1 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
3 * pa.md (conditional moves): Avoid holes in operand list.
4 (mod, umod patterns): Similarly.
5 (variable extract/shift patterns): Similarly.
7 2000-11-30 Neil Booth <neilb@earthling.net>
9 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
10 maybe_objc_check_decl, build_objc_string_object,
11 objc_declare_alias, objc_declare_class, build_message_expr,
12 build_protocol_expr, build_selector_expr, build_encode_expr,
13 get_class_ivars, start_class, start_protocol): Remove
14 redundant code, assuming doing_objc_thang is true.
16 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
18 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
19 (record_unscaled_index_insn_codes): Likewise.
20 (unscaled_index_insn_codes): Delete.
21 (max_unscaled_index_insn_codes_uid): Delete.
22 (output_function_prologue, output_function_epilogue, pa_reorg):
23 Don't use the unscaled index insn hack.
25 * pa.md: Remove hack from all index insns to reverse the operand
26 order of frame and stack pointer references incorrectly created
29 * function.h (emit_status): Delete member regno_pointer_flag and
30 rename regno_pointer_flag_length to regno_pointer_align_length.
31 Delete define for REGNO_POINTER_FLAG.
32 * integrate.h (inline_remap): Delete member regno_pointer_flag.
33 Add member x_regno_reg_rtx.
34 * rtl.h (rtx_def): Use frame_related bit to indicate register is
35 a pointer in REG expressions. Define REG_POINTER macro.
36 * alias.c (find_base_value, find_base_term): Use REG_POINTER
37 instead of REGNO_POINTER_FLAG.
38 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
39 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
40 of regno_pointer_flag_length. Remove code which refers to
42 (mark_reg_pointer): Use REG_POINTER.
43 (free_emit_status): Remove code which refers to regno_pointer_flag.
44 (init_emit, mark_emit_status): Likewise.
45 * flow.c (dump_flow_info): Likewise.
46 * function.c (preserve_temp_slots): Likewise.
47 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
48 Use x_regno_reg_rtx instead of regno_pointer_flag for function
49 pointer determination in map.
50 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
51 * predict.c (estimate_probability): Likewise.
52 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
53 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
54 regno_pointer_flag for function pointer determination in map.
55 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
57 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
59 (restore_unscaled_index_insn_codes): Revise comment.
61 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
63 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
65 * extend.texi: Update documentation for attributes.
67 2000-11-29 David O'Brien <obrien@FreeBSD.org>
69 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
70 (ASM_DECLARE_OBJECT_NAME): Same.
72 (ASM_FINISH_DECLARE_OBJECT): Same.
73 (ASM_IDENTIFY_GCC): Same.
74 (ASM_IDENTIFY_LANGUAGE): Same.
75 (ASM_OUTPUT_CONSTRUCTOR): Same.
76 (ASM_OUTPUT_DEF): Same.
77 (ASM_OUTPUT_DESTRUCTOR): Same.
78 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
79 (ASM_OUTPUT_SECTION_NAME): Same.
80 (ASM_WEAKEN_LABEL): Same.
81 (BSS_SECTION_ASM_OP): Same.
82 (COMMON_ASM_OP): Same.
83 (CONST_SECTION_ASM_OP): Same.
84 (CONST_SECTION_FUNCTION): Same.
85 (CTORS_SECTION_ASM_OP): Same.
86 (DTORS_SECTION_ASM_OP): Same.
88 (FINI_SECTION_ASM_OP): Same.
91 (INIT_SECTION_ASM_OP): Same.
93 (MAX_OFILE_ALIGNMENT): Same.
94 (SBSS_SECTION_ASM_OP): Same.
95 (SDATA_SECTION_ASM_OP): Same.
96 (SECTION_FUNCTION_TEMPLATE): Same.
97 (SELECT_SECTION): Same.
98 (SE_CONST_SECTION): Same.
101 (STRING_ASM_OP): Same.
102 (STRING_LIMIT): Same.
104 (TYPE_OPERAND_FMT): Same.
106 2000-11-29 Neil Booth <neilb@earthling.net>
108 * c-decl.c (c_decode_option): Don't handle -lang-objc.
109 * objc/lang-options.h: Remove -lang-objc.
110 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
111 * objc/objc-act.c (lang_init_options): Set c_language.
113 2000-11-29 Jakub Jelinek <jakub@redhat.com>
115 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
118 2000-11-29 Neil Booth <neilb@earthling.net>
120 * c-pragma.c (init_pragma): Update for parse_in type change.
122 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
124 * configure.in: recognize DOS-style absolute paths.
126 2000-11-29 Jakub Jelinek <jakub@redhat.com>
128 * expr.h (store_by_pieces): Add prototype.
129 (can_store_by_pieces): Likewise.
130 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
131 (can_store_by_pieces): New.
132 (store_by_pieces): New.
133 (clear_by_pieces): New.
134 (clear_by_pieces_1): New.
135 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
136 arbitrary compiler generated constants into memory block.
137 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
138 * builtins.c (c_readstr): New.
139 (builtin_memcpy_read_str): New.
140 (expand_builtin_memcpy): If src is string constant and
141 emit_block_move would move it by pieces, compute integer constants
142 from the string and store it into memory block instead.
143 (builtin_strncpy_read_str): New.
144 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
145 not return INTEGER_CST, don't optimize.
146 If N is larger than strlen(src) + 1, try to copy the string
147 including padding with store_by_pieces.
148 (expand_builtin_strcmp): If both arguments have side effects, don't
150 (expand_builtin_fputs): If STR has side effects, don't optimize.
152 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
154 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
155 Add use of link register.
157 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
159 * extend.texi: Update documentation for default format attributes.
161 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
163 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
164 a list, to keep track of the sections.
166 2000-11-28 Nick Clifton <nickc@redhat.com>
168 * config/arm/arm.md (pic_load_addr): Split into
169 pic_load_addr_arm and pic_load_addr_thumb.
171 * config/arm/arm.c (legitimize_pic_address): Generate either
172 ARM or Thumb versions of pic_load_addr.
173 (arm_finalize_pic): Generate either ARM or Thumb versions of
176 2000-11-28 Richard Henderson <rth@redhat.com>
178 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
179 after sibcall do_pending_stack_adjust.
181 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
183 * jump.c (delete_insn): Check that REG_LABEL note actually contains
186 2000-11-28 Neil Booth <neilb@earthling.net>
188 * c-common.h: Remove flag_digraphs.
189 * c-decl.c: Remove flag_digraphs.
190 (c_decode_option): Don't set it.
191 * c-lex.c (init_c_lex): Don't do anything for digraphs.
193 2000-11-28 Richard Henderson <rth@redhat.com>
195 * c-parse.in (finish_parse): Update for parse_in type change.
198 2000-11-28 Neil Booth <neilb@earthling.net>
200 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
201 indicating whether to scan all buffers on the stack or
203 * cppinit.c (do_includes): Update.
204 * cppmain.c (main): Update.
205 * cpplib.h: Update prototype.
207 2000-11-28 Richard Henderson <rth@redhat.com>
209 * genoutput.c (validate_insn_operands): New.
212 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
213 (divmoddi_internal): Likewise.
214 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
215 * config/i960/i960.md (branch patterns): Likewise.
216 * config/ia64/ia64.md (tbit_and_0): Likewise.
217 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
218 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
219 * config/mips/mips.md (divmodsi4_internal): Likewise.
220 (divmoddi4_internal): Likewise.
221 * config/rs6000/rs6000.md (call patterns): Likewise.
222 * config/sh/sh.md (movsi_y): Likewise.
223 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
225 2000-11-28 Richard Henderson <rth@redhat.com>
227 * config.gcc: Kill residual pyramid support.
229 2000-11-28 Neil Booth <neilb@earthling.net>
231 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
232 * c-decl.c (c_decode_option): Update to match.
233 * c-lex.c (init_c_lex, yyparse): Update to match.
234 * c-lang.c (lang_init_options): Use cpp_create_reader.
235 * cppinit.c (cpp_init): Rename initialize.
236 (cpp_reader_init): Rename cpp_create_reader. Create the
237 reader. Initialize cpplib if appropriate.
238 * cpplib.h (cpp_create_reader) New prototype.
239 (cpp_init, cpp_reader_init): Delete prototypes.
240 * cppmain.c (general_init, setup_callbacks): New functions.
242 * fix-header.c (scan_in): Change type to cpp_reader *.
243 (read_scan_file): Update for new cpplib interface and scan_in type.
245 * cp/decl.c (parse_in): Change to cpp_reader *.
246 (lang_decode_option): Update.
247 * cp/lex.c (lang_init_options): Use new cpplib interface.
248 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
249 * cp/spew.c (read_token): Update.
250 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
252 2000-11-28 Jakub Jelinek <jakub@redhat.com>
254 * loop.c (load_mems): Avoid using next_label to find end_label. If
255 jumping outside of the loop (other than loop end), don't hoist MEMs
258 2000-11-28 Jan Hubicka <jh@suse.cz>
260 * calls.c (expand_call): Don't disable tail recursion based
263 2000-11-28 Neil Booth <neilb@earthling.net>
265 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
266 (struct directive): Drop 4th argument from handlers.
267 (do_define, do_line, do_include, do_undef, do_else, do_elif,
268 do_endif): Similarly.
269 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
270 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
271 (make_definition, make_undef): Take a const char*.
272 (make_assertion): New function.
273 (struct directive_table): Update.
274 (main): Handle -A command line argument.
275 (handle_directive): Drop fourth handler argument.
277 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
279 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
280 is anything but REG or MEM, but look inside STRICT_LOW_PART.
282 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
284 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
285 (IS_ABSOLUTE_PATHNAME): New macro.
286 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
288 2000-11-28 Jakub Jelinek <jakub@redhat.com>
290 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
292 2000-11-27 Jim Wilson <wilson@redhat.com>
294 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
296 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
298 * extend.texi (Nested Functions): Update URL of Usenix paper.
300 2000-11-27 Mark Mitchell <mark@codesourcery.com>
302 * function.c (free_after_compilation): Clear x_clobber_return_insn.
304 2000-11-27 Neil Booth <neilb@earthling.net>
306 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
307 command line options.
308 (cpp_handle_option): Similarly.
309 * cpplib.h (struct cpp_options): Remove warn_paste.
310 * cppmacro.c (paste_tokens): Apart from assembler, make
311 unpasteable token warning mandatory.
313 2000-11-27 Neil Booth <neilb@earthling.net>
315 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
316 (main): Allocate a pending directive set of these. Use it.
317 Merge handling of -D and -U. Update handling of pending
318 directives. Free the memory after use.
320 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
322 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
323 (struct propagate_block_info): Add new member cond_local_set.
324 (propagate_block): Accept new arg cond_local_set. All callers
326 (init_propagate_block_info): Likewise.
327 (calculate_global_regs_live): Allocate & free cond_local_set. Always
328 rescan if there's overlap between cond_local_set and new_live_at_end.
329 (mark_set_1): Set bits either in cond_local_set or local_set, as
331 * basic-block.h (struct basic_block_def): New field cond_local_set.
332 (propagate_block, init_propagate_block_info): Update prototypes.
334 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
336 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
339 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
341 * arm.c (select_dominance_cc_mode): Handle new way that combine
342 canonicalizes conditional compares.
343 (arm_select_cc_mode): Likewise.
344 * arm.md: Garbage collect some dead code.
345 (cmp_and, cmp_ior): New patterns.
346 (splitter for conditional move with inverted false): Use cond_exec
347 and handle unordered comparisons.
349 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
351 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
352 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
353 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
354 ix86_force_to_memory and ix86_free_from_memory.
356 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
358 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
359 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
360 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
361 one_cmpldi2): Merge with splitters to create define_insn_and_split
362 patterns. Remove redundant splits.
363 (peephole2 for add:SI of invalid immediate): New.
364 (peephole2 for minus:SI of invalid immediate): New.
365 (peephole2 for ior:SI of invalid immediate): New.
366 (peephole for merge of move and compare): Convert ot peephole2.
367 (addsf3, adddf3): Mark as commutative.
369 * arm.md (thumb peephole for merging stack adjustments): Convert to
372 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
374 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
376 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
377 (reload_cse_simplify_operands): Do nothing about operands where both
378 the operand and the match_operand fail to give us a mode.
379 * simplify-rtx.c (wrap_constant): New function.
380 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
381 CONST describing the proper mode.
382 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
384 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
385 htab_find_slot_with_hash.
386 (cselib_lookup): Likewise.
388 Based on a patch from Geoff Keating <geoffk@redhat.com>:
389 * loop.c (basic_induction_var): If a REG is set from something
390 that is not a biv, then the REG is not a biv. Even if it is
391 earlier set from something that is a biv.
393 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
395 * configure.in (extra_objs): Enclose extra_headers in quotes.
396 * configure: Rebuilt.
398 2000-11-27 Neil Booth <neilb@earthling.net>
400 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
401 Combine into the new function cb_change_file.
402 (init_c_lex): Update.
403 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
404 (cpp_syshdr_flags): Delete.
405 * cpphash.h (_cpp_do_file_change): New prototype.
406 Move struct cpp_buffer here from...
407 * cpplib.h (struct cpp_buffer): ... here.
408 (enum cpp_fc_reason, struct cpp_file_loc,
409 struct_cpp_file_change, change_file): New.
410 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
411 * cpplib.c (do_line): Update for new cb_change_file callback.
412 (_cpp_do_file_change): New function.
413 (_cpp_pop_buffer): Update to use it.
414 * cppmain.c (move_printer): Delete.
415 (main): Set up single callback cb_change_file.
416 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
417 (cb_change_file): New.
418 * fix-header.c (cur_file, cb_change_file): New.
419 (recognized_function, read_scan_file): Update.
420 * scan-decls.c (scan_decls): Update.
421 * scan.h (recognized_function): Update prototype.
423 2000-11-26 Mark Mitchell <mark@codesourcery.com>
425 * tree.h (mark_tree_hashtable): New function.
426 * tree.c (mark_tree_hashtable_entry): New function.
427 (mark_tree_hashtable): Likewise.
429 2000-11-27 Michael Meissner <meissner@redhat.com>
431 * d30v-protos.h (srelational_si_operator): Correctly spell
433 (urelational_si_operator): Ditto.
434 (relational_si_operator): Ditto.
435 (d30v_expand_prologue): Add prototype.
436 (d30v_expand_epilogue): Ditto.
438 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
440 * d30v.md (movcccc_*): Delete now unused patterns.
441 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
443 (define_cond_exec): Use 'b' to select branch flags.
445 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
447 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
449 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
451 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
453 * c-common.c (c_common_nodes_and_builtins): Declare builtin
456 * extend.texi (strncmp, strncpy): Document new builtins.
458 2000-11-26 Mark Mitchell <mark@codesourcery.com>
460 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
461 a list, to keep track of the sections.
462 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
463 parameter provided will always be a canonical string.
465 2000-11-26 Neil Booth <neilb@earthling.net>
467 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
470 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
472 * makefile.vms: Remove EGCS references.
474 2000-11-26 Ulrich Drepper <drepper@redhat.com>
476 * dwarf2out.c (output_file_names): New function. Compute minimal
477 combination of directory and file name table and emit them.
478 (output_line_info): Remove code to emit directory and file name
479 table and call output_file_names instead.
480 (file_info_cmp): Helper function to sort directory names.
482 2000-11-26 Neil Booth <neilb@earthling.net>
484 * cpplib.h (struct cpp_reader): Remove lang_asm.
485 (struct cpp_options): Remove c89. New members lang,
487 * cppexp.c (parse_number): Use them.
488 * cpphash.h (VALID_SIGN): Use them.
489 * cppinit.c (set_lang, cpp_start_read): Update.
490 * cpplex.c (parse_string, _cpp_lex_token): Update.
491 * cpplib.c (_cpp_handle_directive): Update.
492 * cppmacro.c (parse_args): Update.
493 * cppmain.c (scan_buffer): Update.
495 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
497 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
500 2000-11-26 Neil Booth <neilb@earthling.net>
502 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
503 * c-decl.c: Remove parse_in declaration.
504 * c-lang.c: Similarly.
505 * c-lex.c: Similarly.
506 * c-parse.in: Similarly.
507 * c-pragma.c: Similarly.
508 * configure.in: Similarly.
509 * cp/Make-lang.in: Similarly.
510 * cp/spew.c: Similarly.
511 * cp/decl2.c: Remove check for lang-c++ option.
512 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
513 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
514 * c-lex.h: Add declaration of parse_in.
515 * cppinit.c: Call set_lang after allocating pfile->pending.
516 * configure: Regenerate.
518 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
520 * combine.c (try_combine): Remove redundant test.
522 2000-11-25 Richard Henderson <rth@redhat.com>
524 * c-common.h (DECL_C_HARD_REGISTER): New.
525 * c-decl.c (finish_decl): Set it for asm register variables.
526 * c-semantics.c (emit_local_var): Test it when instantiating one.
528 2000-11-25 Richard Henderson <rth@redhat.com>
530 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
531 lineno for the start of the function.
533 2000-11-25 Richard Henderson <rth@redhat.com>
535 * dwarf2out.c (file_table, file_table_allocated): Remove.
536 (file_table_allocated): Remove.
537 (struct file_table): New.
538 (decl_file_table, line_file_table): New.
539 (print_dwarf_line_table): Use them.
540 (size_of_line_prolog): Likewise.
541 (output_line_info): Likewise.
542 (add_src_coords_attributes): Likewise.
543 (gen_subprogram_die): Likewise.
544 (gen_variable_die): Likewise.
545 (dwarf2out_add_library_unit_info): Likewise.
546 (dwarf2out_line): Likewise.
547 (lookup_filename): Take a struct file_table argument.
548 (init_file_table): New.
549 (dwarf2out_init): Use it.
551 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
553 * invoke.texi: Update sequence points references.
555 2000-11-25 Neil Booth <neilb@earthling.net>
557 * c-common.c: Remove USE_CPPLIB conditional inclusions.
558 * c-common.h: Similarly.
559 * c-decl.c: Similarly.
560 * c-lang.c: Similarly.
561 * c-lex.c: Similarly.
562 * c-parse.in: Similarly.
563 * c-pragma.c: Similarly.
564 * c-pragma.h: Similarly.
566 * toplev.c: Similarly.
567 * cp/cp-tree.h: Similarly.
568 * cp/decl2.c: Similarly.
569 * cp/lang-specs.h: Similarly.
570 * cp/lex.c: Similarly.
571 * cp/lex.h: Similarly.
572 * cp/spew.c: Similarly.
573 * java/lang-options.h: Similarly.
574 * objc/lang-specs.h: Similarly.
575 * objc/objc-act.c: Similarly.
577 * configure.in: Remove configure option.
578 * config.in: Regenerate.
579 * configure: Regenerate.
581 2000-11-25 Richard Henderson <rth@redhat.com>
583 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
584 Revert 2000-11-22 change.
586 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
588 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
591 2000-11-25 Philipp Thomas <pthomas@suse.de>
592 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
593 * configure: Rebuilt.
595 2000-11-25 Jakub Jelinek <jakub@redhat.com>
597 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
598 Handle CONST_INT as second argument.
599 * config/sparc/sparc.c (set_extends): Remove first argument.
600 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
602 (sparc_check_64): Abort if first argument is not REG.
603 If it is DImode REG, look at the lower register of the register
606 * config/sparc/sparc.c (load_pic_register, restore_regs,
607 output_return, sparc_v8plus_shift, sparc_function_profiler,
608 sparc_function_block_profiler, sparc_block_profiler): Fix output
611 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
613 * config/sh/sh.h (TARGET_NONE): New.
614 (TARGET_SWITCHES): For all variant-selecting switch, use
615 TARGET_NONE to reset all other variant-selecting switch. Added
616 empty strings to avoid warnings.
617 (TARGET_DEFAULT): Set to SH1_BIT.
619 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
622 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
623 (sibcall_pcrel): New insn_and_split.
624 (sibcall, sibcall_value, sibcall_epilogue): New expands.
626 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
627 symPLT_label2reg, call, call_value): Don't set
628 current_function_uses_pic_offset_table.
629 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
630 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
631 takes it into account.
632 (FINALIZE_PIC): Delete, useless.
633 (LEGITIMATE_CONSTANT_P): Delete, unused.
634 * config/sh/sh.c (sh_expand_prologue): Don't use
635 current_function_uses_pic_offset_table. Don't special-case
636 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
638 (sh_expand_epilogue, initial_elimination_offset): Don't
639 special case PIC_OFFSET_TABLE_REGNUM.
641 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
643 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
644 * config/sh/sh.md (UNSPEC_CALLER): New constant.
645 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
646 (call_pcrel, call_value_pcrel): New insn_and_splits.
647 (call, call_value): Use them.
648 (call_site): New expand.
649 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
650 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
651 Output call_site label.
652 (PREDICATE_CODES): Added symbol_ref_operand.
653 * config/sh/sh.c (symbol_ref_operand): Define.
654 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
655 to CALL_INSNs in the split sequence.
657 2000-11-24 Nick Clifton <nickc@redhat.com>
659 * config.gcc (v850-*-*): Define c_target_objs and
662 * config/v850/t-v850: Define how to build v850-c.o
664 * config/v850/v850.h (struct data_area_stack_element): Move
665 definition here from v850.c.
667 * config/v850v850.c: Include gcc.h to avoid compile time
669 (push_data_area): Move to v850-c.c.
670 (pop_data_area): Move to v850-c.c.
671 (mark_current_function_as_interrupt): Move to v850-c.c.
672 (GHS_default_section_names): Allow to be exported.
673 (GHS_current_section_names): Allow to be exported.
674 (data_area_stack_elements): Allow to be exported.
675 (ghs_pragma_section): Move to v850-c.c.
676 (ghs_pragma_interrupt): Move to v850-c.c.
677 (ghs_pragma_starttda): Move to v850-c.c.
678 (ghs_pragma_startsda): Move to v850-c.c.
679 (ghs_pragma_startzda): Move to v850-c.c.
680 (ghs_pragma_endtda): Move to v850-c.c.
681 (ghs_pragma_endsda): Move to v850-c.c.
682 (ghs_pragma_endzda): Move to v850-c.c.
684 * config/v850/v850-c.c: New file: Contains v850 specific
685 pragma parsing functions.
687 2000-11-24 Nick Clifton <nickc@redhat.com>
689 * config.gcc (extra_objs): Remove duplicate description.
690 (c_target_objs): New variable. Contains target specific
691 object files for the gcc C compiler only.
692 (cxx_target_objs): New variable. Contains target specific
693 object files for the gxx C++ compiler only.
695 * configure.in (c_target_objs): Substitute in the makefile.
696 (cxx_target_objs): Substitute in the makefile.
697 * configure: Regenerate.
699 * Makefile.in (C_TARGET_OBJS): Define and initialise from
701 (CXX_TARGET_OBJS): Define and initialise from
703 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
705 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
707 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
708 about how the use of the 'c_lex' function requires the use of
709 the target specific, language specific object files feature of
710 the configuration mechanism.
712 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
714 * gcc.c (process_command): Use F_OK, not R_OK.
716 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
718 * flow.c (print_rtl_and_abort): Remove ANSIism.
720 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
722 * config/sh/sh.h (GENERAL_REGISTER_P,
723 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
724 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
726 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
727 * config/sh/sh.c: Use new macros.
728 * config/sh/sh.md: Likewise.
730 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
732 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
733 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
736 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
738 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
740 (machine_dependent_reorg): Wrong optimization based on
741 NOTICE_UPDATE_CC removed.
743 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
745 * jump.c (delete_computation): Re-instate deletion of feeding insn.
746 (delete_insn): Look for REG_LABEL notes.
747 (redirect_tablejump): Delete feeding insns.
749 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
751 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
752 call_value_pop_1): Make sure operand numbers are contiguous.
754 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
756 * reload1.c (conflicts_with_override): New function.
757 (emit_input_reload_insns): Use it to tighten test for validity
758 of substituting into output of previous insn.
760 * haifa-sched.c (struct ready_list): New.
761 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
763 (schedule_insn): Replace args READY and N_READY with a pointer to a
764 ready_list; return void. Use the new functions to access the ready
765 list. All callers changed.
766 (queue_to_ready, debug_ready_list): Likewise.
767 (schedule_block): Initialize a ready_list structure. Use new
768 functions to access it.
769 (max_priority): Remove unused variable.
770 (schedule_insn): Don't set it.
772 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
774 * combine.c (cant_combine_insn_p): New function.
775 (try_combine): Use it.
777 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
778 * c-common.c (c-obstack.c): Include "obstack.h".
779 (struct reverse_tree): Delete.
780 (reverse_list, reverse_max_depth): Delete.
781 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
782 (struct tlist, struct tlist_cache): New.
783 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
784 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
785 warn_for_collisions, warn_for_collisions_1, new_tlist): New
787 (verify_sequence_points): Rewritten.
788 * fold-const.c (fold): Don't lose possibly important sequence
789 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
791 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
793 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
794 when reversing a register-to-register copy. Reversal now disabled
795 when the previous instruction has a REG_EQUIV.
797 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
799 * c-parse.in (unary_expr): Move VA_ARG from here ...
800 (primary): ... to here.
802 2000-11-23 Graham Stott <grahams@redhat.com>
804 * expr.c (store_constructor): If a field is non addressable and
805 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
807 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
809 * flow.c (print_rtl_and_abort): New function.
810 (verify_wide_reg, verify_local_live_at_start): Try to dump more
811 information before aborting.
813 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
815 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
816 is narrower than requested mode.
817 (gen_highpart): Abort if register mode is narrower than
820 2000-11-23 Graham Stott <grahams@redhat.com>
822 * cse.c (cse_insn): Initialise all regcost variables.
823 Fix a typo add missing '='.
824 Only compare costs if there is a replacement insn.
826 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
828 * final.c (output_addr_const) [LABEL_REF]: Simplify.
829 [MINUS]: Enclose non-CONST_INTs in parentheses.
830 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
831 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
832 * varasm.c (decode_rtx_const) [CONST]: If it's not something
833 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
834 instead of abort()ing.
835 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
836 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
837 formerly handled in output_pic_addr_const.
838 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
839 operands of MINUS in CONSTs so that decode_rtx_const() will
842 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
844 * config/sh/sh.md (mova_const): New pattern.
845 (GOTaddr2picreg): Use it.
846 * config/sh/sh.c (broken_move): Match it.
847 (mova_p): Don't match it.
848 (machine_dependent_reorg): Adjust it.
850 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
852 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
853 Moved most register-number #defines...
854 * config/sh/sh.md (define_constants): ... here. Use macros to
855 refer to registers and unspecs.
856 * config/sh/sh.c: Likewise.
858 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
860 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
861 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
862 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
863 (splay-tree.o, hash.o): Likewise.
865 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
866 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
867 (hashtab.o): Likewise.
868 (gcov.o): Depend on $(CONFIG_H).
869 * configure.in: #include insn-codes.h in tm.h.
871 2000-11-22 Nick Clifton <nickc@redhat.com>
873 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
874 const char * to avoid a compile time warning.
876 * config/arm/arm.md (define_constants): Define symbolic names for
877 the link register, last integer register and the fake CC register.
878 Update patterns to use these symbolic names.
880 2000-11-22 Neil Booth <neilb@earthling.net>
882 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
883 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
885 2000-11-22 Richard Henderson <rth@redhat.com>
887 * haifa-sched.c (sched_analyze_1): Don't special-case calls
888 for clobbering registers.
889 (sched_analyze_2): Likewise.
890 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
892 2000-11-22 Chris Demetriou <cgd@sibyte.com>
893 Neil Booth <neilb@earthling.net>
895 * gcc.c (validate_switches): Validate multiple switches named
896 in '|' (or) expressions in specs.
897 (handle_braces): If more than 1 alternative in a '|' spec
898 matches, call do_spec1 just once.
900 2000-11-22 Michael Meissner <meissner@redhat.com>
902 * d30v.h (TARGET_SWITCHES): Add documentation strings.
903 (TARGET_OPTIONS): Ditto.
904 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
907 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
909 * pa.c (hppa_encode_label): Account for addition of encoding
910 character when allocating persistent space for the new label
913 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
915 * Makefile.in, config.gcc, configure.in: Expunge remaining
916 traces of facility for running MD files through C preprocessor.
918 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
920 * gcov.texi: Add magic comments for texi2pod.pl.
921 * Makefile.in: Add rules to generate and install gcov.1.
922 * gcov.1: New (generated) file.
924 2000-11-21 Richard Henderson <rth@redhat.com>
926 * regrename.c (scan_rtx_reg): Terminate the chain rather than
927 abort on mark_read with NO_REGS.
929 2000-11-21 Mike Stump <mrs@wrs.com>
931 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
932 compilation with older compilers, such as /bin/cc on SunOS.
933 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
935 2000-11-21 Richard Henderson <rth@redhat.com>
937 * varasm.c (record_constant): Pad the constructed
938 constant_descriptor appropriately.
940 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
942 * rtl.h (traverse_md_constants): Declare.
943 (struct md_constant): Define.
944 * Makefile.in (HOST_RTL): Add hashtab.o .
945 (OBJS): Add hashtab.o .
946 (hashtab.o): New rule.
947 (rtl.o): Depends on HASHTAB_H.
948 * rtl.c (hashtab.h): #include.
949 (md_constants): New static variable.
950 (def_hash, def_name_eq_p, read_constants): New static functions.
951 (traverse_md_constants): New function.
952 (read_name): Do constant expansion.
953 (read_rtx): Recognize define_constants.
954 * gencodes.c (print_md_constant): New function.
955 (main): Emit #defines for all constant definitions encountered.
956 * md.texi (Constant Definitions): New node.
957 * gensupport.c (xcalloc): New function.
959 2000-11-21 Richard Henderson <rth@redhat.com>
961 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
962 * config/alpha/alpha-protos.h: Declare it.
963 * config/alpha/alpha.md (abstf_internal): Use it.
964 (negtf_internal): Likewise.
965 (andnotdi3): Unstar the name.
966 (movtf_internal): Add o/G alternative.
968 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
970 * stringpool.c (stringpool_statistics): Also report number and
971 percentage of entries which are identifiers.
973 2000-11-21 Diego Novillo <dnovillo@redhat.com>
975 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
976 visited before visiting it.
978 2000-11-21 Nick Clifton <nickc@redhat.com>
980 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
981 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
983 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
985 2000-11-21 Richard Henderson <rth@redhat.com>
987 * c-common.c (c_unsafe_for_reeval): New function.
988 (add_c_tree_codes): Register it.
989 * c-common.h: Declare it.
990 * tree.c (lang_unsafe_for_reeval): New hook.
991 (unsafe_for_reeval): Call it.
992 * tree.h: Declare it.
994 2000-11-21 Richard Henderson <rth@redhat.com>
996 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
999 2000-11-21 Neil Booth <neilb@earthling.net>
1001 * do_includes: Revert to using cpp_read_file.
1003 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
1005 * loop.c (consec_sets_giv): If the reg we're examining is anything
1006 but UNKNOWN_INDUCT, do nothing.
1007 Reset the reg's type to UNKNOWN_INDUCT before returning.
1009 Mostly from Vladimir Makarov (vmakarov@redhat.com)
1010 * ia64.md (attr itanium_class): Define insn types as described in
1012 (all insn patterns): Use itanium_class, not type attributes.
1013 Occasionally split alternatives as necessary.
1014 (attr type): Compute from new attr itanium_class.
1016 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1018 * tradcpp.c (output_line_command): Mark system headers as such in
1021 2000-11-21 Jakub Jelinek <jakub@redhat.com>
1023 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
1024 support in as as well.
1025 * configure: Regenerate.
1027 2000-11-20 Richard Henderson <rth@redhat.com>
1029 * c-lex.c (orig_filename): New variable.
1030 (init_c_lex): Set it. Move call to cpp_start_read ...
1031 (yyparse): ... here. New function.
1032 * c-parse.in (yyparse_1): Rename the parser entry point.
1033 * c-tree.h: Declare it.
1035 2000-11-21 Jakub Jelinek <jakub@redhat.com>
1037 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
1038 integer constant, use type of op1 for comparison.
1040 2000-11-20 Stan Shebs <shebs@apple.com>
1042 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
1043 * config/rs6000/x-darwin: New file, Darwin host fragment.
1044 * config.gcc (powerpc-*-darwin*): New host.
1045 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
1046 overridden by a config file.
1048 2000-11-20 Neil Booth <neilb@earthling.net>
1050 * cppmacro.c (paste_tokens): Rename from paste_payloads.
1051 Change token type after pasting spellings.
1052 (paste_all_tokens): Use it.
1053 * gcc.dg/cpp/paste2.c: Update test.
1054 * objc/execute/paste.m: New test.
1056 2000-11-20 Richard Henderson <rth@redhat.com>
1058 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
1059 dwarf_subscr_data_formats bits.
1060 * dwarfout.c (simple_type_size_in_bits): Handle a type with
1061 no computed size as size zero.
1062 (field_byte_offset): Likewise.
1063 (subscript_data_attribute): Handle a range with no upper bound.
1065 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1067 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
1069 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
1071 * c-typeck.c (build_conditional_expr): When merging type
1072 qualifiers for conditional expressions between a pointer and a
1073 pointer to a void type, merge the qualifiers on the target types
1074 rather than the pointer type. Remove obsolete conditioned out
1077 2000-11-20 Neil Booth <neilb@earthling.net>
1079 * c-lang.c (lang_init_options): Update call to
1081 * cppmain.c (main): Similarly.
1082 * fix-header.c (read_scan_file): Similarly.
1083 * cp/lex.c (lang_init_options): Similarly.
1084 * objc/objc-act.c (lang_init_options): Similarly.
1085 * cppexp.c (parse_number): Only warn for unextended C89.
1086 * cppinit.c (set_lang): New function.
1087 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
1088 (COMMAND_LINE_OPTIONS): New option std=c++98.
1089 (cpp_handle_option): Use set_lang.
1090 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
1091 * cppib.h (enum_c_lang): New enumeration. Update comments.
1093 2000-11-20 Will Cohen <wcohen@redhat.com>
1095 * calls.c (expand_call): Clear target only when target is in
1096 hard register and current_function_check_memory_usage is set.
1098 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
1100 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
1102 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
1104 2000-11-19 Richard Henderson <rth@redhat.com>
1106 * crtstuff.c (force_to_data): Use array size 1 not 0.
1108 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
1109 no computed size as size zero.
1110 (field_byte_offset): Likewise.
1112 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
1114 * config.gcc: Fix another typo.
1116 2000-11-19 Richard Henderson <rth@redhat.com>
1118 * c-decl.c (grokdeclarator): Support flexible array members.
1119 Use open-ended ranges for these and zero-length arrays.
1120 * c-typeck.c (push_init_level): Validate the context of
1121 initialization of a zero-length array.
1122 * tree.c (int_fits_type_p): Be prepared for missing bounds.
1123 * varasm.c (array_size_for_constructor): New.
1124 (output_constructor): Use it for arrays of unspecified length.
1125 * extend.texi (Zero Length): Mention C99 flexible array members.
1126 Document initialization in a top-level struct as valid.
1128 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
1130 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
1132 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
1133 stdarg and varargs functions.
1135 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
1137 * gcc.c (process_command): Define 'j' variable when
1138 MODIFY_TARGET_NAME is defined.
1140 2000-11-19 Richard Henderson <rth@redhat.com>
1142 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
1144 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1146 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
1147 calculation and allocation.
1149 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1151 * builtins.c (c_getstr): Constify variable.
1152 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
1153 * conflict.c (const_conflict_graph_arc): New typedef.
1154 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
1155 * cppmacro.c (builtin_macro): Likewise.
1156 * dwarf2out.c (output_comp_unit): Constify variable.
1157 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
1158 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
1159 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
1161 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
1162 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
1163 * varasm.c (const_str_htab_hash, const_str_htab_eq,
1164 compare_constant_1, record_constant_1): Constify.
1166 2000-11-18 Richard Henderson <rth@redhat.com>
1168 * c-decl.c (grokdeclarator): Special case the creation of an
1169 index for a zero-length array.
1170 * tree.c (build_index_type): Revert Oct 20 change.
1172 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
1174 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
1175 * config/avr/avr.c (jump_tables_size): New variable.
1176 (function_prologue): Initialize it as 0.
1177 (function_epilogue): Add it to function_size.
1178 (avr_output_addr_vec_elt): New function. Count words in jump
1179 tables in jump_tables_size. Move code ...
1180 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
1181 Call avr_output_addr_vec_elt instead.
1182 * config/avr/avr.md (tablejump): Remove disabled define_expand.
1184 2000-11-18 Mark Mitchell <mark@codesourcery.com>
1186 * configure.in: Make --enable-new-gxx-abi the default.
1187 * configure: Likewise.
1189 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1191 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
1193 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
1194 Move extern function declarations to tradcpp.h.
1196 * tradcpp.c: Likewise.
1198 * tradcpp.h: New file.
1200 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
1202 * c-decl.c (check_for_loop_decls): New function.
1203 * c-parse.in (for_init_stmt): New.
1204 (select_or_iter_stmt): Use for_init_stmt.
1205 * c-tree.h (check_for_loop_decls): New declaration.
1207 2000-11-18 Neil Booth <neilb@earthling.net>
1209 * cppinit.c: Update comments.
1210 (cpp_reader_init): Make -imacro and -include use the standard
1211 #include "" search path.
1212 (do_includes): New function.
1214 2000-11-18 Ben Elliston <bje@redhat.com>
1216 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
1217 out of a branch delay slot.
1219 2000-11-17 Richard Henderson <rth@redhat.com>
1221 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1222 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
1223 (ASM_FILE_START): Only write out ecoff .file directive if
1224 emitting mdebug debugging.
1226 2000-11-17 Richard Henderson <rth@redhat.com>
1228 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
1229 whether as accepts .file/.loc and produces dwarf2 line info.
1230 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
1231 the assembler supports it.
1232 * config.in, configure: Regenerate.
1234 2000-11-17 Richard Henderson <rth@redhat.com>
1236 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
1238 2000-11-17 Jim Wilson <wilson@redhat.com>
1240 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
1241 Don't clear need_barrier is next_insn is a CALL_INSN, or has
1242 instruction type B or UNKNOWN.
1244 2000-11-17 Neil Booth <neilb@earthling.net>
1246 * cpperror.c (print_file_and_line): Don't display line number if 0.
1248 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
1250 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
1251 digit_vector and digit_string.
1252 * stringpool.c (digit_vector): New.
1253 (ggc_alloc_string): Use digit_string.
1255 * stmt.c (digit_strings): Delete.
1256 (init_stmt): Do not initialize digit_strings.
1257 (expand_asm_operands): Use ggc.h's digit_string macro.
1258 * toplev.c (mark_file_stack): Delete.
1259 (compile_file): Don't call init_tree_codes.
1260 (main): No need to make the file stack a GC root.
1261 * tree.c (init_tree_codes): Delete.
1262 * tree.h (init_tree_codes): Delete.
1264 * c-lex.c: Don't include ggc.h.
1265 (mark_splay_tree_node, mark_splay_tree): Delete.
1266 (init_c_lex): No need to ggc_strdup string constant. Don't add
1267 file_info_tree to GGC roots.
1268 (cb_enter_file, cb_rename_file): No need to ggc_strdup
1271 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
1273 * dbxout.c (dbxout_init),
1274 dwarf2out.c (dwarf2out_line),
1275 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
1276 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
1277 xcoffout.c (xcoffout_source_file),
1278 i386.c (load_pic_register):
1279 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
1281 * except.c (create_rethrow_ref),
1282 profile.c (init_edge_profiler),
1283 toplev.c (compile_file),
1284 varasm.c (named_section, assemble_static_space,
1285 assemble_trampoline_template, output_constant_def, force_const_mem),
1286 i386.c (load_pic_register),
1287 ia64.c (ia64_encode_section_info),
1288 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
1289 rs6000_emit_prologue, rs6000_emit_epilogue),
1290 rs6000.md (load_toc_aix_si, load_toc_aix_di):
1291 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
1293 * profile.c (output_func_start_profiler),
1295 i386.c (load_pic_register): No need to ggc_strdup string constant.
1297 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1299 * Makefile.in (config.status): Depend on config.gcc.
1300 * configure.in <for machine in $build $host $target>: Move
1301 contents of loop into config.gcc, removing autoconf quoting.
1302 Fix changequote bug for alpha*-*-vxworks*.
1303 * configure: Regenerate.
1306 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1308 * c-parse.in (if_prefix): Find the filename and line number at
1309 $-2 and $-1 respectively.
1310 * diagnostic.c (error_recursion): Add missing newline, use
1311 fputs, translate string.
1313 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1315 * stringpool.c: New file.
1316 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
1317 (ggc_alloc_string): Now in stringpool.o.
1318 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
1319 * ggc.h: Delete prototype of ggc_add_string_root. #define
1320 ggc_add_string_root and ggc_mark_string to nothing. Prototype
1321 init_stringpool and stringpool_statistics.
1322 (ggc_alloc_string): Returns a const char *.
1323 * tree.c (hash_table, do_identifier_warnings): Delete.
1324 (init_obstacks): Don't initialize the identifier hash table.
1325 (get_identifier, maybe_get_identifier, start_identifier_warnings,
1326 set_identifier_size): Now in stringpool.c.
1327 * tree.h (struct tree_string): Constify pointer field.
1328 (approx_sqrt): Prototype.
1330 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
1332 * toplev.c (approx_sqrt): New function.
1333 (compile_file): Call stringpool_statistics if mem_report is on.
1334 (main): Call init_stringpool.
1336 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
1337 (process_directive), c-typeck.c (constructor_asmspec, struct
1338 initializer_stack, start_init), except.c (create_rethrow_ref),
1339 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
1340 (built_in_filename), varasm,c (in_named_name,
1341 assemble_static_space, struct constant_descriptor, struct
1342 deferred_string, struct pool_constant, force_const_mem),
1343 i386.c (pic_label_name, global_offset_table_name), rs6000.c
1344 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
1346 * c-common.c (combine_strings): Combine strings in scratch
1347 buffer, then pass to build_string.
1348 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
1349 output_func_start_profiler), stmt.c (init_stmt), alpha.c
1350 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
1351 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
1352 rs6000.c (rs6000_encode_section_info): Create string in
1353 scratch buffer, then pass to ggc_alloc_string.
1355 * stmt.c (expand_asm_operands): If we must adjust the
1356 constraint strings, do so by creating a new one, not by
1357 modifying the old one in place. Constify some char *s.
1358 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
1359 argument. Create string in scratch buffer, then pass to
1361 * config/pa/pa-protos.h: Update prototype.
1362 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
1363 hppa_encode_label takes only one argument.
1365 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1367 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
1370 * cpplib.c (glue_header_name): Likewise.
1372 * fixincl.c (run_compiles, start_fixer): Likewise.
1374 * fixlib.c (load_file_data): Likewise.
1376 * mkdeps.c (munge): Likewise.
1378 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1380 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
1381 trailing ';'. Fix formatting.
1383 2000-11-16 Jim Wilson <wilson@redhat.com>
1385 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
1386 Shift masks left by one to avoid conflict.
1388 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
1391 2000-11-16 Nick Clifton <nickc@redhat.com>
1393 * config/arm/arm.c (output_arm_prologue): Note nested functions.
1394 (arm_expand_prologue): For nested functions preserve the
1395 static chain register during stack frame creation.
1397 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
1398 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
1399 with a stack frame there is a 4 byte gap between the arg
1400 pointer and the hard frame pointer (used to preserve the
1401 static chain register during stack frame creation).
1403 2000-11-16 DJ Delorie <dj@redhat.com>
1405 * rtl.c (read_rtx): Provide suitable names for unnamed
1406 define_insn and define_insn_and_split patterns, based on file
1409 2000-11-15 Neil Booth <neilb@earthling.net>
1411 * cpplib.c (start_directive, end_directive): New functions.
1412 (_cpp_handle_directive, run_directive): Use them.
1413 (_cpp_handle_directive): Don't -Wtraditional on indented
1415 (_cpp_push_buffer): Don't re-clear was_skipping.
1416 * cpplib.h (struct cpp_reader): New member la_saved.
1417 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
1420 gcc.dg/cpp/_Pragma1.c: Update.
1421 gcc.dg/cpp/_Pragma2.c: New test.
1423 2000-11-15 Mark Mitchell <mark@codesourcery.com>
1425 * toplev.c (wrapup_global_declarations): Don't write out
1426 artificial static variables that aren't needed.
1428 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
1430 * ia64.c (struct group): New structure.
1431 (last_group): New static array.
1432 (group_idx): New static variable.
1433 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
1434 New static functions.
1435 (emit_insn_group_barriers): Initialize and keep track of group_idx
1437 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
1438 Replace all calls to emit_insn_after that emit a group barrier to use
1439 emit_group_barrier_after.
1440 * ia64.h (MASK_B_STEP): New.
1441 (other MASK_XXX macros): Renumbered.
1442 (TARGET_B_STEP): New.
1443 (TARGET_SWITCHES): Add -mb-step.
1445 2000-11-15 Fred Fish <fnf@be.com>
1447 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
1448 machines for which fixincludes is not needed.
1449 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
1451 2000-11-15 Jason Merrill <jason@redhat.com>
1453 * diagnostic.c (finish_abort): New fn.
1454 (fancy_abort, error_recursion): Use it.
1455 * toplev.c (crash_signal): Likewise.
1456 * diagnostic.h: Declare it.
1458 2000-11-13 Andrew Haley <aph@redhat.com>
1460 * tree.c (build_type_no_quals): New function.
1461 * tree.h (build_type_no_quals): Declare.
1462 * c-common.c (c_get_alias_set): When considering type
1463 compatibility for pointer types, ignore cv-qualifiers anywhere in
1466 2000-11-15 Graham Stott <grahams@redhat.com>
1468 * regrename.c (scan_rtx_rtx): Skip to the next chain on
1469 encountering a terminated chain.
1471 2000-11-14 Mark Mitchell <mark@codesourcery.com>
1473 * configure.in: Move check for V3 above check for C++ header-file
1475 * configure: Regenerated.
1477 2000-11-14 DJ Delorie <dj@redhat.com>
1479 * config/v850/v850.c: Remove obstacks.
1481 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
1483 * config/avr/avr.c (avr_case_values_threshold): New.
1484 (avr_override_options): Set it depending on options, make it large
1485 when not optimizing to work around "unable to generate reloads".
1487 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
1488 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
1489 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
1490 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
1491 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
1492 (avr_case_values_threshold): Declare as extern int.
1493 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
1495 * config/avr/avr.md (tablejump): Removed.
1496 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
1497 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
1498 index in the table, not multiplied by 2.
1499 (casesi): Change to match the above insns. Always enable.
1501 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
1502 Change to expect the word address of the table, multiply it by 2
1503 here and not in the caller. Change "adiw" to faster "inc".
1505 2000-11-14 Neil Booth <neilb@earthling.net>
1507 * cppexp.c (parse_defined): Call cpp_get_token not
1510 * cpplex.c (cpp_output_line): Similarly.
1511 * cpplib.c (glue_header_name, do_line, do_ident,
1512 parse_answer, parse_assertion): Similarly.
1513 (_cpp_handle_diretive): Don't save to lookaheads
1514 when processing directives.
1515 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
1517 (funlike_invocation_p): Don't save to lookaheads
1518 when pre-expanding arguments.
1519 (_cpp_get_token): Delete.
1520 (cpp_get_token): Merge contents of _cpp_get_token.
1522 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1524 * builtins.c (expand_builtin_setjmp): Set
1525 current_function_calls_setjmp.
1526 (expand_builtin_longjmp): Set current_function_calls_longjmp.
1528 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
1529 (do_builtin_setjmp_setup): New insn.
1531 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1533 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
1534 (int_fits_type_p): For variable bounds, call force_fit_type.
1536 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1538 * varasm.c (struct deferred_string): New structure.
1539 (const_str_htab): New variable.
1540 (STRHASH): New macro.
1541 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
1542 constr_str_htab_eq, const_str_htab_del): New functions.
1543 (output_constant_def): Add DEFER argument, defer string
1544 constants until mark_constant_pool time if requested.
1545 (mark_constant_pool): Walk the insn chain even if const_str_htab is
1547 (mark_constants): If a SYMBOL_REF for deferred string is found,
1548 output it and remove from hash table.
1549 (output_addressed_constants): Set DEFER to 0 in call to
1550 output_constant_def.
1551 * rtl.h (STRING_POOL_ADDRESS_P): Define.
1552 (output_constant_def): Adjust prototype.
1553 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
1555 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
1557 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
1558 signed types if flag_trapv.
1560 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
1562 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
1565 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
1567 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
1569 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1571 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
1572 to array of pool_constnat pointers.
1573 (struct pool_constant): Add next_sym and label members.
1574 (struct pool_sym): Remove.
1575 (init_varasm_status): Change pool_sym into pool_constant.
1576 (mark_pool_constant): Mark pc->label string as well.
1577 (mark_pool_sym_hash_table): Remove.
1578 (mark_varasm_status): Remove it from caller as well.
1579 (free_varasm_status): Don't free pool_sym structures.
1580 (force_const_mem): Don't allocate pool_sym structure, instead
1581 fill pool->label and chain it into rtx_sym hash table.
1582 (find_pool_constant, mark_constant_pool): Use pool_constant instead
1585 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1587 * reload1.c (emit_input_reload_insns): Honour forcing of constants
1588 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
1590 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
1592 * dominance.c: New file.
1593 * Makefile.in (OBJS): Add dominance.o.
1595 * flow.c (compute_flow_dominators): Remove.
1596 (compute_immediate_dominators): Remove.
1597 (compute_immediate_postdominators): Remove.
1598 * basic-block.h: Remove their prototypes.
1599 (calculate_dominance_info): Add prototype.
1601 * dce.c (eliminate_dead_code): Change calls to above functions.
1602 Don't compute dominators but only immediate dominators.
1603 * flow.c (flow_loops_find): Change callers.
1604 * gcse.c (compute_code_hoist_data): Likewise.
1605 * haifa-sched.c (schedule_insns): Likewise.
1606 * ifcvt.c (if_convert): Likewise.
1607 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
1610 2000-11-14 Richard Henderson <rth@redhat.com>
1612 * stmt.c (warn_if_unused_value): Don't warn if the expression
1615 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
1616 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
1618 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1620 * loop.c (basic_induction_var): Revert accidental checkin.
1622 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
1624 * c-lex.c (cb_leave_file): Harmonize conditions and order of
1625 statements to those of process_directive for (action == act_pop).
1627 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
1629 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
1632 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1634 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
1637 2000-11-13 Neil Booth <neilb@earthling.net>
1639 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
1640 cases return without MI check.
1641 * cpplib.c (do_diagnostic): Take boolean of whether to
1642 print the directive name.
1643 (do_error, do_warning): Update.
1644 (do_pragma_dependency): Use it.
1645 * cpplib.h (VARARGS_FIRST): Delete.
1646 (struct cpp_token): Delete integer.
1647 * cppmacro.c (enter_macro_context): Move disabled check
1649 (_cpp_get_token): Simplify into a single loop.
1651 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1653 * configure.in: Use 'test -f' not '[ -e'.
1654 * configure: Regenerated.
1656 2000-11-13 DJ Delorie <dj@redhat.com>
1658 * config/mn10300/mn10300.md (store_movm): Note which registers are
1659 really used or clobbered.
1661 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1663 * c-parse.in (ends_in_label): Remove from %union and %type.
1664 (decls, stmts, lineno_stmt_or_labels, xstmts,
1665 lineno_stmt_or_label, stmt_or_label): Remove.
1666 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
1667 lineno_stmt_decl_or_labels_ending_decl,
1668 lineno_stmt_decl_or_labels_ending_label,
1669 lineno_stmt_decl_or_labels_ending_error,
1670 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
1671 lineno_stmt, lineno_label): New.
1672 (compstmt_nostart): Use compstmt_contents_nonempty.
1674 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1676 * c-common.c (boolean_increment): New function.
1677 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
1678 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
1679 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
1680 (boolean_increment): Declare.
1681 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
1682 * c-decl.c (init_decl_processing): Create boolean nodes.
1683 (finish_struct): Allow for _Bool bitfields.
1684 * c-parse.in (reswords): Add _Bool.
1685 (rid_to_yy): Allow for RID_BOOL.
1686 * c-typeck.c (default_conversion): Make booleans promote to int.
1687 (convert_arguments, build_unary_op, build_modify_expr,
1688 convert_for_assignment): Allow for booleans.
1689 * ginclude/stdbool.h: Make conforming to C99.
1691 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1693 * c-parse.in (c99_block_start, c99_block_end,
1694 c99_block_lineno_labeled_stmt): New.
1695 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
1696 (stmt): Split off selection and iteration statements into...
1697 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
1699 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1701 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
1704 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1706 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
1707 Rewrite to avoid use of match_dup. Don't try to tie registers that
1708 are not in the same mode.
1710 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1712 * invoke.texi: Update lists of languages and suffixes supported.
1714 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1716 * configure.in: Take toplevel configure arguments from the
1717 environment to create configargs.h and substitute
1718 gcc_config_arguments, taking account of any existing configargs.h
1720 * configure: Regenerate.
1721 * gccbug.in: Include toplevel configure arguments in gccbug.
1723 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1725 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
1726 union to make it well-aligned. Update all uses.
1728 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1730 * c-parse.in (initelt): Give appropriate pedantic warnings,
1731 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
1733 (designator): If pedantic, pedwarn for a designator specifying a
1735 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
1737 * extend.texi: Document the C99 syntax as the preferred syntax,
1738 and the pre-2.5 syntax as obsolete. Mention use of designator
1739 lists for nested subobjects.
1741 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1743 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
1744 Add ATTRIBUTE_PRINTF.
1745 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
1746 Add ATTRIBUTE_PRINTF*.
1748 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1750 * function.c (assign_parms): When calling put_var_into_stack, make
1751 sure that there are no hidden pending sequences.
1753 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1755 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
1756 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
1759 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
1761 * c-common.c (c_common_nodes_and_builtins): Declare index and
1762 rindex when nonansi builtins are allowed.
1764 * extend.texi (index, rindex): Document new builtins.
1766 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1768 * configure.in: Turn on libstdc++ V3 by default.
1769 * configure: Regenerated.
1771 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
1773 2000-11-12 Jakub Jelinek <jakub@redhat.com>
1775 * reload1.c (set_label_offsets): Go inside of PARALLELs.
1777 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
1779 * invoke.texi: Clean up option summary.
1781 2000-11-12 Nick Clifton <nickc@redhat.com>
1783 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
1784 of #include headers.
1786 2000-11-12 Marc Espie <espie@openbsd.org>
1788 * configure.in: Fix filds test.
1791 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1793 * jump.c (delete_computation): Don't assume that just becuase an
1794 instruction sets a register, that register is dead.
1796 2000-11-12 Neil Booth <neilb@earthling.net>
1798 * cppexp.c: Don't worry about pfile->skipping.
1799 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
1800 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
1801 for handled directives.
1802 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
1803 and releasing lookaheads.
1804 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
1805 (do_else, do_elif, push_conditional): Update logic.
1806 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
1807 (unwind_if_stack): Inline into cpp_pop_buffer.
1808 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
1809 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
1810 multiple-include optimisation.
1811 * cpplib.h (struct cpp_buffer): New member was_skipping.
1812 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
1813 works because skipping == 0 in directives.
1814 (_cpp_release_lookahead): Renamed from release_lookahead.
1815 (cpp_get_token): No need to check skipping as _cpp_get_token does
1816 this for us. No need to handle MI optimisation.
1818 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
1820 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
1821 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
1822 * fixinc/fixincl.x: Regenerated.
1824 2000-11-11 Bruce Korb <bkorb@gnu.org>
1826 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
1827 (avoid_wchar_t_type): ditto
1828 * fixinc/fixinc.irix: obsoleted
1830 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
1832 * configure.in: Don't add $outputs to all_lang_makefiles. Add
1833 $srcdir/$s/Makefile.in if it exists.
1834 * configure: Regenerate.
1836 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
1838 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
1840 2000-11-11 Jason Merrill <jason@redhat.com>
1842 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
1843 give the parm a register and then call put_var_into_stack.
1844 * stmt.c (expand_decl): Likewise.
1846 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1848 * gcc.texi: Adjust wording.
1850 2000-11-11 Mark Mitchell <mark@codesourcery.com>
1852 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
1853 * fininc/fixincl.x: Regenerated.
1855 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1857 * invoke.texi: Correct spelling of -foptimize-register-move.
1859 2000-11-11 Neil Booth <neilb@earthling.net>
1861 Remove CPP_PLACEMARKERs.
1863 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
1864 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
1865 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
1867 * cpplib.h: Remove CPP_PLACEMARKER.
1868 (struct lexer_state): Rename skip_newlines to next_bol.
1869 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
1870 Simplify prev_white handling as a result.
1871 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
1872 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
1873 (parse_args): Similarly. Update argument count tests.
1874 (enter_macro_context): Return 2 to indicate an empty macro.
1875 (replace_args): Don't bother pre-expanding an empty argument.
1876 Handle placemarkers and ## extension during pre-expansion.
1877 (cpp_get_token): Handle empty macro expansions. Don't worry
1878 about CPP_PLACEMARKERs.
1879 (_cpp_create_definition): Empty macros are now empty.
1880 (cpp_macro_defintion): Don't special case empty macros.
1881 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
1882 * c-lex.c: Similarly.
1884 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1886 * gcc.texi, invoke.texi: Add new section discussing language
1887 standards; link to it where appropriate; refer to ISO C instead of
1890 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
1892 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
1895 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
1898 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1900 * gcc.texi, gcov.texi: Update dates and version numbers.
1902 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
1904 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
1905 flex and bison, specifically, first in a unified build and
1906 then installed on the system.
1907 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
1908 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
1911 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
1912 cppdefault.o): Remove pointless sed munging of source file
1915 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
1917 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
1918 for address reloads. Push replacements for REG_INC notes.
1919 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
1921 * reload1.c (choose_reload_regs): Registers set in the insn can't be
1922 used for RELOAD_OTHER reloads.
1924 2000-11-10 Mark Mitchell <mark@codesourcery.com>
1926 * c-dump.h: New file.
1928 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1930 * alpha.c (check_float_value): Use memcpy, not bcopy.
1931 * arm.c (output_move_double): Likewise.
1933 * m88k.c (legitimize_operand): Likewise.
1934 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1935 * m88k.md: Likewise.
1936 * mips.c (override_options): Likewise.
1937 * mips.md: Likewise.
1938 * romp.c (output_fpops): Likewise.
1939 * rs6000.c (rs6000_override_options): Likewise.
1941 * vax.c (check_float_value): Likewise.
1943 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
1944 * expmed.c (synth_mult): Likewise.
1945 * final.c (add_bb_string): Likewise.
1946 * genattr.c (main): Likewise.
1947 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
1949 * jump.c (thread_jumps): Likewise.
1950 * prefix.c (save_string): Likewise.
1951 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
1952 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
1953 * reload1.c (reload, eliminate_regs): Likewise.
1955 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1957 * gcc.texi (Service): Update to reflect current practice and
1958 location of the GNU service directory.
1960 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
1962 * regrename.c (build_def_use): Mark contents of REG_INC notes as
1963 needing replacement.
1965 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
1966 a no-op move if regs are equal.
1967 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
1968 when calling jump after post-reload splitting.
1970 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
1972 * c-tree.texi: Fix typos.
1973 * extend.texi: Likewise
1974 * gcov.texi: Likewise
1975 * rtl.texi: Likewise
1978 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
1980 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1981 in_system_header and flags[1] before dereferencing flags[2].
1983 2000-11-09 Matthew Hiller <hiller@redhat.com>
1985 * reload1.c (reload_combine): Fixed calculation of
1986 first_index_reg, last_index_reg.
1988 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1990 * c-dump.c (dequeue_and_dump): Dump function bodies.
1992 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1993 (c-dump.o): New target.
1994 * c-common.h (flag_dump_translation_unit): New variable.
1995 (C_TYPE_QUALS): New macro.
1996 (strip_array_types): New function.
1997 (DECL_C_BIT_FIELD): New macro.
1998 (SET_DECL_C_BIT_FIELD): Likewise.
1999 (CLEAR_DECL_C_BIT_FIELD): Likewise.
2000 (dump_info_p): New typedef.
2001 (dump_tree_fn): Likewise.
2002 (lang_dump_tree): New variable.
2003 (dump_node_to_file): New function.
2004 * c-common.c (flag_dump_translation_unit): Define it.
2005 (strip_array_types): New function.
2006 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
2007 * c-lang.c (finish_file): Call dump_node_to_file if
2008 flag_dump_translation_unit.
2009 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
2010 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
2011 * c-dump.c: New file.
2013 2000-11-09 Christopher Faylor <cgf@cygnus.com>
2015 * config/i386/cygwin.h: Add mingw startfile prefix.
2017 2000-11-09 Richard Henderson <rth@redhat.com>
2019 * flow.c (invalidate_mems_from_set): Split out from ...
2020 (mark_set_1): ... here.
2021 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
2022 instead of turning insn into a NOTE_INSN_DELETED.
2024 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2026 * extend.texi, invoke.texi: Move documentation of builtin versions
2027 of C library functions to one place and update.
2029 2000-11-09 Richard Henderson <rth@redhat.com>
2031 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
2032 the types themselves to discover type equivalence.
2034 2000-11-09 Mike Stump <mrs@wrs.com>
2036 * Makefile.in (distclean): Remove a few extra leftovers.
2038 2000-11-09 Richard Henderson <rth@redhat.com>
2040 * recog.c (validate_replace_rtx_1): Consider subregs when
2041 replacing a register with a constant inside a sign/zero_extend.
2043 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2045 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
2047 * c-decl.c (finish_struct): When a structure is completed,
2048 check all its variant types for completeness.
2050 2000-11-09 Neil Booth <neilb@earthling.net>
2052 * cpphash.c: Move cpp_defined here from cpplib.c.
2053 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
2054 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
2055 * cppmacro.c (cpp_get_token): Update comments, no need now
2056 to catch the CPP_EOF meaning EOL case.
2058 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
2060 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
2061 is more than that provided, copy to a temporary.
2063 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
2065 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
2066 interpreting $out as a macro assignment.
2067 * Makefile.in (T_TARGET): New auxiliary macro and target.
2068 (all): Add a target right in the beginning, so that we don't build
2069 T_TARGET by default.
2071 2000-11-09 Graham Stott <grahams@redhat.com>
2073 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
2074 order for -mintel-syntax. Remove comment now that the operand
2075 order has been checked.
2076 (mmx_pextrw): Likewise.
2077 (mmx_pshufw): Likewise.
2079 2000-11-09 Jakub Jelinek <jakub@redhat.com>
2081 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
2082 (c_getstr): New function.
2083 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
2084 If both arguments are constant string, optimize out.
2085 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
2086 (expand_builtin_strpbrk): Use c_getstr, do nothing if
2087 -fcheck-memory-usage.
2088 (expand_builtin_fputs): Likewise.
2089 (expand_builtin_strcmp): Add MODE argument.
2090 Use even if !HAVE_cmpstrsi.
2091 Optimize the case when both arguments are constant strings.
2092 (expand_builtin): Adjust expand_builtin_strcmp caller.
2093 Call expand_builtin_strchr and expand_builtin_strrchr.
2094 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
2096 * builtins.def (BUILT_IN_STRRCHR): Add.
2098 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2100 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
2102 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
2104 * calls.c (expand_call, emit_library_call_value_1), collect2.c
2105 (scan_prog_file), config/a29k/a29k.c (print_operand),
2106 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
2107 instead of bcopy ().
2108 * real.h: Use memcmp () instead of bcmp ().
2109 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
2110 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
2111 ultrasparc_sched_init, ultrasparc_sched_reorder),
2112 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
2113 instead of bzero ().
2114 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
2115 instead of rindex ().
2116 * configure.in: Don't check for bzero, bcmp, index or rindex.
2117 * configure, config.in: Regenerate.
2118 * system.h: Don't include declarations for bzero, bcmp, index or
2120 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
2121 bzero, bcmp, index or rindex.
2123 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
2125 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
2126 include and library paths from -mcygwin case. Parameterize some
2127 declarations to avoid warnings. Use standard locations for include and
2130 2000-11-08 Nick Clifton <nickc@redhat.com>
2132 * config/arm/arm.md (mulsidi3adddi): Change output operand
2133 constraint from "=&" to "+&".
2134 (umulsidi3adddi): Change output operand constraint from "=&" to
2137 2000-11-08 Richard Henderson <rth@redhat.com>
2139 * flow.c (init_propagate_block_info): Protect the rtx stored in
2140 mem_set_list from modification by find_auto_inc.
2141 (mark_set_1): Likewise.
2143 2000-11-08 Neil Booth <neilb@earthling.net>
2145 Move directive handling into the lexer itself.
2147 * cpplex.c (_cpp_lex_token): Handle directives directly.
2148 In the case of a directive interrupting a function-like
2149 macro invocation, use extra_char since read_ahead is
2150 used to store the '#'. Return a CPP_EOF in this case.
2151 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
2152 (cpp_get_token): Don't handle directives here.
2153 * cpplib.h: Remove CPP_DHASH token type.
2155 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
2157 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
2158 formed using PRE_MODIFY too.
2160 2000-11-08 Mark Mitchell <mark@codesourcery.com>
2162 * c-tree.texi (VAR_DECL): Describe representation of GCC's
2163 extension for placing variables in particular registers.
2165 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
2166 unprototyped C functions with no parameters.
2168 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2170 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
2171 before passing to fprintf.
2173 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2175 * function.c (expand_function_start): Cast GET_MODE_SIZE to
2176 HOST_WIDE_INT before negating it.
2178 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2180 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
2181 passed in multiple non-contiguous locations.
2183 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2185 * README.gnat: Remove file.
2187 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
2189 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
2192 2000-11-07 Richard Henderson <rth@redhat.com>
2194 * dwarfout.c (INSN_LABEL_FMT): Remove.
2195 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2196 (dwarfout_label): Remove.
2197 * dwarfout.h: Remove it's prototype.
2198 * dwarf2out.c (INSN_LABEL_FMT): Remove.
2199 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2200 (dwarf2out_label): Remove.
2201 * dwarf2out.h: Remove it's prototype.
2202 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
2204 2000-11-07 Richard Henderson <rth@redhat.com>
2206 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
2207 search on the unwind region section.
2209 * config/ia64/ia64.md (movbi): Add r/r alternative.
2210 (cmovdi_internal_astep): Describe all combinations of register
2211 classes for sources & destinations; remove matching constraints.
2212 (cmovdi_internal): Likewise.
2214 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
2216 2000-11-07 Richard Henderson <rth@redhat.com>
2218 * c-lang.c (start_cdtor, finish_cdtor): New functions.
2219 (finish_file): Use them in building constructor/destructor functions.
2221 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
2222 LD_FINI_SWITCH): Move ...
2223 * config/alpha/osf.h: ... here.
2224 * config/alpha/alpha-interix.h: Don't undef them.
2226 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
2228 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
2229 included in libgcc.a.
2231 (dp-bit.c): Likewise.
2232 (fp-bit.c): Likewise.
2234 2000-11-07 Nick Clifton <nickc@redhat.com>
2236 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
2237 (INTERNAL_ASM_OP): Add missing tab.
2239 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2241 * alias.c (init_alias_analysis), calls.c (expand_call,
2242 emit_library_call_value_1), combine.c (init_reg_last_arrays),
2243 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
2244 (init_output_buffer, set_diagnostic_context), dwarf2out.c
2245 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
2246 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
2247 function.c (assign_parms), gcse.c (compute_can_copy,
2248 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
2249 compute_hash_table, compute_set_hash_table,
2250 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
2251 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
2252 clear_units, schedule_block), integrate.c (initialize_for_inline,
2253 expand_inline_function), jump.c (thread_jumps), local-alloc.c
2254 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
2255 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
2256 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
2257 record_reg_classes, allocate_reg_info), reload.c
2258 (get_secondary_mem, remove_address_replacements, find_reloads),
2259 reload1.c (reload, set_initial_label_offsets, finish_spills,
2260 reload_as_needed, choose_reload_regs_init,
2261 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
2262 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
2263 (rename_registers), stmt.c (expand_end_case), unroll.c
2264 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
2265 () instead of bzero ().
2267 2000-11-07 Neil Booth <neilb@earthling.net>
2269 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
2271 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2273 * c-common.c (combine_strings): Only warn about long strings for C.
2275 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
2277 * combine.c (distribute_notes): Fix typo in last change.
2279 2000-11-07 Geoff Keating <geoffk@redhat.com>
2281 * config/rs6000/rs6000.md (movdi_internal32+1): Use
2282 operand_subreg_force rather than gen_rtx_SUBREG.
2283 (movdi_internal32+2): Likewise.
2285 2000-11-07 Philip Blundell <philb@gnu.org>
2287 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
2288 * config/arm/linux-aout.h: Likewise.
2289 * configure: Regenerate.
2291 2000-11-07 Philipp Thomas <pthomas@suse.de>
2293 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
2294 accepted my the gettext maintainer.
2296 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2298 * builtins.c (expand_builtin_strpbrk): New function.
2299 (expand_builtin): Handle BUILT_IN_STRPBRK.
2301 * builtins.def (BUILT_IN_STRPBRK): New entry.
2303 * c-common.c (c_common_nodes_and_builtins): Declare builtin
2306 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
2308 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
2309 * POTFILES.in: Add config/alpha/freebsd.h
2310 * configure.in: Add alpha*-freebsd support.
2311 * configure: Regenerate.
2313 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2315 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
2316 copy of ptr_type_node rather than ptr_type_node itself.
2318 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
2320 * combine.c (recog_for_combine): Allocate uninitialized vector with
2322 * recog.c (apply_change_group): Likewise.
2324 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
2326 * flow.c (verify_local_live_at_start): Back out last change.
2327 * combine.c (distribute_notes): When parts of a hard reg are
2328 neither set nor referenced in PLACE, search backwards for a
2329 place to put a REG_UNUSED note; if none found, ask for flow
2332 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
2334 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
2335 with (clobber (match_scratch...)).
2337 2000-11-06 Neil Booth <neilb@earthling.net>
2339 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
2342 2000-11-06 Neil Booth <neilb@earthling.net>
2344 * tradcpp.c (special_symbol): Assign an null string rather
2345 than writing to an unallocated buffer.
2347 2000-11-06 Neil Booth <neilb@earthling.net>
2349 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
2352 2000-11-06 Neil Booth <neilb@earthling.net>
2354 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
2355 tok.val.arg_no as appropriate.
2356 * cppexp.c (lex): Similarly.
2357 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
2358 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
2359 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
2360 cpp_macro_definition): Similarly.
2361 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
2363 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2365 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
2366 operands[1] is constant, calculate the sum and generate movdi.
2367 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
2368 (subsi3): Use SImode in call to arith_4096_operand.
2370 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2372 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
2373 adjust %o1, not %o0 if the return type is large structure.
2375 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2377 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
2378 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
2380 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2382 * expmed.c (expand_divmod): For signed divide by 2, prefer
2383 a branch and fewer shifts if branches are very cheap.
2385 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
2387 * Makefile.in: Remove all targets related to building
2388 distributions and diffs, or INSTALL.
2389 * INSTALL, install1.texi: Remove.
2390 * configure.in: Remove mention of distdir.
2391 * configure: Regenerate.
2392 * objc/Make-lang.in: Remove mention of distdir.
2394 2000-11-04 Neil Booth <neilb@earthling.net>
2396 * cpp.texi: Update for _Pragma.
2398 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
2400 * gcc.texi (Contributing): Update URL for projects web page.
2402 2000-11-04 Neil Booth <neilb@earthling.net>
2404 * cpplex.c (parse_string): Don't allow multiline strings in
2405 #include family directives.
2407 2000-11-04 Neil Booth <neilb@earthling.net>
2409 * cpplib.c (do_line): Only warn pedantically if not reading
2412 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
2414 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
2417 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
2419 * builtins.c (expand_builtin_strlen): Remove unused mode
2421 * gcc.c (process_command): Remove unused variable.
2422 * fold-const.c: Include expr.h.
2423 * recog.c: Include reload.h.
2424 * Makefile.in (recog.o, fold-const.o): Update deps.
2426 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
2428 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
2430 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
2432 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
2434 (STARTFILE_SPEC): Likewise.
2435 (LINK_SPEC): Likewise.
2437 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2439 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
2440 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
2441 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
2443 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
2445 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
2446 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
2447 perm_calloc, get_identifier, maybe_get_identifier,
2448 real_value_from_int_cst, simple_cst_equal), varasm.c
2449 (assemble_name, assemble_real, immed_real_const_1,
2450 compare_constant_1, decode_rtx_const, output_constant_pool): Use
2451 strrchr () instead of rindex (). Use memcmp () instead of bcmp
2452 (). Use memcpy () instead of bcopy (). Use memset () instead of
2455 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
2457 * cppfiles.c (open_file): If already read, then don't reopen.
2458 Immediately close an empty file.
2460 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2462 * expr.h (fold_builtin): Move declaration...
2463 * tree.h (fold_builtin): ... here.
2465 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
2467 * flow.c (verify_local_live_at_start): Allow hard regs to die.
2469 2000-11-02 Neil Booth <neilb@earthling.net>
2472 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
2473 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
2474 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
2475 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
2476 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
2477 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
2478 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
2479 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
2480 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
2481 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
2482 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
2483 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
2484 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
2485 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
2486 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
2487 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
2488 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
2489 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
2490 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
2491 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
2492 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
2493 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
2494 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
2495 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
2496 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
2497 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
2498 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
2499 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
2500 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
2501 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
2502 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
2503 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
2504 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
2505 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
2506 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
2507 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
2508 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
2509 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
2510 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
2511 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
2512 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
2513 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
2514 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
2515 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
2516 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
2517 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
2518 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
2519 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
2520 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
2521 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
2522 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
2523 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
2524 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
2525 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
2526 vax/vaxv.h, vax/vms.h, we32k/we32k.h
2528 Replace -A() with -A=, the new assertion syntax.
2530 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
2532 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
2534 In REG_DEAD handling: When handling parts of multi-hard-reg hard
2535 registers, increment the loop counter by the size of the parts;
2536 use recursion to handle individual parts.
2538 2000-11-02 Neil Booth <neilb@earthling.net>
2540 * configure.in: Make integrated CPP the default.
2541 * configure: Regenerate.
2543 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
2545 * reload.c (find_equiv_reg): Test all hard registers for membership
2546 in the requested class.
2548 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2550 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
2551 process_command, main), gcov.c (open_files, output_data), tlink.c
2552 (frob_extension, scan_linker_output), toplev.c
2553 (file_name_nondirectory): Use strchr () and strrchr () instead of
2554 index () and rindex ().
2556 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2558 * c-common.c (get_flag_spec, check_format_info_main,
2559 check_format_types): Use strchr () instead of index (). Compare
2560 against error_mark_node instead of comparing the TREE_CODE against
2563 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
2567 * c-lex.c (init_c_lex): Update cpp_start_read call.
2568 (cb_ident): Update for new callback prototype.
2569 (cb_def_pragma): Update for new cpp_get_token prototype.
2570 (c_lex): Similarly. Use cpp_get_line.
2572 * c-parse.in (finish_parse): Update for new cpp_finish
2575 * cp/lex.c (finish_parse): Similarly.
2577 2000-11-01 Geoff Keating <geoffk@cygnus.com>
2579 * machmode.def: Add V16QImode.
2581 2000-11-01 Richard Henderson <rth@redhat.com>
2583 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
2584 from rtl_for_decl_location.
2585 (add_location_or_const_value_attribute): Likewise.
2587 2000-11-01 Neil Booth <neilb@earthling.net>
2589 * cpplib.c (run_directive): Use correct line number for output
2590 of _Pragma. Remember any in-progress directive.
2592 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
2594 2000-11-01 Richard Henderson <rth@redhat.com>
2596 * stmt.c (expand_start_null_loop): Set continue_label.
2598 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2600 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
2601 (expand_builtin_constant_p): Move parts of the code into
2602 fold_builtin_constant_p.
2603 (expand_builtin_strlen): Move parts of the code into fold_builtin.
2604 * expr.h (fold_builtin): Declare.
2605 * fold-const.c (fold): Handle builtin calls.
2607 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
2609 2000-11-01 Richard Henderson <rth@redhat.com>
2611 * stmt.c (expand_start_null_loop): New.
2612 (expand_end_null_loop): New.
2613 * c-semantics.c (genrtl_do_stmt): Use them.
2614 * tree.h: Declare them.
2616 2000-11-01 Richard Henderson <rth@redhat.com>
2618 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
2620 2000-11-01 Neil Booth <neilb@earthling.net>
2622 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
2623 * cp/spew.c: Similarly.
2624 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
2625 * cppmacro.c (stringify_arg): Similarly.
2626 * cpplib.h (CPP_BACKSLASH): Delete.
2628 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2630 * builtins.c (expand_builtin_strstr): New function.
2631 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
2633 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
2635 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
2638 2000-10-31 Richard Henderson <rth@redhat.com>
2640 * config/i386/i386.c (fcmov_comparison_operator): Check for
2641 CCFPmode or CCFPUmode instead of CCmode.
2642 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
2643 unordered operations as well.
2645 2000-10-31 Richard Henderson <rth@redhat.com>
2647 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
2648 of integer_zero_node.
2650 2000-10-31 Richard Henderson <rth@redhat.com>
2652 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
2654 2000-10-31 Nick Clifton <nickc@redhat.com>
2656 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
2657 -fdata-sections to override the section attribute of a DECL.
2659 2000-10-31 Chris Demetriou <cgd@sibyte.com>
2661 * libgcc2.c (__shtab): Remove __shtab variable.
2662 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
2663 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
2666 2000-10-31 Jim Wilson <wilson@redhat.com>
2668 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
2669 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
2670 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
2671 instead of ASM_OUTPUT_INTERNAL_LABEL.
2672 (dwarf2out_end_block, dwarf2out_label): Likewise.
2673 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
2674 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
2676 2000-10-31 Richard Henderson <rth@redhat.com>
2678 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
2679 (size_of_locs): Set it.
2680 (output_loc_operands): Use it to compute branch displacement.
2681 (int_loc_descriptor): New.
2682 (mem_loc_descriptor): Dereference memory in the proper size.
2683 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
2684 (loc_descriptor_from_tree): New.
2685 (rtl_for_decl_location): Break out from ...
2686 (add_location_or_const_value_attribute): ... here.
2687 (add_bound_info): Use loc_descriptor_from_tree.
2689 2000-10-31 Neil Booth <neilb@earthling.net>
2691 * cpp.texi: Update for new command line assertion syntax.
2692 * cpplib.c (cpp_define): Simplify a bit.
2693 (cpp_assert, cpp_unassert): Use handle_assertion.
2694 (handle_assertion): New function; accept new command line
2696 * testsuite/gcc.dg/cpp/assert3.c: New tests.
2698 2000-10-31 Neil Booth <neilb@earthling.net>
2700 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
2701 undefined. Remove #ifdef check.
2702 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
2703 Define STDC_0_IN_SYSTEM_HEADERS to 1.
2705 2000-10-31 Jan Hubicka <jh@suse.cz>
2706 Jakub Jelinek <jakub@redhat.com>
2708 * config/i386/i386.h: Clarify CCNOmode description in comment.
2709 (EXTRA_CC_MODES): Remove CCRCmode.
2710 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
2711 (put_condition_code, ix86_match_ccmode): Likewise.
2712 (ix86_cc_mode): Likewise. Fix comment.
2713 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
2714 * config/i386/i386.md: Add unspec 12 description.
2715 (adddi3 split): Use unspec 12 instead of CCRCmode.
2716 (addsi3_carry_rc): Remove.
2717 (addsi3_cc, addqi3_cc): New patterns.
2718 (addsi_3): Swap operands, match CCZmode.
2719 (addsi_4): Rewritten.
2720 (addsi_5): Renamed from addsi_6.
2722 (addhi_3): Swap operands, match CCZmode.
2723 (addhi_4): Rewritten.
2724 (addhi_5): Renamed from addhi_6.
2726 (addqi_3): Swap operands, match CCZmode.
2727 (addqi_4): Rewritten.
2728 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
2729 (subsi3_carry_rc): Removed.
2730 (iorqi_3): Use =q constraint for clobber.
2731 (xorqi_cc_2): Likewise.
2732 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
2733 (x86_movsicc_0_m1_rc): Removed.
2734 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
2736 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
2738 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
2739 and decrement of complex types.
2741 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2743 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
2744 builtin fputs, ensure we still evaluate the stream in case it
2747 2000-10-31 Jakub Jelinek <jakub@redhat.com>
2749 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
2752 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
2754 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
2755 (fp_extended_operand, emit_fpscr_use): Likewise.
2756 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
2757 (fpul_operand): New function.
2758 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
2759 fp_extended_operand. Add fpul_operand.
2760 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
2761 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
2762 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
2763 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
2764 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
2765 (divdf3_i): Likewise.
2766 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
2767 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
2768 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
2769 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
2770 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
2772 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
2774 * config/i386/i386.c (ix86_init_builtins): Correct return type
2775 building v4hi_ftype_v4hi_int_int tree node.
2776 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
2777 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
2779 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
2781 (mmx__uavgv8qi3): Correct insn mnemonic.
2782 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
2783 (mmx_punpckhwd): Correct insn mnemonic.
2784 (mmx_punpckhdq): Likewise.
2785 (mmx_punpcklwd): Likewise.
2786 (mmx_punpckldq): Likewise.
2787 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
2788 Renumber case labels to match the _mm_prefetch constants defined in
2791 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
2792 if the splitter didn't emit new insns.
2793 Make sure we call cleanup_subreg_operands even when splitting the last
2794 insn in a basic block.
2796 * invoke.texi (Debugging Options): Describe -do.
2797 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
2798 (dump_file): Likewise.
2799 (rest_of_compilation): Split .greg dump into .greg and .postreload.
2801 2000-10-30 Neil Booth <neilb@earthling.net>
2803 * cppfiles.c (stack_include_file): Check for stacked contexts
2805 * cpphash.h (_cpp_do__Pragma): New prototype.
2806 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
2808 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
2809 escaped newlines if !(buffer->from_stage3).
2810 (_cpp_lex_token): Warn about missing newlines iff
2811 !buffer->from_stage3.
2813 * cpplib.c (get__Pragma_string, destringize,
2814 _cpp_do__Pragma): New functions.
2815 (run_directive): Set output_line for _Pragma to avoid line
2816 markers in output. Set from_stage3 and prevent macro expansion
2817 for _Pragma and command-line options. Check buffer exhaustion.
2818 (cpp_push_buffer): Don't check for stacked macro contexts, as
2819 this is perfectly legitimate for _Pragma. Move the check to
2820 stack_include_file instead. Set from_stage3 iff buffer is
2823 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
2824 unsigned. New boolean from_stage3.
2825 (struct spec_nodes): Add n__Pragma.
2827 * cppmacro.c (enter_macro_context): Flip sense of return value.
2828 (_cpp_get_token): Handle _Pragma operator.
2830 2000-10-30 Phil Edwards <pme@sources.redhat.com>
2832 * gcc.texi: The C++ standard isn't "draft" anymore.
2834 2000-10-30 Mark Mitchell <mark@codesourcery.com>
2836 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
2838 2000-10-29 Neil Booth <neilb@earthling.net>
2840 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
2842 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
2844 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
2845 fixinc/inclhack.def: Change comments mentioning C9X to refer to
2848 * invoke.texi: Document that -V will only work for very similar
2849 versions of driver and compiler.
2851 2000-10-29 Neil Booth <neilb@earthling.net>
2853 * cppmacro.c (_cpp_create_definition): Optimize the case of
2854 a macro defined to itself.
2856 2000-10-29 Neil Booth <neilb@earthling.net>
2858 * cpplex.c (save_comment): Don't store new lines in C++ comments.
2860 2000-10-29 Michael Hayes <mhayes@redhat.com>
2862 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
2864 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
2866 * cpphash.c (cpp_forall_identifiers): Add context variable
2867 for callback routine.
2868 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
2870 (main): Call cpp_forall_identifiers with null context.
2871 * cpplib.h (cpp_forall_identifiers): Update prototype.
2873 * cppmain.c: Make `parse_in' and `print' static.
2875 2000-10-28 Alan Modra <alan@linuxcare.com.au>
2877 * c-decl.c (finish_function): Clear c_function_name_declared_p.
2879 2000-10-28 Richard Henderson <rth@redhat.com>
2881 * regrename.c (scan_rtx_address): Frob action, not class,
2882 when trying to disable optimization.
2884 2000-10-28 Mark Mitchell <mark@codesourcery.com>
2886 * c-semantics.c (make_rtl_for_local_static): Don't clobber
2887 DECL_ASSEMBLER_NAME.
2889 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
2891 * configure.in: Determine and substitute gcc_version_full.
2892 * configure: Regenerate.
2893 * gccbug.in: Use it to give full version. Don't allow
2896 2000-10-28 Richard Henderson <rth@redhat.com>
2898 * recog.c (split_all_insns): Run cleanup_subreg_operands
2901 * regrename.c (regrename_optimize): Verify that all registers of
2902 a multiple register mode are available.
2903 (scan_rtx_address): Accept the mode of the address; all callers
2906 * cpplib.c (run_directive): Fix prototype.
2908 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
2910 * reload.c (find_reloads): Distinguish "wins" so that we know whether
2911 a given operand won because of a matching constraint or not; then use
2912 that information to compute goal_alternative_matched properly.
2913 * reload1.c (choose_reload_regs): Never set reload_override_in for an
2916 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
2917 accurate value for MULT.
2918 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
2919 2% or > 98% before using static branch prediction bits.
2921 2000-10-28 Neil Booth <neilb@earthling.net>
2925 * cpplib.c (struct answer): New.
2926 (struct if_stack): Use cpp_lexer_pos rather than line and col.
2927 Rename cmacro mi_cmacro.
2928 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
2929 IN_I): New directive and flags.
2930 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
2931 parse_answer, parse_assertion, find_answer): New functions.
2932 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
2933 (lex_macro_node): New function to replace parse_ifdef and
2936 (_cpp_handle_directive): New function, combines _cpp_check_directive
2937 and _cpp_check_linemarker.
2939 (do_define, do_undef, parse_include, do_include, do_import,
2940 do_include_next, read_line_number, do_line, do_ident, do_pragma,
2941 do_pragma_once, do_pragma_poison, do_pragma_dependency):
2942 Update for new token getting interface.
2944 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
2945 : Update for new multiple-include optimisation technique.
2946 (do_elif): Don't forget to invalidate controlling macros.
2948 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
2949 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
2950 Functions to handle assertions with the new token interface.
2951 (do_assert, do_unassert): Use them.
2953 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
2956 (_cpp_init_stacks): Register directive names. Don't register special
2959 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
2960 new position recording regime.
2961 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2962 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
2963 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
2964 (cpp_type2name): Move to cpplex.c.
2966 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
2967 (parse_defined): Update to handle new multiple include optimisation
2968 method. Remove poisoned identifier warning.
2969 (parse_assertion, TYPE_NAME): Delete.
2970 (lex): Update for multiple include optimisation, removal of
2971 CPP_DEFINED, to use _cpp_test_assertion for assertions and
2973 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
2974 (op_as_text): New function, to wrap cpp_token_as_text.
2976 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
2977 Update for MI optimisation.
2978 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
2979 segfault on diagnostic.
2980 (_cpp_compare_file_date): Take a token rather than 3 args.
2981 (cpp_read_file): Work correctly for zero-length files.
2983 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2984 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2985 (cpp_lookup): Place identifiers at front of identifier pool
2986 for _cpp_lookup_with_hash.
2987 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2988 the identifier pool. Commit the memory if not already in the
2991 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2992 Initialise various members of cpp_reader, memory pools, and the
2994 (cpp_printer_init): Delete.
2995 (cpp_cleanup): Update.
2996 (struct builtin, builtin_array, initialize_builtins): Update for new
2997 hashnode definition and builtin handling.
2998 (cpp_start_read, cpp_finish): Don't take or initialise a
3001 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
3002 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
3003 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
3004 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
3005 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
3006 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
3007 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
3008 struct toklist, struct cpp_context, struct specnodes,
3009 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
3010 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
3011 enum builtin_type, cpp_can_paste): New.
3012 (struct cpp_token): Delete line and col members.
3013 (struct cpp_buffer): New member output_lineno.
3014 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
3015 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
3016 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
3017 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
3018 base_context, context, directive, mi_state, mi_if_not_defined,
3019 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
3020 mlstring_pos, macro_buffer, macro_buffer_len.
3021 Delete members mls_line, mls_column, token_list, potential_control_macro,
3022 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
3023 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
3024 save_parameter_spellings, need_newline, .
3025 Change type of date, time and spec_nodes members.
3026 Change prototypes for include and ident callbacks.
3027 (struct cpp_hashnode): Change type of name. Remove union members
3028 expansion and code. Add members macro, operator and builtin.
3030 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
3031 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
3032 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
3033 cpp_stop_lookahead): New prototypes.
3034 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
3036 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
3037 Move from cpphash.h.
3039 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
3040 ufputs): Move to cpplib.h.
3041 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
3042 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
3043 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
3044 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
3045 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
3046 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
3047 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
3048 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
3049 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
3050 _cpp_parse_assertion, _cpp_find_answer): Delete.
3051 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
3052 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
3053 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
3054 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
3055 _cpp_handle_directive, DSC): New.
3056 (struct include_file): New member defined.
3058 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
3059 _cpp_compare_file_date): Update.
3060 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
3061 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
3062 _cpp_cleanup_hashtable.
3064 * Makefile.in: Remove cppoutput.c.
3066 * cppoutput.c: Delete
3068 * fixheader.c (read_scan_file): Update for new cpp_get_token
3070 (recognized_function): New argument LINE.
3072 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3073 new cpp_get_token prototype.
3075 * scan.h (recognized_function): Update prototype.
3077 * po/POTFILES.in: Remove cppoutput.c.
3079 2000-10-27 Mark Mitchell <mark@codesourcery.com>
3081 * c-typeck.c (check_init_type_bitfields): Remove.
3082 (constructor_incremental): Likewise.
3083 (struct constructor_stack): Remove incremental bit.
3084 (struct initializer_stack): Likewise.
3085 (start_init): Don't play with constructor_incremental.
3086 (finish_init): Likewise.
3087 (really_start_incremental_init): Likewise.
3088 (push_init_level): Likewise.
3089 (pop_init_level): Likewise.
3090 (output_init_level): Likewise.
3091 (output_pending_init_elements): Likewise.
3093 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
3095 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
3096 Improve error messages. Correct parsing of
3097 #pragma pack(pop [,id]). Do not check the user-supplied
3098 alignment if we're popping.
3100 * gcc.dg/pack-test-1.c: New test case.
3101 * gcc.dg/pack-test-2.c: New test case.
3102 * gcc.dg/pack-test-1.h: New file.
3104 2000-10-27 Neil Booth <neilb@earthling.net>
3108 2000-10-27 Kelley Cook <kelley.cook@home.com>
3110 * invoke.texi: Document -mintel-syntax
3112 2000-10-27 Richard Henderson <rth@redhat.com>
3114 * invoke.texi: Document -frename-registers. Add it to -O3.
3115 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
3116 (enum dump_file_index, dump_file): Update order.
3117 (main): Set flag_rename_registers at -O3.
3119 2000-10-27 Richard Henderson <rth@redhat.com>
3121 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
3122 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
3123 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
3124 * config/alpha/alpha.md (call_osf_1): Use it.
3125 (call_value_osf_1): Likewise.
3127 * config/ia64/ia64.c: Revert 10-23 patch.
3128 (ia64_hard_regno_rename_ok): New.
3129 * config/ia64/ia64-protos.h: Declare it.
3130 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
3132 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
3133 Richard Henderson <rth@redhat.com>
3135 * regrename.c: Rewrite to handle multi-register modes and
3136 cond_exec instructions.
3137 * Makefile.in (regrename.o): Update dependancies.
3138 * recog.h (struct operand_alternative): Add is_address.
3139 * recog.c (preprocess_constraints) [case 'p']: Set it.
3141 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
3143 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
3144 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
3145 top level. Kill oldstyle_subdirs. Do not include
3146 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
3147 $outputs. Do not run configure.lang from config.status.
3148 Rearrange warning-flag logic to correspond to what the
3149 makefile wants. Put special vax stage1 options in
3150 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
3151 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
3152 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
3153 switch is given, nothing otherwise.
3154 * configure.lang: Delete.
3156 * Makefile.in: Expunge all traces of extra_c_objs,
3157 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
3158 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
3159 warning options via a three level scheme so that -pedantic and
3160 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
3161 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
3162 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
3163 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
3164 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
3165 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
3166 generation rules. Wrap all rules that change the current
3167 directory in parentheses; pmake doesn't spawn a new shell for
3168 each command. Expunge all references to $(P). When one
3169 command depends on another and they're run all at once, use &&
3170 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
3171 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
3174 * objc/Make-lang.in: Wrap all rules that change the current
3175 directory in parentheses. Expunge all references to $(P).
3176 When one command depends on another and they're run all at
3177 once, use && to separate them, not ;. Add OUTPUT_OPTION to
3178 all object-file generation rules. Delete obsolete variables.
3179 * objc/Makefile.in: Delete.
3181 2000-10-27 Jakub Jelinek <jakub@redhat.com>
3183 * calls.c (expand_call): If sibcall_failure is set during pass 1,
3184 clear tail_call_insns as well.
3186 2000-10-27 Nick Clifton <nickc@redhat.com>
3188 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
3191 2000-10-26 Richard Henderson <rth@redhat.com>
3193 * calls.c (expand_call): Supress sibcall if we have a
3194 BLKmode return in registers.
3196 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
3198 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
3201 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
3203 * tree.c (make_node, case 't'): Set alignment to that of
3205 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
3207 2000-10-25 Mark Mitchell <mark@codesourcery.com>
3209 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
3210 * configure.in (enable-libstdcxx-v3): Arrange to have
3211 HAVE_LIBSTDCXX_V3 substituted into the output files.
3213 2000-10-25 Richard Henderson <rth@redhat.com>
3215 * recog.c (constrain_operands): Initialize which_alternative
3216 before no alternatives early exit.
3218 * cse.c (find_comparison_args): Check that we can reverse a
3219 comparison if needed before accepting the substitution.
3221 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
3223 * simplify-rtx.c (simplify_relational_operation): Sign extend
3224 low words before sign extending to high words.
3226 2000-10-25 Nick Clifton <nickc@redhat.com>
3228 * config/mcore/mcore.c: Include config.h before system.h.
3230 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
3232 * config/mcore/mcore.md (return): Force function epilogue to
3233 always be generated to work around epilogue suppression bug in
3236 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
3238 * c-decl.c (grokdeclarator): Move warning for qualified void
3239 return types with -pedantic to when the function type is
3240 constructed. At -W, warn in general for qualified function return
3241 types, except for volatile void.
3242 * invoke.texi: Document this new warning at -W.
3244 2000-10-25 Neil Booth <neilb@earthling.net>
3246 * cpp.texi: Update with implementation-defined behavior and
3249 2000-10-25 Jakub Jelinek <jakub@redhat.com>
3251 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
3252 incomplete type force it into alias set 0.
3254 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
3256 * alias.c: Include basic-block.h.
3257 (loop_p): New function.
3258 (mark_constant_function): Use it.
3259 * Makefile.in (alias.o): Update dependencies.
3261 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3263 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
3266 2000-10-24 Jim Wilson <wilson@cygnus.com>
3268 * expmed.c (store_bit_field): Move integer pun code down after
3269 code that calls emit_move_insn for entire register move.
3270 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
3271 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
3273 2000-10-24 Richard Henderson <rth@cygnus.com>
3275 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
3276 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
3278 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3280 * gcse.c (cprop_insn): do not propagate constants into jump_insn
3281 for machines with CC0 more than once.
3283 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
3285 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
3286 pseudos just like memory.
3288 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
3290 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
3291 when deleting libcall sequence collapsed to a single instruction.
3293 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
3295 * expr.c (do_store_flag): Don't crash if either side of a
3296 comparison is error_mark_node.
3298 2000-10-24 Jakub Jelinek <jakub@redhat.com>
3300 * sibcall.c (purge_mem_unchanging_flag): New function.
3301 (optimize_sibling_and_tail_recursive_calls): Call it.
3303 2000-10-24 Philipp Thomas <pthomas@suse.de>
3305 * Makefile.in (check-po): New target for doing checks in the po
3306 subdir if all languages configured.
3307 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
3308 configure if NLS is enabled.
3309 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
3310 otherwise leave empty.
3311 * configure: Regenerate.
3313 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3315 * i386.c (print_operand): Handle new 'A' formatting code.
3316 387 opcodes need suffixes even with -mintel-syntax.
3317 Check for explicit size override (codes 'b', 'w' and 'k').
3318 (print_operand_address): Check if register prefix is needed when
3319 emitting `ds' segment override.
3320 * i386.h: Add comment about new 'A' formatting code.
3321 * i386.md (jump and call patterns): Emit absolute references using %A.
3323 2000-10-23 Richard Henderson <rth@cygnus.com>
3325 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
3326 output registers as fixed.
3327 (ia64_function_epilogue): Undo output fixation.
3329 2000-10-23 Richard Henderson <rth@cygnus.com>
3331 * config/alpha/alpha.md: Add names for all unnamed insns; use
3332 define_insn_and_split in some obvious places.
3334 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
3335 (zero_extendqisi2, zero_extendqidi2): Likewise.
3336 (zero_extendhisi2, zero_extendhidi2): Likewise.
3337 (abs splitters): Fix match_scratch operand number.
3338 (bcc_reverse): Swap pc & label instead of non-canonical compare.
3340 2000-10-23 Jim Wilson <wilson@cygnus.com>
3342 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
3344 * ia64.md (cmpsi_adjusted): Use %r3.
3345 (cmpdi_adjusted): Likewise.
3347 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3349 * config/i386/att.h (ASM_FILE_START): Define.
3351 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3353 * config/i386/linux.h (ASM_FILE_START): Define.
3355 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
3357 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
3358 since this (only) drags in a crt0.o reference that the .ld files
3361 2000-10-23 Geoff Keating <geoffk@cygnus.com>
3363 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
3364 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
3365 reloads just like an RELOAD_FOR_OUTPUT would.
3367 * local-alloc.c (update_equiv_regs): Add an abort(). When
3368 deleting or moving insns, update reg_equiv[regno].init_insns.
3370 2000-10-23 Mark Mitchell <mark@codesourcery.com>
3372 * c-tree.texi: Improve documentation for IF_STMTs and related
3373 conditional statements.
3375 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3377 * expr.c (do_preexpand_calls): Remove.
3378 (same_from_p): Don't use CALL_EXPR_RTL.
3379 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
3380 (preexpand_calls): Remove.
3381 * tree.c (first_rtl_op): Remove CALL_EXPR case.
3382 (unsave_expr_1): Likewise.
3383 * tree.def (CALL_EXPR): Give it only two slots.
3384 * tree.h (CALL_EXPR_RTL): Remove.
3386 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
3388 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
3389 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3392 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
3394 * calls.c (combine_pending_stack_adjustment_and_call): Don't
3395 adjust stack when unadjusted_alignment ends up as zero.
3397 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
3399 * fixinc/genfixes: Remove EGCS reference.
3400 * install.texi: Remove EGCS reference.
3401 * INSTALL: Regenerate.
3403 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3405 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
3407 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
3409 * diagnostic.c: Remove EGCS reference in comment.
3411 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3413 * loop.c (strength_reduce): Fix error in last change.
3415 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3417 * Makefile.in (SHLIB_NM_FLAGS): New.
3418 (libgcc.mk): Pass it.
3419 * mklibgcc.in (libgcc.map): Use it.
3421 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
3422 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
3424 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3426 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
3428 * sparc.c (load_pic_register): Delete unused varaible.
3430 * libgcc2.c (__addvsi3): Delete unused variable.
3432 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
3433 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
3434 __negvdi2): Prototype.
3436 * ssa.c (apply_delayed_renames): Avoid undefined operation.
3438 * toplev.c (display_target_options): Make static to match
3439 prototype. Delete empty declaration.
3441 2000-10-20 Tom Tromey <tromey@cygnus.com>
3443 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3444 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3446 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3448 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
3450 (expand_expr_unaligned, case ARRAY_REF): Check that index is
3451 a constant before comparing it; use tree_low_cst.
3452 * tree.c (save_expr): Set TREE_READONLY.
3453 (substitute_expr): Return inside of NON_LVALUE_EXPR.
3454 (build, build1): Set TREE_READONLY if all operands are.
3455 (build_index_type): If upper bound is a negative number, lower
3456 bound is zero and sizetype is unsigned, use upper bound of one and
3459 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3461 * gcc.c (process_command, main): Use "because" instead of
3462 "since" in error messages.
3464 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3466 * stor-layout.c (compute_record_mode): Use tree_low_cst.
3467 Don't use mode of field for record unless sizes are the same.
3468 (layout_type, case ARRAY_TYPE): Remove special bounds handling
3469 previously added for Ada; also change to using host_integerp
3472 * loop.c (strength_reduce): Show when new register made for
3473 giv is known to be a pointer and its aligment if so and known.
3474 (loop_dump_aux): Show VERBOSE parameter unused.
3476 * gcse.c (set_hash_table_size): Now unsigned.
3477 * sdbout.c (template_name_p): Add "const" to avoid warnings.
3478 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
3479 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
3480 (sdbout_end_epilogue): Remove variable NAME.
3481 * system.h (getopt): Add default definition.
3482 * config/alpha/alpha.c (print_operand): Don't continue processing
3483 after issuing error.
3484 (summarize_insn): Avoid use of UL in constant.
3486 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
3488 * fold-const.c (force_fit_type): Unsigned values can overflow
3489 if they are sizetype.
3490 (int_const_binop): Don't use cache if overflows.
3492 2000-10-20 Richard Henderson <rth@cygnus.com>
3494 * function.c (locate_and_pad_parm): Zero alignment_pad.
3496 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
3497 perform substitutions, and apply_change_group to see if it worked.
3499 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3501 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
3503 * combine.c (struct undo): Change int to unsigned int.
3504 (do_SUBST_INT): Args are unsigned int.
3505 (make_extraction, force_to_mode): Use proper type when forming mask.
3506 (make_field_assignment): Likewise.
3508 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
3510 * c-common.c (check_format_info_recurse): Extract string constant
3511 initializers from non-volatile constant arrays and check them as
3513 * c-typeck.c (decl_constant_value): Don't check pedantic or check
3514 for DECL_MODE (decl) != BLKmode.
3515 (decl_constant_value_for_broken_optimization): New function which
3516 includes these checks.
3517 (default_conversion, convert_for_assignment, digest_init): Use
3518 decl_constant_value_for_broken_optimization instead of
3519 decl_constant_value.
3521 2000-10-20 Mark Mitchell <mark@codesourcery.com>
3523 * tree.h (DECL_ALIGN_UNIT): New macro.
3525 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
3527 * config/avr/avr-protos.h (avr_output_bld): New.
3528 (out_shift_with_cnt): Add t_len argument.
3529 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
3530 (output_movqi, output_movhi, output_movsisf): Optimize loading
3531 any constant with exactly one bit set to NO_LD_REGS.
3532 (out_shift_with_cnt): Optimize output code for size or speed,
3533 depending on optimize_size. Handle small shift counts as well
3534 (if not hand-optimized in ?sh??i3_out). Shifts can be done
3535 with or without a scratch register, with help of __tmp_reg__
3536 or __zero_reg__ if necessary. Add T_LEN argument to pass the
3537 length of TEMPLATE in words, return total insn length in *LEN.
3538 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
3539 out_shift_with_cnt to work with the above change.
3540 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
3541 lshrsi3_out): Likewise. Optimize more known shift count cases.
3542 Remove cases already well optimized in out_shift_with_cnt.
3543 (avr_output_bld): New function.
3544 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
3545 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
3546 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
3547 Add reload_completed to insn condition - only for peepholes.
3548 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
3549 in a register or memory.
3550 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
3551 Do not require a scratch register.
3552 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
3553 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
3554 Optimize shifts by known count using a scratch register, but only
3555 if one is still available after register allocation.
3557 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3559 * t-vax: New file. Don't build modules from libgcc1.c.
3561 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
3563 * alias.c: (mark_constant_function): Don't check pure functions.
3564 Initialize and end alias analysis.
3565 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
3566 Don't make a special exception for recursion. Handle
3567 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
3568 unless it's volatile.
3570 * local-alloc.c (equivalence): New structure.
3571 (reg_equiv): Define.
3572 (contains_replace_regs): Remove array and use
3574 (memref_referenced_p): Likewise.
3575 (no_equiv): Likewise.
3576 (update_equiv_regs): Likewise.
3578 (equiv_init_varies_p,
3579 equiv_init_movable_p): New functions.
3580 (update_equiv_regs): Use them. Use rtx_varies_p
3581 instead of function_invariant_p. Process insns
3582 from end to beginning. Allow a REG_EQUIV insn
3583 within the same loop as a use to be moved, also
3584 allow it to be moved out of a loop. Update
3585 REG_DEAD notes when substituting into an insn.
3587 2000-10-19 Jim Wilson <wilson@cygnus.com>
3589 * c-decl.c (start_decl): Check for error_mark_node type before using
3591 (finish_decl): Likewise. Don't give an error if decl type is
3592 already error_mark_node.
3594 * haifa-sched.c (compute_trg_info): Add explanatory comments.
3595 New local update_blocks. Use update_blocks to remove duplicates
3596 when computing update blocks. Check for bblst_table overflow.
3597 (schedule_block): Add explanatory comment. Reduce bblst_size by
3599 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
3602 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3604 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
3606 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3608 * expmed.c: Minor corrections in comments.
3609 * invoke.texi: Added desciption for the new option -ftrapv.
3611 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3613 * libgcc2.c: Added the missing #endif.
3615 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3617 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
3619 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
3621 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
3622 Use smulv_optab for -ftrapv.
3623 (expand_mult_highpart): Use unsigned multiply.
3624 (expand_divmod): Special-case division by -1.
3625 For EXACT_DIV_EXPR, do right shift first, then the multiply.
3626 For complex divide, use abs with unsigned result.
3627 * expr.c (force_operand): Use unsigned multiply.
3628 (expand_expr): Use overflow-trapping optabs for signed types if
3630 If flag_trapv, don't generate a recursive call with EXPAND_SUM
3631 if the type is signed and the original call wasn't EXPAND_SUM or
3633 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
3634 (negv_optab, absv_optab): Declare.
3635 * flags.h (flag_trapv): Declare.
3636 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
3637 smulv_optab, sdivv_optab, negv_optab and absv_optab.
3638 (gen_insn): Interpret '$P' as requiring an integer mode,
3639 including partial integer modes.
3640 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
3641 (product_cheap_p): Use unsigned expand_mult.
3642 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
3643 (negv_optab, absv_optab): Define.
3644 (expand_binop): Use overflow-trapping optabs for signed types if
3646 Handle negv_optab libe neg_optab.
3647 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
3648 Use overflow-trapping optabs for signed result if flag_trapv.
3649 (expand_complex_abs): Use overflow-trapping optabs for signed types if
3651 Don't open-code complex absolute-value operation for flag_trapv.
3652 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
3653 sdivv_optab, negv_optab and absv_optab.
3654 * toplev.c (flag_trapv): Define.
3655 (lang_independent_options f_options): Include flag_trapv.
3656 * tree.h (TYPE_TRAP_SIGNED): Define.
3657 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
3658 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3660 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
3661 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
3663 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
3664 David V. Henkel-Wallace <gumby@cygnus.com>
3666 * config/i386/t-netware: Bring in from the Red Hat tree.
3667 * config/i386/netware.h: Likewise.
3668 * config/netware.h: Likewise.
3669 * config/rs6000/netware.h: Delete.
3670 * configure.in: Add i[34567]86-*-netware.
3671 * configure: Hand-edit to match configure.in change.
3673 2000-10-18 Mark Mitchell <mark@codesourcery.com>
3675 * c-common.h (flag_no_builtin): Declare.
3676 (flag_no_nonansi_builtin): Likewise.
3677 (c_common_nodes_and_builtins): Change prototype.
3678 * c-common.c (flag_no_builtin): New variable.
3679 (flag_no_nonansi_builtin): Likewise.
3680 (c_common_nodes_and_builtins): Remove parameters. Adjust
3682 * c-decl.c (flag_no_builtin): Remove.
3683 (flag_no_nonansi_builtin): Likewise.
3684 (init_decl_processing): Adjust call to
3685 c_common_nodes_and_builtins.
3687 2000-10-18 Marc Espie <espie@openbsd.org>
3689 * tm.texi (LIBGCC_SPEC): Synch with reality.
3691 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3693 * c-common.c (check_format_types): Check for writing through a
3694 NULL pointer argument.
3696 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
3698 * tm.texi (Exception Region Output): Document
3699 DWARF_CIE_DATA_ALIGNMENT.
3700 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
3702 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
3703 DWARF_CIE_DATA_ALIGNMENT.
3705 2000-10-18 Michael Hayes <mhayes@cygnus.com>
3707 * basic-block.h (struct loop): Delete fields pre_header_root
3708 and pre_header_trace and replace with pre_header_edges
3709 and num_pre_header_edges.
3710 * flow.c (flow_loop_dump): Dump pre_header_edges.
3711 (flow_loops_free): Free pre_header_edges.
3712 (flow_loop_pre_header_scan): Calculate pre_header_edges.
3714 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3716 * contrib.texi: Update references to steering committee members
3717 and Jeff Law's entry.
3719 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3721 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
3722 (maybe_read_dollar_number, check_format_info_main): Use them for
3723 pedantic warning messages.
3725 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3727 * c-common.c (check_format_info_main): Minor cleanup: move
3728 variables into inner scopes; initialize declarations where
3729 appropriate; don't hardcode "scanf" name on warning for zero
3732 2000-10-17 Mark Mitchell <mark@codesourcery.com>
3734 * c-common.c (back_end_hook): New variable.
3735 * c-common.h (back_end_hook): Declare it.
3736 * c-lang.c (finish_file): Use it.
3738 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
3741 2000-10-18 Jan Hubicka <jh@suse.cz>
3743 * i386.c (ix86_comparison_operator, put_condition_code,
3744 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
3745 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
3746 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
3747 * i386.md (adddi and negdi splitter): Use CCRCmode.
3748 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
3749 (subsi3_carry): add '*'
3750 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
3751 (cmp to add peep2): Use CCRCmode; swap operands.
3753 2000-10-18 Kazu Hirata <kazu@hxi.com>
3755 * h8300.c: Fix a comment typo.
3756 (round_frame_size): New.
3757 (compute_saved_regs): Likewise.
3760 (push_order): Remove.
3761 (pop_order): Likewise.
3762 (function_prologue): Rearrange code for readability.
3763 (function_epilogue): Likewise.
3765 * config/h8300/h8300.md: Remove an unnecessary sign_extend
3766 expander that is used when not optimizing. Output a tab after
3767 each assembly insns.
3769 * reorg.c: Fix formatting.
3771 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
3773 * reload1.c (move2add_note_store): Check for simple
3774 auto-inc in destination.
3776 2000-10-17 Michael Chastain <chastain@redhat.com>
3778 * config/i386/i386-aout.h: define INT_ASM_OP.
3780 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
3782 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
3784 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
3786 * i370.md: Fix spelling typo.
3788 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3790 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
3791 Fixes execute/20001017-1.c on powerpc-linux-gnu.
3793 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
3794 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
3797 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
3798 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
3800 * rs6000/aix.h: ...to here.
3801 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
3803 2000-10-17 Jakub Jelinek <jakub@redhat.com>
3805 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
3807 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
3808 sure linker can relax even the delay slot mov %g1,%o7, fix output
3811 2000-10-17 Kazu Hirata <kazu@hxi.com>
3813 * config/h8300/h8300.md: Remove an unnecessary zero_extend
3814 expander that is used when not optimizing. Output a tab after
3815 each assembly insns.
3817 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
3819 * gcc.c: New options --target-help.
3820 (process_command): Added code to parse this new option.
3821 * toplev.c (display_target_options): New function to support the
3823 * cppinit.c (new_pending_directive) : New option OPT_target__help.
3824 (cpp_handle_option): Support this new option.
3825 * invoke.texi: Added notes about --target-help option.
3827 2000-10-17 Graham Stott <grahams@redhat.com>
3829 * config/i386/i386.md (testqi_1): Add missing operand prefix
3831 * config/i386/i386-protos.h: Add missing prototype.
3833 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
3835 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
3836 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
3837 using -mintel-syntax.
3839 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3841 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
3842 (format_types): Use it for printf.
3843 (maybe_read_dollar_number): Add parameter for the kind of format
3844 involved. Warn for multiple use for arguments if this is
3845 inappropriate for the kind of format involved.
3846 (check_format_info_main): Update calls to maybe_read_dollar_number.
3848 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3850 * inclhack.def (hpux_maxint): Also apply fix to values.h.
3851 * fixincl.x: Rebuilt.
3853 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
3855 * genrecog.c (write_switch): Return the first condition that needs a
3858 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
3860 * c-tree.h (warn_sequence_point): Move declaration to...
3861 * c-common.h (warn_sequence_point): ... here.
3862 * c-decl.c (warn_sequence_point): Move definition to...
3863 * c-common.c (warn_sequence_point): ... here.
3864 (struct reverse_tree): New.
3865 (reverse_list, reverse_max_depth): New static variables.
3866 (build_reverse_tree, common_ancestor, modify_ok
3867 verify_sequence_points): New functions.
3868 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
3869 * c-typeck.c (check_modify_expr): Delete.
3870 (build_modify_expr): Don't call it.
3872 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3874 * c-common.h (warn_missing_format_attribute): New variable.
3875 * c-decl.c (warn_missing_format_attribute): New variable.
3876 (c_decode_option): Decode -Wmissing-format-attribute and
3877 -Wno-missing-format-attribute.
3878 * c-common.c (check_function_format): If
3879 -Wmissing-format-attribute, give a warning where a vprintf or
3880 vscanf function is called by a function without its own printf or
3882 * toplev.c (documented_lang_options): Add
3883 -Wmissing-format-attribute.
3884 * invoke.texi: Document -Wmissing-format-attribute.
3886 2000-10-17 Marc Espie <espie@openbsd.org>
3888 * invoke.texi (-shared): Insist on requiring code generation flags
3889 to be used along with -shared, and document the subtle failure that
3890 may occur otherwise.
3892 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3894 * pa.md (return_internal): Move `use' after `return'.
3896 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3898 * machmode.def: Correct comment.
3900 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
3902 * print-rtl.c (print_rtx_head): Constify.
3903 * rtl.h (print_rtx_head): Similarly.
3905 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
3906 Constify char * return value.
3908 (output_64bit_and, output_64bit_ior): Constify char * return value.
3909 (pa_can_combine_p): Make static.
3910 (function_arg): Decorate unused `named' argument. Fix comment typo.
3911 (function_arg_partial_nregs): Decorate unused `named' argument.
3913 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
3915 * c-common.c (format_check_results): New structure.
3916 (finish_dollar_format_checking): Adjust to take a
3917 format_check_results * parameter.
3918 (check_format_info, check_format_info_recurse,
3919 check_format_info_main): Split check_format_info into three
3920 functions, the main checking going in check_format_info_main.
3921 Recurse when any reduction of the format string argument towards a
3922 string literal is done; go down both branches of a conditional
3923 expression. Don't warn for extra format arguments or empty format
3924 strings if they only occur in some branches of a conditional
3927 2000-10-16 Kazu Hirata <kazu@hxi.com>
3929 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
3931 2000-10-16 Jakub Jelinek <jakub@redhat.com>
3933 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
3935 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
3937 * i386.md (*movsi_or): Switch operand order for intel syntax.
3939 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
3943 * gcc.texi (Contributing): Update.
3945 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
3947 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
3948 appropriate assembler dialect.
3950 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
3952 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
3954 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
3956 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
3957 constants 1 and 2 to NO_LD_REGS.
3959 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3961 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
3963 * objc/Make-lang.in (objc-parse.c): Likewise.
3965 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3967 * arm.c: Include obstack.h
3968 (minipool_obstack, minipool_startobj): Define.
3969 (arm_add_gc_roots): Initialize them.
3970 (create_fix_barrier): Use our new obstack.
3971 (push_minipool_barrier, push_minipool_fix): Likewise.
3972 (arm_reorg): Release obstack memory.
3974 2000-10-13 Jakub Jelinek <jakub@redhat.com>
3976 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
3977 (prologue, exception_receiver, builtin_setjmp_receiver): New
3979 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
3980 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3981 (load_pic_register): New prototype.
3982 * config/sparc/sparc.c (pic_setup_code): Remove.
3983 (finalize_pic): Rename to...
3984 (load_pic_register): ...this function.
3985 Don't look for nonlocal_goto_receivers and emit pic setup code
3986 directly. Don't check current_function_uses_pic_offset_table.
3988 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3990 * tree.h (struct obstack): Declare.
3992 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3995 * Makefile.in (ggc-callbacks.o): Remove target.
3996 (flow.o): Depend on GGC_H.
3997 * alias.c (init_alias_analysis):
3998 Remove ggc_p conditionals.
3999 (end_alias_analysis): Likewise.
4000 * basic-block.h (init_flow): New function.
4001 (allocate_reg_life_data): Declare.
4002 * bb-reorder.c (function_obstack): Replace with ...
4003 (flow_obstack): ... new variable.
4004 (fixup_reorder_chain): Use it.
4005 * c-decl.c (ggc_p): Remove.
4006 (caller-save.c): Don't call oballoc/obfree.
4008 undobuf): Remove storage.
4009 (try_combine): Don't call oballoc.
4010 (undo_all): Don't call obfree.
4011 * cse.c (insert): Use xmalloc, not
4013 (cse_main): Adjust accordingly.
4014 * dwarf2out.c (save_rtx): Remove
4016 (dwarf2out_init): Remove ggc_p conditionals.
4017 * emit-rtl.c (rtl_obstack): Remove.
4018 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
4019 (make_insn_raw): Likewise.
4020 (emit_insn_before): Likewise.
4021 (emit_insn_after): Likewise.
4022 (emit_insn): Likewise.
4023 (gen_sequence): Likewise.
4024 (copy_insn_1): Remove handling of `b' RTL components.
4025 (init_emit_once): Remove ggc_p conditionals.
4026 * except.c (create_rethrow_ref): Don't fool with obstacks.
4027 (add_partial_entry): Likewise.
4028 (call_get_eh_context): Likewise.
4029 (begin_protect_partials): Likewise.
4030 (protect_with_terminate): Likewise.
4032 (plus_constant_wide): Likewise.
4033 * expr.c (init_expr_once):
4035 (emit_block_move): Likewise.
4036 (clear_storage): Likewise.
4037 (expand_expr): Likewise.
4038 * flow.c (function_obstack): Remove.
4039 (flow_obstack): New variable.
4040 (flow_firstobj): Likewise.
4041 (create_base_block): Use the flow_obstack.
4042 (split_block): Likewise.
4043 (split_edge): Likewise.
4044 (calculate_global_regs_live): Likewise.
4045 (allocate_bb_life_data): Make it static. Likewiwse.
4046 (init_flow): New function.
4047 (size_int_type_wide): Remove ggc_p conditionals.
4049 (push_function_context_to): Don't call save_tree_status.
4050 (pop_function_context_from): Or restore_tree_status.
4051 (assign_stack_local_1): Don't call push_obstacks.
4052 (find_fixup_replacement): Use xmalloc.
4053 (fixup_var_refs_insns): Free the storage.
4054 (insns_for_mem_walk): Don't mess with obstacks.
4055 (instantiate_decls): Likewise.
4056 (trampoline_address): Likewise.
4057 (expand_function_end): Likewise.
4058 * function.h (sturct function):
4059 Remove obstack-related variables.
4060 (save_tree_status): Don't declare.
4061 (restore_tree_status): Likewise.
4062 * gcse.c (compute_can_copy):
4063 Don't call oballoc/obfree.
4064 * genattrtab.c (operate_exp): Remove
4066 (simplify_cond): Likewise.
4067 (simplify_test_exp): Don't mess with obstacks.
4068 (optimize_attrs): Likewise.
4069 * gengenrtl.c (gendef): Don't include
4071 * ggc-callbacks.c (ggc_p): Remove.
4072 * ggc-none.c (ggc_p): Remove.
4073 * ggc.h (ggc_p): Don't declare.
4074 * integrate.c (save_for_inline): Don't mess with obstacks.
4075 (integrate_decl_tree): Likewise.
4076 (output_inline_function): Likewise.
4078 (init_EXPR_INSN_LIST_cache): Likewise.
4079 * loop.c (temp_obstack):
4081 (rtl_obstack): Likewise.
4082 (init_loop): Don't mess with obstacks.
4083 (reg_address_cost): Free BIVs and GIVs.
4084 (check_insns_for_bivs): Use xmalloc, not oballoc.
4085 (find_mem_givs): Likewise.
4086 (record_biv): Likewise.
4087 (general_induction_var): Likewise.
4088 (product_cheap_p): Likewse.
4089 * optabs.c (init_one_libfunc): Remove
4091 * print-tree.c (debug_tree): Don't use
4093 (print_node): Likewise.
4094 * profile.c (output_func_start_profiler):
4095 Remove call to temporary_allocation.
4097 (eliminate_regs_in_insn): Don't mess with obstacks.
4099 (mark_target_live_regs): Use xmalloc.
4100 (free_resource_info): Free the memory.
4101 * rtl.c (rtl_obstack):
4103 (rtvec_alloc): Don't mess with obstacks.
4104 (rtx_alloc): Likewise.
4106 (copy_rtx): Don't handle `b' cases.
4107 (read_rtx): Use a local rtl_obstack.
4108 * rtl.h (oballoc): Remove.
4110 (pop_obstacks): Likewise.
4111 (push_obstacks): Likewise.
4112 (allocate_bb_life_data): Likewise.
4113 (allocate_reg_life_data): Likewise.
4114 (rtx_free): Likewise.
4115 * sdbout.c (sdbout_queue_anonymous_type):
4116 Use tree_cons, not saveable_tree_cons.
4118 (cselib_init): Don't mess with obstacks.
4120 (mark_block_nesting): Mark the label_chain.
4121 (epxand_label): Use ggc_alloc, not oballoc.
4122 (clear_last_expr): Don't mess with obstacks.
4123 (expand_decl_cleanup): Likewise.
4124 (expand_dcc_cleanup): Likewise.
4125 (expand_dhc_cleanup): Likewise.
4126 (expand_anon_union_decl): Likewise.
4127 (add_case_node): Use xmalloc, not oballoc.
4128 (free_case_nodes): New function.
4129 (expand_end_case): Call it.
4130 * stor-layout.c (layout_type): Don't
4132 (layout_type): Likewise.
4133 * toplev.c (wrapup_global_declarations):
4135 (compile_file): Remove ggc_p conditionals.
4136 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
4137 (decode_f_option): Remove ggc_p conditionals.
4139 (function_maybepermanent_obstack): Remove.
4140 (maybepermanent_obstack): Likewise.
4141 (function_obstack): Likewise.
4142 (tmeporary_obstack): Likewise.
4143 (momentary_obstack): Likewise.
4144 (temp_decl_obstack): Likewise.
4145 (saveable_obstack): Likewise.
4146 (rtl_obstack): Likewise.
4147 (current_obstack): Likewise.
4148 (expression_obstack): Likewise.
4149 (struct obstack_stack): Likewise.
4150 (obstack_stack): Likewise.
4151 (obstack_stack_obstack): Likewise.
4152 (maybepermanent_firstobj): Likewise.
4153 (temporary_firstobj): Likewise.
4154 (momentary_firstobj): Likewise.
4155 (temp_decl_firstobj): Likewise.
4156 (momentary_function_firstobj): Likewise.
4157 (all_types_permanent): Likewise.
4158 (struct momentary_level): Likewise.
4159 (momentary_stack): Likewise.
4160 (init_obstacks): Remove initialization of removed obstacks.
4161 (save_tree_status): Remove.
4162 (restore_tree_status): Likewise.
4163 (temporary_allocation): Liekwise.
4164 (end_temporary_allocation): Liekwise.
4165 (resume_temporary_allocation): Likewise.
4166 (saveable_allocation): Likewise.
4167 (push_obstacks): Likewise.
4168 (push_obstacks_nochange): Likewise.
4169 (pop_obstacks): Likewise.
4170 (allocation_temporary_p): Likewise.
4171 (permanent_allocation): Likewise.
4172 (preserve_data): Likewise.
4173 (preserve_initializer): Likewise.
4174 (rtl_in_current_obstack): Likewise.
4175 (rtl_in_saveable_obstack): Likewise.
4176 (oballoc): Likewise.
4178 (savealloc): Likewise.
4179 (expralloc): Likewise.
4180 (print_obstack_name): Likewise.
4181 (debug_obstack): Likewise.
4182 (object_permanent_p): Likewise.
4183 (push_momentary): Likewise.
4184 (perserve_momentary): Likewise.
4185 (clear_momentary): Likewise.
4186 (pop_momentary): Likewise.
4187 (pop_momentary_nofree): Likewise.
4188 (suspend_momentary): Likewise.
4189 (resume_momentary): Likewise.
4190 (make_node): Don't set TREE_PERMANENT.
4191 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
4192 Don't set TREE_PERMANENT.
4193 (get_identifier): Remove ggc_p conditionals.
4194 (build_string): Likewise.
4195 (make_tree_vec): Likewise.
4196 (build_decl_list): Remove.
4197 (build_expr_list): Likewise.
4198 (tree_cons): Remove ggc_p conditionals.
4199 (decl_tree_cons): Remove.
4200 (expr_tree_cons): Likewise.
4201 (perm_tree_cons): Likewise.
4202 (temp_tree_cons): Likewise.
4203 (saveable_tree_cons): Likewise.
4204 (build1): Remove ggc_p conditionals.
4205 (build_parse_node): Likewise.
4206 (build_type_attribute_variant): Don't mess with obstacks.
4207 (build_type_copy): Likewise.
4208 (type_hash_canon): Likewise.
4209 (build_pointer_type): Likewise.
4210 (build_reference_type): Likewise.
4211 (build_index_type): Likewise.
4212 (build_range_type): Likewise.
4213 (dump_tree_statistics): Don't print obstack information.
4215 (struct tree_common): Remove permanent_flag.
4216 (TREE_PERMANENT): Remove.
4217 (TREE_SET_PERMANENT): Likewise.
4218 (TYPE_OBSTACK): Likewise.
4219 (struct tree_type): Remove obstack.
4221 (savealloc): Likewise.
4222 (build_decl_list): Likewise.
4223 (build_expr_list): Likewise.
4224 (perm_tree_cons): Likewise.
4225 (temp_tree_cons): Likewise.
4226 (saveable_tree_cons): Likewise.
4227 (decl_tree_cons): Likewise.
4228 (expr_tree_cons): Likewise.
4229 (suspend_momentary): Likewise.
4230 (allocation_temporary_p): Likewise.
4231 (resume_momentary): Likewise.
4232 (push_obstacks_nochange): Likewise.
4233 (permanent_allocation): Likewise.
4234 (push_momentary): Likewise.
4235 (clear_momentary): Likewise.
4236 (pop_momentary): Likewise.
4237 (end_temporary_allocation): Likewise.
4238 (pop_obstacks): Likewise.
4239 (push_obstacks): Likewise.
4240 (pop_momentary_nofree): LIkewise.
4241 (preserve_momentary): Likewise.
4242 (saveable_allocation): Likewise.
4243 (temporary_allocation): Likewise.
4244 (resume_temporary_allocation): Likewise.
4245 (perserve_initializer): Likewise.
4246 (debug_obstack): Likewise.
4247 (rtl_in_current_obstack): Likewise.
4248 (rtl_in_saveable_obstack): Likewise.
4250 * varasm.c (current_obstack): Remove.
4251 (saveable_obstack): Remove.
4252 (rtl_obstack): Remove.
4253 (immed_double_const): Don't mess with obstacks.
4254 (immed_real_cons): Likewise.
4255 (output_constant_def): Likewise.
4256 (init_varasm_status): Use xcalloc.
4257 (mark_pool_constant): Mark the pool constant itself.
4258 (free_varasm_status): Free memory.
4259 (decode_rtx_const): Call bzero directly, rather than expanding it
4261 (record_rtx_const): Don't mess with obstacks.
4262 (force_const_mem): Likewise.
4263 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
4265 (aof_pic_entry): Likewise.
4266 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
4267 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
4268 * config/pa/pa.c (saveable_obstack): Remove.
4269 (rtl_obstack): Likewise.
4270 (current_obstack): Likewise.
4271 (output_call): Don't mess with obstacks.
4272 (hppa_encode_label): Remove ggc_p conditionals.
4273 * config/romp/romp.c (get_symref): Don't mess with obstacks.
4274 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
4275 (rs6000_encode_section_info): Likewise.
4276 * config/sh/sh.c (get_fpscr_rtx): Likewise.
4278 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
4280 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
4281 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
4282 (addsi3_carry): Canonicalize.
4283 (addqi_5): Remove '*'.
4284 (sbb pattern): Canonicalize.
4286 * i386.md (cmp to inc/add peep2): New.
4288 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
4290 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
4293 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4295 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
4296 * README.TRAD, TESTS.FLUNK: Remove.
4298 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4300 * c-common.c (decl_attributes): Don't allow strftime formats with
4301 first_arg_num nonzero.
4302 (check_format_info): Set wanted_type and wanted_type_name to zero
4303 before they are possibly assigned and used.
4305 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4307 * c-common.c (scanf_flag_specs): Add flags ' and I.
4308 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
4309 or the ^ and # flags together.
4310 (scan_char_table): Handle the ' and I flags.
4311 (format_types): Add ' and I flags for scanf.
4313 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4315 * c-common.c (print_char_table): Use the unpromoted type for
4316 lengths "h" and "hh" with conversions dioxXu.
4317 (check_format_types): Apply the default argument promotions where
4318 the wanted type is not a pointer target.
4320 2000-10-11 Michael Meeks <mmeeks@gnu.org>
4321 Joseph S. Myers <jsm28@cam.ac.uk>
4323 * c-typeck.c (check_modify_expr): New function.
4324 (build_modify_expr): Call it if warn_sequence_point.
4325 * c-decl.c (warn_sequence_point): New variable.
4326 (c_decode_option): Handle -Wsequence-point and
4327 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
4328 * c-tree.h (warn_sequence_point): Declare.
4329 * invoke.texi (-Wsequence-point): Document.
4330 * toplev.c (documented_lang_options): Add -Wsequence-point and
4331 -Wno-sequence-point.
4332 Original work by Michael Meeks, 16 Jun 1998.
4334 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4336 * tree.c (get_narrower): Don't look at precision of field if
4339 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
4341 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
4342 declaration for data with "progmem" attribute.
4344 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
4346 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
4347 Correct insn length if shift count is a memory operand.
4348 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
4349 (*iorhi3_clobber): Change lo8 to hi8.
4350 (zero_extendhisi2): Change %B0 to %A1.
4351 (ashlhi3, ashrhi3): Correct insn length.
4352 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
4353 from "clobber" to "set_n" in some alternatives.
4355 2000-10-10 Jakub Jelinek <jakub@redhat.com>
4357 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
4358 remove its insn_chain structure as well.
4360 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4362 * dbxout.c (dbxout_source_line): Remove extra tab.
4364 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
4366 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
4368 2000-10-09 Richard Henderson <rth@cygnus.com>
4370 * Makefile.in (LANG_LIB2FUNCS): Remove.
4371 (LIB2FUNCS): Remove _pure.
4372 (LIB2ADD): Remove LANG_LIB2FUNCS.
4373 (stage_a): Don't set LANG_LIB2FUNCS.
4374 * libgcc2.c (__terminate): Mark noreturn.
4375 (__pure_virtual): Remove.
4376 * mklibgcc.in: Remove LIB2ADD .txt processing.
4378 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4380 * arm.md (push_multi): Revert unintended change.
4382 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4384 * arm.c: Miscellaneous white space and comment clean-ups. No
4388 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4390 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
4391 STRING_CST by calling combine_strings.
4393 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4395 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
4396 (thumb_output_move_mem_multiple): Support new insn format.
4397 * arm.md (movmem12b): Use SSA compatible format.
4398 (movmem8b): Likewise.
4400 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4402 * arm.md (predicable): New attribute, default to "no".
4403 (all patterns): Mark as predicable if appropriate.
4404 (conditional execution splits): Split using predication format.
4405 (define_cond_exec): Define.
4406 * arm.c (arm_print_operand): handle insn predicate.
4408 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4410 * README.NS32K: Remove file.
4412 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4414 * README-bugs: Remove file.
4416 2000-10-08 Philipp Thomas <pthomas@suse.de>
4417 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
4419 * configure: Rebuilt.
4421 2000-10-08 Philipp Thomas <pthomas@suse.de>
4422 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
4423 disable catalog building if no suitable program was found.
4424 Move warning message from here
4425 (AM_GNU_GETTEXT): To here.
4426 * configure: Rebuilt.
4428 2000-10-08 Philipp Thomas <pthomas@suse.de>
4429 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
4430 different cache variables.
4431 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
4432 uses different cache variables.
4433 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
4434 * configure: Regenerated.
4436 2000-10-08 Richard Henderson <rth@cygnus.com>
4438 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
4439 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
4440 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
4443 * config/t-linux (SHLIB_EXT): New.
4444 (SHLIB_LINK): Use the entire build command, with substitutions.
4445 (SHLIB_LIBS): Remove.
4446 * config/alpha/t-osf4: Likewise.
4447 * config/mips/t-iris6: Likewise.
4448 * config/sparc/t-sol2: Likewise, but move shlib stuff...
4449 * config/sparc/t-slibgcc-sld: ...here.
4450 * config/sparc/t-slibgcc: New file.
4452 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4454 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
4455 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
4457 (intmax_type_node, uintmax_type_node): Define.
4458 * c-common.c (decl_attributes): If pedantic, warn if `mode'
4459 attributes create a type wider than intmax_t.
4460 (T_IM, T_UIM): Define properly.
4461 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
4463 (init_decl_processing): Initialize intmax_type_node and
4465 * c-lex.c (lex_number): When pedantic and warning for integer
4466 constants that are too large, in C99 mode warn for those that have
4467 a type wider than long long.
4469 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4471 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
4472 FMT_FLAG_FANCY_PERCENT_OK): Define.
4473 (format_char_info): Add flag "4" to comment.
4474 (format_flag_spec, format_flag_pair): New structures.
4475 (format_kind_info): Add additional fields to control format
4477 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
4478 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
4480 (time_char_table): Use "4" flag to handle %Ey.
4481 (format_types): Add entries for new fields.
4482 (get_flag_spec): New function.
4483 (check_format_info): Increase size of flag_chars[] to 256.
4484 Control format checking using the new fields of a format_kind_info
4485 and the new tables; remove all conditionals on printf_format_type,
4486 scanf_format_type or strftime_format_type. Handle all details of
4487 bad combinations of flags (including width, precision and strftime
4488 modifiers) through data rather than ad hoc code. Handle all
4489 details of standard versions in which flags appeared through
4490 data. Use the "4" flag.
4492 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
4494 * config/h8300/h8300.md: Remove the memory alternative and correct
4495 the insn lengths in the templates for sign extention and zero
4498 2000-10-07 Richard Henderson <rth@cygnus.com>
4500 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
4501 * flow.c (make_edges): Revert last change.
4503 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
4505 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
4507 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
4509 * config/alpha/elf.h: Standardize the formatting.
4511 2000-10-06 David O'Brien <obrien@FreeBSD.org>
4513 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
4516 2000-10-06 Richard Henderson <rth@cygnus.com>
4518 * function.c (diddle_return_value): Examine
4519 current_function_return_rtx instead of the DECL_RESULT.
4520 (expand_function_end): Handle reloading DECL_RESULT from memory
4521 into a hard register. Query promote_mode for sign of mismatched
4524 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4526 * haifa-sched.c (schedule_insns): Fix typo in freeing
4527 forward_dependency_cache.
4529 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4531 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
4532 `TARGET_SH2' as a condition.
4534 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4536 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
4537 forward_dependency_cache): New variables.
4538 (add_dependence, remove_dependence): Use anti_dependency_cache and
4539 output_dependency_cache.
4540 (compute_block_forward_dependences): Use forward_dependency_cache.
4541 (schedule_insns): Allocate and free memory for anti/output/forward
4542 dependencies caches.
4544 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4546 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
4547 `! TARGET_SH1'. Reindent.
4549 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4551 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
4552 Move functions from here ...
4554 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
4556 (c_expand_builtin): New function.
4557 (init_function_format_info): Don't set `check_function_format_ptr'.
4558 (c_common_nodes_and_builtins): Set built_in_class type for
4559 printf/__builtin_printf to BUILT_IN_FRONTEND.
4560 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
4562 * c-common.h (build_function_call): Declare.
4564 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
4565 to `lang_expand_expr' rather than `expand_builtin'.
4567 * tree.c (check_function_format_ptr): Delete.
4569 * tree.h (check_function_format_ptr): Likewise.
4571 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
4573 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
4574 DW_OP_bregx when cfa->reg > 31.
4576 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
4579 2000-10-05 Richard Henderson <rth@cygnus.com>
4581 * c-decl.c (warn_missing_noreturn): Remove.
4582 (c_expand_body): Don't set or check can_reach_end.
4583 * c-tree.h (warn_missing_noreturn): Move ...
4584 * flags.h: ... here.
4585 (can_reach_end): Remove.
4586 * flow.c (check_function_return_warnings): New.
4587 (make_edges): No edge to exit for noreturn sibcalls.
4588 * function.c (expand_function_end): Save the return value
4589 clobber instruction.
4590 (mark_function_status): Mark it.
4591 * function.h (struct function): Add x_clobber_return_insn.
4592 * jump.c (can_reach_end): Remove.
4593 (calculate_can_reach_end): Remove.
4594 (jump_optimize_1): Don't call it.
4595 * output.h (check_function_return_warnings): Declare.
4596 * toplev.c (warn_missing_noreturn): Move from c-decl.c
4597 (rest_of_compilation): Call check_function_return_warnings.
4599 2000-10-05 Richard Henderson <rth@cygnus.com>
4601 * Makefile.in (NM_FOR_TARGET): New.
4602 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
4603 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
4604 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
4605 shared library build on that and EXTRA_MULTILIB_PARTS.
4606 * mkmap-flat.awk: New file.
4607 * mkmap-symver.awk: New file.
4608 * libgcc-std.ver: New file.
4609 * config/libgcc-glibc.ver: New file.
4610 * config/ia64/libgcc-ia64.ver: New file.
4611 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4612 (SHLIB_LINK): Add --version-script.
4613 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
4614 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4615 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4616 (SHLIB_LINK): Add -M.
4618 2000-10-05 Richard Henderson <rth@cygnus.com>
4620 * Makefile.in (LIB2FUNCS): Add _clz.
4621 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
4622 (__clz_tab): Put in its own unit, non-static.
4623 * libgcc2.h: Always include longlong.h.
4625 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
4626 a zero instead of -1.
4627 (count_trailing_zeros): Likewise.
4629 2000-10-05 Richard Henderson <rth@cygnus.com>
4631 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
4632 when second op1 is const0_rtx. Validate op0 as a register.
4633 * config/alpha/alpha.md (setcc_internal): Don't allow constants
4634 in the first argument of the compare.
4635 (setcc_swapped_internal): Likewise.
4636 (setne_internal): Likewise.
4638 2000-10-05 Geoff Keating <geoffk@cygnus.com>
4640 * tree.c (tree_size): New function split out of copy_node.
4641 (make_node): Remove obstack handling. Use tree_size.
4642 (copy_node): Use tree_size.
4643 * tree.h: Prototype tree_size.
4645 2000-10-05 Richard Henderson <rth@cygnus.com>
4647 * diagnostic.c (output_format): Add missing break.
4649 2000-10-05 Jim Wilson <wilson@cygnus.com>
4651 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
4652 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
4653 sequence insn to INSN, and delete last sequence insn.
4655 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
4657 * gcc.c (main): Include generated configargs.h header
4658 and use arguments in '-v' output.
4660 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4662 * gcc.c: Move data on prefixes forward in file and reorganize.
4663 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
4664 Always define, but make null if no value.
4665 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
4666 and "md_startfile_prefix_1".
4667 (main): Check whether md_exec_prefix and the others are the
4668 null string rather than whether the macro is defined.
4670 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4672 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
4673 from PSImode to SImode.
4675 2000-10-05 Jakub Jelinek <jakub@redhat.com>
4677 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
4678 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
4679 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
4682 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4684 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
4685 negation in proper type.a
4687 2000-10-04 Richard Henderson <rth@cygnus.com>
4689 * configure.in (enable-shared): New.
4690 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
4691 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
4692 * mklibgcc.in: Use them to link shared a libgcc.
4693 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
4694 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
4695 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
4696 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
4698 * configure.in (alpha-osf*): Use t-osf and x-osf.
4699 * config/alpha/t-osf: New file.
4700 * config/alpha/t-osf4: New file.
4701 * config/alpha/x-osf: New file.
4702 * config/alpha/x-alpha: Remove file.
4704 2000-10-04 Will Cohen <wcohen@redhat.com>
4706 * c-typeck.c (process_init_element): Added warning for zero-length
4709 * extend.texi (Zero Length): State that static initializers for
4710 zero-length arrays are not allowed.
4712 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
4714 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
4717 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4719 * config/float-c4x.h: New.
4720 * configure.in (c4x-*): Set float_format to c4x.
4721 * configure: Regenerate.
4723 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4725 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
4726 compilation for solaris versions 2.7 and greater.
4728 2000-10-02 Marc Espie <espie@openbsd.org>
4730 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
4731 instead of redefining from scratch.
4733 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
4735 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
4737 2000-10-01 Mark Mitchell <mark@codesourcery.com>
4739 * config/ns32k/genix.h: Remove.
4740 * config/ns32k/x-genix: Likewise.
4741 * config/ns32k/xm-genix.h: Likewise.
4742 * config/fx80: Remove all filee in directory.
4743 * config/pyr: Likewise.
4744 * config/tahoe: Likewise.
4745 * config/gmicro: Likewise.
4746 * config/spur: Likewise.
4747 * configure.in: Remove configury bits for above targets.
4748 * configure: Regenerated.
4750 * configure.in: Don't configure chill by default.
4751 * configure: Regenerated.
4753 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
4754 (lang_mark_false_label_stack): Remove.
4755 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
4756 <top level> string in GC area.
4757 (mark_splay_tree_node): New function.
4758 (mark_splay_tree): Likewise.
4759 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
4761 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
4762 * ggc-common.c (lang_mark_false_label_stack): Change type.
4763 * ggc.h (ggc_alloc_string): Add comment.
4764 (ggc_strdup): New function.
4766 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
4768 * config/avr/avr.h (BRANCH_COST): Define as 0.
4770 * config/pdp11/pdp11.c: #include "tree.h" added.
4772 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
4774 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
4775 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
4776 with known shift count.
4777 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
4778 New alternative for shift count 2 with no scratch register.
4779 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
4780 "set_n" for shift counts 1 and 2.
4782 2000-09-30 Geoff Keating <geoffk@cygnus.com>
4784 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
4785 the mask value from the individual SET operations.
4786 (return_internal_si): Move the USE after the RETURN.
4787 (return_internal_di): Likewise.
4788 (return_and_restore_fpregs_si): Likewise.
4789 (return_and_restore_fpregs_di): Likewise.
4790 (return_eh_si): Likewise.
4791 (return_eh_di): Likewise.
4792 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
4794 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
4795 Don't generate a PARALLEL around a single operation movsi_to_cr.
4796 Generate the RETURN first in any PARALLELs.
4798 * rtlanal.c (single_set_1): Use fatal_insn to display the
4799 invalid insn. Check for more cases when a USE or CLOBBER occurs
4801 * Makefile.in: Update dependencies for rtlanal.o.
4803 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4805 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
4807 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4809 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
4810 Consistently use @email for formatting email addresses.
4812 2000-09-29 Richard Henderson <rth@cygnus.com>
4814 * cse.c (notreg_cost): New argument outer.
4815 (COST): Pass in SET to notreg_cost
4817 (fold_rtx): Use COST_IN. Prefer constants when costs
4820 2000-09-29 David Edelsohn <edelsohn@gnu.org>
4822 * fixinc/inclhack.def (broken_cabs): Generalize regex.
4823 * fixinc/fixincl.x: Regenerate.
4825 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4827 * loop.c (check_final_value): A GIV is not replaceable if used
4830 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
4832 * version.c: Bump to gcc-2.97.
4834 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
4836 * final.c (final_scan_insn): Remove extra extract_insn call;
4837 Use caching for constrain_operands.
4838 (cleanup_subreg_operands): Use caching for extract_insn.
4839 * recog.c (constrain_operands_cached): New.
4840 * recog.h (constrain_operands_cached): Declare.
4841 * i386.c (ix86_attr_length_immediate_default,
4842 ix86_attr_length_address_default, ix86_agi_dependant): Cache
4845 * recog.c (asm_noperands): Tweak.
4846 (extract_insn): Do not call asm_noperads for non-asm instructions.
4848 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4850 * recog.c (recog_memoized): Rename to recog_memoized_1.
4851 * recog.h (recog_memoized): Rename to recog_memoized_1.
4852 (recog_memoized): New macro.
4853 * rtl.h (single_set): Rename to single_set_1
4854 (single_set): New macro.
4855 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
4858 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
4859 Do not use match_dup of input operands at outputs.
4860 Use register_operand for memory expression.
4861 (rep_movsi): Put use last, canonicalize.
4862 Use register_operand for memory expression.
4863 (rep_movqi): Put use last.
4864 Use register_operand for memory expression.
4865 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
4866 of input operands at outputs. Use register_operand for memory
4868 (rep_stossi): Put use last; canonicalize; fix match_dup in
4869 the address expression
4870 (rep_stosqi): Likewise.
4871 (memcmp expander): Update calls.
4872 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
4875 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
4877 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
4879 2000-09-28 David O'Brien <obrien@FreeBSD.org>
4881 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
4882 Contains the old contents of config/i386/freebsd.h
4883 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
4884 Contains the old contents of config/i386/freebsd-elf.h
4885 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
4886 config/i386/freebsd.h.
4887 * configure.in: Adjust for above changes.
4888 * po/POTFILES.in: Likewise.
4889 * po/en_GB.po: Likewise.
4890 * po/gcc.pot: Likewise.
4891 * configure: Rebuilt.
4893 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4895 * doloop.c (doloop_modify): Prevent delete_insn() from
4896 deleting too much. Prefer loop->top over loop->start as
4897 target for the new JUMP insn.
4898 (doloop_valid_p): Ignore loop with exit_count != 0.
4900 2000-09-28 Philipp Thomas <pthomas@suse.de>
4902 * invoke.texi (i386 Options): Add athlon to table of possible
4905 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
4907 * diagnostic.h (output_clear_message_text): New function.
4908 (output_message_text): New macro.
4910 * diagnostic.c (clear_text_info): Rename to
4911 output_clear_message_text.
4912 (output_clear): Adjust.
4913 (output_finish): Rename to output_finalize_message. Tweek.
4914 (output_to_stream): Adjust.
4916 2000-09-28 Neil Booth <neilb@earthling.net>
4918 * cpperror.c (_cpp_begin_message): Do the test for suppression
4919 of warnings and pedantic warnings before the "is a warning an
4921 * cppinit.c (cpp_handle_option): Remove surplus \n.
4922 * cpplex.c (ON_REST_ARG): Delete.
4923 (skip_block_comment): Initialise prevc.
4924 (parse_args): Improve error messages.
4925 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
4927 * cpplib.c (cpp_push_buffer): Fix grammar in message.
4928 * cppmain.c (main): Set callbacks for #ident and #pragma
4929 only if no_output option is false.
4930 (do_pragma_implementation): Only call the #pragma handler
4931 if it is set in the cpp_reader structure.
4933 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
4935 * integrate.c (copy_insn_list): if an ignored return value
4936 is being clobbered, skip cloning that into the inline copy.
4938 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
4940 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
4941 use @uref for formatting URLs.
4943 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
4945 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
4948 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
4950 * gcc.c (cpp_options): Add spec for -ftabstop=.
4951 (invoke_as): New spec that handles invoking as.
4952 Update specs to handle -save-temps and -traditional.
4953 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
4955 * cp/lang-specs.h, objc/lang-specs.h: Update to use
4956 invoke_as, and handle -save-temps and -traditional (if
4959 2000-09-26 Jakub Jelinek <jakub@redhat.com>
4961 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
4963 (function_arg_slotno): Accept TImode/CTImode.
4964 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
4967 2000-09-26 Michael Hayes <mhayes@cygnus.com>
4969 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
4972 2000-09-25 Jim Wilson <wilson@cygnus.com>
4974 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
4975 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
4976 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
4977 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
4979 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4981 * cpplex.c (parse_args): Don't set VOID_REST flag.
4982 (CONTEXT_VARARGS): New flag.
4983 (maybe_paste_with_next): Set context earlier in loop. Use
4984 it. Do varargs test with CONTEXT_VARARGS flag.
4985 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4986 pushing an argument context for a varargs argument.
4987 * cpplib.h (VOID_REST): Delete.
4988 * gcc.dg/cpp/vararg1.c: Add test case.
4990 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4992 * flags.h: Declare warning flag warn_system_headers.
4993 * toplev.c: Define it.
4994 (W_options): Add option -Wsystem-headers.
4995 * diagnostic.c (count_error): Test warn_system_headers.
4996 * invoke.texi: Add description for -Wsystem-headers.
4997 * cpplib.h (cpp_options): New member warn_system_headers.
4998 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4999 CPP_IN_SYSTEM_HEADER.
5000 * cpplib.c (do_import, do_pragma_once): Likewise.
5001 * cpperror.c (_cpp_begin_message): Test warn_system_headers
5002 and CPP_IN_SYSTEM_HEADER.
5003 * cppinit.c (handle_option): Recognize -Wsystem_headers.
5004 (print_help): Describe -Wsystem_headers.
5005 * cpplex.c (lex_line): Reorganize condition so that warnings
5006 about C++ comments in system headers can be enabled. Remove
5007 label do_line_comment.
5009 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
5011 * cpplex.c (save_comment): Only store the initial '/'
5013 (lex_token): Combine handling of the two comment types.
5014 Pass everything but the initial '/' to save_comment.
5016 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
5018 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
5019 _cpp_can_paste): New library-internal prototypes.
5020 * cpplex.c (dump_param_spelling, output_line_command,
5021 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
5022 cpp_printf, cpp_output_list): Move to cppoutput.c.
5023 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
5024 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
5026 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
5027 dump_param_spelling, output_line_command, cpp_scan_buffer,
5028 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
5030 * Makefile.in: Add cppoutput.c.
5031 * po/POTFILES.in: Add cppoutput.c.
5033 2000-09-25 Richard Henderson <rth@cygnus.com>
5035 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
5036 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
5037 split until after reload.
5038 (rotlsi3, rotldi3): New.
5040 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
5042 * diagnostic.c (output_last_position): Define.
5043 (set_real_maximum_length): Tweek.
5044 * diagnostic.h (output_last_position): Declare.
5046 2000-09-25 Kazu Hirata <kazu@hxi.com>
5048 * config/i386/i386.c: Fix formatting.
5050 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
5052 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
5053 UNITS_PER_WORD is small.
5055 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
5057 * c-common.c (format_char_info): Add flags2; update comments.
5058 (print_char_table, scan_char_table, time_char_table): Split some
5059 flags out into flags2.
5060 (check_format_info): Use flags2 for those flags, for identifying
5061 the initial character of a scanf scanset, and for identifying
5062 printf formats where the '0' flag is ignored with precision.
5064 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
5066 Changes below marked "here" add TABs on either or both sides,
5067 covering start of line, up to any operand for all noted .*ASM.*_OP
5068 definitions. All callers changed.
5069 * tm.texi: Make documented *_ASM.*_OP:s include spacing
5070 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
5071 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5072 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5073 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
5074 Fix typos in description for LONG_LONG_TYPE_SIZE and
5075 FINI_SECTION_ASM_OP.
5076 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
5077 why these defaults don't have leading spacing.
5078 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
5079 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5080 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
5081 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
5082 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
5083 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
5084 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
5085 * varasm.c (ASM_STABS_OP): Here.
5086 * xcoffout.h (ASM_STABS_OP): Here.
5087 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
5088 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
5089 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
5090 STRING_ASM_OP): Here.
5091 * config/freebsd.h (IDENT_ASM_OP): Here.
5092 * config/linux-aout.h (SET_ASM_OP): Here.
5093 * config/linux.h (SET_ASM_OP): Here.
5094 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5096 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
5097 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
5098 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
5099 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5101 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
5102 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
5103 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
5104 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5105 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
5106 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5107 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
5108 * config/a29k/udi.h (INT_ASM_OP): Here.
5109 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
5110 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
5112 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
5113 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5114 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5115 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
5116 ASM_STABD_OP): Here.
5117 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
5118 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
5119 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5120 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
5121 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
5122 SIZE_ASM_OP, STRING_ASM_OP): Here.
5123 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
5124 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
5125 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
5126 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
5127 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
5128 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
5130 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5131 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
5132 * config/arm/coff.h (INT_ASM_OP): Here.
5133 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
5134 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
5135 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
5136 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
5137 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
5138 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5139 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
5140 STRING_ASM_OP): Here. Update documentation copy in comments.
5141 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
5142 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
5143 DATA_SECTION_ASM_OP): Here.
5144 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
5146 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
5147 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
5148 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5149 BSS_SECTION_ASM_OP): Here.
5150 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5151 BSS_SECTION_ASM_OP): Here.
5152 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5154 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
5155 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
5156 * config/h8300/h8300.h (ASM_WORD_OP): Here.
5157 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5158 BSS_SECTION_ASM_OP): Here.
5159 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
5160 * config/i386/bsd.h (ASM_BYTE_OP): Here.
5161 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
5162 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
5163 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
5165 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
5166 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
5168 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
5169 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5170 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
5171 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
5173 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
5174 * config/i386/netbsd.h (INT_ASM_OP): Here.
5175 * config/i386/openbsd.h (INT_ASM_OP): Here.
5176 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
5177 IDENT_ASM_OP): Here.
5178 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
5179 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
5180 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
5181 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
5182 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
5183 SHARED_BSS_SECTION_ASM_OP): Here.
5184 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
5185 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5186 DATA_SECTION_ASM_OP): Here.
5187 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5188 CONST_SECTION_ASM_OP): Here.
5189 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
5190 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5191 BSS_SECTION_ASM_OP): Here.
5192 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
5193 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
5194 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
5195 BSS_ASM_OP): Here, but use trailing spaces.
5196 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5197 DATA_SECTION_ASM_OP): Here.
5198 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
5200 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
5201 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
5202 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5203 TDESC_SECTION_ASM_OP): Here.
5204 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
5205 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5206 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5208 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5209 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5210 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5211 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5212 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
5213 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
5214 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5215 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
5216 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
5217 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
5218 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5219 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5221 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5222 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5223 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
5224 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
5225 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
5226 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
5227 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
5228 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5229 GLOBAL_ASM_OP): Here.
5230 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
5231 BSS_SECTION_ASM_OP): Here.
5232 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
5233 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5234 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
5235 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
5237 * config/m68k/newsgas.h (SET_ASM_OP): Here.
5238 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
5239 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5240 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5241 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5242 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
5243 but use trailing spaces.
5244 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
5245 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
5246 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
5248 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5249 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5250 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5251 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5252 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5253 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
5254 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
5255 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
5256 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
5257 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
5258 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5259 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
5261 * config/m88k/openbsd.h (SET_ASM_OP): Here.
5262 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5263 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5264 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
5265 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
5266 DTORS_SECTION_ASM_OP): Here.
5267 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
5268 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5269 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
5270 BSS_SECTION_ASM_OP): Here.
5271 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
5272 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
5273 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
5274 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
5275 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
5276 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5277 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
5278 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
5280 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
5282 * config/mips/osfrose.h (SET_ASM_OP): Here.
5283 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
5284 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
5285 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
5286 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5288 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
5289 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
5290 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
5291 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
5292 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
5293 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5295 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5297 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
5298 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
5299 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
5301 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
5302 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
5303 * config/sparc/linux.h (COMMON_ASM_OP): Here.
5304 * config/sparc/linux64.h (COMMON_ASM_OP,
5305 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5306 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
5307 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5308 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
5309 * config/sparc/pbd.h (ASM_INT_OP): Here.
5310 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
5311 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5312 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
5313 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
5314 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
5315 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
5316 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
5317 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
5318 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
5319 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5320 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5321 EH_FRAME_SECTION_ASM_OP): Here.
5322 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
5323 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5325 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5327 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
5328 TCOMMON_ASM_OP): Here.
5329 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5331 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5334 2000-09-25 Richard Henderson <rth@cygnus.com>
5336 * expmed.c (store_bit_field): Adjust last change to not consider
5337 any word-sized field naturally aligned.
5339 2000-09-24 Richard Henderson <rth@cygnus.com>
5341 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
5342 TFmode unordered compares properly. Revalidate integer compare
5344 (alpha_emit_setcc): New.
5345 (alpha_emit_conditional_move): Revalidate integer compare operands.
5346 * config/alpha/alpha-protos.h: Update.
5347 * config/alpha/alpha.md (cmpdi): Allow general operands.
5348 (sne): Use alpha_emit_setcc.
5349 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
5350 (sunordered, sordered): New.
5352 2000-09-24 Richard Henderson <rth@cygnus.com>
5354 * config/ia64/ia64-protos.h: Update.
5355 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
5356 (ia64_expand_call): New.
5357 (ia64_expand_prologue): Emit an alloc if we need extra input
5359 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
5360 instruction if true.
5361 (struct reg_flags): Add is_sibcall.
5362 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
5363 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
5364 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
5365 * config/ia64/ia64.h (PREDICATE_CODES): Update.
5366 * config/ia64/ia64.md (call): Use ia64_expand_call.
5367 (call_value): Likewise.
5368 (sibcall, sibcall_value): New.
5369 (call patterns): Remove extra expanders; tidy.
5370 (sibcall_epilogue): New.
5371 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
5373 2000-09-24 Richard Henderson <rth@cygnus.com>
5375 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
5377 * sibcall.c (skip_pic_restore): New.
5378 (identify_call_return_value): Use it.
5380 2000-09-24 Mark Mitchell <mark@codesourcery.com>
5382 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
5383 functions. Generalize to handle both C and C++.
5384 * Makefile.in (c-tree.info): New target.
5385 (info): Add c-tree.info.
5387 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5389 * expr.c (store_field): If BITSIZE is negative, use size of type.
5390 (expand_expr, case COMPONENT_EXPR): Likewise.
5392 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
5394 * cpplex.c: Update TODO comment.
5395 * cpplib.c (do_error, do_warning): Merge common code of
5396 do_error and do_warning into do_diagnostic. Use it.
5397 (do_diagnostic): New function.
5398 * cpplib.h: Fix comment typo.
5400 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5402 * c-common.c (check_format_info): Warn for a wide character string
5403 used as a non-wide format argument.
5405 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5407 * builtins.def (BUILT_IN_LLABS): Add.
5408 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
5409 * c-common.c (c_common_nodes_builtins): Create builtin functions
5410 __builtin_llabs, and plain llabs unless no_nonansi_builtins
5411 outside of C99 mode.
5412 (expand_tree_builtin): Handle BUILT_IN_LLABS.
5414 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
5416 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
5417 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
5418 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
5419 _cpp_free_toklist): No need to worry about extra dummy token
5420 at the start of token lists any more.
5421 (trigraph_ok): Only warn outside comments.
5422 (skip_block_comment): Set and clear lexing_comment.
5423 (skip_line_comment): Take a cpp_reader not cpp_buffer.
5424 Set and clear lexing_comment.
5425 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
5426 (check_long_token): Delete.
5427 (lex_percent, lex_dot): New subroutines of lex_token to
5428 handle lexing of '.' and '%' without lookback.
5429 (lex_token): Use lex_dot and lex_percent.
5430 (lex_line): Don't check for LIST_OFFSET.
5431 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
5432 * cpplib.c (_cpp_parse_assertion): Similarly.
5433 (cpp_push_buffer): Initialize extra_char.
5434 * cpplib.h (LIST_OFFSET): Delete.
5435 (struct cpp_buffer): New member extra_char.
5436 (struct lexer_state): New members lexing_comment and seen_dot.
5438 2000-09-23 Jason Merrill <jason@redhat.com>
5440 * config/rs6000/x-aix41 (CLIB): Define here.
5441 * config/rs6000/t-aix43: Not here.
5442 * config/rs6000/t-aix41: Or here. Remove.
5443 * configure.in: Don't use it.
5445 2000-09-22 Jason Merrill <jason@redhat.com>
5447 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
5448 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
5449 * config.in: Regenerate.
5451 * configure.in: Fix checks for assembler features when using a
5452 one-tree assembler that has not yet been built.
5453 Fix --disable-threads.
5455 2000-09-19 Geoff Keating <geoffk@cygnus.com>
5457 * stmt.c (expand_asm_operands): Allow # in constraints.
5459 2000-09-22 Jason Merrill <jason@redhat.com>
5461 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
5463 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
5464 function-local names.
5466 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
5467 Mark Mitchell <mark@codesourcery.com>
5469 * toplev.c (warn_disabled_optimization): Declare new warning flag.
5470 * flags.h (warn_disabled_optimization): Add it here.
5471 * gcse.c (gcse_main): Add warning when disabled.
5472 * invoke.texi: Document -Wdisabled-optimization.
5474 2000-09-21 Jason Merrill <jason@redhat.com>
5476 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
5478 * dwarf2out.c (tree_add_const_value_attribute): New fn.
5479 (gen_variable_die): Call it for non-definitions.
5481 * dwarf2out.c (die_struct): Add die_mark field.
5482 (mark_dies, unmark_dies): New fns.
5483 (clear_die_sizes): Remove.
5484 (print_die): Check die_symbol rather than die_offset.
5485 (build_abbrev_table, output_pubnames, output_aranges): Check
5486 die_mark rather than die_offset.
5487 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
5490 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
5492 * cppfiles.c (lookup_include_file): Rename to open_file.
5493 Always create a splay tree value, even on syscall failures.
5494 Negative entries indicated by fd == -2.
5495 Re-open files closed in the meantime.
5496 (_cpp_fake_include): Create a negative splay tree entry.
5497 (find_include_file, cpp_read_file): Update for function name
5499 * gcc.gd/cpp/mi4.c: Testcase.
5501 2000-09-21 Nick Clifton <nickc@redhat.com>
5503 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
5504 ARM and THUMB modes.
5506 * config/mcore/mcore.c: Fix compile time warnings.
5507 * config/mcore/mcore-protos.h: Fix compile time warnings.
5509 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5511 * configure.in: Correct test of gcc_cv_glibc.
5512 * configure: Rebuilt.
5513 * config.in: Rebuilt.
5515 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5517 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
5518 (expand_builtin): Handle BUILT_IN_FWRITE.
5520 * builtins.def (BUILT_IN_FWRITE): New entry.
5522 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
5524 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5526 * gcc.c (modify_target): New variable and struct.
5527 (process_command): Handle MODIFY_TARGET_NAME.
5528 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
5529 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
5531 * c-decl.c (finish_decl): Add else's to avoid referencing
5532 TYPE_DOMAIN of an ERROR_MARK.
5534 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
5536 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
5539 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
5541 * config/avr/avr.md (neghi2): Add alternative for input and output
5542 operands in different registers, as in negsi2.
5543 (*negsi2): Remove '*' from the name. Use "movw" if available.
5545 2000-09-19 Jim Wilson <wilson@cygnus.com>
5547 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
5548 HAVE_GAS_HIDDEN macro.
5550 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
5552 * cpplex.c (lex_line): Drop the EOF token for unknown
5553 directives in assembler.
5555 2000-09-19 David Edelsohn <edelsohn@gnu.org>
5557 * configure.in: Allow enable_threads_flag value of "aix". Define
5558 thread_file as "aix" for AIX 4.3 and above.
5559 * configure: Regenerated.
5561 * gthr-aix.h: New file.
5563 * rs6000/t-aix43: Replace soft-float multilib with pthread.
5564 Remove 403 processor multilib match. Fix rios2 processor multilib
5567 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
5568 to return to appropriate csect.
5570 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5572 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
5574 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
5575 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
5578 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
5581 * c-common.c (init_function_format_info): Handle __builtin_printf.
5582 Set `check_function_format_ptr'.
5583 (c_common_nodes_and_builtins): Set `puts_ftype' and
5584 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
5585 __builtin_printf and printf.
5587 * tree.c, tree.h (check_function_format_ptr): Declare.
5589 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
5591 * cppfiles.c (read_include_file): Take no special action for
5594 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
5596 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
5597 rather than that of branch.
5598 (shorten_branches): Don't increment insn_current_address twice.
5600 Undo most of the Wed Jan 27 23:39:53 1999 patch:
5601 * loop.h (struct induction): Delete members derived, ix and last_use.
5602 (struct loop_ivs): Delete members first_increment_giv and
5604 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
5605 recombine_givs): Delete functions.
5606 (find_and_verify_loops): Don't initialize cont_dominator.
5607 (strength_reduce): Lose code to try to find bivs that can be
5608 expressed as givs of another biv, and to convert biv increments
5610 Lose loop_scan_start variable, always use loop->scan_start.
5611 Don't call recombine_givs. Don't handle derived givs.
5612 (record_giv): Don't initialize derived and last_use fields.
5613 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
5615 * unroll.c (derived_regs): Delete static variable.
5616 (unroll_loop): Don't initialize it.
5617 (copy_loop_body): Lose code to handle derived givs.
5618 (find_splittable_givs): Don't check for givs made from biv
5620 Don't set derived_regs.
5622 Fix misapplied earlier patch:
5623 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
5625 (floatsisf2): Generate floatsisf_ie by default.
5626 (floatsisf_i4): Conditional on TARGET_SH4.
5628 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
5629 predicate for the expanders.
5631 2000-09-19 Richard Henderson <rth@cygnus.com>
5633 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
5634 in addition to pentium and pentiumpro symbols.
5635 (CPP_CPU_DEFAULT_SPEC): Likewise.
5637 * c-typeck.c (c_expand_asm_operands): Restore the output tree
5640 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
5641 if the tree has side effects.
5642 (warn_if_unused_value): Do not warn about void constructs.
5644 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
5646 * unroll.c (copy_loop_body): Update LABEL_NUSES before
5647 calling invert_jump.
5649 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5651 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
5654 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5656 * Makefile.in (c-common.o): Depend on diagnostic.h.
5658 * c-common.c: Include diagnostic.h.
5660 (status_warning): New function.
5661 (check_format_info, maybe_read_dollar_number, check_format_types,
5662 finish_dollar_format_checking, check_function_format): Accept a
5663 `status' parameter. All callers changed.
5665 * c-common.h (check_function_format): Accept a `status' parameter.
5667 * c-typeck.c: Update call to `check_function_format'.
5669 2000-09-18 Richard Henderson <rth@cygnus.com>
5671 * c-decl.c (c_expand_body): Call mark_varargs before
5672 expand_function_start.
5674 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5676 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
5677 * config/rs6000/eabi-ci.asm: Likewise.
5679 2000-09-18 Richard Henderson <rth@cygnus.com>
5681 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
5684 2000-09-18 Jim Wilson <wilson@cygnus.com>
5686 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
5687 before passing it to fold_rtx_mult_add.
5689 * unroll.c (final_giv_value): Pass increment through
5690 extend_value_for_giv before passing it to emit_iv_add_mult.
5692 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
5693 paradoxical subreg, then directly substitute the replacement and
5696 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
5698 * cpp.texi: Update documentation, including some clarifications,
5699 the treatment of various newline combinations, and space between
5700 backslash and newline.
5702 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5704 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
5705 Replace ASM_OUTPUT_LABELREF with assemble_name.
5707 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5709 * sh.c (addsubcosts): CONST is not cheap.
5710 (find_barrier): For Sh1, take alignment after jumps into account.
5712 2000-09-15 Andrew Haley <aph@redhat.com>
5714 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
5715 remove all SETs of SUBREGs of hard registers.
5716 * function.c (purge_hard_subreg_sets): New function.
5717 (purge_single_hard_subreg_set): New function.
5718 * rtl.h: (purge_hard_subreg_sets): New function.
5720 2000-09-18 Richard Henderson <rth@cygnus.com>
5722 * config/ia64/ia64-protos.h: Update.
5723 * config/ia64/ia64.c (signed_inequality_operator): New.
5724 (ia64_expand_compare): New.
5725 (ia64_register_move_cost): Handle PR_REGS moves.
5726 (ia64_secondary_reload_class): Require a GR when moving to a PR.
5727 (struct reg_write_state): Add written_by_and/or.
5728 (struct reg_flags): Add is_and/or.
5729 (rws_update): Set them.
5730 (rws_access_regno): Test them to allow parallel comparisons.
5731 (rtx_needs_barrier): Recognize parallel comparisons.
5732 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
5733 Call recog_memoized; ignore pred_rel_mutex.
5734 (emit_predicate_relation_info): Don't call find_basic_blocks here.
5735 (ia64_reorg): Do it here instead.
5736 * config/ia64/ia64.h: s/CCmode/BImode/g
5737 (MODES_TIEABLE_P): Don't tie BImode.
5738 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
5739 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
5740 (RTX_COSTS): Make multiply 4 insns.
5741 (MEMORY_MOVE_COST): New.
5742 (PREDICATE_CODES): Update.
5743 * config/ia64/ia64.md: s/CCmode/BImode/g
5744 (movcci, movbi): New.
5745 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
5746 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
5747 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
5748 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
5749 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
5750 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
5751 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
5752 (mulsi, muldi): Use xmpy not xma.
5754 (movcc, movcc_internal): Remove.
5755 (branch expanders): Use ia64_expand_compare.
5756 (setcc expanders): Likewise.
5757 (cmov insns): Use move_operand and ia64_move_ok.
5758 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
5759 scheduler from moving it past a use.
5760 * config/ia64/build.hacks: Remove.
5762 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
5764 * cpphash.h (HASHSTEP): Take character rather than pointer
5766 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
5768 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
5770 * cpplex.c (auto_expand_name_space, trigraph_replace,
5771 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
5772 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
5773 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
5774 KNOWN_DIRECTIVE): Delete.
5776 (handle_newline, check_long_token, skip_escaped_newlines,
5777 unterminated): New functions.
5778 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
5780 (parse_identifier): Was parse_name, new implementation.
5781 (skip_line_comment, skip_block_comment, skip_whitespace,
5782 parse_number, parse_string, trigraph_ok, save_comment,
5783 adjust_column, _cpp_get_line): New implementations.
5785 (lex_token): New function. Lexes a token at a time, looking
5786 forwards. Contains most of the guts of the old lex_line.
5787 (lex_line): New implementation, using lex_token to obtain
5789 (cpp_scan_buffer): Use the token's line, not the list's line.
5791 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
5792 New implementations.
5793 (do_assert): Don't bother setting the answer's list's line.
5794 (cpp_push_buffer): Initialise new pfile and read_ahead members
5795 of struct cpp_buffer.
5797 * cpplib.h (cppchar_t): New typedef.
5798 (struct cpp_buffer): read_ahead, pfile and col_adjust are
5800 (struct lexer_state): New structure that determines the state
5801 and behaviour of the lexer.
5802 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
5803 (struct cpp_reader): New member "state". Rename
5804 multiline_string_line and multiline_string_column. Delete
5805 col_adjust, in_lex_line members.
5806 (CPP_BUF_COLUMN): Update.
5808 2000-09-18 Richard Henderson <rth@cygnus.com>
5810 * combine.c (simplify_comparison): Shift a NOT out of a single
5813 * combine.c (if_then_else_cond): Canonicalize BImode true to
5815 * explow.c (trunc_int_for_mode): Likewise.
5817 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
5818 the NOT for De Morgan's rule.
5819 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
5820 of a comparison to the reverse comparison.
5822 * combine.c (try_combine): Allow split to create a single insn.
5824 * machmode.def: Add BImode. Add a column for bitsize.
5825 * machmode.h (DEF_MACHMODE): Adjust for extra column.
5826 (GET_MODE_BITSIZE): Use it.
5827 * rtl.c (DEF_MACHMODE): Adjust for extra column.
5828 (mode_bitsize): New.
5829 (mode_mask_array): Use bitsize.
5830 * combine.c (combine_simplify_rtx): Require inner and outer
5831 modes to match on nonzero_bits optimizations.
5833 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5835 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
5836 its entry in spill_reg_store.
5837 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
5838 * sh.c (reg_no_subreg_operand): New function.
5839 * sh-protos.h (reg_no_subreg_operand): Declare it.
5840 * sh.h (PREDICATE_CODES): Add it.
5841 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
5842 input operand that needs to be in fpul.
5843 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
5844 * sh.c (find_barrier): Take into account that machine_dependent_reorg
5845 might add new insns.
5847 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
5849 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
5851 (sh_expand_epilogue): Take the PIC register into account when
5852 computing the frame size.
5854 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
5855 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
5856 LABEL_REFs with a PIC-safe unspec.
5858 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5860 * c-common.c (check_format_info): Properly save the argument
5861 number and parameter for $ operand number formats in case width
5862 and precision arguments are also used. Allow printf width and
5863 precision arguments to have operand numbers even if none was
5864 specified for the main format, since this is OK for %*.*m. Only
5865 object to missing $ operand number if the format used requires an
5868 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5870 * c-common.c (format_char_info): Add 'W' flag to comment.
5871 (print_char_table, scan_char_table): Use it.
5872 (check_format_info): Use the 'W' flag to determine whether a
5873 format argument is written into.
5875 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5877 * c-common.c (check_format_types): Reorganise and clean up,
5878 checking earlier for ERROR_MARKs and making cur_type into its
5879 TYPE_MAIN_VARIANT where convenient.
5881 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5883 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
5885 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5887 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
5889 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
5890 * i386.c (struct builtin_description): New.
5891 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
5892 (mmx_reg_operand): Declare MODE arg as unused.
5893 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
5894 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
5895 ix86_expand_binop_builtin, ix86_expand_store_builtin,
5896 ix86_init_builtins, ix86_expand_builtin): New functions.
5897 * i386.h (ix86_builtins): New enumeration.
5898 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
5899 * i386.md (attr length_immediate): 0 for mmx/sse types.
5900 (attr prefix_0f): 1 for mmx/sse types.
5901 (setcc_2): Remove "*" so we get gen_setcc_2.
5902 (emms): Account for changed register numbering. Set "memory" attr
5904 (sfence): Set "memory" attr to unknown.
5906 2000-09-18 Andreas Jaeger <aj@suse.de>
5908 * configure.in: Define _GNU_SOURCE only when using the GNU C
5910 * configure: Regenerated.
5911 * config.in: Regenerated.
5913 2000-09-17 Mark Mitchell <mark@codesourcery.com>
5915 * cppinit.c (cpp_init): Don't use ANSI prototypes.
5916 * flow.c (flow_dump_loop): Likewise.
5917 (flow_loops_dump): Likewise.
5919 * c-typeck.c (c_start_case): Fix typo.
5921 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5923 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
5924 to int for plain complex which defaults to complex double. Do
5925 warn about defaulting to complex double if pedantic. Warn about
5926 complex integer types if pedantic. Warn about complex types if
5927 pedantic and not in C99 mode.
5928 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
5929 for complex conjugation.
5931 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5933 * contrib.texi: Update my entry.
5935 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
5937 * config/avr/avr.md (mcu_enhanced): New attribute.
5938 (mcu_mega): Likewise.
5939 (extendhisi2): Use mcu_enhanced.
5940 (zero_extendhisi2): Likewise.
5941 (call_insn): Use mcu_enhanced and mcu_mega.
5942 (call_value_insn): Likewise.
5943 (*sbrx_branch): Use mcu_mega.
5944 (*sbrx_and_branchsi): Likewise.
5945 (*sbrx_and_branchhi): Likewise.
5946 (*tablejump_lib): Likewise.
5948 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5950 * alias.c (true_dependence): Allow non-unchanging read to conflict
5951 with unchanging write.
5953 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
5954 (store_constructor): Pass alias_set to it.
5956 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
5957 TYPE_MAIN_VARIANT of ERROR_MARK.
5958 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
5960 * simplify-rtx.c (simplify_unary_operation): Add cases
5961 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
5963 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
5965 * expr.h (emit_library_call, emit_library_call_value): Delete
5967 * rtl.h (enum libcall_type): New.
5968 (emit_library_call, emit_library_call_value): Change fn_type arg to
5969 be of type enum libcall_type.
5970 * calls.c: Likewise for the function definitions. Several callers
5971 throughout changed to use the new enumeration appropriately.
5972 (emit_library_call_value_1): Likewise. Put back code to make libcall
5973 blocks of equal form, but only use it for the two new higher
5976 2000-09-16 Mark Mitchell <mark@codesourcery.com>
5978 Convert the C front-end to use function-at-a-time mode.
5979 * c-common.h: Include splay-tree.h.
5980 (C_DECLARED_LABEL_FLAG): New macro.
5981 (struct language_function): Add x_scope_stmt_stack and
5982 x_function_name_declared_p.
5983 (RECHAIN_STMTS): Move definition.
5984 (lang_statment_code_p): Likewise.
5985 (lang_expand_stmt): Likewise.
5986 (lang_expand_decl_stmt): New variable.
5987 (lang_expand_function_end): Likewise.
5988 (current_scope_stmt_stack): New function.
5989 (add_decl_stmt): Likewise.
5990 (add_scope_stmt): Likewise.
5991 (mark_stmt_tree): Likewise.
5992 (struct c_lang_decl): New structure.
5993 (DECL_SAVED_TREE): Define.
5994 (c_mark_lang_decl): New function.
5995 (c_expand_start_cond): Change prototype.
5996 (c_finish_then): New function.
5997 (c_finish_else): Likewise.
5998 (current_function_name_declared): Remove.
5999 (set_current_function_name_declared): Likewise.
6000 (mark_c_language_function): Declare.
6001 (case_compare): Likewise.
6002 (c_add_case_label): Likewise.
6003 (c_expand_expr): Likewise.
6004 (c_safe_from_p): Likewise.
6005 * c-common.c (lang_expand_function_end): New variable.
6006 (struct if_elt): Add if_stmt.
6007 (c_expand_start_cond): Add the if-statement to the statement-tree,
6008 rather than generating RTL.
6009 (c_finish_then): New function.
6010 (c_expand_start_else): Don't generate RTL.
6011 (c_finish_else): New function.
6012 (c_expand_expr_stmt): Don't generate RTL.
6013 (statement_code_p): Add SCOPE_STMT.
6014 (case_compare): New function.
6015 (c_add_case_label): Likewise.
6016 (mark_stmt_tree): Likewise.
6017 (c_mark_lang_decl): Likewise.
6018 (mark_c_language_function): Likewise.
6019 (c_expand_expr): Likewise.
6020 (c_safe_from_p): Likewise.
6021 * c-decl.c (c_stmt_tree): New variable
6022 (c_scope_stmt_stack): Likewise.
6023 (c_function_name_declared_p): Likewise.
6024 (lang_expand_expr_stmt): Remove.
6025 (poplevel): Don't call output_inline_function for nested
6027 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
6029 (redeclaration_error_message): Change means of computing whether
6030 or not a function is nested.
6031 (lookup_label): Don't call label_rtx.
6032 (init_decl_processing): Add more GC roots.
6033 (start_decl): Add DECL_STMTs to the statement-tree, rather than
6034 calling rest_of_decl_compilation.
6035 (finish_decl): Don't call expand_decl.
6036 (store_parm_decls): Begin the statement-tree, but don't generate
6038 (finish_function): Tie off the statement-tree. Call c_expand_body
6040 (c_expand_body): New function.
6041 (push_c_function_context): Save more information.
6042 (pop_c_function_contxt): Likewise.
6043 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
6044 (lang_mark_tree): Mark it.
6045 (current_stmt_tree): Adjust.
6046 (current_scope_stmt_stack): New function.
6048 (set_current_name_declared): Likewise.
6049 (c_begin_compound_stmt): Define.
6050 (c_expand_decl_stmt): Likewise.
6051 * c-lang.c: Include rtl.h and expr.h.
6052 (lang_init): Set more language-specific hooks.
6053 * c-lex.c: Include expr.h.
6054 * c-parse.in: Changes throughout to add statements to the
6055 statement-tree, rather than generating RTL after every statement.
6056 * c-semantics.c (lang_expand_decl_stmt): Define.
6057 (add_decl_stmt): New function.
6058 (add_scope_stmt): Likewise.
6059 (finish_stmt_tree): Tweak.
6060 (genrtl_expr_stmt): Likewise.
6061 (genrtl_decl_stmt): Handle local labels, and call
6062 lang_expand_decl_stmt if required.
6063 (genrtl_for_stmt): Fix line-number handling.
6064 (genrtl_case_label): Handle cleanups.
6065 (genrtl_asm_stmt): Don't call combine_strings.
6066 (genrtl_compound_stmt): Simplify.
6067 (expand_stmt): Handle SCOPE_STMTs.
6068 * c-tree.h (struct lang_decl): New structure.
6069 (C_DECLARED_LABEL_FLAG): Remove.
6070 (c_begin_compound_stmt): Declare.
6071 (c_expand_decl_stmt): Likewise.
6072 (c_expand_start_case): Rename to c_start_case.
6073 (c_finish_case): New function.
6074 * c-typeck.c (start_init): Tweak setting of
6075 constructor_incremental.
6076 (c_expand_asm_operands): Tweak error-handling. Add to the
6078 (c_expand_return): Add to the statement-tree.
6079 (c_expand_start_case): Rename to ...
6080 (c_start_case): ... this.
6081 (struct c_switch): New type.
6082 (switch_stack): New variable.
6083 (do_case): Simplify.
6084 (c_finish_case): New function.
6085 * dependence.c: Include expr.h.
6086 (enum dependence_type): Change spelling of enumerals.
6087 (check_node_dependence): Adjust.
6088 * expr.h (lang_safe_from_p): Declare.
6089 (safe_from_p): Likewise.
6090 * expr.c (lang_safe_from_p): New variable.
6091 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
6092 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
6093 * toplev.c (rest_of_decl_compilation): Robustify.
6094 * tree.c (contains_placeholder_p): Likewise.
6095 * Makefile.in: Update dependencies.
6096 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
6097 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
6098 (objc_expand_function_end): New function.
6099 (finish_method_def): Use it.
6100 (init_objc): Initialize more language-specific hooks.
6101 * objc/Make-lang.in: Update dependencies.
6103 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
6105 * configure.in: Define macros that affect features before
6106 testing for features. Don't define _XOPEN_SOURCE.
6107 * configure: Regenerated.
6108 * config.in: Regenerated.
6110 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
6112 * rtlanal.c (rtx_varies_p): Volatile asms vary.
6113 (rtx_unstable_p): Restructure code. Volatile asms
6116 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6118 * function.h (no_debugging_symbols): New field.
6119 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
6120 Initialize no_debugging_symbols.
6121 (output_inline_function): Save and restore write_symbols and set from
6122 no_debugging_symbols.
6123 * toplev.c (rest_of_compilation): Call save_for_inline.
6124 * tree.h: Update comment.
6126 * stor-layout.c (place_field): Don't do anything if field or
6127 its type are ERROR_MARK.
6129 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
6131 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
6132 (read_include_file): Ensure inc->mmaped is initialized.
6134 2000-09-16 Richard Henderson <rth@cygnus.com>
6136 * cppiles.c (purge_cache): Use PTR not caddr_t.
6138 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
6140 * gcc.c: In description for %{<S}, say the option removed is -S.
6141 * invoke.texi (Spec Files): Ditto.
6143 2000-09-16 Andreas Jaeger <aj@suse.de>
6145 * configure.in: Always define _GNU_SOURCE to make interfaces
6146 visible that were hidden by only defining _GNU_SOURCE.
6147 * configure: Regenerated.
6149 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
6151 * cpplex.c (push_macro_context): Set an argument's level after
6152 calling parse_args. We could loop infinitely otherwise.
6154 2000-09-15 Tom Tromey <tromey@cygnus.com>
6156 * configure, config.in: Rebuilt.
6157 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
6159 2000-09-15 Greg McGary <greg@mcgary.org>
6161 * cppmacro.c (check_trad_stringification): Check token
6162 text pointers against limit before dereferencing.
6164 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
6166 * c-common.c (format_wanted_type): New structure.
6167 (check_format_types): New function.
6168 (check_format_info): Pass all checking of types of format
6169 arguments, including width and precision arguments, to this new
6172 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6174 * BUGS: Remove file.
6176 2000-09-15 Jakub Jelinek <jakub@redhat.com>
6178 * config/alpha/alpha.c (override_options): ev6 cache latencies
6179 from Richard Henderson. Don't allow -mmemory-latency=L0.
6181 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
6182 (TARGET_OPTIONS): Add tune=.
6183 (alpha_tune_string): Declare.
6184 * config/alpha/alpha.c (override_options): Add cpu_table.
6185 Use alpha_cpu_string first to set both alpha_cpu and target_flags
6186 and then alpha_tune_string to set alpha_cpu only.
6187 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
6188 * config/alpha/elf.h (ASM_FILE_START): Likewise.
6189 * config/alpha/osf.h (ASM_FILE_START): Likewise.
6190 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
6192 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
6194 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
6196 (ix86_comparison_operator, ix86_cc_mode): Declare
6197 * i386.h (CCGC, CCGCO): New modes.
6198 (SELECT_CC_MODE): Move offline to ....
6199 * i386.c (ix86_cc_mode): .... here; use new modes.
6200 (ix86_comparison_operator): New.
6201 (fcmov_comparison_operator): Ensure proper mode.
6202 (put_condition_mode): More sanity checking.
6203 (ix86_match_ccmode): Handle new modes.
6204 (ix86_expand_fp_compare): GEU requires CCmode.
6205 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
6207 * i386.md (cmp?i_ccz_1): Remove
6208 (cmp?i_ccno_1): Use ix86_match_ccmode.
6209 (cmp?i_minus_1): New.
6210 (cmpsi_1): New expander.
6211 (cmpqi_ext_1): Use match_ccmode
6212 (cmpqi_ext_3): New expander.
6213 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
6214 (cmpqi_ext_4): Use match_ccmode.
6215 (add?i_?): Use match_ccmode.
6217 (test?i_ccz_1): Remove
6219 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
6220 (testqi_ext_0): Use ix86_match_ccmode.
6221 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
6222 (xorqi_cc_ext_1): New expander.
6223 (shift patterns): Use CCGOCmode for all shifts except for sar.
6224 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
6225 (setcc_3, jcc_3, miv?icc_c): Remove.
6227 2000-09-15 Will Cohen <wcohen@redhat.com>
6229 * dwarf2out.c (add_const_value_attribute): Changed array into a
6230 xmalloced object, so it exists after function exit.
6231 (free_AT): Added case for dw_val_class_float to free allocated
6234 2000-09-15 Kazu Hirata <kazu@hxi.com>
6236 * config/i386/i386.md: Fix a comment typo.
6237 * gcc.c: Fix formatting.
6239 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6241 * optabs.c (emit_libcall_block): If target is a user variable,
6242 copy to a temporary first.
6243 * expr.c (convert_move): When generating a libcall, make a libcall
6245 * calls.c (emit_library_call_value_1): Don't create a libcall
6246 sequence here; our caller will in most cases do it.
6248 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
6250 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
6251 * sh.md (reload_outsf): Generate recognizable patterns for
6253 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
6254 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
6255 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
6256 truncdfsf2_i4): Change not to use explicit references to fpul.
6257 (floatsisf2_ie): Remove USE of fpscr.
6258 (floatsisf2): Change default expansion to match this.
6259 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
6262 2000-09-15 Richard Henderson <rth@cygnus.com>
6264 * expmed.c (store_bit_field): Consider naturally aligned
6265 memory for direct reference.
6267 2000-09-15 Richard Henderson <rth@cygnus.com>
6269 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
6270 AND addresses into alias set 0.
6271 (alpha_expand_unaligned_store): Likewise.
6272 (alpha_expand_unaligned_load_words): Likewise.
6273 (alpha_expand_unaligned_store_words): Likewise.
6275 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6277 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
6278 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
6280 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
6281 rsize of UNITS_PER_WORD.
6283 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
6285 * cpplex.c (ON_REST_ARG): Correct the test.
6286 (maybe_paste_with_next): Duplicate a token that fail pasting,
6287 and clear its PASTE_LEFT flag, so that nested pasting attempts
6290 2000-09-14 Richard Henderson <rth@cygnus.com>
6292 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
6293 * cse.c (rtx_cost): Likewise.
6294 * optabls.c (expand_binop): Likewise.
6295 (expand_twoval_binop, prepare_cmp_insn): Likewise.
6296 * regclass.c (copy_cost): Likewise.
6297 * reload1.c (reload_cse_move2add): Likewise.
6299 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
6301 * c-parse.in (reswords): Add _Complex.
6303 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6305 * gcc.1: Delete documentation for -undef preprocessor option.
6307 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
6309 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6310 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
6311 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6312 Remove undefine before config/elfos.h.
6313 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
6315 2000-09-14 Kazu Hirata <kazu@hxi.com>
6317 * invoke.texi (H8/300 Options): Add -ms2600.
6318 * config/h8300.c (h8300_init_once): Output an error when -ms2600
6319 is used without -ms.
6320 * config/h8300.h (TARGET_MAC): New.
6321 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
6322 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
6323 machine other than H8/S2600.
6324 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
6327 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
6329 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
6330 pseudos that refer to the original pseudos, not only to their
6331 equivalent memory locations.
6333 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6335 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
6336 when making new MEM.
6338 * Makefile.in (LN): Remove duplicate definition.
6340 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6342 From Joern Rennecke:
6343 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
6344 on an insn and function_invariant_p returns nonzero for the source,
6345 add a REG_EQUAL note.
6347 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
6349 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
6350 conflict with frame_pointer_rtx.
6352 2000-09-13 Kazu Hirata <kazu@hxi.com>
6354 * loop.c: Fix formatting.
6357 2000-09-13 Richard Henderson <rth@cygnus.com>
6359 * config/ia64/ia64.md (divsf3): New.
6360 (divsf3_internal_lat, divsf3_internal_thr): New.
6361 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
6362 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
6363 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
6364 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
6365 (nmadddf4_alts, nmadddf4_trunc): New.
6366 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
6367 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
6368 (multf3_truncsf_alts, multf3_truncdf_alts): New.
6369 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
6370 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
6371 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
6372 (nmaddtf4_truncdf_alts): New.
6373 (recip_approx): Don't predicate.
6375 2000-09-13 Richard Henderson <rth@cygnus.com>
6377 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
6379 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6381 * flags.h (flag_dump_rtl_in_asm): Declare.
6382 * toplev.c (flag_dump_rtl_in_asm): Define.
6383 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
6384 if -dP is specified.
6385 * rtl.h (print_rtx_head): Declare.
6386 * print-rtl.c (print_rtx_head): Define.
6387 (print_rtx): Print the string pointed to by print_rtx_head
6388 at beginning of each dump line.
6389 (print_rtl): Likewise.
6390 (print_rtl_single): Likewise.
6391 * final.c (final_scan_insn): Dump the insn in the assembly
6393 * gcc.1: Document -dP option.
6394 * invoke.texi (Debugging Options): Likewise.
6396 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6398 * md.texi (Machine Constraints): Document the 68HC11 constraints.
6399 * install.texi (Configurations): Document the 68HC11&68HC12 port.
6400 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
6402 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
6404 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
6405 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
6406 (*clrstrqi): Likewise.
6407 (xorhi3,xorsi3,absqi2): Likewise.
6408 (one_cmplhi2,one_cmplsi2): Likewise.
6409 (addsi3): Two stupid constraint alternatives removed.
6410 (extendhisi2): Use `movw' for enhanced avr cores.
6411 (zero_extendhisi2): Likewise.
6413 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
6415 * alias.c (find_base_term): Use frame_pointer_rtx
6416 when handling an ADDRESSOF.
6418 * cse.c (canon_hash): Handle USE of BLKmode memory.
6419 (cse_insn): Outgoing arguments for a libcall don't
6420 affect any recorded expressions.
6422 2000-09-12 Tom Tromey <tromey@cygnus.com>
6424 * configure, config.in: Rebuilt.
6425 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
6427 2000-09-12 Jakub Jelinek <jakub@redhat.com>
6429 * c-lex.c (lex_string): Use charwidth to compute bytemask.
6430 * expr.c (expand_expr): Don't optimize constant array references
6431 initialized with wide string constants.
6433 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6435 * loop.c (note_set_pseudo_multiple_uses): Correct.
6437 2000-09-12 Jim Wilson <wilson@cygnus.com>
6439 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
6440 else block, and X has side-effects, then fail.
6442 2000-09-12 Greg McGary <greg@mcgary.org>
6444 * config/mips/mips-protos.h
6445 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
6446 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
6447 (PREDICATE_CODES): Add "trap_cmp_op".
6448 * config/mips/mips.c
6449 (trap_cmp_op, mips_gen_conditional_trap): New functions.
6450 * config/mips/mips.md (trap, conditional_trap): New patterns.
6452 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6454 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
6457 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6459 * builtins.c (built_in_decls): New array.
6460 (expand_builtin_fputs): New function.
6461 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
6463 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
6465 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
6467 * tree.h (built_in_decls): New array.
6469 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
6471 * convex.md: Use "+" instead of "=" for outputs wrapped in a
6473 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
6475 2000-09-12 Kazu Hirata <kazu@hxi.com>
6477 * haifa-sched.c: Fix formatting.
6479 * genattrtab.c: Fix formatting.
6481 * unroll.c: Fix formatting.
6483 2000-09-12 Bruce Korb <bkorb@gnu.org>
6485 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
6486 remove obsolete code
6487 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
6488 * fixinc/fixincl.tpl: make non-exported arrays static scope
6489 * fixinc/fixincl.x: regenerate
6490 * fixinc/fixlib.h: Use PARAMS, not _P_
6491 * fixinc/fixtests.c: make a type for the test proc & use it
6492 * fixinc/server.h: Use PARAMS, not _P_
6494 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6496 * c-typeck.c (process_init_element): Avoid union init warnings on
6497 floating point zero. Don't crash on unions containing structs.
6499 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
6501 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
6502 general_movsrc_operand, and remove CONST_INT from
6503 general_movdst_operand.
6505 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6507 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
6508 if a reference to non-fixed hardreg is seen. Otherwise, count hard
6509 regs with a higher cost.
6510 (preferrable): Deal with cases where either cost or regcost is
6512 (cse_insn): Use MAX_COST rather than 10000. Always initialize
6514 (COSTS_N_INSNS): Move definition...
6516 (MAX_COST): New macro.
6517 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
6520 2000-09-11 Mark Mitchell <mark@codesourcery.com>
6522 * c-common.h (genrtl_clear_out_block): Remove.
6523 * c-semantics.c (genrtl_clear_out_block): Remove.
6524 (genrtl_while_stmt): Don't call it.
6525 (genrtl_for_stmt): Likewise.
6527 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6529 * cppfiles.c: Move all default-#defines to top of file.
6530 (open_include_file): Replace by lookup_include_file.
6531 (read_with_read, read_file): Merged into read_include_file.
6532 (stack_include_file, purge_cache): New functions.
6533 (close_cached_fd): Delete.
6534 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
6535 Cache the in-memory buffer, not the file descriptor.
6537 * cpphash.h (struct include_file): Add buffer, st, refcnt,
6539 (xcnew): New utility macro.
6540 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
6541 * cpplib.h (struct cpp_buffer): Remove mapped field.
6543 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6545 * cpplex.c (parse_string): Accept backslash space newline as a
6547 (lex_line): Likewise.
6548 (_cpp_get_token): Remove hard limit on macro nesting.
6550 2000-09-12 Philipp Thomas <pthomas@suse.de>
6552 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
6553 * configure: Rebuilt.
6555 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6557 * flow.c (split_block): Fix update of registers live at
6560 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6562 * i386.md (add?i_3, add?i_5): New.
6563 (add?i_4): Rename from add?i_3; Fix compare pattern.
6564 (sub?i_3, xor?i_3, ior?i_3): New.
6566 * genrecog.c (write_tree): Output code to clear insn_extract cache.
6567 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
6568 instead of extract_insn and extract_constrain_insn_cache instead of
6569 extract_insn and constrain_operands.
6570 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
6572 (extract_insn): Clear which_alternative.
6573 (constrain_operands): Set which_alternative to -1 when failed.
6574 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
6577 2000-09-11 Matthew Hiller <hiller@redhat.com>
6579 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
6580 on operand 0 to '+'.
6581 (movstricthi): Likewise.
6583 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6585 * loop.h (LOOP_IVS): New macro.
6586 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
6587 (struct loop_ivs): New.
6588 (struct loop_info): Add ivs field.
6589 (reg_iv_type, reg_iv_info): Delete prototype.
6590 (reg_biv_class, loop_iv_list): Likewise.
6591 * loop.c (record_biv, find_life_end): Pass loop argument.
6592 (reg_iv_type): Remove global array and use
6593 field in loop_regs structure within loop_ivs structure.
6594 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
6595 (first_increment_giv, last_increment_giv): Use entry in
6597 (record_initial): Pass ivs pointer.
6598 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
6600 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6602 * loop.h (LOOP_REGS): New macro.
6603 (struct loop_regs): New.
6604 (struct loop_info): Add regs field.
6605 * loop.c (set_in_loop): Remove global array and store
6606 in loop_regs structure as part of loop_info structure.
6607 (n_times_set, may_not_optimize): Likewise.
6608 (reg_single_usage, moved_once): Likewise.
6609 (count_one_set): Add regs argument.
6610 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
6611 (set_pseudo_multiple_uses): Pass regs pointer.
6613 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6615 * unroll.c (iteration_info): Subsume into loop_iterations.
6616 * loop.h (loop_info): New field iv.
6618 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6620 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
6621 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
6622 (flow_loops_update): New prototype.
6623 (flow_loops_find): Add flags to prototype.
6624 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
6625 * flow.c (flow_loop_pre_header_scan): New.
6626 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
6627 (flow_loop_free): Free pre-header root and trace and exit dominators.
6628 (flow_loops_find): New argument flags.
6629 (flow_loops_update): New function.
6630 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
6632 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6634 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
6635 * flow.c (split_block, update_bb_for_insn): New functions.
6637 2000-09-11 Richard Henderson <rth@cygnus.com>
6639 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
6641 2000-09-11 Richard Henderson <rth@cygnus.com>
6643 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
6644 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
6645 (ia64_override_options): Prevent optimizing division for both
6646 latency and throughput.
6647 (rtx_needs_barrier): Handle frcpa.
6648 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
6649 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
6650 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
6651 (TARGET_SWITCHES): Add -minline-divide-min-latency and
6652 -minline-divide-max-throughput.
6653 (PREDICATE_CODES): Update.
6654 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
6655 (zero_extendsidi2): Likewise. Fix typo in f case insn.
6656 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
6657 (extendsftf2): Likewise.
6658 (extenddftf2): Likewise.
6659 (fix_trunctfdi2_alts): New.
6660 (fixuns_trunctfdi2_alts): New.
6661 (madd*4): Rename from madd*3.
6662 (divsi3, modsi3, udivsi3, umodsi3): New.
6663 (divsi3_internal): New.
6664 (divdi3, moddi3, udivdi3, umoddi3): New.
6665 (divdi3_internal_lat, divdi3_internal_thr): New.
6666 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
6667 (recip_approx): New.
6669 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
6671 * print-rtl.c (debug_call_placeholder_verbose): New variable.
6672 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
6674 * integrate.c (copy_rtx_and_substitute): Don't share
6675 LEAF_REG_REMAPpable registers with the inlined function. Don't
6676 share the function value with calling sequences.
6678 2000-09-11 Jakub Jelinek <jakub@redhat.com>
6680 * c-decl.c (do_case): Fix a typo.
6682 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
6683 to a if the comparison is floating mode and not -ffast-math.
6684 * simplify-rtx.c (simplify_ternary_operation): Likewise.
6686 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6688 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
6689 gen_ic_invalidate_line.
6691 2000-09-11 Philip Blundell <pb@futuretv.com>
6693 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
6695 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
6697 * install.texi (LANGUAGES): Update to include new languages.
6700 2000-09-11 DJ Delorie <dj@redhat.com>
6702 * gcc.c (main): Don't warn about unused -B prefixes
6703 (unused_prefix_warnings): remove
6705 2000-09-11 Kazu Hirata <kazu@hxi.com>
6707 * final.c: Fix formatting.
6709 * integrate.c: Fix formatting.
6711 2000-09-11 Geoff Keating <geoffk@cygnus.com>
6713 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
6715 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
6717 * reload.c (regno_clobbered_p): Fix thinko in previous change.
6719 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6721 * gcc.1: Document 68hc11 specific options.
6723 2000-09-10 Geoff Keating <geoffk@cygnus.com>
6725 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
6726 (TARGET_LONG_DOUBLE_128): Define.
6727 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
6728 (LONG_DOUBLE_TYPE_SIZE): Redefine.
6729 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6730 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
6731 of __LONG_DOUBLE_128__.
6732 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
6734 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
6735 (CPP_SYSV_DEFAULT_SPEC): Define.
6736 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
6737 (INIT_TARGET_OPTABS): Define.
6739 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
6740 (RS6000_UITRUNC): Likewise.
6741 (INIT_TARGET_OPTABS): New macro.
6742 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
6743 (trunc_defined): Delete.
6744 (output_prolog): Don't output .extern definitions for fp->int
6745 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
6746 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
6747 (trunc_defined): Delete.
6748 (RS6000_ITRUNC): Moved to aix.h.
6749 (RS6000_UITRUNC): Likewise.
6750 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
6751 only emit a libcall.
6752 (fixuns_truncdfsi2): Delete.
6753 (trunc_call): Delete.
6754 (trunc_call_rtl): Delete.
6756 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6758 * varasm.c (make_decl_rtl): Restore leading star on
6759 DECL_ASSEMBLER_NAME set for decls with an asmspec.
6761 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6763 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
6764 won't give a spurious error for '#pragma pack()'. Simplify
6765 control flow for readability. 'reset' action is not necessary.
6767 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6769 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
6770 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
6771 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
6772 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
6774 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
6775 profile.c, sdbout.c, tradcif.y, tree.c:
6776 Include defaults.h if not already included.
6777 Don't define the above macros.
6779 * Makefile.in: Update dependencies.
6781 2000-09-10 Mark Mitchell <mark@codesourcery.com>
6783 * c-common.h (add_stmt): Change prototype.
6784 (RECHAIN_STMTS): New macro.
6785 (CASE_LABEL_DECL): Likewise.
6786 (genrtl_case_label): Change prototype.
6787 (c_expand_start_case): Remove prototype.
6788 (build_case_label): Change prototype.
6789 (decl_constant_value): Declare.
6790 * c-common.c (check_case_value): Handle C++'s extensions to C
6792 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
6794 * c-parse.in (stmt): Adjust handling of return statements and case
6796 * c-semantics.c (add_stmt): Return the new statement.
6797 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
6798 returned expression. Directly generate RTL, rather than calling
6800 (genrtl_switch_stmt): Don't call c_expand_start_case.
6801 (build_case_label): Take the LABEL_DECL as input, too.
6802 (genrtl_case_label): Just call add_case_node.
6803 (expand_stmt): Adjust calls to genrtl_return_stmt and
6805 * c-tree.h (c_expand_start_case): Declare.
6806 * c-typeck.c (decl_constant_value): Give it external linkage.
6807 (c_expand_return): Don't call expand_return or expand_null_return;
6808 use genrtl_return_stmt instead.
6809 * stmt.c (struct nesting): Remove num_ranges field.
6810 (add_case_node): Give it external linkage.
6811 (expand_start_case): Don't set num_ranges.
6812 (expand_start_case_dummy): Don't clear it.
6813 (pushcase): Rely on add_case_node to handle `default' labels.
6814 (add_case_node): Handle `default' labels.
6815 * tree.c (tree_int_cst_compare): New function.
6816 * tree.h (tree_int_cst_compare): Declare.
6817 (add_case_node): Likewise.
6819 2000-09-10 Richard Henderson <rth@cygnus.com>
6821 * c-parse.in: Revert last change.
6822 (init_reswords): Do not enter disabled keywords into the ridpointers
6823 table, modulo objc weirdness.
6824 (_yylex): Return the canonical spelling for a keyword.
6826 2000-09-10 Philip Blundell <philb@gnu.org>
6828 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
6829 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
6831 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
6833 * alias.c (find_base_term): Handle ADDRESSOF.
6834 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
6836 2000-09-10 Denis Chertykov <denisc@overta.ru>
6838 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
6839 outputting templates with many lines.
6841 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6843 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
6844 to decide whether 64-bit support must be generated.
6846 2000-09-10 Richard Henderson <rth@cygnus.com>
6848 * c-parse.in (asm patterns): Fix volatile check.
6850 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6852 * cppmacro.c (check_trad_stringification): New function.
6853 (save_expansion): If -Wtraditional, warn about stringification of
6856 2000-09-11 Michael Hayes <mhayes@cygnus.com>
6858 * loop.h (struct loop_mem_info): Move from loop.c
6859 (struct loop_info): Add fields store_mems, mems, mems_idx,
6860 mems_allocated, unknown_address_altered,
6861 unknown_constant_address_altered, num_mem_sets, and
6862 first_loop_store_insn.
6864 * loop.c (loop_store_mems): Replace with field in loop_info struct.
6865 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
6866 (unknown_address_altered, unknown_constant_address_altered): Likewise.
6867 (num_mem_sets): Likewise.
6868 (replace_loop_mems, replace_loop_regs): New.
6869 (struct loop_replace_args): New.
6870 (load_mems): Use replace_loop_mems.
6871 (try_copy_prop): Use replace_loop_regs.
6872 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
6874 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6876 * configure.in: Recognize m6811-elf and m6812-elf.
6877 * configure: Regenerate.
6879 2000-09-09 Geoff Keating <geoffk@cygnus.com>
6881 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
6884 2000-09-10 Michael Hayes <mhayes@cygnus.com>
6886 * loop.c (struct movables): New.
6887 (num_movables): Move into struct movables.
6888 (the_movables): Change type to struct movables.
6889 (ignore_some_movables): Change struct movable arg to struct movables.
6890 (force_movables, combine_movables, regs_match_p): Likewise.
6891 (rtx_equal_for_loop_p, move_movables): Likewise.
6892 (scan_loop): Change movables to be of type struct movables.
6893 Replace last_movable with field in movables structure.
6895 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
6897 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
6898 (init_pragma): Avoid warning if pfile happens to be unused.
6899 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
6900 define init_pragma to nothing. Always prototype
6901 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
6903 * c-lex.c (process_directive): Always call dispatch_pragma.
6904 Initialize entering_c_header to 0.
6906 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6908 * config/m68hc11/m68hc11.md: New file, machine description for
6910 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
6911 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
6912 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
6913 * config/m68hc11/m68hc11-protos.h: New file.
6914 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
6915 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
6916 * config/m68hc11/xm-m68hc11.h: New file, target defs.
6917 * config/m68hc11/larith.asm: New file, libgcc routines.
6919 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6921 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
6922 (FPBIT_FUNCS): Add _usi_to_sf.
6923 * config/fp-bit.c (usi_to_float): New function.
6924 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
6925 (usi_to_float): Add appropriate #define.
6927 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6929 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
6931 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
6932 * i386.md (attr "type"): Add sse and mmx types.
6933 (attr "memory"): Handle them without a crash.
6934 (movsi_1, movdi_2): Allow MMX regs.
6935 (movdi splits): Don't split moves involving MMX regs.
6936 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
6937 (movv4sf_internal, movv4si_internal, movv8qi_internal,
6938 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
6939 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
6940 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
6941 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
6942 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
6943 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
6944 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
6945 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
6946 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
6947 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6948 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6949 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
6950 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
6951 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6952 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6953 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
6954 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
6955 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
6956 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
6957 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
6958 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6959 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6960 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
6961 mmx_clrdi): New patterns.
6963 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
6965 * arm.c: Don't include tm.h directly.
6967 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
6969 * recog.c (validate_replace_rtx_1): Fix confusion about equality
6970 testing; simplify subregs of constants and nested subregs.
6972 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
6974 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
6976 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6978 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
6980 * rtl.texi (description of USE): Add note about possible pitfalls
6982 From Richard Henderson:
6983 * reload1.c (choose_reload_regs): Compute need_mode properly.
6985 2000-09-07 Richard Henderson <rth@cygnus.com>
6987 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6988 (__modsi3, __umodsi3): Likewise.
6989 (__udivsi3): Likewise. Normalize the TFmode values.
6991 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6993 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6995 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6998 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7000 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
7001 (cmpeqdi_t): Add output pattern.
7002 (cmpeqdi_t+1): Don't split when not optimizing.
7003 Restore proper splitting operation.
7005 2000-09-07 Richard Henderson <rth@cygnus.com>
7007 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
7008 do not call dispatch_pragma.
7010 2000-09-07 Jim Wilson <wilson@cygnus.com>
7012 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
7013 to CLASS_CANNOT_CHANGE_MODE.
7014 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
7015 mode classes are different.
7017 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
7019 * cpplib.h (struct cpp_options): Add user_label_prefix member,
7020 left out of commit which removed cppulp.c.
7022 2000-09-07 Richard Henderson <rth@cygnus.com>
7024 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
7025 after switch for CASE_DROPS_THROUGH.
7027 2000-09-07 Richard Henderson <rth@cygnus.com>
7029 * loop.c (strength_reduce): Call check_ext_dependant_givs.
7030 Properly extend the biv initial value for the giv.
7031 (record_biv): Zero ext_dependant.
7032 (record_giv): New argument ext_val. Update all callers.
7033 (general_induction_var): Likewise.
7034 (consec_sets_giv): Likewise.
7035 (simplify_giv_expr): Likewise. Fill in ext_val if we find
7036 a sign-extend, zero-extend, or truncate.
7037 (combine_givs_p): Make sure modes are compatible.
7038 (check_ext_dependant_givs): New.
7039 (extend_value_for_giv): New.
7040 * loop.h (struct induction): Add ext_dependant.
7041 * unroll.c (iteration_info): Extend the biv initial value for the giv.
7042 (find_splittable_givs): Likewise.
7043 (final_giv_value): Likewise.
7045 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
7047 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
7048 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
7049 definitions from cpplib.h.
7050 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
7052 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
7053 documentation for REGISTER_TARGET_PRAGMAS.
7055 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
7056 default-pragma callback to implement -Wunknown-pragmas if
7058 * c-parse.in: Move all includes to top of file.
7059 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
7061 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
7063 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
7065 * arm.h, arm-protos.h, arm.c,
7066 c4x.h, c4x-protos.h, c4x.c,
7067 h8300.h, h8300-protos.h, h8300.c,
7068 i370.h, i370-protos.h, i370.c,
7069 i960.h, i960-protos.h, i960.c,
7070 sh.h, sh-protos.h, sh.c,
7071 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
7072 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
7074 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
7075 multiple include guard.
7076 * i370.md (untyped_call): Use GEN_CALL.
7077 (umodsi3): Remove unused variable.
7078 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
7079 * v850.c (output_move_single, output_move_double): Constify
7081 (print_operand): Constify a char *.
7082 * v850.h (struct small_memory_info): Constify name member.
7084 2000-09-07 Kazu Hirata <kazu@hxi.com>
7086 * config/h8300.h: Fix comment typos.
7087 * config/h8300/h8300.md: Likewise.
7088 * config/h8300/lib1funcs.asm: Likewise.
7090 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
7092 * Makefile.in: Remove references to cppulp.{c,o}.
7093 * cppinit.c (initialize_builtins, cpp_start_read,
7094 cpp_handle_option): Update to use cpp_options structure.
7097 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
7099 * c-common.c (time_char_table): Allow %#b and %#h.
7101 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7103 * reorg.c (find_end_label): If the basic block reorder pass moves the
7104 return insn to some other place try to locate it again and put our
7105 end_of_function_label there.
7106 * reorg.c (relax_delay_slots): Check if find_end_label created a
7107 new label that invalidates the current optimazation.
7109 2000-09-07 Catherine Moore <clm@redhat.com>
7111 * unroll.c (unroll_loop): Check for unconditional jumps
7112 to loop continuation. Delete if n_iterations is 1.
7113 (ujump_to_loop_cont): New routine.
7115 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
7117 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
7119 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
7120 to handle multiword modes correctly. All callers and the declaration
7123 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7125 * c-common.h (prep_stmt): Declare.
7126 (lang_expand_stmt): Likewise.
7127 * c-decl.c (lang_expand_stmt): Remove.
7128 * c-semantics.c (lang_expand_stmt): Define.
7129 (prep_stmt): New function.
7130 (expand_stmt): Handle common statement types here.
7132 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
7134 * configure.in (sh-*-linux*): Added.
7135 * configure: Rebuilt.
7136 * config/sh/t-linux: New file.
7137 * config/sh/sh.h (USERMODE_BIT): Define.
7138 (TARGET_USERMODE): Likewise.
7139 (TARGET_SWITCHES): New switches for the bits above.
7140 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
7141 * config/sh/linux.h: New file.
7142 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
7143 underscore on linux.
7144 (L_sdivsi3, L_udivsi3): Define for linux.
7145 (L_ic_invalidate): Define.
7146 * invoke.texi (SH Options): Document -musermode.
7148 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
7150 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
7151 CSE unless generating PIC.
7153 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
7156 2000-09-06 H.J. Lu (hjl@gnu.org)
7158 * Makefile.in (clean_s1): Depend on stage_b.
7159 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
7160 stage2. They are used for "make compare".
7162 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7164 Move statement-tree facilities from C++ to C front-end.
7165 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
7166 (void_zero_node): New macro.
7167 (struct stmt_tree_s): New type.
7168 (stmt_tree): New typedef.
7169 (struct language_function): New type.
7170 (last_tree): New macro.
7171 (last_expr_type): Likewise.
7172 (walk_tree_fn): New typedef.
7173 (current_stmt_tree): New function.
7174 (begin_stmt_tree): Likewise.
7175 (add_stmt): Likewise.
7176 (finish_stmt_tree): Likewise.
7177 (statement_code_p): Likewise.
7178 (lang_statement_code_p): New variable.
7179 (walk_stmt_tree): New function.
7180 (STMT_IS_FULL_EXPR_P): New macro.
7181 * c-common.c (lang_statement_code_p): New variable.
7182 (c_common_nodes_and_builtins): Initialize void_zero_node.
7183 (statement_code_p): New function.
7184 (walk_stmt_tree): Likewise.
7185 * c-decl.c (language_function): Rename to ...
7186 (c_language_function): ... this. Include language_function.
7187 (push_c_function_context): Adjust accordingly.
7188 (pop_c_function_context): Likewise.
7189 (mark_c_function_context): Likewise.
7190 (current_stmt_tree): Define.
7191 * c-semantics.c (begin_stmt_tree): New function.
7192 (add_stmt): Likewise.
7193 (prune_unused_decls): Likewise.
7194 (finish_stmt_tree): Likewise.
7196 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7198 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
7200 2000-09-06 Kazu Hirata <kazu@hxi.com>
7202 * calls.c: Fix formatting.
7204 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
7206 * config/i386/i386.h (ADDRESS_COST): Fix typo.
7208 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7210 Integrated preprocessor.
7212 * Makefile.in: Remove all references to c-parse.gperf,
7213 c-gperf.h, and c-parse.h. Remove -d from yacc command line
7214 generating c-parse.c. Update dependencies.
7215 * c-parse.gperf, c-gperf.h: Delete.
7217 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
7218 yy_lim, or yy_get_token. Don't define get_directive_line if
7220 * c-common.h: Add multiple include guard. Define RID values
7221 for every keyword in C, C++, and Objective C. Put all the
7223 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
7224 * c-decl.c (c_decode_option): Handle -lang-objc here.
7225 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
7226 (grokdeclarator): Adjust for new RID scheme.
7227 (extract_interface_info): New stub.
7228 * c-lang.c: Don't declare yy_cur or parse_options.
7229 (lang_init_options): Call cpp_init. Don't call
7231 (lang_init): Don't call check_newline if USE_CPPLIB.
7233 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
7234 Elide lots of unnecessary code if USE_CPPLIB. Delete code
7235 rendered unnecessary by new architecture. Move routines not
7236 shared with C++ to c-parse.in. Maintain a local idea of the
7237 line number. Handle C++ as well as C.
7238 [USE_CPPLIB]: Declare and register callbacks for #ident and
7239 for entering/leaving files.
7240 (init_c_lex, c_lex): Are now the entry points to this file.
7241 (check_newline): Break out directive handling to
7243 (read_ucs, is_extended_char, utf8_extend_token): Moved here
7245 (readescape, parse_float): Overhaul.
7246 (lex_number, lex_string, lex_charconst): Break out of c_lex
7248 (get_fileinfo, update_header_times, dump_one_header,
7249 dump_time_statistics): New and/or moved here from C++.
7250 Support per-file data needed by C++ and per-header timing
7251 statistics (C++ only, at the moment).
7252 * c-lex.h: Update prototypes. Add multiple include guard.
7253 * c-tree.h (struct lang_identifier): Add rid_code field.
7254 (C_IS_RESERVED_WORD, C_RID_CODE): New.
7256 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
7257 reinit_parse_for_function and/or position_after_white_space.
7258 (save_filename, save_lineno): Look ahead before saving.
7259 (label -> identifier ':'): Save file and line before shifting ':'.
7260 (reservedwords): No need to call get_identifier.
7261 (init_parse, finish_parse, yyerror, yylex, yyprint,
7262 make_pointer_declarator): Are now here for C/ObjC.
7263 (rid_to_yy): Conversion table from RID constants to Yacc codes.
7265 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
7266 #pragma registry. Provide dummy implementation of that
7267 interface if !USE_CPPLIB.
7268 * c-pragma.h: Update to match.
7270 * flags.h: Add multiple include guard.
7271 (flag_detailed_statistics): Moved here from C++.
7272 * toplev.c: Define flag_detailed_statistics.
7274 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
7276 * timevar.def (TV_CPP, TV_LEX): New.
7277 * timevar.h: Add multiple include guard.
7279 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
7281 * objc/objc-act.c: Don't mention yy_cur or parse_options.
7282 Initialize cpplib properly. Force lineno to 0 after first
7283 call to check_newline. Don't handle -lang-objc here.
7284 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
7286 2000-09-06 David Edelsohn <edelsohn@gnu.org>
7288 * rs6000.md: Correct function unit definitions for cr_logical and
7290 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
7291 and use portable method for >=0 and floating point >=. Remove
7292 associated matchers.
7294 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7296 * extend.texi: Mark named return value extension as deprecated.
7298 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7300 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
7303 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
7305 * toplev.c (display_help): Fix thinko in documentation.
7307 * diagnostic.h (output_buffer::indent_skip): New fields.
7308 (output_indentation): New macro.
7310 * diagnostic.c (output_indent): New function.
7311 (output_set_prefix, clear_diagnostic_info): Use.
7312 (output_emit_prefix): Predict future indentation.
7314 2000-09-06 DJ Delorie <dj@redhat.com>
7316 * Makefile.in (stage_*): add more dependencies to ensure parallel
7317 builds build correctly
7319 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
7321 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
7322 not bootstrap-lean_f.
7324 2000-09-06 Andreas Schwab <schwab@suse.de>
7326 * mklibgcc.in: Emit rule for libgcc-stage-start.
7327 * Makefile.in (stage1-start, stage2-start, stage3-start,
7328 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
7330 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
7332 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
7333 (update_equiv_regs): Likewise, except for the mn10200 kludge.
7334 (combine_regs): Likewise.
7336 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
7337 * cse.c: Include "basic-block.h".
7338 (struct table_elt): New field REGCOST.
7339 (CHEAP_REG): Delete macro.
7340 (COST): Return 0 for REGs.
7341 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
7342 (notreg_cost): Return 0 for appropriate SUBREGs.
7343 (COSTS_N_INSNS): Return N * 2.
7344 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
7346 (CHEAPER): Use new function preferrable.
7347 (insert): Initialize REGCOST member.
7348 (find_best_addr): Use approx_reg_cost for estimation of register
7350 (cse_insn): Likewise.
7351 * loop.c (iv_add_mult_cost): New function.
7352 (add_cost, shift_cost, mult_cost): Delete variables.
7353 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
7354 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
7355 Make code that detects autoinc opportunities slightly less optimistic.
7356 (simplify_giv_expr): If expression contains other reg that is also a
7357 giv, only increment benefit if this is the only use of that reg.
7358 (consec_sets_giv): Take that change into account.
7359 (combine_givs): Slightly more verbose output.
7361 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
7362 not the cost of an equivalent shift.
7363 * sh-protos.h (addsubcosts): Declare.
7364 * sh.c (addsubcosts): New function.
7365 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
7366 (RTX_COSTS): Tweak. Use addsubcosts.
7367 (ADDRESS_COST): Return higher cost for reg+reg addressing.
7369 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7371 * config/rs6000/rs6000.c (validate_condition_mode): New function.
7372 (branch_comparison_operator): Call validate_condition_mode to
7373 abort rather than returning 0.
7374 (branch_positive_comparison_operator): New function.
7375 (scc_comparison_operator): Call validate_condition_mode to abort
7376 rather than returning 0.
7377 (ccr_bit): Call validate_condition_mode. Update for
7379 (print_operand): Delete %C modifier. Update %E case
7380 to use EQ bit not SO bit.
7381 (rs6000_reverse_condition): New function.
7382 (rs6000_generate_compare): New function.
7383 (rs6000_emit_sCOND): New function.
7384 (rs6000_emit_cbranch): New function.
7385 (output_cbranch): The length of a long branch insn is
7386 now only 8 bytes. Add validate_condition_mode. Use
7387 rs6000_reverse_condition. Remove cror generation.
7389 * config/rs6000/rs6000.h: Update comments.
7390 (PREDICATE_CODES): Add new predicate. Update codes used
7391 by branch_comparison_operator and scc_comparison_operator.
7392 * config/rs6000/rs6000-protos.h: Add prototypes for
7393 new external functions.
7394 * config/rs6000/rs6000.md: Add new scheduling parameters
7395 for cr_logical instructions. Change length of branch
7397 (bCOND patterns): Call rs6000_emit_cbranch.
7398 (sCOND patterns): Call rs6000_emit_sCOND.
7399 (branch patterns): Change lengths to 4.
7400 (cr logical patterns): New.
7402 2000-09-06 Richard Henderson <rth@cygnus.com>
7404 * config/i386/i386.md (call_pop): Fix test for setting
7405 current_function_uses_pic_offset_table.
7406 (call, call_value_pop, call_value): Likewise.
7408 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7410 * timevar.c (timevar_add): Delete.
7411 (timevar_get): Also count time since the selected timer was
7412 last updated. Do not examine the timevar stack if the
7413 selected timer is standalone.
7415 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7417 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
7419 2000-09-05 Jason Merrill <jason@redhat.com>
7421 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
7422 for 'extern' arrays.
7424 2000-09-05 Richard Henderson <rth@cygnus.com>
7426 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
7427 Eliminate final copy from non-trapping case.
7428 (__divdf3, __divsf3): Likewise.
7430 2000-09-05 Richard Henderson <rth@cygnus.com>
7432 * config/ia64/ia64.md (mulhi3): Fix typo last change.
7433 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
7435 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
7437 * Makefile.in: Restructure bootstrap stages to allow clean
7438 restart after failure.
7440 2000-09-05 Richard Henderson <rth@cygnus.com>
7442 * config/ia64.md (movsi and movdi patterns): Allow moves from
7443 8-bit constants to AR registers.
7445 2000-09-05 Richard Henderson <rth@cygnus.com>
7447 * config/ia64/ia64.md (mulhi3): New.
7449 2000-09-05 Richard Henderson <rth@cygnus.com>
7451 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
7452 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
7453 Optimization Guide, minimum latency alternative.
7454 (__moddi3, __udivdi3, __umoddi3): Likewise.
7455 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
7457 2000-09-05 Bruce Korb <bkorb@gnu.org>
7459 * fixinc/fixincl.c (load_file): always read header files
7460 with sizes that are a multiple of the page size.
7461 & use libiberty's getpagesize for determining that.
7463 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
7465 * gcse.c (hash_string_1): Add prototype.
7466 * cse.c (canon_hash_string): Likewise.
7468 2000-09-04 Craig Newell <CraigN@ieee.org>
7470 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
7472 2000-09-04 Andreas Schwab <schwab@suse.de>
7474 * Makefile.in (STAGESTUFF): Remove libgcc.
7475 (stage1-start, stage2-start, stage3-start): Copy the contents of
7476 the libgcc directory explicitly.
7477 (mostlyclean): Clean libgcc.
7479 2000-09-04 Andrew Haley <aph@redhat.com>
7481 * dwarf2out.c: (stack_adjust_offset): New prototype.
7483 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
7485 * combine.c (make_extraction): Fix rtx_cost comparison to
7488 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
7490 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
7491 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
7492 Add '*' to insn pattern name.
7494 2000-09-04 Jakub Jelinek <jakub@redhat.com>
7496 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
7497 use posn - 1 to index into tokens array.
7498 (maybe_paste_with_next): Adjust caller.
7500 2000-09-03 Geoff Keating <geoffk@cygnus.com>
7502 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
7504 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
7505 (REGNO_REG_CLASS): Use symbolic register
7508 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
7510 * arm.c (final_prescan_insn): If the form of a jump insn isn't
7511 recognized, don't try to conditionally execute it.
7513 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
7515 * config/avr/avr.md ("*tablejump_lib"): New pattern.
7516 (call_value_insn): Right length claculation.
7517 (call_insn): Likewise.
7519 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
7521 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
7522 gas_output_limited_string, gas_output_ascii, output_movqi,
7523 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
7524 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
7525 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
7526 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
7527 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
7528 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
7529 Add "const" as needed to remove warnings.
7531 * config/avr/avr.c (avr_override_options, avr_init_once,
7532 function_prologue, function_epilogue, frame_pointer_required_p,
7533 class_likely_spilled_p, order_regs_for_local_alloc,
7534 avr_address_cost, avr_ret_register): Use K&R style arguments.
7535 (initial_elimination_offset, gas_output_limited_string):
7536 Remove ATTRIBUTE_UNUSED from the used arguments.
7537 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
7538 Use local variables src, dest, base to access operands[].
7539 Rename reg_dest to reg_src if that's what it is.
7540 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
7541 constants to LD_REGS if reg_was_0.
7542 (output_reload_insisf): Change arg 3 to insn length and set it.
7543 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
7544 access to 16-bit I/O register pairs.
7545 (avr_address_cost): Lower cost for the above case.
7546 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
7547 may be clobbered, also for LD_REGS.
7548 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
7551 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
7553 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
7554 macro to test_hard_reg_class function.
7555 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
7556 for loading immediate constants to LD_REGS.
7557 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
7560 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
7562 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
7563 * config/avr/libgcc.S: Lost part of the previous patch.
7565 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7567 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
7568 object before calling pthread_mutex_init.
7570 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
7572 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
7573 config/sh/crtn.asm: New files.
7574 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
7575 (crt1.o, crti.o, crtn.o): New targets.
7576 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
7578 * configure: Rebuilt.
7579 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7580 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
7581 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7582 Undefine for config/elfos.h to redefine.
7583 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
7585 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7587 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
7588 legitimize_pic_address, output_pic_addr_const): Declare.
7589 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
7590 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
7591 (TARGET_SWITCHES): New switch -mprefergot.
7592 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
7593 (PIC_OFFSET_TABLE_REGNUM): Define.
7594 (GOT_SYMBOL_TABLE): Likewise.
7595 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
7596 (ENCODE_SECTION_INFO): Define.
7597 (FINALIZE_PIC): New macros.
7598 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
7599 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
7600 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
7601 (prepare_move_operands): Call emit_pic_move or
7602 emit_pic_const_move if appropriate.
7603 (output_far_jump): For PIC, use braf and output long offset.
7604 (machine_dependent_reorg):
7605 (sh_expand_prologue): Save and initialize the PIC register.
7606 (sh_expand_epilogue): Restore it.
7607 (initial_elimination_offset): Account for it.
7608 (nonpic_symbol_mentioned_p): New function.
7609 (legitimize_pic_address): Likewise.
7610 (output_pic_addr_const): Likewise.
7611 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
7612 (call, call_value): Use them.
7613 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
7614 symPLT_label2reg): New expands.
7615 * invoke.texi (SH Options): Document -mprefergot.
7617 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
7619 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
7620 * gcse.c (hash_string_1): New function.
7621 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
7622 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
7623 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
7624 (canon_hash_string): New function.
7625 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
7626 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
7627 (fold_rtx): Use ASM_OPERANDS accessor macros.
7628 * emit-rtl.c (copy_insn_1): Likewise.
7629 * integrate.c (copy_rtx_and_substitute): Likewise.
7630 * stmt.c (expand_asm_operands): Likewise. Give an
7631 ASM_OPERANDS rtx the mode of the output reg being set from it.
7633 2000-09-01 Fred Fish <fnf@be.com>
7635 * fix-header.c (write_rbrac): Add putc and getc to list of
7636 functions to protect against prior definition as a macro.
7638 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
7640 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
7641 (c_size_type_node): Define.
7642 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
7643 * c-common.c (enum format_lengths, enum format_std_version,
7644 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
7645 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
7646 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
7647 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
7648 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
7649 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
7650 format_types): Define.
7651 (format_char_info, print_char_table, scan_char_table,
7652 time_char_table): Rearrange for new organization of information
7653 about format length modifiers and standard versions.
7654 (T_ST): Redefine to use c_size_type_node.
7655 (check_format_info): Obtain information about length modifiers and
7656 standard versions from tables. Adjust warning message wordings.
7657 Use the name from the user's program for `ll' and `hh' length
7658 modifiers in warning messages. Use more informative names for
7659 wanted types where available (for wchar_t, wint_t, size_t, signed
7660 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
7662 2000-09-01 Jim Wilson <wilson@cygnus.com>
7664 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
7665 * combine.c (distribute_notes): Handle REG_NORETURN.
7666 * rtl.c (reg_note_name): Add REG_NORETURN.
7667 * rtl.h (enum reg_note): Likewise.
7669 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
7671 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
7672 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
7673 (emit_predicate_relation_info): Handle conditional calls with
7675 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
7676 instead of ia64_file_start.
7677 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
7678 * config/ia64/ia64.md (safe_across_calls_all,
7679 save_across_calls_normal): New patterns.
7681 * loop.c (check_final_value): Check for biv use before checking for
7682 giv use. Check for both biv and giv uses. Always set last_giv_use
7683 if there is a giv use.
7685 2000-09-01 Richard Henderson <rth@cygnus.com>
7687 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
7688 (madddi3): Likewise.
7691 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7693 * expr.c (clear_storage): Don't use emit_move_insn unless
7694 either BLKmode or proper size.
7695 (store_constructor): Don't call clear_storage if REG of wrong size.
7697 * flow.c (init_propagate_block_info): Don't mark frame dead at end
7698 of function if returns wiht stack pointer depressed.
7700 2000-09-01 Andrew Haley <aph@redhat.com>
7702 * dwarf2out.c (stack_adjust_offset): New function.
7703 (dwarf2out_stack_adjust): Break out stack adjust logic into
7704 new stack_adjust_offset function. Look inside parallels and
7705 sequences for stack adjustments.
7707 2000-08-31 Jeff Law <law@cygnus.com>
7709 * arm.md: Use no_new_pseudos to determine when it is safe
7710 to create new pseudo registers.
7712 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
7713 when we can safely allocate new registers.
7715 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
7717 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
7718 so that CONCATs are not generated for ASMs.
7719 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
7720 not generating_concat_p.
7721 * function.c (pop_function_context_from): Reset
7722 generating_concat_p.
7723 (prepare_function_start): Likewise.
7724 * rtl.c (generating_concat_p): Define.
7725 * rtl.h (generating_concat_p): Declare.
7726 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
7728 2000-08-22 Philipp Thomas <pthomas@suse.de>
7729 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
7731 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
7734 2000-08-30 Greg McGary <greg@mcgary.org>
7736 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
7737 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
7738 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
7740 2000-08-30 Greg McGary <greg@mcgary.org>
7742 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
7743 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
7744 (TREE_INT_CST): New macro.
7745 * varasm.c (const_hash, compare_constant_1, record_constant_1):
7746 Use new macro TREE_INT_CST.
7748 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
7750 * contrib.texi: Add self.
7752 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
7754 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
7755 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
7758 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7760 * fixinc/gnu-regex.c: Don't define `const'.
7762 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7764 * expr.c (store_constructor): Allow variable bounds of array type.
7765 (expand_expr): Don't blow up if type is ERROR_MARK.
7766 * varasm.c (output_constructor): Don't access lower bound of array
7767 type unless need it if index is supplied (so it can be a variable
7768 if no index is supplied).
7769 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
7770 Other minor cleanups.
7772 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7774 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
7775 for compilations in stage 1 and subsequent stages, respectively.
7776 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
7777 * configure: Rebuilt.
7778 * x-vax, x-vax-gcc: Deleted.
7780 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7782 * c-common.c (declare_function_name): Use func_id_node,
7783 function_id_node, and pretty_function_id_node. Do not make
7784 __func__ visible at file scope.
7785 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
7786 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
7787 (function_id_node, pretty_function_id_node, func_id_node): New
7789 * c-decl.c (init_decl_processing): Initialize function_id_node,
7790 pretty_function_id_node, and func_id_node.
7791 (c_make_fname_decl): Correct comment.
7793 * tree.h (struct tree_identifier): Constify pointer member.
7795 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
7796 * c-pragma.h (struct weak_syms): Constify name and value members.
7797 (add_weak): Constify arguments.
7799 * calls.c (special_function_p): Constify a char *.
7800 (expand_call): Remove variable which is initialized and then
7802 * dependence.c (struct def_use, struct induction, struct subscript):
7803 Constify 'variable' member.
7804 (get_low_bound, have_induction_variable): Constify char * argument.
7805 (find_induction_variable): Add braces to avoid dangling else.
7806 (classify_dependence): Constify char * arrays.
7807 * profile.c (output_func_start_profiler): Constify a char *.
7808 * stor-layout.c (finalize_record_size): Constify a char *.
7809 * tree.c (is_attribute_p): Constify a char *.
7810 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
7812 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
7813 for comprehensibility. Do not call get_identifier if we did
7814 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
7815 create temporary string constants, not ggc_alloc_string. No
7816 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
7817 char * to hold IDENTIFIER_POINTERs.
7819 2000-08-29 Richard Henderson <rth@cygnus.com>
7821 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
7824 2000-08-29 Richard Henderson <rth@cygnus.com>
7826 * reload.c (push_secondary_reload): Allow class == reload_class
7827 if we're using a reload_in/out pattern.
7829 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
7830 the half that does not conflict with the reload register.
7831 (reload_outti): Likewise.
7833 2000-08-29 Kazu Hirata <kazu@hxi.com>
7835 * reload.c: Fix formatting.
7837 * stmt.c: Fix formatting.
7839 * gcc.c: Fix formatting.
7841 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7843 * flags.h (time_report, mem_report): New global flags.
7844 * toplev.c: Define time_report and mem_report.
7845 (f_options): Add -ftime-report and -fmem-report.
7846 (compile_file): Turn on time_report if quiet_flag is off.
7847 Call ggc_print_statistics at very end if mem_report is on.
7848 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
7850 * ggc-common.c (ggc_print_statistics): Rename to
7851 ggc_print_common_statistics; all callers changed. Scale
7852 quantities above 10K to kilobytes and above 10M to megabytes.
7853 * ggc-page.c (ggc_page_print_statistics): Rename to
7854 ggc_print_statistics. Report memory consumed by internal data
7855 structures for each allocation bucket. Scale quantities above
7856 10K to kilobytes and above 10M to megabytes.
7857 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
7858 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
7859 Define tally_leaves always.
7860 (ggc_print_statistics): New function.
7861 * ggc.h: Adjust for renamed functions.
7863 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
7865 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
7866 output_movsisf instead of which_alternative.
7868 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
7870 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
7872 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
7873 (avr_progmem_p): New prototype.
7874 (output_movsisf): Prototype declaration changed.
7875 (output_movqi): New prototype.
7876 (output_movhi): New prototype.
7877 (call_insn_operand): Likewise.
7878 (final_prescan_insn): Likewise.
7879 (avr_simplify_comparision_p): Likewise.
7880 (avr_normalize_condition): Likewise.
7881 (compare_eq_p): Likewise.
7882 (out_shift_with_cnt): Likewise.
7883 (const_int_pow2_p): Likewise.
7884 (output_reload_inhi): Prototype declaration changed.
7886 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
7887 (ldi_reg_rtx): New. rtx for r31.
7888 (avr_init_stack): Initialize as "__stack".
7889 (function_prologue): Use it.
7890 Replace all TARGET_ENHANCED with AVR_ENHANCED.
7891 (avr_mcu_name): Initialize as "avr2".
7892 (avr_enhanced_p, avr_mega_p): New variables.
7893 (mcu_types, avr_override_options): Handle all known MCU types.
7894 Also handle avr1 (only preprocess, assemble and link).
7895 (print_operand): Using of `%K' in output template removed.
7896 (out_movqi_r_mr): Optimized.
7897 (out_movhi_r_mr): Likewise.
7898 (output_movqi): New function.
7899 (output_movhi): Likewise.
7900 (out_movsi_r_mr): Optimized.
7901 (output_movsisf): Compute insn length for `adjust_insn_length'
7902 (out_movqi_mr_r): Optimized.
7903 (out_movhi_mr_r): Optimized.
7904 (adjust_insn_length): Use output_movsisf, output_movqi,
7905 output_movhi for insn length adjusting.
7906 (reg_unused_after): Use dead_or_set_p.
7907 (preferred_reload_class): Now havn't any restriction.
7908 (reg_was_0): New function.
7909 (io_address_p): Likewise.
7910 (const_int_pow2_p): Likewise.
7911 (output_reload_inhi): Likewise.
7912 (output_reload_insisf): Likewise.
7914 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
7915 (LIB_SPEC): Use -lc for all supported devices.
7916 (LIBGCC_SPEC): Use -lgcc for all supported devices.
7917 (AVR_MEGA): Define as avr_mega_p.
7918 (AVR_ENHANCED): New, define as avr_enhanced_p.
7919 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
7920 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
7921 (CRT_BINUTILS_SPECS): Handle all known MCU types.
7922 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
7923 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
7924 (ASM_SPEC): Pass -mmcu=... to the assembler.
7925 Change all -DAVR_* to -D__AVR_*__.
7926 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
7927 Rename library functions to start with two underscores.
7928 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
7930 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
7931 (SUPPORTS_WEAK): Likewise.
7932 (LDI_REG_REGNO): New. Register r31 will be used as temporary
7933 register for loading constants to r0-r14.
7935 * config/avr/avr.md: Replace all TARGET_ENHANCED with
7937 (*mov_r_sp): Removed. Handled by output_movhi.
7938 (*mov_sp_r): Likewise.
7939 (*mov_sp_r_no_interrupts): Likewise
7940 (*mov_sp_r_tiny): Likewise.
7941 (*movqi): Use output_movqi.
7942 (*reload_inqi): New.
7943 (*movhi): Use output_movhi.
7944 (*reload_inhi): New.
7945 (*negsi2): Optimized.
7946 (*negsf2): Likewise.
7947 Added peepholes (define_peephole2) for loading constants to r0-r14
7948 and for using `cpse' command.
7950 * config/avr/libgcc.S: Rename library functions to start with two
7952 Add support for enhanced core.
7953 (_moqhi3): Fix typo, now _modqi3.
7954 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
7955 (__prologue_saves__): Remove test for stack adjust by 0.
7956 (__tablejump__): New.
7958 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
7959 Add multilib support.
7961 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
7963 * loop.c (prescan_loop): Don't check unknown_address_altered
7964 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
7965 to loop_store_mems as necessary.
7966 (loop_invariant_p): Don't check unknown_address_altered
7967 or unknown_constant_address_altered.
7969 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7971 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
7973 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7975 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
7976 print just the filename.
7977 * cpplex.c (_cpp_run_directive): Add additional argument, the
7978 name to give the synthetic buffer. This defaults to
7979 translated "<command line>".
7980 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7982 (_cpp_define_builtin): New function.
7983 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7984 * cpphash.h: Update prototypes.
7986 * tradcpp.c (main): Process -D and -U simultaneously, in the
7987 order they appeared on the command line.
7989 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7991 * c-decl.c (define_label): Call warning_with_file_and_line and
7992 error_with_file_and_line instead of plain warning or error.
7994 * c-parse.in (label): Use save_filename/save_lineno to ensure
7995 correct values for calls to define_label.
7997 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7999 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
8001 * expr.c (expand_expr, case TARGET_EXPR): Don't call
8003 * tree.h (get_file_function_name): Remove two duplicate
8006 2000-08-28 Kazu Hirata <kazu@hxi.com>
8008 * tree.c: Fix formatting.
8010 * xcoffout.c: Fix formatting.
8012 2000-08-28 Jason Merrill <jason@redhat.com>
8014 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
8016 2000-08-28 Daniel Berlin <dberlin@redhat.com>
8018 * dwarf2out.c (dwarf2out_finish): Don't bother calling
8019 break_out_includes if it won't do anything.
8021 2000-08-28 Richard Henderson <rth@cygnus.com>
8023 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
8024 (find_reloads): Likewise.
8025 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
8026 (reload_inhi): Likewise.
8028 2000-08-28 Richard Henderson <rth@cygnus.com>
8030 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
8031 (call_insn_operand): Don't expect a surrounding mem.
8032 (constant_call_address_operand): Likewise.
8033 * config/i386/i386.h (PREDICATE_CODES): Update.
8034 * config/i386/i386.md (call patterns): Move the match_operand
8035 for the call destination inside the mem.
8037 2000-08-28 Richard Henderson <rth@cygnus.com>
8039 * local-alloc.c (requires_inout): Don't use reserved range for
8040 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
8041 * recog.c (asm_operand_ok): Likewise.
8042 (preprocess_constraints, constrain_operands): Likewise.
8043 * regclass.c (record_reg_classes): Likewise.
8044 * reload.c (find_reloads): Likewise.
8045 * reload1.c (maybe_fix_stack_asms): Likewise.
8046 (reload_cse_simplify_operands): Likewise.
8047 * stmt.c (expand_asm_operands): Likewise.
8049 * md.texi: Update constraints documentation.
8050 * tm.texi (EXTRA_CONSTRAINT): Update.
8052 2000-08-28 Daniel Berlin <dberlin@redhat.com>
8054 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
8055 (print_die): If we don't know the offset of the
8056 target die, try the symbol. Add a trailing newline.
8057 (reverse_all_dies): New fn.
8058 (dwarf2out_finish): Call it.
8059 (break_out_includes): Reorganize for clarity.
8060 (add_sibling_attributes): Don't call reverse_die_lists.
8061 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
8063 * flags.h: Add flag_eliminate_dwarf2_dups.
8064 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
8066 2000-08-28 Jason Merrill <jason@redhat.com>
8068 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
8069 * dwarf2out.c: #include "md5.h".
8070 (DIE_LABEL_PREFIX): New macro.
8071 (dw_val_struct): Add 'external' flag to val_die_ref.
8072 (add_AT_die_ref, AT_ref): Adjust.
8073 (AT_ref_external, set_AT_ref_external): New fns.
8074 (build_abbrev_table): Call set_AT_ref_external.
8075 (value_format): Call AT_ref_external.
8076 (die_struct): Add die_symbol field.
8077 (new_die): Clear it.
8078 (dwarf_tag_name): Handle BINCL/EINCL.
8079 (dwarf2out_start_source_file): Add BINCL DIE.
8080 (dwarf2out_end_source_file): Add EINCL DIE.
8081 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
8082 (loc_checksum, attr_checksum, die_checksum): New fns.
8083 (is_type_die, is_comdat_die, is_symbol_die): New fns.
8084 (compute_section_prefix, assign_symbol_names): New fns.
8085 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
8086 (output_die): Call output_die_symbol and AT_ref_external.
8087 (output_comdat_comp_unit): New fn, split out from...
8088 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
8090 (output_pubnames, output_aranges): Abort if we see entries from
8092 * toplev.h: Declare file_name_nondirectory.
8093 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
8094 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
8095 (debug_start_source_file): Call dwarf2out_start_source_file
8096 regardless of debug verbosity.
8097 (debug_end_source_file): Similarly.
8098 * tree.h: Declare clean_symbol_name.
8099 * tree.c (clean_symbol_name): Split out from...
8100 (get_file_function_name_long): ...here.
8102 * dwarf2out.c (new_loc_descr): Use calloc.
8103 (splice_child_die): Remove the die from the right parent.
8104 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
8106 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8108 * toplev.c (decode_g_option): Don't give warning for unknown -g
8109 option; return 0 instead.
8110 (main): If -g option is not recognized by front end or
8111 language-independent code, give warning.
8113 2000-08-28 Greg McGary <greg@mcgary.org>
8115 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
8116 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
8117 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
8119 2000-08-27 Greg McGary <greg@mcgary.org>
8121 * cpplex.c (parse_string): Don't look for backslash
8122 before first char in `namebuf'.
8123 * loop.c (strength_reduce): Skip NOTEs.
8125 2000-08-27 Jason Merrill <jason@redhat.com>
8127 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
8128 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
8129 TREE_ASM_WRITTEN, either.
8130 (finish_decl): Adjust.
8132 2000-08-28 Philipp Thomas <pthomas@suse.de>
8134 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
8135 they have been incorporated into the gettext CVS. Change the text to
8136 reflect the current status of NLS. Add instructions for accessing
8137 the gettext CVS and add the patch from Martin v. Loewis.
8139 2000-08-27 Geoff Keating <geoffk@cygnus.com>
8141 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
8142 by using gen_lowpart_common.
8143 (movdi_internal64+6): Likewise.
8145 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
8147 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
8150 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
8151 numbers to the ranges used by GDB.
8153 2000-08-25 Richard Henderson <rth@cygnus.com>
8155 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
8156 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
8157 (ia64_expand_prologue): Likewise.
8158 (ia64_setup_incoming_varargs): Set it. Properly skip the current
8159 argument for stdargs.
8161 2000-08-25 Jason Merrill <jason@redhat.com>
8163 * integrate.c (expand_inline_function): Pull out the original decl.
8165 2000-08-25 Jim Wilson <wilson@cygnus.com>
8167 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
8169 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
8171 2000-08-25 Greg McGary <greg@mcgary.org>
8173 * flow.c (dump_edge_info): Use ARRAY_SIZE.
8174 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
8176 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
8178 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
8180 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
8182 * i386.c (ix86_find_base_term): New.
8183 * i386-protos.h (ix86_find_base_term): Prototype.
8184 * i386.h (FIND_BASE_TERM): Define.
8185 * alias.c (find_base_term): Use it.
8186 * tm.texi (FIND_BASE_TERM): Document it.
8188 * alias.c (true_dependence, write_dependence_p): Unchanging
8189 memory can't conflict with non-unchanging memory.
8191 * alias.c (memrefs_conflict_p): A BLKmode reference
8192 to a symbol (or CONST_INT address) always conflicts
8193 with a reference to another symbol.
8195 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
8197 * c-common.c (time_char_table): Don't allow width and flags with
8200 2000-08-25 Jakub Jelinek <jakub@redhat.com>
8202 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
8203 way as LT and LTU when the second operand has 0 in low word.
8205 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8207 * basic-block.h (struct loop): Rename `exits' field to
8208 `exit_edges'. Add `entry_edges' and `num_entries' fields.
8210 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
8211 (flow_loop_entry_edges_find): Add.
8212 (flow_edge_list_print): Rename from flow_exits_print.
8213 (flow_loops_find): Call flow_loop_entry_edges_find.
8214 (flow_loop_dump): Dump entry_edges list.
8215 (flow_loops_free): Free entry_edges.
8217 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8219 * loop.c (loop_dump_aux, debug_loop): New functions.
8220 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
8222 * flow.c (flow_loops_dump): Add callback parameter.
8223 (flow_loop_dump): Add callback parameter and call it. Move
8224 loop note debugging code to loop_dump_aux.
8226 * basic-block.h (flow_loop_dump): Add callback parameter
8227 (flow_loops_dump): Likewise.
8229 * toplev.c (rest_of_compilation): Add NULL callback function pointer
8230 to call to flow_loops_dump.
8232 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8234 * loop.c (count_loop_regs_set): Replace start and end arguments
8235 with loop argument. All callers udated.
8237 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8239 * loop.c (constant_high_bytes): Delete.
8241 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8243 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
8244 and NOTE_INSN_LOOP_VTOP to...
8245 (find_and_verify_loops) ...here.
8247 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
8249 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
8250 (fini_dummy, init_dummy): Use it.
8252 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
8254 * cpplex.c (is_macro_disabled): Caller has already checked
8255 that we're not a preprocessed file.
8257 2000-08-24 Mark Mitchell <mark@codesourcery.com>
8259 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
8260 (c-iterate.o): Remove target.
8261 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
8262 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
8263 (finish_decl): Don't handle iterators.
8264 (grokdeclarator): Likewise.
8265 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
8266 * gcc/c-gperf.h: Regenerated.
8267 * gcc/c-iterate.c: Removed.
8268 * gcc/c-lex.c (init_lex): Don't handle iterators.
8269 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
8270 (compstmt_primary_start): Remove push_iterator_stack call.
8271 (stmt): Don't allow iterator statements. Replace iterator_expand
8272 with expand_expr_stmt.
8273 (all_iter_stmt): Remove.
8274 (all_iter_stmt_simple): Likewise.
8275 (all_iter_stmt_with_decl): Likewise.
8276 * gcc/c-tree.h (ITERATOR_P): Remove.
8277 (ITERATOR_BOUND_P): Likewise.
8278 (init_iterators): Remove declaration.
8279 (iterator_expand): Likewise.
8280 (iterator_for_loop_start): Likewise.
8281 (iterator_for_loop_end): Likewise.
8282 (iterator_for_loop_record): Likewise.
8283 (push_iterator_stack): Likewise.
8284 (pop_iterator_stack): Likewise.
8285 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
8286 (readonly_warning): Likewise.
8287 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
8289 2000-08-24 Jim Wilson <wilson@cygnus.com>
8291 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
8292 Copy type in a TYPE_DECL, just like pushdecl does.
8294 2000-08-24 Richard Henderson <rth@cygnus.com>
8296 * toplev.c (main): Enable flag_reorder_blocks at -O2.
8298 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8300 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
8301 asked for one page, allocate GGC_QUIRE_SIZE of them and put
8302 the extras on the free list.
8303 (release_pages): Clean up.
8304 (ggc_set_mark): Don't adjust G.allocated here...
8305 (sweep_pages): ... do it here.
8307 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8309 * cppfiles.c (read_include_file): Rearrange initializations.
8311 2000-08-24 Richard Henderson <rth@cygnus.com>
8313 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
8315 * config/ia64/ia64-protos.h: Update.
8316 * config/ia64/ia64.c (gr_register_operand): New.
8317 (fr_register_operand, grfr_register_operand): New.
8318 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
8319 (grfr_reg_or_8bit_operand): New.
8320 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
8321 use gr_register_operand.
8322 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
8323 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
8324 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
8325 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
8326 (fr_reg_or_fp01_operand): Likewise.
8327 (not_postinc_memory_operand): New.
8328 (ia64_split_timode): Remove unused variables.
8329 (rtx_needs_barrier): Check arguments to cmpxchg.
8330 (builtin_description): Remove.
8331 (bdesc_2argsi, bdesc_2argdi): Remove.
8332 (ia64_init_builtins): Declare all builtins directly.
8333 (ia64_expand_fetch_and_op): Rewrite to be called from
8334 ia64_expand_builtin directly. Use expand_binop and co.
8335 (ia64_expand_op_and_fetch): Likewise.
8336 (ia64_expand_compare_and_swap): Likewise.
8337 (ia64_expand_binop_builtin): Remove.
8338 (ia64_expand_lock_test_and_set): New.
8339 (ia64_expand_lock_release): New.
8340 (ia64_expand_builtin): Use them.
8341 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
8342 (EXTRA_CONSTRAINT): Use it.
8343 (PREDICATE_CODES): Update.
8344 * config/ia64/ia64.md (*): Use gr_register_operand and co.
8345 (mf): Indicate that we set memory as well as use it.
8346 (fetchadd_acq_si): Show memory being modified as well.
8347 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
8348 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
8349 (lock_test_and_set_si, lock_test_and_set_di): Remove.
8350 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
8351 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
8352 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
8353 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
8354 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
8355 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
8356 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
8357 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
8358 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
8359 return type. Pretty print definitions.
8361 2000-08-24 Jim Wilson <wilson@cygnus.com>
8363 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
8364 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
8366 2000-08-24 Jason Merrill <jason@redhat.com>
8368 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
8369 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
8370 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
8371 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
8373 2000-08-24 Greg McGary <greg@mcgary.org>
8375 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
8376 and extendtab within their proper array boundaries.
8377 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
8378 for the entire array.
8380 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
8381 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
8382 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
8383 * config/fr30/fr30.c (fr30_print_operand): Likewise.
8384 * config/i386/dgux.c (output_options): Likewise.
8385 * config/i386/dgux.h (ASM_FILE_START): Likewise.
8386 * config/m88k/m88k.c (output_options): Likewise.
8387 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
8388 * config/mcore/mcore.c (mcore_output_inline_const_forced,
8389 layout_mcore_frame, handle_structs_in_regs): Likewise.
8390 * config/mips/mips.c (output_block_move): Likewise.
8391 * config/rs6000/rs6000.c (rs6000_override_options,
8392 rs6000_file_start): Likewise.
8393 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
8394 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
8395 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
8396 * builtins.c (expand_builtin_setjmp): Likewise.
8397 * expr.c (safe_from_p): Likewise.
8398 * flow.c (life_analysis): Likewise.
8399 * fold-const.c (size_int_type_wide): Likewise.
8400 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
8401 * genattrtab.c (make_length_attrs): Likewise.
8402 * genopinit.c (gen_insn): Likewise.
8403 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
8404 * global.c (global_alloc): Likewise.
8405 * local-alloc.c (find_free_reg): Likewise.
8406 * mips-tdump.c (print_symbol): Likewise.
8407 * mips-tfile.c (parse_def, parse_input): Likewise.
8408 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
8409 * stmt.c (expand_nl_goto_receiver): Likewise.
8410 * stor-layout.c (set_sizetype): Likewise.
8411 * varasm.c (decode_reg_name): Likewise.
8412 * toplev.c (decode_f_option, decode_W_option,
8413 set_target_switch, print_switch_values): Likewise.
8414 (NUM_ELEM): Remove macro.
8415 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
8417 2000-08-24 Greg McGary <greg@mcgary.org>
8419 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
8420 (MAIN_NAME_P, main_identifier_node): New macros.
8421 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
8422 * c-decl.c (start_decl, grokdeclarator, start_function,
8423 store_parm_decls, finish_function): Use MAIN_NAME_P.
8424 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
8425 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
8426 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8427 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
8429 2000-08-24 Greg McGary <greg@mcgary.org>
8431 * cppfiles.c (actual_directory): Don't write beyond `dir'
8432 when it contains "".
8433 * real.c (asctoeg): Stay within bounds of etens[][].
8435 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8437 * dependence.c (dependence_string, direction_string,
8438 dump_one_node, dump_node_dependence): Hide unused identifiers.
8439 (get_low_bound, normalize_coefficients): Match definition to
8441 (get_one_coefficient): Initialize variables `value0_is_idx' and
8443 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
8444 (ziv_test): Delete variable `idx', use parameter `sub' instead.
8445 (direction_merge): Avoid automatic aggregate initialization.
8446 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
8447 Initialize variables `dest_idx' and `src_idx'.
8448 (end_dependence_analysis): Avoid C89 style function definition.
8450 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
8452 * c-common.c (time_char_table): Don't allow width with %F.
8453 (check_format_info): Don't allow "Z" length with scanf.
8455 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
8457 * diagnostic.c (finish_diagnostic): Define.
8458 (output_do_printf): Use wrap_text instead of output_add_string.
8459 (default_print_error_function): Avoid embedded '\n'.
8461 * diagnostic.h (flush_diagnostic_buffer): Declare.
8463 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
8465 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
8467 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
8469 * Makefile.in (GCC_PASSES): Add specs.
8471 2000-08-23 Jim Wilson <wilson@cygnus.com>
8473 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
8474 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
8475 EHANDLER nor UHANDLER bit is set.
8476 (__get_except_table): Likewise.
8478 2000-08-23 Nick Clifton <nickc@redhat.com>
8480 * config/arm/lib1funcs.asm: Replace upper case condition codes
8481 with lower case versions.
8483 * config/arm/arm.h (STRUCT_VALUE): Define.
8484 (STRUCT_VALUE_REGNUM): Delete.
8486 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
8488 * cpphash.h (IN_I): New flag for directive table.
8489 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
8491 (_cpp_check_directive): If -fpreprocessed, execute directives
8492 marked with IN_I. Issue no warnings in this case.
8493 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
8495 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
8497 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
8499 (check_format_info): Support printf 'I' flag; warn about it with
8502 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
8504 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
8505 barrier can't be ignored by the alias analysis code.
8507 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
8509 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
8510 works inside fixincl.
8512 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
8514 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
8515 simplify_relational_operation() unless both operands are of
8517 * cse.c (fold_rtx): Likewise.
8519 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
8521 * rtlanal.c (rtx_unstable_p): The pic register is stable
8522 (within one function) and the actual rtx should be used
8523 when checking the registers.
8524 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
8526 * alias.c (true_dependence, write_dependence_p): Fix
8527 bug in previous patch.
8529 * i386.c (ix86_GOT_alias_set): New.
8530 (legitimize_pic_address): Use it.
8532 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
8533 only stable if its address is stable.
8534 (rtx_varies_p): An unchanging MEM can't vary if
8535 its address doesn't vary.
8537 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8539 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
8541 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8543 * vax.h (ASM_SPEC): Pass `-J' to assembler.
8544 * x-vax-gcc: New file for bootstrapping with gcc.
8545 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
8546 * configure.in: Use x-vax-gcc with gcc.
8547 * configure: Rebuilt.
8549 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8551 * toplev.c (rest_of_compilation): Rebuild label notes after
8552 post-reload splitting pass if new labels have been created.
8554 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8556 * diagnostic.h (output_buffer_state): New macro.
8557 * diagnostic.c (diagnostic_for_decl, sorry,
8558 default_print_error_function, output_do_verbatim,
8559 report_diagnostic, report_problematic_module): Use it.
8561 (output_format): Use wrap_text instead of maybe_wrap_text.
8563 2000-08-22 Nick Clifton <nickc@redhat.com>
8565 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
8566 Common code for ARM divide and modulus functions.
8567 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
8569 (FUNC_END): New macro: Common code at the end of the division and
8571 (THUMB_FUNCTION_START): New macro: Common code at the start of
8573 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
8575 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
8577 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
8579 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
8580 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
8583 2000-08-22 Nick Clifton <nickc@redhat.com>
8585 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
8586 restorative additions, test for bottom bits of IP being set,
8587 rather than relying upon the RORs not matching.
8590 2000-08-22 David Edelsohn <edelsohn@gnu.org>
8592 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
8593 text_section() as appropriate instead of emitting text csect
8595 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
8596 (UNIQUE_SECTION): Define macro.
8597 (ASM_OUTPUT_SECTION_NAME): Define macro.
8598 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
8599 on AIX if debugging and -fdata-sections always.
8601 2000-08-22 Steven King <sxking@uswest.net>
8603 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
8605 (LDBL_MAX): Same here.
8607 2000-08-22 Richard Henderson <rth@cygnus.com>
8609 * flow.c (tidy_fallthru_edge): Update b->end properly.
8611 2000-08-22 Stan Cox <scox@redhat.com>
8613 * Makefile.in (OBJS): Add dependence.o.
8614 * dependence.c: New file.
8616 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
8618 * calls.c (check_sibcall_argument_overlap_1): Adjust for
8620 (check_sibcall_argument_overlap): Likewise.
8622 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
8624 * invoke.texi (SH Options): Document -m4-nofpu,
8625 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
8626 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
8628 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
8630 * c-common.c (check_format_info): Give the 'some locales' warning
8631 for strftime %Ey rather than the unconditional 'only last 2 digits
8634 2000-08-22 Richard Henderson <rth@cygnus.com>
8636 * alias.c (init_alias_analysis): Do not register
8637 struct_value_incoming_rtx or static_chain_rtx as pointing
8640 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
8642 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
8644 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8646 * diagnostic.h (report_problematic_module): Declare.
8647 * diagnostic.c (report_problematic_module): New function.
8648 (report_error_function): Tweak.
8650 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8652 * stmt.c (expand_goto_internal, fixup_gotos): Only check
8653 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8655 2000-08-21 Richard Henderson <rth@cygnus.com>
8657 * flow.c (calculate_global_regs_live): Mark frame pointer live
8658 everywhere before reload.
8660 2000-08-21 Jim Wilson <wilson@cygnus.com>
8662 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
8663 INTEL_EXTENDED_IEEE_FORMAT.
8664 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
8665 clear last two bytes of output FP value.
8667 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
8669 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
8671 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8673 * unroll.c (loop_find_equiv_value): If ret is modified between
8674 insn and loop_start, ret might not be equivalent to reg.
8676 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8678 * c-common.c (init_dollar_format_checking,
8679 maybe_read_dollar_number, finish_dollar_format_checking): New
8681 (dollar_arguments_used, dollar_arguments_count,
8682 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
8684 (check_format_info): Support $ formats for scanf and printf width
8685 and precision. Always increment format_chars to advance past the
8686 '*' of precision, not just when the format parameters are
8689 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8691 * mips.c (block_move_loop, expand_block_move,
8692 function_arg_partial_nregs, save_restore_insns, function_prologue,
8693 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
8695 (function_arg_advance, function_arg): Match argument to format
8698 2000-08-21 Nix <nix@esperi.demon.co.uk>
8700 * gcc.c (do_spec_1): Implement %j spec flag.
8701 Remove dead comment.
8703 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
8704 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
8705 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
8706 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
8708 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
8709 writable) instead of hardcoded value.
8711 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
8713 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
8716 * gcc.c (cc1_options): Do not process -o or run the assembler if
8718 * objc/lang-spec.h: Likewise.
8720 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
8722 * fixinc/fixincl.c (fix_with_system): Pipe the output of
8723 "external" fixes through `cat', to avoid truncating the input
8724 file by redirection.
8726 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8728 * config/i386/i386.md (lea_general_1): Copy insn condition to split
8730 (lea_general_2, lea_general_3): Likewise.
8732 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8734 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
8735 warnings to user code.
8737 * c-lex.c (readescape, yylex): Likewise.
8739 * c-typeck.c (store_init_value, process_init_element): Likewise
8740 (c_expand_start_case): Format.
8742 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
8744 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
8746 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
8747 and linker_endian_spec to endian_spec.
8748 (ENDIAN_SPEC): Add %{EB} and %{EL}.
8749 (LINK_SPEC): Remove %{EB} and %{EL}.
8750 (ASM_SPEC): Likewise. Use %(endian_spec).
8752 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8754 * c-tree.h (flag_hosted): Move declaration from here...
8755 * c-common.h (flag_hosted): ... to here.
8756 (flag_noniso_default_format_attributes): New declaration.
8757 * c-decl.c (flag_noniso_default_format_attributes): New variable.
8758 (c_decode_option): Set it appropriately for options choosing
8759 language standard variant.
8760 * c-common.c (init_function_format_info): Only provide default
8761 format attributes if flag_hosted. Only provide the gettext
8762 formats if flag_noniso_default_format_attributes. Update
8764 (check_format_info): Disable treatment of %a as a scanf flag in
8767 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8769 * c-common.c (scan_char_table): Add 'w' to flags for all formats
8771 (check_format_info): Set 'wide' for scanf format widths. Warn for
8772 a zero scanf width. Make the check for writing into a constant
8773 object at the first level of indirection; at later levels, warn if
8774 any type qualifiers are encountered.
8776 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
8778 * reload.c (reload_inner_reg_of_subreg): New function broken out of
8780 (push_reload): Use reload_inner_reg_of_subreg.
8781 (combine_reloads): Do not combine reloads if the input reload
8782 is a SUBREG in which the inner part will need reloading.
8784 * global.c (global_alloc): Avoid passing dumpfile argument to
8786 * toplev.c (rest_of_compilation): Likewise.
8787 * reload.h (reload): Remove dumpfile argument. Callers changed.
8788 (debug_reload, debug_reload_to_stream): Move prototypes here.
8789 * rtl.h (reload): Remove dumpfile argument.
8790 * reload.c (debug_reload): Remove prototype.
8791 (debug_reload_to_stream): Likewise.
8792 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
8795 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8797 * diagnostic.c (context_as_prefix): Export.
8798 (need_error_newline): Remove.
8799 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
8800 (error_module_changed, record_last_error_module,
8801 error_function_changed, record_last_error_function): New functions.
8802 (initialize_diagnostics): Default intialize
8803 lang_diagnostic_starter, lang_diagnostic_finalizer.
8804 (init_output_buffer): Tweak.
8805 (file_name_as_prefix): New function.
8806 (announce_function, default_print_error_function,
8807 report_error_function, set_diagnostic_context): Tweak.
8809 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
8811 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
8812 condition expression.
8814 2000-08-20 Richard Henderson <rth@cygnus.com>
8816 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
8818 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
8820 * cppinit.c (cpp_init): Set global flag when called.
8821 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
8823 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
8825 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
8826 before `process_directive' so that newlines won't be missed
8828 (cpp_printf): Increment `print->lineno' when newline is emitted.
8830 * cppmain.c (cb_ident): Likewise.
8831 (cb_define): Likewise.
8832 (cb_undef): Likewise.
8833 (cb_include): Likewise.
8834 (cb_def_pragma): Likewise.
8835 (dump_macros_helper): Likewise.
8837 2000-08-20 Richard Henderson <rth@cygnus.com>
8839 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
8840 assigned before a loop.
8842 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
8843 (ashrsi3, lshrsi3): Likewise.
8845 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8847 * c-lang.c: #include diagnostic.h
8848 (c_tree_printer): New function.
8849 (lang_init): Initialize lang_printer.
8851 * Makefile.in (c-lang.o): Depends on diagnostic.h
8853 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8855 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
8857 * diagnostic.c (default_diagnostic_starter,
8858 default_diagnostic_finalizer): New functions.
8859 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
8860 (pedwarn, pedwarn_with_file_and_line, error,
8861 error_with_file_and_line, fatal, warning,
8862 warning_with_file_and_line): Adjust call to report_diagnostic.
8863 (report_diagnostic): Rework.
8864 (set_diagnostic_context): New function.
8866 * diagnostic.h (struct diagnostic_context): New data structure.
8867 (diagnostic_message, diagnostic_argument_list,
8868 diagnostic_file_location, diagnostic_line_location,
8869 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
8870 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
8871 (set_diagnostic_context): Declare.
8872 (report_diagnostic): Change prototype.
8874 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
8876 * fix-header.c (main): Initialize cpplib.
8878 2000-08-19 Michael Meissner <meissner@redhat.com>
8880 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
8881 instructions in it before checking for indirect jumps.
8883 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
8884 in a indirect jump as a potential for conditional execution.
8886 * d30v.h (d30v_init_expanders): Don't declare here.
8887 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
8890 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
8892 * cpp.texi: Add @section for assertions.
8894 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
8896 * loop.c (scan_loop): Use CONST_CALL_P instead of
8897 checking for REG_LIBCALL / REG_RETVAL.
8899 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
8901 * reload1.c (reload_as_needed): Accept dumpfile argument,
8902 pass it to emit_reload_insns.
8903 (emit_reload_insns): Add new dumpfile argument. If non-null
8904 then dump the reloads for each insn into the dumpfile.
8905 (reload): Pass dumpfile to reload_as_needed.
8907 * invoke.texi: Clean up linux-gnu vs linux comments.
8909 2000-08-19 Richard Henderson <rth@cygnus.com>
8911 * config/ia64/ia64.c (reg_or_5bit_operand): New.
8912 (ia64_depz_field_mask): New.
8913 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
8914 (PREDICATE_CODES): Update.
8915 * config/ia64/ia64.md: Update commentary.
8916 (depz_internal): New.
8917 (ashlsi3): Implement directly.
8918 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
8919 (ashldi3): Use shladd.
8920 * config/ia64/ia64-protos.h: Update.
8922 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8924 * toplev.c (independent_decode_option): Always process -g.
8925 Remove third argument, now unused. Adjust caller to match.
8927 2000-08-18 Richard Henderson <rth@cygnus.com>
8929 * combine.c (make_compound_operation): Break after creating
8932 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8934 * cpplib.c (cpp_register_pragma_space): Just return if the
8935 namespace is already registered.
8937 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
8939 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
8940 constant amount. Do not generate ROTL instruction.
8942 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
8944 * config/sh/elf.h: Do not include sh/sh.h.
8945 * config/sh/rtems.h: Likewise.
8946 * config/sh/rtemself.h: Do not include sh/elf.h.
8947 * configure.in: Get them included with `tm_file's.
8948 * configure: Rebuilt.
8950 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
8951 * config/sh/sh.c (fpscr_set_from_mem): Use them.
8953 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8955 * stor-layout.c (compute_record_type): Don't use mode of single
8956 field as mode of record if not integer mode of same type.
8958 * regmove.c (perhaps_ends_bb_p): New function.
8959 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
8960 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
8961 (fixup_match_1): Likewise.
8962 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8963 avoid signed/unsigned warnings.
8965 * function.c (fixup_var_refs_1, case MEM): Update CODE after
8968 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
8970 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
8971 (_cpp_trigraph_map): Declaration moved from cpplex.c
8973 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
8974 instead of 256. Use consistent test for designated initializers.
8975 (cpp_init): Initialize trigraph_map.
8976 (initialize_standard_includes, parse_option): Use memcmp
8979 * cpplex.c (init_trigraph_map): Remove.
8980 (trigraph_ok, trigraph_replace, lex_line): Refer to
8983 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8984 (do_unassert): Remove unused "next" local.
8986 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8988 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8990 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8993 2000-08-17 Richard Henderson <rth@cygnus.com>
8995 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8996 the first insn in a sequence.
8998 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
9000 * alias.c (true_dependence, write_dependence_p): A read
9001 involving a label_ref or the constant pool doesn't create
9004 * rtl.h (unchanging): Improve documentation.
9006 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
9008 * cse.c (insert_regs): Remove unused `regno'.
9010 2000-08-17 Neil Booth <NeilB@earthling.net>
9012 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
9013 remove_dup_dirs. If qtail == brack, remove brack not
9015 (remove_dup_dir, remove_dup_dirs): New functions.
9017 2000-08-17 Neil Booth <NeilB@earthling.net>
9019 * cppinit.c (cpp_cleanup): Free include dir chains.
9020 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
9021 (do_unassert): Free the assert with _cpp_free_definition.
9022 * cppmacro.c (_cpp_free_definition): Free memory allocated for
9023 assertions. Make the node a T_VOID node.
9025 2000-08-17 Neil Booth <NeilB@earthling.net>
9027 * cppinit.c (path_include, append_include_chain):
9028 Remove 2nd parameter (struct cpp_pending *).
9029 (path_include, initialize_standard_includes, cpp_handle_option):
9030 Update callers appropriately.
9031 (cpp_handle_option): Use pend.
9033 2000-08-17 Neil Booth <NeilB@earthling.net>
9035 * cppinit.c (sort_options): Remove, put functionality in
9038 (initialize_builtins): Free memory.
9039 (cpp_start_read): Move init_IStable to cpp_init.
9041 * cpplib.h (cpp_init): New prototype.
9042 * cppmain.c (main): Call cpp_init.
9044 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
9046 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
9047 (rtx_unstable_p, rtx_varies_p): Process vectors.
9049 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
9051 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
9052 references to GLOBAL symbols. Use LOCAL where appropriate.
9054 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9056 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
9057 use t-aix41 when host == target.
9059 2000-08-16 Richard Henderson <rth@cygnus.com>
9061 * reload.c (push_secondary_reload): Revert last change.
9062 If we use a reload_in/out pattern, make the when the same
9063 as the primary reload.
9064 (find_reloads): Likewise.
9066 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
9068 * configure.in (libstdcxx-v3): Fix test.
9069 * configure: Regenerate.
9071 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9073 * calls.c (calls_function_1, expand_call): Only test
9074 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
9075 * function.c (thread_prologue_and_epilogue_insns): Likewise.
9077 2000-08-16 Richard Henderson <rth@cygnus.com>
9079 * combine.c (simplify_shift_const): Revert previous two
9080 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
9081 before the main loop.
9083 2000-08-15 Richard Henderson <rth@cygnus.com>
9085 * combine.c (simplify_shift_const): Bound shift count when
9088 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9090 * calls.c (ECF_SP_DEPRESSED): New macro.
9091 (calls_function_1): Treat calling sp-depressed function as alloca.
9092 (emit_call_1): Don't adjust SP if calling sp-depressed function.
9093 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
9094 If sp-depressed, ensure block saves and restores SP.
9095 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
9097 * function.c (keep_stack_depressed): New function.
9098 (thread_prologue_and_epilogue_insns): Call it.
9099 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
9100 to print DECL_OFFSET_ALIGN.
9101 Print no-force-blk and transparent-union flags properly.
9102 * stmt.c (expand_goto_internal): Don't restore stack if last block
9103 and function returns with sp depressed.
9104 (fixup_gotos): Likewise.
9105 (save_stack_pointer): New function, from code in expand_decl.
9106 (expand_decl): Call new function.
9107 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
9108 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
9109 (save_stack_pointer): New declaration.
9111 * diagnostic.c (fatal_function): New variable.
9112 (set_fatal_function): New function.
9114 * diagnostic.h (set_fatal_function): New declaration.
9116 2000-08-15 William Cohen <wcohen@redhat.com>
9118 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
9119 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
9120 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
9122 2000-08-15 Richard Henderson <rth@cygnus.com>
9124 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
9126 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9128 * arm.c (arm_function_ok_for_sibcall): New function.
9129 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
9130 * arm.md (call expanders): Don't check here for calls that can't
9133 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9135 * arm.md (splits generating cond_exec): Disable.
9137 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9139 * arm/linux-elf.h (text_section): Delete declaration.
9141 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9143 ARM support for unordered FP operations.
9144 * arm-protos.h (arm_comparison_operator): Declare.
9145 * arm.c (arm_comparison_operator): New function.
9146 (arm_select_cc_mode): Add unordered comparison codes.
9147 (get_arm_condition_code): Likewise.
9148 (arm_final_prescan_insn): Can't handle unordered jumps that can't
9149 be done in one insn.
9150 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
9151 * arm.md (all uses of comparison_operator): Replace with
9152 arm_comparison_operator.
9153 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
9155 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
9158 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9160 * gthr-posix.h: Conditionally include <sched.h>; include
9161 <config.h> from libobjc/.
9163 2000-08-14 Richard Henderson <rth@cygnus.com>
9165 * config/i386/i386.c (legitimize_pic_address): Use Pmode
9168 2000-08-14 Richard Henderson <rth@cygnus.com>
9170 * configure.in (ia64-*): Set float_format for i386 long double.
9172 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
9173 as we would for i386 XFmode.
9174 (PUT_REAL): Likewise.
9175 (endian, ereal_atof, real_value_truncate): Likewise.
9176 (ereal_isneg, toe64, etens, make_nan): Likewise.
9177 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
9179 * config/ia64/ia64-protos.h: Update.
9180 * config/ia64/ia64.c (general_tfmode_operand): New.
9181 (destination_tfmode_operand): New.
9182 (tfreg_or_fp01_operand): New.
9183 (ia64_split_timode): New.
9184 (spill_tfmode_operand): New.
9185 (ia64_expand_prologue): Use TFmode not XFmode.
9186 (ia64_expand_epilogue): Likewise.
9187 (ia64_function_arg): Likewise.
9188 (ia64_function_arg_advance): Likewise.
9189 (ia64_return_in_memory): Likewise.
9190 (ia64_function_value): Likewise.
9191 (ia64_print_operand): Likewise.
9192 (ia64_register_move_cost): Set GR<->FR to 5.
9193 (ia64_secondary_reload_class): Get GR for TImode memory op.
9194 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
9195 (ROUND_TYPE_ALIGN): Remove.
9196 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
9197 (INTEL_EXTENDED_IEEE_FORMAT): Define.
9198 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
9199 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
9200 (MODES_TIEABLE_P): Use TFmode, not XFmode.
9201 (CLASS_MAX_NREGS): Likewise.
9202 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
9203 (PREDICATE_CODES): Update.
9204 * config/ia64/ia64.md (movti): New.
9205 (movti_internal): Use a clobber for memory alternatives.
9206 (reload_inti, reload_outti): New.
9207 (movsfcc_astep): Predicate properly.
9208 (movdfcc_astep): Likewise.
9211 (extendsftf2, extenddftf2): New.
9212 (trunctfsf2, trunctfdf2): New.
9213 (floatditf2, fix_trunctfdi2): New.
9214 (floatunsditf2, fixuns_trunctfdi2): New.
9215 (addtf3, subtf3, multf3, abstf2): New.
9216 (negtf2, nabstf2, mintf3, maxtf3): New.
9217 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
9219 (fr_spill): Use TFmode, not XFmode.
9220 (fr_restore): Likewise.
9221 * config/ia64/lib1funcs.asm (__divtf3): New.
9222 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
9224 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9226 * cse.c (fold_rtx): Avoid empty body in an if-statement.
9228 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
9229 `U' integer constant suffix.
9231 * dwarf2out.c (add_subscript_info): Avoid empty body in an
9234 * sparc/sol2.h (__enable_execute_stack): Prototype.
9236 2000-08-14 David Edelsohn <edelsohn@gnu.org>
9238 * collect2.c: Remove use of AIX import file.
9240 * longlong.h: Test ARCH_PWR not ARCH_POWER.
9242 * rs6000.c (print_operand, case 'E'): Add else.
9244 2000-08-14 Richard Henderson <rth@cygnus.com>
9246 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
9247 (movdi_symbolic): New.
9249 2000-08-14 Jim Wilson <wilson@cygnus.com>
9251 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9252 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
9253 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9256 2000-08-14 Richard Henderson <rth@cygnus.com>
9258 * expr.c (emit_group_load): Don't force constants into registers.
9259 Special case source already in the correct mode.
9261 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
9263 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
9264 * fixinc/inclhack.def: Likewise.
9265 * fixinc/mkfixinc.sh: Likewise.
9266 * configure: Regenerate.
9267 * fixinc/fixincl.x: Regenerate.
9268 * install.texi: Document equivalence of linux and linux-gnu.
9270 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9272 * cse.c (insert_regs): Also in REG case: When finding an invalid
9273 value, and we make a new quantity, make sure that it won't be
9274 mistaken by for a valid one by mention_regs.
9276 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
9278 * h8300.md: Remove obsolete peepholes.
9280 2000-08-13 Kazu Hirata <kazu@hxi.com>
9282 * invoke.texi (H8/300 Options): Fix typos.
9283 * config/h8300.c: Fix formatting.
9284 * config/h8300.h: Fix comment typos.
9285 (OVERRIDE_OPTIONS): Fix formatting.
9287 * function.c: Fix formatting.
9289 * cse.c: Fix formatting.
9291 2000-08-13 Geoff Keating <geoffk@cygnus.com>
9293 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
9294 (attempt_auto_inc): Suppress parentheses warning.
9295 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
9296 * loop.c (load_mems): Remove `u' suffix in two places.
9297 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
9299 * config/rs6000/rs6000.h: Likewise.
9300 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
9301 __eabi dummy routine.
9302 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
9305 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
9306 not put stuff in .sdata unnecessarily.
9307 (rs6000_unique_section): New function.
9308 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
9309 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
9311 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
9312 arrays in C99. Don't try to look at DECL_REGISTER of a
9313 COMPONENT_REF. Don't complain twice about the same error.
9315 * fixinc/inclhack.def (aix_pthread): New fix.
9316 (aix_sysmachine): New fix.
9317 * fixinc/fixincl.x: Regenerate.
9319 * expr.c (expand_expr): Call convert_modes when turning a large
9320 multiply into a small one.
9322 2000-08-12 Geoff Keating <geoffk@cygnus.com>
9324 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
9325 the tree structure an exponent rather than an explicit alignment
9326 so it doesn't overflow.
9327 (SET_DECL_OFFSET_ALIGN): New macro.
9328 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
9329 rather than DECL_OFFSET_ALIGN.
9330 (place_field): Likewise.
9331 * expmed.c (store_bit_field): Abort on align==0 to avoid
9332 antisocial machine behaviour.
9334 2000-08-12 Richard Henderson <rth@cygnus.com>
9336 * sibcall.c (uses_addressof): Accept both addressof and
9337 current_function_internal_arg_pointer inside a mem.
9338 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
9339 if current_function_uses_addressof.
9340 * stmt.c (expand_return): Kill tail recursion and HAVE_return
9343 2000-08-11 Richard Henderson <rth@cygnus.com>
9345 * config/ia64/ia64.md (addsi3): Remove expander.
9346 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
9347 (*addsi3_shladd): New.
9349 2000-08-11 Richard Henderson <rth@cygnus.com>
9351 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
9352 (do_restore): Likewise.
9353 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
9354 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
9355 (rtx_needs_barrier): Track actual bit manipulation for
9356 ar.unat moves, gr_spill, and gr_restore.
9357 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
9358 (process_set): Don't handle varargs spills.
9359 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
9360 .mem.offset here instead of in process_set.
9361 (gr_restore): Likewise.
9363 2000-08-11 Richard Henderson <rth@cygnus.com>
9365 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
9367 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9369 * gcc.texi (The Configuration File): Document
9370 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
9371 UPDATE_PATH_HOST_CANONICALIZATION.
9373 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9375 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
9376 unprototyped function pointer casts on integer constants.
9378 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
9380 * fixproto: Recognize DOS paths with drive letters as absolute paths.
9382 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
9384 * extend.texi (Volatiles): Fix typos.
9386 2000-08-11 Kazu Hirata <kazu@hxi.com>
9388 * flow.c: Fix formatting.
9390 2000-08-11 Richard Henderson <rth@cygnus.com>
9392 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
9393 pattern, always allocate a tertiary scratch register.
9395 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
9396 (reload_inhi): Likewise.
9398 2000-08-11 Richard Henderson <rth@cygnus.com>
9400 * function.c (put_reg_into_stack): Allow type to be NULL.
9401 (schedule_fixup_var_refs): Likewise.
9402 (gen_mem_addressof): Allow decl to be NULL.
9403 (put_addressof_into_stack): Likewise.
9405 * flow.c (merge_blocks_nomove): Be more careful about
9406 locating the beginning of block A.
9408 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
9410 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9415 * config.in: Reverted the check for <sched.h>.
9417 2000-08-10 Chris Demetriou <cgd@sibyte.com>
9419 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
9420 macros define the name of CTOR and DTOR sections.
9421 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9422 DTOR_LIST_END): Change to use attributes to specify
9424 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
9425 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9426 DTOR_LIST_END): Same as in mips/elf.h.
9428 2000-08-10 Drew Moseley <dmoseley@redhat.com>
9430 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
9431 disabling just crt0.o.
9433 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
9435 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
9436 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
9437 (EXTRA_SPECS): Add them.
9438 * arm/lib1funcs.asm: Support builds for interworking.
9439 Use macros to eliminate duplicated pieces of code.
9441 2000-08-10 Kazu Hirata <kazu@hxi.com>
9443 * h8300.c (expand_a_rotate): New.
9444 (emit_a_rotate): Likewise.
9445 (h8300_adjust_insn_length): Add support for the rotate insns.
9446 * h8300.md (rotlqi3): New.
9447 (*rotlqi3_1): Likewise.
9448 (rotlhi3): Likewise.
9449 (*rotlhi3_1): Likewise.
9450 (rotlhi3): Likewise.
9451 (*rotlhi3_1): Likewise.
9452 * h8300-proto.h: Add prototypes for expand_a_rotate and
9455 * h8300.c: Fix comment typos.
9456 (dosize): Declare the variable amount as unsigned.
9457 (get_shift_alg): Fix a comparison between signed and unsigned.
9458 (emit_a_shift): Likewise.
9459 (h8300_adjust_insn_length): Simplify the code.
9461 * c-decl.c: Fix formatting.
9463 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9465 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
9466 warning about non-traditional numeric constant suffixes.
9468 * cppexp.c (parse_number): Likewise.
9470 * invoke.texi: (-Wtraditional): Document new behavior.
9472 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9474 * gthr-posix.h: Include auto-host.h. Conditionally include
9476 * configure.in: Check for the <sched.h> header file.
9477 * config.in: Added define for HAVE_SCHED_H.
9479 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9481 * c-typeck.c (process_init_element): For -Wtraditional, warn about
9482 initialization of unions.
9484 * invoke.texi (-Wtraditional): Document new behavior.
9486 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
9488 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
9489 instead of extra_c_flags.
9490 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
9491 * configure: Regenerate.
9492 * config.in: Regenerate.
9494 * cpperror.c (cpp_type2name): New function.
9495 * cpplex.c (lex_line): If we issued an error for an invalid
9496 preprocessing directive, discard that logical line.
9497 * cpplib.c (do_line): Call a hook function if the current file
9498 is renamed by #line.
9499 (do_ident): Pass the contents of the string, not the entire
9500 token, to the callback function.
9501 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
9502 (cb.rename_file): New hook function.
9503 (cb.ident): Adjust prototype.
9504 (cpp_type2name): Prototype.
9505 * cppmacro.c (dump_macro_args): Correct precedence lossage.
9507 * cppmain.c (cb_ident): Update for changed interface.
9508 (cb_rename_file): New function.
9509 (main): Set rename callback.
9511 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
9513 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
9514 multi-word registers.
9516 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9518 * c-common.c (combine_strings, check_format_info): Refer to ISO C
9519 or ISO C89 instead of ANSI C.
9520 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
9521 build_enumerator, do_case): Likewise.
9522 * c-lex.c (parse_float, yylex): Likewise.
9523 * c-parse.in: Likewise.
9524 * c-typeck.c (common_type, build_array_ref, build_binary_op,
9525 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
9526 build_c_cast, convert_for_assignment, set_init_index,
9527 set_init_label, c_expand_start_case): Likewise.
9528 * toplev.c (documented_lang_options, display_help): Likewise.
9530 2000-08-08 Kazu Hirata <kazu@hxi.com>
9532 * h8300.c: Fix formatting.
9533 * h8300.h: Likewise.
9534 * h8300.md: Likewise.
9535 (movsi_h8300hs): Fix formatting of the resulting assembly code.
9537 * reload1.c: Fix formatting.
9539 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
9541 * alpha/alpha.c (alpha_emit_xfloating_libcall):
9542 Use GEN_CALL_VALUE define.
9543 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
9544 * clipper/clipper.md (untyped_call): Likewise.
9545 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
9546 * fx80/fx80.md (untyped_call): Likewise.
9547 * mips/mips.md (untyped_call): Likewise.
9548 * ns32k/ns32k.md (untyped_call): Likewise.
9549 * pa/pa.md (untyped_call): Likewise.
9550 * romp/romp.md (untyped_call): Likewise.
9551 * sparc/sparc.md (untyped_call): Likewise.
9553 2000-08-08 Jason Eckhardt <jle@cygnus.com>
9555 * config/i860/i860.c (singlemove_string): Do not generate assembler
9556 pseudo instructions that must be expanded (that is, with signed
9557 constants larger than 16 bits).
9559 2000-08-08 Richard Henderson <rth@cygnus.com>
9561 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
9562 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
9563 (init_propagate_block_info): Don't kill memory stores at -O0.
9564 (mark_set_1, mark_used_regs): Likewise.
9566 2000-08-08 David Edelsohn <edelsohn@gnu.org>
9568 * rs6000.c (optimization_options): Decorate 'level' as
9570 (mask64_operand): Remove sign-extend thinko.
9571 (rldic_operand): New function.
9572 (load_multiple_operation): regno's are unsigned ints.
9573 (store_multiple_operation): Likewise.
9574 (lmw_operation): Likewise.
9575 (stmw_operation): Likewise.
9576 (includes_lshift_p): shift_mask is unsigned int.
9577 (includes_lshift64_p): New function.
9578 (addrs_ok_for_quad_peep): unsigned int reg1.
9579 (print_operand): Consistently add "else" after
9580 output_operand_lossage().
9581 (print_operand, case 'b'): Fold in case 'W'.
9582 (print_operand, case 'W'): Print rldic MB value.
9583 (output_epilogue): Update Objective-C language string.
9584 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
9585 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
9586 * rs6000.md (ashldi3): Add rldic instruction.
9587 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
9588 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
9591 2000-08-08 Richard Henderson <rth@cygnus.com>
9593 * config/ia64/ia64-protos.h: Remove duplicates. Update
9594 for massive code rearrangements.
9595 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
9596 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
9597 (ia64_local_regs, ia64_need_regstk): Remove.
9598 (ar_ccv_reg_operand): New.
9599 (ia64_gp_save_reg): New.
9600 (struct ia64_frame_info): Combine most of the size elements;
9601 add new gr save elements.
9602 (find_gr_spill): New.
9603 (next_scratch_gr_reg): New.
9604 (mark_reg_gr_used_mask): New.
9605 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
9606 to GR backing store regs when possible.
9607 (ia64_initial_elimination_offset): New.
9608 (ia64_rap_fp_offset): Remove.
9609 (save_restore_insns): Remove.
9610 (setup_spill_pointers): New.
9611 (finish_spill_pointers): New.
9612 (spill_restore_mem): New.
9613 (do_spill, do_restore): New.
9614 (ia64_expand_prologue): Rewrite to use them.
9615 (ia64_expand_epilogue): Likewise.
9616 (ia64_direct_return): Update for current_frame_info changes.
9617 (ia64_function_prologue): Simplify .prologue emission. Emit
9619 (ia64_setup_incoming_varargs): Don't ever emit rtl.
9620 (ia64_dbx_register_number): New.
9621 (ia64_initialize_trampoline): New.
9622 (ia64_secondary_reload_class): Request GR_REGS for integer
9623 arithmetic destined for FR_REGS.
9624 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
9625 (ia64_mark_machine_status): Mark ia64_gp_save.
9626 (rws_access_regno): Rename from rws_access_reg; don't treat
9627 predicates specially.
9628 (rws_access_reg): New. Update all callers.
9629 (rtx_needs_barrier): Remove dead unspecs.
9630 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
9631 (ia64_encode_section_info): Silence signed/unsigned warnings.
9632 (spill_offset, sp_offset, spill_offset_emitted): Remove.
9633 (tmp_reg, tmp_saved): Remove.
9634 (process_set): Rewrite to expect complicated bits via
9635 REG_FRAME_RELATED_EXPR.
9636 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
9637 in the use of ar.ccv; never set RTX_UNCHANGING_P.
9638 (ia64_expand_op_and_fetch): Likewise.
9639 (ia64_expand_compare_and_swap): Likewise.
9640 (ia64_expand_builtin): Likewise.
9641 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
9642 (FIRST_PSEUDO_REGISTER): Update.
9643 (AR_M_REGNO_P): Update.
9644 (FIXED_REGS): Don't mark three local registers as used.
9645 (EXTRA_CC_MODES): New.
9646 (SELECT_CC_MODE): New.
9647 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
9648 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
9649 (FRAME_GROWS_DOWNWARD): Unset.
9650 (STARTING_FRAME_OFFSET): Zero.
9651 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
9652 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
9653 (HARD_FRAME_POINTER_REGNUM): New.
9654 (CAN_DEBUG_WITHOUT_FP): Define.
9655 (TRAMPOLINE_TEMPLATE): Remove.
9656 (TRAMPOLINE_SIZE): Lower to 32.
9657 (TRAMPOLINE_ALIGNMENT): Lower to 64.
9658 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
9659 (PREDICATE_CODES): Update.
9660 (struct machine_function): Add ia64_gp_save.
9661 * config/ia64/ia64.md: Purge unused unspecs.
9662 (movsi patterns): Allow moves to/from AR_M_REGS.
9663 (movdi patterns): Allow moves to/from p0.
9664 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
9665 (gr_spill, gr_restore): Indicate ar.unat read/written.
9666 (nonlocal_goto): Don't pass old frame_pointer.
9667 (nonlocal_goto_receiver): Remove.
9668 (exception_receiver): New.
9669 (builtin_setjmp_setup): New.
9670 (builtin_setjmp_receiver): New.
9671 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
9672 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
9673 (__ia64_restore_stack_nonlocal): Likewise.
9674 (__ia64_trampoline): New.
9675 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
9677 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
9679 2000-08-08 Richard Henderson <rth@cygnus.com>
9681 * frame.h (ia64_frame_state): Add my_psp.
9682 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
9683 (__throw): Pass it in. Don't clobber r7.
9684 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
9685 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
9686 and nothing to do with sp.
9687 (normalize_reg_loc): Use frame->my_psp.
9688 (frame_translate): Handle frame-pointer-less functions. Set
9689 spill_base correctly, in absence of being told.
9690 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
9691 (__ia64_backtrace_helper): New sp argument. Use
9692 builtin_return_address instead of label addresses.
9693 (print_record) [mem_stack_v]: No size member.
9695 2000-08-08 Richard Henderson <rth@cygnus.com>
9697 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
9699 2000-08-08 Richard Henderson <rth@cygnus.com>
9701 * tm.texi (LOCAL_REGNO): Document.
9702 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
9703 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
9704 * reload1.c (reload): Likewise when considering nonlocal labels.
9706 * config/ia64/ia64.h (LOCAL_REGNO): New.
9707 * config/sparc/sparc.h (LOCAL_REGNO): New.
9709 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9711 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
9713 2000-08-07 Nick Clifton <nickc@redhat.com>
9715 * config/mips/mips.c: Fix compile time warning messages.
9716 * config/mips/mips-protos.h: Add prototype for equality_op.
9718 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
9720 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
9722 * mn10300.md: Use nonimmediate_operand instead of general_operand
9725 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
9727 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
9729 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
9730 * sh.c (expand_block_move): Break long lines.
9731 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
9732 * sh.md (mulsi3): Likewise.
9733 (movdi): Adjust spacing.
9735 2000-08-07 Richard Henderson <rth@cygnus.com>
9737 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
9738 * expr.c (emit_group_store): Don't set it.
9740 2000-08-07 Kazu Hirata <kazu@hxi.com>
9742 * invoke.texi (Options for Debugging Your Program or GCC): Remove
9743 duplicate entries for 'w' and 'z'.
9745 * flow.c: Fix a comment typo.
9747 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9749 * c-parse.in: Changed the language string for Objective-C to "GNU
9752 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9754 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
9755 to improve the Posix thread support for Objective-C.
9757 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
9759 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
9760 CTI_UNSIGNED_PTRDIFF_TYPE.
9761 (signed_size_type_node): Define.
9762 (unsigned_ptrdiff_type_node): Define.
9763 * c-decl.c (init_decl_processing): Create the
9764 signed_size_type_node and unsigned_ptrdiff_type_node types.
9765 * c-common.c (T_SC): Define.
9768 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
9769 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
9771 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
9772 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
9773 flags for %c, %s and %[.
9774 (check_format_info): Only allow leniency for signedness of targets
9775 of character pointers (when pedantic) for formats flagged with
9776 "c", so for strings but not for %hh formats. When pedantic, don't
9777 allow character pointers to substitute for void pointers if a
9778 second level of indirection is present.
9780 2000-08-06 Kazu Hirata <kazu@hxi.com>
9782 * invoke.texi (Options for Debugging Your Program or GCC): Update
9783 the names of dump files.
9785 * h8300.c (dosize): Rearrange code for conciseness.
9786 (split_adds_subs): Likewise.
9788 * loop.c: Fix formatting.
9790 * dwarf2out.c: Fix formatting.
9792 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
9794 * expr.c: Fix formatting.
9796 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9798 * rs6000.c (rs6000_maybe_dead): Prototype.
9800 2000-08-06 Richard Henderson <rth@cygnus.com>
9802 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
9803 HAVE_nonlocal_goto as well.
9804 * config/i960/i960.md (nonlocal_goto): Don't do it here.
9805 * config/pj/pj.md (nonlocal_goto): Likewise.
9807 2000-08-07 Michael Hayes <mhayes@cygnus.com>
9809 * loop.c (try_swap_copy_prop): New function.
9810 (load_mems): Rename copies to load_copies and add new regset
9811 store_copies. Check for sets of shadow registers and mark
9812 in store_copies. Call try_swap_copy_prop for registers
9813 marked in store_copies.
9815 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9817 * objc/objc-act.c: New command line option -fconstant-string-class
9818 to allow specifying a user defined constant string class,
9819 different from NXConstantString.
9821 * toplev.c: Moved the Objective-C specific options to
9822 objc/lang-options.h.
9824 * objc/lang-options.h: Moved the Objective-C specific options from
9825 toplev.c. Added -fconstant-string-class.
9827 2000-08-05 Chris Demetriou <cgd@sibyte.com>
9829 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9830 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
9831 __CTOR_LIST__ from func_ptr array to just func_ptr, to
9832 avoid extra alignment imposed on arrays.
9833 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9834 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
9836 * mips.h: Clean up comments and spacing near MASKs.
9837 (TARGET_UNIX_ASM): Delete.
9838 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
9839 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
9842 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
9844 * c-common.c (print_char_table): Add entries for the X/Open '
9845 format flag (print decimals with locale's thousands grouping
9846 character). Make %C expect wint_t.
9847 (check_format_info): If pedantic, warn when the %n$ operand
9848 number form is used. Allow for the ' flag; warn about it if
9851 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
9853 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
9854 type is a float mode, cfun->decl's return type is not, and
9855 TARGET_FLOAT_RETURNS_IN_80387.
9857 2000-08-04 Andreas Schwab <schwab@suse.de>
9859 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
9860 token list, which are always `#' and `pragma'.
9862 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
9864 * tree.c (tree_expr_nonnegative_p): Move to...
9865 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
9866 (rtl_expr_nonnegative_p): New.
9867 * tree.h: Add prototype for rtl_expr_nonnegative_p.
9869 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
9870 CONST_DOUBLE_CHAIN: Move to...
9871 * rtl.h: ...here. Use XCINT/XCEXP.
9873 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
9874 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
9875 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
9878 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
9880 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9882 * config/c4x/c4x.md (return_indirect_internal): New.
9883 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
9885 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9887 * c-common.c (time_char_table): Mark up formats added in C99 and
9888 make other corrections. %D and %g were added in C99. %Og is an
9889 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
9890 C99. %e was added in C99. %Oj is an extension. %G and %z are in
9891 C99 rather than GNU extensions, but %OG and %Oz are extensions.
9892 %h was added in C99. %C was added in C99. %OY and %OC are
9893 extensions. Add the C99 format %F.
9894 (check_format_info): If pedantic and not in C99 mode, warn for C99
9897 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9899 * function.c (schedule_fixup_var_refs): New function, broken out
9900 of put_reg_into_stack.
9901 (put_reg_into_stack): Use it.
9902 (put_var_into_stack): In CONCAT case, fixup up references for
9903 components only after fixing up references to the whole concat.
9905 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
9907 * alias.c (mark_constant_function): Use INSN_P.
9908 (init_alias_analysis): Likewise.
9909 * combine.c (combine_instructions): Use INSN_P.
9910 (can_combine_p): Likewise.
9911 (try_combine): Likewise.
9912 (distribute_notes): Likewise.
9913 (distribute_links): Likewise.
9914 * cse.c (cse_around_loop): Use INSN_P.
9915 (invalidate_skipped_block): Likewise.
9916 (cse_set_around_loop): Likewise.
9917 (cse_end_of_basic_block): Likewise.
9918 (delete_trivially_dead_insns): Likewise.
9919 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
9920 (unshare_all_rtl_1): Likewise.
9921 (next_cc0_user): Likewise.
9922 (try_split make_insn_raw): Likewise.
9923 (remove_unnecessary_notes): Likewise.
9924 * final.c (shorten_branches): Use INSN_P.
9925 (leaf_renumber_regs): Likewise.
9926 (leaf_renumber_regs_insn): Likewise.
9927 * flow.c (find_label_refs): Use INSN_P.
9928 (verify_wide_reg): Likewise.
9929 (notice_stack_pointer_modification): Likewise.
9930 (count_or_remove_death_notes): Likewise.
9931 (verify_flow_info): Likewise.
9932 (clear_log_links): Likewise.
9933 * function.c (fixup_var_refs_insns): Use INSN_P.
9934 (compute_insns_for_mem): Likewise.
9935 * gcse.c (alloc_gcse_mem): Use INSN_P.
9936 (compute_sets): Likewise.
9937 (compute_hash_table): Likewise.
9938 (classic_gcse): Likewise.
9940 (insert_insn_end_bb): Likewise.
9941 (delete_null_pointer_checks_1): Likewise.
9942 * global.c (expand_preferences): Use INSN_P.
9943 (build_insn_chain): Likewise.
9944 * graph.c (node_data): Use INSN_P.
9945 * haifa-sched.c (priority): Use INSN_P.
9946 (rm_line_notes): Likewise.
9947 (rm_other_notes): Likewise.
9948 (find_insn_reg_weight): Likewise.
9949 (init_target_units): Likewise.
9950 (schedule_block): Likewise.
9951 (compute_block_forward_dependences): Likewise.
9952 (debug_dependencies): Likewise.
9953 (set_priorities): Likewise.
9954 * integrate.c (function_cannot_inline_p): Use INSN_P.
9955 (save_parm_insns): Likewise.
9956 (copy_insn_list): Likewise.
9957 * jump.c (mark_all_labels): Use INSN_P.
9958 (never_reached_warning): Likewise.
9959 * lcm.c (optimize_mode_switching): Use INSN_P.
9960 * local-alloc.c (validate_equiv_mem): Use INSN_P.
9961 (memref_used_between_p): Likewise.
9962 (update_equiv_regs): Likewise.
9963 (block_alloc): Likewise.
9964 (no_conflict_p): Likewise.
9965 * loop.c (scan_loop): Use INSN_P.
9966 (find_and_verify_loops): Likewise.
9967 (count_loop_regs_set): Likewise.
9968 (loop_reg_used_before_p): Likewise.
9969 (strength_reduce): Likewise.
9970 (recombine_givs): Likewise.
9971 (check_dbra_loop): Likewise.
9972 (load_mems): Likewise.
9973 (try_copy_prop): Likewise.
9974 * print-rtl.c (print_rtx): Use INSN_P.
9975 * recog.c (find_single_use): Use INSN_P.
9976 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
9977 (next_flags_user): Likewise.
9978 (swap_rtx_condition): Likewise.
9979 * regmove.c (mark_flags_life_zones): Use INSN_P.
9980 (optimize_reg_copy_1): Likewise.
9981 (optimize_reg_copy_2): Likewise.
9982 (optimize_reg_copy_3): Likewise.
9983 (reg_is_remote_constant_p): Likewise.
9984 (fixup_match_2): Likewise.
9985 (regmove_optimize): Likewise.
9986 (fixup_match_1): Likewise.
9987 * regrename.c (build_def_use): Use INSN_P.
9988 (replace_reg_in_block): Likewise.
9989 (consider_use): Likewise.
9990 * reload.c (find_equiv_reg): Use INSN_P.
9991 * reload1.c (reload): Use INSN_P.
9992 (maybe_fix_stack_asms): Likewise.
9993 (calculate_needs_all_insns): Likewise.
9994 (reload_as_needed): Likewise.
9995 (emit_output_reload_insns): Likewise.
9996 (delete_address_reloads_1): Likewise.
9997 (reload_cse_regs_1): Likewise.
9998 (reload_combine): Likewise.
9999 (reload_cse_move2add): Likewise.
10000 * reorg.c (redundant_insn): Use INSN_P.
10001 (dbr_schedule): Likewise.
10002 * resource.c (find_dead_or_set_registers): Use INSN_P.
10003 (mark_target_live_regs): Likewise.
10004 * rtlanal.c (reg_used_between_p): Use INSN_P.
10005 (reg_referenced_between_p): Likewise.
10006 (reg_set_between_p): Likewise.
10007 (reg_set_p): Likewise.
10008 (single_set): Likewise.
10009 (multiple_sets): Likewise.
10010 (find_last_value): Likewise.
10011 (reg_set_last): Likewise.
10012 (find_reg_note): Likewise.
10013 (find_regno_note): Likewise.
10014 * sibcall.c (sequence_uses_addressof): Use INSN_P.
10015 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
10016 * ssa.c (find_evaluations): Use INSN_P.
10017 (rename_block): Likewise.
10018 (rename_equivalent_regs): Likewise.
10019 * unroll.c (loop_find_equiv_value): Use INSN_P.
10020 (set_dominates_use): Likewise.
10021 * varasm.c (mark_constant_pool): Use INSN_P.
10022 (mark_constants): Likewise.
10023 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
10024 (alphaev4_next_group): Likewise.
10025 (alphaev5_next_group): Likewise.
10026 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
10027 (c4x_rptb_rpts_p): Likewise.
10028 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
10029 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
10030 (rs6000_adjust_priority): Likewise.
10031 * config/sh/sh.c (sh_loop_align): Use INSN_P.
10032 (machine_dependent_reorg): Likewise.
10033 (split_branches): Likewise.
10034 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
10036 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
10038 * combine.c (recog_for_combine): Remove the old notes
10039 prior to attempting to recognize the new pattern.
10040 (distribute_notes): Ignore REG_NONNEG notes.
10042 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
10044 * varasm.c (output_constructor): Add .align 0 for packed vars.
10046 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10048 * configure.in: Use default thread_file even when enable_threads is
10049 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
10050 * configure: Rebuilt.
10052 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
10054 2000-08-04 Donn Terry (donnte@microsoft.com)
10056 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
10058 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
10060 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
10061 Delete code that conditionally modifies 'version'.
10062 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
10063 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
10064 * gcc.c (main): Use it.
10065 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
10066 * prefix.c (update_path): Use it.
10067 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
10068 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
10069 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
10071 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
10072 (SUBTARGET_SWITCHES): Adjust.
10073 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
10075 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
10077 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10079 * c-common.h (flag_isoc94): Declare.
10080 * c-decl.c (flag_isoc94): Define.
10081 (c_decode_option): Set flag_isoc94 as appropriate.
10082 * c-common.c (T_PD, T_IM, T_UIM): Define.
10083 (format_char_info): Add tlen and jlen.
10084 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
10086 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
10088 (time_char_table): Add NULL entries for %t and %j.
10089 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
10090 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
10091 Warn for printf %lf if pedantic and not C99. Don't warn for empty
10092 precision. Allow precision argument to be unsigned int. If
10093 pedantic, warn for %p passed an argument not a pointer to possibly
10094 qualified void or a possibly qualified character type, and for
10095 pointer targets of the wrong sign, except for character pointers.
10097 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10099 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
10100 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
10101 (wint_type_node): Define.
10102 * c-decl.c (WINT_TYPE): Define.
10103 (init_decl_processing): Create the wint_type_node type.
10104 * c-common.c (T_WI): Define.
10105 (print_char_table): Use T_WI for %lc format.
10107 2000-08-04 Bruce Korb <bkorb@gnu.org>
10109 * fixinc/: Verified that the MSDOS patch does not break
10110 the UNIX functionality and applied the next three patches
10113 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
10115 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
10116 output file with the temporary one by appending ".X" to generate
10117 the temporary fuile's name. If the output file already has an
10118 extension, replace it with ".X".
10120 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
10121 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
10122 reallocate the command buffer while copying the command-line
10123 argument. Redirect the output directly to the temporary file,
10124 instead of going through another temporary file.
10125 (process): Close the temporary file before unlinking it.
10126 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
10127 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
10128 (run_compiles): Pass p_fixd argument to machine_matches, as it
10131 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
10132 environment, assume there are no symlinks in the include
10133 directory. When cleaning up the DONE files, look for them
10134 case-insensitively. Don't try to remove symlinks if they aren't
10137 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
10138 all callers changed. Declare pz "const char *", to avoid compiler
10141 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
10142 Change prototype of make_raw_shell_str.
10144 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
10146 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
10147 (initialize) [__MSDOS__]: Use tempnam.
10148 (initialize): Don't use SIGPIPE if it is not defined.
10150 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
10153 2000-07-25 Bruce Korb <bkorb@gnu.org>
10155 * fixinc/fix*.[ch]: substantially reworked to make it possible
10156 to run this program without using fork(2) or pipe(2) (i.e. in
10157 a DOS environment).
10159 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10161 * cppdefault.h (WINT_TYPE): Define.
10162 * cppinit.c (builtin_array): Define __WINT_TYPE__.
10163 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
10164 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
10166 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
10168 * (mips_legitimate_address_p): Don't allow register+offset
10169 if the offset is large and negative, and we are compiling
10170 for 64 bit registers.
10172 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10174 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
10175 insn_code_number + 1.
10177 2000-08-04 Kazu Hirata <kazu@hxi.com>
10179 * h8300.c (function_prologue): Rearrange code for conciseness.
10180 (function_epilogue): Likewise.
10181 * h8300.h (OK_FOR_U): Fix formatting.
10183 * cse.c: Fix a comment typo. Fix formatting.
10185 2000-08-03 Richard Henderson <rth@cygnus.com>
10187 * config/i386/i386.md (return_indirect_internal): New.
10188 * config/i386/i386.c (ix86_expand_epilogue): Use it.
10190 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
10192 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
10194 (lex_line): Glue @ onto the beginning of identifiers and
10195 string constants, in Objective-C mode.
10196 (output_token, spell_token): Handle CPP_OSTRING.
10197 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
10198 beginning of a NAME or a STRING, in objc mode.
10200 * cpplib.c (get_define_node): Do not permit identifiers that
10201 begin with @ to be #defined.
10202 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
10203 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
10205 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
10206 * c-tree.h (build_objc_string): Delete prototype.
10207 * objc/objc-tree.def: Delete OBJC_STRING_CST.
10208 * c-lex.c (yylex): Use build_string for all three kinds of strings.
10210 * c-parse.in, objc/objc-act.c: Update commentary.
10212 2000-08-03 Mark Mitchell <mark@codesourcery.com>
10214 * extend.texi: Fix typo in last change.
10216 * extend.texi: Add commentary on statement-expressions and their
10217 interactions with C++.
10219 2000-08-03 Nick Clifton <nickc@cygnus.com>
10221 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
10222 * dwarf.h (LANG_JAVA): Change value to 0x000b.
10224 2000-08-03 Anthony Green <green@cygnus.com>
10226 * dwarf2out.c (gen_compile_unit_die): Add java language support.
10227 (add_bound_info): Check for java language.
10228 (is_java): New function.
10229 * dwarfout.c (output_compile_unit_die): Ditto.
10230 * dwarf.h (dwarf_source_language): Add java source language type.
10231 * dwarf2.h (dwarf_source_language): Ditto.
10233 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10235 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
10238 * i386.c (ix86_expand_branch): Mode of comparison in
10239 IF_THEN_ELSE is VOIDmode.
10241 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
10243 * gengenrtl.c, rtl.c: Avoid #elif.
10245 2000-08-03 Michael Poole <poole@troilus.org>
10247 * tm.texi (Register Classes): Clarify order of sub-initializers
10248 in REG_CLASS_CONTENTS.
10250 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10252 From SAITOH Masanobu:
10253 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
10255 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
10257 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
10258 is not supported by tradcpp and isn't actually needed for cygwin.
10260 2000-08-03 Kazu Hirata <kazu@hxi.com>
10262 * h8300.c: Fix a comment typo.
10263 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
10265 * jump.c: Fix formatting.
10267 * toplev.c: Fix formatting.
10269 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
10271 * flow.c (find_auto_inc): Verify that we've got a REG before
10272 peeking at its regno. Fail, don't abort if we can't find
10273 the increment of the desired register.
10275 * pa.md (shadd height reduction patterns/splitters): Remove.
10277 2000-08-02 Jim Wilson <wilson@cygnus.com>
10279 * config/ia64/ia64-protos.h (flag_ssa): Declare.
10280 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
10282 2000-08-02 Mark Mitchell <mark@codesourcery.com>
10284 * dce.c: Remove all uses of assert.
10285 * dwarf2out.c: Likewise.
10286 * dwarfout.c: Likewise.
10289 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10291 * gcc.h (lang_specific_driver): Constify second argument.
10292 * gcc.c (translate_options, process_command, main): Likewise.
10293 Constify variables to match. Cast second argument to
10296 * cppspec.c, gccspec.c: Adjust type of second argument to
10297 lang_specific_driver, and update code as necessary.
10299 2000-08-02 Jakub Jelinek <jakub@redhat.com>
10301 * loop.c (scan_loop): Ensure update_end label does not
10302 go away until reg_scan_update is run.
10304 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10306 * c-common.h: Prototype min_precision and c_build_qualified_type here...
10307 * c-tree.h: ... not here.
10308 * errors.h: Prototype fancy_abort.
10310 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
10311 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
10312 * regrename.c (regrename_optimize): Make control flow explicit.
10313 (replace_reg_in_block): Initialize reg_use to 0.
10315 * i386.c (legitimate_address_p): Rename error label to
10316 report_error to avoid namespace clash.
10318 2000-08-02 Kazu Hirata <kazu@hxi.com>
10320 * fold-const.c: Fix formatting.
10322 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
10324 * i386.c (legitimate_address_p): Accept other bases than
10325 pic_offset_table_rtx for GOTOFF constructs.
10327 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10329 * i386.md (shift to lea splitter): Use const_int_operand.
10331 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10333 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
10334 cppspec.c: Do not use 'legal' or 'illegal' in error messages
10337 * cppmain.c (cb_define, cb_undef): Don't generate any output
10338 if not done_initializing.
10339 * cpplex.c (maybe_paste_with_next): When the token after a ##
10340 is an omitted rest argument, only delete the token before it
10341 if that token is a comma. Do not warn about bogus token
10342 pastes for , ## rest_arg.
10344 * cpp.texi: Update.
10345 * cpp.1: Regenerate.
10347 2000-08-02 Fred Fish <fnf@be.com>
10349 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
10350 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
10353 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
10354 Be directories to search path.
10356 Remove support for __declspec(dllimport) and __declspec(dllexport).
10357 This is leftover cruft from the earlier BeOS gcc port when BeOS
10358 used Microsoft's PE object file format.
10359 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
10360 * config/i386/t-beos (winnt.o): Remove Makefile frag.
10361 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
10362 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
10363 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
10364 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
10365 (REDO_SECTION_INFO_P): Remove.
10366 (ASM_EXPORT_DECL): Remove.
10367 (ASM_DECLARE_FUNCTION_NAME): Remove.
10368 (ASM_DECLARE_OBJECT_NAME): Remove.
10369 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
10370 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
10371 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
10372 (STRIP_NAME_ENCODING): Remove.
10374 Remove support for obsolete version of BeOS that is no longer
10376 * configure.in (i*86-*-beospe*): Remove.
10377 * config/i386/beos-pe.h: Remove.
10379 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
10380 Mark Mitchell <mark@codesourcery.com>
10382 * Makefile.in (OBJS): Added dce.o.
10383 (ssa.o): Updated target to include ssa.h.
10384 (flow.o): Likewise.
10385 (toplev.o): Likewise.
10386 (dce.o): Created target.
10387 * basic-block.h: Added comments.
10388 (INVALID_BLOCK): Added definition.
10389 (connect_infinite_loops_to_exit): Added declaration.
10390 Moved SSA declarations to ssa.h.
10391 * flow.c: Added inclusion of ssa.h.
10392 (struct depth_first_search_dsS, depth_first_search_ds):
10394 (compute_immediate_postdominators): Added definition.
10395 (connect_infinite_loops_to_exit): Likewise.
10396 (flow_dfs_compute_reverse_init): Likewise.
10397 (flow_dfs_compute_reverse_add_bb): Likewise.
10398 (flow_dfs_compute_reverse_execute): Likewise.
10399 (flow_dfs_compute_reverse_finish): Likewise.
10400 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
10401 (LABEL_P): Added definition.
10402 (JUMP_P): Likewise.
10403 (NOTE_P): Likewise.
10404 (BARRIER_P): Likewise.
10405 (JUMP_TABLE_DATA_P): Likewise.
10406 (INSN_DEAD_CODE_P): Likewise.
10407 * ssa.c: Replaced inclusions with ssa.h inclusion.
10408 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
10409 (rename_registers): Removed unnecessary variables.
10410 * ssa.h: Created by moving declarations from ssa.c and
10412 * timevar.def: Defined TV_DEAD_CODE_ELIM.
10413 * toplev.c: Added ssa.h inclusion.
10414 (dump_file_index): Added DFI_dce.
10415 (dump_file): Added "dce" entry.
10417 (f_options): Added dce entry.
10418 * invoke.texi: Document -fdce. Emphasize experimental status of
10422 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
10424 * cpperror.c (v_message): Split into _cpp_begin_message and
10425 v_message macro. All callers updated.
10426 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
10429 * cppfiles.c (cpp_syshdr_flags): New function.
10430 (read_include_file): Don't call cpp_output_tokens. Call
10432 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
10433 (cpp_reader_init): Don't initialize token_buffer. Call
10434 _cpp_init_internal_pragmas.
10435 (cpp_cleanup): Don't clear token_buffer.
10436 (cpp_start_read): Don't worry about output from -D processing.
10437 Don't call cpp_output_tokens.
10438 (cpp_finish): Don't dump macros here. Don't call
10440 * cppmacro.c (_cpp_dump_definition): Rename
10441 cpp_dump_definition. Write directly to a FILE *.
10442 (dump_funlike_macro): Delete.
10443 (dump_macro_args): New.
10445 * cpplex.c (TOKEN_LEN): Convert to inline function.
10446 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
10447 cpp_scan_line, _cpp_dump_list): Delete.
10448 (cpp_printf, cpp_output_list): New.
10449 (output_line_command): Don't worry about entering or leaving files.
10450 (cpp_scan_buffer): Just output each token as we hit it.
10451 (process_directive): Don't call cpp_output_tokens.
10452 (_cpp_glue_header_name): Don't use token_buffer.
10453 (output_token, dump_param_spelling): Write directly to a FILE *.
10455 * cpplib.c (pass_thru_directive, dump_macro_name,
10456 pragma_dispatch, do_pragma_gcc): Delete.
10457 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
10458 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
10460 (do_error, do_warning, pragma_dependency): Call
10461 _cpp_begin_message, then cpp_output_list.
10462 (cpp_register_pragma, cpp_register_pragma_space,
10463 _cpp_init_internal_pragmas): New.
10464 (do_pragma): Walk the pragmas table here.
10465 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
10466 do_pragma_dependency): Return void.
10467 (do_pragma_implementation): Moved to cppmain.c.
10469 * cpplib.h: Update prototypes.
10470 (struct cpp_reader): Remove printer, token_buffer,
10471 token_buffer_size, and limit. Add struct cb, and pragmas.
10472 (struct cpp_printer): Remove last_id and written.
10473 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
10474 CPP_ADJUST_WRITTEN): Delete.
10475 * cpphash.h: Update prototypes.
10476 (ufputs): New wrapper.
10478 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
10479 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
10480 (main): Set up callbacks. Register #pragma implementation.
10481 Dump macros from here.
10483 2000-08-01 Geoff Keating <geoffk@cygnus.com>
10485 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
10486 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
10487 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
10488 insns if they have a REG_MAYBE_DEAD note attached.
10489 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
10490 (rs6000_emit_load_toc_table): TOC loads may go dead.
10492 2000-08-01 Jim Wilson <wilson@cygnus.com>
10494 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
10495 type exists before using it. Use number of words as alignment
10497 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
10498 ia64_va_arg): Propagate ia64_function_args changes here.
10500 2000-08-01 Richard Henderson <rth@cygnus.com>
10502 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
10503 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
10505 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
10507 From Joern Rennecke:
10508 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
10509 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
10510 unless TARGET_SH3E is set.
10511 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
10513 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
10514 (ashlsi3_std): New pattern.
10515 (ashlsi3 expander): Use it for TARGET_SH3.
10516 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
10518 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10520 * loop.c (canonicalize_condition): Use destination, not source to
10521 determine SET's mode.
10523 2000-07-31 Mark Mitchell <mark@codesourcery.com>
10525 * flow.c (clear_log_links): Fix typo.
10527 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
10529 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
10530 on targets which need more than one insn for a compare/cbranch
10533 2000-07-31 Jim Wilson <wilson@cygnus.com>
10535 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
10536 when computing offset.
10538 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
10540 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
10542 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10544 * flow.c (clear_log_links): Nuke global_live_at_start and
10545 global_live_at_end data, since if the log_links stuff is invalid
10546 so is global_live_at_*.
10548 2000-07-31 Richard Henderson <rth@cygnus.com>
10550 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
10552 2000-07-31 Jakub Jelinek <jakub@redhat.com>
10554 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
10555 (_cpp_get_token): Don't macro expand a just pasted token if it
10556 was pasted at no_expand_level.
10558 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10560 * cppmacro.c (find_param, count_params, save_expansion):
10561 Permit 'defined' as a macro parameter name.
10563 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10565 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
10566 xcpp to cpp throughout.
10567 (native): Remove unnecessary dependency on cpp.
10569 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
10570 tradcpp to tradcpp0.
10571 (.i spec): Add missing output-file spec to cc1 command line.
10572 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
10574 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10576 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
10577 (implicit_decl_warning): New function.
10578 (implicitly_declare): Use it.
10579 * c-typeck.c (build_external_ref): Use implicit_decl_warning
10580 to complain about implicit decls of builtins.
10582 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
10583 based on pedantic && flag_isoc99, if not already set.
10584 * c-tree.h: Declare mesg_implicit_function_declaration.
10585 Prototype implicit_decl_warning.
10587 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
10589 * Makefile.in (ssa.o): Updated header files in dependences.
10590 * basic-block.h: Added compute_immediate_postdominators declaration.
10591 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
10593 * flow.c (compute_immediate_dominators): Updated comment.
10594 (compute_immediate_postdominators): Added definition.
10595 * rtl.h (HARD_REGISTER_P): Added definition.
10596 * ssa.c: Include additional header files.
10597 (assert): Added definition.
10598 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
10599 include select hard registers.
10600 (ssa_rename_to_insert): Likewise.
10601 (ssa_rename_from_initialize): Likewise.
10602 (ssa_rename_from_lookup): Likewise.
10603 (original_register): Likewise.
10604 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
10605 include select hard reigsters.
10606 (ssa_rename_from_traverse): Likewise.
10607 (ssa_rename_from_free): Likewise.
10608 (ssa_rename_from_print): Likewise.
10609 (ssa_rename_from_print_1): Likewise.
10610 (ssa_rename_from_hash_function): Likewise.
10611 (ssa_rename_from_equal): Likewise.
10612 (ssa_rename_from_delete): Likewise.
10613 (simplify_to_immediate_dominators): Removed in favor of
10614 flow.c:compute_immediate_dominators.
10615 (find_evaluations_1): Modified to work with hard registers.
10616 (insert_phi_node): Likewise.
10617 (insert_phi_nodes): Likewise.
10618 (struct rename_set_data): Updated prev_reg comment.
10619 (create_delayed_rename): Modified to work with hard registers.
10620 (RENAME_NO_RTX): Updated comment.
10621 (apply_delayed_renames): Modified to work with hard registers.
10622 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
10623 (rename_block): Updated to use revised ssa_rename_to interface.
10624 (rename_registers): Updated to use revised ssa_rename_to and
10625 ssa_rename_from interface.
10626 (convert_to_ssa): Revised to use compute_immediate_dominators and
10627 deal with hard registers.
10628 (make_regs_equivalent_over_bad_edges): Modified to work with hard
10629 registers. Added check for illegal unification of hard register.
10630 (make_equivalent_phi_alternatives_equivalent): Modified to work
10631 with hard registers.
10632 (compute_conservative_reg_partition): Likewise.
10633 (coalesce_if_unconflicting): Modified to work with hard registers
10634 and check for conflicting hard registers.
10635 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
10637 (rename_equivalent_regs_in_insn): Modified to work with hard
10639 (record_canonical_element_1): Added definition.
10640 (check_hard_regs_in_partition): Added definition.
10641 (convert_from_ssa): Added data structure deallocation and check
10642 for illegal hard register unification.
10643 (conflict_hard_regs_p): Added definition.
10644 * toplev.c (rest_of_compilation): Added comment.
10646 2000-07-31 Anthony Green <green@redhat.com>
10648 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
10650 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
10652 * builtins.c (expand_builtin_apply): Don't defer pop during
10655 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10657 * calls.c (combine_pending_stack_adjustment_and_call): Only use
10658 preferred_unit_stack_boundary when it is > 1.
10660 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
10662 * c-common.c (init_function_format_info): Add C99 format functions
10665 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
10666 void' or 'register void' as being the special case of 'void' alone
10667 in a parameter list.
10669 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
10670 discarding qualifiers into a plain warning.
10672 2000-07-31 Kazu Hirata <kazu@hxi.com>
10674 * combine.c: Fix formatting.
10676 * h8300.md: Fix formatting.
10678 * local-alloc.c: Fix formatting.
10680 * h8300.c (get_shift_alg): Remove the variable alg.
10681 (emit_a_shift): Rearrange code to improve readability.
10683 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
10685 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
10686 HImode on all architectures and a combination of HImode and SImode
10687 on H8/300H and H8/S.
10689 * h8300.c (split_adds_subs): Rearrange code for conciseness.
10691 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
10693 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
10694 in my last checkin.
10696 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10698 * recog.c (extract_insn): Set operand_mode according to
10699 operand if match_operand is VOIDmode.
10701 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
10703 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
10705 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10707 * c-parse.in (extdefs): Call ggc_collect between external
10710 2000-07-30 Michael Hayes <mhayes@cygnus.com>
10711 Richard Henderson <rth@cygnus.com>
10713 * Makefile.in (OBJS): Add doloop.o.
10714 * doloop.c: New file.
10716 * final.c (insn_current_reference_address): Return 0 before final.
10717 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
10718 * jump.c (any_uncondjump_p): Likewise.
10719 * loop.c (indirect_jump_in_function): Make static.
10720 (strength_reduce): Call doloop_optimize.
10721 (insert_bct, instrument_loop_bct): Remove.
10722 * loop.h (doloop_optimize): Prototype.
10723 * recog.c (split_all_insns): Split all INSN_P.
10724 * toplev.c (flag_branch_on_count_reg): Default on.
10726 * config/c4x/c4x.c (c4x_optimization_options): Don't set
10727 flag_branch_on_count_reg.
10728 * config/i386/i386.c (override_options): Likewise.
10729 * config/rs6000/rs6000.c (optimization_options): Likewise.
10731 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
10733 (dbra_ge): Remove, as well as all it's splitters.
10735 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
10738 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
10739 (ia64_register_move_cost): Declare.
10740 * config/ia64/ia64.c (ar_lc_reg_operand): New.
10741 (struct ia64_frame_info): Add ar_size.
10742 (ia64_compute_frame_size): Set it.
10743 (save_restore_insns): Save and restore ar.lc.
10744 (ia64_register_move_cost): New, moved from header file. Handle
10745 application registers.
10746 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
10747 (emit_insn_group_barriers): Special case doloop_end_internal.
10748 (ia64_epilogue_uses): Mark ar.lc live at end.
10749 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
10750 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
10751 (FIRST_PSEUDO_REGISTER): Make room.
10752 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
10753 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
10754 (REG_ALLOC_ORDER): Update.
10755 (HARD_REGNO_MODE_OK): Update.
10756 (REGISTER_NAMES): Update.
10757 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
10758 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
10759 (REGNO_REG_CLASS): Update.
10760 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
10761 (REGISTER_MOVE_COST): Move out of line.
10762 (PREDICATE_CODES): Update.
10763 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
10764 (addsi3_plus1_alt, adddi3_plus1_alt): New.
10765 (shladd_elim splitter): Allow constants in the predicate.
10766 (doloop_end, doloop_end_internal): New.
10768 2000-07-30 Richard Henderson <rth@cygnus.com>
10770 * genattrtab.c (struct insn_def): Add lineno member.
10771 (struct insn_ent): Likewise.
10772 (struct attr_desc): Likewise.
10773 (struct delay_desc): Likewise.
10774 (struct function_unit_op): Likewise.
10775 (struct function_unit): Likewise.
10776 (check_attr_value): Use message_with_line.
10777 (check_defs): Likewise.
10778 (expand_units): Likewise.
10779 (check_attr_test): Take a lineno argument.
10780 (gen_attr): Likewise.
10781 (gen_insn): Likewise.
10782 (gen_delay): Likewise.
10783 (gen_unit): Likewise.
10784 (main): Give it to them.
10785 (convert_set_attr_alternative): Take an insn_def argument
10786 instead of num_alt and insn_index.
10787 (convert_set_attr): Likewise.
10788 (write_test_expr): Protect INSN_ADDRESSES load
10789 with INSN_ADDRESSES_SET_P.
10791 2000-07-30 Richard Henderson <rth@cygnus.com>
10793 * flow.c (init_propagate_block_info): Use pc_set.
10795 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10797 * i386.md (*lea_general_[123]) New insns and splits.
10798 (addsi3 to lea splitter): Handle other modes too.
10799 (shlsi3 to lea splitter): Likewise.
10800 (addhi_1_lea, shlhi_1_lea): New patterns.
10801 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
10803 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10805 * recog.c (general_operand, nonimmediate_operand): Accept
10806 any mode for VOIDmode CONSTANT_P operands.
10808 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10810 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
10811 instead of replace_rtx.
10812 * recog.c (validate_replace_rtx_subexp): New function.
10813 * recog.h (validate_replace_rtx_subexp): Declare.
10815 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10817 * combine.c (simplify_set, make_extraction, make_compound_operation
10818 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
10819 as force_to_mode argument.
10821 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
10823 * combine.c (if_then_else_cond): Be sure that mode fits in
10826 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
10828 * combine.c (record_promoted_value): Allow bitsize of mode
10829 to be equivalent to HOST_BITS_PER_WISE_INT.
10831 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10833 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
10834 Do not call gen_mode_alignment when mode is BLKmode.
10836 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
10838 * loop.c (express_from_1): Fix call of simplify_gen_binary.
10840 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
10842 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
10843 VOIDmode implies both operands to be VOIDmode.
10844 (simplify_ternary_operation): Compute properly the mode of comparison.
10845 * combine.c (combine_simplify_rtx): Likewise.
10847 2000-07-25 Michael Hayes <mph@paradise.net.nz>
10849 * basic-block.h (struct loops): New field rc_order.
10850 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
10851 (flow_loops_free): Free rc_order.
10852 (flow_depth_first_order_compute): New parameter rc_order.
10853 (flow_loops_find): Allocate rc_order and swap usage with
10856 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10857 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10859 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
10860 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
10861 (nodb_call, return_from_epilogue): Likewise.
10862 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
10863 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
10864 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
10865 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10866 (c4x_valid_type_attribute_p): Likewise.
10867 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
10868 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
10870 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10872 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
10873 and loadhi_big_constant if applicable.
10874 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
10875 and add new splitter.s
10877 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10879 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
10881 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10883 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
10885 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10887 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
10889 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10891 * config/c4x/libgcc.S (divqf3): Improve accuracy.
10893 2000-07-27 Mark Mitchell <mark@codesourcery.com>
10895 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
10896 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
10897 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
10898 (get_prev_bb_note): Likewise.
10899 (remove_scope_notes): Likewise.
10900 * flow.c (commit_one_edge_insertion): Likewise.
10901 (merge_blocks_nomove): Likewise.
10902 (verify_flow_info): Likewise.
10903 * gcse.c (insert_insn_end_bb): Likewise.
10904 * reg-stack.c (emit_swap_insn): Likewise.
10905 * ssa.c (first_insn_after_basic_block_note): New function.
10906 (insert_phi_node): Use it.
10907 (rename_block): Likewise.
10908 (eliminate_phi): Likewise.
10909 (make_regs_equivalent_over_bad_edges): Likewise.
10910 (make_equivalent_phi_alternatives_equivalent): Likewise.
10911 (for_each_successor_phi): Likewise.
10912 (convert_from_ssa): Modify phi-node deletion algorithm.
10914 2000-07-29 Andreas Jaeger <aj@suse.de>
10916 * configure.in (mips*-*-linux*): Use mips*el to check for little
10917 endian MIPS, add tmake_file.
10919 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
10920 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
10921 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
10923 2000-07-28 Richard Henderson <rth@cygnus.com>
10925 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
10926 Sign extend mode size before negating.
10928 2000-07-28 Richard Henderson <rth@cygnus.com>
10930 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
10932 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
10934 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
10935 (cse_insn): Likewise.
10936 (addr_affects_sp_p): Likewise.
10937 * expr.c (move_by_pieces): Likewise.
10938 (clear_by_pieces): Likewise.
10939 * gcse.c (oprs_unchanged_p): Likewise.
10940 * haifa-sched.c (sched_analyze_2): Likewise.
10941 * recog.c (offsettable_address_p): Likewise.
10942 * regclass.c (record_address_regs): Likewise.
10943 * reload.c (find_reusable_reload): Likewise.
10944 (push_reload): Likewise.
10945 (operands_match_p): Likewise.
10946 (decompose): Likewise.
10947 (find_reloads_address_1): Likewise.
10948 (find_inc_amount): Likewise.
10949 * reload1.c (elimination_effects): Likewise.
10950 * resource.c (mark_set_resources): Likewise.
10951 * flow.c (attempt_auto_inc): New function; mostly broken out
10953 (find_auto_inc): Split into two functions and enhanced to
10954 generate POST_MODIFY.
10955 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
10956 * rtl.h (count_all_occurrences): Declare.
10957 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
10959 * rtlanal.c (count_all_occurrences): New function.
10960 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
10961 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
10963 * config/ia64/ia64-protos.h (destination_operand): Declare.
10964 * config/ia64/ia64.c (destination_operand): New function.
10965 (ia64_print_operand): Handle POST_MODIFY.
10966 (rtx_needs_barrier): Likewise.
10967 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
10968 (HAVE_POST_MODIFY_REG): Define to 1.
10969 (MAX_REGS_PER_ADDRESS): Change to 2.
10970 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
10971 (LEGITIMATE_ADDRESS_REG): New helper macro.
10972 (LEGITIMATE_ADDRESS_DISP): Likewise.
10973 (PREDICATE_CODES): Add entry for destination_operand.
10974 * config/ia64/ia64.md (all mov patterns): Use destination_operand
10975 predicate for operand 0.
10977 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10979 * dwarf2out.c: Indent #error directive.
10981 * gbl-ctors.h: Fix typo in comment.
10982 (__do_global_ctors): Prototype.
10984 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10986 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10987 (print_operand): Initialize variable `t'.
10989 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10991 * config/arm/arm.md ("call_value"): removed constraints.
10992 Constraints are ignored in expanders.
10993 (*call_value_reg): split =rf into various constraints.
10994 (*call_value_mem): same
10995 (*call_value_symbol): same
10996 (*sibcall_value_insn): same
10998 2000-07-28 Philipp Thomas <pthomas@suse.de>
11000 * install.texi (--enable-nls): Change the description of the NLS
11001 related configure options to match the current state.
11002 (--with-included-gettext): Likewise.
11003 (--enable-maintainer-mode): New description added.
11004 * extend.texi (-fstrict-prototype): Add missing '.'.
11006 2000-07-27 Jim Wilson <wilson@cygnus.com>
11008 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
11009 DECL_INITIAL (decl) == NULL_TREE.
11011 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
11013 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
11014 on insn-attr.h with it.
11015 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
11016 * insn-addr.h: New header.
11017 (insn_addresses_): Renamed from insn_addresses.
11018 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
11019 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
11020 INSN_ADDRESSES_NEW): New macros.
11021 * genattrtab.c (write_test_expr): Use new macros.
11022 * final.c (insn_addresses, init_insn_lengths): Likewise.
11023 (align_fuzz, shorten_branches): Likewise.
11024 (final): Likewise. Do not reject new insns if their addresses
11025 have been added to INSN_ADDRESSES.
11026 * config/arm/arm.c, config/avr/avr.c: Use new macros.
11027 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
11028 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
11029 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
11030 * config/sh/sh.c: Likewise.
11031 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
11033 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
11035 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
11037 * gcc.c (struct prefix_list): Add member priority.
11038 (enum path_prefix_priority): Declare.
11039 (add_prefix): Replace ``first'' with ``priority''. Append new
11040 entry but keep list in priority order.
11041 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
11042 PREFIX_PRIORITY_LAST to add_prefix.
11043 (process_command): Move include kludge - foo/stageN - to before
11046 2000-07-27 Jason Merrill <jason@redhat.com>
11048 * dwarf2out.c (gen_typedef_die): Abort if we get identical
11049 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
11051 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
11053 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
11054 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
11056 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
11058 * c-decl.c (finish_function): Don't treat 'main' specially unless
11059 flag_hosted. In C99 mode, return 0 from 'main' unless
11060 DEFAULT_MAIN_RETURN is otherwise defined.
11062 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
11063 parameters defaulting to int in an old-style function definition.
11065 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11067 * c-parse.in (string): For -Wtraditional, warn about string
11068 concatenation only once per line.
11070 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
11072 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
11073 for HI-UX/WE2 systems.
11075 2000-07-24 Bruce Korb <bkorb@gnu.org>
11077 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
11078 defining the __xxx_TYPE__ macros.
11079 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
11080 * fixincl/fixlib.h: don't need to include "tm.h" anymore
11081 * fixincl/inclhack.def(type_map): now obsolete
11083 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
11085 * cpp.texi: Append a trailing full-stop to xrefs where needed.
11087 2000-07-26 Dave Pitts <dpitts@cozx.com>
11089 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
11091 (mvs_hash_alias): New function.
11092 (mvs_add_alias): Change argument spacing.
11093 (mvs_need_alias): Change aliasing criteria. Added documentation.
11094 (mvs_get_alias): Change to use hashed name. The hashed name prevents
11095 CSECT name collisions.
11096 (mvs_check_alias): Likewise.
11097 (handle_pragma): Change documentation.
11098 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
11099 mode from SImode to DImode.
11100 (iorhi3): Changed LTORG size for insn.
11102 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
11104 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
11105 mem if the address is a mode_dependent_address_p.
11107 2000-07-26 Kazu Hirata <kazu@hxi.com>
11109 * h8300.c (print_operand): Print ":8" when the 'R' operand is
11110 suitable for 8-bit absolute.
11111 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
11112 (OK_FOR_U): Add a case for the 8-bit constant address on the
11115 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
11117 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
11118 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
11119 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
11120 lack of implemented alignment.
11122 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
11124 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
11125 cross-compiling between 64-bit and 32-bit machines.
11127 2000-07-27 Richard Henderson <rth@cygnus.com>
11129 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
11130 (movhicc_astep, movhi_internal_astep): New.
11131 (movsicc_astep, movsi_internal_astep): New.
11132 (movdicc_astep, movdi_internal_astep): New.
11133 (movsfcc_astep, movsf_internal_astep): New.
11134 (movdfcc_astep, movdf_internal_astep): New.
11135 (movxfcc_astep, movxf_internal_astep): New.
11136 (cmovdi_internal_astep, cmovsi_internal_astep): New.
11137 Unify the cmov[ds]i splitters.
11139 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
11141 * real.c (asctoeg): Rename `error' label to unexpected_char_error
11143 2000-07-26 Nick Clifton <nickc@cygnus.com>
11145 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
11146 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
11148 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
11149 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
11151 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
11153 * c-decl.c (finish_enum): Convert enumerations that fit in an
11155 (build_enumerator): In pedantic mode, cast to `int' those that
11158 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
11160 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
11162 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11164 * sh.md (cmpgtdi_t): Must be split.
11165 (cmpgtdi_t+1): New splitter.
11167 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
11169 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
11170 warnings for indented directives even if we are skipping.
11172 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
11174 * invoke.texi (strict-prototypes): Remove.
11175 * extend.texi (Deprecated Features): Add strict-prototypes.
11176 (Backwards Compatibility): New node.
11178 2000-07-25 Jakub Jelinek <jakub@redhat.com>
11180 * config/i386/i386.md (andsi_1+1): Allow HImode.
11181 (andsi_1+2): Require q_regs_operand.
11183 2000-07-25 Jakub Jelinek <jakub@redhat.com>
11185 * config/i386/i386.md (call_pop): Check operands[0],
11186 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
11188 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
11189 (call_value): Likewise.
11191 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
11193 * toplev.c (pipe_closed): Delete.
11194 (crash_signal): New. Generate ICE for a fatal signal.
11195 (float_signal): Call crash_signal outside a float-handler
11197 (main): Install crash_signal as handler for core-dumping signals.
11199 2000-07-25 David Edelsohn <edelsohn@gnu.org>
11201 * rs6000.c (print_operand, case 'T'): New case.
11203 * rs6000.md (call_indirect_aix32): Convert to expander of
11204 scheduled instructions.
11205 (call_indirect_aix64): Likewise.
11206 (call_value_indirect_aix{32,64}): Likewise.
11207 (call, call_value): Invoke expanders for AIX. Fall through to
11209 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
11210 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
11211 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
11212 only "g" constraint.
11213 (call_nonlocal_aix64): Likewise.
11214 (call_value_nonlocal_aix{32,64}): Likewise.
11215 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
11217 (call_value_nonlocal_sysv): New pattern.
11218 (indirect_jump{si,di}): Use new 'T' modifier.
11219 (tablejump{si,di} matchers): Likewise.
11220 (return_internal_{si,di}): Likewise.
11221 (return_eh_{si,di}): Likewise.
11223 2000-07-24 Richard Henderson <rth@cygnus.com>
11225 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
11226 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
11227 * config/ia64/ia64.md (movdi_internal): Use it.
11229 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
11231 * cppexp.c: Warn about unary + if -Wtraditional.
11232 * cpplex.c (lex_line): Always set BOL on the first token of a line.
11234 2000-07-24 Michael Meissner <meissner@redhat.com>
11236 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
11239 2000-07-24 Nick Clifton <nickc@cygnus.com>
11241 * config/arm/arm.c (emit_multi_reg_push): Generate a
11242 REG_FRAME_RELEATED_NOTE that is compatable with the code in
11243 dwarf2out_debug_frame_expr.
11245 2000-07-24 Jason Merrill <jason@redhat.com>
11247 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
11248 UNALIGNED_INT_ASM_OP.
11249 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
11250 a location expression.
11251 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
11252 assume indirect access if we're saving the CFA address exactly.
11254 * Makefile.in (bootstrap): Move -BstageN/ to the end.
11256 2000-07-24 Jakub Jelinek <jakub@redhat.com>
11258 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
11261 2000-07-24 Michael Meissner <meissner@redhat.com>
11263 * invoke.texi (D30V Options): Add d30v options.
11265 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
11267 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
11268 needed by our gcse pass anymore.
11269 (free_pre_mem): Corresponding changes.
11270 (compute_pre_data): Do not call compute_transpout anymore.
11272 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
11273 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
11276 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
11277 (compute_pre_data): Do it here instead.
11279 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
11281 (pre_delete): Corresponding changes.
11283 2000-07-23 Mark Mitchell <mark@codesourcery.com>
11285 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
11286 to figure out whether or not a variable has already been emitted.
11288 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
11290 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
11291 instead of gen_call.
11293 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
11295 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
11297 2000-07-23 Kazu Hirata <kazu@hxi.com>
11299 * h8300.c: Fix formatting.
11301 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
11303 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
11304 for `long' switch expression into a plain warning.
11306 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
11307 (yylex): Don't pedwarn for "inline" in C99 mode.
11309 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
11311 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
11312 ggc_alloc): Likewise.
11313 * bb-reorder.c (dump_scope_forest_1): Likewise.
11315 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
11317 * reload.c (find_reloads_toplev): Add new parameter
11318 "address_reloaded".
11319 (find_reloads): Add new parameter to find_reloads_toplev calls.
11321 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
11323 * collect2.c (main): Typo fixed.
11324 * diagnostic.c: Typo fixed.
11325 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
11326 * eh-common.h: Typo fixed.
11327 * emit-rtl.c (start_sequence): Typo fixed.
11328 * flow.c (find_label_refs): Typo fixed.
11329 (calculate_global_regs_live): Typo fixed.
11330 (mark_regno_cond_dead): Typo fixed.
11331 (create_edge_list): Typos fixed.
11332 (verify_edge_list): Typo fixed.
11333 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
11334 * loop.c (strength_reduce): Typo in function name fixed.
11335 * rtl.h: Added comments. Typo in function name fixed.
11336 * rtlanal.c: Typo in function name fixed.
11337 (insn_dependant_p): Rename to ...
11338 (insn_dependent_p): ... this.
11339 (computed_jumo_p): Typo fixed.
11341 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11343 * system.h (__FUNCTION__): Wrap definition in #ifndef.
11345 2000-07-21 David Edelsohn <edelsohn@gnu.org>
11347 * rs6000.h (SIZE_TYPE): Define.
11349 2000-07-21 Mark Mitchell <mark@codesourcery.com>
11351 * ssa.c (rename_insn_1): Don't rename registers that are
11354 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
11356 * diagnostic.c (trim_filename, fancy_abort): Moved here from
11358 (fatal_function, set_fatal_function): Removed.
11359 (fatal): Don't prepare for or call the fatal_function.
11360 (diagnostic_lock, error_recursion): New.
11361 (diagnostic_for_decl, report_diagnostic): Guard against
11362 re-entering the error reporting routines.
11363 (fancy_abort): Assume function is not NULL.
11365 * errors.c (fancy_abort): New. Assume function is not NULL.
11366 * tradcpp.c (fancy_abort): Assume function is not NULL.
11368 * system.h: Provide default definition of __FUNCTION__.
11369 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
11370 Always use __FUNCTION__ in definition of abort.
11371 * tree.h: Likewise.
11372 * varray.h: Likewise.
11373 * toplev.h: Likewise. Don't prototype set_fatal_function.
11375 2000-07-20 Geoff Keating <geoffk@cygnus.com>
11377 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
11379 * glimits.h: Don't do #if defined for ARCH_PPC.
11381 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
11382 constants of size no larger than a pointer should go in the TOC.
11383 Add 'MODE' parameter.
11384 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
11385 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
11386 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
11387 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
11388 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
11389 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
11390 (rs6000_legitimize_address): Likewise.
11391 (rs6000_emit_move): Likewise.
11392 (rs6000_select_rtx_section): Likewise.
11393 (output_toc): Deal properly with outputting small constants like
11394 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
11395 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
11396 MODE parameter. Put small constants in the TOC.
11398 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
11400 (rs6000_emit_move): When reload calls us with an illegitimate
11401 address, exit early. Move the change_address calls to one place
11402 at the end of the routine. Merge the SImode and DImode expanders.
11403 When called by reload to put an integer into a FP register, force
11406 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
11408 (rs6000_hash_constant): Hash mode too.
11409 (toc_hash_function): Allow for key_mode.
11410 (toc_hash_eq): Structures are different if key_mode differs.
11411 (output_toc): Add 'mode' parameter. Save key_mode.
11412 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
11413 Pass 'mode' parameter.
11414 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
11416 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
11417 for vtable references.
11419 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
11420 choice, don't put integer values in FP regs.
11422 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
11424 * flow.c (verify_flow_info): Revamp code to verify that the
11425 head and end of each basic block are in the insn chain.
11427 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
11429 * gcse.c (record_one_set): Prepend instead of append onto
11430 reg_set_table, making it O(n) instead O(n^2).
11431 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
11432 Use a queue instead of a stack as worklist.
11434 2000-07-20 Kazu Hirata <kazu@hxi.com>
11436 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
11437 * h8300.h (OK_FOR_T): New.
11438 (EXTRA_CONSTRAINT): Support OK_FOR_T.
11439 * h8300.md: Use inc/dec.[wl] for increment/decrement
11440 by 1 and 2 in HI and SI modes.
11442 2000-07-20 Jim Wilson <wilson@cygnus.com>
11444 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
11445 larger than 14 bits.
11447 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
11449 * cppmacro.c (CAN_PASTE_AFTER): New macro.
11450 (count_params): Don't set GNU_REST_ARGS on anything.
11451 (save_expansion): Set PASTE_LEFT only on tokens for which
11452 CAN_PASTE_AFTER is true, or which are named operators.
11454 * cpplex.c (parse_args): Distinguish between a rest argument
11455 given one empty argument, and a rest argument given zero arguments.
11456 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
11457 deletion of previous token based on that.
11458 (get_raw_token): Flatten some control structure.
11460 * cpplib.h (CPP_LAST_EQ): Correct.
11461 (VOID_REST): New token flag.
11462 (GNU_REST_ARGS): Delete.
11464 * tradcpp.c (main): Don't munge -D options.
11465 (make_definition): Bring -D handling in line with cpplib.
11466 (do_define): Strip all leading whitespace from macro definitions.
11468 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
11470 * Makefile.in (tradcpp): Depend on intl.o and version.o.
11472 2000-07-20 Bruce Korb <bkorb@gnu.org>
11474 * fixincl/check.tpl: strip the platform specific types before testing
11475 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
11476 * fixincl/fixincl.tpl: use platform specific types
11477 * fixincl/fixlib.h: include the platform specific types
11478 * fixincl/inclhack.def(gnu_types): don't supply the types
11479 * fixincl/fixincl.x: regen
11481 2000-07-19 Jim Wilson <wilson@cygnus.com>
11483 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
11486 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11488 * tradcpp.c (rescan): Do not recognize directives when the #
11491 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11493 Implement C++ named operators.
11495 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
11496 of operators allowed in #if and having an _EQ variant. Add
11497 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
11498 (cpp_token flags): Add NAMED_OP.
11499 (enum node_type): Add T_OPERATOR.
11500 (struct cpp_hashnode): Add code slot to value union.
11501 * cpphash.h (spec_nodes): Remove n_defined.
11503 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
11504 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
11505 (is_macro_disabled): Tweak error messages.
11507 * cpplib.c (get_define_node): Disallow all named operators as
11508 macro names. Tweak error messages.
11509 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
11511 * cppinit.c (builtin_array): Add entries for the named operators.
11512 * cppexp.c (lex): Check for CPP_DEFINED token.
11513 (priority table): Add entries for CPP_MIN and CPP_MAX.
11514 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
11516 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
11518 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
11519 larger than the array of cuids.
11520 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
11523 2000-07-19 Bruce Korb <bkorb@gnu.org>
11525 * fixinc/fixincl.c: Convert to using a table of environment variables
11526 and activate the auto-edit marker on the fixed output files.
11527 * fixinc/fixlib.h: Define the environment table
11528 * fixinc/fixincl.sh: export the ${INPUT} dir
11529 * fixinc/check.tpl: likewise
11531 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11533 * gcc.c (.h spec): Fix typo.
11535 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
11537 * Makefile.in: Fix tradcif.c path.
11539 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11541 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
11544 * cpphash.h (TOKEN_NAME): New macro.
11545 (_cpp_spell_operator): Deleted.
11546 (token_spellings): Now _cpp_token_spellings.
11548 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
11549 * cpplex.c: Use OP and TK macros when expanding the
11550 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
11551 store the stringification of the enumeration name (CPP_CHAR,
11552 etc.) in the name slot of token_spellings.
11553 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
11554 token_spellings directly.
11555 * cpplib.c: Use TOKEN_SPELL.
11557 * cpplex.c (_cpp_push_token): If the token being pushed back
11558 is the previous token in this context, just subtract one from
11560 * cppmacro.c (save_expansion): Clear aux field when storing a
11563 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11565 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
11566 buffer, provided it is not NULL.
11568 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
11570 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
11571 case of invalid volatile re-declaration.
11573 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11575 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
11576 (expand_call): Adjust caller.
11578 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
11580 * diagnostic.h (report_diagnostic): Change prototype.
11582 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
11583 diagnostic_for_decl): Change prototype.
11584 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
11585 error, warning, error_with_file_and_line,
11586 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
11587 Adjust call to report_diagnostic, diagnostic_for_decl.
11588 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
11589 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
11591 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
11592 varaible argument list.
11594 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11596 * cpphash.c: Don't include hashtab.h. Most macro-handling code
11597 moved to cppmacro.c.
11598 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
11599 dump_hash_helper): Delete.
11600 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
11601 cpp_forall_identifiers): New. Implement specialized version of
11602 Vlad's expandable hash table.
11603 (cpp_lookup): Use new functions.
11604 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
11606 * cppmacro.c: New file.
11607 * cppinit.c (dump_macros_helper): New.
11608 (cpp_finish): Iterate over the identifier table directly.
11609 * cpplex.c (parse_name): Calculate the hash of the identifier
11610 while we scan it. Use _cpp_lookup_with_hash when we can.
11612 * cpphash.h: Update prototypes.
11613 (xcnewvec, HASHSTEP): New helper macros.
11614 * cpplib.h: Update prototypes.
11615 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
11616 (cppmacro.o): New rule.
11617 (cpphash.o): Update deps.
11619 * cppmain.c: Do not set pfile->printer if no_output is on.
11621 2000-07-15 Neil Booth <neilb@earthling.net>
11623 * cpplib.c: Change all directive-handler functions to return
11625 * cpphash.h: Update typedefs.
11627 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11629 * configure: Regenerate.
11631 * extend.texi (Extended Asm): Mention that a memory clobber
11632 does not count as a side-effect.
11634 * unroll.c (copy_loop_body): Fix one instance of using host
11635 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
11638 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
11640 2000-07-17 Richard Henderson <rth@cygnus.com>
11642 * config/ia64/ia64.md (movdi): Split out load address code.
11643 New post-reload splitter for symbolic operands.
11644 (movdi_internal): Abort if we didn't split symbolic operands
11645 when we should have.
11646 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
11647 (ia64_reorg): Split insns when not optimizing.
11648 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
11650 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11652 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
11653 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
11655 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11657 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
11659 2000-07-17 Jason Merrill <jason@redhat.com>
11661 * Makefile.in (clean): Remove libgcc directory.
11663 * configure.in (-Wno-long-long check): Use higher-level macros.
11665 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11667 * simplify-rtx.c (simplify_binary_operation): Recognize
11668 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
11669 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
11670 a CONST_INT, it will always be zero.
11672 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11674 * loop.c (check_dbra_loop) : Return if more than one condition is
11675 present to control the loop.
11677 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
11679 * mips.c (mips_expand_prologue): Don't calculate the last argument
11680 register unless we need it. When we are calculating this, make
11681 sure FUNCTION_ARG is giving us a REG.
11683 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11685 * flow.c (libcall_dead_p): Use single_set to verify the insn
11686 has only one set and get for analysis.
11687 (propagate_one_insn): Don't pass the PATTERN of the insn.
11689 2000-07-17 Mark Klein <mklein@dis.com>
11691 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
11693 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11695 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
11696 * configure.in (TARGET_GETGROUPS_T): Evaluate.
11697 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
11698 of second argument of getgroups.
11699 * configure, config.in: Rebuilt.
11701 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11703 * simplify-rtx.c (simplify_relational_operation): Two signed
11704 values with equal high words are less/greater than each other if
11705 their low words are less/greater when considered as unsigned.
11707 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
11709 * configure.in (vax-*-openbsd): Change to new style configuration,
11710 add collect2/float_format information.
11711 * configure: Rebuilt.
11712 * config/vax/openbsd1.h: New.
11713 * config/vax/openbsd.h: New.
11714 * config/vax/t-openbsd: New.
11716 2000-07-17 Chip Salzenberg <chip@valinux.com>
11718 * c-common.c (shorten_compare): Quiet warnings about unsigned
11719 comparisons with zero when they occur in a system header.
11721 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
11723 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
11724 update to describe current practice.
11726 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
11728 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
11729 references to C9X. Change references to -fstd and -flang-isoc9x
11732 * c-common.c (scan_char_table): Allow "z" length modifiers on
11734 (check_format_info): Use TYPE_DOMAIN on the type matched against
11735 for "z" formats, to retrieve the language size_t rather than the
11738 * c-common.c (check_format_info): Do not make a pedantic objection
11739 to the 'L' length modifier if used with a floating point type
11742 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
11743 constants in C99 mode.
11745 2000-07-17 Kazu Hirata <kazu@hxi.com>
11747 * h8300.md: Fix the format of mac.
11748 (movsi_h8300hs): Output a tab after stmac instead of a space.
11750 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
11751 profitable adds/subs sequences.
11753 * fold-const.c: Fix comment typos.
11755 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
11757 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
11759 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11761 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
11763 2000-07-16 Neil Booth <NeilB@earthling.net>
11765 * cpplex.c: Update comments.
11766 * README.Portability: Small update.
11768 2000-07-16 Neil Booth <NeilB@earthling.net>
11770 * README.Portability: Small update.
11772 2000-07-15 Richard Henderson <rth@cygnus.com>
11774 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
11775 * config/ia64/ia64.c (ia64_move_ok): New function.
11776 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
11777 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
11779 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
11781 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
11782 immediately following a paste operator.
11783 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
11784 (cpp_reader_init): Call it, if HOST_EBCDIC.
11785 (cpp_handle_options): Do not sort option list here.
11786 (handle_option): Rename to cpp_handle_option and export.
11787 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
11788 _cpp_get_token directly.
11789 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
11790 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
11791 * cpplib.h: Prototype cpp_handle_option. Update prototype of
11794 2000-07-15 Richard Henderson <rth@cygnus.com>
11796 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
11797 cast around an expression. Tidy other unsigned tests.
11799 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
11801 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
11802 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
11803 (v_message_with_decl): Rename to ...
11804 (format_with_decl): ... this. Tweak
11805 (diagnostic_for_decl): New function.
11806 (fatal_io_error): Use verbatim in lieu of notice.
11807 (announce_function): Use verbatim.
11808 (default_print_error_function): Likewise.
11809 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
11812 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11814 * mips.c (function_arg_pass_by_reference): Don't do automatic
11815 aggregate initialization.
11816 (machine_dependent_reorg): Initialize variable `mode'.
11818 * mips.md (absdi2): Change variable `regno1' to unsigned int.
11819 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
11820 conflicts with sys/param.h macro of the same name.
11821 (reload_outdi): Likewise.
11823 2000-07-15 Michael Meissner <meissner@redhat.com>
11825 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
11826 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
11827 create a new node instead.
11829 2000-07-15 Neil Booth <NeilB@earthling.net>
11831 * README.Portability: Correct example about calling a function
11832 through a pointer to function. Format wide paragraphs.
11834 2000-07-15 Michael Meissner <meissner@redhat.com>
11836 * README.Portability: Update integer suffixes and function
11837 prototype sections.
11839 2000-07-15 Neil Booth <NeilB@earthling.net>
11841 * README.Portability: Small update.
11843 2000-07-15 Neil Booth <NeilB@earthling.net>
11845 * README.Portability: New file.
11847 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
11849 * INSTALL: Give special instructions for building GCC on Irix 6.
11850 * config/mips/x-iris6 (CC): Don't set it.
11853 2000-07-14 Jason Merrill <jason@redhat.com>
11855 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
11856 register in the stack and later in another register, use the new
11859 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
11861 * config/mips/mips.md: (absdi2): Handle sign_extend for
11864 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
11866 * cpplib.c (do_pragma_dependency): Tidy warning messages.
11868 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
11870 * .cvsignore: Correct typo.
11872 2000-07-13 Mark Mitchell <mark@codesourcery.com>
11874 * .cvsignore: Add generated YACC files.
11875 * objc/.cvsignore: New file.
11877 2000-07-14 Neil Booth <NeilB@earthling.net>
11879 * cpplex.c (adjust_column): New funcion.
11880 (skip_whitespace): Use it.
11881 (skip_block_comment): Use it, and warn about /*/* with
11884 2000-07-14 Neil Booth <NeilB@earthling.net>
11886 * cpphash.c (struct macro_info): Add new members.
11887 (_cpp_free_definition): Delete the macro directly.
11888 (count_params): Return void, with first token of
11889 expansion in struct macro_info on success.
11890 (parse_define): Return int. Hoist syntax checking from
11891 save_macro_expansion. Leave call to save_expansion to
11892 _cpp_create_definition.
11893 (alloc_macro): Needs just 2 arguments.
11894 (free_macro): Delete.
11895 (save_expansion): Don't perform syntax check.
11896 (_cpp_create_definition): Call save_expansion.
11898 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11900 * genrecog.c (write_header): Split long string.
11902 * cpphash.c (macro_info): Don't use the `signed' keyword.
11904 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
11906 2000-07-13 Jakub Jelinek <jakub@redhat.com>
11908 * calls.c (stored_args_map): New variable.
11909 (check_sibcall_argument_overlap_1): New.
11910 (check_sibcall_argument_overlap): New.
11911 (expand_call): Initialize stored_args_map.
11912 Call check_sibcall_argument_overlap.
11914 2000-07-13 Bruce Korb <bkorb@gnu.org>
11916 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
11917 (emit_gnu_type): utility procedure for gnu_type_fix
11918 (gnu_type_fix): implement various pre-processor guards around
11919 standard types so these types can be defined over and over
11920 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
11921 types alluded to above will have GNU-compliant base types
11922 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
11923 * fixinc/inclhack.def: add test_text entries and utilize the new
11924 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
11925 * fixinc/fixincl.x: regenerate
11927 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11929 * diagnostic.c (vline_wrapper_message_with_location,
11930 v_message_with_file_and_line, v_error_with_file_and_file,
11931 v_error_for_asm, v_warning_for_asm, vfatal,
11932 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
11933 vsorry, verror, vwarning, vpedwarn): Remove.
11934 (diagnostic_for_asm): New function.
11935 (pedwarn, error, warning, pedwarn_with_file_and_line,
11936 error_with_file_and_line, warning_with_file_and_line, sorry,
11937 error_for_asm, warning_for_asm, fatal): Reimplement.
11938 (finish_diagnostic): Clear diagnostic info as well.
11940 2000-07-13 Neil Booth <NeilB@earthling.net>
11942 * c-common.h (flag_digraphs): New.
11943 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
11944 * c-lex.c (yylex): Use flag_digraphs to decide whether to
11947 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
11949 * gcc.c (do_spec_1): Add new %B operator.
11950 (set_input): Prepare for %B.
11952 (link_command_spec): Move up with the other tm.h-
11953 overrideable specs. Factor out the portion conditional on
11954 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
11955 (struct compiler): Just have a single spec string. All users
11957 (default_compilers): Remove unnecessary braces.
11958 (static_specs): Update.
11960 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
11962 (C and assembly specs): Use the new named specs, as appropriate.
11964 * objc/lang-specs.h: Use the new named specs.
11965 Remove unnecessary braces.
11967 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11969 * gcc.c (execute): If a subprocess gets a fatal signal, report
11970 strsignal() of the signal number, and ask for a bug report.
11971 Do not do this for SIGPIPE if there's already been an error.
11973 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
11974 Delete pipe_closed.
11976 * tradcif.c: Remove.
11978 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11980 * final.c (profile_function): Do not emit profile counters in
11981 the data section, if NO_PROFILE_COUNTERS is defined.
11982 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11985 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11986 (FUNCTION_PROFILER): Just emit a call to mcount.
11988 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11990 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11992 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11993 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11994 traditional, lang_chill, or lang_fortran.
11996 * cppfiles.c: #undef strcmp to suppress warning about macros
11997 used without arguments.
11998 (_cpp_execute_include): Use f, not fname, in "No include path"
12000 (_cpp_pop_file_buffer): New function.
12001 * cpplib.c: Don't include <sys/mman.h>.
12002 (cpp_push_buffer): Set line_base and lineno in new buffer.
12003 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
12005 * cpplex.c: Move all prototypes and structure declarations to the
12006 top of the file. Properly parenthesise some macro arguments.
12007 (cpp_scan_line): New function.
12008 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
12009 don't need to walk up the stack counting.
12011 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12013 * c-common.c (combine_strings): Emit a pedantic warning when a
12014 string length is greater than the minimum ANSI C is required
12017 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
12019 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
12020 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
12022 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12024 * c-decl.c (define_label): Warn about identifier conflicts with
12025 labels in traditional C.
12027 * c-parse.in (unop +): Warn about the unary plus operator for
12030 * c-typeck.c (store_init_value): Warn about automatic aggregate
12031 initialization for traditional C.
12033 * invoke.texi (-Wtraditional): Document new warnings.
12035 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12037 * Makefile.in (c-errors.o): Fix thinko in dependency.
12039 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12041 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
12042 -traditional, -ftraditional, or -traditional-cpp was given.
12043 Do not pass -traditional to the preprocessor.
12044 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
12045 preprocessor does it automatically.
12046 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
12048 * ch/lang-specs.h: Always use tradcpp. Do not pass
12049 -traditional, -trigraphs, or -pedantic to the preprocessor.
12050 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
12053 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12055 * cppexp.c (LOGICAL): Delete macro.
12056 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
12059 * cpphash.c (HASHSIZE): Increase to 4096.
12060 (struct hashdummy): Add hash field.
12061 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
12062 the string values using memcmp.
12063 (cpp_lookup): Set dummy.hash.
12065 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
12067 * configure.in (m88k-openbsd): Express configuration using new fragment
12069 * configure: Rebuilt.
12070 * m88k/aout-dbx.h: New.
12071 * m88k/openbsd.h: New.
12072 * m88k/xm-openbsd.h: New.
12074 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12076 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
12078 2000-07-12 Richard Henderson <rth@cygnus.com>
12080 * reload.c (push_secondary_reload): Make sure to add the new
12081 reload at the end, after acquiring secondary memory.
12083 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12085 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
12087 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
12088 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
12090 * c-parse.in (stmt): Delete unused variables.
12092 * convert.c (convert_to_vector): Likewise.
12094 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
12096 * tree.c (finish_vector_type): Prototype.
12098 2000-07-12 Bruce Korb <bkorb@gnu.org>
12100 * fixinc/fixfixes.c: use xmalloc
12101 * fixinc/fixincl.c(initialize): set program name for xmalloc
12102 * fixinc/fixlib.c(must_malloc): obsolete
12103 (is_cxx_header): no longer used - disabled
12104 (skip_quote): inserted and disabled for future use
12105 * fixinc/fixlib.h: reflects above
12106 * fixinc/fixtests.c: removed dinkleberries
12108 2000-07-12 Neil Booth <NeilB@earthling.net>
12110 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
12111 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
12113 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
12114 struct toklist_dummy): New.
12115 (cpp_free_definition): Free macros with free_macro.
12116 (count_params): Don't save paramter spellings. Save macro
12117 information in a struct macro_info.
12118 (parse_define): Don't allocate a token list.
12119 (save_expansion): Allocate the macro's token list, and
12120 save parameter spellings if necessary. Use TOKEN_SPELL.
12121 (cpp_create_definition): Make list const.
12123 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12125 * c-typeck.c (pedwarn_c99): Move to
12126 * c-errors.c: ... Here.
12127 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
12128 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
12129 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
12130 (c-errors.o): List dependency.
12132 2000-07-12 Mark Mitchell <mark@codesourcery.com>
12134 * c-parse.c: Remove.
12135 * c-parse.h: Likewise.
12136 * c-parse.y: Likewise.
12137 * objc/objc-parse.c: Likewise.
12138 * objc/objc-pasre.y: Likewise.
12140 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
12142 * gcc.texi: Fix minor typos
12143 * extend.texi: Fix minor typos
12145 2000-07-11 Marc Espie <espie@openbsd.org>
12147 * collect2.c (main): Recognize .lo as object files.
12149 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12151 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
12154 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
12155 with MAP_ANONYMOUS and MAP_ANON.
12156 * configure, config.in: Rebuilt.
12158 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12160 * diagnostic.c (save_output_state): Remove.
12161 (restore_output_state): Likewise.
12162 (clear_text_info): New function.
12163 (clear_diagnostic_info): Likewise.
12164 (output_text_length, is_starting_newline, output_prefix,
12165 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
12166 prefixing_policy, output_buffer_ptr_to_format_args): New macros
12167 (set_real_maximum_length, output_set_maximum_length,
12168 output_set_prefix, output_get_prefix, output_set_maximum_length,
12169 output_destroy_prefix, init_output_buffer,
12170 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
12171 output_add_newline, output_add_character, output_add_space,
12172 output_append_r, output_append, wrap_text, output_format,
12173 output_do_printf, output_printf, output_do_verbatim,
12174 output_verbatim, verbatim): Use them.
12175 (output_clear): Split into cleat_text_info and
12176 clear_diagnostic_info.
12177 (struct output_state): Move to...
12179 * diagnostic.h: ...Here
12180 (struct output_buffer): Adjust.
12182 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
12184 * cpplex.c (parse_name): No longer inline (premature optimization).
12185 (do_pop_context): Fold into pop_context.
12186 (pop_context): Returns int.
12187 (lex_next): Hoist test for end of directive into pop_context.
12188 (push_macro_context): Returns int; takes just reader and token.
12189 Hoist test for excessive nesting to caller.
12190 (push_arg_context): Returns void; takes just reader and token.
12191 Do not call stringify_arg or get_raw_token.
12192 (get_raw_token): Convert tail recursion through push_arg_context
12193 to a loop at this level. Call stringify_arg here if appropriate.
12194 (maybe_paste_with_next): Convert tail recursion to a while loop.
12195 Hoist test of paste_level to caller.
12197 (stringify_arg): Push arg context at beginning.
12198 (cpp_get_token): Split out core into _cpp_get_token. Call
12199 process_directive here. Throw away CPP_PLACEMARKER tokens.
12200 (_cpp_get_token): Convert tail recursion through
12201 push_macro_context to a loop at this level.
12202 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
12203 _cpp_get_raw_token): Use _cpp_get_token.
12204 (_cpp_skip_rest_of_line): Drop the context stack directly; do
12205 not call pop_context.
12206 (_cpp_run_directive): Call lex_next directly.
12208 * cpphash.h: Prototype _cpp_get_token.
12209 * cppexp.c (lex): Use it.
12210 * cpphash.c (parse_define): Use it.
12211 * cpplib.c (get_define_node, do_undef, parse_include,
12212 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
12213 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
12214 parse_ifdef, validate_else): Use it.
12215 (cpp_push_buffer): Tweak error message; abort if anyone tries
12216 to push a buffer while macro expansions are stacked.
12218 2000-07-11 Donn Terry <donnte@microsoft.com>
12220 * cpplex.c (free_macro_args, save_token): Cast arg of free
12221 and/or xrealloc to PTR.
12222 (_cpp_init_input_buffer): Clear all fields of the base context.
12224 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
12226 * gensupport.c (process_rtx): Make rtl checking stop
12227 complaining about the define_insn while it is being
12228 converted from a define_insn_and_split.
12230 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
12232 * config/mips/mips.c (simple_memory_operand): Access the
12233 INTVAL of the address, not it's containing MEM.
12235 2000-07-11 Bruce Korb <bkorb@gnu.org>
12237 * fixinc/fixtests.c(double_slash): obsolete
12238 (else_endif_label): likewise
12239 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
12240 (libc1_ifdefd_memx): correct initial comment
12241 and omit the #if/#endif pair from the memxxx declarations
12242 * fixinc/fixincl.x: regen
12244 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12246 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
12248 2000-07-11 Neil Booth <NeilB@earthling.net>
12250 * cpp.texi: Update.
12252 2000-07-11 Neil Booth <NeilB@earthling.net>
12254 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
12255 (handle_option): Set digraphs according to standard.
12256 Merge OPT_lang_c89 handler with OPT_std_c89.
12258 * cpplex.c: (lex_line, can_paste): Honour digraphs in
12259 accordance with the digraphs flag.
12261 * cpplib.h: (struct cpp_options): New option digraphs.
12263 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
12264 Bruce Korb <bkorb@gnu.org>
12266 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
12267 * fixinc/fixincl.x: Regenerate.
12268 * fixinc/tests/base/testing.h: Add testcase.
12270 2000-07-10 Richard Henderson <rth@cygnus.com>
12272 * config/ia64/ia64.c (got_symbolic_operand): New.
12273 (symbolic_operand, move_operand): Revert 0701 change.
12274 * config/ia64/ia64.h (PREDICATE_CODES): Update.
12275 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
12276 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
12277 split the offset into a 14-bit low part instead of a 13-bit low part.
12278 (load_fptr): Mark the mem as unchanging.
12279 (load_symptr): Use got_symbolic_operand.
12281 2000-07-10 Nick Clifton <nickc@cygnus.com>
12283 * libgcc2.c (next_stack_level): Cast result of computation to
12284 (void **) so that the assignment does not generate a warning.
12286 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
12288 * flags.h : Add new variable flag_single_precision_constant.
12289 * toplev.c (display_help) : Add -fsingle-precision-constant option.
12290 (flag_single_precision_constant): New.
12291 * c-lex.c (yylex): Convert floating point constant to single
12292 precision constant.
12293 * invoke.texi : Add documentation for this new option.
12295 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12297 * diagnostic.c (output_octal): Second parameter is unsigned.
12298 (output_long_octal): Likewise.
12299 (output_hexadecimal): Likewise.
12300 (output_long_hexadecimal): Likewise.
12301 (output_format): Adjust arguments extraction. Tweak.
12302 (output_verbatim, verbatim): End variable argument list.
12303 (report_diagnostic): Improve documentation.
12305 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
12307 * c-common.h (build_stmt): Declare.
12308 (build_continue_stmt): Likewise.
12309 (build_break_stmt): Likewise.
12310 (build_return_stmt): Likewise.
12312 * c-decl.c (do_case): Rewrite to do what previously done in
12315 * c-semantics.c (build_stmt): Define.
12316 (build_return_stmt): Likewise.
12317 (build_break_stmt): Likewise.
12318 (build_continue_stmt): Likewise.
12319 (build_case_label): Likewise.
12321 * c-parse.in (BREAK): Change to build tree, then generate RTL.
12322 (CONTINUE): Likewise.
12323 (RETURN): Likewise.
12325 (DEFAULT): Likewise.
12327 * c-parse.y: Regenerate.
12328 * c-pasre.c: Likewise.
12330 2000-07-09 Jason Merrill <jason@redhat.com>
12332 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
12334 * tree.h (STRIP_NOPS): Check for error_mark_node.
12335 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
12336 (dwarf2out_*): Remove duplicate declarations.
12338 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
12339 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
12341 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12343 * diagnostic.c (wrap_text): New function.
12344 (maybe_wrap_text): Likewise.
12345 (output_add_string): Use it.
12346 (output_format): Likewise.
12347 (count_error): Use verbatim instead of notice.
12348 (report_error_function): Likewise. Don't use plain fprintf.
12349 (finish_diagnostic): New function.
12350 (output_do_verbatim): Tweak. Commonalize functionalities in
12351 output_verbatim and verbatim.
12352 (output_verbatim): Adjust.
12353 (verbatim): Likewise.
12354 (report_diagnostic): Define.
12356 * diagnostic.h (report_diagnostic): Prototype.
12358 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
12360 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
12362 2000-07-09 Neil Booth <NeilB@earthling.net>
12364 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
12365 IShspace, ISspace: Update.
12367 * cppinit.c: ISTABLE: Update.
12370 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
12371 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
12372 (skip_block_comment, skip_line_comment, parse_string,
12373 lex_line): Use is_vspace rather than IS_NEWLINE.
12374 (skip_whitespace, lex_line): Clean up to use is_nvspace.
12375 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
12377 (lex_next): Unconditionally stop if within a directive.
12378 Treat directives within macro invocations as directives
12379 (after parse_args emits error), not as the argument.
12381 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
12383 * diagnostic.c (diagnostic_args): New macro.
12384 (diagnostic_msg): Likewise.
12385 (output_formatted_integer): Likewise.
12386 (output_state): New data type.
12387 (digit_buffer): Make global.
12388 (output_add_integer): Rename to output_decimal. Squeeze
12390 (output_long_decimal, output_unsigned_decimal,
12391 output_long_unsigned_decimal, output_octal, output_long_octal,
12392 output_hexadecimal, output_long_hexadecimal): New functions.
12393 (output_append_r): New function.
12394 (output_append): Tweak.
12395 (output_flush_on): Rename to output_to_stream.
12396 (output_format): Change prototype. Improve documentation. Handle
12397 more format specifiers.
12398 (build_location_prefix): Rename to context_as_prefix.
12399 (output_notice): Rename to output_do_printf.
12400 (output_printf): Tweak.
12401 (line_wrapper_printf): Likewise.
12402 (vline_wrapper_message_with_location): Adjust call to renamed
12404 (v_message_with_decl): Likewise.
12405 (default_print_error_function): Likewise.
12406 (save_output_state): New function.
12407 (restore_output_state): Likewise.
12408 (output_do_verbatim): Likewise.
12409 (output_verbatim): Define.
12410 (verbatim): Likewise.
12412 * diagnostic.h (printer_fn): Change return type from void to int.
12413 Improve documentation.
12414 (output_add_integer): Rename to output_decimal.
12415 (output_flush_on, output_format): Don't export.
12416 (output_verbatim, verbatim): Declare.
12418 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
12420 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
12421 Check whether c divides op1 exactly if operation is not
12424 2000-07-08 Richard Henderson <rth@cygnus.com>
12426 * final.c (final): Do not abort when reg-stack introduces
12429 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
12431 * cpplib.h (struct cpp_name): Now struct cpp_string.
12432 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
12433 CPP_HEADER_NAME): Change to type S.
12434 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
12435 field, a cpp_hashnode *. All references to val.name updated
12436 to use val.str or val.node as appropriate.
12437 (struct cpp_reader): Add spec_nodes field.
12438 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
12440 * cpphash.h (struct spec_nodes): New.
12441 (enum spell_type): Reorder. Only SPELL_STRING tokens use
12442 val.str. All references to 'spelling > SPELL_NONE' updated to
12445 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
12446 pfile->buffer->inc are not NULL before dereferencing them.
12448 * cpplex.c (parse_name): Take a pointer to the current token,
12449 plus current position and limit as args; return the new
12450 position; don't copy the text of a name into the string
12451 buffer, instead call cpp_lookup and store the node pointer.
12452 If extending a token, copy out the text of the old into a
12453 scratch buffer, append the new, look that up and store the new
12454 node pointer. Inline.
12455 (maybe_paste_with_next): If the result of paste is a NAME,
12456 then look up the pasted text and store its node pointer.
12457 (lex_line): Adjust for new parse_name interface.
12458 Check for L"str", L'str' using spec_nodes->n_L.
12459 (spell_token): SPELL_IDENT tokens have their spelling in
12460 val.node->name. Handle SPELL_STRING tokens that don't have
12462 (_cpp_expand_name_space,
12463 (can_paste): Check for L ## "str" using spec_nodes->n_L.
12464 (cpp_get_token, special_symbol): No need to call cpp_lookup.
12465 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
12466 return 1=equal 0=not, not a tristate.
12468 * cpphash.c (var_args_str): Delete.
12469 (find_param): Compare node fields directly.
12470 (is__va_args__): Use CPP_PEDANTIC. Just compare
12471 token->val.node with spec_nodes->n__VA_ARGS__.
12472 (dump_funlike_macro): Don't use var_args_str.
12474 * cpplib.c (_cpp_check_directive): Just walk through
12475 spec_nodes->dirs comparing pointers.
12476 (get_define_node, do_pragma_poison, detect_if_not_defined,
12477 parse_ifdef): The identifier has already been looked up.
12478 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
12480 (do_if): Only call detect_if_not_defined at beginning of file.
12481 (_cpp_parse_assertion): Only copy string pointers for
12482 SPELL_STRING tokens.
12483 (pragma_dispatch): Take a node pointer and examine its name
12485 (_cpp_init_stacks): Also initialize the spec_nodes structure.
12487 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
12489 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
12490 reverse order from the corresponding _cpp_init_* routines.
12492 * cppexp.c (parse_number, parse_charconst, parse_defined,
12493 lex): Check val.node->type instead of calling cpp_defined.
12494 Use spec_nodes entries where appropriate.
12496 * fix-header.c, scan-decls.c: Update for interface changes.
12498 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
12500 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
12501 emitting aux_truncdfsf2.
12503 2000-07-03 Donn Terry (donnte@microsoft.com)
12505 * cppinit.c (print_help): split overlong line into ISO C89
12508 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12510 * cppexp.c: Update all code for new lexer interface.
12511 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
12512 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
12513 * cpplex.c (token_names): Trim leading CPP_ from names; make
12514 the strings unsigned.
12515 (_cpp_spell_operator): New.
12516 (is_macro_disabled): Disable all macros if rescanning
12518 (_cpp_get_directive_token): Remove.
12520 * cppinit.c: Don't set no_macro_expand.
12521 * cpplib.c (read_line_number, do_line): Check only for EOF,
12523 * cpphash.h: Update prototypes.
12524 * cpplib.h (CPP_VSPACE): Remove.
12525 (struct cpp_reader): Remove no_macro_expand.
12527 2000-07-08 Neil Booth <NeilB@earthling.net>
12529 * cpphash.c (is__va_args__): New function.
12530 (count_params): Fix line reported in error messages. Use
12531 is__va_args__. Don't return ')' on error. Flag GNU style
12532 rest args macro definitions.
12533 (parse_define): Check macro name is not __VA_ARGS__.
12534 (save_expansion): Check identifier in non-varargs-macro is
12535 not __VA_ARGS__. Don't flag GNU_VARARGS.
12536 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
12537 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
12538 than per-token GNU_VARARGS.
12539 * cpplib.h (GNU_VARARGS): Remove.
12540 (GNU_REST_ARGS): New.
12542 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12544 * i386.md (call_pop, call, call_value_pop): Do not set
12545 current_function_uses_pic_offset_table for calls to static
12546 functions or indirect calls.
12548 2000-07-07 Jim Wilson <wilson@cygnus.com>
12550 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
12551 is_predicate_reg, then take max write_count of register pair.
12553 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12555 * tradcpp.c (main): Rename label `include' to `add_include' to
12556 avoid conflicts with variable `include' in traditional C.
12558 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12560 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
12562 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12564 * sibcall.c (uses_addressof): Add INMEM argument, check for
12565 current_function_internal_arg_pointer outside of MEM rtxs in addition
12567 (sequence_uses_addressof): Update caller.
12569 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12571 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
12574 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12576 * system.h (UNION_INIT_ZERO): New macro for initializing union
12577 members in structs.
12579 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
12581 2000-07-07 Neil Booth <NeilB@earthling.net>
12583 * cpp.texi: Update.
12585 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
12587 * final.c (final): Detect out of bounds array access to
12588 the insn_lengths array.
12590 2000-07-07 Kazu Hirata <kazu@hxi.com>
12592 * fold-const.c (fold): Fix a comment typo.
12594 2000-07-07 Neil Booth <NeilB@earthling.net>
12596 * cpp.texi: Update to new lexer.
12598 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12600 * tradcpp.c: New file.
12601 * tradcif.y: New file.
12602 * tradcif.c: New generated file.
12604 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
12605 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
12606 dependencies of C. Install tradcpp from install-common, in
12609 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12611 * cppinit.c: Include cppdefault.h. Refer to
12612 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
12613 to GCC_INCLUDE_DIR and its length.
12614 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
12615 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
12616 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
12618 (include_defaults_array): Move to cppdefault.c.
12620 * cppdefault.h: New file.
12621 * cppdefault.c: New file.
12623 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
12624 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
12625 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
12628 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12630 * reload.c (push_reload): When seeing if can reuse a register,
12631 check extra registers against widest of INMODE and OUTMODE.
12633 2000-07-06 Neil Booth <NeilB@earthling.net>
12635 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
12636 based on full length of predicate.
12638 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
12640 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
12641 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
12643 2000-07-05 Kazu Hirata <kazu@hxi.com>
12645 * h8300-proto.h: Fix formatting.
12646 * h8300.c: Likewise.
12647 * h8300.h: Likewise.
12649 2000-07-05 Jim Wilson <wilson@cygnus.com>
12651 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
12654 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
12656 * invoke.texi: Fix minor typos
12657 * md.texi: Fix minor typos
12659 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
12661 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
12663 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12665 * cpplex.c: Don't include sys/mman.h.
12666 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
12668 * cpplib.c: Include sys/mman.h and obstack.h.
12669 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
12671 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
12672 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
12673 bother freeing if stack entries (they will be freed with their buffer).
12674 (do_endif): Free if stack entries from the buffer obstack.
12675 (push_conditional): Allocate if stack entries from the buffer obstack.
12677 (find_answer): Rename to _cpp_find_answer.
12678 (do_assert, do_unassert): Update.
12680 * cpphash.h: Update prototypes.
12681 (xobnew): New convenience macro.
12682 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
12684 (struct cpp_hashnode): Remove disabled field.
12686 * cppinit.c: Don't include hashtab.h or splay-tree.h.
12687 (report_missing_guard): Moved to cppfiles.c.
12688 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
12690 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
12691 cpp_cleanup_includes. Don't destroy hashtab or
12692 all_include_files here.
12693 (cpp_finish): Use _cpp_report_missing_guards.
12695 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
12696 (_cpp_init_include_table): Rename _cpp_init_includes.
12697 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
12699 * cppexp.c (parse_assertion): Update for new name of
12702 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
12704 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12706 * cpplib.c (do_ident): s/VSPACE/EOF/
12708 2000-07-05 Neil Booth <NeilB@earthling.net>
12710 * cpplex.c: Fix trigraph replacement within strings.
12712 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12714 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
12716 * xcoffout.c (assign_type_number): Constify.
12717 (xcoffout_source_file): Add static prototype. Don't needlessly
12718 cast away const-ness.
12720 2000-07-04 Jason Merrill <jason@redhat.com>
12722 * frame.h (frame_state): Move base_offset to end.
12724 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12726 * calls.c (emit_library_call_value_1): Revert previous change.
12728 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12730 * fix-header.c (struct partial_proto): Remove unnecessary fields.
12731 (recognized_extern, recognized_function, read_scan_file):
12732 Update for new scheme.
12733 (check_protection): It's still a multiple include guard even
12734 if it doesn't always trigger.
12735 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
12737 * scan.h: Declare struct cpp_token. Update prototypes.
12739 2000-07-03 Neil Booth <neilb@earthling.net>
12740 Zack Weinberg <zack@wolery.cumb.org>
12742 Complete overhaul of the lexer and macro expander.
12744 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
12745 arg, arglist, argdata, reflist, collect_objlike_expansion,
12746 collect_funlike_expansion, collect_params,
12747 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
12748 unsafe_chars, macarg, compare_defs, special_symbol,
12749 scan_arguments, stringify, funlike_macroexpand,
12750 _cpp_quote_string, monthnames): Delete.
12751 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
12752 _cpp_create_definition, _cpp_dump_definition,
12753 dump_hash_helper): Adjust.
12754 (find_param, count_params, parse_define, var_args_str,
12755 check_macro_redefinition, save_expansion): New.
12757 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
12758 parse_string, output_line_command, trigraph_replace,
12759 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
12760 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
12761 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
12762 _cpp_skip_rest_of_line): Modify.
12764 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
12765 find_position, null_warning, bump_column, expand_name_space,
12766 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
12767 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
12768 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
12769 _cpp_prescan): Delete.
12771 (dump_param_spelling, process_directive, lex_next,
12772 is_macro_disabled, stringify_arg, expand_context_stack,
12773 output_token, make_string_token, alloc_number_token,
12774 special_symbol, duplicate_token, maybe_paste_with_next,
12775 can_paste, prevent_macro_expansion, restore_macro_expansion,
12776 get_temp_token, release_temp_tokens, quote_string,
12777 token_names, token_spellings, _cpp_expand_name_space,
12778 _cpp_glue_header_name, _cpp_reserve_name_space,
12779 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
12780 placemarker_token, eof_token, cpp_context, macro_args,
12781 get_raw_token, parse_arg, parse_args, save_token,
12782 push_arg_context, push_macro_context, pop_context,
12783 do_pop_context, free_macro_args, _cpp_get_line,
12784 _cpp_run_directive): New.
12786 * cpplib.c (validate_else, parse_include, push_conditional,
12787 pass_thru_directive, read_line_number, parse_ifdef,
12788 detect_if_not_defined, _cpp_check_directive, do_define,
12789 do_undef, do_include, do_import, do_include_next, do_error,
12790 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
12791 top_pragmas, do_pragma_gcc, do_pragma_implementation,
12792 do_pragma_poison, do_pragma_system_header,
12793 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
12794 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
12795 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
12796 cpp_defined): Update for new scheme.
12797 (strtoul_for_line, get_define_node, dump_macro_name,
12798 _cpp_check_linemarker, _cpp_parse_assertion): New.
12799 (_cpp_handle_directive, do_pragma_default): Delete.
12801 * cpphash.h (struct predicate): Now struct answer.
12802 (enum spell_type, struct token_spelling, struct directive,
12803 directive_handler): New.
12804 Update prototypes. Remove unused macros.
12805 * cpplib.h: Update prototypes. Remove unused macros,
12806 structure definitions, and fields.
12808 * cpperror.c (print_containing_files, v_message): Adjust.
12809 * cppexp.c (parse_assertion, lex, parse_escape,
12810 _cpp_parse_expr): Adjust.
12811 * cppfiles.c (open_include_file, _cpp_execute_include,
12812 _cpp_compare_file_date, cpp_read_file, read_include_file):
12814 * cppinit.c (dump_special_to_buffer): Delete.
12815 (append_include_chain, merge_include_chains, cpp_reader_init,
12816 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
12817 cpp_finish, handle_option, print_help): Adjust.
12818 * cppmain.c (main): Adjust.
12820 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12822 * cppspec.c (lang_specific_driver): Use double quotes in error
12825 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12827 * calls.c (emit_library_call_value_1): Use valreg instead
12828 of hard_libcall_value.
12830 2000-07-03 Geoff Keating <geoffk@cygnus.com>
12832 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
12833 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
12834 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
12842 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
12843 mode instead of wider_mode is being used.
12845 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12847 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
12848 of 'r'. Use q_regs_operand.
12849 (andsi_1+2): Use q_regs_operand.
12851 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12853 * builtins.c (get_memory_rtx): Always put into alias set 0.
12855 2000-07-03 Nick Clifton <nickc@cygnus.com>
12857 * config/arm/arm.md: Fix post increment and pre increment
12858 peepholes so that they do not generate UNPREDICATBLE opcodes.
12859 (ie ones where the increment clobbers the source/destination).
12861 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
12863 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
12864 change too big for -mtiny-stack" a warning, if larger than 63.
12865 (out_set_stack_ptr): Change the logic so -mno-interrupts is
12866 always safe to use on possible future devices.
12867 (function_prologue): Write SPH before SPL, for consistency.
12868 If interrupt_func_p true, we know we have enabled interrupts.
12869 (avr_num_arg_regs): New function. Round up to even number of
12870 bytes if no -mpack-args or if calling a libgcc function.
12871 (function_arg, function_arg_advance): Use it.
12872 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
12873 Output "movw" if available.
12874 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
12875 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
12876 (asm_output_section_name): Add blanks for consistent output.
12877 (encode_section_info): Set TREE_READONLY for progmem data to
12878 avoid gas warnings about changed section attributes.
12879 (avr_hard_regno_mode_ok): Force non-QImode data to start in
12880 even numbered registers on devices with "movw".
12881 * config/avr/avr.h (MASK_*): Define bits for target_flags.
12882 (TARGET_SWITCHES): Mark help strings for translation.
12883 Add new -mpack-args and -menhanced switches.
12884 (TARGET_OPTIONS): Mark help strings for translation.
12885 (progmem_section): Add section attributes.
12886 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
12887 Output "movw" if available.
12888 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
12890 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
12891 call convention (arguments aligned on even registers).
12892 (_cleanup, _exit): Make weak symbols libc can override.
12894 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12896 * fp-bit.h: New file.
12898 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
12899 Comment #endif statements.
12900 (__thenan_sf, __thenan_df): Add missing braces around initializer.
12902 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
12904 * gcse.c (compute_pre_data): Compute ae_kill using other local
12905 properties instead of calling compute_ae_kill.
12907 * alias.c (init_alias_analysis): Do not call
12908 prologue_epilogue_contains until after reload has completed.
12910 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
12912 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
12913 (genrtl_finish_compound_stmt): Likewise.
12914 (genrtl_compound_stmt): Change to return void.
12916 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
12917 move code from here to ...
12918 (genrtl_compound_stmt): ... here.
12919 (genrtl_finish_compound_stmt): Remove.
12920 (expand_stmt): Add comment.
12922 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
12924 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
12927 2000-07-02 Jakub Jelinek <jakub@redhat.com>
12929 * cpplib.h (struct cpp_reader): New field include_depth.
12930 (struct cpp_printer): Rename last_bsd to last_id.
12931 * cppfiles.c (read_include_file): Bump include_depth.
12932 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
12933 (output_line_command): Output correct #line if a header
12934 is including itself and is not protected against multiple inclusion.
12935 Use include_depth instead of buffer_stack_depth, last_id instead of
12937 * cppinit.c (cpp_start_read): Initialize last_id instead of
12940 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
12942 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
12943 (c-semantics.o): New target.
12945 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
12946 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
12947 (genrtl_clear_out_block): Likewise.
12948 (genrtl_goto_stmt): Likewise.
12949 (genrtl_expr_stmt): Likewise.
12950 (genrtl_decl_stmt): Likewise.
12951 (genrtl_if_stmt): Likewise.
12952 (genrtl_while_stmt): Likewise.
12953 (genrtl_do_stmt): Likewise.
12954 (genrtl_return_stmt): Likewise.
12955 (genrtl_for_stmt): Likewise.
12956 (genrtl_break_stmt): Likewise.
12957 (genrtl_continue_stmt): Likewise.
12958 (genrtl_scope_stmt): Likewise.
12959 (genrtl_switch_stmt): Likewise.
12960 (genrtl_case_label): Likewise.
12961 (genrtl_begin_compound_stmt): Likewise.
12962 (gerntl_finish_compound_stmt): Likewise.
12963 (genrtl_compound_stmt): Likewise.
12964 (genrtl_asm_stmt): Likewise.
12965 (genrtl_decl_cleanup): Likewise.
12966 (DECL_ANON_UNION_ELEMS): Likewise.
12967 (emit_local_var): Likewise.
12968 (make_rtl_for_local_static): Likewise.
12969 (expand_cond): Likewise.
12970 (expand_stmt): Likewise.
12971 (c_expand_return): Likewise.
12972 (c_expand_start_case): Likewise.
12973 (do_case): Likewise.
12974 (COMPOUND_STMT_NO_SCOPE): Likewise.
12975 (c_expand_asm_operands): Likewise.
12976 (NEW_FOR_SCOPE_P): New macro.
12977 (expand_expr_stmt_fn): New type.
12979 (set_current_function_name_declared): Likewise.
12980 (current_function_name_declared): Likewise.
12981 (lang_expand_stmt): Likewise.
12982 (stmts_are_full_exprs_p): Likewise.
12983 (anon_aggr_type_p): Likewise.
12984 (lang_expand_expr_stmt): Likewise.
12985 (build_case_label): Likewise.
12987 * c-decl.c (lang_expand_expr_stmt): Initialize.
12988 (stmts_are_full_exprs_p): Define.
12989 (current_function_name_declared): Likewise.
12990 (do_case): Likewise.
12991 (lang_expand_stmt): Likewise.
12992 (set_current_function_name_declared): Likewise.
12993 (anon_aggr_type_p): Likewise.
12995 * c-semantics.c: New file.
12996 (expand_cond): Moved from cp/semantics.c.
12997 (genrtl_do_pushlevel): Likewise.
12998 (genrtl_clear_out_block): Likewise.
12999 (genrtl_goto_stmt): Likewise.
13000 (genrtl_expr_stmt): Likewise.
13001 (genrtl_decl_stmt): Likewise.
13002 (genrtl_if_stmt): Likewise.
13003 (genrtl_while_stmt): Likewise.
13004 (genrtl_do_stmt): Likewise.
13005 (genrtl_return_stmt): Likewise.
13006 (genrtl_for_stmt): Likewise.
13007 (genrtl_break_stmt): Likewise.
13008 (genrtl_continue_stmt): Likewise.
13009 (genrtl_scope_stmt): Likewise.
13010 (genrtl_switch_stmt): Likewise.
13011 (genrtl_case_label): Likewise.
13012 (genrtl_begin_compound_stmt): Likewise.
13013 (genrtl_finish_compound_stmt): Likewise.
13014 (genrtl_compound_stmt): Likewise.
13015 (genrtl_asm_stmt): Likewise.
13016 (genrtl_decl_cleanup): Likewise.
13017 (make_rtl_for_local_static): Moved from cp/decl.c.
13018 (emit_local_var): Likewise.
13019 (expand_stmt): Define.
13021 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
13022 (c_expand_return): Likewise.
13023 (c_expand_start_case): Likewise.
13025 2000-07-01 Richard Henderson <rth@cygnus.com>
13027 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
13028 with the low 13 bits set.
13029 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
13030 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
13031 of the low 13 bits into a CONST plus an adddi3.
13032 (load_symptr): Set RTX_UNCHANGING_P.
13034 See ChangeLog.3 for earlier changes.