1 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
3 * config/sh/sh.h (GENERAL_REGISTER_P,
4 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
5 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
7 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
8 * config/sh/sh.c: Use new macros.
9 * config/sh/sh.md: Likewise.
11 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
13 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
14 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
17 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
19 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
21 (machine_dependent_reorg): Wrong optimization based on
22 NOTICE_UPDATE_CC removed.
24 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
26 * jump.c (delete_computation): Re-instate deletion of feeding insn.
27 (delete_insn): Look for REG_LABEL notes.
28 (redirect_tablejump): Delete feeding insns.
30 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
32 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
33 call_value_pop_1): Make sure operand numbers are contiguous.
35 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
37 * reload1.c (conflicts_with_override): New function.
38 (emit_input_reload_insns): Use it to tighten test for validity
39 of substituting into output of previous insn.
41 * haifa-sched.c (struct ready_list): New.
42 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
44 (schedule_insn): Replace args READY and N_READY with a pointer to a
45 ready_list; return void. Use the new functions to access the ready
46 list. All callers changed.
47 (queue_to_ready, debug_ready_list): Likewise.
48 (schedule_block): Initialize a ready_list structure. Use new
49 functions to access it.
50 (max_priority): Remove unused variable.
51 (schedule_insn): Don't set it.
53 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
55 * combine.c (cant_combine_insn_p): New function.
56 (try_combine): Use it.
58 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
59 * c-common.c (c-obstack.c): Include "obstack.h".
60 (struct reverse_tree): Delete.
61 (reverse_list, reverse_max_depth): Delete.
62 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
63 (struct tlist, struct tlist_cache): New.
64 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
65 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
66 warn_for_collisions, warn_for_collisions_1, new_tlist): New
68 (verify_sequence_points): Rewritten.
69 * fold-const.c (fold): Don't lose possibly important sequence
70 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
72 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
74 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
75 when reversing a register-to-register copy. Reversal now disabled
76 when the previous instruction has a REG_EQUIV.
78 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
80 * c-parse.in (unary_expr): Move VA_ARG from here ...
81 (primary): ... to here.
83 2000-11-23 Graham Stott <grahams@redhat.com>
85 * expr.c (store_constructor): If a field is non addressable and
86 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
88 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
90 * flow.c (print_rtl_and_abort): New function.
91 (verify_wide_reg, verify_local_live_at_start): Try to dump more
92 information before aborting.
94 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
96 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
97 is narrower than requested mode.
98 (gen_highpart): Abort if register mode is narrower than
101 2000-11-23 Graham Stott <grahams@redhat.com>
103 * cse.c (cse_insn): Initialise all regcost variables.
104 Fix a typo add missing '='.
105 Only compare costs if there is a replacement insn.
107 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
109 * final.c (output_addr_const) [LABEL_REF]: Simplify.
110 [MINUS]: Enclose non-CONST_INTs in parentheses.
111 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
112 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
113 * varasm.c (decode_rtx_const) [CONST]: If it's not something
114 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
115 instead of abort()ing.
116 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
117 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
118 formerly handled in output_pic_addr_const.
119 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
120 operands of MINUS in CONSTs so that decode_rtx_const() will
123 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
125 * config/sh/sh.md (mova_const): New pattern.
126 (GOTaddr2picreg): Use it.
127 * config/sh/sh.c (broken_move): Match it.
128 (mova_p): Don't match it.
129 (machine_dependent_reorg): Adjust it.
131 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
133 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
134 Moved most register-number #defines...
135 * config/sh/sh.md (define_constants): ... here. Use macros to
136 refer to registers and unspecs.
137 * config/sh/sh.c: Likewise.
139 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
141 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
142 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
143 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
144 (splay-tree.o, hash.o): Likewise.
146 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
147 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
148 (hashtab.o): Likewise.
149 (gcov.o): Depend on $(CONFIG_H).
150 * configure.in: #include insn-codes.h in tm.h.
152 2000-11-22 Nick Clifton <nickc@redhat.com>
154 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
155 const char * to avoid a compile time warning.
157 * config/arm/arm.md (define_constants): Define symbolic names for
158 the link register, last integer register and the fake CC register.
159 Update patterns to use these symbolic names.
161 2000-11-22 Neil Booth <neilb@earthling.net>
163 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
164 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
166 2000-11-22 Richard Henderson <rth@redhat.com>
168 * haifa-sched.c (sched_analyze_1): Don't special-case calls
169 for clobbering registers.
170 (sched_analyze_2): Likewise.
171 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
173 2000-11-22 Chris Demetriou <cgd@sibyte.com>
174 Neil Booth <neilb@earthling.net>
176 * gcc.c (validate_switches): Validate multiple switches named
177 in '|' (or) expressions in specs.
178 (handle_braces): If more than 1 alternative in a '|' spec
179 matches, call do_spec1 just once.
181 2000-11-22 Michael Meissner <meissner@redhat.com>
183 * d30v.h (TARGET_SWITCHES): Add documentation strings.
184 (TARGET_OPTIONS): Ditto.
185 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
188 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
190 * pa.c (hppa_encode_label): Account for addition of encoding
191 character when allocating persistent space for the new label
194 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
196 * Makefile.in, config.gcc, configure.in: Expunge remaining
197 traces of facility for running MD files through C preprocessor.
199 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
201 * gcov.texi: Add magic comments for texi2pod.pl.
202 * Makefile.in: Add rules to generate and install gcov.1.
203 * gcov.1: New (generated) file.
205 2000-11-21 Richard Henderson <rth@redhat.com>
207 * regrename.c (scan_rtx_reg): Terminate the chain rather than
208 abort on mark_read with NO_REGS.
210 2000-11-21 Mike Stump <mrs@wrs.com>
212 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
213 compilation with older compilers, such as /bin/cc on SunOS.
214 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
216 2000-11-21 Richard Henderson <rth@redhat.com>
218 * varasm.c (record_constant): Pad the constructed
219 constant_descriptor appropriately.
221 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
223 * rtl.h (traverse_md_constants): Declare.
224 (struct md_constant): Define.
225 * Makefile.in (HOST_RTL): Add hashtab.o .
226 (OBJS): Add hashtab.o .
227 (hashtab.o): New rule.
228 (rtl.o): Depends on HASHTAB_H.
229 * rtl.c (hashtab.h): #include.
230 (md_constants): New static variable.
231 (def_hash, def_name_eq_p, read_constants): New static functions.
232 (traverse_md_constants): New function.
233 (read_name): Do constant expansion.
234 (read_rtx): Recognize define_constants.
235 * gencodes.c (print_md_constant): New function.
236 (main): Emit #defines for all constant definitions encountered.
237 * md.texi (Constant Definitions): New node.
238 * gensupport.c (xcalloc): New function.
240 2000-11-21 Richard Henderson <rth@redhat.com>
242 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
243 * config/alpha/alpha-protos.h: Declare it.
244 * config/alpha/alpha.md (abstf_internal): Use it.
245 (negtf_internal): Likewise.
246 (andnotdi3): Unstar the name.
247 (movtf_internal): Add o/G alternative.
249 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
251 * stringpool.c (stringpool_statistics): Also report number and
252 percentage of entries which are identifiers.
254 2000-11-21 Diego Novillo <dnovillo@redhat.com>
256 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
257 visited before visiting it.
259 2000-11-21 Nick Clifton <nickc@redhat.com>
261 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
262 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
264 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
266 2000-11-21 Richard Henderson <rth@redhat.com>
268 * c-common.c (c_unsafe_for_reeval): New function.
269 (add_c_tree_codes): Register it.
270 * c-common.h: Declare it.
271 * tree.c (lang_unsafe_for_reeval): New hook.
272 (unsafe_for_reeval): Call it.
273 * tree.h: Declare it.
275 2000-11-21 Richard Henderson <rth@redhat.com>
277 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
280 2000-11-21 Neil Booth <neilb@earthling.net>
282 * do_includes: Revert to using cpp_read_file.
284 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
286 * loop.c (consec_sets_giv): If the reg we're examining is anything
287 but UNKNOWN_INDUCT, do nothing.
288 Reset the reg's type to UNKNOWN_INDUCT before returning.
290 Mostly from Vladimir Makarov (vmakarov@redhat.com)
291 * ia64.md (attr itanium_class): Define insn types as described in
293 (all insn patterns): Use itanium_class, not type attributes.
294 Occasionally split alternatives as necessary.
295 (attr type): Compute from new attr itanium_class.
297 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
299 * tradcpp.c (output_line_command): Mark system headers as such in
302 2000-11-21 Jakub Jelinek <jakub@redhat.com>
304 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
305 support in as as well.
306 * configure: Regenerate.
308 2000-11-20 Richard Henderson <rth@redhat.com>
310 * c-lex.c (orig_filename): New variable.
311 (init_c_lex): Set it. Move call to cpp_start_read ...
312 (yyparse): ... here. New function.
313 * c-parse.in (yyparse_1): Rename the parser entry point.
314 * c-tree.h: Declare it.
316 2000-11-21 Jakub Jelinek <jakub@redhat.com>
318 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
319 integer constant, use type of op1 for comparison.
321 2000-11-20 Stan Shebs <shebs@apple.com>
323 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
324 * config/rs6000/x-darwin: New file, Darwin host fragment.
325 * config.gcc (powerpc-*-darwin*): New host.
326 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
327 overridden by a config file.
329 2000-11-20 Neil Booth <neilb@earthling.net>
331 * cppmacro.c (paste_tokens): Rename from paste_payloads.
332 Change token type after pasting spellings.
333 (paste_all_tokens): Use it.
334 * gcc.dg/cpp/paste2.c: Update test.
335 * objc/execute/paste.m: New test.
337 2000-11-20 Richard Henderson <rth@redhat.com>
339 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
340 dwarf_subscr_data_formats bits.
341 * dwarfout.c (simple_type_size_in_bits): Handle a type with
342 no computed size as size zero.
343 (field_byte_offset): Likewise.
344 (subscript_data_attribute): Handle a range with no upper bound.
346 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
348 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
350 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
352 * c-typeck.c (build_conditional_expr): When merging type
353 qualifiers for conditional expressions between a pointer and a
354 pointer to a void type, merge the qualifiers on the target types
355 rather than the pointer type. Remove obsolete conditioned out
358 2000-11-20 Neil Booth <neilb@earthling.net>
360 * c-lang.c (lang_init_options): Update call to
362 * cppmain.c (main): Similarly.
363 * fix-header.c (read_scan_file): Similarly.
364 * cp/lex.c (lang_init_options): Similarly.
365 * objc/objc-act.c (lang_init_options): Similarly.
366 * cppexp.c (parse_number): Only warn for unextended C89.
367 * cppinit.c (set_lang): New function.
368 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
369 (COMMAND_LINE_OPTIONS): New option std=c++98.
370 (cpp_handle_option): Use set_lang.
371 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
372 * cppib.h (enum_c_lang): New enumeration. Update comments.
374 2000-11-20 Will Cohen <wcohen@redhat.com>
376 * calls.c (expand_call): Clear target only when target is in
377 hard register and current_function_check_memory_usage is set.
379 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
381 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
383 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
385 2000-11-19 Richard Henderson <rth@redhat.com>
387 * crtstuff.c (force_to_data): Use array size 1 not 0.
389 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
390 no computed size as size zero.
391 (field_byte_offset): Likewise.
393 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
395 * config.gcc: Fix another typo.
397 2000-11-19 Richard Henderson <rth@redhat.com>
399 * c-decl.c (grokdeclarator): Support flexible array members.
400 Use open-ended ranges for these and zero-length arrays.
401 * c-typeck.c (push_init_level): Validate the context of
402 initialization of a zero-length array.
403 * tree.c (int_fits_type_p): Be prepared for missing bounds.
404 * varasm.c (array_size_for_constructor): New.
405 (output_constructor): Use it for arrays of unspecified length.
406 * extend.texi (Zero Length): Mention C99 flexible array members.
407 Document initialization in a top-level struct as valid.
409 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
411 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
413 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
414 stdarg and varargs functions.
416 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
418 * gcc.c (process_command): Define 'j' variable when
419 MODIFY_TARGET_NAME is defined.
421 2000-11-19 Richard Henderson <rth@redhat.com>
423 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
425 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
427 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
428 calculation and allocation.
430 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
432 * builtins.c (c_getstr): Constify variable.
433 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
434 * conflict.c (const_conflict_graph_arc): New typedef.
435 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
436 * cppmacro.c (builtin_macro): Likewise.
437 * dwarf2out.c (output_comp_unit): Constify variable.
438 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
439 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
440 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
442 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
443 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
444 * varasm.c (const_str_htab_hash, const_str_htab_eq,
445 compare_constant_1, record_constant_1): Constify.
447 2000-11-18 Richard Henderson <rth@redhat.com>
449 * c-decl.c (grokdeclarator): Special case the creation of an
450 index for a zero-length array.
451 * tree.c (build_index_type): Revert Oct 20 change.
453 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
455 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
456 * config/avr/avr.c (jump_tables_size): New variable.
457 (function_prologue): Initialize it as 0.
458 (function_epilogue): Add it to function_size.
459 (avr_output_addr_vec_elt): New function. Count words in jump
460 tables in jump_tables_size. Move code ...
461 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
462 Call avr_output_addr_vec_elt instead.
463 * config/avr/avr.md (tablejump): Remove disabled define_expand.
465 2000-11-18 Mark Mitchell <mark@codesourcery.com>
467 * configure.in: Make --enable-new-gxx-abi the default.
468 * configure: Likewise.
470 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
472 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
474 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
475 Move extern function declarations to tradcpp.h.
477 * tradcpp.c: Likewise.
479 * tradcpp.h: New file.
481 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
483 * c-decl.c (check_for_loop_decls): New function.
484 * c-parse.in (for_init_stmt): New.
485 (select_or_iter_stmt): Use for_init_stmt.
486 * c-tree.h (check_for_loop_decls): New declaration.
488 2000-11-18 Neil Booth <neilb@earthling.net>
490 * cppinit.c: Update comments.
491 (cpp_reader_init): Make -imacro and -include use the standard
492 #include "" search path.
493 (do_includes): New function.
495 2000-11-18 Ben Elliston <bje@redhat.com>
497 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
498 out of a branch delay slot.
500 2000-11-17 Richard Henderson <rth@redhat.com>
502 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
503 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
504 (ASM_FILE_START): Only write out ecoff .file directive if
505 emitting mdebug debugging.
507 2000-11-17 Richard Henderson <rth@redhat.com>
509 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
510 whether as accepts .file/.loc and produces dwarf2 line info.
511 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
512 the assembler supports it.
513 * config.in, configure: Regenerate.
515 2000-11-17 Richard Henderson <rth@redhat.com>
517 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
519 2000-11-17 Jim Wilson <wilson@redhat.com>
521 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
522 Don't clear need_barrier is next_insn is a CALL_INSN, or has
523 instruction type B or UNKNOWN.
525 2000-11-17 Neil Booth <neilb@earthling.net>
527 * cpperror.c (print_file_and_line): Don't display line number if 0.
529 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
531 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
532 digit_vector and digit_string.
533 * stringpool.c (digit_vector): New.
534 (ggc_alloc_string): Use digit_string.
536 * stmt.c (digit_strings): Delete.
537 (init_stmt): Do not initialize digit_strings.
538 (expand_asm_operands): Use ggc.h's digit_string macro.
539 * toplev.c (mark_file_stack): Delete.
540 (compile_file): Don't call init_tree_codes.
541 (main): No need to make the file stack a GC root.
542 * tree.c (init_tree_codes): Delete.
543 * tree.h (init_tree_codes): Delete.
545 * c-lex.c: Don't include ggc.h.
546 (mark_splay_tree_node, mark_splay_tree): Delete.
547 (init_c_lex): No need to ggc_strdup string constant. Don't add
548 file_info_tree to GGC roots.
549 (cb_enter_file, cb_rename_file): No need to ggc_strdup
552 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
554 * dbxout.c (dbxout_init),
555 dwarf2out.c (dwarf2out_line),
556 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
557 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
558 xcoffout.c (xcoffout_source_file),
559 i386.c (load_pic_register):
560 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
562 * except.c (create_rethrow_ref),
563 profile.c (init_edge_profiler),
564 toplev.c (compile_file),
565 varasm.c (named_section, assemble_static_space,
566 assemble_trampoline_template, output_constant_def, force_const_mem),
567 i386.c (load_pic_register),
568 ia64.c (ia64_encode_section_info),
569 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
570 rs6000_emit_prologue, rs6000_emit_epilogue),
571 rs6000.md (load_toc_aix_si, load_toc_aix_di):
572 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
574 * profile.c (output_func_start_profiler),
576 i386.c (load_pic_register): No need to ggc_strdup string constant.
578 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
580 * Makefile.in (config.status): Depend on config.gcc.
581 * configure.in <for machine in $build $host $target>: Move
582 contents of loop into config.gcc, removing autoconf quoting.
583 Fix changequote bug for alpha*-*-vxworks*.
584 * configure: Regenerate.
587 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
589 * c-parse.in (if_prefix): Find the filename and line number at
590 $-2 and $-1 respectively.
591 * diagnostic.c (error_recursion): Add missing newline, use
592 fputs, translate string.
594 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
596 * stringpool.c: New file.
597 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
598 (ggc_alloc_string): Now in stringpool.o.
599 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
600 * ggc.h: Delete prototype of ggc_add_string_root. #define
601 ggc_add_string_root and ggc_mark_string to nothing. Prototype
602 init_stringpool and stringpool_statistics.
603 (ggc_alloc_string): Returns a const char *.
604 * tree.c (hash_table, do_identifier_warnings): Delete.
605 (init_obstacks): Don't initialize the identifier hash table.
606 (get_identifier, maybe_get_identifier, start_identifier_warnings,
607 set_identifier_size): Now in stringpool.c.
608 * tree.h (struct tree_string): Constify pointer field.
609 (approx_sqrt): Prototype.
611 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
613 * toplev.c (approx_sqrt): New function.
614 (compile_file): Call stringpool_statistics if mem_report is on.
615 (main): Call init_stringpool.
617 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
618 (process_directive), c-typeck.c (constructor_asmspec, struct
619 initializer_stack, start_init), except.c (create_rethrow_ref),
620 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
621 (built_in_filename), varasm,c (in_named_name,
622 assemble_static_space, struct constant_descriptor, struct
623 deferred_string, struct pool_constant, force_const_mem),
624 i386.c (pic_label_name, global_offset_table_name), rs6000.c
625 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
627 * c-common.c (combine_strings): Combine strings in scratch
628 buffer, then pass to build_string.
629 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
630 output_func_start_profiler), stmt.c (init_stmt), alpha.c
631 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
632 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
633 rs6000.c (rs6000_encode_section_info): Create string in
634 scratch buffer, then pass to ggc_alloc_string.
636 * stmt.c (expand_asm_operands): If we must adjust the
637 constraint strings, do so by creating a new one, not by
638 modifying the old one in place. Constify some char *s.
639 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
640 argument. Create string in scratch buffer, then pass to
642 * config/pa/pa-protos.h: Update prototype.
643 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
644 hppa_encode_label takes only one argument.
646 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
648 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
651 * cpplib.c (glue_header_name): Likewise.
653 * fixincl.c (run_compiles, start_fixer): Likewise.
655 * fixlib.c (load_file_data): Likewise.
657 * mkdeps.c (munge): Likewise.
659 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
661 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
662 trailing ';'. Fix formatting.
664 2000-11-16 Jim Wilson <wilson@redhat.com>
666 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
667 Shift masks left by one to avoid conflict.
669 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
672 2000-11-16 Nick Clifton <nickc@redhat.com>
674 * config/arm/arm.c (output_arm_prologue): Note nested functions.
675 (arm_expand_prologue): For nested functions preserve the
676 static chain register during stack frame creation.
678 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
679 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
680 with a stack frame there is a 4 byte gap between the arg
681 pointer and the hard frame pointer (used to preserve the
682 static chain register during stack frame creation).
684 2000-11-16 DJ Delorie <dj@redhat.com>
686 * rtl.c (read_rtx): Provide suitable names for unnamed
687 define_insn and define_insn_and_split patterns, based on file
690 2000-11-15 Neil Booth <neilb@earthling.net>
692 * cpplib.c (start_directive, end_directive): New functions.
693 (_cpp_handle_directive, run_directive): Use them.
694 (_cpp_handle_directive): Don't -Wtraditional on indented
696 (_cpp_push_buffer): Don't re-clear was_skipping.
697 * cpplib.h (struct cpp_reader): New member la_saved.
698 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
701 gcc.dg/cpp/_Pragma1.c: Update.
702 gcc.dg/cpp/_Pragma2.c: New test.
704 2000-11-15 Mark Mitchell <mark@codesourcery.com>
706 * toplev.c (wrapup_global_declarations): Don't write out
707 artificial static variables that aren't needed.
709 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
711 * ia64.c (struct group): New structure.
712 (last_group): New static array.
713 (group_idx): New static variable.
714 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
715 New static functions.
716 (emit_insn_group_barriers): Initialize and keep track of group_idx
718 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
719 Replace all calls to emit_insn_after that emit a group barrier to use
720 emit_group_barrier_after.
721 * ia64.h (MASK_B_STEP): New.
722 (other MASK_XXX macros): Renumbered.
723 (TARGET_B_STEP): New.
724 (TARGET_SWITCHES): Add -mb-step.
726 2000-11-15 Fred Fish <fnf@be.com>
728 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
729 machines for which fixincludes is not needed.
730 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
732 2000-11-15 Jason Merrill <jason@redhat.com>
734 * diagnostic.c (finish_abort): New fn.
735 (fancy_abort, error_recursion): Use it.
736 * toplev.c (crash_signal): Likewise.
737 * diagnostic.h: Declare it.
739 2000-11-13 Andrew Haley <aph@redhat.com>
741 * tree.c (build_type_no_quals): New function.
742 * tree.h (build_type_no_quals): Declare.
743 * c-common.c (c_get_alias_set): When considering type
744 compatibility for pointer types, ignore cv-qualifiers anywhere in
747 2000-11-15 Graham Stott <grahams@redhat.com>
749 * regrename.c (scan_rtx_rtx): Skip to the next chain on
750 encountering a terminated chain.
752 2000-11-14 Mark Mitchell <mark@codesourcery.com>
754 * configure.in: Move check for V3 above check for C++ header-file
756 * configure: Regenerated.
758 2000-11-14 DJ Delorie <dj@redhat.com>
760 * config/v850/v850.c: Remove obstacks.
762 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
764 * config/avr/avr.c (avr_case_values_threshold): New.
765 (avr_override_options): Set it depending on options, make it large
766 when not optimizing to work around "unable to generate reloads".
768 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
769 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
770 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
771 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
772 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
773 (avr_case_values_threshold): Declare as extern int.
774 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
776 * config/avr/avr.md (tablejump): Removed.
777 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
778 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
779 index in the table, not multiplied by 2.
780 (casesi): Change to match the above insns. Always enable.
782 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
783 Change to expect the word address of the table, multiply it by 2
784 here and not in the caller. Change "adiw" to faster "inc".
786 2000-11-14 Neil Booth <neilb@earthling.net>
788 * cppexp.c (parse_defined): Call cpp_get_token not
791 * cpplex.c (cpp_output_line): Similarly.
792 * cpplib.c (glue_header_name, do_line, do_ident,
793 parse_answer, parse_assertion): Similarly.
794 (_cpp_handle_diretive): Don't save to lookaheads
795 when processing directives.
796 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
798 (funlike_invocation_p): Don't save to lookaheads
799 when pre-expanding arguments.
800 (_cpp_get_token): Delete.
801 (cpp_get_token): Merge contents of _cpp_get_token.
803 2000-11-14 Jakub Jelinek <jakub@redhat.com>
805 * builtins.c (expand_builtin_setjmp): Set
806 current_function_calls_setjmp.
807 (expand_builtin_longjmp): Set current_function_calls_longjmp.
809 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
810 (do_builtin_setjmp_setup): New insn.
812 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
814 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
815 (int_fits_type_p): For variable bounds, call force_fit_type.
817 2000-11-14 Jakub Jelinek <jakub@redhat.com>
819 * varasm.c (struct deferred_string): New structure.
820 (const_str_htab): New variable.
821 (STRHASH): New macro.
822 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
823 constr_str_htab_eq, const_str_htab_del): New functions.
824 (output_constant_def): Add DEFER argument, defer string
825 constants until mark_constant_pool time if requested.
826 (mark_constant_pool): Walk the insn chain even if const_str_htab is
828 (mark_constants): If a SYMBOL_REF for deferred string is found,
829 output it and remove from hash table.
830 (output_addressed_constants): Set DEFER to 0 in call to
832 * rtl.h (STRING_POOL_ADDRESS_P): Define.
833 (output_constant_def): Adjust prototype.
834 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
836 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
838 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
839 signed types if flag_trapv.
841 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
843 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
846 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
848 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
850 2000-11-14 Jakub Jelinek <jakub@redhat.com>
852 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
853 to array of pool_constnat pointers.
854 (struct pool_constant): Add next_sym and label members.
855 (struct pool_sym): Remove.
856 (init_varasm_status): Change pool_sym into pool_constant.
857 (mark_pool_constant): Mark pc->label string as well.
858 (mark_pool_sym_hash_table): Remove.
859 (mark_varasm_status): Remove it from caller as well.
860 (free_varasm_status): Don't free pool_sym structures.
861 (force_const_mem): Don't allocate pool_sym structure, instead
862 fill pool->label and chain it into rtx_sym hash table.
863 (find_pool_constant, mark_constant_pool): Use pool_constant instead
866 2000-11-14 Jakub Jelinek <jakub@redhat.com>
868 * reload1.c (emit_input_reload_insns): Honour forcing of constants
869 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
871 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
873 * dominance.c: New file.
874 * Makefile.in (OBJS): Add dominance.o.
876 * flow.c (compute_flow_dominators): Remove.
877 (compute_immediate_dominators): Remove.
878 (compute_immediate_postdominators): Remove.
879 * basic-block.h: Remove their prototypes.
880 (calculate_dominance_info): Add prototype.
882 * dce.c (eliminate_dead_code): Change calls to above functions.
883 Don't compute dominators but only immediate dominators.
884 * flow.c (flow_loops_find): Change callers.
885 * gcse.c (compute_code_hoist_data): Likewise.
886 * haifa-sched.c (schedule_insns): Likewise.
887 * ifcvt.c (if_convert): Likewise.
888 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
891 2000-11-14 Richard Henderson <rth@redhat.com>
893 * stmt.c (warn_if_unused_value): Don't warn if the expression
896 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
897 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
899 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
901 * loop.c (basic_induction_var): Revert accidental checkin.
903 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
905 * c-lex.c (cb_leave_file): Harmonize conditions and order of
906 statements to those of process_directive for (action == act_pop).
908 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
910 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
913 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
915 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
918 2000-11-13 Neil Booth <neilb@earthling.net>
920 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
921 cases return without MI check.
922 * cpplib.c (do_diagnostic): Take boolean of whether to
923 print the directive name.
924 (do_error, do_warning): Update.
925 (do_pragma_dependency): Use it.
926 * cpplib.h (VARARGS_FIRST): Delete.
927 (struct cpp_token): Delete integer.
928 * cppmacro.c (enter_macro_context): Move disabled check
930 (_cpp_get_token): Simplify into a single loop.
932 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
934 * configure.in: Use 'test -f' not '[ -e'.
935 * configure: Regenerated.
937 2000-11-13 DJ Delorie <dj@redhat.com>
939 * config/mn10300/mn10300.md (store_movm): Note which registers are
940 really used or clobbered.
942 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
944 * c-parse.in (ends_in_label): Remove from %union and %type.
945 (decls, stmts, lineno_stmt_or_labels, xstmts,
946 lineno_stmt_or_label, stmt_or_label): Remove.
947 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
948 lineno_stmt_decl_or_labels_ending_decl,
949 lineno_stmt_decl_or_labels_ending_label,
950 lineno_stmt_decl_or_labels_ending_error,
951 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
952 lineno_stmt, lineno_label): New.
953 (compstmt_nostart): Use compstmt_contents_nonempty.
955 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
957 * c-common.c (boolean_increment): New function.
958 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
959 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
960 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
961 (boolean_increment): Declare.
962 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
963 * c-decl.c (init_decl_processing): Create boolean nodes.
964 (finish_struct): Allow for _Bool bitfields.
965 * c-parse.in (reswords): Add _Bool.
966 (rid_to_yy): Allow for RID_BOOL.
967 * c-typeck.c (default_conversion): Make booleans promote to int.
968 (convert_arguments, build_unary_op, build_modify_expr,
969 convert_for_assignment): Allow for booleans.
970 * ginclude/stdbool.h: Make conforming to C99.
972 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
974 * c-parse.in (c99_block_start, c99_block_end,
975 c99_block_lineno_labeled_stmt): New.
976 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
977 (stmt): Split off selection and iteration statements into...
978 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
980 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
982 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
985 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
987 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
988 Rewrite to avoid use of match_dup. Don't try to tie registers that
989 are not in the same mode.
991 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
993 * invoke.texi: Update lists of languages and suffixes supported.
995 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
997 * configure.in: Take toplevel configure arguments from the
998 environment to create configargs.h and substitute
999 gcc_config_arguments, taking account of any existing configargs.h
1001 * configure: Regenerate.
1002 * gccbug.in: Include toplevel configure arguments in gccbug.
1004 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1006 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
1007 union to make it well-aligned. Update all uses.
1009 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1011 * c-parse.in (initelt): Give appropriate pedantic warnings,
1012 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
1014 (designator): If pedantic, pedwarn for a designator specifying a
1016 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
1018 * extend.texi: Document the C99 syntax as the preferred syntax,
1019 and the pre-2.5 syntax as obsolete. Mention use of designator
1020 lists for nested subobjects.
1022 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1024 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
1025 Add ATTRIBUTE_PRINTF.
1026 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
1027 Add ATTRIBUTE_PRINTF*.
1029 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1031 * function.c (assign_parms): When calling put_var_into_stack, make
1032 sure that there are no hidden pending sequences.
1034 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1036 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
1037 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
1040 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
1042 * c-common.c (c_common_nodes_and_builtins): Declare index and
1043 rindex when nonansi builtins are allowed.
1045 * extend.texi (index, rindex): Document new builtins.
1047 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1049 * configure.in: Turn on libstdc++ V3 by default.
1050 * configure: Regenerated.
1052 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
1054 2000-11-12 Jakub Jelinek <jakub@redhat.com>
1056 * reload1.c (set_label_offsets): Go inside of PARALLELs.
1058 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
1060 * invoke.texi: Clean up option summary.
1062 2000-11-12 Nick Clifton <nickc@redhat.com>
1064 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
1065 of #include headers.
1067 2000-11-12 Marc Espie <espie@openbsd.org>
1069 * configure.in: Fix filds test.
1072 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1074 * jump.c (delete_computation): Don't assume that just becuase an
1075 instruction sets a register, that register is dead.
1077 2000-11-12 Neil Booth <neilb@earthling.net>
1079 * cppexp.c: Don't worry about pfile->skipping.
1080 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
1081 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
1082 for handled directives.
1083 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
1084 and releasing lookaheads.
1085 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
1086 (do_else, do_elif, push_conditional): Update logic.
1087 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
1088 (unwind_if_stack): Inline into cpp_pop_buffer.
1089 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
1090 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
1091 multiple-include optimisation.
1092 * cpplib.h (struct cpp_buffer): New member was_skipping.
1093 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
1094 works because skipping == 0 in directives.
1095 (_cpp_release_lookahead): Renamed from release_lookahead.
1096 (cpp_get_token): No need to check skipping as _cpp_get_token does
1097 this for us. No need to handle MI optimisation.
1099 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
1101 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
1102 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
1103 * fixinc/fixincl.x: Regenerated.
1105 2000-11-11 Bruce Korb <bkorb@gnu.org>
1107 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
1108 (avoid_wchar_t_type): ditto
1109 * fixinc/fixinc.irix: obsoleted
1111 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
1113 * configure.in: Don't add $outputs to all_lang_makefiles. Add
1114 $srcdir/$s/Makefile.in if it exists.
1115 * configure: Regenerate.
1117 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
1119 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
1121 2000-11-11 Jason Merrill <jason@redhat.com>
1123 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
1124 give the parm a register and then call put_var_into_stack.
1125 * stmt.c (expand_decl): Likewise.
1127 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1129 * gcc.texi: Adjust wording.
1131 2000-11-11 Mark Mitchell <mark@codesourcery.com>
1133 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
1134 * fininc/fixincl.x: Regenerated.
1136 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1138 * invoke.texi: Correct spelling of -foptimize-register-move.
1140 2000-11-11 Neil Booth <neilb@earthling.net>
1142 Remove CPP_PLACEMARKERs.
1144 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
1145 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
1146 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
1148 * cpplib.h: Remove CPP_PLACEMARKER.
1149 (struct lexer_state): Rename skip_newlines to next_bol.
1150 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
1151 Simplify prev_white handling as a result.
1152 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
1153 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
1154 (parse_args): Similarly. Update argument count tests.
1155 (enter_macro_context): Return 2 to indicate an empty macro.
1156 (replace_args): Don't bother pre-expanding an empty argument.
1157 Handle placemarkers and ## extension during pre-expansion.
1158 (cpp_get_token): Handle empty macro expansions. Don't worry
1159 about CPP_PLACEMARKERs.
1160 (_cpp_create_definition): Empty macros are now empty.
1161 (cpp_macro_defintion): Don't special case empty macros.
1162 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
1163 * c-lex.c: Similarly.
1165 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1167 * gcc.texi, invoke.texi: Add new section discussing language
1168 standards; link to it where appropriate; refer to ISO C instead of
1171 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
1173 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
1176 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
1179 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1181 * gcc.texi, gcov.texi: Update dates and version numbers.
1183 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
1185 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
1186 flex and bison, specifically, first in a unified build and
1187 then installed on the system.
1188 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
1189 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
1192 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
1193 cppdefault.o): Remove pointless sed munging of source file
1196 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
1198 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
1199 for address reloads. Push replacements for REG_INC notes.
1200 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
1202 * reload1.c (choose_reload_regs): Registers set in the insn can't be
1203 used for RELOAD_OTHER reloads.
1205 2000-11-10 Mark Mitchell <mark@codesourcery.com>
1207 * c-dump.h: New file.
1209 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1211 * alpha.c (check_float_value): Use memcpy, not bcopy.
1212 * arm.c (output_move_double): Likewise.
1214 * m88k.c (legitimize_operand): Likewise.
1215 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1216 * m88k.md: Likewise.
1217 * mips.c (override_options): Likewise.
1218 * mips.md: Likewise.
1219 * romp.c (output_fpops): Likewise.
1220 * rs6000.c (rs6000_override_options): Likewise.
1222 * vax.c (check_float_value): Likewise.
1224 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
1225 * expmed.c (synth_mult): Likewise.
1226 * final.c (add_bb_string): Likewise.
1227 * genattr.c (main): Likewise.
1228 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
1230 * jump.c (thread_jumps): Likewise.
1231 * prefix.c (save_string): Likewise.
1232 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
1233 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
1234 * reload1.c (reload, eliminate_regs): Likewise.
1236 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1238 * gcc.texi (Service): Update to reflect current practice and
1239 location of the GNU service directory.
1241 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
1243 * regrename.c (build_def_use): Mark contents of REG_INC notes as
1244 needing replacement.
1246 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
1247 a no-op move if regs are equal.
1248 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
1249 when calling jump after post-reload splitting.
1251 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
1253 * c-tree.texi: Fix typos.
1254 * extend.texi: Likewise
1255 * gcov.texi: Likewise
1256 * rtl.texi: Likewise
1259 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
1261 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1262 in_system_header and flags[1] before dereferencing flags[2].
1264 2000-11-09 Matthew Hiller <hiller@redhat.com>
1266 * reload1.c (reload_combine): Fixed calculation of
1267 first_index_reg, last_index_reg.
1269 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1271 * c-dump.c (dequeue_and_dump): Dump function bodies.
1273 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1274 (c-dump.o): New target.
1275 * c-common.h (flag_dump_translation_unit): New variable.
1276 (C_TYPE_QUALS): New macro.
1277 (strip_array_types): New function.
1278 (DECL_C_BIT_FIELD): New macro.
1279 (SET_DECL_C_BIT_FIELD): Likewise.
1280 (CLEAR_DECL_C_BIT_FIELD): Likewise.
1281 (dump_info_p): New typedef.
1282 (dump_tree_fn): Likewise.
1283 (lang_dump_tree): New variable.
1284 (dump_node_to_file): New function.
1285 * c-common.c (flag_dump_translation_unit): Define it.
1286 (strip_array_types): New function.
1287 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
1288 * c-lang.c (finish_file): Call dump_node_to_file if
1289 flag_dump_translation_unit.
1290 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
1291 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
1292 * c-dump.c: New file.
1294 2000-11-09 Christopher Faylor <cgf@cygnus.com>
1296 * config/i386/cygwin.h: Add mingw startfile prefix.
1298 2000-11-09 Richard Henderson <rth@redhat.com>
1300 * flow.c (invalidate_mems_from_set): Split out from ...
1301 (mark_set_1): ... here.
1302 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
1303 instead of turning insn into a NOTE_INSN_DELETED.
1305 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1307 * extend.texi, invoke.texi: Move documentation of builtin versions
1308 of C library functions to one place and update.
1310 2000-11-09 Richard Henderson <rth@redhat.com>
1312 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
1313 the types themselves to discover type equivalence.
1315 2000-11-09 Mike Stump <mrs@wrs.com>
1317 * Makefile.in (distclean): Remove a few extra leftovers.
1319 2000-11-09 Richard Henderson <rth@redhat.com>
1321 * recog.c (validate_replace_rtx_1): Consider subregs when
1322 replacing a register with a constant inside a sign/zero_extend.
1324 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1326 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
1328 * c-decl.c (finish_struct): When a structure is completed,
1329 check all its variant types for completeness.
1331 2000-11-09 Neil Booth <neilb@earthling.net>
1333 * cpphash.c: Move cpp_defined here from cpplib.c.
1334 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
1335 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
1336 * cppmacro.c (cpp_get_token): Update comments, no need now
1337 to catch the CPP_EOF meaning EOL case.
1339 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
1341 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
1342 is more than that provided, copy to a temporary.
1344 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
1346 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
1347 interpreting $out as a macro assignment.
1348 * Makefile.in (T_TARGET): New auxiliary macro and target.
1349 (all): Add a target right in the beginning, so that we don't build
1350 T_TARGET by default.
1352 2000-11-09 Graham Stott <grahams@redhat.com>
1354 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
1355 order for -mintel-syntax. Remove comment now that the operand
1356 order has been checked.
1357 (mmx_pextrw): Likewise.
1358 (mmx_pshufw): Likewise.
1360 2000-11-09 Jakub Jelinek <jakub@redhat.com>
1362 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
1363 (c_getstr): New function.
1364 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
1365 If both arguments are constant string, optimize out.
1366 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
1367 (expand_builtin_strpbrk): Use c_getstr, do nothing if
1368 -fcheck-memory-usage.
1369 (expand_builtin_fputs): Likewise.
1370 (expand_builtin_strcmp): Add MODE argument.
1371 Use even if !HAVE_cmpstrsi.
1372 Optimize the case when both arguments are constant strings.
1373 (expand_builtin): Adjust expand_builtin_strcmp caller.
1374 Call expand_builtin_strchr and expand_builtin_strrchr.
1375 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
1377 * builtins.def (BUILT_IN_STRRCHR): Add.
1379 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1381 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
1383 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
1385 * calls.c (expand_call, emit_library_call_value_1), collect2.c
1386 (scan_prog_file), config/a29k/a29k.c (print_operand),
1387 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
1388 instead of bcopy ().
1389 * real.h: Use memcmp () instead of bcmp ().
1390 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
1391 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
1392 ultrasparc_sched_init, ultrasparc_sched_reorder),
1393 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
1394 instead of bzero ().
1395 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
1396 instead of rindex ().
1397 * configure.in: Don't check for bzero, bcmp, index or rindex.
1398 * configure, config.in: Regenerate.
1399 * system.h: Don't include declarations for bzero, bcmp, index or
1401 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
1402 bzero, bcmp, index or rindex.
1404 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
1406 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
1407 include and library paths from -mcygwin case. Parameterize some
1408 declarations to avoid warnings. Use standard locations for include and
1411 2000-11-08 Nick Clifton <nickc@redhat.com>
1413 * config/arm/arm.md (mulsidi3adddi): Change output operand
1414 constraint from "=&" to "+&".
1415 (umulsidi3adddi): Change output operand constraint from "=&" to
1418 2000-11-08 Richard Henderson <rth@redhat.com>
1420 * flow.c (init_propagate_block_info): Protect the rtx stored in
1421 mem_set_list from modification by find_auto_inc.
1422 (mark_set_1): Likewise.
1424 2000-11-08 Neil Booth <neilb@earthling.net>
1426 Move directive handling into the lexer itself.
1428 * cpplex.c (_cpp_lex_token): Handle directives directly.
1429 In the case of a directive interrupting a function-like
1430 macro invocation, use extra_char since read_ahead is
1431 used to store the '#'. Return a CPP_EOF in this case.
1432 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
1433 (cpp_get_token): Don't handle directives here.
1434 * cpplib.h: Remove CPP_DHASH token type.
1436 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
1438 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
1439 formed using PRE_MODIFY too.
1441 2000-11-08 Mark Mitchell <mark@codesourcery.com>
1443 * c-tree.texi (VAR_DECL): Describe representation of GCC's
1444 extension for placing variables in particular registers.
1446 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
1447 unprototyped C functions with no parameters.
1449 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1451 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
1452 before passing to fprintf.
1454 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1456 * function.c (expand_function_start): Cast GET_MODE_SIZE to
1457 HOST_WIDE_INT before negating it.
1459 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1461 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
1462 passed in multiple non-contiguous locations.
1464 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1466 * README.gnat: Remove file.
1468 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
1470 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
1473 2000-11-07 Richard Henderson <rth@redhat.com>
1475 * dwarfout.c (INSN_LABEL_FMT): Remove.
1476 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1477 (dwarfout_label): Remove.
1478 * dwarfout.h: Remove it's prototype.
1479 * dwarf2out.c (INSN_LABEL_FMT): Remove.
1480 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1481 (dwarf2out_label): Remove.
1482 * dwarf2out.h: Remove it's prototype.
1483 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
1485 2000-11-07 Richard Henderson <rth@redhat.com>
1487 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
1488 search on the unwind region section.
1490 * config/ia64/ia64.md (movbi): Add r/r alternative.
1491 (cmovdi_internal_astep): Describe all combinations of register
1492 classes for sources & destinations; remove matching constraints.
1493 (cmovdi_internal): Likewise.
1495 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
1497 2000-11-07 Richard Henderson <rth@redhat.com>
1499 * c-lang.c (start_cdtor, finish_cdtor): New functions.
1500 (finish_file): Use them in building constructor/destructor functions.
1502 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
1503 LD_FINI_SWITCH): Move ...
1504 * config/alpha/osf.h: ... here.
1505 * config/alpha/alpha-interix.h: Don't undef them.
1507 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
1509 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
1510 included in libgcc.a.
1512 (dp-bit.c): Likewise.
1513 (fp-bit.c): Likewise.
1515 2000-11-07 Nick Clifton <nickc@redhat.com>
1517 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
1518 (INTERNAL_ASM_OP): Add missing tab.
1520 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1522 * alias.c (init_alias_analysis), calls.c (expand_call,
1523 emit_library_call_value_1), combine.c (init_reg_last_arrays),
1524 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
1525 (init_output_buffer, set_diagnostic_context), dwarf2out.c
1526 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
1527 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
1528 function.c (assign_parms), gcse.c (compute_can_copy,
1529 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
1530 compute_hash_table, compute_set_hash_table,
1531 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
1532 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
1533 clear_units, schedule_block), integrate.c (initialize_for_inline,
1534 expand_inline_function), jump.c (thread_jumps), local-alloc.c
1535 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
1536 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
1537 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
1538 record_reg_classes, allocate_reg_info), reload.c
1539 (get_secondary_mem, remove_address_replacements, find_reloads),
1540 reload1.c (reload, set_initial_label_offsets, finish_spills,
1541 reload_as_needed, choose_reload_regs_init,
1542 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
1543 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
1544 (rename_registers), stmt.c (expand_end_case), unroll.c
1545 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
1546 () instead of bzero ().
1548 2000-11-07 Neil Booth <neilb@earthling.net>
1550 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
1552 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1554 * c-common.c (combine_strings): Only warn about long strings for C.
1556 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
1558 * combine.c (distribute_notes): Fix typo in last change.
1560 2000-11-07 Geoff Keating <geoffk@redhat.com>
1562 * config/rs6000/rs6000.md (movdi_internal32+1): Use
1563 operand_subreg_force rather than gen_rtx_SUBREG.
1564 (movdi_internal32+2): Likewise.
1566 2000-11-07 Philip Blundell <philb@gnu.org>
1568 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
1569 * config/arm/linux-aout.h: Likewise.
1570 * configure: Regenerate.
1572 2000-11-07 Philipp Thomas <pthomas@suse.de>
1574 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
1575 accepted my the gettext maintainer.
1577 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1579 * builtins.c (expand_builtin_strpbrk): New function.
1580 (expand_builtin): Handle BUILT_IN_STRPBRK.
1582 * builtins.def (BUILT_IN_STRPBRK): New entry.
1584 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1587 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
1589 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
1590 * POTFILES.in: Add config/alpha/freebsd.h
1591 * configure.in: Add alpha*-freebsd support.
1592 * configure: Regenerate.
1594 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1596 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
1597 copy of ptr_type_node rather than ptr_type_node itself.
1599 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
1601 * combine.c (recog_for_combine): Allocate uninitialized vector with
1603 * recog.c (apply_change_group): Likewise.
1605 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
1607 * flow.c (verify_local_live_at_start): Back out last change.
1608 * combine.c (distribute_notes): When parts of a hard reg are
1609 neither set nor referenced in PLACE, search backwards for a
1610 place to put a REG_UNUSED note; if none found, ask for flow
1613 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
1615 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
1616 with (clobber (match_scratch...)).
1618 2000-11-06 Neil Booth <neilb@earthling.net>
1620 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
1623 2000-11-06 Neil Booth <neilb@earthling.net>
1625 * tradcpp.c (special_symbol): Assign an null string rather
1626 than writing to an unallocated buffer.
1628 2000-11-06 Neil Booth <neilb@earthling.net>
1630 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
1633 2000-11-06 Neil Booth <neilb@earthling.net>
1635 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
1636 tok.val.arg_no as appropriate.
1637 * cppexp.c (lex): Similarly.
1638 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
1639 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
1640 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
1641 cpp_macro_definition): Similarly.
1642 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
1644 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1646 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
1647 operands[1] is constant, calculate the sum and generate movdi.
1648 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
1649 (subsi3): Use SImode in call to arith_4096_operand.
1651 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1653 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
1654 adjust %o1, not %o0 if the return type is large structure.
1656 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1658 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
1659 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
1661 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
1663 * expmed.c (expand_divmod): For signed divide by 2, prefer
1664 a branch and fewer shifts if branches are very cheap.
1666 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
1668 * Makefile.in: Remove all targets related to building
1669 distributions and diffs, or INSTALL.
1670 * INSTALL, install1.texi: Remove.
1671 * configure.in: Remove mention of distdir.
1672 * configure: Regenerate.
1673 * objc/Make-lang.in: Remove mention of distdir.
1675 2000-11-04 Neil Booth <neilb@earthling.net>
1677 * cpp.texi: Update for _Pragma.
1679 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
1681 * gcc.texi (Contributing): Update URL for projects web page.
1683 2000-11-04 Neil Booth <neilb@earthling.net>
1685 * cpplex.c (parse_string): Don't allow multiline strings in
1686 #include family directives.
1688 2000-11-04 Neil Booth <neilb@earthling.net>
1690 * cpplib.c (do_line): Only warn pedantically if not reading
1693 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
1695 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
1698 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
1700 * builtins.c (expand_builtin_strlen): Remove unused mode
1702 * gcc.c (process_command): Remove unused variable.
1703 * fold-const.c: Include expr.h.
1704 * recog.c: Include reload.h.
1705 * Makefile.in (recog.o, fold-const.o): Update deps.
1707 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
1709 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
1711 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
1713 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
1715 (STARTFILE_SPEC): Likewise.
1716 (LINK_SPEC): Likewise.
1718 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1720 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
1721 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
1722 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
1724 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
1726 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
1727 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
1728 perm_calloc, get_identifier, maybe_get_identifier,
1729 real_value_from_int_cst, simple_cst_equal), varasm.c
1730 (assemble_name, assemble_real, immed_real_const_1,
1731 compare_constant_1, decode_rtx_const, output_constant_pool): Use
1732 strrchr () instead of rindex (). Use memcmp () instead of bcmp
1733 (). Use memcpy () instead of bcopy (). Use memset () instead of
1736 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
1738 * cppfiles.c (open_file): If already read, then don't reopen.
1739 Immediately close an empty file.
1741 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1743 * expr.h (fold_builtin): Move declaration...
1744 * tree.h (fold_builtin): ... here.
1746 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
1748 * flow.c (verify_local_live_at_start): Allow hard regs to die.
1750 2000-11-02 Neil Booth <neilb@earthling.net>
1753 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
1754 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
1755 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
1756 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
1757 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
1758 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
1759 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
1760 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
1761 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
1762 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
1763 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
1764 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
1765 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
1766 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
1767 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1768 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
1769 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
1770 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
1771 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
1772 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
1773 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
1774 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
1775 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
1776 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
1777 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
1778 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
1779 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
1780 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
1781 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
1782 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
1783 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
1784 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
1785 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
1786 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
1787 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
1788 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
1789 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
1790 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
1791 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
1792 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
1793 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
1794 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
1795 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
1796 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
1797 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
1798 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
1799 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
1800 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
1801 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
1802 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
1803 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
1804 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
1805 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
1806 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
1807 vax/vaxv.h, vax/vms.h, we32k/we32k.h
1809 Replace -A() with -A=, the new assertion syntax.
1811 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
1813 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
1815 In REG_DEAD handling: When handling parts of multi-hard-reg hard
1816 registers, increment the loop counter by the size of the parts;
1817 use recursion to handle individual parts.
1819 2000-11-02 Neil Booth <neilb@earthling.net>
1821 * configure.in: Make integrated CPP the default.
1822 * configure: Regenerate.
1824 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
1826 * reload.c (find_equiv_reg): Test all hard registers for membership
1827 in the requested class.
1829 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1831 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
1832 process_command, main), gcov.c (open_files, output_data), tlink.c
1833 (frob_extension, scan_linker_output), toplev.c
1834 (file_name_nondirectory): Use strchr () and strrchr () instead of
1835 index () and rindex ().
1837 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1839 * c-common.c (get_flag_spec, check_format_info_main,
1840 check_format_types): Use strchr () instead of index (). Compare
1841 against error_mark_node instead of comparing the TREE_CODE against
1844 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
1848 * c-lex.c (init_c_lex): Update cpp_start_read call.
1849 (cb_ident): Update for new callback prototype.
1850 (cb_def_pragma): Update for new cpp_get_token prototype.
1851 (c_lex): Similarly. Use cpp_get_line.
1853 * c-parse.in (finish_parse): Update for new cpp_finish
1856 * cp/lex.c (finish_parse): Similarly.
1858 2000-11-01 Geoff Keating <geoffk@cygnus.com>
1860 * machmode.def: Add V16QImode.
1862 2000-11-01 Richard Henderson <rth@redhat.com>
1864 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
1865 from rtl_for_decl_location.
1866 (add_location_or_const_value_attribute): Likewise.
1868 2000-11-01 Neil Booth <neilb@earthling.net>
1870 * cpplib.c (run_directive): Use correct line number for output
1871 of _Pragma. Remember any in-progress directive.
1873 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
1875 2000-11-01 Richard Henderson <rth@redhat.com>
1877 * stmt.c (expand_start_null_loop): Set continue_label.
1879 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1881 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
1882 (expand_builtin_constant_p): Move parts of the code into
1883 fold_builtin_constant_p.
1884 (expand_builtin_strlen): Move parts of the code into fold_builtin.
1885 * expr.h (fold_builtin): Declare.
1886 * fold-const.c (fold): Handle builtin calls.
1888 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
1890 2000-11-01 Richard Henderson <rth@redhat.com>
1892 * stmt.c (expand_start_null_loop): New.
1893 (expand_end_null_loop): New.
1894 * c-semantics.c (genrtl_do_stmt): Use them.
1895 * tree.h: Declare them.
1897 2000-11-01 Richard Henderson <rth@redhat.com>
1899 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
1901 2000-11-01 Neil Booth <neilb@earthling.net>
1903 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
1904 * cp/spew.c: Similarly.
1905 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
1906 * cppmacro.c (stringify_arg): Similarly.
1907 * cpplib.h (CPP_BACKSLASH): Delete.
1909 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1911 * builtins.c (expand_builtin_strstr): New function.
1912 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
1914 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
1916 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
1919 2000-10-31 Richard Henderson <rth@redhat.com>
1921 * config/i386/i386.c (fcmov_comparison_operator): Check for
1922 CCFPmode or CCFPUmode instead of CCmode.
1923 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
1924 unordered operations as well.
1926 2000-10-31 Richard Henderson <rth@redhat.com>
1928 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
1929 of integer_zero_node.
1931 2000-10-31 Richard Henderson <rth@redhat.com>
1933 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
1935 2000-10-31 Nick Clifton <nickc@redhat.com>
1937 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
1938 -fdata-sections to override the section attribute of a DECL.
1940 2000-10-31 Chris Demetriou <cgd@sibyte.com>
1942 * libgcc2.c (__shtab): Remove __shtab variable.
1943 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
1944 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
1947 2000-10-31 Jim Wilson <wilson@redhat.com>
1949 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
1950 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
1951 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
1952 instead of ASM_OUTPUT_INTERNAL_LABEL.
1953 (dwarf2out_end_block, dwarf2out_label): Likewise.
1954 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
1955 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
1957 2000-10-31 Richard Henderson <rth@redhat.com>
1959 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
1960 (size_of_locs): Set it.
1961 (output_loc_operands): Use it to compute branch displacement.
1962 (int_loc_descriptor): New.
1963 (mem_loc_descriptor): Dereference memory in the proper size.
1964 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
1965 (loc_descriptor_from_tree): New.
1966 (rtl_for_decl_location): Break out from ...
1967 (add_location_or_const_value_attribute): ... here.
1968 (add_bound_info): Use loc_descriptor_from_tree.
1970 2000-10-31 Neil Booth <neilb@earthling.net>
1972 * cpp.texi: Update for new command line assertion syntax.
1973 * cpplib.c (cpp_define): Simplify a bit.
1974 (cpp_assert, cpp_unassert): Use handle_assertion.
1975 (handle_assertion): New function; accept new command line
1977 * testsuite/gcc.dg/cpp/assert3.c: New tests.
1979 2000-10-31 Neil Booth <neilb@earthling.net>
1981 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
1982 undefined. Remove #ifdef check.
1983 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
1984 Define STDC_0_IN_SYSTEM_HEADERS to 1.
1986 2000-10-31 Jan Hubicka <jh@suse.cz>
1987 Jakub Jelinek <jakub@redhat.com>
1989 * config/i386/i386.h: Clarify CCNOmode description in comment.
1990 (EXTRA_CC_MODES): Remove CCRCmode.
1991 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
1992 (put_condition_code, ix86_match_ccmode): Likewise.
1993 (ix86_cc_mode): Likewise. Fix comment.
1994 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
1995 * config/i386/i386.md: Add unspec 12 description.
1996 (adddi3 split): Use unspec 12 instead of CCRCmode.
1997 (addsi3_carry_rc): Remove.
1998 (addsi3_cc, addqi3_cc): New patterns.
1999 (addsi_3): Swap operands, match CCZmode.
2000 (addsi_4): Rewritten.
2001 (addsi_5): Renamed from addsi_6.
2003 (addhi_3): Swap operands, match CCZmode.
2004 (addhi_4): Rewritten.
2005 (addhi_5): Renamed from addhi_6.
2007 (addqi_3): Swap operands, match CCZmode.
2008 (addqi_4): Rewritten.
2009 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
2010 (subsi3_carry_rc): Removed.
2011 (iorqi_3): Use =q constraint for clobber.
2012 (xorqi_cc_2): Likewise.
2013 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
2014 (x86_movsicc_0_m1_rc): Removed.
2015 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
2017 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
2019 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
2020 and decrement of complex types.
2022 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2024 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
2025 builtin fputs, ensure we still evaluate the stream in case it
2028 2000-10-31 Jakub Jelinek <jakub@redhat.com>
2030 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
2033 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
2035 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
2036 (fp_extended_operand, emit_fpscr_use): Likewise.
2037 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
2038 (fpul_operand): New function.
2039 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
2040 fp_extended_operand. Add fpul_operand.
2041 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
2042 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
2043 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
2044 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
2045 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
2046 (divdf3_i): Likewise.
2047 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
2048 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
2049 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
2050 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
2051 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
2053 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
2055 * config/i386/i386.c (ix86_init_builtins): Correct return type
2056 building v4hi_ftype_v4hi_int_int tree node.
2057 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
2058 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
2060 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
2062 (mmx__uavgv8qi3): Correct insn mnemonic.
2063 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
2064 (mmx_punpckhwd): Correct insn mnemonic.
2065 (mmx_punpckhdq): Likewise.
2066 (mmx_punpcklwd): Likewise.
2067 (mmx_punpckldq): Likewise.
2068 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
2069 Renumber case labels to match the _mm_prefetch constants defined in
2072 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
2073 if the splitter didn't emit new insns.
2074 Make sure we call cleanup_subreg_operands even when splitting the last
2075 insn in a basic block.
2077 * invoke.texi (Debugging Options): Describe -do.
2078 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
2079 (dump_file): Likewise.
2080 (rest_of_compilation): Split .greg dump into .greg and .postreload.
2082 2000-10-30 Neil Booth <neilb@earthling.net>
2084 * cppfiles.c (stack_include_file): Check for stacked contexts
2086 * cpphash.h (_cpp_do__Pragma): New prototype.
2087 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
2089 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
2090 escaped newlines if !(buffer->from_stage3).
2091 (_cpp_lex_token): Warn about missing newlines iff
2092 !buffer->from_stage3.
2094 * cpplib.c (get__Pragma_string, destringize,
2095 _cpp_do__Pragma): New functions.
2096 (run_directive): Set output_line for _Pragma to avoid line
2097 markers in output. Set from_stage3 and prevent macro expansion
2098 for _Pragma and command-line options. Check buffer exhaustion.
2099 (cpp_push_buffer): Don't check for stacked macro contexts, as
2100 this is perfectly legitimate for _Pragma. Move the check to
2101 stack_include_file instead. Set from_stage3 iff buffer is
2104 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
2105 unsigned. New boolean from_stage3.
2106 (struct spec_nodes): Add n__Pragma.
2108 * cppmacro.c (enter_macro_context): Flip sense of return value.
2109 (_cpp_get_token): Handle _Pragma operator.
2111 2000-10-30 Phil Edwards <pme@sources.redhat.com>
2113 * gcc.texi: The C++ standard isn't "draft" anymore.
2115 2000-10-30 Mark Mitchell <mark@codesourcery.com>
2117 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
2119 2000-10-29 Neil Booth <neilb@earthling.net>
2121 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
2123 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
2125 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
2126 fixinc/inclhack.def: Change comments mentioning C9X to refer to
2129 * invoke.texi: Document that -V will only work for very similar
2130 versions of driver and compiler.
2132 2000-10-29 Neil Booth <neilb@earthling.net>
2134 * cppmacro.c (_cpp_create_definition): Optimize the case of
2135 a macro defined to itself.
2137 2000-10-29 Neil Booth <neilb@earthling.net>
2139 * cpplex.c (save_comment): Don't store new lines in C++ comments.
2141 2000-10-29 Michael Hayes <mhayes@redhat.com>
2143 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
2145 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
2147 * cpphash.c (cpp_forall_identifiers): Add context variable
2148 for callback routine.
2149 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
2151 (main): Call cpp_forall_identifiers with null context.
2152 * cpplib.h (cpp_forall_identifiers): Update prototype.
2154 * cppmain.c: Make `parse_in' and `print' static.
2156 2000-10-28 Alan Modra <alan@linuxcare.com.au>
2158 * c-decl.c (finish_function): Clear c_function_name_declared_p.
2160 2000-10-28 Richard Henderson <rth@redhat.com>
2162 * regrename.c (scan_rtx_address): Frob action, not class,
2163 when trying to disable optimization.
2165 2000-10-28 Mark Mitchell <mark@codesourcery.com>
2167 * c-semantics.c (make_rtl_for_local_static): Don't clobber
2168 DECL_ASSEMBLER_NAME.
2170 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
2172 * configure.in: Determine and substitute gcc_version_full.
2173 * configure: Regenerate.
2174 * gccbug.in: Use it to give full version. Don't allow
2177 2000-10-28 Richard Henderson <rth@redhat.com>
2179 * recog.c (split_all_insns): Run cleanup_subreg_operands
2182 * regrename.c (regrename_optimize): Verify that all registers of
2183 a multiple register mode are available.
2184 (scan_rtx_address): Accept the mode of the address; all callers
2187 * cpplib.c (run_directive): Fix prototype.
2189 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
2191 * reload.c (find_reloads): Distinguish "wins" so that we know whether
2192 a given operand won because of a matching constraint or not; then use
2193 that information to compute goal_alternative_matched properly.
2194 * reload1.c (choose_reload_regs): Never set reload_override_in for an
2197 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
2198 accurate value for MULT.
2199 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
2200 2% or > 98% before using static branch prediction bits.
2202 2000-10-28 Neil Booth <neilb@earthling.net>
2206 * cpplib.c (struct answer): New.
2207 (struct if_stack): Use cpp_lexer_pos rather than line and col.
2208 Rename cmacro mi_cmacro.
2209 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
2210 IN_I): New directive and flags.
2211 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
2212 parse_answer, parse_assertion, find_answer): New functions.
2213 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
2214 (lex_macro_node): New function to replace parse_ifdef and
2217 (_cpp_handle_directive): New function, combines _cpp_check_directive
2218 and _cpp_check_linemarker.
2220 (do_define, do_undef, parse_include, do_include, do_import,
2221 do_include_next, read_line_number, do_line, do_ident, do_pragma,
2222 do_pragma_once, do_pragma_poison, do_pragma_dependency):
2223 Update for new token getting interface.
2225 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
2226 : Update for new multiple-include optimisation technique.
2227 (do_elif): Don't forget to invalidate controlling macros.
2229 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
2230 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
2231 Functions to handle assertions with the new token interface.
2232 (do_assert, do_unassert): Use them.
2234 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
2237 (_cpp_init_stacks): Register directive names. Don't register special
2240 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
2241 new position recording regime.
2242 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2243 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
2244 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
2245 (cpp_type2name): Move to cpplex.c.
2247 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
2248 (parse_defined): Update to handle new multiple include optimisation
2249 method. Remove poisoned identifier warning.
2250 (parse_assertion, TYPE_NAME): Delete.
2251 (lex): Update for multiple include optimisation, removal of
2252 CPP_DEFINED, to use _cpp_test_assertion for assertions and
2254 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
2255 (op_as_text): New function, to wrap cpp_token_as_text.
2257 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
2258 Update for MI optimisation.
2259 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
2260 segfault on diagnostic.
2261 (_cpp_compare_file_date): Take a token rather than 3 args.
2262 (cpp_read_file): Work correctly for zero-length files.
2264 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2265 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2266 (cpp_lookup): Place identifiers at front of identifier pool
2267 for _cpp_lookup_with_hash.
2268 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2269 the identifier pool. Commit the memory if not already in the
2272 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2273 Initialise various members of cpp_reader, memory pools, and the
2275 (cpp_printer_init): Delete.
2276 (cpp_cleanup): Update.
2277 (struct builtin, builtin_array, initialize_builtins): Update for new
2278 hashnode definition and builtin handling.
2279 (cpp_start_read, cpp_finish): Don't take or initialise a
2282 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
2283 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
2284 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
2285 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
2286 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
2287 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
2288 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
2289 struct toklist, struct cpp_context, struct specnodes,
2290 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
2291 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
2292 enum builtin_type, cpp_can_paste): New.
2293 (struct cpp_token): Delete line and col members.
2294 (struct cpp_buffer): New member output_lineno.
2295 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
2296 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
2297 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
2298 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
2299 base_context, context, directive, mi_state, mi_if_not_defined,
2300 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
2301 mlstring_pos, macro_buffer, macro_buffer_len.
2302 Delete members mls_line, mls_column, token_list, potential_control_macro,
2303 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
2304 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
2305 save_parameter_spellings, need_newline, .
2306 Change type of date, time and spec_nodes members.
2307 Change prototypes for include and ident callbacks.
2308 (struct cpp_hashnode): Change type of name. Remove union members
2309 expansion and code. Add members macro, operator and builtin.
2311 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
2312 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
2313 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
2314 cpp_stop_lookahead): New prototypes.
2315 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
2317 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
2318 Move from cpphash.h.
2320 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
2321 ufputs): Move to cpplib.h.
2322 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
2323 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
2324 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
2325 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
2326 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
2327 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
2328 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
2329 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
2330 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
2331 _cpp_parse_assertion, _cpp_find_answer): Delete.
2332 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
2333 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
2334 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
2335 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
2336 _cpp_handle_directive, DSC): New.
2337 (struct include_file): New member defined.
2339 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
2340 _cpp_compare_file_date): Update.
2341 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
2342 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
2343 _cpp_cleanup_hashtable.
2345 * Makefile.in: Remove cppoutput.c.
2347 * cppoutput.c: Delete
2349 * fixheader.c (read_scan_file): Update for new cpp_get_token
2351 (recognized_function): New argument LINE.
2353 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
2354 new cpp_get_token prototype.
2356 * scan.h (recognized_function): Update prototype.
2358 * po/POTFILES.in: Remove cppoutput.c.
2360 2000-10-27 Mark Mitchell <mark@codesourcery.com>
2362 * c-typeck.c (check_init_type_bitfields): Remove.
2363 (constructor_incremental): Likewise.
2364 (struct constructor_stack): Remove incremental bit.
2365 (struct initializer_stack): Likewise.
2366 (start_init): Don't play with constructor_incremental.
2367 (finish_init): Likewise.
2368 (really_start_incremental_init): Likewise.
2369 (push_init_level): Likewise.
2370 (pop_init_level): Likewise.
2371 (output_init_level): Likewise.
2372 (output_pending_init_elements): Likewise.
2374 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
2376 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
2377 Improve error messages. Correct parsing of
2378 #pragma pack(pop [,id]). Do not check the user-supplied
2379 alignment if we're popping.
2381 * gcc.dg/pack-test-1.c: New test case.
2382 * gcc.dg/pack-test-2.c: New test case.
2383 * gcc.dg/pack-test-1.h: New file.
2385 2000-10-27 Neil Booth <neilb@earthling.net>
2389 2000-10-27 Kelley Cook <kelley.cook@home.com>
2391 * invoke.texi: Document -mintel-syntax
2393 2000-10-27 Richard Henderson <rth@redhat.com>
2395 * invoke.texi: Document -frename-registers. Add it to -O3.
2396 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
2397 (enum dump_file_index, dump_file): Update order.
2398 (main): Set flag_rename_registers at -O3.
2400 2000-10-27 Richard Henderson <rth@redhat.com>
2402 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
2403 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
2404 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
2405 * config/alpha/alpha.md (call_osf_1): Use it.
2406 (call_value_osf_1): Likewise.
2408 * config/ia64/ia64.c: Revert 10-23 patch.
2409 (ia64_hard_regno_rename_ok): New.
2410 * config/ia64/ia64-protos.h: Declare it.
2411 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
2413 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
2414 Richard Henderson <rth@redhat.com>
2416 * regrename.c: Rewrite to handle multi-register modes and
2417 cond_exec instructions.
2418 * Makefile.in (regrename.o): Update dependancies.
2419 * recog.h (struct operand_alternative): Add is_address.
2420 * recog.c (preprocess_constraints) [case 'p']: Set it.
2422 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
2424 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
2425 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
2426 top level. Kill oldstyle_subdirs. Do not include
2427 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
2428 $outputs. Do not run configure.lang from config.status.
2429 Rearrange warning-flag logic to correspond to what the
2430 makefile wants. Put special vax stage1 options in
2431 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
2432 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
2433 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
2434 switch is given, nothing otherwise.
2435 * configure.lang: Delete.
2437 * Makefile.in: Expunge all traces of extra_c_objs,
2438 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
2439 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
2440 warning options via a three level scheme so that -pedantic and
2441 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
2442 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
2443 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
2444 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
2445 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
2446 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
2447 generation rules. Wrap all rules that change the current
2448 directory in parentheses; pmake doesn't spawn a new shell for
2449 each command. Expunge all references to $(P). When one
2450 command depends on another and they're run all at once, use &&
2451 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
2452 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
2455 * objc/Make-lang.in: Wrap all rules that change the current
2456 directory in parentheses. Expunge all references to $(P).
2457 When one command depends on another and they're run all at
2458 once, use && to separate them, not ;. Add OUTPUT_OPTION to
2459 all object-file generation rules. Delete obsolete variables.
2460 * objc/Makefile.in: Delete.
2462 2000-10-27 Jakub Jelinek <jakub@redhat.com>
2464 * calls.c (expand_call): If sibcall_failure is set during pass 1,
2465 clear tail_call_insns as well.
2467 2000-10-27 Nick Clifton <nickc@redhat.com>
2469 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
2472 2000-10-26 Richard Henderson <rth@redhat.com>
2474 * calls.c (expand_call): Supress sibcall if we have a
2475 BLKmode return in registers.
2477 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
2479 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
2482 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
2484 * tree.c (make_node, case 't'): Set alignment to that of
2486 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
2488 2000-10-25 Mark Mitchell <mark@codesourcery.com>
2490 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
2491 * configure.in (enable-libstdcxx-v3): Arrange to have
2492 HAVE_LIBSTDCXX_V3 substituted into the output files.
2494 2000-10-25 Richard Henderson <rth@redhat.com>
2496 * recog.c (constrain_operands): Initialize which_alternative
2497 before no alternatives early exit.
2499 * cse.c (find_comparison_args): Check that we can reverse a
2500 comparison if needed before accepting the substitution.
2502 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
2504 * simplify-rtx.c (simplify_relational_operation): Sign extend
2505 low words before sign extending to high words.
2507 2000-10-25 Nick Clifton <nickc@redhat.com>
2509 * config/mcore/mcore.c: Include config.h before system.h.
2511 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
2513 * config/mcore/mcore.md (return): Force function epilogue to
2514 always be generated to work around epilogue suppression bug in
2517 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
2519 * c-decl.c (grokdeclarator): Move warning for qualified void
2520 return types with -pedantic to when the function type is
2521 constructed. At -W, warn in general for qualified function return
2522 types, except for volatile void.
2523 * invoke.texi: Document this new warning at -W.
2525 2000-10-25 Neil Booth <neilb@earthling.net>
2527 * cpp.texi: Update with implementation-defined behavior and
2530 2000-10-25 Jakub Jelinek <jakub@redhat.com>
2532 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
2533 incomplete type force it into alias set 0.
2535 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
2537 * alias.c: Include basic-block.h.
2538 (loop_p): New function.
2539 (mark_constant_function): Use it.
2540 * Makefile.in (alias.o): Update dependencies.
2542 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2544 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
2547 2000-10-24 Jim Wilson <wilson@cygnus.com>
2549 * expmed.c (store_bit_field): Move integer pun code down after
2550 code that calls emit_move_insn for entire register move.
2551 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
2552 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
2554 2000-10-24 Richard Henderson <rth@cygnus.com>
2556 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
2557 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
2559 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2561 * gcse.c (cprop_insn): do not propagate constants into jump_insn
2562 for machines with CC0 more than once.
2564 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
2566 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
2567 pseudos just like memory.
2569 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
2571 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
2572 when deleting libcall sequence collapsed to a single instruction.
2574 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
2576 * expr.c (do_store_flag): Don't crash if either side of a
2577 comparison is error_mark_node.
2579 2000-10-24 Jakub Jelinek <jakub@redhat.com>
2581 * sibcall.c (purge_mem_unchanging_flag): New function.
2582 (optimize_sibling_and_tail_recursive_calls): Call it.
2584 2000-10-24 Philipp Thomas <pthomas@suse.de>
2586 * Makefile.in (check-po): New target for doing checks in the po
2587 subdir if all languages configured.
2588 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
2589 configure if NLS is enabled.
2590 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
2591 otherwise leave empty.
2592 * configure: Regenerate.
2594 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2596 * i386.c (print_operand): Handle new 'A' formatting code.
2597 387 opcodes need suffixes even with -mintel-syntax.
2598 Check for explicit size override (codes 'b', 'w' and 'k').
2599 (print_operand_address): Check if register prefix is needed when
2600 emitting `ds' segment override.
2601 * i386.h: Add comment about new 'A' formatting code.
2602 * i386.md (jump and call patterns): Emit absolute references using %A.
2604 2000-10-23 Richard Henderson <rth@cygnus.com>
2606 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
2607 output registers as fixed.
2608 (ia64_function_epilogue): Undo output fixation.
2610 2000-10-23 Richard Henderson <rth@cygnus.com>
2612 * config/alpha/alpha.md: Add names for all unnamed insns; use
2613 define_insn_and_split in some obvious places.
2615 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
2616 (zero_extendqisi2, zero_extendqidi2): Likewise.
2617 (zero_extendhisi2, zero_extendhidi2): Likewise.
2618 (abs splitters): Fix match_scratch operand number.
2619 (bcc_reverse): Swap pc & label instead of non-canonical compare.
2621 2000-10-23 Jim Wilson <wilson@cygnus.com>
2623 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
2625 * ia64.md (cmpsi_adjusted): Use %r3.
2626 (cmpdi_adjusted): Likewise.
2628 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2630 * config/i386/att.h (ASM_FILE_START): Define.
2632 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2634 * config/i386/linux.h (ASM_FILE_START): Define.
2636 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
2638 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
2639 since this (only) drags in a crt0.o reference that the .ld files
2642 2000-10-23 Geoff Keating <geoffk@cygnus.com>
2644 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
2645 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
2646 reloads just like an RELOAD_FOR_OUTPUT would.
2648 * local-alloc.c (update_equiv_regs): Add an abort(). When
2649 deleting or moving insns, update reg_equiv[regno].init_insns.
2651 2000-10-23 Mark Mitchell <mark@codesourcery.com>
2653 * c-tree.texi: Improve documentation for IF_STMTs and related
2654 conditional statements.
2656 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2658 * expr.c (do_preexpand_calls): Remove.
2659 (same_from_p): Don't use CALL_EXPR_RTL.
2660 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
2661 (preexpand_calls): Remove.
2662 * tree.c (first_rtl_op): Remove CALL_EXPR case.
2663 (unsave_expr_1): Likewise.
2664 * tree.def (CALL_EXPR): Give it only two slots.
2665 * tree.h (CALL_EXPR_RTL): Remove.
2667 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
2669 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
2670 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2673 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
2675 * calls.c (combine_pending_stack_adjustment_and_call): Don't
2676 adjust stack when unadjusted_alignment ends up as zero.
2678 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
2680 * fixinc/genfixes: Remove EGCS reference.
2681 * install.texi: Remove EGCS reference.
2682 * INSTALL: Regenerate.
2684 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2686 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
2688 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
2690 * diagnostic.c: Remove EGCS reference in comment.
2692 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2694 * loop.c (strength_reduce): Fix error in last change.
2696 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2698 * Makefile.in (SHLIB_NM_FLAGS): New.
2699 (libgcc.mk): Pass it.
2700 * mklibgcc.in (libgcc.map): Use it.
2702 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
2703 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
2705 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2707 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
2709 * sparc.c (load_pic_register): Delete unused varaible.
2711 * libgcc2.c (__addvsi3): Delete unused variable.
2713 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
2714 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
2715 __negvdi2): Prototype.
2717 * ssa.c (apply_delayed_renames): Avoid undefined operation.
2719 * toplev.c (display_target_options): Make static to match
2720 prototype. Delete empty declaration.
2722 2000-10-20 Tom Tromey <tromey@cygnus.com>
2724 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2725 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2727 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2729 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
2731 (expand_expr_unaligned, case ARRAY_REF): Check that index is
2732 a constant before comparing it; use tree_low_cst.
2733 * tree.c (save_expr): Set TREE_READONLY.
2734 (substitute_expr): Return inside of NON_LVALUE_EXPR.
2735 (build, build1): Set TREE_READONLY if all operands are.
2736 (build_index_type): If upper bound is a negative number, lower
2737 bound is zero and sizetype is unsigned, use upper bound of one and
2740 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2742 * gcc.c (process_command, main): Use "because" instead of
2743 "since" in error messages.
2745 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2747 * stor-layout.c (compute_record_mode): Use tree_low_cst.
2748 Don't use mode of field for record unless sizes are the same.
2749 (layout_type, case ARRAY_TYPE): Remove special bounds handling
2750 previously added for Ada; also change to using host_integerp
2753 * loop.c (strength_reduce): Show when new register made for
2754 giv is known to be a pointer and its aligment if so and known.
2755 (loop_dump_aux): Show VERBOSE parameter unused.
2757 * gcse.c (set_hash_table_size): Now unsigned.
2758 * sdbout.c (template_name_p): Add "const" to avoid warnings.
2759 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
2760 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
2761 (sdbout_end_epilogue): Remove variable NAME.
2762 * system.h (getopt): Add default definition.
2763 * config/alpha/alpha.c (print_operand): Don't continue processing
2764 after issuing error.
2765 (summarize_insn): Avoid use of UL in constant.
2767 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
2769 * fold-const.c (force_fit_type): Unsigned values can overflow
2770 if they are sizetype.
2771 (int_const_binop): Don't use cache if overflows.
2773 2000-10-20 Richard Henderson <rth@cygnus.com>
2775 * function.c (locate_and_pad_parm): Zero alignment_pad.
2777 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
2778 perform substitutions, and apply_change_group to see if it worked.
2780 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2782 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
2784 * combine.c (struct undo): Change int to unsigned int.
2785 (do_SUBST_INT): Args are unsigned int.
2786 (make_extraction, force_to_mode): Use proper type when forming mask.
2787 (make_field_assignment): Likewise.
2789 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
2791 * c-common.c (check_format_info_recurse): Extract string constant
2792 initializers from non-volatile constant arrays and check them as
2794 * c-typeck.c (decl_constant_value): Don't check pedantic or check
2795 for DECL_MODE (decl) != BLKmode.
2796 (decl_constant_value_for_broken_optimization): New function which
2797 includes these checks.
2798 (default_conversion, convert_for_assignment, digest_init): Use
2799 decl_constant_value_for_broken_optimization instead of
2800 decl_constant_value.
2802 2000-10-20 Mark Mitchell <mark@codesourcery.com>
2804 * tree.h (DECL_ALIGN_UNIT): New macro.
2806 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
2808 * config/avr/avr-protos.h (avr_output_bld): New.
2809 (out_shift_with_cnt): Add t_len argument.
2810 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
2811 (output_movqi, output_movhi, output_movsisf): Optimize loading
2812 any constant with exactly one bit set to NO_LD_REGS.
2813 (out_shift_with_cnt): Optimize output code for size or speed,
2814 depending on optimize_size. Handle small shift counts as well
2815 (if not hand-optimized in ?sh??i3_out). Shifts can be done
2816 with or without a scratch register, with help of __tmp_reg__
2817 or __zero_reg__ if necessary. Add T_LEN argument to pass the
2818 length of TEMPLATE in words, return total insn length in *LEN.
2819 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
2820 out_shift_with_cnt to work with the above change.
2821 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
2822 lshrsi3_out): Likewise. Optimize more known shift count cases.
2823 Remove cases already well optimized in out_shift_with_cnt.
2824 (avr_output_bld): New function.
2825 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
2826 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
2827 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
2828 Add reload_completed to insn condition - only for peepholes.
2829 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
2830 in a register or memory.
2831 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
2832 Do not require a scratch register.
2833 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
2834 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
2835 Optimize shifts by known count using a scratch register, but only
2836 if one is still available after register allocation.
2838 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2840 * t-vax: New file. Don't build modules from libgcc1.c.
2842 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
2844 * alias.c: (mark_constant_function): Don't check pure functions.
2845 Initialize and end alias analysis.
2846 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
2847 Don't make a special exception for recursion. Handle
2848 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
2849 unless it's volatile.
2851 * local-alloc.c (equivalence): New structure.
2852 (reg_equiv): Define.
2853 (contains_replace_regs): Remove array and use
2855 (memref_referenced_p): Likewise.
2856 (no_equiv): Likewise.
2857 (update_equiv_regs): Likewise.
2859 (equiv_init_varies_p,
2860 equiv_init_movable_p): New functions.
2861 (update_equiv_regs): Use them. Use rtx_varies_p
2862 instead of function_invariant_p. Process insns
2863 from end to beginning. Allow a REG_EQUIV insn
2864 within the same loop as a use to be moved, also
2865 allow it to be moved out of a loop. Update
2866 REG_DEAD notes when substituting into an insn.
2868 2000-10-19 Jim Wilson <wilson@cygnus.com>
2870 * c-decl.c (start_decl): Check for error_mark_node type before using
2872 (finish_decl): Likewise. Don't give an error if decl type is
2873 already error_mark_node.
2875 * haifa-sched.c (compute_trg_info): Add explanatory comments.
2876 New local update_blocks. Use update_blocks to remove duplicates
2877 when computing update blocks. Check for bblst_table overflow.
2878 (schedule_block): Add explanatory comment. Reduce bblst_size by
2880 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
2883 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2885 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
2887 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2889 * expmed.c: Minor corrections in comments.
2890 * invoke.texi: Added desciption for the new option -ftrapv.
2892 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2894 * libgcc2.c: Added the missing #endif.
2896 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2898 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
2900 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
2902 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
2903 Use smulv_optab for -ftrapv.
2904 (expand_mult_highpart): Use unsigned multiply.
2905 (expand_divmod): Special-case division by -1.
2906 For EXACT_DIV_EXPR, do right shift first, then the multiply.
2907 For complex divide, use abs with unsigned result.
2908 * expr.c (force_operand): Use unsigned multiply.
2909 (expand_expr): Use overflow-trapping optabs for signed types if
2911 If flag_trapv, don't generate a recursive call with EXPAND_SUM
2912 if the type is signed and the original call wasn't EXPAND_SUM or
2914 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
2915 (negv_optab, absv_optab): Declare.
2916 * flags.h (flag_trapv): Declare.
2917 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
2918 smulv_optab, sdivv_optab, negv_optab and absv_optab.
2919 (gen_insn): Interpret '$P' as requiring an integer mode,
2920 including partial integer modes.
2921 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
2922 (product_cheap_p): Use unsigned expand_mult.
2923 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
2924 (negv_optab, absv_optab): Define.
2925 (expand_binop): Use overflow-trapping optabs for signed types if
2927 Handle negv_optab libe neg_optab.
2928 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
2929 Use overflow-trapping optabs for signed result if flag_trapv.
2930 (expand_complex_abs): Use overflow-trapping optabs for signed types if
2932 Don't open-code complex absolute-value operation for flag_trapv.
2933 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
2934 sdivv_optab, negv_optab and absv_optab.
2935 * toplev.c (flag_trapv): Define.
2936 (lang_independent_options f_options): Include flag_trapv.
2937 * tree.h (TYPE_TRAP_SIGNED): Define.
2938 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
2939 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2941 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
2942 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
2944 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
2945 David V. Henkel-Wallace <gumby@cygnus.com>
2947 * config/i386/t-netware: Bring in from the Red Hat tree.
2948 * config/i386/netware.h: Likewise.
2949 * config/netware.h: Likewise.
2950 * config/rs6000/netware.h: Delete.
2951 * configure.in: Add i[34567]86-*-netware.
2952 * configure: Hand-edit to match configure.in change.
2954 2000-10-18 Mark Mitchell <mark@codesourcery.com>
2956 * c-common.h (flag_no_builtin): Declare.
2957 (flag_no_nonansi_builtin): Likewise.
2958 (c_common_nodes_and_builtins): Change prototype.
2959 * c-common.c (flag_no_builtin): New variable.
2960 (flag_no_nonansi_builtin): Likewise.
2961 (c_common_nodes_and_builtins): Remove parameters. Adjust
2963 * c-decl.c (flag_no_builtin): Remove.
2964 (flag_no_nonansi_builtin): Likewise.
2965 (init_decl_processing): Adjust call to
2966 c_common_nodes_and_builtins.
2968 2000-10-18 Marc Espie <espie@openbsd.org>
2970 * tm.texi (LIBGCC_SPEC): Synch with reality.
2972 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2974 * c-common.c (check_format_types): Check for writing through a
2975 NULL pointer argument.
2977 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
2979 * tm.texi (Exception Region Output): Document
2980 DWARF_CIE_DATA_ALIGNMENT.
2981 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
2983 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
2984 DWARF_CIE_DATA_ALIGNMENT.
2986 2000-10-18 Michael Hayes <mhayes@cygnus.com>
2988 * basic-block.h (struct loop): Delete fields pre_header_root
2989 and pre_header_trace and replace with pre_header_edges
2990 and num_pre_header_edges.
2991 * flow.c (flow_loop_dump): Dump pre_header_edges.
2992 (flow_loops_free): Free pre_header_edges.
2993 (flow_loop_pre_header_scan): Calculate pre_header_edges.
2995 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2997 * contrib.texi: Update references to steering committee members
2998 and Jeff Law's entry.
3000 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3002 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
3003 (maybe_read_dollar_number, check_format_info_main): Use them for
3004 pedantic warning messages.
3006 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3008 * c-common.c (check_format_info_main): Minor cleanup: move
3009 variables into inner scopes; initialize declarations where
3010 appropriate; don't hardcode "scanf" name on warning for zero
3013 2000-10-17 Mark Mitchell <mark@codesourcery.com>
3015 * c-common.c (back_end_hook): New variable.
3016 * c-common.h (back_end_hook): Declare it.
3017 * c-lang.c (finish_file): Use it.
3019 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
3022 2000-10-18 Jan Hubicka <jh@suse.cz>
3024 * i386.c (ix86_comparison_operator, put_condition_code,
3025 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
3026 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
3027 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
3028 * i386.md (adddi and negdi splitter): Use CCRCmode.
3029 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
3030 (subsi3_carry): add '*'
3031 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
3032 (cmp to add peep2): Use CCRCmode; swap operands.
3034 2000-10-18 Kazu Hirata <kazu@hxi.com>
3036 * h8300.c: Fix a comment typo.
3037 (round_frame_size): New.
3038 (compute_saved_regs): Likewise.
3041 (push_order): Remove.
3042 (pop_order): Likewise.
3043 (function_prologue): Rearrange code for readability.
3044 (function_epilogue): Likewise.
3046 * config/h8300/h8300.md: Remove an unnecessary sign_extend
3047 expander that is used when not optimizing. Output a tab after
3048 each assembly insns.
3050 * reorg.c: Fix formatting.
3052 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
3054 * reload1.c (move2add_note_store): Check for simple
3055 auto-inc in destination.
3057 2000-10-17 Michael Chastain <chastain@redhat.com>
3059 * config/i386/i386-aout.h: define INT_ASM_OP.
3061 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
3063 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
3065 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
3067 * i370.md: Fix spelling typo.
3069 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3071 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
3072 Fixes execute/20001017-1.c on powerpc-linux-gnu.
3074 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
3075 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
3078 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
3079 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
3081 * rs6000/aix.h: ...to here.
3082 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
3084 2000-10-17 Jakub Jelinek <jakub@redhat.com>
3086 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
3088 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
3089 sure linker can relax even the delay slot mov %g1,%o7, fix output
3092 2000-10-17 Kazu Hirata <kazu@hxi.com>
3094 * config/h8300/h8300.md: Remove an unnecessary zero_extend
3095 expander that is used when not optimizing. Output a tab after
3096 each assembly insns.
3098 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
3100 * gcc.c: New options --target-help.
3101 (process_command): Added code to parse this new option.
3102 * toplev.c (display_target_options): New function to support the
3104 * cppinit.c (new_pending_directive) : New option OPT_target__help.
3105 (cpp_handle_option): Support this new option.
3106 * invoke.texi: Added notes about --target-help option.
3108 2000-10-17 Graham Stott <grahams@redhat.com>
3110 * config/i386/i386.md (testqi_1): Add missing operand prefix
3112 * config/i386/i386-protos.h: Add missing prototype.
3114 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
3116 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
3117 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
3118 using -mintel-syntax.
3120 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3122 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
3123 (format_types): Use it for printf.
3124 (maybe_read_dollar_number): Add parameter for the kind of format
3125 involved. Warn for multiple use for arguments if this is
3126 inappropriate for the kind of format involved.
3127 (check_format_info_main): Update calls to maybe_read_dollar_number.
3129 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3131 * inclhack.def (hpux_maxint): Also apply fix to values.h.
3132 * fixincl.x: Rebuilt.
3134 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
3136 * genrecog.c (write_switch): Return the first condition that needs a
3139 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
3141 * c-tree.h (warn_sequence_point): Move declaration to...
3142 * c-common.h (warn_sequence_point): ... here.
3143 * c-decl.c (warn_sequence_point): Move definition to...
3144 * c-common.c (warn_sequence_point): ... here.
3145 (struct reverse_tree): New.
3146 (reverse_list, reverse_max_depth): New static variables.
3147 (build_reverse_tree, common_ancestor, modify_ok
3148 verify_sequence_points): New functions.
3149 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
3150 * c-typeck.c (check_modify_expr): Delete.
3151 (build_modify_expr): Don't call it.
3153 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3155 * c-common.h (warn_missing_format_attribute): New variable.
3156 * c-decl.c (warn_missing_format_attribute): New variable.
3157 (c_decode_option): Decode -Wmissing-format-attribute and
3158 -Wno-missing-format-attribute.
3159 * c-common.c (check_function_format): If
3160 -Wmissing-format-attribute, give a warning where a vprintf or
3161 vscanf function is called by a function without its own printf or
3163 * toplev.c (documented_lang_options): Add
3164 -Wmissing-format-attribute.
3165 * invoke.texi: Document -Wmissing-format-attribute.
3167 2000-10-17 Marc Espie <espie@openbsd.org>
3169 * invoke.texi (-shared): Insist on requiring code generation flags
3170 to be used along with -shared, and document the subtle failure that
3171 may occur otherwise.
3173 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3175 * pa.md (return_internal): Move `use' after `return'.
3177 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3179 * machmode.def: Correct comment.
3181 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
3183 * print-rtl.c (print_rtx_head): Constify.
3184 * rtl.h (print_rtx_head): Similarly.
3186 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
3187 Constify char * return value.
3189 (output_64bit_and, output_64bit_ior): Constify char * return value.
3190 (pa_can_combine_p): Make static.
3191 (function_arg): Decorate unused `named' argument. Fix comment typo.
3192 (function_arg_partial_nregs): Decorate unused `named' argument.
3194 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
3196 * c-common.c (format_check_results): New structure.
3197 (finish_dollar_format_checking): Adjust to take a
3198 format_check_results * parameter.
3199 (check_format_info, check_format_info_recurse,
3200 check_format_info_main): Split check_format_info into three
3201 functions, the main checking going in check_format_info_main.
3202 Recurse when any reduction of the format string argument towards a
3203 string literal is done; go down both branches of a conditional
3204 expression. Don't warn for extra format arguments or empty format
3205 strings if they only occur in some branches of a conditional
3208 2000-10-16 Kazu Hirata <kazu@hxi.com>
3210 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
3212 2000-10-16 Jakub Jelinek <jakub@redhat.com>
3214 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
3216 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
3218 * i386.md (*movsi_or): Switch operand order for intel syntax.
3220 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
3224 * gcc.texi (Contributing): Update.
3226 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
3228 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
3229 appropriate assembler dialect.
3231 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
3233 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
3235 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
3237 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
3238 constants 1 and 2 to NO_LD_REGS.
3240 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3242 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
3244 * objc/Make-lang.in (objc-parse.c): Likewise.
3246 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3248 * arm.c: Include obstack.h
3249 (minipool_obstack, minipool_startobj): Define.
3250 (arm_add_gc_roots): Initialize them.
3251 (create_fix_barrier): Use our new obstack.
3252 (push_minipool_barrier, push_minipool_fix): Likewise.
3253 (arm_reorg): Release obstack memory.
3255 2000-10-13 Jakub Jelinek <jakub@redhat.com>
3257 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
3258 (prologue, exception_receiver, builtin_setjmp_receiver): New
3260 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
3261 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3262 (load_pic_register): New prototype.
3263 * config/sparc/sparc.c (pic_setup_code): Remove.
3264 (finalize_pic): Rename to...
3265 (load_pic_register): ...this function.
3266 Don't look for nonlocal_goto_receivers and emit pic setup code
3267 directly. Don't check current_function_uses_pic_offset_table.
3269 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3271 * tree.h (struct obstack): Declare.
3273 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3276 * Makefile.in (ggc-callbacks.o): Remove target.
3277 (flow.o): Depend on GGC_H.
3278 * alias.c (init_alias_analysis):
3279 Remove ggc_p conditionals.
3280 (end_alias_analysis): Likewise.
3281 * basic-block.h (init_flow): New function.
3282 (allocate_reg_life_data): Declare.
3283 * bb-reorder.c (function_obstack): Replace with ...
3284 (flow_obstack): ... new variable.
3285 (fixup_reorder_chain): Use it.
3286 * c-decl.c (ggc_p): Remove.
3287 (caller-save.c): Don't call oballoc/obfree.
3289 undobuf): Remove storage.
3290 (try_combine): Don't call oballoc.
3291 (undo_all): Don't call obfree.
3292 * cse.c (insert): Use xmalloc, not
3294 (cse_main): Adjust accordingly.
3295 * dwarf2out.c (save_rtx): Remove
3297 (dwarf2out_init): Remove ggc_p conditionals.
3298 * emit-rtl.c (rtl_obstack): Remove.
3299 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
3300 (make_insn_raw): Likewise.
3301 (emit_insn_before): Likewise.
3302 (emit_insn_after): Likewise.
3303 (emit_insn): Likewise.
3304 (gen_sequence): Likewise.
3305 (copy_insn_1): Remove handling of `b' RTL components.
3306 (init_emit_once): Remove ggc_p conditionals.
3307 * except.c (create_rethrow_ref): Don't fool with obstacks.
3308 (add_partial_entry): Likewise.
3309 (call_get_eh_context): Likewise.
3310 (begin_protect_partials): Likewise.
3311 (protect_with_terminate): Likewise.
3313 (plus_constant_wide): Likewise.
3314 * expr.c (init_expr_once):
3316 (emit_block_move): Likewise.
3317 (clear_storage): Likewise.
3318 (expand_expr): Likewise.
3319 * flow.c (function_obstack): Remove.
3320 (flow_obstack): New variable.
3321 (flow_firstobj): Likewise.
3322 (create_base_block): Use the flow_obstack.
3323 (split_block): Likewise.
3324 (split_edge): Likewise.
3325 (calculate_global_regs_live): Likewise.
3326 (allocate_bb_life_data): Make it static. Likewiwse.
3327 (init_flow): New function.
3328 (size_int_type_wide): Remove ggc_p conditionals.
3330 (push_function_context_to): Don't call save_tree_status.
3331 (pop_function_context_from): Or restore_tree_status.
3332 (assign_stack_local_1): Don't call push_obstacks.
3333 (find_fixup_replacement): Use xmalloc.
3334 (fixup_var_refs_insns): Free the storage.
3335 (insns_for_mem_walk): Don't mess with obstacks.
3336 (instantiate_decls): Likewise.
3337 (trampoline_address): Likewise.
3338 (expand_function_end): Likewise.
3339 * function.h (sturct function):
3340 Remove obstack-related variables.
3341 (save_tree_status): Don't declare.
3342 (restore_tree_status): Likewise.
3343 * gcse.c (compute_can_copy):
3344 Don't call oballoc/obfree.
3345 * genattrtab.c (operate_exp): Remove
3347 (simplify_cond): Likewise.
3348 (simplify_test_exp): Don't mess with obstacks.
3349 (optimize_attrs): Likewise.
3350 * gengenrtl.c (gendef): Don't include
3352 * ggc-callbacks.c (ggc_p): Remove.
3353 * ggc-none.c (ggc_p): Remove.
3354 * ggc.h (ggc_p): Don't declare.
3355 * integrate.c (save_for_inline): Don't mess with obstacks.
3356 (integrate_decl_tree): Likewise.
3357 (output_inline_function): Likewise.
3359 (init_EXPR_INSN_LIST_cache): Likewise.
3360 * loop.c (temp_obstack):
3362 (rtl_obstack): Likewise.
3363 (init_loop): Don't mess with obstacks.
3364 (reg_address_cost): Free BIVs and GIVs.
3365 (check_insns_for_bivs): Use xmalloc, not oballoc.
3366 (find_mem_givs): Likewise.
3367 (record_biv): Likewise.
3368 (general_induction_var): Likewise.
3369 (product_cheap_p): Likewse.
3370 * optabs.c (init_one_libfunc): Remove
3372 * print-tree.c (debug_tree): Don't use
3374 (print_node): Likewise.
3375 * profile.c (output_func_start_profiler):
3376 Remove call to temporary_allocation.
3378 (eliminate_regs_in_insn): Don't mess with obstacks.
3380 (mark_target_live_regs): Use xmalloc.
3381 (free_resource_info): Free the memory.
3382 * rtl.c (rtl_obstack):
3384 (rtvec_alloc): Don't mess with obstacks.
3385 (rtx_alloc): Likewise.
3387 (copy_rtx): Don't handle `b' cases.
3388 (read_rtx): Use a local rtl_obstack.
3389 * rtl.h (oballoc): Remove.
3391 (pop_obstacks): Likewise.
3392 (push_obstacks): Likewise.
3393 (allocate_bb_life_data): Likewise.
3394 (allocate_reg_life_data): Likewise.
3395 (rtx_free): Likewise.
3396 * sdbout.c (sdbout_queue_anonymous_type):
3397 Use tree_cons, not saveable_tree_cons.
3399 (cselib_init): Don't mess with obstacks.
3401 (mark_block_nesting): Mark the label_chain.
3402 (epxand_label): Use ggc_alloc, not oballoc.
3403 (clear_last_expr): Don't mess with obstacks.
3404 (expand_decl_cleanup): Likewise.
3405 (expand_dcc_cleanup): Likewise.
3406 (expand_dhc_cleanup): Likewise.
3407 (expand_anon_union_decl): Likewise.
3408 (add_case_node): Use xmalloc, not oballoc.
3409 (free_case_nodes): New function.
3410 (expand_end_case): Call it.
3411 * stor-layout.c (layout_type): Don't
3413 (layout_type): Likewise.
3414 * toplev.c (wrapup_global_declarations):
3416 (compile_file): Remove ggc_p conditionals.
3417 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
3418 (decode_f_option): Remove ggc_p conditionals.
3420 (function_maybepermanent_obstack): Remove.
3421 (maybepermanent_obstack): Likewise.
3422 (function_obstack): Likewise.
3423 (tmeporary_obstack): Likewise.
3424 (momentary_obstack): Likewise.
3425 (temp_decl_obstack): Likewise.
3426 (saveable_obstack): Likewise.
3427 (rtl_obstack): Likewise.
3428 (current_obstack): Likewise.
3429 (expression_obstack): Likewise.
3430 (struct obstack_stack): Likewise.
3431 (obstack_stack): Likewise.
3432 (obstack_stack_obstack): Likewise.
3433 (maybepermanent_firstobj): Likewise.
3434 (temporary_firstobj): Likewise.
3435 (momentary_firstobj): Likewise.
3436 (temp_decl_firstobj): Likewise.
3437 (momentary_function_firstobj): Likewise.
3438 (all_types_permanent): Likewise.
3439 (struct momentary_level): Likewise.
3440 (momentary_stack): Likewise.
3441 (init_obstacks): Remove initialization of removed obstacks.
3442 (save_tree_status): Remove.
3443 (restore_tree_status): Likewise.
3444 (temporary_allocation): Liekwise.
3445 (end_temporary_allocation): Liekwise.
3446 (resume_temporary_allocation): Likewise.
3447 (saveable_allocation): Likewise.
3448 (push_obstacks): Likewise.
3449 (push_obstacks_nochange): Likewise.
3450 (pop_obstacks): Likewise.
3451 (allocation_temporary_p): Likewise.
3452 (permanent_allocation): Likewise.
3453 (preserve_data): Likewise.
3454 (preserve_initializer): Likewise.
3455 (rtl_in_current_obstack): Likewise.
3456 (rtl_in_saveable_obstack): Likewise.
3457 (oballoc): Likewise.
3459 (savealloc): Likewise.
3460 (expralloc): Likewise.
3461 (print_obstack_name): Likewise.
3462 (debug_obstack): Likewise.
3463 (object_permanent_p): Likewise.
3464 (push_momentary): Likewise.
3465 (perserve_momentary): Likewise.
3466 (clear_momentary): Likewise.
3467 (pop_momentary): Likewise.
3468 (pop_momentary_nofree): Likewise.
3469 (suspend_momentary): Likewise.
3470 (resume_momentary): Likewise.
3471 (make_node): Don't set TREE_PERMANENT.
3472 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
3473 Don't set TREE_PERMANENT.
3474 (get_identifier): Remove ggc_p conditionals.
3475 (build_string): Likewise.
3476 (make_tree_vec): Likewise.
3477 (build_decl_list): Remove.
3478 (build_expr_list): Likewise.
3479 (tree_cons): Remove ggc_p conditionals.
3480 (decl_tree_cons): Remove.
3481 (expr_tree_cons): Likewise.
3482 (perm_tree_cons): Likewise.
3483 (temp_tree_cons): Likewise.
3484 (saveable_tree_cons): Likewise.
3485 (build1): Remove ggc_p conditionals.
3486 (build_parse_node): Likewise.
3487 (build_type_attribute_variant): Don't mess with obstacks.
3488 (build_type_copy): Likewise.
3489 (type_hash_canon): Likewise.
3490 (build_pointer_type): Likewise.
3491 (build_reference_type): Likewise.
3492 (build_index_type): Likewise.
3493 (build_range_type): Likewise.
3494 (dump_tree_statistics): Don't print obstack information.
3496 (struct tree_common): Remove permanent_flag.
3497 (TREE_PERMANENT): Remove.
3498 (TREE_SET_PERMANENT): Likewise.
3499 (TYPE_OBSTACK): Likewise.
3500 (struct tree_type): Remove obstack.
3502 (savealloc): Likewise.
3503 (build_decl_list): Likewise.
3504 (build_expr_list): Likewise.
3505 (perm_tree_cons): Likewise.
3506 (temp_tree_cons): Likewise.
3507 (saveable_tree_cons): Likewise.
3508 (decl_tree_cons): Likewise.
3509 (expr_tree_cons): Likewise.
3510 (suspend_momentary): Likewise.
3511 (allocation_temporary_p): Likewise.
3512 (resume_momentary): Likewise.
3513 (push_obstacks_nochange): Likewise.
3514 (permanent_allocation): Likewise.
3515 (push_momentary): Likewise.
3516 (clear_momentary): Likewise.
3517 (pop_momentary): Likewise.
3518 (end_temporary_allocation): Likewise.
3519 (pop_obstacks): Likewise.
3520 (push_obstacks): Likewise.
3521 (pop_momentary_nofree): LIkewise.
3522 (preserve_momentary): Likewise.
3523 (saveable_allocation): Likewise.
3524 (temporary_allocation): Likewise.
3525 (resume_temporary_allocation): Likewise.
3526 (perserve_initializer): Likewise.
3527 (debug_obstack): Likewise.
3528 (rtl_in_current_obstack): Likewise.
3529 (rtl_in_saveable_obstack): Likewise.
3531 * varasm.c (current_obstack): Remove.
3532 (saveable_obstack): Remove.
3533 (rtl_obstack): Remove.
3534 (immed_double_const): Don't mess with obstacks.
3535 (immed_real_cons): Likewise.
3536 (output_constant_def): Likewise.
3537 (init_varasm_status): Use xcalloc.
3538 (mark_pool_constant): Mark the pool constant itself.
3539 (free_varasm_status): Free memory.
3540 (decode_rtx_const): Call bzero directly, rather than expanding it
3542 (record_rtx_const): Don't mess with obstacks.
3543 (force_const_mem): Likewise.
3544 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
3546 (aof_pic_entry): Likewise.
3547 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
3548 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
3549 * config/pa/pa.c (saveable_obstack): Remove.
3550 (rtl_obstack): Likewise.
3551 (current_obstack): Likewise.
3552 (output_call): Don't mess with obstacks.
3553 (hppa_encode_label): Remove ggc_p conditionals.
3554 * config/romp/romp.c (get_symref): Don't mess with obstacks.
3555 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
3556 (rs6000_encode_section_info): Likewise.
3557 * config/sh/sh.c (get_fpscr_rtx): Likewise.
3559 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
3561 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
3562 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
3563 (addsi3_carry): Canonicalize.
3564 (addqi_5): Remove '*'.
3565 (sbb pattern): Canonicalize.
3567 * i386.md (cmp to inc/add peep2): New.
3569 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
3571 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
3574 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3576 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
3577 * README.TRAD, TESTS.FLUNK: Remove.
3579 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3581 * c-common.c (decl_attributes): Don't allow strftime formats with
3582 first_arg_num nonzero.
3583 (check_format_info): Set wanted_type and wanted_type_name to zero
3584 before they are possibly assigned and used.
3586 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3588 * c-common.c (scanf_flag_specs): Add flags ' and I.
3589 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
3590 or the ^ and # flags together.
3591 (scan_char_table): Handle the ' and I flags.
3592 (format_types): Add ' and I flags for scanf.
3594 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3596 * c-common.c (print_char_table): Use the unpromoted type for
3597 lengths "h" and "hh" with conversions dioxXu.
3598 (check_format_types): Apply the default argument promotions where
3599 the wanted type is not a pointer target.
3601 2000-10-11 Michael Meeks <mmeeks@gnu.org>
3602 Joseph S. Myers <jsm28@cam.ac.uk>
3604 * c-typeck.c (check_modify_expr): New function.
3605 (build_modify_expr): Call it if warn_sequence_point.
3606 * c-decl.c (warn_sequence_point): New variable.
3607 (c_decode_option): Handle -Wsequence-point and
3608 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
3609 * c-tree.h (warn_sequence_point): Declare.
3610 * invoke.texi (-Wsequence-point): Document.
3611 * toplev.c (documented_lang_options): Add -Wsequence-point and
3612 -Wno-sequence-point.
3613 Original work by Michael Meeks, 16 Jun 1998.
3615 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3617 * tree.c (get_narrower): Don't look at precision of field if
3620 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
3622 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
3623 declaration for data with "progmem" attribute.
3625 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
3627 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
3628 Correct insn length if shift count is a memory operand.
3629 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
3630 (*iorhi3_clobber): Change lo8 to hi8.
3631 (zero_extendhisi2): Change %B0 to %A1.
3632 (ashlhi3, ashrhi3): Correct insn length.
3633 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
3634 from "clobber" to "set_n" in some alternatives.
3636 2000-10-10 Jakub Jelinek <jakub@redhat.com>
3638 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
3639 remove its insn_chain structure as well.
3641 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3643 * dbxout.c (dbxout_source_line): Remove extra tab.
3645 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
3647 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
3649 2000-10-09 Richard Henderson <rth@cygnus.com>
3651 * Makefile.in (LANG_LIB2FUNCS): Remove.
3652 (LIB2FUNCS): Remove _pure.
3653 (LIB2ADD): Remove LANG_LIB2FUNCS.
3654 (stage_a): Don't set LANG_LIB2FUNCS.
3655 * libgcc2.c (__terminate): Mark noreturn.
3656 (__pure_virtual): Remove.
3657 * mklibgcc.in: Remove LIB2ADD .txt processing.
3659 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3661 * arm.md (push_multi): Revert unintended change.
3663 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3665 * arm.c: Miscellaneous white space and comment clean-ups. No
3669 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3671 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
3672 STRING_CST by calling combine_strings.
3674 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3676 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
3677 (thumb_output_move_mem_multiple): Support new insn format.
3678 * arm.md (movmem12b): Use SSA compatible format.
3679 (movmem8b): Likewise.
3681 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3683 * arm.md (predicable): New attribute, default to "no".
3684 (all patterns): Mark as predicable if appropriate.
3685 (conditional execution splits): Split using predication format.
3686 (define_cond_exec): Define.
3687 * arm.c (arm_print_operand): handle insn predicate.
3689 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3691 * README.NS32K: Remove file.
3693 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3695 * README-bugs: Remove file.
3697 2000-10-08 Philipp Thomas <pthomas@suse.de>
3698 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
3700 * configure: Rebuilt.
3702 2000-10-08 Philipp Thomas <pthomas@suse.de>
3703 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
3704 disable catalog building if no suitable program was found.
3705 Move warning message from here
3706 (AM_GNU_GETTEXT): To here.
3707 * configure: Rebuilt.
3709 2000-10-08 Philipp Thomas <pthomas@suse.de>
3710 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
3711 different cache variables.
3712 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
3713 uses different cache variables.
3714 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
3715 * configure: Regenerated.
3717 2000-10-08 Richard Henderson <rth@cygnus.com>
3719 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
3720 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
3721 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
3724 * config/t-linux (SHLIB_EXT): New.
3725 (SHLIB_LINK): Use the entire build command, with substitutions.
3726 (SHLIB_LIBS): Remove.
3727 * config/alpha/t-osf4: Likewise.
3728 * config/mips/t-iris6: Likewise.
3729 * config/sparc/t-sol2: Likewise, but move shlib stuff...
3730 * config/sparc/t-slibgcc-sld: ...here.
3731 * config/sparc/t-slibgcc: New file.
3733 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3735 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
3736 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
3738 (intmax_type_node, uintmax_type_node): Define.
3739 * c-common.c (decl_attributes): If pedantic, warn if `mode'
3740 attributes create a type wider than intmax_t.
3741 (T_IM, T_UIM): Define properly.
3742 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
3744 (init_decl_processing): Initialize intmax_type_node and
3746 * c-lex.c (lex_number): When pedantic and warning for integer
3747 constants that are too large, in C99 mode warn for those that have
3748 a type wider than long long.
3750 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3752 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
3753 FMT_FLAG_FANCY_PERCENT_OK): Define.
3754 (format_char_info): Add flag "4" to comment.
3755 (format_flag_spec, format_flag_pair): New structures.
3756 (format_kind_info): Add additional fields to control format
3758 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
3759 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
3761 (time_char_table): Use "4" flag to handle %Ey.
3762 (format_types): Add entries for new fields.
3763 (get_flag_spec): New function.
3764 (check_format_info): Increase size of flag_chars[] to 256.
3765 Control format checking using the new fields of a format_kind_info
3766 and the new tables; remove all conditionals on printf_format_type,
3767 scanf_format_type or strftime_format_type. Handle all details of
3768 bad combinations of flags (including width, precision and strftime
3769 modifiers) through data rather than ad hoc code. Handle all
3770 details of standard versions in which flags appeared through
3771 data. Use the "4" flag.
3773 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
3775 * config/h8300/h8300.md: Remove the memory alternative and correct
3776 the insn lengths in the templates for sign extention and zero
3779 2000-10-07 Richard Henderson <rth@cygnus.com>
3781 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
3782 * flow.c (make_edges): Revert last change.
3784 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
3786 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
3788 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
3790 * config/alpha/elf.h: Standardize the formatting.
3792 2000-10-06 David O'Brien <obrien@FreeBSD.org>
3794 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
3797 2000-10-06 Richard Henderson <rth@cygnus.com>
3799 * function.c (diddle_return_value): Examine
3800 current_function_return_rtx instead of the DECL_RESULT.
3801 (expand_function_end): Handle reloading DECL_RESULT from memory
3802 into a hard register. Query promote_mode for sign of mismatched
3805 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3807 * haifa-sched.c (schedule_insns): Fix typo in freeing
3808 forward_dependency_cache.
3810 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3812 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
3813 `TARGET_SH2' as a condition.
3815 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3817 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
3818 forward_dependency_cache): New variables.
3819 (add_dependence, remove_dependence): Use anti_dependency_cache and
3820 output_dependency_cache.
3821 (compute_block_forward_dependences): Use forward_dependency_cache.
3822 (schedule_insns): Allocate and free memory for anti/output/forward
3823 dependencies caches.
3825 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3827 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
3828 `! TARGET_SH1'. Reindent.
3830 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3832 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
3833 Move functions from here ...
3835 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
3837 (c_expand_builtin): New function.
3838 (init_function_format_info): Don't set `check_function_format_ptr'.
3839 (c_common_nodes_and_builtins): Set built_in_class type for
3840 printf/__builtin_printf to BUILT_IN_FRONTEND.
3841 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
3843 * c-common.h (build_function_call): Declare.
3845 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
3846 to `lang_expand_expr' rather than `expand_builtin'.
3848 * tree.c (check_function_format_ptr): Delete.
3850 * tree.h (check_function_format_ptr): Likewise.
3852 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
3854 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
3855 DW_OP_bregx when cfa->reg > 31.
3857 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
3860 2000-10-05 Richard Henderson <rth@cygnus.com>
3862 * c-decl.c (warn_missing_noreturn): Remove.
3863 (c_expand_body): Don't set or check can_reach_end.
3864 * c-tree.h (warn_missing_noreturn): Move ...
3865 * flags.h: ... here.
3866 (can_reach_end): Remove.
3867 * flow.c (check_function_return_warnings): New.
3868 (make_edges): No edge to exit for noreturn sibcalls.
3869 * function.c (expand_function_end): Save the return value
3870 clobber instruction.
3871 (mark_function_status): Mark it.
3872 * function.h (struct function): Add x_clobber_return_insn.
3873 * jump.c (can_reach_end): Remove.
3874 (calculate_can_reach_end): Remove.
3875 (jump_optimize_1): Don't call it.
3876 * output.h (check_function_return_warnings): Declare.
3877 * toplev.c (warn_missing_noreturn): Move from c-decl.c
3878 (rest_of_compilation): Call check_function_return_warnings.
3880 2000-10-05 Richard Henderson <rth@cygnus.com>
3882 * Makefile.in (NM_FOR_TARGET): New.
3883 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
3884 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
3885 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
3886 shared library build on that and EXTRA_MULTILIB_PARTS.
3887 * mkmap-flat.awk: New file.
3888 * mkmap-symver.awk: New file.
3889 * libgcc-std.ver: New file.
3890 * config/libgcc-glibc.ver: New file.
3891 * config/ia64/libgcc-ia64.ver: New file.
3892 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3893 (SHLIB_LINK): Add --version-script.
3894 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
3895 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3896 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3897 (SHLIB_LINK): Add -M.
3899 2000-10-05 Richard Henderson <rth@cygnus.com>
3901 * Makefile.in (LIB2FUNCS): Add _clz.
3902 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
3903 (__clz_tab): Put in its own unit, non-static.
3904 * libgcc2.h: Always include longlong.h.
3906 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
3907 a zero instead of -1.
3908 (count_trailing_zeros): Likewise.
3910 2000-10-05 Richard Henderson <rth@cygnus.com>
3912 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
3913 when second op1 is const0_rtx. Validate op0 as a register.
3914 * config/alpha/alpha.md (setcc_internal): Don't allow constants
3915 in the first argument of the compare.
3916 (setcc_swapped_internal): Likewise.
3917 (setne_internal): Likewise.
3919 2000-10-05 Geoff Keating <geoffk@cygnus.com>
3921 * tree.c (tree_size): New function split out of copy_node.
3922 (make_node): Remove obstack handling. Use tree_size.
3923 (copy_node): Use tree_size.
3924 * tree.h: Prototype tree_size.
3926 2000-10-05 Richard Henderson <rth@cygnus.com>
3928 * diagnostic.c (output_format): Add missing break.
3930 2000-10-05 Jim Wilson <wilson@cygnus.com>
3932 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
3933 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
3934 sequence insn to INSN, and delete last sequence insn.
3936 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
3938 * gcc.c (main): Include generated configargs.h header
3939 and use arguments in '-v' output.
3941 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3943 * gcc.c: Move data on prefixes forward in file and reorganize.
3944 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
3945 Always define, but make null if no value.
3946 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
3947 and "md_startfile_prefix_1".
3948 (main): Check whether md_exec_prefix and the others are the
3949 null string rather than whether the macro is defined.
3951 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3953 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
3954 from PSImode to SImode.
3956 2000-10-05 Jakub Jelinek <jakub@redhat.com>
3958 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
3959 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
3960 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
3963 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3965 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
3966 negation in proper type.a
3968 2000-10-04 Richard Henderson <rth@cygnus.com>
3970 * configure.in (enable-shared): New.
3971 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
3972 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
3973 * mklibgcc.in: Use them to link shared a libgcc.
3974 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
3975 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
3976 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
3977 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
3979 * configure.in (alpha-osf*): Use t-osf and x-osf.
3980 * config/alpha/t-osf: New file.
3981 * config/alpha/t-osf4: New file.
3982 * config/alpha/x-osf: New file.
3983 * config/alpha/x-alpha: Remove file.
3985 2000-10-04 Will Cohen <wcohen@redhat.com>
3987 * c-typeck.c (process_init_element): Added warning for zero-length
3990 * extend.texi (Zero Length): State that static initializers for
3991 zero-length arrays are not allowed.
3993 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
3995 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
3998 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4000 * config/float-c4x.h: New.
4001 * configure.in (c4x-*): Set float_format to c4x.
4002 * configure: Regenerate.
4004 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4006 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
4007 compilation for solaris versions 2.7 and greater.
4009 2000-10-02 Marc Espie <espie@openbsd.org>
4011 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
4012 instead of redefining from scratch.
4014 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
4016 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
4018 2000-10-01 Mark Mitchell <mark@codesourcery.com>
4020 * config/ns32k/genix.h: Remove.
4021 * config/ns32k/x-genix: Likewise.
4022 * config/ns32k/xm-genix.h: Likewise.
4023 * config/fx80: Remove all filee in directory.
4024 * config/pyr: Likewise.
4025 * config/tahoe: Likewise.
4026 * config/gmicro: Likewise.
4027 * config/spur: Likewise.
4028 * configure.in: Remove configury bits for above targets.
4029 * configure: Regenerated.
4031 * configure.in: Don't configure chill by default.
4032 * configure: Regenerated.
4034 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
4035 (lang_mark_false_label_stack): Remove.
4036 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
4037 <top level> string in GC area.
4038 (mark_splay_tree_node): New function.
4039 (mark_splay_tree): Likewise.
4040 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
4042 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
4043 * ggc-common.c (lang_mark_false_label_stack): Change type.
4044 * ggc.h (ggc_alloc_string): Add comment.
4045 (ggc_strdup): New function.
4047 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
4049 * config/avr/avr.h (BRANCH_COST): Define as 0.
4051 * config/pdp11/pdp11.c: #include "tree.h" added.
4053 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
4055 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
4056 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
4057 with known shift count.
4058 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
4059 New alternative for shift count 2 with no scratch register.
4060 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
4061 "set_n" for shift counts 1 and 2.
4063 2000-09-30 Geoff Keating <geoffk@cygnus.com>
4065 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
4066 the mask value from the individual SET operations.
4067 (return_internal_si): Move the USE after the RETURN.
4068 (return_internal_di): Likewise.
4069 (return_and_restore_fpregs_si): Likewise.
4070 (return_and_restore_fpregs_di): Likewise.
4071 (return_eh_si): Likewise.
4072 (return_eh_di): Likewise.
4073 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
4075 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
4076 Don't generate a PARALLEL around a single operation movsi_to_cr.
4077 Generate the RETURN first in any PARALLELs.
4079 * rtlanal.c (single_set_1): Use fatal_insn to display the
4080 invalid insn. Check for more cases when a USE or CLOBBER occurs
4082 * Makefile.in: Update dependencies for rtlanal.o.
4084 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4086 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
4088 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4090 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
4091 Consistently use @email for formatting email addresses.
4093 2000-09-29 Richard Henderson <rth@cygnus.com>
4095 * cse.c (notreg_cost): New argument outer.
4096 (COST): Pass in SET to notreg_cost
4098 (fold_rtx): Use COST_IN. Prefer constants when costs
4101 2000-09-29 David Edelsohn <edelsohn@gnu.org>
4103 * fixinc/inclhack.def (broken_cabs): Generalize regex.
4104 * fixinc/fixincl.x: Regenerate.
4106 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4108 * loop.c (check_final_value): A GIV is not replaceable if used
4111 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
4113 * version.c: Bump to gcc-2.97.
4115 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
4117 * final.c (final_scan_insn): Remove extra extract_insn call;
4118 Use caching for constrain_operands.
4119 (cleanup_subreg_operands): Use caching for extract_insn.
4120 * recog.c (constrain_operands_cached): New.
4121 * recog.h (constrain_operands_cached): Declare.
4122 * i386.c (ix86_attr_length_immediate_default,
4123 ix86_attr_length_address_default, ix86_agi_dependant): Cache
4126 * recog.c (asm_noperands): Tweak.
4127 (extract_insn): Do not call asm_noperads for non-asm instructions.
4129 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4131 * recog.c (recog_memoized): Rename to recog_memoized_1.
4132 * recog.h (recog_memoized): Rename to recog_memoized_1.
4133 (recog_memoized): New macro.
4134 * rtl.h (single_set): Rename to single_set_1
4135 (single_set): New macro.
4136 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
4139 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
4140 Do not use match_dup of input operands at outputs.
4141 Use register_operand for memory expression.
4142 (rep_movsi): Put use last, canonicalize.
4143 Use register_operand for memory expression.
4144 (rep_movqi): Put use last.
4145 Use register_operand for memory expression.
4146 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
4147 of input operands at outputs. Use register_operand for memory
4149 (rep_stossi): Put use last; canonicalize; fix match_dup in
4150 the address expression
4151 (rep_stosqi): Likewise.
4152 (memcmp expander): Update calls.
4153 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
4156 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
4158 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
4160 2000-09-28 David O'Brien <obrien@FreeBSD.org>
4162 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
4163 Contains the old contents of config/i386/freebsd.h
4164 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
4165 Contains the old contents of config/i386/freebsd-elf.h
4166 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
4167 config/i386/freebsd.h.
4168 * configure.in: Adjust for above changes.
4169 * po/POTFILES.in: Likewise.
4170 * po/en_GB.po: Likewise.
4171 * po/gcc.pot: Likewise.
4172 * configure: Rebuilt.
4174 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4176 * doloop.c (doloop_modify): Prevent delete_insn() from
4177 deleting too much. Prefer loop->top over loop->start as
4178 target for the new JUMP insn.
4179 (doloop_valid_p): Ignore loop with exit_count != 0.
4181 2000-09-28 Philipp Thomas <pthomas@suse.de>
4183 * invoke.texi (i386 Options): Add athlon to table of possible
4186 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
4188 * diagnostic.h (output_clear_message_text): New function.
4189 (output_message_text): New macro.
4191 * diagnostic.c (clear_text_info): Rename to
4192 output_clear_message_text.
4193 (output_clear): Adjust.
4194 (output_finish): Rename to output_finalize_message. Tweek.
4195 (output_to_stream): Adjust.
4197 2000-09-28 Neil Booth <neilb@earthling.net>
4199 * cpperror.c (_cpp_begin_message): Do the test for suppression
4200 of warnings and pedantic warnings before the "is a warning an
4202 * cppinit.c (cpp_handle_option): Remove surplus \n.
4203 * cpplex.c (ON_REST_ARG): Delete.
4204 (skip_block_comment): Initialise prevc.
4205 (parse_args): Improve error messages.
4206 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
4208 * cpplib.c (cpp_push_buffer): Fix grammar in message.
4209 * cppmain.c (main): Set callbacks for #ident and #pragma
4210 only if no_output option is false.
4211 (do_pragma_implementation): Only call the #pragma handler
4212 if it is set in the cpp_reader structure.
4214 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
4216 * integrate.c (copy_insn_list): if an ignored return value
4217 is being clobbered, skip cloning that into the inline copy.
4219 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
4221 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
4222 use @uref for formatting URLs.
4224 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
4226 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
4229 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
4231 * gcc.c (cpp_options): Add spec for -ftabstop=.
4232 (invoke_as): New spec that handles invoking as.
4233 Update specs to handle -save-temps and -traditional.
4234 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
4236 * cp/lang-specs.h, objc/lang-specs.h: Update to use
4237 invoke_as, and handle -save-temps and -traditional (if
4240 2000-09-26 Jakub Jelinek <jakub@redhat.com>
4242 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
4244 (function_arg_slotno): Accept TImode/CTImode.
4245 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
4248 2000-09-26 Michael Hayes <mhayes@cygnus.com>
4250 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
4253 2000-09-25 Jim Wilson <wilson@cygnus.com>
4255 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
4256 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
4257 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
4258 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
4260 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4262 * cpplex.c (parse_args): Don't set VOID_REST flag.
4263 (CONTEXT_VARARGS): New flag.
4264 (maybe_paste_with_next): Set context earlier in loop. Use
4265 it. Do varargs test with CONTEXT_VARARGS flag.
4266 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4267 pushing an argument context for a varargs argument.
4268 * cpplib.h (VOID_REST): Delete.
4269 * gcc.dg/cpp/vararg1.c: Add test case.
4271 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4273 * flags.h: Declare warning flag warn_system_headers.
4274 * toplev.c: Define it.
4275 (W_options): Add option -Wsystem-headers.
4276 * diagnostic.c (count_error): Test warn_system_headers.
4277 * invoke.texi: Add description for -Wsystem-headers.
4278 * cpplib.h (cpp_options): New member warn_system_headers.
4279 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4280 CPP_IN_SYSTEM_HEADER.
4281 * cpplib.c (do_import, do_pragma_once): Likewise.
4282 * cpperror.c (_cpp_begin_message): Test warn_system_headers
4283 and CPP_IN_SYSTEM_HEADER.
4284 * cppinit.c (handle_option): Recognize -Wsystem_headers.
4285 (print_help): Describe -Wsystem_headers.
4286 * cpplex.c (lex_line): Reorganize condition so that warnings
4287 about C++ comments in system headers can be enabled. Remove
4288 label do_line_comment.
4290 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
4292 * cpplex.c (save_comment): Only store the initial '/'
4294 (lex_token): Combine handling of the two comment types.
4295 Pass everything but the initial '/' to save_comment.
4297 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
4299 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
4300 _cpp_can_paste): New library-internal prototypes.
4301 * cpplex.c (dump_param_spelling, output_line_command,
4302 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
4303 cpp_printf, cpp_output_list): Move to cppoutput.c.
4304 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
4305 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
4307 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
4308 dump_param_spelling, output_line_command, cpp_scan_buffer,
4309 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
4311 * Makefile.in: Add cppoutput.c.
4312 * po/POTFILES.in: Add cppoutput.c.
4314 2000-09-25 Richard Henderson <rth@cygnus.com>
4316 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
4317 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
4318 split until after reload.
4319 (rotlsi3, rotldi3): New.
4321 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
4323 * diagnostic.c (output_last_position): Define.
4324 (set_real_maximum_length): Tweek.
4325 * diagnostic.h (output_last_position): Declare.
4327 2000-09-25 Kazu Hirata <kazu@hxi.com>
4329 * config/i386/i386.c: Fix formatting.
4331 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
4333 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
4334 UNITS_PER_WORD is small.
4336 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
4338 * c-common.c (format_char_info): Add flags2; update comments.
4339 (print_char_table, scan_char_table, time_char_table): Split some
4340 flags out into flags2.
4341 (check_format_info): Use flags2 for those flags, for identifying
4342 the initial character of a scanf scanset, and for identifying
4343 printf formats where the '0' flag is ignored with precision.
4345 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
4347 Changes below marked "here" add TABs on either or both sides,
4348 covering start of line, up to any operand for all noted .*ASM.*_OP
4349 definitions. All callers changed.
4350 * tm.texi: Make documented *_ASM.*_OP:s include spacing
4351 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
4352 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4353 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4354 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
4355 Fix typos in description for LONG_LONG_TYPE_SIZE and
4356 FINI_SECTION_ASM_OP.
4357 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
4358 why these defaults don't have leading spacing.
4359 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
4360 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4361 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
4362 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
4363 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
4364 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
4365 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
4366 * varasm.c (ASM_STABS_OP): Here.
4367 * xcoffout.h (ASM_STABS_OP): Here.
4368 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4369 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4370 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
4371 STRING_ASM_OP): Here.
4372 * config/freebsd.h (IDENT_ASM_OP): Here.
4373 * config/linux-aout.h (SET_ASM_OP): Here.
4374 * config/linux.h (SET_ASM_OP): Here.
4375 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4377 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4378 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
4379 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4380 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4382 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4383 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4384 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
4385 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4386 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
4387 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4388 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
4389 * config/a29k/udi.h (INT_ASM_OP): Here.
4390 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
4391 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4393 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
4394 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4395 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4396 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
4397 ASM_STABD_OP): Here.
4398 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
4399 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
4400 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4401 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
4402 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
4403 SIZE_ASM_OP, STRING_ASM_OP): Here.
4404 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
4405 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
4406 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
4407 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
4408 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
4409 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
4411 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4412 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
4413 * config/arm/coff.h (INT_ASM_OP): Here.
4414 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4415 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
4416 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
4417 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
4418 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4419 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4420 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
4421 STRING_ASM_OP): Here. Update documentation copy in comments.
4422 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
4423 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
4424 DATA_SECTION_ASM_OP): Here.
4425 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
4427 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
4428 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4429 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4430 BSS_SECTION_ASM_OP): Here.
4431 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4432 BSS_SECTION_ASM_OP): Here.
4433 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4435 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
4436 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4437 * config/h8300/h8300.h (ASM_WORD_OP): Here.
4438 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4439 BSS_SECTION_ASM_OP): Here.
4440 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
4441 * config/i386/bsd.h (ASM_BYTE_OP): Here.
4442 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
4443 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
4444 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
4446 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
4447 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
4449 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
4450 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4451 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
4452 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4454 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
4455 * config/i386/netbsd.h (INT_ASM_OP): Here.
4456 * config/i386/openbsd.h (INT_ASM_OP): Here.
4457 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
4458 IDENT_ASM_OP): Here.
4459 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
4460 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
4461 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
4462 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
4463 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
4464 SHARED_BSS_SECTION_ASM_OP): Here.
4465 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
4466 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4467 DATA_SECTION_ASM_OP): Here.
4468 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4469 CONST_SECTION_ASM_OP): Here.
4470 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
4471 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4472 BSS_SECTION_ASM_OP): Here.
4473 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
4474 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
4475 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
4476 BSS_ASM_OP): Here, but use trailing spaces.
4477 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4478 DATA_SECTION_ASM_OP): Here.
4479 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
4481 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
4482 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
4483 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4484 TDESC_SECTION_ASM_OP): Here.
4485 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
4486 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4487 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4489 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4490 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4491 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4492 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4493 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
4494 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
4495 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4496 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
4497 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
4498 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
4499 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4500 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4502 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4503 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4504 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
4505 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
4506 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
4507 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
4508 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
4509 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4510 GLOBAL_ASM_OP): Here.
4511 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
4512 BSS_SECTION_ASM_OP): Here.
4513 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
4514 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4515 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
4516 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
4518 * config/m68k/newsgas.h (SET_ASM_OP): Here.
4519 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
4520 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4521 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4522 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4523 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
4524 but use trailing spaces.
4525 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
4526 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
4527 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
4529 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4530 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4531 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4532 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4533 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4534 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
4535 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
4536 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
4537 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
4538 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
4539 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4540 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
4542 * config/m88k/openbsd.h (SET_ASM_OP): Here.
4543 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4544 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4545 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
4546 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
4547 DTORS_SECTION_ASM_OP): Here.
4548 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
4549 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4550 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
4551 BSS_SECTION_ASM_OP): Here.
4552 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
4553 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
4554 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
4555 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
4556 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
4557 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4558 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
4559 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
4561 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
4563 * config/mips/osfrose.h (SET_ASM_OP): Here.
4564 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
4565 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
4566 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
4567 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4569 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
4570 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
4571 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
4572 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
4573 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
4574 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4576 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4578 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
4579 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
4580 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
4582 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
4583 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
4584 * config/sparc/linux.h (COMMON_ASM_OP): Here.
4585 * config/sparc/linux64.h (COMMON_ASM_OP,
4586 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4587 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
4588 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4589 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
4590 * config/sparc/pbd.h (ASM_INT_OP): Here.
4591 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
4592 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4593 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
4594 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
4595 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
4596 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
4597 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
4598 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
4599 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
4600 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4601 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4602 EH_FRAME_SECTION_ASM_OP): Here.
4603 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
4604 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4606 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4608 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
4609 TCOMMON_ASM_OP): Here.
4610 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4612 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4615 2000-09-25 Richard Henderson <rth@cygnus.com>
4617 * expmed.c (store_bit_field): Adjust last change to not consider
4618 any word-sized field naturally aligned.
4620 2000-09-24 Richard Henderson <rth@cygnus.com>
4622 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
4623 TFmode unordered compares properly. Revalidate integer compare
4625 (alpha_emit_setcc): New.
4626 (alpha_emit_conditional_move): Revalidate integer compare operands.
4627 * config/alpha/alpha-protos.h: Update.
4628 * config/alpha/alpha.md (cmpdi): Allow general operands.
4629 (sne): Use alpha_emit_setcc.
4630 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
4631 (sunordered, sordered): New.
4633 2000-09-24 Richard Henderson <rth@cygnus.com>
4635 * config/ia64/ia64-protos.h: Update.
4636 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
4637 (ia64_expand_call): New.
4638 (ia64_expand_prologue): Emit an alloc if we need extra input
4640 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
4641 instruction if true.
4642 (struct reg_flags): Add is_sibcall.
4643 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
4644 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
4645 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
4646 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4647 * config/ia64/ia64.md (call): Use ia64_expand_call.
4648 (call_value): Likewise.
4649 (sibcall, sibcall_value): New.
4650 (call patterns): Remove extra expanders; tidy.
4651 (sibcall_epilogue): New.
4652 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
4654 2000-09-24 Richard Henderson <rth@cygnus.com>
4656 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
4658 * sibcall.c (skip_pic_restore): New.
4659 (identify_call_return_value): Use it.
4661 2000-09-24 Mark Mitchell <mark@codesourcery.com>
4663 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
4664 functions. Generalize to handle both C and C++.
4665 * Makefile.in (c-tree.info): New target.
4666 (info): Add c-tree.info.
4668 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4670 * expr.c (store_field): If BITSIZE is negative, use size of type.
4671 (expand_expr, case COMPONENT_EXPR): Likewise.
4673 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
4675 * cpplex.c: Update TODO comment.
4676 * cpplib.c (do_error, do_warning): Merge common code of
4677 do_error and do_warning into do_diagnostic. Use it.
4678 (do_diagnostic): New function.
4679 * cpplib.h: Fix comment typo.
4681 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4683 * c-common.c (check_format_info): Warn for a wide character string
4684 used as a non-wide format argument.
4686 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4688 * builtins.def (BUILT_IN_LLABS): Add.
4689 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
4690 * c-common.c (c_common_nodes_builtins): Create builtin functions
4691 __builtin_llabs, and plain llabs unless no_nonansi_builtins
4692 outside of C99 mode.
4693 (expand_tree_builtin): Handle BUILT_IN_LLABS.
4695 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
4697 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
4698 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
4699 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
4700 _cpp_free_toklist): No need to worry about extra dummy token
4701 at the start of token lists any more.
4702 (trigraph_ok): Only warn outside comments.
4703 (skip_block_comment): Set and clear lexing_comment.
4704 (skip_line_comment): Take a cpp_reader not cpp_buffer.
4705 Set and clear lexing_comment.
4706 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
4707 (check_long_token): Delete.
4708 (lex_percent, lex_dot): New subroutines of lex_token to
4709 handle lexing of '.' and '%' without lookback.
4710 (lex_token): Use lex_dot and lex_percent.
4711 (lex_line): Don't check for LIST_OFFSET.
4712 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
4713 * cpplib.c (_cpp_parse_assertion): Similarly.
4714 (cpp_push_buffer): Initialize extra_char.
4715 * cpplib.h (LIST_OFFSET): Delete.
4716 (struct cpp_buffer): New member extra_char.
4717 (struct lexer_state): New members lexing_comment and seen_dot.
4719 2000-09-23 Jason Merrill <jason@redhat.com>
4721 * config/rs6000/x-aix41 (CLIB): Define here.
4722 * config/rs6000/t-aix43: Not here.
4723 * config/rs6000/t-aix41: Or here. Remove.
4724 * configure.in: Don't use it.
4726 2000-09-22 Jason Merrill <jason@redhat.com>
4728 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
4729 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
4730 * config.in: Regenerate.
4732 * configure.in: Fix checks for assembler features when using a
4733 one-tree assembler that has not yet been built.
4734 Fix --disable-threads.
4736 2000-09-19 Geoff Keating <geoffk@cygnus.com>
4738 * stmt.c (expand_asm_operands): Allow # in constraints.
4740 2000-09-22 Jason Merrill <jason@redhat.com>
4742 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
4744 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
4745 function-local names.
4747 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
4748 Mark Mitchell <mark@codesourcery.com>
4750 * toplev.c (warn_disabled_optimization): Declare new warning flag.
4751 * flags.h (warn_disabled_optimization): Add it here.
4752 * gcse.c (gcse_main): Add warning when disabled.
4753 * invoke.texi: Document -Wdisabled-optimization.
4755 2000-09-21 Jason Merrill <jason@redhat.com>
4757 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
4759 * dwarf2out.c (tree_add_const_value_attribute): New fn.
4760 (gen_variable_die): Call it for non-definitions.
4762 * dwarf2out.c (die_struct): Add die_mark field.
4763 (mark_dies, unmark_dies): New fns.
4764 (clear_die_sizes): Remove.
4765 (print_die): Check die_symbol rather than die_offset.
4766 (build_abbrev_table, output_pubnames, output_aranges): Check
4767 die_mark rather than die_offset.
4768 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
4771 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
4773 * cppfiles.c (lookup_include_file): Rename to open_file.
4774 Always create a splay tree value, even on syscall failures.
4775 Negative entries indicated by fd == -2.
4776 Re-open files closed in the meantime.
4777 (_cpp_fake_include): Create a negative splay tree entry.
4778 (find_include_file, cpp_read_file): Update for function name
4780 * gcc.gd/cpp/mi4.c: Testcase.
4782 2000-09-21 Nick Clifton <nickc@redhat.com>
4784 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
4785 ARM and THUMB modes.
4787 * config/mcore/mcore.c: Fix compile time warnings.
4788 * config/mcore/mcore-protos.h: Fix compile time warnings.
4790 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4792 * configure.in: Correct test of gcc_cv_glibc.
4793 * configure: Rebuilt.
4794 * config.in: Rebuilt.
4796 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4798 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
4799 (expand_builtin): Handle BUILT_IN_FWRITE.
4801 * builtins.def (BUILT_IN_FWRITE): New entry.
4803 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
4805 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4807 * gcc.c (modify_target): New variable and struct.
4808 (process_command): Handle MODIFY_TARGET_NAME.
4809 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
4810 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
4812 * c-decl.c (finish_decl): Add else's to avoid referencing
4813 TYPE_DOMAIN of an ERROR_MARK.
4815 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
4817 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
4820 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
4822 * config/avr/avr.md (neghi2): Add alternative for input and output
4823 operands in different registers, as in negsi2.
4824 (*negsi2): Remove '*' from the name. Use "movw" if available.
4826 2000-09-19 Jim Wilson <wilson@cygnus.com>
4828 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
4829 HAVE_GAS_HIDDEN macro.
4831 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
4833 * cpplex.c (lex_line): Drop the EOF token for unknown
4834 directives in assembler.
4836 2000-09-19 David Edelsohn <edelsohn@gnu.org>
4838 * configure.in: Allow enable_threads_flag value of "aix". Define
4839 thread_file as "aix" for AIX 4.3 and above.
4840 * configure: Regenerated.
4842 * gthr-aix.h: New file.
4844 * rs6000/t-aix43: Replace soft-float multilib with pthread.
4845 Remove 403 processor multilib match. Fix rios2 processor multilib
4848 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
4849 to return to appropriate csect.
4851 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4853 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
4855 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
4856 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
4859 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
4862 * c-common.c (init_function_format_info): Handle __builtin_printf.
4863 Set `check_function_format_ptr'.
4864 (c_common_nodes_and_builtins): Set `puts_ftype' and
4865 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
4866 __builtin_printf and printf.
4868 * tree.c, tree.h (check_function_format_ptr): Declare.
4870 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
4872 * cppfiles.c (read_include_file): Take no special action for
4875 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
4877 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
4878 rather than that of branch.
4879 (shorten_branches): Don't increment insn_current_address twice.
4881 Undo most of the Wed Jan 27 23:39:53 1999 patch:
4882 * loop.h (struct induction): Delete members derived, ix and last_use.
4883 (struct loop_ivs): Delete members first_increment_giv and
4885 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
4886 recombine_givs): Delete functions.
4887 (find_and_verify_loops): Don't initialize cont_dominator.
4888 (strength_reduce): Lose code to try to find bivs that can be
4889 expressed as givs of another biv, and to convert biv increments
4891 Lose loop_scan_start variable, always use loop->scan_start.
4892 Don't call recombine_givs. Don't handle derived givs.
4893 (record_giv): Don't initialize derived and last_use fields.
4894 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
4896 * unroll.c (derived_regs): Delete static variable.
4897 (unroll_loop): Don't initialize it.
4898 (copy_loop_body): Lose code to handle derived givs.
4899 (find_splittable_givs): Don't check for givs made from biv
4901 Don't set derived_regs.
4903 Fix misapplied earlier patch:
4904 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
4906 (floatsisf2): Generate floatsisf_ie by default.
4907 (floatsisf_i4): Conditional on TARGET_SH4.
4909 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
4910 predicate for the expanders.
4912 2000-09-19 Richard Henderson <rth@cygnus.com>
4914 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
4915 in addition to pentium and pentiumpro symbols.
4916 (CPP_CPU_DEFAULT_SPEC): Likewise.
4918 * c-typeck.c (c_expand_asm_operands): Restore the output tree
4921 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
4922 if the tree has side effects.
4923 (warn_if_unused_value): Do not warn about void constructs.
4925 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
4927 * unroll.c (copy_loop_body): Update LABEL_NUSES before
4928 calling invert_jump.
4930 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4932 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
4935 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4937 * Makefile.in (c-common.o): Depend on diagnostic.h.
4939 * c-common.c: Include diagnostic.h.
4941 (status_warning): New function.
4942 (check_format_info, maybe_read_dollar_number, check_format_types,
4943 finish_dollar_format_checking, check_function_format): Accept a
4944 `status' parameter. All callers changed.
4946 * c-common.h (check_function_format): Accept a `status' parameter.
4948 * c-typeck.c: Update call to `check_function_format'.
4950 2000-09-18 Richard Henderson <rth@cygnus.com>
4952 * c-decl.c (c_expand_body): Call mark_varargs before
4953 expand_function_start.
4955 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4957 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
4958 * config/rs6000/eabi-ci.asm: Likewise.
4960 2000-09-18 Richard Henderson <rth@cygnus.com>
4962 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
4965 2000-09-18 Jim Wilson <wilson@cygnus.com>
4967 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
4968 before passing it to fold_rtx_mult_add.
4970 * unroll.c (final_giv_value): Pass increment through
4971 extend_value_for_giv before passing it to emit_iv_add_mult.
4973 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
4974 paradoxical subreg, then directly substitute the replacement and
4977 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
4979 * cpp.texi: Update documentation, including some clarifications,
4980 the treatment of various newline combinations, and space between
4981 backslash and newline.
4983 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4985 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
4986 Replace ASM_OUTPUT_LABELREF with assemble_name.
4988 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4990 * sh.c (addsubcosts): CONST is not cheap.
4991 (find_barrier): For Sh1, take alignment after jumps into account.
4993 2000-09-15 Andrew Haley <aph@redhat.com>
4995 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
4996 remove all SETs of SUBREGs of hard registers.
4997 * function.c (purge_hard_subreg_sets): New function.
4998 (purge_single_hard_subreg_set): New function.
4999 * rtl.h: (purge_hard_subreg_sets): New function.
5001 2000-09-18 Richard Henderson <rth@cygnus.com>
5003 * config/ia64/ia64-protos.h: Update.
5004 * config/ia64/ia64.c (signed_inequality_operator): New.
5005 (ia64_expand_compare): New.
5006 (ia64_register_move_cost): Handle PR_REGS moves.
5007 (ia64_secondary_reload_class): Require a GR when moving to a PR.
5008 (struct reg_write_state): Add written_by_and/or.
5009 (struct reg_flags): Add is_and/or.
5010 (rws_update): Set them.
5011 (rws_access_regno): Test them to allow parallel comparisons.
5012 (rtx_needs_barrier): Recognize parallel comparisons.
5013 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
5014 Call recog_memoized; ignore pred_rel_mutex.
5015 (emit_predicate_relation_info): Don't call find_basic_blocks here.
5016 (ia64_reorg): Do it here instead.
5017 * config/ia64/ia64.h: s/CCmode/BImode/g
5018 (MODES_TIEABLE_P): Don't tie BImode.
5019 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
5020 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
5021 (RTX_COSTS): Make multiply 4 insns.
5022 (MEMORY_MOVE_COST): New.
5023 (PREDICATE_CODES): Update.
5024 * config/ia64/ia64.md: s/CCmode/BImode/g
5025 (movcci, movbi): New.
5026 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
5027 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
5028 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
5029 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
5030 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
5031 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
5032 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
5033 (mulsi, muldi): Use xmpy not xma.
5035 (movcc, movcc_internal): Remove.
5036 (branch expanders): Use ia64_expand_compare.
5037 (setcc expanders): Likewise.
5038 (cmov insns): Use move_operand and ia64_move_ok.
5039 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
5040 scheduler from moving it past a use.
5041 * config/ia64/build.hacks: Remove.
5043 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
5045 * cpphash.h (HASHSTEP): Take character rather than pointer
5047 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
5049 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
5051 * cpplex.c (auto_expand_name_space, trigraph_replace,
5052 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
5053 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
5054 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
5055 KNOWN_DIRECTIVE): Delete.
5057 (handle_newline, check_long_token, skip_escaped_newlines,
5058 unterminated): New functions.
5059 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
5061 (parse_identifier): Was parse_name, new implementation.
5062 (skip_line_comment, skip_block_comment, skip_whitespace,
5063 parse_number, parse_string, trigraph_ok, save_comment,
5064 adjust_column, _cpp_get_line): New implementations.
5066 (lex_token): New function. Lexes a token at a time, looking
5067 forwards. Contains most of the guts of the old lex_line.
5068 (lex_line): New implementation, using lex_token to obtain
5070 (cpp_scan_buffer): Use the token's line, not the list's line.
5072 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
5073 New implementations.
5074 (do_assert): Don't bother setting the answer's list's line.
5075 (cpp_push_buffer): Initialise new pfile and read_ahead members
5076 of struct cpp_buffer.
5078 * cpplib.h (cppchar_t): New typedef.
5079 (struct cpp_buffer): read_ahead, pfile and col_adjust are
5081 (struct lexer_state): New structure that determines the state
5082 and behaviour of the lexer.
5083 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
5084 (struct cpp_reader): New member "state". Rename
5085 multiline_string_line and multiline_string_column. Delete
5086 col_adjust, in_lex_line members.
5087 (CPP_BUF_COLUMN): Update.
5089 2000-09-18 Richard Henderson <rth@cygnus.com>
5091 * combine.c (simplify_comparison): Shift a NOT out of a single
5094 * combine.c (if_then_else_cond): Canonicalize BImode true to
5096 * explow.c (trunc_int_for_mode): Likewise.
5098 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
5099 the NOT for De Morgan's rule.
5100 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
5101 of a comparison to the reverse comparison.
5103 * combine.c (try_combine): Allow split to create a single insn.
5105 * machmode.def: Add BImode. Add a column for bitsize.
5106 * machmode.h (DEF_MACHMODE): Adjust for extra column.
5107 (GET_MODE_BITSIZE): Use it.
5108 * rtl.c (DEF_MACHMODE): Adjust for extra column.
5109 (mode_bitsize): New.
5110 (mode_mask_array): Use bitsize.
5111 * combine.c (combine_simplify_rtx): Require inner and outer
5112 modes to match on nonzero_bits optimizations.
5114 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5116 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
5117 its entry in spill_reg_store.
5118 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
5119 * sh.c (reg_no_subreg_operand): New function.
5120 * sh-protos.h (reg_no_subreg_operand): Declare it.
5121 * sh.h (PREDICATE_CODES): Add it.
5122 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
5123 input operand that needs to be in fpul.
5124 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
5125 * sh.c (find_barrier): Take into account that machine_dependent_reorg
5126 might add new insns.
5128 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
5130 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
5132 (sh_expand_epilogue): Take the PIC register into account when
5133 computing the frame size.
5135 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
5136 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
5137 LABEL_REFs with a PIC-safe unspec.
5139 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5141 * c-common.c (check_format_info): Properly save the argument
5142 number and parameter for $ operand number formats in case width
5143 and precision arguments are also used. Allow printf width and
5144 precision arguments to have operand numbers even if none was
5145 specified for the main format, since this is OK for %*.*m. Only
5146 object to missing $ operand number if the format used requires an
5149 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5151 * c-common.c (format_char_info): Add 'W' flag to comment.
5152 (print_char_table, scan_char_table): Use it.
5153 (check_format_info): Use the 'W' flag to determine whether a
5154 format argument is written into.
5156 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5158 * c-common.c (check_format_types): Reorganise and clean up,
5159 checking earlier for ERROR_MARKs and making cur_type into its
5160 TYPE_MAIN_VARIANT where convenient.
5162 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5164 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
5166 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5168 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
5170 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
5171 * i386.c (struct builtin_description): New.
5172 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
5173 (mmx_reg_operand): Declare MODE arg as unused.
5174 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
5175 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
5176 ix86_expand_binop_builtin, ix86_expand_store_builtin,
5177 ix86_init_builtins, ix86_expand_builtin): New functions.
5178 * i386.h (ix86_builtins): New enumeration.
5179 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
5180 * i386.md (attr length_immediate): 0 for mmx/sse types.
5181 (attr prefix_0f): 1 for mmx/sse types.
5182 (setcc_2): Remove "*" so we get gen_setcc_2.
5183 (emms): Account for changed register numbering. Set "memory" attr
5185 (sfence): Set "memory" attr to unknown.
5187 2000-09-18 Andreas Jaeger <aj@suse.de>
5189 * configure.in: Define _GNU_SOURCE only when using the GNU C
5191 * configure: Regenerated.
5192 * config.in: Regenerated.
5194 2000-09-17 Mark Mitchell <mark@codesourcery.com>
5196 * cppinit.c (cpp_init): Don't use ANSI prototypes.
5197 * flow.c (flow_dump_loop): Likewise.
5198 (flow_loops_dump): Likewise.
5200 * c-typeck.c (c_start_case): Fix typo.
5202 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5204 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
5205 to int for plain complex which defaults to complex double. Do
5206 warn about defaulting to complex double if pedantic. Warn about
5207 complex integer types if pedantic. Warn about complex types if
5208 pedantic and not in C99 mode.
5209 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
5210 for complex conjugation.
5212 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5214 * contrib.texi: Update my entry.
5216 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
5218 * config/avr/avr.md (mcu_enhanced): New attribute.
5219 (mcu_mega): Likewise.
5220 (extendhisi2): Use mcu_enhanced.
5221 (zero_extendhisi2): Likewise.
5222 (call_insn): Use mcu_enhanced and mcu_mega.
5223 (call_value_insn): Likewise.
5224 (*sbrx_branch): Use mcu_mega.
5225 (*sbrx_and_branchsi): Likewise.
5226 (*sbrx_and_branchhi): Likewise.
5227 (*tablejump_lib): Likewise.
5229 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5231 * alias.c (true_dependence): Allow non-unchanging read to conflict
5232 with unchanging write.
5234 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
5235 (store_constructor): Pass alias_set to it.
5237 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
5238 TYPE_MAIN_VARIANT of ERROR_MARK.
5239 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
5241 * simplify-rtx.c (simplify_unary_operation): Add cases
5242 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
5244 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
5246 * expr.h (emit_library_call, emit_library_call_value): Delete
5248 * rtl.h (enum libcall_type): New.
5249 (emit_library_call, emit_library_call_value): Change fn_type arg to
5250 be of type enum libcall_type.
5251 * calls.c: Likewise for the function definitions. Several callers
5252 throughout changed to use the new enumeration appropriately.
5253 (emit_library_call_value_1): Likewise. Put back code to make libcall
5254 blocks of equal form, but only use it for the two new higher
5257 2000-09-16 Mark Mitchell <mark@codesourcery.com>
5259 Convert the C front-end to use function-at-a-time mode.
5260 * c-common.h: Include splay-tree.h.
5261 (C_DECLARED_LABEL_FLAG): New macro.
5262 (struct language_function): Add x_scope_stmt_stack and
5263 x_function_name_declared_p.
5264 (RECHAIN_STMTS): Move definition.
5265 (lang_statment_code_p): Likewise.
5266 (lang_expand_stmt): Likewise.
5267 (lang_expand_decl_stmt): New variable.
5268 (lang_expand_function_end): Likewise.
5269 (current_scope_stmt_stack): New function.
5270 (add_decl_stmt): Likewise.
5271 (add_scope_stmt): Likewise.
5272 (mark_stmt_tree): Likewise.
5273 (struct c_lang_decl): New structure.
5274 (DECL_SAVED_TREE): Define.
5275 (c_mark_lang_decl): New function.
5276 (c_expand_start_cond): Change prototype.
5277 (c_finish_then): New function.
5278 (c_finish_else): Likewise.
5279 (current_function_name_declared): Remove.
5280 (set_current_function_name_declared): Likewise.
5281 (mark_c_language_function): Declare.
5282 (case_compare): Likewise.
5283 (c_add_case_label): Likewise.
5284 (c_expand_expr): Likewise.
5285 (c_safe_from_p): Likewise.
5286 * c-common.c (lang_expand_function_end): New variable.
5287 (struct if_elt): Add if_stmt.
5288 (c_expand_start_cond): Add the if-statement to the statement-tree,
5289 rather than generating RTL.
5290 (c_finish_then): New function.
5291 (c_expand_start_else): Don't generate RTL.
5292 (c_finish_else): New function.
5293 (c_expand_expr_stmt): Don't generate RTL.
5294 (statement_code_p): Add SCOPE_STMT.
5295 (case_compare): New function.
5296 (c_add_case_label): Likewise.
5297 (mark_stmt_tree): Likewise.
5298 (c_mark_lang_decl): Likewise.
5299 (mark_c_language_function): Likewise.
5300 (c_expand_expr): Likewise.
5301 (c_safe_from_p): Likewise.
5302 * c-decl.c (c_stmt_tree): New variable
5303 (c_scope_stmt_stack): Likewise.
5304 (c_function_name_declared_p): Likewise.
5305 (lang_expand_expr_stmt): Remove.
5306 (poplevel): Don't call output_inline_function for nested
5308 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
5310 (redeclaration_error_message): Change means of computing whether
5311 or not a function is nested.
5312 (lookup_label): Don't call label_rtx.
5313 (init_decl_processing): Add more GC roots.
5314 (start_decl): Add DECL_STMTs to the statement-tree, rather than
5315 calling rest_of_decl_compilation.
5316 (finish_decl): Don't call expand_decl.
5317 (store_parm_decls): Begin the statement-tree, but don't generate
5319 (finish_function): Tie off the statement-tree. Call c_expand_body
5321 (c_expand_body): New function.
5322 (push_c_function_context): Save more information.
5323 (pop_c_function_contxt): Likewise.
5324 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
5325 (lang_mark_tree): Mark it.
5326 (current_stmt_tree): Adjust.
5327 (current_scope_stmt_stack): New function.
5329 (set_current_name_declared): Likewise.
5330 (c_begin_compound_stmt): Define.
5331 (c_expand_decl_stmt): Likewise.
5332 * c-lang.c: Include rtl.h and expr.h.
5333 (lang_init): Set more language-specific hooks.
5334 * c-lex.c: Include expr.h.
5335 * c-parse.in: Changes throughout to add statements to the
5336 statement-tree, rather than generating RTL after every statement.
5337 * c-semantics.c (lang_expand_decl_stmt): Define.
5338 (add_decl_stmt): New function.
5339 (add_scope_stmt): Likewise.
5340 (finish_stmt_tree): Tweak.
5341 (genrtl_expr_stmt): Likewise.
5342 (genrtl_decl_stmt): Handle local labels, and call
5343 lang_expand_decl_stmt if required.
5344 (genrtl_for_stmt): Fix line-number handling.
5345 (genrtl_case_label): Handle cleanups.
5346 (genrtl_asm_stmt): Don't call combine_strings.
5347 (genrtl_compound_stmt): Simplify.
5348 (expand_stmt): Handle SCOPE_STMTs.
5349 * c-tree.h (struct lang_decl): New structure.
5350 (C_DECLARED_LABEL_FLAG): Remove.
5351 (c_begin_compound_stmt): Declare.
5352 (c_expand_decl_stmt): Likewise.
5353 (c_expand_start_case): Rename to c_start_case.
5354 (c_finish_case): New function.
5355 * c-typeck.c (start_init): Tweak setting of
5356 constructor_incremental.
5357 (c_expand_asm_operands): Tweak error-handling. Add to the
5359 (c_expand_return): Add to the statement-tree.
5360 (c_expand_start_case): Rename to ...
5361 (c_start_case): ... this.
5362 (struct c_switch): New type.
5363 (switch_stack): New variable.
5364 (do_case): Simplify.
5365 (c_finish_case): New function.
5366 * dependence.c: Include expr.h.
5367 (enum dependence_type): Change spelling of enumerals.
5368 (check_node_dependence): Adjust.
5369 * expr.h (lang_safe_from_p): Declare.
5370 (safe_from_p): Likewise.
5371 * expr.c (lang_safe_from_p): New variable.
5372 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
5373 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
5374 * toplev.c (rest_of_decl_compilation): Robustify.
5375 * tree.c (contains_placeholder_p): Likewise.
5376 * Makefile.in: Update dependencies.
5377 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
5378 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
5379 (objc_expand_function_end): New function.
5380 (finish_method_def): Use it.
5381 (init_objc): Initialize more language-specific hooks.
5382 * objc/Make-lang.in: Update dependencies.
5384 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
5386 * configure.in: Define macros that affect features before
5387 testing for features. Don't define _XOPEN_SOURCE.
5388 * configure: Regenerated.
5389 * config.in: Regenerated.
5391 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
5393 * rtlanal.c (rtx_varies_p): Volatile asms vary.
5394 (rtx_unstable_p): Restructure code. Volatile asms
5397 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5399 * function.h (no_debugging_symbols): New field.
5400 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
5401 Initialize no_debugging_symbols.
5402 (output_inline_function): Save and restore write_symbols and set from
5403 no_debugging_symbols.
5404 * toplev.c (rest_of_compilation): Call save_for_inline.
5405 * tree.h: Update comment.
5407 * stor-layout.c (place_field): Don't do anything if field or
5408 its type are ERROR_MARK.
5410 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
5412 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
5413 (read_include_file): Ensure inc->mmaped is initialized.
5415 2000-09-16 Richard Henderson <rth@cygnus.com>
5417 * cppiles.c (purge_cache): Use PTR not caddr_t.
5419 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
5421 * gcc.c: In description for %{<S}, say the option removed is -S.
5422 * invoke.texi (Spec Files): Ditto.
5424 2000-09-16 Andreas Jaeger <aj@suse.de>
5426 * configure.in: Always define _GNU_SOURCE to make interfaces
5427 visible that were hidden by only defining _GNU_SOURCE.
5428 * configure: Regenerated.
5430 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
5432 * cpplex.c (push_macro_context): Set an argument's level after
5433 calling parse_args. We could loop infinitely otherwise.
5435 2000-09-15 Tom Tromey <tromey@cygnus.com>
5437 * configure, config.in: Rebuilt.
5438 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
5440 2000-09-15 Greg McGary <greg@mcgary.org>
5442 * cppmacro.c (check_trad_stringification): Check token
5443 text pointers against limit before dereferencing.
5445 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
5447 * c-common.c (format_wanted_type): New structure.
5448 (check_format_types): New function.
5449 (check_format_info): Pass all checking of types of format
5450 arguments, including width and precision arguments, to this new
5453 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5455 * BUGS: Remove file.
5457 2000-09-15 Jakub Jelinek <jakub@redhat.com>
5459 * config/alpha/alpha.c (override_options): ev6 cache latencies
5460 from Richard Henderson. Don't allow -mmemory-latency=L0.
5462 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
5463 (TARGET_OPTIONS): Add tune=.
5464 (alpha_tune_string): Declare.
5465 * config/alpha/alpha.c (override_options): Add cpu_table.
5466 Use alpha_cpu_string first to set both alpha_cpu and target_flags
5467 and then alpha_tune_string to set alpha_cpu only.
5468 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
5469 * config/alpha/elf.h (ASM_FILE_START): Likewise.
5470 * config/alpha/osf.h (ASM_FILE_START): Likewise.
5471 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
5473 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5475 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
5477 (ix86_comparison_operator, ix86_cc_mode): Declare
5478 * i386.h (CCGC, CCGCO): New modes.
5479 (SELECT_CC_MODE): Move offline to ....
5480 * i386.c (ix86_cc_mode): .... here; use new modes.
5481 (ix86_comparison_operator): New.
5482 (fcmov_comparison_operator): Ensure proper mode.
5483 (put_condition_mode): More sanity checking.
5484 (ix86_match_ccmode): Handle new modes.
5485 (ix86_expand_fp_compare): GEU requires CCmode.
5486 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
5488 * i386.md (cmp?i_ccz_1): Remove
5489 (cmp?i_ccno_1): Use ix86_match_ccmode.
5490 (cmp?i_minus_1): New.
5491 (cmpsi_1): New expander.
5492 (cmpqi_ext_1): Use match_ccmode
5493 (cmpqi_ext_3): New expander.
5494 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
5495 (cmpqi_ext_4): Use match_ccmode.
5496 (add?i_?): Use match_ccmode.
5498 (test?i_ccz_1): Remove
5500 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
5501 (testqi_ext_0): Use ix86_match_ccmode.
5502 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
5503 (xorqi_cc_ext_1): New expander.
5504 (shift patterns): Use CCGOCmode for all shifts except for sar.
5505 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
5506 (setcc_3, jcc_3, miv?icc_c): Remove.
5508 2000-09-15 Will Cohen <wcohen@redhat.com>
5510 * dwarf2out.c (add_const_value_attribute): Changed array into a
5511 xmalloced object, so it exists after function exit.
5512 (free_AT): Added case for dw_val_class_float to free allocated
5515 2000-09-15 Kazu Hirata <kazu@hxi.com>
5517 * config/i386/i386.md: Fix a comment typo.
5518 * gcc.c: Fix formatting.
5520 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5522 * optabs.c (emit_libcall_block): If target is a user variable,
5523 copy to a temporary first.
5524 * expr.c (convert_move): When generating a libcall, make a libcall
5526 * calls.c (emit_library_call_value_1): Don't create a libcall
5527 sequence here; our caller will in most cases do it.
5529 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
5531 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
5532 * sh.md (reload_outsf): Generate recognizable patterns for
5534 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
5535 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
5536 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
5537 truncdfsf2_i4): Change not to use explicit references to fpul.
5538 (floatsisf2_ie): Remove USE of fpscr.
5539 (floatsisf2): Change default expansion to match this.
5540 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
5543 2000-09-15 Richard Henderson <rth@cygnus.com>
5545 * expmed.c (store_bit_field): Consider naturally aligned
5546 memory for direct reference.
5548 2000-09-15 Richard Henderson <rth@cygnus.com>
5550 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
5551 AND addresses into alias set 0.
5552 (alpha_expand_unaligned_store): Likewise.
5553 (alpha_expand_unaligned_load_words): Likewise.
5554 (alpha_expand_unaligned_store_words): Likewise.
5556 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5558 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
5559 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
5561 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
5562 rsize of UNITS_PER_WORD.
5564 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
5566 * cpplex.c (ON_REST_ARG): Correct the test.
5567 (maybe_paste_with_next): Duplicate a token that fail pasting,
5568 and clear its PASTE_LEFT flag, so that nested pasting attempts
5571 2000-09-14 Richard Henderson <rth@cygnus.com>
5573 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
5574 * cse.c (rtx_cost): Likewise.
5575 * optabls.c (expand_binop): Likewise.
5576 (expand_twoval_binop, prepare_cmp_insn): Likewise.
5577 * regclass.c (copy_cost): Likewise.
5578 * reload1.c (reload_cse_move2add): Likewise.
5580 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
5582 * c-parse.in (reswords): Add _Complex.
5584 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5586 * gcc.1: Delete documentation for -undef preprocessor option.
5588 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
5590 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5591 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
5592 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5593 Remove undefine before config/elfos.h.
5594 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
5596 2000-09-14 Kazu Hirata <kazu@hxi.com>
5598 * invoke.texi (H8/300 Options): Add -ms2600.
5599 * config/h8300.c (h8300_init_once): Output an error when -ms2600
5600 is used without -ms.
5601 * config/h8300.h (TARGET_MAC): New.
5602 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
5603 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
5604 machine other than H8/S2600.
5605 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
5608 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
5610 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
5611 pseudos that refer to the original pseudos, not only to their
5612 equivalent memory locations.
5614 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5616 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
5617 when making new MEM.
5619 * Makefile.in (LN): Remove duplicate definition.
5621 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5623 From Joern Rennecke:
5624 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
5625 on an insn and function_invariant_p returns nonzero for the source,
5626 add a REG_EQUAL note.
5628 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
5630 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
5631 conflict with frame_pointer_rtx.
5633 2000-09-13 Kazu Hirata <kazu@hxi.com>
5635 * loop.c: Fix formatting.
5638 2000-09-13 Richard Henderson <rth@cygnus.com>
5640 * config/ia64/ia64.md (divsf3): New.
5641 (divsf3_internal_lat, divsf3_internal_thr): New.
5642 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
5643 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
5644 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
5645 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
5646 (nmadddf4_alts, nmadddf4_trunc): New.
5647 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
5648 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
5649 (multf3_truncsf_alts, multf3_truncdf_alts): New.
5650 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
5651 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
5652 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
5653 (nmaddtf4_truncdf_alts): New.
5654 (recip_approx): Don't predicate.
5656 2000-09-13 Richard Henderson <rth@cygnus.com>
5658 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
5660 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5662 * flags.h (flag_dump_rtl_in_asm): Declare.
5663 * toplev.c (flag_dump_rtl_in_asm): Define.
5664 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
5665 if -dP is specified.
5666 * rtl.h (print_rtx_head): Declare.
5667 * print-rtl.c (print_rtx_head): Define.
5668 (print_rtx): Print the string pointed to by print_rtx_head
5669 at beginning of each dump line.
5670 (print_rtl): Likewise.
5671 (print_rtl_single): Likewise.
5672 * final.c (final_scan_insn): Dump the insn in the assembly
5674 * gcc.1: Document -dP option.
5675 * invoke.texi (Debugging Options): Likewise.
5677 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5679 * md.texi (Machine Constraints): Document the 68HC11 constraints.
5680 * install.texi (Configurations): Document the 68HC11&68HC12 port.
5681 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
5683 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
5685 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
5686 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
5687 (*clrstrqi): Likewise.
5688 (xorhi3,xorsi3,absqi2): Likewise.
5689 (one_cmplhi2,one_cmplsi2): Likewise.
5690 (addsi3): Two stupid constraint alternatives removed.
5691 (extendhisi2): Use `movw' for enhanced avr cores.
5692 (zero_extendhisi2): Likewise.
5694 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
5696 * alias.c (find_base_term): Use frame_pointer_rtx
5697 when handling an ADDRESSOF.
5699 * cse.c (canon_hash): Handle USE of BLKmode memory.
5700 (cse_insn): Outgoing arguments for a libcall don't
5701 affect any recorded expressions.
5703 2000-09-12 Tom Tromey <tromey@cygnus.com>
5705 * configure, config.in: Rebuilt.
5706 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
5708 2000-09-12 Jakub Jelinek <jakub@redhat.com>
5710 * c-lex.c (lex_string): Use charwidth to compute bytemask.
5711 * expr.c (expand_expr): Don't optimize constant array references
5712 initialized with wide string constants.
5714 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5716 * loop.c (note_set_pseudo_multiple_uses): Correct.
5718 2000-09-12 Jim Wilson <wilson@cygnus.com>
5720 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
5721 else block, and X has side-effects, then fail.
5723 2000-09-12 Greg McGary <greg@mcgary.org>
5725 * config/mips/mips-protos.h
5726 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
5727 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
5728 (PREDICATE_CODES): Add "trap_cmp_op".
5729 * config/mips/mips.c
5730 (trap_cmp_op, mips_gen_conditional_trap): New functions.
5731 * config/mips/mips.md (trap, conditional_trap): New patterns.
5733 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5735 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
5738 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5740 * builtins.c (built_in_decls): New array.
5741 (expand_builtin_fputs): New function.
5742 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
5744 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
5746 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
5748 * tree.h (built_in_decls): New array.
5750 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
5752 * convex.md: Use "+" instead of "=" for outputs wrapped in a
5754 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
5756 2000-09-12 Kazu Hirata <kazu@hxi.com>
5758 * haifa-sched.c: Fix formatting.
5760 * genattrtab.c: Fix formatting.
5762 * unroll.c: Fix formatting.
5764 2000-09-12 Bruce Korb <bkorb@gnu.org>
5766 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
5767 remove obsolete code
5768 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
5769 * fixinc/fixincl.tpl: make non-exported arrays static scope
5770 * fixinc/fixincl.x: regenerate
5771 * fixinc/fixlib.h: Use PARAMS, not _P_
5772 * fixinc/fixtests.c: make a type for the test proc & use it
5773 * fixinc/server.h: Use PARAMS, not _P_
5775 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5777 * c-typeck.c (process_init_element): Avoid union init warnings on
5778 floating point zero. Don't crash on unions containing structs.
5780 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
5782 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
5783 general_movsrc_operand, and remove CONST_INT from
5784 general_movdst_operand.
5786 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5788 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
5789 if a reference to non-fixed hardreg is seen. Otherwise, count hard
5790 regs with a higher cost.
5791 (preferrable): Deal with cases where either cost or regcost is
5793 (cse_insn): Use MAX_COST rather than 10000. Always initialize
5795 (COSTS_N_INSNS): Move definition...
5797 (MAX_COST): New macro.
5798 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
5801 2000-09-11 Mark Mitchell <mark@codesourcery.com>
5803 * c-common.h (genrtl_clear_out_block): Remove.
5804 * c-semantics.c (genrtl_clear_out_block): Remove.
5805 (genrtl_while_stmt): Don't call it.
5806 (genrtl_for_stmt): Likewise.
5808 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5810 * cppfiles.c: Move all default-#defines to top of file.
5811 (open_include_file): Replace by lookup_include_file.
5812 (read_with_read, read_file): Merged into read_include_file.
5813 (stack_include_file, purge_cache): New functions.
5814 (close_cached_fd): Delete.
5815 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
5816 Cache the in-memory buffer, not the file descriptor.
5818 * cpphash.h (struct include_file): Add buffer, st, refcnt,
5820 (xcnew): New utility macro.
5821 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
5822 * cpplib.h (struct cpp_buffer): Remove mapped field.
5824 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5826 * cpplex.c (parse_string): Accept backslash space newline as a
5828 (lex_line): Likewise.
5829 (_cpp_get_token): Remove hard limit on macro nesting.
5831 2000-09-12 Philipp Thomas <pthomas@suse.de>
5833 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
5834 * configure: Rebuilt.
5836 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5838 * flow.c (split_block): Fix update of registers live at
5841 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5843 * i386.md (add?i_3, add?i_5): New.
5844 (add?i_4): Rename from add?i_3; Fix compare pattern.
5845 (sub?i_3, xor?i_3, ior?i_3): New.
5847 * genrecog.c (write_tree): Output code to clear insn_extract cache.
5848 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
5849 instead of extract_insn and extract_constrain_insn_cache instead of
5850 extract_insn and constrain_operands.
5851 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
5853 (extract_insn): Clear which_alternative.
5854 (constrain_operands): Set which_alternative to -1 when failed.
5855 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
5858 2000-09-11 Matthew Hiller <hiller@redhat.com>
5860 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
5861 on operand 0 to '+'.
5862 (movstricthi): Likewise.
5864 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5866 * loop.h (LOOP_IVS): New macro.
5867 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
5868 (struct loop_ivs): New.
5869 (struct loop_info): Add ivs field.
5870 (reg_iv_type, reg_iv_info): Delete prototype.
5871 (reg_biv_class, loop_iv_list): Likewise.
5872 * loop.c (record_biv, find_life_end): Pass loop argument.
5873 (reg_iv_type): Remove global array and use
5874 field in loop_regs structure within loop_ivs structure.
5875 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
5876 (first_increment_giv, last_increment_giv): Use entry in
5878 (record_initial): Pass ivs pointer.
5879 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
5881 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5883 * loop.h (LOOP_REGS): New macro.
5884 (struct loop_regs): New.
5885 (struct loop_info): Add regs field.
5886 * loop.c (set_in_loop): Remove global array and store
5887 in loop_regs structure as part of loop_info structure.
5888 (n_times_set, may_not_optimize): Likewise.
5889 (reg_single_usage, moved_once): Likewise.
5890 (count_one_set): Add regs argument.
5891 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
5892 (set_pseudo_multiple_uses): Pass regs pointer.
5894 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5896 * unroll.c (iteration_info): Subsume into loop_iterations.
5897 * loop.h (loop_info): New field iv.
5899 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5901 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
5902 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
5903 (flow_loops_update): New prototype.
5904 (flow_loops_find): Add flags to prototype.
5905 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
5906 * flow.c (flow_loop_pre_header_scan): New.
5907 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
5908 (flow_loop_free): Free pre-header root and trace and exit dominators.
5909 (flow_loops_find): New argument flags.
5910 (flow_loops_update): New function.
5911 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
5913 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5915 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
5916 * flow.c (split_block, update_bb_for_insn): New functions.
5918 2000-09-11 Richard Henderson <rth@cygnus.com>
5920 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
5922 2000-09-11 Richard Henderson <rth@cygnus.com>
5924 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
5925 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
5926 (ia64_override_options): Prevent optimizing division for both
5927 latency and throughput.
5928 (rtx_needs_barrier): Handle frcpa.
5929 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
5930 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
5931 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
5932 (TARGET_SWITCHES): Add -minline-divide-min-latency and
5933 -minline-divide-max-throughput.
5934 (PREDICATE_CODES): Update.
5935 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
5936 (zero_extendsidi2): Likewise. Fix typo in f case insn.
5937 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
5938 (extendsftf2): Likewise.
5939 (extenddftf2): Likewise.
5940 (fix_trunctfdi2_alts): New.
5941 (fixuns_trunctfdi2_alts): New.
5942 (madd*4): Rename from madd*3.
5943 (divsi3, modsi3, udivsi3, umodsi3): New.
5944 (divsi3_internal): New.
5945 (divdi3, moddi3, udivdi3, umoddi3): New.
5946 (divdi3_internal_lat, divdi3_internal_thr): New.
5947 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
5948 (recip_approx): New.
5950 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
5952 * print-rtl.c (debug_call_placeholder_verbose): New variable.
5953 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
5955 * integrate.c (copy_rtx_and_substitute): Don't share
5956 LEAF_REG_REMAPpable registers with the inlined function. Don't
5957 share the function value with calling sequences.
5959 2000-09-11 Jakub Jelinek <jakub@redhat.com>
5961 * c-decl.c (do_case): Fix a typo.
5963 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
5964 to a if the comparison is floating mode and not -ffast-math.
5965 * simplify-rtx.c (simplify_ternary_operation): Likewise.
5967 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5969 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
5970 gen_ic_invalidate_line.
5972 2000-09-11 Philip Blundell <pb@futuretv.com>
5974 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
5976 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
5978 * install.texi (LANGUAGES): Update to include new languages.
5981 2000-09-11 DJ Delorie <dj@redhat.com>
5983 * gcc.c (main): Don't warn about unused -B prefixes
5984 (unused_prefix_warnings): remove
5986 2000-09-11 Kazu Hirata <kazu@hxi.com>
5988 * final.c: Fix formatting.
5990 * integrate.c: Fix formatting.
5992 2000-09-11 Geoff Keating <geoffk@cygnus.com>
5994 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
5996 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
5998 * reload.c (regno_clobbered_p): Fix thinko in previous change.
6000 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6002 * gcc.1: Document 68hc11 specific options.
6004 2000-09-10 Geoff Keating <geoffk@cygnus.com>
6006 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
6007 (TARGET_LONG_DOUBLE_128): Define.
6008 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
6009 (LONG_DOUBLE_TYPE_SIZE): Redefine.
6010 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6011 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
6012 of __LONG_DOUBLE_128__.
6013 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
6015 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
6016 (CPP_SYSV_DEFAULT_SPEC): Define.
6017 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
6018 (INIT_TARGET_OPTABS): Define.
6020 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
6021 (RS6000_UITRUNC): Likewise.
6022 (INIT_TARGET_OPTABS): New macro.
6023 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
6024 (trunc_defined): Delete.
6025 (output_prolog): Don't output .extern definitions for fp->int
6026 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
6027 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
6028 (trunc_defined): Delete.
6029 (RS6000_ITRUNC): Moved to aix.h.
6030 (RS6000_UITRUNC): Likewise.
6031 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
6032 only emit a libcall.
6033 (fixuns_truncdfsi2): Delete.
6034 (trunc_call): Delete.
6035 (trunc_call_rtl): Delete.
6037 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6039 * varasm.c (make_decl_rtl): Restore leading star on
6040 DECL_ASSEMBLER_NAME set for decls with an asmspec.
6042 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6044 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
6045 won't give a spurious error for '#pragma pack()'. Simplify
6046 control flow for readability. 'reset' action is not necessary.
6048 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6050 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
6051 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
6052 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
6053 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
6055 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
6056 profile.c, sdbout.c, tradcif.y, tree.c:
6057 Include defaults.h if not already included.
6058 Don't define the above macros.
6060 * Makefile.in: Update dependencies.
6062 2000-09-10 Mark Mitchell <mark@codesourcery.com>
6064 * c-common.h (add_stmt): Change prototype.
6065 (RECHAIN_STMTS): New macro.
6066 (CASE_LABEL_DECL): Likewise.
6067 (genrtl_case_label): Change prototype.
6068 (c_expand_start_case): Remove prototype.
6069 (build_case_label): Change prototype.
6070 (decl_constant_value): Declare.
6071 * c-common.c (check_case_value): Handle C++'s extensions to C
6073 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
6075 * c-parse.in (stmt): Adjust handling of return statements and case
6077 * c-semantics.c (add_stmt): Return the new statement.
6078 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
6079 returned expression. Directly generate RTL, rather than calling
6081 (genrtl_switch_stmt): Don't call c_expand_start_case.
6082 (build_case_label): Take the LABEL_DECL as input, too.
6083 (genrtl_case_label): Just call add_case_node.
6084 (expand_stmt): Adjust calls to genrtl_return_stmt and
6086 * c-tree.h (c_expand_start_case): Declare.
6087 * c-typeck.c (decl_constant_value): Give it external linkage.
6088 (c_expand_return): Don't call expand_return or expand_null_return;
6089 use genrtl_return_stmt instead.
6090 * stmt.c (struct nesting): Remove num_ranges field.
6091 (add_case_node): Give it external linkage.
6092 (expand_start_case): Don't set num_ranges.
6093 (expand_start_case_dummy): Don't clear it.
6094 (pushcase): Rely on add_case_node to handle `default' labels.
6095 (add_case_node): Handle `default' labels.
6096 * tree.c (tree_int_cst_compare): New function.
6097 * tree.h (tree_int_cst_compare): Declare.
6098 (add_case_node): Likewise.
6100 2000-09-10 Richard Henderson <rth@cygnus.com>
6102 * c-parse.in: Revert last change.
6103 (init_reswords): Do not enter disabled keywords into the ridpointers
6104 table, modulo objc weirdness.
6105 (_yylex): Return the canonical spelling for a keyword.
6107 2000-09-10 Philip Blundell <philb@gnu.org>
6109 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
6110 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
6112 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
6114 * alias.c (find_base_term): Handle ADDRESSOF.
6115 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
6117 2000-09-10 Denis Chertykov <denisc@overta.ru>
6119 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
6120 outputting templates with many lines.
6122 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6124 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
6125 to decide whether 64-bit support must be generated.
6127 2000-09-10 Richard Henderson <rth@cygnus.com>
6129 * c-parse.in (asm patterns): Fix volatile check.
6131 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6133 * cppmacro.c (check_trad_stringification): New function.
6134 (save_expansion): If -Wtraditional, warn about stringification of
6137 2000-09-11 Michael Hayes <mhayes@cygnus.com>
6139 * loop.h (struct loop_mem_info): Move from loop.c
6140 (struct loop_info): Add fields store_mems, mems, mems_idx,
6141 mems_allocated, unknown_address_altered,
6142 unknown_constant_address_altered, num_mem_sets, and
6143 first_loop_store_insn.
6145 * loop.c (loop_store_mems): Replace with field in loop_info struct.
6146 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
6147 (unknown_address_altered, unknown_constant_address_altered): Likewise.
6148 (num_mem_sets): Likewise.
6149 (replace_loop_mems, replace_loop_regs): New.
6150 (struct loop_replace_args): New.
6151 (load_mems): Use replace_loop_mems.
6152 (try_copy_prop): Use replace_loop_regs.
6153 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
6155 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6157 * configure.in: Recognize m6811-elf and m6812-elf.
6158 * configure: Regenerate.
6160 2000-09-09 Geoff Keating <geoffk@cygnus.com>
6162 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
6165 2000-09-10 Michael Hayes <mhayes@cygnus.com>
6167 * loop.c (struct movables): New.
6168 (num_movables): Move into struct movables.
6169 (the_movables): Change type to struct movables.
6170 (ignore_some_movables): Change struct movable arg to struct movables.
6171 (force_movables, combine_movables, regs_match_p): Likewise.
6172 (rtx_equal_for_loop_p, move_movables): Likewise.
6173 (scan_loop): Change movables to be of type struct movables.
6174 Replace last_movable with field in movables structure.
6176 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
6178 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
6179 (init_pragma): Avoid warning if pfile happens to be unused.
6180 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
6181 define init_pragma to nothing. Always prototype
6182 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
6184 * c-lex.c (process_directive): Always call dispatch_pragma.
6185 Initialize entering_c_header to 0.
6187 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6189 * config/m68hc11/m68hc11.md: New file, machine description for
6191 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
6192 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
6193 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
6194 * config/m68hc11/m68hc11-protos.h: New file.
6195 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
6196 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
6197 * config/m68hc11/xm-m68hc11.h: New file, target defs.
6198 * config/m68hc11/larith.asm: New file, libgcc routines.
6200 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6202 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
6203 (FPBIT_FUNCS): Add _usi_to_sf.
6204 * config/fp-bit.c (usi_to_float): New function.
6205 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
6206 (usi_to_float): Add appropriate #define.
6208 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6210 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
6212 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
6213 * i386.md (attr "type"): Add sse and mmx types.
6214 (attr "memory"): Handle them without a crash.
6215 (movsi_1, movdi_2): Allow MMX regs.
6216 (movdi splits): Don't split moves involving MMX regs.
6217 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
6218 (movv4sf_internal, movv4si_internal, movv8qi_internal,
6219 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
6220 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
6221 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
6222 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
6223 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
6224 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
6225 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
6226 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
6227 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
6228 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6229 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6230 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
6231 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
6232 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6233 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6234 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
6235 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
6236 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
6237 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
6238 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
6239 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6240 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6241 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
6242 mmx_clrdi): New patterns.
6244 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
6246 * arm.c: Don't include tm.h directly.
6248 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
6250 * recog.c (validate_replace_rtx_1): Fix confusion about equality
6251 testing; simplify subregs of constants and nested subregs.
6253 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
6255 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
6257 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6259 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
6261 * rtl.texi (description of USE): Add note about possible pitfalls
6263 From Richard Henderson:
6264 * reload1.c (choose_reload_regs): Compute need_mode properly.
6266 2000-09-07 Richard Henderson <rth@cygnus.com>
6268 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6269 (__modsi3, __umodsi3): Likewise.
6270 (__udivsi3): Likewise. Normalize the TFmode values.
6272 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6274 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6276 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6279 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6281 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
6282 (cmpeqdi_t): Add output pattern.
6283 (cmpeqdi_t+1): Don't split when not optimizing.
6284 Restore proper splitting operation.
6286 2000-09-07 Richard Henderson <rth@cygnus.com>
6288 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
6289 do not call dispatch_pragma.
6291 2000-09-07 Jim Wilson <wilson@cygnus.com>
6293 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
6294 to CLASS_CANNOT_CHANGE_MODE.
6295 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
6296 mode classes are different.
6298 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6300 * cpplib.h (struct cpp_options): Add user_label_prefix member,
6301 left out of commit which removed cppulp.c.
6303 2000-09-07 Richard Henderson <rth@cygnus.com>
6305 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
6306 after switch for CASE_DROPS_THROUGH.
6308 2000-09-07 Richard Henderson <rth@cygnus.com>
6310 * loop.c (strength_reduce): Call check_ext_dependant_givs.
6311 Properly extend the biv initial value for the giv.
6312 (record_biv): Zero ext_dependant.
6313 (record_giv): New argument ext_val. Update all callers.
6314 (general_induction_var): Likewise.
6315 (consec_sets_giv): Likewise.
6316 (simplify_giv_expr): Likewise. Fill in ext_val if we find
6317 a sign-extend, zero-extend, or truncate.
6318 (combine_givs_p): Make sure modes are compatible.
6319 (check_ext_dependant_givs): New.
6320 (extend_value_for_giv): New.
6321 * loop.h (struct induction): Add ext_dependant.
6322 * unroll.c (iteration_info): Extend the biv initial value for the giv.
6323 (find_splittable_givs): Likewise.
6324 (final_giv_value): Likewise.
6326 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6328 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
6329 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
6330 definitions from cpplib.h.
6331 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
6333 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
6334 documentation for REGISTER_TARGET_PRAGMAS.
6336 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
6337 default-pragma callback to implement -Wunknown-pragmas if
6339 * c-parse.in: Move all includes to top of file.
6340 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
6342 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
6344 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
6346 * arm.h, arm-protos.h, arm.c,
6347 c4x.h, c4x-protos.h, c4x.c,
6348 h8300.h, h8300-protos.h, h8300.c,
6349 i370.h, i370-protos.h, i370.c,
6350 i960.h, i960-protos.h, i960.c,
6351 sh.h, sh-protos.h, sh.c,
6352 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
6353 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
6355 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
6356 multiple include guard.
6357 * i370.md (untyped_call): Use GEN_CALL.
6358 (umodsi3): Remove unused variable.
6359 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
6360 * v850.c (output_move_single, output_move_double): Constify
6362 (print_operand): Constify a char *.
6363 * v850.h (struct small_memory_info): Constify name member.
6365 2000-09-07 Kazu Hirata <kazu@hxi.com>
6367 * config/h8300.h: Fix comment typos.
6368 * config/h8300/h8300.md: Likewise.
6369 * config/h8300/lib1funcs.asm: Likewise.
6371 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
6373 * Makefile.in: Remove references to cppulp.{c,o}.
6374 * cppinit.c (initialize_builtins, cpp_start_read,
6375 cpp_handle_option): Update to use cpp_options structure.
6378 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
6380 * c-common.c (time_char_table): Allow %#b and %#h.
6382 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6384 * reorg.c (find_end_label): If the basic block reorder pass moves the
6385 return insn to some other place try to locate it again and put our
6386 end_of_function_label there.
6387 * reorg.c (relax_delay_slots): Check if find_end_label created a
6388 new label that invalidates the current optimazation.
6390 2000-09-07 Catherine Moore <clm@redhat.com>
6392 * unroll.c (unroll_loop): Check for unconditional jumps
6393 to loop continuation. Delete if n_iterations is 1.
6394 (ujump_to_loop_cont): New routine.
6396 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
6398 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
6400 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
6401 to handle multiword modes correctly. All callers and the declaration
6404 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6406 * c-common.h (prep_stmt): Declare.
6407 (lang_expand_stmt): Likewise.
6408 * c-decl.c (lang_expand_stmt): Remove.
6409 * c-semantics.c (lang_expand_stmt): Define.
6410 (prep_stmt): New function.
6411 (expand_stmt): Handle common statement types here.
6413 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
6415 * configure.in (sh-*-linux*): Added.
6416 * configure: Rebuilt.
6417 * config/sh/t-linux: New file.
6418 * config/sh/sh.h (USERMODE_BIT): Define.
6419 (TARGET_USERMODE): Likewise.
6420 (TARGET_SWITCHES): New switches for the bits above.
6421 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
6422 * config/sh/linux.h: New file.
6423 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
6424 underscore on linux.
6425 (L_sdivsi3, L_udivsi3): Define for linux.
6426 (L_ic_invalidate): Define.
6427 * invoke.texi (SH Options): Document -musermode.
6429 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
6431 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
6432 CSE unless generating PIC.
6434 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
6437 2000-09-06 H.J. Lu (hjl@gnu.org)
6439 * Makefile.in (clean_s1): Depend on stage_b.
6440 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
6441 stage2. They are used for "make compare".
6443 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6445 Move statement-tree facilities from C++ to C front-end.
6446 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
6447 (void_zero_node): New macro.
6448 (struct stmt_tree_s): New type.
6449 (stmt_tree): New typedef.
6450 (struct language_function): New type.
6451 (last_tree): New macro.
6452 (last_expr_type): Likewise.
6453 (walk_tree_fn): New typedef.
6454 (current_stmt_tree): New function.
6455 (begin_stmt_tree): Likewise.
6456 (add_stmt): Likewise.
6457 (finish_stmt_tree): Likewise.
6458 (statement_code_p): Likewise.
6459 (lang_statement_code_p): New variable.
6460 (walk_stmt_tree): New function.
6461 (STMT_IS_FULL_EXPR_P): New macro.
6462 * c-common.c (lang_statement_code_p): New variable.
6463 (c_common_nodes_and_builtins): Initialize void_zero_node.
6464 (statement_code_p): New function.
6465 (walk_stmt_tree): Likewise.
6466 * c-decl.c (language_function): Rename to ...
6467 (c_language_function): ... this. Include language_function.
6468 (push_c_function_context): Adjust accordingly.
6469 (pop_c_function_context): Likewise.
6470 (mark_c_function_context): Likewise.
6471 (current_stmt_tree): Define.
6472 * c-semantics.c (begin_stmt_tree): New function.
6473 (add_stmt): Likewise.
6474 (prune_unused_decls): Likewise.
6475 (finish_stmt_tree): Likewise.
6477 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6479 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
6481 2000-09-06 Kazu Hirata <kazu@hxi.com>
6483 * calls.c: Fix formatting.
6485 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
6487 * config/i386/i386.h (ADDRESS_COST): Fix typo.
6489 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6491 Integrated preprocessor.
6493 * Makefile.in: Remove all references to c-parse.gperf,
6494 c-gperf.h, and c-parse.h. Remove -d from yacc command line
6495 generating c-parse.c. Update dependencies.
6496 * c-parse.gperf, c-gperf.h: Delete.
6498 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
6499 yy_lim, or yy_get_token. Don't define get_directive_line if
6501 * c-common.h: Add multiple include guard. Define RID values
6502 for every keyword in C, C++, and Objective C. Put all the
6504 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
6505 * c-decl.c (c_decode_option): Handle -lang-objc here.
6506 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
6507 (grokdeclarator): Adjust for new RID scheme.
6508 (extract_interface_info): New stub.
6509 * c-lang.c: Don't declare yy_cur or parse_options.
6510 (lang_init_options): Call cpp_init. Don't call
6512 (lang_init): Don't call check_newline if USE_CPPLIB.
6514 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
6515 Elide lots of unnecessary code if USE_CPPLIB. Delete code
6516 rendered unnecessary by new architecture. Move routines not
6517 shared with C++ to c-parse.in. Maintain a local idea of the
6518 line number. Handle C++ as well as C.
6519 [USE_CPPLIB]: Declare and register callbacks for #ident and
6520 for entering/leaving files.
6521 (init_c_lex, c_lex): Are now the entry points to this file.
6522 (check_newline): Break out directive handling to
6524 (read_ucs, is_extended_char, utf8_extend_token): Moved here
6526 (readescape, parse_float): Overhaul.
6527 (lex_number, lex_string, lex_charconst): Break out of c_lex
6529 (get_fileinfo, update_header_times, dump_one_header,
6530 dump_time_statistics): New and/or moved here from C++.
6531 Support per-file data needed by C++ and per-header timing
6532 statistics (C++ only, at the moment).
6533 * c-lex.h: Update prototypes. Add multiple include guard.
6534 * c-tree.h (struct lang_identifier): Add rid_code field.
6535 (C_IS_RESERVED_WORD, C_RID_CODE): New.
6537 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
6538 reinit_parse_for_function and/or position_after_white_space.
6539 (save_filename, save_lineno): Look ahead before saving.
6540 (label -> identifier ':'): Save file and line before shifting ':'.
6541 (reservedwords): No need to call get_identifier.
6542 (init_parse, finish_parse, yyerror, yylex, yyprint,
6543 make_pointer_declarator): Are now here for C/ObjC.
6544 (rid_to_yy): Conversion table from RID constants to Yacc codes.
6546 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
6547 #pragma registry. Provide dummy implementation of that
6548 interface if !USE_CPPLIB.
6549 * c-pragma.h: Update to match.
6551 * flags.h: Add multiple include guard.
6552 (flag_detailed_statistics): Moved here from C++.
6553 * toplev.c: Define flag_detailed_statistics.
6555 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
6557 * timevar.def (TV_CPP, TV_LEX): New.
6558 * timevar.h: Add multiple include guard.
6560 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
6562 * objc/objc-act.c: Don't mention yy_cur or parse_options.
6563 Initialize cpplib properly. Force lineno to 0 after first
6564 call to check_newline. Don't handle -lang-objc here.
6565 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
6567 2000-09-06 David Edelsohn <edelsohn@gnu.org>
6569 * rs6000.md: Correct function unit definitions for cr_logical and
6571 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
6572 and use portable method for >=0 and floating point >=. Remove
6573 associated matchers.
6575 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6577 * extend.texi: Mark named return value extension as deprecated.
6579 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6581 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
6584 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
6586 * toplev.c (display_help): Fix thinko in documentation.
6588 * diagnostic.h (output_buffer::indent_skip): New fields.
6589 (output_indentation): New macro.
6591 * diagnostic.c (output_indent): New function.
6592 (output_set_prefix, clear_diagnostic_info): Use.
6593 (output_emit_prefix): Predict future indentation.
6595 2000-09-06 DJ Delorie <dj@redhat.com>
6597 * Makefile.in (stage_*): add more dependencies to ensure parallel
6598 builds build correctly
6600 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
6602 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
6603 not bootstrap-lean_f.
6605 2000-09-06 Andreas Schwab <schwab@suse.de>
6607 * mklibgcc.in: Emit rule for libgcc-stage-start.
6608 * Makefile.in (stage1-start, stage2-start, stage3-start,
6609 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
6611 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
6613 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
6614 (update_equiv_regs): Likewise, except for the mn10200 kludge.
6615 (combine_regs): Likewise.
6617 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
6618 * cse.c: Include "basic-block.h".
6619 (struct table_elt): New field REGCOST.
6620 (CHEAP_REG): Delete macro.
6621 (COST): Return 0 for REGs.
6622 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
6623 (notreg_cost): Return 0 for appropriate SUBREGs.
6624 (COSTS_N_INSNS): Return N * 2.
6625 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
6627 (CHEAPER): Use new function preferrable.
6628 (insert): Initialize REGCOST member.
6629 (find_best_addr): Use approx_reg_cost for estimation of register
6631 (cse_insn): Likewise.
6632 * loop.c (iv_add_mult_cost): New function.
6633 (add_cost, shift_cost, mult_cost): Delete variables.
6634 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
6635 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
6636 Make code that detects autoinc opportunities slightly less optimistic.
6637 (simplify_giv_expr): If expression contains other reg that is also a
6638 giv, only increment benefit if this is the only use of that reg.
6639 (consec_sets_giv): Take that change into account.
6640 (combine_givs): Slightly more verbose output.
6642 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
6643 not the cost of an equivalent shift.
6644 * sh-protos.h (addsubcosts): Declare.
6645 * sh.c (addsubcosts): New function.
6646 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
6647 (RTX_COSTS): Tweak. Use addsubcosts.
6648 (ADDRESS_COST): Return higher cost for reg+reg addressing.
6650 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6652 * config/rs6000/rs6000.c (validate_condition_mode): New function.
6653 (branch_comparison_operator): Call validate_condition_mode to
6654 abort rather than returning 0.
6655 (branch_positive_comparison_operator): New function.
6656 (scc_comparison_operator): Call validate_condition_mode to abort
6657 rather than returning 0.
6658 (ccr_bit): Call validate_condition_mode. Update for
6660 (print_operand): Delete %C modifier. Update %E case
6661 to use EQ bit not SO bit.
6662 (rs6000_reverse_condition): New function.
6663 (rs6000_generate_compare): New function.
6664 (rs6000_emit_sCOND): New function.
6665 (rs6000_emit_cbranch): New function.
6666 (output_cbranch): The length of a long branch insn is
6667 now only 8 bytes. Add validate_condition_mode. Use
6668 rs6000_reverse_condition. Remove cror generation.
6670 * config/rs6000/rs6000.h: Update comments.
6671 (PREDICATE_CODES): Add new predicate. Update codes used
6672 by branch_comparison_operator and scc_comparison_operator.
6673 * config/rs6000/rs6000-protos.h: Add prototypes for
6674 new external functions.
6675 * config/rs6000/rs6000.md: Add new scheduling parameters
6676 for cr_logical instructions. Change length of branch
6678 (bCOND patterns): Call rs6000_emit_cbranch.
6679 (sCOND patterns): Call rs6000_emit_sCOND.
6680 (branch patterns): Change lengths to 4.
6681 (cr logical patterns): New.
6683 2000-09-06 Richard Henderson <rth@cygnus.com>
6685 * config/i386/i386.md (call_pop): Fix test for setting
6686 current_function_uses_pic_offset_table.
6687 (call, call_value_pop, call_value): Likewise.
6689 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6691 * timevar.c (timevar_add): Delete.
6692 (timevar_get): Also count time since the selected timer was
6693 last updated. Do not examine the timevar stack if the
6694 selected timer is standalone.
6696 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6698 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
6700 2000-09-05 Jason Merrill <jason@redhat.com>
6702 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
6703 for 'extern' arrays.
6705 2000-09-05 Richard Henderson <rth@cygnus.com>
6707 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
6708 Eliminate final copy from non-trapping case.
6709 (__divdf3, __divsf3): Likewise.
6711 2000-09-05 Richard Henderson <rth@cygnus.com>
6713 * config/ia64/ia64.md (mulhi3): Fix typo last change.
6714 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
6716 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
6718 * Makefile.in: Restructure bootstrap stages to allow clean
6719 restart after failure.
6721 2000-09-05 Richard Henderson <rth@cygnus.com>
6723 * config/ia64.md (movsi and movdi patterns): Allow moves from
6724 8-bit constants to AR registers.
6726 2000-09-05 Richard Henderson <rth@cygnus.com>
6728 * config/ia64/ia64.md (mulhi3): New.
6730 2000-09-05 Richard Henderson <rth@cygnus.com>
6732 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
6733 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
6734 Optimization Guide, minimum latency alternative.
6735 (__moddi3, __udivdi3, __umoddi3): Likewise.
6736 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
6738 2000-09-05 Bruce Korb <bkorb@gnu.org>
6740 * fixinc/fixincl.c (load_file): always read header files
6741 with sizes that are a multiple of the page size.
6742 & use libiberty's getpagesize for determining that.
6744 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
6746 * gcse.c (hash_string_1): Add prototype.
6747 * cse.c (canon_hash_string): Likewise.
6749 2000-09-04 Craig Newell <CraigN@ieee.org>
6751 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
6753 2000-09-04 Andreas Schwab <schwab@suse.de>
6755 * Makefile.in (STAGESTUFF): Remove libgcc.
6756 (stage1-start, stage2-start, stage3-start): Copy the contents of
6757 the libgcc directory explicitly.
6758 (mostlyclean): Clean libgcc.
6760 2000-09-04 Andrew Haley <aph@redhat.com>
6762 * dwarf2out.c: (stack_adjust_offset): New prototype.
6764 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
6766 * combine.c (make_extraction): Fix rtx_cost comparison to
6769 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
6771 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
6772 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
6773 Add '*' to insn pattern name.
6775 2000-09-04 Jakub Jelinek <jakub@redhat.com>
6777 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
6778 use posn - 1 to index into tokens array.
6779 (maybe_paste_with_next): Adjust caller.
6781 2000-09-03 Geoff Keating <geoffk@cygnus.com>
6783 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
6785 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
6786 (REGNO_REG_CLASS): Use symbolic register
6789 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
6791 * arm.c (final_prescan_insn): If the form of a jump insn isn't
6792 recognized, don't try to conditionally execute it.
6794 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
6796 * config/avr/avr.md ("*tablejump_lib"): New pattern.
6797 (call_value_insn): Right length claculation.
6798 (call_insn): Likewise.
6800 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
6802 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
6803 gas_output_limited_string, gas_output_ascii, output_movqi,
6804 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
6805 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
6806 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
6807 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
6808 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
6809 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
6810 Add "const" as needed to remove warnings.
6812 * config/avr/avr.c (avr_override_options, avr_init_once,
6813 function_prologue, function_epilogue, frame_pointer_required_p,
6814 class_likely_spilled_p, order_regs_for_local_alloc,
6815 avr_address_cost, avr_ret_register): Use K&R style arguments.
6816 (initial_elimination_offset, gas_output_limited_string):
6817 Remove ATTRIBUTE_UNUSED from the used arguments.
6818 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
6819 Use local variables src, dest, base to access operands[].
6820 Rename reg_dest to reg_src if that's what it is.
6821 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
6822 constants to LD_REGS if reg_was_0.
6823 (output_reload_insisf): Change arg 3 to insn length and set it.
6824 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
6825 access to 16-bit I/O register pairs.
6826 (avr_address_cost): Lower cost for the above case.
6827 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
6828 may be clobbered, also for LD_REGS.
6829 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
6832 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
6834 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
6835 macro to test_hard_reg_class function.
6836 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
6837 for loading immediate constants to LD_REGS.
6838 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
6841 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
6843 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
6844 * config/avr/libgcc.S: Lost part of the previous patch.
6846 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6848 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
6849 object before calling pthread_mutex_init.
6851 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
6853 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
6854 config/sh/crtn.asm: New files.
6855 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
6856 (crt1.o, crti.o, crtn.o): New targets.
6857 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
6859 * configure: Rebuilt.
6860 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6861 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
6862 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6863 Undefine for config/elfos.h to redefine.
6864 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
6866 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6868 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
6869 legitimize_pic_address, output_pic_addr_const): Declare.
6870 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
6871 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
6872 (TARGET_SWITCHES): New switch -mprefergot.
6873 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
6874 (PIC_OFFSET_TABLE_REGNUM): Define.
6875 (GOT_SYMBOL_TABLE): Likewise.
6876 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
6877 (ENCODE_SECTION_INFO): Define.
6878 (FINALIZE_PIC): New macros.
6879 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
6880 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
6881 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
6882 (prepare_move_operands): Call emit_pic_move or
6883 emit_pic_const_move if appropriate.
6884 (output_far_jump): For PIC, use braf and output long offset.
6885 (machine_dependent_reorg):
6886 (sh_expand_prologue): Save and initialize the PIC register.
6887 (sh_expand_epilogue): Restore it.
6888 (initial_elimination_offset): Account for it.
6889 (nonpic_symbol_mentioned_p): New function.
6890 (legitimize_pic_address): Likewise.
6891 (output_pic_addr_const): Likewise.
6892 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
6893 (call, call_value): Use them.
6894 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
6895 symPLT_label2reg): New expands.
6896 * invoke.texi (SH Options): Document -mprefergot.
6898 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
6900 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
6901 * gcse.c (hash_string_1): New function.
6902 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
6903 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
6904 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
6905 (canon_hash_string): New function.
6906 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
6907 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
6908 (fold_rtx): Use ASM_OPERANDS accessor macros.
6909 * emit-rtl.c (copy_insn_1): Likewise.
6910 * integrate.c (copy_rtx_and_substitute): Likewise.
6911 * stmt.c (expand_asm_operands): Likewise. Give an
6912 ASM_OPERANDS rtx the mode of the output reg being set from it.
6914 2000-09-01 Fred Fish <fnf@be.com>
6916 * fix-header.c (write_rbrac): Add putc and getc to list of
6917 functions to protect against prior definition as a macro.
6919 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
6921 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
6922 (c_size_type_node): Define.
6923 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
6924 * c-common.c (enum format_lengths, enum format_std_version,
6925 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
6926 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
6927 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
6928 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
6929 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
6930 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
6931 format_types): Define.
6932 (format_char_info, print_char_table, scan_char_table,
6933 time_char_table): Rearrange for new organization of information
6934 about format length modifiers and standard versions.
6935 (T_ST): Redefine to use c_size_type_node.
6936 (check_format_info): Obtain information about length modifiers and
6937 standard versions from tables. Adjust warning message wordings.
6938 Use the name from the user's program for `ll' and `hh' length
6939 modifiers in warning messages. Use more informative names for
6940 wanted types where available (for wchar_t, wint_t, size_t, signed
6941 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
6943 2000-09-01 Jim Wilson <wilson@cygnus.com>
6945 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
6946 * combine.c (distribute_notes): Handle REG_NORETURN.
6947 * rtl.c (reg_note_name): Add REG_NORETURN.
6948 * rtl.h (enum reg_note): Likewise.
6950 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
6952 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
6953 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
6954 (emit_predicate_relation_info): Handle conditional calls with
6956 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
6957 instead of ia64_file_start.
6958 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
6959 * config/ia64/ia64.md (safe_across_calls_all,
6960 save_across_calls_normal): New patterns.
6962 * loop.c (check_final_value): Check for biv use before checking for
6963 giv use. Check for both biv and giv uses. Always set last_giv_use
6964 if there is a giv use.
6966 2000-09-01 Richard Henderson <rth@cygnus.com>
6968 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
6969 (madddi3): Likewise.
6972 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6974 * expr.c (clear_storage): Don't use emit_move_insn unless
6975 either BLKmode or proper size.
6976 (store_constructor): Don't call clear_storage if REG of wrong size.
6978 * flow.c (init_propagate_block_info): Don't mark frame dead at end
6979 of function if returns wiht stack pointer depressed.
6981 2000-09-01 Andrew Haley <aph@redhat.com>
6983 * dwarf2out.c (stack_adjust_offset): New function.
6984 (dwarf2out_stack_adjust): Break out stack adjust logic into
6985 new stack_adjust_offset function. Look inside parallels and
6986 sequences for stack adjustments.
6988 2000-08-31 Jeff Law <law@cygnus.com>
6990 * arm.md: Use no_new_pseudos to determine when it is safe
6991 to create new pseudo registers.
6993 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
6994 when we can safely allocate new registers.
6996 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
6998 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
6999 so that CONCATs are not generated for ASMs.
7000 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
7001 not generating_concat_p.
7002 * function.c (pop_function_context_from): Reset
7003 generating_concat_p.
7004 (prepare_function_start): Likewise.
7005 * rtl.c (generating_concat_p): Define.
7006 * rtl.h (generating_concat_p): Declare.
7007 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
7009 2000-08-22 Philipp Thomas <pthomas@suse.de>
7010 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
7012 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
7015 2000-08-30 Greg McGary <greg@mcgary.org>
7017 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
7018 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
7019 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
7021 2000-08-30 Greg McGary <greg@mcgary.org>
7023 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
7024 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
7025 (TREE_INT_CST): New macro.
7026 * varasm.c (const_hash, compare_constant_1, record_constant_1):
7027 Use new macro TREE_INT_CST.
7029 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
7031 * contrib.texi: Add self.
7033 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
7035 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
7036 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
7039 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7041 * fixinc/gnu-regex.c: Don't define `const'.
7043 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7045 * expr.c (store_constructor): Allow variable bounds of array type.
7046 (expand_expr): Don't blow up if type is ERROR_MARK.
7047 * varasm.c (output_constructor): Don't access lower bound of array
7048 type unless need it if index is supplied (so it can be a variable
7049 if no index is supplied).
7050 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
7051 Other minor cleanups.
7053 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7055 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
7056 for compilations in stage 1 and subsequent stages, respectively.
7057 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
7058 * configure: Rebuilt.
7059 * x-vax, x-vax-gcc: Deleted.
7061 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7063 * c-common.c (declare_function_name): Use func_id_node,
7064 function_id_node, and pretty_function_id_node. Do not make
7065 __func__ visible at file scope.
7066 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
7067 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
7068 (function_id_node, pretty_function_id_node, func_id_node): New
7070 * c-decl.c (init_decl_processing): Initialize function_id_node,
7071 pretty_function_id_node, and func_id_node.
7072 (c_make_fname_decl): Correct comment.
7074 * tree.h (struct tree_identifier): Constify pointer member.
7076 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
7077 * c-pragma.h (struct weak_syms): Constify name and value members.
7078 (add_weak): Constify arguments.
7080 * calls.c (special_function_p): Constify a char *.
7081 (expand_call): Remove variable which is initialized and then
7083 * dependence.c (struct def_use, struct induction, struct subscript):
7084 Constify 'variable' member.
7085 (get_low_bound, have_induction_variable): Constify char * argument.
7086 (find_induction_variable): Add braces to avoid dangling else.
7087 (classify_dependence): Constify char * arrays.
7088 * profile.c (output_func_start_profiler): Constify a char *.
7089 * stor-layout.c (finalize_record_size): Constify a char *.
7090 * tree.c (is_attribute_p): Constify a char *.
7091 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
7093 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
7094 for comprehensibility. Do not call get_identifier if we did
7095 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
7096 create temporary string constants, not ggc_alloc_string. No
7097 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
7098 char * to hold IDENTIFIER_POINTERs.
7100 2000-08-29 Richard Henderson <rth@cygnus.com>
7102 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
7105 2000-08-29 Richard Henderson <rth@cygnus.com>
7107 * reload.c (push_secondary_reload): Allow class == reload_class
7108 if we're using a reload_in/out pattern.
7110 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
7111 the half that does not conflict with the reload register.
7112 (reload_outti): Likewise.
7114 2000-08-29 Kazu Hirata <kazu@hxi.com>
7116 * reload.c: Fix formatting.
7118 * stmt.c: Fix formatting.
7120 * gcc.c: Fix formatting.
7122 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7124 * flags.h (time_report, mem_report): New global flags.
7125 * toplev.c: Define time_report and mem_report.
7126 (f_options): Add -ftime-report and -fmem-report.
7127 (compile_file): Turn on time_report if quiet_flag is off.
7128 Call ggc_print_statistics at very end if mem_report is on.
7129 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
7131 * ggc-common.c (ggc_print_statistics): Rename to
7132 ggc_print_common_statistics; all callers changed. Scale
7133 quantities above 10K to kilobytes and above 10M to megabytes.
7134 * ggc-page.c (ggc_page_print_statistics): Rename to
7135 ggc_print_statistics. Report memory consumed by internal data
7136 structures for each allocation bucket. Scale quantities above
7137 10K to kilobytes and above 10M to megabytes.
7138 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
7139 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
7140 Define tally_leaves always.
7141 (ggc_print_statistics): New function.
7142 * ggc.h: Adjust for renamed functions.
7144 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
7146 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
7147 output_movsisf instead of which_alternative.
7149 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
7151 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
7153 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
7154 (avr_progmem_p): New prototype.
7155 (output_movsisf): Prototype declaration changed.
7156 (output_movqi): New prototype.
7157 (output_movhi): New prototype.
7158 (call_insn_operand): Likewise.
7159 (final_prescan_insn): Likewise.
7160 (avr_simplify_comparision_p): Likewise.
7161 (avr_normalize_condition): Likewise.
7162 (compare_eq_p): Likewise.
7163 (out_shift_with_cnt): Likewise.
7164 (const_int_pow2_p): Likewise.
7165 (output_reload_inhi): Prototype declaration changed.
7167 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
7168 (ldi_reg_rtx): New. rtx for r31.
7169 (avr_init_stack): Initialize as "__stack".
7170 (function_prologue): Use it.
7171 Replace all TARGET_ENHANCED with AVR_ENHANCED.
7172 (avr_mcu_name): Initialize as "avr2".
7173 (avr_enhanced_p, avr_mega_p): New variables.
7174 (mcu_types, avr_override_options): Handle all known MCU types.
7175 Also handle avr1 (only preprocess, assemble and link).
7176 (print_operand): Using of `%K' in output template removed.
7177 (out_movqi_r_mr): Optimized.
7178 (out_movhi_r_mr): Likewise.
7179 (output_movqi): New function.
7180 (output_movhi): Likewise.
7181 (out_movsi_r_mr): Optimized.
7182 (output_movsisf): Compute insn length for `adjust_insn_length'
7183 (out_movqi_mr_r): Optimized.
7184 (out_movhi_mr_r): Optimized.
7185 (adjust_insn_length): Use output_movsisf, output_movqi,
7186 output_movhi for insn length adjusting.
7187 (reg_unused_after): Use dead_or_set_p.
7188 (preferred_reload_class): Now havn't any restriction.
7189 (reg_was_0): New function.
7190 (io_address_p): Likewise.
7191 (const_int_pow2_p): Likewise.
7192 (output_reload_inhi): Likewise.
7193 (output_reload_insisf): Likewise.
7195 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
7196 (LIB_SPEC): Use -lc for all supported devices.
7197 (LIBGCC_SPEC): Use -lgcc for all supported devices.
7198 (AVR_MEGA): Define as avr_mega_p.
7199 (AVR_ENHANCED): New, define as avr_enhanced_p.
7200 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
7201 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
7202 (CRT_BINUTILS_SPECS): Handle all known MCU types.
7203 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
7204 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
7205 (ASM_SPEC): Pass -mmcu=... to the assembler.
7206 Change all -DAVR_* to -D__AVR_*__.
7207 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
7208 Rename library functions to start with two underscores.
7209 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
7211 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
7212 (SUPPORTS_WEAK): Likewise.
7213 (LDI_REG_REGNO): New. Register r31 will be used as temporary
7214 register for loading constants to r0-r14.
7216 * config/avr/avr.md: Replace all TARGET_ENHANCED with
7218 (*mov_r_sp): Removed. Handled by output_movhi.
7219 (*mov_sp_r): Likewise.
7220 (*mov_sp_r_no_interrupts): Likewise
7221 (*mov_sp_r_tiny): Likewise.
7222 (*movqi): Use output_movqi.
7223 (*reload_inqi): New.
7224 (*movhi): Use output_movhi.
7225 (*reload_inhi): New.
7226 (*negsi2): Optimized.
7227 (*negsf2): Likewise.
7228 Added peepholes (define_peephole2) for loading constants to r0-r14
7229 and for using `cpse' command.
7231 * config/avr/libgcc.S: Rename library functions to start with two
7233 Add support for enhanced core.
7234 (_moqhi3): Fix typo, now _modqi3.
7235 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
7236 (__prologue_saves__): Remove test for stack adjust by 0.
7237 (__tablejump__): New.
7239 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
7240 Add multilib support.
7242 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
7244 * loop.c (prescan_loop): Don't check unknown_address_altered
7245 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
7246 to loop_store_mems as necessary.
7247 (loop_invariant_p): Don't check unknown_address_altered
7248 or unknown_constant_address_altered.
7250 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7252 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
7254 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7256 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
7257 print just the filename.
7258 * cpplex.c (_cpp_run_directive): Add additional argument, the
7259 name to give the synthetic buffer. This defaults to
7260 translated "<command line>".
7261 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7263 (_cpp_define_builtin): New function.
7264 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7265 * cpphash.h: Update prototypes.
7267 * tradcpp.c (main): Process -D and -U simultaneously, in the
7268 order they appeared on the command line.
7270 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7272 * c-decl.c (define_label): Call warning_with_file_and_line and
7273 error_with_file_and_line instead of plain warning or error.
7275 * c-parse.in (label): Use save_filename/save_lineno to ensure
7276 correct values for calls to define_label.
7278 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7280 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
7282 * expr.c (expand_expr, case TARGET_EXPR): Don't call
7284 * tree.h (get_file_function_name): Remove two duplicate
7287 2000-08-28 Kazu Hirata <kazu@hxi.com>
7289 * tree.c: Fix formatting.
7291 * xcoffout.c: Fix formatting.
7293 2000-08-28 Jason Merrill <jason@redhat.com>
7295 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
7297 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7299 * dwarf2out.c (dwarf2out_finish): Don't bother calling
7300 break_out_includes if it won't do anything.
7302 2000-08-28 Richard Henderson <rth@cygnus.com>
7304 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
7305 (find_reloads): Likewise.
7306 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
7307 (reload_inhi): Likewise.
7309 2000-08-28 Richard Henderson <rth@cygnus.com>
7311 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
7312 (call_insn_operand): Don't expect a surrounding mem.
7313 (constant_call_address_operand): Likewise.
7314 * config/i386/i386.h (PREDICATE_CODES): Update.
7315 * config/i386/i386.md (call patterns): Move the match_operand
7316 for the call destination inside the mem.
7318 2000-08-28 Richard Henderson <rth@cygnus.com>
7320 * local-alloc.c (requires_inout): Don't use reserved range for
7321 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
7322 * recog.c (asm_operand_ok): Likewise.
7323 (preprocess_constraints, constrain_operands): Likewise.
7324 * regclass.c (record_reg_classes): Likewise.
7325 * reload.c (find_reloads): Likewise.
7326 * reload1.c (maybe_fix_stack_asms): Likewise.
7327 (reload_cse_simplify_operands): Likewise.
7328 * stmt.c (expand_asm_operands): Likewise.
7330 * md.texi: Update constraints documentation.
7331 * tm.texi (EXTRA_CONSTRAINT): Update.
7333 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7335 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
7336 (print_die): If we don't know the offset of the
7337 target die, try the symbol. Add a trailing newline.
7338 (reverse_all_dies): New fn.
7339 (dwarf2out_finish): Call it.
7340 (break_out_includes): Reorganize for clarity.
7341 (add_sibling_attributes): Don't call reverse_die_lists.
7342 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
7344 * flags.h: Add flag_eliminate_dwarf2_dups.
7345 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
7347 2000-08-28 Jason Merrill <jason@redhat.com>
7349 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
7350 * dwarf2out.c: #include "md5.h".
7351 (DIE_LABEL_PREFIX): New macro.
7352 (dw_val_struct): Add 'external' flag to val_die_ref.
7353 (add_AT_die_ref, AT_ref): Adjust.
7354 (AT_ref_external, set_AT_ref_external): New fns.
7355 (build_abbrev_table): Call set_AT_ref_external.
7356 (value_format): Call AT_ref_external.
7357 (die_struct): Add die_symbol field.
7358 (new_die): Clear it.
7359 (dwarf_tag_name): Handle BINCL/EINCL.
7360 (dwarf2out_start_source_file): Add BINCL DIE.
7361 (dwarf2out_end_source_file): Add EINCL DIE.
7362 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
7363 (loc_checksum, attr_checksum, die_checksum): New fns.
7364 (is_type_die, is_comdat_die, is_symbol_die): New fns.
7365 (compute_section_prefix, assign_symbol_names): New fns.
7366 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
7367 (output_die): Call output_die_symbol and AT_ref_external.
7368 (output_comdat_comp_unit): New fn, split out from...
7369 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
7371 (output_pubnames, output_aranges): Abort if we see entries from
7373 * toplev.h: Declare file_name_nondirectory.
7374 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
7375 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
7376 (debug_start_source_file): Call dwarf2out_start_source_file
7377 regardless of debug verbosity.
7378 (debug_end_source_file): Similarly.
7379 * tree.h: Declare clean_symbol_name.
7380 * tree.c (clean_symbol_name): Split out from...
7381 (get_file_function_name_long): ...here.
7383 * dwarf2out.c (new_loc_descr): Use calloc.
7384 (splice_child_die): Remove the die from the right parent.
7385 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
7387 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7389 * toplev.c (decode_g_option): Don't give warning for unknown -g
7390 option; return 0 instead.
7391 (main): If -g option is not recognized by front end or
7392 language-independent code, give warning.
7394 2000-08-28 Greg McGary <greg@mcgary.org>
7396 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
7397 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
7398 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
7400 2000-08-27 Greg McGary <greg@mcgary.org>
7402 * cpplex.c (parse_string): Don't look for backslash
7403 before first char in `namebuf'.
7404 * loop.c (strength_reduce): Skip NOTEs.
7406 2000-08-27 Jason Merrill <jason@redhat.com>
7408 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
7409 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
7410 TREE_ASM_WRITTEN, either.
7411 (finish_decl): Adjust.
7413 2000-08-28 Philipp Thomas <pthomas@suse.de>
7415 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
7416 they have been incorporated into the gettext CVS. Change the text to
7417 reflect the current status of NLS. Add instructions for accessing
7418 the gettext CVS and add the patch from Martin v. Loewis.
7420 2000-08-27 Geoff Keating <geoffk@cygnus.com>
7422 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
7423 by using gen_lowpart_common.
7424 (movdi_internal64+6): Likewise.
7426 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
7428 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
7431 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
7432 numbers to the ranges used by GDB.
7434 2000-08-25 Richard Henderson <rth@cygnus.com>
7436 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
7437 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
7438 (ia64_expand_prologue): Likewise.
7439 (ia64_setup_incoming_varargs): Set it. Properly skip the current
7440 argument for stdargs.
7442 2000-08-25 Jason Merrill <jason@redhat.com>
7444 * integrate.c (expand_inline_function): Pull out the original decl.
7446 2000-08-25 Jim Wilson <wilson@cygnus.com>
7448 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
7450 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
7452 2000-08-25 Greg McGary <greg@mcgary.org>
7454 * flow.c (dump_edge_info): Use ARRAY_SIZE.
7455 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
7457 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
7459 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
7461 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
7463 * i386.c (ix86_find_base_term): New.
7464 * i386-protos.h (ix86_find_base_term): Prototype.
7465 * i386.h (FIND_BASE_TERM): Define.
7466 * alias.c (find_base_term): Use it.
7467 * tm.texi (FIND_BASE_TERM): Document it.
7469 * alias.c (true_dependence, write_dependence_p): Unchanging
7470 memory can't conflict with non-unchanging memory.
7472 * alias.c (memrefs_conflict_p): A BLKmode reference
7473 to a symbol (or CONST_INT address) always conflicts
7474 with a reference to another symbol.
7476 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
7478 * c-common.c (time_char_table): Don't allow width and flags with
7481 2000-08-25 Jakub Jelinek <jakub@redhat.com>
7483 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
7484 way as LT and LTU when the second operand has 0 in low word.
7486 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7488 * basic-block.h (struct loop): Rename `exits' field to
7489 `exit_edges'. Add `entry_edges' and `num_entries' fields.
7491 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
7492 (flow_loop_entry_edges_find): Add.
7493 (flow_edge_list_print): Rename from flow_exits_print.
7494 (flow_loops_find): Call flow_loop_entry_edges_find.
7495 (flow_loop_dump): Dump entry_edges list.
7496 (flow_loops_free): Free entry_edges.
7498 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7500 * loop.c (loop_dump_aux, debug_loop): New functions.
7501 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
7503 * flow.c (flow_loops_dump): Add callback parameter.
7504 (flow_loop_dump): Add callback parameter and call it. Move
7505 loop note debugging code to loop_dump_aux.
7507 * basic-block.h (flow_loop_dump): Add callback parameter
7508 (flow_loops_dump): Likewise.
7510 * toplev.c (rest_of_compilation): Add NULL callback function pointer
7511 to call to flow_loops_dump.
7513 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7515 * loop.c (count_loop_regs_set): Replace start and end arguments
7516 with loop argument. All callers udated.
7518 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7520 * loop.c (constant_high_bytes): Delete.
7522 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7524 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
7525 and NOTE_INSN_LOOP_VTOP to...
7526 (find_and_verify_loops) ...here.
7528 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
7530 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
7531 (fini_dummy, init_dummy): Use it.
7533 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
7535 * cpplex.c (is_macro_disabled): Caller has already checked
7536 that we're not a preprocessed file.
7538 2000-08-24 Mark Mitchell <mark@codesourcery.com>
7540 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
7541 (c-iterate.o): Remove target.
7542 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
7543 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
7544 (finish_decl): Don't handle iterators.
7545 (grokdeclarator): Likewise.
7546 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
7547 * gcc/c-gperf.h: Regenerated.
7548 * gcc/c-iterate.c: Removed.
7549 * gcc/c-lex.c (init_lex): Don't handle iterators.
7550 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
7551 (compstmt_primary_start): Remove push_iterator_stack call.
7552 (stmt): Don't allow iterator statements. Replace iterator_expand
7553 with expand_expr_stmt.
7554 (all_iter_stmt): Remove.
7555 (all_iter_stmt_simple): Likewise.
7556 (all_iter_stmt_with_decl): Likewise.
7557 * gcc/c-tree.h (ITERATOR_P): Remove.
7558 (ITERATOR_BOUND_P): Likewise.
7559 (init_iterators): Remove declaration.
7560 (iterator_expand): Likewise.
7561 (iterator_for_loop_start): Likewise.
7562 (iterator_for_loop_end): Likewise.
7563 (iterator_for_loop_record): Likewise.
7564 (push_iterator_stack): Likewise.
7565 (pop_iterator_stack): Likewise.
7566 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
7567 (readonly_warning): Likewise.
7568 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
7570 2000-08-24 Jim Wilson <wilson@cygnus.com>
7572 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
7573 Copy type in a TYPE_DECL, just like pushdecl does.
7575 2000-08-24 Richard Henderson <rth@cygnus.com>
7577 * toplev.c (main): Enable flag_reorder_blocks at -O2.
7579 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7581 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
7582 asked for one page, allocate GGC_QUIRE_SIZE of them and put
7583 the extras on the free list.
7584 (release_pages): Clean up.
7585 (ggc_set_mark): Don't adjust G.allocated here...
7586 (sweep_pages): ... do it here.
7588 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7590 * cppfiles.c (read_include_file): Rearrange initializations.
7592 2000-08-24 Richard Henderson <rth@cygnus.com>
7594 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
7596 * config/ia64/ia64-protos.h: Update.
7597 * config/ia64/ia64.c (gr_register_operand): New.
7598 (fr_register_operand, grfr_register_operand): New.
7599 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
7600 (grfr_reg_or_8bit_operand): New.
7601 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
7602 use gr_register_operand.
7603 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
7604 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
7605 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
7606 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
7607 (fr_reg_or_fp01_operand): Likewise.
7608 (not_postinc_memory_operand): New.
7609 (ia64_split_timode): Remove unused variables.
7610 (rtx_needs_barrier): Check arguments to cmpxchg.
7611 (builtin_description): Remove.
7612 (bdesc_2argsi, bdesc_2argdi): Remove.
7613 (ia64_init_builtins): Declare all builtins directly.
7614 (ia64_expand_fetch_and_op): Rewrite to be called from
7615 ia64_expand_builtin directly. Use expand_binop and co.
7616 (ia64_expand_op_and_fetch): Likewise.
7617 (ia64_expand_compare_and_swap): Likewise.
7618 (ia64_expand_binop_builtin): Remove.
7619 (ia64_expand_lock_test_and_set): New.
7620 (ia64_expand_lock_release): New.
7621 (ia64_expand_builtin): Use them.
7622 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
7623 (EXTRA_CONSTRAINT): Use it.
7624 (PREDICATE_CODES): Update.
7625 * config/ia64/ia64.md (*): Use gr_register_operand and co.
7626 (mf): Indicate that we set memory as well as use it.
7627 (fetchadd_acq_si): Show memory being modified as well.
7628 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
7629 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
7630 (lock_test_and_set_si, lock_test_and_set_di): Remove.
7631 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
7632 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
7633 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
7634 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
7635 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
7636 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
7637 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
7638 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
7639 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
7640 return type. Pretty print definitions.
7642 2000-08-24 Jim Wilson <wilson@cygnus.com>
7644 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
7645 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
7647 2000-08-24 Jason Merrill <jason@redhat.com>
7649 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
7650 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
7651 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
7652 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
7654 2000-08-24 Greg McGary <greg@mcgary.org>
7656 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
7657 and extendtab within their proper array boundaries.
7658 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
7659 for the entire array.
7661 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
7662 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
7663 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
7664 * config/fr30/fr30.c (fr30_print_operand): Likewise.
7665 * config/i386/dgux.c (output_options): Likewise.
7666 * config/i386/dgux.h (ASM_FILE_START): Likewise.
7667 * config/m88k/m88k.c (output_options): Likewise.
7668 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
7669 * config/mcore/mcore.c (mcore_output_inline_const_forced,
7670 layout_mcore_frame, handle_structs_in_regs): Likewise.
7671 * config/mips/mips.c (output_block_move): Likewise.
7672 * config/rs6000/rs6000.c (rs6000_override_options,
7673 rs6000_file_start): Likewise.
7674 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
7675 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
7676 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
7677 * builtins.c (expand_builtin_setjmp): Likewise.
7678 * expr.c (safe_from_p): Likewise.
7679 * flow.c (life_analysis): Likewise.
7680 * fold-const.c (size_int_type_wide): Likewise.
7681 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
7682 * genattrtab.c (make_length_attrs): Likewise.
7683 * genopinit.c (gen_insn): Likewise.
7684 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
7685 * global.c (global_alloc): Likewise.
7686 * local-alloc.c (find_free_reg): Likewise.
7687 * mips-tdump.c (print_symbol): Likewise.
7688 * mips-tfile.c (parse_def, parse_input): Likewise.
7689 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
7690 * stmt.c (expand_nl_goto_receiver): Likewise.
7691 * stor-layout.c (set_sizetype): Likewise.
7692 * varasm.c (decode_reg_name): Likewise.
7693 * toplev.c (decode_f_option, decode_W_option,
7694 set_target_switch, print_switch_values): Likewise.
7695 (NUM_ELEM): Remove macro.
7696 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
7698 2000-08-24 Greg McGary <greg@mcgary.org>
7700 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
7701 (MAIN_NAME_P, main_identifier_node): New macros.
7702 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
7703 * c-decl.c (start_decl, grokdeclarator, start_function,
7704 store_parm_decls, finish_function): Use MAIN_NAME_P.
7705 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
7706 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
7707 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7708 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
7710 2000-08-24 Greg McGary <greg@mcgary.org>
7712 * cppfiles.c (actual_directory): Don't write beyond `dir'
7713 when it contains "".
7714 * real.c (asctoeg): Stay within bounds of etens[][].
7716 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7718 * dependence.c (dependence_string, direction_string,
7719 dump_one_node, dump_node_dependence): Hide unused identifiers.
7720 (get_low_bound, normalize_coefficients): Match definition to
7722 (get_one_coefficient): Initialize variables `value0_is_idx' and
7724 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
7725 (ziv_test): Delete variable `idx', use parameter `sub' instead.
7726 (direction_merge): Avoid automatic aggregate initialization.
7727 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
7728 Initialize variables `dest_idx' and `src_idx'.
7729 (end_dependence_analysis): Avoid C89 style function definition.
7731 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
7733 * c-common.c (time_char_table): Don't allow width with %F.
7734 (check_format_info): Don't allow "Z" length with scanf.
7736 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
7738 * diagnostic.c (finish_diagnostic): Define.
7739 (output_do_printf): Use wrap_text instead of output_add_string.
7740 (default_print_error_function): Avoid embedded '\n'.
7742 * diagnostic.h (flush_diagnostic_buffer): Declare.
7744 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
7746 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
7748 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
7750 * Makefile.in (GCC_PASSES): Add specs.
7752 2000-08-23 Jim Wilson <wilson@cygnus.com>
7754 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
7755 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
7756 EHANDLER nor UHANDLER bit is set.
7757 (__get_except_table): Likewise.
7759 2000-08-23 Nick Clifton <nickc@redhat.com>
7761 * config/arm/lib1funcs.asm: Replace upper case condition codes
7762 with lower case versions.
7764 * config/arm/arm.h (STRUCT_VALUE): Define.
7765 (STRUCT_VALUE_REGNUM): Delete.
7767 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
7769 * cpphash.h (IN_I): New flag for directive table.
7770 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
7772 (_cpp_check_directive): If -fpreprocessed, execute directives
7773 marked with IN_I. Issue no warnings in this case.
7774 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
7776 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
7778 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
7780 (check_format_info): Support printf 'I' flag; warn about it with
7783 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
7785 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
7786 barrier can't be ignored by the alias analysis code.
7788 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
7790 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
7791 works inside fixincl.
7793 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
7795 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
7796 simplify_relational_operation() unless both operands are of
7798 * cse.c (fold_rtx): Likewise.
7800 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
7802 * rtlanal.c (rtx_unstable_p): The pic register is stable
7803 (within one function) and the actual rtx should be used
7804 when checking the registers.
7805 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
7807 * alias.c (true_dependence, write_dependence_p): Fix
7808 bug in previous patch.
7810 * i386.c (ix86_GOT_alias_set): New.
7811 (legitimize_pic_address): Use it.
7813 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
7814 only stable if its address is stable.
7815 (rtx_varies_p): An unchanging MEM can't vary if
7816 its address doesn't vary.
7818 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7820 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
7822 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7824 * vax.h (ASM_SPEC): Pass `-J' to assembler.
7825 * x-vax-gcc: New file for bootstrapping with gcc.
7826 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
7827 * configure.in: Use x-vax-gcc with gcc.
7828 * configure: Rebuilt.
7830 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7832 * toplev.c (rest_of_compilation): Rebuild label notes after
7833 post-reload splitting pass if new labels have been created.
7835 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7837 * diagnostic.h (output_buffer_state): New macro.
7838 * diagnostic.c (diagnostic_for_decl, sorry,
7839 default_print_error_function, output_do_verbatim,
7840 report_diagnostic, report_problematic_module): Use it.
7842 (output_format): Use wrap_text instead of maybe_wrap_text.
7844 2000-08-22 Nick Clifton <nickc@redhat.com>
7846 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
7847 Common code for ARM divide and modulus functions.
7848 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
7850 (FUNC_END): New macro: Common code at the end of the division and
7852 (THUMB_FUNCTION_START): New macro: Common code at the start of
7854 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
7856 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
7858 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
7860 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
7861 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
7864 2000-08-22 Nick Clifton <nickc@redhat.com>
7866 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
7867 restorative additions, test for bottom bits of IP being set,
7868 rather than relying upon the RORs not matching.
7871 2000-08-22 David Edelsohn <edelsohn@gnu.org>
7873 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
7874 text_section() as appropriate instead of emitting text csect
7876 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
7877 (UNIQUE_SECTION): Define macro.
7878 (ASM_OUTPUT_SECTION_NAME): Define macro.
7879 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
7880 on AIX if debugging and -fdata-sections always.
7882 2000-08-22 Steven King <sxking@uswest.net>
7884 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
7886 (LDBL_MAX): Same here.
7888 2000-08-22 Richard Henderson <rth@cygnus.com>
7890 * flow.c (tidy_fallthru_edge): Update b->end properly.
7892 2000-08-22 Stan Cox <scox@redhat.com>
7894 * Makefile.in (OBJS): Add dependence.o.
7895 * dependence.c: New file.
7897 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
7899 * calls.c (check_sibcall_argument_overlap_1): Adjust for
7901 (check_sibcall_argument_overlap): Likewise.
7903 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
7905 * invoke.texi (SH Options): Document -m4-nofpu,
7906 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
7907 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
7909 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
7911 * c-common.c (check_format_info): Give the 'some locales' warning
7912 for strftime %Ey rather than the unconditional 'only last 2 digits
7915 2000-08-22 Richard Henderson <rth@cygnus.com>
7917 * alias.c (init_alias_analysis): Do not register
7918 struct_value_incoming_rtx or static_chain_rtx as pointing
7921 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
7923 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
7925 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7927 * diagnostic.h (report_problematic_module): Declare.
7928 * diagnostic.c (report_problematic_module): New function.
7929 (report_error_function): Tweak.
7931 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7933 * stmt.c (expand_goto_internal, fixup_gotos): Only check
7934 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7936 2000-08-21 Richard Henderson <rth@cygnus.com>
7938 * flow.c (calculate_global_regs_live): Mark frame pointer live
7939 everywhere before reload.
7941 2000-08-21 Jim Wilson <wilson@cygnus.com>
7943 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
7944 INTEL_EXTENDED_IEEE_FORMAT.
7945 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
7946 clear last two bytes of output FP value.
7948 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
7950 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
7952 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7954 * unroll.c (loop_find_equiv_value): If ret is modified between
7955 insn and loop_start, ret might not be equivalent to reg.
7957 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7959 * c-common.c (init_dollar_format_checking,
7960 maybe_read_dollar_number, finish_dollar_format_checking): New
7962 (dollar_arguments_used, dollar_arguments_count,
7963 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
7965 (check_format_info): Support $ formats for scanf and printf width
7966 and precision. Always increment format_chars to advance past the
7967 '*' of precision, not just when the format parameters are
7970 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7972 * mips.c (block_move_loop, expand_block_move,
7973 function_arg_partial_nregs, save_restore_insns, function_prologue,
7974 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
7976 (function_arg_advance, function_arg): Match argument to format
7979 2000-08-21 Nix <nix@esperi.demon.co.uk>
7981 * gcc.c (do_spec_1): Implement %j spec flag.
7982 Remove dead comment.
7984 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
7985 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
7986 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
7987 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
7989 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
7990 writable) instead of hardcoded value.
7992 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
7994 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
7997 * gcc.c (cc1_options): Do not process -o or run the assembler if
7999 * objc/lang-spec.h: Likewise.
8001 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
8003 * fixinc/fixincl.c (fix_with_system): Pipe the output of
8004 "external" fixes through `cat', to avoid truncating the input
8005 file by redirection.
8007 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8009 * config/i386/i386.md (lea_general_1): Copy insn condition to split
8011 (lea_general_2, lea_general_3): Likewise.
8013 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8015 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
8016 warnings to user code.
8018 * c-lex.c (readescape, yylex): Likewise.
8020 * c-typeck.c (store_init_value, process_init_element): Likewise
8021 (c_expand_start_case): Format.
8023 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
8025 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
8027 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
8028 and linker_endian_spec to endian_spec.
8029 (ENDIAN_SPEC): Add %{EB} and %{EL}.
8030 (LINK_SPEC): Remove %{EB} and %{EL}.
8031 (ASM_SPEC): Likewise. Use %(endian_spec).
8033 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8035 * c-tree.h (flag_hosted): Move declaration from here...
8036 * c-common.h (flag_hosted): ... to here.
8037 (flag_noniso_default_format_attributes): New declaration.
8038 * c-decl.c (flag_noniso_default_format_attributes): New variable.
8039 (c_decode_option): Set it appropriately for options choosing
8040 language standard variant.
8041 * c-common.c (init_function_format_info): Only provide default
8042 format attributes if flag_hosted. Only provide the gettext
8043 formats if flag_noniso_default_format_attributes. Update
8045 (check_format_info): Disable treatment of %a as a scanf flag in
8048 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8050 * c-common.c (scan_char_table): Add 'w' to flags for all formats
8052 (check_format_info): Set 'wide' for scanf format widths. Warn for
8053 a zero scanf width. Make the check for writing into a constant
8054 object at the first level of indirection; at later levels, warn if
8055 any type qualifiers are encountered.
8057 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
8059 * reload.c (reload_inner_reg_of_subreg): New function broken out of
8061 (push_reload): Use reload_inner_reg_of_subreg.
8062 (combine_reloads): Do not combine reloads if the input reload
8063 is a SUBREG in which the inner part will need reloading.
8065 * global.c (global_alloc): Avoid passing dumpfile argument to
8067 * toplev.c (rest_of_compilation): Likewise.
8068 * reload.h (reload): Remove dumpfile argument. Callers changed.
8069 (debug_reload, debug_reload_to_stream): Move prototypes here.
8070 * rtl.h (reload): Remove dumpfile argument.
8071 * reload.c (debug_reload): Remove prototype.
8072 (debug_reload_to_stream): Likewise.
8073 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
8076 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8078 * diagnostic.c (context_as_prefix): Export.
8079 (need_error_newline): Remove.
8080 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
8081 (error_module_changed, record_last_error_module,
8082 error_function_changed, record_last_error_function): New functions.
8083 (initialize_diagnostics): Default intialize
8084 lang_diagnostic_starter, lang_diagnostic_finalizer.
8085 (init_output_buffer): Tweak.
8086 (file_name_as_prefix): New function.
8087 (announce_function, default_print_error_function,
8088 report_error_function, set_diagnostic_context): Tweak.
8090 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
8092 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
8093 condition expression.
8095 2000-08-20 Richard Henderson <rth@cygnus.com>
8097 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
8099 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
8101 * cppinit.c (cpp_init): Set global flag when called.
8102 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
8104 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
8106 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
8107 before `process_directive' so that newlines won't be missed
8109 (cpp_printf): Increment `print->lineno' when newline is emitted.
8111 * cppmain.c (cb_ident): Likewise.
8112 (cb_define): Likewise.
8113 (cb_undef): Likewise.
8114 (cb_include): Likewise.
8115 (cb_def_pragma): Likewise.
8116 (dump_macros_helper): Likewise.
8118 2000-08-20 Richard Henderson <rth@cygnus.com>
8120 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
8121 assigned before a loop.
8123 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
8124 (ashrsi3, lshrsi3): Likewise.
8126 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8128 * c-lang.c: #include diagnostic.h
8129 (c_tree_printer): New function.
8130 (lang_init): Initialize lang_printer.
8132 * Makefile.in (c-lang.o): Depends on diagnostic.h
8134 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8136 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
8138 * diagnostic.c (default_diagnostic_starter,
8139 default_diagnostic_finalizer): New functions.
8140 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
8141 (pedwarn, pedwarn_with_file_and_line, error,
8142 error_with_file_and_line, fatal, warning,
8143 warning_with_file_and_line): Adjust call to report_diagnostic.
8144 (report_diagnostic): Rework.
8145 (set_diagnostic_context): New function.
8147 * diagnostic.h (struct diagnostic_context): New data structure.
8148 (diagnostic_message, diagnostic_argument_list,
8149 diagnostic_file_location, diagnostic_line_location,
8150 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
8151 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
8152 (set_diagnostic_context): Declare.
8153 (report_diagnostic): Change prototype.
8155 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
8157 * fix-header.c (main): Initialize cpplib.
8159 2000-08-19 Michael Meissner <meissner@redhat.com>
8161 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
8162 instructions in it before checking for indirect jumps.
8164 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
8165 in a indirect jump as a potential for conditional execution.
8167 * d30v.h (d30v_init_expanders): Don't declare here.
8168 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
8171 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
8173 * cpp.texi: Add @section for assertions.
8175 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
8177 * loop.c (scan_loop): Use CONST_CALL_P instead of
8178 checking for REG_LIBCALL / REG_RETVAL.
8180 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
8182 * reload1.c (reload_as_needed): Accept dumpfile argument,
8183 pass it to emit_reload_insns.
8184 (emit_reload_insns): Add new dumpfile argument. If non-null
8185 then dump the reloads for each insn into the dumpfile.
8186 (reload): Pass dumpfile to reload_as_needed.
8188 * invoke.texi: Clean up linux-gnu vs linux comments.
8190 2000-08-19 Richard Henderson <rth@cygnus.com>
8192 * config/ia64/ia64.c (reg_or_5bit_operand): New.
8193 (ia64_depz_field_mask): New.
8194 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
8195 (PREDICATE_CODES): Update.
8196 * config/ia64/ia64.md: Update commentary.
8197 (depz_internal): New.
8198 (ashlsi3): Implement directly.
8199 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
8200 (ashldi3): Use shladd.
8201 * config/ia64/ia64-protos.h: Update.
8203 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8205 * toplev.c (independent_decode_option): Always process -g.
8206 Remove third argument, now unused. Adjust caller to match.
8208 2000-08-18 Richard Henderson <rth@cygnus.com>
8210 * combine.c (make_compound_operation): Break after creating
8213 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8215 * cpplib.c (cpp_register_pragma_space): Just return if the
8216 namespace is already registered.
8218 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
8220 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
8221 constant amount. Do not generate ROTL instruction.
8223 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
8225 * config/sh/elf.h: Do not include sh/sh.h.
8226 * config/sh/rtems.h: Likewise.
8227 * config/sh/rtemself.h: Do not include sh/elf.h.
8228 * configure.in: Get them included with `tm_file's.
8229 * configure: Rebuilt.
8231 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
8232 * config/sh/sh.c (fpscr_set_from_mem): Use them.
8234 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8236 * stor-layout.c (compute_record_type): Don't use mode of single
8237 field as mode of record if not integer mode of same type.
8239 * regmove.c (perhaps_ends_bb_p): New function.
8240 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
8241 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
8242 (fixup_match_1): Likewise.
8243 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8244 avoid signed/unsigned warnings.
8246 * function.c (fixup_var_refs_1, case MEM): Update CODE after
8249 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
8251 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
8252 (_cpp_trigraph_map): Declaration moved from cpplex.c
8254 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
8255 instead of 256. Use consistent test for designated initializers.
8256 (cpp_init): Initialize trigraph_map.
8257 (initialize_standard_includes, parse_option): Use memcmp
8260 * cpplex.c (init_trigraph_map): Remove.
8261 (trigraph_ok, trigraph_replace, lex_line): Refer to
8264 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8265 (do_unassert): Remove unused "next" local.
8267 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8269 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8271 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8274 2000-08-17 Richard Henderson <rth@cygnus.com>
8276 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8277 the first insn in a sequence.
8279 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
8281 * alias.c (true_dependence, write_dependence_p): A read
8282 involving a label_ref or the constant pool doesn't create
8285 * rtl.h (unchanging): Improve documentation.
8287 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
8289 * cse.c (insert_regs): Remove unused `regno'.
8291 2000-08-17 Neil Booth <NeilB@earthling.net>
8293 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
8294 remove_dup_dirs. If qtail == brack, remove brack not
8296 (remove_dup_dir, remove_dup_dirs): New functions.
8298 2000-08-17 Neil Booth <NeilB@earthling.net>
8300 * cppinit.c (cpp_cleanup): Free include dir chains.
8301 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
8302 (do_unassert): Free the assert with _cpp_free_definition.
8303 * cppmacro.c (_cpp_free_definition): Free memory allocated for
8304 assertions. Make the node a T_VOID node.
8306 2000-08-17 Neil Booth <NeilB@earthling.net>
8308 * cppinit.c (path_include, append_include_chain):
8309 Remove 2nd parameter (struct cpp_pending *).
8310 (path_include, initialize_standard_includes, cpp_handle_option):
8311 Update callers appropriately.
8312 (cpp_handle_option): Use pend.
8314 2000-08-17 Neil Booth <NeilB@earthling.net>
8316 * cppinit.c (sort_options): Remove, put functionality in
8319 (initialize_builtins): Free memory.
8320 (cpp_start_read): Move init_IStable to cpp_init.
8322 * cpplib.h (cpp_init): New prototype.
8323 * cppmain.c (main): Call cpp_init.
8325 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
8327 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
8328 (rtx_unstable_p, rtx_varies_p): Process vectors.
8330 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8332 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
8333 references to GLOBAL symbols. Use LOCAL where appropriate.
8335 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8337 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
8338 use t-aix41 when host == target.
8340 2000-08-16 Richard Henderson <rth@cygnus.com>
8342 * reload.c (push_secondary_reload): Revert last change.
8343 If we use a reload_in/out pattern, make the when the same
8344 as the primary reload.
8345 (find_reloads): Likewise.
8347 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
8349 * configure.in (libstdcxx-v3): Fix test.
8350 * configure: Regenerate.
8352 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8354 * calls.c (calls_function_1, expand_call): Only test
8355 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8356 * function.c (thread_prologue_and_epilogue_insns): Likewise.
8358 2000-08-16 Richard Henderson <rth@cygnus.com>
8360 * combine.c (simplify_shift_const): Revert previous two
8361 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
8362 before the main loop.
8364 2000-08-15 Richard Henderson <rth@cygnus.com>
8366 * combine.c (simplify_shift_const): Bound shift count when
8369 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8371 * calls.c (ECF_SP_DEPRESSED): New macro.
8372 (calls_function_1): Treat calling sp-depressed function as alloca.
8373 (emit_call_1): Don't adjust SP if calling sp-depressed function.
8374 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
8375 If sp-depressed, ensure block saves and restores SP.
8376 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
8378 * function.c (keep_stack_depressed): New function.
8379 (thread_prologue_and_epilogue_insns): Call it.
8380 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
8381 to print DECL_OFFSET_ALIGN.
8382 Print no-force-blk and transparent-union flags properly.
8383 * stmt.c (expand_goto_internal): Don't restore stack if last block
8384 and function returns with sp depressed.
8385 (fixup_gotos): Likewise.
8386 (save_stack_pointer): New function, from code in expand_decl.
8387 (expand_decl): Call new function.
8388 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
8389 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
8390 (save_stack_pointer): New declaration.
8392 * diagnostic.c (fatal_function): New variable.
8393 (set_fatal_function): New function.
8395 * diagnostic.h (set_fatal_function): New declaration.
8397 2000-08-15 William Cohen <wcohen@redhat.com>
8399 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
8400 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
8401 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
8403 2000-08-15 Richard Henderson <rth@cygnus.com>
8405 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
8407 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8409 * arm.c (arm_function_ok_for_sibcall): New function.
8410 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
8411 * arm.md (call expanders): Don't check here for calls that can't
8414 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8416 * arm.md (splits generating cond_exec): Disable.
8418 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8420 * arm/linux-elf.h (text_section): Delete declaration.
8422 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8424 ARM support for unordered FP operations.
8425 * arm-protos.h (arm_comparison_operator): Declare.
8426 * arm.c (arm_comparison_operator): New function.
8427 (arm_select_cc_mode): Add unordered comparison codes.
8428 (get_arm_condition_code): Likewise.
8429 (arm_final_prescan_insn): Can't handle unordered jumps that can't
8430 be done in one insn.
8431 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
8432 * arm.md (all uses of comparison_operator): Replace with
8433 arm_comparison_operator.
8434 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
8436 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
8439 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8441 * gthr-posix.h: Conditionally include <sched.h>; include
8442 <config.h> from libobjc/.
8444 2000-08-14 Richard Henderson <rth@cygnus.com>
8446 * config/i386/i386.c (legitimize_pic_address): Use Pmode
8449 2000-08-14 Richard Henderson <rth@cygnus.com>
8451 * configure.in (ia64-*): Set float_format for i386 long double.
8453 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
8454 as we would for i386 XFmode.
8455 (PUT_REAL): Likewise.
8456 (endian, ereal_atof, real_value_truncate): Likewise.
8457 (ereal_isneg, toe64, etens, make_nan): Likewise.
8458 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
8460 * config/ia64/ia64-protos.h: Update.
8461 * config/ia64/ia64.c (general_tfmode_operand): New.
8462 (destination_tfmode_operand): New.
8463 (tfreg_or_fp01_operand): New.
8464 (ia64_split_timode): New.
8465 (spill_tfmode_operand): New.
8466 (ia64_expand_prologue): Use TFmode not XFmode.
8467 (ia64_expand_epilogue): Likewise.
8468 (ia64_function_arg): Likewise.
8469 (ia64_function_arg_advance): Likewise.
8470 (ia64_return_in_memory): Likewise.
8471 (ia64_function_value): Likewise.
8472 (ia64_print_operand): Likewise.
8473 (ia64_register_move_cost): Set GR<->FR to 5.
8474 (ia64_secondary_reload_class): Get GR for TImode memory op.
8475 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
8476 (ROUND_TYPE_ALIGN): Remove.
8477 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
8478 (INTEL_EXTENDED_IEEE_FORMAT): Define.
8479 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
8480 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
8481 (MODES_TIEABLE_P): Use TFmode, not XFmode.
8482 (CLASS_MAX_NREGS): Likewise.
8483 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
8484 (PREDICATE_CODES): Update.
8485 * config/ia64/ia64.md (movti): New.
8486 (movti_internal): Use a clobber for memory alternatives.
8487 (reload_inti, reload_outti): New.
8488 (movsfcc_astep): Predicate properly.
8489 (movdfcc_astep): Likewise.
8492 (extendsftf2, extenddftf2): New.
8493 (trunctfsf2, trunctfdf2): New.
8494 (floatditf2, fix_trunctfdi2): New.
8495 (floatunsditf2, fixuns_trunctfdi2): New.
8496 (addtf3, subtf3, multf3, abstf2): New.
8497 (negtf2, nabstf2, mintf3, maxtf3): New.
8498 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
8500 (fr_spill): Use TFmode, not XFmode.
8501 (fr_restore): Likewise.
8502 * config/ia64/lib1funcs.asm (__divtf3): New.
8503 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
8505 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8507 * cse.c (fold_rtx): Avoid empty body in an if-statement.
8509 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
8510 `U' integer constant suffix.
8512 * dwarf2out.c (add_subscript_info): Avoid empty body in an
8515 * sparc/sol2.h (__enable_execute_stack): Prototype.
8517 2000-08-14 David Edelsohn <edelsohn@gnu.org>
8519 * collect2.c: Remove use of AIX import file.
8521 * longlong.h: Test ARCH_PWR not ARCH_POWER.
8523 * rs6000.c (print_operand, case 'E'): Add else.
8525 2000-08-14 Richard Henderson <rth@cygnus.com>
8527 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
8528 (movdi_symbolic): New.
8530 2000-08-14 Jim Wilson <wilson@cygnus.com>
8532 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8533 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
8534 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8537 2000-08-14 Richard Henderson <rth@cygnus.com>
8539 * expr.c (emit_group_load): Don't force constants into registers.
8540 Special case source already in the correct mode.
8542 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
8544 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
8545 * fixinc/inclhack.def: Likewise.
8546 * fixinc/mkfixinc.sh: Likewise.
8547 * configure: Regenerate.
8548 * fixinc/fixincl.x: Regenerate.
8549 * install.texi: Document equivalence of linux and linux-gnu.
8551 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8553 * cse.c (insert_regs): Also in REG case: When finding an invalid
8554 value, and we make a new quantity, make sure that it won't be
8555 mistaken by for a valid one by mention_regs.
8557 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
8559 * h8300.md: Remove obsolete peepholes.
8561 2000-08-13 Kazu Hirata <kazu@hxi.com>
8563 * invoke.texi (H8/300 Options): Fix typos.
8564 * config/h8300.c: Fix formatting.
8565 * config/h8300.h: Fix comment typos.
8566 (OVERRIDE_OPTIONS): Fix formatting.
8568 * function.c: Fix formatting.
8570 * cse.c: Fix formatting.
8572 2000-08-13 Geoff Keating <geoffk@cygnus.com>
8574 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
8575 (attempt_auto_inc): Suppress parentheses warning.
8576 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
8577 * loop.c (load_mems): Remove `u' suffix in two places.
8578 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
8580 * config/rs6000/rs6000.h: Likewise.
8581 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
8582 __eabi dummy routine.
8583 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
8586 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
8587 not put stuff in .sdata unnecessarily.
8588 (rs6000_unique_section): New function.
8589 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
8590 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
8592 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
8593 arrays in C99. Don't try to look at DECL_REGISTER of a
8594 COMPONENT_REF. Don't complain twice about the same error.
8596 * fixinc/inclhack.def (aix_pthread): New fix.
8597 (aix_sysmachine): New fix.
8598 * fixinc/fixincl.x: Regenerate.
8600 * expr.c (expand_expr): Call convert_modes when turning a large
8601 multiply into a small one.
8603 2000-08-12 Geoff Keating <geoffk@cygnus.com>
8605 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
8606 the tree structure an exponent rather than an explicit alignment
8607 so it doesn't overflow.
8608 (SET_DECL_OFFSET_ALIGN): New macro.
8609 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
8610 rather than DECL_OFFSET_ALIGN.
8611 (place_field): Likewise.
8612 * expmed.c (store_bit_field): Abort on align==0 to avoid
8613 antisocial machine behaviour.
8615 2000-08-12 Richard Henderson <rth@cygnus.com>
8617 * sibcall.c (uses_addressof): Accept both addressof and
8618 current_function_internal_arg_pointer inside a mem.
8619 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
8620 if current_function_uses_addressof.
8621 * stmt.c (expand_return): Kill tail recursion and HAVE_return
8624 2000-08-11 Richard Henderson <rth@cygnus.com>
8626 * config/ia64/ia64.md (addsi3): Remove expander.
8627 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
8628 (*addsi3_shladd): New.
8630 2000-08-11 Richard Henderson <rth@cygnus.com>
8632 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
8633 (do_restore): Likewise.
8634 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
8635 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
8636 (rtx_needs_barrier): Track actual bit manipulation for
8637 ar.unat moves, gr_spill, and gr_restore.
8638 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
8639 (process_set): Don't handle varargs spills.
8640 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
8641 .mem.offset here instead of in process_set.
8642 (gr_restore): Likewise.
8644 2000-08-11 Richard Henderson <rth@cygnus.com>
8646 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
8648 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
8650 * gcc.texi (The Configuration File): Document
8651 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
8652 UPDATE_PATH_HOST_CANONICALIZATION.
8654 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8656 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
8657 unprototyped function pointer casts on integer constants.
8659 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
8661 * fixproto: Recognize DOS paths with drive letters as absolute paths.
8663 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
8665 * extend.texi (Volatiles): Fix typos.
8667 2000-08-11 Kazu Hirata <kazu@hxi.com>
8669 * flow.c: Fix formatting.
8671 2000-08-11 Richard Henderson <rth@cygnus.com>
8673 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
8674 pattern, always allocate a tertiary scratch register.
8676 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
8677 (reload_inhi): Likewise.
8679 2000-08-11 Richard Henderson <rth@cygnus.com>
8681 * function.c (put_reg_into_stack): Allow type to be NULL.
8682 (schedule_fixup_var_refs): Likewise.
8683 (gen_mem_addressof): Allow decl to be NULL.
8684 (put_addressof_into_stack): Likewise.
8686 * flow.c (merge_blocks_nomove): Be more careful about
8687 locating the beginning of block A.
8689 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
8691 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8696 * config.in: Reverted the check for <sched.h>.
8698 2000-08-10 Chris Demetriou <cgd@sibyte.com>
8700 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
8701 macros define the name of CTOR and DTOR sections.
8702 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8703 DTOR_LIST_END): Change to use attributes to specify
8705 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
8706 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8707 DTOR_LIST_END): Same as in mips/elf.h.
8709 2000-08-10 Drew Moseley <dmoseley@redhat.com>
8711 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
8712 disabling just crt0.o.
8714 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
8716 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
8717 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
8718 (EXTRA_SPECS): Add them.
8719 * arm/lib1funcs.asm: Support builds for interworking.
8720 Use macros to eliminate duplicated pieces of code.
8722 2000-08-10 Kazu Hirata <kazu@hxi.com>
8724 * h8300.c (expand_a_rotate): New.
8725 (emit_a_rotate): Likewise.
8726 (h8300_adjust_insn_length): Add support for the rotate insns.
8727 * h8300.md (rotlqi3): New.
8728 (*rotlqi3_1): Likewise.
8729 (rotlhi3): Likewise.
8730 (*rotlhi3_1): Likewise.
8731 (rotlhi3): Likewise.
8732 (*rotlhi3_1): Likewise.
8733 * h8300-proto.h: Add prototypes for expand_a_rotate and
8736 * h8300.c: Fix comment typos.
8737 (dosize): Declare the variable amount as unsigned.
8738 (get_shift_alg): Fix a comparison between signed and unsigned.
8739 (emit_a_shift): Likewise.
8740 (h8300_adjust_insn_length): Simplify the code.
8742 * c-decl.c: Fix formatting.
8744 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8746 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
8747 warning about non-traditional numeric constant suffixes.
8749 * cppexp.c (parse_number): Likewise.
8751 * invoke.texi: (-Wtraditional): Document new behavior.
8753 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8755 * gthr-posix.h: Include auto-host.h. Conditionally include
8757 * configure.in: Check for the <sched.h> header file.
8758 * config.in: Added define for HAVE_SCHED_H.
8760 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8762 * c-typeck.c (process_init_element): For -Wtraditional, warn about
8763 initialization of unions.
8765 * invoke.texi (-Wtraditional): Document new behavior.
8767 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
8769 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
8770 instead of extra_c_flags.
8771 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
8772 * configure: Regenerate.
8773 * config.in: Regenerate.
8775 * cpperror.c (cpp_type2name): New function.
8776 * cpplex.c (lex_line): If we issued an error for an invalid
8777 preprocessing directive, discard that logical line.
8778 * cpplib.c (do_line): Call a hook function if the current file
8779 is renamed by #line.
8780 (do_ident): Pass the contents of the string, not the entire
8781 token, to the callback function.
8782 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
8783 (cb.rename_file): New hook function.
8784 (cb.ident): Adjust prototype.
8785 (cpp_type2name): Prototype.
8786 * cppmacro.c (dump_macro_args): Correct precedence lossage.
8788 * cppmain.c (cb_ident): Update for changed interface.
8789 (cb_rename_file): New function.
8790 (main): Set rename callback.
8792 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
8794 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
8795 multi-word registers.
8797 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8799 * c-common.c (combine_strings, check_format_info): Refer to ISO C
8800 or ISO C89 instead of ANSI C.
8801 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
8802 build_enumerator, do_case): Likewise.
8803 * c-lex.c (parse_float, yylex): Likewise.
8804 * c-parse.in: Likewise.
8805 * c-typeck.c (common_type, build_array_ref, build_binary_op,
8806 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
8807 build_c_cast, convert_for_assignment, set_init_index,
8808 set_init_label, c_expand_start_case): Likewise.
8809 * toplev.c (documented_lang_options, display_help): Likewise.
8811 2000-08-08 Kazu Hirata <kazu@hxi.com>
8813 * h8300.c: Fix formatting.
8814 * h8300.h: Likewise.
8815 * h8300.md: Likewise.
8816 (movsi_h8300hs): Fix formatting of the resulting assembly code.
8818 * reload1.c: Fix formatting.
8820 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
8822 * alpha/alpha.c (alpha_emit_xfloating_libcall):
8823 Use GEN_CALL_VALUE define.
8824 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
8825 * clipper/clipper.md (untyped_call): Likewise.
8826 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
8827 * fx80/fx80.md (untyped_call): Likewise.
8828 * mips/mips.md (untyped_call): Likewise.
8829 * ns32k/ns32k.md (untyped_call): Likewise.
8830 * pa/pa.md (untyped_call): Likewise.
8831 * romp/romp.md (untyped_call): Likewise.
8832 * sparc/sparc.md (untyped_call): Likewise.
8834 2000-08-08 Jason Eckhardt <jle@cygnus.com>
8836 * config/i860/i860.c (singlemove_string): Do not generate assembler
8837 pseudo instructions that must be expanded (that is, with signed
8838 constants larger than 16 bits).
8840 2000-08-08 Richard Henderson <rth@cygnus.com>
8842 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
8843 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
8844 (init_propagate_block_info): Don't kill memory stores at -O0.
8845 (mark_set_1, mark_used_regs): Likewise.
8847 2000-08-08 David Edelsohn <edelsohn@gnu.org>
8849 * rs6000.c (optimization_options): Decorate 'level' as
8851 (mask64_operand): Remove sign-extend thinko.
8852 (rldic_operand): New function.
8853 (load_multiple_operation): regno's are unsigned ints.
8854 (store_multiple_operation): Likewise.
8855 (lmw_operation): Likewise.
8856 (stmw_operation): Likewise.
8857 (includes_lshift_p): shift_mask is unsigned int.
8858 (includes_lshift64_p): New function.
8859 (addrs_ok_for_quad_peep): unsigned int reg1.
8860 (print_operand): Consistently add "else" after
8861 output_operand_lossage().
8862 (print_operand, case 'b'): Fold in case 'W'.
8863 (print_operand, case 'W'): Print rldic MB value.
8864 (output_epilogue): Update Objective-C language string.
8865 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
8866 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
8867 * rs6000.md (ashldi3): Add rldic instruction.
8868 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
8869 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
8872 2000-08-08 Richard Henderson <rth@cygnus.com>
8874 * config/ia64/ia64-protos.h: Remove duplicates. Update
8875 for massive code rearrangements.
8876 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
8877 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
8878 (ia64_local_regs, ia64_need_regstk): Remove.
8879 (ar_ccv_reg_operand): New.
8880 (ia64_gp_save_reg): New.
8881 (struct ia64_frame_info): Combine most of the size elements;
8882 add new gr save elements.
8883 (find_gr_spill): New.
8884 (next_scratch_gr_reg): New.
8885 (mark_reg_gr_used_mask): New.
8886 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
8887 to GR backing store regs when possible.
8888 (ia64_initial_elimination_offset): New.
8889 (ia64_rap_fp_offset): Remove.
8890 (save_restore_insns): Remove.
8891 (setup_spill_pointers): New.
8892 (finish_spill_pointers): New.
8893 (spill_restore_mem): New.
8894 (do_spill, do_restore): New.
8895 (ia64_expand_prologue): Rewrite to use them.
8896 (ia64_expand_epilogue): Likewise.
8897 (ia64_direct_return): Update for current_frame_info changes.
8898 (ia64_function_prologue): Simplify .prologue emission. Emit
8900 (ia64_setup_incoming_varargs): Don't ever emit rtl.
8901 (ia64_dbx_register_number): New.
8902 (ia64_initialize_trampoline): New.
8903 (ia64_secondary_reload_class): Request GR_REGS for integer
8904 arithmetic destined for FR_REGS.
8905 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
8906 (ia64_mark_machine_status): Mark ia64_gp_save.
8907 (rws_access_regno): Rename from rws_access_reg; don't treat
8908 predicates specially.
8909 (rws_access_reg): New. Update all callers.
8910 (rtx_needs_barrier): Remove dead unspecs.
8911 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
8912 (ia64_encode_section_info): Silence signed/unsigned warnings.
8913 (spill_offset, sp_offset, spill_offset_emitted): Remove.
8914 (tmp_reg, tmp_saved): Remove.
8915 (process_set): Rewrite to expect complicated bits via
8916 REG_FRAME_RELATED_EXPR.
8917 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
8918 in the use of ar.ccv; never set RTX_UNCHANGING_P.
8919 (ia64_expand_op_and_fetch): Likewise.
8920 (ia64_expand_compare_and_swap): Likewise.
8921 (ia64_expand_builtin): Likewise.
8922 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
8923 (FIRST_PSEUDO_REGISTER): Update.
8924 (AR_M_REGNO_P): Update.
8925 (FIXED_REGS): Don't mark three local registers as used.
8926 (EXTRA_CC_MODES): New.
8927 (SELECT_CC_MODE): New.
8928 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
8929 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
8930 (FRAME_GROWS_DOWNWARD): Unset.
8931 (STARTING_FRAME_OFFSET): Zero.
8932 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
8933 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
8934 (HARD_FRAME_POINTER_REGNUM): New.
8935 (CAN_DEBUG_WITHOUT_FP): Define.
8936 (TRAMPOLINE_TEMPLATE): Remove.
8937 (TRAMPOLINE_SIZE): Lower to 32.
8938 (TRAMPOLINE_ALIGNMENT): Lower to 64.
8939 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
8940 (PREDICATE_CODES): Update.
8941 (struct machine_function): Add ia64_gp_save.
8942 * config/ia64/ia64.md: Purge unused unspecs.
8943 (movsi patterns): Allow moves to/from AR_M_REGS.
8944 (movdi patterns): Allow moves to/from p0.
8945 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
8946 (gr_spill, gr_restore): Indicate ar.unat read/written.
8947 (nonlocal_goto): Don't pass old frame_pointer.
8948 (nonlocal_goto_receiver): Remove.
8949 (exception_receiver): New.
8950 (builtin_setjmp_setup): New.
8951 (builtin_setjmp_receiver): New.
8952 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
8953 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
8954 (__ia64_restore_stack_nonlocal): Likewise.
8955 (__ia64_trampoline): New.
8956 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
8958 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
8960 2000-08-08 Richard Henderson <rth@cygnus.com>
8962 * frame.h (ia64_frame_state): Add my_psp.
8963 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
8964 (__throw): Pass it in. Don't clobber r7.
8965 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
8966 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
8967 and nothing to do with sp.
8968 (normalize_reg_loc): Use frame->my_psp.
8969 (frame_translate): Handle frame-pointer-less functions. Set
8970 spill_base correctly, in absence of being told.
8971 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
8972 (__ia64_backtrace_helper): New sp argument. Use
8973 builtin_return_address instead of label addresses.
8974 (print_record) [mem_stack_v]: No size member.
8976 2000-08-08 Richard Henderson <rth@cygnus.com>
8978 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
8980 2000-08-08 Richard Henderson <rth@cygnus.com>
8982 * tm.texi (LOCAL_REGNO): Document.
8983 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
8984 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
8985 * reload1.c (reload): Likewise when considering nonlocal labels.
8987 * config/ia64/ia64.h (LOCAL_REGNO): New.
8988 * config/sparc/sparc.h (LOCAL_REGNO): New.
8990 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8992 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
8994 2000-08-07 Nick Clifton <nickc@redhat.com>
8996 * config/mips/mips.c: Fix compile time warning messages.
8997 * config/mips/mips-protos.h: Add prototype for equality_op.
8999 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
9001 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
9003 * mn10300.md: Use nonimmediate_operand instead of general_operand
9006 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
9008 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
9010 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
9011 * sh.c (expand_block_move): Break long lines.
9012 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
9013 * sh.md (mulsi3): Likewise.
9014 (movdi): Adjust spacing.
9016 2000-08-07 Richard Henderson <rth@cygnus.com>
9018 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
9019 * expr.c (emit_group_store): Don't set it.
9021 2000-08-07 Kazu Hirata <kazu@hxi.com>
9023 * invoke.texi (Options for Debugging Your Program or GCC): Remove
9024 duplicate entries for 'w' and 'z'.
9026 * flow.c: Fix a comment typo.
9028 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9030 * c-parse.in: Changed the language string for Objective-C to "GNU
9033 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9035 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
9036 to improve the Posix thread support for Objective-C.
9038 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
9040 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
9041 CTI_UNSIGNED_PTRDIFF_TYPE.
9042 (signed_size_type_node): Define.
9043 (unsigned_ptrdiff_type_node): Define.
9044 * c-decl.c (init_decl_processing): Create the
9045 signed_size_type_node and unsigned_ptrdiff_type_node types.
9046 * c-common.c (T_SC): Define.
9049 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
9050 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
9052 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
9053 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
9054 flags for %c, %s and %[.
9055 (check_format_info): Only allow leniency for signedness of targets
9056 of character pointers (when pedantic) for formats flagged with
9057 "c", so for strings but not for %hh formats. When pedantic, don't
9058 allow character pointers to substitute for void pointers if a
9059 second level of indirection is present.
9061 2000-08-06 Kazu Hirata <kazu@hxi.com>
9063 * invoke.texi (Options for Debugging Your Program or GCC): Update
9064 the names of dump files.
9066 * h8300.c (dosize): Rearrange code for conciseness.
9067 (split_adds_subs): Likewise.
9069 * loop.c: Fix formatting.
9071 * dwarf2out.c: Fix formatting.
9073 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
9075 * expr.c: Fix formatting.
9077 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9079 * rs6000.c (rs6000_maybe_dead): Prototype.
9081 2000-08-06 Richard Henderson <rth@cygnus.com>
9083 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
9084 HAVE_nonlocal_goto as well.
9085 * config/i960/i960.md (nonlocal_goto): Don't do it here.
9086 * config/pj/pj.md (nonlocal_goto): Likewise.
9088 2000-08-07 Michael Hayes <mhayes@cygnus.com>
9090 * loop.c (try_swap_copy_prop): New function.
9091 (load_mems): Rename copies to load_copies and add new regset
9092 store_copies. Check for sets of shadow registers and mark
9093 in store_copies. Call try_swap_copy_prop for registers
9094 marked in store_copies.
9096 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9098 * objc/objc-act.c: New command line option -fconstant-string-class
9099 to allow specifying a user defined constant string class,
9100 different from NXConstantString.
9102 * toplev.c: Moved the Objective-C specific options to
9103 objc/lang-options.h.
9105 * objc/lang-options.h: Moved the Objective-C specific options from
9106 toplev.c. Added -fconstant-string-class.
9108 2000-08-05 Chris Demetriou <cgd@sibyte.com>
9110 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9111 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
9112 __CTOR_LIST__ from func_ptr array to just func_ptr, to
9113 avoid extra alignment imposed on arrays.
9114 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9115 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
9117 * mips.h: Clean up comments and spacing near MASKs.
9118 (TARGET_UNIX_ASM): Delete.
9119 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
9120 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
9123 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
9125 * c-common.c (print_char_table): Add entries for the X/Open '
9126 format flag (print decimals with locale's thousands grouping
9127 character). Make %C expect wint_t.
9128 (check_format_info): If pedantic, warn when the %n$ operand
9129 number form is used. Allow for the ' flag; warn about it if
9132 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
9134 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
9135 type is a float mode, cfun->decl's return type is not, and
9136 TARGET_FLOAT_RETURNS_IN_80387.
9138 2000-08-04 Andreas Schwab <schwab@suse.de>
9140 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
9141 token list, which are always `#' and `pragma'.
9143 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
9145 * tree.c (tree_expr_nonnegative_p): Move to...
9146 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
9147 (rtl_expr_nonnegative_p): New.
9148 * tree.h: Add prototype for rtl_expr_nonnegative_p.
9150 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
9151 CONST_DOUBLE_CHAIN: Move to...
9152 * rtl.h: ...here. Use XCINT/XCEXP.
9154 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
9155 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
9156 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
9159 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
9161 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9163 * config/c4x/c4x.md (return_indirect_internal): New.
9164 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
9166 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9168 * c-common.c (time_char_table): Mark up formats added in C99 and
9169 make other corrections. %D and %g were added in C99. %Og is an
9170 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
9171 C99. %e was added in C99. %Oj is an extension. %G and %z are in
9172 C99 rather than GNU extensions, but %OG and %Oz are extensions.
9173 %h was added in C99. %C was added in C99. %OY and %OC are
9174 extensions. Add the C99 format %F.
9175 (check_format_info): If pedantic and not in C99 mode, warn for C99
9178 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9180 * function.c (schedule_fixup_var_refs): New function, broken out
9181 of put_reg_into_stack.
9182 (put_reg_into_stack): Use it.
9183 (put_var_into_stack): In CONCAT case, fixup up references for
9184 components only after fixing up references to the whole concat.
9186 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
9188 * alias.c (mark_constant_function): Use INSN_P.
9189 (init_alias_analysis): Likewise.
9190 * combine.c (combine_instructions): Use INSN_P.
9191 (can_combine_p): Likewise.
9192 (try_combine): Likewise.
9193 (distribute_notes): Likewise.
9194 (distribute_links): Likewise.
9195 * cse.c (cse_around_loop): Use INSN_P.
9196 (invalidate_skipped_block): Likewise.
9197 (cse_set_around_loop): Likewise.
9198 (cse_end_of_basic_block): Likewise.
9199 (delete_trivially_dead_insns): Likewise.
9200 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
9201 (unshare_all_rtl_1): Likewise.
9202 (next_cc0_user): Likewise.
9203 (try_split make_insn_raw): Likewise.
9204 (remove_unnecessary_notes): Likewise.
9205 * final.c (shorten_branches): Use INSN_P.
9206 (leaf_renumber_regs): Likewise.
9207 (leaf_renumber_regs_insn): Likewise.
9208 * flow.c (find_label_refs): Use INSN_P.
9209 (verify_wide_reg): Likewise.
9210 (notice_stack_pointer_modification): Likewise.
9211 (count_or_remove_death_notes): Likewise.
9212 (verify_flow_info): Likewise.
9213 (clear_log_links): Likewise.
9214 * function.c (fixup_var_refs_insns): Use INSN_P.
9215 (compute_insns_for_mem): Likewise.
9216 * gcse.c (alloc_gcse_mem): Use INSN_P.
9217 (compute_sets): Likewise.
9218 (compute_hash_table): Likewise.
9219 (classic_gcse): Likewise.
9221 (insert_insn_end_bb): Likewise.
9222 (delete_null_pointer_checks_1): Likewise.
9223 * global.c (expand_preferences): Use INSN_P.
9224 (build_insn_chain): Likewise.
9225 * graph.c (node_data): Use INSN_P.
9226 * haifa-sched.c (priority): Use INSN_P.
9227 (rm_line_notes): Likewise.
9228 (rm_other_notes): Likewise.
9229 (find_insn_reg_weight): Likewise.
9230 (init_target_units): Likewise.
9231 (schedule_block): Likewise.
9232 (compute_block_forward_dependences): Likewise.
9233 (debug_dependencies): Likewise.
9234 (set_priorities): Likewise.
9235 * integrate.c (function_cannot_inline_p): Use INSN_P.
9236 (save_parm_insns): Likewise.
9237 (copy_insn_list): Likewise.
9238 * jump.c (mark_all_labels): Use INSN_P.
9239 (never_reached_warning): Likewise.
9240 * lcm.c (optimize_mode_switching): Use INSN_P.
9241 * local-alloc.c (validate_equiv_mem): Use INSN_P.
9242 (memref_used_between_p): Likewise.
9243 (update_equiv_regs): Likewise.
9244 (block_alloc): Likewise.
9245 (no_conflict_p): Likewise.
9246 * loop.c (scan_loop): Use INSN_P.
9247 (find_and_verify_loops): Likewise.
9248 (count_loop_regs_set): Likewise.
9249 (loop_reg_used_before_p): Likewise.
9250 (strength_reduce): Likewise.
9251 (recombine_givs): Likewise.
9252 (check_dbra_loop): Likewise.
9253 (load_mems): Likewise.
9254 (try_copy_prop): Likewise.
9255 * print-rtl.c (print_rtx): Use INSN_P.
9256 * recog.c (find_single_use): Use INSN_P.
9257 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
9258 (next_flags_user): Likewise.
9259 (swap_rtx_condition): Likewise.
9260 * regmove.c (mark_flags_life_zones): Use INSN_P.
9261 (optimize_reg_copy_1): Likewise.
9262 (optimize_reg_copy_2): Likewise.
9263 (optimize_reg_copy_3): Likewise.
9264 (reg_is_remote_constant_p): Likewise.
9265 (fixup_match_2): Likewise.
9266 (regmove_optimize): Likewise.
9267 (fixup_match_1): Likewise.
9268 * regrename.c (build_def_use): Use INSN_P.
9269 (replace_reg_in_block): Likewise.
9270 (consider_use): Likewise.
9271 * reload.c (find_equiv_reg): Use INSN_P.
9272 * reload1.c (reload): Use INSN_P.
9273 (maybe_fix_stack_asms): Likewise.
9274 (calculate_needs_all_insns): Likewise.
9275 (reload_as_needed): Likewise.
9276 (emit_output_reload_insns): Likewise.
9277 (delete_address_reloads_1): Likewise.
9278 (reload_cse_regs_1): Likewise.
9279 (reload_combine): Likewise.
9280 (reload_cse_move2add): Likewise.
9281 * reorg.c (redundant_insn): Use INSN_P.
9282 (dbr_schedule): Likewise.
9283 * resource.c (find_dead_or_set_registers): Use INSN_P.
9284 (mark_target_live_regs): Likewise.
9285 * rtlanal.c (reg_used_between_p): Use INSN_P.
9286 (reg_referenced_between_p): Likewise.
9287 (reg_set_between_p): Likewise.
9288 (reg_set_p): Likewise.
9289 (single_set): Likewise.
9290 (multiple_sets): Likewise.
9291 (find_last_value): Likewise.
9292 (reg_set_last): Likewise.
9293 (find_reg_note): Likewise.
9294 (find_regno_note): Likewise.
9295 * sibcall.c (sequence_uses_addressof): Use INSN_P.
9296 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
9297 * ssa.c (find_evaluations): Use INSN_P.
9298 (rename_block): Likewise.
9299 (rename_equivalent_regs): Likewise.
9300 * unroll.c (loop_find_equiv_value): Use INSN_P.
9301 (set_dominates_use): Likewise.
9302 * varasm.c (mark_constant_pool): Use INSN_P.
9303 (mark_constants): Likewise.
9304 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
9305 (alphaev4_next_group): Likewise.
9306 (alphaev5_next_group): Likewise.
9307 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
9308 (c4x_rptb_rpts_p): Likewise.
9309 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
9310 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
9311 (rs6000_adjust_priority): Likewise.
9312 * config/sh/sh.c (sh_loop_align): Use INSN_P.
9313 (machine_dependent_reorg): Likewise.
9314 (split_branches): Likewise.
9315 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
9317 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
9319 * combine.c (recog_for_combine): Remove the old notes
9320 prior to attempting to recognize the new pattern.
9321 (distribute_notes): Ignore REG_NONNEG notes.
9323 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
9325 * varasm.c (output_constructor): Add .align 0 for packed vars.
9327 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9329 * configure.in: Use default thread_file even when enable_threads is
9330 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
9331 * configure: Rebuilt.
9333 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
9335 2000-08-04 Donn Terry (donnte@microsoft.com)
9337 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
9339 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9341 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
9342 Delete code that conditionally modifies 'version'.
9343 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
9344 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
9345 * gcc.c (main): Use it.
9346 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
9347 * prefix.c (update_path): Use it.
9348 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
9349 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
9350 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
9352 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
9353 (SUBTARGET_SWITCHES): Adjust.
9354 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
9356 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
9358 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9360 * c-common.h (flag_isoc94): Declare.
9361 * c-decl.c (flag_isoc94): Define.
9362 (c_decode_option): Set flag_isoc94 as appropriate.
9363 * c-common.c (T_PD, T_IM, T_UIM): Define.
9364 (format_char_info): Add tlen and jlen.
9365 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
9367 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
9369 (time_char_table): Add NULL entries for %t and %j.
9370 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
9371 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
9372 Warn for printf %lf if pedantic and not C99. Don't warn for empty
9373 precision. Allow precision argument to be unsigned int. If
9374 pedantic, warn for %p passed an argument not a pointer to possibly
9375 qualified void or a possibly qualified character type, and for
9376 pointer targets of the wrong sign, except for character pointers.
9378 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9380 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
9381 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
9382 (wint_type_node): Define.
9383 * c-decl.c (WINT_TYPE): Define.
9384 (init_decl_processing): Create the wint_type_node type.
9385 * c-common.c (T_WI): Define.
9386 (print_char_table): Use T_WI for %lc format.
9388 2000-08-04 Bruce Korb <bkorb@gnu.org>
9390 * fixinc/: Verified that the MSDOS patch does not break
9391 the UNIX functionality and applied the next three patches
9394 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
9396 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
9397 output file with the temporary one by appending ".X" to generate
9398 the temporary fuile's name. If the output file already has an
9399 extension, replace it with ".X".
9401 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
9402 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
9403 reallocate the command buffer while copying the command-line
9404 argument. Redirect the output directly to the temporary file,
9405 instead of going through another temporary file.
9406 (process): Close the temporary file before unlinking it.
9407 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
9408 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
9409 (run_compiles): Pass p_fixd argument to machine_matches, as it
9412 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
9413 environment, assume there are no symlinks in the include
9414 directory. When cleaning up the DONE files, look for them
9415 case-insensitively. Don't try to remove symlinks if they aren't
9418 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
9419 all callers changed. Declare pz "const char *", to avoid compiler
9422 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
9423 Change prototype of make_raw_shell_str.
9425 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
9427 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
9428 (initialize) [__MSDOS__]: Use tempnam.
9429 (initialize): Don't use SIGPIPE if it is not defined.
9431 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
9434 2000-07-25 Bruce Korb <bkorb@gnu.org>
9436 * fixinc/fix*.[ch]: substantially reworked to make it possible
9437 to run this program without using fork(2) or pipe(2) (i.e. in
9440 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9442 * cppdefault.h (WINT_TYPE): Define.
9443 * cppinit.c (builtin_array): Define __WINT_TYPE__.
9444 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
9445 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
9447 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
9449 * (mips_legitimate_address_p): Don't allow register+offset
9450 if the offset is large and negative, and we are compiling
9451 for 64 bit registers.
9453 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9455 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
9456 insn_code_number + 1.
9458 2000-08-04 Kazu Hirata <kazu@hxi.com>
9460 * h8300.c (function_prologue): Rearrange code for conciseness.
9461 (function_epilogue): Likewise.
9462 * h8300.h (OK_FOR_U): Fix formatting.
9464 * cse.c: Fix a comment typo. Fix formatting.
9466 2000-08-03 Richard Henderson <rth@cygnus.com>
9468 * config/i386/i386.md (return_indirect_internal): New.
9469 * config/i386/i386.c (ix86_expand_epilogue): Use it.
9471 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
9473 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
9475 (lex_line): Glue @ onto the beginning of identifiers and
9476 string constants, in Objective-C mode.
9477 (output_token, spell_token): Handle CPP_OSTRING.
9478 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
9479 beginning of a NAME or a STRING, in objc mode.
9481 * cpplib.c (get_define_node): Do not permit identifiers that
9482 begin with @ to be #defined.
9483 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
9484 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
9486 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
9487 * c-tree.h (build_objc_string): Delete prototype.
9488 * objc/objc-tree.def: Delete OBJC_STRING_CST.
9489 * c-lex.c (yylex): Use build_string for all three kinds of strings.
9491 * c-parse.in, objc/objc-act.c: Update commentary.
9493 2000-08-03 Mark Mitchell <mark@codesourcery.com>
9495 * extend.texi: Fix typo in last change.
9497 * extend.texi: Add commentary on statement-expressions and their
9498 interactions with C++.
9500 2000-08-03 Nick Clifton <nickc@cygnus.com>
9502 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
9503 * dwarf.h (LANG_JAVA): Change value to 0x000b.
9505 2000-08-03 Anthony Green <green@cygnus.com>
9507 * dwarf2out.c (gen_compile_unit_die): Add java language support.
9508 (add_bound_info): Check for java language.
9509 (is_java): New function.
9510 * dwarfout.c (output_compile_unit_die): Ditto.
9511 * dwarf.h (dwarf_source_language): Add java source language type.
9512 * dwarf2.h (dwarf_source_language): Ditto.
9514 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9516 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
9519 * i386.c (ix86_expand_branch): Mode of comparison in
9520 IF_THEN_ELSE is VOIDmode.
9522 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
9524 * gengenrtl.c, rtl.c: Avoid #elif.
9526 2000-08-03 Michael Poole <poole@troilus.org>
9528 * tm.texi (Register Classes): Clarify order of sub-initializers
9529 in REG_CLASS_CONTENTS.
9531 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9533 From SAITOH Masanobu:
9534 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
9536 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
9538 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
9539 is not supported by tradcpp and isn't actually needed for cygwin.
9541 2000-08-03 Kazu Hirata <kazu@hxi.com>
9543 * h8300.c: Fix a comment typo.
9544 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
9546 * jump.c: Fix formatting.
9548 * toplev.c: Fix formatting.
9550 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
9552 * flow.c (find_auto_inc): Verify that we've got a REG before
9553 peeking at its regno. Fail, don't abort if we can't find
9554 the increment of the desired register.
9556 * pa.md (shadd height reduction patterns/splitters): Remove.
9558 2000-08-02 Jim Wilson <wilson@cygnus.com>
9560 * config/ia64/ia64-protos.h (flag_ssa): Declare.
9561 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
9563 2000-08-02 Mark Mitchell <mark@codesourcery.com>
9565 * dce.c: Remove all uses of assert.
9566 * dwarf2out.c: Likewise.
9567 * dwarfout.c: Likewise.
9570 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9572 * gcc.h (lang_specific_driver): Constify second argument.
9573 * gcc.c (translate_options, process_command, main): Likewise.
9574 Constify variables to match. Cast second argument to
9577 * cppspec.c, gccspec.c: Adjust type of second argument to
9578 lang_specific_driver, and update code as necessary.
9580 2000-08-02 Jakub Jelinek <jakub@redhat.com>
9582 * loop.c (scan_loop): Ensure update_end label does not
9583 go away until reg_scan_update is run.
9585 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9587 * c-common.h: Prototype min_precision and c_build_qualified_type here...
9588 * c-tree.h: ... not here.
9589 * errors.h: Prototype fancy_abort.
9591 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
9592 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
9593 * regrename.c (regrename_optimize): Make control flow explicit.
9594 (replace_reg_in_block): Initialize reg_use to 0.
9596 * i386.c (legitimate_address_p): Rename error label to
9597 report_error to avoid namespace clash.
9599 2000-08-02 Kazu Hirata <kazu@hxi.com>
9601 * fold-const.c: Fix formatting.
9603 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
9605 * i386.c (legitimate_address_p): Accept other bases than
9606 pic_offset_table_rtx for GOTOFF constructs.
9608 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9610 * i386.md (shift to lea splitter): Use const_int_operand.
9612 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9614 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
9615 cppspec.c: Do not use 'legal' or 'illegal' in error messages
9618 * cppmain.c (cb_define, cb_undef): Don't generate any output
9619 if not done_initializing.
9620 * cpplex.c (maybe_paste_with_next): When the token after a ##
9621 is an omitted rest argument, only delete the token before it
9622 if that token is a comma. Do not warn about bogus token
9623 pastes for , ## rest_arg.
9626 * cpp.1: Regenerate.
9628 2000-08-02 Fred Fish <fnf@be.com>
9630 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
9631 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
9634 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
9635 Be directories to search path.
9637 Remove support for __declspec(dllimport) and __declspec(dllexport).
9638 This is leftover cruft from the earlier BeOS gcc port when BeOS
9639 used Microsoft's PE object file format.
9640 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
9641 * config/i386/t-beos (winnt.o): Remove Makefile frag.
9642 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
9643 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
9644 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9645 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
9646 (REDO_SECTION_INFO_P): Remove.
9647 (ASM_EXPORT_DECL): Remove.
9648 (ASM_DECLARE_FUNCTION_NAME): Remove.
9649 (ASM_DECLARE_OBJECT_NAME): Remove.
9650 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
9651 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
9652 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
9653 (STRIP_NAME_ENCODING): Remove.
9655 Remove support for obsolete version of BeOS that is no longer
9657 * configure.in (i*86-*-beospe*): Remove.
9658 * config/i386/beos-pe.h: Remove.
9660 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
9661 Mark Mitchell <mark@codesourcery.com>
9663 * Makefile.in (OBJS): Added dce.o.
9664 (ssa.o): Updated target to include ssa.h.
9666 (toplev.o): Likewise.
9667 (dce.o): Created target.
9668 * basic-block.h: Added comments.
9669 (INVALID_BLOCK): Added definition.
9670 (connect_infinite_loops_to_exit): Added declaration.
9671 Moved SSA declarations to ssa.h.
9672 * flow.c: Added inclusion of ssa.h.
9673 (struct depth_first_search_dsS, depth_first_search_ds):
9675 (compute_immediate_postdominators): Added definition.
9676 (connect_infinite_loops_to_exit): Likewise.
9677 (flow_dfs_compute_reverse_init): Likewise.
9678 (flow_dfs_compute_reverse_add_bb): Likewise.
9679 (flow_dfs_compute_reverse_execute): Likewise.
9680 (flow_dfs_compute_reverse_finish): Likewise.
9681 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
9682 (LABEL_P): Added definition.
9685 (BARRIER_P): Likewise.
9686 (JUMP_TABLE_DATA_P): Likewise.
9687 (INSN_DEAD_CODE_P): Likewise.
9688 * ssa.c: Replaced inclusions with ssa.h inclusion.
9689 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
9690 (rename_registers): Removed unnecessary variables.
9691 * ssa.h: Created by moving declarations from ssa.c and
9693 * timevar.def: Defined TV_DEAD_CODE_ELIM.
9694 * toplev.c: Added ssa.h inclusion.
9695 (dump_file_index): Added DFI_dce.
9696 (dump_file): Added "dce" entry.
9698 (f_options): Added dce entry.
9699 * invoke.texi: Document -fdce. Emphasize experimental status of
9703 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
9705 * cpperror.c (v_message): Split into _cpp_begin_message and
9706 v_message macro. All callers updated.
9707 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
9710 * cppfiles.c (cpp_syshdr_flags): New function.
9711 (read_include_file): Don't call cpp_output_tokens. Call
9713 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
9714 (cpp_reader_init): Don't initialize token_buffer. Call
9715 _cpp_init_internal_pragmas.
9716 (cpp_cleanup): Don't clear token_buffer.
9717 (cpp_start_read): Don't worry about output from -D processing.
9718 Don't call cpp_output_tokens.
9719 (cpp_finish): Don't dump macros here. Don't call
9721 * cppmacro.c (_cpp_dump_definition): Rename
9722 cpp_dump_definition. Write directly to a FILE *.
9723 (dump_funlike_macro): Delete.
9724 (dump_macro_args): New.
9726 * cpplex.c (TOKEN_LEN): Convert to inline function.
9727 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
9728 cpp_scan_line, _cpp_dump_list): Delete.
9729 (cpp_printf, cpp_output_list): New.
9730 (output_line_command): Don't worry about entering or leaving files.
9731 (cpp_scan_buffer): Just output each token as we hit it.
9732 (process_directive): Don't call cpp_output_tokens.
9733 (_cpp_glue_header_name): Don't use token_buffer.
9734 (output_token, dump_param_spelling): Write directly to a FILE *.
9736 * cpplib.c (pass_thru_directive, dump_macro_name,
9737 pragma_dispatch, do_pragma_gcc): Delete.
9738 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
9739 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
9741 (do_error, do_warning, pragma_dependency): Call
9742 _cpp_begin_message, then cpp_output_list.
9743 (cpp_register_pragma, cpp_register_pragma_space,
9744 _cpp_init_internal_pragmas): New.
9745 (do_pragma): Walk the pragmas table here.
9746 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
9747 do_pragma_dependency): Return void.
9748 (do_pragma_implementation): Moved to cppmain.c.
9750 * cpplib.h: Update prototypes.
9751 (struct cpp_reader): Remove printer, token_buffer,
9752 token_buffer_size, and limit. Add struct cb, and pragmas.
9753 (struct cpp_printer): Remove last_id and written.
9754 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
9755 CPP_ADJUST_WRITTEN): Delete.
9756 * cpphash.h: Update prototypes.
9757 (ufputs): New wrapper.
9759 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
9760 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
9761 (main): Set up callbacks. Register #pragma implementation.
9762 Dump macros from here.
9764 2000-08-01 Geoff Keating <geoffk@cygnus.com>
9766 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
9767 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
9768 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
9769 insns if they have a REG_MAYBE_DEAD note attached.
9770 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
9771 (rs6000_emit_load_toc_table): TOC loads may go dead.
9773 2000-08-01 Jim Wilson <wilson@cygnus.com>
9775 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
9776 type exists before using it. Use number of words as alignment
9778 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
9779 ia64_va_arg): Propagate ia64_function_args changes here.
9781 2000-08-01 Richard Henderson <rth@cygnus.com>
9783 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
9784 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
9786 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
9788 From Joern Rennecke:
9789 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
9790 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
9791 unless TARGET_SH3E is set.
9792 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
9794 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
9795 (ashlsi3_std): New pattern.
9796 (ashlsi3 expander): Use it for TARGET_SH3.
9797 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
9799 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9801 * loop.c (canonicalize_condition): Use destination, not source to
9802 determine SET's mode.
9804 2000-07-31 Mark Mitchell <mark@codesourcery.com>
9806 * flow.c (clear_log_links): Fix typo.
9808 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
9810 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
9811 on targets which need more than one insn for a compare/cbranch
9814 2000-07-31 Jim Wilson <wilson@cygnus.com>
9816 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
9817 when computing offset.
9819 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
9821 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
9823 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9825 * flow.c (clear_log_links): Nuke global_live_at_start and
9826 global_live_at_end data, since if the log_links stuff is invalid
9827 so is global_live_at_*.
9829 2000-07-31 Richard Henderson <rth@cygnus.com>
9831 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
9833 2000-07-31 Jakub Jelinek <jakub@redhat.com>
9835 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
9836 (_cpp_get_token): Don't macro expand a just pasted token if it
9837 was pasted at no_expand_level.
9839 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9841 * cppmacro.c (find_param, count_params, save_expansion):
9842 Permit 'defined' as a macro parameter name.
9844 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9846 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
9847 xcpp to cpp throughout.
9848 (native): Remove unnecessary dependency on cpp.
9850 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
9851 tradcpp to tradcpp0.
9852 (.i spec): Add missing output-file spec to cc1 command line.
9853 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
9855 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9857 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
9858 (implicit_decl_warning): New function.
9859 (implicitly_declare): Use it.
9860 * c-typeck.c (build_external_ref): Use implicit_decl_warning
9861 to complain about implicit decls of builtins.
9863 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
9864 based on pedantic && flag_isoc99, if not already set.
9865 * c-tree.h: Declare mesg_implicit_function_declaration.
9866 Prototype implicit_decl_warning.
9868 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
9870 * Makefile.in (ssa.o): Updated header files in dependences.
9871 * basic-block.h: Added compute_immediate_postdominators declaration.
9872 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
9874 * flow.c (compute_immediate_dominators): Updated comment.
9875 (compute_immediate_postdominators): Added definition.
9876 * rtl.h (HARD_REGISTER_P): Added definition.
9877 * ssa.c: Include additional header files.
9878 (assert): Added definition.
9879 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
9880 include select hard registers.
9881 (ssa_rename_to_insert): Likewise.
9882 (ssa_rename_from_initialize): Likewise.
9883 (ssa_rename_from_lookup): Likewise.
9884 (original_register): Likewise.
9885 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
9886 include select hard reigsters.
9887 (ssa_rename_from_traverse): Likewise.
9888 (ssa_rename_from_free): Likewise.
9889 (ssa_rename_from_print): Likewise.
9890 (ssa_rename_from_print_1): Likewise.
9891 (ssa_rename_from_hash_function): Likewise.
9892 (ssa_rename_from_equal): Likewise.
9893 (ssa_rename_from_delete): Likewise.
9894 (simplify_to_immediate_dominators): Removed in favor of
9895 flow.c:compute_immediate_dominators.
9896 (find_evaluations_1): Modified to work with hard registers.
9897 (insert_phi_node): Likewise.
9898 (insert_phi_nodes): Likewise.
9899 (struct rename_set_data): Updated prev_reg comment.
9900 (create_delayed_rename): Modified to work with hard registers.
9901 (RENAME_NO_RTX): Updated comment.
9902 (apply_delayed_renames): Modified to work with hard registers.
9903 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
9904 (rename_block): Updated to use revised ssa_rename_to interface.
9905 (rename_registers): Updated to use revised ssa_rename_to and
9906 ssa_rename_from interface.
9907 (convert_to_ssa): Revised to use compute_immediate_dominators and
9908 deal with hard registers.
9909 (make_regs_equivalent_over_bad_edges): Modified to work with hard
9910 registers. Added check for illegal unification of hard register.
9911 (make_equivalent_phi_alternatives_equivalent): Modified to work
9912 with hard registers.
9913 (compute_conservative_reg_partition): Likewise.
9914 (coalesce_if_unconflicting): Modified to work with hard registers
9915 and check for conflicting hard registers.
9916 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
9918 (rename_equivalent_regs_in_insn): Modified to work with hard
9920 (record_canonical_element_1): Added definition.
9921 (check_hard_regs_in_partition): Added definition.
9922 (convert_from_ssa): Added data structure deallocation and check
9923 for illegal hard register unification.
9924 (conflict_hard_regs_p): Added definition.
9925 * toplev.c (rest_of_compilation): Added comment.
9927 2000-07-31 Anthony Green <green@redhat.com>
9929 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
9931 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
9933 * builtins.c (expand_builtin_apply): Don't defer pop during
9936 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9938 * calls.c (combine_pending_stack_adjustment_and_call): Only use
9939 preferred_unit_stack_boundary when it is > 1.
9941 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
9943 * c-common.c (init_function_format_info): Add C99 format functions
9946 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
9947 void' or 'register void' as being the special case of 'void' alone
9948 in a parameter list.
9950 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
9951 discarding qualifiers into a plain warning.
9953 2000-07-31 Kazu Hirata <kazu@hxi.com>
9955 * combine.c: Fix formatting.
9957 * h8300.md: Fix formatting.
9959 * local-alloc.c: Fix formatting.
9961 * h8300.c (get_shift_alg): Remove the variable alg.
9962 (emit_a_shift): Rearrange code to improve readability.
9964 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
9966 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
9967 HImode on all architectures and a combination of HImode and SImode
9968 on H8/300H and H8/S.
9970 * h8300.c (split_adds_subs): Rearrange code for conciseness.
9972 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
9974 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
9977 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9979 * recog.c (extract_insn): Set operand_mode according to
9980 operand if match_operand is VOIDmode.
9982 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
9984 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
9986 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9988 * c-parse.in (extdefs): Call ggc_collect between external
9991 2000-07-30 Michael Hayes <mhayes@cygnus.com>
9992 Richard Henderson <rth@cygnus.com>
9994 * Makefile.in (OBJS): Add doloop.o.
9995 * doloop.c: New file.
9997 * final.c (insn_current_reference_address): Return 0 before final.
9998 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
9999 * jump.c (any_uncondjump_p): Likewise.
10000 * loop.c (indirect_jump_in_function): Make static.
10001 (strength_reduce): Call doloop_optimize.
10002 (insert_bct, instrument_loop_bct): Remove.
10003 * loop.h (doloop_optimize): Prototype.
10004 * recog.c (split_all_insns): Split all INSN_P.
10005 * toplev.c (flag_branch_on_count_reg): Default on.
10007 * config/c4x/c4x.c (c4x_optimization_options): Don't set
10008 flag_branch_on_count_reg.
10009 * config/i386/i386.c (override_options): Likewise.
10010 * config/rs6000/rs6000.c (optimization_options): Likewise.
10012 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
10014 (dbra_ge): Remove, as well as all it's splitters.
10016 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
10019 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
10020 (ia64_register_move_cost): Declare.
10021 * config/ia64/ia64.c (ar_lc_reg_operand): New.
10022 (struct ia64_frame_info): Add ar_size.
10023 (ia64_compute_frame_size): Set it.
10024 (save_restore_insns): Save and restore ar.lc.
10025 (ia64_register_move_cost): New, moved from header file. Handle
10026 application registers.
10027 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
10028 (emit_insn_group_barriers): Special case doloop_end_internal.
10029 (ia64_epilogue_uses): Mark ar.lc live at end.
10030 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
10031 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
10032 (FIRST_PSEUDO_REGISTER): Make room.
10033 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
10034 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
10035 (REG_ALLOC_ORDER): Update.
10036 (HARD_REGNO_MODE_OK): Update.
10037 (REGISTER_NAMES): Update.
10038 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
10039 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
10040 (REGNO_REG_CLASS): Update.
10041 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
10042 (REGISTER_MOVE_COST): Move out of line.
10043 (PREDICATE_CODES): Update.
10044 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
10045 (addsi3_plus1_alt, adddi3_plus1_alt): New.
10046 (shladd_elim splitter): Allow constants in the predicate.
10047 (doloop_end, doloop_end_internal): New.
10049 2000-07-30 Richard Henderson <rth@cygnus.com>
10051 * genattrtab.c (struct insn_def): Add lineno member.
10052 (struct insn_ent): Likewise.
10053 (struct attr_desc): Likewise.
10054 (struct delay_desc): Likewise.
10055 (struct function_unit_op): Likewise.
10056 (struct function_unit): Likewise.
10057 (check_attr_value): Use message_with_line.
10058 (check_defs): Likewise.
10059 (expand_units): Likewise.
10060 (check_attr_test): Take a lineno argument.
10061 (gen_attr): Likewise.
10062 (gen_insn): Likewise.
10063 (gen_delay): Likewise.
10064 (gen_unit): Likewise.
10065 (main): Give it to them.
10066 (convert_set_attr_alternative): Take an insn_def argument
10067 instead of num_alt and insn_index.
10068 (convert_set_attr): Likewise.
10069 (write_test_expr): Protect INSN_ADDRESSES load
10070 with INSN_ADDRESSES_SET_P.
10072 2000-07-30 Richard Henderson <rth@cygnus.com>
10074 * flow.c (init_propagate_block_info): Use pc_set.
10076 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10078 * i386.md (*lea_general_[123]) New insns and splits.
10079 (addsi3 to lea splitter): Handle other modes too.
10080 (shlsi3 to lea splitter): Likewise.
10081 (addhi_1_lea, shlhi_1_lea): New patterns.
10082 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
10084 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10086 * recog.c (general_operand, nonimmediate_operand): Accept
10087 any mode for VOIDmode CONSTANT_P operands.
10089 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10091 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
10092 instead of replace_rtx.
10093 * recog.c (validate_replace_rtx_subexp): New function.
10094 * recog.h (validate_replace_rtx_subexp): Declare.
10096 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10098 * combine.c (simplify_set, make_extraction, make_compound_operation
10099 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
10100 as force_to_mode argument.
10102 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
10104 * combine.c (if_then_else_cond): Be sure that mode fits in
10107 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
10109 * combine.c (record_promoted_value): Allow bitsize of mode
10110 to be equivalent to HOST_BITS_PER_WISE_INT.
10112 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10114 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
10115 Do not call gen_mode_alignment when mode is BLKmode.
10117 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
10119 * loop.c (express_from_1): Fix call of simplify_gen_binary.
10121 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
10123 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
10124 VOIDmode implies both operands to be VOIDmode.
10125 (simplify_ternary_operation): Compute properly the mode of comparison.
10126 * combine.c (combine_simplify_rtx): Likewise.
10128 2000-07-25 Michael Hayes <mph@paradise.net.nz>
10130 * basic-block.h (struct loops): New field rc_order.
10131 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
10132 (flow_loops_free): Free rc_order.
10133 (flow_depth_first_order_compute): New parameter rc_order.
10134 (flow_loops_find): Allocate rc_order and swap usage with
10137 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10138 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10140 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
10141 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
10142 (nodb_call, return_from_epilogue): Likewise.
10143 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
10144 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
10145 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
10146 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10147 (c4x_valid_type_attribute_p): Likewise.
10148 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
10149 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
10151 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10153 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
10154 and loadhi_big_constant if applicable.
10155 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
10156 and add new splitter.s
10158 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10160 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
10162 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10164 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
10166 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10168 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
10170 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10172 * config/c4x/libgcc.S (divqf3): Improve accuracy.
10174 2000-07-27 Mark Mitchell <mark@codesourcery.com>
10176 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
10177 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
10178 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
10179 (get_prev_bb_note): Likewise.
10180 (remove_scope_notes): Likewise.
10181 * flow.c (commit_one_edge_insertion): Likewise.
10182 (merge_blocks_nomove): Likewise.
10183 (verify_flow_info): Likewise.
10184 * gcse.c (insert_insn_end_bb): Likewise.
10185 * reg-stack.c (emit_swap_insn): Likewise.
10186 * ssa.c (first_insn_after_basic_block_note): New function.
10187 (insert_phi_node): Use it.
10188 (rename_block): Likewise.
10189 (eliminate_phi): Likewise.
10190 (make_regs_equivalent_over_bad_edges): Likewise.
10191 (make_equivalent_phi_alternatives_equivalent): Likewise.
10192 (for_each_successor_phi): Likewise.
10193 (convert_from_ssa): Modify phi-node deletion algorithm.
10195 2000-07-29 Andreas Jaeger <aj@suse.de>
10197 * configure.in (mips*-*-linux*): Use mips*el to check for little
10198 endian MIPS, add tmake_file.
10200 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
10201 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
10202 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
10204 2000-07-28 Richard Henderson <rth@cygnus.com>
10206 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
10207 Sign extend mode size before negating.
10209 2000-07-28 Richard Henderson <rth@cygnus.com>
10211 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
10213 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
10215 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
10216 (cse_insn): Likewise.
10217 (addr_affects_sp_p): Likewise.
10218 * expr.c (move_by_pieces): Likewise.
10219 (clear_by_pieces): Likewise.
10220 * gcse.c (oprs_unchanged_p): Likewise.
10221 * haifa-sched.c (sched_analyze_2): Likewise.
10222 * recog.c (offsettable_address_p): Likewise.
10223 * regclass.c (record_address_regs): Likewise.
10224 * reload.c (find_reusable_reload): Likewise.
10225 (push_reload): Likewise.
10226 (operands_match_p): Likewise.
10227 (decompose): Likewise.
10228 (find_reloads_address_1): Likewise.
10229 (find_inc_amount): Likewise.
10230 * reload1.c (elimination_effects): Likewise.
10231 * resource.c (mark_set_resources): Likewise.
10232 * flow.c (attempt_auto_inc): New function; mostly broken out
10234 (find_auto_inc): Split into two functions and enhanced to
10235 generate POST_MODIFY.
10236 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
10237 * rtl.h (count_all_occurrences): Declare.
10238 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
10240 * rtlanal.c (count_all_occurrences): New function.
10241 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
10242 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
10244 * config/ia64/ia64-protos.h (destination_operand): Declare.
10245 * config/ia64/ia64.c (destination_operand): New function.
10246 (ia64_print_operand): Handle POST_MODIFY.
10247 (rtx_needs_barrier): Likewise.
10248 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
10249 (HAVE_POST_MODIFY_REG): Define to 1.
10250 (MAX_REGS_PER_ADDRESS): Change to 2.
10251 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
10252 (LEGITIMATE_ADDRESS_REG): New helper macro.
10253 (LEGITIMATE_ADDRESS_DISP): Likewise.
10254 (PREDICATE_CODES): Add entry for destination_operand.
10255 * config/ia64/ia64.md (all mov patterns): Use destination_operand
10256 predicate for operand 0.
10258 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10260 * dwarf2out.c: Indent #error directive.
10262 * gbl-ctors.h: Fix typo in comment.
10263 (__do_global_ctors): Prototype.
10265 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10267 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10268 (print_operand): Initialize variable `t'.
10270 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10272 * config/arm/arm.md ("call_value"): removed constraints.
10273 Constraints are ignored in expanders.
10274 (*call_value_reg): split =rf into various constraints.
10275 (*call_value_mem): same
10276 (*call_value_symbol): same
10277 (*sibcall_value_insn): same
10279 2000-07-28 Philipp Thomas <pthomas@suse.de>
10281 * install.texi (--enable-nls): Change the description of the NLS
10282 related configure options to match the current state.
10283 (--with-included-gettext): Likewise.
10284 (--enable-maintainer-mode): New description added.
10285 * extend.texi (-fstrict-prototype): Add missing '.'.
10287 2000-07-27 Jim Wilson <wilson@cygnus.com>
10289 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
10290 DECL_INITIAL (decl) == NULL_TREE.
10292 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
10294 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
10295 on insn-attr.h with it.
10296 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
10297 * insn-addr.h: New header.
10298 (insn_addresses_): Renamed from insn_addresses.
10299 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
10300 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
10301 INSN_ADDRESSES_NEW): New macros.
10302 * genattrtab.c (write_test_expr): Use new macros.
10303 * final.c (insn_addresses, init_insn_lengths): Likewise.
10304 (align_fuzz, shorten_branches): Likewise.
10305 (final): Likewise. Do not reject new insns if their addresses
10306 have been added to INSN_ADDRESSES.
10307 * config/arm/arm.c, config/avr/avr.c: Use new macros.
10308 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
10309 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
10310 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
10311 * config/sh/sh.c: Likewise.
10312 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
10314 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
10316 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
10318 * gcc.c (struct prefix_list): Add member priority.
10319 (enum path_prefix_priority): Declare.
10320 (add_prefix): Replace ``first'' with ``priority''. Append new
10321 entry but keep list in priority order.
10322 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
10323 PREFIX_PRIORITY_LAST to add_prefix.
10324 (process_command): Move include kludge - foo/stageN - to before
10327 2000-07-27 Jason Merrill <jason@redhat.com>
10329 * dwarf2out.c (gen_typedef_die): Abort if we get identical
10330 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
10332 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
10334 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
10335 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
10337 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
10339 * c-decl.c (finish_function): Don't treat 'main' specially unless
10340 flag_hosted. In C99 mode, return 0 from 'main' unless
10341 DEFAULT_MAIN_RETURN is otherwise defined.
10343 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
10344 parameters defaulting to int in an old-style function definition.
10346 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10348 * c-parse.in (string): For -Wtraditional, warn about string
10349 concatenation only once per line.
10351 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
10353 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
10354 for HI-UX/WE2 systems.
10356 2000-07-24 Bruce Korb <bkorb@gnu.org>
10358 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
10359 defining the __xxx_TYPE__ macros.
10360 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
10361 * fixincl/fixlib.h: don't need to include "tm.h" anymore
10362 * fixincl/inclhack.def(type_map): now obsolete
10364 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
10366 * cpp.texi: Append a trailing full-stop to xrefs where needed.
10368 2000-07-26 Dave Pitts <dpitts@cozx.com>
10370 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
10372 (mvs_hash_alias): New function.
10373 (mvs_add_alias): Change argument spacing.
10374 (mvs_need_alias): Change aliasing criteria. Added documentation.
10375 (mvs_get_alias): Change to use hashed name. The hashed name prevents
10376 CSECT name collisions.
10377 (mvs_check_alias): Likewise.
10378 (handle_pragma): Change documentation.
10379 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
10380 mode from SImode to DImode.
10381 (iorhi3): Changed LTORG size for insn.
10383 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
10385 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
10386 mem if the address is a mode_dependent_address_p.
10388 2000-07-26 Kazu Hirata <kazu@hxi.com>
10390 * h8300.c (print_operand): Print ":8" when the 'R' operand is
10391 suitable for 8-bit absolute.
10392 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
10393 (OK_FOR_U): Add a case for the 8-bit constant address on the
10396 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
10398 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
10399 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
10400 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
10401 lack of implemented alignment.
10403 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
10405 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
10406 cross-compiling between 64-bit and 32-bit machines.
10408 2000-07-27 Richard Henderson <rth@cygnus.com>
10410 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
10411 (movhicc_astep, movhi_internal_astep): New.
10412 (movsicc_astep, movsi_internal_astep): New.
10413 (movdicc_astep, movdi_internal_astep): New.
10414 (movsfcc_astep, movsf_internal_astep): New.
10415 (movdfcc_astep, movdf_internal_astep): New.
10416 (movxfcc_astep, movxf_internal_astep): New.
10417 (cmovdi_internal_astep, cmovsi_internal_astep): New.
10418 Unify the cmov[ds]i splitters.
10420 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
10422 * real.c (asctoeg): Rename `error' label to unexpected_char_error
10424 2000-07-26 Nick Clifton <nickc@cygnus.com>
10426 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
10427 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
10429 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
10430 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
10432 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
10434 * c-decl.c (finish_enum): Convert enumerations that fit in an
10436 (build_enumerator): In pedantic mode, cast to `int' those that
10439 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
10441 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
10443 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10445 * sh.md (cmpgtdi_t): Must be split.
10446 (cmpgtdi_t+1): New splitter.
10448 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10450 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
10451 warnings for indented directives even if we are skipping.
10453 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
10455 * invoke.texi (strict-prototypes): Remove.
10456 * extend.texi (Deprecated Features): Add strict-prototypes.
10457 (Backwards Compatibility): New node.
10459 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10461 * config/i386/i386.md (andsi_1+1): Allow HImode.
10462 (andsi_1+2): Require q_regs_operand.
10464 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10466 * config/i386/i386.md (call_pop): Check operands[0],
10467 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10469 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10470 (call_value): Likewise.
10472 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10474 * toplev.c (pipe_closed): Delete.
10475 (crash_signal): New. Generate ICE for a fatal signal.
10476 (float_signal): Call crash_signal outside a float-handler
10478 (main): Install crash_signal as handler for core-dumping signals.
10480 2000-07-25 David Edelsohn <edelsohn@gnu.org>
10482 * rs6000.c (print_operand, case 'T'): New case.
10484 * rs6000.md (call_indirect_aix32): Convert to expander of
10485 scheduled instructions.
10486 (call_indirect_aix64): Likewise.
10487 (call_value_indirect_aix{32,64}): Likewise.
10488 (call, call_value): Invoke expanders for AIX. Fall through to
10490 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
10491 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
10492 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
10493 only "g" constraint.
10494 (call_nonlocal_aix64): Likewise.
10495 (call_value_nonlocal_aix{32,64}): Likewise.
10496 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
10498 (call_value_nonlocal_sysv): New pattern.
10499 (indirect_jump{si,di}): Use new 'T' modifier.
10500 (tablejump{si,di} matchers): Likewise.
10501 (return_internal_{si,di}): Likewise.
10502 (return_eh_{si,di}): Likewise.
10504 2000-07-24 Richard Henderson <rth@cygnus.com>
10506 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
10507 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
10508 * config/ia64/ia64.md (movdi_internal): Use it.
10510 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
10512 * cppexp.c: Warn about unary + if -Wtraditional.
10513 * cpplex.c (lex_line): Always set BOL on the first token of a line.
10515 2000-07-24 Michael Meissner <meissner@redhat.com>
10517 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
10520 2000-07-24 Nick Clifton <nickc@cygnus.com>
10522 * config/arm/arm.c (emit_multi_reg_push): Generate a
10523 REG_FRAME_RELEATED_NOTE that is compatable with the code in
10524 dwarf2out_debug_frame_expr.
10526 2000-07-24 Jason Merrill <jason@redhat.com>
10528 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
10529 UNALIGNED_INT_ASM_OP.
10530 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
10531 a location expression.
10532 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
10533 assume indirect access if we're saving the CFA address exactly.
10535 * Makefile.in (bootstrap): Move -BstageN/ to the end.
10537 2000-07-24 Jakub Jelinek <jakub@redhat.com>
10539 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
10542 2000-07-24 Michael Meissner <meissner@redhat.com>
10544 * invoke.texi (D30V Options): Add d30v options.
10546 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
10548 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
10549 needed by our gcse pass anymore.
10550 (free_pre_mem): Corresponding changes.
10551 (compute_pre_data): Do not call compute_transpout anymore.
10553 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
10554 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
10557 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
10558 (compute_pre_data): Do it here instead.
10560 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
10562 (pre_delete): Corresponding changes.
10564 2000-07-23 Mark Mitchell <mark@codesourcery.com>
10566 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
10567 to figure out whether or not a variable has already been emitted.
10569 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
10571 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
10572 instead of gen_call.
10574 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
10576 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
10578 2000-07-23 Kazu Hirata <kazu@hxi.com>
10580 * h8300.c: Fix formatting.
10582 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
10584 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
10585 for `long' switch expression into a plain warning.
10587 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
10588 (yylex): Don't pedwarn for "inline" in C99 mode.
10590 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
10592 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
10593 ggc_alloc): Likewise.
10594 * bb-reorder.c (dump_scope_forest_1): Likewise.
10596 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
10598 * reload.c (find_reloads_toplev): Add new parameter
10599 "address_reloaded".
10600 (find_reloads): Add new parameter to find_reloads_toplev calls.
10602 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
10604 * collect2.c (main): Typo fixed.
10605 * diagnostic.c: Typo fixed.
10606 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
10607 * eh-common.h: Typo fixed.
10608 * emit-rtl.c (start_sequence): Typo fixed.
10609 * flow.c (find_label_refs): Typo fixed.
10610 (calculate_global_regs_live): Typo fixed.
10611 (mark_regno_cond_dead): Typo fixed.
10612 (create_edge_list): Typos fixed.
10613 (verify_edge_list): Typo fixed.
10614 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
10615 * loop.c (strength_reduce): Typo in function name fixed.
10616 * rtl.h: Added comments. Typo in function name fixed.
10617 * rtlanal.c: Typo in function name fixed.
10618 (insn_dependant_p): Rename to ...
10619 (insn_dependent_p): ... this.
10620 (computed_jumo_p): Typo fixed.
10622 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10624 * system.h (__FUNCTION__): Wrap definition in #ifndef.
10626 2000-07-21 David Edelsohn <edelsohn@gnu.org>
10628 * rs6000.h (SIZE_TYPE): Define.
10630 2000-07-21 Mark Mitchell <mark@codesourcery.com>
10632 * ssa.c (rename_insn_1): Don't rename registers that are
10635 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
10637 * diagnostic.c (trim_filename, fancy_abort): Moved here from
10639 (fatal_function, set_fatal_function): Removed.
10640 (fatal): Don't prepare for or call the fatal_function.
10641 (diagnostic_lock, error_recursion): New.
10642 (diagnostic_for_decl, report_diagnostic): Guard against
10643 re-entering the error reporting routines.
10644 (fancy_abort): Assume function is not NULL.
10646 * errors.c (fancy_abort): New. Assume function is not NULL.
10647 * tradcpp.c (fancy_abort): Assume function is not NULL.
10649 * system.h: Provide default definition of __FUNCTION__.
10650 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
10651 Always use __FUNCTION__ in definition of abort.
10652 * tree.h: Likewise.
10653 * varray.h: Likewise.
10654 * toplev.h: Likewise. Don't prototype set_fatal_function.
10656 2000-07-20 Geoff Keating <geoffk@cygnus.com>
10658 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
10660 * glimits.h: Don't do #if defined for ARCH_PPC.
10662 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
10663 constants of size no larger than a pointer should go in the TOC.
10664 Add 'MODE' parameter.
10665 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
10666 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
10667 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
10668 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
10669 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
10670 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
10671 (rs6000_legitimize_address): Likewise.
10672 (rs6000_emit_move): Likewise.
10673 (rs6000_select_rtx_section): Likewise.
10674 (output_toc): Deal properly with outputting small constants like
10675 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
10676 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
10677 MODE parameter. Put small constants in the TOC.
10679 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
10681 (rs6000_emit_move): When reload calls us with an illegitimate
10682 address, exit early. Move the change_address calls to one place
10683 at the end of the routine. Merge the SImode and DImode expanders.
10684 When called by reload to put an integer into a FP register, force
10687 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
10689 (rs6000_hash_constant): Hash mode too.
10690 (toc_hash_function): Allow for key_mode.
10691 (toc_hash_eq): Structures are different if key_mode differs.
10692 (output_toc): Add 'mode' parameter. Save key_mode.
10693 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
10694 Pass 'mode' parameter.
10695 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
10697 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
10698 for vtable references.
10700 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
10701 choice, don't put integer values in FP regs.
10703 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
10705 * flow.c (verify_flow_info): Revamp code to verify that the
10706 head and end of each basic block are in the insn chain.
10708 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
10710 * gcse.c (record_one_set): Prepend instead of append onto
10711 reg_set_table, making it O(n) instead O(n^2).
10712 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
10713 Use a queue instead of a stack as worklist.
10715 2000-07-20 Kazu Hirata <kazu@hxi.com>
10717 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
10718 * h8300.h (OK_FOR_T): New.
10719 (EXTRA_CONSTRAINT): Support OK_FOR_T.
10720 * h8300.md: Use inc/dec.[wl] for increment/decrement
10721 by 1 and 2 in HI and SI modes.
10723 2000-07-20 Jim Wilson <wilson@cygnus.com>
10725 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
10726 larger than 14 bits.
10728 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
10730 * cppmacro.c (CAN_PASTE_AFTER): New macro.
10731 (count_params): Don't set GNU_REST_ARGS on anything.
10732 (save_expansion): Set PASTE_LEFT only on tokens for which
10733 CAN_PASTE_AFTER is true, or which are named operators.
10735 * cpplex.c (parse_args): Distinguish between a rest argument
10736 given one empty argument, and a rest argument given zero arguments.
10737 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
10738 deletion of previous token based on that.
10739 (get_raw_token): Flatten some control structure.
10741 * cpplib.h (CPP_LAST_EQ): Correct.
10742 (VOID_REST): New token flag.
10743 (GNU_REST_ARGS): Delete.
10745 * tradcpp.c (main): Don't munge -D options.
10746 (make_definition): Bring -D handling in line with cpplib.
10747 (do_define): Strip all leading whitespace from macro definitions.
10749 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
10751 * Makefile.in (tradcpp): Depend on intl.o and version.o.
10753 2000-07-20 Bruce Korb <bkorb@gnu.org>
10755 * fixincl/check.tpl: strip the platform specific types before testing
10756 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
10757 * fixincl/fixincl.tpl: use platform specific types
10758 * fixincl/fixlib.h: include the platform specific types
10759 * fixincl/inclhack.def(gnu_types): don't supply the types
10760 * fixincl/fixincl.x: regen
10762 2000-07-19 Jim Wilson <wilson@cygnus.com>
10764 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
10767 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10769 * tradcpp.c (rescan): Do not recognize directives when the #
10772 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10774 Implement C++ named operators.
10776 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
10777 of operators allowed in #if and having an _EQ variant. Add
10778 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
10779 (cpp_token flags): Add NAMED_OP.
10780 (enum node_type): Add T_OPERATOR.
10781 (struct cpp_hashnode): Add code slot to value union.
10782 * cpphash.h (spec_nodes): Remove n_defined.
10784 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
10785 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
10786 (is_macro_disabled): Tweak error messages.
10788 * cpplib.c (get_define_node): Disallow all named operators as
10789 macro names. Tweak error messages.
10790 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
10792 * cppinit.c (builtin_array): Add entries for the named operators.
10793 * cppexp.c (lex): Check for CPP_DEFINED token.
10794 (priority table): Add entries for CPP_MIN and CPP_MAX.
10795 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
10797 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
10799 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
10800 larger than the array of cuids.
10801 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
10804 2000-07-19 Bruce Korb <bkorb@gnu.org>
10806 * fixinc/fixincl.c: Convert to using a table of environment variables
10807 and activate the auto-edit marker on the fixed output files.
10808 * fixinc/fixlib.h: Define the environment table
10809 * fixinc/fixincl.sh: export the ${INPUT} dir
10810 * fixinc/check.tpl: likewise
10812 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10814 * gcc.c (.h spec): Fix typo.
10816 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
10818 * Makefile.in: Fix tradcif.c path.
10820 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10822 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
10825 * cpphash.h (TOKEN_NAME): New macro.
10826 (_cpp_spell_operator): Deleted.
10827 (token_spellings): Now _cpp_token_spellings.
10829 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
10830 * cpplex.c: Use OP and TK macros when expanding the
10831 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
10832 store the stringification of the enumeration name (CPP_CHAR,
10833 etc.) in the name slot of token_spellings.
10834 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
10835 token_spellings directly.
10836 * cpplib.c: Use TOKEN_SPELL.
10838 * cpplex.c (_cpp_push_token): If the token being pushed back
10839 is the previous token in this context, just subtract one from
10841 * cppmacro.c (save_expansion): Clear aux field when storing a
10844 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10846 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
10847 buffer, provided it is not NULL.
10849 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
10851 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
10852 case of invalid volatile re-declaration.
10854 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10856 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
10857 (expand_call): Adjust caller.
10859 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
10861 * diagnostic.h (report_diagnostic): Change prototype.
10863 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
10864 diagnostic_for_decl): Change prototype.
10865 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
10866 error, warning, error_with_file_and_line,
10867 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
10868 Adjust call to report_diagnostic, diagnostic_for_decl.
10869 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
10870 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
10872 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
10873 varaible argument list.
10875 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10877 * cpphash.c: Don't include hashtab.h. Most macro-handling code
10878 moved to cppmacro.c.
10879 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
10880 dump_hash_helper): Delete.
10881 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
10882 cpp_forall_identifiers): New. Implement specialized version of
10883 Vlad's expandable hash table.
10884 (cpp_lookup): Use new functions.
10885 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
10887 * cppmacro.c: New file.
10888 * cppinit.c (dump_macros_helper): New.
10889 (cpp_finish): Iterate over the identifier table directly.
10890 * cpplex.c (parse_name): Calculate the hash of the identifier
10891 while we scan it. Use _cpp_lookup_with_hash when we can.
10893 * cpphash.h: Update prototypes.
10894 (xcnewvec, HASHSTEP): New helper macros.
10895 * cpplib.h: Update prototypes.
10896 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
10897 (cppmacro.o): New rule.
10898 (cpphash.o): Update deps.
10900 * cppmain.c: Do not set pfile->printer if no_output is on.
10902 2000-07-15 Neil Booth <neilb@earthling.net>
10904 * cpplib.c: Change all directive-handler functions to return
10906 * cpphash.h: Update typedefs.
10908 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10910 * configure: Regenerate.
10912 * extend.texi (Extended Asm): Mention that a memory clobber
10913 does not count as a side-effect.
10915 * unroll.c (copy_loop_body): Fix one instance of using host
10916 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
10919 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
10921 2000-07-17 Richard Henderson <rth@cygnus.com>
10923 * config/ia64/ia64.md (movdi): Split out load address code.
10924 New post-reload splitter for symbolic operands.
10925 (movdi_internal): Abort if we didn't split symbolic operands
10926 when we should have.
10927 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
10928 (ia64_reorg): Split insns when not optimizing.
10929 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
10931 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10933 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
10934 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
10936 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10938 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
10940 2000-07-17 Jason Merrill <jason@redhat.com>
10942 * Makefile.in (clean): Remove libgcc directory.
10944 * configure.in (-Wno-long-long check): Use higher-level macros.
10946 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10948 * simplify-rtx.c (simplify_binary_operation): Recognize
10949 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
10950 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
10951 a CONST_INT, it will always be zero.
10953 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10955 * loop.c (check_dbra_loop) : Return if more than one condition is
10956 present to control the loop.
10958 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
10960 * mips.c (mips_expand_prologue): Don't calculate the last argument
10961 register unless we need it. When we are calculating this, make
10962 sure FUNCTION_ARG is giving us a REG.
10964 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10966 * flow.c (libcall_dead_p): Use single_set to verify the insn
10967 has only one set and get for analysis.
10968 (propagate_one_insn): Don't pass the PATTERN of the insn.
10970 2000-07-17 Mark Klein <mklein@dis.com>
10972 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
10974 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10976 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
10977 * configure.in (TARGET_GETGROUPS_T): Evaluate.
10978 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
10979 of second argument of getgroups.
10980 * configure, config.in: Rebuilt.
10982 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10984 * simplify-rtx.c (simplify_relational_operation): Two signed
10985 values with equal high words are less/greater than each other if
10986 their low words are less/greater when considered as unsigned.
10988 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
10990 * configure.in (vax-*-openbsd): Change to new style configuration,
10991 add collect2/float_format information.
10992 * configure: Rebuilt.
10993 * config/vax/openbsd1.h: New.
10994 * config/vax/openbsd.h: New.
10995 * config/vax/t-openbsd: New.
10997 2000-07-17 Chip Salzenberg <chip@valinux.com>
10999 * c-common.c (shorten_compare): Quiet warnings about unsigned
11000 comparisons with zero when they occur in a system header.
11002 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
11004 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
11005 update to describe current practice.
11007 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
11009 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
11010 references to C9X. Change references to -fstd and -flang-isoc9x
11013 * c-common.c (scan_char_table): Allow "z" length modifiers on
11015 (check_format_info): Use TYPE_DOMAIN on the type matched against
11016 for "z" formats, to retrieve the language size_t rather than the
11019 * c-common.c (check_format_info): Do not make a pedantic objection
11020 to the 'L' length modifier if used with a floating point type
11023 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
11024 constants in C99 mode.
11026 2000-07-17 Kazu Hirata <kazu@hxi.com>
11028 * h8300.md: Fix the format of mac.
11029 (movsi_h8300hs): Output a tab after stmac instead of a space.
11031 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
11032 profitable adds/subs sequences.
11034 * fold-const.c: Fix comment typos.
11036 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
11038 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
11040 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11042 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
11044 2000-07-16 Neil Booth <NeilB@earthling.net>
11046 * cpplex.c: Update comments.
11047 * README.Portability: Small update.
11049 2000-07-16 Neil Booth <NeilB@earthling.net>
11051 * README.Portability: Small update.
11053 2000-07-15 Richard Henderson <rth@cygnus.com>
11055 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
11056 * config/ia64/ia64.c (ia64_move_ok): New function.
11057 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
11058 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
11060 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
11062 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
11063 immediately following a paste operator.
11064 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
11065 (cpp_reader_init): Call it, if HOST_EBCDIC.
11066 (cpp_handle_options): Do not sort option list here.
11067 (handle_option): Rename to cpp_handle_option and export.
11068 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
11069 _cpp_get_token directly.
11070 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
11071 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
11072 * cpplib.h: Prototype cpp_handle_option. Update prototype of
11075 2000-07-15 Richard Henderson <rth@cygnus.com>
11077 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
11078 cast around an expression. Tidy other unsigned tests.
11080 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
11082 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
11083 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
11084 (v_message_with_decl): Rename to ...
11085 (format_with_decl): ... this. Tweak
11086 (diagnostic_for_decl): New function.
11087 (fatal_io_error): Use verbatim in lieu of notice.
11088 (announce_function): Use verbatim.
11089 (default_print_error_function): Likewise.
11090 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
11093 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11095 * mips.c (function_arg_pass_by_reference): Don't do automatic
11096 aggregate initialization.
11097 (machine_dependent_reorg): Initialize variable `mode'.
11099 * mips.md (absdi2): Change variable `regno1' to unsigned int.
11100 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
11101 conflicts with sys/param.h macro of the same name.
11102 (reload_outdi): Likewise.
11104 2000-07-15 Michael Meissner <meissner@redhat.com>
11106 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
11107 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
11108 create a new node instead.
11110 2000-07-15 Neil Booth <NeilB@earthling.net>
11112 * README.Portability: Correct example about calling a function
11113 through a pointer to function. Format wide paragraphs.
11115 2000-07-15 Michael Meissner <meissner@redhat.com>
11117 * README.Portability: Update integer suffixes and function
11118 prototype sections.
11120 2000-07-15 Neil Booth <NeilB@earthling.net>
11122 * README.Portability: Small update.
11124 2000-07-15 Neil Booth <NeilB@earthling.net>
11126 * README.Portability: New file.
11128 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
11130 * INSTALL: Give special instructions for building GCC on Irix 6.
11131 * config/mips/x-iris6 (CC): Don't set it.
11134 2000-07-14 Jason Merrill <jason@redhat.com>
11136 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
11137 register in the stack and later in another register, use the new
11140 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
11142 * config/mips/mips.md: (absdi2): Handle sign_extend for
11145 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
11147 * cpplib.c (do_pragma_dependency): Tidy warning messages.
11149 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
11151 * .cvsignore: Correct typo.
11153 2000-07-13 Mark Mitchell <mark@codesourcery.com>
11155 * .cvsignore: Add generated YACC files.
11156 * objc/.cvsignore: New file.
11158 2000-07-14 Neil Booth <NeilB@earthling.net>
11160 * cpplex.c (adjust_column): New funcion.
11161 (skip_whitespace): Use it.
11162 (skip_block_comment): Use it, and warn about /*/* with
11165 2000-07-14 Neil Booth <NeilB@earthling.net>
11167 * cpphash.c (struct macro_info): Add new members.
11168 (_cpp_free_definition): Delete the macro directly.
11169 (count_params): Return void, with first token of
11170 expansion in struct macro_info on success.
11171 (parse_define): Return int. Hoist syntax checking from
11172 save_macro_expansion. Leave call to save_expansion to
11173 _cpp_create_definition.
11174 (alloc_macro): Needs just 2 arguments.
11175 (free_macro): Delete.
11176 (save_expansion): Don't perform syntax check.
11177 (_cpp_create_definition): Call save_expansion.
11179 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11181 * genrecog.c (write_header): Split long string.
11183 * cpphash.c (macro_info): Don't use the `signed' keyword.
11185 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
11187 2000-07-13 Jakub Jelinek <jakub@redhat.com>
11189 * calls.c (stored_args_map): New variable.
11190 (check_sibcall_argument_overlap_1): New.
11191 (check_sibcall_argument_overlap): New.
11192 (expand_call): Initialize stored_args_map.
11193 Call check_sibcall_argument_overlap.
11195 2000-07-13 Bruce Korb <bkorb@gnu.org>
11197 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
11198 (emit_gnu_type): utility procedure for gnu_type_fix
11199 (gnu_type_fix): implement various pre-processor guards around
11200 standard types so these types can be defined over and over
11201 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
11202 types alluded to above will have GNU-compliant base types
11203 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
11204 * fixinc/inclhack.def: add test_text entries and utilize the new
11205 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
11206 * fixinc/fixincl.x: regenerate
11208 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11210 * diagnostic.c (vline_wrapper_message_with_location,
11211 v_message_with_file_and_line, v_error_with_file_and_file,
11212 v_error_for_asm, v_warning_for_asm, vfatal,
11213 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
11214 vsorry, verror, vwarning, vpedwarn): Remove.
11215 (diagnostic_for_asm): New function.
11216 (pedwarn, error, warning, pedwarn_with_file_and_line,
11217 error_with_file_and_line, warning_with_file_and_line, sorry,
11218 error_for_asm, warning_for_asm, fatal): Reimplement.
11219 (finish_diagnostic): Clear diagnostic info as well.
11221 2000-07-13 Neil Booth <NeilB@earthling.net>
11223 * c-common.h (flag_digraphs): New.
11224 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
11225 * c-lex.c (yylex): Use flag_digraphs to decide whether to
11228 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
11230 * gcc.c (do_spec_1): Add new %B operator.
11231 (set_input): Prepare for %B.
11233 (link_command_spec): Move up with the other tm.h-
11234 overrideable specs. Factor out the portion conditional on
11235 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
11236 (struct compiler): Just have a single spec string. All users
11238 (default_compilers): Remove unnecessary braces.
11239 (static_specs): Update.
11241 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
11243 (C and assembly specs): Use the new named specs, as appropriate.
11245 * objc/lang-specs.h: Use the new named specs.
11246 Remove unnecessary braces.
11248 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11250 * gcc.c (execute): If a subprocess gets a fatal signal, report
11251 strsignal() of the signal number, and ask for a bug report.
11252 Do not do this for SIGPIPE if there's already been an error.
11254 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
11255 Delete pipe_closed.
11257 * tradcif.c: Remove.
11259 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11261 * final.c (profile_function): Do not emit profile counters in
11262 the data section, if NO_PROFILE_COUNTERS is defined.
11263 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11266 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11267 (FUNCTION_PROFILER): Just emit a call to mcount.
11269 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11271 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11273 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11274 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11275 traditional, lang_chill, or lang_fortran.
11277 * cppfiles.c: #undef strcmp to suppress warning about macros
11278 used without arguments.
11279 (_cpp_execute_include): Use f, not fname, in "No include path"
11281 (_cpp_pop_file_buffer): New function.
11282 * cpplib.c: Don't include <sys/mman.h>.
11283 (cpp_push_buffer): Set line_base and lineno in new buffer.
11284 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
11286 * cpplex.c: Move all prototypes and structure declarations to the
11287 top of the file. Properly parenthesise some macro arguments.
11288 (cpp_scan_line): New function.
11289 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
11290 don't need to walk up the stack counting.
11292 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11294 * c-common.c (combine_strings): Emit a pedantic warning when a
11295 string length is greater than the minimum ANSI C is required
11298 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
11300 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
11301 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
11303 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11305 * c-decl.c (define_label): Warn about identifier conflicts with
11306 labels in traditional C.
11308 * c-parse.in (unop +): Warn about the unary plus operator for
11311 * c-typeck.c (store_init_value): Warn about automatic aggregate
11312 initialization for traditional C.
11314 * invoke.texi (-Wtraditional): Document new warnings.
11316 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11318 * Makefile.in (c-errors.o): Fix thinko in dependency.
11320 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11322 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
11323 -traditional, -ftraditional, or -traditional-cpp was given.
11324 Do not pass -traditional to the preprocessor.
11325 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
11326 preprocessor does it automatically.
11327 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
11329 * ch/lang-specs.h: Always use tradcpp. Do not pass
11330 -traditional, -trigraphs, or -pedantic to the preprocessor.
11331 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
11334 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11336 * cppexp.c (LOGICAL): Delete macro.
11337 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
11340 * cpphash.c (HASHSIZE): Increase to 4096.
11341 (struct hashdummy): Add hash field.
11342 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
11343 the string values using memcmp.
11344 (cpp_lookup): Set dummy.hash.
11346 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
11348 * configure.in (m88k-openbsd): Express configuration using new fragment
11350 * configure: Rebuilt.
11351 * m88k/aout-dbx.h: New.
11352 * m88k/openbsd.h: New.
11353 * m88k/xm-openbsd.h: New.
11355 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11357 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
11359 2000-07-12 Richard Henderson <rth@cygnus.com>
11361 * reload.c (push_secondary_reload): Make sure to add the new
11362 reload at the end, after acquiring secondary memory.
11364 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11366 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
11368 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
11369 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
11371 * c-parse.in (stmt): Delete unused variables.
11373 * convert.c (convert_to_vector): Likewise.
11375 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
11377 * tree.c (finish_vector_type): Prototype.
11379 2000-07-12 Bruce Korb <bkorb@gnu.org>
11381 * fixinc/fixfixes.c: use xmalloc
11382 * fixinc/fixincl.c(initialize): set program name for xmalloc
11383 * fixinc/fixlib.c(must_malloc): obsolete
11384 (is_cxx_header): no longer used - disabled
11385 (skip_quote): inserted and disabled for future use
11386 * fixinc/fixlib.h: reflects above
11387 * fixinc/fixtests.c: removed dinkleberries
11389 2000-07-12 Neil Booth <NeilB@earthling.net>
11391 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
11392 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
11394 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
11395 struct toklist_dummy): New.
11396 (cpp_free_definition): Free macros with free_macro.
11397 (count_params): Don't save paramter spellings. Save macro
11398 information in a struct macro_info.
11399 (parse_define): Don't allocate a token list.
11400 (save_expansion): Allocate the macro's token list, and
11401 save parameter spellings if necessary. Use TOKEN_SPELL.
11402 (cpp_create_definition): Make list const.
11404 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11406 * c-typeck.c (pedwarn_c99): Move to
11407 * c-errors.c: ... Here.
11408 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
11409 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
11410 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
11411 (c-errors.o): List dependency.
11413 2000-07-12 Mark Mitchell <mark@codesourcery.com>
11415 * c-parse.c: Remove.
11416 * c-parse.h: Likewise.
11417 * c-parse.y: Likewise.
11418 * objc/objc-parse.c: Likewise.
11419 * objc/objc-pasre.y: Likewise.
11421 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
11423 * gcc.texi: Fix minor typos
11424 * extend.texi: Fix minor typos
11426 2000-07-11 Marc Espie <espie@openbsd.org>
11428 * collect2.c (main): Recognize .lo as object files.
11430 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11432 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
11435 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
11436 with MAP_ANONYMOUS and MAP_ANON.
11437 * configure, config.in: Rebuilt.
11439 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11441 * diagnostic.c (save_output_state): Remove.
11442 (restore_output_state): Likewise.
11443 (clear_text_info): New function.
11444 (clear_diagnostic_info): Likewise.
11445 (output_text_length, is_starting_newline, output_prefix,
11446 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
11447 prefixing_policy, output_buffer_ptr_to_format_args): New macros
11448 (set_real_maximum_length, output_set_maximum_length,
11449 output_set_prefix, output_get_prefix, output_set_maximum_length,
11450 output_destroy_prefix, init_output_buffer,
11451 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
11452 output_add_newline, output_add_character, output_add_space,
11453 output_append_r, output_append, wrap_text, output_format,
11454 output_do_printf, output_printf, output_do_verbatim,
11455 output_verbatim, verbatim): Use them.
11456 (output_clear): Split into cleat_text_info and
11457 clear_diagnostic_info.
11458 (struct output_state): Move to...
11460 * diagnostic.h: ...Here
11461 (struct output_buffer): Adjust.
11463 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
11465 * cpplex.c (parse_name): No longer inline (premature optimization).
11466 (do_pop_context): Fold into pop_context.
11467 (pop_context): Returns int.
11468 (lex_next): Hoist test for end of directive into pop_context.
11469 (push_macro_context): Returns int; takes just reader and token.
11470 Hoist test for excessive nesting to caller.
11471 (push_arg_context): Returns void; takes just reader and token.
11472 Do not call stringify_arg or get_raw_token.
11473 (get_raw_token): Convert tail recursion through push_arg_context
11474 to a loop at this level. Call stringify_arg here if appropriate.
11475 (maybe_paste_with_next): Convert tail recursion to a while loop.
11476 Hoist test of paste_level to caller.
11478 (stringify_arg): Push arg context at beginning.
11479 (cpp_get_token): Split out core into _cpp_get_token. Call
11480 process_directive here. Throw away CPP_PLACEMARKER tokens.
11481 (_cpp_get_token): Convert tail recursion through
11482 push_macro_context to a loop at this level.
11483 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
11484 _cpp_get_raw_token): Use _cpp_get_token.
11485 (_cpp_skip_rest_of_line): Drop the context stack directly; do
11486 not call pop_context.
11487 (_cpp_run_directive): Call lex_next directly.
11489 * cpphash.h: Prototype _cpp_get_token.
11490 * cppexp.c (lex): Use it.
11491 * cpphash.c (parse_define): Use it.
11492 * cpplib.c (get_define_node, do_undef, parse_include,
11493 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
11494 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
11495 parse_ifdef, validate_else): Use it.
11496 (cpp_push_buffer): Tweak error message; abort if anyone tries
11497 to push a buffer while macro expansions are stacked.
11499 2000-07-11 Donn Terry <donnte@microsoft.com>
11501 * cpplex.c (free_macro_args, save_token): Cast arg of free
11502 and/or xrealloc to PTR.
11503 (_cpp_init_input_buffer): Clear all fields of the base context.
11505 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
11507 * gensupport.c (process_rtx): Make rtl checking stop
11508 complaining about the define_insn while it is being
11509 converted from a define_insn_and_split.
11511 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
11513 * config/mips/mips.c (simple_memory_operand): Access the
11514 INTVAL of the address, not it's containing MEM.
11516 2000-07-11 Bruce Korb <bkorb@gnu.org>
11518 * fixinc/fixtests.c(double_slash): obsolete
11519 (else_endif_label): likewise
11520 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
11521 (libc1_ifdefd_memx): correct initial comment
11522 and omit the #if/#endif pair from the memxxx declarations
11523 * fixinc/fixincl.x: regen
11525 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11527 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
11529 2000-07-11 Neil Booth <NeilB@earthling.net>
11531 * cpp.texi: Update.
11533 2000-07-11 Neil Booth <NeilB@earthling.net>
11535 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
11536 (handle_option): Set digraphs according to standard.
11537 Merge OPT_lang_c89 handler with OPT_std_c89.
11539 * cpplex.c: (lex_line, can_paste): Honour digraphs in
11540 accordance with the digraphs flag.
11542 * cpplib.h: (struct cpp_options): New option digraphs.
11544 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
11545 Bruce Korb <bkorb@gnu.org>
11547 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
11548 * fixinc/fixincl.x: Regenerate.
11549 * fixinc/tests/base/testing.h: Add testcase.
11551 2000-07-10 Richard Henderson <rth@cygnus.com>
11553 * config/ia64/ia64.c (got_symbolic_operand): New.
11554 (symbolic_operand, move_operand): Revert 0701 change.
11555 * config/ia64/ia64.h (PREDICATE_CODES): Update.
11556 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
11557 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
11558 split the offset into a 14-bit low part instead of a 13-bit low part.
11559 (load_fptr): Mark the mem as unchanging.
11560 (load_symptr): Use got_symbolic_operand.
11562 2000-07-10 Nick Clifton <nickc@cygnus.com>
11564 * libgcc2.c (next_stack_level): Cast result of computation to
11565 (void **) so that the assignment does not generate a warning.
11567 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
11569 * flags.h : Add new variable flag_single_precision_constant.
11570 * toplev.c (display_help) : Add -fsingle-precision-constant option.
11571 (flag_single_precision_constant): New.
11572 * c-lex.c (yylex): Convert floating point constant to single
11573 precision constant.
11574 * invoke.texi : Add documentation for this new option.
11576 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11578 * diagnostic.c (output_octal): Second parameter is unsigned.
11579 (output_long_octal): Likewise.
11580 (output_hexadecimal): Likewise.
11581 (output_long_hexadecimal): Likewise.
11582 (output_format): Adjust arguments extraction. Tweak.
11583 (output_verbatim, verbatim): End variable argument list.
11584 (report_diagnostic): Improve documentation.
11586 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
11588 * c-common.h (build_stmt): Declare.
11589 (build_continue_stmt): Likewise.
11590 (build_break_stmt): Likewise.
11591 (build_return_stmt): Likewise.
11593 * c-decl.c (do_case): Rewrite to do what previously done in
11596 * c-semantics.c (build_stmt): Define.
11597 (build_return_stmt): Likewise.
11598 (build_break_stmt): Likewise.
11599 (build_continue_stmt): Likewise.
11600 (build_case_label): Likewise.
11602 * c-parse.in (BREAK): Change to build tree, then generate RTL.
11603 (CONTINUE): Likewise.
11604 (RETURN): Likewise.
11606 (DEFAULT): Likewise.
11608 * c-parse.y: Regenerate.
11609 * c-pasre.c: Likewise.
11611 2000-07-09 Jason Merrill <jason@redhat.com>
11613 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
11615 * tree.h (STRIP_NOPS): Check for error_mark_node.
11616 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
11617 (dwarf2out_*): Remove duplicate declarations.
11619 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
11620 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
11622 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11624 * diagnostic.c (wrap_text): New function.
11625 (maybe_wrap_text): Likewise.
11626 (output_add_string): Use it.
11627 (output_format): Likewise.
11628 (count_error): Use verbatim instead of notice.
11629 (report_error_function): Likewise. Don't use plain fprintf.
11630 (finish_diagnostic): New function.
11631 (output_do_verbatim): Tweak. Commonalize functionalities in
11632 output_verbatim and verbatim.
11633 (output_verbatim): Adjust.
11634 (verbatim): Likewise.
11635 (report_diagnostic): Define.
11637 * diagnostic.h (report_diagnostic): Prototype.
11639 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
11641 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
11643 2000-07-09 Neil Booth <NeilB@earthling.net>
11645 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
11646 IShspace, ISspace: Update.
11648 * cppinit.c: ISTABLE: Update.
11651 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
11652 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
11653 (skip_block_comment, skip_line_comment, parse_string,
11654 lex_line): Use is_vspace rather than IS_NEWLINE.
11655 (skip_whitespace, lex_line): Clean up to use is_nvspace.
11656 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
11658 (lex_next): Unconditionally stop if within a directive.
11659 Treat directives within macro invocations as directives
11660 (after parse_args emits error), not as the argument.
11662 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
11664 * diagnostic.c (diagnostic_args): New macro.
11665 (diagnostic_msg): Likewise.
11666 (output_formatted_integer): Likewise.
11667 (output_state): New data type.
11668 (digit_buffer): Make global.
11669 (output_add_integer): Rename to output_decimal. Squeeze
11671 (output_long_decimal, output_unsigned_decimal,
11672 output_long_unsigned_decimal, output_octal, output_long_octal,
11673 output_hexadecimal, output_long_hexadecimal): New functions.
11674 (output_append_r): New function.
11675 (output_append): Tweak.
11676 (output_flush_on): Rename to output_to_stream.
11677 (output_format): Change prototype. Improve documentation. Handle
11678 more format specifiers.
11679 (build_location_prefix): Rename to context_as_prefix.
11680 (output_notice): Rename to output_do_printf.
11681 (output_printf): Tweak.
11682 (line_wrapper_printf): Likewise.
11683 (vline_wrapper_message_with_location): Adjust call to renamed
11685 (v_message_with_decl): Likewise.
11686 (default_print_error_function): Likewise.
11687 (save_output_state): New function.
11688 (restore_output_state): Likewise.
11689 (output_do_verbatim): Likewise.
11690 (output_verbatim): Define.
11691 (verbatim): Likewise.
11693 * diagnostic.h (printer_fn): Change return type from void to int.
11694 Improve documentation.
11695 (output_add_integer): Rename to output_decimal.
11696 (output_flush_on, output_format): Don't export.
11697 (output_verbatim, verbatim): Declare.
11699 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
11701 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
11702 Check whether c divides op1 exactly if operation is not
11705 2000-07-08 Richard Henderson <rth@cygnus.com>
11707 * final.c (final): Do not abort when reg-stack introduces
11710 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
11712 * cpplib.h (struct cpp_name): Now struct cpp_string.
11713 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
11714 CPP_HEADER_NAME): Change to type S.
11715 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
11716 field, a cpp_hashnode *. All references to val.name updated
11717 to use val.str or val.node as appropriate.
11718 (struct cpp_reader): Add spec_nodes field.
11719 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
11721 * cpphash.h (struct spec_nodes): New.
11722 (enum spell_type): Reorder. Only SPELL_STRING tokens use
11723 val.str. All references to 'spelling > SPELL_NONE' updated to
11726 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
11727 pfile->buffer->inc are not NULL before dereferencing them.
11729 * cpplex.c (parse_name): Take a pointer to the current token,
11730 plus current position and limit as args; return the new
11731 position; don't copy the text of a name into the string
11732 buffer, instead call cpp_lookup and store the node pointer.
11733 If extending a token, copy out the text of the old into a
11734 scratch buffer, append the new, look that up and store the new
11735 node pointer. Inline.
11736 (maybe_paste_with_next): If the result of paste is a NAME,
11737 then look up the pasted text and store its node pointer.
11738 (lex_line): Adjust for new parse_name interface.
11739 Check for L"str", L'str' using spec_nodes->n_L.
11740 (spell_token): SPELL_IDENT tokens have their spelling in
11741 val.node->name. Handle SPELL_STRING tokens that don't have
11743 (_cpp_expand_name_space,
11744 (can_paste): Check for L ## "str" using spec_nodes->n_L.
11745 (cpp_get_token, special_symbol): No need to call cpp_lookup.
11746 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
11747 return 1=equal 0=not, not a tristate.
11749 * cpphash.c (var_args_str): Delete.
11750 (find_param): Compare node fields directly.
11751 (is__va_args__): Use CPP_PEDANTIC. Just compare
11752 token->val.node with spec_nodes->n__VA_ARGS__.
11753 (dump_funlike_macro): Don't use var_args_str.
11755 * cpplib.c (_cpp_check_directive): Just walk through
11756 spec_nodes->dirs comparing pointers.
11757 (get_define_node, do_pragma_poison, detect_if_not_defined,
11758 parse_ifdef): The identifier has already been looked up.
11759 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
11761 (do_if): Only call detect_if_not_defined at beginning of file.
11762 (_cpp_parse_assertion): Only copy string pointers for
11763 SPELL_STRING tokens.
11764 (pragma_dispatch): Take a node pointer and examine its name
11766 (_cpp_init_stacks): Also initialize the spec_nodes structure.
11768 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
11770 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
11771 reverse order from the corresponding _cpp_init_* routines.
11773 * cppexp.c (parse_number, parse_charconst, parse_defined,
11774 lex): Check val.node->type instead of calling cpp_defined.
11775 Use spec_nodes entries where appropriate.
11777 * fix-header.c, scan-decls.c: Update for interface changes.
11779 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
11781 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
11782 emitting aux_truncdfsf2.
11784 2000-07-03 Donn Terry (donnte@microsoft.com)
11786 * cppinit.c (print_help): split overlong line into ISO C89
11789 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11791 * cppexp.c: Update all code for new lexer interface.
11792 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
11793 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
11794 * cpplex.c (token_names): Trim leading CPP_ from names; make
11795 the strings unsigned.
11796 (_cpp_spell_operator): New.
11797 (is_macro_disabled): Disable all macros if rescanning
11799 (_cpp_get_directive_token): Remove.
11801 * cppinit.c: Don't set no_macro_expand.
11802 * cpplib.c (read_line_number, do_line): Check only for EOF,
11804 * cpphash.h: Update prototypes.
11805 * cpplib.h (CPP_VSPACE): Remove.
11806 (struct cpp_reader): Remove no_macro_expand.
11808 2000-07-08 Neil Booth <NeilB@earthling.net>
11810 * cpphash.c (is__va_args__): New function.
11811 (count_params): Fix line reported in error messages. Use
11812 is__va_args__. Don't return ')' on error. Flag GNU style
11813 rest args macro definitions.
11814 (parse_define): Check macro name is not __VA_ARGS__.
11815 (save_expansion): Check identifier in non-varargs-macro is
11816 not __VA_ARGS__. Don't flag GNU_VARARGS.
11817 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
11818 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
11819 than per-token GNU_VARARGS.
11820 * cpplib.h (GNU_VARARGS): Remove.
11821 (GNU_REST_ARGS): New.
11823 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11825 * i386.md (call_pop, call, call_value_pop): Do not set
11826 current_function_uses_pic_offset_table for calls to static
11827 functions or indirect calls.
11829 2000-07-07 Jim Wilson <wilson@cygnus.com>
11831 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
11832 is_predicate_reg, then take max write_count of register pair.
11834 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11836 * tradcpp.c (main): Rename label `include' to `add_include' to
11837 avoid conflicts with variable `include' in traditional C.
11839 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11841 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
11843 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11845 * sibcall.c (uses_addressof): Add INMEM argument, check for
11846 current_function_internal_arg_pointer outside of MEM rtxs in addition
11848 (sequence_uses_addressof): Update caller.
11850 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11852 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
11855 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11857 * system.h (UNION_INIT_ZERO): New macro for initializing union
11858 members in structs.
11860 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
11862 2000-07-07 Neil Booth <NeilB@earthling.net>
11864 * cpp.texi: Update.
11866 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
11868 * final.c (final): Detect out of bounds array access to
11869 the insn_lengths array.
11871 2000-07-07 Kazu Hirata <kazu@hxi.com>
11873 * fold-const.c (fold): Fix a comment typo.
11875 2000-07-07 Neil Booth <NeilB@earthling.net>
11877 * cpp.texi: Update to new lexer.
11879 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11881 * tradcpp.c: New file.
11882 * tradcif.y: New file.
11883 * tradcif.c: New generated file.
11885 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
11886 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
11887 dependencies of C. Install tradcpp from install-common, in
11890 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11892 * cppinit.c: Include cppdefault.h. Refer to
11893 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
11894 to GCC_INCLUDE_DIR and its length.
11895 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
11896 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
11897 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
11899 (include_defaults_array): Move to cppdefault.c.
11901 * cppdefault.h: New file.
11902 * cppdefault.c: New file.
11904 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
11905 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
11906 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
11909 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11911 * reload.c (push_reload): When seeing if can reuse a register,
11912 check extra registers against widest of INMODE and OUTMODE.
11914 2000-07-06 Neil Booth <NeilB@earthling.net>
11916 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
11917 based on full length of predicate.
11919 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
11921 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
11922 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
11924 2000-07-05 Kazu Hirata <kazu@hxi.com>
11926 * h8300-proto.h: Fix formatting.
11927 * h8300.c: Likewise.
11928 * h8300.h: Likewise.
11930 2000-07-05 Jim Wilson <wilson@cygnus.com>
11932 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
11935 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
11937 * invoke.texi: Fix minor typos
11938 * md.texi: Fix minor typos
11940 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
11942 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
11944 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11946 * cpplex.c: Don't include sys/mman.h.
11947 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
11949 * cpplib.c: Include sys/mman.h and obstack.h.
11950 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
11952 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
11953 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
11954 bother freeing if stack entries (they will be freed with their buffer).
11955 (do_endif): Free if stack entries from the buffer obstack.
11956 (push_conditional): Allocate if stack entries from the buffer obstack.
11958 (find_answer): Rename to _cpp_find_answer.
11959 (do_assert, do_unassert): Update.
11961 * cpphash.h: Update prototypes.
11962 (xobnew): New convenience macro.
11963 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
11965 (struct cpp_hashnode): Remove disabled field.
11967 * cppinit.c: Don't include hashtab.h or splay-tree.h.
11968 (report_missing_guard): Moved to cppfiles.c.
11969 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
11971 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
11972 cpp_cleanup_includes. Don't destroy hashtab or
11973 all_include_files here.
11974 (cpp_finish): Use _cpp_report_missing_guards.
11976 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
11977 (_cpp_init_include_table): Rename _cpp_init_includes.
11978 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
11980 * cppexp.c (parse_assertion): Update for new name of
11983 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
11985 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11987 * cpplib.c (do_ident): s/VSPACE/EOF/
11989 2000-07-05 Neil Booth <NeilB@earthling.net>
11991 * cpplex.c: Fix trigraph replacement within strings.
11993 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11995 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
11997 * xcoffout.c (assign_type_number): Constify.
11998 (xcoffout_source_file): Add static prototype. Don't needlessly
11999 cast away const-ness.
12001 2000-07-04 Jason Merrill <jason@redhat.com>
12003 * frame.h (frame_state): Move base_offset to end.
12005 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12007 * calls.c (emit_library_call_value_1): Revert previous change.
12009 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12011 * fix-header.c (struct partial_proto): Remove unnecessary fields.
12012 (recognized_extern, recognized_function, read_scan_file):
12013 Update for new scheme.
12014 (check_protection): It's still a multiple include guard even
12015 if it doesn't always trigger.
12016 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
12018 * scan.h: Declare struct cpp_token. Update prototypes.
12020 2000-07-03 Neil Booth <neilb@earthling.net>
12021 Zack Weinberg <zack@wolery.cumb.org>
12023 Complete overhaul of the lexer and macro expander.
12025 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
12026 arg, arglist, argdata, reflist, collect_objlike_expansion,
12027 collect_funlike_expansion, collect_params,
12028 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
12029 unsafe_chars, macarg, compare_defs, special_symbol,
12030 scan_arguments, stringify, funlike_macroexpand,
12031 _cpp_quote_string, monthnames): Delete.
12032 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
12033 _cpp_create_definition, _cpp_dump_definition,
12034 dump_hash_helper): Adjust.
12035 (find_param, count_params, parse_define, var_args_str,
12036 check_macro_redefinition, save_expansion): New.
12038 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
12039 parse_string, output_line_command, trigraph_replace,
12040 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
12041 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
12042 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
12043 _cpp_skip_rest_of_line): Modify.
12045 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
12046 find_position, null_warning, bump_column, expand_name_space,
12047 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
12048 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
12049 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
12050 _cpp_prescan): Delete.
12052 (dump_param_spelling, process_directive, lex_next,
12053 is_macro_disabled, stringify_arg, expand_context_stack,
12054 output_token, make_string_token, alloc_number_token,
12055 special_symbol, duplicate_token, maybe_paste_with_next,
12056 can_paste, prevent_macro_expansion, restore_macro_expansion,
12057 get_temp_token, release_temp_tokens, quote_string,
12058 token_names, token_spellings, _cpp_expand_name_space,
12059 _cpp_glue_header_name, _cpp_reserve_name_space,
12060 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
12061 placemarker_token, eof_token, cpp_context, macro_args,
12062 get_raw_token, parse_arg, parse_args, save_token,
12063 push_arg_context, push_macro_context, pop_context,
12064 do_pop_context, free_macro_args, _cpp_get_line,
12065 _cpp_run_directive): New.
12067 * cpplib.c (validate_else, parse_include, push_conditional,
12068 pass_thru_directive, read_line_number, parse_ifdef,
12069 detect_if_not_defined, _cpp_check_directive, do_define,
12070 do_undef, do_include, do_import, do_include_next, do_error,
12071 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
12072 top_pragmas, do_pragma_gcc, do_pragma_implementation,
12073 do_pragma_poison, do_pragma_system_header,
12074 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
12075 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
12076 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
12077 cpp_defined): Update for new scheme.
12078 (strtoul_for_line, get_define_node, dump_macro_name,
12079 _cpp_check_linemarker, _cpp_parse_assertion): New.
12080 (_cpp_handle_directive, do_pragma_default): Delete.
12082 * cpphash.h (struct predicate): Now struct answer.
12083 (enum spell_type, struct token_spelling, struct directive,
12084 directive_handler): New.
12085 Update prototypes. Remove unused macros.
12086 * cpplib.h: Update prototypes. Remove unused macros,
12087 structure definitions, and fields.
12089 * cpperror.c (print_containing_files, v_message): Adjust.
12090 * cppexp.c (parse_assertion, lex, parse_escape,
12091 _cpp_parse_expr): Adjust.
12092 * cppfiles.c (open_include_file, _cpp_execute_include,
12093 _cpp_compare_file_date, cpp_read_file, read_include_file):
12095 * cppinit.c (dump_special_to_buffer): Delete.
12096 (append_include_chain, merge_include_chains, cpp_reader_init,
12097 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
12098 cpp_finish, handle_option, print_help): Adjust.
12099 * cppmain.c (main): Adjust.
12101 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12103 * cppspec.c (lang_specific_driver): Use double quotes in error
12106 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12108 * calls.c (emit_library_call_value_1): Use valreg instead
12109 of hard_libcall_value.
12111 2000-07-03 Geoff Keating <geoffk@cygnus.com>
12113 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
12114 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
12115 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
12123 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
12124 mode instead of wider_mode is being used.
12126 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12128 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
12129 of 'r'. Use q_regs_operand.
12130 (andsi_1+2): Use q_regs_operand.
12132 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12134 * builtins.c (get_memory_rtx): Always put into alias set 0.
12136 2000-07-03 Nick Clifton <nickc@cygnus.com>
12138 * config/arm/arm.md: Fix post increment and pre increment
12139 peepholes so that they do not generate UNPREDICATBLE opcodes.
12140 (ie ones where the increment clobbers the source/destination).
12142 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
12144 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
12145 change too big for -mtiny-stack" a warning, if larger than 63.
12146 (out_set_stack_ptr): Change the logic so -mno-interrupts is
12147 always safe to use on possible future devices.
12148 (function_prologue): Write SPH before SPL, for consistency.
12149 If interrupt_func_p true, we know we have enabled interrupts.
12150 (avr_num_arg_regs): New function. Round up to even number of
12151 bytes if no -mpack-args or if calling a libgcc function.
12152 (function_arg, function_arg_advance): Use it.
12153 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
12154 Output "movw" if available.
12155 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
12156 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
12157 (asm_output_section_name): Add blanks for consistent output.
12158 (encode_section_info): Set TREE_READONLY for progmem data to
12159 avoid gas warnings about changed section attributes.
12160 (avr_hard_regno_mode_ok): Force non-QImode data to start in
12161 even numbered registers on devices with "movw".
12162 * config/avr/avr.h (MASK_*): Define bits for target_flags.
12163 (TARGET_SWITCHES): Mark help strings for translation.
12164 Add new -mpack-args and -menhanced switches.
12165 (TARGET_OPTIONS): Mark help strings for translation.
12166 (progmem_section): Add section attributes.
12167 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
12168 Output "movw" if available.
12169 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
12171 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
12172 call convention (arguments aligned on even registers).
12173 (_cleanup, _exit): Make weak symbols libc can override.
12175 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12177 * fp-bit.h: New file.
12179 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
12180 Comment #endif statements.
12181 (__thenan_sf, __thenan_df): Add missing braces around initializer.
12183 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
12185 * gcse.c (compute_pre_data): Compute ae_kill using other local
12186 properties instead of calling compute_ae_kill.
12188 * alias.c (init_alias_analysis): Do not call
12189 prologue_epilogue_contains until after reload has completed.
12191 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
12193 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
12194 (genrtl_finish_compound_stmt): Likewise.
12195 (genrtl_compound_stmt): Change to return void.
12197 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
12198 move code from here to ...
12199 (genrtl_compound_stmt): ... here.
12200 (genrtl_finish_compound_stmt): Remove.
12201 (expand_stmt): Add comment.
12203 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
12205 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
12208 2000-07-02 Jakub Jelinek <jakub@redhat.com>
12210 * cpplib.h (struct cpp_reader): New field include_depth.
12211 (struct cpp_printer): Rename last_bsd to last_id.
12212 * cppfiles.c (read_include_file): Bump include_depth.
12213 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
12214 (output_line_command): Output correct #line if a header
12215 is including itself and is not protected against multiple inclusion.
12216 Use include_depth instead of buffer_stack_depth, last_id instead of
12218 * cppinit.c (cpp_start_read): Initialize last_id instead of
12221 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
12223 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
12224 (c-semantics.o): New target.
12226 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
12227 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
12228 (genrtl_clear_out_block): Likewise.
12229 (genrtl_goto_stmt): Likewise.
12230 (genrtl_expr_stmt): Likewise.
12231 (genrtl_decl_stmt): Likewise.
12232 (genrtl_if_stmt): Likewise.
12233 (genrtl_while_stmt): Likewise.
12234 (genrtl_do_stmt): Likewise.
12235 (genrtl_return_stmt): Likewise.
12236 (genrtl_for_stmt): Likewise.
12237 (genrtl_break_stmt): Likewise.
12238 (genrtl_continue_stmt): Likewise.
12239 (genrtl_scope_stmt): Likewise.
12240 (genrtl_switch_stmt): Likewise.
12241 (genrtl_case_label): Likewise.
12242 (genrtl_begin_compound_stmt): Likewise.
12243 (gerntl_finish_compound_stmt): Likewise.
12244 (genrtl_compound_stmt): Likewise.
12245 (genrtl_asm_stmt): Likewise.
12246 (genrtl_decl_cleanup): Likewise.
12247 (DECL_ANON_UNION_ELEMS): Likewise.
12248 (emit_local_var): Likewise.
12249 (make_rtl_for_local_static): Likewise.
12250 (expand_cond): Likewise.
12251 (expand_stmt): Likewise.
12252 (c_expand_return): Likewise.
12253 (c_expand_start_case): Likewise.
12254 (do_case): Likewise.
12255 (COMPOUND_STMT_NO_SCOPE): Likewise.
12256 (c_expand_asm_operands): Likewise.
12257 (NEW_FOR_SCOPE_P): New macro.
12258 (expand_expr_stmt_fn): New type.
12260 (set_current_function_name_declared): Likewise.
12261 (current_function_name_declared): Likewise.
12262 (lang_expand_stmt): Likewise.
12263 (stmts_are_full_exprs_p): Likewise.
12264 (anon_aggr_type_p): Likewise.
12265 (lang_expand_expr_stmt): Likewise.
12266 (build_case_label): Likewise.
12268 * c-decl.c (lang_expand_expr_stmt): Initialize.
12269 (stmts_are_full_exprs_p): Define.
12270 (current_function_name_declared): Likewise.
12271 (do_case): Likewise.
12272 (lang_expand_stmt): Likewise.
12273 (set_current_function_name_declared): Likewise.
12274 (anon_aggr_type_p): Likewise.
12276 * c-semantics.c: New file.
12277 (expand_cond): Moved from cp/semantics.c.
12278 (genrtl_do_pushlevel): Likewise.
12279 (genrtl_clear_out_block): Likewise.
12280 (genrtl_goto_stmt): Likewise.
12281 (genrtl_expr_stmt): Likewise.
12282 (genrtl_decl_stmt): Likewise.
12283 (genrtl_if_stmt): Likewise.
12284 (genrtl_while_stmt): Likewise.
12285 (genrtl_do_stmt): Likewise.
12286 (genrtl_return_stmt): Likewise.
12287 (genrtl_for_stmt): Likewise.
12288 (genrtl_break_stmt): Likewise.
12289 (genrtl_continue_stmt): Likewise.
12290 (genrtl_scope_stmt): Likewise.
12291 (genrtl_switch_stmt): Likewise.
12292 (genrtl_case_label): Likewise.
12293 (genrtl_begin_compound_stmt): Likewise.
12294 (genrtl_finish_compound_stmt): Likewise.
12295 (genrtl_compound_stmt): Likewise.
12296 (genrtl_asm_stmt): Likewise.
12297 (genrtl_decl_cleanup): Likewise.
12298 (make_rtl_for_local_static): Moved from cp/decl.c.
12299 (emit_local_var): Likewise.
12300 (expand_stmt): Define.
12302 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
12303 (c_expand_return): Likewise.
12304 (c_expand_start_case): Likewise.
12306 2000-07-01 Richard Henderson <rth@cygnus.com>
12308 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
12309 with the low 13 bits set.
12310 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
12311 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
12312 of the low 13 bits into a CONST plus an adddi3.
12313 (load_symptr): Set RTX_UNCHANGING_P.
12315 See ChangeLog.3 for earlier changes.