edges): Revert last change.
3684 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
3686 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
3688 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
3690 * config/alpha/elf.h: Standardize the formatting.
3692 2000-10-06 David O'Brien <obrien@FreeBSD.org>
3694 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
3697 2000-10-06 Richard Henderson <rth@cygnus.com>
3699 * function.c (diddle_return_value): Examine
3700 current_function_return_rtx instead of the DECL_RESULT.
3701 (expand_function_end): Handle reloading DECL_RESULT from memory
3702 into a hard register. Query promote_mode for sign of mismatched
3705 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3707 * haifa-sched.c (schedule_insns): Fix typo in freeing
3708 forward_dependency_cache.
3710 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3712 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
3713 `TARGET_SH2' as a condition.
3715 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3717 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
3718 forward_dependency_cache): New variables.
3719 (add_dependence, remove_dependence): Use anti_dependency_cache and
3720 output_dependency_cache.
3721 (compute_block_forward_dependences): Use forward_dependency_cache.
3722 (schedule_insns): Allocate and free memory for anti/output/forward
3723 dependencies caches.
3725 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3727 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
3728 `! TARGET_SH1'. Reindent.
3730 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3732 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
3733 Move functions from here ...
3735 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
3737 (c_expand_builtin): New function.
3738 (init_function_format_info): Don't set `check_function_format_ptr'.
3739 (c_common_nodes_and_builtins): Set built_in_class type for
3740 printf/__builtin_printf to BUILT_IN_FRONTEND.
3741 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
3743 * c-common.h (build_function_call): Declare.
3745 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
3746 to `lang_expand_expr' rather than `expand_builtin'.
3748 * tree.c (check_function_format_ptr): Delete.
3750 * tree.h (check_function_format_ptr): Likewise.
3752 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
3754 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
3755 DW_OP_bregx when cfa->reg > 31.
3757 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
3760 2000-10-05 Richard Henderson <rth@cygnus.com>
3762 * c-decl.c (warn_missing_noreturn): Remove.
3763 (c_expand_body): Don't set or check can_reach_end.
3764 * c-tree.h (warn_missing_noreturn): Move ...
3765 * flags.h: ... here.
3766 (can_reach_end): Remove.
3767 * flow.c (check_function_return_warnings): New.
3768 (make_edges): No edge to exit for noreturn sibcalls.
3769 * function.c (expand_function_end): Save the return value
3770 clobber instruction.
3771 (mark_function_status): Mark it.
3772 * function.h (struct function): Add x_clobber_return_insn.
3773 * jump.c (can_reach_end): Remove.
3774 (calculate_can_reach_end): Remove.
3775 (jump_optimize_1): Don't call it.
3776 * output.h (check_function_return_warnings): Declare.
3777 * toplev.c (warn_missing_noreturn): Move from c-decl.c
3778 (rest_of_compilation): Call check_function_return_warnings.
3780 2000-10-05 Richard Henderson <rth@cygnus.com>
3782 * Makefile.in (NM_FOR_TARGET): New.
3783 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
3784 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
3785 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
3786 shared library build on that and EXTRA_MULTILIB_PARTS.
3787 * mkmap-flat.awk: New file.
3788 * mkmap-symver.awk: New file.
3789 * libgcc-std.ver: New file.
3790 * config/libgcc-glibc.ver: New file.
3791 * config/ia64/libgcc-ia64.ver: New file.
3792 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3793 (SHLIB_LINK): Add --version-script.
3794 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
3795 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3796 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3797 (SHLIB_LINK): Add -M.
3799 2000-10-05 Richard Henderson <rth@cygnus.com>
3801 * Makefile.in (LIB2FUNCS): Add _clz.
3802 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
3803 (__clz_tab): Put in its own unit, non-static.
3804 * libgcc2.h: Always include longlong.h.
3806 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
3807 a zero instead of -1.
3808 (count_trailing_zeros): Likewise.
3810 2000-10-05 Richard Henderson <rth@cygnus.com>
3812 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
3813 when second op1 is const0_rtx. Validate op0 as a register.
3814 * config/alpha/alpha.md (setcc_internal): Don't allow constants
3815 in the first argument of the compare.
3816 (setcc_swapped_internal): Likewise.
3817 (setne_internal): Likewise.
3819 2000-10-05 Geoff Keating <geoffk@cygnus.com>
3821 * tree.c (tree_size): New function split out of copy_node.
3822 (make_node): Remove obstack handling. Use tree_size.
3823 (copy_node): Use tree_size.
3824 * tree.h: Prototype tree_size.
3826 2000-10-05 Richard Henderson <rth@cygnus.com>
3828 * diagnostic.c (output_format): Add missing break.
3830 2000-10-05 Jim Wilson <wilson@cygnus.com>
3832 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
3833 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
3834 sequence insn to INSN, and delete last sequence insn.
3836 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
3838 * gcc.c (main): Include generated configargs.h header
3839 and use arguments in '-v' output.
3841 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3843 * gcc.c: Move data on prefixes forward in file and reorganize.
3844 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
3845 Always define, but make null if no value.
3846 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
3847 and "md_startfile_prefix_1".
3848 (main): Check whether md_exec_prefix and the others are the
3849 null string rather than whether the macro is defined.
3851 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3853 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
3854 from PSImode to SImode.
3856 2000-10-05 Jakub Jelinek <jakub@redhat.com>
3858 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
3859 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
3860 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
3863 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3865 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
3866 negation in proper type.a
3868 2000-10-04 Richard Henderson <rth@cygnus.com>
3870 * configure.in (enable-shared): New.
3871 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
3872 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
3873 * mklibgcc.in: Use them to link shared a libgcc.
3874 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
3875 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
3876 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
3877 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
3879 * configure.in (alpha-osf*): Use t-osf and x-osf.
3880 * config/alpha/t-osf: New file.
3881 * config/alpha/t-osf4: New file.
3882 * config/alpha/x-osf: New file.
3883 * config/alpha/x-alpha: Remove file.
3885 2000-10-04 Will Cohen <wcohen@redhat.com>
3887 * c-typeck.c (process_init_element): Added warning for zero-length
3890 * extend.texi (Zero Length): State that static initializers for
3891 zero-length arrays are not allowed.
3893 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
3895 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
3898 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3900 * config/float-c4x.h: New.
3901 * configure.in (c4x-*): Set float_format to c4x.
3902 * configure: Regenerate.
3904 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3906 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
3907 compilation for solaris versions 2.7 and greater.
3909 2000-10-02 Marc Espie <espie@openbsd.org>
3911 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
3912 instead of redefining from scratch.
3914 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
3916 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
3918 2000-10-01 Mark Mitchell <mark@codesourcery.com>
3920 * config/ns32k/genix.h: Remove.
3921 * config/ns32k/x-genix: Likewise.
3922 * config/ns32k/xm-genix.h: Likewise.
3923 * config/fx80: Remove all filee in directory.
3924 * config/pyr: Likewise.
3925 * config/tahoe: Likewise.
3926 * config/gmicro: Likewise.
3927 * config/spur: Likewise.
3928 * configure.in: Remove configury bits for above targets.
3929 * configure: Regenerated.
3931 * configure.in: Don't configure chill by default.
3932 * configure: Regenerated.
3934 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
3935 (lang_mark_false_label_stack): Remove.
3936 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
3937 <top level> string in GC area.
3938 (mark_splay_tree_node): New function.
3939 (mark_splay_tree): Likewise.
3940 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
3942 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
3943 * ggc-common.c (lang_mark_false_label_stack): Change type.
3944 * ggc.h (ggc_alloc_string): Add comment.
3945 (ggc_strdup): New function.
3947 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
3949 * config/avr/avr.h (BRANCH_COST): Define as 0.
3951 * config/pdp11/pdp11.c: #include "tree.h" added.
3953 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
3955 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
3956 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
3957 with known shift count.
3958 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
3959 New alternative for shift count 2 with no scratch register.
3960 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
3961 "set_n" for shift counts 1 and 2.
3963 2000-09-30 Geoff Keating <geoffk@cygnus.com>
3965 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
3966 the mask value from the individual SET operations.
3967 (return_internal_si): Move the USE after the RETURN.
3968 (return_internal_di): Likewise.
3969 (return_and_restore_fpregs_si): Likewise.
3970 (return_and_restore_fpregs_di): Likewise.
3971 (return_eh_si): Likewise.
3972 (return_eh_di): Likewise.
3973 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
3975 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
3976 Don't generate a PARALLEL around a single operation movsi_to_cr.
3977 Generate the RETURN first in any PARALLELs.
3979 * rtlanal.c (single_set_1): Use fatal_insn to display the
3980 invalid insn. Check for more cases when a USE or CLOBBER occurs
3982 * Makefile.in: Update dependencies for rtlanal.o.
3984 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
3986 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
3988 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
3990 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
3991 Consistently use @email for formatting email addresses.
3993 2000-09-29 Richard Henderson <rth@cygnus.com>
3995 * cse.c (notreg_cost): New argument outer.
3996 (COST): Pass in SET to notreg_cost
3998 (fold_rtx): Use COST_IN. Prefer constants when costs
4001 2000-09-29 David Edelsohn <edelsohn@gnu.org>
4003 * fixinc/inclhack.def (broken_cabs): Generalize regex.
4004 * fixinc/fixincl.x: Regenerate.
4006 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4008 * loop.c (check_final_value): A GIV is not replaceable if used
4011 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
4013 * version.c: Bump to gcc-2.97.
4015 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
4017 * final.c (final_scan_insn): Remove extra extract_insn call;
4018 Use caching for constrain_operands.
4019 (cleanup_subreg_operands): Use caching for extract_insn.
4020 * recog.c (constrain_operands_cached): New.
4021 * recog.h (constrain_operands_cached): Declare.
4022 * i386.c (ix86_attr_length_immediate_default,
4023 ix86_attr_length_address_default, ix86_agi_dependant): Cache
4026 * recog.c (asm_noperands): Tweak.
4027 (extract_insn): Do not call asm_noperads for non-asm instructions.
4029 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4031 * recog.c (recog_memoized): Rename to recog_memoized_1.
4032 * recog.h (recog_memoized): Rename to recog_memoized_1.
4033 (recog_memoized): New macro.
4034 * rtl.h (single_set): Rename to single_set_1
4035 (single_set): New macro.
4036 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
4039 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
4040 Do not use match_dup of input operands at outputs.
4041 Use register_operand for memory expression.
4042 (rep_movsi): Put use last, canonicalize.
4043 Use register_operand for memory expression.
4044 (rep_movqi): Put use last.
4045 Use register_operand for memory expression.
4046 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
4047 of input operands at outputs. Use register_operand for memory
4049 (rep_stossi): Put use last; canonicalize; fix match_dup in
4050 the address expression
4051 (rep_stosqi): Likewise.
4052 (memcmp expander): Update calls.
4053 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
4056 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
4058 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
4060 2000-09-28 David O'Brien <obrien@FreeBSD.org>
4062 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
4063 Contains the old contents of config/i386/freebsd.h
4064 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
4065 Contains the old contents of config/i386/freebsd-elf.h
4066 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
4067 config/i386/freebsd.h.
4068 * configure.in: Adjust for above changes.
4069 * po/POTFILES.in: Likewise.
4070 * po/en_GB.po: Likewise.
4071 * po/gcc.pot: Likewise.
4072 * configure: Rebuilt.
4074 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4076 * doloop.c (doloop_modify): Prevent delete_insn() from
4077 deleting too much. Prefer loop->top over loop->start as
4078 target for the new JUMP insn.
4079 (doloop_valid_p): Ignore loop with exit_count != 0.
4081 2000-09-28 Philipp Thomas <pthomas@suse.de>
4083 * invoke.texi (i386 Options): Add athlon to table of possible
4086 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
4088 * diagnostic.h (output_clear_message_text): New function.
4089 (output_message_text): New macro.
4091 * diagnostic.c (clear_text_info): Rename to
4092 output_clear_message_text.
4093 (output_clear): Adjust.
4094 (output_finish): Rename to output_finalize_message. Tweek.
4095 (output_to_stream): Adjust.
4097 2000-09-28 Neil Booth <neilb@earthling.net>
4099 * cpperror.c (_cpp_begin_message): Do the test for suppression
4100 of warnings and pedantic warnings before the "is a warning an
4102 * cppinit.c (cpp_handle_option): Remove surplus \n.
4103 * cpplex.c (ON_REST_ARG): Delete.
4104 (skip_block_comment): Initialise prevc.
4105 (parse_args): Improve error messages.
4106 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
4108 * cpplib.c (cpp_push_buffer): Fix grammar in message.
4109 * cppmain.c (main): Set callbacks for #ident and #pragma
4110 only if no_output option is false.
4111 (do_pragma_implementation): Only call the #pragma handler
4112 if it is set in the cpp_reader structure.
4114 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
4116 * integrate.c (copy_insn_list): if an ignored return value
4117 is being clobbered, skip cloning that into the inline copy.
4119 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
4121 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
4122 use @uref for formatting URLs.
4124 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
4126 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
4129 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
4131 * gcc.c (cpp_options): Add spec for -ftabstop=.
4132 (invoke_as): New spec that handles invoking as.
4133 Update specs to handle -save-temps and -traditional.
4134 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
4136 * cp/lang-specs.h, objc/lang-specs.h: Update to use
4137 invoke_as, and handle -save-temps and -traditional (if
4140 2000-09-26 Jakub Jelinek <jakub@redhat.com>
4142 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
4144 (function_arg_slotno): Accept TImode/CTImode.
4145 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
4148 2000-09-26 Michael Hayes <mhayes@cygnus.com>
4150 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
4153 2000-09-25 Jim Wilson <wilson@cygnus.com>
4155 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
4156 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
4157 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
4158 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
4160 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4162 * cpplex.c (parse_args): Don't set VOID_REST flag.
4163 (CONTEXT_VARARGS): New flag.
4164 (maybe_paste_with_next): Set context earlier in loop. Use
4165 it. Do varargs test with CONTEXT_VARARGS flag.
4166 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4167 pushing an argument context for a varargs argument.
4168 * cpplib.h (VOID_REST): Delete.
4169 * gcc.dg/cpp/vararg1.c: Add test case.
4171 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4173 * flags.h: Declare warning flag warn_system_headers.
4174 * toplev.c: Define it.
4175 (W_options): Add option -Wsystem-headers.
4176 * diagnostic.c (count_error): Test warn_system_headers.
4177 * invoke.texi: Add description for -Wsystem-headers.
4178 * cpplib.h (cpp_options): New member warn_system_headers.
4179 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4180 CPP_IN_SYSTEM_HEADER.
4181 * cpplib.c (do_import, do_pragma_once): Likewise.
4182 * cpperror.c (_cpp_begin_message): Test warn_system_headers
4183 and CPP_IN_SYSTEM_HEADER.
4184 * cppinit.c (handle_option): Recognize -Wsystem_headers.
4185 (print_help): Describe -Wsystem_headers.
4186 * cpplex.c (lex_line): Reorganize condition so that warnings
4187 about C++ comments in system headers can be enabled. Remove
4188 label do_line_comment.
4190 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
4192 * cpplex.c (save_comment): Only store the initial '/'
4194 (lex_token): Combine handling of the two comment types.
4195 Pass everything but the initial '/' to save_comment.
4197 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
4199 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
4200 _cpp_can_paste): New library-internal prototypes.
4201 * cpplex.c (dump_param_spelling, output_line_command,
4202 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
4203 cpp_printf, cpp_output_list): Move to cppoutput.c.
4204 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
4205 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
4207 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
4208 dump_param_spelling, output_line_command, cpp_scan_buffer,
4209 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
4211 * Makefile.in: Add cppoutput.c.
4212 * po/POTFILES.in: Add cppoutput.c.
4214 2000-09-25 Richard Henderson <rth@cygnus.com>
4216 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
4217 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
4218 split until after reload.
4219 (rotlsi3, rotldi3): New.
4221 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
4223 * diagnostic.c (output_last_position): Define.
4224 (set_real_maximum_length): Tweek.
4225 * diagnostic.h (output_last_position): Declare.
4227 2000-09-25 Kazu Hirata <kazu@hxi.com>
4229 * config/i386/i386.c: Fix formatting.
4231 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
4233 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
4234 UNITS_PER_WORD is small.
4236 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
4238 * c-common.c (format_char_info): Add flags2; update comments.
4239 (print_char_table, scan_char_table, time_char_table): Split some
4240 flags out into flags2.
4241 (check_format_info): Use flags2 for those flags, for identifying
4242 the initial character of a scanf scanset, and for identifying
4243 printf formats where the '0' flag is ignored with precision.
4245 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
4247 Changes below marked "here" add TABs on either or both sides,
4248 covering start of line, up to any operand for all noted .*ASM.*_OP
4249 definitions. All callers changed.
4250 * tm.texi: Make documented *_ASM.*_OP:s include spacing
4251 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
4252 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4253 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4254 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
4255 Fix typos in description for LONG_LONG_TYPE_SIZE and
4256 FINI_SECTION_ASM_OP.
4257 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
4258 why these defaults don't have leading spacing.
4259 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
4260 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4261 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
4262 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
4263 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
4264 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
4265 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
4266 * varasm.c (ASM_STABS_OP): Here.
4267 * xcoffout.h (ASM_STABS_OP): Here.
4268 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4269 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4270 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
4271 STRING_ASM_OP): Here.
4272 * config/freebsd.h (IDENT_ASM_OP): Here.
4273 * config/linux-aout.h (SET_ASM_OP): Here.
4274 * config/linux.h (SET_ASM_OP): Here.
4275 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4277 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4278 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
4279 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4280 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4282 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4283 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4284 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
4285 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4286 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
4287 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4288 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
4289 * config/a29k/udi.h (INT_ASM_OP): Here.
4290 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
4291 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4293 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
4294 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4295 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4296 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
4297 ASM_STABD_OP): Here.
4298 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
4299 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
4300 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4301 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
4302 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
4303 SIZE_ASM_OP, STRING_ASM_OP): Here.
4304 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
4305 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
4306 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
4307 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
4308 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
4309 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
4311 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4312 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
4313 * config/arm/coff.h (INT_ASM_OP): Here.
4314 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4315 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
4316 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
4317 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
4318 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4319 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4320 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
4321 STRING_ASM_OP): Here. Update documentation copy in comments.
4322 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
4323 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
4324 DATA_SECTION_ASM_OP): Here.
4325 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
4327 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
4328 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4329 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4330 BSS_SECTION_ASM_OP): Here.
4331 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4332 BSS_SECTION_ASM_OP): Here.
4333 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4335 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
4336 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4337 * config/h8300/h8300.h (ASM_WORD_OP): Here.
4338 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4339 BSS_SECTION_ASM_OP): Here.
4340 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
4341 * config/i386/bsd.h (ASM_BYTE_OP): Here.
4342 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
4343 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
4344 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
4346 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
4347 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
4349 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
4350 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4351 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
4352 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4354 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
4355 * config/i386/netbsd.h (INT_ASM_OP): Here.
4356 * config/i386/openbsd.h (INT_ASM_OP): Here.
4357 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
4358 IDENT_ASM_OP): Here.
4359 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
4360 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
4361 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
4362 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
4363 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
4364 SHARED_BSS_SECTION_ASM_OP): Here.
4365 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
4366 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4367 DATA_SECTION_ASM_OP): Here.
4368 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4369 CONST_SECTION_ASM_OP): Here.
4370 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
4371 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4372 BSS_SECTION_ASM_OP): Here.
4373 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
4374 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
4375 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
4376 BSS_ASM_OP): Here, but use trailing spaces.
4377 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4378 DATA_SECTION_ASM_OP): Here.
4379 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
4381 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
4382 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
4383 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4384 TDESC_SECTION_ASM_OP): Here.
4385 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
4386 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4387 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4389 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4390 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4391 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4392 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4393 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
4394 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
4395 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4396 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
4397 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
4398 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
4399 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4400 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4402 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4403 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4404 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
4405 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
4406 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
4407 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
4408 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
4409 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4410 GLOBAL_ASM_OP): Here.
4411 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
4412 BSS_SECTION_ASM_OP): Here.
4413 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
4414 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4415 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
4416 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
4418 * config/m68k/newsgas.h (SET_ASM_OP): Here.
4419 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
4420 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4421 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4422 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4423 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
4424 but use trailing spaces.
4425 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
4426 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
4427 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
4429 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4430 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4431 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4432 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4433 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4434 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
4435 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
4436 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
4437 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
4438 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
4439 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4440 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
4442 * config/m88k/openbsd.h (SET_ASM_OP): Here.
4443 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4444 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4445 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
4446 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
4447 DTORS_SECTION_ASM_OP): Here.
4448 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
4449 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4450 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
4451 BSS_SECTION_ASM_OP): Here.
4452 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
4453 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
4454 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
4455 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
4456 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
4457 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4458 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
4459 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
4461 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
4463 * config/mips/osfrose.h (SET_ASM_OP): Here.
4464 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
4465 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
4466 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
4467 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4469 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
4470 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
4471 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
4472 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
4473 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
4474 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4476 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4478 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
4479 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
4480 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
4482 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
4483 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
4484 * config/sparc/linux.h (COMMON_ASM_OP): Here.
4485 * config/sparc/linux64.h (COMMON_ASM_OP,
4486 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4487 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
4488 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4489 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
4490 * config/sparc/pbd.h (ASM_INT_OP): Here.
4491 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
4492 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4493 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
4494 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
4495 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
4496 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
4497 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
4498 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
4499 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
4500 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4501 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4502 EH_FRAME_SECTION_ASM_OP): Here.
4503 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
4504 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4506 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4508 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
4509 TCOMMON_ASM_OP): Here.
4510 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4512 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4515 2000-09-25 Richard Henderson <rth@cygnus.com>
4517 * expmed.c (store_bit_field): Adjust last change to not consider
4518 any word-sized field naturally aligned.
4520 2000-09-24 Richard Henderson <rth@cygnus.com>
4522 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
4523 TFmode unordered compares properly. Revalidate integer compare
4525 (alpha_emit_setcc): New.
4526 (alpha_emit_conditional_move): Revalidate integer compare operands.
4527 * config/alpha/alpha-protos.h: Update.
4528 * config/alpha/alpha.md (cmpdi): Allow general operands.
4529 (sne): Use alpha_emit_setcc.
4530 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
4531 (sunordered, sordered): New.
4533 2000-09-24 Richard Henderson <rth@cygnus.com>
4535 * config/ia64/ia64-protos.h: Update.
4536 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
4537 (ia64_expand_call): New.
4538 (ia64_expand_prologue): Emit an alloc if we need extra input
4540 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
4541 instruction if true.
4542 (struct reg_flags): Add is_sibcall.
4543 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
4544 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
4545 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
4546 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4547 * config/ia64/ia64.md (call): Use ia64_expand_call.
4548 (call_value): Likewise.
4549 (sibcall, sibcall_value): New.
4550 (call patterns): Remove extra expanders; tidy.
4551 (sibcall_epilogue): New.
4552 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
4554 2000-09-24 Richard Henderson <rth@cygnus.com>
4556 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
4558 * sibcall.c (skip_pic_restore): New.
4559 (identify_call_return_value): Use it.
4561 2000-09-24 Mark Mitchell <mark@codesourcery.com>
4563 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
4564 functions. Generalize to handle both C and C++.
4565 * Makefile.in (c-tree.info): New target.
4566 (info): Add c-tree.info.
4568 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4570 * expr.c (store_field): If BITSIZE is negative, use size of type.
4571 (expand_expr, case COMPONENT_EXPR): Likewise.
4573 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
4575 * cpplex.c: Update TODO comment.
4576 * cpplib.c (do_error, do_warning): Merge common code of
4577 do_error and do_warning into do_diagnostic. Use it.
4578 (do_diagnostic): New function.
4579 * cpplib.h: Fix comment typo.
4581 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4583 * c-common.c (check_format_info): Warn for a wide character string
4584 used as a non-wide format argument.
4586 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4588 * builtins.def (BUILT_IN_LLABS): Add.
4589 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
4590 * c-common.c (c_common_nodes_builtins): Create builtin functions
4591 __builtin_llabs, and plain llabs unless no_nonansi_builtins
4592 outside of C99 mode.
4593 (expand_tree_builtin): Handle BUILT_IN_LLABS.
4595 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
4597 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
4598 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
4599 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
4600 _cpp_free_toklist): No need to worry about extra dummy token
4601 at the start of token lists any more.
4602 (trigraph_ok): Only warn outside comments.
4603 (skip_block_comment): Set and clear lexing_comment.
4604 (skip_line_comment): Take a cpp_reader not cpp_buffer.
4605 Set and clear lexing_comment.
4606 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
4607 (check_long_token): Delete.
4608 (lex_percent, lex_dot): New subroutines of lex_token to
4609 handle lexing of '.' and '%' without lookback.
4610 (lex_token): Use lex_dot and lex_percent.
4611 (lex_line): Don't check for LIST_OFFSET.
4612 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
4613 * cpplib.c (_cpp_parse_assertion): Similarly.
4614 (cpp_push_buffer): Initialize extra_char.
4615 * cpplib.h (LIST_OFFSET): Delete.
4616 (struct cpp_buffer): New member extra_char.
4617 (struct lexer_state): New members lexing_comment and seen_dot.
4619 2000-09-23 Jason Merrill <jason@redhat.com>
4621 * config/rs6000/x-aix41 (CLIB): Define here.
4622 * config/rs6000/t-aix43: Not here.
4623 * config/rs6000/t-aix41: Or here. Remove.
4624 * configure.in: Don't use it.
4626 2000-09-22 Jason Merrill <jason@redhat.com>
4628 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
4629 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
4630 * config.in: Regenerate.
4632 * configure.in: Fix checks for assembler features when using a
4633 one-tree assembler that has not yet been built.
4634 Fix --disable-threads.
4636 2000-09-19 Geoff Keating <geoffk@cygnus.com>
4638 * stmt.c (expand_asm_operands): Allow # in constraints.
4640 2000-09-22 Jason Merrill <jason@redhat.com>
4642 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
4644 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
4645 function-local names.
4647 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
4648 Mark Mitchell <mark@codesourcery.com>
4650 * toplev.c (warn_disabled_optimization): Declare new warning flag.
4651 * flags.h (warn_disabled_optimization): Add it here.
4652 * gcse.c (gcse_main): Add warning when disabled.
4653 * invoke.texi: Document -Wdisabled-optimization.
4655 2000-09-21 Jason Merrill <jason@redhat.com>
4657 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
4659 * dwarf2out.c (tree_add_const_value_attribute): New fn.
4660 (gen_variable_die): Call it for non-definitions.
4662 * dwarf2out.c (die_struct): Add die_mark field.
4663 (mark_dies, unmark_dies): New fns.
4664 (clear_die_sizes): Remove.
4665 (print_die): Check die_symbol rather than die_offset.
4666 (build_abbrev_table, output_pubnames, output_aranges): Check
4667 die_mark rather than die_offset.
4668 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
4671 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
4673 * cppfiles.c (lookup_include_file): Rename to open_file.
4674 Always create a splay tree value, even on syscall failures.
4675 Negative entries indicated by fd == -2.
4676 Re-open files closed in the meantime.
4677 (_cpp_fake_include): Create a negative splay tree entry.
4678 (find_include_file, cpp_read_file): Update for function name
4680 * gcc.gd/cpp/mi4.c: Testcase.
4682 2000-09-21 Nick Clifton <nickc@redhat.com>
4684 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
4685 ARM and THUMB modes.
4687 * config/mcore/mcore.c: Fix compile time warnings.
4688 * config/mcore/mcore-protos.h: Fix compile time warnings.
4690 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4692 * configure.in: Correct test of gcc_cv_glibc.
4693 * configure: Rebuilt.
4694 * config.in: Rebuilt.
4696 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4698 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
4699 (expand_builtin): Handle BUILT_IN_FWRITE.
4701 * builtins.def (BUILT_IN_FWRITE): New entry.
4703 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
4705 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4707 * gcc.c (modify_target): New variable and struct.
4708 (process_command): Handle MODIFY_TARGET_NAME.
4709 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
4710 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
4712 * c-decl.c (finish_decl): Add else's to avoid referencing
4713 TYPE_DOMAIN of an ERROR_MARK.
4715 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
4717 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
4720 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
4722 * config/avr/avr.md (neghi2): Add alternative for input and output
4723 operands in different registers, as in negsi2.
4724 (*negsi2): Remove '*' from the name. Use "movw" if available.
4726 2000-09-19 Jim Wilson <wilson@cygnus.com>
4728 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
4729 HAVE_GAS_HIDDEN macro.
4731 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
4733 * cpplex.c (lex_line): Drop the EOF token for unknown
4734 directives in assembler.
4736 2000-09-19 David Edelsohn <edelsohn@gnu.org>
4738 * configure.in: Allow enable_threads_flag value of "aix". Define
4739 thread_file as "aix" for AIX 4.3 and above.
4740 * configure: Regenerated.
4742 * gthr-aix.h: New file.
4744 * rs6000/t-aix43: Replace soft-float multilib with pthread.
4745 Remove 403 processor multilib match. Fix rios2 processor multilib
4748 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
4749 to return to appropriate csect.
4751 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4753 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
4755 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
4756 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
4759 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
4762 * c-common.c (init_function_format_info): Handle __builtin_printf.
4763 Set `check_function_format_ptr'.
4764 (c_common_nodes_and_builtins): Set `puts_ftype' and
4765 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
4766 __builtin_printf and printf.
4768 * tree.c, tree.h (check_function_format_ptr): Declare.
4770 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
4772 * cppfiles.c (read_include_file): Take no special action for
4775 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
4777 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
4778 rather than that of branch.
4779 (shorten_branches): Don't increment insn_current_address twice.
4781 Undo most of the Wed Jan 27 23:39:53 1999 patch:
4782 * loop.h (struct induction): Delete members derived, ix and last_use.
4783 (struct loop_ivs): Delete members first_increment_giv and
4785 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
4786 recombine_givs): Delete functions.
4787 (find_and_verify_loops): Don't initialize cont_dominator.
4788 (strength_reduce): Lose code to try to find bivs that can be
4789 expressed as givs of another biv, and to convert biv increments
4791 Lose loop_scan_start variable, always use loop->scan_start.
4792 Don't call recombine_givs. Don't handle derived givs.
4793 (record_giv): Don't initialize derived and last_use fields.
4794 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
4796 * unroll.c (derived_regs): Delete static variable.
4797 (unroll_loop): Don't initialize it.
4798 (copy_loop_body): Lose code to handle derived givs.
4799 (find_splittable_givs): Don't check for givs made from biv
4801 Don't set derived_regs.
4803 Fix misapplied earlier patch:
4804 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
4806 (floatsisf2): Generate floatsisf_ie by default.
4807 (floatsisf_i4): Conditional on TARGET_SH4.
4809 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
4810 predicate for the expanders.
4812 2000-09-19 Richard Henderson <rth@cygnus.com>
4814 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
4815 in addition to pentium and pentiumpro symbols.
4816 (CPP_CPU_DEFAULT_SPEC): Likewise.
4818 * c-typeck.c (c_expand_asm_operands): Restore the output tree
4821 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
4822 if the tree has side effects.
4823 (warn_if_unused_value): Do not warn about void constructs.
4825 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
4827 * unroll.c (copy_loop_body): Update LABEL_NUSES before
4828 calling invert_jump.
4830 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4832 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
4835 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4837 * Makefile.in (c-common.o): Depend on diagnostic.h.
4839 * c-common.c: Include diagnostic.h.
4841 (status_warning): New function.
4842 (check_format_info, maybe_read_dollar_number, check_format_types,
4843 finish_dollar_format_checking, check_function_format): Accept a
4844 `status' parameter. All callers changed.
4846 * c-common.h (check_function_format): Accept a `status' parameter.
4848 * c-typeck.c: Update call to `check_function_format'.
4850 2000-09-18 Richard Henderson <rth@cygnus.com>
4852 * c-decl.c (c_expand_body): Call mark_varargs before
4853 expand_function_start.
4855 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4857 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
4858 * config/rs6000/eabi-ci.asm: Likewise.
4860 2000-09-18 Richard Henderson <rth@cygnus.com>
4862 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
4865 2000-09-18 Jim Wilson <wilson@cygnus.com>
4867 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
4868 before passing it to fold_rtx_mult_add.
4870 * unroll.c (final_giv_value): Pass increment through
4871 extend_value_for_giv before passing it to emit_iv_add_mult.
4873 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
4874 paradoxical subreg, then directly substitute the replacement and
4877 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
4879 * cpp.texi: Update documentation, including some clarifications,
4880 the treatment of various newline combinations, and space between
4881 backslash and newline.
4883 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4885 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
4886 Replace ASM_OUTPUT_LABELREF with assemble_name.
4888 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4890 * sh.c (addsubcosts): CONST is not cheap.
4891 (find_barrier): For Sh1, take alignment after jumps into account.
4893 2000-09-15 Andrew Haley <aph@redhat.com>
4895 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
4896 remove all SETs of SUBREGs of hard registers.
4897 * function.c (purge_hard_subreg_sets): New function.
4898 (purge_single_hard_subreg_set): New function.
4899 * rtl.h: (purge_hard_subreg_sets): New function.
4901 2000-09-18 Richard Henderson <rth@cygnus.com>
4903 * config/ia64/ia64-protos.h: Update.
4904 * config/ia64/ia64.c (signed_inequality_operator): New.
4905 (ia64_expand_compare): New.
4906 (ia64_register_move_cost): Handle PR_REGS moves.
4907 (ia64_secondary_reload_class): Require a GR when moving to a PR.
4908 (struct reg_write_state): Add written_by_and/or.
4909 (struct reg_flags): Add is_and/or.
4910 (rws_update): Set them.
4911 (rws_access_regno): Test them to allow parallel comparisons.
4912 (rtx_needs_barrier): Recognize parallel comparisons.
4913 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
4914 Call recog_memoized; ignore pred_rel_mutex.
4915 (emit_predicate_relation_info): Don't call find_basic_blocks here.
4916 (ia64_reorg): Do it here instead.
4917 * config/ia64/ia64.h: s/CCmode/BImode/g
4918 (MODES_TIEABLE_P): Don't tie BImode.
4919 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
4920 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
4921 (RTX_COSTS): Make multiply 4 insns.
4922 (MEMORY_MOVE_COST): New.
4923 (PREDICATE_CODES): Update.
4924 * config/ia64/ia64.md: s/CCmode/BImode/g
4925 (movcci, movbi): New.
4926 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
4927 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
4928 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
4929 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
4930 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
4931 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
4932 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
4933 (mulsi, muldi): Use xmpy not xma.
4935 (movcc, movcc_internal): Remove.
4936 (branch expanders): Use ia64_expand_compare.
4937 (setcc expanders): Likewise.
4938 (cmov insns): Use move_operand and ia64_move_ok.
4939 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
4940 scheduler from moving it past a use.
4941 * config/ia64/build.hacks: Remove.
4943 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
4945 * cpphash.h (HASHSTEP): Take character rather than pointer
4947 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
4949 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
4951 * cpplex.c (auto_expand_name_space, trigraph_replace,
4952 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
4953 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
4954 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
4955 KNOWN_DIRECTIVE): Delete.
4957 (handle_newline, check_long_token, skip_escaped_newlines,
4958 unterminated): New functions.
4959 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
4961 (parse_identifier): Was parse_name, new implementation.
4962 (skip_line_comment, skip_block_comment, skip_whitespace,
4963 parse_number, parse_string, trigraph_ok, save_comment,
4964 adjust_column, _cpp_get_line): New implementations.
4966 (lex_token): New function. Lexes a token at a time, looking
4967 forwards. Contains most of the guts of the old lex_line.
4968 (lex_line): New implementation, using lex_token to obtain
4970 (cpp_scan_buffer): Use the token's line, not the list's line.
4972 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
4973 New implementations.
4974 (do_assert): Don't bother setting the answer's list's line.
4975 (cpp_push_buffer): Initialise new pfile and read_ahead members
4976 of struct cpp_buffer.
4978 * cpplib.h (cppchar_t): New typedef.
4979 (struct cpp_buffer): read_ahead, pfile and col_adjust are
4981 (struct lexer_state): New structure that determines the state
4982 and behaviour of the lexer.
4983 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
4984 (struct cpp_reader): New member "state". Rename
4985 multiline_string_line and multiline_string_column. Delete
4986 col_adjust, in_lex_line members.
4987 (CPP_BUF_COLUMN): Update.
4989 2000-09-18 Richard Henderson <rth@cygnus.com>
4991 * combine.c (simplify_comparison): Shift a NOT out of a single
4994 * combine.c (if_then_else_cond): Canonicalize BImode true to
4996 * explow.c (trunc_int_for_mode): Likewise.
4998 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
4999 the NOT for De Morgan's rule.
5000 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
5001 of a comparison to the reverse comparison.
5003 * combine.c (try_combine): Allow split to create a single insn.
5005 * machmode.def: Add BImode. Add a column for bitsize.
5006 * machmode.h (DEF_MACHMODE): Adjust for extra column.
5007 (GET_MODE_BITSIZE): Use it.
5008 * rtl.c (DEF_MACHMODE): Adjust for extra column.
5009 (mode_bitsize): New.
5010 (mode_mask_array): Use bitsize.
5011 * combine.c (combine_simplify_rtx): Require inner and outer
5012 modes to match on nonzero_bits optimizations.
5014 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5016 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
5017 its entry in spill_reg_store.
5018 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
5019 * sh.c (reg_no_subreg_operand): New function.
5020 * sh-protos.h (reg_no_subreg_operand): Declare it.
5021 * sh.h (PREDICATE_CODES): Add it.
5022 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
5023 input operand that needs to be in fpul.
5024 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
5025 * sh.c (find_barrier): Take into account that machine_dependent_reorg
5026 might add new insns.
5028 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
5030 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
5032 (sh_expand_epilogue): Take the PIC register into account when
5033 computing the frame size.
5035 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
5036 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
5037 LABEL_REFs with a PIC-safe unspec.
5039 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5041 * c-common.c (check_format_info): Properly save the argument
5042 number and parameter for $ operand number formats in case width
5043 and precision arguments are also used. Allow printf width and
5044 precision arguments to have operand numbers even if none was
5045 specified for the main format, since this is OK for %*.*m. Only
5046 object to missing $ operand number if the format used requires an
5049 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5051 * c-common.c (format_char_info): Add 'W' flag to comment.
5052 (print_char_table, scan_char_table): Use it.
5053 (check_format_info): Use the 'W' flag to determine whether a
5054 format argument is written into.
5056 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5058 * c-common.c (check_format_types): Reorganise and clean up,
5059 checking earlier for ERROR_MARKs and making cur_type into its
5060 TYPE_MAIN_VARIANT where convenient.
5062 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5064 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
5066 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5068 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
5070 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
5071 * i386.c (struct builtin_description): New.
5072 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
5073 (mmx_reg_operand): Declare MODE arg as unused.
5074 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
5075 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
5076 ix86_expand_binop_builtin, ix86_expand_store_builtin,
5077 ix86_init_builtins, ix86_expand_builtin): New functions.
5078 * i386.h (ix86_builtins): New enumeration.
5079 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
5080 * i386.md (attr length_immediate): 0 for mmx/sse types.
5081 (attr prefix_0f): 1 for mmx/sse types.
5082 (setcc_2): Remove "*" so we get gen_setcc_2.
5083 (emms): Account for changed register numbering. Set "memory" attr
5085 (sfence): Set "memory" attr to unknown.
5087 2000-09-18 Andreas Jaeger <aj@suse.de>
5089 * configure.in: Define _GNU_SOURCE only when using the GNU C
5091 * configure: Regenerated.
5092 * config.in: Regenerated.
5094 2000-09-17 Mark Mitchell <mark@codesourcery.com>
5096 * cppinit.c (cpp_init): Don't use ANSI prototypes.
5097 * flow.c (flow_dump_loop): Likewise.
5098 (flow_loops_dump): Likewise.
5100 * c-typeck.c (c_start_case): Fix typo.
5102 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5104 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
5105 to int for plain complex which defaults to complex double. Do
5106 warn about defaulting to complex double if pedantic. Warn about
5107 complex integer types if pedantic. Warn about complex types if
5108 pedantic and not in C99 mode.
5109 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
5110 for complex conjugation.
5112 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5114 * contrib.texi: Update my entry.
5116 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
5118 * config/avr/avr.md (mcu_enhanced): New attribute.
5119 (mcu_mega): Likewise.
5120 (extendhisi2): Use mcu_enhanced.
5121 (zero_extendhisi2): Likewise.
5122 (call_insn): Use mcu_enhanced and mcu_mega.
5123 (call_value_insn): Likewise.
5124 (*sbrx_branch): Use mcu_mega.
5125 (*sbrx_and_branchsi): Likewise.
5126 (*sbrx_and_branchhi): Likewise.
5127 (*tablejump_lib): Likewise.
5129 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5131 * alias.c (true_dependence): Allow non-unchanging read to conflict
5132 with unchanging write.
5134 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
5135 (store_constructor): Pass alias_set to it.
5137 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
5138 TYPE_MAIN_VARIANT of ERROR_MARK.
5139 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
5141 * simplify-rtx.c (simplify_unary_operation): Add cases
5142 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
5144 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
5146 * expr.h (emit_library_call, emit_library_call_value): Delete
5148 * rtl.h (enum libcall_type): New.
5149 (emit_library_call, emit_library_call_value): Change fn_type arg to
5150 be of type enum libcall_type.
5151 * calls.c: Likewise for the function definitions. Several callers
5152 throughout changed to use the new enumeration appropriately.
5153 (emit_library_call_value_1): Likewise. Put back code to make libcall
5154 blocks of equal form, but only use it for the two new higher
5157 2000-09-16 Mark Mitchell <mark@codesourcery.com>
5159 Convert the C front-end to use function-at-a-time mode.
5160 * c-common.h: Include splay-tree.h.
5161 (C_DECLARED_LABEL_FLAG): New macro.
5162 (struct language_function): Add x_scope_stmt_stack and
5163 x_function_name_declared_p.
5164 (RECHAIN_STMTS): Move definition.
5165 (lang_statment_code_p): Likewise.
5166 (lang_expand_stmt): Likewise.
5167 (lang_expand_decl_stmt): New variable.
5168 (lang_expand_function_end): Likewise.
5169 (current_scope_stmt_stack): New function.
5170 (add_decl_stmt): Likewise.
5171 (add_scope_stmt): Likewise.
5172 (mark_stmt_tree): Likewise.
5173 (struct c_lang_decl): New structure.
5174 (DECL_SAVED_TREE): Define.
5175 (c_mark_lang_decl): New function.
5176 (c_expand_start_cond): Change prototype.
5177 (c_finish_then): New function.
5178 (c_finish_else): Likewise.
5179 (current_function_name_declared): Remove.
5180 (set_current_function_name_declared): Likewise.
5181 (mark_c_language_function): Declare.
5182 (case_compare): Likewise.
5183 (c_add_case_label): Likewise.
5184 (c_expand_expr): Likewise.
5185 (c_safe_from_p): Likewise.
5186 * c-common.c (lang_expand_function_end): New variable.
5187 (struct if_elt): Add if_stmt.
5188 (c_expand_start_cond): Add the if-statement to the statement-tree,
5189 rather than generating RTL.
5190 (c_finish_then): New function.
5191 (c_expand_start_else): Don't generate RTL.
5192 (c_finish_else): New function.
5193 (c_expand_expr_stmt): Don't generate RTL.
5194 (statement_code_p): Add SCOPE_STMT.
5195 (case_compare): New function.
5196 (c_add_case_label): Likewise.
5197 (mark_stmt_tree): Likewise.
5198 (c_mark_lang_decl): Likewise.
5199 (mark_c_language_function): Likewise.
5200 (c_expand_expr): Likewise.
5201 (c_safe_from_p): Likewise.
5202 * c-decl.c (c_stmt_tree): New variable
5203 (c_scope_stmt_stack): Likewise.
5204 (c_function_name_declared_p): Likewise.
5205 (lang_expand_expr_stmt): Remove.
5206 (poplevel): Don't call output_inline_function for nested
5208 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
5210 (redeclaration_error_message): Change means of computing whether
5211 or not a function is nested.
5212 (lookup_label): Don't call label_rtx.
5213 (init_decl_processing): Add more GC roots.
5214 (start_decl): Add DECL_STMTs to the statement-tree, rather than
5215 calling rest_of_decl_compilation.
5216 (finish_decl): Don't call expand_decl.
5217 (store_parm_decls): Begin the statement-tree, but don't generate
5219 (finish_function): Tie off the statement-tree. Call c_expand_body
5221 (c_expand_body): New function.
5222 (push_c_function_context): Save more information.
5223 (pop_c_function_contxt): Likewise.
5224 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
5225 (lang_mark_tree): Mark it.
5226 (current_stmt_tree): Adjust.
5227 (current_scope_stmt_stack): New function.
5229 (set_current_name_declared): Likewise.
5230 (c_begin_compound_stmt): Define.
5231 (c_expand_decl_stmt): Likewise.
5232 * c-lang.c: Include rtl.h and expr.h.
5233 (lang_init): Set more language-specific hooks.
5234 * c-lex.c: Include expr.h.
5235 * c-parse.in: Changes throughout to add statements to the
5236 statement-tree, rather than generating RTL after every statement.
5237 * c-semantics.c (lang_expand_decl_stmt): Define.
5238 (add_decl_stmt): New function.
5239 (add_scope_stmt): Likewise.
5240 (finish_stmt_tree): Tweak.
5241 (genrtl_expr_stmt): Likewise.
5242 (genrtl_decl_stmt): Handle local labels, and call
5243 lang_expand_decl_stmt if required.
5244 (genrtl_for_stmt): Fix line-number handling.
5245 (genrtl_case_label): Handle cleanups.
5246 (genrtl_asm_stmt): Don't call combine_strings.
5247 (genrtl_compound_stmt): Simplify.
5248 (expand_stmt): Handle SCOPE_STMTs.
5249 * c-tree.h (struct lang_decl): New structure.
5250 (C_DECLARED_LABEL_FLAG): Remove.
5251 (c_begin_compound_stmt): Declare.
5252 (c_expand_decl_stmt): Likewise.
5253 (c_expand_start_case): Rename to c_start_case.
5254 (c_finish_case): New function.
5255 * c-typeck.c (start_init): Tweak setting of
5256 constructor_incremental.
5257 (c_expand_asm_operands): Tweak error-handling. Add to the
5259 (c_expand_return): Add to the statement-tree.
5260 (c_expand_start_case): Rename to ...
5261 (c_start_case): ... this.
5262 (struct c_switch): New type.
5263 (switch_stack): New variable.
5264 (do_case): Simplify.
5265 (c_finish_case): New function.
5266 * dependence.c: Include expr.h.
5267 (enum dependence_type): Change spelling of enumerals.
5268 (check_node_dependence): Adjust.
5269 * expr.h (lang_safe_from_p): Declare.
5270 (safe_from_p): Likewise.
5271 * expr.c (lang_safe_from_p): New variable.
5272 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
5273 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
5274 * toplev.c (rest_of_decl_compilation): Robustify.
5275 * tree.c (contains_placeholder_p): Likewise.
5276 * Makefile.in: Update dependencies.
5277 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
5278 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
5279 (objc_expand_function_end): New function.
5280 (finish_method_def): Use it.
5281 (init_objc): Initialize more language-specific hooks.
5282 * objc/Make-lang.in: Update dependencies.
5284 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
5286 * configure.in: Define macros that affect features before
5287 testing for features. Don't define _XOPEN_SOURCE.
5288 * configure: Regenerated.
5289 * config.in: Regenerated.
5291 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
5293 * rtlanal.c (rtx_varies_p): Volatile asms vary.
5294 (rtx_unstable_p): Restructure code. Volatile asms
5297 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5299 * function.h (no_debugging_symbols): New field.
5300 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
5301 Initialize no_debugging_symbols.
5302 (output_inline_function): Save and restore write_symbols and set from
5303 no_debugging_symbols.
5304 * toplev.c (rest_of_compilation): Call save_for_inline.
5305 * tree.h: Update comment.
5307 * stor-layout.c (place_field): Don't do anything if field or
5308 its type are ERROR_MARK.
5310 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
5312 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
5313 (read_include_file): Ensure inc->mmaped is initialized.
5315 2000-09-16 Richard Henderson <rth@cygnus.com>
5317 * cppiles.c (purge_cache): Use PTR not caddr_t.
5319 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
5321 * gcc.c: In description for %{<S}, say the option removed is -S.
5322 * invoke.texi (Spec Files): Ditto.
5324 2000-09-16 Andreas Jaeger <aj@suse.de>
5326 * configure.in: Always define _GNU_SOURCE to make interfaces
5327 visible that were hidden by only defining _GNU_SOURCE.
5328 * configure: Regenerated.
5330 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
5332 * cpplex.c (push_macro_context): Set an argument's level after
5333 calling parse_args. We could loop infinitely otherwise.
5335 2000-09-15 Tom Tromey <tromey@cygnus.com>
5337 * configure, config.in: Rebuilt.
5338 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
5340 2000-09-15 Greg McGary <greg@mcgary.org>
5342 * cppmacro.c (check_trad_stringification): Check token
5343 text pointers against limit before dereferencing.
5345 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
5347 * c-common.c (format_wanted_type): New structure.
5348 (check_format_types): New function.
5349 (check_format_info): Pass all checking of types of format
5350 arguments, including width and precision arguments, to this new
5353 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5355 * BUGS: Remove file.
5357 2000-09-15 Jakub Jelinek <jakub@redhat.com>
5359 * config/alpha/alpha.c (override_options): ev6 cache latencies
5360 from Richard Henderson. Don't allow -mmemory-latency=L0.
5362 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
5363 (TARGET_OPTIONS): Add tune=.
5364 (alpha_tune_string): Declare.
5365 * config/alpha/alpha.c (override_options): Add cpu_table.
5366 Use alpha_cpu_string first to set both alpha_cpu and target_flags
5367 and then alpha_tune_string to set alpha_cpu only.
5368 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
5369 * config/alpha/elf.h (ASM_FILE_START): Likewise.
5370 * config/alpha/osf.h (ASM_FILE_START): Likewise.
5371 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
5373 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5375 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
5377 (ix86_comparison_operator, ix86_cc_mode): Declare
5378 * i386.h (CCGC, CCGCO): New modes.
5379 (SELECT_CC_MODE): Move offline to ....
5380 * i386.c (ix86_cc_mode): .... here; use new modes.
5381 (ix86_comparison_operator): New.
5382 (fcmov_comparison_operator): Ensure proper mode.
5383 (put_condition_mode): More sanity checking.
5384 (ix86_match_ccmode): Handle new modes.
5385 (ix86_expand_fp_compare): GEU requires CCmode.
5386 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
5388 * i386.md (cmp?i_ccz_1): Remove
5389 (cmp?i_ccno_1): Use ix86_match_ccmode.
5390 (cmp?i_minus_1): New.
5391 (cmpsi_1): New expander.
5392 (cmpqi_ext_1): Use match_ccmode
5393 (cmpqi_ext_3): New expander.
5394 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
5395 (cmpqi_ext_4): Use match_ccmode.
5396 (add?i_?): Use match_ccmode.
5398 (test?i_ccz_1): Remove
5400 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
5401 (testqi_ext_0): Use ix86_match_ccmode.
5402 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
5403 (xorqi_cc_ext_1): New expander.
5404 (shift patterns): Use CCGOCmode for all shifts except for sar.
5405 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
5406 (setcc_3, jcc_3, miv?icc_c): Remove.
5408 2000-09-15 Will Cohen <wcohen@redhat.com>
5410 * dwarf2out.c (add_const_value_attribute): Changed array into a
5411 xmalloced object, so it exists after function exit.
5412 (free_AT): Added case for dw_val_class_float to free allocated
5415 2000-09-15 Kazu Hirata <kazu@hxi.com>
5417 * config/i386/i386.md: Fix a comment typo.
5418 * gcc.c: Fix formatting.
5420 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5422 * optabs.c (emit_libcall_block): If target is a user variable,
5423 copy to a temporary first.
5424 * expr.c (convert_move): When generating a libcall, make a libcall
5426 * calls.c (emit_library_call_value_1): Don't create a libcall
5427 sequence here; our caller will in most cases do it.
5429 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
5431 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
5432 * sh.md (reload_outsf): Generate recognizable patterns for
5434 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
5435 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
5436 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
5437 truncdfsf2_i4): Change not to use explicit references to fpul.
5438 (floatsisf2_ie): Remove USE of fpscr.
5439 (floatsisf2): Change default expansion to match this.
5440 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
5443 2000-09-15 Richard Henderson <rth@cygnus.com>
5445 * expmed.c (store_bit_field): Consider naturally aligned
5446 memory for direct reference.
5448 2000-09-15 Richard Henderson <rth@cygnus.com>
5450 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
5451 AND addresses into alias set 0.
5452 (alpha_expand_unaligned_store): Likewise.
5453 (alpha_expand_unaligned_load_words): Likewise.
5454 (alpha_expand_unaligned_store_words): Likewise.
5456 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5458 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
5459 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
5461 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
5462 rsize of UNITS_PER_WORD.
5464 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
5466 * cpplex.c (ON_REST_ARG): Correct the test.
5467 (maybe_paste_with_next): Duplicate a token that fail pasting,
5468 and clear its PASTE_LEFT flag, so that nested pasting attempts
5471 2000-09-14 Richard Henderson <rth@cygnus.com>
5473 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
5474 * cse.c (rtx_cost): Likewise.
5475 * optabls.c (expand_binop): Likewise.
5476 (expand_twoval_binop, prepare_cmp_insn): Likewise.
5477 * regclass.c (copy_cost): Likewise.
5478 * reload1.c (reload_cse_move2add): Likewise.
5480 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
5482 * c-parse.in (reswords): Add _Complex.
5484 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5486 * gcc.1: Delete documentation for -undef preprocessor option.
5488 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
5490 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5491 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
5492 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5493 Remove undefine before config/elfos.h.
5494 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
5496 2000-09-14 Kazu Hirata <kazu@hxi.com>
5498 * invoke.texi (H8/300 Options): Add -ms2600.
5499 * config/h8300.c (h8300_init_once): Output an error when -ms2600
5500 is used without -ms.
5501 * config/h8300.h (TARGET_MAC): New.
5502 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
5503 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
5504 machine other than H8/S2600.
5505 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
5508 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
5510 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
5511 pseudos that refer to the original pseudos, not only to their
5512 equivalent memory locations.
5514 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5516 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
5517 when making new MEM.
5519 * Makefile.in (LN): Remove duplicate definition.
5521 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5523 From Joern Rennecke:
5524 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
5525 on an insn and function_invariant_p returns nonzero for the source,
5526 add a REG_EQUAL note.
5528 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
5530 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
5531 conflict with frame_pointer_rtx.
5533 2000-09-13 Kazu Hirata <kazu@hxi.com>
5535 * loop.c: Fix formatting.
5538 2000-09-13 Richard Henderson <rth@cygnus.com>
5540 * config/ia64/ia64.md (divsf3): New.
5541 (divsf3_internal_lat, divsf3_internal_thr): New.
5542 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
5543 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
5544 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
5545 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
5546 (nmadddf4_alts, nmadddf4_trunc): New.
5547 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
5548 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
5549 (multf3_truncsf_alts, multf3_truncdf_alts): New.
5550 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
5551 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
5552 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
5553 (nmaddtf4_truncdf_alts): New.
5554 (recip_approx): Don't predicate.
5556 2000-09-13 Richard Henderson <rth@cygnus.com>
5558 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
5560 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5562 * flags.h (flag_dump_rtl_in_asm): Declare.
5563 * toplev.c (flag_dump_rtl_in_asm): Define.
5564 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
5565 if -dP is specified.
5566 * rtl.h (print_rtx_head): Declare.
5567 * print-rtl.c (print_rtx_head): Define.
5568 (print_rtx): Print the string pointed to by print_rtx_head
5569 at beginning of each dump line.
5570 (print_rtl): Likewise.
5571 (print_rtl_single): Likewise.
5572 * final.c (final_scan_insn): Dump the insn in the assembly
5574 * gcc.1: Document -dP option.
5575 * invoke.texi (Debugging Options): Likewise.
5577 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5579 * md.texi (Machine Constraints): Document the 68HC11 constraints.
5580 * install.texi (Configurations): Document the 68HC11&68HC12 port.
5581 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
5583 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
5585 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
5586 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
5587 (*clrstrqi): Likewise.
5588 (xorhi3,xorsi3,absqi2): Likewise.
5589 (one_cmplhi2,one_cmplsi2): Likewise.
5590 (addsi3): Two stupid constraint alternatives removed.
5591 (extendhisi2): Use `movw' for enhanced avr cores.
5592 (zero_extendhisi2): Likewise.
5594 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
5596 * alias.c (find_base_term): Use frame_pointer_rtx
5597 when handling an ADDRESSOF.
5599 * cse.c (canon_hash): Handle USE of BLKmode memory.
5600 (cse_insn): Outgoing arguments for a libcall don't
5601 affect any recorded expressions.
5603 2000-09-12 Tom Tromey <tromey@cygnus.com>
5605 * configure, config.in: Rebuilt.
5606 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
5608 2000-09-12 Jakub Jelinek <jakub@redhat.com>
5610 * c-lex.c (lex_string): Use charwidth to compute bytemask.
5611 * expr.c (expand_expr): Don't optimize constant array references
5612 initialized with wide string constants.
5614 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5616 * loop.c (note_set_pseudo_multiple_uses): Correct.
5618 2000-09-12 Jim Wilson <wilson@cygnus.com>
5620 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
5621 else block, and X has side-effects, then fail.
5623 2000-09-12 Greg McGary <greg@mcgary.org>
5625 * config/mips/mips-protos.h
5626 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
5627 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
5628 (PREDICATE_CODES): Add "trap_cmp_op".
5629 * config/mips/mips.c
5630 (trap_cmp_op, mips_gen_conditional_trap): New functions.
5631 * config/mips/mips.md (trap, conditional_trap): New patterns.
5633 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5635 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
5638 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5640 * builtins.c (built_in_decls): New array.
5641 (expand_builtin_fputs): New function.
5642 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
5644 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
5646 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
5648 * tree.h (built_in_decls): New array.
5650 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
5652 * convex.md: Use "+" instead of "=" for outputs wrapped in a
5654 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
5656 2000-09-12 Kazu Hirata <kazu@hxi.com>
5658 * haifa-sched.c: Fix formatting.
5660 * genattrtab.c: Fix formatting.
5662 * unroll.c: Fix formatting.
5664 2000-09-12 Bruce Korb <bkorb@gnu.org>
5666 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
5667 remove obsolete code
5668 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
5669 * fixinc/fixincl.tpl: make non-exported arrays static scope
5670 * fixinc/fixincl.x: regenerate
5671 * fixinc/fixlib.h: Use PARAMS, not _P_
5672 * fixinc/fixtests.c: make a type for the test proc & use it
5673 * fixinc/server.h: Use PARAMS, not _P_
5675 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5677 * c-typeck.c (process_init_element): Avoid union init warnings on
5678 floating point zero. Don't crash on unions containing structs.
5680 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
5682 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
5683 general_movsrc_operand, and remove CONST_INT from
5684 general_movdst_operand.
5686 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5688 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
5689 if a reference to non-fixed hardreg is seen. Otherwise, count hard
5690 regs with a higher cost.
5691 (preferrable): Deal with cases where either cost or regcost is
5693 (cse_insn): Use MAX_COST rather than 10000. Always initialize
5695 (COSTS_N_INSNS): Move definition...
5697 (MAX_COST): New macro.
5698 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
5701 2000-09-11 Mark Mitchell <mark@codesourcery.com>
5703 * c-common.h (genrtl_clear_out_block): Remove.
5704 * c-semantics.c (genrtl_clear_out_block): Remove.
5705 (genrtl_while_stmt): Don't call it.
5706 (genrtl_for_stmt): Likewise.
5708 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5710 * cppfiles.c: Move all default-#defines to top of file.
5711 (open_include_file): Replace by lookup_include_file.
5712 (read_with_read, read_file): Merged into read_include_file.
5713 (stack_include_file, purge_cache): New functions.
5714 (close_cached_fd): Delete.
5715 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
5716 Cache the in-memory buffer, not the file descriptor.
5718 * cpphash.h (struct include_file): Add buffer, st, refcnt,
5720 (xcnew): New utility macro.
5721 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
5722 * cpplib.h (struct cpp_buffer): Remove mapped field.
5724 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5726 * cpplex.c (parse_string): Accept backslash space newline as a
5728 (lex_line): Likewise.
5729 (_cpp_get_token): Remove hard limit on macro nesting.
5731 2000-09-12 Philipp Thomas <pthomas@suse.de>
5733 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
5734 * configure: Rebuilt.
5736 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5738 * flow.c (split_block): Fix update of registers live at
5741 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5743 * i386.md (add?i_3, add?i_5): New.
5744 (add?i_4): Rename from add?i_3; Fix compare pattern.
5745 (sub?i_3, xor?i_3, ior?i_3): New.
5747 * genrecog.c (write_tree): Output code to clear insn_extract cache.
5748 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
5749 instead of extract_insn and extract_constrain_insn_cache instead of
5750 extract_insn and constrain_operands.
5751 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
5753 (extract_insn): Clear which_alternative.
5754 (constrain_operands): Set which_alternative to -1 when failed.
5755 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
5758 2000-09-11 Matthew Hiller <hiller@redhat.com>
5760 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
5761 on operand 0 to '+'.
5762 (movstricthi): Likewise.
5764 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5766 * loop.h (LOOP_IVS): New macro.
5767 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
5768 (struct loop_ivs): New.
5769 (struct loop_info): Add ivs field.
5770 (reg_iv_type, reg_iv_info): Delete prototype.
5771 (reg_biv_class, loop_iv_list): Likewise.
5772 * loop.c (record_biv, find_life_end): Pass loop argument.
5773 (reg_iv_type): Remove global array and use
5774 field in loop_regs structure within loop_ivs structure.
5775 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
5776 (first_increment_giv, last_increment_giv): Use entry in
5778 (record_initial): Pass ivs pointer.
5779 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
5781 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5783 * loop.h (LOOP_REGS): New macro.
5784 (struct loop_regs): New.
5785 (struct loop_info): Add regs field.
5786 * loop.c (set_in_loop): Remove global array and store
5787 in loop_regs structure as part of loop_info structure.
5788 (n_times_set, may_not_optimize): Likewise.
5789 (reg_single_usage, moved_once): Likewise.
5790 (count_one_set): Add regs argument.
5791 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
5792 (set_pseudo_multiple_uses): Pass regs pointer.
5794 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5796 * unroll.c (iteration_info): Subsume into loop_iterations.
5797 * loop.h (loop_info): New field iv.
5799 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5801 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
5802 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
5803 (flow_loops_update): New prototype.
5804 (flow_loops_find): Add flags to prototype.
5805 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
5806 * flow.c (flow_loop_pre_header_scan): New.
5807 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
5808 (flow_loop_free): Free pre-header root and trace and exit dominators.
5809 (flow_loops_find): New argument flags.
5810 (flow_loops_update): New function.
5811 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
5813 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5815 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
5816 * flow.c (split_block, update_bb_for_insn): New functions.
5818 2000-09-11 Richard Henderson <rth@cygnus.com>
5820 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
5822 2000-09-11 Richard Henderson <rth@cygnus.com>
5824 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
5825 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
5826 (ia64_override_options): Prevent optimizing division for both
5827 latency and throughput.
5828 (rtx_needs_barrier): Handle frcpa.
5829 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
5830 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
5831 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
5832 (TARGET_SWITCHES): Add -minline-divide-min-latency and
5833 -minline-divide-max-throughput.
5834 (PREDICATE_CODES): Update.
5835 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
5836 (zero_extendsidi2): Likewise. Fix typo in f case insn.
5837 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
5838 (extendsftf2): Likewise.
5839 (extenddftf2): Likewise.
5840 (fix_trunctfdi2_alts): New.
5841 (fixuns_trunctfdi2_alts): New.
5842 (madd*4): Rename from madd*3.
5843 (divsi3, modsi3, udivsi3, umodsi3): New.
5844 (divsi3_internal): New.
5845 (divdi3, moddi3, udivdi3, umoddi3): New.
5846 (divdi3_internal_lat, divdi3_internal_thr): New.
5847 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
5848 (recip_approx): New.
5850 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
5852 * print-rtl.c (debug_call_placeholder_verbose): New variable.
5853 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
5855 * integrate.c (copy_rtx_and_substitute): Don't share
5856 LEAF_REG_REMAPpable registers with the inlined function. Don't
5857 share the function value with calling sequences.
5859 2000-09-11 Jakub Jelinek <jakub@redhat.com>
5861 * c-decl.c (do_case): Fix a typo.
5863 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
5864 to a if the comparison is floating mode and not -ffast-math.
5865 * simplify-rtx.c (simplify_ternary_operation): Likewise.
5867 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5869 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
5870 gen_ic_invalidate_line.
5872 2000-09-11 Philip Blundell <pb@futuretv.com>
5874 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
5876 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
5878 * install.texi (LANGUAGES): Update to include new languages.
5881 2000-09-11 DJ Delorie <dj@redhat.com>
5883 * gcc.c (main): Don't warn about unused -B prefixes
5884 (unused_prefix_warnings): remove
5886 2000-09-11 Kazu Hirata <kazu@hxi.com>
5888 * final.c: Fix formatting.
5890 * integrate.c: Fix formatting.
5892 2000-09-11 Geoff Keating <geoffk@cygnus.com>
5894 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
5896 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
5898 * reload.c (regno_clobbered_p): Fix thinko in previous change.
5900 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5902 * gcc.1: Document 68hc11 specific options.
5904 2000-09-10 Geoff Keating <geoffk@cygnus.com>
5906 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
5907 (TARGET_LONG_DOUBLE_128): Define.
5908 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
5909 (LONG_DOUBLE_TYPE_SIZE): Redefine.
5910 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5911 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
5912 of __LONG_DOUBLE_128__.
5913 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
5915 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
5916 (CPP_SYSV_DEFAULT_SPEC): Define.
5917 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
5918 (INIT_TARGET_OPTABS): Define.
5920 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
5921 (RS6000_UITRUNC): Likewise.
5922 (INIT_TARGET_OPTABS): New macro.
5923 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
5924 (trunc_defined): Delete.
5925 (output_prolog): Don't output .extern definitions for fp->int
5926 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
5927 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
5928 (trunc_defined): Delete.
5929 (RS6000_ITRUNC): Moved to aix.h.
5930 (RS6000_UITRUNC): Likewise.
5931 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
5932 only emit a libcall.
5933 (fixuns_truncdfsi2): Delete.
5934 (trunc_call): Delete.
5935 (trunc_call_rtl): Delete.
5937 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5939 * varasm.c (make_decl_rtl): Restore leading star on
5940 DECL_ASSEMBLER_NAME set for decls with an asmspec.
5942 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5944 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
5945 won't give a spurious error for '#pragma pack()'. Simplify
5946 control flow for readability. 'reset' action is not necessary.
5948 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5950 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
5951 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
5952 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
5953 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
5955 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
5956 profile.c, sdbout.c, tradcif.y, tree.c:
5957 Include defaults.h if not already included.
5958 Don't define the above macros.
5960 * Makefile.in: Update dependencies.
5962 2000-09-10 Mark Mitchell <mark@codesourcery.com>
5964 * c-common.h (add_stmt): Change prototype.
5965 (RECHAIN_STMTS): New macro.
5966 (CASE_LABEL_DECL): Likewise.
5967 (genrtl_case_label): Change prototype.
5968 (c_expand_start_case): Remove prototype.
5969 (build_case_label): Change prototype.
5970 (decl_constant_value): Declare.
5971 * c-common.c (check_case_value): Handle C++'s extensions to C
5973 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
5975 * c-parse.in (stmt): Adjust handling of return statements and case
5977 * c-semantics.c (add_stmt): Return the new statement.
5978 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
5979 returned expression. Directly generate RTL, rather than calling
5981 (genrtl_switch_stmt): Don't call c_expand_start_case.
5982 (build_case_label): Take the LABEL_DECL as input, too.
5983 (genrtl_case_label): Just call add_case_node.
5984 (expand_stmt): Adjust calls to genrtl_return_stmt and
5986 * c-tree.h (c_expand_start_case): Declare.
5987 * c-typeck.c (decl_constant_value): Give it external linkage.
5988 (c_expand_return): Don't call expand_return or expand_null_return;
5989 use genrtl_return_stmt instead.
5990 * stmt.c (struct nesting): Remove num_ranges field.
5991 (add_case_node): Give it external linkage.
5992 (expand_start_case): Don't set num_ranges.
5993 (expand_start_case_dummy): Don't clear it.
5994 (pushcase): Rely on add_case_node to handle `default' labels.
5995 (add_case_node): Handle `default' labels.
5996 * tree.c (tree_int_cst_compare): New function.
5997 * tree.h (tree_int_cst_compare): Declare.
5998 (add_case_node): Likewise.
6000 2000-09-10 Richard Henderson <rth@cygnus.com>
6002 * c-parse.in: Revert last change.
6003 (init_reswords): Do not enter disabled keywords into the ridpointers
6004 table, modulo objc weirdness.
6005 (_yylex): Return the canonical spelling for a keyword.
6007 2000-09-10 Philip Blundell <philb@gnu.org>
6009 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
6010 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
6012 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
6014 * alias.c (find_base_term): Handle ADDRESSOF.
6015 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
6017 2000-09-10 Denis Chertykov <denisc@overta.ru>
6019 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
6020 outputting templates with many lines.
6022 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6024 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
6025 to decide whether 64-bit support must be generated.
6027 2000-09-10 Richard Henderson <rth@cygnus.com>
6029 * c-parse.in (asm patterns): Fix volatile check.
6031 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6033 * cppmacro.c (check_trad_stringification): New function.
6034 (save_expansion): If -Wtraditional, warn about stringification of
6037 2000-09-11 Michael Hayes <mhayes@cygnus.com>
6039 * loop.h (struct loop_mem_info): Move from loop.c
6040 (struct loop_info): Add fields store_mems, mems, mems_idx,
6041 mems_allocated, unknown_address_altered,
6042 unknown_constant_address_altered, num_mem_sets, and
6043 first_loop_store_insn.
6045 * loop.c (loop_store_mems): Replace with field in loop_info struct.
6046 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
6047 (unknown_address_altered, unknown_constant_address_altered): Likewise.
6048 (num_mem_sets): Likewise.
6049 (replace_loop_mems, replace_loop_regs): New.
6050 (struct loop_replace_args): New.
6051 (load_mems): Use replace_loop_mems.
6052 (try_copy_prop): Use replace_loop_regs.
6053 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
6055 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6057 * configure.in: Recognize m6811-elf and m6812-elf.
6058 * configure: Regenerate.
6060 2000-09-09 Geoff Keating <geoffk@cygnus.com>
6062 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
6065 2000-09-10 Michael Hayes <mhayes@cygnus.com>
6067 * loop.c (struct movables): New.
6068 (num_movables): Move into struct movables.
6069 (the_movables): Change type to struct movables.
6070 (ignore_some_movables): Change struct movable arg to struct movables.
6071 (force_movables, combine_movables, regs_match_p): Likewise.
6072 (rtx_equal_for_loop_p, move_movables): Likewise.
6073 (scan_loop): Change movables to be of type struct movables.
6074 Replace last_movable with field in movables structure.
6076 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
6078 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
6079 (init_pragma): Avoid warning if pfile happens to be unused.
6080 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
6081 define init_pragma to nothing. Always prototype
6082 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
6084 * c-lex.c (process_directive): Always call dispatch_pragma.
6085 Initialize entering_c_header to 0.
6087 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6089 * config/m68hc11/m68hc11.md: New file, machine description for
6091 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
6092 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
6093 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
6094 * config/m68hc11/m68hc11-protos.h: New file.
6095 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
6096 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
6097 * config/m68hc11/xm-m68hc11.h: New file, target defs.
6098 * config/m68hc11/larith.asm: New file, libgcc routines.
6100 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6102 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
6103 (FPBIT_FUNCS): Add _usi_to_sf.
6104 * config/fp-bit.c (usi_to_float): New function.
6105 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
6106 (usi_to_float): Add appropriate #define.
6108 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6110 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
6112 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
6113 * i386.md (attr "type"): Add sse and mmx types.
6114 (attr "memory"): Handle them without a crash.
6115 (movsi_1, movdi_2): Allow MMX regs.
6116 (movdi splits): Don't split moves involving MMX regs.
6117 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
6118 (movv4sf_internal, movv4si_internal, movv8qi_internal,
6119 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
6120 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
6121 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
6122 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
6123 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
6124 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
6125 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
6126 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
6127 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
6128 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6129 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6130 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
6131 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
6132 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6133 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6134 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
6135 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
6136 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
6137 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
6138 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
6139 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6140 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6141 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
6142 mmx_clrdi): New patterns.
6144 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
6146 * arm.c: Don't include tm.h directly.
6148 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
6150 * recog.c (validate_replace_rtx_1): Fix confusion about equality
6151 testing; simplify subregs of constants and nested subregs.
6153 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
6155 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
6157 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6159 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
6161 * rtl.texi (description of USE): Add note about possible pitfalls
6163 From Richard Henderson:
6164 * reload1.c (choose_reload_regs): Compute need_mode properly.
6166 2000-09-07 Richard Henderson <rth@cygnus.com>
6168 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6169 (__modsi3, __umodsi3): Likewise.
6170 (__udivsi3): Likewise. Normalize the TFmode values.
6172 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6174 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6176 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6179 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6181 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
6182 (cmpeqdi_t): Add output pattern.
6183 (cmpeqdi_t+1): Don't split when not optimizing.
6184 Restore proper splitting operation.
6186 2000-09-07 Richard Henderson <rth@cygnus.com>
6188 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
6189 do not call dispatch_pragma.
6191 2000-09-07 Jim Wilson <wilson@cygnus.com>
6193 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
6194 to CLASS_CANNOT_CHANGE_MODE.
6195 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
6196 mode classes are different.
6198 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6200 * cpplib.h (struct cpp_options): Add user_label_prefix member,
6201 left out of commit which removed cppulp.c.
6203 2000-09-07 Richard Henderson <rth@cygnus.com>
6205 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
6206 after switch for CASE_DROPS_THROUGH.
6208 2000-09-07 Richard Henderson <rth@cygnus.com>
6210 * loop.c (strength_reduce): Call check_ext_dependant_givs.
6211 Properly extend the biv initial value for the giv.
6212 (record_biv): Zero ext_dependant.
6213 (record_giv): New argument ext_val. Update all callers.
6214 (general_induction_var): Likewise.
6215 (consec_sets_giv): Likewise.
6216 (simplify_giv_expr): Likewise. Fill in ext_val if we find
6217 a sign-extend, zero-extend, or truncate.
6218 (combine_givs_p): Make sure modes are compatible.
6219 (check_ext_dependant_givs): New.
6220 (extend_value_for_giv): New.
6221 * loop.h (struct induction): Add ext_dependant.
6222 * unroll.c (iteration_info): Extend the biv initial value for the giv.
6223 (find_splittable_givs): Likewise.
6224 (final_giv_value): Likewise.
6226 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6228 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
6229 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
6230 definitions from cpplib.h.
6231 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
6233 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
6234 documentation for REGISTER_TARGET_PRAGMAS.
6236 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
6237 default-pragma callback to implement -Wunknown-pragmas if
6239 * c-parse.in: Move all includes to top of file.
6240 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
6242 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
6244 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
6246 * arm.h, arm-protos.h, arm.c,
6247 c4x.h, c4x-protos.h, c4x.c,
6248 h8300.h, h8300-protos.h, h8300.c,
6249 i370.h, i370-protos.h, i370.c,
6250 i960.h, i960-protos.h, i960.c,
6251 sh.h, sh-protos.h, sh.c,
6252 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
6253 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
6255 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
6256 multiple include guard.
6257 * i370.md (untyped_call): Use GEN_CALL.
6258 (umodsi3): Remove unused variable.
6259 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
6260 * v850.c (output_move_single, output_move_double): Constify
6262 (print_operand): Constify a char *.
6263 * v850.h (struct small_memory_info): Constify name member.
6265 2000-09-07 Kazu Hirata <kazu@hxi.com>
6267 * config/h8300.h: Fix comment typos.
6268 * config/h8300/h8300.md: Likewise.
6269 * config/h8300/lib1funcs.asm: Likewise.
6271 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
6273 * Makefile.in: Remove references to cppulp.{c,o}.
6274 * cppinit.c (initialize_builtins, cpp_start_read,
6275 cpp_handle_option): Update to use cpp_options structure.
6278 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
6280 * c-common.c (time_char_table): Allow %#b and %#h.
6282 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6284 * reorg.c (find_end_label): If the basic block reorder pass moves the
6285 return insn to some other place try to locate it again and put our
6286 end_of_function_label there.
6287 * reorg.c (relax_delay_slots): Check if find_end_label created a
6288 new label that invalidates the current optimazation.
6290 2000-09-07 Catherine Moore <clm@redhat.com>
6292 * unroll.c (unroll_loop): Check for unconditional jumps
6293 to loop continuation. Delete if n_iterations is 1.
6294 (ujump_to_loop_cont): New routine.
6296 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
6298 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
6300 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
6301 to handle multiword modes correctly. All callers and the declaration
6304 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6306 * c-common.h (prep_stmt): Declare.
6307 (lang_expand_stmt): Likewise.
6308 * c-decl.c (lang_expand_stmt): Remove.
6309 * c-semantics.c (lang_expand_stmt): Define.
6310 (prep_stmt): New function.
6311 (expand_stmt): Handle common statement types here.
6313 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
6315 * configure.in (sh-*-linux*): Added.
6316 * configure: Rebuilt.
6317 * config/sh/t-linux: New file.
6318 * config/sh/sh.h (USERMODE_BIT): Define.
6319 (TARGET_USERMODE): Likewise.
6320 (TARGET_SWITCHES): New switches for the bits above.
6321 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
6322 * config/sh/linux.h: New file.
6323 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
6324 underscore on linux.
6325 (L_sdivsi3, L_udivsi3): Define for linux.
6326 (L_ic_invalidate): Define.
6327 * invoke.texi (SH Options): Document -musermode.
6329 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
6331 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
6332 CSE unless generating PIC.
6334 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
6337 2000-09-06 H.J. Lu (hjl@gnu.org)
6339 * Makefile.in (clean_s1): Depend on stage_b.
6340 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
6341 stage2. They are used for "make compare".
6343 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6345 Move statement-tree facilities from C++ to C front-end.
6346 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
6347 (void_zero_node): New macro.
6348 (struct stmt_tree_s): New type.
6349 (stmt_tree): New typedef.
6350 (struct language_function): New type.
6351 (last_tree): New macro.
6352 (last_expr_type): Likewise.
6353 (walk_tree_fn): New typedef.
6354 (current_stmt_tree): New function.
6355 (begin_stmt_tree): Likewise.
6356 (add_stmt): Likewise.
6357 (finish_stmt_tree): Likewise.
6358 (statement_code_p): Likewise.
6359 (lang_statement_code_p): New variable.
6360 (walk_stmt_tree): New function.
6361 (STMT_IS_FULL_EXPR_P): New macro.
6362 * c-common.c (lang_statement_code_p): New variable.
6363 (c_common_nodes_and_builtins): Initialize void_zero_node.
6364 (statement_code_p): New function.
6365 (walk_stmt_tree): Likewise.
6366 * c-decl.c (language_function): Rename to ...
6367 (c_language_function): ... this. Include language_function.
6368 (push_c_function_context): Adjust accordingly.
6369 (pop_c_function_context): Likewise.
6370 (mark_c_function_context): Likewise.
6371 (current_stmt_tree): Define.
6372 * c-semantics.c (begin_stmt_tree): New function.
6373 (add_stmt): Likewise.
6374 (prune_unused_decls): Likewise.
6375 (finish_stmt_tree): Likewise.
6377 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6379 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
6381 2000-09-06 Kazu Hirata <kazu@hxi.com>
6383 * calls.c: Fix formatting.
6385 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
6387 * config/i386/i386.h (ADDRESS_COST): Fix typo.
6389 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6391 Integrated preprocessor.
6393 * Makefile.in: Remove all references to c-parse.gperf,
6394 c-gperf.h, and c-parse.h. Remove -d from yacc command line
6395 generating c-parse.c. Update dependencies.
6396 * c-parse.gperf, c-gperf.h: Delete.
6398 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
6399 yy_lim, or yy_get_token. Don't define get_directive_line if
6401 * c-common.h: Add multiple include guard. Define RID values
6402 for every keyword in C, C++, and Objective C. Put all the
6404 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
6405 * c-decl.c (c_decode_option): Handle -lang-objc here.
6406 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
6407 (grokdeclarator): Adjust for new RID scheme.
6408 (extract_interface_info): New stub.
6409 * c-lang.c: Don't declare yy_cur or parse_options.
6410 (lang_init_options): Call cpp_init. Don't call
6412 (lang_init): Don't call check_newline if USE_CPPLIB.
6414 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
6415 Elide lots of unnecessary code if USE_CPPLIB. Delete code
6416 rendered unnecessary by new architecture. Move routines not
6417 shared with C++ to c-parse.in. Maintain a local idea of the
6418 line number. Handle C++ as well as C.
6419 [USE_CPPLIB]: Declare and register callbacks for #ident and
6420 for entering/leaving files.
6421 (init_c_lex, c_lex): Are now the entry points to this file.
6422 (check_newline): Break out directive handling to
6424 (read_ucs, is_extended_char, utf8_extend_token): Moved here
6426 (readescape, parse_float): Overhaul.
6427 (lex_number, lex_string, lex_charconst): Break out of c_lex
6429 (get_fileinfo, update_header_times, dump_one_header,
6430 dump_time_statistics): New and/or moved here from C++.
6431 Support per-file data needed by C++ and per-header timing
6432 statistics (C++ only, at the moment).
6433 * c-lex.h: Update prototypes. Add multiple include guard.
6434 * c-tree.h (struct lang_identifier): Add rid_code field.
6435 (C_IS_RESERVED_WORD, C_RID_CODE): New.
6437 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
6438 reinit_parse_for_function and/or position_after_white_space.
6439 (save_filename, save_lineno): Look ahead before saving.
6440 (label -> identifier ':'): Save file and line before shifting ':'.
6441 (reservedwords): No need to call get_identifier.
6442 (init_parse, finish_parse, yyerror, yylex, yyprint,
6443 make_pointer_declarator): Are now here for C/ObjC.
6444 (rid_to_yy): Conversion table from RID constants to Yacc codes.
6446 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
6447 #pragma registry. Provide dummy implementation of that
6448 interface if !USE_CPPLIB.
6449 * c-pragma.h: Update to match.
6451 * flags.h: Add multiple include guard.
6452 (flag_detailed_statistics): Moved here from C++.
6453 * toplev.c: Define flag_detailed_statistics.
6455 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
6457 * timevar.def (TV_CPP, TV_LEX): New.
6458 * timevar.h: Add multiple include guard.
6460 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
6462 * objc/objc-act.c: Don't mention yy_cur or parse_options.
6463 Initialize cpplib properly. Force lineno to 0 after first
6464 call to check_newline. Don't handle -lang-objc here.
6465 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
6467 2000-09-06 David Edelsohn <edelsohn@gnu.org>
6469 * rs6000.md: Correct function unit definitions for cr_logical and
6471 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
6472 and use portable method for >=0 and floating point >=. Remove
6473 associated matchers.
6475 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6477 * extend.texi: Mark named return value extension as deprecated.
6479 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6481 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
6484 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
6486 * toplev.c (display_help): Fix thinko in documentation.
6488 * diagnostic.h (output_buffer::indent_skip): New fields.
6489 (output_indentation): New macro.
6491 * diagnostic.c (output_indent): New function.
6492 (output_set_prefix, clear_diagnostic_info): Use.
6493 (output_emit_prefix): Predict future indentation.
6495 2000-09-06 DJ Delorie <dj@redhat.com>
6497 * Makefile.in (stage_*): add more dependencies to ensure parallel
6498 builds build correctly
6500 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
6502 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
6503 not bootstrap-lean_f.
6505 2000-09-06 Andreas Schwab <schwab@suse.de>
6507 * mklibgcc.in: Emit rule for libgcc-stage-start.
6508 * Makefile.in (stage1-start, stage2-start, stage3-start,
6509 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
6511 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
6513 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
6514 (update_equiv_regs): Likewise, except for the mn10200 kludge.
6515 (combine_regs): Likewise.
6517 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
6518 * cse.c: Include "basic-block.h".
6519 (struct table_elt): New field REGCOST.
6520 (CHEAP_REG): Delete macro.
6521 (COST): Return 0 for REGs.
6522 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
6523 (notreg_cost): Return 0 for appropriate SUBREGs.
6524 (COSTS_N_INSNS): Return N * 2.
6525 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
6527 (CHEAPER): Use new function preferrable.
6528 (insert): Initialize REGCOST member.
6529 (find_best_addr): Use approx_reg_cost for estimation of register
6531 (cse_insn): Likewise.
6532 * loop.c (iv_add_mult_cost): New function.
6533 (add_cost, shift_cost, mult_cost): Delete variables.
6534 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
6535 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
6536 Make code that detects autoinc opportunities slightly less optimistic.
6537 (simplify_giv_expr): If expression contains other reg that is also a
6538 giv, only increment benefit if this is the only use of that reg.
6539 (consec_sets_giv): Take that change into account.
6540 (combine_givs): Slightly more verbose output.
6542 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
6543 not the cost of an equivalent shift.
6544 * sh-protos.h (addsubcosts): Declare.
6545 * sh.c (addsubcosts): New function.
6546 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
6547 (RTX_COSTS): Tweak. Use addsubcosts.
6548 (ADDRESS_COST): Return higher cost for reg+reg addressing.
6550 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6552 * config/rs6000/rs6000.c (validate_condition_mode): New function.
6553 (branch_comparison_operator): Call validate_condition_mode to
6554 abort rather than returning 0.
6555 (branch_positive_comparison_operator): New function.
6556 (scc_comparison_operator): Call validate_condition_mode to abort
6557 rather than returning 0.
6558 (ccr_bit): Call validate_condition_mode. Update for
6560 (print_operand): Delete %C modifier. Update %E case
6561 to use EQ bit not SO bit.
6562 (rs6000_reverse_condition): New function.
6563 (rs6000_generate_compare): New function.
6564 (rs6000_emit_sCOND): New function.
6565 (rs6000_emit_cbranch): New function.
6566 (output_cbranch): The length of a long branch insn is
6567 now only 8 bytes. Add validate_condition_mode. Use
6568 rs6000_reverse_condition. Remove cror generation.
6570 * config/rs6000/rs6000.h: Update comments.
6571 (PREDICATE_CODES): Add new predicate. Update codes used
6572 by branch_comparison_operator and scc_comparison_operator.
6573 * config/rs6000/rs6000-protos.h: Add prototypes for
6574 new external functions.
6575 * config/rs6000/rs6000.md: Add new scheduling parameters
6576 for cr_logical instructions. Change length of branch
6578 (bCOND patterns): Call rs6000_emit_cbranch.
6579 (sCOND patterns): Call rs6000_emit_sCOND.
6580 (branch patterns): Change lengths to 4.
6581 (cr logical patterns): New.
6583 2000-09-06 Richard Henderson <rth@cygnus.com>
6585 * config/i386/i386.md (call_pop): Fix test for setting
6586 current_function_uses_pic_offset_table.
6587 (call, call_value_pop, call_value): Likewise.
6589 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6591 * timevar.c (timevar_add): Delete.
6592 (timevar_get): Also count time since the selected timer was
6593 last updated. Do not examine the timevar stack if the
6594 selected timer is standalone.
6596 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6598 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
6600 2000-09-05 Jason Merrill <jason@redhat.com>
6602 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
6603 for 'extern' arrays.
6605 2000-09-05 Richard Henderson <rth@cygnus.com>
6607 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
6608 Eliminate final copy from non-trapping case.
6609 (__divdf3, __divsf3): Likewise.
6611 2000-09-05 Richard Henderson <rth@cygnus.com>
6613 * config/ia64/ia64.md (mulhi3): Fix typo last change.
6614 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
6616 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
6618 * Makefile.in: Restructure bootstrap stages to allow clean
6619 restart after failure.
6621 2000-09-05 Richard Henderson <rth@cygnus.com>
6623 * config/ia64.md (movsi and movdi patterns): Allow moves from
6624 8-bit constants to AR registers.
6626 2000-09-05 Richard Henderson <rth@cygnus.com>
6628 * config/ia64/ia64.md (mulhi3): New.
6630 2000-09-05 Richard Henderson <rth@cygnus.com>
6632 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
6633 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
6634 Optimization Guide, minimum latency alternative.
6635 (__moddi3, __udivdi3, __umoddi3): Likewise.
6636 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
6638 2000-09-05 Bruce Korb <bkorb@gnu.org>
6640 * fixinc/fixincl.c (load_file): always read header files
6641 with sizes that are a multiple of the page size.
6642 & use libiberty's getpagesize for determining that.
6644 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
6646 * gcse.c (hash_string_1): Add prototype.
6647 * cse.c (canon_hash_string): Likewise.
6649 2000-09-04 Craig Newell <CraigN@ieee.org>
6651 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
6653 2000-09-04 Andreas Schwab <schwab@suse.de>
6655 * Makefile.in (STAGESTUFF): Remove libgcc.
6656 (stage1-start, stage2-start, stage3-start): Copy the contents of
6657 the libgcc directory explicitly.
6658 (mostlyclean): Clean libgcc.
6660 2000-09-04 Andrew Haley <aph@redhat.com>
6662 * dwarf2out.c: (stack_adjust_offset): New prototype.
6664 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
6666 * combine.c (make_extraction): Fix rtx_cost comparison to
6669 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
6671 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
6672 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
6673 Add '*' to insn pattern name.
6675 2000-09-04 Jakub Jelinek <jakub@redhat.com>
6677 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
6678 use posn - 1 to index into tokens array.
6679 (maybe_paste_with_next): Adjust caller.
6681 2000-09-03 Geoff Keating <geoffk@cygnus.com>
6683 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
6685 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
6686 (REGNO_REG_CLASS): Use symbolic register
6689 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
6691 * arm.c (final_prescan_insn): If the form of a jump insn isn't
6692 recognized, don't try to conditionally execute it.
6694 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
6696 * config/avr/avr.md ("*tablejump_lib"): New pattern.
6697 (call_value_insn): Right length claculation.
6698 (call_insn): Likewise.
6700 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
6702 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
6703 gas_output_limited_string, gas_output_ascii, output_movqi,
6704 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
6705 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
6706 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
6707 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
6708 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
6709 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
6710 Add "const" as needed to remove warnings.
6712 * config/avr/avr.c (avr_override_options, avr_init_once,
6713 function_prologue, function_epilogue, frame_pointer_required_p,
6714 class_likely_spilled_p, order_regs_for_local_alloc,
6715 avr_address_cost, avr_ret_register): Use K&R style arguments.
6716 (initial_elimination_offset, gas_output_limited_string):
6717 Remove ATTRIBUTE_UNUSED from the used arguments.
6718 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
6719 Use local variables src, dest, base to access operands[].
6720 Rename reg_dest to reg_src if that's what it is.
6721 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
6722 constants to LD_REGS if reg_was_0.
6723 (output_reload_insisf): Change arg 3 to insn length and set it.
6724 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
6725 access to 16-bit I/O register pairs.
6726 (avr_address_cost): Lower cost for the above case.
6727 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
6728 may be clobbered, also for LD_REGS.
6729 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
6732 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
6734 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
6735 macro to test_hard_reg_class function.
6736 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
6737 for loading immediate constants to LD_REGS.
6738 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
6741 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
6743 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
6744 * config/avr/libgcc.S: Lost part of the previous patch.
6746 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6748 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
6749 object before calling pthread_mutex_init.
6751 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
6753 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
6754 config/sh/crtn.asm: New files.
6755 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
6756 (crt1.o, crti.o, crtn.o): New targets.
6757 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
6759 * configure: Rebuilt.
6760 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6761 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
6762 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6763 Undefine for config/elfos.h to redefine.
6764 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
6766 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6768 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
6769 legitimize_pic_address, output_pic_addr_const): Declare.
6770 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
6771 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
6772 (TARGET_SWITCHES): New switch -mprefergot.
6773 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
6774 (PIC_OFFSET_TABLE_REGNUM): Define.
6775 (GOT_SYMBOL_TABLE): Likewise.
6776 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
6777 (ENCODE_SECTION_INFO): Define.
6778 (FINALIZE_PIC): New macros.
6779 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
6780 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
6781 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
6782 (prepare_move_operands): Call emit_pic_move or
6783 emit_pic_const_move if appropriate.
6784 (output_far_jump): For PIC, use braf and output long offset.
6785 (machine_dependent_reorg):
6786 (sh_expand_prologue): Save and initialize the PIC register.
6787 (sh_expand_epilogue): Restore it.
6788 (initial_elimination_offset): Account for it.
6789 (nonpic_symbol_mentioned_p): New function.
6790 (legitimize_pic_address): Likewise.
6791 (output_pic_addr_const): Likewise.
6792 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
6793 (call, call_value): Use them.
6794 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
6795 symPLT_label2reg): New expands.
6796 * invoke.texi (SH Options): Document -mprefergot.
6798 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
6800 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
6801 * gcse.c (hash_string_1): New function.
6802 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
6803 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
6804 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
6805 (canon_hash_string): New function.
6806 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
6807 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
6808 (fold_rtx): Use ASM_OPERANDS accessor macros.
6809 * emit-rtl.c (copy_insn_1): Likewise.
6810 * integrate.c (copy_rtx_and_substitute): Likewise.
6811 * stmt.c (expand_asm_operands): Likewise. Give an
6812 ASM_OPERANDS rtx the mode of the output reg being set from it.
6814 2000-09-01 Fred Fish <fnf@be.com>
6816 * fix-header.c (write_rbrac): Add putc and getc to list of
6817 functions to protect against prior definition as a macro.
6819 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
6821 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
6822 (c_size_type_node): Define.
6823 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
6824 * c-common.c (enum format_lengths, enum format_std_version,
6825 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
6826 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
6827 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
6828 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
6829 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
6830 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
6831 format_types): Define.
6832 (format_char_info, print_char_table, scan_char_table,
6833 time_char_table): Rearrange for new organization of information
6834 about format length modifiers and standard versions.
6835 (T_ST): Redefine to use c_size_type_node.
6836 (check_format_info): Obtain information about length modifiers and
6837 standard versions from tables. Adjust warning message wordings.
6838 Use the name from the user's program for `ll' and `hh' length
6839 modifiers in warning messages. Use more informative names for
6840 wanted types where available (for wchar_t, wint_t, size_t, signed
6841 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
6843 2000-09-01 Jim Wilson <wilson@cygnus.com>
6845 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
6846 * combine.c (distribute_notes): Handle REG_NORETURN.
6847 * rtl.c (reg_note_name): Add REG_NORETURN.
6848 * rtl.h (enum reg_note): Likewise.
6850 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
6852 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
6853 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
6854 (emit_predicate_relation_info): Handle conditional calls with
6856 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
6857 instead of ia64_file_start.
6858 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
6859 * config/ia64/ia64.md (safe_across_calls_all,
6860 save_across_calls_normal): New patterns.
6862 * loop.c (check_final_value): Check for biv use before checking for
6863 giv use. Check for both biv and giv uses. Always set last_giv_use
6864 if there is a giv use.
6866 2000-09-01 Richard Henderson <rth@cygnus.com>
6868 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
6869 (madddi3): Likewise.
6872 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6874 * expr.c (clear_storage): Don't use emit_move_insn unless
6875 either BLKmode or proper size.
6876 (store_constructor): Don't call clear_storage if REG of wrong size.
6878 * flow.c (init_propagate_block_info): Don't mark frame dead at end
6879 of function if returns wiht stack pointer depressed.
6881 2000-09-01 Andrew Haley <aph@redhat.com>
6883 * dwarf2out.c (stack_adjust_offset): New function.
6884 (dwarf2out_stack_adjust): Break out stack adjust logic into
6885 new stack_adjust_offset function. Look inside parallels and
6886 sequences for stack adjustments.
6888 2000-08-31 Jeff Law <law@cygnus.com>
6890 * arm.md: Use no_new_pseudos to determine when it is safe
6891 to create new pseudo registers.
6893 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
6894 when we can safely allocate new registers.
6896 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
6898 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
6899 so that CONCATs are not generated for ASMs.
6900 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
6901 not generating_concat_p.
6902 * function.c (pop_function_context_from): Reset
6903 generating_concat_p.
6904 (prepare_function_start): Likewise.
6905 * rtl.c (generating_concat_p): Define.
6906 * rtl.h (generating_concat_p): Declare.
6907 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
6909 2000-08-22 Philipp Thomas <pthomas@suse.de>
6910 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
6912 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
6915 2000-08-30 Greg McGary <greg@mcgary.org>
6917 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
6918 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
6919 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
6921 2000-08-30 Greg McGary <greg@mcgary.org>
6923 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
6924 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
6925 (TREE_INT_CST): New macro.
6926 * varasm.c (const_hash, compare_constant_1, record_constant_1):
6927 Use new macro TREE_INT_CST.
6929 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
6931 * contrib.texi: Add self.
6933 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
6935 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
6936 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
6939 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6941 * fixinc/gnu-regex.c: Don't define `const'.
6943 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6945 * expr.c (store_constructor): Allow variable bounds of array type.
6946 (expand_expr): Don't blow up if type is ERROR_MARK.
6947 * varasm.c (output_constructor): Don't access lower bound of array
6948 type unless need it if index is supplied (so it can be a variable
6949 if no index is supplied).
6950 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
6951 Other minor cleanups.
6953 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6955 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
6956 for compilations in stage 1 and subsequent stages, respectively.
6957 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
6958 * configure: Rebuilt.
6959 * x-vax, x-vax-gcc: Deleted.
6961 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6963 * c-common.c (declare_function_name): Use func_id_node,
6964 function_id_node, and pretty_function_id_node. Do not make
6965 __func__ visible at file scope.
6966 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
6967 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
6968 (function_id_node, pretty_function_id_node, func_id_node): New
6970 * c-decl.c (init_decl_processing): Initialize function_id_node,
6971 pretty_function_id_node, and func_id_node.
6972 (c_make_fname_decl): Correct comment.
6974 * tree.h (struct tree_identifier): Constify pointer member.
6976 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
6977 * c-pragma.h (struct weak_syms): Constify name and value members.
6978 (add_weak): Constify arguments.
6980 * calls.c (special_function_p): Constify a char *.
6981 (expand_call): Remove variable which is initialized and then
6983 * dependence.c (struct def_use, struct induction, struct subscript):
6984 Constify 'variable' member.
6985 (get_low_bound, have_induction_variable): Constify char * argument.
6986 (find_induction_variable): Add braces to avoid dangling else.
6987 (classify_dependence): Constify char * arrays.
6988 * profile.c (output_func_start_profiler): Constify a char *.
6989 * stor-layout.c (finalize_record_size): Constify a char *.
6990 * tree.c (is_attribute_p): Constify a char *.
6991 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
6993 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
6994 for comprehensibility. Do not call get_identifier if we did
6995 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
6996 create temporary string constants, not ggc_alloc_string. No
6997 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
6998 char * to hold IDENTIFIER_POINTERs.
7000 2000-08-29 Richard Henderson <rth@cygnus.com>
7002 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
7005 2000-08-29 Richard Henderson <rth@cygnus.com>
7007 * reload.c (push_secondary_reload): Allow class == reload_class
7008 if we're using a reload_in/out pattern.
7010 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
7011 the half that does not conflict with the reload register.
7012 (reload_outti): Likewise.
7014 2000-08-29 Kazu Hirata <kazu@hxi.com>
7016 * reload.c: Fix formatting.
7018 * stmt.c: Fix formatting.
7020 * gcc.c: Fix formatting.
7022 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7024 * flags.h (time_report, mem_report): New global flags.
7025 * toplev.c: Define time_report and mem_report.
7026 (f_options): Add -ftime-report and -fmem-report.
7027 (compile_file): Turn on time_report if quiet_flag is off.
7028 Call ggc_print_statistics at very end if mem_report is on.
7029 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
7031 * ggc-common.c (ggc_print_statistics): Rename to
7032 ggc_print_common_statistics; all callers changed. Scale
7033 quantities above 10K to kilobytes and above 10M to megabytes.
7034 * ggc-page.c (ggc_page_print_statistics): Rename to
7035 ggc_print_statistics. Report memory consumed by internal data
7036 structures for each allocation bucket. Scale quantities above
7037 10K to kilobytes and above 10M to megabytes.
7038 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
7039 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
7040 Define tally_leaves always.
7041 (ggc_print_statistics): New function.
7042 * ggc.h: Adjust for renamed functions.
7044 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
7046 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
7047 output_movsisf instead of which_alternative.
7049 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
7051 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
7053 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
7054 (avr_progmem_p): New prototype.
7055 (output_movsisf): Prototype declaration changed.
7056 (output_movqi): New prototype.
7057 (output_movhi): New prototype.
7058 (call_insn_operand): Likewise.
7059 (final_prescan_insn): Likewise.
7060 (avr_simplify_comparision_p): Likewise.
7061 (avr_normalize_condition): Likewise.
7062 (compare_eq_p): Likewise.
7063 (out_shift_with_cnt): Likewise.
7064 (const_int_pow2_p): Likewise.
7065 (output_reload_inhi): Prototype declaration changed.
7067 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
7068 (ldi_reg_rtx): New. rtx for r31.
7069 (avr_init_stack): Initialize as "__stack".
7070 (function_prologue): Use it.
7071 Replace all TARGET_ENHANCED with AVR_ENHANCED.
7072 (avr_mcu_name): Initialize as "avr2".
7073 (avr_enhanced_p, avr_mega_p): New variables.
7074 (mcu_types, avr_override_options): Handle all known MCU types.
7075 Also handle avr1 (only preprocess, assemble and link).
7076 (print_operand): Using of `%K' in output template removed.
7077 (out_movqi_r_mr): Optimized.
7078 (out_movhi_r_mr): Likewise.
7079 (output_movqi): New function.
7080 (output_movhi): Likewise.
7081 (out_movsi_r_mr): Optimized.
7082 (output_movsisf): Compute insn length for `adjust_insn_length'
7083 (out_movqi_mr_r): Optimized.
7084 (out_movhi_mr_r): Optimized.
7085 (adjust_insn_length): Use output_movsisf, output_movqi,
7086 output_movhi for insn length adjusting.
7087 (reg_unused_after): Use dead_or_set_p.
7088 (preferred_reload_class): Now havn't any restriction.
7089 (reg_was_0): New function.
7090 (io_address_p): Likewise.
7091 (const_int_pow2_p): Likewise.
7092 (output_reload_inhi): Likewise.
7093 (output_reload_insisf): Likewise.
7095 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
7096 (LIB_SPEC): Use -lc for all supported devices.
7097 (LIBGCC_SPEC): Use -lgcc for all supported devices.
7098 (AVR_MEGA): Define as avr_mega_p.
7099 (AVR_ENHANCED): New, define as avr_enhanced_p.
7100 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
7101 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
7102 (CRT_BINUTILS_SPECS): Handle all known MCU types.
7103 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
7104 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
7105 (ASM_SPEC): Pass -mmcu=... to the assembler.
7106 Change all -DAVR_* to -D__AVR_*__.
7107 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
7108 Rename library functions to start with two underscores.
7109 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
7111 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
7112 (SUPPORTS_WEAK): Likewise.
7113 (LDI_REG_REGNO): New. Register r31 will be used as temporary
7114 register for loading constants to r0-r14.
7116 * config/avr/avr.md: Replace all TARGET_ENHANCED with
7118 (*mov_r_sp): Removed. Handled by output_movhi.
7119 (*mov_sp_r): Likewise.
7120 (*mov_sp_r_no_interrupts): Likewise
7121 (*mov_sp_r_tiny): Likewise.
7122 (*movqi): Use output_movqi.
7123 (*reload_inqi): New.
7124 (*movhi): Use output_movhi.
7125 (*reload_inhi): New.
7126 (*negsi2): Optimized.
7127 (*negsf2): Likewise.
7128 Added peepholes (define_peephole2) for loading constants to r0-r14
7129 and for using `cpse' command.
7131 * config/avr/libgcc.S: Rename library functions to start with two
7133 Add support for enhanced core.
7134 (_moqhi3): Fix typo, now _modqi3.
7135 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
7136 (__prologue_saves__): Remove test for stack adjust by 0.
7137 (__tablejump__): New.
7139 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
7140 Add multilib support.
7142 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
7144 * loop.c (prescan_loop): Don't check unknown_address_altered
7145 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
7146 to loop_store_mems as necessary.
7147 (loop_invariant_p): Don't check unknown_address_altered
7148 or unknown_constant_address_altered.
7150 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7152 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
7154 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7156 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
7157 print just the filename.
7158 * cpplex.c (_cpp_run_directive): Add additional argument, the
7159 name to give the synthetic buffer. This defaults to
7160 translated "<command line>".
7161 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7163 (_cpp_define_builtin): New function.
7164 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7165 * cpphash.h: Update prototypes.
7167 * tradcpp.c (main): Process -D and -U simultaneously, in the
7168 order they appeared on the command line.
7170 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7172 * c-decl.c (define_label): Call warning_with_file_and_line and
7173 error_with_file_and_line instead of plain warning or error.
7175 * c-parse.in (label): Use save_filename/save_lineno to ensure
7176 correct values for calls to define_label.
7178 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7180 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
7182 * expr.c (expand_expr, case TARGET_EXPR): Don't call
7184 * tree.h (get_file_function_name): Remove two duplicate
7187 2000-08-28 Kazu Hirata <kazu@hxi.com>
7189 * tree.c: Fix formatting.
7191 * xcoffout.c: Fix formatting.
7193 2000-08-28 Jason Merrill <jason@redhat.com>
7195 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
7197 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7199 * dwarf2out.c (dwarf2out_finish): Don't bother calling
7200 break_out_includes if it won't do anything.
7202 2000-08-28 Richard Henderson <rth@cygnus.com>
7204 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
7205 (find_reloads): Likewise.
7206 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
7207 (reload_inhi): Likewise.
7209 2000-08-28 Richard Henderson <rth@cygnus.com>
7211 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
7212 (call_insn_operand): Don't expect a surrounding mem.
7213 (constant_call_address_operand): Likewise.
7214 * config/i386/i386.h (PREDICATE_CODES): Update.
7215 * config/i386/i386.md (call patterns): Move the match_operand
7216 for the call destination inside the mem.
7218 2000-08-28 Richard Henderson <rth@cygnus.com>
7220 * local-alloc.c (requires_inout): Don't use reserved range for
7221 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
7222 * recog.c (asm_operand_ok): Likewise.
7223 (preprocess_constraints, constrain_operands): Likewise.
7224 * regclass.c (record_reg_classes): Likewise.
7225 * reload.c (find_reloads): Likewise.
7226 * reload1.c (maybe_fix_stack_asms): Likewise.
7227 (reload_cse_simplify_operands): Likewise.
7228 * stmt.c (expand_asm_operands): Likewise.
7230 * md.texi: Update constraints documentation.
7231 * tm.texi (EXTRA_CONSTRAINT): Update.
7233 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7235 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
7236 (print_die): If we don't know the offset of the
7237 target die, try the symbol. Add a trailing newline.
7238 (reverse_all_dies): New fn.
7239 (dwarf2out_finish): Call it.
7240 (break_out_includes): Reorganize for clarity.
7241 (add_sibling_attributes): Don't call reverse_die_lists.
7242 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
7244 * flags.h: Add flag_eliminate_dwarf2_dups.
7245 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
7247 2000-08-28 Jason Merrill <jason@redhat.com>
7249 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
7250 * dwarf2out.c: #include "md5.h".
7251 (DIE_LABEL_PREFIX): New macro.
7252 (dw_val_struct): Add 'external' flag to val_die_ref.
7253 (add_AT_die_ref, AT_ref): Adjust.
7254 (AT_ref_external, set_AT_ref_external): New fns.
7255 (build_abbrev_table): Call set_AT_ref_external.
7256 (value_format): Call AT_ref_external.
7257 (die_struct): Add die_symbol field.
7258 (new_die): Clear it.
7259 (dwarf_tag_name): Handle BINCL/EINCL.
7260 (dwarf2out_start_source_file): Add BINCL DIE.
7261 (dwarf2out_end_source_file): Add EINCL DIE.
7262 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
7263 (loc_checksum, attr_checksum, die_checksum): New fns.
7264 (is_type_die, is_comdat_die, is_symbol_die): New fns.
7265 (compute_section_prefix, assign_symbol_names): New fns.
7266 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
7267 (output_die): Call output_die_symbol and AT_ref_external.
7268 (output_comdat_comp_unit): New fn, split out from...
7269 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
7271 (output_pubnames, output_aranges): Abort if we see entries from
7273 * toplev.h: Declare file_name_nondirectory.
7274 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
7275 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
7276 (debug_start_source_file): Call dwarf2out_start_source_file
7277 regardless of debug verbosity.
7278 (debug_end_source_file): Similarly.
7279 * tree.h: Declare clean_symbol_name.
7280 * tree.c (clean_symbol_name): Split out from...
7281 (get_file_function_name_long): ...here.
7283 * dwarf2out.c (new_loc_descr): Use calloc.
7284 (splice_child_die): Remove the die from the right parent.
7285 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
7287 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7289 * toplev.c (decode_g_option): Don't give warning for unknown -g
7290 option; return 0 instead.
7291 (main): If -g option is not recognized by front end or
7292 language-independent code, give warning.
7294 2000-08-28 Greg McGary <greg@mcgary.org>
7296 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
7297 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
7298 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
7300 2000-08-27 Greg McGary <greg@mcgary.org>
7302 * cpplex.c (parse_string): Don't look for backslash
7303 before first char in `namebuf'.
7304 * loop.c (strength_reduce): Skip NOTEs.
7306 2000-08-27 Jason Merrill <jason@redhat.com>
7308 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
7309 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
7310 TREE_ASM_WRITTEN, either.
7311 (finish_decl): Adjust.
7313 2000-08-28 Philipp Thomas <pthomas@suse.de>
7315 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
7316 they have been incorporated into the gettext CVS. Change the text to
7317 reflect the current status of NLS. Add instructions for accessing
7318 the gettext CVS and add the patch from Martin v. Loewis.
7320 2000-08-27 Geoff Keating <geoffk@cygnus.com>
7322 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
7323 by using gen_lowpart_common.
7324 (movdi_internal64+6): Likewise.
7326 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
7328 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
7331 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
7332 numbers to the ranges used by GDB.
7334 2000-08-25 Richard Henderson <rth@cygnus.com>
7336 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
7337 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
7338 (ia64_expand_prologue): Likewise.
7339 (ia64_setup_incoming_varargs): Set it. Properly skip the current
7340 argument for stdargs.
7342 2000-08-25 Jason Merrill <jason@redhat.com>
7344 * integrate.c (expand_inline_function): Pull out the original decl.
7346 2000-08-25 Jim Wilson <wilson@cygnus.com>
7348 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
7350 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
7352 2000-08-25 Greg McGary <greg@mcgary.org>
7354 * flow.c (dump_edge_info): Use ARRAY_SIZE.
7355 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
7357 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
7359 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
7361 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
7363 * i386.c (ix86_find_base_term): New.
7364 * i386-protos.h (ix86_find_base_term): Prototype.
7365 * i386.h (FIND_BASE_TERM): Define.
7366 * alias.c (find_base_term): Use it.
7367 * tm.texi (FIND_BASE_TERM): Document it.
7369 * alias.c (true_dependence, write_dependence_p): Unchanging
7370 memory can't conflict with non-unchanging memory.
7372 * alias.c (memrefs_conflict_p): A BLKmode reference
7373 to a symbol (or CONST_INT address) always conflicts
7374 with a reference to another symbol.
7376 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
7378 * c-common.c (time_char_table): Don't allow width and flags with
7381 2000-08-25 Jakub Jelinek <jakub@redhat.com>
7383 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
7384 way as LT and LTU when the second operand has 0 in low word.
7386 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7388 * basic-block.h (struct loop): Rename `exits' field to
7389 `exit_edges'. Add `entry_edges' and `num_entries' fields.
7391 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
7392 (flow_loop_entry_edges_find): Add.
7393 (flow_edge_list_print): Rename from flow_exits_print.
7394 (flow_loops_find): Call flow_loop_entry_edges_find.
7395 (flow_loop_dump): Dump entry_edges list.
7396 (flow_loops_free): Free entry_edges.
7398 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7400 * loop.c (loop_dump_aux, debug_loop): New functions.
7401 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
7403 * flow.c (flow_loops_dump): Add callback parameter.
7404 (flow_loop_dump): Add callback parameter and call it. Move
7405 loop note debugging code to loop_dump_aux.
7407 * basic-block.h (flow_loop_dump): Add callback parameter
7408 (flow_loops_dump): Likewise.
7410 * toplev.c (rest_of_compilation): Add NULL callback function pointer
7411 to call to flow_loops_dump.
7413 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7415 * loop.c (count_loop_regs_set): Replace start and end arguments
7416 with loop argument. All callers udated.
7418 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7420 * loop.c (constant_high_bytes): Delete.
7422 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7424 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
7425 and NOTE_INSN_LOOP_VTOP to...
7426 (find_and_verify_loops) ...here.
7428 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
7430 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
7431 (fini_dummy, init_dummy): Use it.
7433 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
7435 * cpplex.c (is_macro_disabled): Caller has already checked
7436 that we're not a preprocessed file.
7438 2000-08-24 Mark Mitchell <mark@codesourcery.com>
7440 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
7441 (c-iterate.o): Remove target.
7442 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
7443 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
7444 (finish_decl): Don't handle iterators.
7445 (grokdeclarator): Likewise.
7446 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
7447 * gcc/c-gperf.h: Regenerated.
7448 * gcc/c-iterate.c: Removed.
7449 * gcc/c-lex.c (init_lex): Don't handle iterators.
7450 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
7451 (compstmt_primary_start): Remove push_iterator_stack call.
7452 (stmt): Don't allow iterator statements. Replace iterator_expand
7453 with expand_expr_stmt.
7454 (all_iter_stmt): Remove.
7455 (all_iter_stmt_simple): Likewise.
7456 (all_iter_stmt_with_decl): Likewise.
7457 * gcc/c-tree.h (ITERATOR_P): Remove.
7458 (ITERATOR_BOUND_P): Likewise.
7459 (init_iterators): Remove declaration.
7460 (iterator_expand): Likewise.
7461 (iterator_for_loop_start): Likewise.
7462 (iterator_for_loop_end): Likewise.
7463 (iterator_for_loop_record): Likewise.
7464 (push_iterator_stack): Likewise.
7465 (pop_iterator_stack): Likewise.
7466 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
7467 (readonly_warning): Likewise.
7468 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
7470 2000-08-24 Jim Wilson <wilson@cygnus.com>
7472 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
7473 Copy type in a TYPE_DECL, just like pushdecl does.
7475 2000-08-24 Richard Henderson <rth@cygnus.com>
7477 * toplev.c (main): Enable flag_reorder_blocks at -O2.
7479 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7481 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
7482 asked for one page, allocate GGC_QUIRE_SIZE of them and put
7483 the extras on the free list.
7484 (release_pages): Clean up.
7485 (ggc_set_mark): Don't adjust G.allocated here...
7486 (sweep_pages): ... do it here.
7488 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7490 * cppfiles.c (read_include_file): Rearrange initializations.
7492 2000-08-24 Richard Henderson <rth@cygnus.com>
7494 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
7496 * config/ia64/ia64-protos.h: Update.
7497 * config/ia64/ia64.c (gr_register_operand): New.
7498 (fr_register_operand, grfr_register_operand): New.
7499 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
7500 (grfr_reg_or_8bit_operand): New.
7501 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
7502 use gr_register_operand.
7503 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
7504 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
7505 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
7506 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
7507 (fr_reg_or_fp01_operand): Likewise.
7508 (not_postinc_memory_operand): New.
7509 (ia64_split_timode): Remove unused variables.
7510 (rtx_needs_barrier): Check arguments to cmpxchg.
7511 (builtin_description): Remove.
7512 (bdesc_2argsi, bdesc_2argdi): Remove.
7513 (ia64_init_builtins): Declare all builtins directly.
7514 (ia64_expand_fetch_and_op): Rewrite to be called from
7515 ia64_expand_builtin directly. Use expand_binop and co.
7516 (ia64_expand_op_and_fetch): Likewise.
7517 (ia64_expand_compare_and_swap): Likewise.
7518 (ia64_expand_binop_builtin): Remove.
7519 (ia64_expand_lock_test_and_set): New.
7520 (ia64_expand_lock_release): New.
7521 (ia64_expand_builtin): Use them.
7522 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
7523 (EXTRA_CONSTRAINT): Use it.
7524 (PREDICATE_CODES): Update.
7525 * config/ia64/ia64.md (*): Use gr_register_operand and co.
7526 (mf): Indicate that we set memory as well as use it.
7527 (fetchadd_acq_si): Show memory being modified as well.
7528 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
7529 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
7530 (lock_test_and_set_si, lock_test_and_set_di): Remove.
7531 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
7532 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
7533 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
7534 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
7535 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
7536 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
7537 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
7538 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
7539 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
7540 return type. Pretty print definitions.
7542 2000-08-24 Jim Wilson <wilson@cygnus.com>
7544 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
7545 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
7547 2000-08-24 Jason Merrill <jason@redhat.com>
7549 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
7550 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
7551 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
7552 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
7554 2000-08-24 Greg McGary <greg@mcgary.org>
7556 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
7557 and extendtab within their proper array boundaries.
7558 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
7559 for the entire array.
7561 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
7562 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
7563 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
7564 * config/fr30/fr30.c (fr30_print_operand): Likewise.
7565 * config/i386/dgux.c (output_options): Likewise.
7566 * config/i386/dgux.h (ASM_FILE_START): Likewise.
7567 * config/m88k/m88k.c (output_options): Likewise.
7568 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
7569 * config/mcore/mcore.c (mcore_output_inline_const_forced,
7570 layout_mcore_frame, handle_structs_in_regs): Likewise.
7571 * config/mips/mips.c (output_block_move): Likewise.
7572 * config/rs6000/rs6000.c (rs6000_override_options,
7573 rs6000_file_start): Likewise.
7574 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
7575 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
7576 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
7577 * builtins.c (expand_builtin_setjmp): Likewise.
7578 * expr.c (safe_from_p): Likewise.
7579 * flow.c (life_analysis): Likewise.
7580 * fold-const.c (size_int_type_wide): Likewise.
7581 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
7582 * genattrtab.c (make_length_attrs): Likewise.
7583 * genopinit.c (gen_insn): Likewise.
7584 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
7585 * global.c (global_alloc): Likewise.
7586 * local-alloc.c (find_free_reg): Likewise.
7587 * mips-tdump.c (print_symbol): Likewise.
7588 * mips-tfile.c (parse_def, parse_input): Likewise.
7589 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
7590 * stmt.c (expand_nl_goto_receiver): Likewise.
7591 * stor-layout.c (set_sizetype): Likewise.
7592 * varasm.c (decode_reg_name): Likewise.
7593 * toplev.c (decode_f_option, decode_W_option,
7594 set_target_switch, print_switch_values): Likewise.
7595 (NUM_ELEM): Remove macro.
7596 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
7598 2000-08-24 Greg McGary <greg@mcgary.org>
7600 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
7601 (MAIN_NAME_P, main_identifier_node): New macros.
7602 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
7603 * c-decl.c (start_decl, grokdeclarator, start_function,
7604 store_parm_decls, finish_function): Use MAIN_NAME_P.
7605 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
7606 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
7607 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7608 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
7610 2000-08-24 Greg McGary <greg@mcgary.org>
7612 * cppfiles.c (actual_directory): Don't write beyond `dir'
7613 when it contains "".
7614 * real.c (asctoeg): Stay within bounds of etens[][].
7616 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7618 * dependence.c (dependence_string, direction_string,
7619 dump_one_node, dump_node_dependence): Hide unused identifiers.
7620 (get_low_bound, normalize_coefficients): Match definition to
7622 (get_one_coefficient): Initialize variables `value0_is_idx' and
7624 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
7625 (ziv_test): Delete variable `idx', use parameter `sub' instead.
7626 (direction_merge): Avoid automatic aggregate initialization.
7627 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
7628 Initialize variables `dest_idx' and `src_idx'.
7629 (end_dependence_analysis): Avoid C89 style function definition.
7631 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
7633 * c-common.c (time_char_table): Don't allow width with %F.
7634 (check_format_info): Don't allow "Z" length with scanf.
7636 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
7638 * diagnostic.c (finish_diagnostic): Define.
7639 (output_do_printf): Use wrap_text instead of output_add_string.
7640 (default_print_error_function): Avoid embedded '\n'.
7642 * diagnostic.h (flush_diagnostic_buffer): Declare.
7644 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
7646 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
7648 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
7650 * Makefile.in (GCC_PASSES): Add specs.
7652 2000-08-23 Jim Wilson <wilson@cygnus.com>
7654 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
7655 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
7656 EHANDLER nor UHANDLER bit is set.
7657 (__get_except_table): Likewise.
7659 2000-08-23 Nick Clifton <nickc@redhat.com>
7661 * config/arm/lib1funcs.asm: Replace upper case condition codes
7662 with lower case versions.
7664 * config/arm/arm.h (STRUCT_VALUE): Define.
7665 (STRUCT_VALUE_REGNUM): Delete.
7667 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
7669 * cpphash.h (IN_I): New flag for directive table.
7670 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
7672 (_cpp_check_directive): If -fpreprocessed, execute directives
7673 marked with IN_I. Issue no warnings in this case.
7674 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
7676 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
7678 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
7680 (check_format_info): Support printf 'I' flag; warn about it with
7683 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
7685 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
7686 barrier can't be ignored by the alias analysis code.
7688 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
7690 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
7691 works inside fixincl.
7693 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
7695 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
7696 simplify_relational_operation() unless both operands are of
7698 * cse.c (fold_rtx): Likewise.
7700 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
7702 * rtlanal.c (rtx_unstable_p): The pic register is stable
7703 (within one function) and the actual rtx should be used
7704 when checking the registers.
7705 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
7707 * alias.c (true_dependence, write_dependence_p): Fix
7708 bug in previous patch.
7710 * i386.c (ix86_GOT_alias_set): New.
7711 (legitimize_pic_address): Use it.
7713 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
7714 only stable if its address is stable.
7715 (rtx_varies_p): An unchanging MEM can't vary if
7716 its address doesn't vary.
7718 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7720 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
7722 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7724 * vax.h (ASM_SPEC): Pass `-J' to assembler.
7725 * x-vax-gcc: New file for bootstrapping with gcc.
7726 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
7727 * configure.in: Use x-vax-gcc with gcc.
7728 * configure: Rebuilt.
7730 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7732 * toplev.c (rest_of_compilation): Rebuild label notes after
7733 post-reload splitting pass if new labels have been created.
7735 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7737 * diagnostic.h (output_buffer_state): New macro.
7738 * diagnostic.c (diagnostic_for_decl, sorry,
7739 default_print_error_function, output_do_verbatim,
7740 report_diagnostic, report_problematic_module): Use it.
7742 (output_format): Use wrap_text instead of maybe_wrap_text.
7744 2000-08-22 Nick Clifton <nickc@redhat.com>
7746 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
7747 Common code for ARM divide and modulus functions.
7748 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
7750 (FUNC_END): New macro: Common code at the end of the division and
7752 (THUMB_FUNCTION_START): New macro: Common code at the start of
7754 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
7756 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
7758 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
7760 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
7761 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
7764 2000-08-22 Nick Clifton <nickc@redhat.com>
7766 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
7767 restorative additions, test for bottom bits of IP being set,
7768 rather than relying upon the RORs not matching.
7771 2000-08-22 David Edelsohn <edelsohn@gnu.org>
7773 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
7774 text_section() as appropriate instead of emitting text csect
7776 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
7777 (UNIQUE_SECTION): Define macro.
7778 (ASM_OUTPUT_SECTION_NAME): Define macro.
7779 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
7780 on AIX if debugging and -fdata-sections always.
7782 2000-08-22 Steven King <sxking@uswest.net>
7784 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
7786 (LDBL_MAX): Same here.
7788 2000-08-22 Richard Henderson <rth@cygnus.com>
7790 * flow.c (tidy_fallthru_edge): Update b->end properly.
7792 2000-08-22 Stan Cox <scox@redhat.com>
7794 * Makefile.in (OBJS): Add dependence.o.
7795 * dependence.c: New file.
7797 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
7799 * calls.c (check_sibcall_argument_overlap_1): Adjust for
7801 (check_sibcall_argument_overlap): Likewise.
7803 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
7805 * invoke.texi (SH Options): Document -m4-nofpu,
7806 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
7807 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
7809 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
7811 * c-common.c (check_format_info): Give the 'some locales' warning
7812 for strftime %Ey rather than the unconditional 'only last 2 digits
7815 2000-08-22 Richard Henderson <rth@cygnus.com>
7817 * alias.c (init_alias_analysis): Do not register
7818 struct_value_incoming_rtx or static_chain_rtx as pointing
7821 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
7823 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
7825 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7827 * diagnostic.h (report_problematic_module): Declare.
7828 * diagnostic.c (report_problematic_module): New function.
7829 (report_error_function): Tweak.
7831 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7833 * stmt.c (expand_goto_internal, fixup_gotos): Only check
7834 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7836 2000-08-21 Richard Henderson <rth@cygnus.com>
7838 * flow.c (calculate_global_regs_live): Mark frame pointer live
7839 everywhere before reload.
7841 2000-08-21 Jim Wilson <wilson@cygnus.com>
7843 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
7844 INTEL_EXTENDED_IEEE_FORMAT.
7845 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
7846 clear last two bytes of output FP value.
7848 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
7850 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
7852 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7854 * unroll.c (loop_find_equiv_value): If ret is modified between
7855 insn and loop_start, ret might not be equivalent to reg.
7857 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7859 * c-common.c (init_dollar_format_checking,
7860 maybe_read_dollar_number, finish_dollar_format_checking): New
7862 (dollar_arguments_used, dollar_arguments_count,
7863 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
7865 (check_format_info): Support $ formats for scanf and printf width
7866 and precision. Always increment format_chars to advance past the
7867 '*' of precision, not just when the format parameters are
7870 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7872 * mips.c (block_move_loop, expand_block_move,
7873 function_arg_partial_nregs, save_restore_insns, function_prologue,
7874 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
7876 (function_arg_advance, function_arg): Match argument to format
7879 2000-08-21 Nix <nix@esperi.demon.co.uk>
7881 * gcc.c (do_spec_1): Implement %j spec flag.
7882 Remove dead comment.
7884 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
7885 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
7886 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
7887 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
7889 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
7890 writable) instead of hardcoded value.
7892 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
7894 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
7897 * gcc.c (cc1_options): Do not process -o or run the assembler if
7899 * objc/lang-spec.h: Likewise.
7901 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
7903 * fixinc/fixincl.c (fix_with_system): Pipe the output of
7904 "external" fixes through `cat', to avoid truncating the input
7905 file by redirection.
7907 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7909 * config/i386/i386.md (lea_general_1): Copy insn condition to split
7911 (lea_general_2, lea_general_3): Likewise.
7913 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7915 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
7916 warnings to user code.
7918 * c-lex.c (readescape, yylex): Likewise.
7920 * c-typeck.c (store_init_value, process_init_element): Likewise
7921 (c_expand_start_case): Format.
7923 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
7925 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
7927 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
7928 and linker_endian_spec to endian_spec.
7929 (ENDIAN_SPEC): Add %{EB} and %{EL}.
7930 (LINK_SPEC): Remove %{EB} and %{EL}.
7931 (ASM_SPEC): Likewise. Use %(endian_spec).
7933 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7935 * c-tree.h (flag_hosted): Move declaration from here...
7936 * c-common.h (flag_hosted): ... to here.
7937 (flag_noniso_default_format_attributes): New declaration.
7938 * c-decl.c (flag_noniso_default_format_attributes): New variable.
7939 (c_decode_option): Set it appropriately for options choosing
7940 language standard variant.
7941 * c-common.c (init_function_format_info): Only provide default
7942 format attributes if flag_hosted. Only provide the gettext
7943 formats if flag_noniso_default_format_attributes. Update
7945 (check_format_info): Disable treatment of %a as a scanf flag in
7948 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7950 * c-common.c (scan_char_table): Add 'w' to flags for all formats
7952 (check_format_info): Set 'wide' for scanf format widths. Warn for
7953 a zero scanf width. Make the check for writing into a constant
7954 object at the first level of indirection; at later levels, warn if
7955 any type qualifiers are encountered.
7957 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
7959 * reload.c (reload_inner_reg_of_subreg): New function broken out of
7961 (push_reload): Use reload_inner_reg_of_subreg.
7962 (combine_reloads): Do not combine reloads if the input reload
7963 is a SUBREG in which the inner part will need reloading.
7965 * global.c (global_alloc): Avoid passing dumpfile argument to
7967 * toplev.c (rest_of_compilation): Likewise.
7968 * reload.h (reload): Remove dumpfile argument. Callers changed.
7969 (debug_reload, debug_reload_to_stream): Move prototypes here.
7970 * rtl.h (reload): Remove dumpfile argument.
7971 * reload.c (debug_reload): Remove prototype.
7972 (debug_reload_to_stream): Likewise.
7973 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
7976 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7978 * diagnostic.c (context_as_prefix): Export.
7979 (need_error_newline): Remove.
7980 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
7981 (error_module_changed, record_last_error_module,
7982 error_function_changed, record_last_error_function): New functions.
7983 (initialize_diagnostics): Default intialize
7984 lang_diagnostic_starter, lang_diagnostic_finalizer.
7985 (init_output_buffer): Tweak.
7986 (file_name_as_prefix): New function.
7987 (announce_function, default_print_error_function,
7988 report_error_function, set_diagnostic_context): Tweak.
7990 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
7992 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
7993 condition expression.
7995 2000-08-20 Richard Henderson <rth@cygnus.com>
7997 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
7999 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
8001 * cppinit.c (cpp_init): Set global flag when called.
8002 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
8004 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
8006 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
8007 before `process_directive' so that newlines won't be missed
8009 (cpp_printf): Increment `print->lineno' when newline is emitted.
8011 * cppmain.c (cb_ident): Likewise.
8012 (cb_define): Likewise.
8013 (cb_undef): Likewise.
8014 (cb_include): Likewise.
8015 (cb_def_pragma): Likewise.
8016 (dump_macros_helper): Likewise.
8018 2000-08-20 Richard Henderson <rth@cygnus.com>
8020 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
8021 assigned before a loop.
8023 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
8024 (ashrsi3, lshrsi3): Likewise.
8026 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8028 * c-lang.c: #include diagnostic.h
8029 (c_tree_printer): New function.
8030 (lang_init): Initialize lang_printer.
8032 * Makefile.in (c-lang.o): Depends on diagnostic.h
8034 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8036 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
8038 * diagnostic.c (default_diagnostic_starter,
8039 default_diagnostic_finalizer): New functions.
8040 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
8041 (pedwarn, pedwarn_with_file_and_line, error,
8042 error_with_file_and_line, fatal, warning,
8043 warning_with_file_and_line): Adjust call to report_diagnostic.
8044 (report_diagnostic): Rework.
8045 (set_diagnostic_context): New function.
8047 * diagnostic.h (struct diagnostic_context): New data structure.
8048 (diagnostic_message, diagnostic_argument_list,
8049 diagnostic_file_location, diagnostic_line_location,
8050 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
8051 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
8052 (set_diagnostic_context): Declare.
8053 (report_diagnostic): Change prototype.
8055 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
8057 * fix-header.c (main): Initialize cpplib.
8059 2000-08-19 Michael Meissner <meissner@redhat.com>
8061 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
8062 instructions in it before checking for indirect jumps.
8064 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
8065 in a indirect jump as a potential for conditional execution.
8067 * d30v.h (d30v_init_expanders): Don't declare here.
8068 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
8071 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
8073 * cpp.texi: Add @section for assertions.
8075 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
8077 * loop.c (scan_loop): Use CONST_CALL_P instead of
8078 checking for REG_LIBCALL / REG_RETVAL.
8080 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
8082 * reload1.c (reload_as_needed): Accept dumpfile argument,
8083 pass it to emit_reload_insns.
8084 (emit_reload_insns): Add new dumpfile argument. If non-null
8085 then dump the reloads for each insn into the dumpfile.
8086 (reload): Pass dumpfile to reload_as_needed.
8088 * invoke.texi: Clean up linux-gnu vs linux comments.
8090 2000-08-19 Richard Henderson <rth@cygnus.com>
8092 * config/ia64/ia64.c (reg_or_5bit_operand): New.
8093 (ia64_depz_field_mask): New.
8094 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
8095 (PREDICATE_CODES): Update.
8096 * config/ia64/ia64.md: Update commentary.
8097 (depz_internal): New.
8098 (ashlsi3): Implement directly.
8099 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
8100 (ashldi3): Use shladd.
8101 * config/ia64/ia64-protos.h: Update.
8103 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8105 * toplev.c (independent_decode_option): Always process -g.
8106 Remove third argument, now unused. Adjust caller to match.
8108 2000-08-18 Richard Henderson <rth@cygnus.com>
8110 * combine.c (make_compound_operation): Break after creating
8113 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8115 * cpplib.c (cpp_register_pragma_space): Just return if the
8116 namespace is already registered.
8118 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
8120 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
8121 constant amount. Do not generate ROTL instruction.
8123 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
8125 * config/sh/elf.h: Do not include sh/sh.h.
8126 * config/sh/rtems.h: Likewise.
8127 * config/sh/rtemself.h: Do not include sh/elf.h.
8128 * configure.in: Get them included with `tm_file's.
8129 * configure: Rebuilt.
8131 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
8132 * config/sh/sh.c (fpscr_set_from_mem): Use them.
8134 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8136 * stor-layout.c (compute_record_type): Don't use mode of single
8137 field as mode of record if not integer mode of same type.
8139 * regmove.c (perhaps_ends_bb_p): New function.
8140 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
8141 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
8142 (fixup_match_1): Likewise.
8143 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8144 avoid signed/unsigned warnings.
8146 * function.c (fixup_var_refs_1, case MEM): Update CODE after
8149 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
8151 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
8152 (_cpp_trigraph_map): Declaration moved from cpplex.c
8154 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
8155 instead of 256. Use consistent test for designated initializers.
8156 (cpp_init): Initialize trigraph_map.
8157 (initialize_standard_includes, parse_option): Use memcmp
8160 * cpplex.c (init_trigraph_map): Remove.
8161 (trigraph_ok, trigraph_replace, lex_line): Refer to
8164 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8165 (do_unassert): Remove unused "next" local.
8167 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8169 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8171 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8174 2000-08-17 Richard Henderson <rth@cygnus.com>
8176 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8177 the first insn in a sequence.
8179 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
8181 * alias.c (true_dependence, write_dependence_p): A read
8182 involving a label_ref or the constant pool doesn't create
8185 * rtl.h (unchanging): Improve documentation.
8187 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
8189 * cse.c (insert_regs): Remove unused `regno'.
8191 2000-08-17 Neil Booth <NeilB@earthling.net>
8193 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
8194 remove_dup_dirs. If qtail == brack, remove brack not
8196 (remove_dup_dir, remove_dup_dirs): New functions.
8198 2000-08-17 Neil Booth <NeilB@earthling.net>
8200 * cppinit.c (cpp_cleanup): Free include dir chains.
8201 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
8202 (do_unassert): Free the assert with _cpp_free_definition.
8203 * cppmacro.c (_cpp_free_definition): Free memory allocated for
8204 assertions. Make the node a T_VOID node.
8206 2000-08-17 Neil Booth <NeilB@earthling.net>
8208 * cppinit.c (path_include, append_include_chain):
8209 Remove 2nd parameter (struct cpp_pending *).
8210 (path_include, initialize_standard_includes, cpp_handle_option):
8211 Update callers appropriately.
8212 (cpp_handle_option): Use pend.
8214 2000-08-17 Neil Booth <NeilB@earthling.net>
8216 * cppinit.c (sort_options): Remove, put functionality in
8219 (initialize_builtins): Free memory.
8220 (cpp_start_read): Move init_IStable to cpp_init.
8222 * cpplib.h (cpp_init): New prototype.
8223 * cppmain.c (main): Call cpp_init.
8225 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
8227 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
8228 (rtx_unstable_p, rtx_varies_p): Process vectors.
8230 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8232 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
8233 references to GLOBAL symbols. Use LOCAL where appropriate.
8235 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8237 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
8238 use t-aix41 when host == target.
8240 2000-08-16 Richard Henderson <rth@cygnus.com>
8242 * reload.c (push_secondary_reload): Revert last change.
8243 If we use a reload_in/out pattern, make the when the same
8244 as the primary reload.
8245 (find_reloads): Likewise.
8247 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
8249 * configure.in (libstdcxx-v3): Fix test.
8250 * configure: Regenerate.
8252 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8254 * calls.c (calls_function_1, expand_call): Only test
8255 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8256 * function.c (thread_prologue_and_epilogue_insns): Likewise.
8258 2000-08-16 Richard Henderson <rth@cygnus.com>
8260 * combine.c (simplify_shift_const): Revert previous two
8261 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
8262 before the main loop.
8264 2000-08-15 Richard Henderson <rth@cygnus.com>
8266 * combine.c (simplify_shift_const): Bound shift count when
8269 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8271 * calls.c (ECF_SP_DEPRESSED): New macro.
8272 (calls_function_1): Treat calling sp-depressed function as alloca.
8273 (emit_call_1): Don't adjust SP if calling sp-depressed function.
8274 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
8275 If sp-depressed, ensure block saves and restores SP.
8276 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
8278 * function.c (keep_stack_depressed): New function.
8279 (thread_prologue_and_epilogue_insns): Call it.
8280 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
8281 to print DECL_OFFSET_ALIGN.
8282 Print no-force-blk and transparent-union flags properly.
8283 * stmt.c (expand_goto_internal): Don't restore stack if last block
8284 and function returns with sp depressed.
8285 (fixup_gotos): Likewise.
8286 (save_stack_pointer): New function, from code in expand_decl.
8287 (expand_decl): Call new function.
8288 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
8289 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
8290 (save_stack_pointer): New declaration.
8292 * diagnostic.c (fatal_function): New variable.
8293 (set_fatal_function): New function.
8295 * diagnostic.h (set_fatal_function): New declaration.
8297 2000-08-15 William Cohen <wcohen@redhat.com>
8299 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
8300 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
8301 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
8303 2000-08-15 Richard Henderson <rth@cygnus.com>
8305 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
8307 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8309 * arm.c (arm_function_ok_for_sibcall): New function.
8310 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
8311 * arm.md (call expanders): Don't check here for calls that can't
8314 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8316 * arm.md (splits generating cond_exec): Disable.
8318 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8320 * arm/linux-elf.h (text_section): Delete declaration.
8322 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8324 ARM support for unordered FP operations.
8325 * arm-protos.h (arm_comparison_operator): Declare.
8326 * arm.c (arm_comparison_operator): New function.
8327 (arm_select_cc_mode): Add unordered comparison codes.
8328 (get_arm_condition_code): Likewise.
8329 (arm_final_prescan_insn): Can't handle unordered jumps that can't
8330 be done in one insn.
8331 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
8332 * arm.md (all uses of comparison_operator): Replace with
8333 arm_comparison_operator.
8334 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
8336 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
8339 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8341 * gthr-posix.h: Conditionally include <sched.h>; include
8342 <config.h> from libobjc/.
8344 2000-08-14 Richard Henderson <rth@cygnus.com>
8346 * config/i386/i386.c (legitimize_pic_address): Use Pmode
8349 2000-08-14 Richard Henderson <rth@cygnus.com>
8351 * configure.in (ia64-*): Set float_format for i386 long double.
8353 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
8354 as we would for i386 XFmode.
8355 (PUT_REAL): Likewise.
8356 (endian, ereal_atof, real_value_truncate): Likewise.
8357 (ereal_isneg, toe64, etens, make_nan): Likewise.
8358 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
8360 * config/ia64/ia64-protos.h: Update.
8361 * config/ia64/ia64.c (general_tfmode_operand): New.
8362 (destination_tfmode_operand): New.
8363 (tfreg_or_fp01_operand): New.
8364 (ia64_split_timode): New.
8365 (spill_tfmode_operand): New.
8366 (ia64_expand_prologue): Use TFmode not XFmode.
8367 (ia64_expand_epilogue): Likewise.
8368 (ia64_function_arg): Likewise.
8369 (ia64_function_arg_advance): Likewise.
8370 (ia64_return_in_memory): Likewise.
8371 (ia64_function_value): Likewise.
8372 (ia64_print_operand): Likewise.
8373 (ia64_register_move_cost): Set GR<->FR to 5.
8374 (ia64_secondary_reload_class): Get GR for TImode memory op.
8375 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
8376 (ROUND_TYPE_ALIGN): Remove.
8377 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
8378 (INTEL_EXTENDED_IEEE_FORMAT): Define.
8379 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
8380 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
8381 (MODES_TIEABLE_P): Use TFmode, not XFmode.
8382 (CLASS_MAX_NREGS): Likewise.
8383 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
8384 (PREDICATE_CODES): Update.
8385 * config/ia64/ia64.md (movti): New.
8386 (movti_internal): Use a clobber for memory alternatives.
8387 (reload_inti, reload_outti): New.
8388 (movsfcc_astep): Predicate properly.
8389 (movdfcc_astep): Likewise.
8392 (extendsftf2, extenddftf2): New.
8393 (trunctfsf2, trunctfdf2): New.
8394 (floatditf2, fix_trunctfdi2): New.
8395 (floatunsditf2, fixuns_trunctfdi2): New.
8396 (addtf3, subtf3, multf3, abstf2): New.
8397 (negtf2, nabstf2, mintf3, maxtf3): New.
8398 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
8400 (fr_spill): Use TFmode, not XFmode.
8401 (fr_restore): Likewise.
8402 * config/ia64/lib1funcs.asm (__divtf3): New.
8403 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
8405 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8407 * cse.c (fold_rtx): Avoid empty body in an if-statement.
8409 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
8410 `U' integer constant suffix.
8412 * dwarf2out.c (add_subscript_info): Avoid empty body in an
8415 * sparc/sol2.h (__enable_execute_stack): Prototype.
8417 2000-08-14 David Edelsohn <edelsohn@gnu.org>
8419 * collect2.c: Remove use of AIX import file.
8421 * longlong.h: Test ARCH_PWR not ARCH_POWER.
8423 * rs6000.c (print_operand, case 'E'): Add else.
8425 2000-08-14 Richard Henderson <rth@cygnus.com>
8427 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
8428 (movdi_symbolic): New.
8430 2000-08-14 Jim Wilson <wilson@cygnus.com>
8432 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8433 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
8434 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8437 2000-08-14 Richard Henderson <rth@cygnus.com>
8439 * expr.c (emit_group_load): Don't force constants into registers.
8440 Special case source already in the correct mode.
8442 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
8444 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
8445 * fixinc/inclhack.def: Likewise.
8446 * fixinc/mkfixinc.sh: Likewise.
8447 * configure: Regenerate.
8448 * fixinc/fixincl.x: Regenerate.
8449 * install.texi: Document equivalence of linux and linux-gnu.
8451 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8453 * cse.c (insert_regs): Also in REG case: When finding an invalid
8454 value, and we make a new quantity, make sure that it won't be
8455 mistaken by for a valid one by mention_regs.
8457 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
8459 * h8300.md: Remove obsolete peepholes.
8461 2000-08-13 Kazu Hirata <kazu@hxi.com>
8463 * invoke.texi (H8/300 Options): Fix typos.
8464 * config/h8300.c: Fix formatting.
8465 * config/h8300.h: Fix comment typos.
8466 (OVERRIDE_OPTIONS): Fix formatting.
8468 * function.c: Fix formatting.
8470 * cse.c: Fix formatting.
8472 2000-08-13 Geoff Keating <geoffk@cygnus.com>
8474 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
8475 (attempt_auto_inc): Suppress parentheses warning.
8476 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
8477 * loop.c (load_mems): Remove `u' suffix in two places.
8478 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
8480 * config/rs6000/rs6000.h: Likewise.
8481 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
8482 __eabi dummy routine.
8483 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
8486 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
8487 not put stuff in .sdata unnecessarily.
8488 (rs6000_unique_section): New function.
8489 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
8490 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
8492 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
8493 arrays in C99. Don't try to look at DECL_REGISTER of a
8494 COMPONENT_REF. Don't complain twice about the same error.
8496 * fixinc/inclhack.def (aix_pthread): New fix.
8497 (aix_sysmachine): New fix.
8498 * fixinc/fixincl.x: Regenerate.
8500 * expr.c (expand_expr): Call convert_modes when turning a large
8501 multiply into a small one.
8503 2000-08-12 Geoff Keating <geoffk@cygnus.com>
8505 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
8506 the tree structure an exponent rather than an explicit alignment
8507 so it doesn't overflow.
8508 (SET_DECL_OFFSET_ALIGN): New macro.
8509 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
8510 rather than DECL_OFFSET_ALIGN.
8511 (place_field): Likewise.
8512 * expmed.c (store_bit_field): Abort on align==0 to avoid
8513 antisocial machine behaviour.
8515 2000-08-12 Richard Henderson <rth@cygnus.com>
8517 * sibcall.c (uses_addressof): Accept both addressof and
8518 current_function_internal_arg_pointer inside a mem.
8519 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
8520 if current_function_uses_addressof.
8521 * stmt.c (expand_return): Kill tail recursion and HAVE_return
8524 2000-08-11 Richard Henderson <rth@cygnus.com>
8526 * config/ia64/ia64.md (addsi3): Remove expander.
8527 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
8528 (*addsi3_shladd): New.
8530 2000-08-11 Richard Henderson <rth@cygnus.com>
8532 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
8533 (do_restore): Likewise.
8534 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
8535 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
8536 (rtx_needs_barrier): Track actual bit manipulation for
8537 ar.unat moves, gr_spill, and gr_restore.
8538 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
8539 (process_set): Don't handle varargs spills.
8540 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
8541 .mem.offset here instead of in process_set.
8542 (gr_restore): Likewise.
8544 2000-08-11 Richard Henderson <rth@cygnus.com>
8546 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
8548 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
8550 * gcc.texi (The Configuration File): Document
8551 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
8552 UPDATE_PATH_HOST_CANONICALIZATION.
8554 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8556 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
8557 unprototyped function pointer casts on integer constants.
8559 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
8561 * fixproto: Recognize DOS paths with drive letters as absolute paths.
8563 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
8565 * extend.texi (Volatiles): Fix typos.
8567 2000-08-11 Kazu Hirata <kazu@hxi.com>
8569 * flow.c: Fix formatting.
8571 2000-08-11 Richard Henderson <rth@cygnus.com>
8573 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
8574 pattern, always allocate a tertiary scratch register.
8576 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
8577 (reload_inhi): Likewise.
8579 2000-08-11 Richard Henderson <rth@cygnus.com>
8581 * function.c (put_reg_into_stack): Allow type to be NULL.
8582 (schedule_fixup_var_refs): Likewise.
8583 (gen_mem_addressof): Allow decl to be NULL.
8584 (put_addressof_into_stack): Likewise.
8586 * flow.c (merge_blocks_nomove): Be more careful about
8587 locating the beginning of block A.
8589 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
8591 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8596 * config.in: Reverted the check for <sched.h>.
8598 2000-08-10 Chris Demetriou <cgd@sibyte.com>
8600 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
8601 macros define the name of CTOR and DTOR sections.
8602 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8603 DTOR_LIST_END): Change to use attributes to specify
8605 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
8606 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8607 DTOR_LIST_END): Same as in mips/elf.h.
8609 2000-08-10 Drew Moseley <dmoseley@redhat.com>
8611 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
8612 disabling just crt0.o.
8614 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
8616 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
8617 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
8618 (EXTRA_SPECS): Add them.
8619 * arm/lib1funcs.asm: Support builds for interworking.
8620 Use macros to eliminate duplicated pieces of code.
8622 2000-08-10 Kazu Hirata <kazu@hxi.com>
8624 * h8300.c (expand_a_rotate): New.
8625 (emit_a_rotate): Likewise.
8626 (h8300_adjust_insn_length): Add support for the rotate insns.
8627 * h8300.md (rotlqi3): New.
8628 (*rotlqi3_1): Likewise.
8629 (rotlhi3): Likewise.
8630 (*rotlhi3_1): Likewise.
8631 (rotlhi3): Likewise.
8632 (*rotlhi3_1): Likewise.
8633 * h8300-proto.h: Add prototypes for expand_a_rotate and
8636 * h8300.c: Fix comment typos.
8637 (dosize): Declare the variable amount as unsigned.
8638 (get_shift_alg): Fix a comparison between signed and unsigned.
8639 (emit_a_shift): Likewise.
8640 (h8300_adjust_insn_length): Simplify the code.
8642 * c-decl.c: Fix formatting.
8644 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8646 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
8647 warning about non-traditional numeric constant suffixes.
8649 * cppexp.c (parse_number): Likewise.
8651 * invoke.texi: (-Wtraditional): Document new behavior.
8653 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8655 * gthr-posix.h: Include auto-host.h. Conditionally include
8657 * configure.in: Check for the <sched.h> header file.
8658 * config.in: Added define for HAVE_SCHED_H.
8660 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8662 * c-typeck.c (process_init_element): For -Wtraditional, warn about
8663 initialization of unions.
8665 * invoke.texi (-Wtraditional): Document new behavior.
8667 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
8669 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
8670 instead of extra_c_flags.
8671 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
8672 * configure: Regenerate.
8673 * config.in: Regenerate.
8675 * cpperror.c (cpp_type2name): New function.
8676 * cpplex.c (lex_line): If we issued an error for an invalid
8677 preprocessing directive, discard that logical line.
8678 * cpplib.c (do_line): Call a hook function if the current file
8679 is renamed by #line.
8680 (do_ident): Pass the contents of the string, not the entire
8681 token, to the callback function.
8682 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
8683 (cb.rename_file): New hook function.
8684 (cb.ident): Adjust prototype.
8685 (cpp_type2name): Prototype.
8686 * cppmacro.c (dump_macro_args): Correct precedence lossage.
8688 * cppmain.c (cb_ident): Update for changed interface.
8689 (cb_rename_file): New function.
8690 (main): Set rename callback.
8692 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
8694 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
8695 multi-word registers.
8697 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8699 * c-common.c (combine_strings, check_format_info): Refer to ISO C
8700 or ISO C89 instead of ANSI C.
8701 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
8702 build_enumerator, do_case): Likewise.
8703 * c-lex.c (parse_float, yylex): Likewise.
8704 * c-parse.in: Likewise.
8705 * c-typeck.c (common_type, build_array_ref, build_binary_op,
8706 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
8707 build_c_cast, convert_for_assignment, set_init_index,
8708 set_init_label, c_expand_start_case): Likewise.
8709 * toplev.c (documented_lang_options, display_help): Likewise.
8711 2000-08-08 Kazu Hirata <kazu@hxi.com>
8713 * h8300.c: Fix formatting.
8714 * h8300.h: Likewise.
8715 * h8300.md: Likewise.
8716 (movsi_h8300hs): Fix formatting of the resulting assembly code.
8718 * reload1.c: Fix formatting.
8720 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
8722 * alpha/alpha.c (alpha_emit_xfloating_libcall):
8723 Use GEN_CALL_VALUE define.
8724 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
8725 * clipper/clipper.md (untyped_call): Likewise.
8726 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
8727 * fx80/fx80.md (untyped_call): Likewise.
8728 * mips/mips.md (untyped_call): Likewise.
8729 * ns32k/ns32k.md (untyped_call): Likewise.
8730 * pa/pa.md (untyped_call): Likewise.
8731 * romp/romp.md (untyped_call): Likewise.
8732 * sparc/sparc.md (untyped_call): Likewise.
8734 2000-08-08 Jason Eckhardt <jle@cygnus.com>
8736 * config/i860/i860.c (singlemove_string): Do not generate assembler
8737 pseudo instructions that must be expanded (that is, with signed
8738 constants larger than 16 bits).
8740 2000-08-08 Richard Henderson <rth@cygnus.com>
8742 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
8743 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
8744 (init_propagate_block_info): Don't kill memory stores at -O0.
8745 (mark_set_1, mark_used_regs): Likewise.
8747 2000-08-08 David Edelsohn <edelsohn@gnu.org>
8749 * rs6000.c (optimization_options): Decorate 'level' as
8751 (mask64_operand): Remove sign-extend thinko.
8752 (rldic_operand): New function.
8753 (load_multiple_operation): regno's are unsigned ints.
8754 (store_multiple_operation): Likewise.
8755 (lmw_operation): Likewise.
8756 (stmw_operation): Likewise.
8757 (includes_lshift_p): shift_mask is unsigned int.
8758 (includes_lshift64_p): New function.
8759 (addrs_ok_for_quad_peep): unsigned int reg1.
8760 (print_operand): Consistently add "else" after
8761 output_operand_lossage().
8762 (print_operand, case 'b'): Fold in case 'W'.
8763 (print_operand, case 'W'): Print rldic MB value.
8764 (output_epilogue): Update Objective-C language string.
8765 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
8766 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
8767 * rs6000.md (ashldi3): Add rldic instruction.
8768 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
8769 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
8772 2000-08-08 Richard Henderson <rth@cygnus.com>
8774 * config/ia64/ia64-protos.h: Remove duplicates. Update
8775 for massive code rearrangements.
8776 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
8777 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
8778 (ia64_local_regs, ia64_need_regstk): Remove.
8779 (ar_ccv_reg_operand): New.
8780 (ia64_gp_save_reg): New.
8781 (struct ia64_frame_info): Combine most of the size elements;
8782 add new gr save elements.
8783 (find_gr_spill): New.
8784 (next_scratch_gr_reg): New.
8785 (mark_reg_gr_used_mask): New.
8786 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
8787 to GR backing store regs when possible.
8788 (ia64_initial_elimination_offset): New.
8789 (ia64_rap_fp_offset): Remove.
8790 (save_restore_insns): Remove.
8791 (setup_spill_pointers): New.
8792 (finish_spill_pointers): New.
8793 (spill_restore_mem): New.
8794 (do_spill, do_restore): New.
8795 (ia64_expand_prologue): Rewrite to use them.
8796 (ia64_expand_epilogue): Likewise.
8797 (ia64_direct_return): Update for current_frame_info changes.
8798 (ia64_function_prologue): Simplify .prologue emission. Emit
8800 (ia64_setup_incoming_varargs): Don't ever emit rtl.
8801 (ia64_dbx_register_number): New.
8802 (ia64_initialize_trampoline): New.
8803 (ia64_secondary_reload_class): Request GR_REGS for integer
8804 arithmetic destined for FR_REGS.
8805 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
8806 (ia64_mark_machine_status): Mark ia64_gp_save.
8807 (rws_access_regno): Rename from rws_access_reg; don't treat
8808 predicates specially.
8809 (rws_access_reg): New. Update all callers.
8810 (rtx_needs_barrier): Remove dead unspecs.
8811 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
8812 (ia64_encode_section_info): Silence signed/unsigned warnings.
8813 (spill_offset, sp_offset, spill_offset_emitted): Remove.
8814 (tmp_reg, tmp_saved): Remove.
8815 (process_set): Rewrite to expect complicated bits via
8816 REG_FRAME_RELATED_EXPR.
8817 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
8818 in the use of ar.ccv; never set RTX_UNCHANGING_P.
8819 (ia64_expand_op_and_fetch): Likewise.
8820 (ia64_expand_compare_and_swap): Likewise.
8821 (ia64_expand_builtin): Likewise.
8822 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
8823 (FIRST_PSEUDO_REGISTER): Update.
8824 (AR_M_REGNO_P): Update.
8825 (FIXED_REGS): Don't mark three local registers as used.
8826 (EXTRA_CC_MODES): New.
8827 (SELECT_CC_MODE): New.
8828 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
8829 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
8830 (FRAME_GROWS_DOWNWARD): Unset.
8831 (STARTING_FRAME_OFFSET): Zero.
8832 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
8833 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
8834 (HARD_FRAME_POINTER_REGNUM): New.
8835 (CAN_DEBUG_WITHOUT_FP): Define.
8836 (TRAMPOLINE_TEMPLATE): Remove.
8837 (TRAMPOLINE_SIZE): Lower to 32.
8838 (TRAMPOLINE_ALIGNMENT): Lower to 64.
8839 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
8840 (PREDICATE_CODES): Update.
8841 (struct machine_function): Add ia64_gp_save.
8842 * config/ia64/ia64.md: Purge unused unspecs.
8843 (movsi patterns): Allow moves to/from AR_M_REGS.
8844 (movdi patterns): Allow moves to/from p0.
8845 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
8846 (gr_spill, gr_restore): Indicate ar.unat read/written.
8847 (nonlocal_goto): Don't pass old frame_pointer.
8848 (nonlocal_goto_receiver): Remove.
8849 (exception_receiver): New.
8850 (builtin_setjmp_setup): New.
8851 (builtin_setjmp_receiver): New.
8852 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
8853 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
8854 (__ia64_restore_stack_nonlocal): Likewise.
8855 (__ia64_trampoline): New.
8856 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
8858 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
8860 2000-08-08 Richard Henderson <rth@cygnus.com>
8862 * frame.h (ia64_frame_state): Add my_psp.
8863 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
8864 (__throw): Pass it in. Don't clobber r7.
8865 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
8866 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
8867 and nothing to do with sp.
8868 (normalize_reg_loc): Use frame->my_psp.
8869 (frame_translate): Handle frame-pointer-less functions. Set
8870 spill_base correctly, in absence of being told.
8871 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
8872 (__ia64_backtrace_helper): New sp argument. Use
8873 builtin_return_address instead of label addresses.
8874 (print_record) [mem_stack_v]: No size member.
8876 2000-08-08 Richard Henderson <rth@cygnus.com>
8878 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
8880 2000-08-08 Richard Henderson <rth@cygnus.com>
8882 * tm.texi (LOCAL_REGNO): Document.
8883 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
8884 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
8885 * reload1.c (reload): Likewise when considering nonlocal labels.
8887 * config/ia64/ia64.h (LOCAL_REGNO): New.
8888 * config/sparc/sparc.h (LOCAL_REGNO): New.
8890 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8892 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
8894 2000-08-07 Nick Clifton <nickc@redhat.com>
8896 * config/mips/mips.c: Fix compile time warning messages.
8897 * config/mips/mips-protos.h: Add prototype for equality_op.
8899 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
8901 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
8903 * mn10300.md: Use nonimmediate_operand instead of general_operand
8906 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
8908 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
8910 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
8911 * sh.c (expand_block_move): Break long lines.
8912 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
8913 * sh.md (mulsi3): Likewise.
8914 (movdi): Adjust spacing.
8916 2000-08-07 Richard Henderson <rth@cygnus.com>
8918 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
8919 * expr.c (emit_group_store): Don't set it.
8921 2000-08-07 Kazu Hirata <kazu@hxi.com>
8923 * invoke.texi (Options for Debugging Your Program or GCC): Remove
8924 duplicate entries for 'w' and 'z'.
8926 * flow.c: Fix a comment typo.
8928 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8930 * c-parse.in: Changed the language string for Objective-C to "GNU
8933 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8935 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
8936 to improve the Posix thread support for Objective-C.
8938 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
8940 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
8941 CTI_UNSIGNED_PTRDIFF_TYPE.
8942 (signed_size_type_node): Define.
8943 (unsigned_ptrdiff_type_node): Define.
8944 * c-decl.c (init_decl_processing): Create the
8945 signed_size_type_node and unsigned_ptrdiff_type_node types.
8946 * c-common.c (T_SC): Define.
8949 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
8950 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
8952 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
8953 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
8954 flags for %c, %s and %[.
8955 (check_format_info): Only allow leniency for signedness of targets
8956 of character pointers (when pedantic) for formats flagged with
8957 "c", so for strings but not for %hh formats. When pedantic, don't
8958 allow character pointers to substitute for void pointers if a
8959 second level of indirection is present.
8961 2000-08-06 Kazu Hirata <kazu@hxi.com>
8963 * invoke.texi (Options for Debugging Your Program or GCC): Update
8964 the names of dump files.
8966 * h8300.c (dosize): Rearrange code for conciseness.
8967 (split_adds_subs): Likewise.
8969 * loop.c: Fix formatting.
8971 * dwarf2out.c: Fix formatting.
8973 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
8975 * expr.c: Fix formatting.
8977 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8979 * rs6000.c (rs6000_maybe_dead): Prototype.
8981 2000-08-06 Richard Henderson <rth@cygnus.com>
8983 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
8984 HAVE_nonlocal_goto as well.
8985 * config/i960/i960.md (nonlocal_goto): Don't do it here.
8986 * config/pj/pj.md (nonlocal_goto): Likewise.
8988 2000-08-07 Michael Hayes <mhayes@cygnus.com>
8990 * loop.c (try_swap_copy_prop): New function.
8991 (load_mems): Rename copies to load_copies and add new regset
8992 store_copies. Check for sets of shadow registers and mark
8993 in store_copies. Call try_swap_copy_prop for registers
8994 marked in store_copies.
8996 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8998 * objc/objc-act.c: New command line option -fconstant-string-class
8999 to allow specifying a user defined constant string class,
9000 different from NXConstantString.
9002 * toplev.c: Moved the Objective-C specific options to
9003 objc/lang-options.h.
9005 * objc/lang-options.h: Moved the Objective-C specific options from
9006 toplev.c. Added -fconstant-string-class.
9008 2000-08-05 Chris Demetriou <cgd@sibyte.com>
9010 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9011 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
9012 __CTOR_LIST__ from func_ptr array to just func_ptr, to
9013 avoid extra alignment imposed on arrays.
9014 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9015 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
9017 * mips.h: Clean up comments and spacing near MASKs.
9018 (TARGET_UNIX_ASM): Delete.
9019 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
9020 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
9023 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
9025 * c-common.c (print_char_table): Add entries for the X/Open '
9026 format flag (print decimals with locale's thousands grouping
9027 character). Make %C expect wint_t.
9028 (check_format_info): If pedantic, warn when the %n$ operand
9029 number form is used. Allow for the ' flag; warn about it if
9032 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
9034 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
9035 type is a float mode, cfun->decl's return type is not, and
9036 TARGET_FLOAT_RETURNS_IN_80387.
9038 2000-08-04 Andreas Schwab <schwab@suse.de>
9040 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
9041 token list, which are always `#' and `pragma'.
9043 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
9045 * tree.c (tree_expr_nonnegative_p): Move to...
9046 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
9047 (rtl_expr_nonnegative_p): New.
9048 * tree.h: Add prototype for rtl_expr_nonnegative_p.
9050 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
9051 CONST_DOUBLE_CHAIN: Move to...
9052 * rtl.h: ...here. Use XCINT/XCEXP.
9054 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
9055 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
9056 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
9059 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
9061 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9063 * config/c4x/c4x.md (return_indirect_internal): New.
9064 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
9066 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9068 * c-common.c (time_char_table): Mark up formats added in C99 and
9069 make other corrections. %D and %g were added in C99. %Og is an
9070 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
9071 C99. %e was added in C99. %Oj is an extension. %G and %z are in
9072 C99 rather than GNU extensions, but %OG and %Oz are extensions.
9073 %h was added in C99. %C was added in C99. %OY and %OC are
9074 extensions. Add the C99 format %F.
9075 (check_format_info): If pedantic and not in C99 mode, warn for C99
9078 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9080 * function.c (schedule_fixup_var_refs): New function, broken out
9081 of put_reg_into_stack.
9082 (put_reg_into_stack): Use it.
9083 (put_var_into_stack): In CONCAT case, fixup up references for
9084 components only after fixing up references to the whole concat.
9086 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
9088 * alias.c (mark_constant_function): Use INSN_P.
9089 (init_alias_analysis): Likewise.
9090 * combine.c (combine_instructions): Use INSN_P.
9091 (can_combine_p): Likewise.
9092 (try_combine): Likewise.
9093 (distribute_notes): Likewise.
9094 (distribute_links): Likewise.
9095 * cse.c (cse_around_loop): Use INSN_P.
9096 (invalidate_skipped_block): Likewise.
9097 (cse_set_around_loop): Likewise.
9098 (cse_end_of_basic_block): Likewise.
9099 (delete_trivially_dead_insns): Likewise.
9100 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
9101 (unshare_all_rtl_1): Likewise.
9102 (next_cc0_user): Likewise.
9103 (try_split make_insn_raw): Likewise.
9104 (remove_unnecessary_notes): Likewise.
9105 * final.c (shorten_branches): Use INSN_P.
9106 (leaf_renumber_regs): Likewise.
9107 (leaf_renumber_regs_insn): Likewise.
9108 * flow.c (find_label_refs): Use INSN_P.
9109 (verify_wide_reg): Likewise.
9110 (notice_stack_pointer_modification): Likewise.
9111 (count_or_remove_death_notes): Likewise.
9112 (verify_flow_info): Likewise.
9113 (clear_log_links): Likewise.
9114 * function.c (fixup_var_refs_insns): Use INSN_P.
9115 (compute_insns_for_mem): Likewise.
9116 * gcse.c (alloc_gcse_mem): Use INSN_P.
9117 (compute_sets): Likewise.
9118 (compute_hash_table): Likewise.
9119 (classic_gcse): Likewise.
9121 (insert_insn_end_bb): Likewise.
9122 (delete_null_pointer_checks_1): Likewise.
9123 * global.c (expand_preferences): Use INSN_P.
9124 (build_insn_chain): Likewise.
9125 * graph.c (node_data): Use INSN_P.
9126 * haifa-sched.c (priority): Use INSN_P.
9127 (rm_line_notes): Likewise.
9128 (rm_other_notes): Likewise.
9129 (find_insn_reg_weight): Likewise.
9130 (init_target_units): Likewise.
9131 (schedule_block): Likewise.
9132 (compute_block_forward_dependences): Likewise.
9133 (debug_dependencies): Likewise.
9134 (set_priorities): Likewise.
9135 * integrate.c (function_cannot_inline_p): Use INSN_P.
9136 (save_parm_insns): Likewise.
9137 (copy_insn_list): Likewise.
9138 * jump.c (mark_all_labels): Use INSN_P.
9139 (never_reached_warning): Likewise.
9140 * lcm.c (optimize_mode_switching): Use INSN_P.
9141 * local-alloc.c (validate_equiv_mem): Use INSN_P.
9142 (memref_used_between_p): Likewise.
9143 (update_equiv_regs): Likewise.
9144 (block_alloc): Likewise.
9145 (no_conflict_p): Likewise.
9146 * loop.c (scan_loop): Use INSN_P.
9147 (find_and_verify_loops): Likewise.
9148 (count_loop_regs_set): Likewise.
9149 (loop_reg_used_before_p): Likewise.
9150 (strength_reduce): Likewise.
9151 (recombine_givs): Likewise.
9152 (check_dbra_loop): Likewise.
9153 (load_mems): Likewise.
9154 (try_copy_prop): Likewise.
9155 * print-rtl.c (print_rtx): Use INSN_P.
9156 * recog.c (find_single_use): Use INSN_P.
9157 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
9158 (next_flags_user): Likewise.
9159 (swap_rtx_condition): Likewise.
9160 * regmove.c (mark_flags_life_zones): Use INSN_P.
9161 (optimize_reg_copy_1): Likewise.
9162 (optimize_reg_copy_2): Likewise.
9163 (optimize_reg_copy_3): Likewise.
9164 (reg_is_remote_constant_p): Likewise.
9165 (fixup_match_2): Likewise.
9166 (regmove_optimize): Likewise.
9167 (fixup_match_1): Likewise.
9168 * regrename.c (build_def_use): Use INSN_P.
9169 (replace_reg_in_block): Likewise.
9170 (consider_use): Likewise.
9171 * reload.c (find_equiv_reg): Use INSN_P.
9172 * reload1.c (reload): Use INSN_P.
9173 (maybe_fix_stack_asms): Likewise.
9174 (calculate_needs_all_insns): Likewise.
9175 (reload_as_needed): Likewise.
9176 (emit_output_reload_insns): Likewise.
9177 (delete_address_reloads_1): Likewise.
9178 (reload_cse_regs_1): Likewise.
9179 (reload_combine): Likewise.
9180 (reload_cse_move2add): Likewise.
9181 * reorg.c (redundant_insn): Use INSN_P.
9182 (dbr_schedule): Likewise.
9183 * resource.c (find_dead_or_set_registers): Use INSN_P.
9184 (mark_target_live_regs): Likewise.
9185 * rtlanal.c (reg_used_between_p): Use INSN_P.
9186 (reg_referenced_between_p): Likewise.
9187 (reg_set_between_p): Likewise.
9188 (reg_set_p): Likewise.
9189 (single_set): Likewise.
9190 (multiple_sets): Likewise.
9191 (find_last_value): Likewise.
9192 (reg_set_last): Likewise.
9193 (find_reg_note): Likewise.
9194 (find_regno_note): Likewise.
9195 * sibcall.c (sequence_uses_addressof): Use INSN_P.
9196 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
9197 * ssa.c (find_evaluations): Use INSN_P.
9198 (rename_block): Likewise.
9199 (rename_equivalent_regs): Likewise.
9200 * unroll.c (loop_find_equiv_value): Use INSN_P.
9201 (set_dominates_use): Likewise.
9202 * varasm.c (mark_constant_pool): Use INSN_P.
9203 (mark_constants): Likewise.
9204 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
9205 (alphaev4_next_group): Likewise.
9206 (alphaev5_next_group): Likewise.
9207 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
9208 (c4x_rptb_rpts_p): Likewise.
9209 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
9210 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
9211 (rs6000_adjust_priority): Likewise.
9212 * config/sh/sh.c (sh_loop_align): Use INSN_P.
9213 (machine_dependent_reorg): Likewise.
9214 (split_branches): Likewise.
9215 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
9217 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
9219 * combine.c (recog_for_combine): Remove the old notes
9220 prior to attempting to recognize the new pattern.
9221 (distribute_notes): Ignore REG_NONNEG notes.
9223 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
9225 * varasm.c (output_constructor): Add .align 0 for packed vars.
9227 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9229 * configure.in: Use default thread_file even when enable_threads is
9230 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
9231 * configure: Rebuilt.
9233 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
9235 2000-08-04 Donn Terry (donnte@microsoft.com)
9237 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
9239 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9241 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
9242 Delete code that conditionally modifies 'version'.
9243 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
9244 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
9245 * gcc.c (main): Use it.
9246 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
9247 * prefix.c (update_path): Use it.
9248 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
9249 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
9250 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
9252 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
9253 (SUBTARGET_SWITCHES): Adjust.
9254 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
9256 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
9258 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9260 * c-common.h (flag_isoc94): Declare.
9261 * c-decl.c (flag_isoc94): Define.
9262 (c_decode_option): Set flag_isoc94 as appropriate.
9263 * c-common.c (T_PD, T_IM, T_UIM): Define.
9264 (format_char_info): Add tlen and jlen.
9265 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
9267 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
9269 (time_char_table): Add NULL entries for %t and %j.
9270 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
9271 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
9272 Warn for printf %lf if pedantic and not C99. Don't warn for empty
9273 precision. Allow precision argument to be unsigned int. If
9274 pedantic, warn for %p passed an argument not a pointer to possibly
9275 qualified void or a possibly qualified character type, and for
9276 pointer targets of the wrong sign, except for character pointers.
9278 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9280 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
9281 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
9282 (wint_type_node): Define.
9283 * c-decl.c (WINT_TYPE): Define.
9284 (init_decl_processing): Create the wint_type_node type.
9285 * c-common.c (T_WI): Define.
9286 (print_char_table): Use T_WI for %lc format.
9288 2000-08-04 Bruce Korb <bkorb@gnu.org>
9290 * fixinc/: Verified that the MSDOS patch does not break
9291 the UNIX functionality and applied the next three patches
9294 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
9296 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
9297 output file with the temporary one by appending ".X" to generate
9298 the temporary fuile's name. If the output file already has an
9299 extension, replace it with ".X".
9301 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
9302 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
9303 reallocate the command buffer while copying the command-line
9304 argument. Redirect the output directly to the temporary file,
9305 instead of going through another temporary file.
9306 (process): Close the temporary file before unlinking it.
9307 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
9308 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
9309 (run_compiles): Pass p_fixd argument to machine_matches, as it
9312 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
9313 environment, assume there are no symlinks in the include
9314 directory. When cleaning up the DONE files, look for them
9315 case-insensitively. Don't try to remove symlinks if they aren't
9318 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
9319 all callers changed. Declare pz "const char *", to avoid compiler
9322 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
9323 Change prototype of make_raw_shell_str.
9325 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
9327 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
9328 (initialize) [__MSDOS__]: Use tempnam.
9329 (initialize): Don't use SIGPIPE if it is not defined.
9331 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
9334 2000-07-25 Bruce Korb <bkorb@gnu.org>
9336 * fixinc/fix*.[ch]: substantially reworked to make it possible
9337 to run this program without using fork(2) or pipe(2) (i.e. in
9340 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9342 * cppdefault.h (WINT_TYPE): Define.
9343 * cppinit.c (builtin_array): Define __WINT_TYPE__.
9344 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
9345 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
9347 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
9349 * (mips_legitimate_address_p): Don't allow register+offset
9350 if the offset is large and negative, and we are compiling
9351 for 64 bit registers.
9353 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9355 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
9356 insn_code_number + 1.
9358 2000-08-04 Kazu Hirata <kazu@hxi.com>
9360 * h8300.c (function_prologue): Rearrange code for conciseness.
9361 (function_epilogue): Likewise.
9362 * h8300.h (OK_FOR_U): Fix formatting.
9364 * cse.c: Fix a comment typo. Fix formatting.
9366 2000-08-03 Richard Henderson <rth@cygnus.com>
9368 * config/i386/i386.md (return_indirect_internal): New.
9369 * config/i386/i386.c (ix86_expand_epilogue): Use it.
9371 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
9373 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
9375 (lex_line): Glue @ onto the beginning of identifiers and
9376 string constants, in Objective-C mode.
9377 (output_token, spell_token): Handle CPP_OSTRING.
9378 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
9379 beginning of a NAME or a STRING, in objc mode.
9381 * cpplib.c (get_define_node): Do not permit identifiers that
9382 begin with @ to be #defined.
9383 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
9384 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
9386 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
9387 * c-tree.h (build_objc_string): Delete prototype.
9388 * objc/objc-tree.def: Delete OBJC_STRING_CST.
9389 * c-lex.c (yylex): Use build_string for all three kinds of strings.
9391 * c-parse.in, objc/objc-act.c: Update commentary.
9393 2000-08-03 Mark Mitchell <mark@codesourcery.com>
9395 * extend.texi: Fix typo in last change.
9397 * extend.texi: Add commentary on statement-expressions and their
9398 interactions with C++.
9400 2000-08-03 Nick Clifton <nickc@cygnus.com>
9402 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
9403 * dwarf.h (LANG_JAVA): Change value to 0x000b.
9405 2000-08-03 Anthony Green <green@cygnus.com>
9407 * dwarf2out.c (gen_compile_unit_die): Add java language support.
9408 (add_bound_info): Check for java language.
9409 (is_java): New function.
9410 * dwarfout.c (output_compile_unit_die): Ditto.
9411 * dwarf.h (dwarf_source_language): Add java source language type.
9412 * dwarf2.h (dwarf_source_language): Ditto.
9414 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9416 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
9419 * i386.c (ix86_expand_branch): Mode of comparison in
9420 IF_THEN_ELSE is VOIDmode.
9422 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
9424 * gengenrtl.c, rtl.c: Avoid #elif.
9426 2000-08-03 Michael Poole <poole@troilus.org>
9428 * tm.texi (Register Classes): Clarify order of sub-initializers
9429 in REG_CLASS_CONTENTS.
9431 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9433 From SAITOH Masanobu:
9434 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
9436 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
9438 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
9439 is not supported by tradcpp and isn't actually needed for cygwin.
9441 2000-08-03 Kazu Hirata <kazu@hxi.com>
9443 * h8300.c: Fix a comment typo.
9444 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
9446 * jump.c: Fix formatting.
9448 * toplev.c: Fix formatting.
9450 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
9452 * flow.c (find_auto_inc): Verify that we've got a REG before
9453 peeking at its regno. Fail, don't abort if we can't find
9454 the increment of the desired register.
9456 * pa.md (shadd height reduction patterns/splitters): Remove.
9458 2000-08-02 Jim Wilson <wilson@cygnus.com>
9460 * config/ia64/ia64-protos.h (flag_ssa): Declare.
9461 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
9463 2000-08-02 Mark Mitchell <mark@codesourcery.com>
9465 * dce.c: Remove all uses of assert.
9466 * dwarf2out.c: Likewise.
9467 * dwarfout.c: Likewise.
9470 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9472 * gcc.h (lang_specific_driver): Constify second argument.
9473 * gcc.c (translate_options, process_command, main): Likewise.
9474 Constify variables to match. Cast second argument to
9477 * cppspec.c, gccspec.c: Adjust type of second argument to
9478 lang_specific_driver, and update code as necessary.
9480 2000-08-02 Jakub Jelinek <jakub@redhat.com>
9482 * loop.c (scan_loop): Ensure update_end label does not
9483 go away until reg_scan_update is run.
9485 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9487 * c-common.h: Prototype min_precision and c_build_qualified_type here...
9488 * c-tree.h: ... not here.
9489 * errors.h: Prototype fancy_abort.
9491 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
9492 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
9493 * regrename.c (regrename_optimize): Make control flow explicit.
9494 (replace_reg_in_block): Initialize reg_use to 0.
9496 * i386.c (legitimate_address_p): Rename error label to
9497 report_error to avoid namespace clash.
9499 2000-08-02 Kazu Hirata <kazu@hxi.com>
9501 * fold-const.c: Fix formatting.
9503 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
9505 * i386.c (legitimate_address_p): Accept other bases than
9506 pic_offset_table_rtx for GOTOFF constructs.
9508 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9510 * i386.md (shift to lea splitter): Use const_int_operand.
9512 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9514 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
9515 cppspec.c: Do not use 'legal' or 'illegal' in error messages
9518 * cppmain.c (cb_define, cb_undef): Don't generate any output
9519 if not done_initializing.
9520 * cpplex.c (maybe_paste_with_next): When the token after a ##
9521 is an omitted rest argument, only delete the token before it
9522 if that token is a comma. Do not warn about bogus token
9523 pastes for , ## rest_arg.
9526 * cpp.1: Regenerate.
9528 2000-08-02 Fred Fish <fnf@be.com>
9530 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
9531 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
9534 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
9535 Be directories to search path.
9537 Remove support for __declspec(dllimport) and __declspec(dllexport).
9538 This is leftover cruft from the earlier BeOS gcc port when BeOS
9539 used Microsoft's PE object file format.
9540 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
9541 * config/i386/t-beos (winnt.o): Remove Makefile frag.
9542 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
9543 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
9544 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9545 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
9546 (REDO_SECTION_INFO_P): Remove.
9547 (ASM_EXPORT_DECL): Remove.
9548 (ASM_DECLARE_FUNCTION_NAME): Remove.
9549 (ASM_DECLARE_OBJECT_NAME): Remove.
9550 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
9551 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
9552 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
9553 (STRIP_NAME_ENCODING): Remove.
9555 Remove support for obsolete version of BeOS that is no longer
9557 * configure.in (i*86-*-beospe*): Remove.
9558 * config/i386/beos-pe.h: Remove.
9560 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
9561 Mark Mitchell <mark@codesourcery.com>
9563 * Makefile.in (OBJS): Added dce.o.
9564 (ssa.o): Updated target to include ssa.h.
9566 (toplev.o): Likewise.
9567 (dce.o): Created target.
9568 * basic-block.h: Added comments.
9569 (INVALID_BLOCK): Added definition.
9570 (connect_infinite_loops_to_exit): Added declaration.
9571 Moved SSA declarations to ssa.h.
9572 * flow.c: Added inclusion of ssa.h.
9573 (struct depth_first_search_dsS, depth_first_search_ds):
9575 (compute_immediate_postdominators): Added definition.
9576 (connect_infinite_loops_to_exit): Likewise.
9577 (flow_dfs_compute_reverse_init): Likewise.
9578 (flow_dfs_compute_reverse_add_bb): Likewise.
9579 (flow_dfs_compute_reverse_execute): Likewise.
9580 (flow_dfs_compute_reverse_finish): Likewise.
9581 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
9582 (LABEL_P): Added definition.
9585 (BARRIER_P): Likewise.
9586 (JUMP_TABLE_DATA_P): Likewise.
9587 (INSN_DEAD_CODE_P): Likewise.
9588 * ssa.c: Replaced inclusions with ssa.h inclusion.
9589 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
9590 (rename_registers): Removed unnecessary variables.
9591 * ssa.h: Created by moving declarations from ssa.c and
9593 * timevar.def: Defined TV_DEAD_CODE_ELIM.
9594 * toplev.c: Added ssa.h inclusion.
9595 (dump_file_index): Added DFI_dce.
9596 (dump_file): Added "dce" entry.
9598 (f_options): Added dce entry.
9599 * invoke.texi: Document -fdce. Emphasize experimental status of
9603 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
9605 * cpperror.c (v_message): Split into _cpp_begin_message and
9606 v_message macro. All callers updated.
9607 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
9610 * cppfiles.c (cpp_syshdr_flags): New function.
9611 (read_include_file): Don't call cpp_output_tokens. Call
9613 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
9614 (cpp_reader_init): Don't initialize token_buffer. Call
9615 _cpp_init_internal_pragmas.
9616 (cpp_cleanup): Don't clear token_buffer.
9617 (cpp_start_read): Don't worry about output from -D processing.
9618 Don't call cpp_output_tokens.
9619 (cpp_finish): Don't dump macros here. Don't call
9621 * cppmacro.c (_cpp_dump_definition): Rename
9622 cpp_dump_definition. Write directly to a FILE *.
9623 (dump_funlike_macro): Delete.
9624 (dump_macro_args): New.
9626 * cpplex.c (TOKEN_LEN): Convert to inline function.
9627 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
9628 cpp_scan_line, _cpp_dump_list): Delete.
9629 (cpp_printf, cpp_output_list): New.
9630 (output_line_command): Don't worry about entering or leaving files.
9631 (cpp_scan_buffer): Just output each token as we hit it.
9632 (process_directive): Don't call cpp_output_tokens.
9633 (_cpp_glue_header_name): Don't use token_buffer.
9634 (output_token, dump_param_spelling): Write directly to a FILE *.
9636 * cpplib.c (pass_thru_directive, dump_macro_name,
9637 pragma_dispatch, do_pragma_gcc): Delete.
9638 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
9639 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
9641 (do_error, do_warning, pragma_dependency): Call
9642 _cpp_begin_message, then cpp_output_list.
9643 (cpp_register_pragma, cpp_register_pragma_space,
9644 _cpp_init_internal_pragmas): New.
9645 (do_pragma): Walk the pragmas table here.
9646 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
9647 do_pragma_dependency): Return void.
9648 (do_pragma_implementation): Moved to cppmain.c.
9650 * cpplib.h: Update prototypes.
9651 (struct cpp_reader): Remove printer, token_buffer,
9652 token_buffer_size, and limit. Add struct cb, and pragmas.
9653 (struct cpp_printer): Remove last_id and written.
9654 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
9655 CPP_ADJUST_WRITTEN): Delete.
9656 * cpphash.h: Update prototypes.
9657 (ufputs): New wrapper.
9659 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
9660 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
9661 (main): Set up callbacks. Register #pragma implementation.
9662 Dump macros from here.
9664 2000-08-01 Geoff Keating <geoffk@cygnus.com>
9666 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
9667 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
9668 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
9669 insns if they have a REG_MAYBE_DEAD note attached.
9670 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
9671 (rs6000_emit_load_toc_table): TOC loads may go dead.
9673 2000-08-01 Jim Wilson <wilson@cygnus.com>
9675 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
9676 type exists before using it. Use number of words as alignment
9678 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
9679 ia64_va_arg): Propagate ia64_function_args changes here.
9681 2000-08-01 Richard Henderson <rth@cygnus.com>
9683 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
9684 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
9686 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
9688 From Joern Rennecke:
9689 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
9690 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
9691 unless TARGET_SH3E is set.
9692 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
9694 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
9695 (ashlsi3_std): New pattern.
9696 (ashlsi3 expander): Use it for TARGET_SH3.
9697 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
9699 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9701 * loop.c (canonicalize_condition): Use destination, not source to
9702 determine SET's mode.
9704 2000-07-31 Mark Mitchell <mark@codesourcery.com>
9706 * flow.c (clear_log_links): Fix typo.
9708 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
9710 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
9711 on targets which need more than one insn for a compare/cbranch
9714 2000-07-31 Jim Wilson <wilson@cygnus.com>
9716 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
9717 when computing offset.
9719 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
9721 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
9723 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9725 * flow.c (clear_log_links): Nuke global_live_at_start and
9726 global_live_at_end data, since if the log_links stuff is invalid
9727 so is global_live_at_*.
9729 2000-07-31 Richard Henderson <rth@cygnus.com>
9731 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
9733 2000-07-31 Jakub Jelinek <jakub@redhat.com>
9735 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
9736 (_cpp_get_token): Don't macro expand a just pasted token if it
9737 was pasted at no_expand_level.
9739 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9741 * cppmacro.c (find_param, count_params, save_expansion):
9742 Permit 'defined' as a macro parameter name.
9744 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9746 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
9747 xcpp to cpp throughout.
9748 (native): Remove unnecessary dependency on cpp.
9750 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
9751 tradcpp to tradcpp0.
9752 (.i spec): Add missing output-file spec to cc1 command line.
9753 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
9755 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9757 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
9758 (implicit_decl_warning): New function.
9759 (implicitly_declare): Use it.
9760 * c-typeck.c (build_external_ref): Use implicit_decl_warning
9761 to complain about implicit decls of builtins.
9763 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
9764 based on pedantic && flag_isoc99, if not already set.
9765 * c-tree.h: Declare mesg_implicit_function_declaration.
9766 Prototype implicit_decl_warning.
9768 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
9770 * Makefile.in (ssa.o): Updated header files in dependences.
9771 * basic-block.h: Added compute_immediate_postdominators declaration.
9772 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
9774 * flow.c (compute_immediate_dominators): Updated comment.
9775 (compute_immediate_postdominators): Added definition.
9776 * rtl.h (HARD_REGISTER_P): Added definition.
9777 * ssa.c: Include additional header files.
9778 (assert): Added definition.
9779 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
9780 include select hard registers.
9781 (ssa_rename_to_insert): Likewise.
9782 (ssa_rename_from_initialize): Likewise.
9783 (ssa_rename_from_lookup): Likewise.
9784 (original_register): Likewise.
9785 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
9786 include select hard reigsters.
9787 (ssa_rename_from_traverse): Likewise.
9788 (ssa_rename_from_free): Likewise.
9789 (ssa_rename_from_print): Likewise.
9790 (ssa_rename_from_print_1): Likewise.
9791 (ssa_rename_from_hash_function): Likewise.
9792 (ssa_rename_from_equal): Likewise.
9793 (ssa_rename_from_delete): Likewise.
9794 (simplify_to_immediate_dominators): Removed in favor of
9795 flow.c:compute_immediate_dominators.
9796 (find_evaluations_1): Modified to work with hard registers.
9797 (insert_phi_node): Likewise.
9798 (insert_phi_nodes): Likewise.
9799 (struct rename_set_data): Updated prev_reg comment.
9800 (create_delayed_rename): Modified to work with hard registers.
9801 (RENAME_NO_RTX): Updated comment.
9802 (apply_delayed_renames): Modified to work with hard registers.
9803 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
9804 (rename_block): Updated to use revised ssa_rename_to interface.
9805 (rename_registers): Updated to use revised ssa_rename_to and
9806 ssa_rename_from interface.
9807 (convert_to_ssa): Revised to use compute_immediate_dominators and
9808 deal with hard registers.
9809 (make_regs_equivalent_over_bad_edges): Modified to work with hard
9810 registers. Added check for illegal unification of hard register.
9811 (make_equivalent_phi_alternatives_equivalent): Modified to work
9812 with hard registers.
9813 (compute_conservative_reg_partition): Likewise.
9814 (coalesce_if_unconflicting): Modified to work with hard registers
9815 and check for conflicting hard registers.
9816 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
9818 (rename_equivalent_regs_in_insn): Modified to work with hard
9820 (record_canonical_element_1): Added definition.
9821 (check_hard_regs_in_partition): Added definition.
9822 (convert_from_ssa): Added data structure deallocation and check
9823 for illegal hard register unification.
9824 (conflict_hard_regs_p): Added definition.
9825 * toplev.c (rest_of_compilation): Added comment.
9827 2000-07-31 Anthony Green <green@redhat.com>
9829 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
9831 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
9833 * builtins.c (expand_builtin_apply): Don't defer pop during
9836 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9838 * calls.c (combine_pending_stack_adjustment_and_call): Only use
9839 preferred_unit_stack_boundary when it is > 1.
9841 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
9843 * c-common.c (init_function_format_info): Add C99 format functions
9846 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
9847 void' or 'register void' as being the special case of 'void' alone
9848 in a parameter list.
9850 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
9851 discarding qualifiers into a plain warning.
9853 2000-07-31 Kazu Hirata <kazu@hxi.com>
9855 * combine.c: Fix formatting.
9857 * h8300.md: Fix formatting.
9859 * local-alloc.c: Fix formatting.
9861 * h8300.c (get_shift_alg): Remove the variable alg.
9862 (emit_a_shift): Rearrange code to improve readability.
9864 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
9866 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
9867 HImode on all architectures and a combination of HImode and SImode
9868 on H8/300H and H8/S.
9870 * h8300.c (split_adds_subs): Rearrange code for conciseness.
9872 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
9874 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
9877 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9879 * recog.c (extract_insn): Set operand_mode according to
9880 operand if match_operand is VOIDmode.
9882 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
9884 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
9886 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9888 * c-parse.in (extdefs): Call ggc_collect between external
9891 2000-07-30 Michael Hayes <mhayes@cygnus.com>
9892 Richard Henderson <rth@cygnus.com>
9894 * Makefile.in (OBJS): Add doloop.o.
9895 * doloop.c: New file.
9897 * final.c (insn_current_reference_address): Return 0 before final.
9898 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
9899 * jump.c (any_uncondjump_p): Likewise.
9900 * loop.c (indirect_jump_in_function): Make static.
9901 (strength_reduce): Call doloop_optimize.
9902 (insert_bct, instrument_loop_bct): Remove.
9903 * loop.h (doloop_optimize): Prototype.
9904 * recog.c (split_all_insns): Split all INSN_P.
9905 * toplev.c (flag_branch_on_count_reg): Default on.
9907 * config/c4x/c4x.c (c4x_optimization_options): Don't set
9908 flag_branch_on_count_reg.
9909 * config/i386/i386.c (override_options): Likewise.
9910 * config/rs6000/rs6000.c (optimization_options): Likewise.
9912 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
9914 (dbra_ge): Remove, as well as all it's splitters.
9916 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
9919 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
9920 (ia64_register_move_cost): Declare.
9921 * config/ia64/ia64.c (ar_lc_reg_operand): New.
9922 (struct ia64_frame_info): Add ar_size.
9923 (ia64_compute_frame_size): Set it.
9924 (save_restore_insns): Save and restore ar.lc.
9925 (ia64_register_move_cost): New, moved from header file. Handle
9926 application registers.
9927 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
9928 (emit_insn_group_barriers): Special case doloop_end_internal.
9929 (ia64_epilogue_uses): Mark ar.lc live at end.
9930 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
9931 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
9932 (FIRST_PSEUDO_REGISTER): Make room.
9933 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
9934 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
9935 (REG_ALLOC_ORDER): Update.
9936 (HARD_REGNO_MODE_OK): Update.
9937 (REGISTER_NAMES): Update.
9938 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
9939 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
9940 (REGNO_REG_CLASS): Update.
9941 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
9942 (REGISTER_MOVE_COST): Move out of line.
9943 (PREDICATE_CODES): Update.
9944 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
9945 (addsi3_plus1_alt, adddi3_plus1_alt): New.
9946 (shladd_elim splitter): Allow constants in the predicate.
9947 (doloop_end, doloop_end_internal): New.
9949 2000-07-30 Richard Henderson <rth@cygnus.com>
9951 * genattrtab.c (struct insn_def): Add lineno member.
9952 (struct insn_ent): Likewise.
9953 (struct attr_desc): Likewise.
9954 (struct delay_desc): Likewise.
9955 (struct function_unit_op): Likewise.
9956 (struct function_unit): Likewise.
9957 (check_attr_value): Use message_with_line.
9958 (check_defs): Likewise.
9959 (expand_units): Likewise.
9960 (check_attr_test): Take a lineno argument.
9961 (gen_attr): Likewise.
9962 (gen_insn): Likewise.
9963 (gen_delay): Likewise.
9964 (gen_unit): Likewise.
9965 (main): Give it to them.
9966 (convert_set_attr_alternative): Take an insn_def argument
9967 instead of num_alt and insn_index.
9968 (convert_set_attr): Likewise.
9969 (write_test_expr): Protect INSN_ADDRESSES load
9970 with INSN_ADDRESSES_SET_P.
9972 2000-07-30 Richard Henderson <rth@cygnus.com>
9974 * flow.c (init_propagate_block_info): Use pc_set.
9976 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9978 * i386.md (*lea_general_[123]) New insns and splits.
9979 (addsi3 to lea splitter): Handle other modes too.
9980 (shlsi3 to lea splitter): Likewise.
9981 (addhi_1_lea, shlhi_1_lea): New patterns.
9982 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
9984 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9986 * recog.c (general_operand, nonimmediate_operand): Accept
9987 any mode for VOIDmode CONSTANT_P operands.
9989 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9991 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
9992 instead of replace_rtx.
9993 * recog.c (validate_replace_rtx_subexp): New function.
9994 * recog.h (validate_replace_rtx_subexp): Declare.
9996 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9998 * combine.c (simplify_set, make_extraction, make_compound_operation
9999 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
10000 as force_to_mode argument.
10002 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
10004 * combine.c (if_then_else_cond): Be sure that mode fits in
10007 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
10009 * combine.c (record_promoted_value): Allow bitsize of mode
10010 to be equivalent to HOST_BITS_PER_WISE_INT.
10012 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10014 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
10015 Do not call gen_mode_alignment when mode is BLKmode.
10017 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
10019 * loop.c (express_from_1): Fix call of simplify_gen_binary.
10021 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
10023 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
10024 VOIDmode implies both operands to be VOIDmode.
10025 (simplify_ternary_operation): Compute properly the mode of comparison.
10026 * combine.c (combine_simplify_rtx): Likewise.
10028 2000-07-25 Michael Hayes <mph@paradise.net.nz>
10030 * basic-block.h (struct loops): New field rc_order.
10031 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
10032 (flow_loops_free): Free rc_order.
10033 (flow_depth_first_order_compute): New parameter rc_order.
10034 (flow_loops_find): Allocate rc_order and swap usage with
10037 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10038 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10040 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
10041 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
10042 (nodb_call, return_from_epilogue): Likewise.
10043 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
10044 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
10045 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
10046 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10047 (c4x_valid_type_attribute_p): Likewise.
10048 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
10049 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
10051 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10053 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
10054 and loadhi_big_constant if applicable.
10055 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
10056 and add new splitter.s
10058 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10060 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
10062 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10064 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
10066 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10068 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
10070 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10072 * config/c4x/libgcc.S (divqf3): Improve accuracy.
10074 2000-07-27 Mark Mitchell <mark@codesourcery.com>
10076 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
10077 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
10078 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
10079 (get_prev_bb_note): Likewise.
10080 (remove_scope_notes): Likewise.
10081 * flow.c (commit_one_edge_insertion): Likewise.
10082 (merge_blocks_nomove): Likewise.
10083 (verify_flow_info): Likewise.
10084 * gcse.c (insert_insn_end_bb): Likewise.
10085 * reg-stack.c (emit_swap_insn): Likewise.
10086 * ssa.c (first_insn_after_basic_block_note): New function.
10087 (insert_phi_node): Use it.
10088 (rename_block): Likewise.
10089 (eliminate_phi): Likewise.
10090 (make_regs_equivalent_over_bad_edges): Likewise.
10091 (make_equivalent_phi_alternatives_equivalent): Likewise.
10092 (for_each_successor_phi): Likewise.
10093 (convert_from_ssa): Modify phi-node deletion algorithm.
10095 2000-07-29 Andreas Jaeger <aj@suse.de>
10097 * configure.in (mips*-*-linux*): Use mips*el to check for little
10098 endian MIPS, add tmake_file.
10100 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
10101 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
10102 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
10104 2000-07-28 Richard Henderson <rth@cygnus.com>
10106 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
10107 Sign extend mode size before negating.
10109 2000-07-28 Richard Henderson <rth@cygnus.com>
10111 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
10113 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
10115 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
10116 (cse_insn): Likewise.
10117 (addr_affects_sp_p): Likewise.
10118 * expr.c (move_by_pieces): Likewise.
10119 (clear_by_pieces): Likewise.
10120 * gcse.c (oprs_unchanged_p): Likewise.
10121 * haifa-sched.c (sched_analyze_2): Likewise.
10122 * recog.c (offsettable_address_p): Likewise.
10123 * regclass.c (record_address_regs): Likewise.
10124 * reload.c (find_reusable_reload): Likewise.
10125 (push_reload): Likewise.
10126 (operands_match_p): Likewise.
10127 (decompose): Likewise.
10128 (find_reloads_address_1): Likewise.
10129 (find_inc_amount): Likewise.
10130 * reload1.c (elimination_effects): Likewise.
10131 * resource.c (mark_set_resources): Likewise.
10132 * flow.c (attempt_auto_inc): New function; mostly broken out
10134 (find_auto_inc): Split into two functions and enhanced to
10135 generate POST_MODIFY.
10136 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
10137 * rtl.h (count_all_occurrences): Declare.
10138 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
10140 * rtlanal.c (count_all_occurrences): New function.
10141 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
10142 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
10144 * config/ia64/ia64-protos.h (destination_operand): Declare.
10145 * config/ia64/ia64.c (destination_operand): New function.
10146 (ia64_print_operand): Handle POST_MODIFY.
10147 (rtx_needs_barrier): Likewise.
10148 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
10149 (HAVE_POST_MODIFY_REG): Define to 1.
10150 (MAX_REGS_PER_ADDRESS): Change to 2.
10151 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
10152 (LEGITIMATE_ADDRESS_REG): New helper macro.
10153 (LEGITIMATE_ADDRESS_DISP): Likewise.
10154 (PREDICATE_CODES): Add entry for destination_operand.
10155 * config/ia64/ia64.md (all mov patterns): Use destination_operand
10156 predicate for operand 0.
10158 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10160 * dwarf2out.c: Indent #error directive.
10162 * gbl-ctors.h: Fix typo in comment.
10163 (__do_global_ctors): Prototype.
10165 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10167 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10168 (print_operand): Initialize variable `t'.
10170 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10172 * config/arm/arm.md ("call_value"): removed constraints.
10173 Constraints are ignored in expanders.
10174 (*call_value_reg): split =rf into various constraints.
10175 (*call_value_mem): same
10176 (*call_value_symbol): same
10177 (*sibcall_value_insn): same
10179 2000-07-28 Philipp Thomas <pthomas@suse.de>
10181 * install.texi (--enable-nls): Change the description of the NLS
10182 related configure options to match the current state.
10183 (--with-included-gettext): Likewise.
10184 (--enable-maintainer-mode): New description added.
10185 * extend.texi (-fstrict-prototype): Add missing '.'.
10187 2000-07-27 Jim Wilson <wilson@cygnus.com>
10189 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
10190 DECL_INITIAL (decl) == NULL_TREE.
10192 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
10194 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
10195 on insn-attr.h with it.
10196 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
10197 * insn-addr.h: New header.
10198 (insn_addresses_): Renamed from insn_addresses.
10199 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
10200 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
10201 INSN_ADDRESSES_NEW): New macros.
10202 * genattrtab.c (write_test_expr): Use new macros.
10203 * final.c (insn_addresses, init_insn_lengths): Likewise.
10204 (align_fuzz, shorten_branches): Likewise.
10205 (final): Likewise. Do not reject new insns if their addresses
10206 have been added to INSN_ADDRESSES.
10207 * config/arm/arm.c, config/avr/avr.c: Use new macros.
10208 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
10209 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
10210 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
10211 * config/sh/sh.c: Likewise.
10212 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
10214 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
10216 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
10218 * gcc.c (struct prefix_list): Add member priority.
10219 (enum path_prefix_priority): Declare.
10220 (add_prefix): Replace ``first'' with ``priority''. Append new
10221 entry but keep list in priority order.
10222 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
10223 PREFIX_PRIORITY_LAST to add_prefix.
10224 (process_command): Move include kludge - foo/stageN - to before
10227 2000-07-27 Jason Merrill <jason@redhat.com>
10229 * dwarf2out.c (gen_typedef_die): Abort if we get identical
10230 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
10232 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
10234 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
10235 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
10237 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
10239 * c-decl.c (finish_function): Don't treat 'main' specially unless
10240 flag_hosted. In C99 mode, return 0 from 'main' unless
10241 DEFAULT_MAIN_RETURN is otherwise defined.
10243 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
10244 parameters defaulting to int in an old-style function definition.
10246 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10248 * c-parse.in (string): For -Wtraditional, warn about string
10249 concatenation only once per line.
10251 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
10253 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
10254 for HI-UX/WE2 systems.
10256 2000-07-24 Bruce Korb <bkorb@gnu.org>
10258 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
10259 defining the __xxx_TYPE__ macros.
10260 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
10261 * fixincl/fixlib.h: don't need to include "tm.h" anymore
10262 * fixincl/inclhack.def(type_map): now obsolete
10264 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
10266 * cpp.texi: Append a trailing full-stop to xrefs where needed.
10268 2000-07-26 Dave Pitts <dpitts@cozx.com>
10270 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
10272 (mvs_hash_alias): New function.
10273 (mvs_add_alias): Change argument spacing.
10274 (mvs_need_alias): Change aliasing criteria. Added documentation.
10275 (mvs_get_alias): Change to use hashed name. The hashed name prevents
10276 CSECT name collisions.
10277 (mvs_check_alias): Likewise.
10278 (handle_pragma): Change documentation.
10279 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
10280 mode from SImode to DImode.
10281 (iorhi3): Changed LTORG size for insn.
10283 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
10285 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
10286 mem if the address is a mode_dependent_address_p.
10288 2000-07-26 Kazu Hirata <kazu@hxi.com>
10290 * h8300.c (print_operand): Print ":8" when the 'R' operand is
10291 suitable for 8-bit absolute.
10292 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
10293 (OK_FOR_U): Add a case for the 8-bit constant address on the
10296 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
10298 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
10299 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
10300 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
10301 lack of implemented alignment.
10303 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
10305 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
10306 cross-compiling between 64-bit and 32-bit machines.
10308 2000-07-27 Richard Henderson <rth@cygnus.com>
10310 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
10311 (movhicc_astep, movhi_internal_astep): New.
10312 (movsicc_astep, movsi_internal_astep): New.
10313 (movdicc_astep, movdi_internal_astep): New.
10314 (movsfcc_astep, movsf_internal_astep): New.
10315 (movdfcc_astep, movdf_internal_astep): New.
10316 (movxfcc_astep, movxf_internal_astep): New.
10317 (cmovdi_internal_astep, cmovsi_internal_astep): New.
10318 Unify the cmov[ds]i splitters.
10320 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
10322 * real.c (asctoeg): Rename `error' label to unexpected_char_error
10324 2000-07-26 Nick Clifton <nickc@cygnus.com>
10326 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
10327 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
10329 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
10330 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
10332 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
10334 * c-decl.c (finish_enum): Convert enumerations that fit in an
10336 (build_enumerator): In pedantic mode, cast to `int' those that
10339 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
10341 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
10343 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10345 * sh.md (cmpgtdi_t): Must be split.
10346 (cmpgtdi_t+1): New splitter.
10348 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10350 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
10351 warnings for indented directives even if we are skipping.
10353 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
10355 * invoke.texi (strict-prototypes): Remove.
10356 * extend.texi (Deprecated Features): Add strict-prototypes.
10357 (Backwards Compatibility): New node.
10359 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10361 * config/i386/i386.md (andsi_1+1): Allow HImode.
10362 (andsi_1+2): Require q_regs_operand.
10364 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10366 * config/i386/i386.md (call_pop): Check operands[0],
10367 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10369 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10370 (call_value): Likewise.
10372 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10374 * toplev.c (pipe_closed): Delete.
10375 (crash_signal): New. Generate ICE for a fatal signal.
10376 (float_signal): Call crash_signal outside a float-handler
10378 (main): Install crash_signal as handler for core-dumping signals.
10380 2000-07-25 David Edelsohn <edelsohn@gnu.org>
10382 * rs6000.c (print_operand, case 'T'): New case.
10384 * rs6000.md (call_indirect_aix32): Convert to expander of
10385 scheduled instructions.
10386 (call_indirect_aix64): Likewise.
10387 (call_value_indirect_aix{32,64}): Likewise.
10388 (call, call_value): Invoke expanders for AIX. Fall through to
10390 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
10391 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
10392 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
10393 only "g" constraint.
10394 (call_nonlocal_aix64): Likewise.
10395 (call_value_nonlocal_aix{32,64}): Likewise.
10396 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
10398 (call_value_nonlocal_sysv): New pattern.
10399 (indirect_jump{si,di}): Use new 'T' modifier.
10400 (tablejump{si,di} matchers): Likewise.
10401 (return_internal_{si,di}): Likewise.
10402 (return_eh_{si,di}): Likewise.
10404 2000-07-24 Richard Henderson <rth@cygnus.com>
10406 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
10407 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
10408 * config/ia64/ia64.md (movdi_internal): Use it.
10410 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
10412 * cppexp.c: Warn about unary + if -Wtraditional.
10413 * cpplex.c (lex_line): Always set BOL on the first token of a line.
10415 2000-07-24 Michael Meissner <meissner@redhat.com>
10417 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
10420 2000-07-24 Nick Clifton <nickc@cygnus.com>
10422 * config/arm/arm.c (emit_multi_reg_push): Generate a
10423 REG_FRAME_RELEATED_NOTE that is compatable with the code in
10424 dwarf2out_debug_frame_expr.
10426 2000-07-24 Jason Merrill <jason@redhat.com>
10428 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
10429 UNALIGNED_INT_ASM_OP.
10430 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
10431 a location expression.
10432 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
10433 assume indirect access if we're saving the CFA address exactly.
10435 * Makefile.in (bootstrap): Move -BstageN/ to the end.
10437 2000-07-24 Jakub Jelinek <jakub@redhat.com>
10439 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
10442 2000-07-24 Michael Meissner <meissner@redhat.com>
10444 * invoke.texi (D30V Options): Add d30v options.
10446 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
10448 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
10449 needed by our gcse pass anymore.
10450 (free_pre_mem): Corresponding changes.
10451 (compute_pre_data): Do not call compute_transpout anymore.
10453 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
10454 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
10457 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
10458 (compute_pre_data): Do it here instead.
10460 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
10462 (pre_delete): Corresponding changes.
10464 2000-07-23 Mark Mitchell <mark@codesourcery.com>
10466 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
10467 to figure out whether or not a variable has already been emitted.
10469 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
10471 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
10472 instead of gen_call.
10474 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
10476 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
10478 2000-07-23 Kazu Hirata <kazu@hxi.com>
10480 * h8300.c: Fix formatting.
10482 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
10484 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
10485 for `long' switch expression into a plain warning.
10487 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
10488 (yylex): Don't pedwarn for "inline" in C99 mode.
10490 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
10492 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
10493 ggc_alloc): Likewise.
10494 * bb-reorder.c (dump_scope_forest_1): Likewise.
10496 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
10498 * reload.c (find_reloads_toplev): Add new parameter
10499 "address_reloaded".
10500 (find_reloads): Add new parameter to find_reloads_toplev calls.
10502 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
10504 * collect2.c (main): Typo fixed.
10505 * diagnostic.c: Typo fixed.
10506 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
10507 * eh-common.h: Typo fixed.
10508 * emit-rtl.c (start_sequence): Typo fixed.
10509 * flow.c (find_label_refs): Typo fixed.
10510 (calculate_global_regs_live): Typo fixed.
10511 (mark_regno_cond_dead): Typo fixed.
10512 (create_edge_list): Typos fixed.
10513 (verify_edge_list): Typo fixed.
10514 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
10515 * loop.c (strength_reduce): Typo in function name fixed.
10516 * rtl.h: Added comments. Typo in function name fixed.
10517 * rtlanal.c: Typo in function name fixed.
10518 (insn_dependant_p): Rename to ...
10519 (insn_dependent_p): ... this.
10520 (computed_jumo_p): Typo fixed.
10522 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10524 * system.h (__FUNCTION__): Wrap definition in #ifndef.
10526 2000-07-21 David Edelsohn <edelsohn@gnu.org>
10528 * rs6000.h (SIZE_TYPE): Define.
10530 2000-07-21 Mark Mitchell <mark@codesourcery.com>
10532 * ssa.c (rename_insn_1): Don't rename registers that are
10535 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
10537 * diagnostic.c (trim_filename, fancy_abort): Moved here from
10539 (fatal_function, set_fatal_function): Removed.
10540 (fatal): Don't prepare for or call the fatal_function.
10541 (diagnostic_lock, error_recursion): New.
10542 (diagnostic_for_decl, report_diagnostic): Guard against
10543 re-entering the error reporting routines.
10544 (fancy_abort): Assume function is not NULL.
10546 * errors.c (fancy_abort): New. Assume function is not NULL.
10547 * tradcpp.c (fancy_abort): Assume function is not NULL.
10549 * system.h: Provide default definition of __FUNCTION__.
10550 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
10551 Always use __FUNCTION__ in definition of abort.
10552 * tree.h: Likewise.
10553 * varray.h: Likewise.
10554 * toplev.h: Likewise. Don't prototype set_fatal_function.
10556 2000-07-20 Geoff Keating <geoffk@cygnus.com>
10558 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
10560 * glimits.h: Don't do #if defined for ARCH_PPC.
10562 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
10563 constants of size no larger than a pointer should go in the TOC.
10564 Add 'MODE' parameter.
10565 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
10566 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
10567 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
10568 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
10569 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
10570 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
10571 (rs6000_legitimize_address): Likewise.
10572 (rs6000_emit_move): Likewise.
10573 (rs6000_select_rtx_section): Likewise.
10574 (output_toc): Deal properly with outputting small constants like
10575 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
10576 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
10577 MODE parameter. Put small constants in the TOC.
10579 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
10581 (rs6000_emit_move): When reload calls us with an illegitimate
10582 address, exit early. Move the change_address calls to one place
10583 at the end of the routine. Merge the SImode and DImode expanders.
10584 When called by reload to put an integer into a FP register, force
10587 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
10589 (rs6000_hash_constant): Hash mode too.
10590 (toc_hash_function): Allow for key_mode.
10591 (toc_hash_eq): Structures are different if key_mode differs.
10592 (output_toc): Add 'mode' parameter. Save key_mode.
10593 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
10594 Pass 'mode' parameter.
10595 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
10597 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
10598 for vtable references.
10600 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
10601 choice, don't put integer values in FP regs.
10603 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
10605 * flow.c (verify_flow_info): Revamp code to verify that the
10606 head and end of each basic block are in the insn chain.
10608 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
10610 * gcse.c (record_one_set): Prepend instead of append onto
10611 reg_set_table, making it O(n) instead O(n^2).
10612 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
10613 Use a queue instead of a stack as worklist.
10615 2000-07-20 Kazu Hirata <kazu@hxi.com>
10617 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
10618 * h8300.h (OK_FOR_T): New.
10619 (EXTRA_CONSTRAINT): Support OK_FOR_T.
10620 * h8300.md: Use inc/dec.[wl] for increment/decrement
10621 by 1 and 2 in HI and SI modes.
10623 2000-07-20 Jim Wilson <wilson@cygnus.com>
10625 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
10626 larger than 14 bits.
10628 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
10630 * cppmacro.c (CAN_PASTE_AFTER): New macro.
10631 (count_params): Don't set GNU_REST_ARGS on anything.
10632 (save_expansion): Set PASTE_LEFT only on tokens for which
10633 CAN_PASTE_AFTER is true, or which are named operators.
10635 * cpplex.c (parse_args): Distinguish between a rest argument
10636 given one empty argument, and a rest argument given zero arguments.
10637 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
10638 deletion of previous token based on that.
10639 (get_raw_token): Flatten some control structure.
10641 * cpplib.h (CPP_LAST_EQ): Correct.
10642 (VOID_REST): New token flag.
10643 (GNU_REST_ARGS): Delete.
10645 * tradcpp.c (main): Don't munge -D options.
10646 (make_definition): Bring -D handling in line with cpplib.
10647 (do_define): Strip all leading whitespace from macro definitions.
10649 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
10651 * Makefile.in (tradcpp): Depend on intl.o and version.o.
10653 2000-07-20 Bruce Korb <bkorb@gnu.org>
10655 * fixincl/check.tpl: strip the platform specific types before testing
10656 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
10657 * fixincl/fixincl.tpl: use platform specific types
10658 * fixincl/fixlib.h: include the platform specific types
10659 * fixincl/inclhack.def(gnu_types): don't supply the types
10660 * fixincl/fixincl.x: regen
10662 2000-07-19 Jim Wilson <wilson@cygnus.com>
10664 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
10667 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10669 * tradcpp.c (rescan): Do not recognize directives when the #
10672 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10674 Implement C++ named operators.
10676 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
10677 of operators allowed in #if and having an _EQ variant. Add
10678 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
10679 (cpp_token flags): Add NAMED_OP.
10680 (enum node_type): Add T_OPERATOR.
10681 (struct cpp_hashnode): Add code slot to value union.
10682 * cpphash.h (spec_nodes): Remove n_defined.
10684 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
10685 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
10686 (is_macro_disabled): Tweak error messages.
10688 * cpplib.c (get_define_node): Disallow all named operators as
10689 macro names. Tweak error messages.
10690 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
10692 * cppinit.c (builtin_array): Add entries for the named operators.
10693 * cppexp.c (lex): Check for CPP_DEFINED token.
10694 (priority table): Add entries for CPP_MIN and CPP_MAX.
10695 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
10697 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
10699 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
10700 larger than the array of cuids.
10701 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
10704 2000-07-19 Bruce Korb <bkorb@gnu.org>
10706 * fixinc/fixincl.c: Convert to using a table of environment variables
10707 and activate the auto-edit marker on the fixed output files.
10708 * fixinc/fixlib.h: Define the environment table
10709 * fixinc/fixincl.sh: export the ${INPUT} dir
10710 * fixinc/check.tpl: likewise
10712 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10714 * gcc.c (.h spec): Fix typo.
10716 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
10718 * Makefile.in: Fix tradcif.c path.
10720 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10722 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
10725 * cpphash.h (TOKEN_NAME): New macro.
10726 (_cpp_spell_operator): Deleted.
10727 (token_spellings): Now _cpp_token_spellings.
10729 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
10730 * cpplex.c: Use OP and TK macros when expanding the
10731 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
10732 store the stringification of the enumeration name (CPP_CHAR,
10733 etc.) in the name slot of token_spellings.
10734 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
10735 token_spellings directly.
10736 * cpplib.c: Use TOKEN_SPELL.
10738 * cpplex.c (_cpp_push_token): If the token being pushed back
10739 is the previous token in this context, just subtract one from
10741 * cppmacro.c (save_expansion): Clear aux field when storing a
10744 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10746 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
10747 buffer, provided it is not NULL.
10749 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
10751 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
10752 case of invalid volatile re-declaration.
10754 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10756 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
10757 (expand_call): Adjust caller.
10759 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
10761 * diagnostic.h (report_diagnostic): Change prototype.
10763 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
10764 diagnostic_for_decl): Change prototype.
10765 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
10766 error, warning, error_with_file_and_line,
10767 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
10768 Adjust call to report_diagnostic, diagnostic_for_decl.
10769 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
10770 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
10772 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
10773 varaible argument list.
10775 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10777 * cpphash.c: Don't include hashtab.h. Most macro-handling code
10778 moved to cppmacro.c.
10779 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
10780 dump_hash_helper): Delete.
10781 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
10782 cpp_forall_identifiers): New. Implement specialized version of
10783 Vlad's expandable hash table.
10784 (cpp_lookup): Use new functions.
10785 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
10787 * cppmacro.c: New file.
10788 * cppinit.c (dump_macros_helper): New.
10789 (cpp_finish): Iterate over the identifier table directly.
10790 * cpplex.c (parse_name): Calculate the hash of the identifier
10791 while we scan it. Use _cpp_lookup_with_hash when we can.
10793 * cpphash.h: Update prototypes.
10794 (xcnewvec, HASHSTEP): New helper macros.
10795 * cpplib.h: Update prototypes.
10796 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
10797 (cppmacro.o): New rule.
10798 (cpphash.o): Update deps.
10800 * cppmain.c: Do not set pfile->printer if no_output is on.
10802 2000-07-15 Neil Booth <neilb@earthling.net>
10804 * cpplib.c: Change all directive-handler functions to return
10806 * cpphash.h: Update typedefs.
10808 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10810 * configure: Regenerate.
10812 * extend.texi (Extended Asm): Mention that a memory clobber
10813 does not count as a side-effect.
10815 * unroll.c (copy_loop_body): Fix one instance of using host
10816 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
10819 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
10821 2000-07-17 Richard Henderson <rth@cygnus.com>
10823 * config/ia64/ia64.md (movdi): Split out load address code.
10824 New post-reload splitter for symbolic operands.
10825 (movdi_internal): Abort if we didn't split symbolic operands
10826 when we should have.
10827 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
10828 (ia64_reorg): Split insns when not optimizing.
10829 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
10831 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10833 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
10834 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
10836 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10838 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
10840 2000-07-17 Jason Merrill <jason@redhat.com>
10842 * Makefile.in (clean): Remove libgcc directory.
10844 * configure.in (-Wno-long-long check): Use higher-level macros.
10846 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10848 * simplify-rtx.c (simplify_binary_operation): Recognize
10849 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
10850 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
10851 a CONST_INT, it will always be zero.
10853 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10855 * loop.c (check_dbra_loop) : Return if more than one condition is
10856 present to control the loop.
10858 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
10860 * mips.c (mips_expand_prologue): Don't calculate the last argument
10861 register unless we need it. When we are calculating this, make
10862 sure FUNCTION_ARG is giving us a REG.
10864 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10866 * flow.c (libcall_dead_p): Use single_set to verify the insn
10867 has only one set and get for analysis.
10868 (propagate_one_insn): Don't pass the PATTERN of the insn.
10870 2000-07-17 Mark Klein <mklein@dis.com>
10872 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
10874 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10876 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
10877 * configure.in (TARGET_GETGROUPS_T): Evaluate.
10878 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
10879 of second argument of getgroups.
10880 * configure, config.in: Rebuilt.
10882 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10884 * simplify-rtx.c (simplify_relational_operation): Two signed
10885 values with equal high words are less/greater than each other if
10886 their low words are less/greater when considered as unsigned.
10888 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
10890 * configure.in (vax-*-openbsd): Change to new style configuration,
10891 add collect2/float_format information.
10892 * configure: Rebuilt.
10893 * config/vax/openbsd1.h: New.
10894 * config/vax/openbsd.h: New.
10895 * config/vax/t-openbsd: New.
10897 2000-07-17 Chip Salzenberg <chip@valinux.com>
10899 * c-common.c (shorten_compare): Quiet warnings about unsigned
10900 comparisons with zero when they occur in a system header.
10902 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
10904 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
10905 update to describe current practice.
10907 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
10909 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
10910 references to C9X. Change references to -fstd and -flang-isoc9x
10913 * c-common.c (scan_char_table): Allow "z" length modifiers on
10915 (check_format_info): Use TYPE_DOMAIN on the type matched against
10916 for "z" formats, to retrieve the language size_t rather than the
10919 * c-common.c (check_format_info): Do not make a pedantic objection
10920 to the 'L' length modifier if used with a floating point type
10923 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
10924 constants in C99 mode.
10926 2000-07-17 Kazu Hirata <kazu@hxi.com>
10928 * h8300.md: Fix the format of mac.
10929 (movsi_h8300hs): Output a tab after stmac instead of a space.
10931 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
10932 profitable adds/subs sequences.
10934 * fold-const.c: Fix comment typos.
10936 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
10938 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
10940 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10942 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
10944 2000-07-16 Neil Booth <NeilB@earthling.net>
10946 * cpplex.c: Update comments.
10947 * README.Portability: Small update.
10949 2000-07-16 Neil Booth <NeilB@earthling.net>
10951 * README.Portability: Small update.
10953 2000-07-15 Richard Henderson <rth@cygnus.com>
10955 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
10956 * config/ia64/ia64.c (ia64_move_ok): New function.
10957 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
10958 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
10960 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
10962 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
10963 immediately following a paste operator.
10964 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
10965 (cpp_reader_init): Call it, if HOST_EBCDIC.
10966 (cpp_handle_options): Do not sort option list here.
10967 (handle_option): Rename to cpp_handle_option and export.
10968 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
10969 _cpp_get_token directly.
10970 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
10971 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
10972 * cpplib.h: Prototype cpp_handle_option. Update prototype of
10975 2000-07-15 Richard Henderson <rth@cygnus.com>
10977 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
10978 cast around an expression. Tidy other unsigned tests.
10980 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
10982 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
10983 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
10984 (v_message_with_decl): Rename to ...
10985 (format_with_decl): ... this. Tweak
10986 (diagnostic_for_decl): New function.
10987 (fatal_io_error): Use verbatim in lieu of notice.
10988 (announce_function): Use verbatim.
10989 (default_print_error_function): Likewise.
10990 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
10993 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10995 * mips.c (function_arg_pass_by_reference): Don't do automatic
10996 aggregate initialization.
10997 (machine_dependent_reorg): Initialize variable `mode'.
10999 * mips.md (absdi2): Change variable `regno1' to unsigned int.
11000 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
11001 conflicts with sys/param.h macro of the same name.
11002 (reload_outdi): Likewise.
11004 2000-07-15 Michael Meissner <meissner@redhat.com>
11006 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
11007 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
11008 create a new node instead.
11010 2000-07-15 Neil Booth <NeilB@earthling.net>
11012 * README.Portability: Correct example about calling a function
11013 through a pointer to function. Format wide paragraphs.
11015 2000-07-15 Michael Meissner <meissner@redhat.com>
11017 * README.Portability: Update integer suffixes and function
11018 prototype sections.
11020 2000-07-15 Neil Booth <NeilB@earthling.net>
11022 * README.Portability: Small update.
11024 2000-07-15 Neil Booth <NeilB@earthling.net>
11026 * README.Portability: New file.
11028 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
11030 * INSTALL: Give special instructions for building GCC on Irix 6.
11031 * config/mips/x-iris6 (CC): Don't set it.
11034 2000-07-14 Jason Merrill <jason@redhat.com>
11036 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
11037 register in the stack and later in another register, use the new
11040 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
11042 * config/mips/mips.md: (absdi2): Handle sign_extend for
11045 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
11047 * cpplib.c (do_pragma_dependency): Tidy warning messages.
11049 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
11051 * .cvsignore: Correct typo.
11053 2000-07-13 Mark Mitchell <mark@codesourcery.com>
11055 * .cvsignore: Add generated YACC files.
11056 * objc/.cvsignore: New file.
11058 2000-07-14 Neil Booth <NeilB@earthling.net>
11060 * cpplex.c (adjust_column): New funcion.
11061 (skip_whitespace): Use it.
11062 (skip_block_comment): Use it, and warn about /*/* with
11065 2000-07-14 Neil Booth <NeilB@earthling.net>
11067 * cpphash.c (struct macro_info): Add new members.
11068 (_cpp_free_definition): Delete the macro directly.
11069 (count_params): Return void, with first token of
11070 expansion in struct macro_info on success.
11071 (parse_define): Return int. Hoist syntax checking from
11072 save_macro_expansion. Leave call to save_expansion to
11073 _cpp_create_definition.
11074 (alloc_macro): Needs just 2 arguments.
11075 (free_macro): Delete.
11076 (save_expansion): Don't perform syntax check.
11077 (_cpp_create_definition): Call save_expansion.
11079 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11081 * genrecog.c (write_header): Split long string.
11083 * cpphash.c (macro_info): Don't use the `signed' keyword.
11085 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
11087 2000-07-13 Jakub Jelinek <jakub@redhat.com>
11089 * calls.c (stored_args_map): New variable.
11090 (check_sibcall_argument_overlap_1): New.
11091 (check_sibcall_argument_overlap): New.
11092 (expand_call): Initialize stored_args_map.
11093 Call check_sibcall_argument_overlap.
11095 2000-07-13 Bruce Korb <bkorb@gnu.org>
11097 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
11098 (emit_gnu_type): utility procedure for gnu_type_fix
11099 (gnu_type_fix): implement various pre-processor guards around
11100 standard types so these types can be defined over and over
11101 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
11102 types alluded to above will have GNU-compliant base types
11103 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
11104 * fixinc/inclhack.def: add test_text entries and utilize the new
11105 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
11106 * fixinc/fixincl.x: regenerate
11108 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11110 * diagnostic.c (vline_wrapper_message_with_location,
11111 v_message_with_file_and_line, v_error_with_file_and_file,
11112 v_error_for_asm, v_warning_for_asm, vfatal,
11113 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
11114 vsorry, verror, vwarning, vpedwarn): Remove.
11115 (diagnostic_for_asm): New function.
11116 (pedwarn, error, warning, pedwarn_with_file_and_line,
11117 error_with_file_and_line, warning_with_file_and_line, sorry,
11118 error_for_asm, warning_for_asm, fatal): Reimplement.
11119 (finish_diagnostic): Clear diagnostic info as well.
11121 2000-07-13 Neil Booth <NeilB@earthling.net>
11123 * c-common.h (flag_digraphs): New.
11124 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
11125 * c-lex.c (yylex): Use flag_digraphs to decide whether to
11128 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
11130 * gcc.c (do_spec_1): Add new %B operator.
11131 (set_input): Prepare for %B.
11133 (link_command_spec): Move up with the other tm.h-
11134 overrideable specs. Factor out the portion conditional on
11135 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
11136 (struct compiler): Just have a single spec string. All users
11138 (default_compilers): Remove unnecessary braces.
11139 (static_specs): Update.
11141 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
11143 (C and assembly specs): Use the new named specs, as appropriate.
11145 * objc/lang-specs.h: Use the new named specs.
11146 Remove unnecessary braces.
11148 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11150 * gcc.c (execute): If a subprocess gets a fatal signal, report
11151 strsignal() of the signal number, and ask for a bug report.
11152 Do not do this for SIGPIPE if there's already been an error.
11154 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
11155 Delete pipe_closed.
11157 * tradcif.c: Remove.
11159 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11161 * final.c (profile_function): Do not emit profile counters in
11162 the data section, if NO_PROFILE_COUNTERS is defined.
11163 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11166 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11167 (FUNCTION_PROFILER): Just emit a call to mcount.
11169 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11171 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11173 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11174 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11175 traditional, lang_chill, or lang_fortran.
11177 * cppfiles.c: #undef strcmp to suppress warning about macros
11178 used without arguments.
11179 (_cpp_execute_include): Use f, not fname, in "No include path"
11181 (_cpp_pop_file_buffer): New function.
11182 * cpplib.c: Don't include <sys/mman.h>.
11183 (cpp_push_buffer): Set line_base and lineno in new buffer.
11184 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
11186 * cpplex.c: Move all prototypes and structure declarations to the
11187 top of the file. Properly parenthesise some macro arguments.
11188 (cpp_scan_line): New function.
11189 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
11190 don't need to walk up the stack counting.
11192 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11194 * c-common.c (combine_strings): Emit a pedantic warning when a
11195 string length is greater than the minimum ANSI C is required
11198 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
11200 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
11201 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
11203 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11205 * c-decl.c (define_label): Warn about identifier conflicts with
11206 labels in traditional C.
11208 * c-parse.in (unop +): Warn about the unary plus operator for
11211 * c-typeck.c (store_init_value): Warn about automatic aggregate
11212 initialization for traditional C.
11214 * invoke.texi (-Wtraditional): Document new warnings.
11216 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11218 * Makefile.in (c-errors.o): Fix thinko in dependency.
11220 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11222 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
11223 -traditional, -ftraditional, or -traditional-cpp was given.
11224 Do not pass -traditional to the preprocessor.
11225 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
11226 preprocessor does it automatically.
11227 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
11229 * ch/lang-specs.h: Always use tradcpp. Do not pass
11230 -traditional, -trigraphs, or -pedantic to the preprocessor.
11231 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
11234 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11236 * cppexp.c (LOGICAL): Delete macro.
11237 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
11240 * cpphash.c (HASHSIZE): Increase to 4096.
11241 (struct hashdummy): Add hash field.
11242 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
11243 the string values using memcmp.
11244 (cpp_lookup): Set dummy.hash.
11246 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
11248 * configure.in (m88k-openbsd): Express configuration using new fragment
11250 * configure: Rebuilt.
11251 * m88k/aout-dbx.h: New.
11252 * m88k/openbsd.h: New.
11253 * m88k/xm-openbsd.h: New.
11255 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11257 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
11259 2000-07-12 Richard Henderson <rth@cygnus.com>
11261 * reload.c (push_secondary_reload): Make sure to add the new
11262 reload at the end, after acquiring secondary memory.
11264 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11266 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
11268 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
11269 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
11271 * c-parse.in (stmt): Delete unused variables.
11273 * convert.c (convert_to_vector): Likewise.
11275 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
11277 * tree.c (finish_vector_type): Prototype.
11279 2000-07-12 Bruce Korb <bkorb@gnu.org>
11281 * fixinc/fixfixes.c: use xmalloc
11282 * fixinc/fixincl.c(initialize): set program name for xmalloc
11283 * fixinc/fixlib.c(must_malloc): obsolete
11284 (is_cxx_header): no longer used - disabled
11285 (skip_quote): inserted and disabled for future use
11286 * fixinc/fixlib.h: reflects above
11287 * fixinc/fixtests.c: removed dinkleberries
11289 2000-07-12 Neil Booth <NeilB@earthling.net>
11291 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
11292 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
11294 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
11295 struct toklist_dummy): New.
11296 (cpp_free_definition): Free macros with free_macro.
11297 (count_params): Don't save paramter spellings. Save macro
11298 information in a struct macro_info.
11299 (parse_define): Don't allocate a token list.
11300 (save_expansion): Allocate the macro's token list, and
11301 save parameter spellings if necessary. Use TOKEN_SPELL.
11302 (cpp_create_definition): Make list const.
11304 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11306 * c-typeck.c (pedwarn_c99): Move to
11307 * c-errors.c: ... Here.
11308 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
11309 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
11310 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
11311 (c-errors.o): List dependency.
11313 2000-07-12 Mark Mitchell <mark@codesourcery.com>
11315 * c-parse.c: Remove.
11316 * c-parse.h: Likewise.
11317 * c-parse.y: Likewise.
11318 * objc/objc-parse.c: Likewise.
11319 * objc/objc-pasre.y: Likewise.
11321 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
11323 * gcc.texi: Fix minor typos
11324 * extend.texi: Fix minor typos
11326 2000-07-11 Marc Espie <espie@openbsd.org>
11328 * collect2.c (main): Recognize .lo as object files.
11330 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11332 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
11335 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
11336 with MAP_ANONYMOUS and MAP_ANON.
11337 * configure, config.in: Rebuilt.
11339 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11341 * diagnostic.c (save_output_state): Remove.
11342 (restore_output_state): Likewise.
11343 (clear_text_info): New function.
11344 (clear_diagnostic_info): Likewise.
11345 (output_text_length, is_starting_newline, output_prefix,
11346 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
11347 prefixing_policy, output_buffer_ptr_to_format_args): New macros
11348 (set_real_maximum_length, output_set_maximum_length,
11349 output_set_prefix, output_get_prefix, output_set_maximum_length,
11350 output_destroy_prefix, init_output_buffer,
11351 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
11352 output_add_newline, output_add_character, output_add_space,
11353 output_append_r, output_append, wrap_text, output_format,
11354 output_do_printf, output_printf, output_do_verbatim,
11355 output_verbatim, verbatim): Use them.
11356 (output_clear): Split into cleat_text_info and
11357 clear_diagnostic_info.
11358 (struct output_state): Move to...
11360 * diagnostic.h: ...Here
11361 (struct output_buffer): Adjust.
11363 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
11365 * cpplex.c (parse_name): No longer inline (premature optimization).
11366 (do_pop_context): Fold into pop_context.
11367 (pop_context): Returns int.
11368 (lex_next): Hoist test for end of directive into pop_context.
11369 (push_macro_context): Returns int; takes just reader and token.
11370 Hoist test for excessive nesting to caller.
11371 (push_arg_context): Returns void; takes just reader and token.
11372 Do not call stringify_arg or get_raw_token.
11373 (get_raw_token): Convert tail recursion through push_arg_context
11374 to a loop at this level. Call stringify_arg here if appropriate.
11375 (maybe_paste_with_next): Convert tail recursion to a while loop.
11376 Hoist test of paste_level to caller.
11378 (stringify_arg): Push arg context at beginning.
11379 (cpp_get_token): Split out core into _cpp_get_token. Call
11380 process_directive here. Throw away CPP_PLACEMARKER tokens.
11381 (_cpp_get_token): Convert tail recursion through
11382 push_macro_context to a loop at this level.
11383 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
11384 _cpp_get_raw_token): Use _cpp_get_token.
11385 (_cpp_skip_rest_of_line): Drop the context stack directly; do
11386 not call pop_context.
11387 (_cpp_run_directive): Call lex_next directly.
11389 * cpphash.h: Prototype _cpp_get_token.
11390 * cppexp.c (lex): Use it.
11391 * cpphash.c (parse_define): Use it.
11392 * cpplib.c (get_define_node, do_undef, parse_include,
11393 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
11394 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
11395 parse_ifdef, validate_else): Use it.
11396 (cpp_push_buffer): Tweak error message; abort if anyone tries
11397 to push a buffer while macro expansions are stacked.
11399 2000-07-11 Donn Terry <donnte@microsoft.com>
11401 * cpplex.c (free_macro_args, save_token): Cast arg of free
11402 and/or xrealloc to PTR.
11403 (_cpp_init_input_buffer): Clear all fields of the base context.
11405 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
11407 * gensupport.c (process_rtx): Make rtl checking stop
11408 complaining about the define_insn while it is being
11409 converted from a define_insn_and_split.
11411 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
11413 * config/mips/mips.c (simple_memory_operand): Access the
11414 INTVAL of the address, not it's containing MEM.
11416 2000-07-11 Bruce Korb <bkorb@gnu.org>
11418 * fixinc/fixtests.c(double_slash): obsolete
11419 (else_endif_label): likewise
11420 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
11421 (libc1_ifdefd_memx): correct initial comment
11422 and omit the #if/#endif pair from the memxxx declarations
11423 * fixinc/fixincl.x: regen
11425 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11427 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
11429 2000-07-11 Neil Booth <NeilB@earthling.net>
11431 * cpp.texi: Update.
11433 2000-07-11 Neil Booth <NeilB@earthling.net>
11435 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
11436 (handle_option): Set digraphs according to standard.
11437 Merge OPT_lang_c89 handler with OPT_std_c89.
11439 * cpplex.c: (lex_line, can_paste): Honour digraphs in
11440 accordance with the digraphs flag.
11442 * cpplib.h: (struct cpp_options): New option digraphs.
11444 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
11445 Bruce Korb <bkorb@gnu.org>
11447 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
11448 * fixinc/fixincl.x: Regenerate.
11449 * fixinc/tests/base/testing.h: Add testcase.
11451 2000-07-10 Richard Henderson <rth@cygnus.com>
11453 * config/ia64/ia64.c (got_symbolic_operand): New.
11454 (symbolic_operand, move_operand): Revert 0701 change.
11455 * config/ia64/ia64.h (PREDICATE_CODES): Update.
11456 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
11457 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
11458 split the offset into a 14-bit low part instead of a 13-bit low part.
11459 (load_fptr): Mark the mem as unchanging.
11460 (load_symptr): Use got_symbolic_operand.
11462 2000-07-10 Nick Clifton <nickc@cygnus.com>
11464 * libgcc2.c (next_stack_level): Cast result of computation to
11465 (void **) so that the assignment does not generate a warning.
11467 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
11469 * flags.h : Add new variable flag_single_precision_constant.
11470 * toplev.c (display_help) : Add -fsingle-precision-constant option.
11471 (flag_single_precision_constant): New.
11472 * c-lex.c (yylex): Convert floating point constant to single
11473 precision constant.
11474 * invoke.texi : Add documentation for this new option.
11476 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11478 * diagnostic.c (output_octal): Second parameter is unsigned.
11479 (output_long_octal): Likewise.
11480 (output_hexadecimal): Likewise.
11481 (output_long_hexadecimal): Likewise.
11482 (output_format): Adjust arguments extraction. Tweak.
11483 (output_verbatim, verbatim): End variable argument list.
11484 (report_diagnostic): Improve documentation.
11486 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
11488 * c-common.h (build_stmt): Declare.
11489 (build_continue_stmt): Likewise.
11490 (build_break_stmt): Likewise.
11491 (build_return_stmt): Likewise.
11493 * c-decl.c (do_case): Rewrite to do what previously done in
11496 * c-semantics.c (build_stmt): Define.
11497 (build_return_stmt): Likewise.
11498 (build_break_stmt): Likewise.
11499 (build_continue_stmt): Likewise.
11500 (build_case_label): Likewise.
11502 * c-parse.in (BREAK): Change to build tree, then generate RTL.
11503 (CONTINUE): Likewise.
11504 (RETURN): Likewise.
11506 (DEFAULT): Likewise.
11508 * c-parse.y: Regenerate.
11509 * c-pasre.c: Likewise.
11511 2000-07-09 Jason Merrill <jason@redhat.com>
11513 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
11515 * tree.h (STRIP_NOPS): Check for error_mark_node.
11516 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
11517 (dwarf2out_*): Remove duplicate declarations.
11519 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
11520 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
11522 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11524 * diagnostic.c (wrap_text): New function.
11525 (maybe_wrap_text): Likewise.
11526 (output_add_string): Use it.
11527 (output_format): Likewise.
11528 (count_error): Use verbatim instead of notice.
11529 (report_error_function): Likewise. Don't use plain fprintf.
11530 (finish_diagnostic): New function.
11531 (output_do_verbatim): Tweak. Commonalize functionalities in
11532 output_verbatim and verbatim.
11533 (output_verbatim): Adjust.
11534 (verbatim): Likewise.
11535 (report_diagnostic): Define.
11537 * diagnostic.h (report_diagnostic): Prototype.
11539 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
11541 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
11543 2000-07-09 Neil Booth <NeilB@earthling.net>
11545 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
11546 IShspace, ISspace: Update.
11548 * cppinit.c: ISTABLE: Update.
11551 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
11552 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
11553 (skip_block_comment, skip_line_comment, parse_string,
11554 lex_line): Use is_vspace rather than IS_NEWLINE.
11555 (skip_whitespace, lex_line): Clean up to use is_nvspace.
11556 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
11558 (lex_next): Unconditionally stop if within a directive.
11559 Treat directives within macro invocations as directives
11560 (after parse_args emits error), not as the argument.
11562 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
11564 * diagnostic.c (diagnostic_args): New macro.
11565 (diagnostic_msg): Likewise.
11566 (output_formatted_integer): Likewise.
11567 (output_state): New data type.
11568 (digit_buffer): Make global.
11569 (output_add_integer): Rename to output_decimal. Squeeze
11571 (output_long_decimal, output_unsigned_decimal,
11572 output_long_unsigned_decimal, output_octal, output_long_octal,
11573 output_hexadecimal, output_long_hexadecimal): New functions.
11574 (output_append_r): New function.
11575 (output_append): Tweak.
11576 (output_flush_on): Rename to output_to_stream.
11577 (output_format): Change prototype. Improve documentation. Handle
11578 more format specifiers.
11579 (build_location_prefix): Rename to context_as_prefix.
11580 (output_notice): Rename to output_do_printf.
11581 (output_printf): Tweak.
11582 (line_wrapper_printf): Likewise.
11583 (vline_wrapper_message_with_location): Adjust call to renamed
11585 (v_message_with_decl): Likewise.
11586 (default_print_error_function): Likewise.
11587 (save_output_state): New function.
11588 (restore_output_state): Likewise.
11589 (output_do_verbatim): Likewise.
11590 (output_verbatim): Define.
11591 (verbatim): Likewise.
11593 * diagnostic.h (printer_fn): Change return type from void to int.
11594 Improve documentation.
11595 (output_add_integer): Rename to output_decimal.
11596 (output_flush_on, output_format): Don't export.
11597 (output_verbatim, verbatim): Declare.
11599 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
11601 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
11602 Check whether c divides op1 exactly if operation is not
11605 2000-07-08 Richard Henderson <rth@cygnus.com>
11607 * final.c (final): Do not abort when reg-stack introduces
11610 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
11612 * cpplib.h (struct cpp_name): Now struct cpp_string.
11613 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
11614 CPP_HEADER_NAME): Change to type S.
11615 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
11616 field, a cpp_hashnode *. All references to val.name updated
11617 to use val.str or val.node as appropriate.
11618 (struct cpp_reader): Add spec_nodes field.
11619 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
11621 * cpphash.h (struct spec_nodes): New.
11622 (enum spell_type): Reorder. Only SPELL_STRING tokens use
11623 val.str. All references to 'spelling > SPELL_NONE' updated to
11626 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
11627 pfile->buffer->inc are not NULL before dereferencing them.
11629 * cpplex.c (parse_name): Take a pointer to the current token,
11630 plus current position and limit as args; return the new
11631 position; don't copy the text of a name into the string
11632 buffer, instead call cpp_lookup and store the node pointer.
11633 If extending a token, copy out the text of the old into a
11634 scratch buffer, append the new, look that up and store the new
11635 node pointer. Inline.
11636 (maybe_paste_with_next): If the result of paste is a NAME,
11637 then look up the pasted text and store its node pointer.
11638 (lex_line): Adjust for new parse_name interface.
11639 Check for L"str", L'str' using spec_nodes->n_L.
11640 (spell_token): SPELL_IDENT tokens have their spelling in
11641 val.node->name. Handle SPELL_STRING tokens that don't have
11643 (_cpp_expand_name_space,
11644 (can_paste): Check for L ## "str" using spec_nodes->n_L.
11645 (cpp_get_token, special_symbol): No need to call cpp_lookup.
11646 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
11647 return 1=equal 0=not, not a tristate.
11649 * cpphash.c (var_args_str): Delete.
11650 (find_param): Compare node fields directly.
11651 (is__va_args__): Use CPP_PEDANTIC. Just compare
11652 token->val.node with spec_nodes->n__VA_ARGS__.
11653 (dump_funlike_macro): Don't use var_args_str.
11655 * cpplib.c (_cpp_check_directive): Just walk through
11656 spec_nodes->dirs comparing pointers.
11657 (get_define_node, do_pragma_poison, detect_if_not_defined,
11658 parse_ifdef): The identifier has already been looked up.
11659 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
11661 (do_if): Only call detect_if_not_defined at beginning of file.
11662 (_cpp_parse_assertion): Only copy string pointers for
11663 SPELL_STRING tokens.
11664 (pragma_dispatch): Take a node pointer and examine its name
11666 (_cpp_init_stacks): Also initialize the spec_nodes structure.
11668 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
11670 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
11671 reverse order from the corresponding _cpp_init_* routines.
11673 * cppexp.c (parse_number, parse_charconst, parse_defined,
11674 lex): Check val.node->type instead of calling cpp_defined.
11675 Use spec_nodes entries where appropriate.
11677 * fix-header.c, scan-decls.c: Update for interface changes.
11679 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
11681 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
11682 emitting aux_truncdfsf2.
11684 2000-07-03 Donn Terry (donnte@microsoft.com)
11686 * cppinit.c (print_help): split overlong line into ISO C89
11689 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11691 * cppexp.c: Update all code for new lexer interface.
11692 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
11693 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
11694 * cpplex.c (token_names): Trim leading CPP_ from names; make
11695 the strings unsigned.
11696 (_cpp_spell_operator): New.
11697 (is_macro_disabled): Disable all macros if rescanning
11699 (_cpp_get_directive_token): Remove.
11701 * cppinit.c: Don't set no_macro_expand.
11702 * cpplib.c (read_line_number, do_line): Check only for EOF,
11704 * cpphash.h: Update prototypes.
11705 * cpplib.h (CPP_VSPACE): Remove.
11706 (struct cpp_reader): Remove no_macro_expand.
11708 2000-07-08 Neil Booth <NeilB@earthling.net>
11710 * cpphash.c (is__va_args__): New function.
11711 (count_params): Fix line reported in error messages. Use
11712 is__va_args__. Don't return ')' on error. Flag GNU style
11713 rest args macro definitions.
11714 (parse_define): Check macro name is not __VA_ARGS__.
11715 (save_expansion): Check identifier in non-varargs-macro is
11716 not __VA_ARGS__. Don't flag GNU_VARARGS.
11717 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
11718 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
11719 than per-token GNU_VARARGS.
11720 * cpplib.h (GNU_VARARGS): Remove.
11721 (GNU_REST_ARGS): New.
11723 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11725 * i386.md (call_pop, call, call_value_pop): Do not set
11726 current_function_uses_pic_offset_table for calls to static
11727 functions or indirect calls.
11729 2000-07-07 Jim Wilson <wilson@cygnus.com>
11731 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
11732 is_predicate_reg, then take max write_count of register pair.
11734 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11736 * tradcpp.c (main): Rename label `include' to `add_include' to
11737 avoid conflicts with variable `include' in traditional C.
11739 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11741 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
11743 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11745 * sibcall.c (uses_addressof): Add INMEM argument, check for
11746 current_function_internal_arg_pointer outside of MEM rtxs in addition
11748 (sequence_uses_addressof): Update caller.
11750 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11752 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
11755 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11757 * system.h (UNION_INIT_ZERO): New macro for initializing union
11758 members in structs.
11760 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
11762 2000-07-07 Neil Booth <NeilB@earthling.net>
11764 * cpp.texi: Update.
11766 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
11768 * final.c (final): Detect out of bounds array access to
11769 the insn_lengths array.
11771 2000-07-07 Kazu Hirata <kazu@hxi.com>
11773 * fold-const.c (fold): Fix a comment typo.
11775 2000-07-07 Neil Booth <NeilB@earthling.net>
11777 * cpp.texi: Update to new lexer.
11779 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11781 * tradcpp.c: New file.
11782 * tradcif.y: New file.
11783 * tradcif.c: New generated file.
11785 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
11786 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
11787 dependencies of C. Install tradcpp from install-common, in
11790 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11792 * cppinit.c: Include cppdefault.h. Refer to
11793 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
11794 to GCC_INCLUDE_DIR and its length.
11795 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
11796 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
11797 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
11799 (include_defaults_array): Move to cppdefault.c.
11801 * cppdefault.h: New file.
11802 * cppdefault.c: New file.
11804 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
11805 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
11806 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
11809 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11811 * reload.c (push_reload): When seeing if can reuse a register,
11812 check extra registers against widest of INMODE and OUTMODE.
11814 2000-07-06 Neil Booth <NeilB@earthling.net>
11816 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
11817 based on full length of predicate.
11819 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
11821 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
11822 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
11824 2000-07-05 Kazu Hirata <kazu@hxi.com>
11826 * h8300-proto.h: Fix formatting.
11827 * h8300.c: Likewise.
11828 * h8300.h: Likewise.
11830 2000-07-05 Jim Wilson <wilson@cygnus.com>
11832 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
11835 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
11837 * invoke.texi: Fix minor typos
11838 * md.texi: Fix minor typos
11840 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
11842 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
11844 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11846 * cpplex.c: Don't include sys/mman.h.
11847 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
11849 * cpplib.c: Include sys/mman.h and obstack.h.
11850 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
11852 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
11853 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
11854 bother freeing if stack entries (they will be freed with their buffer).
11855 (do_endif): Free if stack entries from the buffer obstack.
11856 (push_conditional): Allocate if stack entries from the buffer obstack.
11858 (find_answer): Rename to _cpp_find_answer.
11859 (do_assert, do_unassert): Update.
11861 * cpphash.h: Update prototypes.
11862 (xobnew): New convenience macro.
11863 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
11865 (struct cpp_hashnode): Remove disabled field.
11867 * cppinit.c: Don't include hashtab.h or splay-tree.h.
11868 (report_missing_guard): Moved to cppfiles.c.
11869 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
11871 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
11872 cpp_cleanup_includes. Don't destroy hashtab or
11873 all_include_files here.
11874 (cpp_finish): Use _cpp_report_missing_guards.
11876 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
11877 (_cpp_init_include_table): Rename _cpp_init_includes.
11878 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
11880 * cppexp.c (parse_assertion): Update for new name of
11883 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
11885 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11887 * cpplib.c (do_ident): s/VSPACE/EOF/
11889 2000-07-05 Neil Booth <NeilB@earthling.net>
11891 * cpplex.c: Fix trigraph replacement within strings.
11893 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11895 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
11897 * xcoffout.c (assign_type_number): Constify.
11898 (xcoffout_source_file): Add static prototype. Don't needlessly
11899 cast away const-ness.
11901 2000-07-04 Jason Merrill <jason@redhat.com>
11903 * frame.h (frame_state): Move base_offset to end.
11905 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
11907 * calls.c (emit_library_call_value_1): Revert previous change.
11909 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
11911 * fix-header.c (struct partial_proto): Remove unnecessary fields.
11912 (recognized_extern, recognized_function, read_scan_file):
11913 Update for new scheme.
11914 (check_protection): It's still a multiple include guard even
11915 if it doesn't always trigger.
11916 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
11918 * scan.h: Declare struct cpp_token. Update prototypes.
11920 2000-07-03 Neil Booth <neilb@earthling.net>
11921 Zack Weinberg <zack@wolery.cumb.org>
11923 Complete overhaul of the lexer and macro expander.
11925 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
11926 arg, arglist, argdata, reflist, collect_objlike_expansion,
11927 collect_funlike_expansion, collect_params,
11928 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
11929 unsafe_chars, macarg, compare_defs, special_symbol,
11930 scan_arguments, stringify, funlike_macroexpand,
11931 _cpp_quote_string, monthnames): Delete.
11932 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
11933 _cpp_create_definition, _cpp_dump_definition,
11934 dump_hash_helper): Adjust.
11935 (find_param, count_params, parse_define, var_args_str,
11936 check_macro_redefinition, save_expansion): New.
11938 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
11939 parse_string, output_line_command, trigraph_replace,
11940 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
11941 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
11942 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
11943 _cpp_skip_rest_of_line): Modify.
11945 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
11946 find_position, null_warning, bump_column, expand_name_space,
11947 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
11948 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
11949 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
11950 _cpp_prescan): Delete.
11952 (dump_param_spelling, process_directive, lex_next,
11953 is_macro_disabled, stringify_arg, expand_context_stack,
11954 output_token, make_string_token, alloc_number_token,
11955 special_symbol, duplicate_token, maybe_paste_with_next,
11956 can_paste, prevent_macro_expansion, restore_macro_expansion,
11957 get_temp_token, release_temp_tokens, quote_string,
11958 token_names, token_spellings, _cpp_expand_name_space,
11959 _cpp_glue_header_name, _cpp_reserve_name_space,
11960 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
11961 placemarker_token, eof_token, cpp_context, macro_args,
11962 get_raw_token, parse_arg, parse_args, save_token,
11963 push_arg_context, push_macro_context, pop_context,
11964 do_pop_context, free_macro_args, _cpp_get_line,
11965 _cpp_run_directive): New.
11967 * cpplib.c (validate_else, parse_include, push_conditional,
11968 pass_thru_directive, read_line_number, parse_ifdef,
11969 detect_if_not_defined, _cpp_check_directive, do_define,
11970 do_undef, do_include, do_import, do_include_next, do_error,
11971 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
11972 top_pragmas, do_pragma_gcc, do_pragma_implementation,
11973 do_pragma_poison, do_pragma_system_header,
11974 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
11975 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
11976 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
11977 cpp_defined): Update for new scheme.
11978 (strtoul_for_line, get_define_node, dump_macro_name,
11979 _cpp_check_linemarker, _cpp_parse_assertion): New.
11980 (_cpp_handle_directive, do_pragma_default): Delete.
11982 * cpphash.h (struct predicate): Now struct answer.
11983 (enum spell_type, struct token_spelling, struct directive,
11984 directive_handler): New.
11985 Update prototypes. Remove unused macros.
11986 * cpplib.h: Update prototypes. Remove unused macros,
11987 structure definitions, and fields.
11989 * cpperror.c (print_containing_files, v_message): Adjust.
11990 * cppexp.c (parse_assertion, lex, parse_escape,
11991 _cpp_parse_expr): Adjust.
11992 * cppfiles.c (open_include_file, _cpp_execute_include,
11993 _cpp_compare_file_date, cpp_read_file, read_include_file):
11995 * cppinit.c (dump_special_to_buffer): Delete.
11996 (append_include_chain, merge_include_chains, cpp_reader_init,
11997 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
11998 cpp_finish, handle_option, print_help): Adjust.
11999 * cppmain.c (main): Adjust.
12001 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12003 * cppspec.c (lang_specific_driver): Use double quotes in error
12006 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12008 * calls.c (emit_library_call_value_1): Use valreg instead
12009 of hard_libcall_value.
12011 2000-07-03 Geoff Keating <geoffk@cygnus.com>
12013 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
12014 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
12015 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
12023 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
12024 mode instead of wider_mode is being used.
12026 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12028 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
12029 of 'r'. Use q_regs_operand.
12030 (andsi_1+2): Use q_regs_operand.
12032 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12034 * builtins.c (get_memory_rtx): Always put into alias set 0.
12036 2000-07-03 Nick Clifton <nickc@cygnus.com>
12038 * config/arm/arm.md: Fix post increment and pre increment
12039 peepholes so that they do not generate UNPREDICATBLE opcodes.
12040 (ie ones where the increment clobbers the source/destination).
12042 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
12044 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
12045 change too big for -mtiny-stack" a warning, if larger than 63.
12046 (out_set_stack_ptr): Change the logic so -mno-interrupts is
12047 always safe to use on possible future devices.
12048 (function_prologue): Write SPH before SPL, for consistency.
12049 If interrupt_func_p true, we know we have enabled interrupts.
12050 (avr_num_arg_regs): New function. Round up to even number of
12051 bytes if no -mpack-args or if calling a libgcc function.
12052 (function_arg, function_arg_advance): Use it.
12053 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
12054 Output "movw" if available.
12055 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
12056 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
12057 (asm_output_section_name): Add blanks for consistent output.
12058 (encode_section_info): Set TREE_READONLY for progmem data to
12059 avoid gas warnings about changed section attributes.
12060 (avr_hard_regno_mode_ok): Force non-QImode data to start in
12061 even numbered registers on devices with "movw".
12062 * config/avr/avr.h (MASK_*): Define bits for target_flags.
12063 (TARGET_SWITCHES): Mark help strings for translation.
12064 Add new -mpack-args and -menhanced switches.
12065 (TARGET_OPTIONS): Mark help strings for translation.
12066 (progmem_section): Add section attributes.
12067 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
12068 Output "movw" if available.
12069 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
12071 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
12072 call convention (arguments aligned on even registers).
12073 (_cleanup, _exit): Make weak symbols libc can override.
12075 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12077 * fp-bit.h: New file.
12079 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
12080 Comment #endif statements.
12081 (__thenan_sf, __thenan_df): Add missing braces around initializer.
12083 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
12085 * gcse.c (compute_pre_data): Compute ae_kill using other local
12086 properties instead of calling compute_ae_kill.
12088 * alias.c (init_alias_analysis): Do not call
12089 prologue_epilogue_contains until after reload has completed.
12091 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
12093 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
12094 (genrtl_finish_compound_stmt): Likewise.
12095 (genrtl_compound_stmt): Change to return void.
12097 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
12098 move code from here to ...
12099 (genrtl_compound_stmt): ... here.
12100 (genrtl_finish_compound_stmt): Remove.
12101 (expand_stmt): Add comment.
12103 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
12105 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
12108 2000-07-02 Jakub Jelinek <jakub@redhat.com>
12110 * cpplib.h (struct cpp_reader): New field include_depth.
12111 (struct cpp_printer): Rename last_bsd to last_id.
12112 * cppfiles.c (read_include_file): Bump include_depth.
12113 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
12114 (output_line_command): Output correct #line if a header
12115 is including itself and is not protected against multiple inclusion.
12116 Use include_depth instead of buffer_stack_depth, last_id instead of
12118 * cppinit.c (cpp_start_read): Initialize last_id instead of
12121 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
12123 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
12124 (c-semantics.o): New target.
12126 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
12127 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
12128 (genrtl_clear_out_block): Likewise.
12129 (genrtl_goto_stmt): Likewise.
12130 (genrtl_expr_stmt): Likewise.
12131 (genrtl_decl_stmt): Likewise.
12132 (genrtl_if_stmt): Likewise.
12133 (genrtl_while_stmt): Likewise.
12134 (genrtl_do_stmt): Likewise.
12135 (genrtl_return_stmt): Likewise.
12136 (genrtl_for_stmt): Likewise.
12137 (genrtl_break_stmt): Likewise.
12138 (genrtl_continue_stmt): Likewise.
12139 (genrtl_scope_stmt): Likewise.
12140 (genrtl_switch_stmt): Likewise.
12141 (genrtl_case_label): Likewise.
12142 (genrtl_begin_compound_stmt): Likewise.
12143 (gerntl_finish_compound_stmt): Likewise.
12144 (genrtl_compound_stmt): Likewise.
12145 (genrtl_asm_stmt): Likewise.
12146 (genrtl_decl_cleanup): Likewise.
12147 (DECL_ANON_UNION_ELEMS): Likewise.
12148 (emit_local_var): Likewise.
12149 (make_rtl_for_local_static): Likewise.
12150 (expand_cond): Likewise.
12151 (expand_stmt): Likewise.
12152 (c_expand_return): Likewise.
12153 (c_expand_start_case): Likewise.
12154 (do_case): Likewise.
12155 (COMPOUND_STMT_NO_SCOPE): Likewise.
12156 (c_expand_asm_operands): Likewise.
12157 (NEW_FOR_SCOPE_P): New macro.
12158 (expand_expr_stmt_fn): New type.
12160 (set_current_function_name_declared): Likewise.
12161 (current_function_name_declared): Likewise.
12162 (lang_expand_stmt): Likewise.
12163 (stmts_are_full_exprs_p): Likewise.
12164 (anon_aggr_type_p): Likewise.
12165 (lang_expand_expr_stmt): Likewise.
12166 (build_case_label): Likewise.
12168 * c-decl.c (lang_expand_expr_stmt): Initialize.
12169 (stmts_are_full_exprs_p): Define.
12170 (current_function_name_declared): Likewise.
12171 (do_case): Likewise.
12172 (lang_expand_stmt): Likewise.
12173 (set_current_function_name_declared): Likewise.
12174 (anon_aggr_type_p): Likewise.
12176 * c-semantics.c: New file.
12177 (expand_cond): Moved from cp/semantics.c.
12178 (genrtl_do_pushlevel): Likewise.
12179 (genrtl_clear_out_block): Likewise.
12180 (genrtl_goto_stmt): Likewise.
12181 (genrtl_expr_stmt): Likewise.
12182 (genrtl_decl_stmt): Likewise.
12183 (genrtl_if_stmt): Likewise.
12184 (genrtl_while_stmt): Likewise.
12185 (genrtl_do_stmt): Likewise.
12186 (genrtl_return_stmt): Likewise.
12187 (genrtl_for_stmt): Likewise.
12188 (genrtl_break_stmt): Likewise.
12189 (genrtl_continue_stmt): Likewise.
12190 (genrtl_scope_stmt): Likewise.
12191 (genrtl_switch_stmt): Likewise.
12192 (genrtl_case_label): Likewise.
12193 (genrtl_begin_compound_stmt): Likewise.
12194 (genrtl_finish_compound_stmt): Likewise.
12195 (genrtl_compound_stmt): Likewise.
12196 (genrtl_asm_stmt): Likewise.
12197 (genrtl_decl_cleanup): Likewise.
12198 (make_rtl_for_local_static): Moved from cp/decl.c.
12199 (emit_local_var): Likewise.
12200 (expand_stmt): Define.
12202 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
12203 (c_expand_return): Likewise.
12204 (c_expand_start_case): Likewise.
12206 2000-07-01 Richard Henderson <rth@cygnus.com>
12208 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
12209 with the low 13 bits set.
12210 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
12211 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
12212 of the low 13 bits into a CONST plus an adddi3.
12213 (load_symptr): Set RTX_UNCHANGING_P.
12215 See ChangeLog.3 for earlier changes.