1 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
3 * combine.c (cant_combine_insn_p): New function.
6 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
8 * c-parse.in (unary_expr): Move VA_ARG from here ...
9 (primary): ... to here.
11 2000-11-23 Graham Stott <grahams@redhat.com>
13 * expr.c (store_constructor): If a field is non addressable and
14 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
16 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
18 * flow.c (print_rtl_and_abort): New function.
19 (verify_wide_reg, verify_local_live_at_start): Try to dump more
20 information before aborting.
22 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
24 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
25 is narrower than requested mode.
26 (gen_highpart): Abort if register mode is narrower than
29 2000-11-23 Graham Stott <grahams@redhat.com>
31 * cse.c (cse_insn): Initialise all regcost variables.
32 Fix a typo add missing '='.
33 Only compare costs if there is a replacement insn.
35 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
37 * final.c (output_addr_const) [LABEL_REF]: Simplify.
38 [MINUS]: Enclose non-CONST_INTs in parentheses.
39 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
40 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
41 * varasm.c (decode_rtx_const) [CONST]: If it's not something
42 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
43 instead of abort()ing.
44 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
45 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
46 formerly handled in output_pic_addr_const.
47 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
48 operands of MINUS in CONSTs so that decode_rtx_const() will
51 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
53 * config/sh/sh.md (mova_const): New pattern.
54 (GOTaddr2picreg): Use it.
55 * config/sh/sh.c (broken_move): Match it.
56 (mova_p): Don't match it.
57 (machine_dependent_reorg): Adjust it.
59 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
61 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
62 Moved most register-number #defines...
63 * config/sh/sh.md (define_constants): ... here. Use macros to
64 refer to registers and unspecs.
65 * config/sh/sh.c: Likewise.
67 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
69 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
70 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
71 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
72 (splay-tree.o, hash.o): Likewise.
74 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
75 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
76 (hashtab.o): Likewise.
77 (gcov.o): Depend on $(CONFIG_H).
78 * configure.in: #include insn-codes.h in tm.h.
80 2000-11-22 Nick Clifton <nickc@redhat.com>
82 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
83 const char * to avoid a compile time warning.
85 * config/arm/arm.md (define_constants): Define symbolic names for
86 the link register, last integer register and the fake CC register.
87 Update patterns to use these symbolic names.
89 2000-11-22 Neil Booth <neilb@earthling.net>
91 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
92 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
94 2000-11-22 Richard Henderson <rth@redhat.com>
96 * haifa-sched.c (sched_analyze_1): Don't special-case calls
97 for clobbering registers.
98 (sched_analyze_2): Likewise.
99 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
101 2000-11-22 Chris Demetriou <cgd@sibyte.com>
102 Neil Booth <neilb@earthling.net>
104 * gcc.c (validate_switches): Validate multiple switches named
105 in '|' (or) expressions in specs.
106 (handle_braces): If more than 1 alternative in a '|' spec
107 matches, call do_spec1 just once.
109 2000-11-22 Michael Meissner <meissner@redhat.com>
111 * d30v.h (TARGET_SWITCHES): Add documentation strings.
112 (TARGET_OPTIONS): Ditto.
113 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
116 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
118 * pa.c (hppa_encode_label): Account for addition of encoding
119 character when allocating persistent space for the new label
122 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
124 * Makefile.in, config.gcc, configure.in: Expunge remaining
125 traces of facility for running MD files through C preprocessor.
127 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
129 * gcov.texi: Add magic comments for texi2pod.pl.
130 * Makefile.in: Add rules to generate and install gcov.1.
131 * gcov.1: New (generated) file.
133 2000-11-21 Richard Henderson <rth@redhat.com>
135 * regrename.c (scan_rtx_reg): Terminate the chain rather than
136 abort on mark_read with NO_REGS.
138 2000-11-21 Mike Stump <mrs@wrs.com>
140 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
141 compilation with older compilers, such as /bin/cc on SunOS.
142 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
144 2000-11-21 Richard Henderson <rth@redhat.com>
146 * varasm.c (record_constant): Pad the constructed
147 constant_descriptor appropriately.
149 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
151 * rtl.h (traverse_md_constants): Declare.
152 (struct md_constant): Define.
153 * Makefile.in (HOST_RTL): Add hashtab.o .
154 (OBJS): Add hashtab.o .
155 (hashtab.o): New rule.
156 (rtl.o): Depends on HASHTAB_H.
157 * rtl.c (hashtab.h): #include.
158 (md_constants): New static variable.
159 (def_hash, def_name_eq_p, read_constants): New static functions.
160 (traverse_md_constants): New function.
161 (read_name): Do constant expansion.
162 (read_rtx): Recognize define_constants.
163 * gencodes.c (print_md_constant): New function.
164 (main): Emit #defines for all constant definitions encountered.
165 * md.texi (Constant Definitions): New node.
166 * gensupport.c (xcalloc): New function.
168 2000-11-21 Richard Henderson <rth@redhat.com>
170 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
171 * config/alpha/alpha-protos.h: Declare it.
172 * config/alpha/alpha.md (abstf_internal): Use it.
173 (negtf_internal): Likewise.
174 (andnotdi3): Unstar the name.
175 (movtf_internal): Add o/G alternative.
177 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
179 * stringpool.c (stringpool_statistics): Also report number and
180 percentage of entries which are identifiers.
182 2000-11-21 Diego Novillo <dnovillo@redhat.com>
184 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
185 visited before visiting it.
187 2000-11-21 Nick Clifton <nickc@redhat.com>
189 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
190 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
192 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
194 2000-11-21 Richard Henderson <rth@redhat.com>
196 * c-common.c (c_unsafe_for_reeval): New function.
197 (add_c_tree_codes): Register it.
198 * c-common.h: Declare it.
199 * tree.c (lang_unsafe_for_reeval): New hook.
200 (unsafe_for_reeval): Call it.
201 * tree.h: Declare it.
203 2000-11-21 Richard Henderson <rth@redhat.com>
205 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
208 2000-11-21 Neil Booth <neilb@earthling.net>
210 * do_includes: Revert to using cpp_read_file.
212 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
214 * loop.c (consec_sets_giv): If the reg we're examining is anything
215 but UNKNOWN_INDUCT, do nothing.
216 Reset the reg's type to UNKNOWN_INDUCT before returning.
218 Mostly from Vladimir Makarov (vmakarov@redhat.com)
219 * ia64.md (attr itanium_class): Define insn types as described in
221 (all insn patterns): Use itanium_class, not type attributes.
222 Occasionally split alternatives as necessary.
223 (attr type): Compute from new attr itanium_class.
225 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
227 * tradcpp.c (output_line_command): Mark system headers as such in
230 2000-11-21 Jakub Jelinek <jakub@redhat.com>
232 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
233 support in as as well.
234 * configure: Regenerate.
236 2000-11-20 Richard Henderson <rth@redhat.com>
238 * c-lex.c (orig_filename): New variable.
239 (init_c_lex): Set it. Move call to cpp_start_read ...
240 (yyparse): ... here. New function.
241 * c-parse.in (yyparse_1): Rename the parser entry point.
242 * c-tree.h: Declare it.
244 2000-11-21 Jakub Jelinek <jakub@redhat.com>
246 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
247 integer constant, use type of op1 for comparison.
249 2000-11-20 Stan Shebs <shebs@apple.com>
251 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
252 * config/rs6000/x-darwin: New file, Darwin host fragment.
253 * config.gcc (powerpc-*-darwin*): New host.
254 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
255 overridden by a config file.
257 2000-11-20 Neil Booth <neilb@earthling.net>
259 * cppmacro.c (paste_tokens): Rename from paste_payloads.
260 Change token type after pasting spellings.
261 (paste_all_tokens): Use it.
262 * gcc.dg/cpp/paste2.c: Update test.
263 * objc/execute/paste.m: New test.
265 2000-11-20 Richard Henderson <rth@redhat.com>
267 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
268 dwarf_subscr_data_formats bits.
269 * dwarfout.c (simple_type_size_in_bits): Handle a type with
270 no computed size as size zero.
271 (field_byte_offset): Likewise.
272 (subscript_data_attribute): Handle a range with no upper bound.
274 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
276 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
278 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
280 * c-typeck.c (build_conditional_expr): When merging type
281 qualifiers for conditional expressions between a pointer and a
282 pointer to a void type, merge the qualifiers on the target types
283 rather than the pointer type. Remove obsolete conditioned out
286 2000-11-20 Neil Booth <neilb@earthling.net>
288 * c-lang.c (lang_init_options): Update call to
290 * cppmain.c (main): Similarly.
291 * fix-header.c (read_scan_file): Similarly.
292 * cp/lex.c (lang_init_options): Similarly.
293 * objc/objc-act.c (lang_init_options): Similarly.
294 * cppexp.c (parse_number): Only warn for unextended C89.
295 * cppinit.c (set_lang): New function.
296 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
297 (COMMAND_LINE_OPTIONS): New option std=c++98.
298 (cpp_handle_option): Use set_lang.
299 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
300 * cppib.h (enum_c_lang): New enumeration. Update comments.
302 2000-11-20 Will Cohen <wcohen@redhat.com>
304 * calls.c (expand_call): Clear target only when target is in
305 hard register and current_function_check_memory_usage is set.
307 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
309 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
311 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
313 2000-11-19 Richard Henderson <rth@redhat.com>
315 * crtstuff.c (force_to_data): Use array size 1 not 0.
317 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
318 no computed size as size zero.
319 (field_byte_offset): Likewise.
321 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
323 * config.gcc: Fix another typo.
325 2000-11-19 Richard Henderson <rth@redhat.com>
327 * c-decl.c (grokdeclarator): Support flexible array members.
328 Use open-ended ranges for these and zero-length arrays.
329 * c-typeck.c (push_init_level): Validate the context of
330 initialization of a zero-length array.
331 * tree.c (int_fits_type_p): Be prepared for missing bounds.
332 * varasm.c (array_size_for_constructor): New.
333 (output_constructor): Use it for arrays of unspecified length.
334 * extend.texi (Zero Length): Mention C99 flexible array members.
335 Document initialization in a top-level struct as valid.
337 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
339 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
341 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
342 stdarg and varargs functions.
344 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
346 * gcc.c (process_command): Define 'j' variable when
347 MODIFY_TARGET_NAME is defined.
349 2000-11-19 Richard Henderson <rth@redhat.com>
351 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
353 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
355 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
356 calculation and allocation.
358 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
360 * builtins.c (c_getstr): Constify variable.
361 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
362 * conflict.c (const_conflict_graph_arc): New typedef.
363 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
364 * cppmacro.c (builtin_macro): Likewise.
365 * dwarf2out.c (output_comp_unit): Constify variable.
366 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
367 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
368 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
370 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
371 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
372 * varasm.c (const_str_htab_hash, const_str_htab_eq,
373 compare_constant_1, record_constant_1): Constify.
375 2000-11-18 Richard Henderson <rth@redhat.com>
377 * c-decl.c (grokdeclarator): Special case the creation of an
378 index for a zero-length array.
379 * tree.c (build_index_type): Revert Oct 20 change.
381 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
383 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
384 * config/avr/avr.c (jump_tables_size): New variable.
385 (function_prologue): Initialize it as 0.
386 (function_epilogue): Add it to function_size.
387 (avr_output_addr_vec_elt): New function. Count words in jump
388 tables in jump_tables_size. Move code ...
389 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
390 Call avr_output_addr_vec_elt instead.
391 * config/avr/avr.md (tablejump): Remove disabled define_expand.
393 2000-11-18 Mark Mitchell <mark@codesourcery.com>
395 * configure.in: Make --enable-new-gxx-abi the default.
396 * configure: Likewise.
398 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
400 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
402 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
403 Move extern function declarations to tradcpp.h.
405 * tradcpp.c: Likewise.
407 * tradcpp.h: New file.
409 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
411 * c-decl.c (check_for_loop_decls): New function.
412 * c-parse.in (for_init_stmt): New.
413 (select_or_iter_stmt): Use for_init_stmt.
414 * c-tree.h (check_for_loop_decls): New declaration.
416 2000-11-18 Neil Booth <neilb@earthling.net>
418 * cppinit.c: Update comments.
419 (cpp_reader_init): Make -imacro and -include use the standard
420 #include "" search path.
421 (do_includes): New function.
423 2000-11-18 Ben Elliston <bje@redhat.com>
425 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
426 out of a branch delay slot.
428 2000-11-17 Richard Henderson <rth@redhat.com>
430 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
431 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
432 (ASM_FILE_START): Only write out ecoff .file directive if
433 emitting mdebug debugging.
435 2000-11-17 Richard Henderson <rth@redhat.com>
437 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
438 whether as accepts .file/.loc and produces dwarf2 line info.
439 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
440 the assembler supports it.
441 * config.in, configure: Regenerate.
443 2000-11-17 Richard Henderson <rth@redhat.com>
445 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
447 2000-11-17 Jim Wilson <wilson@redhat.com>
449 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
450 Don't clear need_barrier is next_insn is a CALL_INSN, or has
451 instruction type B or UNKNOWN.
453 2000-11-17 Neil Booth <neilb@earthling.net>
455 * cpperror.c (print_file_and_line): Don't display line number if 0.
457 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
459 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
460 digit_vector and digit_string.
461 * stringpool.c (digit_vector): New.
462 (ggc_alloc_string): Use digit_string.
464 * stmt.c (digit_strings): Delete.
465 (init_stmt): Do not initialize digit_strings.
466 (expand_asm_operands): Use ggc.h's digit_string macro.
467 * toplev.c (mark_file_stack): Delete.
468 (compile_file): Don't call init_tree_codes.
469 (main): No need to make the file stack a GC root.
470 * tree.c (init_tree_codes): Delete.
471 * tree.h (init_tree_codes): Delete.
473 * c-lex.c: Don't include ggc.h.
474 (mark_splay_tree_node, mark_splay_tree): Delete.
475 (init_c_lex): No need to ggc_strdup string constant. Don't add
476 file_info_tree to GGC roots.
477 (cb_enter_file, cb_rename_file): No need to ggc_strdup
480 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
482 * dbxout.c (dbxout_init),
483 dwarf2out.c (dwarf2out_line),
484 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
485 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
486 xcoffout.c (xcoffout_source_file),
487 i386.c (load_pic_register):
488 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
490 * except.c (create_rethrow_ref),
491 profile.c (init_edge_profiler),
492 toplev.c (compile_file),
493 varasm.c (named_section, assemble_static_space,
494 assemble_trampoline_template, output_constant_def, force_const_mem),
495 i386.c (load_pic_register),
496 ia64.c (ia64_encode_section_info),
497 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
498 rs6000_emit_prologue, rs6000_emit_epilogue),
499 rs6000.md (load_toc_aix_si, load_toc_aix_di):
500 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
502 * profile.c (output_func_start_profiler),
504 i386.c (load_pic_register): No need to ggc_strdup string constant.
506 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
508 * Makefile.in (config.status): Depend on config.gcc.
509 * configure.in <for machine in $build $host $target>: Move
510 contents of loop into config.gcc, removing autoconf quoting.
511 Fix changequote bug for alpha*-*-vxworks*.
512 * configure: Regenerate.
515 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
517 * c-parse.in (if_prefix): Find the filename and line number at
518 $-2 and $-1 respectively.
519 * diagnostic.c (error_recursion): Add missing newline, use
520 fputs, translate string.
522 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
524 * stringpool.c: New file.
525 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
526 (ggc_alloc_string): Now in stringpool.o.
527 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
528 * ggc.h: Delete prototype of ggc_add_string_root. #define
529 ggc_add_string_root and ggc_mark_string to nothing. Prototype
530 init_stringpool and stringpool_statistics.
531 (ggc_alloc_string): Returns a const char *.
532 * tree.c (hash_table, do_identifier_warnings): Delete.
533 (init_obstacks): Don't initialize the identifier hash table.
534 (get_identifier, maybe_get_identifier, start_identifier_warnings,
535 set_identifier_size): Now in stringpool.c.
536 * tree.h (struct tree_string): Constify pointer field.
537 (approx_sqrt): Prototype.
539 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
541 * toplev.c (approx_sqrt): New function.
542 (compile_file): Call stringpool_statistics if mem_report is on.
543 (main): Call init_stringpool.
545 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
546 (process_directive), c-typeck.c (constructor_asmspec, struct
547 initializer_stack, start_init), except.c (create_rethrow_ref),
548 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
549 (built_in_filename), varasm,c (in_named_name,
550 assemble_static_space, struct constant_descriptor, struct
551 deferred_string, struct pool_constant, force_const_mem),
552 i386.c (pic_label_name, global_offset_table_name), rs6000.c
553 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
555 * c-common.c (combine_strings): Combine strings in scratch
556 buffer, then pass to build_string.
557 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
558 output_func_start_profiler), stmt.c (init_stmt), alpha.c
559 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
560 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
561 rs6000.c (rs6000_encode_section_info): Create string in
562 scratch buffer, then pass to ggc_alloc_string.
564 * stmt.c (expand_asm_operands): If we must adjust the
565 constraint strings, do so by creating a new one, not by
566 modifying the old one in place. Constify some char *s.
567 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
568 argument. Create string in scratch buffer, then pass to
570 * config/pa/pa-protos.h: Update prototype.
571 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
572 hppa_encode_label takes only one argument.
574 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
576 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
579 * cpplib.c (glue_header_name): Likewise.
581 * fixincl.c (run_compiles, start_fixer): Likewise.
583 * fixlib.c (load_file_data): Likewise.
585 * mkdeps.c (munge): Likewise.
587 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
589 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
590 trailing ';'. Fix formatting.
592 2000-11-16 Jim Wilson <wilson@redhat.com>
594 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
595 Shift masks left by one to avoid conflict.
597 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
600 2000-11-16 Nick Clifton <nickc@redhat.com>
602 * config/arm/arm.c (output_arm_prologue): Note nested functions.
603 (arm_expand_prologue): For nested functions preserve the
604 static chain register during stack frame creation.
606 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
607 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
608 with a stack frame there is a 4 byte gap between the arg
609 pointer and the hard frame pointer (used to preserve the
610 static chain register during stack frame creation).
612 2000-11-16 DJ Delorie <dj@redhat.com>
614 * rtl.c (read_rtx): Provide suitable names for unnamed
615 define_insn and define_insn_and_split patterns, based on file
618 2000-11-15 Neil Booth <neilb@earthling.net>
620 * cpplib.c (start_directive, end_directive): New functions.
621 (_cpp_handle_directive, run_directive): Use them.
622 (_cpp_handle_directive): Don't -Wtraditional on indented
624 (_cpp_push_buffer): Don't re-clear was_skipping.
625 * cpplib.h (struct cpp_reader): New member la_saved.
626 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
629 gcc.dg/cpp/_Pragma1.c: Update.
630 gcc.dg/cpp/_Pragma2.c: New test.
632 2000-11-15 Mark Mitchell <mark@codesourcery.com>
634 * toplev.c (wrapup_global_declarations): Don't write out
635 artificial static variables that aren't needed.
637 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
639 * ia64.c (struct group): New structure.
640 (last_group): New static array.
641 (group_idx): New static variable.
642 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
643 New static functions.
644 (emit_insn_group_barriers): Initialize and keep track of group_idx
646 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
647 Replace all calls to emit_insn_after that emit a group barrier to use
648 emit_group_barrier_after.
649 * ia64.h (MASK_B_STEP): New.
650 (other MASK_XXX macros): Renumbered.
651 (TARGET_B_STEP): New.
652 (TARGET_SWITCHES): Add -mb-step.
654 2000-11-15 Fred Fish <fnf@be.com>
656 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
657 machines for which fixincludes is not needed.
658 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
660 2000-11-15 Jason Merrill <jason@redhat.com>
662 * diagnostic.c (finish_abort): New fn.
663 (fancy_abort, error_recursion): Use it.
664 * toplev.c (crash_signal): Likewise.
665 * diagnostic.h: Declare it.
667 2000-11-13 Andrew Haley <aph@redhat.com>
669 * tree.c (build_type_no_quals): New function.
670 * tree.h (build_type_no_quals): Declare.
671 * c-common.c (c_get_alias_set): When considering type
672 compatibility for pointer types, ignore cv-qualifiers anywhere in
675 2000-11-15 Graham Stott <grahams@redhat.com>
677 * regrename.c (scan_rtx_rtx): Skip to the next chain on
678 encountering a terminated chain.
680 2000-11-14 Mark Mitchell <mark@codesourcery.com>
682 * configure.in: Move check for V3 above check for C++ header-file
684 * configure: Regenerated.
686 2000-11-14 DJ Delorie <dj@redhat.com>
688 * config/v850/v850.c: Remove obstacks.
690 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
692 * config/avr/avr.c (avr_case_values_threshold): New.
693 (avr_override_options): Set it depending on options, make it large
694 when not optimizing to work around "unable to generate reloads".
696 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
697 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
698 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
699 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
700 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
701 (avr_case_values_threshold): Declare as extern int.
702 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
704 * config/avr/avr.md (tablejump): Removed.
705 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
706 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
707 index in the table, not multiplied by 2.
708 (casesi): Change to match the above insns. Always enable.
710 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
711 Change to expect the word address of the table, multiply it by 2
712 here and not in the caller. Change "adiw" to faster "inc".
714 2000-11-14 Neil Booth <neilb@earthling.net>
716 * cppexp.c (parse_defined): Call cpp_get_token not
719 * cpplex.c (cpp_output_line): Similarly.
720 * cpplib.c (glue_header_name, do_line, do_ident,
721 parse_answer, parse_assertion): Similarly.
722 (_cpp_handle_diretive): Don't save to lookaheads
723 when processing directives.
724 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
726 (funlike_invocation_p): Don't save to lookaheads
727 when pre-expanding arguments.
728 (_cpp_get_token): Delete.
729 (cpp_get_token): Merge contents of _cpp_get_token.
731 2000-11-14 Jakub Jelinek <jakub@redhat.com>
733 * builtins.c (expand_builtin_setjmp): Set
734 current_function_calls_setjmp.
735 (expand_builtin_longjmp): Set current_function_calls_longjmp.
737 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
738 (do_builtin_setjmp_setup): New insn.
740 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
742 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
743 (int_fits_type_p): For variable bounds, call force_fit_type.
745 2000-11-14 Jakub Jelinek <jakub@redhat.com>
747 * varasm.c (struct deferred_string): New structure.
748 (const_str_htab): New variable.
749 (STRHASH): New macro.
750 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
751 constr_str_htab_eq, const_str_htab_del): New functions.
752 (output_constant_def): Add DEFER argument, defer string
753 constants until mark_constant_pool time if requested.
754 (mark_constant_pool): Walk the insn chain even if const_str_htab is
756 (mark_constants): If a SYMBOL_REF for deferred string is found,
757 output it and remove from hash table.
758 (output_addressed_constants): Set DEFER to 0 in call to
760 * rtl.h (STRING_POOL_ADDRESS_P): Define.
761 (output_constant_def): Adjust prototype.
762 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
764 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
766 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
767 signed types if flag_trapv.
769 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
771 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
774 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
776 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
778 2000-11-14 Jakub Jelinek <jakub@redhat.com>
780 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
781 to array of pool_constnat pointers.
782 (struct pool_constant): Add next_sym and label members.
783 (struct pool_sym): Remove.
784 (init_varasm_status): Change pool_sym into pool_constant.
785 (mark_pool_constant): Mark pc->label string as well.
786 (mark_pool_sym_hash_table): Remove.
787 (mark_varasm_status): Remove it from caller as well.
788 (free_varasm_status): Don't free pool_sym structures.
789 (force_const_mem): Don't allocate pool_sym structure, instead
790 fill pool->label and chain it into rtx_sym hash table.
791 (find_pool_constant, mark_constant_pool): Use pool_constant instead
794 2000-11-14 Jakub Jelinek <jakub@redhat.com>
796 * reload1.c (emit_input_reload_insns): Honour forcing of constants
797 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
799 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
801 * dominance.c: New file.
802 * Makefile.in (OBJS): Add dominance.o.
804 * flow.c (compute_flow_dominators): Remove.
805 (compute_immediate_dominators): Remove.
806 (compute_immediate_postdominators): Remove.
807 * basic-block.h: Remove their prototypes.
808 (calculate_dominance_info): Add prototype.
810 * dce.c (eliminate_dead_code): Change calls to above functions.
811 Don't compute dominators but only immediate dominators.
812 * flow.c (flow_loops_find): Change callers.
813 * gcse.c (compute_code_hoist_data): Likewise.
814 * haifa-sched.c (schedule_insns): Likewise.
815 * ifcvt.c (if_convert): Likewise.
816 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
819 2000-11-14 Richard Henderson <rth@redhat.com>
821 * stmt.c (warn_if_unused_value): Don't warn if the expression
824 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
825 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
827 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
829 * loop.c (basic_induction_var): Revert accidental checkin.
831 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
833 * c-lex.c (cb_leave_file): Harmonize conditions and order of
834 statements to those of process_directive for (action == act_pop).
836 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
838 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
841 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
843 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
846 2000-11-13 Neil Booth <neilb@earthling.net>
848 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
849 cases return without MI check.
850 * cpplib.c (do_diagnostic): Take boolean of whether to
851 print the directive name.
852 (do_error, do_warning): Update.
853 (do_pragma_dependency): Use it.
854 * cpplib.h (VARARGS_FIRST): Delete.
855 (struct cpp_token): Delete integer.
856 * cppmacro.c (enter_macro_context): Move disabled check
858 (_cpp_get_token): Simplify into a single loop.
860 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
862 * configure.in: Use 'test -f' not '[ -e'.
863 * configure: Regenerated.
865 2000-11-13 DJ Delorie <dj@redhat.com>
867 * config/mn10300/mn10300.md (store_movm): Note which registers are
868 really used or clobbered.
870 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
872 * c-parse.in (ends_in_label): Remove from %union and %type.
873 (decls, stmts, lineno_stmt_or_labels, xstmts,
874 lineno_stmt_or_label, stmt_or_label): Remove.
875 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
876 lineno_stmt_decl_or_labels_ending_decl,
877 lineno_stmt_decl_or_labels_ending_label,
878 lineno_stmt_decl_or_labels_ending_error,
879 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
880 lineno_stmt, lineno_label): New.
881 (compstmt_nostart): Use compstmt_contents_nonempty.
883 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
885 * c-common.c (boolean_increment): New function.
886 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
887 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
888 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
889 (boolean_increment): Declare.
890 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
891 * c-decl.c (init_decl_processing): Create boolean nodes.
892 (finish_struct): Allow for _Bool bitfields.
893 * c-parse.in (reswords): Add _Bool.
894 (rid_to_yy): Allow for RID_BOOL.
895 * c-typeck.c (default_conversion): Make booleans promote to int.
896 (convert_arguments, build_unary_op, build_modify_expr,
897 convert_for_assignment): Allow for booleans.
898 * ginclude/stdbool.h: Make conforming to C99.
900 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
902 * c-parse.in (c99_block_start, c99_block_end,
903 c99_block_lineno_labeled_stmt): New.
904 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
905 (stmt): Split off selection and iteration statements into...
906 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
908 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
910 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
913 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
915 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
916 Rewrite to avoid use of match_dup. Don't try to tie registers that
917 are not in the same mode.
919 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
921 * invoke.texi: Update lists of languages and suffixes supported.
923 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
925 * configure.in: Take toplevel configure arguments from the
926 environment to create configargs.h and substitute
927 gcc_config_arguments, taking account of any existing configargs.h
929 * configure: Regenerate.
930 * gccbug.in: Include toplevel configure arguments in gccbug.
932 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
934 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
935 union to make it well-aligned. Update all uses.
937 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
939 * c-parse.in (initelt): Give appropriate pedantic warnings,
940 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
942 (designator): If pedantic, pedwarn for a designator specifying a
944 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
946 * extend.texi: Document the C99 syntax as the preferred syntax,
947 and the pre-2.5 syntax as obsolete. Mention use of designator
948 lists for nested subobjects.
950 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
952 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
953 Add ATTRIBUTE_PRINTF.
954 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
955 Add ATTRIBUTE_PRINTF*.
957 2000-11-12 Mark Mitchell <mark@codesourcery.com>
959 * function.c (assign_parms): When calling put_var_into_stack, make
960 sure that there are no hidden pending sequences.
962 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
964 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
965 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
968 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
970 * c-common.c (c_common_nodes_and_builtins): Declare index and
971 rindex when nonansi builtins are allowed.
973 * extend.texi (index, rindex): Document new builtins.
975 2000-11-12 Mark Mitchell <mark@codesourcery.com>
977 * configure.in: Turn on libstdc++ V3 by default.
978 * configure: Regenerated.
980 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
982 2000-11-12 Jakub Jelinek <jakub@redhat.com>
984 * reload1.c (set_label_offsets): Go inside of PARALLELs.
986 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
988 * invoke.texi: Clean up option summary.
990 2000-11-12 Nick Clifton <nickc@redhat.com>
992 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
995 2000-11-12 Marc Espie <espie@openbsd.org>
997 * configure.in: Fix filds test.
1000 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1002 * jump.c (delete_computation): Don't assume that just becuase an
1003 instruction sets a register, that register is dead.
1005 2000-11-12 Neil Booth <neilb@earthling.net>
1007 * cppexp.c: Don't worry about pfile->skipping.
1008 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
1009 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
1010 for handled directives.
1011 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
1012 and releasing lookaheads.
1013 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
1014 (do_else, do_elif, push_conditional): Update logic.
1015 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
1016 (unwind_if_stack): Inline into cpp_pop_buffer.
1017 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
1018 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
1019 multiple-include optimisation.
1020 * cpplib.h (struct cpp_buffer): New member was_skipping.
1021 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
1022 works because skipping == 0 in directives.
1023 (_cpp_release_lookahead): Renamed from release_lookahead.
1024 (cpp_get_token): No need to check skipping as _cpp_get_token does
1025 this for us. No need to handle MI optimisation.
1027 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
1029 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
1030 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
1031 * fixinc/fixincl.x: Regenerated.
1033 2000-11-11 Bruce Korb <bkorb@gnu.org>
1035 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
1036 (avoid_wchar_t_type): ditto
1037 * fixinc/fixinc.irix: obsoleted
1039 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
1041 * configure.in: Don't add $outputs to all_lang_makefiles. Add
1042 $srcdir/$s/Makefile.in if it exists.
1043 * configure: Regenerate.
1045 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
1047 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
1049 2000-11-11 Jason Merrill <jason@redhat.com>
1051 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
1052 give the parm a register and then call put_var_into_stack.
1053 * stmt.c (expand_decl): Likewise.
1055 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1057 * gcc.texi: Adjust wording.
1059 2000-11-11 Mark Mitchell <mark@codesourcery.com>
1061 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
1062 * fininc/fixincl.x: Regenerated.
1064 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1066 * invoke.texi: Correct spelling of -foptimize-register-move.
1068 2000-11-11 Neil Booth <neilb@earthling.net>
1070 Remove CPP_PLACEMARKERs.
1072 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
1073 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
1074 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
1076 * cpplib.h: Remove CPP_PLACEMARKER.
1077 (struct lexer_state): Rename skip_newlines to next_bol.
1078 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
1079 Simplify prev_white handling as a result.
1080 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
1081 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
1082 (parse_args): Similarly. Update argument count tests.
1083 (enter_macro_context): Return 2 to indicate an empty macro.
1084 (replace_args): Don't bother pre-expanding an empty argument.
1085 Handle placemarkers and ## extension during pre-expansion.
1086 (cpp_get_token): Handle empty macro expansions. Don't worry
1087 about CPP_PLACEMARKERs.
1088 (_cpp_create_definition): Empty macros are now empty.
1089 (cpp_macro_defintion): Don't special case empty macros.
1090 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
1091 * c-lex.c: Similarly.
1093 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1095 * gcc.texi, invoke.texi: Add new section discussing language
1096 standards; link to it where appropriate; refer to ISO C instead of
1099 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
1101 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
1104 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
1107 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1109 * gcc.texi, gcov.texi: Update dates and version numbers.
1111 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
1113 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
1114 flex and bison, specifically, first in a unified build and
1115 then installed on the system.
1116 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
1117 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
1120 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
1121 cppdefault.o): Remove pointless sed munging of source file
1124 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
1126 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
1127 for address reloads. Push replacements for REG_INC notes.
1128 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
1130 * reload1.c (choose_reload_regs): Registers set in the insn can't be
1131 used for RELOAD_OTHER reloads.
1133 2000-11-10 Mark Mitchell <mark@codesourcery.com>
1135 * c-dump.h: New file.
1137 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1139 * alpha.c (check_float_value): Use memcpy, not bcopy.
1140 * arm.c (output_move_double): Likewise.
1142 * m88k.c (legitimize_operand): Likewise.
1143 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1144 * m88k.md: Likewise.
1145 * mips.c (override_options): Likewise.
1146 * mips.md: Likewise.
1147 * romp.c (output_fpops): Likewise.
1148 * rs6000.c (rs6000_override_options): Likewise.
1150 * vax.c (check_float_value): Likewise.
1152 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
1153 * expmed.c (synth_mult): Likewise.
1154 * final.c (add_bb_string): Likewise.
1155 * genattr.c (main): Likewise.
1156 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
1158 * jump.c (thread_jumps): Likewise.
1159 * prefix.c (save_string): Likewise.
1160 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
1161 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
1162 * reload1.c (reload, eliminate_regs): Likewise.
1164 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1166 * gcc.texi (Service): Update to reflect current practice and
1167 location of the GNU service directory.
1169 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
1171 * regrename.c (build_def_use): Mark contents of REG_INC notes as
1172 needing replacement.
1174 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
1175 a no-op move if regs are equal.
1176 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
1177 when calling jump after post-reload splitting.
1179 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
1181 * c-tree.texi: Fix typos.
1182 * extend.texi: Likewise
1183 * gcov.texi: Likewise
1184 * rtl.texi: Likewise
1187 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
1189 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1190 in_system_header and flags[1] before dereferencing flags[2].
1192 2000-11-09 Matthew Hiller <hiller@redhat.com>
1194 * reload1.c (reload_combine): Fixed calculation of
1195 first_index_reg, last_index_reg.
1197 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1199 * c-dump.c (dequeue_and_dump): Dump function bodies.
1201 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1202 (c-dump.o): New target.
1203 * c-common.h (flag_dump_translation_unit): New variable.
1204 (C_TYPE_QUALS): New macro.
1205 (strip_array_types): New function.
1206 (DECL_C_BIT_FIELD): New macro.
1207 (SET_DECL_C_BIT_FIELD): Likewise.
1208 (CLEAR_DECL_C_BIT_FIELD): Likewise.
1209 (dump_info_p): New typedef.
1210 (dump_tree_fn): Likewise.
1211 (lang_dump_tree): New variable.
1212 (dump_node_to_file): New function.
1213 * c-common.c (flag_dump_translation_unit): Define it.
1214 (strip_array_types): New function.
1215 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
1216 * c-lang.c (finish_file): Call dump_node_to_file if
1217 flag_dump_translation_unit.
1218 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
1219 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
1220 * c-dump.c: New file.
1222 2000-11-09 Christopher Faylor <cgf@cygnus.com>
1224 * config/i386/cygwin.h: Add mingw startfile prefix.
1226 2000-11-09 Richard Henderson <rth@redhat.com>
1228 * flow.c (invalidate_mems_from_set): Split out from ...
1229 (mark_set_1): ... here.
1230 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
1231 instead of turning insn into a NOTE_INSN_DELETED.
1233 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1235 * extend.texi, invoke.texi: Move documentation of builtin versions
1236 of C library functions to one place and update.
1238 2000-11-09 Richard Henderson <rth@redhat.com>
1240 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
1241 the types themselves to discover type equivalence.
1243 2000-11-09 Mike Stump <mrs@wrs.com>
1245 * Makefile.in (distclean): Remove a few extra leftovers.
1247 2000-11-09 Richard Henderson <rth@redhat.com>
1249 * recog.c (validate_replace_rtx_1): Consider subregs when
1250 replacing a register with a constant inside a sign/zero_extend.
1252 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1254 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
1256 * c-decl.c (finish_struct): When a structure is completed,
1257 check all its variant types for completeness.
1259 2000-11-09 Neil Booth <neilb@earthling.net>
1261 * cpphash.c: Move cpp_defined here from cpplib.c.
1262 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
1263 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
1264 * cppmacro.c (cpp_get_token): Update comments, no need now
1265 to catch the CPP_EOF meaning EOL case.
1267 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
1269 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
1270 is more than that provided, copy to a temporary.
1272 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
1274 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
1275 interpreting $out as a macro assignment.
1276 * Makefile.in (T_TARGET): New auxiliary macro and target.
1277 (all): Add a target right in the beginning, so that we don't build
1278 T_TARGET by default.
1280 2000-11-09 Graham Stott <grahams@redhat.com>
1282 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
1283 order for -mintel-syntax. Remove comment now that the operand
1284 order has been checked.
1285 (mmx_pextrw): Likewise.
1286 (mmx_pshufw): Likewise.
1288 2000-11-09 Jakub Jelinek <jakub@redhat.com>
1290 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
1291 (c_getstr): New function.
1292 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
1293 If both arguments are constant string, optimize out.
1294 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
1295 (expand_builtin_strpbrk): Use c_getstr, do nothing if
1296 -fcheck-memory-usage.
1297 (expand_builtin_fputs): Likewise.
1298 (expand_builtin_strcmp): Add MODE argument.
1299 Use even if !HAVE_cmpstrsi.
1300 Optimize the case when both arguments are constant strings.
1301 (expand_builtin): Adjust expand_builtin_strcmp caller.
1302 Call expand_builtin_strchr and expand_builtin_strrchr.
1303 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
1305 * builtins.def (BUILT_IN_STRRCHR): Add.
1307 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1309 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
1311 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
1313 * calls.c (expand_call, emit_library_call_value_1), collect2.c
1314 (scan_prog_file), config/a29k/a29k.c (print_operand),
1315 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
1316 instead of bcopy ().
1317 * real.h: Use memcmp () instead of bcmp ().
1318 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
1319 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
1320 ultrasparc_sched_init, ultrasparc_sched_reorder),
1321 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
1322 instead of bzero ().
1323 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
1324 instead of rindex ().
1325 * configure.in: Don't check for bzero, bcmp, index or rindex.
1326 * configure, config.in: Regenerate.
1327 * system.h: Don't include declarations for bzero, bcmp, index or
1329 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
1330 bzero, bcmp, index or rindex.
1332 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
1334 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
1335 include and library paths from -mcygwin case. Parameterize some
1336 declarations to avoid warnings. Use standard locations for include and
1339 2000-11-08 Nick Clifton <nickc@redhat.com>
1341 * config/arm/arm.md (mulsidi3adddi): Change output operand
1342 constraint from "=&" to "+&".
1343 (umulsidi3adddi): Change output operand constraint from "=&" to
1346 2000-11-08 Richard Henderson <rth@redhat.com>
1348 * flow.c (init_propagate_block_info): Protect the rtx stored in
1349 mem_set_list from modification by find_auto_inc.
1350 (mark_set_1): Likewise.
1352 2000-11-08 Neil Booth <neilb@earthling.net>
1354 Move directive handling into the lexer itself.
1356 * cpplex.c (_cpp_lex_token): Handle directives directly.
1357 In the case of a directive interrupting a function-like
1358 macro invocation, use extra_char since read_ahead is
1359 used to store the '#'. Return a CPP_EOF in this case.
1360 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
1361 (cpp_get_token): Don't handle directives here.
1362 * cpplib.h: Remove CPP_DHASH token type.
1364 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
1366 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
1367 formed using PRE_MODIFY too.
1369 2000-11-08 Mark Mitchell <mark@codesourcery.com>
1371 * c-tree.texi (VAR_DECL): Describe representation of GCC's
1372 extension for placing variables in particular registers.
1374 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
1375 unprototyped C functions with no parameters.
1377 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1379 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
1380 before passing to fprintf.
1382 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1384 * function.c (expand_function_start): Cast GET_MODE_SIZE to
1385 HOST_WIDE_INT before negating it.
1387 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1389 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
1390 passed in multiple non-contiguous locations.
1392 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1394 * README.gnat: Remove file.
1396 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
1398 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
1401 2000-11-07 Richard Henderson <rth@redhat.com>
1403 * dwarfout.c (INSN_LABEL_FMT): Remove.
1404 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1405 (dwarfout_label): Remove.
1406 * dwarfout.h: Remove it's prototype.
1407 * dwarf2out.c (INSN_LABEL_FMT): Remove.
1408 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1409 (dwarf2out_label): Remove.
1410 * dwarf2out.h: Remove it's prototype.
1411 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
1413 2000-11-07 Richard Henderson <rth@redhat.com>
1415 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
1416 search on the unwind region section.
1418 * config/ia64/ia64.md (movbi): Add r/r alternative.
1419 (cmovdi_internal_astep): Describe all combinations of register
1420 classes for sources & destinations; remove matching constraints.
1421 (cmovdi_internal): Likewise.
1423 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
1425 2000-11-07 Richard Henderson <rth@redhat.com>
1427 * c-lang.c (start_cdtor, finish_cdtor): New functions.
1428 (finish_file): Use them in building constructor/destructor functions.
1430 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
1431 LD_FINI_SWITCH): Move ...
1432 * config/alpha/osf.h: ... here.
1433 * config/alpha/alpha-interix.h: Don't undef them.
1435 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
1437 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
1438 included in libgcc.a.
1440 (dp-bit.c): Likewise.
1441 (fp-bit.c): Likewise.
1443 2000-11-07 Nick Clifton <nickc@redhat.com>
1445 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
1446 (INTERNAL_ASM_OP): Add missing tab.
1448 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1450 * alias.c (init_alias_analysis), calls.c (expand_call,
1451 emit_library_call_value_1), combine.c (init_reg_last_arrays),
1452 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
1453 (init_output_buffer, set_diagnostic_context), dwarf2out.c
1454 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
1455 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
1456 function.c (assign_parms), gcse.c (compute_can_copy,
1457 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
1458 compute_hash_table, compute_set_hash_table,
1459 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
1460 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
1461 clear_units, schedule_block), integrate.c (initialize_for_inline,
1462 expand_inline_function), jump.c (thread_jumps), local-alloc.c
1463 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
1464 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
1465 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
1466 record_reg_classes, allocate_reg_info), reload.c
1467 (get_secondary_mem, remove_address_replacements, find_reloads),
1468 reload1.c (reload, set_initial_label_offsets, finish_spills,
1469 reload_as_needed, choose_reload_regs_init,
1470 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
1471 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
1472 (rename_registers), stmt.c (expand_end_case), unroll.c
1473 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
1474 () instead of bzero ().
1476 2000-11-07 Neil Booth <neilb@earthling.net>
1478 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
1480 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1482 * c-common.c (combine_strings): Only warn about long strings for C.
1484 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
1486 * combine.c (distribute_notes): Fix typo in last change.
1488 2000-11-07 Geoff Keating <geoffk@redhat.com>
1490 * config/rs6000/rs6000.md (movdi_internal32+1): Use
1491 operand_subreg_force rather than gen_rtx_SUBREG.
1492 (movdi_internal32+2): Likewise.
1494 2000-11-07 Philip Blundell <philb@gnu.org>
1496 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
1497 * config/arm/linux-aout.h: Likewise.
1498 * configure: Regenerate.
1500 2000-11-07 Philipp Thomas <pthomas@suse.de>
1502 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
1503 accepted my the gettext maintainer.
1505 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1507 * builtins.c (expand_builtin_strpbrk): New function.
1508 (expand_builtin): Handle BUILT_IN_STRPBRK.
1510 * builtins.def (BUILT_IN_STRPBRK): New entry.
1512 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1515 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
1517 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
1518 * POTFILES.in: Add config/alpha/freebsd.h
1519 * configure.in: Add alpha*-freebsd support.
1520 * configure: Regenerate.
1522 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1524 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
1525 copy of ptr_type_node rather than ptr_type_node itself.
1527 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
1529 * combine.c (recog_for_combine): Allocate uninitialized vector with
1531 * recog.c (apply_change_group): Likewise.
1533 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
1535 * flow.c (verify_local_live_at_start): Back out last change.
1536 * combine.c (distribute_notes): When parts of a hard reg are
1537 neither set nor referenced in PLACE, search backwards for a
1538 place to put a REG_UNUSED note; if none found, ask for flow
1541 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
1543 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
1544 with (clobber (match_scratch...)).
1546 2000-11-06 Neil Booth <neilb@earthling.net>
1548 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
1551 2000-11-06 Neil Booth <neilb@earthling.net>
1553 * tradcpp.c (special_symbol): Assign an null string rather
1554 than writing to an unallocated buffer.
1556 2000-11-06 Neil Booth <neilb@earthling.net>
1558 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
1561 2000-11-06 Neil Booth <neilb@earthling.net>
1563 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
1564 tok.val.arg_no as appropriate.
1565 * cppexp.c (lex): Similarly.
1566 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
1567 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
1568 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
1569 cpp_macro_definition): Similarly.
1570 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
1572 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1574 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
1575 operands[1] is constant, calculate the sum and generate movdi.
1576 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
1577 (subsi3): Use SImode in call to arith_4096_operand.
1579 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1581 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
1582 adjust %o1, not %o0 if the return type is large structure.
1584 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1586 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
1587 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
1589 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
1591 * expmed.c (expand_divmod): For signed divide by 2, prefer
1592 a branch and fewer shifts if branches are very cheap.
1594 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
1596 * Makefile.in: Remove all targets related to building
1597 distributions and diffs, or INSTALL.
1598 * INSTALL, install1.texi: Remove.
1599 * configure.in: Remove mention of distdir.
1600 * configure: Regenerate.
1601 * objc/Make-lang.in: Remove mention of distdir.
1603 2000-11-04 Neil Booth <neilb@earthling.net>
1605 * cpp.texi: Update for _Pragma.
1607 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
1609 * gcc.texi (Contributing): Update URL for projects web page.
1611 2000-11-04 Neil Booth <neilb@earthling.net>
1613 * cpplex.c (parse_string): Don't allow multiline strings in
1614 #include family directives.
1616 2000-11-04 Neil Booth <neilb@earthling.net>
1618 * cpplib.c (do_line): Only warn pedantically if not reading
1621 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
1623 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
1626 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
1628 * builtins.c (expand_builtin_strlen): Remove unused mode
1630 * gcc.c (process_command): Remove unused variable.
1631 * fold-const.c: Include expr.h.
1632 * recog.c: Include reload.h.
1633 * Makefile.in (recog.o, fold-const.o): Update deps.
1635 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
1637 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
1639 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
1641 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
1643 (STARTFILE_SPEC): Likewise.
1644 (LINK_SPEC): Likewise.
1646 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1648 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
1649 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
1650 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
1652 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
1654 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
1655 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
1656 perm_calloc, get_identifier, maybe_get_identifier,
1657 real_value_from_int_cst, simple_cst_equal), varasm.c
1658 (assemble_name, assemble_real, immed_real_const_1,
1659 compare_constant_1, decode_rtx_const, output_constant_pool): Use
1660 strrchr () instead of rindex (). Use memcmp () instead of bcmp
1661 (). Use memcpy () instead of bcopy (). Use memset () instead of
1664 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
1666 * cppfiles.c (open_file): If already read, then don't reopen.
1667 Immediately close an empty file.
1669 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1671 * expr.h (fold_builtin): Move declaration...
1672 * tree.h (fold_builtin): ... here.
1674 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
1676 * flow.c (verify_local_live_at_start): Allow hard regs to die.
1678 2000-11-02 Neil Booth <neilb@earthling.net>
1681 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
1682 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
1683 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
1684 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
1685 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
1686 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
1687 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
1688 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
1689 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
1690 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
1691 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
1692 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
1693 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
1694 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
1695 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1696 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
1697 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
1698 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
1699 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
1700 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
1701 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
1702 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
1703 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
1704 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
1705 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
1706 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
1707 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
1708 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
1709 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
1710 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
1711 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
1712 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
1713 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
1714 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
1715 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
1716 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
1717 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
1718 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
1719 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
1720 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
1721 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
1722 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
1723 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
1724 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
1725 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
1726 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
1727 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
1728 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
1729 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
1730 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
1731 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
1732 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
1733 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
1734 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
1735 vax/vaxv.h, vax/vms.h, we32k/we32k.h
1737 Replace -A() with -A=, the new assertion syntax.
1739 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
1741 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
1743 In REG_DEAD handling: When handling parts of multi-hard-reg hard
1744 registers, increment the loop counter by the size of the parts;
1745 use recursion to handle individual parts.
1747 2000-11-02 Neil Booth <neilb@earthling.net>
1749 * configure.in: Make integrated CPP the default.
1750 * configure: Regenerate.
1752 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
1754 * reload.c (find_equiv_reg): Test all hard registers for membership
1755 in the requested class.
1757 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1759 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
1760 process_command, main), gcov.c (open_files, output_data), tlink.c
1761 (frob_extension, scan_linker_output), toplev.c
1762 (file_name_nondirectory): Use strchr () and strrchr () instead of
1763 index () and rindex ().
1765 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
1767 * c-common.c (get_flag_spec, check_format_info_main,
1768 check_format_types): Use strchr () instead of index (). Compare
1769 against error_mark_node instead of comparing the TREE_CODE against
1772 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
1776 * c-lex.c (init_c_lex): Update cpp_start_read call.
1777 (cb_ident): Update for new callback prototype.
1778 (cb_def_pragma): Update for new cpp_get_token prototype.
1779 (c_lex): Similarly. Use cpp_get_line.
1781 * c-parse.in (finish_parse): Update for new cpp_finish
1784 * cp/lex.c (finish_parse): Similarly.
1786 2000-11-01 Geoff Keating <geoffk@cygnus.com>
1788 * machmode.def: Add V16QImode.
1790 2000-11-01 Richard Henderson <rth@redhat.com>
1792 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
1793 from rtl_for_decl_location.
1794 (add_location_or_const_value_attribute): Likewise.
1796 2000-11-01 Neil Booth <neilb@earthling.net>
1798 * cpplib.c (run_directive): Use correct line number for output
1799 of _Pragma. Remember any in-progress directive.
1801 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
1803 2000-11-01 Richard Henderson <rth@redhat.com>
1805 * stmt.c (expand_start_null_loop): Set continue_label.
1807 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1809 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
1810 (expand_builtin_constant_p): Move parts of the code into
1811 fold_builtin_constant_p.
1812 (expand_builtin_strlen): Move parts of the code into fold_builtin.
1813 * expr.h (fold_builtin): Declare.
1814 * fold-const.c (fold): Handle builtin calls.
1816 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
1818 2000-11-01 Richard Henderson <rth@redhat.com>
1820 * stmt.c (expand_start_null_loop): New.
1821 (expand_end_null_loop): New.
1822 * c-semantics.c (genrtl_do_stmt): Use them.
1823 * tree.h: Declare them.
1825 2000-11-01 Richard Henderson <rth@redhat.com>
1827 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
1829 2000-11-01 Neil Booth <neilb@earthling.net>
1831 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
1832 * cp/spew.c: Similarly.
1833 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
1834 * cppmacro.c (stringify_arg): Similarly.
1835 * cpplib.h (CPP_BACKSLASH): Delete.
1837 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1839 * builtins.c (expand_builtin_strstr): New function.
1840 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
1842 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
1844 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
1847 2000-10-31 Richard Henderson <rth@redhat.com>
1849 * config/i386/i386.c (fcmov_comparison_operator): Check for
1850 CCFPmode or CCFPUmode instead of CCmode.
1851 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
1852 unordered operations as well.
1854 2000-10-31 Richard Henderson <rth@redhat.com>
1856 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
1857 of integer_zero_node.
1859 2000-10-31 Richard Henderson <rth@redhat.com>
1861 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
1863 2000-10-31 Nick Clifton <nickc@redhat.com>
1865 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
1866 -fdata-sections to override the section attribute of a DECL.
1868 2000-10-31 Chris Demetriou <cgd@sibyte.com>
1870 * libgcc2.c (__shtab): Remove __shtab variable.
1871 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
1872 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
1875 2000-10-31 Jim Wilson <wilson@redhat.com>
1877 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
1878 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
1879 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
1880 instead of ASM_OUTPUT_INTERNAL_LABEL.
1881 (dwarf2out_end_block, dwarf2out_label): Likewise.
1882 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
1883 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
1885 2000-10-31 Richard Henderson <rth@redhat.com>
1887 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
1888 (size_of_locs): Set it.
1889 (output_loc_operands): Use it to compute branch displacement.
1890 (int_loc_descriptor): New.
1891 (mem_loc_descriptor): Dereference memory in the proper size.
1892 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
1893 (loc_descriptor_from_tree): New.
1894 (rtl_for_decl_location): Break out from ...
1895 (add_location_or_const_value_attribute): ... here.
1896 (add_bound_info): Use loc_descriptor_from_tree.
1898 2000-10-31 Neil Booth <neilb@earthling.net>
1900 * cpp.texi: Update for new command line assertion syntax.
1901 * cpplib.c (cpp_define): Simplify a bit.
1902 (cpp_assert, cpp_unassert): Use handle_assertion.
1903 (handle_assertion): New function; accept new command line
1905 * testsuite/gcc.dg/cpp/assert3.c: New tests.
1907 2000-10-31 Neil Booth <neilb@earthling.net>
1909 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
1910 undefined. Remove #ifdef check.
1911 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
1912 Define STDC_0_IN_SYSTEM_HEADERS to 1.
1914 2000-10-31 Jan Hubicka <jh@suse.cz>
1915 Jakub Jelinek <jakub@redhat.com>
1917 * config/i386/i386.h: Clarify CCNOmode description in comment.
1918 (EXTRA_CC_MODES): Remove CCRCmode.
1919 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
1920 (put_condition_code, ix86_match_ccmode): Likewise.
1921 (ix86_cc_mode): Likewise. Fix comment.
1922 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
1923 * config/i386/i386.md: Add unspec 12 description.
1924 (adddi3 split): Use unspec 12 instead of CCRCmode.
1925 (addsi3_carry_rc): Remove.
1926 (addsi3_cc, addqi3_cc): New patterns.
1927 (addsi_3): Swap operands, match CCZmode.
1928 (addsi_4): Rewritten.
1929 (addsi_5): Renamed from addsi_6.
1931 (addhi_3): Swap operands, match CCZmode.
1932 (addhi_4): Rewritten.
1933 (addhi_5): Renamed from addhi_6.
1935 (addqi_3): Swap operands, match CCZmode.
1936 (addqi_4): Rewritten.
1937 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
1938 (subsi3_carry_rc): Removed.
1939 (iorqi_3): Use =q constraint for clobber.
1940 (xorqi_cc_2): Likewise.
1941 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
1942 (x86_movsicc_0_m1_rc): Removed.
1943 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
1945 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
1947 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
1948 and decrement of complex types.
1950 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1952 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
1953 builtin fputs, ensure we still evaluate the stream in case it
1956 2000-10-31 Jakub Jelinek <jakub@redhat.com>
1958 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
1961 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
1963 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
1964 (fp_extended_operand, emit_fpscr_use): Likewise.
1965 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
1966 (fpul_operand): New function.
1967 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
1968 fp_extended_operand. Add fpul_operand.
1969 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
1970 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
1971 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
1972 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
1973 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
1974 (divdf3_i): Likewise.
1975 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
1976 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
1977 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
1978 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
1979 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
1981 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
1983 * config/i386/i386.c (ix86_init_builtins): Correct return type
1984 building v4hi_ftype_v4hi_int_int tree node.
1985 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
1986 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
1988 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
1990 (mmx__uavgv8qi3): Correct insn mnemonic.
1991 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
1992 (mmx_punpckhwd): Correct insn mnemonic.
1993 (mmx_punpckhdq): Likewise.
1994 (mmx_punpcklwd): Likewise.
1995 (mmx_punpckldq): Likewise.
1996 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
1997 Renumber case labels to match the _mm_prefetch constants defined in
2000 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
2001 if the splitter didn't emit new insns.
2002 Make sure we call cleanup_subreg_operands even when splitting the last
2003 insn in a basic block.
2005 * invoke.texi (Debugging Options): Describe -do.
2006 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
2007 (dump_file): Likewise.
2008 (rest_of_compilation): Split .greg dump into .greg and .postreload.
2010 2000-10-30 Neil Booth <neilb@earthling.net>
2012 * cppfiles.c (stack_include_file): Check for stacked contexts
2014 * cpphash.h (_cpp_do__Pragma): New prototype.
2015 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
2017 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
2018 escaped newlines if !(buffer->from_stage3).
2019 (_cpp_lex_token): Warn about missing newlines iff
2020 !buffer->from_stage3.
2022 * cpplib.c (get__Pragma_string, destringize,
2023 _cpp_do__Pragma): New functions.
2024 (run_directive): Set output_line for _Pragma to avoid line
2025 markers in output. Set from_stage3 and prevent macro expansion
2026 for _Pragma and command-line options. Check buffer exhaustion.
2027 (cpp_push_buffer): Don't check for stacked macro contexts, as
2028 this is perfectly legitimate for _Pragma. Move the check to
2029 stack_include_file instead. Set from_stage3 iff buffer is
2032 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
2033 unsigned. New boolean from_stage3.
2034 (struct spec_nodes): Add n__Pragma.
2036 * cppmacro.c (enter_macro_context): Flip sense of return value.
2037 (_cpp_get_token): Handle _Pragma operator.
2039 2000-10-30 Phil Edwards <pme@sources.redhat.com>
2041 * gcc.texi: The C++ standard isn't "draft" anymore.
2043 2000-10-30 Mark Mitchell <mark@codesourcery.com>
2045 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
2047 2000-10-29 Neil Booth <neilb@earthling.net>
2049 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
2051 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
2053 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
2054 fixinc/inclhack.def: Change comments mentioning C9X to refer to
2057 * invoke.texi: Document that -V will only work for very similar
2058 versions of driver and compiler.
2060 2000-10-29 Neil Booth <neilb@earthling.net>
2062 * cppmacro.c (_cpp_create_definition): Optimize the case of
2063 a macro defined to itself.
2065 2000-10-29 Neil Booth <neilb@earthling.net>
2067 * cpplex.c (save_comment): Don't store new lines in C++ comments.
2069 2000-10-29 Michael Hayes <mhayes@redhat.com>
2071 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
2073 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
2075 * cpphash.c (cpp_forall_identifiers): Add context variable
2076 for callback routine.
2077 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
2079 (main): Call cpp_forall_identifiers with null context.
2080 * cpplib.h (cpp_forall_identifiers): Update prototype.
2082 * cppmain.c: Make `parse_in' and `print' static.
2084 2000-10-28 Alan Modra <alan@linuxcare.com.au>
2086 * c-decl.c (finish_function): Clear c_function_name_declared_p.
2088 2000-10-28 Richard Henderson <rth@redhat.com>
2090 * regrename.c (scan_rtx_address): Frob action, not class,
2091 when trying to disable optimization.
2093 2000-10-28 Mark Mitchell <mark@codesourcery.com>
2095 * c-semantics.c (make_rtl_for_local_static): Don't clobber
2096 DECL_ASSEMBLER_NAME.
2098 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
2100 * configure.in: Determine and substitute gcc_version_full.
2101 * configure: Regenerate.
2102 * gccbug.in: Use it to give full version. Don't allow
2105 2000-10-28 Richard Henderson <rth@redhat.com>
2107 * recog.c (split_all_insns): Run cleanup_subreg_operands
2110 * regrename.c (regrename_optimize): Verify that all registers of
2111 a multiple register mode are available.
2112 (scan_rtx_address): Accept the mode of the address; all callers
2115 * cpplib.c (run_directive): Fix prototype.
2117 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
2119 * reload.c (find_reloads): Distinguish "wins" so that we know whether
2120 a given operand won because of a matching constraint or not; then use
2121 that information to compute goal_alternative_matched properly.
2122 * reload1.c (choose_reload_regs): Never set reload_override_in for an
2125 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
2126 accurate value for MULT.
2127 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
2128 2% or > 98% before using static branch prediction bits.
2130 2000-10-28 Neil Booth <neilb@earthling.net>
2134 * cpplib.c (struct answer): New.
2135 (struct if_stack): Use cpp_lexer_pos rather than line and col.
2136 Rename cmacro mi_cmacro.
2137 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
2138 IN_I): New directive and flags.
2139 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
2140 parse_answer, parse_assertion, find_answer): New functions.
2141 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
2142 (lex_macro_node): New function to replace parse_ifdef and
2145 (_cpp_handle_directive): New function, combines _cpp_check_directive
2146 and _cpp_check_linemarker.
2148 (do_define, do_undef, parse_include, do_include, do_import,
2149 do_include_next, read_line_number, do_line, do_ident, do_pragma,
2150 do_pragma_once, do_pragma_poison, do_pragma_dependency):
2151 Update for new token getting interface.
2153 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
2154 : Update for new multiple-include optimisation technique.
2155 (do_elif): Don't forget to invalidate controlling macros.
2157 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
2158 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
2159 Functions to handle assertions with the new token interface.
2160 (do_assert, do_unassert): Use them.
2162 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
2165 (_cpp_init_stacks): Register directive names. Don't register special
2168 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
2169 new position recording regime.
2170 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2171 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
2172 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
2173 (cpp_type2name): Move to cpplex.c.
2175 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
2176 (parse_defined): Update to handle new multiple include optimisation
2177 method. Remove poisoned identifier warning.
2178 (parse_assertion, TYPE_NAME): Delete.
2179 (lex): Update for multiple include optimisation, removal of
2180 CPP_DEFINED, to use _cpp_test_assertion for assertions and
2182 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
2183 (op_as_text): New function, to wrap cpp_token_as_text.
2185 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
2186 Update for MI optimisation.
2187 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
2188 segfault on diagnostic.
2189 (_cpp_compare_file_date): Take a token rather than 3 args.
2190 (cpp_read_file): Work correctly for zero-length files.
2192 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2193 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2194 (cpp_lookup): Place identifiers at front of identifier pool
2195 for _cpp_lookup_with_hash.
2196 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2197 the identifier pool. Commit the memory if not already in the
2200 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2201 Initialise various members of cpp_reader, memory pools, and the
2203 (cpp_printer_init): Delete.
2204 (cpp_cleanup): Update.
2205 (struct builtin, builtin_array, initialize_builtins): Update for new
2206 hashnode definition and builtin handling.
2207 (cpp_start_read, cpp_finish): Don't take or initialise a
2210 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
2211 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
2212 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
2213 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
2214 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
2215 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
2216 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
2217 struct toklist, struct cpp_context, struct specnodes,
2218 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
2219 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
2220 enum builtin_type, cpp_can_paste): New.
2221 (struct cpp_token): Delete line and col members.
2222 (struct cpp_buffer): New member output_lineno.
2223 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
2224 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
2225 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
2226 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
2227 base_context, context, directive, mi_state, mi_if_not_defined,
2228 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
2229 mlstring_pos, macro_buffer, macro_buffer_len.
2230 Delete members mls_line, mls_column, token_list, potential_control_macro,
2231 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
2232 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
2233 save_parameter_spellings, need_newline, .
2234 Change type of date, time and spec_nodes members.
2235 Change prototypes for include and ident callbacks.
2236 (struct cpp_hashnode): Change type of name. Remove union members
2237 expansion and code. Add members macro, operator and builtin.
2239 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
2240 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
2241 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
2242 cpp_stop_lookahead): New prototypes.
2243 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
2245 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
2246 Move from cpphash.h.
2248 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
2249 ufputs): Move to cpplib.h.
2250 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
2251 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
2252 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
2253 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
2254 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
2255 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
2256 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
2257 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
2258 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
2259 _cpp_parse_assertion, _cpp_find_answer): Delete.
2260 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
2261 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
2262 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
2263 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
2264 _cpp_handle_directive, DSC): New.
2265 (struct include_file): New member defined.
2267 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
2268 _cpp_compare_file_date): Update.
2269 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
2270 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
2271 _cpp_cleanup_hashtable.
2273 * Makefile.in: Remove cppoutput.c.
2275 * cppoutput.c: Delete
2277 * fixheader.c (read_scan_file): Update for new cpp_get_token
2279 (recognized_function): New argument LINE.
2281 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
2282 new cpp_get_token prototype.
2284 * scan.h (recognized_function): Update prototype.
2286 * po/POTFILES.in: Remove cppoutput.c.
2288 2000-10-27 Mark Mitchell <mark@codesourcery.com>
2290 * c-typeck.c (check_init_type_bitfields): Remove.
2291 (constructor_incremental): Likewise.
2292 (struct constructor_stack): Remove incremental bit.
2293 (struct initializer_stack): Likewise.
2294 (start_init): Don't play with constructor_incremental.
2295 (finish_init): Likewise.
2296 (really_start_incremental_init): Likewise.
2297 (push_init_level): Likewise.
2298 (pop_init_level): Likewise.
2299 (output_init_level): Likewise.
2300 (output_pending_init_elements): Likewise.
2302 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
2304 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
2305 Improve error messages. Correct parsing of
2306 #pragma pack(pop [,id]). Do not check the user-supplied
2307 alignment if we're popping.
2309 * gcc.dg/pack-test-1.c: New test case.
2310 * gcc.dg/pack-test-2.c: New test case.
2311 * gcc.dg/pack-test-1.h: New file.
2313 2000-10-27 Neil Booth <neilb@earthling.net>
2317 2000-10-27 Kelley Cook <kelley.cook@home.com>
2319 * invoke.texi: Document -mintel-syntax
2321 2000-10-27 Richard Henderson <rth@redhat.com>
2323 * invoke.texi: Document -frename-registers. Add it to -O3.
2324 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
2325 (enum dump_file_index, dump_file): Update order.
2326 (main): Set flag_rename_registers at -O3.
2328 2000-10-27 Richard Henderson <rth@redhat.com>
2330 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
2331 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
2332 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
2333 * config/alpha/alpha.md (call_osf_1): Use it.
2334 (call_value_osf_1): Likewise.
2336 * config/ia64/ia64.c: Revert 10-23 patch.
2337 (ia64_hard_regno_rename_ok): New.
2338 * config/ia64/ia64-protos.h: Declare it.
2339 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
2341 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
2342 Richard Henderson <rth@redhat.com>
2344 * regrename.c: Rewrite to handle multi-register modes and
2345 cond_exec instructions.
2346 * Makefile.in (regrename.o): Update dependancies.
2347 * recog.h (struct operand_alternative): Add is_address.
2348 * recog.c (preprocess_constraints) [case 'p']: Set it.
2350 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
2352 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
2353 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
2354 top level. Kill oldstyle_subdirs. Do not include
2355 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
2356 $outputs. Do not run configure.lang from config.status.
2357 Rearrange warning-flag logic to correspond to what the
2358 makefile wants. Put special vax stage1 options in
2359 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
2360 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
2361 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
2362 switch is given, nothing otherwise.
2363 * configure.lang: Delete.
2365 * Makefile.in: Expunge all traces of extra_c_objs,
2366 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
2367 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
2368 warning options via a three level scheme so that -pedantic and
2369 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
2370 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
2371 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
2372 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
2373 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
2374 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
2375 generation rules. Wrap all rules that change the current
2376 directory in parentheses; pmake doesn't spawn a new shell for
2377 each command. Expunge all references to $(P). When one
2378 command depends on another and they're run all at once, use &&
2379 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
2380 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
2383 * objc/Make-lang.in: Wrap all rules that change the current
2384 directory in parentheses. Expunge all references to $(P).
2385 When one command depends on another and they're run all at
2386 once, use && to separate them, not ;. Add OUTPUT_OPTION to
2387 all object-file generation rules. Delete obsolete variables.
2388 * objc/Makefile.in: Delete.
2390 2000-10-27 Jakub Jelinek <jakub@redhat.com>
2392 * calls.c (expand_call): If sibcall_failure is set during pass 1,
2393 clear tail_call_insns as well.
2395 2000-10-27 Nick Clifton <nickc@redhat.com>
2397 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
2400 2000-10-26 Richard Henderson <rth@redhat.com>
2402 * calls.c (expand_call): Supress sibcall if we have a
2403 BLKmode return in registers.
2405 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
2407 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
2410 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
2412 * tree.c (make_node, case 't'): Set alignment to that of
2414 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
2416 2000-10-25 Mark Mitchell <mark@codesourcery.com>
2418 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
2419 * configure.in (enable-libstdcxx-v3): Arrange to have
2420 HAVE_LIBSTDCXX_V3 substituted into the output files.
2422 2000-10-25 Richard Henderson <rth@redhat.com>
2424 * recog.c (constrain_operands): Initialize which_alternative
2425 before no alternatives early exit.
2427 * cse.c (find_comparison_args): Check that we can reverse a
2428 comparison if needed before accepting the substitution.
2430 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
2432 * simplify-rtx.c (simplify_relational_operation): Sign extend
2433 low words before sign extending to high words.
2435 2000-10-25 Nick Clifton <nickc@redhat.com>
2437 * config/mcore/mcore.c: Include config.h before system.h.
2439 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
2441 * config/mcore/mcore.md (return): Force function epilogue to
2442 always be generated to work around epilogue suppression bug in
2445 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
2447 * c-decl.c (grokdeclarator): Move warning for qualified void
2448 return types with -pedantic to when the function type is
2449 constructed. At -W, warn in general for qualified function return
2450 types, except for volatile void.
2451 * invoke.texi: Document this new warning at -W.
2453 2000-10-25 Neil Booth <neilb@earthling.net>
2455 * cpp.texi: Update with implementation-defined behavior and
2458 2000-10-25 Jakub Jelinek <jakub@redhat.com>
2460 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
2461 incomplete type force it into alias set 0.
2463 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
2465 * alias.c: Include basic-block.h.
2466 (loop_p): New function.
2467 (mark_constant_function): Use it.
2468 * Makefile.in (alias.o): Update dependencies.
2470 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2472 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
2475 2000-10-24 Jim Wilson <wilson@cygnus.com>
2477 * expmed.c (store_bit_field): Move integer pun code down after
2478 code that calls emit_move_insn for entire register move.
2479 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
2480 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
2482 2000-10-24 Richard Henderson <rth@cygnus.com>
2484 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
2485 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
2487 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2489 * gcse.c (cprop_insn): do not propagate constants into jump_insn
2490 for machines with CC0 more than once.
2492 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
2494 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
2495 pseudos just like memory.
2497 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
2499 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
2500 when deleting libcall sequence collapsed to a single instruction.
2502 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
2504 * expr.c (do_store_flag): Don't crash if either side of a
2505 comparison is error_mark_node.
2507 2000-10-24 Jakub Jelinek <jakub@redhat.com>
2509 * sibcall.c (purge_mem_unchanging_flag): New function.
2510 (optimize_sibling_and_tail_recursive_calls): Call it.
2512 2000-10-24 Philipp Thomas <pthomas@suse.de>
2514 * Makefile.in (check-po): New target for doing checks in the po
2515 subdir if all languages configured.
2516 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
2517 configure if NLS is enabled.
2518 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
2519 otherwise leave empty.
2520 * configure: Regenerate.
2522 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2524 * i386.c (print_operand): Handle new 'A' formatting code.
2525 387 opcodes need suffixes even with -mintel-syntax.
2526 Check for explicit size override (codes 'b', 'w' and 'k').
2527 (print_operand_address): Check if register prefix is needed when
2528 emitting `ds' segment override.
2529 * i386.h: Add comment about new 'A' formatting code.
2530 * i386.md (jump and call patterns): Emit absolute references using %A.
2532 2000-10-23 Richard Henderson <rth@cygnus.com>
2534 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
2535 output registers as fixed.
2536 (ia64_function_epilogue): Undo output fixation.
2538 2000-10-23 Richard Henderson <rth@cygnus.com>
2540 * config/alpha/alpha.md: Add names for all unnamed insns; use
2541 define_insn_and_split in some obvious places.
2543 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
2544 (zero_extendqisi2, zero_extendqidi2): Likewise.
2545 (zero_extendhisi2, zero_extendhidi2): Likewise.
2546 (abs splitters): Fix match_scratch operand number.
2547 (bcc_reverse): Swap pc & label instead of non-canonical compare.
2549 2000-10-23 Jim Wilson <wilson@cygnus.com>
2551 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
2553 * ia64.md (cmpsi_adjusted): Use %r3.
2554 (cmpdi_adjusted): Likewise.
2556 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2558 * config/i386/att.h (ASM_FILE_START): Define.
2560 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2562 * config/i386/linux.h (ASM_FILE_START): Define.
2564 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
2566 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
2567 since this (only) drags in a crt0.o reference that the .ld files
2570 2000-10-23 Geoff Keating <geoffk@cygnus.com>
2572 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
2573 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
2574 reloads just like an RELOAD_FOR_OUTPUT would.
2576 * local-alloc.c (update_equiv_regs): Add an abort(). When
2577 deleting or moving insns, update reg_equiv[regno].init_insns.
2579 2000-10-23 Mark Mitchell <mark@codesourcery.com>
2581 * c-tree.texi: Improve documentation for IF_STMTs and related
2582 conditional statements.
2584 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2586 * expr.c (do_preexpand_calls): Remove.
2587 (same_from_p): Don't use CALL_EXPR_RTL.
2588 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
2589 (preexpand_calls): Remove.
2590 * tree.c (first_rtl_op): Remove CALL_EXPR case.
2591 (unsave_expr_1): Likewise.
2592 * tree.def (CALL_EXPR): Give it only two slots.
2593 * tree.h (CALL_EXPR_RTL): Remove.
2595 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
2597 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
2598 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2601 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
2603 * calls.c (combine_pending_stack_adjustment_and_call): Don't
2604 adjust stack when unadjusted_alignment ends up as zero.
2606 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
2608 * fixinc/genfixes: Remove EGCS reference.
2609 * install.texi: Remove EGCS reference.
2610 * INSTALL: Regenerate.
2612 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2614 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
2616 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
2618 * diagnostic.c: Remove EGCS reference in comment.
2620 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2622 * loop.c (strength_reduce): Fix error in last change.
2624 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2626 * Makefile.in (SHLIB_NM_FLAGS): New.
2627 (libgcc.mk): Pass it.
2628 * mklibgcc.in (libgcc.map): Use it.
2630 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
2631 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
2633 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2635 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
2637 * sparc.c (load_pic_register): Delete unused varaible.
2639 * libgcc2.c (__addvsi3): Delete unused variable.
2641 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
2642 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
2643 __negvdi2): Prototype.
2645 * ssa.c (apply_delayed_renames): Avoid undefined operation.
2647 * toplev.c (display_target_options): Make static to match
2648 prototype. Delete empty declaration.
2650 2000-10-20 Tom Tromey <tromey@cygnus.com>
2652 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2653 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2655 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2657 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
2659 (expand_expr_unaligned, case ARRAY_REF): Check that index is
2660 a constant before comparing it; use tree_low_cst.
2661 * tree.c (save_expr): Set TREE_READONLY.
2662 (substitute_expr): Return inside of NON_LVALUE_EXPR.
2663 (build, build1): Set TREE_READONLY if all operands are.
2664 (build_index_type): If upper bound is a negative number, lower
2665 bound is zero and sizetype is unsigned, use upper bound of one and
2668 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2670 * gcc.c (process_command, main): Use "because" instead of
2671 "since" in error messages.
2673 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2675 * stor-layout.c (compute_record_mode): Use tree_low_cst.
2676 Don't use mode of field for record unless sizes are the same.
2677 (layout_type, case ARRAY_TYPE): Remove special bounds handling
2678 previously added for Ada; also change to using host_integerp
2681 * loop.c (strength_reduce): Show when new register made for
2682 giv is known to be a pointer and its aligment if so and known.
2683 (loop_dump_aux): Show VERBOSE parameter unused.
2685 * gcse.c (set_hash_table_size): Now unsigned.
2686 * sdbout.c (template_name_p): Add "const" to avoid warnings.
2687 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
2688 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
2689 (sdbout_end_epilogue): Remove variable NAME.
2690 * system.h (getopt): Add default definition.
2691 * config/alpha/alpha.c (print_operand): Don't continue processing
2692 after issuing error.
2693 (summarize_insn): Avoid use of UL in constant.
2695 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
2697 * fold-const.c (force_fit_type): Unsigned values can overflow
2698 if they are sizetype.
2699 (int_const_binop): Don't use cache if overflows.
2701 2000-10-20 Richard Henderson <rth@cygnus.com>
2703 * function.c (locate_and_pad_parm): Zero alignment_pad.
2705 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
2706 perform substitutions, and apply_change_group to see if it worked.
2708 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2710 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
2712 * combine.c (struct undo): Change int to unsigned int.
2713 (do_SUBST_INT): Args are unsigned int.
2714 (make_extraction, force_to_mode): Use proper type when forming mask.
2715 (make_field_assignment): Likewise.
2717 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
2719 * c-common.c (check_format_info_recurse): Extract string constant
2720 initializers from non-volatile constant arrays and check them as
2722 * c-typeck.c (decl_constant_value): Don't check pedantic or check
2723 for DECL_MODE (decl) != BLKmode.
2724 (decl_constant_value_for_broken_optimization): New function which
2725 includes these checks.
2726 (default_conversion, convert_for_assignment, digest_init): Use
2727 decl_constant_value_for_broken_optimization instead of
2728 decl_constant_value.
2730 2000-10-20 Mark Mitchell <mark@codesourcery.com>
2732 * tree.h (DECL_ALIGN_UNIT): New macro.
2734 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
2736 * config/avr/avr-protos.h (avr_output_bld): New.
2737 (out_shift_with_cnt): Add t_len argument.
2738 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
2739 (output_movqi, output_movhi, output_movsisf): Optimize loading
2740 any constant with exactly one bit set to NO_LD_REGS.
2741 (out_shift_with_cnt): Optimize output code for size or speed,
2742 depending on optimize_size. Handle small shift counts as well
2743 (if not hand-optimized in ?sh??i3_out). Shifts can be done
2744 with or without a scratch register, with help of __tmp_reg__
2745 or __zero_reg__ if necessary. Add T_LEN argument to pass the
2746 length of TEMPLATE in words, return total insn length in *LEN.
2747 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
2748 out_shift_with_cnt to work with the above change.
2749 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
2750 lshrsi3_out): Likewise. Optimize more known shift count cases.
2751 Remove cases already well optimized in out_shift_with_cnt.
2752 (avr_output_bld): New function.
2753 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
2754 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
2755 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
2756 Add reload_completed to insn condition - only for peepholes.
2757 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
2758 in a register or memory.
2759 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
2760 Do not require a scratch register.
2761 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
2762 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
2763 Optimize shifts by known count using a scratch register, but only
2764 if one is still available after register allocation.
2766 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2768 * t-vax: New file. Don't build modules from libgcc1.c.
2770 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
2772 * alias.c: (mark_constant_function): Don't check pure functions.
2773 Initialize and end alias analysis.
2774 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
2775 Don't make a special exception for recursion. Handle
2776 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
2777 unless it's volatile.
2779 * local-alloc.c (equivalence): New structure.
2780 (reg_equiv): Define.
2781 (contains_replace_regs): Remove array and use
2783 (memref_referenced_p): Likewise.
2784 (no_equiv): Likewise.
2785 (update_equiv_regs): Likewise.
2787 (equiv_init_varies_p,
2788 equiv_init_movable_p): New functions.
2789 (update_equiv_regs): Use them. Use rtx_varies_p
2790 instead of function_invariant_p. Process insns
2791 from end to beginning. Allow a REG_EQUIV insn
2792 within the same loop as a use to be moved, also
2793 allow it to be moved out of a loop. Update
2794 REG_DEAD notes when substituting into an insn.
2796 2000-10-19 Jim Wilson <wilson@cygnus.com>
2798 * c-decl.c (start_decl): Check for error_mark_node type before using
2800 (finish_decl): Likewise. Don't give an error if decl type is
2801 already error_mark_node.
2803 * haifa-sched.c (compute_trg_info): Add explanatory comments.
2804 New local update_blocks. Use update_blocks to remove duplicates
2805 when computing update blocks. Check for bblst_table overflow.
2806 (schedule_block): Add explanatory comment. Reduce bblst_size by
2808 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
2811 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2813 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
2815 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2817 * expmed.c: Minor corrections in comments.
2818 * invoke.texi: Added desciption for the new option -ftrapv.
2820 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
2822 * libgcc2.c: Added the missing #endif.
2824 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2826 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
2828 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
2830 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
2831 Use smulv_optab for -ftrapv.
2832 (expand_mult_highpart): Use unsigned multiply.
2833 (expand_divmod): Special-case division by -1.
2834 For EXACT_DIV_EXPR, do right shift first, then the multiply.
2835 For complex divide, use abs with unsigned result.
2836 * expr.c (force_operand): Use unsigned multiply.
2837 (expand_expr): Use overflow-trapping optabs for signed types if
2839 If flag_trapv, don't generate a recursive call with EXPAND_SUM
2840 if the type is signed and the original call wasn't EXPAND_SUM or
2842 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
2843 (negv_optab, absv_optab): Declare.
2844 * flags.h (flag_trapv): Declare.
2845 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
2846 smulv_optab, sdivv_optab, negv_optab and absv_optab.
2847 (gen_insn): Interpret '$P' as requiring an integer mode,
2848 including partial integer modes.
2849 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
2850 (product_cheap_p): Use unsigned expand_mult.
2851 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
2852 (negv_optab, absv_optab): Define.
2853 (expand_binop): Use overflow-trapping optabs for signed types if
2855 Handle negv_optab libe neg_optab.
2856 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
2857 Use overflow-trapping optabs for signed result if flag_trapv.
2858 (expand_complex_abs): Use overflow-trapping optabs for signed types if
2860 Don't open-code complex absolute-value operation for flag_trapv.
2861 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
2862 sdivv_optab, negv_optab and absv_optab.
2863 * toplev.c (flag_trapv): Define.
2864 (lang_independent_options f_options): Include flag_trapv.
2865 * tree.h (TYPE_TRAP_SIGNED): Define.
2866 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
2867 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2869 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
2870 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
2872 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
2873 David V. Henkel-Wallace <gumby@cygnus.com>
2875 * config/i386/t-netware: Bring in from the Red Hat tree.
2876 * config/i386/netware.h: Likewise.
2877 * config/netware.h: Likewise.
2878 * config/rs6000/netware.h: Delete.
2879 * configure.in: Add i[34567]86-*-netware.
2880 * configure: Hand-edit to match configure.in change.
2882 2000-10-18 Mark Mitchell <mark@codesourcery.com>
2884 * c-common.h (flag_no_builtin): Declare.
2885 (flag_no_nonansi_builtin): Likewise.
2886 (c_common_nodes_and_builtins): Change prototype.
2887 * c-common.c (flag_no_builtin): New variable.
2888 (flag_no_nonansi_builtin): Likewise.
2889 (c_common_nodes_and_builtins): Remove parameters. Adjust
2891 * c-decl.c (flag_no_builtin): Remove.
2892 (flag_no_nonansi_builtin): Likewise.
2893 (init_decl_processing): Adjust call to
2894 c_common_nodes_and_builtins.
2896 2000-10-18 Marc Espie <espie@openbsd.org>
2898 * tm.texi (LIBGCC_SPEC): Synch with reality.
2900 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2902 * c-common.c (check_format_types): Check for writing through a
2903 NULL pointer argument.
2905 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
2907 * tm.texi (Exception Region Output): Document
2908 DWARF_CIE_DATA_ALIGNMENT.
2909 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
2911 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
2912 DWARF_CIE_DATA_ALIGNMENT.
2914 2000-10-18 Michael Hayes <mhayes@cygnus.com>
2916 * basic-block.h (struct loop): Delete fields pre_header_root
2917 and pre_header_trace and replace with pre_header_edges
2918 and num_pre_header_edges.
2919 * flow.c (flow_loop_dump): Dump pre_header_edges.
2920 (flow_loops_free): Free pre_header_edges.
2921 (flow_loop_pre_header_scan): Calculate pre_header_edges.
2923 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2925 * contrib.texi: Update references to steering committee members
2926 and Jeff Law's entry.
2928 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2930 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
2931 (maybe_read_dollar_number, check_format_info_main): Use them for
2932 pedantic warning messages.
2934 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
2936 * c-common.c (check_format_info_main): Minor cleanup: move
2937 variables into inner scopes; initialize declarations where
2938 appropriate; don't hardcode "scanf" name on warning for zero
2941 2000-10-17 Mark Mitchell <mark@codesourcery.com>
2943 * c-common.c (back_end_hook): New variable.
2944 * c-common.h (back_end_hook): Declare it.
2945 * c-lang.c (finish_file): Use it.
2947 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
2950 2000-10-18 Jan Hubicka <jh@suse.cz>
2952 * i386.c (ix86_comparison_operator, put_condition_code,
2953 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
2954 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
2955 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
2956 * i386.md (adddi and negdi splitter): Use CCRCmode.
2957 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
2958 (subsi3_carry): add '*'
2959 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
2960 (cmp to add peep2): Use CCRCmode; swap operands.
2962 2000-10-18 Kazu Hirata <kazu@hxi.com>
2964 * h8300.c: Fix a comment typo.
2965 (round_frame_size): New.
2966 (compute_saved_regs): Likewise.
2969 (push_order): Remove.
2970 (pop_order): Likewise.
2971 (function_prologue): Rearrange code for readability.
2972 (function_epilogue): Likewise.
2974 * config/h8300/h8300.md: Remove an unnecessary sign_extend
2975 expander that is used when not optimizing. Output a tab after
2976 each assembly insns.
2978 * reorg.c: Fix formatting.
2980 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
2982 * reload1.c (move2add_note_store): Check for simple
2983 auto-inc in destination.
2985 2000-10-17 Michael Chastain <chastain@redhat.com>
2987 * config/i386/i386-aout.h: define INT_ASM_OP.
2989 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
2991 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
2993 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
2995 * i370.md: Fix spelling typo.
2997 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2999 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
3000 Fixes execute/20001017-1.c on powerpc-linux-gnu.
3002 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
3003 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
3006 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
3007 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
3009 * rs6000/aix.h: ...to here.
3010 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
3012 2000-10-17 Jakub Jelinek <jakub@redhat.com>
3014 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
3016 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
3017 sure linker can relax even the delay slot mov %g1,%o7, fix output
3020 2000-10-17 Kazu Hirata <kazu@hxi.com>
3022 * config/h8300/h8300.md: Remove an unnecessary zero_extend
3023 expander that is used when not optimizing. Output a tab after
3024 each assembly insns.
3026 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
3028 * gcc.c: New options --target-help.
3029 (process_command): Added code to parse this new option.
3030 * toplev.c (display_target_options): New function to support the
3032 * cppinit.c (new_pending_directive) : New option OPT_target__help.
3033 (cpp_handle_option): Support this new option.
3034 * invoke.texi: Added notes about --target-help option.
3036 2000-10-17 Graham Stott <grahams@redhat.com>
3038 * config/i386/i386.md (testqi_1): Add missing operand prefix
3040 * config/i386/i386-protos.h: Add missing prototype.
3042 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
3044 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
3045 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
3046 using -mintel-syntax.
3048 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3050 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
3051 (format_types): Use it for printf.
3052 (maybe_read_dollar_number): Add parameter for the kind of format
3053 involved. Warn for multiple use for arguments if this is
3054 inappropriate for the kind of format involved.
3055 (check_format_info_main): Update calls to maybe_read_dollar_number.
3057 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3059 * inclhack.def (hpux_maxint): Also apply fix to values.h.
3060 * fixincl.x: Rebuilt.
3062 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
3064 * genrecog.c (write_switch): Return the first condition that needs a
3067 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
3069 * c-tree.h (warn_sequence_point): Move declaration to...
3070 * c-common.h (warn_sequence_point): ... here.
3071 * c-decl.c (warn_sequence_point): Move definition to...
3072 * c-common.c (warn_sequence_point): ... here.
3073 (struct reverse_tree): New.
3074 (reverse_list, reverse_max_depth): New static variables.
3075 (build_reverse_tree, common_ancestor, modify_ok
3076 verify_sequence_points): New functions.
3077 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
3078 * c-typeck.c (check_modify_expr): Delete.
3079 (build_modify_expr): Don't call it.
3081 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3083 * c-common.h (warn_missing_format_attribute): New variable.
3084 * c-decl.c (warn_missing_format_attribute): New variable.
3085 (c_decode_option): Decode -Wmissing-format-attribute and
3086 -Wno-missing-format-attribute.
3087 * c-common.c (check_function_format): If
3088 -Wmissing-format-attribute, give a warning where a vprintf or
3089 vscanf function is called by a function without its own printf or
3091 * toplev.c (documented_lang_options): Add
3092 -Wmissing-format-attribute.
3093 * invoke.texi: Document -Wmissing-format-attribute.
3095 2000-10-17 Marc Espie <espie@openbsd.org>
3097 * invoke.texi (-shared): Insist on requiring code generation flags
3098 to be used along with -shared, and document the subtle failure that
3099 may occur otherwise.
3101 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3103 * pa.md (return_internal): Move `use' after `return'.
3105 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3107 * machmode.def: Correct comment.
3109 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
3111 * print-rtl.c (print_rtx_head): Constify.
3112 * rtl.h (print_rtx_head): Similarly.
3114 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
3115 Constify char * return value.
3117 (output_64bit_and, output_64bit_ior): Constify char * return value.
3118 (pa_can_combine_p): Make static.
3119 (function_arg): Decorate unused `named' argument. Fix comment typo.
3120 (function_arg_partial_nregs): Decorate unused `named' argument.
3122 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
3124 * c-common.c (format_check_results): New structure.
3125 (finish_dollar_format_checking): Adjust to take a
3126 format_check_results * parameter.
3127 (check_format_info, check_format_info_recurse,
3128 check_format_info_main): Split check_format_info into three
3129 functions, the main checking going in check_format_info_main.
3130 Recurse when any reduction of the format string argument towards a
3131 string literal is done; go down both branches of a conditional
3132 expression. Don't warn for extra format arguments or empty format
3133 strings if they only occur in some branches of a conditional
3136 2000-10-16 Kazu Hirata <kazu@hxi.com>
3138 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
3140 2000-10-16 Jakub Jelinek <jakub@redhat.com>
3142 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
3144 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
3146 * i386.md (*movsi_or): Switch operand order for intel syntax.
3148 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
3152 * gcc.texi (Contributing): Update.
3154 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
3156 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
3157 appropriate assembler dialect.
3159 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
3161 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
3163 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
3165 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
3166 constants 1 and 2 to NO_LD_REGS.
3168 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3170 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
3172 * objc/Make-lang.in (objc-parse.c): Likewise.
3174 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3176 * arm.c: Include obstack.h
3177 (minipool_obstack, minipool_startobj): Define.
3178 (arm_add_gc_roots): Initialize them.
3179 (create_fix_barrier): Use our new obstack.
3180 (push_minipool_barrier, push_minipool_fix): Likewise.
3181 (arm_reorg): Release obstack memory.
3183 2000-10-13 Jakub Jelinek <jakub@redhat.com>
3185 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
3186 (prologue, exception_receiver, builtin_setjmp_receiver): New
3188 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
3189 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3190 (load_pic_register): New prototype.
3191 * config/sparc/sparc.c (pic_setup_code): Remove.
3192 (finalize_pic): Rename to...
3193 (load_pic_register): ...this function.
3194 Don't look for nonlocal_goto_receivers and emit pic setup code
3195 directly. Don't check current_function_uses_pic_offset_table.
3197 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3199 * tree.h (struct obstack): Declare.
3201 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3204 * Makefile.in (ggc-callbacks.o): Remove target.
3205 (flow.o): Depend on GGC_H.
3206 * alias.c (init_alias_analysis):
3207 Remove ggc_p conditionals.
3208 (end_alias_analysis): Likewise.
3209 * basic-block.h (init_flow): New function.
3210 (allocate_reg_life_data): Declare.
3211 * bb-reorder.c (function_obstack): Replace with ...
3212 (flow_obstack): ... new variable.
3213 (fixup_reorder_chain): Use it.
3214 * c-decl.c (ggc_p): Remove.
3215 (caller-save.c): Don't call oballoc/obfree.
3217 undobuf): Remove storage.
3218 (try_combine): Don't call oballoc.
3219 (undo_all): Don't call obfree.
3220 * cse.c (insert): Use xmalloc, not
3222 (cse_main): Adjust accordingly.
3223 * dwarf2out.c (save_rtx): Remove
3225 (dwarf2out_init): Remove ggc_p conditionals.
3226 * emit-rtl.c (rtl_obstack): Remove.
3227 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
3228 (make_insn_raw): Likewise.
3229 (emit_insn_before): Likewise.
3230 (emit_insn_after): Likewise.
3231 (emit_insn): Likewise.
3232 (gen_sequence): Likewise.
3233 (copy_insn_1): Remove handling of `b' RTL components.
3234 (init_emit_once): Remove ggc_p conditionals.
3235 * except.c (create_rethrow_ref): Don't fool with obstacks.
3236 (add_partial_entry): Likewise.
3237 (call_get_eh_context): Likewise.
3238 (begin_protect_partials): Likewise.
3239 (protect_with_terminate): Likewise.
3241 (plus_constant_wide): Likewise.
3242 * expr.c (init_expr_once):
3244 (emit_block_move): Likewise.
3245 (clear_storage): Likewise.
3246 (expand_expr): Likewise.
3247 * flow.c (function_obstack): Remove.
3248 (flow_obstack): New variable.
3249 (flow_firstobj): Likewise.
3250 (create_base_block): Use the flow_obstack.
3251 (split_block): Likewise.
3252 (split_edge): Likewise.
3253 (calculate_global_regs_live): Likewise.
3254 (allocate_bb_life_data): Make it static. Likewiwse.
3255 (init_flow): New function.
3256 (size_int_type_wide): Remove ggc_p conditionals.
3258 (push_function_context_to): Don't call save_tree_status.
3259 (pop_function_context_from): Or restore_tree_status.
3260 (assign_stack_local_1): Don't call push_obstacks.
3261 (find_fixup_replacement): Use xmalloc.
3262 (fixup_var_refs_insns): Free the storage.
3263 (insns_for_mem_walk): Don't mess with obstacks.
3264 (instantiate_decls): Likewise.
3265 (trampoline_address): Likewise.
3266 (expand_function_end): Likewise.
3267 * function.h (sturct function):
3268 Remove obstack-related variables.
3269 (save_tree_status): Don't declare.
3270 (restore_tree_status): Likewise.
3271 * gcse.c (compute_can_copy):
3272 Don't call oballoc/obfree.
3273 * genattrtab.c (operate_exp): Remove
3275 (simplify_cond): Likewise.
3276 (simplify_test_exp): Don't mess with obstacks.
3277 (optimize_attrs): Likewise.
3278 * gengenrtl.c (gendef): Don't include
3280 * ggc-callbacks.c (ggc_p): Remove.
3281 * ggc-none.c (ggc_p): Remove.
3282 * ggc.h (ggc_p): Don't declare.
3283 * integrate.c (save_for_inline): Don't mess with obstacks.
3284 (integrate_decl_tree): Likewise.
3285 (output_inline_function): Likewise.
3287 (init_EXPR_INSN_LIST_cache): Likewise.
3288 * loop.c (temp_obstack):
3290 (rtl_obstack): Likewise.
3291 (init_loop): Don't mess with obstacks.
3292 (reg_address_cost): Free BIVs and GIVs.
3293 (check_insns_for_bivs): Use xmalloc, not oballoc.
3294 (find_mem_givs): Likewise.
3295 (record_biv): Likewise.
3296 (general_induction_var): Likewise.
3297 (product_cheap_p): Likewse.
3298 * optabs.c (init_one_libfunc): Remove
3300 * print-tree.c (debug_tree): Don't use
3302 (print_node): Likewise.
3303 * profile.c (output_func_start_profiler):
3304 Remove call to temporary_allocation.
3306 (eliminate_regs_in_insn): Don't mess with obstacks.
3308 (mark_target_live_regs): Use xmalloc.
3309 (free_resource_info): Free the memory.
3310 * rtl.c (rtl_obstack):
3312 (rtvec_alloc): Don't mess with obstacks.
3313 (rtx_alloc): Likewise.
3315 (copy_rtx): Don't handle `b' cases.
3316 (read_rtx): Use a local rtl_obstack.
3317 * rtl.h (oballoc): Remove.
3319 (pop_obstacks): Likewise.
3320 (push_obstacks): Likewise.
3321 (allocate_bb_life_data): Likewise.
3322 (allocate_reg_life_data): Likewise.
3323 (rtx_free): Likewise.
3324 * sdbout.c (sdbout_queue_anonymous_type):
3325 Use tree_cons, not saveable_tree_cons.
3327 (cselib_init): Don't mess with obstacks.
3329 (mark_block_nesting): Mark the label_chain.
3330 (epxand_label): Use ggc_alloc, not oballoc.
3331 (clear_last_expr): Don't mess with obstacks.
3332 (expand_decl_cleanup): Likewise.
3333 (expand_dcc_cleanup): Likewise.
3334 (expand_dhc_cleanup): Likewise.
3335 (expand_anon_union_decl): Likewise.
3336 (add_case_node): Use xmalloc, not oballoc.
3337 (free_case_nodes): New function.
3338 (expand_end_case): Call it.
3339 * stor-layout.c (layout_type): Don't
3341 (layout_type): Likewise.
3342 * toplev.c (wrapup_global_declarations):
3344 (compile_file): Remove ggc_p conditionals.
3345 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
3346 (decode_f_option): Remove ggc_p conditionals.
3348 (function_maybepermanent_obstack): Remove.
3349 (maybepermanent_obstack): Likewise.
3350 (function_obstack): Likewise.
3351 (tmeporary_obstack): Likewise.
3352 (momentary_obstack): Likewise.
3353 (temp_decl_obstack): Likewise.
3354 (saveable_obstack): Likewise.
3355 (rtl_obstack): Likewise.
3356 (current_obstack): Likewise.
3357 (expression_obstack): Likewise.
3358 (struct obstack_stack): Likewise.
3359 (obstack_stack): Likewise.
3360 (obstack_stack_obstack): Likewise.
3361 (maybepermanent_firstobj): Likewise.
3362 (temporary_firstobj): Likewise.
3363 (momentary_firstobj): Likewise.
3364 (temp_decl_firstobj): Likewise.
3365 (momentary_function_firstobj): Likewise.
3366 (all_types_permanent): Likewise.
3367 (struct momentary_level): Likewise.
3368 (momentary_stack): Likewise.
3369 (init_obstacks): Remove initialization of removed obstacks.
3370 (save_tree_status): Remove.
3371 (restore_tree_status): Likewise.
3372 (temporary_allocation): Liekwise.
3373 (end_temporary_allocation): Liekwise.
3374 (resume_temporary_allocation): Likewise.
3375 (saveable_allocation): Likewise.
3376 (push_obstacks): Likewise.
3377 (push_obstacks_nochange): Likewise.
3378 (pop_obstacks): Likewise.
3379 (allocation_temporary_p): Likewise.
3380 (permanent_allocation): Likewise.
3381 (preserve_data): Likewise.
3382 (preserve_initializer): Likewise.
3383 (rtl_in_current_obstack): Likewise.
3384 (rtl_in_saveable_obstack): Likewise.
3385 (oballoc): Likewise.
3387 (savealloc): Likewise.
3388 (expralloc): Likewise.
3389 (print_obstack_name): Likewise.
3390 (debug_obstack): Likewise.
3391 (object_permanent_p): Likewise.
3392 (push_momentary): Likewise.
3393 (perserve_momentary): Likewise.
3394 (clear_momentary): Likewise.
3395 (pop_momentary): Likewise.
3396 (pop_momentary_nofree): Likewise.
3397 (suspend_momentary): Likewise.
3398 (resume_momentary): Likewise.
3399 (make_node): Don't set TREE_PERMANENT.
3400 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
3401 Don't set TREE_PERMANENT.
3402 (get_identifier): Remove ggc_p conditionals.
3403 (build_string): Likewise.
3404 (make_tree_vec): Likewise.
3405 (build_decl_list): Remove.
3406 (build_expr_list): Likewise.
3407 (tree_cons): Remove ggc_p conditionals.
3408 (decl_tree_cons): Remove.
3409 (expr_tree_cons): Likewise.
3410 (perm_tree_cons): Likewise.
3411 (temp_tree_cons): Likewise.
3412 (saveable_tree_cons): Likewise.
3413 (build1): Remove ggc_p conditionals.
3414 (build_parse_node): Likewise.
3415 (build_type_attribute_variant): Don't mess with obstacks.
3416 (build_type_copy): Likewise.
3417 (type_hash_canon): Likewise.
3418 (build_pointer_type): Likewise.
3419 (build_reference_type): Likewise.
3420 (build_index_type): Likewise.
3421 (build_range_type): Likewise.
3422 (dump_tree_statistics): Don't print obstack information.
3424 (struct tree_common): Remove permanent_flag.
3425 (TREE_PERMANENT): Remove.
3426 (TREE_SET_PERMANENT): Likewise.
3427 (TYPE_OBSTACK): Likewise.
3428 (struct tree_type): Remove obstack.
3430 (savealloc): Likewise.
3431 (build_decl_list): Likewise.
3432 (build_expr_list): Likewise.
3433 (perm_tree_cons): Likewise.
3434 (temp_tree_cons): Likewise.
3435 (saveable_tree_cons): Likewise.
3436 (decl_tree_cons): Likewise.
3437 (expr_tree_cons): Likewise.
3438 (suspend_momentary): Likewise.
3439 (allocation_temporary_p): Likewise.
3440 (resume_momentary): Likewise.
3441 (push_obstacks_nochange): Likewise.
3442 (permanent_allocation): Likewise.
3443 (push_momentary): Likewise.
3444 (clear_momentary): Likewise.
3445 (pop_momentary): Likewise.
3446 (end_temporary_allocation): Likewise.
3447 (pop_obstacks): Likewise.
3448 (push_obstacks): Likewise.
3449 (pop_momentary_nofree): LIkewise.
3450 (preserve_momentary): Likewise.
3451 (saveable_allocation): Likewise.
3452 (temporary_allocation): Likewise.
3453 (resume_temporary_allocation): Likewise.
3454 (perserve_initializer): Likewise.
3455 (debug_obstack): Likewise.
3456 (rtl_in_current_obstack): Likewise.
3457 (rtl_in_saveable_obstack): Likewise.
3459 * varasm.c (current_obstack): Remove.
3460 (saveable_obstack): Remove.
3461 (rtl_obstack): Remove.
3462 (immed_double_const): Don't mess with obstacks.
3463 (immed_real_cons): Likewise.
3464 (output_constant_def): Likewise.
3465 (init_varasm_status): Use xcalloc.
3466 (mark_pool_constant): Mark the pool constant itself.
3467 (free_varasm_status): Free memory.
3468 (decode_rtx_const): Call bzero directly, rather than expanding it
3470 (record_rtx_const): Don't mess with obstacks.
3471 (force_const_mem): Likewise.
3472 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
3474 (aof_pic_entry): Likewise.
3475 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
3476 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
3477 * config/pa/pa.c (saveable_obstack): Remove.
3478 (rtl_obstack): Likewise.
3479 (current_obstack): Likewise.
3480 (output_call): Don't mess with obstacks.
3481 (hppa_encode_label): Remove ggc_p conditionals.
3482 * config/romp/romp.c (get_symref): Don't mess with obstacks.
3483 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
3484 (rs6000_encode_section_info): Likewise.
3485 * config/sh/sh.c (get_fpscr_rtx): Likewise.
3487 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
3489 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
3490 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
3491 (addsi3_carry): Canonicalize.
3492 (addqi_5): Remove '*'.
3493 (sbb pattern): Canonicalize.
3495 * i386.md (cmp to inc/add peep2): New.
3497 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
3499 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
3502 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3504 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
3505 * README.TRAD, TESTS.FLUNK: Remove.
3507 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3509 * c-common.c (decl_attributes): Don't allow strftime formats with
3510 first_arg_num nonzero.
3511 (check_format_info): Set wanted_type and wanted_type_name to zero
3512 before they are possibly assigned and used.
3514 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3516 * c-common.c (scanf_flag_specs): Add flags ' and I.
3517 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
3518 or the ^ and # flags together.
3519 (scan_char_table): Handle the ' and I flags.
3520 (format_types): Add ' and I flags for scanf.
3522 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3524 * c-common.c (print_char_table): Use the unpromoted type for
3525 lengths "h" and "hh" with conversions dioxXu.
3526 (check_format_types): Apply the default argument promotions where
3527 the wanted type is not a pointer target.
3529 2000-10-11 Michael Meeks <mmeeks@gnu.org>
3530 Joseph S. Myers <jsm28@cam.ac.uk>
3532 * c-typeck.c (check_modify_expr): New function.
3533 (build_modify_expr): Call it if warn_sequence_point.
3534 * c-decl.c (warn_sequence_point): New variable.
3535 (c_decode_option): Handle -Wsequence-point and
3536 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
3537 * c-tree.h (warn_sequence_point): Declare.
3538 * invoke.texi (-Wsequence-point): Document.
3539 * toplev.c (documented_lang_options): Add -Wsequence-point and
3540 -Wno-sequence-point.
3541 Original work by Michael Meeks, 16 Jun 1998.
3543 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3545 * tree.c (get_narrower): Don't look at precision of field if
3548 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
3550 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
3551 declaration for data with "progmem" attribute.
3553 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
3555 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
3556 Correct insn length if shift count is a memory operand.
3557 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
3558 (*iorhi3_clobber): Change lo8 to hi8.
3559 (zero_extendhisi2): Change %B0 to %A1.
3560 (ashlhi3, ashrhi3): Correct insn length.
3561 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
3562 from "clobber" to "set_n" in some alternatives.
3564 2000-10-10 Jakub Jelinek <jakub@redhat.com>
3566 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
3567 remove its insn_chain structure as well.
3569 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3571 * dbxout.c (dbxout_source_line): Remove extra tab.
3573 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
3575 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
3577 2000-10-09 Richard Henderson <rth@cygnus.com>
3579 * Makefile.in (LANG_LIB2FUNCS): Remove.
3580 (LIB2FUNCS): Remove _pure.
3581 (LIB2ADD): Remove LANG_LIB2FUNCS.
3582 (stage_a): Don't set LANG_LIB2FUNCS.
3583 * libgcc2.c (__terminate): Mark noreturn.
3584 (__pure_virtual): Remove.
3585 * mklibgcc.in: Remove LIB2ADD .txt processing.
3587 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3589 * arm.md (push_multi): Revert unintended change.
3591 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3593 * arm.c: Miscellaneous white space and comment clean-ups. No
3597 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3599 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
3600 STRING_CST by calling combine_strings.
3602 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3604 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
3605 (thumb_output_move_mem_multiple): Support new insn format.
3606 * arm.md (movmem12b): Use SSA compatible format.
3607 (movmem8b): Likewise.
3609 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3611 * arm.md (predicable): New attribute, default to "no".
3612 (all patterns): Mark as predicable if appropriate.
3613 (conditional execution splits): Split using predication format.
3614 (define_cond_exec): Define.
3615 * arm.c (arm_print_operand): handle insn predicate.
3617 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3619 * README.NS32K: Remove file.
3621 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3623 * README-bugs: Remove file.
3625 2000-10-08 Philipp Thomas <pthomas@suse.de>
3626 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
3628 * configure: Rebuilt.
3630 2000-10-08 Philipp Thomas <pthomas@suse.de>
3631 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
3632 disable catalog building if no suitable program was found.
3633 Move warning message from here
3634 (AM_GNU_GETTEXT): To here.
3635 * configure: Rebuilt.
3637 2000-10-08 Philipp Thomas <pthomas@suse.de>
3638 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
3639 different cache variables.
3640 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
3641 uses different cache variables.
3642 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
3643 * configure: Regenerated.
3645 2000-10-08 Richard Henderson <rth@cygnus.com>
3647 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
3648 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
3649 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
3652 * config/t-linux (SHLIB_EXT): New.
3653 (SHLIB_LINK): Use the entire build command, with substitutions.
3654 (SHLIB_LIBS): Remove.
3655 * config/alpha/t-osf4: Likewise.
3656 * config/mips/t-iris6: Likewise.
3657 * config/sparc/t-sol2: Likewise, but move shlib stuff...
3658 * config/sparc/t-slibgcc-sld: ...here.
3659 * config/sparc/t-slibgcc: New file.
3661 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3663 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
3664 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
3666 (intmax_type_node, uintmax_type_node): Define.
3667 * c-common.c (decl_attributes): If pedantic, warn if `mode'
3668 attributes create a type wider than intmax_t.
3669 (T_IM, T_UIM): Define properly.
3670 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
3672 (init_decl_processing): Initialize intmax_type_node and
3674 * c-lex.c (lex_number): When pedantic and warning for integer
3675 constants that are too large, in C99 mode warn for those that have
3676 a type wider than long long.
3678 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3680 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
3681 FMT_FLAG_FANCY_PERCENT_OK): Define.
3682 (format_char_info): Add flag "4" to comment.
3683 (format_flag_spec, format_flag_pair): New structures.
3684 (format_kind_info): Add additional fields to control format
3686 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
3687 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
3689 (time_char_table): Use "4" flag to handle %Ey.
3690 (format_types): Add entries for new fields.
3691 (get_flag_spec): New function.
3692 (check_format_info): Increase size of flag_chars[] to 256.
3693 Control format checking using the new fields of a format_kind_info
3694 and the new tables; remove all conditionals on printf_format_type,
3695 scanf_format_type or strftime_format_type. Handle all details of
3696 bad combinations of flags (including width, precision and strftime
3697 modifiers) through data rather than ad hoc code. Handle all
3698 details of standard versions in which flags appeared through
3699 data. Use the "4" flag.
3701 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
3703 * config/h8300/h8300.md: Remove the memory alternative and correct
3704 the insn lengths in the templates for sign extention and zero
3707 2000-10-07 Richard Henderson <rth@cygnus.com>
3709 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
3710 * flow.c (make_edges): Revert last change.
3712 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
3714 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
3716 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
3718 * config/alpha/elf.h: Standardize the formatting.
3720 2000-10-06 David O'Brien <obrien@FreeBSD.org>
3722 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
3725 2000-10-06 Richard Henderson <rth@cygnus.com>
3727 * function.c (diddle_return_value): Examine
3728 current_function_return_rtx instead of the DECL_RESULT.
3729 (expand_function_end): Handle reloading DECL_RESULT from memory
3730 into a hard register. Query promote_mode for sign of mismatched
3733 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3735 * haifa-sched.c (schedule_insns): Fix typo in freeing
3736 forward_dependency_cache.
3738 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3740 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
3741 `TARGET_SH2' as a condition.
3743 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3745 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
3746 forward_dependency_cache): New variables.
3747 (add_dependence, remove_dependence): Use anti_dependency_cache and
3748 output_dependency_cache.
3749 (compute_block_forward_dependences): Use forward_dependency_cache.
3750 (schedule_insns): Allocate and free memory for anti/output/forward
3751 dependencies caches.
3753 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
3755 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
3756 `! TARGET_SH1'. Reindent.
3758 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3760 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
3761 Move functions from here ...
3763 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
3765 (c_expand_builtin): New function.
3766 (init_function_format_info): Don't set `check_function_format_ptr'.
3767 (c_common_nodes_and_builtins): Set built_in_class type for
3768 printf/__builtin_printf to BUILT_IN_FRONTEND.
3769 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
3771 * c-common.h (build_function_call): Declare.
3773 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
3774 to `lang_expand_expr' rather than `expand_builtin'.
3776 * tree.c (check_function_format_ptr): Delete.
3778 * tree.h (check_function_format_ptr): Likewise.
3780 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
3782 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
3783 DW_OP_bregx when cfa->reg > 31.
3785 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
3788 2000-10-05 Richard Henderson <rth@cygnus.com>
3790 * c-decl.c (warn_missing_noreturn): Remove.
3791 (c_expand_body): Don't set or check can_reach_end.
3792 * c-tree.h (warn_missing_noreturn): Move ...
3793 * flags.h: ... here.
3794 (can_reach_end): Remove.
3795 * flow.c (check_function_return_warnings): New.
3796 (make_edges): No edge to exit for noreturn sibcalls.
3797 * function.c (expand_function_end): Save the return value
3798 clobber instruction.
3799 (mark_function_status): Mark it.
3800 * function.h (struct function): Add x_clobber_return_insn.
3801 * jump.c (can_reach_end): Remove.
3802 (calculate_can_reach_end): Remove.
3803 (jump_optimize_1): Don't call it.
3804 * output.h (check_function_return_warnings): Declare.
3805 * toplev.c (warn_missing_noreturn): Move from c-decl.c
3806 (rest_of_compilation): Call check_function_return_warnings.
3808 2000-10-05 Richard Henderson <rth@cygnus.com>
3810 * Makefile.in (NM_FOR_TARGET): New.
3811 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
3812 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
3813 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
3814 shared library build on that and EXTRA_MULTILIB_PARTS.
3815 * mkmap-flat.awk: New file.
3816 * mkmap-symver.awk: New file.
3817 * libgcc-std.ver: New file.
3818 * config/libgcc-glibc.ver: New file.
3819 * config/ia64/libgcc-ia64.ver: New file.
3820 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3821 (SHLIB_LINK): Add --version-script.
3822 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
3823 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3824 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
3825 (SHLIB_LINK): Add -M.
3827 2000-10-05 Richard Henderson <rth@cygnus.com>
3829 * Makefile.in (LIB2FUNCS): Add _clz.
3830 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
3831 (__clz_tab): Put in its own unit, non-static.
3832 * libgcc2.h: Always include longlong.h.
3834 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
3835 a zero instead of -1.
3836 (count_trailing_zeros): Likewise.
3838 2000-10-05 Richard Henderson <rth@cygnus.com>
3840 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
3841 when second op1 is const0_rtx. Validate op0 as a register.
3842 * config/alpha/alpha.md (setcc_internal): Don't allow constants
3843 in the first argument of the compare.
3844 (setcc_swapped_internal): Likewise.
3845 (setne_internal): Likewise.
3847 2000-10-05 Geoff Keating <geoffk@cygnus.com>
3849 * tree.c (tree_size): New function split out of copy_node.
3850 (make_node): Remove obstack handling. Use tree_size.
3851 (copy_node): Use tree_size.
3852 * tree.h: Prototype tree_size.
3854 2000-10-05 Richard Henderson <rth@cygnus.com>
3856 * diagnostic.c (output_format): Add missing break.
3858 2000-10-05 Jim Wilson <wilson@cygnus.com>
3860 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
3861 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
3862 sequence insn to INSN, and delete last sequence insn.
3864 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
3866 * gcc.c (main): Include generated configargs.h header
3867 and use arguments in '-v' output.
3869 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3871 * gcc.c: Move data on prefixes forward in file and reorganize.
3872 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
3873 Always define, but make null if no value.
3874 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
3875 and "md_startfile_prefix_1".
3876 (main): Check whether md_exec_prefix and the others are the
3877 null string rather than whether the macro is defined.
3879 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3881 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
3882 from PSImode to SImode.
3884 2000-10-05 Jakub Jelinek <jakub@redhat.com>
3886 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
3887 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
3888 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
3891 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3893 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
3894 negation in proper type.a
3896 2000-10-04 Richard Henderson <rth@cygnus.com>
3898 * configure.in (enable-shared): New.
3899 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
3900 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
3901 * mklibgcc.in: Use them to link shared a libgcc.
3902 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
3903 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
3904 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
3905 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
3907 * configure.in (alpha-osf*): Use t-osf and x-osf.
3908 * config/alpha/t-osf: New file.
3909 * config/alpha/t-osf4: New file.
3910 * config/alpha/x-osf: New file.
3911 * config/alpha/x-alpha: Remove file.
3913 2000-10-04 Will Cohen <wcohen@redhat.com>
3915 * c-typeck.c (process_init_element): Added warning for zero-length
3918 * extend.texi (Zero Length): State that static initializers for
3919 zero-length arrays are not allowed.
3921 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
3923 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
3926 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3928 * config/float-c4x.h: New.
3929 * configure.in (c4x-*): Set float_format to c4x.
3930 * configure: Regenerate.
3932 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3934 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
3935 compilation for solaris versions 2.7 and greater.
3937 2000-10-02 Marc Espie <espie@openbsd.org>
3939 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
3940 instead of redefining from scratch.
3942 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
3944 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
3946 2000-10-01 Mark Mitchell <mark@codesourcery.com>
3948 * config/ns32k/genix.h: Remove.
3949 * config/ns32k/x-genix: Likewise.
3950 * config/ns32k/xm-genix.h: Likewise.
3951 * config/fx80: Remove all filee in directory.
3952 * config/pyr: Likewise.
3953 * config/tahoe: Likewise.
3954 * config/gmicro: Likewise.
3955 * config/spur: Likewise.
3956 * configure.in: Remove configury bits for above targets.
3957 * configure: Regenerated.
3959 * configure.in: Don't configure chill by default.
3960 * configure: Regenerated.
3962 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
3963 (lang_mark_false_label_stack): Remove.
3964 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
3965 <top level> string in GC area.
3966 (mark_splay_tree_node): New function.
3967 (mark_splay_tree): Likewise.
3968 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
3970 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
3971 * ggc-common.c (lang_mark_false_label_stack): Change type.
3972 * ggc.h (ggc_alloc_string): Add comment.
3973 (ggc_strdup): New function.
3975 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
3977 * config/avr/avr.h (BRANCH_COST): Define as 0.
3979 * config/pdp11/pdp11.c: #include "tree.h" added.
3981 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
3983 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
3984 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
3985 with known shift count.
3986 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
3987 New alternative for shift count 2 with no scratch register.
3988 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
3989 "set_n" for shift counts 1 and 2.
3991 2000-09-30 Geoff Keating <geoffk@cygnus.com>
3993 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
3994 the mask value from the individual SET operations.
3995 (return_internal_si): Move the USE after the RETURN.
3996 (return_internal_di): Likewise.
3997 (return_and_restore_fpregs_si): Likewise.
3998 (return_and_restore_fpregs_di): Likewise.
3999 (return_eh_si): Likewise.
4000 (return_eh_di): Likewise.
4001 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
4003 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
4004 Don't generate a PARALLEL around a single operation movsi_to_cr.
4005 Generate the RETURN first in any PARALLELs.
4007 * rtlanal.c (single_set_1): Use fatal_insn to display the
4008 invalid insn. Check for more cases when a USE or CLOBBER occurs
4010 * Makefile.in: Update dependencies for rtlanal.o.
4012 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4014 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
4016 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4018 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
4019 Consistently use @email for formatting email addresses.
4021 2000-09-29 Richard Henderson <rth@cygnus.com>
4023 * cse.c (notreg_cost): New argument outer.
4024 (COST): Pass in SET to notreg_cost
4026 (fold_rtx): Use COST_IN. Prefer constants when costs
4029 2000-09-29 David Edelsohn <edelsohn@gnu.org>
4031 * fixinc/inclhack.def (broken_cabs): Generalize regex.
4032 * fixinc/fixincl.x: Regenerate.
4034 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4036 * loop.c (check_final_value): A GIV is not replaceable if used
4039 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
4041 * version.c: Bump to gcc-2.97.
4043 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
4045 * final.c (final_scan_insn): Remove extra extract_insn call;
4046 Use caching for constrain_operands.
4047 (cleanup_subreg_operands): Use caching for extract_insn.
4048 * recog.c (constrain_operands_cached): New.
4049 * recog.h (constrain_operands_cached): Declare.
4050 * i386.c (ix86_attr_length_immediate_default,
4051 ix86_attr_length_address_default, ix86_agi_dependant): Cache
4054 * recog.c (asm_noperands): Tweak.
4055 (extract_insn): Do not call asm_noperads for non-asm instructions.
4057 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4059 * recog.c (recog_memoized): Rename to recog_memoized_1.
4060 * recog.h (recog_memoized): Rename to recog_memoized_1.
4061 (recog_memoized): New macro.
4062 * rtl.h (single_set): Rename to single_set_1
4063 (single_set): New macro.
4064 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
4067 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
4068 Do not use match_dup of input operands at outputs.
4069 Use register_operand for memory expression.
4070 (rep_movsi): Put use last, canonicalize.
4071 Use register_operand for memory expression.
4072 (rep_movqi): Put use last.
4073 Use register_operand for memory expression.
4074 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
4075 of input operands at outputs. Use register_operand for memory
4077 (rep_stossi): Put use last; canonicalize; fix match_dup in
4078 the address expression
4079 (rep_stosqi): Likewise.
4080 (memcmp expander): Update calls.
4081 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
4084 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
4086 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
4088 2000-09-28 David O'Brien <obrien@FreeBSD.org>
4090 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
4091 Contains the old contents of config/i386/freebsd.h
4092 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
4093 Contains the old contents of config/i386/freebsd-elf.h
4094 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
4095 config/i386/freebsd.h.
4096 * configure.in: Adjust for above changes.
4097 * po/POTFILES.in: Likewise.
4098 * po/en_GB.po: Likewise.
4099 * po/gcc.pot: Likewise.
4100 * configure: Rebuilt.
4102 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4104 * doloop.c (doloop_modify): Prevent delete_insn() from
4105 deleting too much. Prefer loop->top over loop->start as
4106 target for the new JUMP insn.
4107 (doloop_valid_p): Ignore loop with exit_count != 0.
4109 2000-09-28 Philipp Thomas <pthomas@suse.de>
4111 * invoke.texi (i386 Options): Add athlon to table of possible
4114 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
4116 * diagnostic.h (output_clear_message_text): New function.
4117 (output_message_text): New macro.
4119 * diagnostic.c (clear_text_info): Rename to
4120 output_clear_message_text.
4121 (output_clear): Adjust.
4122 (output_finish): Rename to output_finalize_message. Tweek.
4123 (output_to_stream): Adjust.
4125 2000-09-28 Neil Booth <neilb@earthling.net>
4127 * cpperror.c (_cpp_begin_message): Do the test for suppression
4128 of warnings and pedantic warnings before the "is a warning an
4130 * cppinit.c (cpp_handle_option): Remove surplus \n.
4131 * cpplex.c (ON_REST_ARG): Delete.
4132 (skip_block_comment): Initialise prevc.
4133 (parse_args): Improve error messages.
4134 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
4136 * cpplib.c (cpp_push_buffer): Fix grammar in message.
4137 * cppmain.c (main): Set callbacks for #ident and #pragma
4138 only if no_output option is false.
4139 (do_pragma_implementation): Only call the #pragma handler
4140 if it is set in the cpp_reader structure.
4142 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
4144 * integrate.c (copy_insn_list): if an ignored return value
4145 is being clobbered, skip cloning that into the inline copy.
4147 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
4149 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
4150 use @uref for formatting URLs.
4152 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
4154 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
4157 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
4159 * gcc.c (cpp_options): Add spec for -ftabstop=.
4160 (invoke_as): New spec that handles invoking as.
4161 Update specs to handle -save-temps and -traditional.
4162 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
4164 * cp/lang-specs.h, objc/lang-specs.h: Update to use
4165 invoke_as, and handle -save-temps and -traditional (if
4168 2000-09-26 Jakub Jelinek <jakub@redhat.com>
4170 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
4172 (function_arg_slotno): Accept TImode/CTImode.
4173 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
4176 2000-09-26 Michael Hayes <mhayes@cygnus.com>
4178 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
4181 2000-09-25 Jim Wilson <wilson@cygnus.com>
4183 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
4184 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
4185 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
4186 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
4188 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4190 * cpplex.c (parse_args): Don't set VOID_REST flag.
4191 (CONTEXT_VARARGS): New flag.
4192 (maybe_paste_with_next): Set context earlier in loop. Use
4193 it. Do varargs test with CONTEXT_VARARGS flag.
4194 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4195 pushing an argument context for a varargs argument.
4196 * cpplib.h (VOID_REST): Delete.
4197 * gcc.dg/cpp/vararg1.c: Add test case.
4199 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4201 * flags.h: Declare warning flag warn_system_headers.
4202 * toplev.c: Define it.
4203 (W_options): Add option -Wsystem-headers.
4204 * diagnostic.c (count_error): Test warn_system_headers.
4205 * invoke.texi: Add description for -Wsystem-headers.
4206 * cpplib.h (cpp_options): New member warn_system_headers.
4207 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4208 CPP_IN_SYSTEM_HEADER.
4209 * cpplib.c (do_import, do_pragma_once): Likewise.
4210 * cpperror.c (_cpp_begin_message): Test warn_system_headers
4211 and CPP_IN_SYSTEM_HEADER.
4212 * cppinit.c (handle_option): Recognize -Wsystem_headers.
4213 (print_help): Describe -Wsystem_headers.
4214 * cpplex.c (lex_line): Reorganize condition so that warnings
4215 about C++ comments in system headers can be enabled. Remove
4216 label do_line_comment.
4218 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
4220 * cpplex.c (save_comment): Only store the initial '/'
4222 (lex_token): Combine handling of the two comment types.
4223 Pass everything but the initial '/' to save_comment.
4225 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
4227 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
4228 _cpp_can_paste): New library-internal prototypes.
4229 * cpplex.c (dump_param_spelling, output_line_command,
4230 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
4231 cpp_printf, cpp_output_list): Move to cppoutput.c.
4232 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
4233 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
4235 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
4236 dump_param_spelling, output_line_command, cpp_scan_buffer,
4237 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
4239 * Makefile.in: Add cppoutput.c.
4240 * po/POTFILES.in: Add cppoutput.c.
4242 2000-09-25 Richard Henderson <rth@cygnus.com>
4244 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
4245 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
4246 split until after reload.
4247 (rotlsi3, rotldi3): New.
4249 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
4251 * diagnostic.c (output_last_position): Define.
4252 (set_real_maximum_length): Tweek.
4253 * diagnostic.h (output_last_position): Declare.
4255 2000-09-25 Kazu Hirata <kazu@hxi.com>
4257 * config/i386/i386.c: Fix formatting.
4259 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
4261 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
4262 UNITS_PER_WORD is small.
4264 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
4266 * c-common.c (format_char_info): Add flags2; update comments.
4267 (print_char_table, scan_char_table, time_char_table): Split some
4268 flags out into flags2.
4269 (check_format_info): Use flags2 for those flags, for identifying
4270 the initial character of a scanf scanset, and for identifying
4271 printf formats where the '0' flag is ignored with precision.
4273 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
4275 Changes below marked "here" add TABs on either or both sides,
4276 covering start of line, up to any operand for all noted .*ASM.*_OP
4277 definitions. All callers changed.
4278 * tm.texi: Make documented *_ASM.*_OP:s include spacing
4279 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
4280 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4281 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4282 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
4283 Fix typos in description for LONG_LONG_TYPE_SIZE and
4284 FINI_SECTION_ASM_OP.
4285 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
4286 why these defaults don't have leading spacing.
4287 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
4288 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4289 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
4290 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
4291 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
4292 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
4293 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
4294 * varasm.c (ASM_STABS_OP): Here.
4295 * xcoffout.h (ASM_STABS_OP): Here.
4296 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4297 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4298 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
4299 STRING_ASM_OP): Here.
4300 * config/freebsd.h (IDENT_ASM_OP): Here.
4301 * config/linux-aout.h (SET_ASM_OP): Here.
4302 * config/linux.h (SET_ASM_OP): Here.
4303 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4305 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4306 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
4307 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4308 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4310 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4311 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4312 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
4313 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4314 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
4315 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4316 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
4317 * config/a29k/udi.h (INT_ASM_OP): Here.
4318 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
4319 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4321 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
4322 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4323 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4324 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
4325 ASM_STABD_OP): Here.
4326 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
4327 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
4328 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4329 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
4330 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
4331 SIZE_ASM_OP, STRING_ASM_OP): Here.
4332 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
4333 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
4334 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
4335 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
4336 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
4337 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
4339 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4340 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
4341 * config/arm/coff.h (INT_ASM_OP): Here.
4342 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4343 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
4344 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
4345 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
4346 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4347 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4348 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
4349 STRING_ASM_OP): Here. Update documentation copy in comments.
4350 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
4351 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
4352 DATA_SECTION_ASM_OP): Here.
4353 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
4355 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
4356 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4357 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4358 BSS_SECTION_ASM_OP): Here.
4359 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4360 BSS_SECTION_ASM_OP): Here.
4361 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4363 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
4364 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4365 * config/h8300/h8300.h (ASM_WORD_OP): Here.
4366 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4367 BSS_SECTION_ASM_OP): Here.
4368 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
4369 * config/i386/bsd.h (ASM_BYTE_OP): Here.
4370 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
4371 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
4372 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
4374 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
4375 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
4377 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
4378 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4379 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
4380 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4382 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
4383 * config/i386/netbsd.h (INT_ASM_OP): Here.
4384 * config/i386/openbsd.h (INT_ASM_OP): Here.
4385 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
4386 IDENT_ASM_OP): Here.
4387 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
4388 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
4389 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
4390 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
4391 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
4392 SHARED_BSS_SECTION_ASM_OP): Here.
4393 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
4394 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4395 DATA_SECTION_ASM_OP): Here.
4396 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4397 CONST_SECTION_ASM_OP): Here.
4398 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
4399 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4400 BSS_SECTION_ASM_OP): Here.
4401 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
4402 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
4403 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
4404 BSS_ASM_OP): Here, but use trailing spaces.
4405 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4406 DATA_SECTION_ASM_OP): Here.
4407 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
4409 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
4410 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
4411 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4412 TDESC_SECTION_ASM_OP): Here.
4413 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
4414 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4415 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4417 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4418 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4419 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4420 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4421 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
4422 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
4423 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4424 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
4425 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
4426 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
4427 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4428 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4430 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4431 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4432 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
4433 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
4434 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
4435 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
4436 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
4437 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4438 GLOBAL_ASM_OP): Here.
4439 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
4440 BSS_SECTION_ASM_OP): Here.
4441 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
4442 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4443 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
4444 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
4446 * config/m68k/newsgas.h (SET_ASM_OP): Here.
4447 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
4448 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4449 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4450 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4451 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
4452 but use trailing spaces.
4453 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
4454 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
4455 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
4457 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4458 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4459 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4460 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4461 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4462 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
4463 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
4464 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
4465 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
4466 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
4467 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4468 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
4470 * config/m88k/openbsd.h (SET_ASM_OP): Here.
4471 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4472 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4473 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
4474 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
4475 DTORS_SECTION_ASM_OP): Here.
4476 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
4477 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4478 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
4479 BSS_SECTION_ASM_OP): Here.
4480 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
4481 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
4482 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
4483 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
4484 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
4485 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4486 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
4487 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
4489 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
4491 * config/mips/osfrose.h (SET_ASM_OP): Here.
4492 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
4493 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
4494 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
4495 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4497 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
4498 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
4499 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
4500 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
4501 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
4502 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4504 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4506 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
4507 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
4508 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
4510 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
4511 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
4512 * config/sparc/linux.h (COMMON_ASM_OP): Here.
4513 * config/sparc/linux64.h (COMMON_ASM_OP,
4514 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4515 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
4516 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4517 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
4518 * config/sparc/pbd.h (ASM_INT_OP): Here.
4519 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
4520 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4521 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
4522 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
4523 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
4524 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
4525 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
4526 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
4527 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
4528 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4529 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4530 EH_FRAME_SECTION_ASM_OP): Here.
4531 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
4532 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4534 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4536 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
4537 TCOMMON_ASM_OP): Here.
4538 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4540 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4543 2000-09-25 Richard Henderson <rth@cygnus.com>
4545 * expmed.c (store_bit_field): Adjust last change to not consider
4546 any word-sized field naturally aligned.
4548 2000-09-24 Richard Henderson <rth@cygnus.com>
4550 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
4551 TFmode unordered compares properly. Revalidate integer compare
4553 (alpha_emit_setcc): New.
4554 (alpha_emit_conditional_move): Revalidate integer compare operands.
4555 * config/alpha/alpha-protos.h: Update.
4556 * config/alpha/alpha.md (cmpdi): Allow general operands.
4557 (sne): Use alpha_emit_setcc.
4558 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
4559 (sunordered, sordered): New.
4561 2000-09-24 Richard Henderson <rth@cygnus.com>
4563 * config/ia64/ia64-protos.h: Update.
4564 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
4565 (ia64_expand_call): New.
4566 (ia64_expand_prologue): Emit an alloc if we need extra input
4568 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
4569 instruction if true.
4570 (struct reg_flags): Add is_sibcall.
4571 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
4572 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
4573 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
4574 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4575 * config/ia64/ia64.md (call): Use ia64_expand_call.
4576 (call_value): Likewise.
4577 (sibcall, sibcall_value): New.
4578 (call patterns): Remove extra expanders; tidy.
4579 (sibcall_epilogue): New.
4580 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
4582 2000-09-24 Richard Henderson <rth@cygnus.com>
4584 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
4586 * sibcall.c (skip_pic_restore): New.
4587 (identify_call_return_value): Use it.
4589 2000-09-24 Mark Mitchell <mark@codesourcery.com>
4591 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
4592 functions. Generalize to handle both C and C++.
4593 * Makefile.in (c-tree.info): New target.
4594 (info): Add c-tree.info.
4596 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4598 * expr.c (store_field): If BITSIZE is negative, use size of type.
4599 (expand_expr, case COMPONENT_EXPR): Likewise.
4601 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
4603 * cpplex.c: Update TODO comment.
4604 * cpplib.c (do_error, do_warning): Merge common code of
4605 do_error and do_warning into do_diagnostic. Use it.
4606 (do_diagnostic): New function.
4607 * cpplib.h: Fix comment typo.
4609 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4611 * c-common.c (check_format_info): Warn for a wide character string
4612 used as a non-wide format argument.
4614 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4616 * builtins.def (BUILT_IN_LLABS): Add.
4617 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
4618 * c-common.c (c_common_nodes_builtins): Create builtin functions
4619 __builtin_llabs, and plain llabs unless no_nonansi_builtins
4620 outside of C99 mode.
4621 (expand_tree_builtin): Handle BUILT_IN_LLABS.
4623 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
4625 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
4626 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
4627 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
4628 _cpp_free_toklist): No need to worry about extra dummy token
4629 at the start of token lists any more.
4630 (trigraph_ok): Only warn outside comments.
4631 (skip_block_comment): Set and clear lexing_comment.
4632 (skip_line_comment): Take a cpp_reader not cpp_buffer.
4633 Set and clear lexing_comment.
4634 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
4635 (check_long_token): Delete.
4636 (lex_percent, lex_dot): New subroutines of lex_token to
4637 handle lexing of '.' and '%' without lookback.
4638 (lex_token): Use lex_dot and lex_percent.
4639 (lex_line): Don't check for LIST_OFFSET.
4640 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
4641 * cpplib.c (_cpp_parse_assertion): Similarly.
4642 (cpp_push_buffer): Initialize extra_char.
4643 * cpplib.h (LIST_OFFSET): Delete.
4644 (struct cpp_buffer): New member extra_char.
4645 (struct lexer_state): New members lexing_comment and seen_dot.
4647 2000-09-23 Jason Merrill <jason@redhat.com>
4649 * config/rs6000/x-aix41 (CLIB): Define here.
4650 * config/rs6000/t-aix43: Not here.
4651 * config/rs6000/t-aix41: Or here. Remove.
4652 * configure.in: Don't use it.
4654 2000-09-22 Jason Merrill <jason@redhat.com>
4656 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
4657 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
4658 * config.in: Regenerate.
4660 * configure.in: Fix checks for assembler features when using a
4661 one-tree assembler that has not yet been built.
4662 Fix --disable-threads.
4664 2000-09-19 Geoff Keating <geoffk@cygnus.com>
4666 * stmt.c (expand_asm_operands): Allow # in constraints.
4668 2000-09-22 Jason Merrill <jason@redhat.com>
4670 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
4672 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
4673 function-local names.
4675 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
4676 Mark Mitchell <mark@codesourcery.com>
4678 * toplev.c (warn_disabled_optimization): Declare new warning flag.
4679 * flags.h (warn_disabled_optimization): Add it here.
4680 * gcse.c (gcse_main): Add warning when disabled.
4681 * invoke.texi: Document -Wdisabled-optimization.
4683 2000-09-21 Jason Merrill <jason@redhat.com>
4685 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
4687 * dwarf2out.c (tree_add_const_value_attribute): New fn.
4688 (gen_variable_die): Call it for non-definitions.
4690 * dwarf2out.c (die_struct): Add die_mark field.
4691 (mark_dies, unmark_dies): New fns.
4692 (clear_die_sizes): Remove.
4693 (print_die): Check die_symbol rather than die_offset.
4694 (build_abbrev_table, output_pubnames, output_aranges): Check
4695 die_mark rather than die_offset.
4696 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
4699 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
4701 * cppfiles.c (lookup_include_file): Rename to open_file.
4702 Always create a splay tree value, even on syscall failures.
4703 Negative entries indicated by fd == -2.
4704 Re-open files closed in the meantime.
4705 (_cpp_fake_include): Create a negative splay tree entry.
4706 (find_include_file, cpp_read_file): Update for function name
4708 * gcc.gd/cpp/mi4.c: Testcase.
4710 2000-09-21 Nick Clifton <nickc@redhat.com>
4712 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
4713 ARM and THUMB modes.
4715 * config/mcore/mcore.c: Fix compile time warnings.
4716 * config/mcore/mcore-protos.h: Fix compile time warnings.
4718 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4720 * configure.in: Correct test of gcc_cv_glibc.
4721 * configure: Rebuilt.
4722 * config.in: Rebuilt.
4724 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4726 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
4727 (expand_builtin): Handle BUILT_IN_FWRITE.
4729 * builtins.def (BUILT_IN_FWRITE): New entry.
4731 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
4733 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4735 * gcc.c (modify_target): New variable and struct.
4736 (process_command): Handle MODIFY_TARGET_NAME.
4737 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
4738 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
4740 * c-decl.c (finish_decl): Add else's to avoid referencing
4741 TYPE_DOMAIN of an ERROR_MARK.
4743 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
4745 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
4748 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
4750 * config/avr/avr.md (neghi2): Add alternative for input and output
4751 operands in different registers, as in negsi2.
4752 (*negsi2): Remove '*' from the name. Use "movw" if available.
4754 2000-09-19 Jim Wilson <wilson@cygnus.com>
4756 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
4757 HAVE_GAS_HIDDEN macro.
4759 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
4761 * cpplex.c (lex_line): Drop the EOF token for unknown
4762 directives in assembler.
4764 2000-09-19 David Edelsohn <edelsohn@gnu.org>
4766 * configure.in: Allow enable_threads_flag value of "aix". Define
4767 thread_file as "aix" for AIX 4.3 and above.
4768 * configure: Regenerated.
4770 * gthr-aix.h: New file.
4772 * rs6000/t-aix43: Replace soft-float multilib with pthread.
4773 Remove 403 processor multilib match. Fix rios2 processor multilib
4776 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
4777 to return to appropriate csect.
4779 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4781 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
4783 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
4784 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
4787 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
4790 * c-common.c (init_function_format_info): Handle __builtin_printf.
4791 Set `check_function_format_ptr'.
4792 (c_common_nodes_and_builtins): Set `puts_ftype' and
4793 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
4794 __builtin_printf and printf.
4796 * tree.c, tree.h (check_function_format_ptr): Declare.
4798 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
4800 * cppfiles.c (read_include_file): Take no special action for
4803 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
4805 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
4806 rather than that of branch.
4807 (shorten_branches): Don't increment insn_current_address twice.
4809 Undo most of the Wed Jan 27 23:39:53 1999 patch:
4810 * loop.h (struct induction): Delete members derived, ix and last_use.
4811 (struct loop_ivs): Delete members first_increment_giv and
4813 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
4814 recombine_givs): Delete functions.
4815 (find_and_verify_loops): Don't initialize cont_dominator.
4816 (strength_reduce): Lose code to try to find bivs that can be
4817 expressed as givs of another biv, and to convert biv increments
4819 Lose loop_scan_start variable, always use loop->scan_start.
4820 Don't call recombine_givs. Don't handle derived givs.
4821 (record_giv): Don't initialize derived and last_use fields.
4822 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
4824 * unroll.c (derived_regs): Delete static variable.
4825 (unroll_loop): Don't initialize it.
4826 (copy_loop_body): Lose code to handle derived givs.
4827 (find_splittable_givs): Don't check for givs made from biv
4829 Don't set derived_regs.
4831 Fix misapplied earlier patch:
4832 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
4834 (floatsisf2): Generate floatsisf_ie by default.
4835 (floatsisf_i4): Conditional on TARGET_SH4.
4837 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
4838 predicate for the expanders.
4840 2000-09-19 Richard Henderson <rth@cygnus.com>
4842 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
4843 in addition to pentium and pentiumpro symbols.
4844 (CPP_CPU_DEFAULT_SPEC): Likewise.
4846 * c-typeck.c (c_expand_asm_operands): Restore the output tree
4849 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
4850 if the tree has side effects.
4851 (warn_if_unused_value): Do not warn about void constructs.
4853 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
4855 * unroll.c (copy_loop_body): Update LABEL_NUSES before
4856 calling invert_jump.
4858 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4860 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
4863 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4865 * Makefile.in (c-common.o): Depend on diagnostic.h.
4867 * c-common.c: Include diagnostic.h.
4869 (status_warning): New function.
4870 (check_format_info, maybe_read_dollar_number, check_format_types,
4871 finish_dollar_format_checking, check_function_format): Accept a
4872 `status' parameter. All callers changed.
4874 * c-common.h (check_function_format): Accept a `status' parameter.
4876 * c-typeck.c: Update call to `check_function_format'.
4878 2000-09-18 Richard Henderson <rth@cygnus.com>
4880 * c-decl.c (c_expand_body): Call mark_varargs before
4881 expand_function_start.
4883 2000-09-18 Geoff Keating <geoffk@cygnus.com>
4885 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
4886 * config/rs6000/eabi-ci.asm: Likewise.
4888 2000-09-18 Richard Henderson <rth@cygnus.com>
4890 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
4893 2000-09-18 Jim Wilson <wilson@cygnus.com>
4895 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
4896 before passing it to fold_rtx_mult_add.
4898 * unroll.c (final_giv_value): Pass increment through
4899 extend_value_for_giv before passing it to emit_iv_add_mult.
4901 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
4902 paradoxical subreg, then directly substitute the replacement and
4905 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
4907 * cpp.texi: Update documentation, including some clarifications,
4908 the treatment of various newline combinations, and space between
4909 backslash and newline.
4911 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4913 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
4914 Replace ASM_OUTPUT_LABELREF with assemble_name.
4916 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4918 * sh.c (addsubcosts): CONST is not cheap.
4919 (find_barrier): For Sh1, take alignment after jumps into account.
4921 2000-09-15 Andrew Haley <aph@redhat.com>
4923 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
4924 remove all SETs of SUBREGs of hard registers.
4925 * function.c (purge_hard_subreg_sets): New function.
4926 (purge_single_hard_subreg_set): New function.
4927 * rtl.h: (purge_hard_subreg_sets): New function.
4929 2000-09-18 Richard Henderson <rth@cygnus.com>
4931 * config/ia64/ia64-protos.h: Update.
4932 * config/ia64/ia64.c (signed_inequality_operator): New.
4933 (ia64_expand_compare): New.
4934 (ia64_register_move_cost): Handle PR_REGS moves.
4935 (ia64_secondary_reload_class): Require a GR when moving to a PR.
4936 (struct reg_write_state): Add written_by_and/or.
4937 (struct reg_flags): Add is_and/or.
4938 (rws_update): Set them.
4939 (rws_access_regno): Test them to allow parallel comparisons.
4940 (rtx_needs_barrier): Recognize parallel comparisons.
4941 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
4942 Call recog_memoized; ignore pred_rel_mutex.
4943 (emit_predicate_relation_info): Don't call find_basic_blocks here.
4944 (ia64_reorg): Do it here instead.
4945 * config/ia64/ia64.h: s/CCmode/BImode/g
4946 (MODES_TIEABLE_P): Don't tie BImode.
4947 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
4948 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
4949 (RTX_COSTS): Make multiply 4 insns.
4950 (MEMORY_MOVE_COST): New.
4951 (PREDICATE_CODES): Update.
4952 * config/ia64/ia64.md: s/CCmode/BImode/g
4953 (movcci, movbi): New.
4954 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
4955 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
4956 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
4957 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
4958 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
4959 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
4960 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
4961 (mulsi, muldi): Use xmpy not xma.
4963 (movcc, movcc_internal): Remove.
4964 (branch expanders): Use ia64_expand_compare.
4965 (setcc expanders): Likewise.
4966 (cmov insns): Use move_operand and ia64_move_ok.
4967 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
4968 scheduler from moving it past a use.
4969 * config/ia64/build.hacks: Remove.
4971 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
4973 * cpphash.h (HASHSTEP): Take character rather than pointer
4975 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
4977 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
4979 * cpplex.c (auto_expand_name_space, trigraph_replace,
4980 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
4981 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
4982 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
4983 KNOWN_DIRECTIVE): Delete.
4985 (handle_newline, check_long_token, skip_escaped_newlines,
4986 unterminated): New functions.
4987 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
4989 (parse_identifier): Was parse_name, new implementation.
4990 (skip_line_comment, skip_block_comment, skip_whitespace,
4991 parse_number, parse_string, trigraph_ok, save_comment,
4992 adjust_column, _cpp_get_line): New implementations.
4994 (lex_token): New function. Lexes a token at a time, looking
4995 forwards. Contains most of the guts of the old lex_line.
4996 (lex_line): New implementation, using lex_token to obtain
4998 (cpp_scan_buffer): Use the token's line, not the list's line.
5000 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
5001 New implementations.
5002 (do_assert): Don't bother setting the answer's list's line.
5003 (cpp_push_buffer): Initialise new pfile and read_ahead members
5004 of struct cpp_buffer.
5006 * cpplib.h (cppchar_t): New typedef.
5007 (struct cpp_buffer): read_ahead, pfile and col_adjust are
5009 (struct lexer_state): New structure that determines the state
5010 and behaviour of the lexer.
5011 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
5012 (struct cpp_reader): New member "state". Rename
5013 multiline_string_line and multiline_string_column. Delete
5014 col_adjust, in_lex_line members.
5015 (CPP_BUF_COLUMN): Update.
5017 2000-09-18 Richard Henderson <rth@cygnus.com>
5019 * combine.c (simplify_comparison): Shift a NOT out of a single
5022 * combine.c (if_then_else_cond): Canonicalize BImode true to
5024 * explow.c (trunc_int_for_mode): Likewise.
5026 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
5027 the NOT for De Morgan's rule.
5028 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
5029 of a comparison to the reverse comparison.
5031 * combine.c (try_combine): Allow split to create a single insn.
5033 * machmode.def: Add BImode. Add a column for bitsize.
5034 * machmode.h (DEF_MACHMODE): Adjust for extra column.
5035 (GET_MODE_BITSIZE): Use it.
5036 * rtl.c (DEF_MACHMODE): Adjust for extra column.
5037 (mode_bitsize): New.
5038 (mode_mask_array): Use bitsize.
5039 * combine.c (combine_simplify_rtx): Require inner and outer
5040 modes to match on nonzero_bits optimizations.
5042 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5044 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
5045 its entry in spill_reg_store.
5046 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
5047 * sh.c (reg_no_subreg_operand): New function.
5048 * sh-protos.h (reg_no_subreg_operand): Declare it.
5049 * sh.h (PREDICATE_CODES): Add it.
5050 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
5051 input operand that needs to be in fpul.
5052 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
5053 * sh.c (find_barrier): Take into account that machine_dependent_reorg
5054 might add new insns.
5056 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
5058 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
5060 (sh_expand_epilogue): Take the PIC register into account when
5061 computing the frame size.
5063 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
5064 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
5065 LABEL_REFs with a PIC-safe unspec.
5067 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5069 * c-common.c (check_format_info): Properly save the argument
5070 number and parameter for $ operand number formats in case width
5071 and precision arguments are also used. Allow printf width and
5072 precision arguments to have operand numbers even if none was
5073 specified for the main format, since this is OK for %*.*m. Only
5074 object to missing $ operand number if the format used requires an
5077 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5079 * c-common.c (format_char_info): Add 'W' flag to comment.
5080 (print_char_table, scan_char_table): Use it.
5081 (check_format_info): Use the 'W' flag to determine whether a
5082 format argument is written into.
5084 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5086 * c-common.c (check_format_types): Reorganise and clean up,
5087 checking earlier for ERROR_MARKs and making cur_type into its
5088 TYPE_MAIN_VARIANT where convenient.
5090 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5092 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
5094 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5096 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
5098 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
5099 * i386.c (struct builtin_description): New.
5100 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
5101 (mmx_reg_operand): Declare MODE arg as unused.
5102 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
5103 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
5104 ix86_expand_binop_builtin, ix86_expand_store_builtin,
5105 ix86_init_builtins, ix86_expand_builtin): New functions.
5106 * i386.h (ix86_builtins): New enumeration.
5107 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
5108 * i386.md (attr length_immediate): 0 for mmx/sse types.
5109 (attr prefix_0f): 1 for mmx/sse types.
5110 (setcc_2): Remove "*" so we get gen_setcc_2.
5111 (emms): Account for changed register numbering. Set "memory" attr
5113 (sfence): Set "memory" attr to unknown.
5115 2000-09-18 Andreas Jaeger <aj@suse.de>
5117 * configure.in: Define _GNU_SOURCE only when using the GNU C
5119 * configure: Regenerated.
5120 * config.in: Regenerated.
5122 2000-09-17 Mark Mitchell <mark@codesourcery.com>
5124 * cppinit.c (cpp_init): Don't use ANSI prototypes.
5125 * flow.c (flow_dump_loop): Likewise.
5126 (flow_loops_dump): Likewise.
5128 * c-typeck.c (c_start_case): Fix typo.
5130 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5132 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
5133 to int for plain complex which defaults to complex double. Do
5134 warn about defaulting to complex double if pedantic. Warn about
5135 complex integer types if pedantic. Warn about complex types if
5136 pedantic and not in C99 mode.
5137 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
5138 for complex conjugation.
5140 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5142 * contrib.texi: Update my entry.
5144 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
5146 * config/avr/avr.md (mcu_enhanced): New attribute.
5147 (mcu_mega): Likewise.
5148 (extendhisi2): Use mcu_enhanced.
5149 (zero_extendhisi2): Likewise.
5150 (call_insn): Use mcu_enhanced and mcu_mega.
5151 (call_value_insn): Likewise.
5152 (*sbrx_branch): Use mcu_mega.
5153 (*sbrx_and_branchsi): Likewise.
5154 (*sbrx_and_branchhi): Likewise.
5155 (*tablejump_lib): Likewise.
5157 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5159 * alias.c (true_dependence): Allow non-unchanging read to conflict
5160 with unchanging write.
5162 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
5163 (store_constructor): Pass alias_set to it.
5165 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
5166 TYPE_MAIN_VARIANT of ERROR_MARK.
5167 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
5169 * simplify-rtx.c (simplify_unary_operation): Add cases
5170 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
5172 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
5174 * expr.h (emit_library_call, emit_library_call_value): Delete
5176 * rtl.h (enum libcall_type): New.
5177 (emit_library_call, emit_library_call_value): Change fn_type arg to
5178 be of type enum libcall_type.
5179 * calls.c: Likewise for the function definitions. Several callers
5180 throughout changed to use the new enumeration appropriately.
5181 (emit_library_call_value_1): Likewise. Put back code to make libcall
5182 blocks of equal form, but only use it for the two new higher
5185 2000-09-16 Mark Mitchell <mark@codesourcery.com>
5187 Convert the C front-end to use function-at-a-time mode.
5188 * c-common.h: Include splay-tree.h.
5189 (C_DECLARED_LABEL_FLAG): New macro.
5190 (struct language_function): Add x_scope_stmt_stack and
5191 x_function_name_declared_p.
5192 (RECHAIN_STMTS): Move definition.
5193 (lang_statment_code_p): Likewise.
5194 (lang_expand_stmt): Likewise.
5195 (lang_expand_decl_stmt): New variable.
5196 (lang_expand_function_end): Likewise.
5197 (current_scope_stmt_stack): New function.
5198 (add_decl_stmt): Likewise.
5199 (add_scope_stmt): Likewise.
5200 (mark_stmt_tree): Likewise.
5201 (struct c_lang_decl): New structure.
5202 (DECL_SAVED_TREE): Define.
5203 (c_mark_lang_decl): New function.
5204 (c_expand_start_cond): Change prototype.
5205 (c_finish_then): New function.
5206 (c_finish_else): Likewise.
5207 (current_function_name_declared): Remove.
5208 (set_current_function_name_declared): Likewise.
5209 (mark_c_language_function): Declare.
5210 (case_compare): Likewise.
5211 (c_add_case_label): Likewise.
5212 (c_expand_expr): Likewise.
5213 (c_safe_from_p): Likewise.
5214 * c-common.c (lang_expand_function_end): New variable.
5215 (struct if_elt): Add if_stmt.
5216 (c_expand_start_cond): Add the if-statement to the statement-tree,
5217 rather than generating RTL.
5218 (c_finish_then): New function.
5219 (c_expand_start_else): Don't generate RTL.
5220 (c_finish_else): New function.
5221 (c_expand_expr_stmt): Don't generate RTL.
5222 (statement_code_p): Add SCOPE_STMT.
5223 (case_compare): New function.
5224 (c_add_case_label): Likewise.
5225 (mark_stmt_tree): Likewise.
5226 (c_mark_lang_decl): Likewise.
5227 (mark_c_language_function): Likewise.
5228 (c_expand_expr): Likewise.
5229 (c_safe_from_p): Likewise.
5230 * c-decl.c (c_stmt_tree): New variable
5231 (c_scope_stmt_stack): Likewise.
5232 (c_function_name_declared_p): Likewise.
5233 (lang_expand_expr_stmt): Remove.
5234 (poplevel): Don't call output_inline_function for nested
5236 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
5238 (redeclaration_error_message): Change means of computing whether
5239 or not a function is nested.
5240 (lookup_label): Don't call label_rtx.
5241 (init_decl_processing): Add more GC roots.
5242 (start_decl): Add DECL_STMTs to the statement-tree, rather than
5243 calling rest_of_decl_compilation.
5244 (finish_decl): Don't call expand_decl.
5245 (store_parm_decls): Begin the statement-tree, but don't generate
5247 (finish_function): Tie off the statement-tree. Call c_expand_body
5249 (c_expand_body): New function.
5250 (push_c_function_context): Save more information.
5251 (pop_c_function_contxt): Likewise.
5252 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
5253 (lang_mark_tree): Mark it.
5254 (current_stmt_tree): Adjust.
5255 (current_scope_stmt_stack): New function.
5257 (set_current_name_declared): Likewise.
5258 (c_begin_compound_stmt): Define.
5259 (c_expand_decl_stmt): Likewise.
5260 * c-lang.c: Include rtl.h and expr.h.
5261 (lang_init): Set more language-specific hooks.
5262 * c-lex.c: Include expr.h.
5263 * c-parse.in: Changes throughout to add statements to the
5264 statement-tree, rather than generating RTL after every statement.
5265 * c-semantics.c (lang_expand_decl_stmt): Define.
5266 (add_decl_stmt): New function.
5267 (add_scope_stmt): Likewise.
5268 (finish_stmt_tree): Tweak.
5269 (genrtl_expr_stmt): Likewise.
5270 (genrtl_decl_stmt): Handle local labels, and call
5271 lang_expand_decl_stmt if required.
5272 (genrtl_for_stmt): Fix line-number handling.
5273 (genrtl_case_label): Handle cleanups.
5274 (genrtl_asm_stmt): Don't call combine_strings.
5275 (genrtl_compound_stmt): Simplify.
5276 (expand_stmt): Handle SCOPE_STMTs.
5277 * c-tree.h (struct lang_decl): New structure.
5278 (C_DECLARED_LABEL_FLAG): Remove.
5279 (c_begin_compound_stmt): Declare.
5280 (c_expand_decl_stmt): Likewise.
5281 (c_expand_start_case): Rename to c_start_case.
5282 (c_finish_case): New function.
5283 * c-typeck.c (start_init): Tweak setting of
5284 constructor_incremental.
5285 (c_expand_asm_operands): Tweak error-handling. Add to the
5287 (c_expand_return): Add to the statement-tree.
5288 (c_expand_start_case): Rename to ...
5289 (c_start_case): ... this.
5290 (struct c_switch): New type.
5291 (switch_stack): New variable.
5292 (do_case): Simplify.
5293 (c_finish_case): New function.
5294 * dependence.c: Include expr.h.
5295 (enum dependence_type): Change spelling of enumerals.
5296 (check_node_dependence): Adjust.
5297 * expr.h (lang_safe_from_p): Declare.
5298 (safe_from_p): Likewise.
5299 * expr.c (lang_safe_from_p): New variable.
5300 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
5301 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
5302 * toplev.c (rest_of_decl_compilation): Robustify.
5303 * tree.c (contains_placeholder_p): Likewise.
5304 * Makefile.in: Update dependencies.
5305 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
5306 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
5307 (objc_expand_function_end): New function.
5308 (finish_method_def): Use it.
5309 (init_objc): Initialize more language-specific hooks.
5310 * objc/Make-lang.in: Update dependencies.
5312 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
5314 * configure.in: Define macros that affect features before
5315 testing for features. Don't define _XOPEN_SOURCE.
5316 * configure: Regenerated.
5317 * config.in: Regenerated.
5319 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
5321 * rtlanal.c (rtx_varies_p): Volatile asms vary.
5322 (rtx_unstable_p): Restructure code. Volatile asms
5325 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5327 * function.h (no_debugging_symbols): New field.
5328 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
5329 Initialize no_debugging_symbols.
5330 (output_inline_function): Save and restore write_symbols and set from
5331 no_debugging_symbols.
5332 * toplev.c (rest_of_compilation): Call save_for_inline.
5333 * tree.h: Update comment.
5335 * stor-layout.c (place_field): Don't do anything if field or
5336 its type are ERROR_MARK.
5338 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
5340 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
5341 (read_include_file): Ensure inc->mmaped is initialized.
5343 2000-09-16 Richard Henderson <rth@cygnus.com>
5345 * cppiles.c (purge_cache): Use PTR not caddr_t.
5347 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
5349 * gcc.c: In description for %{<S}, say the option removed is -S.
5350 * invoke.texi (Spec Files): Ditto.
5352 2000-09-16 Andreas Jaeger <aj@suse.de>
5354 * configure.in: Always define _GNU_SOURCE to make interfaces
5355 visible that were hidden by only defining _GNU_SOURCE.
5356 * configure: Regenerated.
5358 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
5360 * cpplex.c (push_macro_context): Set an argument's level after
5361 calling parse_args. We could loop infinitely otherwise.
5363 2000-09-15 Tom Tromey <tromey@cygnus.com>
5365 * configure, config.in: Rebuilt.
5366 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
5368 2000-09-15 Greg McGary <greg@mcgary.org>
5370 * cppmacro.c (check_trad_stringification): Check token
5371 text pointers against limit before dereferencing.
5373 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
5375 * c-common.c (format_wanted_type): New structure.
5376 (check_format_types): New function.
5377 (check_format_info): Pass all checking of types of format
5378 arguments, including width and precision arguments, to this new
5381 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5383 * BUGS: Remove file.
5385 2000-09-15 Jakub Jelinek <jakub@redhat.com>
5387 * config/alpha/alpha.c (override_options): ev6 cache latencies
5388 from Richard Henderson. Don't allow -mmemory-latency=L0.
5390 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
5391 (TARGET_OPTIONS): Add tune=.
5392 (alpha_tune_string): Declare.
5393 * config/alpha/alpha.c (override_options): Add cpu_table.
5394 Use alpha_cpu_string first to set both alpha_cpu and target_flags
5395 and then alpha_tune_string to set alpha_cpu only.
5396 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
5397 * config/alpha/elf.h (ASM_FILE_START): Likewise.
5398 * config/alpha/osf.h (ASM_FILE_START): Likewise.
5399 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
5401 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5403 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
5405 (ix86_comparison_operator, ix86_cc_mode): Declare
5406 * i386.h (CCGC, CCGCO): New modes.
5407 (SELECT_CC_MODE): Move offline to ....
5408 * i386.c (ix86_cc_mode): .... here; use new modes.
5409 (ix86_comparison_operator): New.
5410 (fcmov_comparison_operator): Ensure proper mode.
5411 (put_condition_mode): More sanity checking.
5412 (ix86_match_ccmode): Handle new modes.
5413 (ix86_expand_fp_compare): GEU requires CCmode.
5414 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
5416 * i386.md (cmp?i_ccz_1): Remove
5417 (cmp?i_ccno_1): Use ix86_match_ccmode.
5418 (cmp?i_minus_1): New.
5419 (cmpsi_1): New expander.
5420 (cmpqi_ext_1): Use match_ccmode
5421 (cmpqi_ext_3): New expander.
5422 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
5423 (cmpqi_ext_4): Use match_ccmode.
5424 (add?i_?): Use match_ccmode.
5426 (test?i_ccz_1): Remove
5428 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
5429 (testqi_ext_0): Use ix86_match_ccmode.
5430 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
5431 (xorqi_cc_ext_1): New expander.
5432 (shift patterns): Use CCGOCmode for all shifts except for sar.
5433 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
5434 (setcc_3, jcc_3, miv?icc_c): Remove.
5436 2000-09-15 Will Cohen <wcohen@redhat.com>
5438 * dwarf2out.c (add_const_value_attribute): Changed array into a
5439 xmalloced object, so it exists after function exit.
5440 (free_AT): Added case for dw_val_class_float to free allocated
5443 2000-09-15 Kazu Hirata <kazu@hxi.com>
5445 * config/i386/i386.md: Fix a comment typo.
5446 * gcc.c: Fix formatting.
5448 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5450 * optabs.c (emit_libcall_block): If target is a user variable,
5451 copy to a temporary first.
5452 * expr.c (convert_move): When generating a libcall, make a libcall
5454 * calls.c (emit_library_call_value_1): Don't create a libcall
5455 sequence here; our caller will in most cases do it.
5457 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
5459 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
5460 * sh.md (reload_outsf): Generate recognizable patterns for
5462 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
5463 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
5464 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
5465 truncdfsf2_i4): Change not to use explicit references to fpul.
5466 (floatsisf2_ie): Remove USE of fpscr.
5467 (floatsisf2): Change default expansion to match this.
5468 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
5471 2000-09-15 Richard Henderson <rth@cygnus.com>
5473 * expmed.c (store_bit_field): Consider naturally aligned
5474 memory for direct reference.
5476 2000-09-15 Richard Henderson <rth@cygnus.com>
5478 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
5479 AND addresses into alias set 0.
5480 (alpha_expand_unaligned_store): Likewise.
5481 (alpha_expand_unaligned_load_words): Likewise.
5482 (alpha_expand_unaligned_store_words): Likewise.
5484 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5486 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
5487 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
5489 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
5490 rsize of UNITS_PER_WORD.
5492 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
5494 * cpplex.c (ON_REST_ARG): Correct the test.
5495 (maybe_paste_with_next): Duplicate a token that fail pasting,
5496 and clear its PASTE_LEFT flag, so that nested pasting attempts
5499 2000-09-14 Richard Henderson <rth@cygnus.com>
5501 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
5502 * cse.c (rtx_cost): Likewise.
5503 * optabls.c (expand_binop): Likewise.
5504 (expand_twoval_binop, prepare_cmp_insn): Likewise.
5505 * regclass.c (copy_cost): Likewise.
5506 * reload1.c (reload_cse_move2add): Likewise.
5508 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
5510 * c-parse.in (reswords): Add _Complex.
5512 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5514 * gcc.1: Delete documentation for -undef preprocessor option.
5516 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
5518 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5519 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
5520 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5521 Remove undefine before config/elfos.h.
5522 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
5524 2000-09-14 Kazu Hirata <kazu@hxi.com>
5526 * invoke.texi (H8/300 Options): Add -ms2600.
5527 * config/h8300.c (h8300_init_once): Output an error when -ms2600
5528 is used without -ms.
5529 * config/h8300.h (TARGET_MAC): New.
5530 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
5531 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
5532 machine other than H8/S2600.
5533 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
5536 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
5538 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
5539 pseudos that refer to the original pseudos, not only to their
5540 equivalent memory locations.
5542 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5544 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
5545 when making new MEM.
5547 * Makefile.in (LN): Remove duplicate definition.
5549 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5551 From Joern Rennecke:
5552 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
5553 on an insn and function_invariant_p returns nonzero for the source,
5554 add a REG_EQUAL note.
5556 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
5558 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
5559 conflict with frame_pointer_rtx.
5561 2000-09-13 Kazu Hirata <kazu@hxi.com>
5563 * loop.c: Fix formatting.
5566 2000-09-13 Richard Henderson <rth@cygnus.com>
5568 * config/ia64/ia64.md (divsf3): New.
5569 (divsf3_internal_lat, divsf3_internal_thr): New.
5570 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
5571 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
5572 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
5573 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
5574 (nmadddf4_alts, nmadddf4_trunc): New.
5575 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
5576 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
5577 (multf3_truncsf_alts, multf3_truncdf_alts): New.
5578 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
5579 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
5580 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
5581 (nmaddtf4_truncdf_alts): New.
5582 (recip_approx): Don't predicate.
5584 2000-09-13 Richard Henderson <rth@cygnus.com>
5586 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
5588 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5590 * flags.h (flag_dump_rtl_in_asm): Declare.
5591 * toplev.c (flag_dump_rtl_in_asm): Define.
5592 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
5593 if -dP is specified.
5594 * rtl.h (print_rtx_head): Declare.
5595 * print-rtl.c (print_rtx_head): Define.
5596 (print_rtx): Print the string pointed to by print_rtx_head
5597 at beginning of each dump line.
5598 (print_rtl): Likewise.
5599 (print_rtl_single): Likewise.
5600 * final.c (final_scan_insn): Dump the insn in the assembly
5602 * gcc.1: Document -dP option.
5603 * invoke.texi (Debugging Options): Likewise.
5605 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5607 * md.texi (Machine Constraints): Document the 68HC11 constraints.
5608 * install.texi (Configurations): Document the 68HC11&68HC12 port.
5609 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
5611 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
5613 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
5614 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
5615 (*clrstrqi): Likewise.
5616 (xorhi3,xorsi3,absqi2): Likewise.
5617 (one_cmplhi2,one_cmplsi2): Likewise.
5618 (addsi3): Two stupid constraint alternatives removed.
5619 (extendhisi2): Use `movw' for enhanced avr cores.
5620 (zero_extendhisi2): Likewise.
5622 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
5624 * alias.c (find_base_term): Use frame_pointer_rtx
5625 when handling an ADDRESSOF.
5627 * cse.c (canon_hash): Handle USE of BLKmode memory.
5628 (cse_insn): Outgoing arguments for a libcall don't
5629 affect any recorded expressions.
5631 2000-09-12 Tom Tromey <tromey@cygnus.com>
5633 * configure, config.in: Rebuilt.
5634 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
5636 2000-09-12 Jakub Jelinek <jakub@redhat.com>
5638 * c-lex.c (lex_string): Use charwidth to compute bytemask.
5639 * expr.c (expand_expr): Don't optimize constant array references
5640 initialized with wide string constants.
5642 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5644 * loop.c (note_set_pseudo_multiple_uses): Correct.
5646 2000-09-12 Jim Wilson <wilson@cygnus.com>
5648 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
5649 else block, and X has side-effects, then fail.
5651 2000-09-12 Greg McGary <greg@mcgary.org>
5653 * config/mips/mips-protos.h
5654 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
5655 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
5656 (PREDICATE_CODES): Add "trap_cmp_op".
5657 * config/mips/mips.c
5658 (trap_cmp_op, mips_gen_conditional_trap): New functions.
5659 * config/mips/mips.md (trap, conditional_trap): New patterns.
5661 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5663 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
5666 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5668 * builtins.c (built_in_decls): New array.
5669 (expand_builtin_fputs): New function.
5670 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
5672 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
5674 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
5676 * tree.h (built_in_decls): New array.
5678 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
5680 * convex.md: Use "+" instead of "=" for outputs wrapped in a
5682 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
5684 2000-09-12 Kazu Hirata <kazu@hxi.com>
5686 * haifa-sched.c: Fix formatting.
5688 * genattrtab.c: Fix formatting.
5690 * unroll.c: Fix formatting.
5692 2000-09-12 Bruce Korb <bkorb@gnu.org>
5694 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
5695 remove obsolete code
5696 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
5697 * fixinc/fixincl.tpl: make non-exported arrays static scope
5698 * fixinc/fixincl.x: regenerate
5699 * fixinc/fixlib.h: Use PARAMS, not _P_
5700 * fixinc/fixtests.c: make a type for the test proc & use it
5701 * fixinc/server.h: Use PARAMS, not _P_
5703 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5705 * c-typeck.c (process_init_element): Avoid union init warnings on
5706 floating point zero. Don't crash on unions containing structs.
5708 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
5710 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
5711 general_movsrc_operand, and remove CONST_INT from
5712 general_movdst_operand.
5714 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5716 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
5717 if a reference to non-fixed hardreg is seen. Otherwise, count hard
5718 regs with a higher cost.
5719 (preferrable): Deal with cases where either cost or regcost is
5721 (cse_insn): Use MAX_COST rather than 10000. Always initialize
5723 (COSTS_N_INSNS): Move definition...
5725 (MAX_COST): New macro.
5726 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
5729 2000-09-11 Mark Mitchell <mark@codesourcery.com>
5731 * c-common.h (genrtl_clear_out_block): Remove.
5732 * c-semantics.c (genrtl_clear_out_block): Remove.
5733 (genrtl_while_stmt): Don't call it.
5734 (genrtl_for_stmt): Likewise.
5736 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5738 * cppfiles.c: Move all default-#defines to top of file.
5739 (open_include_file): Replace by lookup_include_file.
5740 (read_with_read, read_file): Merged into read_include_file.
5741 (stack_include_file, purge_cache): New functions.
5742 (close_cached_fd): Delete.
5743 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
5744 Cache the in-memory buffer, not the file descriptor.
5746 * cpphash.h (struct include_file): Add buffer, st, refcnt,
5748 (xcnew): New utility macro.
5749 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
5750 * cpplib.h (struct cpp_buffer): Remove mapped field.
5752 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
5754 * cpplex.c (parse_string): Accept backslash space newline as a
5756 (lex_line): Likewise.
5757 (_cpp_get_token): Remove hard limit on macro nesting.
5759 2000-09-12 Philipp Thomas <pthomas@suse.de>
5761 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
5762 * configure: Rebuilt.
5764 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5766 * flow.c (split_block): Fix update of registers live at
5769 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5771 * i386.md (add?i_3, add?i_5): New.
5772 (add?i_4): Rename from add?i_3; Fix compare pattern.
5773 (sub?i_3, xor?i_3, ior?i_3): New.
5775 * genrecog.c (write_tree): Output code to clear insn_extract cache.
5776 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
5777 instead of extract_insn and extract_constrain_insn_cache instead of
5778 extract_insn and constrain_operands.
5779 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
5781 (extract_insn): Clear which_alternative.
5782 (constrain_operands): Set which_alternative to -1 when failed.
5783 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
5786 2000-09-11 Matthew Hiller <hiller@redhat.com>
5788 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
5789 on operand 0 to '+'.
5790 (movstricthi): Likewise.
5792 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5794 * loop.h (LOOP_IVS): New macro.
5795 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
5796 (struct loop_ivs): New.
5797 (struct loop_info): Add ivs field.
5798 (reg_iv_type, reg_iv_info): Delete prototype.
5799 (reg_biv_class, loop_iv_list): Likewise.
5800 * loop.c (record_biv, find_life_end): Pass loop argument.
5801 (reg_iv_type): Remove global array and use
5802 field in loop_regs structure within loop_ivs structure.
5803 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
5804 (first_increment_giv, last_increment_giv): Use entry in
5806 (record_initial): Pass ivs pointer.
5807 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
5809 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5811 * loop.h (LOOP_REGS): New macro.
5812 (struct loop_regs): New.
5813 (struct loop_info): Add regs field.
5814 * loop.c (set_in_loop): Remove global array and store
5815 in loop_regs structure as part of loop_info structure.
5816 (n_times_set, may_not_optimize): Likewise.
5817 (reg_single_usage, moved_once): Likewise.
5818 (count_one_set): Add regs argument.
5819 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
5820 (set_pseudo_multiple_uses): Pass regs pointer.
5822 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5824 * unroll.c (iteration_info): Subsume into loop_iterations.
5825 * loop.h (loop_info): New field iv.
5827 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5829 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
5830 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
5831 (flow_loops_update): New prototype.
5832 (flow_loops_find): Add flags to prototype.
5833 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
5834 * flow.c (flow_loop_pre_header_scan): New.
5835 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
5836 (flow_loop_free): Free pre-header root and trace and exit dominators.
5837 (flow_loops_find): New argument flags.
5838 (flow_loops_update): New function.
5839 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
5841 2000-09-12 Michael Hayes <mhayes@cygnus.com>
5843 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
5844 * flow.c (split_block, update_bb_for_insn): New functions.
5846 2000-09-11 Richard Henderson <rth@cygnus.com>
5848 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
5850 2000-09-11 Richard Henderson <rth@cygnus.com>
5852 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
5853 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
5854 (ia64_override_options): Prevent optimizing division for both
5855 latency and throughput.
5856 (rtx_needs_barrier): Handle frcpa.
5857 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
5858 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
5859 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
5860 (TARGET_SWITCHES): Add -minline-divide-min-latency and
5861 -minline-divide-max-throughput.
5862 (PREDICATE_CODES): Update.
5863 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
5864 (zero_extendsidi2): Likewise. Fix typo in f case insn.
5865 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
5866 (extendsftf2): Likewise.
5867 (extenddftf2): Likewise.
5868 (fix_trunctfdi2_alts): New.
5869 (fixuns_trunctfdi2_alts): New.
5870 (madd*4): Rename from madd*3.
5871 (divsi3, modsi3, udivsi3, umodsi3): New.
5872 (divsi3_internal): New.
5873 (divdi3, moddi3, udivdi3, umoddi3): New.
5874 (divdi3_internal_lat, divdi3_internal_thr): New.
5875 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
5876 (recip_approx): New.
5878 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
5880 * print-rtl.c (debug_call_placeholder_verbose): New variable.
5881 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
5883 * integrate.c (copy_rtx_and_substitute): Don't share
5884 LEAF_REG_REMAPpable registers with the inlined function. Don't
5885 share the function value with calling sequences.
5887 2000-09-11 Jakub Jelinek <jakub@redhat.com>
5889 * c-decl.c (do_case): Fix a typo.
5891 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
5892 to a if the comparison is floating mode and not -ffast-math.
5893 * simplify-rtx.c (simplify_ternary_operation): Likewise.
5895 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5897 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
5898 gen_ic_invalidate_line.
5900 2000-09-11 Philip Blundell <pb@futuretv.com>
5902 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
5904 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
5906 * install.texi (LANGUAGES): Update to include new languages.
5909 2000-09-11 DJ Delorie <dj@redhat.com>
5911 * gcc.c (main): Don't warn about unused -B prefixes
5912 (unused_prefix_warnings): remove
5914 2000-09-11 Kazu Hirata <kazu@hxi.com>
5916 * final.c: Fix formatting.
5918 * integrate.c: Fix formatting.
5920 2000-09-11 Geoff Keating <geoffk@cygnus.com>
5922 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
5924 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
5926 * reload.c (regno_clobbered_p): Fix thinko in previous change.
5928 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5930 * gcc.1: Document 68hc11 specific options.
5932 2000-09-10 Geoff Keating <geoffk@cygnus.com>
5934 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
5935 (TARGET_LONG_DOUBLE_128): Define.
5936 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
5937 (LONG_DOUBLE_TYPE_SIZE): Redefine.
5938 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5939 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
5940 of __LONG_DOUBLE_128__.
5941 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
5943 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
5944 (CPP_SYSV_DEFAULT_SPEC): Define.
5945 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
5946 (INIT_TARGET_OPTABS): Define.
5948 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
5949 (RS6000_UITRUNC): Likewise.
5950 (INIT_TARGET_OPTABS): New macro.
5951 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
5952 (trunc_defined): Delete.
5953 (output_prolog): Don't output .extern definitions for fp->int
5954 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
5955 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
5956 (trunc_defined): Delete.
5957 (RS6000_ITRUNC): Moved to aix.h.
5958 (RS6000_UITRUNC): Likewise.
5959 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
5960 only emit a libcall.
5961 (fixuns_truncdfsi2): Delete.
5962 (trunc_call): Delete.
5963 (trunc_call_rtl): Delete.
5965 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5967 * varasm.c (make_decl_rtl): Restore leading star on
5968 DECL_ASSEMBLER_NAME set for decls with an asmspec.
5970 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5972 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
5973 won't give a spurious error for '#pragma pack()'. Simplify
5974 control flow for readability. 'reset' action is not necessary.
5976 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
5978 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
5979 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
5980 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
5981 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
5983 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
5984 profile.c, sdbout.c, tradcif.y, tree.c:
5985 Include defaults.h if not already included.
5986 Don't define the above macros.
5988 * Makefile.in: Update dependencies.
5990 2000-09-10 Mark Mitchell <mark@codesourcery.com>
5992 * c-common.h (add_stmt): Change prototype.
5993 (RECHAIN_STMTS): New macro.
5994 (CASE_LABEL_DECL): Likewise.
5995 (genrtl_case_label): Change prototype.
5996 (c_expand_start_case): Remove prototype.
5997 (build_case_label): Change prototype.
5998 (decl_constant_value): Declare.
5999 * c-common.c (check_case_value): Handle C++'s extensions to C
6001 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
6003 * c-parse.in (stmt): Adjust handling of return statements and case
6005 * c-semantics.c (add_stmt): Return the new statement.
6006 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
6007 returned expression. Directly generate RTL, rather than calling
6009 (genrtl_switch_stmt): Don't call c_expand_start_case.
6010 (build_case_label): Take the LABEL_DECL as input, too.
6011 (genrtl_case_label): Just call add_case_node.
6012 (expand_stmt): Adjust calls to genrtl_return_stmt and
6014 * c-tree.h (c_expand_start_case): Declare.
6015 * c-typeck.c (decl_constant_value): Give it external linkage.
6016 (c_expand_return): Don't call expand_return or expand_null_return;
6017 use genrtl_return_stmt instead.
6018 * stmt.c (struct nesting): Remove num_ranges field.
6019 (add_case_node): Give it external linkage.
6020 (expand_start_case): Don't set num_ranges.
6021 (expand_start_case_dummy): Don't clear it.
6022 (pushcase): Rely on add_case_node to handle `default' labels.
6023 (add_case_node): Handle `default' labels.
6024 * tree.c (tree_int_cst_compare): New function.
6025 * tree.h (tree_int_cst_compare): Declare.
6026 (add_case_node): Likewise.
6028 2000-09-10 Richard Henderson <rth@cygnus.com>
6030 * c-parse.in: Revert last change.
6031 (init_reswords): Do not enter disabled keywords into the ridpointers
6032 table, modulo objc weirdness.
6033 (_yylex): Return the canonical spelling for a keyword.
6035 2000-09-10 Philip Blundell <philb@gnu.org>
6037 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
6038 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
6040 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
6042 * alias.c (find_base_term): Handle ADDRESSOF.
6043 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
6045 2000-09-10 Denis Chertykov <denisc@overta.ru>
6047 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
6048 outputting templates with many lines.
6050 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6052 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
6053 to decide whether 64-bit support must be generated.
6055 2000-09-10 Richard Henderson <rth@cygnus.com>
6057 * c-parse.in (asm patterns): Fix volatile check.
6059 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6061 * cppmacro.c (check_trad_stringification): New function.
6062 (save_expansion): If -Wtraditional, warn about stringification of
6065 2000-09-11 Michael Hayes <mhayes@cygnus.com>
6067 * loop.h (struct loop_mem_info): Move from loop.c
6068 (struct loop_info): Add fields store_mems, mems, mems_idx,
6069 mems_allocated, unknown_address_altered,
6070 unknown_constant_address_altered, num_mem_sets, and
6071 first_loop_store_insn.
6073 * loop.c (loop_store_mems): Replace with field in loop_info struct.
6074 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
6075 (unknown_address_altered, unknown_constant_address_altered): Likewise.
6076 (num_mem_sets): Likewise.
6077 (replace_loop_mems, replace_loop_regs): New.
6078 (struct loop_replace_args): New.
6079 (load_mems): Use replace_loop_mems.
6080 (try_copy_prop): Use replace_loop_regs.
6081 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
6083 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6085 * configure.in: Recognize m6811-elf and m6812-elf.
6086 * configure: Regenerate.
6088 2000-09-09 Geoff Keating <geoffk@cygnus.com>
6090 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
6093 2000-09-10 Michael Hayes <mhayes@cygnus.com>
6095 * loop.c (struct movables): New.
6096 (num_movables): Move into struct movables.
6097 (the_movables): Change type to struct movables.
6098 (ignore_some_movables): Change struct movable arg to struct movables.
6099 (force_movables, combine_movables, regs_match_p): Likewise.
6100 (rtx_equal_for_loop_p, move_movables): Likewise.
6101 (scan_loop): Change movables to be of type struct movables.
6102 Replace last_movable with field in movables structure.
6104 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
6106 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
6107 (init_pragma): Avoid warning if pfile happens to be unused.
6108 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
6109 define init_pragma to nothing. Always prototype
6110 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
6112 * c-lex.c (process_directive): Always call dispatch_pragma.
6113 Initialize entering_c_header to 0.
6115 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6117 * config/m68hc11/m68hc11.md: New file, machine description for
6119 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
6120 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
6121 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
6122 * config/m68hc11/m68hc11-protos.h: New file.
6123 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
6124 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
6125 * config/m68hc11/xm-m68hc11.h: New file, target defs.
6126 * config/m68hc11/larith.asm: New file, libgcc routines.
6128 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6130 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
6131 (FPBIT_FUNCS): Add _usi_to_sf.
6132 * config/fp-bit.c (usi_to_float): New function.
6133 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
6134 (usi_to_float): Add appropriate #define.
6136 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6138 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
6140 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
6141 * i386.md (attr "type"): Add sse and mmx types.
6142 (attr "memory"): Handle them without a crash.
6143 (movsi_1, movdi_2): Allow MMX regs.
6144 (movdi splits): Don't split moves involving MMX regs.
6145 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
6146 (movv4sf_internal, movv4si_internal, movv8qi_internal,
6147 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
6148 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
6149 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
6150 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
6151 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
6152 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
6153 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
6154 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
6155 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
6156 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6157 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6158 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
6159 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
6160 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6161 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6162 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
6163 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
6164 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
6165 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
6166 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
6167 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6168 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6169 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
6170 mmx_clrdi): New patterns.
6172 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
6174 * arm.c: Don't include tm.h directly.
6176 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
6178 * recog.c (validate_replace_rtx_1): Fix confusion about equality
6179 testing; simplify subregs of constants and nested subregs.
6181 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
6183 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
6185 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6187 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
6189 * rtl.texi (description of USE): Add note about possible pitfalls
6191 From Richard Henderson:
6192 * reload1.c (choose_reload_regs): Compute need_mode properly.
6194 2000-09-07 Richard Henderson <rth@cygnus.com>
6196 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6197 (__modsi3, __umodsi3): Likewise.
6198 (__udivsi3): Likewise. Normalize the TFmode values.
6200 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6202 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6204 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6207 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6209 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
6210 (cmpeqdi_t): Add output pattern.
6211 (cmpeqdi_t+1): Don't split when not optimizing.
6212 Restore proper splitting operation.
6214 2000-09-07 Richard Henderson <rth@cygnus.com>
6216 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
6217 do not call dispatch_pragma.
6219 2000-09-07 Jim Wilson <wilson@cygnus.com>
6221 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
6222 to CLASS_CANNOT_CHANGE_MODE.
6223 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
6224 mode classes are different.
6226 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6228 * cpplib.h (struct cpp_options): Add user_label_prefix member,
6229 left out of commit which removed cppulp.c.
6231 2000-09-07 Richard Henderson <rth@cygnus.com>
6233 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
6234 after switch for CASE_DROPS_THROUGH.
6236 2000-09-07 Richard Henderson <rth@cygnus.com>
6238 * loop.c (strength_reduce): Call check_ext_dependant_givs.
6239 Properly extend the biv initial value for the giv.
6240 (record_biv): Zero ext_dependant.
6241 (record_giv): New argument ext_val. Update all callers.
6242 (general_induction_var): Likewise.
6243 (consec_sets_giv): Likewise.
6244 (simplify_giv_expr): Likewise. Fill in ext_val if we find
6245 a sign-extend, zero-extend, or truncate.
6246 (combine_givs_p): Make sure modes are compatible.
6247 (check_ext_dependant_givs): New.
6248 (extend_value_for_giv): New.
6249 * loop.h (struct induction): Add ext_dependant.
6250 * unroll.c (iteration_info): Extend the biv initial value for the giv.
6251 (find_splittable_givs): Likewise.
6252 (final_giv_value): Likewise.
6254 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6256 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
6257 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
6258 definitions from cpplib.h.
6259 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
6261 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
6262 documentation for REGISTER_TARGET_PRAGMAS.
6264 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
6265 default-pragma callback to implement -Wunknown-pragmas if
6267 * c-parse.in: Move all includes to top of file.
6268 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
6270 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
6272 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
6274 * arm.h, arm-protos.h, arm.c,
6275 c4x.h, c4x-protos.h, c4x.c,
6276 h8300.h, h8300-protos.h, h8300.c,
6277 i370.h, i370-protos.h, i370.c,
6278 i960.h, i960-protos.h, i960.c,
6279 sh.h, sh-protos.h, sh.c,
6280 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
6281 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
6283 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
6284 multiple include guard.
6285 * i370.md (untyped_call): Use GEN_CALL.
6286 (umodsi3): Remove unused variable.
6287 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
6288 * v850.c (output_move_single, output_move_double): Constify
6290 (print_operand): Constify a char *.
6291 * v850.h (struct small_memory_info): Constify name member.
6293 2000-09-07 Kazu Hirata <kazu@hxi.com>
6295 * config/h8300.h: Fix comment typos.
6296 * config/h8300/h8300.md: Likewise.
6297 * config/h8300/lib1funcs.asm: Likewise.
6299 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
6301 * Makefile.in: Remove references to cppulp.{c,o}.
6302 * cppinit.c (initialize_builtins, cpp_start_read,
6303 cpp_handle_option): Update to use cpp_options structure.
6306 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
6308 * c-common.c (time_char_table): Allow %#b and %#h.
6310 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6312 * reorg.c (find_end_label): If the basic block reorder pass moves the
6313 return insn to some other place try to locate it again and put our
6314 end_of_function_label there.
6315 * reorg.c (relax_delay_slots): Check if find_end_label created a
6316 new label that invalidates the current optimazation.
6318 2000-09-07 Catherine Moore <clm@redhat.com>
6320 * unroll.c (unroll_loop): Check for unconditional jumps
6321 to loop continuation. Delete if n_iterations is 1.
6322 (ujump_to_loop_cont): New routine.
6324 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
6326 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
6328 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
6329 to handle multiword modes correctly. All callers and the declaration
6332 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6334 * c-common.h (prep_stmt): Declare.
6335 (lang_expand_stmt): Likewise.
6336 * c-decl.c (lang_expand_stmt): Remove.
6337 * c-semantics.c (lang_expand_stmt): Define.
6338 (prep_stmt): New function.
6339 (expand_stmt): Handle common statement types here.
6341 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
6343 * configure.in (sh-*-linux*): Added.
6344 * configure: Rebuilt.
6345 * config/sh/t-linux: New file.
6346 * config/sh/sh.h (USERMODE_BIT): Define.
6347 (TARGET_USERMODE): Likewise.
6348 (TARGET_SWITCHES): New switches for the bits above.
6349 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
6350 * config/sh/linux.h: New file.
6351 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
6352 underscore on linux.
6353 (L_sdivsi3, L_udivsi3): Define for linux.
6354 (L_ic_invalidate): Define.
6355 * invoke.texi (SH Options): Document -musermode.
6357 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
6359 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
6360 CSE unless generating PIC.
6362 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
6365 2000-09-06 H.J. Lu (hjl@gnu.org)
6367 * Makefile.in (clean_s1): Depend on stage_b.
6368 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
6369 stage2. They are used for "make compare".
6371 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6373 Move statement-tree facilities from C++ to C front-end.
6374 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
6375 (void_zero_node): New macro.
6376 (struct stmt_tree_s): New type.
6377 (stmt_tree): New typedef.
6378 (struct language_function): New type.
6379 (last_tree): New macro.
6380 (last_expr_type): Likewise.
6381 (walk_tree_fn): New typedef.
6382 (current_stmt_tree): New function.
6383 (begin_stmt_tree): Likewise.
6384 (add_stmt): Likewise.
6385 (finish_stmt_tree): Likewise.
6386 (statement_code_p): Likewise.
6387 (lang_statement_code_p): New variable.
6388 (walk_stmt_tree): New function.
6389 (STMT_IS_FULL_EXPR_P): New macro.
6390 * c-common.c (lang_statement_code_p): New variable.
6391 (c_common_nodes_and_builtins): Initialize void_zero_node.
6392 (statement_code_p): New function.
6393 (walk_stmt_tree): Likewise.
6394 * c-decl.c (language_function): Rename to ...
6395 (c_language_function): ... this. Include language_function.
6396 (push_c_function_context): Adjust accordingly.
6397 (pop_c_function_context): Likewise.
6398 (mark_c_function_context): Likewise.
6399 (current_stmt_tree): Define.
6400 * c-semantics.c (begin_stmt_tree): New function.
6401 (add_stmt): Likewise.
6402 (prune_unused_decls): Likewise.
6403 (finish_stmt_tree): Likewise.
6405 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6407 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
6409 2000-09-06 Kazu Hirata <kazu@hxi.com>
6411 * calls.c: Fix formatting.
6413 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
6415 * config/i386/i386.h (ADDRESS_COST): Fix typo.
6417 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6419 Integrated preprocessor.
6421 * Makefile.in: Remove all references to c-parse.gperf,
6422 c-gperf.h, and c-parse.h. Remove -d from yacc command line
6423 generating c-parse.c. Update dependencies.
6424 * c-parse.gperf, c-gperf.h: Delete.
6426 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
6427 yy_lim, or yy_get_token. Don't define get_directive_line if
6429 * c-common.h: Add multiple include guard. Define RID values
6430 for every keyword in C, C++, and Objective C. Put all the
6432 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
6433 * c-decl.c (c_decode_option): Handle -lang-objc here.
6434 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
6435 (grokdeclarator): Adjust for new RID scheme.
6436 (extract_interface_info): New stub.
6437 * c-lang.c: Don't declare yy_cur or parse_options.
6438 (lang_init_options): Call cpp_init. Don't call
6440 (lang_init): Don't call check_newline if USE_CPPLIB.
6442 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
6443 Elide lots of unnecessary code if USE_CPPLIB. Delete code
6444 rendered unnecessary by new architecture. Move routines not
6445 shared with C++ to c-parse.in. Maintain a local idea of the
6446 line number. Handle C++ as well as C.
6447 [USE_CPPLIB]: Declare and register callbacks for #ident and
6448 for entering/leaving files.
6449 (init_c_lex, c_lex): Are now the entry points to this file.
6450 (check_newline): Break out directive handling to
6452 (read_ucs, is_extended_char, utf8_extend_token): Moved here
6454 (readescape, parse_float): Overhaul.
6455 (lex_number, lex_string, lex_charconst): Break out of c_lex
6457 (get_fileinfo, update_header_times, dump_one_header,
6458 dump_time_statistics): New and/or moved here from C++.
6459 Support per-file data needed by C++ and per-header timing
6460 statistics (C++ only, at the moment).
6461 * c-lex.h: Update prototypes. Add multiple include guard.
6462 * c-tree.h (struct lang_identifier): Add rid_code field.
6463 (C_IS_RESERVED_WORD, C_RID_CODE): New.
6465 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
6466 reinit_parse_for_function and/or position_after_white_space.
6467 (save_filename, save_lineno): Look ahead before saving.
6468 (label -> identifier ':'): Save file and line before shifting ':'.
6469 (reservedwords): No need to call get_identifier.
6470 (init_parse, finish_parse, yyerror, yylex, yyprint,
6471 make_pointer_declarator): Are now here for C/ObjC.
6472 (rid_to_yy): Conversion table from RID constants to Yacc codes.
6474 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
6475 #pragma registry. Provide dummy implementation of that
6476 interface if !USE_CPPLIB.
6477 * c-pragma.h: Update to match.
6479 * flags.h: Add multiple include guard.
6480 (flag_detailed_statistics): Moved here from C++.
6481 * toplev.c: Define flag_detailed_statistics.
6483 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
6485 * timevar.def (TV_CPP, TV_LEX): New.
6486 * timevar.h: Add multiple include guard.
6488 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
6490 * objc/objc-act.c: Don't mention yy_cur or parse_options.
6491 Initialize cpplib properly. Force lineno to 0 after first
6492 call to check_newline. Don't handle -lang-objc here.
6493 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
6495 2000-09-06 David Edelsohn <edelsohn@gnu.org>
6497 * rs6000.md: Correct function unit definitions for cr_logical and
6499 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
6500 and use portable method for >=0 and floating point >=. Remove
6501 associated matchers.
6503 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6505 * extend.texi: Mark named return value extension as deprecated.
6507 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6509 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
6512 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
6514 * toplev.c (display_help): Fix thinko in documentation.
6516 * diagnostic.h (output_buffer::indent_skip): New fields.
6517 (output_indentation): New macro.
6519 * diagnostic.c (output_indent): New function.
6520 (output_set_prefix, clear_diagnostic_info): Use.
6521 (output_emit_prefix): Predict future indentation.
6523 2000-09-06 DJ Delorie <dj@redhat.com>
6525 * Makefile.in (stage_*): add more dependencies to ensure parallel
6526 builds build correctly
6528 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
6530 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
6531 not bootstrap-lean_f.
6533 2000-09-06 Andreas Schwab <schwab@suse.de>
6535 * mklibgcc.in: Emit rule for libgcc-stage-start.
6536 * Makefile.in (stage1-start, stage2-start, stage3-start,
6537 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
6539 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
6541 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
6542 (update_equiv_regs): Likewise, except for the mn10200 kludge.
6543 (combine_regs): Likewise.
6545 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
6546 * cse.c: Include "basic-block.h".
6547 (struct table_elt): New field REGCOST.
6548 (CHEAP_REG): Delete macro.
6549 (COST): Return 0 for REGs.
6550 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
6551 (notreg_cost): Return 0 for appropriate SUBREGs.
6552 (COSTS_N_INSNS): Return N * 2.
6553 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
6555 (CHEAPER): Use new function preferrable.
6556 (insert): Initialize REGCOST member.
6557 (find_best_addr): Use approx_reg_cost for estimation of register
6559 (cse_insn): Likewise.
6560 * loop.c (iv_add_mult_cost): New function.
6561 (add_cost, shift_cost, mult_cost): Delete variables.
6562 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
6563 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
6564 Make code that detects autoinc opportunities slightly less optimistic.
6565 (simplify_giv_expr): If expression contains other reg that is also a
6566 giv, only increment benefit if this is the only use of that reg.
6567 (consec_sets_giv): Take that change into account.
6568 (combine_givs): Slightly more verbose output.
6570 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
6571 not the cost of an equivalent shift.
6572 * sh-protos.h (addsubcosts): Declare.
6573 * sh.c (addsubcosts): New function.
6574 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
6575 (RTX_COSTS): Tweak. Use addsubcosts.
6576 (ADDRESS_COST): Return higher cost for reg+reg addressing.
6578 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6580 * config/rs6000/rs6000.c (validate_condition_mode): New function.
6581 (branch_comparison_operator): Call validate_condition_mode to
6582 abort rather than returning 0.
6583 (branch_positive_comparison_operator): New function.
6584 (scc_comparison_operator): Call validate_condition_mode to abort
6585 rather than returning 0.
6586 (ccr_bit): Call validate_condition_mode. Update for
6588 (print_operand): Delete %C modifier. Update %E case
6589 to use EQ bit not SO bit.
6590 (rs6000_reverse_condition): New function.
6591 (rs6000_generate_compare): New function.
6592 (rs6000_emit_sCOND): New function.
6593 (rs6000_emit_cbranch): New function.
6594 (output_cbranch): The length of a long branch insn is
6595 now only 8 bytes. Add validate_condition_mode. Use
6596 rs6000_reverse_condition. Remove cror generation.
6598 * config/rs6000/rs6000.h: Update comments.
6599 (PREDICATE_CODES): Add new predicate. Update codes used
6600 by branch_comparison_operator and scc_comparison_operator.
6601 * config/rs6000/rs6000-protos.h: Add prototypes for
6602 new external functions.
6603 * config/rs6000/rs6000.md: Add new scheduling parameters
6604 for cr_logical instructions. Change length of branch
6606 (bCOND patterns): Call rs6000_emit_cbranch.
6607 (sCOND patterns): Call rs6000_emit_sCOND.
6608 (branch patterns): Change lengths to 4.
6609 (cr logical patterns): New.
6611 2000-09-06 Richard Henderson <rth@cygnus.com>
6613 * config/i386/i386.md (call_pop): Fix test for setting
6614 current_function_uses_pic_offset_table.
6615 (call, call_value_pop, call_value): Likewise.
6617 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6619 * timevar.c (timevar_add): Delete.
6620 (timevar_get): Also count time since the selected timer was
6621 last updated. Do not examine the timevar stack if the
6622 selected timer is standalone.
6624 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6626 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
6628 2000-09-05 Jason Merrill <jason@redhat.com>
6630 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
6631 for 'extern' arrays.
6633 2000-09-05 Richard Henderson <rth@cygnus.com>
6635 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
6636 Eliminate final copy from non-trapping case.
6637 (__divdf3, __divsf3): Likewise.
6639 2000-09-05 Richard Henderson <rth@cygnus.com>
6641 * config/ia64/ia64.md (mulhi3): Fix typo last change.
6642 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
6644 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
6646 * Makefile.in: Restructure bootstrap stages to allow clean
6647 restart after failure.
6649 2000-09-05 Richard Henderson <rth@cygnus.com>
6651 * config/ia64.md (movsi and movdi patterns): Allow moves from
6652 8-bit constants to AR registers.
6654 2000-09-05 Richard Henderson <rth@cygnus.com>
6656 * config/ia64/ia64.md (mulhi3): New.
6658 2000-09-05 Richard Henderson <rth@cygnus.com>
6660 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
6661 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
6662 Optimization Guide, minimum latency alternative.
6663 (__moddi3, __udivdi3, __umoddi3): Likewise.
6664 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
6666 2000-09-05 Bruce Korb <bkorb@gnu.org>
6668 * fixinc/fixincl.c (load_file): always read header files
6669 with sizes that are a multiple of the page size.
6670 & use libiberty's getpagesize for determining that.
6672 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
6674 * gcse.c (hash_string_1): Add prototype.
6675 * cse.c (canon_hash_string): Likewise.
6677 2000-09-04 Craig Newell <CraigN@ieee.org>
6679 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
6681 2000-09-04 Andreas Schwab <schwab@suse.de>
6683 * Makefile.in (STAGESTUFF): Remove libgcc.
6684 (stage1-start, stage2-start, stage3-start): Copy the contents of
6685 the libgcc directory explicitly.
6686 (mostlyclean): Clean libgcc.
6688 2000-09-04 Andrew Haley <aph@redhat.com>
6690 * dwarf2out.c: (stack_adjust_offset): New prototype.
6692 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
6694 * combine.c (make_extraction): Fix rtx_cost comparison to
6697 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
6699 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
6700 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
6701 Add '*' to insn pattern name.
6703 2000-09-04 Jakub Jelinek <jakub@redhat.com>
6705 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
6706 use posn - 1 to index into tokens array.
6707 (maybe_paste_with_next): Adjust caller.
6709 2000-09-03 Geoff Keating <geoffk@cygnus.com>
6711 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
6713 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
6714 (REGNO_REG_CLASS): Use symbolic register
6717 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
6719 * arm.c (final_prescan_insn): If the form of a jump insn isn't
6720 recognized, don't try to conditionally execute it.
6722 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
6724 * config/avr/avr.md ("*tablejump_lib"): New pattern.
6725 (call_value_insn): Right length claculation.
6726 (call_insn): Likewise.
6728 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
6730 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
6731 gas_output_limited_string, gas_output_ascii, output_movqi,
6732 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
6733 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
6734 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
6735 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
6736 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
6737 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
6738 Add "const" as needed to remove warnings.
6740 * config/avr/avr.c (avr_override_options, avr_init_once,
6741 function_prologue, function_epilogue, frame_pointer_required_p,
6742 class_likely_spilled_p, order_regs_for_local_alloc,
6743 avr_address_cost, avr_ret_register): Use K&R style arguments.
6744 (initial_elimination_offset, gas_output_limited_string):
6745 Remove ATTRIBUTE_UNUSED from the used arguments.
6746 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
6747 Use local variables src, dest, base to access operands[].
6748 Rename reg_dest to reg_src if that's what it is.
6749 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
6750 constants to LD_REGS if reg_was_0.
6751 (output_reload_insisf): Change arg 3 to insn length and set it.
6752 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
6753 access to 16-bit I/O register pairs.
6754 (avr_address_cost): Lower cost for the above case.
6755 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
6756 may be clobbered, also for LD_REGS.
6757 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
6760 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
6762 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
6763 macro to test_hard_reg_class function.
6764 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
6765 for loading immediate constants to LD_REGS.
6766 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
6769 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
6771 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
6772 * config/avr/libgcc.S: Lost part of the previous patch.
6774 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6776 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
6777 object before calling pthread_mutex_init.
6779 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
6781 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
6782 config/sh/crtn.asm: New files.
6783 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
6784 (crt1.o, crti.o, crtn.o): New targets.
6785 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
6787 * configure: Rebuilt.
6788 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6789 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
6790 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6791 Undefine for config/elfos.h to redefine.
6792 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
6794 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6796 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
6797 legitimize_pic_address, output_pic_addr_const): Declare.
6798 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
6799 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
6800 (TARGET_SWITCHES): New switch -mprefergot.
6801 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
6802 (PIC_OFFSET_TABLE_REGNUM): Define.
6803 (GOT_SYMBOL_TABLE): Likewise.
6804 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
6805 (ENCODE_SECTION_INFO): Define.
6806 (FINALIZE_PIC): New macros.
6807 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
6808 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
6809 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
6810 (prepare_move_operands): Call emit_pic_move or
6811 emit_pic_const_move if appropriate.
6812 (output_far_jump): For PIC, use braf and output long offset.
6813 (machine_dependent_reorg):
6814 (sh_expand_prologue): Save and initialize the PIC register.
6815 (sh_expand_epilogue): Restore it.
6816 (initial_elimination_offset): Account for it.
6817 (nonpic_symbol_mentioned_p): New function.
6818 (legitimize_pic_address): Likewise.
6819 (output_pic_addr_const): Likewise.
6820 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
6821 (call, call_value): Use them.
6822 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
6823 symPLT_label2reg): New expands.
6824 * invoke.texi (SH Options): Document -mprefergot.
6826 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
6828 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
6829 * gcse.c (hash_string_1): New function.
6830 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
6831 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
6832 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
6833 (canon_hash_string): New function.
6834 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
6835 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
6836 (fold_rtx): Use ASM_OPERANDS accessor macros.
6837 * emit-rtl.c (copy_insn_1): Likewise.
6838 * integrate.c (copy_rtx_and_substitute): Likewise.
6839 * stmt.c (expand_asm_operands): Likewise. Give an
6840 ASM_OPERANDS rtx the mode of the output reg being set from it.
6842 2000-09-01 Fred Fish <fnf@be.com>
6844 * fix-header.c (write_rbrac): Add putc and getc to list of
6845 functions to protect against prior definition as a macro.
6847 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
6849 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
6850 (c_size_type_node): Define.
6851 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
6852 * c-common.c (enum format_lengths, enum format_std_version,
6853 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
6854 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
6855 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
6856 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
6857 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
6858 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
6859 format_types): Define.
6860 (format_char_info, print_char_table, scan_char_table,
6861 time_char_table): Rearrange for new organization of information
6862 about format length modifiers and standard versions.
6863 (T_ST): Redefine to use c_size_type_node.
6864 (check_format_info): Obtain information about length modifiers and
6865 standard versions from tables. Adjust warning message wordings.
6866 Use the name from the user's program for `ll' and `hh' length
6867 modifiers in warning messages. Use more informative names for
6868 wanted types where available (for wchar_t, wint_t, size_t, signed
6869 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
6871 2000-09-01 Jim Wilson <wilson@cygnus.com>
6873 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
6874 * combine.c (distribute_notes): Handle REG_NORETURN.
6875 * rtl.c (reg_note_name): Add REG_NORETURN.
6876 * rtl.h (enum reg_note): Likewise.
6878 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
6880 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
6881 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
6882 (emit_predicate_relation_info): Handle conditional calls with
6884 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
6885 instead of ia64_file_start.
6886 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
6887 * config/ia64/ia64.md (safe_across_calls_all,
6888 save_across_calls_normal): New patterns.
6890 * loop.c (check_final_value): Check for biv use before checking for
6891 giv use. Check for both biv and giv uses. Always set last_giv_use
6892 if there is a giv use.
6894 2000-09-01 Richard Henderson <rth@cygnus.com>
6896 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
6897 (madddi3): Likewise.
6900 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6902 * expr.c (clear_storage): Don't use emit_move_insn unless
6903 either BLKmode or proper size.
6904 (store_constructor): Don't call clear_storage if REG of wrong size.
6906 * flow.c (init_propagate_block_info): Don't mark frame dead at end
6907 of function if returns wiht stack pointer depressed.
6909 2000-09-01 Andrew Haley <aph@redhat.com>
6911 * dwarf2out.c (stack_adjust_offset): New function.
6912 (dwarf2out_stack_adjust): Break out stack adjust logic into
6913 new stack_adjust_offset function. Look inside parallels and
6914 sequences for stack adjustments.
6916 2000-08-31 Jeff Law <law@cygnus.com>
6918 * arm.md: Use no_new_pseudos to determine when it is safe
6919 to create new pseudo registers.
6921 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
6922 when we can safely allocate new registers.
6924 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
6926 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
6927 so that CONCATs are not generated for ASMs.
6928 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
6929 not generating_concat_p.
6930 * function.c (pop_function_context_from): Reset
6931 generating_concat_p.
6932 (prepare_function_start): Likewise.
6933 * rtl.c (generating_concat_p): Define.
6934 * rtl.h (generating_concat_p): Declare.
6935 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
6937 2000-08-22 Philipp Thomas <pthomas@suse.de>
6938 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
6940 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
6943 2000-08-30 Greg McGary <greg@mcgary.org>
6945 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
6946 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
6947 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
6949 2000-08-30 Greg McGary <greg@mcgary.org>
6951 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
6952 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
6953 (TREE_INT_CST): New macro.
6954 * varasm.c (const_hash, compare_constant_1, record_constant_1):
6955 Use new macro TREE_INT_CST.
6957 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
6959 * contrib.texi: Add self.
6961 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
6963 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
6964 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
6967 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6969 * fixinc/gnu-regex.c: Don't define `const'.
6971 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6973 * expr.c (store_constructor): Allow variable bounds of array type.
6974 (expand_expr): Don't blow up if type is ERROR_MARK.
6975 * varasm.c (output_constructor): Don't access lower bound of array
6976 type unless need it if index is supplied (so it can be a variable
6977 if no index is supplied).
6978 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
6979 Other minor cleanups.
6981 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6983 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
6984 for compilations in stage 1 and subsequent stages, respectively.
6985 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
6986 * configure: Rebuilt.
6987 * x-vax, x-vax-gcc: Deleted.
6989 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
6991 * c-common.c (declare_function_name): Use func_id_node,
6992 function_id_node, and pretty_function_id_node. Do not make
6993 __func__ visible at file scope.
6994 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
6995 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
6996 (function_id_node, pretty_function_id_node, func_id_node): New
6998 * c-decl.c (init_decl_processing): Initialize function_id_node,
6999 pretty_function_id_node, and func_id_node.
7000 (c_make_fname_decl): Correct comment.
7002 * tree.h (struct tree_identifier): Constify pointer member.
7004 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
7005 * c-pragma.h (struct weak_syms): Constify name and value members.
7006 (add_weak): Constify arguments.
7008 * calls.c (special_function_p): Constify a char *.
7009 (expand_call): Remove variable which is initialized and then
7011 * dependence.c (struct def_use, struct induction, struct subscript):
7012 Constify 'variable' member.
7013 (get_low_bound, have_induction_variable): Constify char * argument.
7014 (find_induction_variable): Add braces to avoid dangling else.
7015 (classify_dependence): Constify char * arrays.
7016 * profile.c (output_func_start_profiler): Constify a char *.
7017 * stor-layout.c (finalize_record_size): Constify a char *.
7018 * tree.c (is_attribute_p): Constify a char *.
7019 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
7021 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
7022 for comprehensibility. Do not call get_identifier if we did
7023 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
7024 create temporary string constants, not ggc_alloc_string. No
7025 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
7026 char * to hold IDENTIFIER_POINTERs.
7028 2000-08-29 Richard Henderson <rth@cygnus.com>
7030 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
7033 2000-08-29 Richard Henderson <rth@cygnus.com>
7035 * reload.c (push_secondary_reload): Allow class == reload_class
7036 if we're using a reload_in/out pattern.
7038 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
7039 the half that does not conflict with the reload register.
7040 (reload_outti): Likewise.
7042 2000-08-29 Kazu Hirata <kazu@hxi.com>
7044 * reload.c: Fix formatting.
7046 * stmt.c: Fix formatting.
7048 * gcc.c: Fix formatting.
7050 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7052 * flags.h (time_report, mem_report): New global flags.
7053 * toplev.c: Define time_report and mem_report.
7054 (f_options): Add -ftime-report and -fmem-report.
7055 (compile_file): Turn on time_report if quiet_flag is off.
7056 Call ggc_print_statistics at very end if mem_report is on.
7057 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
7059 * ggc-common.c (ggc_print_statistics): Rename to
7060 ggc_print_common_statistics; all callers changed. Scale
7061 quantities above 10K to kilobytes and above 10M to megabytes.
7062 * ggc-page.c (ggc_page_print_statistics): Rename to
7063 ggc_print_statistics. Report memory consumed by internal data
7064 structures for each allocation bucket. Scale quantities above
7065 10K to kilobytes and above 10M to megabytes.
7066 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
7067 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
7068 Define tally_leaves always.
7069 (ggc_print_statistics): New function.
7070 * ggc.h: Adjust for renamed functions.
7072 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
7074 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
7075 output_movsisf instead of which_alternative.
7077 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
7079 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
7081 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
7082 (avr_progmem_p): New prototype.
7083 (output_movsisf): Prototype declaration changed.
7084 (output_movqi): New prototype.
7085 (output_movhi): New prototype.
7086 (call_insn_operand): Likewise.
7087 (final_prescan_insn): Likewise.
7088 (avr_simplify_comparision_p): Likewise.
7089 (avr_normalize_condition): Likewise.
7090 (compare_eq_p): Likewise.
7091 (out_shift_with_cnt): Likewise.
7092 (const_int_pow2_p): Likewise.
7093 (output_reload_inhi): Prototype declaration changed.
7095 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
7096 (ldi_reg_rtx): New. rtx for r31.
7097 (avr_init_stack): Initialize as "__stack".
7098 (function_prologue): Use it.
7099 Replace all TARGET_ENHANCED with AVR_ENHANCED.
7100 (avr_mcu_name): Initialize as "avr2".
7101 (avr_enhanced_p, avr_mega_p): New variables.
7102 (mcu_types, avr_override_options): Handle all known MCU types.
7103 Also handle avr1 (only preprocess, assemble and link).
7104 (print_operand): Using of `%K' in output template removed.
7105 (out_movqi_r_mr): Optimized.
7106 (out_movhi_r_mr): Likewise.
7107 (output_movqi): New function.
7108 (output_movhi): Likewise.
7109 (out_movsi_r_mr): Optimized.
7110 (output_movsisf): Compute insn length for `adjust_insn_length'
7111 (out_movqi_mr_r): Optimized.
7112 (out_movhi_mr_r): Optimized.
7113 (adjust_insn_length): Use output_movsisf, output_movqi,
7114 output_movhi for insn length adjusting.
7115 (reg_unused_after): Use dead_or_set_p.
7116 (preferred_reload_class): Now havn't any restriction.
7117 (reg_was_0): New function.
7118 (io_address_p): Likewise.
7119 (const_int_pow2_p): Likewise.
7120 (output_reload_inhi): Likewise.
7121 (output_reload_insisf): Likewise.
7123 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
7124 (LIB_SPEC): Use -lc for all supported devices.
7125 (LIBGCC_SPEC): Use -lgcc for all supported devices.
7126 (AVR_MEGA): Define as avr_mega_p.
7127 (AVR_ENHANCED): New, define as avr_enhanced_p.
7128 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
7129 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
7130 (CRT_BINUTILS_SPECS): Handle all known MCU types.
7131 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
7132 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
7133 (ASM_SPEC): Pass -mmcu=... to the assembler.
7134 Change all -DAVR_* to -D__AVR_*__.
7135 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
7136 Rename library functions to start with two underscores.
7137 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
7139 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
7140 (SUPPORTS_WEAK): Likewise.
7141 (LDI_REG_REGNO): New. Register r31 will be used as temporary
7142 register for loading constants to r0-r14.
7144 * config/avr/avr.md: Replace all TARGET_ENHANCED with
7146 (*mov_r_sp): Removed. Handled by output_movhi.
7147 (*mov_sp_r): Likewise.
7148 (*mov_sp_r_no_interrupts): Likewise
7149 (*mov_sp_r_tiny): Likewise.
7150 (*movqi): Use output_movqi.
7151 (*reload_inqi): New.
7152 (*movhi): Use output_movhi.
7153 (*reload_inhi): New.
7154 (*negsi2): Optimized.
7155 (*negsf2): Likewise.
7156 Added peepholes (define_peephole2) for loading constants to r0-r14
7157 and for using `cpse' command.
7159 * config/avr/libgcc.S: Rename library functions to start with two
7161 Add support for enhanced core.
7162 (_moqhi3): Fix typo, now _modqi3.
7163 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
7164 (__prologue_saves__): Remove test for stack adjust by 0.
7165 (__tablejump__): New.
7167 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
7168 Add multilib support.
7170 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
7172 * loop.c (prescan_loop): Don't check unknown_address_altered
7173 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
7174 to loop_store_mems as necessary.
7175 (loop_invariant_p): Don't check unknown_address_altered
7176 or unknown_constant_address_altered.
7178 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7180 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
7182 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7184 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
7185 print just the filename.
7186 * cpplex.c (_cpp_run_directive): Add additional argument, the
7187 name to give the synthetic buffer. This defaults to
7188 translated "<command line>".
7189 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7191 (_cpp_define_builtin): New function.
7192 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7193 * cpphash.h: Update prototypes.
7195 * tradcpp.c (main): Process -D and -U simultaneously, in the
7196 order they appeared on the command line.
7198 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7200 * c-decl.c (define_label): Call warning_with_file_and_line and
7201 error_with_file_and_line instead of plain warning or error.
7203 * c-parse.in (label): Use save_filename/save_lineno to ensure
7204 correct values for calls to define_label.
7206 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7208 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
7210 * expr.c (expand_expr, case TARGET_EXPR): Don't call
7212 * tree.h (get_file_function_name): Remove two duplicate
7215 2000-08-28 Kazu Hirata <kazu@hxi.com>
7217 * tree.c: Fix formatting.
7219 * xcoffout.c: Fix formatting.
7221 2000-08-28 Jason Merrill <jason@redhat.com>
7223 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
7225 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7227 * dwarf2out.c (dwarf2out_finish): Don't bother calling
7228 break_out_includes if it won't do anything.
7230 2000-08-28 Richard Henderson <rth@cygnus.com>
7232 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
7233 (find_reloads): Likewise.
7234 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
7235 (reload_inhi): Likewise.
7237 2000-08-28 Richard Henderson <rth@cygnus.com>
7239 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
7240 (call_insn_operand): Don't expect a surrounding mem.
7241 (constant_call_address_operand): Likewise.
7242 * config/i386/i386.h (PREDICATE_CODES): Update.
7243 * config/i386/i386.md (call patterns): Move the match_operand
7244 for the call destination inside the mem.
7246 2000-08-28 Richard Henderson <rth@cygnus.com>
7248 * local-alloc.c (requires_inout): Don't use reserved range for
7249 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
7250 * recog.c (asm_operand_ok): Likewise.
7251 (preprocess_constraints, constrain_operands): Likewise.
7252 * regclass.c (record_reg_classes): Likewise.
7253 * reload.c (find_reloads): Likewise.
7254 * reload1.c (maybe_fix_stack_asms): Likewise.
7255 (reload_cse_simplify_operands): Likewise.
7256 * stmt.c (expand_asm_operands): Likewise.
7258 * md.texi: Update constraints documentation.
7259 * tm.texi (EXTRA_CONSTRAINT): Update.
7261 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7263 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
7264 (print_die): If we don't know the offset of the
7265 target die, try the symbol. Add a trailing newline.
7266 (reverse_all_dies): New fn.
7267 (dwarf2out_finish): Call it.
7268 (break_out_includes): Reorganize for clarity.
7269 (add_sibling_attributes): Don't call reverse_die_lists.
7270 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
7272 * flags.h: Add flag_eliminate_dwarf2_dups.
7273 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
7275 2000-08-28 Jason Merrill <jason@redhat.com>
7277 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
7278 * dwarf2out.c: #include "md5.h".
7279 (DIE_LABEL_PREFIX): New macro.
7280 (dw_val_struct): Add 'external' flag to val_die_ref.
7281 (add_AT_die_ref, AT_ref): Adjust.
7282 (AT_ref_external, set_AT_ref_external): New fns.
7283 (build_abbrev_table): Call set_AT_ref_external.
7284 (value_format): Call AT_ref_external.
7285 (die_struct): Add die_symbol field.
7286 (new_die): Clear it.
7287 (dwarf_tag_name): Handle BINCL/EINCL.
7288 (dwarf2out_start_source_file): Add BINCL DIE.
7289 (dwarf2out_end_source_file): Add EINCL DIE.
7290 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
7291 (loc_checksum, attr_checksum, die_checksum): New fns.
7292 (is_type_die, is_comdat_die, is_symbol_die): New fns.
7293 (compute_section_prefix, assign_symbol_names): New fns.
7294 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
7295 (output_die): Call output_die_symbol and AT_ref_external.
7296 (output_comdat_comp_unit): New fn, split out from...
7297 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
7299 (output_pubnames, output_aranges): Abort if we see entries from
7301 * toplev.h: Declare file_name_nondirectory.
7302 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
7303 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
7304 (debug_start_source_file): Call dwarf2out_start_source_file
7305 regardless of debug verbosity.
7306 (debug_end_source_file): Similarly.
7307 * tree.h: Declare clean_symbol_name.
7308 * tree.c (clean_symbol_name): Split out from...
7309 (get_file_function_name_long): ...here.
7311 * dwarf2out.c (new_loc_descr): Use calloc.
7312 (splice_child_die): Remove the die from the right parent.
7313 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
7315 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7317 * toplev.c (decode_g_option): Don't give warning for unknown -g
7318 option; return 0 instead.
7319 (main): If -g option is not recognized by front end or
7320 language-independent code, give warning.
7322 2000-08-28 Greg McGary <greg@mcgary.org>
7324 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
7325 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
7326 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
7328 2000-08-27 Greg McGary <greg@mcgary.org>
7330 * cpplex.c (parse_string): Don't look for backslash
7331 before first char in `namebuf'.
7332 * loop.c (strength_reduce): Skip NOTEs.
7334 2000-08-27 Jason Merrill <jason@redhat.com>
7336 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
7337 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
7338 TREE_ASM_WRITTEN, either.
7339 (finish_decl): Adjust.
7341 2000-08-28 Philipp Thomas <pthomas@suse.de>
7343 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
7344 they have been incorporated into the gettext CVS. Change the text to
7345 reflect the current status of NLS. Add instructions for accessing
7346 the gettext CVS and add the patch from Martin v. Loewis.
7348 2000-08-27 Geoff Keating <geoffk@cygnus.com>
7350 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
7351 by using gen_lowpart_common.
7352 (movdi_internal64+6): Likewise.
7354 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
7356 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
7359 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
7360 numbers to the ranges used by GDB.
7362 2000-08-25 Richard Henderson <rth@cygnus.com>
7364 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
7365 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
7366 (ia64_expand_prologue): Likewise.
7367 (ia64_setup_incoming_varargs): Set it. Properly skip the current
7368 argument for stdargs.
7370 2000-08-25 Jason Merrill <jason@redhat.com>
7372 * integrate.c (expand_inline_function): Pull out the original decl.
7374 2000-08-25 Jim Wilson <wilson@cygnus.com>
7376 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
7378 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
7380 2000-08-25 Greg McGary <greg@mcgary.org>
7382 * flow.c (dump_edge_info): Use ARRAY_SIZE.
7383 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
7385 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
7387 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
7389 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
7391 * i386.c (ix86_find_base_term): New.
7392 * i386-protos.h (ix86_find_base_term): Prototype.
7393 * i386.h (FIND_BASE_TERM): Define.
7394 * alias.c (find_base_term): Use it.
7395 * tm.texi (FIND_BASE_TERM): Document it.
7397 * alias.c (true_dependence, write_dependence_p): Unchanging
7398 memory can't conflict with non-unchanging memory.
7400 * alias.c (memrefs_conflict_p): A BLKmode reference
7401 to a symbol (or CONST_INT address) always conflicts
7402 with a reference to another symbol.
7404 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
7406 * c-common.c (time_char_table): Don't allow width and flags with
7409 2000-08-25 Jakub Jelinek <jakub@redhat.com>
7411 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
7412 way as LT and LTU when the second operand has 0 in low word.
7414 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7416 * basic-block.h (struct loop): Rename `exits' field to
7417 `exit_edges'. Add `entry_edges' and `num_entries' fields.
7419 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
7420 (flow_loop_entry_edges_find): Add.
7421 (flow_edge_list_print): Rename from flow_exits_print.
7422 (flow_loops_find): Call flow_loop_entry_edges_find.
7423 (flow_loop_dump): Dump entry_edges list.
7424 (flow_loops_free): Free entry_edges.
7426 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7428 * loop.c (loop_dump_aux, debug_loop): New functions.
7429 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
7431 * flow.c (flow_loops_dump): Add callback parameter.
7432 (flow_loop_dump): Add callback parameter and call it. Move
7433 loop note debugging code to loop_dump_aux.
7435 * basic-block.h (flow_loop_dump): Add callback parameter
7436 (flow_loops_dump): Likewise.
7438 * toplev.c (rest_of_compilation): Add NULL callback function pointer
7439 to call to flow_loops_dump.
7441 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7443 * loop.c (count_loop_regs_set): Replace start and end arguments
7444 with loop argument. All callers udated.
7446 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7448 * loop.c (constant_high_bytes): Delete.
7450 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7452 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
7453 and NOTE_INSN_LOOP_VTOP to...
7454 (find_and_verify_loops) ...here.
7456 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
7458 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
7459 (fini_dummy, init_dummy): Use it.
7461 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
7463 * cpplex.c (is_macro_disabled): Caller has already checked
7464 that we're not a preprocessed file.
7466 2000-08-24 Mark Mitchell <mark@codesourcery.com>
7468 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
7469 (c-iterate.o): Remove target.
7470 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
7471 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
7472 (finish_decl): Don't handle iterators.
7473 (grokdeclarator): Likewise.
7474 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
7475 * gcc/c-gperf.h: Regenerated.
7476 * gcc/c-iterate.c: Removed.
7477 * gcc/c-lex.c (init_lex): Don't handle iterators.
7478 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
7479 (compstmt_primary_start): Remove push_iterator_stack call.
7480 (stmt): Don't allow iterator statements. Replace iterator_expand
7481 with expand_expr_stmt.
7482 (all_iter_stmt): Remove.
7483 (all_iter_stmt_simple): Likewise.
7484 (all_iter_stmt_with_decl): Likewise.
7485 * gcc/c-tree.h (ITERATOR_P): Remove.
7486 (ITERATOR_BOUND_P): Likewise.
7487 (init_iterators): Remove declaration.
7488 (iterator_expand): Likewise.
7489 (iterator_for_loop_start): Likewise.
7490 (iterator_for_loop_end): Likewise.
7491 (iterator_for_loop_record): Likewise.
7492 (push_iterator_stack): Likewise.
7493 (pop_iterator_stack): Likewise.
7494 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
7495 (readonly_warning): Likewise.
7496 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
7498 2000-08-24 Jim Wilson <wilson@cygnus.com>
7500 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
7501 Copy type in a TYPE_DECL, just like pushdecl does.
7503 2000-08-24 Richard Henderson <rth@cygnus.com>
7505 * toplev.c (main): Enable flag_reorder_blocks at -O2.
7507 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7509 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
7510 asked for one page, allocate GGC_QUIRE_SIZE of them and put
7511 the extras on the free list.
7512 (release_pages): Clean up.
7513 (ggc_set_mark): Don't adjust G.allocated here...
7514 (sweep_pages): ... do it here.
7516 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7518 * cppfiles.c (read_include_file): Rearrange initializations.
7520 2000-08-24 Richard Henderson <rth@cygnus.com>
7522 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
7524 * config/ia64/ia64-protos.h: Update.
7525 * config/ia64/ia64.c (gr_register_operand): New.
7526 (fr_register_operand, grfr_register_operand): New.
7527 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
7528 (grfr_reg_or_8bit_operand): New.
7529 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
7530 use gr_register_operand.
7531 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
7532 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
7533 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
7534 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
7535 (fr_reg_or_fp01_operand): Likewise.
7536 (not_postinc_memory_operand): New.
7537 (ia64_split_timode): Remove unused variables.
7538 (rtx_needs_barrier): Check arguments to cmpxchg.
7539 (builtin_description): Remove.
7540 (bdesc_2argsi, bdesc_2argdi): Remove.
7541 (ia64_init_builtins): Declare all builtins directly.
7542 (ia64_expand_fetch_and_op): Rewrite to be called from
7543 ia64_expand_builtin directly. Use expand_binop and co.
7544 (ia64_expand_op_and_fetch): Likewise.
7545 (ia64_expand_compare_and_swap): Likewise.
7546 (ia64_expand_binop_builtin): Remove.
7547 (ia64_expand_lock_test_and_set): New.
7548 (ia64_expand_lock_release): New.
7549 (ia64_expand_builtin): Use them.
7550 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
7551 (EXTRA_CONSTRAINT): Use it.
7552 (PREDICATE_CODES): Update.
7553 * config/ia64/ia64.md (*): Use gr_register_operand and co.
7554 (mf): Indicate that we set memory as well as use it.
7555 (fetchadd_acq_si): Show memory being modified as well.
7556 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
7557 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
7558 (lock_test_and_set_si, lock_test_and_set_di): Remove.
7559 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
7560 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
7561 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
7562 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
7563 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
7564 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
7565 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
7566 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
7567 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
7568 return type. Pretty print definitions.
7570 2000-08-24 Jim Wilson <wilson@cygnus.com>
7572 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
7573 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
7575 2000-08-24 Jason Merrill <jason@redhat.com>
7577 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
7578 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
7579 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
7580 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
7582 2000-08-24 Greg McGary <greg@mcgary.org>
7584 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
7585 and extendtab within their proper array boundaries.
7586 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
7587 for the entire array.
7589 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
7590 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
7591 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
7592 * config/fr30/fr30.c (fr30_print_operand): Likewise.
7593 * config/i386/dgux.c (output_options): Likewise.
7594 * config/i386/dgux.h (ASM_FILE_START): Likewise.
7595 * config/m88k/m88k.c (output_options): Likewise.
7596 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
7597 * config/mcore/mcore.c (mcore_output_inline_const_forced,
7598 layout_mcore_frame, handle_structs_in_regs): Likewise.
7599 * config/mips/mips.c (output_block_move): Likewise.
7600 * config/rs6000/rs6000.c (rs6000_override_options,
7601 rs6000_file_start): Likewise.
7602 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
7603 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
7604 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
7605 * builtins.c (expand_builtin_setjmp): Likewise.
7606 * expr.c (safe_from_p): Likewise.
7607 * flow.c (life_analysis): Likewise.
7608 * fold-const.c (size_int_type_wide): Likewise.
7609 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
7610 * genattrtab.c (make_length_attrs): Likewise.
7611 * genopinit.c (gen_insn): Likewise.
7612 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
7613 * global.c (global_alloc): Likewise.
7614 * local-alloc.c (find_free_reg): Likewise.
7615 * mips-tdump.c (print_symbol): Likewise.
7616 * mips-tfile.c (parse_def, parse_input): Likewise.
7617 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
7618 * stmt.c (expand_nl_goto_receiver): Likewise.
7619 * stor-layout.c (set_sizetype): Likewise.
7620 * varasm.c (decode_reg_name): Likewise.
7621 * toplev.c (decode_f_option, decode_W_option,
7622 set_target_switch, print_switch_values): Likewise.
7623 (NUM_ELEM): Remove macro.
7624 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
7626 2000-08-24 Greg McGary <greg@mcgary.org>
7628 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
7629 (MAIN_NAME_P, main_identifier_node): New macros.
7630 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
7631 * c-decl.c (start_decl, grokdeclarator, start_function,
7632 store_parm_decls, finish_function): Use MAIN_NAME_P.
7633 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
7634 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
7635 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7636 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
7638 2000-08-24 Greg McGary <greg@mcgary.org>
7640 * cppfiles.c (actual_directory): Don't write beyond `dir'
7641 when it contains "".
7642 * real.c (asctoeg): Stay within bounds of etens[][].
7644 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7646 * dependence.c (dependence_string, direction_string,
7647 dump_one_node, dump_node_dependence): Hide unused identifiers.
7648 (get_low_bound, normalize_coefficients): Match definition to
7650 (get_one_coefficient): Initialize variables `value0_is_idx' and
7652 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
7653 (ziv_test): Delete variable `idx', use parameter `sub' instead.
7654 (direction_merge): Avoid automatic aggregate initialization.
7655 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
7656 Initialize variables `dest_idx' and `src_idx'.
7657 (end_dependence_analysis): Avoid C89 style function definition.
7659 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
7661 * c-common.c (time_char_table): Don't allow width with %F.
7662 (check_format_info): Don't allow "Z" length with scanf.
7664 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
7666 * diagnostic.c (finish_diagnostic): Define.
7667 (output_do_printf): Use wrap_text instead of output_add_string.
7668 (default_print_error_function): Avoid embedded '\n'.
7670 * diagnostic.h (flush_diagnostic_buffer): Declare.
7672 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
7674 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
7676 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
7678 * Makefile.in (GCC_PASSES): Add specs.
7680 2000-08-23 Jim Wilson <wilson@cygnus.com>
7682 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
7683 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
7684 EHANDLER nor UHANDLER bit is set.
7685 (__get_except_table): Likewise.
7687 2000-08-23 Nick Clifton <nickc@redhat.com>
7689 * config/arm/lib1funcs.asm: Replace upper case condition codes
7690 with lower case versions.
7692 * config/arm/arm.h (STRUCT_VALUE): Define.
7693 (STRUCT_VALUE_REGNUM): Delete.
7695 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
7697 * cpphash.h (IN_I): New flag for directive table.
7698 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
7700 (_cpp_check_directive): If -fpreprocessed, execute directives
7701 marked with IN_I. Issue no warnings in this case.
7702 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
7704 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
7706 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
7708 (check_format_info): Support printf 'I' flag; warn about it with
7711 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
7713 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
7714 barrier can't be ignored by the alias analysis code.
7716 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
7718 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
7719 works inside fixincl.
7721 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
7723 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
7724 simplify_relational_operation() unless both operands are of
7726 * cse.c (fold_rtx): Likewise.
7728 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
7730 * rtlanal.c (rtx_unstable_p): The pic register is stable
7731 (within one function) and the actual rtx should be used
7732 when checking the registers.
7733 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
7735 * alias.c (true_dependence, write_dependence_p): Fix
7736 bug in previous patch.
7738 * i386.c (ix86_GOT_alias_set): New.
7739 (legitimize_pic_address): Use it.
7741 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
7742 only stable if its address is stable.
7743 (rtx_varies_p): An unchanging MEM can't vary if
7744 its address doesn't vary.
7746 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7748 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
7750 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7752 * vax.h (ASM_SPEC): Pass `-J' to assembler.
7753 * x-vax-gcc: New file for bootstrapping with gcc.
7754 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
7755 * configure.in: Use x-vax-gcc with gcc.
7756 * configure: Rebuilt.
7758 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7760 * toplev.c (rest_of_compilation): Rebuild label notes after
7761 post-reload splitting pass if new labels have been created.
7763 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7765 * diagnostic.h (output_buffer_state): New macro.
7766 * diagnostic.c (diagnostic_for_decl, sorry,
7767 default_print_error_function, output_do_verbatim,
7768 report_diagnostic, report_problematic_module): Use it.
7770 (output_format): Use wrap_text instead of maybe_wrap_text.
7772 2000-08-22 Nick Clifton <nickc@redhat.com>
7774 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
7775 Common code for ARM divide and modulus functions.
7776 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
7778 (FUNC_END): New macro: Common code at the end of the division and
7780 (THUMB_FUNCTION_START): New macro: Common code at the start of
7782 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
7784 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
7786 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
7788 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
7789 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
7792 2000-08-22 Nick Clifton <nickc@redhat.com>
7794 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
7795 restorative additions, test for bottom bits of IP being set,
7796 rather than relying upon the RORs not matching.
7799 2000-08-22 David Edelsohn <edelsohn@gnu.org>
7801 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
7802 text_section() as appropriate instead of emitting text csect
7804 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
7805 (UNIQUE_SECTION): Define macro.
7806 (ASM_OUTPUT_SECTION_NAME): Define macro.
7807 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
7808 on AIX if debugging and -fdata-sections always.
7810 2000-08-22 Steven King <sxking@uswest.net>
7812 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
7814 (LDBL_MAX): Same here.
7816 2000-08-22 Richard Henderson <rth@cygnus.com>
7818 * flow.c (tidy_fallthru_edge): Update b->end properly.
7820 2000-08-22 Stan Cox <scox@redhat.com>
7822 * Makefile.in (OBJS): Add dependence.o.
7823 * dependence.c: New file.
7825 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
7827 * calls.c (check_sibcall_argument_overlap_1): Adjust for
7829 (check_sibcall_argument_overlap): Likewise.
7831 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
7833 * invoke.texi (SH Options): Document -m4-nofpu,
7834 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
7835 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
7837 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
7839 * c-common.c (check_format_info): Give the 'some locales' warning
7840 for strftime %Ey rather than the unconditional 'only last 2 digits
7843 2000-08-22 Richard Henderson <rth@cygnus.com>
7845 * alias.c (init_alias_analysis): Do not register
7846 struct_value_incoming_rtx or static_chain_rtx as pointing
7849 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
7851 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
7853 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
7855 * diagnostic.h (report_problematic_module): Declare.
7856 * diagnostic.c (report_problematic_module): New function.
7857 (report_error_function): Tweak.
7859 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7861 * stmt.c (expand_goto_internal, fixup_gotos): Only check
7862 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7864 2000-08-21 Richard Henderson <rth@cygnus.com>
7866 * flow.c (calculate_global_regs_live): Mark frame pointer live
7867 everywhere before reload.
7869 2000-08-21 Jim Wilson <wilson@cygnus.com>
7871 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
7872 INTEL_EXTENDED_IEEE_FORMAT.
7873 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
7874 clear last two bytes of output FP value.
7876 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
7878 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
7880 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7882 * unroll.c (loop_find_equiv_value): If ret is modified between
7883 insn and loop_start, ret might not be equivalent to reg.
7885 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7887 * c-common.c (init_dollar_format_checking,
7888 maybe_read_dollar_number, finish_dollar_format_checking): New
7890 (dollar_arguments_used, dollar_arguments_count,
7891 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
7893 (check_format_info): Support $ formats for scanf and printf width
7894 and precision. Always increment format_chars to advance past the
7895 '*' of precision, not just when the format parameters are
7898 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7900 * mips.c (block_move_loop, expand_block_move,
7901 function_arg_partial_nregs, save_restore_insns, function_prologue,
7902 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
7904 (function_arg_advance, function_arg): Match argument to format
7907 2000-08-21 Nix <nix@esperi.demon.co.uk>
7909 * gcc.c (do_spec_1): Implement %j spec flag.
7910 Remove dead comment.
7912 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
7913 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
7914 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
7915 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
7917 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
7918 writable) instead of hardcoded value.
7920 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
7922 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
7925 * gcc.c (cc1_options): Do not process -o or run the assembler if
7927 * objc/lang-spec.h: Likewise.
7929 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
7931 * fixinc/fixincl.c (fix_with_system): Pipe the output of
7932 "external" fixes through `cat', to avoid truncating the input
7933 file by redirection.
7935 2000-08-21 Jakub Jelinek <jakub@redhat.com>
7937 * config/i386/i386.md (lea_general_1): Copy insn condition to split
7939 (lea_general_2, lea_general_3): Likewise.
7941 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7943 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
7944 warnings to user code.
7946 * c-lex.c (readescape, yylex): Likewise.
7948 * c-typeck.c (store_init_value, process_init_element): Likewise
7949 (c_expand_start_case): Format.
7951 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
7953 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
7955 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
7956 and linker_endian_spec to endian_spec.
7957 (ENDIAN_SPEC): Add %{EB} and %{EL}.
7958 (LINK_SPEC): Remove %{EB} and %{EL}.
7959 (ASM_SPEC): Likewise. Use %(endian_spec).
7961 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7963 * c-tree.h (flag_hosted): Move declaration from here...
7964 * c-common.h (flag_hosted): ... to here.
7965 (flag_noniso_default_format_attributes): New declaration.
7966 * c-decl.c (flag_noniso_default_format_attributes): New variable.
7967 (c_decode_option): Set it appropriately for options choosing
7968 language standard variant.
7969 * c-common.c (init_function_format_info): Only provide default
7970 format attributes if flag_hosted. Only provide the gettext
7971 formats if flag_noniso_default_format_attributes. Update
7973 (check_format_info): Disable treatment of %a as a scanf flag in
7976 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
7978 * c-common.c (scan_char_table): Add 'w' to flags for all formats
7980 (check_format_info): Set 'wide' for scanf format widths. Warn for
7981 a zero scanf width. Make the check for writing into a constant
7982 object at the first level of indirection; at later levels, warn if
7983 any type qualifiers are encountered.
7985 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
7987 * reload.c (reload_inner_reg_of_subreg): New function broken out of
7989 (push_reload): Use reload_inner_reg_of_subreg.
7990 (combine_reloads): Do not combine reloads if the input reload
7991 is a SUBREG in which the inner part will need reloading.
7993 * global.c (global_alloc): Avoid passing dumpfile argument to
7995 * toplev.c (rest_of_compilation): Likewise.
7996 * reload.h (reload): Remove dumpfile argument. Callers changed.
7997 (debug_reload, debug_reload_to_stream): Move prototypes here.
7998 * rtl.h (reload): Remove dumpfile argument.
7999 * reload.c (debug_reload): Remove prototype.
8000 (debug_reload_to_stream): Likewise.
8001 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
8004 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8006 * diagnostic.c (context_as_prefix): Export.
8007 (need_error_newline): Remove.
8008 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
8009 (error_module_changed, record_last_error_module,
8010 error_function_changed, record_last_error_function): New functions.
8011 (initialize_diagnostics): Default intialize
8012 lang_diagnostic_starter, lang_diagnostic_finalizer.
8013 (init_output_buffer): Tweak.
8014 (file_name_as_prefix): New function.
8015 (announce_function, default_print_error_function,
8016 report_error_function, set_diagnostic_context): Tweak.
8018 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
8020 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
8021 condition expression.
8023 2000-08-20 Richard Henderson <rth@cygnus.com>
8025 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
8027 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
8029 * cppinit.c (cpp_init): Set global flag when called.
8030 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
8032 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
8034 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
8035 before `process_directive' so that newlines won't be missed
8037 (cpp_printf): Increment `print->lineno' when newline is emitted.
8039 * cppmain.c (cb_ident): Likewise.
8040 (cb_define): Likewise.
8041 (cb_undef): Likewise.
8042 (cb_include): Likewise.
8043 (cb_def_pragma): Likewise.
8044 (dump_macros_helper): Likewise.
8046 2000-08-20 Richard Henderson <rth@cygnus.com>
8048 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
8049 assigned before a loop.
8051 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
8052 (ashrsi3, lshrsi3): Likewise.
8054 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8056 * c-lang.c: #include diagnostic.h
8057 (c_tree_printer): New function.
8058 (lang_init): Initialize lang_printer.
8060 * Makefile.in (c-lang.o): Depends on diagnostic.h
8062 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8064 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
8066 * diagnostic.c (default_diagnostic_starter,
8067 default_diagnostic_finalizer): New functions.
8068 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
8069 (pedwarn, pedwarn_with_file_and_line, error,
8070 error_with_file_and_line, fatal, warning,
8071 warning_with_file_and_line): Adjust call to report_diagnostic.
8072 (report_diagnostic): Rework.
8073 (set_diagnostic_context): New function.
8075 * diagnostic.h (struct diagnostic_context): New data structure.
8076 (diagnostic_message, diagnostic_argument_list,
8077 diagnostic_file_location, diagnostic_line_location,
8078 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
8079 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
8080 (set_diagnostic_context): Declare.
8081 (report_diagnostic): Change prototype.
8083 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
8085 * fix-header.c (main): Initialize cpplib.
8087 2000-08-19 Michael Meissner <meissner@redhat.com>
8089 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
8090 instructions in it before checking for indirect jumps.
8092 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
8093 in a indirect jump as a potential for conditional execution.
8095 * d30v.h (d30v_init_expanders): Don't declare here.
8096 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
8099 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
8101 * cpp.texi: Add @section for assertions.
8103 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
8105 * loop.c (scan_loop): Use CONST_CALL_P instead of
8106 checking for REG_LIBCALL / REG_RETVAL.
8108 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
8110 * reload1.c (reload_as_needed): Accept dumpfile argument,
8111 pass it to emit_reload_insns.
8112 (emit_reload_insns): Add new dumpfile argument. If non-null
8113 then dump the reloads for each insn into the dumpfile.
8114 (reload): Pass dumpfile to reload_as_needed.
8116 * invoke.texi: Clean up linux-gnu vs linux comments.
8118 2000-08-19 Richard Henderson <rth@cygnus.com>
8120 * config/ia64/ia64.c (reg_or_5bit_operand): New.
8121 (ia64_depz_field_mask): New.
8122 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
8123 (PREDICATE_CODES): Update.
8124 * config/ia64/ia64.md: Update commentary.
8125 (depz_internal): New.
8126 (ashlsi3): Implement directly.
8127 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
8128 (ashldi3): Use shladd.
8129 * config/ia64/ia64-protos.h: Update.
8131 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8133 * toplev.c (independent_decode_option): Always process -g.
8134 Remove third argument, now unused. Adjust caller to match.
8136 2000-08-18 Richard Henderson <rth@cygnus.com>
8138 * combine.c (make_compound_operation): Break after creating
8141 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8143 * cpplib.c (cpp_register_pragma_space): Just return if the
8144 namespace is already registered.
8146 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
8148 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
8149 constant amount. Do not generate ROTL instruction.
8151 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
8153 * config/sh/elf.h: Do not include sh/sh.h.
8154 * config/sh/rtems.h: Likewise.
8155 * config/sh/rtemself.h: Do not include sh/elf.h.
8156 * configure.in: Get them included with `tm_file's.
8157 * configure: Rebuilt.
8159 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
8160 * config/sh/sh.c (fpscr_set_from_mem): Use them.
8162 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8164 * stor-layout.c (compute_record_type): Don't use mode of single
8165 field as mode of record if not integer mode of same type.
8167 * regmove.c (perhaps_ends_bb_p): New function.
8168 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
8169 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
8170 (fixup_match_1): Likewise.
8171 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8172 avoid signed/unsigned warnings.
8174 * function.c (fixup_var_refs_1, case MEM): Update CODE after
8177 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
8179 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
8180 (_cpp_trigraph_map): Declaration moved from cpplex.c
8182 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
8183 instead of 256. Use consistent test for designated initializers.
8184 (cpp_init): Initialize trigraph_map.
8185 (initialize_standard_includes, parse_option): Use memcmp
8188 * cpplex.c (init_trigraph_map): Remove.
8189 (trigraph_ok, trigraph_replace, lex_line): Refer to
8192 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8193 (do_unassert): Remove unused "next" local.
8195 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8197 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8199 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8202 2000-08-17 Richard Henderson <rth@cygnus.com>
8204 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8205 the first insn in a sequence.
8207 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
8209 * alias.c (true_dependence, write_dependence_p): A read
8210 involving a label_ref or the constant pool doesn't create
8213 * rtl.h (unchanging): Improve documentation.
8215 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
8217 * cse.c (insert_regs): Remove unused `regno'.
8219 2000-08-17 Neil Booth <NeilB@earthling.net>
8221 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
8222 remove_dup_dirs. If qtail == brack, remove brack not
8224 (remove_dup_dir, remove_dup_dirs): New functions.
8226 2000-08-17 Neil Booth <NeilB@earthling.net>
8228 * cppinit.c (cpp_cleanup): Free include dir chains.
8229 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
8230 (do_unassert): Free the assert with _cpp_free_definition.
8231 * cppmacro.c (_cpp_free_definition): Free memory allocated for
8232 assertions. Make the node a T_VOID node.
8234 2000-08-17 Neil Booth <NeilB@earthling.net>
8236 * cppinit.c (path_include, append_include_chain):
8237 Remove 2nd parameter (struct cpp_pending *).
8238 (path_include, initialize_standard_includes, cpp_handle_option):
8239 Update callers appropriately.
8240 (cpp_handle_option): Use pend.
8242 2000-08-17 Neil Booth <NeilB@earthling.net>
8244 * cppinit.c (sort_options): Remove, put functionality in
8247 (initialize_builtins): Free memory.
8248 (cpp_start_read): Move init_IStable to cpp_init.
8250 * cpplib.h (cpp_init): New prototype.
8251 * cppmain.c (main): Call cpp_init.
8253 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
8255 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
8256 (rtx_unstable_p, rtx_varies_p): Process vectors.
8258 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8260 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
8261 references to GLOBAL symbols. Use LOCAL where appropriate.
8263 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8265 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
8266 use t-aix41 when host == target.
8268 2000-08-16 Richard Henderson <rth@cygnus.com>
8270 * reload.c (push_secondary_reload): Revert last change.
8271 If we use a reload_in/out pattern, make the when the same
8272 as the primary reload.
8273 (find_reloads): Likewise.
8275 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
8277 * configure.in (libstdcxx-v3): Fix test.
8278 * configure: Regenerate.
8280 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8282 * calls.c (calls_function_1, expand_call): Only test
8283 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8284 * function.c (thread_prologue_and_epilogue_insns): Likewise.
8286 2000-08-16 Richard Henderson <rth@cygnus.com>
8288 * combine.c (simplify_shift_const): Revert previous two
8289 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
8290 before the main loop.
8292 2000-08-15 Richard Henderson <rth@cygnus.com>
8294 * combine.c (simplify_shift_const): Bound shift count when
8297 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8299 * calls.c (ECF_SP_DEPRESSED): New macro.
8300 (calls_function_1): Treat calling sp-depressed function as alloca.
8301 (emit_call_1): Don't adjust SP if calling sp-depressed function.
8302 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
8303 If sp-depressed, ensure block saves and restores SP.
8304 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
8306 * function.c (keep_stack_depressed): New function.
8307 (thread_prologue_and_epilogue_insns): Call it.
8308 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
8309 to print DECL_OFFSET_ALIGN.
8310 Print no-force-blk and transparent-union flags properly.
8311 * stmt.c (expand_goto_internal): Don't restore stack if last block
8312 and function returns with sp depressed.
8313 (fixup_gotos): Likewise.
8314 (save_stack_pointer): New function, from code in expand_decl.
8315 (expand_decl): Call new function.
8316 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
8317 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
8318 (save_stack_pointer): New declaration.
8320 * diagnostic.c (fatal_function): New variable.
8321 (set_fatal_function): New function.
8323 * diagnostic.h (set_fatal_function): New declaration.
8325 2000-08-15 William Cohen <wcohen@redhat.com>
8327 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
8328 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
8329 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
8331 2000-08-15 Richard Henderson <rth@cygnus.com>
8333 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
8335 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8337 * arm.c (arm_function_ok_for_sibcall): New function.
8338 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
8339 * arm.md (call expanders): Don't check here for calls that can't
8342 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8344 * arm.md (splits generating cond_exec): Disable.
8346 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8348 * arm/linux-elf.h (text_section): Delete declaration.
8350 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8352 ARM support for unordered FP operations.
8353 * arm-protos.h (arm_comparison_operator): Declare.
8354 * arm.c (arm_comparison_operator): New function.
8355 (arm_select_cc_mode): Add unordered comparison codes.
8356 (get_arm_condition_code): Likewise.
8357 (arm_final_prescan_insn): Can't handle unordered jumps that can't
8358 be done in one insn.
8359 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
8360 * arm.md (all uses of comparison_operator): Replace with
8361 arm_comparison_operator.
8362 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
8364 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
8367 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8369 * gthr-posix.h: Conditionally include <sched.h>; include
8370 <config.h> from libobjc/.
8372 2000-08-14 Richard Henderson <rth@cygnus.com>
8374 * config/i386/i386.c (legitimize_pic_address): Use Pmode
8377 2000-08-14 Richard Henderson <rth@cygnus.com>
8379 * configure.in (ia64-*): Set float_format for i386 long double.
8381 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
8382 as we would for i386 XFmode.
8383 (PUT_REAL): Likewise.
8384 (endian, ereal_atof, real_value_truncate): Likewise.
8385 (ereal_isneg, toe64, etens, make_nan): Likewise.
8386 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
8388 * config/ia64/ia64-protos.h: Update.
8389 * config/ia64/ia64.c (general_tfmode_operand): New.
8390 (destination_tfmode_operand): New.
8391 (tfreg_or_fp01_operand): New.
8392 (ia64_split_timode): New.
8393 (spill_tfmode_operand): New.
8394 (ia64_expand_prologue): Use TFmode not XFmode.
8395 (ia64_expand_epilogue): Likewise.
8396 (ia64_function_arg): Likewise.
8397 (ia64_function_arg_advance): Likewise.
8398 (ia64_return_in_memory): Likewise.
8399 (ia64_function_value): Likewise.
8400 (ia64_print_operand): Likewise.
8401 (ia64_register_move_cost): Set GR<->FR to 5.
8402 (ia64_secondary_reload_class): Get GR for TImode memory op.
8403 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
8404 (ROUND_TYPE_ALIGN): Remove.
8405 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
8406 (INTEL_EXTENDED_IEEE_FORMAT): Define.
8407 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
8408 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
8409 (MODES_TIEABLE_P): Use TFmode, not XFmode.
8410 (CLASS_MAX_NREGS): Likewise.
8411 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
8412 (PREDICATE_CODES): Update.
8413 * config/ia64/ia64.md (movti): New.
8414 (movti_internal): Use a clobber for memory alternatives.
8415 (reload_inti, reload_outti): New.
8416 (movsfcc_astep): Predicate properly.
8417 (movdfcc_astep): Likewise.
8420 (extendsftf2, extenddftf2): New.
8421 (trunctfsf2, trunctfdf2): New.
8422 (floatditf2, fix_trunctfdi2): New.
8423 (floatunsditf2, fixuns_trunctfdi2): New.
8424 (addtf3, subtf3, multf3, abstf2): New.
8425 (negtf2, nabstf2, mintf3, maxtf3): New.
8426 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
8428 (fr_spill): Use TFmode, not XFmode.
8429 (fr_restore): Likewise.
8430 * config/ia64/lib1funcs.asm (__divtf3): New.
8431 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
8433 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8435 * cse.c (fold_rtx): Avoid empty body in an if-statement.
8437 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
8438 `U' integer constant suffix.
8440 * dwarf2out.c (add_subscript_info): Avoid empty body in an
8443 * sparc/sol2.h (__enable_execute_stack): Prototype.
8445 2000-08-14 David Edelsohn <edelsohn@gnu.org>
8447 * collect2.c: Remove use of AIX import file.
8449 * longlong.h: Test ARCH_PWR not ARCH_POWER.
8451 * rs6000.c (print_operand, case 'E'): Add else.
8453 2000-08-14 Richard Henderson <rth@cygnus.com>
8455 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
8456 (movdi_symbolic): New.
8458 2000-08-14 Jim Wilson <wilson@cygnus.com>
8460 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8461 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
8462 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8465 2000-08-14 Richard Henderson <rth@cygnus.com>
8467 * expr.c (emit_group_load): Don't force constants into registers.
8468 Special case source already in the correct mode.
8470 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
8472 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
8473 * fixinc/inclhack.def: Likewise.
8474 * fixinc/mkfixinc.sh: Likewise.
8475 * configure: Regenerate.
8476 * fixinc/fixincl.x: Regenerate.
8477 * install.texi: Document equivalence of linux and linux-gnu.
8479 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8481 * cse.c (insert_regs): Also in REG case: When finding an invalid
8482 value, and we make a new quantity, make sure that it won't be
8483 mistaken by for a valid one by mention_regs.
8485 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
8487 * h8300.md: Remove obsolete peepholes.
8489 2000-08-13 Kazu Hirata <kazu@hxi.com>
8491 * invoke.texi (H8/300 Options): Fix typos.
8492 * config/h8300.c: Fix formatting.
8493 * config/h8300.h: Fix comment typos.
8494 (OVERRIDE_OPTIONS): Fix formatting.
8496 * function.c: Fix formatting.
8498 * cse.c: Fix formatting.
8500 2000-08-13 Geoff Keating <geoffk@cygnus.com>
8502 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
8503 (attempt_auto_inc): Suppress parentheses warning.
8504 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
8505 * loop.c (load_mems): Remove `u' suffix in two places.
8506 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
8508 * config/rs6000/rs6000.h: Likewise.
8509 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
8510 __eabi dummy routine.
8511 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
8514 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
8515 not put stuff in .sdata unnecessarily.
8516 (rs6000_unique_section): New function.
8517 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
8518 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
8520 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
8521 arrays in C99. Don't try to look at DECL_REGISTER of a
8522 COMPONENT_REF. Don't complain twice about the same error.
8524 * fixinc/inclhack.def (aix_pthread): New fix.
8525 (aix_sysmachine): New fix.
8526 * fixinc/fixincl.x: Regenerate.
8528 * expr.c (expand_expr): Call convert_modes when turning a large
8529 multiply into a small one.
8531 2000-08-12 Geoff Keating <geoffk@cygnus.com>
8533 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
8534 the tree structure an exponent rather than an explicit alignment
8535 so it doesn't overflow.
8536 (SET_DECL_OFFSET_ALIGN): New macro.
8537 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
8538 rather than DECL_OFFSET_ALIGN.
8539 (place_field): Likewise.
8540 * expmed.c (store_bit_field): Abort on align==0 to avoid
8541 antisocial machine behaviour.
8543 2000-08-12 Richard Henderson <rth@cygnus.com>
8545 * sibcall.c (uses_addressof): Accept both addressof and
8546 current_function_internal_arg_pointer inside a mem.
8547 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
8548 if current_function_uses_addressof.
8549 * stmt.c (expand_return): Kill tail recursion and HAVE_return
8552 2000-08-11 Richard Henderson <rth@cygnus.com>
8554 * config/ia64/ia64.md (addsi3): Remove expander.
8555 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
8556 (*addsi3_shladd): New.
8558 2000-08-11 Richard Henderson <rth@cygnus.com>
8560 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
8561 (do_restore): Likewise.
8562 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
8563 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
8564 (rtx_needs_barrier): Track actual bit manipulation for
8565 ar.unat moves, gr_spill, and gr_restore.
8566 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
8567 (process_set): Don't handle varargs spills.
8568 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
8569 .mem.offset here instead of in process_set.
8570 (gr_restore): Likewise.
8572 2000-08-11 Richard Henderson <rth@cygnus.com>
8574 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
8576 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
8578 * gcc.texi (The Configuration File): Document
8579 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
8580 UPDATE_PATH_HOST_CANONICALIZATION.
8582 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8584 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
8585 unprototyped function pointer casts on integer constants.
8587 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
8589 * fixproto: Recognize DOS paths with drive letters as absolute paths.
8591 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
8593 * extend.texi (Volatiles): Fix typos.
8595 2000-08-11 Kazu Hirata <kazu@hxi.com>
8597 * flow.c: Fix formatting.
8599 2000-08-11 Richard Henderson <rth@cygnus.com>
8601 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
8602 pattern, always allocate a tertiary scratch register.
8604 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
8605 (reload_inhi): Likewise.
8607 2000-08-11 Richard Henderson <rth@cygnus.com>
8609 * function.c (put_reg_into_stack): Allow type to be NULL.
8610 (schedule_fixup_var_refs): Likewise.
8611 (gen_mem_addressof): Allow decl to be NULL.
8612 (put_addressof_into_stack): Likewise.
8614 * flow.c (merge_blocks_nomove): Be more careful about
8615 locating the beginning of block A.
8617 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
8619 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8624 * config.in: Reverted the check for <sched.h>.
8626 2000-08-10 Chris Demetriou <cgd@sibyte.com>
8628 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
8629 macros define the name of CTOR and DTOR sections.
8630 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8631 DTOR_LIST_END): Change to use attributes to specify
8633 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
8634 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8635 DTOR_LIST_END): Same as in mips/elf.h.
8637 2000-08-10 Drew Moseley <dmoseley@redhat.com>
8639 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
8640 disabling just crt0.o.
8642 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
8644 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
8645 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
8646 (EXTRA_SPECS): Add them.
8647 * arm/lib1funcs.asm: Support builds for interworking.
8648 Use macros to eliminate duplicated pieces of code.
8650 2000-08-10 Kazu Hirata <kazu@hxi.com>
8652 * h8300.c (expand_a_rotate): New.
8653 (emit_a_rotate): Likewise.
8654 (h8300_adjust_insn_length): Add support for the rotate insns.
8655 * h8300.md (rotlqi3): New.
8656 (*rotlqi3_1): Likewise.
8657 (rotlhi3): Likewise.
8658 (*rotlhi3_1): Likewise.
8659 (rotlhi3): Likewise.
8660 (*rotlhi3_1): Likewise.
8661 * h8300-proto.h: Add prototypes for expand_a_rotate and
8664 * h8300.c: Fix comment typos.
8665 (dosize): Declare the variable amount as unsigned.
8666 (get_shift_alg): Fix a comparison between signed and unsigned.
8667 (emit_a_shift): Likewise.
8668 (h8300_adjust_insn_length): Simplify the code.
8670 * c-decl.c: Fix formatting.
8672 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8674 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
8675 warning about non-traditional numeric constant suffixes.
8677 * cppexp.c (parse_number): Likewise.
8679 * invoke.texi: (-Wtraditional): Document new behavior.
8681 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8683 * gthr-posix.h: Include auto-host.h. Conditionally include
8685 * configure.in: Check for the <sched.h> header file.
8686 * config.in: Added define for HAVE_SCHED_H.
8688 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8690 * c-typeck.c (process_init_element): For -Wtraditional, warn about
8691 initialization of unions.
8693 * invoke.texi (-Wtraditional): Document new behavior.
8695 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
8697 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
8698 instead of extra_c_flags.
8699 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
8700 * configure: Regenerate.
8701 * config.in: Regenerate.
8703 * cpperror.c (cpp_type2name): New function.
8704 * cpplex.c (lex_line): If we issued an error for an invalid
8705 preprocessing directive, discard that logical line.
8706 * cpplib.c (do_line): Call a hook function if the current file
8707 is renamed by #line.
8708 (do_ident): Pass the contents of the string, not the entire
8709 token, to the callback function.
8710 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
8711 (cb.rename_file): New hook function.
8712 (cb.ident): Adjust prototype.
8713 (cpp_type2name): Prototype.
8714 * cppmacro.c (dump_macro_args): Correct precedence lossage.
8716 * cppmain.c (cb_ident): Update for changed interface.
8717 (cb_rename_file): New function.
8718 (main): Set rename callback.
8720 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
8722 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
8723 multi-word registers.
8725 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8727 * c-common.c (combine_strings, check_format_info): Refer to ISO C
8728 or ISO C89 instead of ANSI C.
8729 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
8730 build_enumerator, do_case): Likewise.
8731 * c-lex.c (parse_float, yylex): Likewise.
8732 * c-parse.in: Likewise.
8733 * c-typeck.c (common_type, build_array_ref, build_binary_op,
8734 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
8735 build_c_cast, convert_for_assignment, set_init_index,
8736 set_init_label, c_expand_start_case): Likewise.
8737 * toplev.c (documented_lang_options, display_help): Likewise.
8739 2000-08-08 Kazu Hirata <kazu@hxi.com>
8741 * h8300.c: Fix formatting.
8742 * h8300.h: Likewise.
8743 * h8300.md: Likewise.
8744 (movsi_h8300hs): Fix formatting of the resulting assembly code.
8746 * reload1.c: Fix formatting.
8748 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
8750 * alpha/alpha.c (alpha_emit_xfloating_libcall):
8751 Use GEN_CALL_VALUE define.
8752 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
8753 * clipper/clipper.md (untyped_call): Likewise.
8754 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
8755 * fx80/fx80.md (untyped_call): Likewise.
8756 * mips/mips.md (untyped_call): Likewise.
8757 * ns32k/ns32k.md (untyped_call): Likewise.
8758 * pa/pa.md (untyped_call): Likewise.
8759 * romp/romp.md (untyped_call): Likewise.
8760 * sparc/sparc.md (untyped_call): Likewise.
8762 2000-08-08 Jason Eckhardt <jle@cygnus.com>
8764 * config/i860/i860.c (singlemove_string): Do not generate assembler
8765 pseudo instructions that must be expanded (that is, with signed
8766 constants larger than 16 bits).
8768 2000-08-08 Richard Henderson <rth@cygnus.com>
8770 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
8771 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
8772 (init_propagate_block_info): Don't kill memory stores at -O0.
8773 (mark_set_1, mark_used_regs): Likewise.
8775 2000-08-08 David Edelsohn <edelsohn@gnu.org>
8777 * rs6000.c (optimization_options): Decorate 'level' as
8779 (mask64_operand): Remove sign-extend thinko.
8780 (rldic_operand): New function.
8781 (load_multiple_operation): regno's are unsigned ints.
8782 (store_multiple_operation): Likewise.
8783 (lmw_operation): Likewise.
8784 (stmw_operation): Likewise.
8785 (includes_lshift_p): shift_mask is unsigned int.
8786 (includes_lshift64_p): New function.
8787 (addrs_ok_for_quad_peep): unsigned int reg1.
8788 (print_operand): Consistently add "else" after
8789 output_operand_lossage().
8790 (print_operand, case 'b'): Fold in case 'W'.
8791 (print_operand, case 'W'): Print rldic MB value.
8792 (output_epilogue): Update Objective-C language string.
8793 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
8794 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
8795 * rs6000.md (ashldi3): Add rldic instruction.
8796 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
8797 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
8800 2000-08-08 Richard Henderson <rth@cygnus.com>
8802 * config/ia64/ia64-protos.h: Remove duplicates. Update
8803 for massive code rearrangements.
8804 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
8805 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
8806 (ia64_local_regs, ia64_need_regstk): Remove.
8807 (ar_ccv_reg_operand): New.
8808 (ia64_gp_save_reg): New.
8809 (struct ia64_frame_info): Combine most of the size elements;
8810 add new gr save elements.
8811 (find_gr_spill): New.
8812 (next_scratch_gr_reg): New.
8813 (mark_reg_gr_used_mask): New.
8814 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
8815 to GR backing store regs when possible.
8816 (ia64_initial_elimination_offset): New.
8817 (ia64_rap_fp_offset): Remove.
8818 (save_restore_insns): Remove.
8819 (setup_spill_pointers): New.
8820 (finish_spill_pointers): New.
8821 (spill_restore_mem): New.
8822 (do_spill, do_restore): New.
8823 (ia64_expand_prologue): Rewrite to use them.
8824 (ia64_expand_epilogue): Likewise.
8825 (ia64_direct_return): Update for current_frame_info changes.
8826 (ia64_function_prologue): Simplify .prologue emission. Emit
8828 (ia64_setup_incoming_varargs): Don't ever emit rtl.
8829 (ia64_dbx_register_number): New.
8830 (ia64_initialize_trampoline): New.
8831 (ia64_secondary_reload_class): Request GR_REGS for integer
8832 arithmetic destined for FR_REGS.
8833 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
8834 (ia64_mark_machine_status): Mark ia64_gp_save.
8835 (rws_access_regno): Rename from rws_access_reg; don't treat
8836 predicates specially.
8837 (rws_access_reg): New. Update all callers.
8838 (rtx_needs_barrier): Remove dead unspecs.
8839 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
8840 (ia64_encode_section_info): Silence signed/unsigned warnings.
8841 (spill_offset, sp_offset, spill_offset_emitted): Remove.
8842 (tmp_reg, tmp_saved): Remove.
8843 (process_set): Rewrite to expect complicated bits via
8844 REG_FRAME_RELATED_EXPR.
8845 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
8846 in the use of ar.ccv; never set RTX_UNCHANGING_P.
8847 (ia64_expand_op_and_fetch): Likewise.
8848 (ia64_expand_compare_and_swap): Likewise.
8849 (ia64_expand_builtin): Likewise.
8850 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
8851 (FIRST_PSEUDO_REGISTER): Update.
8852 (AR_M_REGNO_P): Update.
8853 (FIXED_REGS): Don't mark three local registers as used.
8854 (EXTRA_CC_MODES): New.
8855 (SELECT_CC_MODE): New.
8856 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
8857 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
8858 (FRAME_GROWS_DOWNWARD): Unset.
8859 (STARTING_FRAME_OFFSET): Zero.
8860 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
8861 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
8862 (HARD_FRAME_POINTER_REGNUM): New.
8863 (CAN_DEBUG_WITHOUT_FP): Define.
8864 (TRAMPOLINE_TEMPLATE): Remove.
8865 (TRAMPOLINE_SIZE): Lower to 32.
8866 (TRAMPOLINE_ALIGNMENT): Lower to 64.
8867 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
8868 (PREDICATE_CODES): Update.
8869 (struct machine_function): Add ia64_gp_save.
8870 * config/ia64/ia64.md: Purge unused unspecs.
8871 (movsi patterns): Allow moves to/from AR_M_REGS.
8872 (movdi patterns): Allow moves to/from p0.
8873 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
8874 (gr_spill, gr_restore): Indicate ar.unat read/written.
8875 (nonlocal_goto): Don't pass old frame_pointer.
8876 (nonlocal_goto_receiver): Remove.
8877 (exception_receiver): New.
8878 (builtin_setjmp_setup): New.
8879 (builtin_setjmp_receiver): New.
8880 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
8881 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
8882 (__ia64_restore_stack_nonlocal): Likewise.
8883 (__ia64_trampoline): New.
8884 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
8886 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
8888 2000-08-08 Richard Henderson <rth@cygnus.com>
8890 * frame.h (ia64_frame_state): Add my_psp.
8891 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
8892 (__throw): Pass it in. Don't clobber r7.
8893 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
8894 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
8895 and nothing to do with sp.
8896 (normalize_reg_loc): Use frame->my_psp.
8897 (frame_translate): Handle frame-pointer-less functions. Set
8898 spill_base correctly, in absence of being told.
8899 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
8900 (__ia64_backtrace_helper): New sp argument. Use
8901 builtin_return_address instead of label addresses.
8902 (print_record) [mem_stack_v]: No size member.
8904 2000-08-08 Richard Henderson <rth@cygnus.com>
8906 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
8908 2000-08-08 Richard Henderson <rth@cygnus.com>
8910 * tm.texi (LOCAL_REGNO): Document.
8911 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
8912 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
8913 * reload1.c (reload): Likewise when considering nonlocal labels.
8915 * config/ia64/ia64.h (LOCAL_REGNO): New.
8916 * config/sparc/sparc.h (LOCAL_REGNO): New.
8918 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8920 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
8922 2000-08-07 Nick Clifton <nickc@redhat.com>
8924 * config/mips/mips.c: Fix compile time warning messages.
8925 * config/mips/mips-protos.h: Add prototype for equality_op.
8927 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
8929 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
8931 * mn10300.md: Use nonimmediate_operand instead of general_operand
8934 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
8936 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
8938 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
8939 * sh.c (expand_block_move): Break long lines.
8940 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
8941 * sh.md (mulsi3): Likewise.
8942 (movdi): Adjust spacing.
8944 2000-08-07 Richard Henderson <rth@cygnus.com>
8946 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
8947 * expr.c (emit_group_store): Don't set it.
8949 2000-08-07 Kazu Hirata <kazu@hxi.com>
8951 * invoke.texi (Options for Debugging Your Program or GCC): Remove
8952 duplicate entries for 'w' and 'z'.
8954 * flow.c: Fix a comment typo.
8956 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8958 * c-parse.in: Changed the language string for Objective-C to "GNU
8961 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8963 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
8964 to improve the Posix thread support for Objective-C.
8966 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
8968 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
8969 CTI_UNSIGNED_PTRDIFF_TYPE.
8970 (signed_size_type_node): Define.
8971 (unsigned_ptrdiff_type_node): Define.
8972 * c-decl.c (init_decl_processing): Create the
8973 signed_size_type_node and unsigned_ptrdiff_type_node types.
8974 * c-common.c (T_SC): Define.
8977 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
8978 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
8980 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
8981 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
8982 flags for %c, %s and %[.
8983 (check_format_info): Only allow leniency for signedness of targets
8984 of character pointers (when pedantic) for formats flagged with
8985 "c", so for strings but not for %hh formats. When pedantic, don't
8986 allow character pointers to substitute for void pointers if a
8987 second level of indirection is present.
8989 2000-08-06 Kazu Hirata <kazu@hxi.com>
8991 * invoke.texi (Options for Debugging Your Program or GCC): Update
8992 the names of dump files.
8994 * h8300.c (dosize): Rearrange code for conciseness.
8995 (split_adds_subs): Likewise.
8997 * loop.c: Fix formatting.
8999 * dwarf2out.c: Fix formatting.
9001 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
9003 * expr.c: Fix formatting.
9005 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9007 * rs6000.c (rs6000_maybe_dead): Prototype.
9009 2000-08-06 Richard Henderson <rth@cygnus.com>
9011 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
9012 HAVE_nonlocal_goto as well.
9013 * config/i960/i960.md (nonlocal_goto): Don't do it here.
9014 * config/pj/pj.md (nonlocal_goto): Likewise.
9016 2000-08-07 Michael Hayes <mhayes@cygnus.com>
9018 * loop.c (try_swap_copy_prop): New function.
9019 (load_mems): Rename copies to load_copies and add new regset
9020 store_copies. Check for sets of shadow registers and mark
9021 in store_copies. Call try_swap_copy_prop for registers
9022 marked in store_copies.
9024 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9026 * objc/objc-act.c: New command line option -fconstant-string-class
9027 to allow specifying a user defined constant string class,
9028 different from NXConstantString.
9030 * toplev.c: Moved the Objective-C specific options to
9031 objc/lang-options.h.
9033 * objc/lang-options.h: Moved the Objective-C specific options from
9034 toplev.c. Added -fconstant-string-class.
9036 2000-08-05 Chris Demetriou <cgd@sibyte.com>
9038 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9039 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
9040 __CTOR_LIST__ from func_ptr array to just func_ptr, to
9041 avoid extra alignment imposed on arrays.
9042 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9043 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
9045 * mips.h: Clean up comments and spacing near MASKs.
9046 (TARGET_UNIX_ASM): Delete.
9047 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
9048 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
9051 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
9053 * c-common.c (print_char_table): Add entries for the X/Open '
9054 format flag (print decimals with locale's thousands grouping
9055 character). Make %C expect wint_t.
9056 (check_format_info): If pedantic, warn when the %n$ operand
9057 number form is used. Allow for the ' flag; warn about it if
9060 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
9062 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
9063 type is a float mode, cfun->decl's return type is not, and
9064 TARGET_FLOAT_RETURNS_IN_80387.
9066 2000-08-04 Andreas Schwab <schwab@suse.de>
9068 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
9069 token list, which are always `#' and `pragma'.
9071 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
9073 * tree.c (tree_expr_nonnegative_p): Move to...
9074 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
9075 (rtl_expr_nonnegative_p): New.
9076 * tree.h: Add prototype for rtl_expr_nonnegative_p.
9078 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
9079 CONST_DOUBLE_CHAIN: Move to...
9080 * rtl.h: ...here. Use XCINT/XCEXP.
9082 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
9083 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
9084 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
9087 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
9089 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9091 * config/c4x/c4x.md (return_indirect_internal): New.
9092 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
9094 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9096 * c-common.c (time_char_table): Mark up formats added in C99 and
9097 make other corrections. %D and %g were added in C99. %Og is an
9098 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
9099 C99. %e was added in C99. %Oj is an extension. %G and %z are in
9100 C99 rather than GNU extensions, but %OG and %Oz are extensions.
9101 %h was added in C99. %C was added in C99. %OY and %OC are
9102 extensions. Add the C99 format %F.
9103 (check_format_info): If pedantic and not in C99 mode, warn for C99
9106 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9108 * function.c (schedule_fixup_var_refs): New function, broken out
9109 of put_reg_into_stack.
9110 (put_reg_into_stack): Use it.
9111 (put_var_into_stack): In CONCAT case, fixup up references for
9112 components only after fixing up references to the whole concat.
9114 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
9116 * alias.c (mark_constant_function): Use INSN_P.
9117 (init_alias_analysis): Likewise.
9118 * combine.c (combine_instructions): Use INSN_P.
9119 (can_combine_p): Likewise.
9120 (try_combine): Likewise.
9121 (distribute_notes): Likewise.
9122 (distribute_links): Likewise.
9123 * cse.c (cse_around_loop): Use INSN_P.
9124 (invalidate_skipped_block): Likewise.
9125 (cse_set_around_loop): Likewise.
9126 (cse_end_of_basic_block): Likewise.
9127 (delete_trivially_dead_insns): Likewise.
9128 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
9129 (unshare_all_rtl_1): Likewise.
9130 (next_cc0_user): Likewise.
9131 (try_split make_insn_raw): Likewise.
9132 (remove_unnecessary_notes): Likewise.
9133 * final.c (shorten_branches): Use INSN_P.
9134 (leaf_renumber_regs): Likewise.
9135 (leaf_renumber_regs_insn): Likewise.
9136 * flow.c (find_label_refs): Use INSN_P.
9137 (verify_wide_reg): Likewise.
9138 (notice_stack_pointer_modification): Likewise.
9139 (count_or_remove_death_notes): Likewise.
9140 (verify_flow_info): Likewise.
9141 (clear_log_links): Likewise.
9142 * function.c (fixup_var_refs_insns): Use INSN_P.
9143 (compute_insns_for_mem): Likewise.
9144 * gcse.c (alloc_gcse_mem): Use INSN_P.
9145 (compute_sets): Likewise.
9146 (compute_hash_table): Likewise.
9147 (classic_gcse): Likewise.
9149 (insert_insn_end_bb): Likewise.
9150 (delete_null_pointer_checks_1): Likewise.
9151 * global.c (expand_preferences): Use INSN_P.
9152 (build_insn_chain): Likewise.
9153 * graph.c (node_data): Use INSN_P.
9154 * haifa-sched.c (priority): Use INSN_P.
9155 (rm_line_notes): Likewise.
9156 (rm_other_notes): Likewise.
9157 (find_insn_reg_weight): Likewise.
9158 (init_target_units): Likewise.
9159 (schedule_block): Likewise.
9160 (compute_block_forward_dependences): Likewise.
9161 (debug_dependencies): Likewise.
9162 (set_priorities): Likewise.
9163 * integrate.c (function_cannot_inline_p): Use INSN_P.
9164 (save_parm_insns): Likewise.
9165 (copy_insn_list): Likewise.
9166 * jump.c (mark_all_labels): Use INSN_P.
9167 (never_reached_warning): Likewise.
9168 * lcm.c (optimize_mode_switching): Use INSN_P.
9169 * local-alloc.c (validate_equiv_mem): Use INSN_P.
9170 (memref_used_between_p): Likewise.
9171 (update_equiv_regs): Likewise.
9172 (block_alloc): Likewise.
9173 (no_conflict_p): Likewise.
9174 * loop.c (scan_loop): Use INSN_P.
9175 (find_and_verify_loops): Likewise.
9176 (count_loop_regs_set): Likewise.
9177 (loop_reg_used_before_p): Likewise.
9178 (strength_reduce): Likewise.
9179 (recombine_givs): Likewise.
9180 (check_dbra_loop): Likewise.
9181 (load_mems): Likewise.
9182 (try_copy_prop): Likewise.
9183 * print-rtl.c (print_rtx): Use INSN_P.
9184 * recog.c (find_single_use): Use INSN_P.
9185 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
9186 (next_flags_user): Likewise.
9187 (swap_rtx_condition): Likewise.
9188 * regmove.c (mark_flags_life_zones): Use INSN_P.
9189 (optimize_reg_copy_1): Likewise.
9190 (optimize_reg_copy_2): Likewise.
9191 (optimize_reg_copy_3): Likewise.
9192 (reg_is_remote_constant_p): Likewise.
9193 (fixup_match_2): Likewise.
9194 (regmove_optimize): Likewise.
9195 (fixup_match_1): Likewise.
9196 * regrename.c (build_def_use): Use INSN_P.
9197 (replace_reg_in_block): Likewise.
9198 (consider_use): Likewise.
9199 * reload.c (find_equiv_reg): Use INSN_P.
9200 * reload1.c (reload): Use INSN_P.
9201 (maybe_fix_stack_asms): Likewise.
9202 (calculate_needs_all_insns): Likewise.
9203 (reload_as_needed): Likewise.
9204 (emit_output_reload_insns): Likewise.
9205 (delete_address_reloads_1): Likewise.
9206 (reload_cse_regs_1): Likewise.
9207 (reload_combine): Likewise.
9208 (reload_cse_move2add): Likewise.
9209 * reorg.c (redundant_insn): Use INSN_P.
9210 (dbr_schedule): Likewise.
9211 * resource.c (find_dead_or_set_registers): Use INSN_P.
9212 (mark_target_live_regs): Likewise.
9213 * rtlanal.c (reg_used_between_p): Use INSN_P.
9214 (reg_referenced_between_p): Likewise.
9215 (reg_set_between_p): Likewise.
9216 (reg_set_p): Likewise.
9217 (single_set): Likewise.
9218 (multiple_sets): Likewise.
9219 (find_last_value): Likewise.
9220 (reg_set_last): Likewise.
9221 (find_reg_note): Likewise.
9222 (find_regno_note): Likewise.
9223 * sibcall.c (sequence_uses_addressof): Use INSN_P.
9224 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
9225 * ssa.c (find_evaluations): Use INSN_P.
9226 (rename_block): Likewise.
9227 (rename_equivalent_regs): Likewise.
9228 * unroll.c (loop_find_equiv_value): Use INSN_P.
9229 (set_dominates_use): Likewise.
9230 * varasm.c (mark_constant_pool): Use INSN_P.
9231 (mark_constants): Likewise.
9232 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
9233 (alphaev4_next_group): Likewise.
9234 (alphaev5_next_group): Likewise.
9235 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
9236 (c4x_rptb_rpts_p): Likewise.
9237 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
9238 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
9239 (rs6000_adjust_priority): Likewise.
9240 * config/sh/sh.c (sh_loop_align): Use INSN_P.
9241 (machine_dependent_reorg): Likewise.
9242 (split_branches): Likewise.
9243 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
9245 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
9247 * combine.c (recog_for_combine): Remove the old notes
9248 prior to attempting to recognize the new pattern.
9249 (distribute_notes): Ignore REG_NONNEG notes.
9251 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
9253 * varasm.c (output_constructor): Add .align 0 for packed vars.
9255 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9257 * configure.in: Use default thread_file even when enable_threads is
9258 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
9259 * configure: Rebuilt.
9261 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
9263 2000-08-04 Donn Terry (donnte@microsoft.com)
9265 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
9267 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9269 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
9270 Delete code that conditionally modifies 'version'.
9271 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
9272 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
9273 * gcc.c (main): Use it.
9274 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
9275 * prefix.c (update_path): Use it.
9276 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
9277 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
9278 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
9280 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
9281 (SUBTARGET_SWITCHES): Adjust.
9282 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
9284 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
9286 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9288 * c-common.h (flag_isoc94): Declare.
9289 * c-decl.c (flag_isoc94): Define.
9290 (c_decode_option): Set flag_isoc94 as appropriate.
9291 * c-common.c (T_PD, T_IM, T_UIM): Define.
9292 (format_char_info): Add tlen and jlen.
9293 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
9295 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
9297 (time_char_table): Add NULL entries for %t and %j.
9298 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
9299 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
9300 Warn for printf %lf if pedantic and not C99. Don't warn for empty
9301 precision. Allow precision argument to be unsigned int. If
9302 pedantic, warn for %p passed an argument not a pointer to possibly
9303 qualified void or a possibly qualified character type, and for
9304 pointer targets of the wrong sign, except for character pointers.
9306 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9308 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
9309 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
9310 (wint_type_node): Define.
9311 * c-decl.c (WINT_TYPE): Define.
9312 (init_decl_processing): Create the wint_type_node type.
9313 * c-common.c (T_WI): Define.
9314 (print_char_table): Use T_WI for %lc format.
9316 2000-08-04 Bruce Korb <bkorb@gnu.org>
9318 * fixinc/: Verified that the MSDOS patch does not break
9319 the UNIX functionality and applied the next three patches
9322 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
9324 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
9325 output file with the temporary one by appending ".X" to generate
9326 the temporary fuile's name. If the output file already has an
9327 extension, replace it with ".X".
9329 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
9330 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
9331 reallocate the command buffer while copying the command-line
9332 argument. Redirect the output directly to the temporary file,
9333 instead of going through another temporary file.
9334 (process): Close the temporary file before unlinking it.
9335 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
9336 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
9337 (run_compiles): Pass p_fixd argument to machine_matches, as it
9340 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
9341 environment, assume there are no symlinks in the include
9342 directory. When cleaning up the DONE files, look for them
9343 case-insensitively. Don't try to remove symlinks if they aren't
9346 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
9347 all callers changed. Declare pz "const char *", to avoid compiler
9350 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
9351 Change prototype of make_raw_shell_str.
9353 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
9355 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
9356 (initialize) [__MSDOS__]: Use tempnam.
9357 (initialize): Don't use SIGPIPE if it is not defined.
9359 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
9362 2000-07-25 Bruce Korb <bkorb@gnu.org>
9364 * fixinc/fix*.[ch]: substantially reworked to make it possible
9365 to run this program without using fork(2) or pipe(2) (i.e. in
9368 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9370 * cppdefault.h (WINT_TYPE): Define.
9371 * cppinit.c (builtin_array): Define __WINT_TYPE__.
9372 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
9373 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
9375 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
9377 * (mips_legitimate_address_p): Don't allow register+offset
9378 if the offset is large and negative, and we are compiling
9379 for 64 bit registers.
9381 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9383 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
9384 insn_code_number + 1.
9386 2000-08-04 Kazu Hirata <kazu@hxi.com>
9388 * h8300.c (function_prologue): Rearrange code for conciseness.
9389 (function_epilogue): Likewise.
9390 * h8300.h (OK_FOR_U): Fix formatting.
9392 * cse.c: Fix a comment typo. Fix formatting.
9394 2000-08-03 Richard Henderson <rth@cygnus.com>
9396 * config/i386/i386.md (return_indirect_internal): New.
9397 * config/i386/i386.c (ix86_expand_epilogue): Use it.
9399 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
9401 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
9403 (lex_line): Glue @ onto the beginning of identifiers and
9404 string constants, in Objective-C mode.
9405 (output_token, spell_token): Handle CPP_OSTRING.
9406 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
9407 beginning of a NAME or a STRING, in objc mode.
9409 * cpplib.c (get_define_node): Do not permit identifiers that
9410 begin with @ to be #defined.
9411 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
9412 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
9414 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
9415 * c-tree.h (build_objc_string): Delete prototype.
9416 * objc/objc-tree.def: Delete OBJC_STRING_CST.
9417 * c-lex.c (yylex): Use build_string for all three kinds of strings.
9419 * c-parse.in, objc/objc-act.c: Update commentary.
9421 2000-08-03 Mark Mitchell <mark@codesourcery.com>
9423 * extend.texi: Fix typo in last change.
9425 * extend.texi: Add commentary on statement-expressions and their
9426 interactions with C++.
9428 2000-08-03 Nick Clifton <nickc@cygnus.com>
9430 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
9431 * dwarf.h (LANG_JAVA): Change value to 0x000b.
9433 2000-08-03 Anthony Green <green@cygnus.com>
9435 * dwarf2out.c (gen_compile_unit_die): Add java language support.
9436 (add_bound_info): Check for java language.
9437 (is_java): New function.
9438 * dwarfout.c (output_compile_unit_die): Ditto.
9439 * dwarf.h (dwarf_source_language): Add java source language type.
9440 * dwarf2.h (dwarf_source_language): Ditto.
9442 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9444 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
9447 * i386.c (ix86_expand_branch): Mode of comparison in
9448 IF_THEN_ELSE is VOIDmode.
9450 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
9452 * gengenrtl.c, rtl.c: Avoid #elif.
9454 2000-08-03 Michael Poole <poole@troilus.org>
9456 * tm.texi (Register Classes): Clarify order of sub-initializers
9457 in REG_CLASS_CONTENTS.
9459 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9461 From SAITOH Masanobu:
9462 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
9464 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
9466 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
9467 is not supported by tradcpp and isn't actually needed for cygwin.
9469 2000-08-03 Kazu Hirata <kazu@hxi.com>
9471 * h8300.c: Fix a comment typo.
9472 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
9474 * jump.c: Fix formatting.
9476 * toplev.c: Fix formatting.
9478 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
9480 * flow.c (find_auto_inc): Verify that we've got a REG before
9481 peeking at its regno. Fail, don't abort if we can't find
9482 the increment of the desired register.
9484 * pa.md (shadd height reduction patterns/splitters): Remove.
9486 2000-08-02 Jim Wilson <wilson@cygnus.com>
9488 * config/ia64/ia64-protos.h (flag_ssa): Declare.
9489 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
9491 2000-08-02 Mark Mitchell <mark@codesourcery.com>
9493 * dce.c: Remove all uses of assert.
9494 * dwarf2out.c: Likewise.
9495 * dwarfout.c: Likewise.
9498 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9500 * gcc.h (lang_specific_driver): Constify second argument.
9501 * gcc.c (translate_options, process_command, main): Likewise.
9502 Constify variables to match. Cast second argument to
9505 * cppspec.c, gccspec.c: Adjust type of second argument to
9506 lang_specific_driver, and update code as necessary.
9508 2000-08-02 Jakub Jelinek <jakub@redhat.com>
9510 * loop.c (scan_loop): Ensure update_end label does not
9511 go away until reg_scan_update is run.
9513 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9515 * c-common.h: Prototype min_precision and c_build_qualified_type here...
9516 * c-tree.h: ... not here.
9517 * errors.h: Prototype fancy_abort.
9519 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
9520 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
9521 * regrename.c (regrename_optimize): Make control flow explicit.
9522 (replace_reg_in_block): Initialize reg_use to 0.
9524 * i386.c (legitimate_address_p): Rename error label to
9525 report_error to avoid namespace clash.
9527 2000-08-02 Kazu Hirata <kazu@hxi.com>
9529 * fold-const.c: Fix formatting.
9531 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
9533 * i386.c (legitimate_address_p): Accept other bases than
9534 pic_offset_table_rtx for GOTOFF constructs.
9536 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9538 * i386.md (shift to lea splitter): Use const_int_operand.
9540 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9542 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
9543 cppspec.c: Do not use 'legal' or 'illegal' in error messages
9546 * cppmain.c (cb_define, cb_undef): Don't generate any output
9547 if not done_initializing.
9548 * cpplex.c (maybe_paste_with_next): When the token after a ##
9549 is an omitted rest argument, only delete the token before it
9550 if that token is a comma. Do not warn about bogus token
9551 pastes for , ## rest_arg.
9554 * cpp.1: Regenerate.
9556 2000-08-02 Fred Fish <fnf@be.com>
9558 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
9559 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
9562 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
9563 Be directories to search path.
9565 Remove support for __declspec(dllimport) and __declspec(dllexport).
9566 This is leftover cruft from the earlier BeOS gcc port when BeOS
9567 used Microsoft's PE object file format.
9568 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
9569 * config/i386/t-beos (winnt.o): Remove Makefile frag.
9570 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
9571 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
9572 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9573 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
9574 (REDO_SECTION_INFO_P): Remove.
9575 (ASM_EXPORT_DECL): Remove.
9576 (ASM_DECLARE_FUNCTION_NAME): Remove.
9577 (ASM_DECLARE_OBJECT_NAME): Remove.
9578 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
9579 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
9580 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
9581 (STRIP_NAME_ENCODING): Remove.
9583 Remove support for obsolete version of BeOS that is no longer
9585 * configure.in (i*86-*-beospe*): Remove.
9586 * config/i386/beos-pe.h: Remove.
9588 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
9589 Mark Mitchell <mark@codesourcery.com>
9591 * Makefile.in (OBJS): Added dce.o.
9592 (ssa.o): Updated target to include ssa.h.
9594 (toplev.o): Likewise.
9595 (dce.o): Created target.
9596 * basic-block.h: Added comments.
9597 (INVALID_BLOCK): Added definition.
9598 (connect_infinite_loops_to_exit): Added declaration.
9599 Moved SSA declarations to ssa.h.
9600 * flow.c: Added inclusion of ssa.h.
9601 (struct depth_first_search_dsS, depth_first_search_ds):
9603 (compute_immediate_postdominators): Added definition.
9604 (connect_infinite_loops_to_exit): Likewise.
9605 (flow_dfs_compute_reverse_init): Likewise.
9606 (flow_dfs_compute_reverse_add_bb): Likewise.
9607 (flow_dfs_compute_reverse_execute): Likewise.
9608 (flow_dfs_compute_reverse_finish): Likewise.
9609 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
9610 (LABEL_P): Added definition.
9613 (BARRIER_P): Likewise.
9614 (JUMP_TABLE_DATA_P): Likewise.
9615 (INSN_DEAD_CODE_P): Likewise.
9616 * ssa.c: Replaced inclusions with ssa.h inclusion.
9617 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
9618 (rename_registers): Removed unnecessary variables.
9619 * ssa.h: Created by moving declarations from ssa.c and
9621 * timevar.def: Defined TV_DEAD_CODE_ELIM.
9622 * toplev.c: Added ssa.h inclusion.
9623 (dump_file_index): Added DFI_dce.
9624 (dump_file): Added "dce" entry.
9626 (f_options): Added dce entry.
9627 * invoke.texi: Document -fdce. Emphasize experimental status of
9631 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
9633 * cpperror.c (v_message): Split into _cpp_begin_message and
9634 v_message macro. All callers updated.
9635 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
9638 * cppfiles.c (cpp_syshdr_flags): New function.
9639 (read_include_file): Don't call cpp_output_tokens. Call
9641 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
9642 (cpp_reader_init): Don't initialize token_buffer. Call
9643 _cpp_init_internal_pragmas.
9644 (cpp_cleanup): Don't clear token_buffer.
9645 (cpp_start_read): Don't worry about output from -D processing.
9646 Don't call cpp_output_tokens.
9647 (cpp_finish): Don't dump macros here. Don't call
9649 * cppmacro.c (_cpp_dump_definition): Rename
9650 cpp_dump_definition. Write directly to a FILE *.
9651 (dump_funlike_macro): Delete.
9652 (dump_macro_args): New.
9654 * cpplex.c (TOKEN_LEN): Convert to inline function.
9655 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
9656 cpp_scan_line, _cpp_dump_list): Delete.
9657 (cpp_printf, cpp_output_list): New.
9658 (output_line_command): Don't worry about entering or leaving files.
9659 (cpp_scan_buffer): Just output each token as we hit it.
9660 (process_directive): Don't call cpp_output_tokens.
9661 (_cpp_glue_header_name): Don't use token_buffer.
9662 (output_token, dump_param_spelling): Write directly to a FILE *.
9664 * cpplib.c (pass_thru_directive, dump_macro_name,
9665 pragma_dispatch, do_pragma_gcc): Delete.
9666 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
9667 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
9669 (do_error, do_warning, pragma_dependency): Call
9670 _cpp_begin_message, then cpp_output_list.
9671 (cpp_register_pragma, cpp_register_pragma_space,
9672 _cpp_init_internal_pragmas): New.
9673 (do_pragma): Walk the pragmas table here.
9674 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
9675 do_pragma_dependency): Return void.
9676 (do_pragma_implementation): Moved to cppmain.c.
9678 * cpplib.h: Update prototypes.
9679 (struct cpp_reader): Remove printer, token_buffer,
9680 token_buffer_size, and limit. Add struct cb, and pragmas.
9681 (struct cpp_printer): Remove last_id and written.
9682 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
9683 CPP_ADJUST_WRITTEN): Delete.
9684 * cpphash.h: Update prototypes.
9685 (ufputs): New wrapper.
9687 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
9688 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
9689 (main): Set up callbacks. Register #pragma implementation.
9690 Dump macros from here.
9692 2000-08-01 Geoff Keating <geoffk@cygnus.com>
9694 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
9695 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
9696 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
9697 insns if they have a REG_MAYBE_DEAD note attached.
9698 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
9699 (rs6000_emit_load_toc_table): TOC loads may go dead.
9701 2000-08-01 Jim Wilson <wilson@cygnus.com>
9703 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
9704 type exists before using it. Use number of words as alignment
9706 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
9707 ia64_va_arg): Propagate ia64_function_args changes here.
9709 2000-08-01 Richard Henderson <rth@cygnus.com>
9711 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
9712 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
9714 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
9716 From Joern Rennecke:
9717 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
9718 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
9719 unless TARGET_SH3E is set.
9720 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
9722 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
9723 (ashlsi3_std): New pattern.
9724 (ashlsi3 expander): Use it for TARGET_SH3.
9725 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
9727 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9729 * loop.c (canonicalize_condition): Use destination, not source to
9730 determine SET's mode.
9732 2000-07-31 Mark Mitchell <mark@codesourcery.com>
9734 * flow.c (clear_log_links): Fix typo.
9736 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
9738 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
9739 on targets which need more than one insn for a compare/cbranch
9742 2000-07-31 Jim Wilson <wilson@cygnus.com>
9744 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
9745 when computing offset.
9747 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
9749 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
9751 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9753 * flow.c (clear_log_links): Nuke global_live_at_start and
9754 global_live_at_end data, since if the log_links stuff is invalid
9755 so is global_live_at_*.
9757 2000-07-31 Richard Henderson <rth@cygnus.com>
9759 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
9761 2000-07-31 Jakub Jelinek <jakub@redhat.com>
9763 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
9764 (_cpp_get_token): Don't macro expand a just pasted token if it
9765 was pasted at no_expand_level.
9767 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9769 * cppmacro.c (find_param, count_params, save_expansion):
9770 Permit 'defined' as a macro parameter name.
9772 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9774 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
9775 xcpp to cpp throughout.
9776 (native): Remove unnecessary dependency on cpp.
9778 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
9779 tradcpp to tradcpp0.
9780 (.i spec): Add missing output-file spec to cc1 command line.
9781 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
9783 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
9785 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
9786 (implicit_decl_warning): New function.
9787 (implicitly_declare): Use it.
9788 * c-typeck.c (build_external_ref): Use implicit_decl_warning
9789 to complain about implicit decls of builtins.
9791 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
9792 based on pedantic && flag_isoc99, if not already set.
9793 * c-tree.h: Declare mesg_implicit_function_declaration.
9794 Prototype implicit_decl_warning.
9796 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
9798 * Makefile.in (ssa.o): Updated header files in dependences.
9799 * basic-block.h: Added compute_immediate_postdominators declaration.
9800 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
9802 * flow.c (compute_immediate_dominators): Updated comment.
9803 (compute_immediate_postdominators): Added definition.
9804 * rtl.h (HARD_REGISTER_P): Added definition.
9805 * ssa.c: Include additional header files.
9806 (assert): Added definition.
9807 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
9808 include select hard registers.
9809 (ssa_rename_to_insert): Likewise.
9810 (ssa_rename_from_initialize): Likewise.
9811 (ssa_rename_from_lookup): Likewise.
9812 (original_register): Likewise.
9813 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
9814 include select hard reigsters.
9815 (ssa_rename_from_traverse): Likewise.
9816 (ssa_rename_from_free): Likewise.
9817 (ssa_rename_from_print): Likewise.
9818 (ssa_rename_from_print_1): Likewise.
9819 (ssa_rename_from_hash_function): Likewise.
9820 (ssa_rename_from_equal): Likewise.
9821 (ssa_rename_from_delete): Likewise.
9822 (simplify_to_immediate_dominators): Removed in favor of
9823 flow.c:compute_immediate_dominators.
9824 (find_evaluations_1): Modified to work with hard registers.
9825 (insert_phi_node): Likewise.
9826 (insert_phi_nodes): Likewise.
9827 (struct rename_set_data): Updated prev_reg comment.
9828 (create_delayed_rename): Modified to work with hard registers.
9829 (RENAME_NO_RTX): Updated comment.
9830 (apply_delayed_renames): Modified to work with hard registers.
9831 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
9832 (rename_block): Updated to use revised ssa_rename_to interface.
9833 (rename_registers): Updated to use revised ssa_rename_to and
9834 ssa_rename_from interface.
9835 (convert_to_ssa): Revised to use compute_immediate_dominators and
9836 deal with hard registers.
9837 (make_regs_equivalent_over_bad_edges): Modified to work with hard
9838 registers. Added check for illegal unification of hard register.
9839 (make_equivalent_phi_alternatives_equivalent): Modified to work
9840 with hard registers.
9841 (compute_conservative_reg_partition): Likewise.
9842 (coalesce_if_unconflicting): Modified to work with hard registers
9843 and check for conflicting hard registers.
9844 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
9846 (rename_equivalent_regs_in_insn): Modified to work with hard
9848 (record_canonical_element_1): Added definition.
9849 (check_hard_regs_in_partition): Added definition.
9850 (convert_from_ssa): Added data structure deallocation and check
9851 for illegal hard register unification.
9852 (conflict_hard_regs_p): Added definition.
9853 * toplev.c (rest_of_compilation): Added comment.
9855 2000-07-31 Anthony Green <green@redhat.com>
9857 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
9859 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
9861 * builtins.c (expand_builtin_apply): Don't defer pop during
9864 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9866 * calls.c (combine_pending_stack_adjustment_and_call): Only use
9867 preferred_unit_stack_boundary when it is > 1.
9869 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
9871 * c-common.c (init_function_format_info): Add C99 format functions
9874 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
9875 void' or 'register void' as being the special case of 'void' alone
9876 in a parameter list.
9878 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
9879 discarding qualifiers into a plain warning.
9881 2000-07-31 Kazu Hirata <kazu@hxi.com>
9883 * combine.c: Fix formatting.
9885 * h8300.md: Fix formatting.
9887 * local-alloc.c: Fix formatting.
9889 * h8300.c (get_shift_alg): Remove the variable alg.
9890 (emit_a_shift): Rearrange code to improve readability.
9892 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
9894 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
9895 HImode on all architectures and a combination of HImode and SImode
9896 on H8/300H and H8/S.
9898 * h8300.c (split_adds_subs): Rearrange code for conciseness.
9900 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
9902 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
9905 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9907 * recog.c (extract_insn): Set operand_mode according to
9908 operand if match_operand is VOIDmode.
9910 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
9912 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
9914 2000-07-31 Geoff Keating <geoffk@cygnus.com>
9916 * c-parse.in (extdefs): Call ggc_collect between external
9919 2000-07-30 Michael Hayes <mhayes@cygnus.com>
9920 Richard Henderson <rth@cygnus.com>
9922 * Makefile.in (OBJS): Add doloop.o.
9923 * doloop.c: New file.
9925 * final.c (insn_current_reference_address): Return 0 before final.
9926 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
9927 * jump.c (any_uncondjump_p): Likewise.
9928 * loop.c (indirect_jump_in_function): Make static.
9929 (strength_reduce): Call doloop_optimize.
9930 (insert_bct, instrument_loop_bct): Remove.
9931 * loop.h (doloop_optimize): Prototype.
9932 * recog.c (split_all_insns): Split all INSN_P.
9933 * toplev.c (flag_branch_on_count_reg): Default on.
9935 * config/c4x/c4x.c (c4x_optimization_options): Don't set
9936 flag_branch_on_count_reg.
9937 * config/i386/i386.c (override_options): Likewise.
9938 * config/rs6000/rs6000.c (optimization_options): Likewise.
9940 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
9942 (dbra_ge): Remove, as well as all it's splitters.
9944 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
9947 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
9948 (ia64_register_move_cost): Declare.
9949 * config/ia64/ia64.c (ar_lc_reg_operand): New.
9950 (struct ia64_frame_info): Add ar_size.
9951 (ia64_compute_frame_size): Set it.
9952 (save_restore_insns): Save and restore ar.lc.
9953 (ia64_register_move_cost): New, moved from header file. Handle
9954 application registers.
9955 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
9956 (emit_insn_group_barriers): Special case doloop_end_internal.
9957 (ia64_epilogue_uses): Mark ar.lc live at end.
9958 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
9959 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
9960 (FIRST_PSEUDO_REGISTER): Make room.
9961 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
9962 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
9963 (REG_ALLOC_ORDER): Update.
9964 (HARD_REGNO_MODE_OK): Update.
9965 (REGISTER_NAMES): Update.
9966 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
9967 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
9968 (REGNO_REG_CLASS): Update.
9969 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
9970 (REGISTER_MOVE_COST): Move out of line.
9971 (PREDICATE_CODES): Update.
9972 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
9973 (addsi3_plus1_alt, adddi3_plus1_alt): New.
9974 (shladd_elim splitter): Allow constants in the predicate.
9975 (doloop_end, doloop_end_internal): New.
9977 2000-07-30 Richard Henderson <rth@cygnus.com>
9979 * genattrtab.c (struct insn_def): Add lineno member.
9980 (struct insn_ent): Likewise.
9981 (struct attr_desc): Likewise.
9982 (struct delay_desc): Likewise.
9983 (struct function_unit_op): Likewise.
9984 (struct function_unit): Likewise.
9985 (check_attr_value): Use message_with_line.
9986 (check_defs): Likewise.
9987 (expand_units): Likewise.
9988 (check_attr_test): Take a lineno argument.
9989 (gen_attr): Likewise.
9990 (gen_insn): Likewise.
9991 (gen_delay): Likewise.
9992 (gen_unit): Likewise.
9993 (main): Give it to them.
9994 (convert_set_attr_alternative): Take an insn_def argument
9995 instead of num_alt and insn_index.
9996 (convert_set_attr): Likewise.
9997 (write_test_expr): Protect INSN_ADDRESSES load
9998 with INSN_ADDRESSES_SET_P.
10000 2000-07-30 Richard Henderson <rth@cygnus.com>
10002 * flow.c (init_propagate_block_info): Use pc_set.
10004 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10006 * i386.md (*lea_general_[123]) New insns and splits.
10007 (addsi3 to lea splitter): Handle other modes too.
10008 (shlsi3 to lea splitter): Likewise.
10009 (addhi_1_lea, shlhi_1_lea): New patterns.
10010 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
10012 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10014 * recog.c (general_operand, nonimmediate_operand): Accept
10015 any mode for VOIDmode CONSTANT_P operands.
10017 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10019 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
10020 instead of replace_rtx.
10021 * recog.c (validate_replace_rtx_subexp): New function.
10022 * recog.h (validate_replace_rtx_subexp): Declare.
10024 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10026 * combine.c (simplify_set, make_extraction, make_compound_operation
10027 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
10028 as force_to_mode argument.
10030 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
10032 * combine.c (if_then_else_cond): Be sure that mode fits in
10035 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
10037 * combine.c (record_promoted_value): Allow bitsize of mode
10038 to be equivalent to HOST_BITS_PER_WISE_INT.
10040 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10042 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
10043 Do not call gen_mode_alignment when mode is BLKmode.
10045 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
10047 * loop.c (express_from_1): Fix call of simplify_gen_binary.
10049 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
10051 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
10052 VOIDmode implies both operands to be VOIDmode.
10053 (simplify_ternary_operation): Compute properly the mode of comparison.
10054 * combine.c (combine_simplify_rtx): Likewise.
10056 2000-07-25 Michael Hayes <mph@paradise.net.nz>
10058 * basic-block.h (struct loops): New field rc_order.
10059 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
10060 (flow_loops_free): Free rc_order.
10061 (flow_depth_first_order_compute): New parameter rc_order.
10062 (flow_loops_find): Allocate rc_order and swap usage with
10065 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10066 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10068 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
10069 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
10070 (nodb_call, return_from_epilogue): Likewise.
10071 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
10072 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
10073 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
10074 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10075 (c4x_valid_type_attribute_p): Likewise.
10076 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
10077 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
10079 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10081 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
10082 and loadhi_big_constant if applicable.
10083 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
10084 and add new splitter.s
10086 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10088 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
10090 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10092 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
10094 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10096 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
10098 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10100 * config/c4x/libgcc.S (divqf3): Improve accuracy.
10102 2000-07-27 Mark Mitchell <mark@codesourcery.com>
10104 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
10105 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
10106 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
10107 (get_prev_bb_note): Likewise.
10108 (remove_scope_notes): Likewise.
10109 * flow.c (commit_one_edge_insertion): Likewise.
10110 (merge_blocks_nomove): Likewise.
10111 (verify_flow_info): Likewise.
10112 * gcse.c (insert_insn_end_bb): Likewise.
10113 * reg-stack.c (emit_swap_insn): Likewise.
10114 * ssa.c (first_insn_after_basic_block_note): New function.
10115 (insert_phi_node): Use it.
10116 (rename_block): Likewise.
10117 (eliminate_phi): Likewise.
10118 (make_regs_equivalent_over_bad_edges): Likewise.
10119 (make_equivalent_phi_alternatives_equivalent): Likewise.
10120 (for_each_successor_phi): Likewise.
10121 (convert_from_ssa): Modify phi-node deletion algorithm.
10123 2000-07-29 Andreas Jaeger <aj@suse.de>
10125 * configure.in (mips*-*-linux*): Use mips*el to check for little
10126 endian MIPS, add tmake_file.
10128 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
10129 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
10130 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
10132 2000-07-28 Richard Henderson <rth@cygnus.com>
10134 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
10135 Sign extend mode size before negating.
10137 2000-07-28 Richard Henderson <rth@cygnus.com>
10139 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
10141 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
10143 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
10144 (cse_insn): Likewise.
10145 (addr_affects_sp_p): Likewise.
10146 * expr.c (move_by_pieces): Likewise.
10147 (clear_by_pieces): Likewise.
10148 * gcse.c (oprs_unchanged_p): Likewise.
10149 * haifa-sched.c (sched_analyze_2): Likewise.
10150 * recog.c (offsettable_address_p): Likewise.
10151 * regclass.c (record_address_regs): Likewise.
10152 * reload.c (find_reusable_reload): Likewise.
10153 (push_reload): Likewise.
10154 (operands_match_p): Likewise.
10155 (decompose): Likewise.
10156 (find_reloads_address_1): Likewise.
10157 (find_inc_amount): Likewise.
10158 * reload1.c (elimination_effects): Likewise.
10159 * resource.c (mark_set_resources): Likewise.
10160 * flow.c (attempt_auto_inc): New function; mostly broken out
10162 (find_auto_inc): Split into two functions and enhanced to
10163 generate POST_MODIFY.
10164 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
10165 * rtl.h (count_all_occurrences): Declare.
10166 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
10168 * rtlanal.c (count_all_occurrences): New function.
10169 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
10170 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
10172 * config/ia64/ia64-protos.h (destination_operand): Declare.
10173 * config/ia64/ia64.c (destination_operand): New function.
10174 (ia64_print_operand): Handle POST_MODIFY.
10175 (rtx_needs_barrier): Likewise.
10176 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
10177 (HAVE_POST_MODIFY_REG): Define to 1.
10178 (MAX_REGS_PER_ADDRESS): Change to 2.
10179 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
10180 (LEGITIMATE_ADDRESS_REG): New helper macro.
10181 (LEGITIMATE_ADDRESS_DISP): Likewise.
10182 (PREDICATE_CODES): Add entry for destination_operand.
10183 * config/ia64/ia64.md (all mov patterns): Use destination_operand
10184 predicate for operand 0.
10186 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10188 * dwarf2out.c: Indent #error directive.
10190 * gbl-ctors.h: Fix typo in comment.
10191 (__do_global_ctors): Prototype.
10193 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10195 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10196 (print_operand): Initialize variable `t'.
10198 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10200 * config/arm/arm.md ("call_value"): removed constraints.
10201 Constraints are ignored in expanders.
10202 (*call_value_reg): split =rf into various constraints.
10203 (*call_value_mem): same
10204 (*call_value_symbol): same
10205 (*sibcall_value_insn): same
10207 2000-07-28 Philipp Thomas <pthomas@suse.de>
10209 * install.texi (--enable-nls): Change the description of the NLS
10210 related configure options to match the current state.
10211 (--with-included-gettext): Likewise.
10212 (--enable-maintainer-mode): New description added.
10213 * extend.texi (-fstrict-prototype): Add missing '.'.
10215 2000-07-27 Jim Wilson <wilson@cygnus.com>
10217 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
10218 DECL_INITIAL (decl) == NULL_TREE.
10220 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
10222 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
10223 on insn-attr.h with it.
10224 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
10225 * insn-addr.h: New header.
10226 (insn_addresses_): Renamed from insn_addresses.
10227 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
10228 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
10229 INSN_ADDRESSES_NEW): New macros.
10230 * genattrtab.c (write_test_expr): Use new macros.
10231 * final.c (insn_addresses, init_insn_lengths): Likewise.
10232 (align_fuzz, shorten_branches): Likewise.
10233 (final): Likewise. Do not reject new insns if their addresses
10234 have been added to INSN_ADDRESSES.
10235 * config/arm/arm.c, config/avr/avr.c: Use new macros.
10236 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
10237 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
10238 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
10239 * config/sh/sh.c: Likewise.
10240 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
10242 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
10244 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
10246 * gcc.c (struct prefix_list): Add member priority.
10247 (enum path_prefix_priority): Declare.
10248 (add_prefix): Replace ``first'' with ``priority''. Append new
10249 entry but keep list in priority order.
10250 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
10251 PREFIX_PRIORITY_LAST to add_prefix.
10252 (process_command): Move include kludge - foo/stageN - to before
10255 2000-07-27 Jason Merrill <jason@redhat.com>
10257 * dwarf2out.c (gen_typedef_die): Abort if we get identical
10258 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
10260 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
10262 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
10263 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
10265 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
10267 * c-decl.c (finish_function): Don't treat 'main' specially unless
10268 flag_hosted. In C99 mode, return 0 from 'main' unless
10269 DEFAULT_MAIN_RETURN is otherwise defined.
10271 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
10272 parameters defaulting to int in an old-style function definition.
10274 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10276 * c-parse.in (string): For -Wtraditional, warn about string
10277 concatenation only once per line.
10279 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
10281 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
10282 for HI-UX/WE2 systems.
10284 2000-07-24 Bruce Korb <bkorb@gnu.org>
10286 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
10287 defining the __xxx_TYPE__ macros.
10288 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
10289 * fixincl/fixlib.h: don't need to include "tm.h" anymore
10290 * fixincl/inclhack.def(type_map): now obsolete
10292 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
10294 * cpp.texi: Append a trailing full-stop to xrefs where needed.
10296 2000-07-26 Dave Pitts <dpitts@cozx.com>
10298 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
10300 (mvs_hash_alias): New function.
10301 (mvs_add_alias): Change argument spacing.
10302 (mvs_need_alias): Change aliasing criteria. Added documentation.
10303 (mvs_get_alias): Change to use hashed name. The hashed name prevents
10304 CSECT name collisions.
10305 (mvs_check_alias): Likewise.
10306 (handle_pragma): Change documentation.
10307 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
10308 mode from SImode to DImode.
10309 (iorhi3): Changed LTORG size for insn.
10311 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
10313 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
10314 mem if the address is a mode_dependent_address_p.
10316 2000-07-26 Kazu Hirata <kazu@hxi.com>
10318 * h8300.c (print_operand): Print ":8" when the 'R' operand is
10319 suitable for 8-bit absolute.
10320 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
10321 (OK_FOR_U): Add a case for the 8-bit constant address on the
10324 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
10326 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
10327 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
10328 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
10329 lack of implemented alignment.
10331 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
10333 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
10334 cross-compiling between 64-bit and 32-bit machines.
10336 2000-07-27 Richard Henderson <rth@cygnus.com>
10338 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
10339 (movhicc_astep, movhi_internal_astep): New.
10340 (movsicc_astep, movsi_internal_astep): New.
10341 (movdicc_astep, movdi_internal_astep): New.
10342 (movsfcc_astep, movsf_internal_astep): New.
10343 (movdfcc_astep, movdf_internal_astep): New.
10344 (movxfcc_astep, movxf_internal_astep): New.
10345 (cmovdi_internal_astep, cmovsi_internal_astep): New.
10346 Unify the cmov[ds]i splitters.
10348 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
10350 * real.c (asctoeg): Rename `error' label to unexpected_char_error
10352 2000-07-26 Nick Clifton <nickc@cygnus.com>
10354 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
10355 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
10357 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
10358 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
10360 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
10362 * c-decl.c (finish_enum): Convert enumerations that fit in an
10364 (build_enumerator): In pedantic mode, cast to `int' those that
10367 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
10369 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
10371 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10373 * sh.md (cmpgtdi_t): Must be split.
10374 (cmpgtdi_t+1): New splitter.
10376 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10378 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
10379 warnings for indented directives even if we are skipping.
10381 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
10383 * invoke.texi (strict-prototypes): Remove.
10384 * extend.texi (Deprecated Features): Add strict-prototypes.
10385 (Backwards Compatibility): New node.
10387 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10389 * config/i386/i386.md (andsi_1+1): Allow HImode.
10390 (andsi_1+2): Require q_regs_operand.
10392 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10394 * config/i386/i386.md (call_pop): Check operands[0],
10395 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10397 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10398 (call_value): Likewise.
10400 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10402 * toplev.c (pipe_closed): Delete.
10403 (crash_signal): New. Generate ICE for a fatal signal.
10404 (float_signal): Call crash_signal outside a float-handler
10406 (main): Install crash_signal as handler for core-dumping signals.
10408 2000-07-25 David Edelsohn <edelsohn@gnu.org>
10410 * rs6000.c (print_operand, case 'T'): New case.
10412 * rs6000.md (call_indirect_aix32): Convert to expander of
10413 scheduled instructions.
10414 (call_indirect_aix64): Likewise.
10415 (call_value_indirect_aix{32,64}): Likewise.
10416 (call, call_value): Invoke expanders for AIX. Fall through to
10418 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
10419 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
10420 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
10421 only "g" constraint.
10422 (call_nonlocal_aix64): Likewise.
10423 (call_value_nonlocal_aix{32,64}): Likewise.
10424 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
10426 (call_value_nonlocal_sysv): New pattern.
10427 (indirect_jump{si,di}): Use new 'T' modifier.
10428 (tablejump{si,di} matchers): Likewise.
10429 (return_internal_{si,di}): Likewise.
10430 (return_eh_{si,di}): Likewise.
10432 2000-07-24 Richard Henderson <rth@cygnus.com>
10434 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
10435 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
10436 * config/ia64/ia64.md (movdi_internal): Use it.
10438 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
10440 * cppexp.c: Warn about unary + if -Wtraditional.
10441 * cpplex.c (lex_line): Always set BOL on the first token of a line.
10443 2000-07-24 Michael Meissner <meissner@redhat.com>
10445 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
10448 2000-07-24 Nick Clifton <nickc@cygnus.com>
10450 * config/arm/arm.c (emit_multi_reg_push): Generate a
10451 REG_FRAME_RELEATED_NOTE that is compatable with the code in
10452 dwarf2out_debug_frame_expr.
10454 2000-07-24 Jason Merrill <jason@redhat.com>
10456 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
10457 UNALIGNED_INT_ASM_OP.
10458 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
10459 a location expression.
10460 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
10461 assume indirect access if we're saving the CFA address exactly.
10463 * Makefile.in (bootstrap): Move -BstageN/ to the end.
10465 2000-07-24 Jakub Jelinek <jakub@redhat.com>
10467 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
10470 2000-07-24 Michael Meissner <meissner@redhat.com>
10472 * invoke.texi (D30V Options): Add d30v options.
10474 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
10476 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
10477 needed by our gcse pass anymore.
10478 (free_pre_mem): Corresponding changes.
10479 (compute_pre_data): Do not call compute_transpout anymore.
10481 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
10482 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
10485 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
10486 (compute_pre_data): Do it here instead.
10488 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
10490 (pre_delete): Corresponding changes.
10492 2000-07-23 Mark Mitchell <mark@codesourcery.com>
10494 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
10495 to figure out whether or not a variable has already been emitted.
10497 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
10499 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
10500 instead of gen_call.
10502 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
10504 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
10506 2000-07-23 Kazu Hirata <kazu@hxi.com>
10508 * h8300.c: Fix formatting.
10510 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
10512 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
10513 for `long' switch expression into a plain warning.
10515 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
10516 (yylex): Don't pedwarn for "inline" in C99 mode.
10518 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
10520 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
10521 ggc_alloc): Likewise.
10522 * bb-reorder.c (dump_scope_forest_1): Likewise.
10524 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
10526 * reload.c (find_reloads_toplev): Add new parameter
10527 "address_reloaded".
10528 (find_reloads): Add new parameter to find_reloads_toplev calls.
10530 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
10532 * collect2.c (main): Typo fixed.
10533 * diagnostic.c: Typo fixed.
10534 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
10535 * eh-common.h: Typo fixed.
10536 * emit-rtl.c (start_sequence): Typo fixed.
10537 * flow.c (find_label_refs): Typo fixed.
10538 (calculate_global_regs_live): Typo fixed.
10539 (mark_regno_cond_dead): Typo fixed.
10540 (create_edge_list): Typos fixed.
10541 (verify_edge_list): Typo fixed.
10542 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
10543 * loop.c (strength_reduce): Typo in function name fixed.
10544 * rtl.h: Added comments. Typo in function name fixed.
10545 * rtlanal.c: Typo in function name fixed.
10546 (insn_dependant_p): Rename to ...
10547 (insn_dependent_p): ... this.
10548 (computed_jumo_p): Typo fixed.
10550 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10552 * system.h (__FUNCTION__): Wrap definition in #ifndef.
10554 2000-07-21 David Edelsohn <edelsohn@gnu.org>
10556 * rs6000.h (SIZE_TYPE): Define.
10558 2000-07-21 Mark Mitchell <mark@codesourcery.com>
10560 * ssa.c (rename_insn_1): Don't rename registers that are
10563 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
10565 * diagnostic.c (trim_filename, fancy_abort): Moved here from
10567 (fatal_function, set_fatal_function): Removed.
10568 (fatal): Don't prepare for or call the fatal_function.
10569 (diagnostic_lock, error_recursion): New.
10570 (diagnostic_for_decl, report_diagnostic): Guard against
10571 re-entering the error reporting routines.
10572 (fancy_abort): Assume function is not NULL.
10574 * errors.c (fancy_abort): New. Assume function is not NULL.
10575 * tradcpp.c (fancy_abort): Assume function is not NULL.
10577 * system.h: Provide default definition of __FUNCTION__.
10578 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
10579 Always use __FUNCTION__ in definition of abort.
10580 * tree.h: Likewise.
10581 * varray.h: Likewise.
10582 * toplev.h: Likewise. Don't prototype set_fatal_function.
10584 2000-07-20 Geoff Keating <geoffk@cygnus.com>
10586 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
10588 * glimits.h: Don't do #if defined for ARCH_PPC.
10590 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
10591 constants of size no larger than a pointer should go in the TOC.
10592 Add 'MODE' parameter.
10593 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
10594 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
10595 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
10596 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
10597 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
10598 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
10599 (rs6000_legitimize_address): Likewise.
10600 (rs6000_emit_move): Likewise.
10601 (rs6000_select_rtx_section): Likewise.
10602 (output_toc): Deal properly with outputting small constants like
10603 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
10604 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
10605 MODE parameter. Put small constants in the TOC.
10607 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
10609 (rs6000_emit_move): When reload calls us with an illegitimate
10610 address, exit early. Move the change_address calls to one place
10611 at the end of the routine. Merge the SImode and DImode expanders.
10612 When called by reload to put an integer into a FP register, force
10615 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
10617 (rs6000_hash_constant): Hash mode too.
10618 (toc_hash_function): Allow for key_mode.
10619 (toc_hash_eq): Structures are different if key_mode differs.
10620 (output_toc): Add 'mode' parameter. Save key_mode.
10621 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
10622 Pass 'mode' parameter.
10623 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
10625 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
10626 for vtable references.
10628 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
10629 choice, don't put integer values in FP regs.
10631 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
10633 * flow.c (verify_flow_info): Revamp code to verify that the
10634 head and end of each basic block are in the insn chain.
10636 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
10638 * gcse.c (record_one_set): Prepend instead of append onto
10639 reg_set_table, making it O(n) instead O(n^2).
10640 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
10641 Use a queue instead of a stack as worklist.
10643 2000-07-20 Kazu Hirata <kazu@hxi.com>
10645 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
10646 * h8300.h (OK_FOR_T): New.
10647 (EXTRA_CONSTRAINT): Support OK_FOR_T.
10648 * h8300.md: Use inc/dec.[wl] for increment/decrement
10649 by 1 and 2 in HI and SI modes.
10651 2000-07-20 Jim Wilson <wilson@cygnus.com>
10653 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
10654 larger than 14 bits.
10656 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
10658 * cppmacro.c (CAN_PASTE_AFTER): New macro.
10659 (count_params): Don't set GNU_REST_ARGS on anything.
10660 (save_expansion): Set PASTE_LEFT only on tokens for which
10661 CAN_PASTE_AFTER is true, or which are named operators.
10663 * cpplex.c (parse_args): Distinguish between a rest argument
10664 given one empty argument, and a rest argument given zero arguments.
10665 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
10666 deletion of previous token based on that.
10667 (get_raw_token): Flatten some control structure.
10669 * cpplib.h (CPP_LAST_EQ): Correct.
10670 (VOID_REST): New token flag.
10671 (GNU_REST_ARGS): Delete.
10673 * tradcpp.c (main): Don't munge -D options.
10674 (make_definition): Bring -D handling in line with cpplib.
10675 (do_define): Strip all leading whitespace from macro definitions.
10677 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
10679 * Makefile.in (tradcpp): Depend on intl.o and version.o.
10681 2000-07-20 Bruce Korb <bkorb@gnu.org>
10683 * fixincl/check.tpl: strip the platform specific types before testing
10684 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
10685 * fixincl/fixincl.tpl: use platform specific types
10686 * fixincl/fixlib.h: include the platform specific types
10687 * fixincl/inclhack.def(gnu_types): don't supply the types
10688 * fixincl/fixincl.x: regen
10690 2000-07-19 Jim Wilson <wilson@cygnus.com>
10692 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
10695 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10697 * tradcpp.c (rescan): Do not recognize directives when the #
10700 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10702 Implement C++ named operators.
10704 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
10705 of operators allowed in #if and having an _EQ variant. Add
10706 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
10707 (cpp_token flags): Add NAMED_OP.
10708 (enum node_type): Add T_OPERATOR.
10709 (struct cpp_hashnode): Add code slot to value union.
10710 * cpphash.h (spec_nodes): Remove n_defined.
10712 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
10713 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
10714 (is_macro_disabled): Tweak error messages.
10716 * cpplib.c (get_define_node): Disallow all named operators as
10717 macro names. Tweak error messages.
10718 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
10720 * cppinit.c (builtin_array): Add entries for the named operators.
10721 * cppexp.c (lex): Check for CPP_DEFINED token.
10722 (priority table): Add entries for CPP_MIN and CPP_MAX.
10723 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
10725 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
10727 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
10728 larger than the array of cuids.
10729 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
10732 2000-07-19 Bruce Korb <bkorb@gnu.org>
10734 * fixinc/fixincl.c: Convert to using a table of environment variables
10735 and activate the auto-edit marker on the fixed output files.
10736 * fixinc/fixlib.h: Define the environment table
10737 * fixinc/fixincl.sh: export the ${INPUT} dir
10738 * fixinc/check.tpl: likewise
10740 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10742 * gcc.c (.h spec): Fix typo.
10744 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
10746 * Makefile.in: Fix tradcif.c path.
10748 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
10750 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
10753 * cpphash.h (TOKEN_NAME): New macro.
10754 (_cpp_spell_operator): Deleted.
10755 (token_spellings): Now _cpp_token_spellings.
10757 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
10758 * cpplex.c: Use OP and TK macros when expanding the
10759 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
10760 store the stringification of the enumeration name (CPP_CHAR,
10761 etc.) in the name slot of token_spellings.
10762 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
10763 token_spellings directly.
10764 * cpplib.c: Use TOKEN_SPELL.
10766 * cpplex.c (_cpp_push_token): If the token being pushed back
10767 is the previous token in this context, just subtract one from
10769 * cppmacro.c (save_expansion): Clear aux field when storing a
10772 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10774 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
10775 buffer, provided it is not NULL.
10777 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
10779 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
10780 case of invalid volatile re-declaration.
10782 2000-07-18 Jakub Jelinek <jakub@redhat.com>
10784 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
10785 (expand_call): Adjust caller.
10787 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
10789 * diagnostic.h (report_diagnostic): Change prototype.
10791 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
10792 diagnostic_for_decl): Change prototype.
10793 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
10794 error, warning, error_with_file_and_line,
10795 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
10796 Adjust call to report_diagnostic, diagnostic_for_decl.
10797 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
10798 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
10800 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
10801 varaible argument list.
10803 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10805 * cpphash.c: Don't include hashtab.h. Most macro-handling code
10806 moved to cppmacro.c.
10807 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
10808 dump_hash_helper): Delete.
10809 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
10810 cpp_forall_identifiers): New. Implement specialized version of
10811 Vlad's expandable hash table.
10812 (cpp_lookup): Use new functions.
10813 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
10815 * cppmacro.c: New file.
10816 * cppinit.c (dump_macros_helper): New.
10817 (cpp_finish): Iterate over the identifier table directly.
10818 * cpplex.c (parse_name): Calculate the hash of the identifier
10819 while we scan it. Use _cpp_lookup_with_hash when we can.
10821 * cpphash.h: Update prototypes.
10822 (xcnewvec, HASHSTEP): New helper macros.
10823 * cpplib.h: Update prototypes.
10824 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
10825 (cppmacro.o): New rule.
10826 (cpphash.o): Update deps.
10828 * cppmain.c: Do not set pfile->printer if no_output is on.
10830 2000-07-15 Neil Booth <neilb@earthling.net>
10832 * cpplib.c: Change all directive-handler functions to return
10834 * cpphash.h: Update typedefs.
10836 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10838 * configure: Regenerate.
10840 * extend.texi (Extended Asm): Mention that a memory clobber
10841 does not count as a side-effect.
10843 * unroll.c (copy_loop_body): Fix one instance of using host
10844 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
10847 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
10849 2000-07-17 Richard Henderson <rth@cygnus.com>
10851 * config/ia64/ia64.md (movdi): Split out load address code.
10852 New post-reload splitter for symbolic operands.
10853 (movdi_internal): Abort if we didn't split symbolic operands
10854 when we should have.
10855 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
10856 (ia64_reorg): Split insns when not optimizing.
10857 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
10859 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10861 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
10862 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
10864 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10866 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
10868 2000-07-17 Jason Merrill <jason@redhat.com>
10870 * Makefile.in (clean): Remove libgcc directory.
10872 * configure.in (-Wno-long-long check): Use higher-level macros.
10874 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
10876 * simplify-rtx.c (simplify_binary_operation): Recognize
10877 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
10878 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
10879 a CONST_INT, it will always be zero.
10881 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10883 * loop.c (check_dbra_loop) : Return if more than one condition is
10884 present to control the loop.
10886 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
10888 * mips.c (mips_expand_prologue): Don't calculate the last argument
10889 register unless we need it. When we are calculating this, make
10890 sure FUNCTION_ARG is giving us a REG.
10892 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10894 * flow.c (libcall_dead_p): Use single_set to verify the insn
10895 has only one set and get for analysis.
10896 (propagate_one_insn): Don't pass the PATTERN of the insn.
10898 2000-07-17 Mark Klein <mklein@dis.com>
10900 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
10902 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10904 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
10905 * configure.in (TARGET_GETGROUPS_T): Evaluate.
10906 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
10907 of second argument of getgroups.
10908 * configure, config.in: Rebuilt.
10910 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
10912 * simplify-rtx.c (simplify_relational_operation): Two signed
10913 values with equal high words are less/greater than each other if
10914 their low words are less/greater when considered as unsigned.
10916 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
10918 * configure.in (vax-*-openbsd): Change to new style configuration,
10919 add collect2/float_format information.
10920 * configure: Rebuilt.
10921 * config/vax/openbsd1.h: New.
10922 * config/vax/openbsd.h: New.
10923 * config/vax/t-openbsd: New.
10925 2000-07-17 Chip Salzenberg <chip@valinux.com>
10927 * c-common.c (shorten_compare): Quiet warnings about unsigned
10928 comparisons with zero when they occur in a system header.
10930 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
10932 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
10933 update to describe current practice.
10935 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
10937 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
10938 references to C9X. Change references to -fstd and -flang-isoc9x
10941 * c-common.c (scan_char_table): Allow "z" length modifiers on
10943 (check_format_info): Use TYPE_DOMAIN on the type matched against
10944 for "z" formats, to retrieve the language size_t rather than the
10947 * c-common.c (check_format_info): Do not make a pedantic objection
10948 to the 'L' length modifier if used with a floating point type
10951 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
10952 constants in C99 mode.
10954 2000-07-17 Kazu Hirata <kazu@hxi.com>
10956 * h8300.md: Fix the format of mac.
10957 (movsi_h8300hs): Output a tab after stmac instead of a space.
10959 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
10960 profitable adds/subs sequences.
10962 * fold-const.c: Fix comment typos.
10964 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
10966 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
10968 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10970 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
10972 2000-07-16 Neil Booth <NeilB@earthling.net>
10974 * cpplex.c: Update comments.
10975 * README.Portability: Small update.
10977 2000-07-16 Neil Booth <NeilB@earthling.net>
10979 * README.Portability: Small update.
10981 2000-07-15 Richard Henderson <rth@cygnus.com>
10983 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
10984 * config/ia64/ia64.c (ia64_move_ok): New function.
10985 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
10986 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
10988 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
10990 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
10991 immediately following a paste operator.
10992 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
10993 (cpp_reader_init): Call it, if HOST_EBCDIC.
10994 (cpp_handle_options): Do not sort option list here.
10995 (handle_option): Rename to cpp_handle_option and export.
10996 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
10997 _cpp_get_token directly.
10998 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
10999 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
11000 * cpplib.h: Prototype cpp_handle_option. Update prototype of
11003 2000-07-15 Richard Henderson <rth@cygnus.com>
11005 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
11006 cast around an expression. Tidy other unsigned tests.
11008 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
11010 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
11011 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
11012 (v_message_with_decl): Rename to ...
11013 (format_with_decl): ... this. Tweak
11014 (diagnostic_for_decl): New function.
11015 (fatal_io_error): Use verbatim in lieu of notice.
11016 (announce_function): Use verbatim.
11017 (default_print_error_function): Likewise.
11018 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
11021 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11023 * mips.c (function_arg_pass_by_reference): Don't do automatic
11024 aggregate initialization.
11025 (machine_dependent_reorg): Initialize variable `mode'.
11027 * mips.md (absdi2): Change variable `regno1' to unsigned int.
11028 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
11029 conflicts with sys/param.h macro of the same name.
11030 (reload_outdi): Likewise.
11032 2000-07-15 Michael Meissner <meissner@redhat.com>
11034 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
11035 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
11036 create a new node instead.
11038 2000-07-15 Neil Booth <NeilB@earthling.net>
11040 * README.Portability: Correct example about calling a function
11041 through a pointer to function. Format wide paragraphs.
11043 2000-07-15 Michael Meissner <meissner@redhat.com>
11045 * README.Portability: Update integer suffixes and function
11046 prototype sections.
11048 2000-07-15 Neil Booth <NeilB@earthling.net>
11050 * README.Portability: Small update.
11052 2000-07-15 Neil Booth <NeilB@earthling.net>
11054 * README.Portability: New file.
11056 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
11058 * INSTALL: Give special instructions for building GCC on Irix 6.
11059 * config/mips/x-iris6 (CC): Don't set it.
11062 2000-07-14 Jason Merrill <jason@redhat.com>
11064 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
11065 register in the stack and later in another register, use the new
11068 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
11070 * config/mips/mips.md: (absdi2): Handle sign_extend for
11073 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
11075 * cpplib.c (do_pragma_dependency): Tidy warning messages.
11077 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
11079 * .cvsignore: Correct typo.
11081 2000-07-13 Mark Mitchell <mark@codesourcery.com>
11083 * .cvsignore: Add generated YACC files.
11084 * objc/.cvsignore: New file.
11086 2000-07-14 Neil Booth <NeilB@earthling.net>
11088 * cpplex.c (adjust_column): New funcion.
11089 (skip_whitespace): Use it.
11090 (skip_block_comment): Use it, and warn about /*/* with
11093 2000-07-14 Neil Booth <NeilB@earthling.net>
11095 * cpphash.c (struct macro_info): Add new members.
11096 (_cpp_free_definition): Delete the macro directly.
11097 (count_params): Return void, with first token of
11098 expansion in struct macro_info on success.
11099 (parse_define): Return int. Hoist syntax checking from
11100 save_macro_expansion. Leave call to save_expansion to
11101 _cpp_create_definition.
11102 (alloc_macro): Needs just 2 arguments.
11103 (free_macro): Delete.
11104 (save_expansion): Don't perform syntax check.
11105 (_cpp_create_definition): Call save_expansion.
11107 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11109 * genrecog.c (write_header): Split long string.
11111 * cpphash.c (macro_info): Don't use the `signed' keyword.
11113 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
11115 2000-07-13 Jakub Jelinek <jakub@redhat.com>
11117 * calls.c (stored_args_map): New variable.
11118 (check_sibcall_argument_overlap_1): New.
11119 (check_sibcall_argument_overlap): New.
11120 (expand_call): Initialize stored_args_map.
11121 Call check_sibcall_argument_overlap.
11123 2000-07-13 Bruce Korb <bkorb@gnu.org>
11125 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
11126 (emit_gnu_type): utility procedure for gnu_type_fix
11127 (gnu_type_fix): implement various pre-processor guards around
11128 standard types so these types can be defined over and over
11129 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
11130 types alluded to above will have GNU-compliant base types
11131 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
11132 * fixinc/inclhack.def: add test_text entries and utilize the new
11133 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
11134 * fixinc/fixincl.x: regenerate
11136 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11138 * diagnostic.c (vline_wrapper_message_with_location,
11139 v_message_with_file_and_line, v_error_with_file_and_file,
11140 v_error_for_asm, v_warning_for_asm, vfatal,
11141 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
11142 vsorry, verror, vwarning, vpedwarn): Remove.
11143 (diagnostic_for_asm): New function.
11144 (pedwarn, error, warning, pedwarn_with_file_and_line,
11145 error_with_file_and_line, warning_with_file_and_line, sorry,
11146 error_for_asm, warning_for_asm, fatal): Reimplement.
11147 (finish_diagnostic): Clear diagnostic info as well.
11149 2000-07-13 Neil Booth <NeilB@earthling.net>
11151 * c-common.h (flag_digraphs): New.
11152 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
11153 * c-lex.c (yylex): Use flag_digraphs to decide whether to
11156 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
11158 * gcc.c (do_spec_1): Add new %B operator.
11159 (set_input): Prepare for %B.
11161 (link_command_spec): Move up with the other tm.h-
11162 overrideable specs. Factor out the portion conditional on
11163 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
11164 (struct compiler): Just have a single spec string. All users
11166 (default_compilers): Remove unnecessary braces.
11167 (static_specs): Update.
11169 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
11171 (C and assembly specs): Use the new named specs, as appropriate.
11173 * objc/lang-specs.h: Use the new named specs.
11174 Remove unnecessary braces.
11176 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11178 * gcc.c (execute): If a subprocess gets a fatal signal, report
11179 strsignal() of the signal number, and ask for a bug report.
11180 Do not do this for SIGPIPE if there's already been an error.
11182 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
11183 Delete pipe_closed.
11185 * tradcif.c: Remove.
11187 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11189 * final.c (profile_function): Do not emit profile counters in
11190 the data section, if NO_PROFILE_COUNTERS is defined.
11191 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11194 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11195 (FUNCTION_PROFILER): Just emit a call to mcount.
11197 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11199 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11201 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11202 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11203 traditional, lang_chill, or lang_fortran.
11205 * cppfiles.c: #undef strcmp to suppress warning about macros
11206 used without arguments.
11207 (_cpp_execute_include): Use f, not fname, in "No include path"
11209 (_cpp_pop_file_buffer): New function.
11210 * cpplib.c: Don't include <sys/mman.h>.
11211 (cpp_push_buffer): Set line_base and lineno in new buffer.
11212 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
11214 * cpplex.c: Move all prototypes and structure declarations to the
11215 top of the file. Properly parenthesise some macro arguments.
11216 (cpp_scan_line): New function.
11217 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
11218 don't need to walk up the stack counting.
11220 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11222 * c-common.c (combine_strings): Emit a pedantic warning when a
11223 string length is greater than the minimum ANSI C is required
11226 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
11228 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
11229 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
11231 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11233 * c-decl.c (define_label): Warn about identifier conflicts with
11234 labels in traditional C.
11236 * c-parse.in (unop +): Warn about the unary plus operator for
11239 * c-typeck.c (store_init_value): Warn about automatic aggregate
11240 initialization for traditional C.
11242 * invoke.texi (-Wtraditional): Document new warnings.
11244 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11246 * Makefile.in (c-errors.o): Fix thinko in dependency.
11248 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11250 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
11251 -traditional, -ftraditional, or -traditional-cpp was given.
11252 Do not pass -traditional to the preprocessor.
11253 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
11254 preprocessor does it automatically.
11255 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
11257 * ch/lang-specs.h: Always use tradcpp. Do not pass
11258 -traditional, -trigraphs, or -pedantic to the preprocessor.
11259 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
11262 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11264 * cppexp.c (LOGICAL): Delete macro.
11265 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
11268 * cpphash.c (HASHSIZE): Increase to 4096.
11269 (struct hashdummy): Add hash field.
11270 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
11271 the string values using memcmp.
11272 (cpp_lookup): Set dummy.hash.
11274 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
11276 * configure.in (m88k-openbsd): Express configuration using new fragment
11278 * configure: Rebuilt.
11279 * m88k/aout-dbx.h: New.
11280 * m88k/openbsd.h: New.
11281 * m88k/xm-openbsd.h: New.
11283 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11285 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
11287 2000-07-12 Richard Henderson <rth@cygnus.com>
11289 * reload.c (push_secondary_reload): Make sure to add the new
11290 reload at the end, after acquiring secondary memory.
11292 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11294 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
11296 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
11297 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
11299 * c-parse.in (stmt): Delete unused variables.
11301 * convert.c (convert_to_vector): Likewise.
11303 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
11305 * tree.c (finish_vector_type): Prototype.
11307 2000-07-12 Bruce Korb <bkorb@gnu.org>
11309 * fixinc/fixfixes.c: use xmalloc
11310 * fixinc/fixincl.c(initialize): set program name for xmalloc
11311 * fixinc/fixlib.c(must_malloc): obsolete
11312 (is_cxx_header): no longer used - disabled
11313 (skip_quote): inserted and disabled for future use
11314 * fixinc/fixlib.h: reflects above
11315 * fixinc/fixtests.c: removed dinkleberries
11317 2000-07-12 Neil Booth <NeilB@earthling.net>
11319 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
11320 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
11322 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
11323 struct toklist_dummy): New.
11324 (cpp_free_definition): Free macros with free_macro.
11325 (count_params): Don't save paramter spellings. Save macro
11326 information in a struct macro_info.
11327 (parse_define): Don't allocate a token list.
11328 (save_expansion): Allocate the macro's token list, and
11329 save parameter spellings if necessary. Use TOKEN_SPELL.
11330 (cpp_create_definition): Make list const.
11332 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11334 * c-typeck.c (pedwarn_c99): Move to
11335 * c-errors.c: ... Here.
11336 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
11337 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
11338 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
11339 (c-errors.o): List dependency.
11341 2000-07-12 Mark Mitchell <mark@codesourcery.com>
11343 * c-parse.c: Remove.
11344 * c-parse.h: Likewise.
11345 * c-parse.y: Likewise.
11346 * objc/objc-parse.c: Likewise.
11347 * objc/objc-pasre.y: Likewise.
11349 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
11351 * gcc.texi: Fix minor typos
11352 * extend.texi: Fix minor typos
11354 2000-07-11 Marc Espie <espie@openbsd.org>
11356 * collect2.c (main): Recognize .lo as object files.
11358 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11360 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
11363 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
11364 with MAP_ANONYMOUS and MAP_ANON.
11365 * configure, config.in: Rebuilt.
11367 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11369 * diagnostic.c (save_output_state): Remove.
11370 (restore_output_state): Likewise.
11371 (clear_text_info): New function.
11372 (clear_diagnostic_info): Likewise.
11373 (output_text_length, is_starting_newline, output_prefix,
11374 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
11375 prefixing_policy, output_buffer_ptr_to_format_args): New macros
11376 (set_real_maximum_length, output_set_maximum_length,
11377 output_set_prefix, output_get_prefix, output_set_maximum_length,
11378 output_destroy_prefix, init_output_buffer,
11379 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
11380 output_add_newline, output_add_character, output_add_space,
11381 output_append_r, output_append, wrap_text, output_format,
11382 output_do_printf, output_printf, output_do_verbatim,
11383 output_verbatim, verbatim): Use them.
11384 (output_clear): Split into cleat_text_info and
11385 clear_diagnostic_info.
11386 (struct output_state): Move to...
11388 * diagnostic.h: ...Here
11389 (struct output_buffer): Adjust.
11391 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
11393 * cpplex.c (parse_name): No longer inline (premature optimization).
11394 (do_pop_context): Fold into pop_context.
11395 (pop_context): Returns int.
11396 (lex_next): Hoist test for end of directive into pop_context.
11397 (push_macro_context): Returns int; takes just reader and token.
11398 Hoist test for excessive nesting to caller.
11399 (push_arg_context): Returns void; takes just reader and token.
11400 Do not call stringify_arg or get_raw_token.
11401 (get_raw_token): Convert tail recursion through push_arg_context
11402 to a loop at this level. Call stringify_arg here if appropriate.
11403 (maybe_paste_with_next): Convert tail recursion to a while loop.
11404 Hoist test of paste_level to caller.
11406 (stringify_arg): Push arg context at beginning.
11407 (cpp_get_token): Split out core into _cpp_get_token. Call
11408 process_directive here. Throw away CPP_PLACEMARKER tokens.
11409 (_cpp_get_token): Convert tail recursion through
11410 push_macro_context to a loop at this level.
11411 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
11412 _cpp_get_raw_token): Use _cpp_get_token.
11413 (_cpp_skip_rest_of_line): Drop the context stack directly; do
11414 not call pop_context.
11415 (_cpp_run_directive): Call lex_next directly.
11417 * cpphash.h: Prototype _cpp_get_token.
11418 * cppexp.c (lex): Use it.
11419 * cpphash.c (parse_define): Use it.
11420 * cpplib.c (get_define_node, do_undef, parse_include,
11421 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
11422 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
11423 parse_ifdef, validate_else): Use it.
11424 (cpp_push_buffer): Tweak error message; abort if anyone tries
11425 to push a buffer while macro expansions are stacked.
11427 2000-07-11 Donn Terry <donnte@microsoft.com>
11429 * cpplex.c (free_macro_args, save_token): Cast arg of free
11430 and/or xrealloc to PTR.
11431 (_cpp_init_input_buffer): Clear all fields of the base context.
11433 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
11435 * gensupport.c (process_rtx): Make rtl checking stop
11436 complaining about the define_insn while it is being
11437 converted from a define_insn_and_split.
11439 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
11441 * config/mips/mips.c (simple_memory_operand): Access the
11442 INTVAL of the address, not it's containing MEM.
11444 2000-07-11 Bruce Korb <bkorb@gnu.org>
11446 * fixinc/fixtests.c(double_slash): obsolete
11447 (else_endif_label): likewise
11448 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
11449 (libc1_ifdefd_memx): correct initial comment
11450 and omit the #if/#endif pair from the memxxx declarations
11451 * fixinc/fixincl.x: regen
11453 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11455 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
11457 2000-07-11 Neil Booth <NeilB@earthling.net>
11459 * cpp.texi: Update.
11461 2000-07-11 Neil Booth <NeilB@earthling.net>
11463 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
11464 (handle_option): Set digraphs according to standard.
11465 Merge OPT_lang_c89 handler with OPT_std_c89.
11467 * cpplex.c: (lex_line, can_paste): Honour digraphs in
11468 accordance with the digraphs flag.
11470 * cpplib.h: (struct cpp_options): New option digraphs.
11472 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
11473 Bruce Korb <bkorb@gnu.org>
11475 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
11476 * fixinc/fixincl.x: Regenerate.
11477 * fixinc/tests/base/testing.h: Add testcase.
11479 2000-07-10 Richard Henderson <rth@cygnus.com>
11481 * config/ia64/ia64.c (got_symbolic_operand): New.
11482 (symbolic_operand, move_operand): Revert 0701 change.
11483 * config/ia64/ia64.h (PREDICATE_CODES): Update.
11484 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
11485 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
11486 split the offset into a 14-bit low part instead of a 13-bit low part.
11487 (load_fptr): Mark the mem as unchanging.
11488 (load_symptr): Use got_symbolic_operand.
11490 2000-07-10 Nick Clifton <nickc@cygnus.com>
11492 * libgcc2.c (next_stack_level): Cast result of computation to
11493 (void **) so that the assignment does not generate a warning.
11495 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
11497 * flags.h : Add new variable flag_single_precision_constant.
11498 * toplev.c (display_help) : Add -fsingle-precision-constant option.
11499 (flag_single_precision_constant): New.
11500 * c-lex.c (yylex): Convert floating point constant to single
11501 precision constant.
11502 * invoke.texi : Add documentation for this new option.
11504 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11506 * diagnostic.c (output_octal): Second parameter is unsigned.
11507 (output_long_octal): Likewise.
11508 (output_hexadecimal): Likewise.
11509 (output_long_hexadecimal): Likewise.
11510 (output_format): Adjust arguments extraction. Tweak.
11511 (output_verbatim, verbatim): End variable argument list.
11512 (report_diagnostic): Improve documentation.
11514 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
11516 * c-common.h (build_stmt): Declare.
11517 (build_continue_stmt): Likewise.
11518 (build_break_stmt): Likewise.
11519 (build_return_stmt): Likewise.
11521 * c-decl.c (do_case): Rewrite to do what previously done in
11524 * c-semantics.c (build_stmt): Define.
11525 (build_return_stmt): Likewise.
11526 (build_break_stmt): Likewise.
11527 (build_continue_stmt): Likewise.
11528 (build_case_label): Likewise.
11530 * c-parse.in (BREAK): Change to build tree, then generate RTL.
11531 (CONTINUE): Likewise.
11532 (RETURN): Likewise.
11534 (DEFAULT): Likewise.
11536 * c-parse.y: Regenerate.
11537 * c-pasre.c: Likewise.
11539 2000-07-09 Jason Merrill <jason@redhat.com>
11541 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
11543 * tree.h (STRIP_NOPS): Check for error_mark_node.
11544 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
11545 (dwarf2out_*): Remove duplicate declarations.
11547 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
11548 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
11550 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11552 * diagnostic.c (wrap_text): New function.
11553 (maybe_wrap_text): Likewise.
11554 (output_add_string): Use it.
11555 (output_format): Likewise.
11556 (count_error): Use verbatim instead of notice.
11557 (report_error_function): Likewise. Don't use plain fprintf.
11558 (finish_diagnostic): New function.
11559 (output_do_verbatim): Tweak. Commonalize functionalities in
11560 output_verbatim and verbatim.
11561 (output_verbatim): Adjust.
11562 (verbatim): Likewise.
11563 (report_diagnostic): Define.
11565 * diagnostic.h (report_diagnostic): Prototype.
11567 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
11569 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
11571 2000-07-09 Neil Booth <NeilB@earthling.net>
11573 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
11574 IShspace, ISspace: Update.
11576 * cppinit.c: ISTABLE: Update.
11579 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
11580 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
11581 (skip_block_comment, skip_line_comment, parse_string,
11582 lex_line): Use is_vspace rather than IS_NEWLINE.
11583 (skip_whitespace, lex_line): Clean up to use is_nvspace.
11584 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
11586 (lex_next): Unconditionally stop if within a directive.
11587 Treat directives within macro invocations as directives
11588 (after parse_args emits error), not as the argument.
11590 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
11592 * diagnostic.c (diagnostic_args): New macro.
11593 (diagnostic_msg): Likewise.
11594 (output_formatted_integer): Likewise.
11595 (output_state): New data type.
11596 (digit_buffer): Make global.
11597 (output_add_integer): Rename to output_decimal. Squeeze
11599 (output_long_decimal, output_unsigned_decimal,
11600 output_long_unsigned_decimal, output_octal, output_long_octal,
11601 output_hexadecimal, output_long_hexadecimal): New functions.
11602 (output_append_r): New function.
11603 (output_append): Tweak.
11604 (output_flush_on): Rename to output_to_stream.
11605 (output_format): Change prototype. Improve documentation. Handle
11606 more format specifiers.
11607 (build_location_prefix): Rename to context_as_prefix.
11608 (output_notice): Rename to output_do_printf.
11609 (output_printf): Tweak.
11610 (line_wrapper_printf): Likewise.
11611 (vline_wrapper_message_with_location): Adjust call to renamed
11613 (v_message_with_decl): Likewise.
11614 (default_print_error_function): Likewise.
11615 (save_output_state): New function.
11616 (restore_output_state): Likewise.
11617 (output_do_verbatim): Likewise.
11618 (output_verbatim): Define.
11619 (verbatim): Likewise.
11621 * diagnostic.h (printer_fn): Change return type from void to int.
11622 Improve documentation.
11623 (output_add_integer): Rename to output_decimal.
11624 (output_flush_on, output_format): Don't export.
11625 (output_verbatim, verbatim): Declare.
11627 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
11629 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
11630 Check whether c divides op1 exactly if operation is not
11633 2000-07-08 Richard Henderson <rth@cygnus.com>
11635 * final.c (final): Do not abort when reg-stack introduces
11638 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
11640 * cpplib.h (struct cpp_name): Now struct cpp_string.
11641 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
11642 CPP_HEADER_NAME): Change to type S.
11643 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
11644 field, a cpp_hashnode *. All references to val.name updated
11645 to use val.str or val.node as appropriate.
11646 (struct cpp_reader): Add spec_nodes field.
11647 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
11649 * cpphash.h (struct spec_nodes): New.
11650 (enum spell_type): Reorder. Only SPELL_STRING tokens use
11651 val.str. All references to 'spelling > SPELL_NONE' updated to
11654 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
11655 pfile->buffer->inc are not NULL before dereferencing them.
11657 * cpplex.c (parse_name): Take a pointer to the current token,
11658 plus current position and limit as args; return the new
11659 position; don't copy the text of a name into the string
11660 buffer, instead call cpp_lookup and store the node pointer.
11661 If extending a token, copy out the text of the old into a
11662 scratch buffer, append the new, look that up and store the new
11663 node pointer. Inline.
11664 (maybe_paste_with_next): If the result of paste is a NAME,
11665 then look up the pasted text and store its node pointer.
11666 (lex_line): Adjust for new parse_name interface.
11667 Check for L"str", L'str' using spec_nodes->n_L.
11668 (spell_token): SPELL_IDENT tokens have their spelling in
11669 val.node->name. Handle SPELL_STRING tokens that don't have
11671 (_cpp_expand_name_space,
11672 (can_paste): Check for L ## "str" using spec_nodes->n_L.
11673 (cpp_get_token, special_symbol): No need to call cpp_lookup.
11674 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
11675 return 1=equal 0=not, not a tristate.
11677 * cpphash.c (var_args_str): Delete.
11678 (find_param): Compare node fields directly.
11679 (is__va_args__): Use CPP_PEDANTIC. Just compare
11680 token->val.node with spec_nodes->n__VA_ARGS__.
11681 (dump_funlike_macro): Don't use var_args_str.
11683 * cpplib.c (_cpp_check_directive): Just walk through
11684 spec_nodes->dirs comparing pointers.
11685 (get_define_node, do_pragma_poison, detect_if_not_defined,
11686 parse_ifdef): The identifier has already been looked up.
11687 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
11689 (do_if): Only call detect_if_not_defined at beginning of file.
11690 (_cpp_parse_assertion): Only copy string pointers for
11691 SPELL_STRING tokens.
11692 (pragma_dispatch): Take a node pointer and examine its name
11694 (_cpp_init_stacks): Also initialize the spec_nodes structure.
11696 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
11698 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
11699 reverse order from the corresponding _cpp_init_* routines.
11701 * cppexp.c (parse_number, parse_charconst, parse_defined,
11702 lex): Check val.node->type instead of calling cpp_defined.
11703 Use spec_nodes entries where appropriate.
11705 * fix-header.c, scan-decls.c: Update for interface changes.
11707 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
11709 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
11710 emitting aux_truncdfsf2.
11712 2000-07-03 Donn Terry (donnte@microsoft.com)
11714 * cppinit.c (print_help): split overlong line into ISO C89
11717 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11719 * cppexp.c: Update all code for new lexer interface.
11720 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
11721 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
11722 * cpplex.c (token_names): Trim leading CPP_ from names; make
11723 the strings unsigned.
11724 (_cpp_spell_operator): New.
11725 (is_macro_disabled): Disable all macros if rescanning
11727 (_cpp_get_directive_token): Remove.
11729 * cppinit.c: Don't set no_macro_expand.
11730 * cpplib.c (read_line_number, do_line): Check only for EOF,
11732 * cpphash.h: Update prototypes.
11733 * cpplib.h (CPP_VSPACE): Remove.
11734 (struct cpp_reader): Remove no_macro_expand.
11736 2000-07-08 Neil Booth <NeilB@earthling.net>
11738 * cpphash.c (is__va_args__): New function.
11739 (count_params): Fix line reported in error messages. Use
11740 is__va_args__. Don't return ')' on error. Flag GNU style
11741 rest args macro definitions.
11742 (parse_define): Check macro name is not __VA_ARGS__.
11743 (save_expansion): Check identifier in non-varargs-macro is
11744 not __VA_ARGS__. Don't flag GNU_VARARGS.
11745 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
11746 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
11747 than per-token GNU_VARARGS.
11748 * cpplib.h (GNU_VARARGS): Remove.
11749 (GNU_REST_ARGS): New.
11751 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11753 * i386.md (call_pop, call, call_value_pop): Do not set
11754 current_function_uses_pic_offset_table for calls to static
11755 functions or indirect calls.
11757 2000-07-07 Jim Wilson <wilson@cygnus.com>
11759 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
11760 is_predicate_reg, then take max write_count of register pair.
11762 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11764 * tradcpp.c (main): Rename label `include' to `add_include' to
11765 avoid conflicts with variable `include' in traditional C.
11767 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11769 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
11771 2000-07-07 Jakub Jelinek <jakub@redhat.com>
11773 * sibcall.c (uses_addressof): Add INMEM argument, check for
11774 current_function_internal_arg_pointer outside of MEM rtxs in addition
11776 (sequence_uses_addressof): Update caller.
11778 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11780 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
11783 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11785 * system.h (UNION_INIT_ZERO): New macro for initializing union
11786 members in structs.
11788 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
11790 2000-07-07 Neil Booth <NeilB@earthling.net>
11792 * cpp.texi: Update.
11794 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
11796 * final.c (final): Detect out of bounds array access to
11797 the insn_lengths array.
11799 2000-07-07 Kazu Hirata <kazu@hxi.com>
11801 * fold-const.c (fold): Fix a comment typo.
11803 2000-07-07 Neil Booth <NeilB@earthling.net>
11805 * cpp.texi: Update to new lexer.
11807 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11809 * tradcpp.c: New file.
11810 * tradcif.y: New file.
11811 * tradcif.c: New generated file.
11813 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
11814 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
11815 dependencies of C. Install tradcpp from install-common, in
11818 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
11820 * cppinit.c: Include cppdefault.h. Refer to
11821 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
11822 to GCC_INCLUDE_DIR and its length.
11823 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
11824 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
11825 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
11827 (include_defaults_array): Move to cppdefault.c.
11829 * cppdefault.h: New file.
11830 * cppdefault.c: New file.
11832 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
11833 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
11834 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
11837 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11839 * reload.c (push_reload): When seeing if can reuse a register,
11840 check extra registers against widest of INMODE and OUTMODE.
11842 2000-07-06 Neil Booth <NeilB@earthling.net>
11844 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
11845 based on full length of predicate.
11847 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
11849 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
11850 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
11852 2000-07-05 Kazu Hirata <kazu@hxi.com>
11854 * h8300-proto.h: Fix formatting.
11855 * h8300.c: Likewise.
11856 * h8300.h: Likewise.
11858 2000-07-05 Jim Wilson <wilson@cygnus.com>
11860 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
11863 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
11865 * invoke.texi: Fix minor typos
11866 * md.texi: Fix minor typos
11868 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
11870 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
11872 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11874 * cpplex.c: Don't include sys/mman.h.
11875 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
11877 * cpplib.c: Include sys/mman.h and obstack.h.
11878 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
11880 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
11881 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
11882 bother freeing if stack entries (they will be freed with their buffer).
11883 (do_endif): Free if stack entries from the buffer obstack.
11884 (push_conditional): Allocate if stack entries from the buffer obstack.
11886 (find_answer): Rename to _cpp_find_answer.
11887 (do_assert, do_unassert): Update.
11889 * cpphash.h: Update prototypes.
11890 (xobnew): New convenience macro.
11891 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
11893 (struct cpp_hashnode): Remove disabled field.
11895 * cppinit.c: Don't include hashtab.h or splay-tree.h.
11896 (report_missing_guard): Moved to cppfiles.c.
11897 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
11899 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
11900 cpp_cleanup_includes. Don't destroy hashtab or
11901 all_include_files here.
11902 (cpp_finish): Use _cpp_report_missing_guards.
11904 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
11905 (_cpp_init_include_table): Rename _cpp_init_includes.
11906 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
11908 * cppexp.c (parse_assertion): Update for new name of
11911 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
11913 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
11915 * cpplib.c (do_ident): s/VSPACE/EOF/
11917 2000-07-05 Neil Booth <NeilB@earthling.net>
11919 * cpplex.c: Fix trigraph replacement within strings.
11921 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11923 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
11925 * xcoffout.c (assign_type_number): Constify.
11926 (xcoffout_source_file): Add static prototype. Don't needlessly
11927 cast away const-ness.
11929 2000-07-04 Jason Merrill <jason@redhat.com>
11931 * frame.h (frame_state): Move base_offset to end.
11933 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
11935 * calls.c (emit_library_call_value_1): Revert previous change.
11937 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
11939 * fix-header.c (struct partial_proto): Remove unnecessary fields.
11940 (recognized_extern, recognized_function, read_scan_file):
11941 Update for new scheme.
11942 (check_protection): It's still a multiple include guard even
11943 if it doesn't always trigger.
11944 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
11946 * scan.h: Declare struct cpp_token. Update prototypes.
11948 2000-07-03 Neil Booth <neilb@earthling.net>
11949 Zack Weinberg <zack@wolery.cumb.org>
11951 Complete overhaul of the lexer and macro expander.
11953 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
11954 arg, arglist, argdata, reflist, collect_objlike_expansion,
11955 collect_funlike_expansion, collect_params,
11956 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
11957 unsafe_chars, macarg, compare_defs, special_symbol,
11958 scan_arguments, stringify, funlike_macroexpand,
11959 _cpp_quote_string, monthnames): Delete.
11960 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
11961 _cpp_create_definition, _cpp_dump_definition,
11962 dump_hash_helper): Adjust.
11963 (find_param, count_params, parse_define, var_args_str,
11964 check_macro_redefinition, save_expansion): New.
11966 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
11967 parse_string, output_line_command, trigraph_replace,
11968 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
11969 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
11970 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
11971 _cpp_skip_rest_of_line): Modify.
11973 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
11974 find_position, null_warning, bump_column, expand_name_space,
11975 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
11976 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
11977 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
11978 _cpp_prescan): Delete.
11980 (dump_param_spelling, process_directive, lex_next,
11981 is_macro_disabled, stringify_arg, expand_context_stack,
11982 output_token, make_string_token, alloc_number_token,
11983 special_symbol, duplicate_token, maybe_paste_with_next,
11984 can_paste, prevent_macro_expansion, restore_macro_expansion,
11985 get_temp_token, release_temp_tokens, quote_string,
11986 token_names, token_spellings, _cpp_expand_name_space,
11987 _cpp_glue_header_name, _cpp_reserve_name_space,
11988 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
11989 placemarker_token, eof_token, cpp_context, macro_args,
11990 get_raw_token, parse_arg, parse_args, save_token,
11991 push_arg_context, push_macro_context, pop_context,
11992 do_pop_context, free_macro_args, _cpp_get_line,
11993 _cpp_run_directive): New.
11995 * cpplib.c (validate_else, parse_include, push_conditional,
11996 pass_thru_directive, read_line_number, parse_ifdef,
11997 detect_if_not_defined, _cpp_check_directive, do_define,
11998 do_undef, do_include, do_import, do_include_next, do_error,
11999 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
12000 top_pragmas, do_pragma_gcc, do_pragma_implementation,
12001 do_pragma_poison, do_pragma_system_header,
12002 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
12003 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
12004 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
12005 cpp_defined): Update for new scheme.
12006 (strtoul_for_line, get_define_node, dump_macro_name,
12007 _cpp_check_linemarker, _cpp_parse_assertion): New.
12008 (_cpp_handle_directive, do_pragma_default): Delete.
12010 * cpphash.h (struct predicate): Now struct answer.
12011 (enum spell_type, struct token_spelling, struct directive,
12012 directive_handler): New.
12013 Update prototypes. Remove unused macros.
12014 * cpplib.h: Update prototypes. Remove unused macros,
12015 structure definitions, and fields.
12017 * cpperror.c (print_containing_files, v_message): Adjust.
12018 * cppexp.c (parse_assertion, lex, parse_escape,
12019 _cpp_parse_expr): Adjust.
12020 * cppfiles.c (open_include_file, _cpp_execute_include,
12021 _cpp_compare_file_date, cpp_read_file, read_include_file):
12023 * cppinit.c (dump_special_to_buffer): Delete.
12024 (append_include_chain, merge_include_chains, cpp_reader_init,
12025 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
12026 cpp_finish, handle_option, print_help): Adjust.
12027 * cppmain.c (main): Adjust.
12029 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12031 * cppspec.c (lang_specific_driver): Use double quotes in error
12034 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12036 * calls.c (emit_library_call_value_1): Use valreg instead
12037 of hard_libcall_value.
12039 2000-07-03 Geoff Keating <geoffk@cygnus.com>
12041 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
12042 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
12043 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
12051 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
12052 mode instead of wider_mode is being used.
12054 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12056 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
12057 of 'r'. Use q_regs_operand.
12058 (andsi_1+2): Use q_regs_operand.
12060 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12062 * builtins.c (get_memory_rtx): Always put into alias set 0.
12064 2000-07-03 Nick Clifton <nickc@cygnus.com>
12066 * config/arm/arm.md: Fix post increment and pre increment
12067 peepholes so that they do not generate UNPREDICATBLE opcodes.
12068 (ie ones where the increment clobbers the source/destination).
12070 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
12072 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
12073 change too big for -mtiny-stack" a warning, if larger than 63.
12074 (out_set_stack_ptr): Change the logic so -mno-interrupts is
12075 always safe to use on possible future devices.
12076 (function_prologue): Write SPH before SPL, for consistency.
12077 If interrupt_func_p true, we know we have enabled interrupts.
12078 (avr_num_arg_regs): New function. Round up to even number of
12079 bytes if no -mpack-args or if calling a libgcc function.
12080 (function_arg, function_arg_advance): Use it.
12081 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
12082 Output "movw" if available.
12083 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
12084 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
12085 (asm_output_section_name): Add blanks for consistent output.
12086 (encode_section_info): Set TREE_READONLY for progmem data to
12087 avoid gas warnings about changed section attributes.
12088 (avr_hard_regno_mode_ok): Force non-QImode data to start in
12089 even numbered registers on devices with "movw".
12090 * config/avr/avr.h (MASK_*): Define bits for target_flags.
12091 (TARGET_SWITCHES): Mark help strings for translation.
12092 Add new -mpack-args and -menhanced switches.
12093 (TARGET_OPTIONS): Mark help strings for translation.
12094 (progmem_section): Add section attributes.
12095 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
12096 Output "movw" if available.
12097 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
12099 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
12100 call convention (arguments aligned on even registers).
12101 (_cleanup, _exit): Make weak symbols libc can override.
12103 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12105 * fp-bit.h: New file.
12107 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
12108 Comment #endif statements.
12109 (__thenan_sf, __thenan_df): Add missing braces around initializer.
12111 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
12113 * gcse.c (compute_pre_data): Compute ae_kill using other local
12114 properties instead of calling compute_ae_kill.
12116 * alias.c (init_alias_analysis): Do not call
12117 prologue_epilogue_contains until after reload has completed.
12119 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
12121 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
12122 (genrtl_finish_compound_stmt): Likewise.
12123 (genrtl_compound_stmt): Change to return void.
12125 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
12126 move code from here to ...
12127 (genrtl_compound_stmt): ... here.
12128 (genrtl_finish_compound_stmt): Remove.
12129 (expand_stmt): Add comment.
12131 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
12133 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
12136 2000-07-02 Jakub Jelinek <jakub@redhat.com>
12138 * cpplib.h (struct cpp_reader): New field include_depth.
12139 (struct cpp_printer): Rename last_bsd to last_id.
12140 * cppfiles.c (read_include_file): Bump include_depth.
12141 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
12142 (output_line_command): Output correct #line if a header
12143 is including itself and is not protected against multiple inclusion.
12144 Use include_depth instead of buffer_stack_depth, last_id instead of
12146 * cppinit.c (cpp_start_read): Initialize last_id instead of
12149 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
12151 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
12152 (c-semantics.o): New target.
12154 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
12155 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
12156 (genrtl_clear_out_block): Likewise.
12157 (genrtl_goto_stmt): Likewise.
12158 (genrtl_expr_stmt): Likewise.
12159 (genrtl_decl_stmt): Likewise.
12160 (genrtl_if_stmt): Likewise.
12161 (genrtl_while_stmt): Likewise.
12162 (genrtl_do_stmt): Likewise.
12163 (genrtl_return_stmt): Likewise.
12164 (genrtl_for_stmt): Likewise.
12165 (genrtl_break_stmt): Likewise.
12166 (genrtl_continue_stmt): Likewise.
12167 (genrtl_scope_stmt): Likewise.
12168 (genrtl_switch_stmt): Likewise.
12169 (genrtl_case_label): Likewise.
12170 (genrtl_begin_compound_stmt): Likewise.
12171 (gerntl_finish_compound_stmt): Likewise.
12172 (genrtl_compound_stmt): Likewise.
12173 (genrtl_asm_stmt): Likewise.
12174 (genrtl_decl_cleanup): Likewise.
12175 (DECL_ANON_UNION_ELEMS): Likewise.
12176 (emit_local_var): Likewise.
12177 (make_rtl_for_local_static): Likewise.
12178 (expand_cond): Likewise.
12179 (expand_stmt): Likewise.
12180 (c_expand_return): Likewise.
12181 (c_expand_start_case): Likewise.
12182 (do_case): Likewise.
12183 (COMPOUND_STMT_NO_SCOPE): Likewise.
12184 (c_expand_asm_operands): Likewise.
12185 (NEW_FOR_SCOPE_P): New macro.
12186 (expand_expr_stmt_fn): New type.
12188 (set_current_function_name_declared): Likewise.
12189 (current_function_name_declared): Likewise.
12190 (lang_expand_stmt): Likewise.
12191 (stmts_are_full_exprs_p): Likewise.
12192 (anon_aggr_type_p): Likewise.
12193 (lang_expand_expr_stmt): Likewise.
12194 (build_case_label): Likewise.
12196 * c-decl.c (lang_expand_expr_stmt): Initialize.
12197 (stmts_are_full_exprs_p): Define.
12198 (current_function_name_declared): Likewise.
12199 (do_case): Likewise.
12200 (lang_expand_stmt): Likewise.
12201 (set_current_function_name_declared): Likewise.
12202 (anon_aggr_type_p): Likewise.
12204 * c-semantics.c: New file.
12205 (expand_cond): Moved from cp/semantics.c.
12206 (genrtl_do_pushlevel): Likewise.
12207 (genrtl_clear_out_block): Likewise.
12208 (genrtl_goto_stmt): Likewise.
12209 (genrtl_expr_stmt): Likewise.
12210 (genrtl_decl_stmt): Likewise.
12211 (genrtl_if_stmt): Likewise.
12212 (genrtl_while_stmt): Likewise.
12213 (genrtl_do_stmt): Likewise.
12214 (genrtl_return_stmt): Likewise.
12215 (genrtl_for_stmt): Likewise.
12216 (genrtl_break_stmt): Likewise.
12217 (genrtl_continue_stmt): Likewise.
12218 (genrtl_scope_stmt): Likewise.
12219 (genrtl_switch_stmt): Likewise.
12220 (genrtl_case_label): Likewise.
12221 (genrtl_begin_compound_stmt): Likewise.
12222 (genrtl_finish_compound_stmt): Likewise.
12223 (genrtl_compound_stmt): Likewise.
12224 (genrtl_asm_stmt): Likewise.
12225 (genrtl_decl_cleanup): Likewise.
12226 (make_rtl_for_local_static): Moved from cp/decl.c.
12227 (emit_local_var): Likewise.
12228 (expand_stmt): Define.
12230 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
12231 (c_expand_return): Likewise.
12232 (c_expand_start_case): Likewise.
12234 2000-07-01 Richard Henderson <rth@cygnus.com>
12236 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
12237 with the low 13 bits set.
12238 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
12239 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
12240 of the low 13 bits into a CONST plus an adddi3.
12241 (load_symptr): Set RTX_UNCHANGING_P.
12243 See ChangeLog.3 for earlier changes.