1 2000-11-29 David O'Brien <obrien@FreeBSD.org>
3 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
4 (ASM_DECLARE_OBJECT_NAME): Same.
6 (ASM_FINISH_DECLARE_OBJECT): Same.
7 (ASM_IDENTIFY_GCC): Same.
8 (ASM_IDENTIFY_LANGUAGE): Same.
9 (ASM_OUTPUT_CONSTRUCTOR): Same.
10 (ASM_OUTPUT_DEF): Same.
11 (ASM_OUTPUT_DESTRUCTOR): Same.
12 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
13 (ASM_OUTPUT_SECTION_NAME): Same.
14 (ASM_WEAKEN_LABEL): Same.
15 (BSS_SECTION_ASM_OP): Same.
16 (COMMON_ASM_OP): Same.
17 (CONST_SECTION_ASM_OP): Same.
18 (CONST_SECTION_FUNCTION): Same.
19 (CTORS_SECTION_ASM_OP): Same.
20 (DTORS_SECTION_ASM_OP): Same.
22 (FINI_SECTION_ASM_OP): Same.
25 (INIT_SECTION_ASM_OP): Same.
27 (MAX_OFILE_ALIGNMENT): Same.
28 (SBSS_SECTION_ASM_OP): Same.
29 (SDATA_SECTION_ASM_OP): Same.
30 (SECTION_FUNCTION_TEMPLATE): Same.
31 (SELECT_SECTION): Same.
32 (SE_CONST_SECTION): Same.
35 (STRING_ASM_OP): Same.
38 (TYPE_OPERAND_FMT): Same.
40 2000-11-29 Neil Booth <neilb@earthling.net>
42 * c-decl.c (c_decode_option): Don't handle -lang-objc.
43 * objc/lang-options.h: Remove -lang-objc.
44 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
45 * objc/objc-act.c (lang_init_options): Set c_language.
47 2000-11-29 Jakub Jelinek <jakub@redhat.com>
49 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
52 2000-11-29 Neil Booth <neilb@earthling.net>
54 * c-pragma.c (init_pragma): Update for parse_in type change.
56 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
58 * configure.in: recognize DOS-style absolute paths.
60 2000-11-29 Jakub Jelinek <jakub@redhat.com>
62 * expr.h (store_by_pieces): Add prototype.
63 (can_store_by_pieces): Likewise.
64 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
65 (can_store_by_pieces): New.
66 (store_by_pieces): New.
67 (clear_by_pieces): New.
68 (clear_by_pieces_1): New.
69 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
70 arbitrary compiler generated constants into memory block.
71 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
72 * builtins.c (c_readstr): New.
73 (builtin_memcpy_read_str): New.
74 (expand_builtin_memcpy): If src is string constant and
75 emit_block_move would move it by pieces, compute integer constants
76 from the string and store it into memory block instead.
77 (builtin_strncpy_read_str): New.
78 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
79 not return INTEGER_CST, don't optimize.
80 If N is larger than strlen(src) + 1, try to copy the string
81 including padding with store_by_pieces.
82 (expand_builtin_strcmp): If both arguments have side effects, don't
84 (expand_builtin_fputs): If STR has side effects, don't optimize.
86 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
88 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
89 Add use of link register.
91 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
93 * extend.texi: Update documentation for default format attributes.
95 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
97 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
98 a list, to keep track of the sections.
100 2000-11-28 Nick Clifton <nickc@redhat.com>
102 * config/arm/arm.md (pic_load_addr): Split into
103 pic_load_addr_arm and pic_load_addr_thumb.
105 * config/arm/arm.c (legitimize_pic_address): Generate either
106 ARM or Thumb versions of pic_load_addr.
107 (arm_finalize_pic): Generate either ARM or Thumb versions of
110 2000-11-28 Richard Henderson <rth@redhat.com>
112 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
113 after sibcall do_pending_stack_adjust.
115 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
117 * jump.c (delete_insn): Check that REG_LABEL note actually contains
120 2000-11-28 Neil Booth <neilb@earthling.net>
122 * c-common.h: Remove flag_digraphs.
123 * c-decl.c: Remove flag_digraphs.
124 (c_decode_option): Don't set it.
125 * c-lex.c (init_c_lex): Don't do anything for digraphs.
127 2000-11-28 Richard Henderson <rth@redhat.com>
129 * c-parse.in (finish_parse): Update for parse_in type change.
132 2000-11-28 Neil Booth <neilb@earthling.net>
134 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
135 indicating whether to scan all buffers on the stack or
137 * cppinit.c (do_includes): Update.
138 * cppmain.c (main): Update.
139 * cpplib.h: Update prototype.
141 2000-11-28 Richard Henderson <rth@redhat.com>
143 * genoutput.c (validate_insn_operands): New.
146 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
147 (divmoddi_internal): Likewise.
148 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
149 * config/i960/i960.md (branch patterns): Likewise.
150 * config/ia64/ia64.md (tbit_and_0): Likewise.
151 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
152 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
153 * config/mips/mips.md (divmodsi4_internal): Likewise.
154 (divmoddi4_internal): Likewise.
155 * config/rs6000/rs6000.md (call patterns): Likewise.
156 * config/sh/sh.md (movsi_y): Likewise.
157 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
159 2000-11-28 Richard Henderson <rth@redhat.com>
161 * config.gcc: Kill residual pyramid support.
163 2000-11-28 Neil Booth <neilb@earthling.net>
165 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
166 * c-decl.c (c_decode_option): Update to match.
167 * c-lex.c (init_c_lex, yyparse): Update to match.
168 * c-lang.c (lang_init_options): Use cpp_create_reader.
169 * cppinit.c (cpp_init): Rename initialize.
170 (cpp_reader_init): Rename cpp_create_reader. Create the
171 reader. Initialize cpplib if appropriate.
172 * cpplib.h (cpp_create_reader) New prototype.
173 (cpp_init, cpp_reader_init): Delete prototypes.
174 * cppmain.c (general_init, setup_callbacks): New functions.
176 * fix-header.c (scan_in): Change type to cpp_reader *.
177 (read_scan_file): Update for new cpplib interface and scan_in type.
179 * cp/decl.c (parse_in): Change to cpp_reader *.
180 (lang_decode_option): Update.
181 * cp/lex.c (lang_init_options): Use new cpplib interface.
182 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
183 * cp/spew.c (read_token): Update.
184 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
186 2000-11-28 Jakub Jelinek <jakub@redhat.com>
188 * loop.c (load_mems): Avoid using next_label to find end_label. If
189 jumping outside of the loop (other than loop end), don't hoist MEMs
192 2000-11-28 Jan Hubicka <jh@suse.cz>
194 * calls.c (expand_call): Don't disable tail recursion based
197 2000-11-28 Neil Booth <neilb@earthling.net>
199 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
200 (struct directive): Drop 4th argument from handlers.
201 (do_define, do_line, do_include, do_undef, do_else, do_elif,
202 do_endif): Similarly.
203 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
204 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
205 (make_definition, make_undef): Take a const char*.
206 (make_assertion): New function.
207 (struct directive_table): Update.
208 (main): Handle -A command line argument.
209 (handle_directive): Drop fourth handler argument.
211 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
213 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
214 is anything but REG or MEM, but look inside STRICT_LOW_PART.
216 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
218 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
219 (IS_ABSOLUTE_PATHNAME): New macro.
220 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
222 2000-11-28 Jakub Jelinek <jakub@redhat.com>
224 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
226 2000-11-27 Jim Wilson <wilson@redhat.com>
228 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
230 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
232 * extend.texi (Nested Functions): Update URL of Usenix paper.
234 2000-11-27 Mark Mitchell <mark@codesourcery.com>
236 * function.c (free_after_compilation): Clear x_clobber_return_insn.
238 2000-11-27 Neil Booth <neilb@earthling.net>
240 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
241 command line options.
242 (cpp_handle_option): Similarly.
243 * cpplib.h (struct cpp_options): Remove warn_paste.
244 * cppmacro.c (paste_tokens): Apart from assembler, make
245 unpasteable token warning mandatory.
247 2000-11-27 Neil Booth <neilb@earthling.net>
249 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
250 (main): Allocate a pending directive set of these. Use it.
251 Merge handling of -D and -U. Update handling of pending
252 directives. Free the memory after use.
254 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
256 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
257 (struct propagate_block_info): Add new member cond_local_set.
258 (propagate_block): Accept new arg cond_local_set. All callers
260 (init_propagate_block_info): Likewise.
261 (calculate_global_regs_live): Allocate & free cond_local_set. Always
262 rescan if there's overlap between cond_local_set and new_live_at_end.
263 (mark_set_1): Set bits either in cond_local_set or local_set, as
265 * basic-block.h (struct basic_block_def): New field cond_local_set.
266 (propagate_block, init_propagate_block_info): Update prototypes.
268 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
270 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
273 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
275 * arm.c (select_dominance_cc_mode): Handle new way that combine
276 canonicalizes conditional compares.
277 (arm_select_cc_mode): Likewise.
278 * arm.md: Garbage collect some dead code.
279 (cmp_and, cmp_ior): New patterns.
280 (splitter for conditional move with inverted false): Use cond_exec
281 and handle unordered comparisons.
283 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
285 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
286 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
287 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
288 ix86_force_to_memory and ix86_free_from_memory.
290 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
292 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
293 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
294 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
295 one_cmpldi2): Merge with splitters to create define_insn_and_split
296 patterns. Remove redundant splits.
297 (peephole2 for add:SI of invalid immediate): New.
298 (peephole2 for minus:SI of invalid immediate): New.
299 (peephole2 for ior:SI of invalid immediate): New.
300 (peephole for merge of move and compare): Convert ot peephole2.
301 (addsf3, adddf3): Mark as commutative.
303 * arm.md (thumb peephole for merging stack adjustments): Convert to
306 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
308 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
310 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
311 (reload_cse_simplify_operands): Do nothing about operands where both
312 the operand and the match_operand fail to give us a mode.
313 * simplify-rtx.c (wrap_constant): New function.
314 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
315 CONST describing the proper mode.
316 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
318 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
319 htab_find_slot_with_hash.
320 (cselib_lookup): Likewise.
322 Based on a patch from Geoff Keating <geoffk@redhat.com>:
323 * loop.c (basic_induction_var): If a REG is set from something
324 that is not a biv, then the REG is not a biv. Even if it is
325 earlier set from something that is a biv.
327 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
329 * configure.in (extra_objs): Enclose extra_headers in quotes.
330 * configure: Rebuilt.
332 2000-11-27 Neil Booth <neilb@earthling.net>
334 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
335 Combine into the new function cb_change_file.
336 (init_c_lex): Update.
337 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
338 (cpp_syshdr_flags): Delete.
339 * cpphash.h (_cpp_do_file_change): New prototype.
340 Move struct cpp_buffer here from...
341 * cpplib.h (struct cpp_buffer): ... here.
342 (enum cpp_fc_reason, struct cpp_file_loc,
343 struct_cpp_file_change, change_file): New.
344 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
345 * cpplib.c (do_line): Update for new cb_change_file callback.
346 (_cpp_do_file_change): New function.
347 (_cpp_pop_buffer): Update to use it.
348 * cppmain.c (move_printer): Delete.
349 (main): Set up single callback cb_change_file.
350 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
351 (cb_change_file): New.
352 * fix-header.c (cur_file, cb_change_file): New.
353 (recognized_function, read_scan_file): Update.
354 * scan-decls.c (scan_decls): Update.
355 * scan.h (recognized_function): Update prototype.
357 2000-11-26 Mark Mitchell <mark@codesourcery.com>
359 * tree.h (mark_tree_hashtable): New function.
360 * tree.c (mark_tree_hashtable_entry): New function.
361 (mark_tree_hashtable): Likewise.
363 2000-11-27 Michael Meissner <meissner@redhat.com>
365 * d30v-protos.h (srelational_si_operator): Correctly spell
367 (urelational_si_operator): Ditto.
368 (relational_si_operator): Ditto.
369 (d30v_expand_prologue): Add prototype.
370 (d30v_expand_epilogue): Ditto.
372 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
374 * d30v.md (movcccc_*): Delete now unused patterns.
375 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
377 (define_cond_exec): Use 'b' to select branch flags.
379 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
381 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
383 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
385 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
387 * c-common.c (c_common_nodes_and_builtins): Declare builtin
390 * extend.texi (strncmp, strncpy): Document new builtins.
392 2000-11-26 Mark Mitchell <mark@codesourcery.com>
394 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
395 a list, to keep track of the sections.
396 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
397 parameter provided will always be a canonical string.
399 2000-11-26 Neil Booth <neilb@earthling.net>
401 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
404 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
406 * makefile.vms: Remove EGCS references.
408 2000-11-26 Ulrich Drepper <drepper@redhat.com>
410 * dwarf2out.c (output_file_names): New function. Compute minimal
411 combination of directory and file name table and emit them.
412 (output_line_info): Remove code to emit directory and file name
413 table and call output_file_names instead.
414 (file_info_cmp): Helper function to sort directory names.
416 2000-11-26 Neil Booth <neilb@earthling.net>
418 * cpplib.h (struct cpp_reader): Remove lang_asm.
419 (struct cpp_options): Remove c89. New members lang,
421 * cppexp.c (parse_number): Use them.
422 * cpphash.h (VALID_SIGN): Use them.
423 * cppinit.c (set_lang, cpp_start_read): Update.
424 * cpplex.c (parse_string, _cpp_lex_token): Update.
425 * cpplib.c (_cpp_handle_directive): Update.
426 * cppmacro.c (parse_args): Update.
427 * cppmain.c (scan_buffer): Update.
429 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
431 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
434 2000-11-26 Neil Booth <neilb@earthling.net>
436 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
437 * c-decl.c: Remove parse_in declaration.
438 * c-lang.c: Similarly.
439 * c-lex.c: Similarly.
440 * c-parse.in: Similarly.
441 * c-pragma.c: Similarly.
442 * configure.in: Similarly.
443 * cp/Make-lang.in: Similarly.
444 * cp/spew.c: Similarly.
445 * cp/decl2.c: Remove check for lang-c++ option.
446 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
447 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
448 * c-lex.h: Add declaration of parse_in.
449 * cppinit.c: Call set_lang after allocating pfile->pending.
450 * configure: Regenerate.
452 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
454 * combine.c (try_combine): Remove redundant test.
456 2000-11-25 Richard Henderson <rth@redhat.com>
458 * c-common.h (DECL_C_HARD_REGISTER): New.
459 * c-decl.c (finish_decl): Set it for asm register variables.
460 * c-semantics.c (emit_local_var): Test it when instantiating one.
462 2000-11-25 Richard Henderson <rth@redhat.com>
464 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
465 lineno for the start of the function.
467 2000-11-25 Richard Henderson <rth@redhat.com>
469 * dwarf2out.c (file_table, file_table_allocated): Remove.
470 (file_table_allocated): Remove.
471 (struct file_table): New.
472 (decl_file_table, line_file_table): New.
473 (print_dwarf_line_table): Use them.
474 (size_of_line_prolog): Likewise.
475 (output_line_info): Likewise.
476 (add_src_coords_attributes): Likewise.
477 (gen_subprogram_die): Likewise.
478 (gen_variable_die): Likewise.
479 (dwarf2out_add_library_unit_info): Likewise.
480 (dwarf2out_line): Likewise.
481 (lookup_filename): Take a struct file_table argument.
482 (init_file_table): New.
483 (dwarf2out_init): Use it.
485 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
487 * invoke.texi: Update sequence points references.
489 2000-11-25 Neil Booth <neilb@earthling.net>
491 * c-common.c: Remove USE_CPPLIB conditional inclusions.
492 * c-common.h: Similarly.
493 * c-decl.c: Similarly.
494 * c-lang.c: Similarly.
495 * c-lex.c: Similarly.
496 * c-parse.in: Similarly.
497 * c-pragma.c: Similarly.
498 * c-pragma.h: Similarly.
500 * toplev.c: Similarly.
501 * cp/cp-tree.h: Similarly.
502 * cp/decl2.c: Similarly.
503 * cp/lang-specs.h: Similarly.
504 * cp/lex.c: Similarly.
505 * cp/lex.h: Similarly.
506 * cp/spew.c: Similarly.
507 * java/lang-options.h: Similarly.
508 * objc/lang-specs.h: Similarly.
509 * objc/objc-act.c: Similarly.
511 * configure.in: Remove configure option.
512 * config.in: Regenerate.
513 * configure: Regenerate.
515 2000-11-25 Richard Henderson <rth@redhat.com>
517 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
518 Revert 2000-11-22 change.
520 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
522 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
525 2000-11-25 Philipp Thomas <pthomas@suse.de>
526 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
527 * configure: Rebuilt.
529 2000-11-25 Jakub Jelinek <jakub@redhat.com>
531 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
532 Handle CONST_INT as second argument.
533 * config/sparc/sparc.c (set_extends): Remove first argument.
534 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
536 (sparc_check_64): Abort if first argument is not REG.
537 If it is DImode REG, look at the lower register of the register
540 * config/sparc/sparc.c (load_pic_register, restore_regs,
541 output_return, sparc_v8plus_shift, sparc_function_profiler,
542 sparc_function_block_profiler, sparc_block_profiler): Fix output
545 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
547 * config/sh/sh.h (TARGET_NONE): New.
548 (TARGET_SWITCHES): For all variant-selecting switch, use
549 TARGET_NONE to reset all other variant-selecting switch. Added
550 empty strings to avoid warnings.
551 (TARGET_DEFAULT): Set to SH1_BIT.
553 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
556 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
557 (sibcall_pcrel): New insn_and_split.
558 (sibcall, sibcall_value, sibcall_epilogue): New expands.
560 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
561 symPLT_label2reg, call, call_value): Don't set
562 current_function_uses_pic_offset_table.
563 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
564 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
565 takes it into account.
566 (FINALIZE_PIC): Delete, useless.
567 (LEGITIMATE_CONSTANT_P): Delete, unused.
568 * config/sh/sh.c (sh_expand_prologue): Don't use
569 current_function_uses_pic_offset_table. Don't special-case
570 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
572 (sh_expand_epilogue, initial_elimination_offset): Don't
573 special case PIC_OFFSET_TABLE_REGNUM.
575 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
577 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
578 * config/sh/sh.md (UNSPEC_CALLER): New constant.
579 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
580 (call_pcrel, call_value_pcrel): New insn_and_splits.
581 (call, call_value): Use them.
582 (call_site): New expand.
583 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
584 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
585 Output call_site label.
586 (PREDICATE_CODES): Added symbol_ref_operand.
587 * config/sh/sh.c (symbol_ref_operand): Define.
588 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
589 to CALL_INSNs in the split sequence.
591 2000-11-24 Nick Clifton <nickc@redhat.com>
593 * config.gcc (v850-*-*): Define c_target_objs and
596 * config/v850/t-v850: Define how to build v850-c.o
598 * config/v850/v850.h (struct data_area_stack_element): Move
599 definition here from v850.c.
601 * config/v850v850.c: Include gcc.h to avoid compile time
603 (push_data_area): Move to v850-c.c.
604 (pop_data_area): Move to v850-c.c.
605 (mark_current_function_as_interrupt): Move to v850-c.c.
606 (GHS_default_section_names): Allow to be exported.
607 (GHS_current_section_names): Allow to be exported.
608 (data_area_stack_elements): Allow to be exported.
609 (ghs_pragma_section): Move to v850-c.c.
610 (ghs_pragma_interrupt): Move to v850-c.c.
611 (ghs_pragma_starttda): Move to v850-c.c.
612 (ghs_pragma_startsda): Move to v850-c.c.
613 (ghs_pragma_startzda): Move to v850-c.c.
614 (ghs_pragma_endtda): Move to v850-c.c.
615 (ghs_pragma_endsda): Move to v850-c.c.
616 (ghs_pragma_endzda): Move to v850-c.c.
618 * config/v850/v850-c.c: New file: Contains v850 specific
619 pragma parsing functions.
621 2000-11-24 Nick Clifton <nickc@redhat.com>
623 * config.gcc (extra_objs): Remove duplicate description.
624 (c_target_objs): New variable. Contains target specific
625 object files for the gcc C compiler only.
626 (cxx_target_objs): New variable. Contains target specific
627 object files for the gxx C++ compiler only.
629 * configure.in (c_target_objs): Substitute in the makefile.
630 (cxx_target_objs): Substitute in the makefile.
631 * configure: Regenerate.
633 * Makefile.in (C_TARGET_OBJS): Define and initialise from
635 (CXX_TARGET_OBJS): Define and initialise from
637 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
639 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
641 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
642 about how the use of the 'c_lex' function requires the use of
643 the target specific, language specific object files feature of
644 the configuration mechanism.
646 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
648 * gcc.c (process_command): Use F_OK, not R_OK.
650 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
652 * flow.c (print_rtl_and_abort): Remove ANSIism.
654 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
656 * config/sh/sh.h (GENERAL_REGISTER_P,
657 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
658 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
660 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
661 * config/sh/sh.c: Use new macros.
662 * config/sh/sh.md: Likewise.
664 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
666 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
667 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
670 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
672 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
674 (machine_dependent_reorg): Wrong optimization based on
675 NOTICE_UPDATE_CC removed.
677 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
679 * jump.c (delete_computation): Re-instate deletion of feeding insn.
680 (delete_insn): Look for REG_LABEL notes.
681 (redirect_tablejump): Delete feeding insns.
683 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
685 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
686 call_value_pop_1): Make sure operand numbers are contiguous.
688 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
690 * reload1.c (conflicts_with_override): New function.
691 (emit_input_reload_insns): Use it to tighten test for validity
692 of substituting into output of previous insn.
694 * haifa-sched.c (struct ready_list): New.
695 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
697 (schedule_insn): Replace args READY and N_READY with a pointer to a
698 ready_list; return void. Use the new functions to access the ready
699 list. All callers changed.
700 (queue_to_ready, debug_ready_list): Likewise.
701 (schedule_block): Initialize a ready_list structure. Use new
702 functions to access it.
703 (max_priority): Remove unused variable.
704 (schedule_insn): Don't set it.
706 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
708 * combine.c (cant_combine_insn_p): New function.
709 (try_combine): Use it.
711 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
712 * c-common.c (c-obstack.c): Include "obstack.h".
713 (struct reverse_tree): Delete.
714 (reverse_list, reverse_max_depth): Delete.
715 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
716 (struct tlist, struct tlist_cache): New.
717 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
718 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
719 warn_for_collisions, warn_for_collisions_1, new_tlist): New
721 (verify_sequence_points): Rewritten.
722 * fold-const.c (fold): Don't lose possibly important sequence
723 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
725 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
727 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
728 when reversing a register-to-register copy. Reversal now disabled
729 when the previous instruction has a REG_EQUIV.
731 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
733 * c-parse.in (unary_expr): Move VA_ARG from here ...
734 (primary): ... to here.
736 2000-11-23 Graham Stott <grahams@redhat.com>
738 * expr.c (store_constructor): If a field is non addressable and
739 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
741 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
743 * flow.c (print_rtl_and_abort): New function.
744 (verify_wide_reg, verify_local_live_at_start): Try to dump more
745 information before aborting.
747 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
749 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
750 is narrower than requested mode.
751 (gen_highpart): Abort if register mode is narrower than
754 2000-11-23 Graham Stott <grahams@redhat.com>
756 * cse.c (cse_insn): Initialise all regcost variables.
757 Fix a typo add missing '='.
758 Only compare costs if there is a replacement insn.
760 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
762 * final.c (output_addr_const) [LABEL_REF]: Simplify.
763 [MINUS]: Enclose non-CONST_INTs in parentheses.
764 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
765 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
766 * varasm.c (decode_rtx_const) [CONST]: If it's not something
767 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
768 instead of abort()ing.
769 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
770 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
771 formerly handled in output_pic_addr_const.
772 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
773 operands of MINUS in CONSTs so that decode_rtx_const() will
776 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
778 * config/sh/sh.md (mova_const): New pattern.
779 (GOTaddr2picreg): Use it.
780 * config/sh/sh.c (broken_move): Match it.
781 (mova_p): Don't match it.
782 (machine_dependent_reorg): Adjust it.
784 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
786 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
787 Moved most register-number #defines...
788 * config/sh/sh.md (define_constants): ... here. Use macros to
789 refer to registers and unspecs.
790 * config/sh/sh.c: Likewise.
792 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
794 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
795 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
796 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
797 (splay-tree.o, hash.o): Likewise.
799 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
800 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
801 (hashtab.o): Likewise.
802 (gcov.o): Depend on $(CONFIG_H).
803 * configure.in: #include insn-codes.h in tm.h.
805 2000-11-22 Nick Clifton <nickc@redhat.com>
807 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
808 const char * to avoid a compile time warning.
810 * config/arm/arm.md (define_constants): Define symbolic names for
811 the link register, last integer register and the fake CC register.
812 Update patterns to use these symbolic names.
814 2000-11-22 Neil Booth <neilb@earthling.net>
816 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
817 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
819 2000-11-22 Richard Henderson <rth@redhat.com>
821 * haifa-sched.c (sched_analyze_1): Don't special-case calls
822 for clobbering registers.
823 (sched_analyze_2): Likewise.
824 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
826 2000-11-22 Chris Demetriou <cgd@sibyte.com>
827 Neil Booth <neilb@earthling.net>
829 * gcc.c (validate_switches): Validate multiple switches named
830 in '|' (or) expressions in specs.
831 (handle_braces): If more than 1 alternative in a '|' spec
832 matches, call do_spec1 just once.
834 2000-11-22 Michael Meissner <meissner@redhat.com>
836 * d30v.h (TARGET_SWITCHES): Add documentation strings.
837 (TARGET_OPTIONS): Ditto.
838 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
841 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
843 * pa.c (hppa_encode_label): Account for addition of encoding
844 character when allocating persistent space for the new label
847 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
849 * Makefile.in, config.gcc, configure.in: Expunge remaining
850 traces of facility for running MD files through C preprocessor.
852 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
854 * gcov.texi: Add magic comments for texi2pod.pl.
855 * Makefile.in: Add rules to generate and install gcov.1.
856 * gcov.1: New (generated) file.
858 2000-11-21 Richard Henderson <rth@redhat.com>
860 * regrename.c (scan_rtx_reg): Terminate the chain rather than
861 abort on mark_read with NO_REGS.
863 2000-11-21 Mike Stump <mrs@wrs.com>
865 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
866 compilation with older compilers, such as /bin/cc on SunOS.
867 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
869 2000-11-21 Richard Henderson <rth@redhat.com>
871 * varasm.c (record_constant): Pad the constructed
872 constant_descriptor appropriately.
874 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
876 * rtl.h (traverse_md_constants): Declare.
877 (struct md_constant): Define.
878 * Makefile.in (HOST_RTL): Add hashtab.o .
879 (OBJS): Add hashtab.o .
880 (hashtab.o): New rule.
881 (rtl.o): Depends on HASHTAB_H.
882 * rtl.c (hashtab.h): #include.
883 (md_constants): New static variable.
884 (def_hash, def_name_eq_p, read_constants): New static functions.
885 (traverse_md_constants): New function.
886 (read_name): Do constant expansion.
887 (read_rtx): Recognize define_constants.
888 * gencodes.c (print_md_constant): New function.
889 (main): Emit #defines for all constant definitions encountered.
890 * md.texi (Constant Definitions): New node.
891 * gensupport.c (xcalloc): New function.
893 2000-11-21 Richard Henderson <rth@redhat.com>
895 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
896 * config/alpha/alpha-protos.h: Declare it.
897 * config/alpha/alpha.md (abstf_internal): Use it.
898 (negtf_internal): Likewise.
899 (andnotdi3): Unstar the name.
900 (movtf_internal): Add o/G alternative.
902 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
904 * stringpool.c (stringpool_statistics): Also report number and
905 percentage of entries which are identifiers.
907 2000-11-21 Diego Novillo <dnovillo@redhat.com>
909 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
910 visited before visiting it.
912 2000-11-21 Nick Clifton <nickc@redhat.com>
914 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
915 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
917 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
919 2000-11-21 Richard Henderson <rth@redhat.com>
921 * c-common.c (c_unsafe_for_reeval): New function.
922 (add_c_tree_codes): Register it.
923 * c-common.h: Declare it.
924 * tree.c (lang_unsafe_for_reeval): New hook.
925 (unsafe_for_reeval): Call it.
926 * tree.h: Declare it.
928 2000-11-21 Richard Henderson <rth@redhat.com>
930 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
933 2000-11-21 Neil Booth <neilb@earthling.net>
935 * do_includes: Revert to using cpp_read_file.
937 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
939 * loop.c (consec_sets_giv): If the reg we're examining is anything
940 but UNKNOWN_INDUCT, do nothing.
941 Reset the reg's type to UNKNOWN_INDUCT before returning.
943 Mostly from Vladimir Makarov (vmakarov@redhat.com)
944 * ia64.md (attr itanium_class): Define insn types as described in
946 (all insn patterns): Use itanium_class, not type attributes.
947 Occasionally split alternatives as necessary.
948 (attr type): Compute from new attr itanium_class.
950 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
952 * tradcpp.c (output_line_command): Mark system headers as such in
955 2000-11-21 Jakub Jelinek <jakub@redhat.com>
957 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
958 support in as as well.
959 * configure: Regenerate.
961 2000-11-20 Richard Henderson <rth@redhat.com>
963 * c-lex.c (orig_filename): New variable.
964 (init_c_lex): Set it. Move call to cpp_start_read ...
965 (yyparse): ... here. New function.
966 * c-parse.in (yyparse_1): Rename the parser entry point.
967 * c-tree.h: Declare it.
969 2000-11-21 Jakub Jelinek <jakub@redhat.com>
971 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
972 integer constant, use type of op1 for comparison.
974 2000-11-20 Stan Shebs <shebs@apple.com>
976 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
977 * config/rs6000/x-darwin: New file, Darwin host fragment.
978 * config.gcc (powerpc-*-darwin*): New host.
979 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
980 overridden by a config file.
982 2000-11-20 Neil Booth <neilb@earthling.net>
984 * cppmacro.c (paste_tokens): Rename from paste_payloads.
985 Change token type after pasting spellings.
986 (paste_all_tokens): Use it.
987 * gcc.dg/cpp/paste2.c: Update test.
988 * objc/execute/paste.m: New test.
990 2000-11-20 Richard Henderson <rth@redhat.com>
992 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
993 dwarf_subscr_data_formats bits.
994 * dwarfout.c (simple_type_size_in_bits): Handle a type with
995 no computed size as size zero.
996 (field_byte_offset): Likewise.
997 (subscript_data_attribute): Handle a range with no upper bound.
999 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1001 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
1003 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
1005 * c-typeck.c (build_conditional_expr): When merging type
1006 qualifiers for conditional expressions between a pointer and a
1007 pointer to a void type, merge the qualifiers on the target types
1008 rather than the pointer type. Remove obsolete conditioned out
1011 2000-11-20 Neil Booth <neilb@earthling.net>
1013 * c-lang.c (lang_init_options): Update call to
1015 * cppmain.c (main): Similarly.
1016 * fix-header.c (read_scan_file): Similarly.
1017 * cp/lex.c (lang_init_options): Similarly.
1018 * objc/objc-act.c (lang_init_options): Similarly.
1019 * cppexp.c (parse_number): Only warn for unextended C89.
1020 * cppinit.c (set_lang): New function.
1021 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
1022 (COMMAND_LINE_OPTIONS): New option std=c++98.
1023 (cpp_handle_option): Use set_lang.
1024 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
1025 * cppib.h (enum_c_lang): New enumeration. Update comments.
1027 2000-11-20 Will Cohen <wcohen@redhat.com>
1029 * calls.c (expand_call): Clear target only when target is in
1030 hard register and current_function_check_memory_usage is set.
1032 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
1034 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
1036 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
1038 2000-11-19 Richard Henderson <rth@redhat.com>
1040 * crtstuff.c (force_to_data): Use array size 1 not 0.
1042 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
1043 no computed size as size zero.
1044 (field_byte_offset): Likewise.
1046 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
1048 * config.gcc: Fix another typo.
1050 2000-11-19 Richard Henderson <rth@redhat.com>
1052 * c-decl.c (grokdeclarator): Support flexible array members.
1053 Use open-ended ranges for these and zero-length arrays.
1054 * c-typeck.c (push_init_level): Validate the context of
1055 initialization of a zero-length array.
1056 * tree.c (int_fits_type_p): Be prepared for missing bounds.
1057 * varasm.c (array_size_for_constructor): New.
1058 (output_constructor): Use it for arrays of unspecified length.
1059 * extend.texi (Zero Length): Mention C99 flexible array members.
1060 Document initialization in a top-level struct as valid.
1062 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
1064 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
1066 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
1067 stdarg and varargs functions.
1069 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
1071 * gcc.c (process_command): Define 'j' variable when
1072 MODIFY_TARGET_NAME is defined.
1074 2000-11-19 Richard Henderson <rth@redhat.com>
1076 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
1078 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1080 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
1081 calculation and allocation.
1083 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1085 * builtins.c (c_getstr): Constify variable.
1086 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
1087 * conflict.c (const_conflict_graph_arc): New typedef.
1088 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
1089 * cppmacro.c (builtin_macro): Likewise.
1090 * dwarf2out.c (output_comp_unit): Constify variable.
1091 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
1092 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
1093 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
1095 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
1096 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
1097 * varasm.c (const_str_htab_hash, const_str_htab_eq,
1098 compare_constant_1, record_constant_1): Constify.
1100 2000-11-18 Richard Henderson <rth@redhat.com>
1102 * c-decl.c (grokdeclarator): Special case the creation of an
1103 index for a zero-length array.
1104 * tree.c (build_index_type): Revert Oct 20 change.
1106 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
1108 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
1109 * config/avr/avr.c (jump_tables_size): New variable.
1110 (function_prologue): Initialize it as 0.
1111 (function_epilogue): Add it to function_size.
1112 (avr_output_addr_vec_elt): New function. Count words in jump
1113 tables in jump_tables_size. Move code ...
1114 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
1115 Call avr_output_addr_vec_elt instead.
1116 * config/avr/avr.md (tablejump): Remove disabled define_expand.
1118 2000-11-18 Mark Mitchell <mark@codesourcery.com>
1120 * configure.in: Make --enable-new-gxx-abi the default.
1121 * configure: Likewise.
1123 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1125 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
1127 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
1128 Move extern function declarations to tradcpp.h.
1130 * tradcpp.c: Likewise.
1132 * tradcpp.h: New file.
1134 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
1136 * c-decl.c (check_for_loop_decls): New function.
1137 * c-parse.in (for_init_stmt): New.
1138 (select_or_iter_stmt): Use for_init_stmt.
1139 * c-tree.h (check_for_loop_decls): New declaration.
1141 2000-11-18 Neil Booth <neilb@earthling.net>
1143 * cppinit.c: Update comments.
1144 (cpp_reader_init): Make -imacro and -include use the standard
1145 #include "" search path.
1146 (do_includes): New function.
1148 2000-11-18 Ben Elliston <bje@redhat.com>
1150 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
1151 out of a branch delay slot.
1153 2000-11-17 Richard Henderson <rth@redhat.com>
1155 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1156 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
1157 (ASM_FILE_START): Only write out ecoff .file directive if
1158 emitting mdebug debugging.
1160 2000-11-17 Richard Henderson <rth@redhat.com>
1162 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
1163 whether as accepts .file/.loc and produces dwarf2 line info.
1164 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
1165 the assembler supports it.
1166 * config.in, configure: Regenerate.
1168 2000-11-17 Richard Henderson <rth@redhat.com>
1170 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
1172 2000-11-17 Jim Wilson <wilson@redhat.com>
1174 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
1175 Don't clear need_barrier is next_insn is a CALL_INSN, or has
1176 instruction type B or UNKNOWN.
1178 2000-11-17 Neil Booth <neilb@earthling.net>
1180 * cpperror.c (print_file_and_line): Don't display line number if 0.
1182 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
1184 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
1185 digit_vector and digit_string.
1186 * stringpool.c (digit_vector): New.
1187 (ggc_alloc_string): Use digit_string.
1189 * stmt.c (digit_strings): Delete.
1190 (init_stmt): Do not initialize digit_strings.
1191 (expand_asm_operands): Use ggc.h's digit_string macro.
1192 * toplev.c (mark_file_stack): Delete.
1193 (compile_file): Don't call init_tree_codes.
1194 (main): No need to make the file stack a GC root.
1195 * tree.c (init_tree_codes): Delete.
1196 * tree.h (init_tree_codes): Delete.
1198 * c-lex.c: Don't include ggc.h.
1199 (mark_splay_tree_node, mark_splay_tree): Delete.
1200 (init_c_lex): No need to ggc_strdup string constant. Don't add
1201 file_info_tree to GGC roots.
1202 (cb_enter_file, cb_rename_file): No need to ggc_strdup
1205 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
1207 * dbxout.c (dbxout_init),
1208 dwarf2out.c (dwarf2out_line),
1209 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
1210 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
1211 xcoffout.c (xcoffout_source_file),
1212 i386.c (load_pic_register):
1213 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
1215 * except.c (create_rethrow_ref),
1216 profile.c (init_edge_profiler),
1217 toplev.c (compile_file),
1218 varasm.c (named_section, assemble_static_space,
1219 assemble_trampoline_template, output_constant_def, force_const_mem),
1220 i386.c (load_pic_register),
1221 ia64.c (ia64_encode_section_info),
1222 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
1223 rs6000_emit_prologue, rs6000_emit_epilogue),
1224 rs6000.md (load_toc_aix_si, load_toc_aix_di):
1225 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
1227 * profile.c (output_func_start_profiler),
1229 i386.c (load_pic_register): No need to ggc_strdup string constant.
1231 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1233 * Makefile.in (config.status): Depend on config.gcc.
1234 * configure.in <for machine in $build $host $target>: Move
1235 contents of loop into config.gcc, removing autoconf quoting.
1236 Fix changequote bug for alpha*-*-vxworks*.
1237 * configure: Regenerate.
1240 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1242 * c-parse.in (if_prefix): Find the filename and line number at
1243 $-2 and $-1 respectively.
1244 * diagnostic.c (error_recursion): Add missing newline, use
1245 fputs, translate string.
1247 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1249 * stringpool.c: New file.
1250 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
1251 (ggc_alloc_string): Now in stringpool.o.
1252 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
1253 * ggc.h: Delete prototype of ggc_add_string_root. #define
1254 ggc_add_string_root and ggc_mark_string to nothing. Prototype
1255 init_stringpool and stringpool_statistics.
1256 (ggc_alloc_string): Returns a const char *.
1257 * tree.c (hash_table, do_identifier_warnings): Delete.
1258 (init_obstacks): Don't initialize the identifier hash table.
1259 (get_identifier, maybe_get_identifier, start_identifier_warnings,
1260 set_identifier_size): Now in stringpool.c.
1261 * tree.h (struct tree_string): Constify pointer field.
1262 (approx_sqrt): Prototype.
1264 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
1266 * toplev.c (approx_sqrt): New function.
1267 (compile_file): Call stringpool_statistics if mem_report is on.
1268 (main): Call init_stringpool.
1270 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
1271 (process_directive), c-typeck.c (constructor_asmspec, struct
1272 initializer_stack, start_init), except.c (create_rethrow_ref),
1273 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
1274 (built_in_filename), varasm,c (in_named_name,
1275 assemble_static_space, struct constant_descriptor, struct
1276 deferred_string, struct pool_constant, force_const_mem),
1277 i386.c (pic_label_name, global_offset_table_name), rs6000.c
1278 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
1280 * c-common.c (combine_strings): Combine strings in scratch
1281 buffer, then pass to build_string.
1282 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
1283 output_func_start_profiler), stmt.c (init_stmt), alpha.c
1284 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
1285 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
1286 rs6000.c (rs6000_encode_section_info): Create string in
1287 scratch buffer, then pass to ggc_alloc_string.
1289 * stmt.c (expand_asm_operands): If we must adjust the
1290 constraint strings, do so by creating a new one, not by
1291 modifying the old one in place. Constify some char *s.
1292 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
1293 argument. Create string in scratch buffer, then pass to
1295 * config/pa/pa-protos.h: Update prototype.
1296 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
1297 hppa_encode_label takes only one argument.
1299 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1301 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
1304 * cpplib.c (glue_header_name): Likewise.
1306 * fixincl.c (run_compiles, start_fixer): Likewise.
1308 * fixlib.c (load_file_data): Likewise.
1310 * mkdeps.c (munge): Likewise.
1312 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1314 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
1315 trailing ';'. Fix formatting.
1317 2000-11-16 Jim Wilson <wilson@redhat.com>
1319 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
1320 Shift masks left by one to avoid conflict.
1322 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
1325 2000-11-16 Nick Clifton <nickc@redhat.com>
1327 * config/arm/arm.c (output_arm_prologue): Note nested functions.
1328 (arm_expand_prologue): For nested functions preserve the
1329 static chain register during stack frame creation.
1331 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
1332 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
1333 with a stack frame there is a 4 byte gap between the arg
1334 pointer and the hard frame pointer (used to preserve the
1335 static chain register during stack frame creation).
1337 2000-11-16 DJ Delorie <dj@redhat.com>
1339 * rtl.c (read_rtx): Provide suitable names for unnamed
1340 define_insn and define_insn_and_split patterns, based on file
1343 2000-11-15 Neil Booth <neilb@earthling.net>
1345 * cpplib.c (start_directive, end_directive): New functions.
1346 (_cpp_handle_directive, run_directive): Use them.
1347 (_cpp_handle_directive): Don't -Wtraditional on indented
1349 (_cpp_push_buffer): Don't re-clear was_skipping.
1350 * cpplib.h (struct cpp_reader): New member la_saved.
1351 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
1354 gcc.dg/cpp/_Pragma1.c: Update.
1355 gcc.dg/cpp/_Pragma2.c: New test.
1357 2000-11-15 Mark Mitchell <mark@codesourcery.com>
1359 * toplev.c (wrapup_global_declarations): Don't write out
1360 artificial static variables that aren't needed.
1362 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
1364 * ia64.c (struct group): New structure.
1365 (last_group): New static array.
1366 (group_idx): New static variable.
1367 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
1368 New static functions.
1369 (emit_insn_group_barriers): Initialize and keep track of group_idx
1371 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
1372 Replace all calls to emit_insn_after that emit a group barrier to use
1373 emit_group_barrier_after.
1374 * ia64.h (MASK_B_STEP): New.
1375 (other MASK_XXX macros): Renumbered.
1376 (TARGET_B_STEP): New.
1377 (TARGET_SWITCHES): Add -mb-step.
1379 2000-11-15 Fred Fish <fnf@be.com>
1381 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
1382 machines for which fixincludes is not needed.
1383 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
1385 2000-11-15 Jason Merrill <jason@redhat.com>
1387 * diagnostic.c (finish_abort): New fn.
1388 (fancy_abort, error_recursion): Use it.
1389 * toplev.c (crash_signal): Likewise.
1390 * diagnostic.h: Declare it.
1392 2000-11-13 Andrew Haley <aph@redhat.com>
1394 * tree.c (build_type_no_quals): New function.
1395 * tree.h (build_type_no_quals): Declare.
1396 * c-common.c (c_get_alias_set): When considering type
1397 compatibility for pointer types, ignore cv-qualifiers anywhere in
1400 2000-11-15 Graham Stott <grahams@redhat.com>
1402 * regrename.c (scan_rtx_rtx): Skip to the next chain on
1403 encountering a terminated chain.
1405 2000-11-14 Mark Mitchell <mark@codesourcery.com>
1407 * configure.in: Move check for V3 above check for C++ header-file
1409 * configure: Regenerated.
1411 2000-11-14 DJ Delorie <dj@redhat.com>
1413 * config/v850/v850.c: Remove obstacks.
1415 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
1417 * config/avr/avr.c (avr_case_values_threshold): New.
1418 (avr_override_options): Set it depending on options, make it large
1419 when not optimizing to work around "unable to generate reloads".
1421 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
1422 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
1423 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
1424 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
1425 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
1426 (avr_case_values_threshold): Declare as extern int.
1427 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
1429 * config/avr/avr.md (tablejump): Removed.
1430 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
1431 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
1432 index in the table, not multiplied by 2.
1433 (casesi): Change to match the above insns. Always enable.
1435 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
1436 Change to expect the word address of the table, multiply it by 2
1437 here and not in the caller. Change "adiw" to faster "inc".
1439 2000-11-14 Neil Booth <neilb@earthling.net>
1441 * cppexp.c (parse_defined): Call cpp_get_token not
1444 * cpplex.c (cpp_output_line): Similarly.
1445 * cpplib.c (glue_header_name, do_line, do_ident,
1446 parse_answer, parse_assertion): Similarly.
1447 (_cpp_handle_diretive): Don't save to lookaheads
1448 when processing directives.
1449 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
1451 (funlike_invocation_p): Don't save to lookaheads
1452 when pre-expanding arguments.
1453 (_cpp_get_token): Delete.
1454 (cpp_get_token): Merge contents of _cpp_get_token.
1456 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1458 * builtins.c (expand_builtin_setjmp): Set
1459 current_function_calls_setjmp.
1460 (expand_builtin_longjmp): Set current_function_calls_longjmp.
1462 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
1463 (do_builtin_setjmp_setup): New insn.
1465 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1467 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
1468 (int_fits_type_p): For variable bounds, call force_fit_type.
1470 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1472 * varasm.c (struct deferred_string): New structure.
1473 (const_str_htab): New variable.
1474 (STRHASH): New macro.
1475 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
1476 constr_str_htab_eq, const_str_htab_del): New functions.
1477 (output_constant_def): Add DEFER argument, defer string
1478 constants until mark_constant_pool time if requested.
1479 (mark_constant_pool): Walk the insn chain even if const_str_htab is
1481 (mark_constants): If a SYMBOL_REF for deferred string is found,
1482 output it and remove from hash table.
1483 (output_addressed_constants): Set DEFER to 0 in call to
1484 output_constant_def.
1485 * rtl.h (STRING_POOL_ADDRESS_P): Define.
1486 (output_constant_def): Adjust prototype.
1487 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
1489 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
1491 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
1492 signed types if flag_trapv.
1494 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
1496 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
1499 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
1501 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
1503 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1505 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
1506 to array of pool_constnat pointers.
1507 (struct pool_constant): Add next_sym and label members.
1508 (struct pool_sym): Remove.
1509 (init_varasm_status): Change pool_sym into pool_constant.
1510 (mark_pool_constant): Mark pc->label string as well.
1511 (mark_pool_sym_hash_table): Remove.
1512 (mark_varasm_status): Remove it from caller as well.
1513 (free_varasm_status): Don't free pool_sym structures.
1514 (force_const_mem): Don't allocate pool_sym structure, instead
1515 fill pool->label and chain it into rtx_sym hash table.
1516 (find_pool_constant, mark_constant_pool): Use pool_constant instead
1519 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1521 * reload1.c (emit_input_reload_insns): Honour forcing of constants
1522 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
1524 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
1526 * dominance.c: New file.
1527 * Makefile.in (OBJS): Add dominance.o.
1529 * flow.c (compute_flow_dominators): Remove.
1530 (compute_immediate_dominators): Remove.
1531 (compute_immediate_postdominators): Remove.
1532 * basic-block.h: Remove their prototypes.
1533 (calculate_dominance_info): Add prototype.
1535 * dce.c (eliminate_dead_code): Change calls to above functions.
1536 Don't compute dominators but only immediate dominators.
1537 * flow.c (flow_loops_find): Change callers.
1538 * gcse.c (compute_code_hoist_data): Likewise.
1539 * haifa-sched.c (schedule_insns): Likewise.
1540 * ifcvt.c (if_convert): Likewise.
1541 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
1544 2000-11-14 Richard Henderson <rth@redhat.com>
1546 * stmt.c (warn_if_unused_value): Don't warn if the expression
1549 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
1550 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
1552 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1554 * loop.c (basic_induction_var): Revert accidental checkin.
1556 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
1558 * c-lex.c (cb_leave_file): Harmonize conditions and order of
1559 statements to those of process_directive for (action == act_pop).
1561 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
1563 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
1566 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1568 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
1571 2000-11-13 Neil Booth <neilb@earthling.net>
1573 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
1574 cases return without MI check.
1575 * cpplib.c (do_diagnostic): Take boolean of whether to
1576 print the directive name.
1577 (do_error, do_warning): Update.
1578 (do_pragma_dependency): Use it.
1579 * cpplib.h (VARARGS_FIRST): Delete.
1580 (struct cpp_token): Delete integer.
1581 * cppmacro.c (enter_macro_context): Move disabled check
1583 (_cpp_get_token): Simplify into a single loop.
1585 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1587 * configure.in: Use 'test -f' not '[ -e'.
1588 * configure: Regenerated.
1590 2000-11-13 DJ Delorie <dj@redhat.com>
1592 * config/mn10300/mn10300.md (store_movm): Note which registers are
1593 really used or clobbered.
1595 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1597 * c-parse.in (ends_in_label): Remove from %union and %type.
1598 (decls, stmts, lineno_stmt_or_labels, xstmts,
1599 lineno_stmt_or_label, stmt_or_label): Remove.
1600 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
1601 lineno_stmt_decl_or_labels_ending_decl,
1602 lineno_stmt_decl_or_labels_ending_label,
1603 lineno_stmt_decl_or_labels_ending_error,
1604 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
1605 lineno_stmt, lineno_label): New.
1606 (compstmt_nostart): Use compstmt_contents_nonempty.
1608 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1610 * c-common.c (boolean_increment): New function.
1611 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
1612 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
1613 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
1614 (boolean_increment): Declare.
1615 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
1616 * c-decl.c (init_decl_processing): Create boolean nodes.
1617 (finish_struct): Allow for _Bool bitfields.
1618 * c-parse.in (reswords): Add _Bool.
1619 (rid_to_yy): Allow for RID_BOOL.
1620 * c-typeck.c (default_conversion): Make booleans promote to int.
1621 (convert_arguments, build_unary_op, build_modify_expr,
1622 convert_for_assignment): Allow for booleans.
1623 * ginclude/stdbool.h: Make conforming to C99.
1625 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1627 * c-parse.in (c99_block_start, c99_block_end,
1628 c99_block_lineno_labeled_stmt): New.
1629 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
1630 (stmt): Split off selection and iteration statements into...
1631 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
1633 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1635 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
1638 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1640 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
1641 Rewrite to avoid use of match_dup. Don't try to tie registers that
1642 are not in the same mode.
1644 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1646 * invoke.texi: Update lists of languages and suffixes supported.
1648 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1650 * configure.in: Take toplevel configure arguments from the
1651 environment to create configargs.h and substitute
1652 gcc_config_arguments, taking account of any existing configargs.h
1654 * configure: Regenerate.
1655 * gccbug.in: Include toplevel configure arguments in gccbug.
1657 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1659 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
1660 union to make it well-aligned. Update all uses.
1662 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1664 * c-parse.in (initelt): Give appropriate pedantic warnings,
1665 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
1667 (designator): If pedantic, pedwarn for a designator specifying a
1669 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
1671 * extend.texi: Document the C99 syntax as the preferred syntax,
1672 and the pre-2.5 syntax as obsolete. Mention use of designator
1673 lists for nested subobjects.
1675 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1677 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
1678 Add ATTRIBUTE_PRINTF.
1679 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
1680 Add ATTRIBUTE_PRINTF*.
1682 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1684 * function.c (assign_parms): When calling put_var_into_stack, make
1685 sure that there are no hidden pending sequences.
1687 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1689 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
1690 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
1693 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
1695 * c-common.c (c_common_nodes_and_builtins): Declare index and
1696 rindex when nonansi builtins are allowed.
1698 * extend.texi (index, rindex): Document new builtins.
1700 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1702 * configure.in: Turn on libstdc++ V3 by default.
1703 * configure: Regenerated.
1705 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
1707 2000-11-12 Jakub Jelinek <jakub@redhat.com>
1709 * reload1.c (set_label_offsets): Go inside of PARALLELs.
1711 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
1713 * invoke.texi: Clean up option summary.
1715 2000-11-12 Nick Clifton <nickc@redhat.com>
1717 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
1718 of #include headers.
1720 2000-11-12 Marc Espie <espie@openbsd.org>
1722 * configure.in: Fix filds test.
1725 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1727 * jump.c (delete_computation): Don't assume that just becuase an
1728 instruction sets a register, that register is dead.
1730 2000-11-12 Neil Booth <neilb@earthling.net>
1732 * cppexp.c: Don't worry about pfile->skipping.
1733 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
1734 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
1735 for handled directives.
1736 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
1737 and releasing lookaheads.
1738 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
1739 (do_else, do_elif, push_conditional): Update logic.
1740 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
1741 (unwind_if_stack): Inline into cpp_pop_buffer.
1742 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
1743 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
1744 multiple-include optimisation.
1745 * cpplib.h (struct cpp_buffer): New member was_skipping.
1746 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
1747 works because skipping == 0 in directives.
1748 (_cpp_release_lookahead): Renamed from release_lookahead.
1749 (cpp_get_token): No need to check skipping as _cpp_get_token does
1750 this for us. No need to handle MI optimisation.
1752 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
1754 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
1755 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
1756 * fixinc/fixincl.x: Regenerated.
1758 2000-11-11 Bruce Korb <bkorb@gnu.org>
1760 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
1761 (avoid_wchar_t_type): ditto
1762 * fixinc/fixinc.irix: obsoleted
1764 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
1766 * configure.in: Don't add $outputs to all_lang_makefiles. Add
1767 $srcdir/$s/Makefile.in if it exists.
1768 * configure: Regenerate.
1770 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
1772 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
1774 2000-11-11 Jason Merrill <jason@redhat.com>
1776 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
1777 give the parm a register and then call put_var_into_stack.
1778 * stmt.c (expand_decl): Likewise.
1780 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1782 * gcc.texi: Adjust wording.
1784 2000-11-11 Mark Mitchell <mark@codesourcery.com>
1786 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
1787 * fininc/fixincl.x: Regenerated.
1789 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1791 * invoke.texi: Correct spelling of -foptimize-register-move.
1793 2000-11-11 Neil Booth <neilb@earthling.net>
1795 Remove CPP_PLACEMARKERs.
1797 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
1798 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
1799 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
1801 * cpplib.h: Remove CPP_PLACEMARKER.
1802 (struct lexer_state): Rename skip_newlines to next_bol.
1803 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
1804 Simplify prev_white handling as a result.
1805 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
1806 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
1807 (parse_args): Similarly. Update argument count tests.
1808 (enter_macro_context): Return 2 to indicate an empty macro.
1809 (replace_args): Don't bother pre-expanding an empty argument.
1810 Handle placemarkers and ## extension during pre-expansion.
1811 (cpp_get_token): Handle empty macro expansions. Don't worry
1812 about CPP_PLACEMARKERs.
1813 (_cpp_create_definition): Empty macros are now empty.
1814 (cpp_macro_defintion): Don't special case empty macros.
1815 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
1816 * c-lex.c: Similarly.
1818 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1820 * gcc.texi, invoke.texi: Add new section discussing language
1821 standards; link to it where appropriate; refer to ISO C instead of
1824 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
1826 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
1829 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
1832 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1834 * gcc.texi, gcov.texi: Update dates and version numbers.
1836 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
1838 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
1839 flex and bison, specifically, first in a unified build and
1840 then installed on the system.
1841 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
1842 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
1845 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
1846 cppdefault.o): Remove pointless sed munging of source file
1849 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
1851 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
1852 for address reloads. Push replacements for REG_INC notes.
1853 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
1855 * reload1.c (choose_reload_regs): Registers set in the insn can't be
1856 used for RELOAD_OTHER reloads.
1858 2000-11-10 Mark Mitchell <mark@codesourcery.com>
1860 * c-dump.h: New file.
1862 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1864 * alpha.c (check_float_value): Use memcpy, not bcopy.
1865 * arm.c (output_move_double): Likewise.
1867 * m88k.c (legitimize_operand): Likewise.
1868 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1869 * m88k.md: Likewise.
1870 * mips.c (override_options): Likewise.
1871 * mips.md: Likewise.
1872 * romp.c (output_fpops): Likewise.
1873 * rs6000.c (rs6000_override_options): Likewise.
1875 * vax.c (check_float_value): Likewise.
1877 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
1878 * expmed.c (synth_mult): Likewise.
1879 * final.c (add_bb_string): Likewise.
1880 * genattr.c (main): Likewise.
1881 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
1883 * jump.c (thread_jumps): Likewise.
1884 * prefix.c (save_string): Likewise.
1885 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
1886 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
1887 * reload1.c (reload, eliminate_regs): Likewise.
1889 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1891 * gcc.texi (Service): Update to reflect current practice and
1892 location of the GNU service directory.
1894 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
1896 * regrename.c (build_def_use): Mark contents of REG_INC notes as
1897 needing replacement.
1899 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
1900 a no-op move if regs are equal.
1901 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
1902 when calling jump after post-reload splitting.
1904 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
1906 * c-tree.texi: Fix typos.
1907 * extend.texi: Likewise
1908 * gcov.texi: Likewise
1909 * rtl.texi: Likewise
1912 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
1914 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1915 in_system_header and flags[1] before dereferencing flags[2].
1917 2000-11-09 Matthew Hiller <hiller@redhat.com>
1919 * reload1.c (reload_combine): Fixed calculation of
1920 first_index_reg, last_index_reg.
1922 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1924 * c-dump.c (dequeue_and_dump): Dump function bodies.
1926 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1927 (c-dump.o): New target.
1928 * c-common.h (flag_dump_translation_unit): New variable.
1929 (C_TYPE_QUALS): New macro.
1930 (strip_array_types): New function.
1931 (DECL_C_BIT_FIELD): New macro.
1932 (SET_DECL_C_BIT_FIELD): Likewise.
1933 (CLEAR_DECL_C_BIT_FIELD): Likewise.
1934 (dump_info_p): New typedef.
1935 (dump_tree_fn): Likewise.
1936 (lang_dump_tree): New variable.
1937 (dump_node_to_file): New function.
1938 * c-common.c (flag_dump_translation_unit): Define it.
1939 (strip_array_types): New function.
1940 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
1941 * c-lang.c (finish_file): Call dump_node_to_file if
1942 flag_dump_translation_unit.
1943 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
1944 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
1945 * c-dump.c: New file.
1947 2000-11-09 Christopher Faylor <cgf@cygnus.com>
1949 * config/i386/cygwin.h: Add mingw startfile prefix.
1951 2000-11-09 Richard Henderson <rth@redhat.com>
1953 * flow.c (invalidate_mems_from_set): Split out from ...
1954 (mark_set_1): ... here.
1955 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
1956 instead of turning insn into a NOTE_INSN_DELETED.
1958 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1960 * extend.texi, invoke.texi: Move documentation of builtin versions
1961 of C library functions to one place and update.
1963 2000-11-09 Richard Henderson <rth@redhat.com>
1965 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
1966 the types themselves to discover type equivalence.
1968 2000-11-09 Mike Stump <mrs@wrs.com>
1970 * Makefile.in (distclean): Remove a few extra leftovers.
1972 2000-11-09 Richard Henderson <rth@redhat.com>
1974 * recog.c (validate_replace_rtx_1): Consider subregs when
1975 replacing a register with a constant inside a sign/zero_extend.
1977 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1979 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
1981 * c-decl.c (finish_struct): When a structure is completed,
1982 check all its variant types for completeness.
1984 2000-11-09 Neil Booth <neilb@earthling.net>
1986 * cpphash.c: Move cpp_defined here from cpplib.c.
1987 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
1988 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
1989 * cppmacro.c (cpp_get_token): Update comments, no need now
1990 to catch the CPP_EOF meaning EOL case.
1992 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
1994 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
1995 is more than that provided, copy to a temporary.
1997 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
1999 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
2000 interpreting $out as a macro assignment.
2001 * Makefile.in (T_TARGET): New auxiliary macro and target.
2002 (all): Add a target right in the beginning, so that we don't build
2003 T_TARGET by default.
2005 2000-11-09 Graham Stott <grahams@redhat.com>
2007 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
2008 order for -mintel-syntax. Remove comment now that the operand
2009 order has been checked.
2010 (mmx_pextrw): Likewise.
2011 (mmx_pshufw): Likewise.
2013 2000-11-09 Jakub Jelinek <jakub@redhat.com>
2015 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
2016 (c_getstr): New function.
2017 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
2018 If both arguments are constant string, optimize out.
2019 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
2020 (expand_builtin_strpbrk): Use c_getstr, do nothing if
2021 -fcheck-memory-usage.
2022 (expand_builtin_fputs): Likewise.
2023 (expand_builtin_strcmp): Add MODE argument.
2024 Use even if !HAVE_cmpstrsi.
2025 Optimize the case when both arguments are constant strings.
2026 (expand_builtin): Adjust expand_builtin_strcmp caller.
2027 Call expand_builtin_strchr and expand_builtin_strrchr.
2028 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
2030 * builtins.def (BUILT_IN_STRRCHR): Add.
2032 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2034 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
2036 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
2038 * calls.c (expand_call, emit_library_call_value_1), collect2.c
2039 (scan_prog_file), config/a29k/a29k.c (print_operand),
2040 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
2041 instead of bcopy ().
2042 * real.h: Use memcmp () instead of bcmp ().
2043 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
2044 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
2045 ultrasparc_sched_init, ultrasparc_sched_reorder),
2046 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
2047 instead of bzero ().
2048 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
2049 instead of rindex ().
2050 * configure.in: Don't check for bzero, bcmp, index or rindex.
2051 * configure, config.in: Regenerate.
2052 * system.h: Don't include declarations for bzero, bcmp, index or
2054 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
2055 bzero, bcmp, index or rindex.
2057 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
2059 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
2060 include and library paths from -mcygwin case. Parameterize some
2061 declarations to avoid warnings. Use standard locations for include and
2064 2000-11-08 Nick Clifton <nickc@redhat.com>
2066 * config/arm/arm.md (mulsidi3adddi): Change output operand
2067 constraint from "=&" to "+&".
2068 (umulsidi3adddi): Change output operand constraint from "=&" to
2071 2000-11-08 Richard Henderson <rth@redhat.com>
2073 * flow.c (init_propagate_block_info): Protect the rtx stored in
2074 mem_set_list from modification by find_auto_inc.
2075 (mark_set_1): Likewise.
2077 2000-11-08 Neil Booth <neilb@earthling.net>
2079 Move directive handling into the lexer itself.
2081 * cpplex.c (_cpp_lex_token): Handle directives directly.
2082 In the case of a directive interrupting a function-like
2083 macro invocation, use extra_char since read_ahead is
2084 used to store the '#'. Return a CPP_EOF in this case.
2085 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
2086 (cpp_get_token): Don't handle directives here.
2087 * cpplib.h: Remove CPP_DHASH token type.
2089 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
2091 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
2092 formed using PRE_MODIFY too.
2094 2000-11-08 Mark Mitchell <mark@codesourcery.com>
2096 * c-tree.texi (VAR_DECL): Describe representation of GCC's
2097 extension for placing variables in particular registers.
2099 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
2100 unprototyped C functions with no parameters.
2102 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2104 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
2105 before passing to fprintf.
2107 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2109 * function.c (expand_function_start): Cast GET_MODE_SIZE to
2110 HOST_WIDE_INT before negating it.
2112 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2114 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
2115 passed in multiple non-contiguous locations.
2117 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2119 * README.gnat: Remove file.
2121 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
2123 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
2126 2000-11-07 Richard Henderson <rth@redhat.com>
2128 * dwarfout.c (INSN_LABEL_FMT): Remove.
2129 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2130 (dwarfout_label): Remove.
2131 * dwarfout.h: Remove it's prototype.
2132 * dwarf2out.c (INSN_LABEL_FMT): Remove.
2133 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2134 (dwarf2out_label): Remove.
2135 * dwarf2out.h: Remove it's prototype.
2136 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
2138 2000-11-07 Richard Henderson <rth@redhat.com>
2140 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
2141 search on the unwind region section.
2143 * config/ia64/ia64.md (movbi): Add r/r alternative.
2144 (cmovdi_internal_astep): Describe all combinations of register
2145 classes for sources & destinations; remove matching constraints.
2146 (cmovdi_internal): Likewise.
2148 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
2150 2000-11-07 Richard Henderson <rth@redhat.com>
2152 * c-lang.c (start_cdtor, finish_cdtor): New functions.
2153 (finish_file): Use them in building constructor/destructor functions.
2155 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
2156 LD_FINI_SWITCH): Move ...
2157 * config/alpha/osf.h: ... here.
2158 * config/alpha/alpha-interix.h: Don't undef them.
2160 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
2162 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
2163 included in libgcc.a.
2165 (dp-bit.c): Likewise.
2166 (fp-bit.c): Likewise.
2168 2000-11-07 Nick Clifton <nickc@redhat.com>
2170 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
2171 (INTERNAL_ASM_OP): Add missing tab.
2173 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2175 * alias.c (init_alias_analysis), calls.c (expand_call,
2176 emit_library_call_value_1), combine.c (init_reg_last_arrays),
2177 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
2178 (init_output_buffer, set_diagnostic_context), dwarf2out.c
2179 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
2180 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
2181 function.c (assign_parms), gcse.c (compute_can_copy,
2182 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
2183 compute_hash_table, compute_set_hash_table,
2184 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
2185 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
2186 clear_units, schedule_block), integrate.c (initialize_for_inline,
2187 expand_inline_function), jump.c (thread_jumps), local-alloc.c
2188 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
2189 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
2190 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
2191 record_reg_classes, allocate_reg_info), reload.c
2192 (get_secondary_mem, remove_address_replacements, find_reloads),
2193 reload1.c (reload, set_initial_label_offsets, finish_spills,
2194 reload_as_needed, choose_reload_regs_init,
2195 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
2196 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
2197 (rename_registers), stmt.c (expand_end_case), unroll.c
2198 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
2199 () instead of bzero ().
2201 2000-11-07 Neil Booth <neilb@earthling.net>
2203 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
2205 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2207 * c-common.c (combine_strings): Only warn about long strings for C.
2209 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
2211 * combine.c (distribute_notes): Fix typo in last change.
2213 2000-11-07 Geoff Keating <geoffk@redhat.com>
2215 * config/rs6000/rs6000.md (movdi_internal32+1): Use
2216 operand_subreg_force rather than gen_rtx_SUBREG.
2217 (movdi_internal32+2): Likewise.
2219 2000-11-07 Philip Blundell <philb@gnu.org>
2221 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
2222 * config/arm/linux-aout.h: Likewise.
2223 * configure: Regenerate.
2225 2000-11-07 Philipp Thomas <pthomas@suse.de>
2227 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
2228 accepted my the gettext maintainer.
2230 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2232 * builtins.c (expand_builtin_strpbrk): New function.
2233 (expand_builtin): Handle BUILT_IN_STRPBRK.
2235 * builtins.def (BUILT_IN_STRPBRK): New entry.
2237 * c-common.c (c_common_nodes_and_builtins): Declare builtin
2240 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
2242 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
2243 * POTFILES.in: Add config/alpha/freebsd.h
2244 * configure.in: Add alpha*-freebsd support.
2245 * configure: Regenerate.
2247 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2249 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
2250 copy of ptr_type_node rather than ptr_type_node itself.
2252 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
2254 * combine.c (recog_for_combine): Allocate uninitialized vector with
2256 * recog.c (apply_change_group): Likewise.
2258 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
2260 * flow.c (verify_local_live_at_start): Back out last change.
2261 * combine.c (distribute_notes): When parts of a hard reg are
2262 neither set nor referenced in PLACE, search backwards for a
2263 place to put a REG_UNUSED note; if none found, ask for flow
2266 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
2268 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
2269 with (clobber (match_scratch...)).
2271 2000-11-06 Neil Booth <neilb@earthling.net>
2273 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
2276 2000-11-06 Neil Booth <neilb@earthling.net>
2278 * tradcpp.c (special_symbol): Assign an null string rather
2279 than writing to an unallocated buffer.
2281 2000-11-06 Neil Booth <neilb@earthling.net>
2283 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
2286 2000-11-06 Neil Booth <neilb@earthling.net>
2288 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
2289 tok.val.arg_no as appropriate.
2290 * cppexp.c (lex): Similarly.
2291 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
2292 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
2293 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
2294 cpp_macro_definition): Similarly.
2295 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
2297 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2299 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
2300 operands[1] is constant, calculate the sum and generate movdi.
2301 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
2302 (subsi3): Use SImode in call to arith_4096_operand.
2304 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2306 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
2307 adjust %o1, not %o0 if the return type is large structure.
2309 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2311 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
2312 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
2314 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2316 * expmed.c (expand_divmod): For signed divide by 2, prefer
2317 a branch and fewer shifts if branches are very cheap.
2319 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
2321 * Makefile.in: Remove all targets related to building
2322 distributions and diffs, or INSTALL.
2323 * INSTALL, install1.texi: Remove.
2324 * configure.in: Remove mention of distdir.
2325 * configure: Regenerate.
2326 * objc/Make-lang.in: Remove mention of distdir.
2328 2000-11-04 Neil Booth <neilb@earthling.net>
2330 * cpp.texi: Update for _Pragma.
2332 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
2334 * gcc.texi (Contributing): Update URL for projects web page.
2336 2000-11-04 Neil Booth <neilb@earthling.net>
2338 * cpplex.c (parse_string): Don't allow multiline strings in
2339 #include family directives.
2341 2000-11-04 Neil Booth <neilb@earthling.net>
2343 * cpplib.c (do_line): Only warn pedantically if not reading
2346 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
2348 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
2351 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
2353 * builtins.c (expand_builtin_strlen): Remove unused mode
2355 * gcc.c (process_command): Remove unused variable.
2356 * fold-const.c: Include expr.h.
2357 * recog.c: Include reload.h.
2358 * Makefile.in (recog.o, fold-const.o): Update deps.
2360 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
2362 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
2364 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
2366 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
2368 (STARTFILE_SPEC): Likewise.
2369 (LINK_SPEC): Likewise.
2371 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2373 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
2374 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
2375 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
2377 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
2379 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
2380 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
2381 perm_calloc, get_identifier, maybe_get_identifier,
2382 real_value_from_int_cst, simple_cst_equal), varasm.c
2383 (assemble_name, assemble_real, immed_real_const_1,
2384 compare_constant_1, decode_rtx_const, output_constant_pool): Use
2385 strrchr () instead of rindex (). Use memcmp () instead of bcmp
2386 (). Use memcpy () instead of bcopy (). Use memset () instead of
2389 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
2391 * cppfiles.c (open_file): If already read, then don't reopen.
2392 Immediately close an empty file.
2394 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2396 * expr.h (fold_builtin): Move declaration...
2397 * tree.h (fold_builtin): ... here.
2399 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
2401 * flow.c (verify_local_live_at_start): Allow hard regs to die.
2403 2000-11-02 Neil Booth <neilb@earthling.net>
2406 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
2407 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
2408 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
2409 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
2410 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
2411 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
2412 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
2413 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
2414 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
2415 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
2416 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
2417 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
2418 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
2419 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
2420 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
2421 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
2422 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
2423 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
2424 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
2425 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
2426 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
2427 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
2428 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
2429 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
2430 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
2431 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
2432 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
2433 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
2434 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
2435 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
2436 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
2437 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
2438 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
2439 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
2440 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
2441 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
2442 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
2443 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
2444 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
2445 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
2446 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
2447 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
2448 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
2449 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
2450 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
2451 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
2452 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
2453 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
2454 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
2455 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
2456 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
2457 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
2458 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
2459 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
2460 vax/vaxv.h, vax/vms.h, we32k/we32k.h
2462 Replace -A() with -A=, the new assertion syntax.
2464 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
2466 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
2468 In REG_DEAD handling: When handling parts of multi-hard-reg hard
2469 registers, increment the loop counter by the size of the parts;
2470 use recursion to handle individual parts.
2472 2000-11-02 Neil Booth <neilb@earthling.net>
2474 * configure.in: Make integrated CPP the default.
2475 * configure: Regenerate.
2477 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
2479 * reload.c (find_equiv_reg): Test all hard registers for membership
2480 in the requested class.
2482 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2484 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
2485 process_command, main), gcov.c (open_files, output_data), tlink.c
2486 (frob_extension, scan_linker_output), toplev.c
2487 (file_name_nondirectory): Use strchr () and strrchr () instead of
2488 index () and rindex ().
2490 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2492 * c-common.c (get_flag_spec, check_format_info_main,
2493 check_format_types): Use strchr () instead of index (). Compare
2494 against error_mark_node instead of comparing the TREE_CODE against
2497 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
2501 * c-lex.c (init_c_lex): Update cpp_start_read call.
2502 (cb_ident): Update for new callback prototype.
2503 (cb_def_pragma): Update for new cpp_get_token prototype.
2504 (c_lex): Similarly. Use cpp_get_line.
2506 * c-parse.in (finish_parse): Update for new cpp_finish
2509 * cp/lex.c (finish_parse): Similarly.
2511 2000-11-01 Geoff Keating <geoffk@cygnus.com>
2513 * machmode.def: Add V16QImode.
2515 2000-11-01 Richard Henderson <rth@redhat.com>
2517 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
2518 from rtl_for_decl_location.
2519 (add_location_or_const_value_attribute): Likewise.
2521 2000-11-01 Neil Booth <neilb@earthling.net>
2523 * cpplib.c (run_directive): Use correct line number for output
2524 of _Pragma. Remember any in-progress directive.
2526 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
2528 2000-11-01 Richard Henderson <rth@redhat.com>
2530 * stmt.c (expand_start_null_loop): Set continue_label.
2532 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2534 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
2535 (expand_builtin_constant_p): Move parts of the code into
2536 fold_builtin_constant_p.
2537 (expand_builtin_strlen): Move parts of the code into fold_builtin.
2538 * expr.h (fold_builtin): Declare.
2539 * fold-const.c (fold): Handle builtin calls.
2541 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
2543 2000-11-01 Richard Henderson <rth@redhat.com>
2545 * stmt.c (expand_start_null_loop): New.
2546 (expand_end_null_loop): New.
2547 * c-semantics.c (genrtl_do_stmt): Use them.
2548 * tree.h: Declare them.
2550 2000-11-01 Richard Henderson <rth@redhat.com>
2552 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
2554 2000-11-01 Neil Booth <neilb@earthling.net>
2556 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
2557 * cp/spew.c: Similarly.
2558 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
2559 * cppmacro.c (stringify_arg): Similarly.
2560 * cpplib.h (CPP_BACKSLASH): Delete.
2562 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2564 * builtins.c (expand_builtin_strstr): New function.
2565 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
2567 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
2569 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
2572 2000-10-31 Richard Henderson <rth@redhat.com>
2574 * config/i386/i386.c (fcmov_comparison_operator): Check for
2575 CCFPmode or CCFPUmode instead of CCmode.
2576 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
2577 unordered operations as well.
2579 2000-10-31 Richard Henderson <rth@redhat.com>
2581 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
2582 of integer_zero_node.
2584 2000-10-31 Richard Henderson <rth@redhat.com>
2586 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
2588 2000-10-31 Nick Clifton <nickc@redhat.com>
2590 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
2591 -fdata-sections to override the section attribute of a DECL.
2593 2000-10-31 Chris Demetriou <cgd@sibyte.com>
2595 * libgcc2.c (__shtab): Remove __shtab variable.
2596 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
2597 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
2600 2000-10-31 Jim Wilson <wilson@redhat.com>
2602 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
2603 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
2604 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
2605 instead of ASM_OUTPUT_INTERNAL_LABEL.
2606 (dwarf2out_end_block, dwarf2out_label): Likewise.
2607 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
2608 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
2610 2000-10-31 Richard Henderson <rth@redhat.com>
2612 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
2613 (size_of_locs): Set it.
2614 (output_loc_operands): Use it to compute branch displacement.
2615 (int_loc_descriptor): New.
2616 (mem_loc_descriptor): Dereference memory in the proper size.
2617 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
2618 (loc_descriptor_from_tree): New.
2619 (rtl_for_decl_location): Break out from ...
2620 (add_location_or_const_value_attribute): ... here.
2621 (add_bound_info): Use loc_descriptor_from_tree.
2623 2000-10-31 Neil Booth <neilb@earthling.net>
2625 * cpp.texi: Update for new command line assertion syntax.
2626 * cpplib.c (cpp_define): Simplify a bit.
2627 (cpp_assert, cpp_unassert): Use handle_assertion.
2628 (handle_assertion): New function; accept new command line
2630 * testsuite/gcc.dg/cpp/assert3.c: New tests.
2632 2000-10-31 Neil Booth <neilb@earthling.net>
2634 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
2635 undefined. Remove #ifdef check.
2636 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
2637 Define STDC_0_IN_SYSTEM_HEADERS to 1.
2639 2000-10-31 Jan Hubicka <jh@suse.cz>
2640 Jakub Jelinek <jakub@redhat.com>
2642 * config/i386/i386.h: Clarify CCNOmode description in comment.
2643 (EXTRA_CC_MODES): Remove CCRCmode.
2644 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
2645 (put_condition_code, ix86_match_ccmode): Likewise.
2646 (ix86_cc_mode): Likewise. Fix comment.
2647 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
2648 * config/i386/i386.md: Add unspec 12 description.
2649 (adddi3 split): Use unspec 12 instead of CCRCmode.
2650 (addsi3_carry_rc): Remove.
2651 (addsi3_cc, addqi3_cc): New patterns.
2652 (addsi_3): Swap operands, match CCZmode.
2653 (addsi_4): Rewritten.
2654 (addsi_5): Renamed from addsi_6.
2656 (addhi_3): Swap operands, match CCZmode.
2657 (addhi_4): Rewritten.
2658 (addhi_5): Renamed from addhi_6.
2660 (addqi_3): Swap operands, match CCZmode.
2661 (addqi_4): Rewritten.
2662 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
2663 (subsi3_carry_rc): Removed.
2664 (iorqi_3): Use =q constraint for clobber.
2665 (xorqi_cc_2): Likewise.
2666 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
2667 (x86_movsicc_0_m1_rc): Removed.
2668 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
2670 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
2672 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
2673 and decrement of complex types.
2675 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2677 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
2678 builtin fputs, ensure we still evaluate the stream in case it
2681 2000-10-31 Jakub Jelinek <jakub@redhat.com>
2683 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
2686 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
2688 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
2689 (fp_extended_operand, emit_fpscr_use): Likewise.
2690 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
2691 (fpul_operand): New function.
2692 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
2693 fp_extended_operand. Add fpul_operand.
2694 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
2695 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
2696 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
2697 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
2698 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
2699 (divdf3_i): Likewise.
2700 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
2701 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
2702 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
2703 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
2704 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
2706 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
2708 * config/i386/i386.c (ix86_init_builtins): Correct return type
2709 building v4hi_ftype_v4hi_int_int tree node.
2710 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
2711 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
2713 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
2715 (mmx__uavgv8qi3): Correct insn mnemonic.
2716 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
2717 (mmx_punpckhwd): Correct insn mnemonic.
2718 (mmx_punpckhdq): Likewise.
2719 (mmx_punpcklwd): Likewise.
2720 (mmx_punpckldq): Likewise.
2721 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
2722 Renumber case labels to match the _mm_prefetch constants defined in
2725 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
2726 if the splitter didn't emit new insns.
2727 Make sure we call cleanup_subreg_operands even when splitting the last
2728 insn in a basic block.
2730 * invoke.texi (Debugging Options): Describe -do.
2731 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
2732 (dump_file): Likewise.
2733 (rest_of_compilation): Split .greg dump into .greg and .postreload.
2735 2000-10-30 Neil Booth <neilb@earthling.net>
2737 * cppfiles.c (stack_include_file): Check for stacked contexts
2739 * cpphash.h (_cpp_do__Pragma): New prototype.
2740 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
2742 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
2743 escaped newlines if !(buffer->from_stage3).
2744 (_cpp_lex_token): Warn about missing newlines iff
2745 !buffer->from_stage3.
2747 * cpplib.c (get__Pragma_string, destringize,
2748 _cpp_do__Pragma): New functions.
2749 (run_directive): Set output_line for _Pragma to avoid line
2750 markers in output. Set from_stage3 and prevent macro expansion
2751 for _Pragma and command-line options. Check buffer exhaustion.
2752 (cpp_push_buffer): Don't check for stacked macro contexts, as
2753 this is perfectly legitimate for _Pragma. Move the check to
2754 stack_include_file instead. Set from_stage3 iff buffer is
2757 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
2758 unsigned. New boolean from_stage3.
2759 (struct spec_nodes): Add n__Pragma.
2761 * cppmacro.c (enter_macro_context): Flip sense of return value.
2762 (_cpp_get_token): Handle _Pragma operator.
2764 2000-10-30 Phil Edwards <pme@sources.redhat.com>
2766 * gcc.texi: The C++ standard isn't "draft" anymore.
2768 2000-10-30 Mark Mitchell <mark@codesourcery.com>
2770 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
2772 2000-10-29 Neil Booth <neilb@earthling.net>
2774 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
2776 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
2778 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
2779 fixinc/inclhack.def: Change comments mentioning C9X to refer to
2782 * invoke.texi: Document that -V will only work for very similar
2783 versions of driver and compiler.
2785 2000-10-29 Neil Booth <neilb@earthling.net>
2787 * cppmacro.c (_cpp_create_definition): Optimize the case of
2788 a macro defined to itself.
2790 2000-10-29 Neil Booth <neilb@earthling.net>
2792 * cpplex.c (save_comment): Don't store new lines in C++ comments.
2794 2000-10-29 Michael Hayes <mhayes@redhat.com>
2796 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
2798 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
2800 * cpphash.c (cpp_forall_identifiers): Add context variable
2801 for callback routine.
2802 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
2804 (main): Call cpp_forall_identifiers with null context.
2805 * cpplib.h (cpp_forall_identifiers): Update prototype.
2807 * cppmain.c: Make `parse_in' and `print' static.
2809 2000-10-28 Alan Modra <alan@linuxcare.com.au>
2811 * c-decl.c (finish_function): Clear c_function_name_declared_p.
2813 2000-10-28 Richard Henderson <rth@redhat.com>
2815 * regrename.c (scan_rtx_address): Frob action, not class,
2816 when trying to disable optimization.
2818 2000-10-28 Mark Mitchell <mark@codesourcery.com>
2820 * c-semantics.c (make_rtl_for_local_static): Don't clobber
2821 DECL_ASSEMBLER_NAME.
2823 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
2825 * configure.in: Determine and substitute gcc_version_full.
2826 * configure: Regenerate.
2827 * gccbug.in: Use it to give full version. Don't allow
2830 2000-10-28 Richard Henderson <rth@redhat.com>
2832 * recog.c (split_all_insns): Run cleanup_subreg_operands
2835 * regrename.c (regrename_optimize): Verify that all registers of
2836 a multiple register mode are available.
2837 (scan_rtx_address): Accept the mode of the address; all callers
2840 * cpplib.c (run_directive): Fix prototype.
2842 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
2844 * reload.c (find_reloads): Distinguish "wins" so that we know whether
2845 a given operand won because of a matching constraint or not; then use
2846 that information to compute goal_alternative_matched properly.
2847 * reload1.c (choose_reload_regs): Never set reload_override_in for an
2850 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
2851 accurate value for MULT.
2852 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
2853 2% or > 98% before using static branch prediction bits.
2855 2000-10-28 Neil Booth <neilb@earthling.net>
2859 * cpplib.c (struct answer): New.
2860 (struct if_stack): Use cpp_lexer_pos rather than line and col.
2861 Rename cmacro mi_cmacro.
2862 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
2863 IN_I): New directive and flags.
2864 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
2865 parse_answer, parse_assertion, find_answer): New functions.
2866 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
2867 (lex_macro_node): New function to replace parse_ifdef and
2870 (_cpp_handle_directive): New function, combines _cpp_check_directive
2871 and _cpp_check_linemarker.
2873 (do_define, do_undef, parse_include, do_include, do_import,
2874 do_include_next, read_line_number, do_line, do_ident, do_pragma,
2875 do_pragma_once, do_pragma_poison, do_pragma_dependency):
2876 Update for new token getting interface.
2878 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
2879 : Update for new multiple-include optimisation technique.
2880 (do_elif): Don't forget to invalidate controlling macros.
2882 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
2883 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
2884 Functions to handle assertions with the new token interface.
2885 (do_assert, do_unassert): Use them.
2887 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
2890 (_cpp_init_stacks): Register directive names. Don't register special
2893 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
2894 new position recording regime.
2895 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2896 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
2897 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
2898 (cpp_type2name): Move to cpplex.c.
2900 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
2901 (parse_defined): Update to handle new multiple include optimisation
2902 method. Remove poisoned identifier warning.
2903 (parse_assertion, TYPE_NAME): Delete.
2904 (lex): Update for multiple include optimisation, removal of
2905 CPP_DEFINED, to use _cpp_test_assertion for assertions and
2907 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
2908 (op_as_text): New function, to wrap cpp_token_as_text.
2910 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
2911 Update for MI optimisation.
2912 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
2913 segfault on diagnostic.
2914 (_cpp_compare_file_date): Take a token rather than 3 args.
2915 (cpp_read_file): Work correctly for zero-length files.
2917 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2918 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2919 (cpp_lookup): Place identifiers at front of identifier pool
2920 for _cpp_lookup_with_hash.
2921 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2922 the identifier pool. Commit the memory if not already in the
2925 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2926 Initialise various members of cpp_reader, memory pools, and the
2928 (cpp_printer_init): Delete.
2929 (cpp_cleanup): Update.
2930 (struct builtin, builtin_array, initialize_builtins): Update for new
2931 hashnode definition and builtin handling.
2932 (cpp_start_read, cpp_finish): Don't take or initialise a
2935 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
2936 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
2937 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
2938 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
2939 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
2940 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
2941 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
2942 struct toklist, struct cpp_context, struct specnodes,
2943 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
2944 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
2945 enum builtin_type, cpp_can_paste): New.
2946 (struct cpp_token): Delete line and col members.
2947 (struct cpp_buffer): New member output_lineno.
2948 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
2949 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
2950 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
2951 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
2952 base_context, context, directive, mi_state, mi_if_not_defined,
2953 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
2954 mlstring_pos, macro_buffer, macro_buffer_len.
2955 Delete members mls_line, mls_column, token_list, potential_control_macro,
2956 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
2957 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
2958 save_parameter_spellings, need_newline, .
2959 Change type of date, time and spec_nodes members.
2960 Change prototypes for include and ident callbacks.
2961 (struct cpp_hashnode): Change type of name. Remove union members
2962 expansion and code. Add members macro, operator and builtin.
2964 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
2965 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
2966 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
2967 cpp_stop_lookahead): New prototypes.
2968 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
2970 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
2971 Move from cpphash.h.
2973 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
2974 ufputs): Move to cpplib.h.
2975 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
2976 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
2977 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
2978 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
2979 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
2980 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
2981 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
2982 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
2983 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
2984 _cpp_parse_assertion, _cpp_find_answer): Delete.
2985 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
2986 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
2987 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
2988 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
2989 _cpp_handle_directive, DSC): New.
2990 (struct include_file): New member defined.
2992 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
2993 _cpp_compare_file_date): Update.
2994 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
2995 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
2996 _cpp_cleanup_hashtable.
2998 * Makefile.in: Remove cppoutput.c.
3000 * cppoutput.c: Delete
3002 * fixheader.c (read_scan_file): Update for new cpp_get_token
3004 (recognized_function): New argument LINE.
3006 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3007 new cpp_get_token prototype.
3009 * scan.h (recognized_function): Update prototype.
3011 * po/POTFILES.in: Remove cppoutput.c.
3013 2000-10-27 Mark Mitchell <mark@codesourcery.com>
3015 * c-typeck.c (check_init_type_bitfields): Remove.
3016 (constructor_incremental): Likewise.
3017 (struct constructor_stack): Remove incremental bit.
3018 (struct initializer_stack): Likewise.
3019 (start_init): Don't play with constructor_incremental.
3020 (finish_init): Likewise.
3021 (really_start_incremental_init): Likewise.
3022 (push_init_level): Likewise.
3023 (pop_init_level): Likewise.
3024 (output_init_level): Likewise.
3025 (output_pending_init_elements): Likewise.
3027 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
3029 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
3030 Improve error messages. Correct parsing of
3031 #pragma pack(pop [,id]). Do not check the user-supplied
3032 alignment if we're popping.
3034 * gcc.dg/pack-test-1.c: New test case.
3035 * gcc.dg/pack-test-2.c: New test case.
3036 * gcc.dg/pack-test-1.h: New file.
3038 2000-10-27 Neil Booth <neilb@earthling.net>
3042 2000-10-27 Kelley Cook <kelley.cook@home.com>
3044 * invoke.texi: Document -mintel-syntax
3046 2000-10-27 Richard Henderson <rth@redhat.com>
3048 * invoke.texi: Document -frename-registers. Add it to -O3.
3049 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
3050 (enum dump_file_index, dump_file): Update order.
3051 (main): Set flag_rename_registers at -O3.
3053 2000-10-27 Richard Henderson <rth@redhat.com>
3055 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
3056 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
3057 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
3058 * config/alpha/alpha.md (call_osf_1): Use it.
3059 (call_value_osf_1): Likewise.
3061 * config/ia64/ia64.c: Revert 10-23 patch.
3062 (ia64_hard_regno_rename_ok): New.
3063 * config/ia64/ia64-protos.h: Declare it.
3064 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
3066 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
3067 Richard Henderson <rth@redhat.com>
3069 * regrename.c: Rewrite to handle multi-register modes and
3070 cond_exec instructions.
3071 * Makefile.in (regrename.o): Update dependancies.
3072 * recog.h (struct operand_alternative): Add is_address.
3073 * recog.c (preprocess_constraints) [case 'p']: Set it.
3075 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
3077 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
3078 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
3079 top level. Kill oldstyle_subdirs. Do not include
3080 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
3081 $outputs. Do not run configure.lang from config.status.
3082 Rearrange warning-flag logic to correspond to what the
3083 makefile wants. Put special vax stage1 options in
3084 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
3085 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
3086 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
3087 switch is given, nothing otherwise.
3088 * configure.lang: Delete.
3090 * Makefile.in: Expunge all traces of extra_c_objs,
3091 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
3092 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
3093 warning options via a three level scheme so that -pedantic and
3094 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
3095 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
3096 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
3097 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
3098 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
3099 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
3100 generation rules. Wrap all rules that change the current
3101 directory in parentheses; pmake doesn't spawn a new shell for
3102 each command. Expunge all references to $(P). When one
3103 command depends on another and they're run all at once, use &&
3104 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
3105 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
3108 * objc/Make-lang.in: Wrap all rules that change the current
3109 directory in parentheses. Expunge all references to $(P).
3110 When one command depends on another and they're run all at
3111 once, use && to separate them, not ;. Add OUTPUT_OPTION to
3112 all object-file generation rules. Delete obsolete variables.
3113 * objc/Makefile.in: Delete.
3115 2000-10-27 Jakub Jelinek <jakub@redhat.com>
3117 * calls.c (expand_call): If sibcall_failure is set during pass 1,
3118 clear tail_call_insns as well.
3120 2000-10-27 Nick Clifton <nickc@redhat.com>
3122 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
3125 2000-10-26 Richard Henderson <rth@redhat.com>
3127 * calls.c (expand_call): Supress sibcall if we have a
3128 BLKmode return in registers.
3130 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
3132 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
3135 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
3137 * tree.c (make_node, case 't'): Set alignment to that of
3139 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
3141 2000-10-25 Mark Mitchell <mark@codesourcery.com>
3143 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
3144 * configure.in (enable-libstdcxx-v3): Arrange to have
3145 HAVE_LIBSTDCXX_V3 substituted into the output files.
3147 2000-10-25 Richard Henderson <rth@redhat.com>
3149 * recog.c (constrain_operands): Initialize which_alternative
3150 before no alternatives early exit.
3152 * cse.c (find_comparison_args): Check that we can reverse a
3153 comparison if needed before accepting the substitution.
3155 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
3157 * simplify-rtx.c (simplify_relational_operation): Sign extend
3158 low words before sign extending to high words.
3160 2000-10-25 Nick Clifton <nickc@redhat.com>
3162 * config/mcore/mcore.c: Include config.h before system.h.
3164 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
3166 * config/mcore/mcore.md (return): Force function epilogue to
3167 always be generated to work around epilogue suppression bug in
3170 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
3172 * c-decl.c (grokdeclarator): Move warning for qualified void
3173 return types with -pedantic to when the function type is
3174 constructed. At -W, warn in general for qualified function return
3175 types, except for volatile void.
3176 * invoke.texi: Document this new warning at -W.
3178 2000-10-25 Neil Booth <neilb@earthling.net>
3180 * cpp.texi: Update with implementation-defined behavior and
3183 2000-10-25 Jakub Jelinek <jakub@redhat.com>
3185 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
3186 incomplete type force it into alias set 0.
3188 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
3190 * alias.c: Include basic-block.h.
3191 (loop_p): New function.
3192 (mark_constant_function): Use it.
3193 * Makefile.in (alias.o): Update dependencies.
3195 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3197 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
3200 2000-10-24 Jim Wilson <wilson@cygnus.com>
3202 * expmed.c (store_bit_field): Move integer pun code down after
3203 code that calls emit_move_insn for entire register move.
3204 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
3205 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
3207 2000-10-24 Richard Henderson <rth@cygnus.com>
3209 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
3210 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
3212 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3214 * gcse.c (cprop_insn): do not propagate constants into jump_insn
3215 for machines with CC0 more than once.
3217 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
3219 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
3220 pseudos just like memory.
3222 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
3224 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
3225 when deleting libcall sequence collapsed to a single instruction.
3227 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
3229 * expr.c (do_store_flag): Don't crash if either side of a
3230 comparison is error_mark_node.
3232 2000-10-24 Jakub Jelinek <jakub@redhat.com>
3234 * sibcall.c (purge_mem_unchanging_flag): New function.
3235 (optimize_sibling_and_tail_recursive_calls): Call it.
3237 2000-10-24 Philipp Thomas <pthomas@suse.de>
3239 * Makefile.in (check-po): New target for doing checks in the po
3240 subdir if all languages configured.
3241 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
3242 configure if NLS is enabled.
3243 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
3244 otherwise leave empty.
3245 * configure: Regenerate.
3247 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3249 * i386.c (print_operand): Handle new 'A' formatting code.
3250 387 opcodes need suffixes even with -mintel-syntax.
3251 Check for explicit size override (codes 'b', 'w' and 'k').
3252 (print_operand_address): Check if register prefix is needed when
3253 emitting `ds' segment override.
3254 * i386.h: Add comment about new 'A' formatting code.
3255 * i386.md (jump and call patterns): Emit absolute references using %A.
3257 2000-10-23 Richard Henderson <rth@cygnus.com>
3259 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
3260 output registers as fixed.
3261 (ia64_function_epilogue): Undo output fixation.
3263 2000-10-23 Richard Henderson <rth@cygnus.com>
3265 * config/alpha/alpha.md: Add names for all unnamed insns; use
3266 define_insn_and_split in some obvious places.
3268 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
3269 (zero_extendqisi2, zero_extendqidi2): Likewise.
3270 (zero_extendhisi2, zero_extendhidi2): Likewise.
3271 (abs splitters): Fix match_scratch operand number.
3272 (bcc_reverse): Swap pc & label instead of non-canonical compare.
3274 2000-10-23 Jim Wilson <wilson@cygnus.com>
3276 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
3278 * ia64.md (cmpsi_adjusted): Use %r3.
3279 (cmpdi_adjusted): Likewise.
3281 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3283 * config/i386/att.h (ASM_FILE_START): Define.
3285 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3287 * config/i386/linux.h (ASM_FILE_START): Define.
3289 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
3291 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
3292 since this (only) drags in a crt0.o reference that the .ld files
3295 2000-10-23 Geoff Keating <geoffk@cygnus.com>
3297 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
3298 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
3299 reloads just like an RELOAD_FOR_OUTPUT would.
3301 * local-alloc.c (update_equiv_regs): Add an abort(). When
3302 deleting or moving insns, update reg_equiv[regno].init_insns.
3304 2000-10-23 Mark Mitchell <mark@codesourcery.com>
3306 * c-tree.texi: Improve documentation for IF_STMTs and related
3307 conditional statements.
3309 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3311 * expr.c (do_preexpand_calls): Remove.
3312 (same_from_p): Don't use CALL_EXPR_RTL.
3313 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
3314 (preexpand_calls): Remove.
3315 * tree.c (first_rtl_op): Remove CALL_EXPR case.
3316 (unsave_expr_1): Likewise.
3317 * tree.def (CALL_EXPR): Give it only two slots.
3318 * tree.h (CALL_EXPR_RTL): Remove.
3320 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
3322 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
3323 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3326 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
3328 * calls.c (combine_pending_stack_adjustment_and_call): Don't
3329 adjust stack when unadjusted_alignment ends up as zero.
3331 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
3333 * fixinc/genfixes: Remove EGCS reference.
3334 * install.texi: Remove EGCS reference.
3335 * INSTALL: Regenerate.
3337 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3339 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
3341 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
3343 * diagnostic.c: Remove EGCS reference in comment.
3345 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3347 * loop.c (strength_reduce): Fix error in last change.
3349 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3351 * Makefile.in (SHLIB_NM_FLAGS): New.
3352 (libgcc.mk): Pass it.
3353 * mklibgcc.in (libgcc.map): Use it.
3355 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
3356 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
3358 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3360 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
3362 * sparc.c (load_pic_register): Delete unused varaible.
3364 * libgcc2.c (__addvsi3): Delete unused variable.
3366 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
3367 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
3368 __negvdi2): Prototype.
3370 * ssa.c (apply_delayed_renames): Avoid undefined operation.
3372 * toplev.c (display_target_options): Make static to match
3373 prototype. Delete empty declaration.
3375 2000-10-20 Tom Tromey <tromey@cygnus.com>
3377 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3378 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3380 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3382 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
3384 (expand_expr_unaligned, case ARRAY_REF): Check that index is
3385 a constant before comparing it; use tree_low_cst.
3386 * tree.c (save_expr): Set TREE_READONLY.
3387 (substitute_expr): Return inside of NON_LVALUE_EXPR.
3388 (build, build1): Set TREE_READONLY if all operands are.
3389 (build_index_type): If upper bound is a negative number, lower
3390 bound is zero and sizetype is unsigned, use upper bound of one and
3393 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3395 * gcc.c (process_command, main): Use "because" instead of
3396 "since" in error messages.
3398 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3400 * stor-layout.c (compute_record_mode): Use tree_low_cst.
3401 Don't use mode of field for record unless sizes are the same.
3402 (layout_type, case ARRAY_TYPE): Remove special bounds handling
3403 previously added for Ada; also change to using host_integerp
3406 * loop.c (strength_reduce): Show when new register made for
3407 giv is known to be a pointer and its aligment if so and known.
3408 (loop_dump_aux): Show VERBOSE parameter unused.
3410 * gcse.c (set_hash_table_size): Now unsigned.
3411 * sdbout.c (template_name_p): Add "const" to avoid warnings.
3412 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
3413 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
3414 (sdbout_end_epilogue): Remove variable NAME.
3415 * system.h (getopt): Add default definition.
3416 * config/alpha/alpha.c (print_operand): Don't continue processing
3417 after issuing error.
3418 (summarize_insn): Avoid use of UL in constant.
3420 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
3422 * fold-const.c (force_fit_type): Unsigned values can overflow
3423 if they are sizetype.
3424 (int_const_binop): Don't use cache if overflows.
3426 2000-10-20 Richard Henderson <rth@cygnus.com>
3428 * function.c (locate_and_pad_parm): Zero alignment_pad.
3430 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
3431 perform substitutions, and apply_change_group to see if it worked.
3433 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3435 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
3437 * combine.c (struct undo): Change int to unsigned int.
3438 (do_SUBST_INT): Args are unsigned int.
3439 (make_extraction, force_to_mode): Use proper type when forming mask.
3440 (make_field_assignment): Likewise.
3442 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
3444 * c-common.c (check_format_info_recurse): Extract string constant
3445 initializers from non-volatile constant arrays and check them as
3447 * c-typeck.c (decl_constant_value): Don't check pedantic or check
3448 for DECL_MODE (decl) != BLKmode.
3449 (decl_constant_value_for_broken_optimization): New function which
3450 includes these checks.
3451 (default_conversion, convert_for_assignment, digest_init): Use
3452 decl_constant_value_for_broken_optimization instead of
3453 decl_constant_value.
3455 2000-10-20 Mark Mitchell <mark@codesourcery.com>
3457 * tree.h (DECL_ALIGN_UNIT): New macro.
3459 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
3461 * config/avr/avr-protos.h (avr_output_bld): New.
3462 (out_shift_with_cnt): Add t_len argument.
3463 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
3464 (output_movqi, output_movhi, output_movsisf): Optimize loading
3465 any constant with exactly one bit set to NO_LD_REGS.
3466 (out_shift_with_cnt): Optimize output code for size or speed,
3467 depending on optimize_size. Handle small shift counts as well
3468 (if not hand-optimized in ?sh??i3_out). Shifts can be done
3469 with or without a scratch register, with help of __tmp_reg__
3470 or __zero_reg__ if necessary. Add T_LEN argument to pass the
3471 length of TEMPLATE in words, return total insn length in *LEN.
3472 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
3473 out_shift_with_cnt to work with the above change.
3474 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
3475 lshrsi3_out): Likewise. Optimize more known shift count cases.
3476 Remove cases already well optimized in out_shift_with_cnt.
3477 (avr_output_bld): New function.
3478 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
3479 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
3480 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
3481 Add reload_completed to insn condition - only for peepholes.
3482 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
3483 in a register or memory.
3484 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
3485 Do not require a scratch register.
3486 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
3487 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
3488 Optimize shifts by known count using a scratch register, but only
3489 if one is still available after register allocation.
3491 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3493 * t-vax: New file. Don't build modules from libgcc1.c.
3495 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
3497 * alias.c: (mark_constant_function): Don't check pure functions.
3498 Initialize and end alias analysis.
3499 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
3500 Don't make a special exception for recursion. Handle
3501 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
3502 unless it's volatile.
3504 * local-alloc.c (equivalence): New structure.
3505 (reg_equiv): Define.
3506 (contains_replace_regs): Remove array and use
3508 (memref_referenced_p): Likewise.
3509 (no_equiv): Likewise.
3510 (update_equiv_regs): Likewise.
3512 (equiv_init_varies_p,
3513 equiv_init_movable_p): New functions.
3514 (update_equiv_regs): Use them. Use rtx_varies_p
3515 instead of function_invariant_p. Process insns
3516 from end to beginning. Allow a REG_EQUIV insn
3517 within the same loop as a use to be moved, also
3518 allow it to be moved out of a loop. Update
3519 REG_DEAD notes when substituting into an insn.
3521 2000-10-19 Jim Wilson <wilson@cygnus.com>
3523 * c-decl.c (start_decl): Check for error_mark_node type before using
3525 (finish_decl): Likewise. Don't give an error if decl type is
3526 already error_mark_node.
3528 * haifa-sched.c (compute_trg_info): Add explanatory comments.
3529 New local update_blocks. Use update_blocks to remove duplicates
3530 when computing update blocks. Check for bblst_table overflow.
3531 (schedule_block): Add explanatory comment. Reduce bblst_size by
3533 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
3536 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3538 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
3540 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3542 * expmed.c: Minor corrections in comments.
3543 * invoke.texi: Added desciption for the new option -ftrapv.
3545 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3547 * libgcc2.c: Added the missing #endif.
3549 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3551 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
3553 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
3555 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
3556 Use smulv_optab for -ftrapv.
3557 (expand_mult_highpart): Use unsigned multiply.
3558 (expand_divmod): Special-case division by -1.
3559 For EXACT_DIV_EXPR, do right shift first, then the multiply.
3560 For complex divide, use abs with unsigned result.
3561 * expr.c (force_operand): Use unsigned multiply.
3562 (expand_expr): Use overflow-trapping optabs for signed types if
3564 If flag_trapv, don't generate a recursive call with EXPAND_SUM
3565 if the type is signed and the original call wasn't EXPAND_SUM or
3567 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
3568 (negv_optab, absv_optab): Declare.
3569 * flags.h (flag_trapv): Declare.
3570 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
3571 smulv_optab, sdivv_optab, negv_optab and absv_optab.
3572 (gen_insn): Interpret '$P' as requiring an integer mode,
3573 including partial integer modes.
3574 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
3575 (product_cheap_p): Use unsigned expand_mult.
3576 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
3577 (negv_optab, absv_optab): Define.
3578 (expand_binop): Use overflow-trapping optabs for signed types if
3580 Handle negv_optab libe neg_optab.
3581 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
3582 Use overflow-trapping optabs for signed result if flag_trapv.
3583 (expand_complex_abs): Use overflow-trapping optabs for signed types if
3585 Don't open-code complex absolute-value operation for flag_trapv.
3586 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
3587 sdivv_optab, negv_optab and absv_optab.
3588 * toplev.c (flag_trapv): Define.
3589 (lang_independent_options f_options): Include flag_trapv.
3590 * tree.h (TYPE_TRAP_SIGNED): Define.
3591 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
3592 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3594 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
3595 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
3597 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
3598 David V. Henkel-Wallace <gumby@cygnus.com>
3600 * config/i386/t-netware: Bring in from the Red Hat tree.
3601 * config/i386/netware.h: Likewise.
3602 * config/netware.h: Likewise.
3603 * config/rs6000/netware.h: Delete.
3604 * configure.in: Add i[34567]86-*-netware.
3605 * configure: Hand-edit to match configure.in change.
3607 2000-10-18 Mark Mitchell <mark@codesourcery.com>
3609 * c-common.h (flag_no_builtin): Declare.
3610 (flag_no_nonansi_builtin): Likewise.
3611 (c_common_nodes_and_builtins): Change prototype.
3612 * c-common.c (flag_no_builtin): New variable.
3613 (flag_no_nonansi_builtin): Likewise.
3614 (c_common_nodes_and_builtins): Remove parameters. Adjust
3616 * c-decl.c (flag_no_builtin): Remove.
3617 (flag_no_nonansi_builtin): Likewise.
3618 (init_decl_processing): Adjust call to
3619 c_common_nodes_and_builtins.
3621 2000-10-18 Marc Espie <espie@openbsd.org>
3623 * tm.texi (LIBGCC_SPEC): Synch with reality.
3625 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3627 * c-common.c (check_format_types): Check for writing through a
3628 NULL pointer argument.
3630 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
3632 * tm.texi (Exception Region Output): Document
3633 DWARF_CIE_DATA_ALIGNMENT.
3634 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
3636 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
3637 DWARF_CIE_DATA_ALIGNMENT.
3639 2000-10-18 Michael Hayes <mhayes@cygnus.com>
3641 * basic-block.h (struct loop): Delete fields pre_header_root
3642 and pre_header_trace and replace with pre_header_edges
3643 and num_pre_header_edges.
3644 * flow.c (flow_loop_dump): Dump pre_header_edges.
3645 (flow_loops_free): Free pre_header_edges.
3646 (flow_loop_pre_header_scan): Calculate pre_header_edges.
3648 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3650 * contrib.texi: Update references to steering committee members
3651 and Jeff Law's entry.
3653 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3655 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
3656 (maybe_read_dollar_number, check_format_info_main): Use them for
3657 pedantic warning messages.
3659 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3661 * c-common.c (check_format_info_main): Minor cleanup: move
3662 variables into inner scopes; initialize declarations where
3663 appropriate; don't hardcode "scanf" name on warning for zero
3666 2000-10-17 Mark Mitchell <mark@codesourcery.com>
3668 * c-common.c (back_end_hook): New variable.
3669 * c-common.h (back_end_hook): Declare it.
3670 * c-lang.c (finish_file): Use it.
3672 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
3675 2000-10-18 Jan Hubicka <jh@suse.cz>
3677 * i386.c (ix86_comparison_operator, put_condition_code,
3678 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
3679 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
3680 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
3681 * i386.md (adddi and negdi splitter): Use CCRCmode.
3682 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
3683 (subsi3_carry): add '*'
3684 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
3685 (cmp to add peep2): Use CCRCmode; swap operands.
3687 2000-10-18 Kazu Hirata <kazu@hxi.com>
3689 * h8300.c: Fix a comment typo.
3690 (round_frame_size): New.
3691 (compute_saved_regs): Likewise.
3694 (push_order): Remove.
3695 (pop_order): Likewise.
3696 (function_prologue): Rearrange code for readability.
3697 (function_epilogue): Likewise.
3699 * config/h8300/h8300.md: Remove an unnecessary sign_extend
3700 expander that is used when not optimizing. Output a tab after
3701 each assembly insns.
3703 * reorg.c: Fix formatting.
3705 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
3707 * reload1.c (move2add_note_store): Check for simple
3708 auto-inc in destination.
3710 2000-10-17 Michael Chastain <chastain@redhat.com>
3712 * config/i386/i386-aout.h: define INT_ASM_OP.
3714 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
3716 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
3718 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
3720 * i370.md: Fix spelling typo.
3722 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3724 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
3725 Fixes execute/20001017-1.c on powerpc-linux-gnu.
3727 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
3728 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
3731 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
3732 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
3734 * rs6000/aix.h: ...to here.
3735 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
3737 2000-10-17 Jakub Jelinek <jakub@redhat.com>
3739 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
3741 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
3742 sure linker can relax even the delay slot mov %g1,%o7, fix output
3745 2000-10-17 Kazu Hirata <kazu@hxi.com>
3747 * config/h8300/h8300.md: Remove an unnecessary zero_extend
3748 expander that is used when not optimizing. Output a tab after
3749 each assembly insns.
3751 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
3753 * gcc.c: New options --target-help.
3754 (process_command): Added code to parse this new option.
3755 * toplev.c (display_target_options): New function to support the
3757 * cppinit.c (new_pending_directive) : New option OPT_target__help.
3758 (cpp_handle_option): Support this new option.
3759 * invoke.texi: Added notes about --target-help option.
3761 2000-10-17 Graham Stott <grahams@redhat.com>
3763 * config/i386/i386.md (testqi_1): Add missing operand prefix
3765 * config/i386/i386-protos.h: Add missing prototype.
3767 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
3769 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
3770 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
3771 using -mintel-syntax.
3773 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3775 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
3776 (format_types): Use it for printf.
3777 (maybe_read_dollar_number): Add parameter for the kind of format
3778 involved. Warn for multiple use for arguments if this is
3779 inappropriate for the kind of format involved.
3780 (check_format_info_main): Update calls to maybe_read_dollar_number.
3782 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3784 * inclhack.def (hpux_maxint): Also apply fix to values.h.
3785 * fixincl.x: Rebuilt.
3787 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
3789 * genrecog.c (write_switch): Return the first condition that needs a
3792 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
3794 * c-tree.h (warn_sequence_point): Move declaration to...
3795 * c-common.h (warn_sequence_point): ... here.
3796 * c-decl.c (warn_sequence_point): Move definition to...
3797 * c-common.c (warn_sequence_point): ... here.
3798 (struct reverse_tree): New.
3799 (reverse_list, reverse_max_depth): New static variables.
3800 (build_reverse_tree, common_ancestor, modify_ok
3801 verify_sequence_points): New functions.
3802 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
3803 * c-typeck.c (check_modify_expr): Delete.
3804 (build_modify_expr): Don't call it.
3806 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3808 * c-common.h (warn_missing_format_attribute): New variable.
3809 * c-decl.c (warn_missing_format_attribute): New variable.
3810 (c_decode_option): Decode -Wmissing-format-attribute and
3811 -Wno-missing-format-attribute.
3812 * c-common.c (check_function_format): If
3813 -Wmissing-format-attribute, give a warning where a vprintf or
3814 vscanf function is called by a function without its own printf or
3816 * toplev.c (documented_lang_options): Add
3817 -Wmissing-format-attribute.
3818 * invoke.texi: Document -Wmissing-format-attribute.
3820 2000-10-17 Marc Espie <espie@openbsd.org>
3822 * invoke.texi (-shared): Insist on requiring code generation flags
3823 to be used along with -shared, and document the subtle failure that
3824 may occur otherwise.
3826 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3828 * pa.md (return_internal): Move `use' after `return'.
3830 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3832 * machmode.def: Correct comment.
3834 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
3836 * print-rtl.c (print_rtx_head): Constify.
3837 * rtl.h (print_rtx_head): Similarly.
3839 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
3840 Constify char * return value.
3842 (output_64bit_and, output_64bit_ior): Constify char * return value.
3843 (pa_can_combine_p): Make static.
3844 (function_arg): Decorate unused `named' argument. Fix comment typo.
3845 (function_arg_partial_nregs): Decorate unused `named' argument.
3847 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
3849 * c-common.c (format_check_results): New structure.
3850 (finish_dollar_format_checking): Adjust to take a
3851 format_check_results * parameter.
3852 (check_format_info, check_format_info_recurse,
3853 check_format_info_main): Split check_format_info into three
3854 functions, the main checking going in check_format_info_main.
3855 Recurse when any reduction of the format string argument towards a
3856 string literal is done; go down both branches of a conditional
3857 expression. Don't warn for extra format arguments or empty format
3858 strings if they only occur in some branches of a conditional
3861 2000-10-16 Kazu Hirata <kazu@hxi.com>
3863 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
3865 2000-10-16 Jakub Jelinek <jakub@redhat.com>
3867 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
3869 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
3871 * i386.md (*movsi_or): Switch operand order for intel syntax.
3873 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
3877 * gcc.texi (Contributing): Update.
3879 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
3881 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
3882 appropriate assembler dialect.
3884 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
3886 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
3888 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
3890 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
3891 constants 1 and 2 to NO_LD_REGS.
3893 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3895 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
3897 * objc/Make-lang.in (objc-parse.c): Likewise.
3899 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3901 * arm.c: Include obstack.h
3902 (minipool_obstack, minipool_startobj): Define.
3903 (arm_add_gc_roots): Initialize them.
3904 (create_fix_barrier): Use our new obstack.
3905 (push_minipool_barrier, push_minipool_fix): Likewise.
3906 (arm_reorg): Release obstack memory.
3908 2000-10-13 Jakub Jelinek <jakub@redhat.com>
3910 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
3911 (prologue, exception_receiver, builtin_setjmp_receiver): New
3913 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
3914 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3915 (load_pic_register): New prototype.
3916 * config/sparc/sparc.c (pic_setup_code): Remove.
3917 (finalize_pic): Rename to...
3918 (load_pic_register): ...this function.
3919 Don't look for nonlocal_goto_receivers and emit pic setup code
3920 directly. Don't check current_function_uses_pic_offset_table.
3922 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3924 * tree.h (struct obstack): Declare.
3926 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3929 * Makefile.in (ggc-callbacks.o): Remove target.
3930 (flow.o): Depend on GGC_H.
3931 * alias.c (init_alias_analysis):
3932 Remove ggc_p conditionals.
3933 (end_alias_analysis): Likewise.
3934 * basic-block.h (init_flow): New function.
3935 (allocate_reg_life_data): Declare.
3936 * bb-reorder.c (function_obstack): Replace with ...
3937 (flow_obstack): ... new variable.
3938 (fixup_reorder_chain): Use it.
3939 * c-decl.c (ggc_p): Remove.
3940 (caller-save.c): Don't call oballoc/obfree.
3942 undobuf): Remove storage.
3943 (try_combine): Don't call oballoc.
3944 (undo_all): Don't call obfree.
3945 * cse.c (insert): Use xmalloc, not
3947 (cse_main): Adjust accordingly.
3948 * dwarf2out.c (save_rtx): Remove
3950 (dwarf2out_init): Remove ggc_p conditionals.
3951 * emit-rtl.c (rtl_obstack): Remove.
3952 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
3953 (make_insn_raw): Likewise.
3954 (emit_insn_before): Likewise.
3955 (emit_insn_after): Likewise.
3956 (emit_insn): Likewise.
3957 (gen_sequence): Likewise.
3958 (copy_insn_1): Remove handling of `b' RTL components.
3959 (init_emit_once): Remove ggc_p conditionals.
3960 * except.c (create_rethrow_ref): Don't fool with obstacks.
3961 (add_partial_entry): Likewise.
3962 (call_get_eh_context): Likewise.
3963 (begin_protect_partials): Likewise.
3964 (protect_with_terminate): Likewise.
3966 (plus_constant_wide): Likewise.
3967 * expr.c (init_expr_once):
3969 (emit_block_move): Likewise.
3970 (clear_storage): Likewise.
3971 (expand_expr): Likewise.
3972 * flow.c (function_obstack): Remove.
3973 (flow_obstack): New variable.
3974 (flow_firstobj): Likewise.
3975 (create_base_block): Use the flow_obstack.
3976 (split_block): Likewise.
3977 (split_edge): Likewise.
3978 (calculate_global_regs_live): Likewise.
3979 (allocate_bb_life_data): Make it static. Likewiwse.
3980 (init_flow): New function.
3981 (size_int_type_wide): Remove ggc_p conditionals.
3983 (push_function_context_to): Don't call save_tree_status.
3984 (pop_function_context_from): Or restore_tree_status.
3985 (assign_stack_local_1): Don't call push_obstacks.
3986 (find_fixup_replacement): Use xmalloc.
3987 (fixup_var_refs_insns): Free the storage.
3988 (insns_for_mem_walk): Don't mess with obstacks.
3989 (instantiate_decls): Likewise.
3990 (trampoline_address): Likewise.
3991 (expand_function_end): Likewise.
3992 * function.h (sturct function):
3993 Remove obstack-related variables.
3994 (save_tree_status): Don't declare.
3995 (restore_tree_status): Likewise.
3996 * gcse.c (compute_can_copy):
3997 Don't call oballoc/obfree.
3998 * genattrtab.c (operate_exp): Remove
4000 (simplify_cond): Likewise.
4001 (simplify_test_exp): Don't mess with obstacks.
4002 (optimize_attrs): Likewise.
4003 * gengenrtl.c (gendef): Don't include
4005 * ggc-callbacks.c (ggc_p): Remove.
4006 * ggc-none.c (ggc_p): Remove.
4007 * ggc.h (ggc_p): Don't declare.
4008 * integrate.c (save_for_inline): Don't mess with obstacks.
4009 (integrate_decl_tree): Likewise.
4010 (output_inline_function): Likewise.
4012 (init_EXPR_INSN_LIST_cache): Likewise.
4013 * loop.c (temp_obstack):
4015 (rtl_obstack): Likewise.
4016 (init_loop): Don't mess with obstacks.
4017 (reg_address_cost): Free BIVs and GIVs.
4018 (check_insns_for_bivs): Use xmalloc, not oballoc.
4019 (find_mem_givs): Likewise.
4020 (record_biv): Likewise.
4021 (general_induction_var): Likewise.
4022 (product_cheap_p): Likewse.
4023 * optabs.c (init_one_libfunc): Remove
4025 * print-tree.c (debug_tree): Don't use
4027 (print_node): Likewise.
4028 * profile.c (output_func_start_profiler):
4029 Remove call to temporary_allocation.
4031 (eliminate_regs_in_insn): Don't mess with obstacks.
4033 (mark_target_live_regs): Use xmalloc.
4034 (free_resource_info): Free the memory.
4035 * rtl.c (rtl_obstack):
4037 (rtvec_alloc): Don't mess with obstacks.
4038 (rtx_alloc): Likewise.
4040 (copy_rtx): Don't handle `b' cases.
4041 (read_rtx): Use a local rtl_obstack.
4042 * rtl.h (oballoc): Remove.
4044 (pop_obstacks): Likewise.
4045 (push_obstacks): Likewise.
4046 (allocate_bb_life_data): Likewise.
4047 (allocate_reg_life_data): Likewise.
4048 (rtx_free): Likewise.
4049 * sdbout.c (sdbout_queue_anonymous_type):
4050 Use tree_cons, not saveable_tree_cons.
4052 (cselib_init): Don't mess with obstacks.
4054 (mark_block_nesting): Mark the label_chain.
4055 (epxand_label): Use ggc_alloc, not oballoc.
4056 (clear_last_expr): Don't mess with obstacks.
4057 (expand_decl_cleanup): Likewise.
4058 (expand_dcc_cleanup): Likewise.
4059 (expand_dhc_cleanup): Likewise.
4060 (expand_anon_union_decl): Likewise.
4061 (add_case_node): Use xmalloc, not oballoc.
4062 (free_case_nodes): New function.
4063 (expand_end_case): Call it.
4064 * stor-layout.c (layout_type): Don't
4066 (layout_type): Likewise.
4067 * toplev.c (wrapup_global_declarations):
4069 (compile_file): Remove ggc_p conditionals.
4070 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
4071 (decode_f_option): Remove ggc_p conditionals.
4073 (function_maybepermanent_obstack): Remove.
4074 (maybepermanent_obstack): Likewise.
4075 (function_obstack): Likewise.
4076 (tmeporary_obstack): Likewise.
4077 (momentary_obstack): Likewise.
4078 (temp_decl_obstack): Likewise.
4079 (saveable_obstack): Likewise.
4080 (rtl_obstack): Likewise.
4081 (current_obstack): Likewise.
4082 (expression_obstack): Likewise.
4083 (struct obstack_stack): Likewise.
4084 (obstack_stack): Likewise.
4085 (obstack_stack_obstack): Likewise.
4086 (maybepermanent_firstobj): Likewise.
4087 (temporary_firstobj): Likewise.
4088 (momentary_firstobj): Likewise.
4089 (temp_decl_firstobj): Likewise.
4090 (momentary_function_firstobj): Likewise.
4091 (all_types_permanent): Likewise.
4092 (struct momentary_level): Likewise.
4093 (momentary_stack): Likewise.
4094 (init_obstacks): Remove initialization of removed obstacks.
4095 (save_tree_status): Remove.
4096 (restore_tree_status): Likewise.
4097 (temporary_allocation): Liekwise.
4098 (end_temporary_allocation): Liekwise.
4099 (resume_temporary_allocation): Likewise.
4100 (saveable_allocation): Likewise.
4101 (push_obstacks): Likewise.
4102 (push_obstacks_nochange): Likewise.
4103 (pop_obstacks): Likewise.
4104 (allocation_temporary_p): Likewise.
4105 (permanent_allocation): Likewise.
4106 (preserve_data): Likewise.
4107 (preserve_initializer): Likewise.
4108 (rtl_in_current_obstack): Likewise.
4109 (rtl_in_saveable_obstack): Likewise.
4110 (oballoc): Likewise.
4112 (savealloc): Likewise.
4113 (expralloc): Likewise.
4114 (print_obstack_name): Likewise.
4115 (debug_obstack): Likewise.
4116 (object_permanent_p): Likewise.
4117 (push_momentary): Likewise.
4118 (perserve_momentary): Likewise.
4119 (clear_momentary): Likewise.
4120 (pop_momentary): Likewise.
4121 (pop_momentary_nofree): Likewise.
4122 (suspend_momentary): Likewise.
4123 (resume_momentary): Likewise.
4124 (make_node): Don't set TREE_PERMANENT.
4125 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
4126 Don't set TREE_PERMANENT.
4127 (get_identifier): Remove ggc_p conditionals.
4128 (build_string): Likewise.
4129 (make_tree_vec): Likewise.
4130 (build_decl_list): Remove.
4131 (build_expr_list): Likewise.
4132 (tree_cons): Remove ggc_p conditionals.
4133 (decl_tree_cons): Remove.
4134 (expr_tree_cons): Likewise.
4135 (perm_tree_cons): Likewise.
4136 (temp_tree_cons): Likewise.
4137 (saveable_tree_cons): Likewise.
4138 (build1): Remove ggc_p conditionals.
4139 (build_parse_node): Likewise.
4140 (build_type_attribute_variant): Don't mess with obstacks.
4141 (build_type_copy): Likewise.
4142 (type_hash_canon): Likewise.
4143 (build_pointer_type): Likewise.
4144 (build_reference_type): Likewise.
4145 (build_index_type): Likewise.
4146 (build_range_type): Likewise.
4147 (dump_tree_statistics): Don't print obstack information.
4149 (struct tree_common): Remove permanent_flag.
4150 (TREE_PERMANENT): Remove.
4151 (TREE_SET_PERMANENT): Likewise.
4152 (TYPE_OBSTACK): Likewise.
4153 (struct tree_type): Remove obstack.
4155 (savealloc): Likewise.
4156 (build_decl_list): Likewise.
4157 (build_expr_list): Likewise.
4158 (perm_tree_cons): Likewise.
4159 (temp_tree_cons): Likewise.
4160 (saveable_tree_cons): Likewise.
4161 (decl_tree_cons): Likewise.
4162 (expr_tree_cons): Likewise.
4163 (suspend_momentary): Likewise.
4164 (allocation_temporary_p): Likewise.
4165 (resume_momentary): Likewise.
4166 (push_obstacks_nochange): Likewise.
4167 (permanent_allocation): Likewise.
4168 (push_momentary): Likewise.
4169 (clear_momentary): Likewise.
4170 (pop_momentary): Likewise.
4171 (end_temporary_allocation): Likewise.
4172 (pop_obstacks): Likewise.
4173 (push_obstacks): Likewise.
4174 (pop_momentary_nofree): LIkewise.
4175 (preserve_momentary): Likewise.
4176 (saveable_allocation): Likewise.
4177 (temporary_allocation): Likewise.
4178 (resume_temporary_allocation): Likewise.
4179 (perserve_initializer): Likewise.
4180 (debug_obstack): Likewise.
4181 (rtl_in_current_obstack): Likewise.
4182 (rtl_in_saveable_obstack): Likewise.
4184 * varasm.c (current_obstack): Remove.
4185 (saveable_obstack): Remove.
4186 (rtl_obstack): Remove.
4187 (immed_double_const): Don't mess with obstacks.
4188 (immed_real_cons): Likewise.
4189 (output_constant_def): Likewise.
4190 (init_varasm_status): Use xcalloc.
4191 (mark_pool_constant): Mark the pool constant itself.
4192 (free_varasm_status): Free memory.
4193 (decode_rtx_const): Call bzero directly, rather than expanding it
4195 (record_rtx_const): Don't mess with obstacks.
4196 (force_const_mem): Likewise.
4197 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
4199 (aof_pic_entry): Likewise.
4200 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
4201 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
4202 * config/pa/pa.c (saveable_obstack): Remove.
4203 (rtl_obstack): Likewise.
4204 (current_obstack): Likewise.
4205 (output_call): Don't mess with obstacks.
4206 (hppa_encode_label): Remove ggc_p conditionals.
4207 * config/romp/romp.c (get_symref): Don't mess with obstacks.
4208 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
4209 (rs6000_encode_section_info): Likewise.
4210 * config/sh/sh.c (get_fpscr_rtx): Likewise.
4212 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
4214 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
4215 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
4216 (addsi3_carry): Canonicalize.
4217 (addqi_5): Remove '*'.
4218 (sbb pattern): Canonicalize.
4220 * i386.md (cmp to inc/add peep2): New.
4222 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
4224 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
4227 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4229 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
4230 * README.TRAD, TESTS.FLUNK: Remove.
4232 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4234 * c-common.c (decl_attributes): Don't allow strftime formats with
4235 first_arg_num nonzero.
4236 (check_format_info): Set wanted_type and wanted_type_name to zero
4237 before they are possibly assigned and used.
4239 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4241 * c-common.c (scanf_flag_specs): Add flags ' and I.
4242 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
4243 or the ^ and # flags together.
4244 (scan_char_table): Handle the ' and I flags.
4245 (format_types): Add ' and I flags for scanf.
4247 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4249 * c-common.c (print_char_table): Use the unpromoted type for
4250 lengths "h" and "hh" with conversions dioxXu.
4251 (check_format_types): Apply the default argument promotions where
4252 the wanted type is not a pointer target.
4254 2000-10-11 Michael Meeks <mmeeks@gnu.org>
4255 Joseph S. Myers <jsm28@cam.ac.uk>
4257 * c-typeck.c (check_modify_expr): New function.
4258 (build_modify_expr): Call it if warn_sequence_point.
4259 * c-decl.c (warn_sequence_point): New variable.
4260 (c_decode_option): Handle -Wsequence-point and
4261 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
4262 * c-tree.h (warn_sequence_point): Declare.
4263 * invoke.texi (-Wsequence-point): Document.
4264 * toplev.c (documented_lang_options): Add -Wsequence-point and
4265 -Wno-sequence-point.
4266 Original work by Michael Meeks, 16 Jun 1998.
4268 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4270 * tree.c (get_narrower): Don't look at precision of field if
4273 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
4275 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
4276 declaration for data with "progmem" attribute.
4278 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
4280 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
4281 Correct insn length if shift count is a memory operand.
4282 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
4283 (*iorhi3_clobber): Change lo8 to hi8.
4284 (zero_extendhisi2): Change %B0 to %A1.
4285 (ashlhi3, ashrhi3): Correct insn length.
4286 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
4287 from "clobber" to "set_n" in some alternatives.
4289 2000-10-10 Jakub Jelinek <jakub@redhat.com>
4291 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
4292 remove its insn_chain structure as well.
4294 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4296 * dbxout.c (dbxout_source_line): Remove extra tab.
4298 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
4300 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
4302 2000-10-09 Richard Henderson <rth@cygnus.com>
4304 * Makefile.in (LANG_LIB2FUNCS): Remove.
4305 (LIB2FUNCS): Remove _pure.
4306 (LIB2ADD): Remove LANG_LIB2FUNCS.
4307 (stage_a): Don't set LANG_LIB2FUNCS.
4308 * libgcc2.c (__terminate): Mark noreturn.
4309 (__pure_virtual): Remove.
4310 * mklibgcc.in: Remove LIB2ADD .txt processing.
4312 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4314 * arm.md (push_multi): Revert unintended change.
4316 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4318 * arm.c: Miscellaneous white space and comment clean-ups. No
4322 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4324 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
4325 STRING_CST by calling combine_strings.
4327 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4329 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
4330 (thumb_output_move_mem_multiple): Support new insn format.
4331 * arm.md (movmem12b): Use SSA compatible format.
4332 (movmem8b): Likewise.
4334 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4336 * arm.md (predicable): New attribute, default to "no".
4337 (all patterns): Mark as predicable if appropriate.
4338 (conditional execution splits): Split using predication format.
4339 (define_cond_exec): Define.
4340 * arm.c (arm_print_operand): handle insn predicate.
4342 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4344 * README.NS32K: Remove file.
4346 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4348 * README-bugs: Remove file.
4350 2000-10-08 Philipp Thomas <pthomas@suse.de>
4351 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
4353 * configure: Rebuilt.
4355 2000-10-08 Philipp Thomas <pthomas@suse.de>
4356 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
4357 disable catalog building if no suitable program was found.
4358 Move warning message from here
4359 (AM_GNU_GETTEXT): To here.
4360 * configure: Rebuilt.
4362 2000-10-08 Philipp Thomas <pthomas@suse.de>
4363 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
4364 different cache variables.
4365 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
4366 uses different cache variables.
4367 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
4368 * configure: Regenerated.
4370 2000-10-08 Richard Henderson <rth@cygnus.com>
4372 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
4373 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
4374 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
4377 * config/t-linux (SHLIB_EXT): New.
4378 (SHLIB_LINK): Use the entire build command, with substitutions.
4379 (SHLIB_LIBS): Remove.
4380 * config/alpha/t-osf4: Likewise.
4381 * config/mips/t-iris6: Likewise.
4382 * config/sparc/t-sol2: Likewise, but move shlib stuff...
4383 * config/sparc/t-slibgcc-sld: ...here.
4384 * config/sparc/t-slibgcc: New file.
4386 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4388 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
4389 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
4391 (intmax_type_node, uintmax_type_node): Define.
4392 * c-common.c (decl_attributes): If pedantic, warn if `mode'
4393 attributes create a type wider than intmax_t.
4394 (T_IM, T_UIM): Define properly.
4395 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
4397 (init_decl_processing): Initialize intmax_type_node and
4399 * c-lex.c (lex_number): When pedantic and warning for integer
4400 constants that are too large, in C99 mode warn for those that have
4401 a type wider than long long.
4403 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4405 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
4406 FMT_FLAG_FANCY_PERCENT_OK): Define.
4407 (format_char_info): Add flag "4" to comment.
4408 (format_flag_spec, format_flag_pair): New structures.
4409 (format_kind_info): Add additional fields to control format
4411 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
4412 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
4414 (time_char_table): Use "4" flag to handle %Ey.
4415 (format_types): Add entries for new fields.
4416 (get_flag_spec): New function.
4417 (check_format_info): Increase size of flag_chars[] to 256.
4418 Control format checking using the new fields of a format_kind_info
4419 and the new tables; remove all conditionals on printf_format_type,
4420 scanf_format_type or strftime_format_type. Handle all details of
4421 bad combinations of flags (including width, precision and strftime
4422 modifiers) through data rather than ad hoc code. Handle all
4423 details of standard versions in which flags appeared through
4424 data. Use the "4" flag.
4426 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
4428 * config/h8300/h8300.md: Remove the memory alternative and correct
4429 the insn lengths in the templates for sign extention and zero
4432 2000-10-07 Richard Henderson <rth@cygnus.com>
4434 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
4435 * flow.c (make_edges): Revert last change.
4437 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
4439 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
4441 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
4443 * config/alpha/elf.h: Standardize the formatting.
4445 2000-10-06 David O'Brien <obrien@FreeBSD.org>
4447 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
4450 2000-10-06 Richard Henderson <rth@cygnus.com>
4452 * function.c (diddle_return_value): Examine
4453 current_function_return_rtx instead of the DECL_RESULT.
4454 (expand_function_end): Handle reloading DECL_RESULT from memory
4455 into a hard register. Query promote_mode for sign of mismatched
4458 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4460 * haifa-sched.c (schedule_insns): Fix typo in freeing
4461 forward_dependency_cache.
4463 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4465 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
4466 `TARGET_SH2' as a condition.
4468 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4470 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
4471 forward_dependency_cache): New variables.
4472 (add_dependence, remove_dependence): Use anti_dependency_cache and
4473 output_dependency_cache.
4474 (compute_block_forward_dependences): Use forward_dependency_cache.
4475 (schedule_insns): Allocate and free memory for anti/output/forward
4476 dependencies caches.
4478 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4480 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
4481 `! TARGET_SH1'. Reindent.
4483 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4485 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
4486 Move functions from here ...
4488 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
4490 (c_expand_builtin): New function.
4491 (init_function_format_info): Don't set `check_function_format_ptr'.
4492 (c_common_nodes_and_builtins): Set built_in_class type for
4493 printf/__builtin_printf to BUILT_IN_FRONTEND.
4494 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
4496 * c-common.h (build_function_call): Declare.
4498 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
4499 to `lang_expand_expr' rather than `expand_builtin'.
4501 * tree.c (check_function_format_ptr): Delete.
4503 * tree.h (check_function_format_ptr): Likewise.
4505 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
4507 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
4508 DW_OP_bregx when cfa->reg > 31.
4510 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
4513 2000-10-05 Richard Henderson <rth@cygnus.com>
4515 * c-decl.c (warn_missing_noreturn): Remove.
4516 (c_expand_body): Don't set or check can_reach_end.
4517 * c-tree.h (warn_missing_noreturn): Move ...
4518 * flags.h: ... here.
4519 (can_reach_end): Remove.
4520 * flow.c (check_function_return_warnings): New.
4521 (make_edges): No edge to exit for noreturn sibcalls.
4522 * function.c (expand_function_end): Save the return value
4523 clobber instruction.
4524 (mark_function_status): Mark it.
4525 * function.h (struct function): Add x_clobber_return_insn.
4526 * jump.c (can_reach_end): Remove.
4527 (calculate_can_reach_end): Remove.
4528 (jump_optimize_1): Don't call it.
4529 * output.h (check_function_return_warnings): Declare.
4530 * toplev.c (warn_missing_noreturn): Move from c-decl.c
4531 (rest_of_compilation): Call check_function_return_warnings.
4533 2000-10-05 Richard Henderson <rth@cygnus.com>
4535 * Makefile.in (NM_FOR_TARGET): New.
4536 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
4537 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
4538 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
4539 shared library build on that and EXTRA_MULTILIB_PARTS.
4540 * mkmap-flat.awk: New file.
4541 * mkmap-symver.awk: New file.
4542 * libgcc-std.ver: New file.
4543 * config/libgcc-glibc.ver: New file.
4544 * config/ia64/libgcc-ia64.ver: New file.
4545 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4546 (SHLIB_LINK): Add --version-script.
4547 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
4548 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4549 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4550 (SHLIB_LINK): Add -M.
4552 2000-10-05 Richard Henderson <rth@cygnus.com>
4554 * Makefile.in (LIB2FUNCS): Add _clz.
4555 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
4556 (__clz_tab): Put in its own unit, non-static.
4557 * libgcc2.h: Always include longlong.h.
4559 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
4560 a zero instead of -1.
4561 (count_trailing_zeros): Likewise.
4563 2000-10-05 Richard Henderson <rth@cygnus.com>
4565 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
4566 when second op1 is const0_rtx. Validate op0 as a register.
4567 * config/alpha/alpha.md (setcc_internal): Don't allow constants
4568 in the first argument of the compare.
4569 (setcc_swapped_internal): Likewise.
4570 (setne_internal): Likewise.
4572 2000-10-05 Geoff Keating <geoffk@cygnus.com>
4574 * tree.c (tree_size): New function split out of copy_node.
4575 (make_node): Remove obstack handling. Use tree_size.
4576 (copy_node): Use tree_size.
4577 * tree.h: Prototype tree_size.
4579 2000-10-05 Richard Henderson <rth@cygnus.com>
4581 * diagnostic.c (output_format): Add missing break.
4583 2000-10-05 Jim Wilson <wilson@cygnus.com>
4585 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
4586 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
4587 sequence insn to INSN, and delete last sequence insn.
4589 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
4591 * gcc.c (main): Include generated configargs.h header
4592 and use arguments in '-v' output.
4594 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4596 * gcc.c: Move data on prefixes forward in file and reorganize.
4597 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
4598 Always define, but make null if no value.
4599 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
4600 and "md_startfile_prefix_1".
4601 (main): Check whether md_exec_prefix and the others are the
4602 null string rather than whether the macro is defined.
4604 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4606 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
4607 from PSImode to SImode.
4609 2000-10-05 Jakub Jelinek <jakub@redhat.com>
4611 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
4612 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
4613 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
4616 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4618 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
4619 negation in proper type.a
4621 2000-10-04 Richard Henderson <rth@cygnus.com>
4623 * configure.in (enable-shared): New.
4624 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
4625 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
4626 * mklibgcc.in: Use them to link shared a libgcc.
4627 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
4628 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
4629 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
4630 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
4632 * configure.in (alpha-osf*): Use t-osf and x-osf.
4633 * config/alpha/t-osf: New file.
4634 * config/alpha/t-osf4: New file.
4635 * config/alpha/x-osf: New file.
4636 * config/alpha/x-alpha: Remove file.
4638 2000-10-04 Will Cohen <wcohen@redhat.com>
4640 * c-typeck.c (process_init_element): Added warning for zero-length
4643 * extend.texi (Zero Length): State that static initializers for
4644 zero-length arrays are not allowed.
4646 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
4648 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
4651 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4653 * config/float-c4x.h: New.
4654 * configure.in (c4x-*): Set float_format to c4x.
4655 * configure: Regenerate.
4657 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4659 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
4660 compilation for solaris versions 2.7 and greater.
4662 2000-10-02 Marc Espie <espie@openbsd.org>
4664 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
4665 instead of redefining from scratch.
4667 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
4669 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
4671 2000-10-01 Mark Mitchell <mark@codesourcery.com>
4673 * config/ns32k/genix.h: Remove.
4674 * config/ns32k/x-genix: Likewise.
4675 * config/ns32k/xm-genix.h: Likewise.
4676 * config/fx80: Remove all filee in directory.
4677 * config/pyr: Likewise.
4678 * config/tahoe: Likewise.
4679 * config/gmicro: Likewise.
4680 * config/spur: Likewise.
4681 * configure.in: Remove configury bits for above targets.
4682 * configure: Regenerated.
4684 * configure.in: Don't configure chill by default.
4685 * configure: Regenerated.
4687 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
4688 (lang_mark_false_label_stack): Remove.
4689 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
4690 <top level> string in GC area.
4691 (mark_splay_tree_node): New function.
4692 (mark_splay_tree): Likewise.
4693 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
4695 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
4696 * ggc-common.c (lang_mark_false_label_stack): Change type.
4697 * ggc.h (ggc_alloc_string): Add comment.
4698 (ggc_strdup): New function.
4700 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
4702 * config/avr/avr.h (BRANCH_COST): Define as 0.
4704 * config/pdp11/pdp11.c: #include "tree.h" added.
4706 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
4708 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
4709 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
4710 with known shift count.
4711 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
4712 New alternative for shift count 2 with no scratch register.
4713 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
4714 "set_n" for shift counts 1 and 2.
4716 2000-09-30 Geoff Keating <geoffk@cygnus.com>
4718 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
4719 the mask value from the individual SET operations.
4720 (return_internal_si): Move the USE after the RETURN.
4721 (return_internal_di): Likewise.
4722 (return_and_restore_fpregs_si): Likewise.
4723 (return_and_restore_fpregs_di): Likewise.
4724 (return_eh_si): Likewise.
4725 (return_eh_di): Likewise.
4726 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
4728 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
4729 Don't generate a PARALLEL around a single operation movsi_to_cr.
4730 Generate the RETURN first in any PARALLELs.
4732 * rtlanal.c (single_set_1): Use fatal_insn to display the
4733 invalid insn. Check for more cases when a USE or CLOBBER occurs
4735 * Makefile.in: Update dependencies for rtlanal.o.
4737 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4739 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
4741 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4743 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
4744 Consistently use @email for formatting email addresses.
4746 2000-09-29 Richard Henderson <rth@cygnus.com>
4748 * cse.c (notreg_cost): New argument outer.
4749 (COST): Pass in SET to notreg_cost
4751 (fold_rtx): Use COST_IN. Prefer constants when costs
4754 2000-09-29 David Edelsohn <edelsohn@gnu.org>
4756 * fixinc/inclhack.def (broken_cabs): Generalize regex.
4757 * fixinc/fixincl.x: Regenerate.
4759 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4761 * loop.c (check_final_value): A GIV is not replaceable if used
4764 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
4766 * version.c: Bump to gcc-2.97.
4768 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
4770 * final.c (final_scan_insn): Remove extra extract_insn call;
4771 Use caching for constrain_operands.
4772 (cleanup_subreg_operands): Use caching for extract_insn.
4773 * recog.c (constrain_operands_cached): New.
4774 * recog.h (constrain_operands_cached): Declare.
4775 * i386.c (ix86_attr_length_immediate_default,
4776 ix86_attr_length_address_default, ix86_agi_dependant): Cache
4779 * recog.c (asm_noperands): Tweak.
4780 (extract_insn): Do not call asm_noperads for non-asm instructions.
4782 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4784 * recog.c (recog_memoized): Rename to recog_memoized_1.
4785 * recog.h (recog_memoized): Rename to recog_memoized_1.
4786 (recog_memoized): New macro.
4787 * rtl.h (single_set): Rename to single_set_1
4788 (single_set): New macro.
4789 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
4792 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
4793 Do not use match_dup of input operands at outputs.
4794 Use register_operand for memory expression.
4795 (rep_movsi): Put use last, canonicalize.
4796 Use register_operand for memory expression.
4797 (rep_movqi): Put use last.
4798 Use register_operand for memory expression.
4799 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
4800 of input operands at outputs. Use register_operand for memory
4802 (rep_stossi): Put use last; canonicalize; fix match_dup in
4803 the address expression
4804 (rep_stosqi): Likewise.
4805 (memcmp expander): Update calls.
4806 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
4809 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
4811 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
4813 2000-09-28 David O'Brien <obrien@FreeBSD.org>
4815 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
4816 Contains the old contents of config/i386/freebsd.h
4817 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
4818 Contains the old contents of config/i386/freebsd-elf.h
4819 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
4820 config/i386/freebsd.h.
4821 * configure.in: Adjust for above changes.
4822 * po/POTFILES.in: Likewise.
4823 * po/en_GB.po: Likewise.
4824 * po/gcc.pot: Likewise.
4825 * configure: Rebuilt.
4827 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4829 * doloop.c (doloop_modify): Prevent delete_insn() from
4830 deleting too much. Prefer loop->top over loop->start as
4831 target for the new JUMP insn.
4832 (doloop_valid_p): Ignore loop with exit_count != 0.
4834 2000-09-28 Philipp Thomas <pthomas@suse.de>
4836 * invoke.texi (i386 Options): Add athlon to table of possible
4839 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
4841 * diagnostic.h (output_clear_message_text): New function.
4842 (output_message_text): New macro.
4844 * diagnostic.c (clear_text_info): Rename to
4845 output_clear_message_text.
4846 (output_clear): Adjust.
4847 (output_finish): Rename to output_finalize_message. Tweek.
4848 (output_to_stream): Adjust.
4850 2000-09-28 Neil Booth <neilb@earthling.net>
4852 * cpperror.c (_cpp_begin_message): Do the test for suppression
4853 of warnings and pedantic warnings before the "is a warning an
4855 * cppinit.c (cpp_handle_option): Remove surplus \n.
4856 * cpplex.c (ON_REST_ARG): Delete.
4857 (skip_block_comment): Initialise prevc.
4858 (parse_args): Improve error messages.
4859 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
4861 * cpplib.c (cpp_push_buffer): Fix grammar in message.
4862 * cppmain.c (main): Set callbacks for #ident and #pragma
4863 only if no_output option is false.
4864 (do_pragma_implementation): Only call the #pragma handler
4865 if it is set in the cpp_reader structure.
4867 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
4869 * integrate.c (copy_insn_list): if an ignored return value
4870 is being clobbered, skip cloning that into the inline copy.
4872 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
4874 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
4875 use @uref for formatting URLs.
4877 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
4879 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
4882 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
4884 * gcc.c (cpp_options): Add spec for -ftabstop=.
4885 (invoke_as): New spec that handles invoking as.
4886 Update specs to handle -save-temps and -traditional.
4887 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
4889 * cp/lang-specs.h, objc/lang-specs.h: Update to use
4890 invoke_as, and handle -save-temps and -traditional (if
4893 2000-09-26 Jakub Jelinek <jakub@redhat.com>
4895 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
4897 (function_arg_slotno): Accept TImode/CTImode.
4898 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
4901 2000-09-26 Michael Hayes <mhayes@cygnus.com>
4903 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
4906 2000-09-25 Jim Wilson <wilson@cygnus.com>
4908 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
4909 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
4910 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
4911 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
4913 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4915 * cpplex.c (parse_args): Don't set VOID_REST flag.
4916 (CONTEXT_VARARGS): New flag.
4917 (maybe_paste_with_next): Set context earlier in loop. Use
4918 it. Do varargs test with CONTEXT_VARARGS flag.
4919 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4920 pushing an argument context for a varargs argument.
4921 * cpplib.h (VOID_REST): Delete.
4922 * gcc.dg/cpp/vararg1.c: Add test case.
4924 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4926 * flags.h: Declare warning flag warn_system_headers.
4927 * toplev.c: Define it.
4928 (W_options): Add option -Wsystem-headers.
4929 * diagnostic.c (count_error): Test warn_system_headers.
4930 * invoke.texi: Add description for -Wsystem-headers.
4931 * cpplib.h (cpp_options): New member warn_system_headers.
4932 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4933 CPP_IN_SYSTEM_HEADER.
4934 * cpplib.c (do_import, do_pragma_once): Likewise.
4935 * cpperror.c (_cpp_begin_message): Test warn_system_headers
4936 and CPP_IN_SYSTEM_HEADER.
4937 * cppinit.c (handle_option): Recognize -Wsystem_headers.
4938 (print_help): Describe -Wsystem_headers.
4939 * cpplex.c (lex_line): Reorganize condition so that warnings
4940 about C++ comments in system headers can be enabled. Remove
4941 label do_line_comment.
4943 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
4945 * cpplex.c (save_comment): Only store the initial '/'
4947 (lex_token): Combine handling of the two comment types.
4948 Pass everything but the initial '/' to save_comment.
4950 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
4952 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
4953 _cpp_can_paste): New library-internal prototypes.
4954 * cpplex.c (dump_param_spelling, output_line_command,
4955 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
4956 cpp_printf, cpp_output_list): Move to cppoutput.c.
4957 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
4958 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
4960 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
4961 dump_param_spelling, output_line_command, cpp_scan_buffer,
4962 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
4964 * Makefile.in: Add cppoutput.c.
4965 * po/POTFILES.in: Add cppoutput.c.
4967 2000-09-25 Richard Henderson <rth@cygnus.com>
4969 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
4970 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
4971 split until after reload.
4972 (rotlsi3, rotldi3): New.
4974 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
4976 * diagnostic.c (output_last_position): Define.
4977 (set_real_maximum_length): Tweek.
4978 * diagnostic.h (output_last_position): Declare.
4980 2000-09-25 Kazu Hirata <kazu@hxi.com>
4982 * config/i386/i386.c: Fix formatting.
4984 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
4986 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
4987 UNITS_PER_WORD is small.
4989 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
4991 * c-common.c (format_char_info): Add flags2; update comments.
4992 (print_char_table, scan_char_table, time_char_table): Split some
4993 flags out into flags2.
4994 (check_format_info): Use flags2 for those flags, for identifying
4995 the initial character of a scanf scanset, and for identifying
4996 printf formats where the '0' flag is ignored with precision.
4998 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
5000 Changes below marked "here" add TABs on either or both sides,
5001 covering start of line, up to any operand for all noted .*ASM.*_OP
5002 definitions. All callers changed.
5003 * tm.texi: Make documented *_ASM.*_OP:s include spacing
5004 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
5005 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5006 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5007 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
5008 Fix typos in description for LONG_LONG_TYPE_SIZE and
5009 FINI_SECTION_ASM_OP.
5010 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
5011 why these defaults don't have leading spacing.
5012 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
5013 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5014 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
5015 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
5016 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
5017 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
5018 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
5019 * varasm.c (ASM_STABS_OP): Here.
5020 * xcoffout.h (ASM_STABS_OP): Here.
5021 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
5022 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
5023 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
5024 STRING_ASM_OP): Here.
5025 * config/freebsd.h (IDENT_ASM_OP): Here.
5026 * config/linux-aout.h (SET_ASM_OP): Here.
5027 * config/linux.h (SET_ASM_OP): Here.
5028 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5030 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
5031 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
5032 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
5033 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5035 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
5036 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
5037 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
5038 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5039 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
5040 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5041 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
5042 * config/a29k/udi.h (INT_ASM_OP): Here.
5043 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
5044 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
5046 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
5047 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5048 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5049 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
5050 ASM_STABD_OP): Here.
5051 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
5052 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
5053 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5054 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
5055 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
5056 SIZE_ASM_OP, STRING_ASM_OP): Here.
5057 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
5058 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
5059 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
5060 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
5061 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
5062 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
5064 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5065 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
5066 * config/arm/coff.h (INT_ASM_OP): Here.
5067 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
5068 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
5069 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
5070 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
5071 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
5072 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5073 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
5074 STRING_ASM_OP): Here. Update documentation copy in comments.
5075 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
5076 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
5077 DATA_SECTION_ASM_OP): Here.
5078 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
5080 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
5081 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
5082 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5083 BSS_SECTION_ASM_OP): Here.
5084 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5085 BSS_SECTION_ASM_OP): Here.
5086 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5088 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
5089 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
5090 * config/h8300/h8300.h (ASM_WORD_OP): Here.
5091 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5092 BSS_SECTION_ASM_OP): Here.
5093 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
5094 * config/i386/bsd.h (ASM_BYTE_OP): Here.
5095 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
5096 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
5097 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
5099 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
5100 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
5102 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
5103 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5104 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
5105 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
5107 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
5108 * config/i386/netbsd.h (INT_ASM_OP): Here.
5109 * config/i386/openbsd.h (INT_ASM_OP): Here.
5110 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
5111 IDENT_ASM_OP): Here.
5112 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
5113 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
5114 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
5115 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
5116 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
5117 SHARED_BSS_SECTION_ASM_OP): Here.
5118 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
5119 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5120 DATA_SECTION_ASM_OP): Here.
5121 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5122 CONST_SECTION_ASM_OP): Here.
5123 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
5124 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5125 BSS_SECTION_ASM_OP): Here.
5126 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
5127 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
5128 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
5129 BSS_ASM_OP): Here, but use trailing spaces.
5130 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5131 DATA_SECTION_ASM_OP): Here.
5132 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
5134 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
5135 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
5136 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5137 TDESC_SECTION_ASM_OP): Here.
5138 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
5139 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5140 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5142 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5143 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5144 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5145 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5146 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
5147 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
5148 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5149 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
5150 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
5151 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
5152 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5153 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5155 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5156 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5157 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
5158 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
5159 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
5160 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
5161 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
5162 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5163 GLOBAL_ASM_OP): Here.
5164 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
5165 BSS_SECTION_ASM_OP): Here.
5166 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
5167 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5168 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
5169 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
5171 * config/m68k/newsgas.h (SET_ASM_OP): Here.
5172 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
5173 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5174 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5175 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5176 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
5177 but use trailing spaces.
5178 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
5179 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
5180 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
5182 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5183 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5184 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5185 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5186 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5187 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
5188 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
5189 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
5190 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
5191 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
5192 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5193 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
5195 * config/m88k/openbsd.h (SET_ASM_OP): Here.
5196 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5197 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5198 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
5199 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
5200 DTORS_SECTION_ASM_OP): Here.
5201 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
5202 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5203 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
5204 BSS_SECTION_ASM_OP): Here.
5205 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
5206 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
5207 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
5208 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
5209 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
5210 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5211 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
5212 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
5214 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
5216 * config/mips/osfrose.h (SET_ASM_OP): Here.
5217 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
5218 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
5219 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
5220 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5222 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
5223 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
5224 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
5225 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
5226 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
5227 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5229 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5231 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
5232 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
5233 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
5235 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
5236 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
5237 * config/sparc/linux.h (COMMON_ASM_OP): Here.
5238 * config/sparc/linux64.h (COMMON_ASM_OP,
5239 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5240 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
5241 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5242 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
5243 * config/sparc/pbd.h (ASM_INT_OP): Here.
5244 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
5245 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5246 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
5247 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
5248 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
5249 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
5250 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
5251 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
5252 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
5253 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5254 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5255 EH_FRAME_SECTION_ASM_OP): Here.
5256 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
5257 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5259 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5261 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
5262 TCOMMON_ASM_OP): Here.
5263 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5265 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5268 2000-09-25 Richard Henderson <rth@cygnus.com>
5270 * expmed.c (store_bit_field): Adjust last change to not consider
5271 any word-sized field naturally aligned.
5273 2000-09-24 Richard Henderson <rth@cygnus.com>
5275 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
5276 TFmode unordered compares properly. Revalidate integer compare
5278 (alpha_emit_setcc): New.
5279 (alpha_emit_conditional_move): Revalidate integer compare operands.
5280 * config/alpha/alpha-protos.h: Update.
5281 * config/alpha/alpha.md (cmpdi): Allow general operands.
5282 (sne): Use alpha_emit_setcc.
5283 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
5284 (sunordered, sordered): New.
5286 2000-09-24 Richard Henderson <rth@cygnus.com>
5288 * config/ia64/ia64-protos.h: Update.
5289 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
5290 (ia64_expand_call): New.
5291 (ia64_expand_prologue): Emit an alloc if we need extra input
5293 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
5294 instruction if true.
5295 (struct reg_flags): Add is_sibcall.
5296 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
5297 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
5298 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
5299 * config/ia64/ia64.h (PREDICATE_CODES): Update.
5300 * config/ia64/ia64.md (call): Use ia64_expand_call.
5301 (call_value): Likewise.
5302 (sibcall, sibcall_value): New.
5303 (call patterns): Remove extra expanders; tidy.
5304 (sibcall_epilogue): New.
5305 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
5307 2000-09-24 Richard Henderson <rth@cygnus.com>
5309 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
5311 * sibcall.c (skip_pic_restore): New.
5312 (identify_call_return_value): Use it.
5314 2000-09-24 Mark Mitchell <mark@codesourcery.com>
5316 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
5317 functions. Generalize to handle both C and C++.
5318 * Makefile.in (c-tree.info): New target.
5319 (info): Add c-tree.info.
5321 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5323 * expr.c (store_field): If BITSIZE is negative, use size of type.
5324 (expand_expr, case COMPONENT_EXPR): Likewise.
5326 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
5328 * cpplex.c: Update TODO comment.
5329 * cpplib.c (do_error, do_warning): Merge common code of
5330 do_error and do_warning into do_diagnostic. Use it.
5331 (do_diagnostic): New function.
5332 * cpplib.h: Fix comment typo.
5334 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5336 * c-common.c (check_format_info): Warn for a wide character string
5337 used as a non-wide format argument.
5339 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5341 * builtins.def (BUILT_IN_LLABS): Add.
5342 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
5343 * c-common.c (c_common_nodes_builtins): Create builtin functions
5344 __builtin_llabs, and plain llabs unless no_nonansi_builtins
5345 outside of C99 mode.
5346 (expand_tree_builtin): Handle BUILT_IN_LLABS.
5348 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
5350 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
5351 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
5352 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
5353 _cpp_free_toklist): No need to worry about extra dummy token
5354 at the start of token lists any more.
5355 (trigraph_ok): Only warn outside comments.
5356 (skip_block_comment): Set and clear lexing_comment.
5357 (skip_line_comment): Take a cpp_reader not cpp_buffer.
5358 Set and clear lexing_comment.
5359 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
5360 (check_long_token): Delete.
5361 (lex_percent, lex_dot): New subroutines of lex_token to
5362 handle lexing of '.' and '%' without lookback.
5363 (lex_token): Use lex_dot and lex_percent.
5364 (lex_line): Don't check for LIST_OFFSET.
5365 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
5366 * cpplib.c (_cpp_parse_assertion): Similarly.
5367 (cpp_push_buffer): Initialize extra_char.
5368 * cpplib.h (LIST_OFFSET): Delete.
5369 (struct cpp_buffer): New member extra_char.
5370 (struct lexer_state): New members lexing_comment and seen_dot.
5372 2000-09-23 Jason Merrill <jason@redhat.com>
5374 * config/rs6000/x-aix41 (CLIB): Define here.
5375 * config/rs6000/t-aix43: Not here.
5376 * config/rs6000/t-aix41: Or here. Remove.
5377 * configure.in: Don't use it.
5379 2000-09-22 Jason Merrill <jason@redhat.com>
5381 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
5382 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
5383 * config.in: Regenerate.
5385 * configure.in: Fix checks for assembler features when using a
5386 one-tree assembler that has not yet been built.
5387 Fix --disable-threads.
5389 2000-09-19 Geoff Keating <geoffk@cygnus.com>
5391 * stmt.c (expand_asm_operands): Allow # in constraints.
5393 2000-09-22 Jason Merrill <jason@redhat.com>
5395 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
5397 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
5398 function-local names.
5400 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
5401 Mark Mitchell <mark@codesourcery.com>
5403 * toplev.c (warn_disabled_optimization): Declare new warning flag.
5404 * flags.h (warn_disabled_optimization): Add it here.
5405 * gcse.c (gcse_main): Add warning when disabled.
5406 * invoke.texi: Document -Wdisabled-optimization.
5408 2000-09-21 Jason Merrill <jason@redhat.com>
5410 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
5412 * dwarf2out.c (tree_add_const_value_attribute): New fn.
5413 (gen_variable_die): Call it for non-definitions.
5415 * dwarf2out.c (die_struct): Add die_mark field.
5416 (mark_dies, unmark_dies): New fns.
5417 (clear_die_sizes): Remove.
5418 (print_die): Check die_symbol rather than die_offset.
5419 (build_abbrev_table, output_pubnames, output_aranges): Check
5420 die_mark rather than die_offset.
5421 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
5424 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
5426 * cppfiles.c (lookup_include_file): Rename to open_file.
5427 Always create a splay tree value, even on syscall failures.
5428 Negative entries indicated by fd == -2.
5429 Re-open files closed in the meantime.
5430 (_cpp_fake_include): Create a negative splay tree entry.
5431 (find_include_file, cpp_read_file): Update for function name
5433 * gcc.gd/cpp/mi4.c: Testcase.
5435 2000-09-21 Nick Clifton <nickc@redhat.com>
5437 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
5438 ARM and THUMB modes.
5440 * config/mcore/mcore.c: Fix compile time warnings.
5441 * config/mcore/mcore-protos.h: Fix compile time warnings.
5443 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5445 * configure.in: Correct test of gcc_cv_glibc.
5446 * configure: Rebuilt.
5447 * config.in: Rebuilt.
5449 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5451 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
5452 (expand_builtin): Handle BUILT_IN_FWRITE.
5454 * builtins.def (BUILT_IN_FWRITE): New entry.
5456 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
5458 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5460 * gcc.c (modify_target): New variable and struct.
5461 (process_command): Handle MODIFY_TARGET_NAME.
5462 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
5463 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
5465 * c-decl.c (finish_decl): Add else's to avoid referencing
5466 TYPE_DOMAIN of an ERROR_MARK.
5468 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
5470 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
5473 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
5475 * config/avr/avr.md (neghi2): Add alternative for input and output
5476 operands in different registers, as in negsi2.
5477 (*negsi2): Remove '*' from the name. Use "movw" if available.
5479 2000-09-19 Jim Wilson <wilson@cygnus.com>
5481 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
5482 HAVE_GAS_HIDDEN macro.
5484 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
5486 * cpplex.c (lex_line): Drop the EOF token for unknown
5487 directives in assembler.
5489 2000-09-19 David Edelsohn <edelsohn@gnu.org>
5491 * configure.in: Allow enable_threads_flag value of "aix". Define
5492 thread_file as "aix" for AIX 4.3 and above.
5493 * configure: Regenerated.
5495 * gthr-aix.h: New file.
5497 * rs6000/t-aix43: Replace soft-float multilib with pthread.
5498 Remove 403 processor multilib match. Fix rios2 processor multilib
5501 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
5502 to return to appropriate csect.
5504 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5506 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
5508 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
5509 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
5512 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
5515 * c-common.c (init_function_format_info): Handle __builtin_printf.
5516 Set `check_function_format_ptr'.
5517 (c_common_nodes_and_builtins): Set `puts_ftype' and
5518 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
5519 __builtin_printf and printf.
5521 * tree.c, tree.h (check_function_format_ptr): Declare.
5523 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
5525 * cppfiles.c (read_include_file): Take no special action for
5528 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
5530 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
5531 rather than that of branch.
5532 (shorten_branches): Don't increment insn_current_address twice.
5534 Undo most of the Wed Jan 27 23:39:53 1999 patch:
5535 * loop.h (struct induction): Delete members derived, ix and last_use.
5536 (struct loop_ivs): Delete members first_increment_giv and
5538 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
5539 recombine_givs): Delete functions.
5540 (find_and_verify_loops): Don't initialize cont_dominator.
5541 (strength_reduce): Lose code to try to find bivs that can be
5542 expressed as givs of another biv, and to convert biv increments
5544 Lose loop_scan_start variable, always use loop->scan_start.
5545 Don't call recombine_givs. Don't handle derived givs.
5546 (record_giv): Don't initialize derived and last_use fields.
5547 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
5549 * unroll.c (derived_regs): Delete static variable.
5550 (unroll_loop): Don't initialize it.
5551 (copy_loop_body): Lose code to handle derived givs.
5552 (find_splittable_givs): Don't check for givs made from biv
5554 Don't set derived_regs.
5556 Fix misapplied earlier patch:
5557 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
5559 (floatsisf2): Generate floatsisf_ie by default.
5560 (floatsisf_i4): Conditional on TARGET_SH4.
5562 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
5563 predicate for the expanders.
5565 2000-09-19 Richard Henderson <rth@cygnus.com>
5567 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
5568 in addition to pentium and pentiumpro symbols.
5569 (CPP_CPU_DEFAULT_SPEC): Likewise.
5571 * c-typeck.c (c_expand_asm_operands): Restore the output tree
5574 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
5575 if the tree has side effects.
5576 (warn_if_unused_value): Do not warn about void constructs.
5578 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
5580 * unroll.c (copy_loop_body): Update LABEL_NUSES before
5581 calling invert_jump.
5583 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5585 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
5588 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5590 * Makefile.in (c-common.o): Depend on diagnostic.h.
5592 * c-common.c: Include diagnostic.h.
5594 (status_warning): New function.
5595 (check_format_info, maybe_read_dollar_number, check_format_types,
5596 finish_dollar_format_checking, check_function_format): Accept a
5597 `status' parameter. All callers changed.
5599 * c-common.h (check_function_format): Accept a `status' parameter.
5601 * c-typeck.c: Update call to `check_function_format'.
5603 2000-09-18 Richard Henderson <rth@cygnus.com>
5605 * c-decl.c (c_expand_body): Call mark_varargs before
5606 expand_function_start.
5608 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5610 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
5611 * config/rs6000/eabi-ci.asm: Likewise.
5613 2000-09-18 Richard Henderson <rth@cygnus.com>
5615 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
5618 2000-09-18 Jim Wilson <wilson@cygnus.com>
5620 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
5621 before passing it to fold_rtx_mult_add.
5623 * unroll.c (final_giv_value): Pass increment through
5624 extend_value_for_giv before passing it to emit_iv_add_mult.
5626 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
5627 paradoxical subreg, then directly substitute the replacement and
5630 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
5632 * cpp.texi: Update documentation, including some clarifications,
5633 the treatment of various newline combinations, and space between
5634 backslash and newline.
5636 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5638 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
5639 Replace ASM_OUTPUT_LABELREF with assemble_name.
5641 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5643 * sh.c (addsubcosts): CONST is not cheap.
5644 (find_barrier): For Sh1, take alignment after jumps into account.
5646 2000-09-15 Andrew Haley <aph@redhat.com>
5648 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
5649 remove all SETs of SUBREGs of hard registers.
5650 * function.c (purge_hard_subreg_sets): New function.
5651 (purge_single_hard_subreg_set): New function.
5652 * rtl.h: (purge_hard_subreg_sets): New function.
5654 2000-09-18 Richard Henderson <rth@cygnus.com>
5656 * config/ia64/ia64-protos.h: Update.
5657 * config/ia64/ia64.c (signed_inequality_operator): New.
5658 (ia64_expand_compare): New.
5659 (ia64_register_move_cost): Handle PR_REGS moves.
5660 (ia64_secondary_reload_class): Require a GR when moving to a PR.
5661 (struct reg_write_state): Add written_by_and/or.
5662 (struct reg_flags): Add is_and/or.
5663 (rws_update): Set them.
5664 (rws_access_regno): Test them to allow parallel comparisons.
5665 (rtx_needs_barrier): Recognize parallel comparisons.
5666 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
5667 Call recog_memoized; ignore pred_rel_mutex.
5668 (emit_predicate_relation_info): Don't call find_basic_blocks here.
5669 (ia64_reorg): Do it here instead.
5670 * config/ia64/ia64.h: s/CCmode/BImode/g
5671 (MODES_TIEABLE_P): Don't tie BImode.
5672 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
5673 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
5674 (RTX_COSTS): Make multiply 4 insns.
5675 (MEMORY_MOVE_COST): New.
5676 (PREDICATE_CODES): Update.
5677 * config/ia64/ia64.md: s/CCmode/BImode/g
5678 (movcci, movbi): New.
5679 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
5680 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
5681 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
5682 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
5683 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
5684 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
5685 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
5686 (mulsi, muldi): Use xmpy not xma.
5688 (movcc, movcc_internal): Remove.
5689 (branch expanders): Use ia64_expand_compare.
5690 (setcc expanders): Likewise.
5691 (cmov insns): Use move_operand and ia64_move_ok.
5692 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
5693 scheduler from moving it past a use.
5694 * config/ia64/build.hacks: Remove.
5696 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
5698 * cpphash.h (HASHSTEP): Take character rather than pointer
5700 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
5702 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
5704 * cpplex.c (auto_expand_name_space, trigraph_replace,
5705 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
5706 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
5707 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
5708 KNOWN_DIRECTIVE): Delete.
5710 (handle_newline, check_long_token, skip_escaped_newlines,
5711 unterminated): New functions.
5712 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
5714 (parse_identifier): Was parse_name, new implementation.
5715 (skip_line_comment, skip_block_comment, skip_whitespace,
5716 parse_number, parse_string, trigraph_ok, save_comment,
5717 adjust_column, _cpp_get_line): New implementations.
5719 (lex_token): New function. Lexes a token at a time, looking
5720 forwards. Contains most of the guts of the old lex_line.
5721 (lex_line): New implementation, using lex_token to obtain
5723 (cpp_scan_buffer): Use the token's line, not the list's line.
5725 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
5726 New implementations.
5727 (do_assert): Don't bother setting the answer's list's line.
5728 (cpp_push_buffer): Initialise new pfile and read_ahead members
5729 of struct cpp_buffer.
5731 * cpplib.h (cppchar_t): New typedef.
5732 (struct cpp_buffer): read_ahead, pfile and col_adjust are
5734 (struct lexer_state): New structure that determines the state
5735 and behaviour of the lexer.
5736 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
5737 (struct cpp_reader): New member "state". Rename
5738 multiline_string_line and multiline_string_column. Delete
5739 col_adjust, in_lex_line members.
5740 (CPP_BUF_COLUMN): Update.
5742 2000-09-18 Richard Henderson <rth@cygnus.com>
5744 * combine.c (simplify_comparison): Shift a NOT out of a single
5747 * combine.c (if_then_else_cond): Canonicalize BImode true to
5749 * explow.c (trunc_int_for_mode): Likewise.
5751 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
5752 the NOT for De Morgan's rule.
5753 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
5754 of a comparison to the reverse comparison.
5756 * combine.c (try_combine): Allow split to create a single insn.
5758 * machmode.def: Add BImode. Add a column for bitsize.
5759 * machmode.h (DEF_MACHMODE): Adjust for extra column.
5760 (GET_MODE_BITSIZE): Use it.
5761 * rtl.c (DEF_MACHMODE): Adjust for extra column.
5762 (mode_bitsize): New.
5763 (mode_mask_array): Use bitsize.
5764 * combine.c (combine_simplify_rtx): Require inner and outer
5765 modes to match on nonzero_bits optimizations.
5767 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5769 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
5770 its entry in spill_reg_store.
5771 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
5772 * sh.c (reg_no_subreg_operand): New function.
5773 * sh-protos.h (reg_no_subreg_operand): Declare it.
5774 * sh.h (PREDICATE_CODES): Add it.
5775 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
5776 input operand that needs to be in fpul.
5777 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
5778 * sh.c (find_barrier): Take into account that machine_dependent_reorg
5779 might add new insns.
5781 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
5783 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
5785 (sh_expand_epilogue): Take the PIC register into account when
5786 computing the frame size.
5788 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
5789 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
5790 LABEL_REFs with a PIC-safe unspec.
5792 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5794 * c-common.c (check_format_info): Properly save the argument
5795 number and parameter for $ operand number formats in case width
5796 and precision arguments are also used. Allow printf width and
5797 precision arguments to have operand numbers even if none was
5798 specified for the main format, since this is OK for %*.*m. Only
5799 object to missing $ operand number if the format used requires an
5802 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5804 * c-common.c (format_char_info): Add 'W' flag to comment.
5805 (print_char_table, scan_char_table): Use it.
5806 (check_format_info): Use the 'W' flag to determine whether a
5807 format argument is written into.
5809 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5811 * c-common.c (check_format_types): Reorganise and clean up,
5812 checking earlier for ERROR_MARKs and making cur_type into its
5813 TYPE_MAIN_VARIANT where convenient.
5815 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5817 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
5819 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5821 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
5823 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
5824 * i386.c (struct builtin_description): New.
5825 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
5826 (mmx_reg_operand): Declare MODE arg as unused.
5827 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
5828 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
5829 ix86_expand_binop_builtin, ix86_expand_store_builtin,
5830 ix86_init_builtins, ix86_expand_builtin): New functions.
5831 * i386.h (ix86_builtins): New enumeration.
5832 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
5833 * i386.md (attr length_immediate): 0 for mmx/sse types.
5834 (attr prefix_0f): 1 for mmx/sse types.
5835 (setcc_2): Remove "*" so we get gen_setcc_2.
5836 (emms): Account for changed register numbering. Set "memory" attr
5838 (sfence): Set "memory" attr to unknown.
5840 2000-09-18 Andreas Jaeger <aj@suse.de>
5842 * configure.in: Define _GNU_SOURCE only when using the GNU C
5844 * configure: Regenerated.
5845 * config.in: Regenerated.
5847 2000-09-17 Mark Mitchell <mark@codesourcery.com>
5849 * cppinit.c (cpp_init): Don't use ANSI prototypes.
5850 * flow.c (flow_dump_loop): Likewise.
5851 (flow_loops_dump): Likewise.
5853 * c-typeck.c (c_start_case): Fix typo.
5855 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5857 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
5858 to int for plain complex which defaults to complex double. Do
5859 warn about defaulting to complex double if pedantic. Warn about
5860 complex integer types if pedantic. Warn about complex types if
5861 pedantic and not in C99 mode.
5862 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
5863 for complex conjugation.
5865 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5867 * contrib.texi: Update my entry.
5869 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
5871 * config/avr/avr.md (mcu_enhanced): New attribute.
5872 (mcu_mega): Likewise.
5873 (extendhisi2): Use mcu_enhanced.
5874 (zero_extendhisi2): Likewise.
5875 (call_insn): Use mcu_enhanced and mcu_mega.
5876 (call_value_insn): Likewise.
5877 (*sbrx_branch): Use mcu_mega.
5878 (*sbrx_and_branchsi): Likewise.
5879 (*sbrx_and_branchhi): Likewise.
5880 (*tablejump_lib): Likewise.
5882 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5884 * alias.c (true_dependence): Allow non-unchanging read to conflict
5885 with unchanging write.
5887 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
5888 (store_constructor): Pass alias_set to it.
5890 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
5891 TYPE_MAIN_VARIANT of ERROR_MARK.
5892 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
5894 * simplify-rtx.c (simplify_unary_operation): Add cases
5895 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
5897 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
5899 * expr.h (emit_library_call, emit_library_call_value): Delete
5901 * rtl.h (enum libcall_type): New.
5902 (emit_library_call, emit_library_call_value): Change fn_type arg to
5903 be of type enum libcall_type.
5904 * calls.c: Likewise for the function definitions. Several callers
5905 throughout changed to use the new enumeration appropriately.
5906 (emit_library_call_value_1): Likewise. Put back code to make libcall
5907 blocks of equal form, but only use it for the two new higher
5910 2000-09-16 Mark Mitchell <mark@codesourcery.com>
5912 Convert the C front-end to use function-at-a-time mode.
5913 * c-common.h: Include splay-tree.h.
5914 (C_DECLARED_LABEL_FLAG): New macro.
5915 (struct language_function): Add x_scope_stmt_stack and
5916 x_function_name_declared_p.
5917 (RECHAIN_STMTS): Move definition.
5918 (lang_statment_code_p): Likewise.
5919 (lang_expand_stmt): Likewise.
5920 (lang_expand_decl_stmt): New variable.
5921 (lang_expand_function_end): Likewise.
5922 (current_scope_stmt_stack): New function.
5923 (add_decl_stmt): Likewise.
5924 (add_scope_stmt): Likewise.
5925 (mark_stmt_tree): Likewise.
5926 (struct c_lang_decl): New structure.
5927 (DECL_SAVED_TREE): Define.
5928 (c_mark_lang_decl): New function.
5929 (c_expand_start_cond): Change prototype.
5930 (c_finish_then): New function.
5931 (c_finish_else): Likewise.
5932 (current_function_name_declared): Remove.
5933 (set_current_function_name_declared): Likewise.
5934 (mark_c_language_function): Declare.
5935 (case_compare): Likewise.
5936 (c_add_case_label): Likewise.
5937 (c_expand_expr): Likewise.
5938 (c_safe_from_p): Likewise.
5939 * c-common.c (lang_expand_function_end): New variable.
5940 (struct if_elt): Add if_stmt.
5941 (c_expand_start_cond): Add the if-statement to the statement-tree,
5942 rather than generating RTL.
5943 (c_finish_then): New function.
5944 (c_expand_start_else): Don't generate RTL.
5945 (c_finish_else): New function.
5946 (c_expand_expr_stmt): Don't generate RTL.
5947 (statement_code_p): Add SCOPE_STMT.
5948 (case_compare): New function.
5949 (c_add_case_label): Likewise.
5950 (mark_stmt_tree): Likewise.
5951 (c_mark_lang_decl): Likewise.
5952 (mark_c_language_function): Likewise.
5953 (c_expand_expr): Likewise.
5954 (c_safe_from_p): Likewise.
5955 * c-decl.c (c_stmt_tree): New variable
5956 (c_scope_stmt_stack): Likewise.
5957 (c_function_name_declared_p): Likewise.
5958 (lang_expand_expr_stmt): Remove.
5959 (poplevel): Don't call output_inline_function for nested
5961 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
5963 (redeclaration_error_message): Change means of computing whether
5964 or not a function is nested.
5965 (lookup_label): Don't call label_rtx.
5966 (init_decl_processing): Add more GC roots.
5967 (start_decl): Add DECL_STMTs to the statement-tree, rather than
5968 calling rest_of_decl_compilation.
5969 (finish_decl): Don't call expand_decl.
5970 (store_parm_decls): Begin the statement-tree, but don't generate
5972 (finish_function): Tie off the statement-tree. Call c_expand_body
5974 (c_expand_body): New function.
5975 (push_c_function_context): Save more information.
5976 (pop_c_function_contxt): Likewise.
5977 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
5978 (lang_mark_tree): Mark it.
5979 (current_stmt_tree): Adjust.
5980 (current_scope_stmt_stack): New function.
5982 (set_current_name_declared): Likewise.
5983 (c_begin_compound_stmt): Define.
5984 (c_expand_decl_stmt): Likewise.
5985 * c-lang.c: Include rtl.h and expr.h.
5986 (lang_init): Set more language-specific hooks.
5987 * c-lex.c: Include expr.h.
5988 * c-parse.in: Changes throughout to add statements to the
5989 statement-tree, rather than generating RTL after every statement.
5990 * c-semantics.c (lang_expand_decl_stmt): Define.
5991 (add_decl_stmt): New function.
5992 (add_scope_stmt): Likewise.
5993 (finish_stmt_tree): Tweak.
5994 (genrtl_expr_stmt): Likewise.
5995 (genrtl_decl_stmt): Handle local labels, and call
5996 lang_expand_decl_stmt if required.
5997 (genrtl_for_stmt): Fix line-number handling.
5998 (genrtl_case_label): Handle cleanups.
5999 (genrtl_asm_stmt): Don't call combine_strings.
6000 (genrtl_compound_stmt): Simplify.
6001 (expand_stmt): Handle SCOPE_STMTs.
6002 * c-tree.h (struct lang_decl): New structure.
6003 (C_DECLARED_LABEL_FLAG): Remove.
6004 (c_begin_compound_stmt): Declare.
6005 (c_expand_decl_stmt): Likewise.
6006 (c_expand_start_case): Rename to c_start_case.
6007 (c_finish_case): New function.
6008 * c-typeck.c (start_init): Tweak setting of
6009 constructor_incremental.
6010 (c_expand_asm_operands): Tweak error-handling. Add to the
6012 (c_expand_return): Add to the statement-tree.
6013 (c_expand_start_case): Rename to ...
6014 (c_start_case): ... this.
6015 (struct c_switch): New type.
6016 (switch_stack): New variable.
6017 (do_case): Simplify.
6018 (c_finish_case): New function.
6019 * dependence.c: Include expr.h.
6020 (enum dependence_type): Change spelling of enumerals.
6021 (check_node_dependence): Adjust.
6022 * expr.h (lang_safe_from_p): Declare.
6023 (safe_from_p): Likewise.
6024 * expr.c (lang_safe_from_p): New variable.
6025 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
6026 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
6027 * toplev.c (rest_of_decl_compilation): Robustify.
6028 * tree.c (contains_placeholder_p): Likewise.
6029 * Makefile.in: Update dependencies.
6030 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
6031 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
6032 (objc_expand_function_end): New function.
6033 (finish_method_def): Use it.
6034 (init_objc): Initialize more language-specific hooks.
6035 * objc/Make-lang.in: Update dependencies.
6037 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
6039 * configure.in: Define macros that affect features before
6040 testing for features. Don't define _XOPEN_SOURCE.
6041 * configure: Regenerated.
6042 * config.in: Regenerated.
6044 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
6046 * rtlanal.c (rtx_varies_p): Volatile asms vary.
6047 (rtx_unstable_p): Restructure code. Volatile asms
6050 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6052 * function.h (no_debugging_symbols): New field.
6053 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
6054 Initialize no_debugging_symbols.
6055 (output_inline_function): Save and restore write_symbols and set from
6056 no_debugging_symbols.
6057 * toplev.c (rest_of_compilation): Call save_for_inline.
6058 * tree.h: Update comment.
6060 * stor-layout.c (place_field): Don't do anything if field or
6061 its type are ERROR_MARK.
6063 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
6065 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
6066 (read_include_file): Ensure inc->mmaped is initialized.
6068 2000-09-16 Richard Henderson <rth@cygnus.com>
6070 * cppiles.c (purge_cache): Use PTR not caddr_t.
6072 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
6074 * gcc.c: In description for %{<S}, say the option removed is -S.
6075 * invoke.texi (Spec Files): Ditto.
6077 2000-09-16 Andreas Jaeger <aj@suse.de>
6079 * configure.in: Always define _GNU_SOURCE to make interfaces
6080 visible that were hidden by only defining _GNU_SOURCE.
6081 * configure: Regenerated.
6083 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
6085 * cpplex.c (push_macro_context): Set an argument's level after
6086 calling parse_args. We could loop infinitely otherwise.
6088 2000-09-15 Tom Tromey <tromey@cygnus.com>
6090 * configure, config.in: Rebuilt.
6091 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
6093 2000-09-15 Greg McGary <greg@mcgary.org>
6095 * cppmacro.c (check_trad_stringification): Check token
6096 text pointers against limit before dereferencing.
6098 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
6100 * c-common.c (format_wanted_type): New structure.
6101 (check_format_types): New function.
6102 (check_format_info): Pass all checking of types of format
6103 arguments, including width and precision arguments, to this new
6106 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6108 * BUGS: Remove file.
6110 2000-09-15 Jakub Jelinek <jakub@redhat.com>
6112 * config/alpha/alpha.c (override_options): ev6 cache latencies
6113 from Richard Henderson. Don't allow -mmemory-latency=L0.
6115 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
6116 (TARGET_OPTIONS): Add tune=.
6117 (alpha_tune_string): Declare.
6118 * config/alpha/alpha.c (override_options): Add cpu_table.
6119 Use alpha_cpu_string first to set both alpha_cpu and target_flags
6120 and then alpha_tune_string to set alpha_cpu only.
6121 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
6122 * config/alpha/elf.h (ASM_FILE_START): Likewise.
6123 * config/alpha/osf.h (ASM_FILE_START): Likewise.
6124 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
6126 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
6128 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
6130 (ix86_comparison_operator, ix86_cc_mode): Declare
6131 * i386.h (CCGC, CCGCO): New modes.
6132 (SELECT_CC_MODE): Move offline to ....
6133 * i386.c (ix86_cc_mode): .... here; use new modes.
6134 (ix86_comparison_operator): New.
6135 (fcmov_comparison_operator): Ensure proper mode.
6136 (put_condition_mode): More sanity checking.
6137 (ix86_match_ccmode): Handle new modes.
6138 (ix86_expand_fp_compare): GEU requires CCmode.
6139 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
6141 * i386.md (cmp?i_ccz_1): Remove
6142 (cmp?i_ccno_1): Use ix86_match_ccmode.
6143 (cmp?i_minus_1): New.
6144 (cmpsi_1): New expander.
6145 (cmpqi_ext_1): Use match_ccmode
6146 (cmpqi_ext_3): New expander.
6147 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
6148 (cmpqi_ext_4): Use match_ccmode.
6149 (add?i_?): Use match_ccmode.
6151 (test?i_ccz_1): Remove
6153 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
6154 (testqi_ext_0): Use ix86_match_ccmode.
6155 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
6156 (xorqi_cc_ext_1): New expander.
6157 (shift patterns): Use CCGOCmode for all shifts except for sar.
6158 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
6159 (setcc_3, jcc_3, miv?icc_c): Remove.
6161 2000-09-15 Will Cohen <wcohen@redhat.com>
6163 * dwarf2out.c (add_const_value_attribute): Changed array into a
6164 xmalloced object, so it exists after function exit.
6165 (free_AT): Added case for dw_val_class_float to free allocated
6168 2000-09-15 Kazu Hirata <kazu@hxi.com>
6170 * config/i386/i386.md: Fix a comment typo.
6171 * gcc.c: Fix formatting.
6173 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6175 * optabs.c (emit_libcall_block): If target is a user variable,
6176 copy to a temporary first.
6177 * expr.c (convert_move): When generating a libcall, make a libcall
6179 * calls.c (emit_library_call_value_1): Don't create a libcall
6180 sequence here; our caller will in most cases do it.
6182 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
6184 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
6185 * sh.md (reload_outsf): Generate recognizable patterns for
6187 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
6188 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
6189 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
6190 truncdfsf2_i4): Change not to use explicit references to fpul.
6191 (floatsisf2_ie): Remove USE of fpscr.
6192 (floatsisf2): Change default expansion to match this.
6193 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
6196 2000-09-15 Richard Henderson <rth@cygnus.com>
6198 * expmed.c (store_bit_field): Consider naturally aligned
6199 memory for direct reference.
6201 2000-09-15 Richard Henderson <rth@cygnus.com>
6203 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
6204 AND addresses into alias set 0.
6205 (alpha_expand_unaligned_store): Likewise.
6206 (alpha_expand_unaligned_load_words): Likewise.
6207 (alpha_expand_unaligned_store_words): Likewise.
6209 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6211 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
6212 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
6214 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
6215 rsize of UNITS_PER_WORD.
6217 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
6219 * cpplex.c (ON_REST_ARG): Correct the test.
6220 (maybe_paste_with_next): Duplicate a token that fail pasting,
6221 and clear its PASTE_LEFT flag, so that nested pasting attempts
6224 2000-09-14 Richard Henderson <rth@cygnus.com>
6226 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
6227 * cse.c (rtx_cost): Likewise.
6228 * optabls.c (expand_binop): Likewise.
6229 (expand_twoval_binop, prepare_cmp_insn): Likewise.
6230 * regclass.c (copy_cost): Likewise.
6231 * reload1.c (reload_cse_move2add): Likewise.
6233 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
6235 * c-parse.in (reswords): Add _Complex.
6237 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6239 * gcc.1: Delete documentation for -undef preprocessor option.
6241 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
6243 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6244 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
6245 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6246 Remove undefine before config/elfos.h.
6247 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
6249 2000-09-14 Kazu Hirata <kazu@hxi.com>
6251 * invoke.texi (H8/300 Options): Add -ms2600.
6252 * config/h8300.c (h8300_init_once): Output an error when -ms2600
6253 is used without -ms.
6254 * config/h8300.h (TARGET_MAC): New.
6255 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
6256 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
6257 machine other than H8/S2600.
6258 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
6261 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
6263 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
6264 pseudos that refer to the original pseudos, not only to their
6265 equivalent memory locations.
6267 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6269 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
6270 when making new MEM.
6272 * Makefile.in (LN): Remove duplicate definition.
6274 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6276 From Joern Rennecke:
6277 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
6278 on an insn and function_invariant_p returns nonzero for the source,
6279 add a REG_EQUAL note.
6281 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
6283 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
6284 conflict with frame_pointer_rtx.
6286 2000-09-13 Kazu Hirata <kazu@hxi.com>
6288 * loop.c: Fix formatting.
6291 2000-09-13 Richard Henderson <rth@cygnus.com>
6293 * config/ia64/ia64.md (divsf3): New.
6294 (divsf3_internal_lat, divsf3_internal_thr): New.
6295 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
6296 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
6297 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
6298 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
6299 (nmadddf4_alts, nmadddf4_trunc): New.
6300 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
6301 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
6302 (multf3_truncsf_alts, multf3_truncdf_alts): New.
6303 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
6304 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
6305 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
6306 (nmaddtf4_truncdf_alts): New.
6307 (recip_approx): Don't predicate.
6309 2000-09-13 Richard Henderson <rth@cygnus.com>
6311 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
6313 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6315 * flags.h (flag_dump_rtl_in_asm): Declare.
6316 * toplev.c (flag_dump_rtl_in_asm): Define.
6317 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
6318 if -dP is specified.
6319 * rtl.h (print_rtx_head): Declare.
6320 * print-rtl.c (print_rtx_head): Define.
6321 (print_rtx): Print the string pointed to by print_rtx_head
6322 at beginning of each dump line.
6323 (print_rtl): Likewise.
6324 (print_rtl_single): Likewise.
6325 * final.c (final_scan_insn): Dump the insn in the assembly
6327 * gcc.1: Document -dP option.
6328 * invoke.texi (Debugging Options): Likewise.
6330 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6332 * md.texi (Machine Constraints): Document the 68HC11 constraints.
6333 * install.texi (Configurations): Document the 68HC11&68HC12 port.
6334 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
6336 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
6338 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
6339 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
6340 (*clrstrqi): Likewise.
6341 (xorhi3,xorsi3,absqi2): Likewise.
6342 (one_cmplhi2,one_cmplsi2): Likewise.
6343 (addsi3): Two stupid constraint alternatives removed.
6344 (extendhisi2): Use `movw' for enhanced avr cores.
6345 (zero_extendhisi2): Likewise.
6347 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
6349 * alias.c (find_base_term): Use frame_pointer_rtx
6350 when handling an ADDRESSOF.
6352 * cse.c (canon_hash): Handle USE of BLKmode memory.
6353 (cse_insn): Outgoing arguments for a libcall don't
6354 affect any recorded expressions.
6356 2000-09-12 Tom Tromey <tromey@cygnus.com>
6358 * configure, config.in: Rebuilt.
6359 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
6361 2000-09-12 Jakub Jelinek <jakub@redhat.com>
6363 * c-lex.c (lex_string): Use charwidth to compute bytemask.
6364 * expr.c (expand_expr): Don't optimize constant array references
6365 initialized with wide string constants.
6367 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6369 * loop.c (note_set_pseudo_multiple_uses): Correct.
6371 2000-09-12 Jim Wilson <wilson@cygnus.com>
6373 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
6374 else block, and X has side-effects, then fail.
6376 2000-09-12 Greg McGary <greg@mcgary.org>
6378 * config/mips/mips-protos.h
6379 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
6380 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
6381 (PREDICATE_CODES): Add "trap_cmp_op".
6382 * config/mips/mips.c
6383 (trap_cmp_op, mips_gen_conditional_trap): New functions.
6384 * config/mips/mips.md (trap, conditional_trap): New patterns.
6386 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6388 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
6391 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6393 * builtins.c (built_in_decls): New array.
6394 (expand_builtin_fputs): New function.
6395 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
6397 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
6399 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
6401 * tree.h (built_in_decls): New array.
6403 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
6405 * convex.md: Use "+" instead of "=" for outputs wrapped in a
6407 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
6409 2000-09-12 Kazu Hirata <kazu@hxi.com>
6411 * haifa-sched.c: Fix formatting.
6413 * genattrtab.c: Fix formatting.
6415 * unroll.c: Fix formatting.
6417 2000-09-12 Bruce Korb <bkorb@gnu.org>
6419 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
6420 remove obsolete code
6421 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
6422 * fixinc/fixincl.tpl: make non-exported arrays static scope
6423 * fixinc/fixincl.x: regenerate
6424 * fixinc/fixlib.h: Use PARAMS, not _P_
6425 * fixinc/fixtests.c: make a type for the test proc & use it
6426 * fixinc/server.h: Use PARAMS, not _P_
6428 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6430 * c-typeck.c (process_init_element): Avoid union init warnings on
6431 floating point zero. Don't crash on unions containing structs.
6433 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
6435 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
6436 general_movsrc_operand, and remove CONST_INT from
6437 general_movdst_operand.
6439 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6441 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
6442 if a reference to non-fixed hardreg is seen. Otherwise, count hard
6443 regs with a higher cost.
6444 (preferrable): Deal with cases where either cost or regcost is
6446 (cse_insn): Use MAX_COST rather than 10000. Always initialize
6448 (COSTS_N_INSNS): Move definition...
6450 (MAX_COST): New macro.
6451 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
6454 2000-09-11 Mark Mitchell <mark@codesourcery.com>
6456 * c-common.h (genrtl_clear_out_block): Remove.
6457 * c-semantics.c (genrtl_clear_out_block): Remove.
6458 (genrtl_while_stmt): Don't call it.
6459 (genrtl_for_stmt): Likewise.
6461 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6463 * cppfiles.c: Move all default-#defines to top of file.
6464 (open_include_file): Replace by lookup_include_file.
6465 (read_with_read, read_file): Merged into read_include_file.
6466 (stack_include_file, purge_cache): New functions.
6467 (close_cached_fd): Delete.
6468 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
6469 Cache the in-memory buffer, not the file descriptor.
6471 * cpphash.h (struct include_file): Add buffer, st, refcnt,
6473 (xcnew): New utility macro.
6474 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
6475 * cpplib.h (struct cpp_buffer): Remove mapped field.
6477 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6479 * cpplex.c (parse_string): Accept backslash space newline as a
6481 (lex_line): Likewise.
6482 (_cpp_get_token): Remove hard limit on macro nesting.
6484 2000-09-12 Philipp Thomas <pthomas@suse.de>
6486 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
6487 * configure: Rebuilt.
6489 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6491 * flow.c (split_block): Fix update of registers live at
6494 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6496 * i386.md (add?i_3, add?i_5): New.
6497 (add?i_4): Rename from add?i_3; Fix compare pattern.
6498 (sub?i_3, xor?i_3, ior?i_3): New.
6500 * genrecog.c (write_tree): Output code to clear insn_extract cache.
6501 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
6502 instead of extract_insn and extract_constrain_insn_cache instead of
6503 extract_insn and constrain_operands.
6504 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
6506 (extract_insn): Clear which_alternative.
6507 (constrain_operands): Set which_alternative to -1 when failed.
6508 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
6511 2000-09-11 Matthew Hiller <hiller@redhat.com>
6513 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
6514 on operand 0 to '+'.
6515 (movstricthi): Likewise.
6517 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6519 * loop.h (LOOP_IVS): New macro.
6520 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
6521 (struct loop_ivs): New.
6522 (struct loop_info): Add ivs field.
6523 (reg_iv_type, reg_iv_info): Delete prototype.
6524 (reg_biv_class, loop_iv_list): Likewise.
6525 * loop.c (record_biv, find_life_end): Pass loop argument.
6526 (reg_iv_type): Remove global array and use
6527 field in loop_regs structure within loop_ivs structure.
6528 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
6529 (first_increment_giv, last_increment_giv): Use entry in
6531 (record_initial): Pass ivs pointer.
6532 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
6534 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6536 * loop.h (LOOP_REGS): New macro.
6537 (struct loop_regs): New.
6538 (struct loop_info): Add regs field.
6539 * loop.c (set_in_loop): Remove global array and store
6540 in loop_regs structure as part of loop_info structure.
6541 (n_times_set, may_not_optimize): Likewise.
6542 (reg_single_usage, moved_once): Likewise.
6543 (count_one_set): Add regs argument.
6544 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
6545 (set_pseudo_multiple_uses): Pass regs pointer.
6547 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6549 * unroll.c (iteration_info): Subsume into loop_iterations.
6550 * loop.h (loop_info): New field iv.
6552 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6554 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
6555 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
6556 (flow_loops_update): New prototype.
6557 (flow_loops_find): Add flags to prototype.
6558 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
6559 * flow.c (flow_loop_pre_header_scan): New.
6560 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
6561 (flow_loop_free): Free pre-header root and trace and exit dominators.
6562 (flow_loops_find): New argument flags.
6563 (flow_loops_update): New function.
6564 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
6566 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6568 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
6569 * flow.c (split_block, update_bb_for_insn): New functions.
6571 2000-09-11 Richard Henderson <rth@cygnus.com>
6573 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
6575 2000-09-11 Richard Henderson <rth@cygnus.com>
6577 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
6578 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
6579 (ia64_override_options): Prevent optimizing division for both
6580 latency and throughput.
6581 (rtx_needs_barrier): Handle frcpa.
6582 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
6583 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
6584 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
6585 (TARGET_SWITCHES): Add -minline-divide-min-latency and
6586 -minline-divide-max-throughput.
6587 (PREDICATE_CODES): Update.
6588 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
6589 (zero_extendsidi2): Likewise. Fix typo in f case insn.
6590 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
6591 (extendsftf2): Likewise.
6592 (extenddftf2): Likewise.
6593 (fix_trunctfdi2_alts): New.
6594 (fixuns_trunctfdi2_alts): New.
6595 (madd*4): Rename from madd*3.
6596 (divsi3, modsi3, udivsi3, umodsi3): New.
6597 (divsi3_internal): New.
6598 (divdi3, moddi3, udivdi3, umoddi3): New.
6599 (divdi3_internal_lat, divdi3_internal_thr): New.
6600 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
6601 (recip_approx): New.
6603 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
6605 * print-rtl.c (debug_call_placeholder_verbose): New variable.
6606 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
6608 * integrate.c (copy_rtx_and_substitute): Don't share
6609 LEAF_REG_REMAPpable registers with the inlined function. Don't
6610 share the function value with calling sequences.
6612 2000-09-11 Jakub Jelinek <jakub@redhat.com>
6614 * c-decl.c (do_case): Fix a typo.
6616 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
6617 to a if the comparison is floating mode and not -ffast-math.
6618 * simplify-rtx.c (simplify_ternary_operation): Likewise.
6620 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6622 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
6623 gen_ic_invalidate_line.
6625 2000-09-11 Philip Blundell <pb@futuretv.com>
6627 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
6629 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
6631 * install.texi (LANGUAGES): Update to include new languages.
6634 2000-09-11 DJ Delorie <dj@redhat.com>
6636 * gcc.c (main): Don't warn about unused -B prefixes
6637 (unused_prefix_warnings): remove
6639 2000-09-11 Kazu Hirata <kazu@hxi.com>
6641 * final.c: Fix formatting.
6643 * integrate.c: Fix formatting.
6645 2000-09-11 Geoff Keating <geoffk@cygnus.com>
6647 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
6649 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
6651 * reload.c (regno_clobbered_p): Fix thinko in previous change.
6653 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6655 * gcc.1: Document 68hc11 specific options.
6657 2000-09-10 Geoff Keating <geoffk@cygnus.com>
6659 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
6660 (TARGET_LONG_DOUBLE_128): Define.
6661 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
6662 (LONG_DOUBLE_TYPE_SIZE): Redefine.
6663 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6664 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
6665 of __LONG_DOUBLE_128__.
6666 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
6668 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
6669 (CPP_SYSV_DEFAULT_SPEC): Define.
6670 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
6671 (INIT_TARGET_OPTABS): Define.
6673 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
6674 (RS6000_UITRUNC): Likewise.
6675 (INIT_TARGET_OPTABS): New macro.
6676 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
6677 (trunc_defined): Delete.
6678 (output_prolog): Don't output .extern definitions for fp->int
6679 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
6680 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
6681 (trunc_defined): Delete.
6682 (RS6000_ITRUNC): Moved to aix.h.
6683 (RS6000_UITRUNC): Likewise.
6684 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
6685 only emit a libcall.
6686 (fixuns_truncdfsi2): Delete.
6687 (trunc_call): Delete.
6688 (trunc_call_rtl): Delete.
6690 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6692 * varasm.c (make_decl_rtl): Restore leading star on
6693 DECL_ASSEMBLER_NAME set for decls with an asmspec.
6695 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6697 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
6698 won't give a spurious error for '#pragma pack()'. Simplify
6699 control flow for readability. 'reset' action is not necessary.
6701 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6703 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
6704 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
6705 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
6706 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
6708 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
6709 profile.c, sdbout.c, tradcif.y, tree.c:
6710 Include defaults.h if not already included.
6711 Don't define the above macros.
6713 * Makefile.in: Update dependencies.
6715 2000-09-10 Mark Mitchell <mark@codesourcery.com>
6717 * c-common.h (add_stmt): Change prototype.
6718 (RECHAIN_STMTS): New macro.
6719 (CASE_LABEL_DECL): Likewise.
6720 (genrtl_case_label): Change prototype.
6721 (c_expand_start_case): Remove prototype.
6722 (build_case_label): Change prototype.
6723 (decl_constant_value): Declare.
6724 * c-common.c (check_case_value): Handle C++'s extensions to C
6726 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
6728 * c-parse.in (stmt): Adjust handling of return statements and case
6730 * c-semantics.c (add_stmt): Return the new statement.
6731 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
6732 returned expression. Directly generate RTL, rather than calling
6734 (genrtl_switch_stmt): Don't call c_expand_start_case.
6735 (build_case_label): Take the LABEL_DECL as input, too.
6736 (genrtl_case_label): Just call add_case_node.
6737 (expand_stmt): Adjust calls to genrtl_return_stmt and
6739 * c-tree.h (c_expand_start_case): Declare.
6740 * c-typeck.c (decl_constant_value): Give it external linkage.
6741 (c_expand_return): Don't call expand_return or expand_null_return;
6742 use genrtl_return_stmt instead.
6743 * stmt.c (struct nesting): Remove num_ranges field.
6744 (add_case_node): Give it external linkage.
6745 (expand_start_case): Don't set num_ranges.
6746 (expand_start_case_dummy): Don't clear it.
6747 (pushcase): Rely on add_case_node to handle `default' labels.
6748 (add_case_node): Handle `default' labels.
6749 * tree.c (tree_int_cst_compare): New function.
6750 * tree.h (tree_int_cst_compare): Declare.
6751 (add_case_node): Likewise.
6753 2000-09-10 Richard Henderson <rth@cygnus.com>
6755 * c-parse.in: Revert last change.
6756 (init_reswords): Do not enter disabled keywords into the ridpointers
6757 table, modulo objc weirdness.
6758 (_yylex): Return the canonical spelling for a keyword.
6760 2000-09-10 Philip Blundell <philb@gnu.org>
6762 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
6763 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
6765 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
6767 * alias.c (find_base_term): Handle ADDRESSOF.
6768 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
6770 2000-09-10 Denis Chertykov <denisc@overta.ru>
6772 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
6773 outputting templates with many lines.
6775 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6777 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
6778 to decide whether 64-bit support must be generated.
6780 2000-09-10 Richard Henderson <rth@cygnus.com>
6782 * c-parse.in (asm patterns): Fix volatile check.
6784 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6786 * cppmacro.c (check_trad_stringification): New function.
6787 (save_expansion): If -Wtraditional, warn about stringification of
6790 2000-09-11 Michael Hayes <mhayes@cygnus.com>
6792 * loop.h (struct loop_mem_info): Move from loop.c
6793 (struct loop_info): Add fields store_mems, mems, mems_idx,
6794 mems_allocated, unknown_address_altered,
6795 unknown_constant_address_altered, num_mem_sets, and
6796 first_loop_store_insn.
6798 * loop.c (loop_store_mems): Replace with field in loop_info struct.
6799 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
6800 (unknown_address_altered, unknown_constant_address_altered): Likewise.
6801 (num_mem_sets): Likewise.
6802 (replace_loop_mems, replace_loop_regs): New.
6803 (struct loop_replace_args): New.
6804 (load_mems): Use replace_loop_mems.
6805 (try_copy_prop): Use replace_loop_regs.
6806 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
6808 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6810 * configure.in: Recognize m6811-elf and m6812-elf.
6811 * configure: Regenerate.
6813 2000-09-09 Geoff Keating <geoffk@cygnus.com>
6815 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
6818 2000-09-10 Michael Hayes <mhayes@cygnus.com>
6820 * loop.c (struct movables): New.
6821 (num_movables): Move into struct movables.
6822 (the_movables): Change type to struct movables.
6823 (ignore_some_movables): Change struct movable arg to struct movables.
6824 (force_movables, combine_movables, regs_match_p): Likewise.
6825 (rtx_equal_for_loop_p, move_movables): Likewise.
6826 (scan_loop): Change movables to be of type struct movables.
6827 Replace last_movable with field in movables structure.
6829 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
6831 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
6832 (init_pragma): Avoid warning if pfile happens to be unused.
6833 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
6834 define init_pragma to nothing. Always prototype
6835 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
6837 * c-lex.c (process_directive): Always call dispatch_pragma.
6838 Initialize entering_c_header to 0.
6840 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6842 * config/m68hc11/m68hc11.md: New file, machine description for
6844 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
6845 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
6846 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
6847 * config/m68hc11/m68hc11-protos.h: New file.
6848 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
6849 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
6850 * config/m68hc11/xm-m68hc11.h: New file, target defs.
6851 * config/m68hc11/larith.asm: New file, libgcc routines.
6853 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6855 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
6856 (FPBIT_FUNCS): Add _usi_to_sf.
6857 * config/fp-bit.c (usi_to_float): New function.
6858 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
6859 (usi_to_float): Add appropriate #define.
6861 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6863 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
6865 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
6866 * i386.md (attr "type"): Add sse and mmx types.
6867 (attr "memory"): Handle them without a crash.
6868 (movsi_1, movdi_2): Allow MMX regs.
6869 (movdi splits): Don't split moves involving MMX regs.
6870 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
6871 (movv4sf_internal, movv4si_internal, movv8qi_internal,
6872 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
6873 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
6874 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
6875 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
6876 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
6877 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
6878 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
6879 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
6880 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
6881 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6882 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6883 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
6884 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
6885 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6886 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6887 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
6888 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
6889 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
6890 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
6891 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
6892 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6893 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6894 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
6895 mmx_clrdi): New patterns.
6897 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
6899 * arm.c: Don't include tm.h directly.
6901 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
6903 * recog.c (validate_replace_rtx_1): Fix confusion about equality
6904 testing; simplify subregs of constants and nested subregs.
6906 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
6908 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
6910 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6912 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
6914 * rtl.texi (description of USE): Add note about possible pitfalls
6916 From Richard Henderson:
6917 * reload1.c (choose_reload_regs): Compute need_mode properly.
6919 2000-09-07 Richard Henderson <rth@cygnus.com>
6921 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6922 (__modsi3, __umodsi3): Likewise.
6923 (__udivsi3): Likewise. Normalize the TFmode values.
6925 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6927 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6929 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6932 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6934 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
6935 (cmpeqdi_t): Add output pattern.
6936 (cmpeqdi_t+1): Don't split when not optimizing.
6937 Restore proper splitting operation.
6939 2000-09-07 Richard Henderson <rth@cygnus.com>
6941 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
6942 do not call dispatch_pragma.
6944 2000-09-07 Jim Wilson <wilson@cygnus.com>
6946 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
6947 to CLASS_CANNOT_CHANGE_MODE.
6948 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
6949 mode classes are different.
6951 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6953 * cpplib.h (struct cpp_options): Add user_label_prefix member,
6954 left out of commit which removed cppulp.c.
6956 2000-09-07 Richard Henderson <rth@cygnus.com>
6958 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
6959 after switch for CASE_DROPS_THROUGH.
6961 2000-09-07 Richard Henderson <rth@cygnus.com>
6963 * loop.c (strength_reduce): Call check_ext_dependant_givs.
6964 Properly extend the biv initial value for the giv.
6965 (record_biv): Zero ext_dependant.
6966 (record_giv): New argument ext_val. Update all callers.
6967 (general_induction_var): Likewise.
6968 (consec_sets_giv): Likewise.
6969 (simplify_giv_expr): Likewise. Fill in ext_val if we find
6970 a sign-extend, zero-extend, or truncate.
6971 (combine_givs_p): Make sure modes are compatible.
6972 (check_ext_dependant_givs): New.
6973 (extend_value_for_giv): New.
6974 * loop.h (struct induction): Add ext_dependant.
6975 * unroll.c (iteration_info): Extend the biv initial value for the giv.
6976 (find_splittable_givs): Likewise.
6977 (final_giv_value): Likewise.
6979 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6981 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
6982 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
6983 definitions from cpplib.h.
6984 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
6986 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
6987 documentation for REGISTER_TARGET_PRAGMAS.
6989 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
6990 default-pragma callback to implement -Wunknown-pragmas if
6992 * c-parse.in: Move all includes to top of file.
6993 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
6995 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
6997 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
6999 * arm.h, arm-protos.h, arm.c,
7000 c4x.h, c4x-protos.h, c4x.c,
7001 h8300.h, h8300-protos.h, h8300.c,
7002 i370.h, i370-protos.h, i370.c,
7003 i960.h, i960-protos.h, i960.c,
7004 sh.h, sh-protos.h, sh.c,
7005 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
7006 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
7008 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
7009 multiple include guard.
7010 * i370.md (untyped_call): Use GEN_CALL.
7011 (umodsi3): Remove unused variable.
7012 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
7013 * v850.c (output_move_single, output_move_double): Constify
7015 (print_operand): Constify a char *.
7016 * v850.h (struct small_memory_info): Constify name member.
7018 2000-09-07 Kazu Hirata <kazu@hxi.com>
7020 * config/h8300.h: Fix comment typos.
7021 * config/h8300/h8300.md: Likewise.
7022 * config/h8300/lib1funcs.asm: Likewise.
7024 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
7026 * Makefile.in: Remove references to cppulp.{c,o}.
7027 * cppinit.c (initialize_builtins, cpp_start_read,
7028 cpp_handle_option): Update to use cpp_options structure.
7031 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
7033 * c-common.c (time_char_table): Allow %#b and %#h.
7035 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7037 * reorg.c (find_end_label): If the basic block reorder pass moves the
7038 return insn to some other place try to locate it again and put our
7039 end_of_function_label there.
7040 * reorg.c (relax_delay_slots): Check if find_end_label created a
7041 new label that invalidates the current optimazation.
7043 2000-09-07 Catherine Moore <clm@redhat.com>
7045 * unroll.c (unroll_loop): Check for unconditional jumps
7046 to loop continuation. Delete if n_iterations is 1.
7047 (ujump_to_loop_cont): New routine.
7049 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
7051 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
7053 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
7054 to handle multiword modes correctly. All callers and the declaration
7057 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7059 * c-common.h (prep_stmt): Declare.
7060 (lang_expand_stmt): Likewise.
7061 * c-decl.c (lang_expand_stmt): Remove.
7062 * c-semantics.c (lang_expand_stmt): Define.
7063 (prep_stmt): New function.
7064 (expand_stmt): Handle common statement types here.
7066 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
7068 * configure.in (sh-*-linux*): Added.
7069 * configure: Rebuilt.
7070 * config/sh/t-linux: New file.
7071 * config/sh/sh.h (USERMODE_BIT): Define.
7072 (TARGET_USERMODE): Likewise.
7073 (TARGET_SWITCHES): New switches for the bits above.
7074 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
7075 * config/sh/linux.h: New file.
7076 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
7077 underscore on linux.
7078 (L_sdivsi3, L_udivsi3): Define for linux.
7079 (L_ic_invalidate): Define.
7080 * invoke.texi (SH Options): Document -musermode.
7082 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
7084 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
7085 CSE unless generating PIC.
7087 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
7090 2000-09-06 H.J. Lu (hjl@gnu.org)
7092 * Makefile.in (clean_s1): Depend on stage_b.
7093 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
7094 stage2. They are used for "make compare".
7096 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7098 Move statement-tree facilities from C++ to C front-end.
7099 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
7100 (void_zero_node): New macro.
7101 (struct stmt_tree_s): New type.
7102 (stmt_tree): New typedef.
7103 (struct language_function): New type.
7104 (last_tree): New macro.
7105 (last_expr_type): Likewise.
7106 (walk_tree_fn): New typedef.
7107 (current_stmt_tree): New function.
7108 (begin_stmt_tree): Likewise.
7109 (add_stmt): Likewise.
7110 (finish_stmt_tree): Likewise.
7111 (statement_code_p): Likewise.
7112 (lang_statement_code_p): New variable.
7113 (walk_stmt_tree): New function.
7114 (STMT_IS_FULL_EXPR_P): New macro.
7115 * c-common.c (lang_statement_code_p): New variable.
7116 (c_common_nodes_and_builtins): Initialize void_zero_node.
7117 (statement_code_p): New function.
7118 (walk_stmt_tree): Likewise.
7119 * c-decl.c (language_function): Rename to ...
7120 (c_language_function): ... this. Include language_function.
7121 (push_c_function_context): Adjust accordingly.
7122 (pop_c_function_context): Likewise.
7123 (mark_c_function_context): Likewise.
7124 (current_stmt_tree): Define.
7125 * c-semantics.c (begin_stmt_tree): New function.
7126 (add_stmt): Likewise.
7127 (prune_unused_decls): Likewise.
7128 (finish_stmt_tree): Likewise.
7130 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7132 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
7134 2000-09-06 Kazu Hirata <kazu@hxi.com>
7136 * calls.c: Fix formatting.
7138 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
7140 * config/i386/i386.h (ADDRESS_COST): Fix typo.
7142 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7144 Integrated preprocessor.
7146 * Makefile.in: Remove all references to c-parse.gperf,
7147 c-gperf.h, and c-parse.h. Remove -d from yacc command line
7148 generating c-parse.c. Update dependencies.
7149 * c-parse.gperf, c-gperf.h: Delete.
7151 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
7152 yy_lim, or yy_get_token. Don't define get_directive_line if
7154 * c-common.h: Add multiple include guard. Define RID values
7155 for every keyword in C, C++, and Objective C. Put all the
7157 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
7158 * c-decl.c (c_decode_option): Handle -lang-objc here.
7159 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
7160 (grokdeclarator): Adjust for new RID scheme.
7161 (extract_interface_info): New stub.
7162 * c-lang.c: Don't declare yy_cur or parse_options.
7163 (lang_init_options): Call cpp_init. Don't call
7165 (lang_init): Don't call check_newline if USE_CPPLIB.
7167 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
7168 Elide lots of unnecessary code if USE_CPPLIB. Delete code
7169 rendered unnecessary by new architecture. Move routines not
7170 shared with C++ to c-parse.in. Maintain a local idea of the
7171 line number. Handle C++ as well as C.
7172 [USE_CPPLIB]: Declare and register callbacks for #ident and
7173 for entering/leaving files.
7174 (init_c_lex, c_lex): Are now the entry points to this file.
7175 (check_newline): Break out directive handling to
7177 (read_ucs, is_extended_char, utf8_extend_token): Moved here
7179 (readescape, parse_float): Overhaul.
7180 (lex_number, lex_string, lex_charconst): Break out of c_lex
7182 (get_fileinfo, update_header_times, dump_one_header,
7183 dump_time_statistics): New and/or moved here from C++.
7184 Support per-file data needed by C++ and per-header timing
7185 statistics (C++ only, at the moment).
7186 * c-lex.h: Update prototypes. Add multiple include guard.
7187 * c-tree.h (struct lang_identifier): Add rid_code field.
7188 (C_IS_RESERVED_WORD, C_RID_CODE): New.
7190 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
7191 reinit_parse_for_function and/or position_after_white_space.
7192 (save_filename, save_lineno): Look ahead before saving.
7193 (label -> identifier ':'): Save file and line before shifting ':'.
7194 (reservedwords): No need to call get_identifier.
7195 (init_parse, finish_parse, yyerror, yylex, yyprint,
7196 make_pointer_declarator): Are now here for C/ObjC.
7197 (rid_to_yy): Conversion table from RID constants to Yacc codes.
7199 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
7200 #pragma registry. Provide dummy implementation of that
7201 interface if !USE_CPPLIB.
7202 * c-pragma.h: Update to match.
7204 * flags.h: Add multiple include guard.
7205 (flag_detailed_statistics): Moved here from C++.
7206 * toplev.c: Define flag_detailed_statistics.
7208 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
7210 * timevar.def (TV_CPP, TV_LEX): New.
7211 * timevar.h: Add multiple include guard.
7213 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
7215 * objc/objc-act.c: Don't mention yy_cur or parse_options.
7216 Initialize cpplib properly. Force lineno to 0 after first
7217 call to check_newline. Don't handle -lang-objc here.
7218 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
7220 2000-09-06 David Edelsohn <edelsohn@gnu.org>
7222 * rs6000.md: Correct function unit definitions for cr_logical and
7224 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
7225 and use portable method for >=0 and floating point >=. Remove
7226 associated matchers.
7228 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7230 * extend.texi: Mark named return value extension as deprecated.
7232 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7234 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
7237 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
7239 * toplev.c (display_help): Fix thinko in documentation.
7241 * diagnostic.h (output_buffer::indent_skip): New fields.
7242 (output_indentation): New macro.
7244 * diagnostic.c (output_indent): New function.
7245 (output_set_prefix, clear_diagnostic_info): Use.
7246 (output_emit_prefix): Predict future indentation.
7248 2000-09-06 DJ Delorie <dj@redhat.com>
7250 * Makefile.in (stage_*): add more dependencies to ensure parallel
7251 builds build correctly
7253 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
7255 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
7256 not bootstrap-lean_f.
7258 2000-09-06 Andreas Schwab <schwab@suse.de>
7260 * mklibgcc.in: Emit rule for libgcc-stage-start.
7261 * Makefile.in (stage1-start, stage2-start, stage3-start,
7262 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
7264 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
7266 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
7267 (update_equiv_regs): Likewise, except for the mn10200 kludge.
7268 (combine_regs): Likewise.
7270 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
7271 * cse.c: Include "basic-block.h".
7272 (struct table_elt): New field REGCOST.
7273 (CHEAP_REG): Delete macro.
7274 (COST): Return 0 for REGs.
7275 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
7276 (notreg_cost): Return 0 for appropriate SUBREGs.
7277 (COSTS_N_INSNS): Return N * 2.
7278 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
7280 (CHEAPER): Use new function preferrable.
7281 (insert): Initialize REGCOST member.
7282 (find_best_addr): Use approx_reg_cost for estimation of register
7284 (cse_insn): Likewise.
7285 * loop.c (iv_add_mult_cost): New function.
7286 (add_cost, shift_cost, mult_cost): Delete variables.
7287 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
7288 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
7289 Make code that detects autoinc opportunities slightly less optimistic.
7290 (simplify_giv_expr): If expression contains other reg that is also a
7291 giv, only increment benefit if this is the only use of that reg.
7292 (consec_sets_giv): Take that change into account.
7293 (combine_givs): Slightly more verbose output.
7295 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
7296 not the cost of an equivalent shift.
7297 * sh-protos.h (addsubcosts): Declare.
7298 * sh.c (addsubcosts): New function.
7299 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
7300 (RTX_COSTS): Tweak. Use addsubcosts.
7301 (ADDRESS_COST): Return higher cost for reg+reg addressing.
7303 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7305 * config/rs6000/rs6000.c (validate_condition_mode): New function.
7306 (branch_comparison_operator): Call validate_condition_mode to
7307 abort rather than returning 0.
7308 (branch_positive_comparison_operator): New function.
7309 (scc_comparison_operator): Call validate_condition_mode to abort
7310 rather than returning 0.
7311 (ccr_bit): Call validate_condition_mode. Update for
7313 (print_operand): Delete %C modifier. Update %E case
7314 to use EQ bit not SO bit.
7315 (rs6000_reverse_condition): New function.
7316 (rs6000_generate_compare): New function.
7317 (rs6000_emit_sCOND): New function.
7318 (rs6000_emit_cbranch): New function.
7319 (output_cbranch): The length of a long branch insn is
7320 now only 8 bytes. Add validate_condition_mode. Use
7321 rs6000_reverse_condition. Remove cror generation.
7323 * config/rs6000/rs6000.h: Update comments.
7324 (PREDICATE_CODES): Add new predicate. Update codes used
7325 by branch_comparison_operator and scc_comparison_operator.
7326 * config/rs6000/rs6000-protos.h: Add prototypes for
7327 new external functions.
7328 * config/rs6000/rs6000.md: Add new scheduling parameters
7329 for cr_logical instructions. Change length of branch
7331 (bCOND patterns): Call rs6000_emit_cbranch.
7332 (sCOND patterns): Call rs6000_emit_sCOND.
7333 (branch patterns): Change lengths to 4.
7334 (cr logical patterns): New.
7336 2000-09-06 Richard Henderson <rth@cygnus.com>
7338 * config/i386/i386.md (call_pop): Fix test for setting
7339 current_function_uses_pic_offset_table.
7340 (call, call_value_pop, call_value): Likewise.
7342 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7344 * timevar.c (timevar_add): Delete.
7345 (timevar_get): Also count time since the selected timer was
7346 last updated. Do not examine the timevar stack if the
7347 selected timer is standalone.
7349 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7351 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
7353 2000-09-05 Jason Merrill <jason@redhat.com>
7355 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
7356 for 'extern' arrays.
7358 2000-09-05 Richard Henderson <rth@cygnus.com>
7360 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
7361 Eliminate final copy from non-trapping case.
7362 (__divdf3, __divsf3): Likewise.
7364 2000-09-05 Richard Henderson <rth@cygnus.com>
7366 * config/ia64/ia64.md (mulhi3): Fix typo last change.
7367 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
7369 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
7371 * Makefile.in: Restructure bootstrap stages to allow clean
7372 restart after failure.
7374 2000-09-05 Richard Henderson <rth@cygnus.com>
7376 * config/ia64.md (movsi and movdi patterns): Allow moves from
7377 8-bit constants to AR registers.
7379 2000-09-05 Richard Henderson <rth@cygnus.com>
7381 * config/ia64/ia64.md (mulhi3): New.
7383 2000-09-05 Richard Henderson <rth@cygnus.com>
7385 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
7386 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
7387 Optimization Guide, minimum latency alternative.
7388 (__moddi3, __udivdi3, __umoddi3): Likewise.
7389 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
7391 2000-09-05 Bruce Korb <bkorb@gnu.org>
7393 * fixinc/fixincl.c (load_file): always read header files
7394 with sizes that are a multiple of the page size.
7395 & use libiberty's getpagesize for determining that.
7397 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
7399 * gcse.c (hash_string_1): Add prototype.
7400 * cse.c (canon_hash_string): Likewise.
7402 2000-09-04 Craig Newell <CraigN@ieee.org>
7404 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
7406 2000-09-04 Andreas Schwab <schwab@suse.de>
7408 * Makefile.in (STAGESTUFF): Remove libgcc.
7409 (stage1-start, stage2-start, stage3-start): Copy the contents of
7410 the libgcc directory explicitly.
7411 (mostlyclean): Clean libgcc.
7413 2000-09-04 Andrew Haley <aph@redhat.com>
7415 * dwarf2out.c: (stack_adjust_offset): New prototype.
7417 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
7419 * combine.c (make_extraction): Fix rtx_cost comparison to
7422 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
7424 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
7425 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
7426 Add '*' to insn pattern name.
7428 2000-09-04 Jakub Jelinek <jakub@redhat.com>
7430 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
7431 use posn - 1 to index into tokens array.
7432 (maybe_paste_with_next): Adjust caller.
7434 2000-09-03 Geoff Keating <geoffk@cygnus.com>
7436 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
7438 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
7439 (REGNO_REG_CLASS): Use symbolic register
7442 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
7444 * arm.c (final_prescan_insn): If the form of a jump insn isn't
7445 recognized, don't try to conditionally execute it.
7447 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
7449 * config/avr/avr.md ("*tablejump_lib"): New pattern.
7450 (call_value_insn): Right length claculation.
7451 (call_insn): Likewise.
7453 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
7455 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
7456 gas_output_limited_string, gas_output_ascii, output_movqi,
7457 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
7458 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
7459 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
7460 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
7461 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
7462 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
7463 Add "const" as needed to remove warnings.
7465 * config/avr/avr.c (avr_override_options, avr_init_once,
7466 function_prologue, function_epilogue, frame_pointer_required_p,
7467 class_likely_spilled_p, order_regs_for_local_alloc,
7468 avr_address_cost, avr_ret_register): Use K&R style arguments.
7469 (initial_elimination_offset, gas_output_limited_string):
7470 Remove ATTRIBUTE_UNUSED from the used arguments.
7471 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
7472 Use local variables src, dest, base to access operands[].
7473 Rename reg_dest to reg_src if that's what it is.
7474 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
7475 constants to LD_REGS if reg_was_0.
7476 (output_reload_insisf): Change arg 3 to insn length and set it.
7477 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
7478 access to 16-bit I/O register pairs.
7479 (avr_address_cost): Lower cost for the above case.
7480 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
7481 may be clobbered, also for LD_REGS.
7482 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
7485 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
7487 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
7488 macro to test_hard_reg_class function.
7489 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
7490 for loading immediate constants to LD_REGS.
7491 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
7494 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
7496 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
7497 * config/avr/libgcc.S: Lost part of the previous patch.
7499 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7501 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
7502 object before calling pthread_mutex_init.
7504 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
7506 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
7507 config/sh/crtn.asm: New files.
7508 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
7509 (crt1.o, crti.o, crtn.o): New targets.
7510 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
7512 * configure: Rebuilt.
7513 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7514 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
7515 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7516 Undefine for config/elfos.h to redefine.
7517 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
7519 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7521 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
7522 legitimize_pic_address, output_pic_addr_const): Declare.
7523 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
7524 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
7525 (TARGET_SWITCHES): New switch -mprefergot.
7526 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
7527 (PIC_OFFSET_TABLE_REGNUM): Define.
7528 (GOT_SYMBOL_TABLE): Likewise.
7529 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
7530 (ENCODE_SECTION_INFO): Define.
7531 (FINALIZE_PIC): New macros.
7532 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
7533 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
7534 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
7535 (prepare_move_operands): Call emit_pic_move or
7536 emit_pic_const_move if appropriate.
7537 (output_far_jump): For PIC, use braf and output long offset.
7538 (machine_dependent_reorg):
7539 (sh_expand_prologue): Save and initialize the PIC register.
7540 (sh_expand_epilogue): Restore it.
7541 (initial_elimination_offset): Account for it.
7542 (nonpic_symbol_mentioned_p): New function.
7543 (legitimize_pic_address): Likewise.
7544 (output_pic_addr_const): Likewise.
7545 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
7546 (call, call_value): Use them.
7547 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
7548 symPLT_label2reg): New expands.
7549 * invoke.texi (SH Options): Document -mprefergot.
7551 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
7553 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
7554 * gcse.c (hash_string_1): New function.
7555 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
7556 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
7557 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
7558 (canon_hash_string): New function.
7559 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
7560 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
7561 (fold_rtx): Use ASM_OPERANDS accessor macros.
7562 * emit-rtl.c (copy_insn_1): Likewise.
7563 * integrate.c (copy_rtx_and_substitute): Likewise.
7564 * stmt.c (expand_asm_operands): Likewise. Give an
7565 ASM_OPERANDS rtx the mode of the output reg being set from it.
7567 2000-09-01 Fred Fish <fnf@be.com>
7569 * fix-header.c (write_rbrac): Add putc and getc to list of
7570 functions to protect against prior definition as a macro.
7572 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
7574 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
7575 (c_size_type_node): Define.
7576 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
7577 * c-common.c (enum format_lengths, enum format_std_version,
7578 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
7579 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
7580 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
7581 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
7582 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
7583 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
7584 format_types): Define.
7585 (format_char_info, print_char_table, scan_char_table,
7586 time_char_table): Rearrange for new organization of information
7587 about format length modifiers and standard versions.
7588 (T_ST): Redefine to use c_size_type_node.
7589 (check_format_info): Obtain information about length modifiers and
7590 standard versions from tables. Adjust warning message wordings.
7591 Use the name from the user's program for `ll' and `hh' length
7592 modifiers in warning messages. Use more informative names for
7593 wanted types where available (for wchar_t, wint_t, size_t, signed
7594 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
7596 2000-09-01 Jim Wilson <wilson@cygnus.com>
7598 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
7599 * combine.c (distribute_notes): Handle REG_NORETURN.
7600 * rtl.c (reg_note_name): Add REG_NORETURN.
7601 * rtl.h (enum reg_note): Likewise.
7603 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
7605 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
7606 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
7607 (emit_predicate_relation_info): Handle conditional calls with
7609 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
7610 instead of ia64_file_start.
7611 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
7612 * config/ia64/ia64.md (safe_across_calls_all,
7613 save_across_calls_normal): New patterns.
7615 * loop.c (check_final_value): Check for biv use before checking for
7616 giv use. Check for both biv and giv uses. Always set last_giv_use
7617 if there is a giv use.
7619 2000-09-01 Richard Henderson <rth@cygnus.com>
7621 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
7622 (madddi3): Likewise.
7625 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7627 * expr.c (clear_storage): Don't use emit_move_insn unless
7628 either BLKmode or proper size.
7629 (store_constructor): Don't call clear_storage if REG of wrong size.
7631 * flow.c (init_propagate_block_info): Don't mark frame dead at end
7632 of function if returns wiht stack pointer depressed.
7634 2000-09-01 Andrew Haley <aph@redhat.com>
7636 * dwarf2out.c (stack_adjust_offset): New function.
7637 (dwarf2out_stack_adjust): Break out stack adjust logic into
7638 new stack_adjust_offset function. Look inside parallels and
7639 sequences for stack adjustments.
7641 2000-08-31 Jeff Law <law@cygnus.com>
7643 * arm.md: Use no_new_pseudos to determine when it is safe
7644 to create new pseudo registers.
7646 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
7647 when we can safely allocate new registers.
7649 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
7651 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
7652 so that CONCATs are not generated for ASMs.
7653 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
7654 not generating_concat_p.
7655 * function.c (pop_function_context_from): Reset
7656 generating_concat_p.
7657 (prepare_function_start): Likewise.
7658 * rtl.c (generating_concat_p): Define.
7659 * rtl.h (generating_concat_p): Declare.
7660 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
7662 2000-08-22 Philipp Thomas <pthomas@suse.de>
7663 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
7665 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
7668 2000-08-30 Greg McGary <greg@mcgary.org>
7670 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
7671 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
7672 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
7674 2000-08-30 Greg McGary <greg@mcgary.org>
7676 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
7677 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
7678 (TREE_INT_CST): New macro.
7679 * varasm.c (const_hash, compare_constant_1, record_constant_1):
7680 Use new macro TREE_INT_CST.
7682 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
7684 * contrib.texi: Add self.
7686 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
7688 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
7689 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
7692 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7694 * fixinc/gnu-regex.c: Don't define `const'.
7696 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7698 * expr.c (store_constructor): Allow variable bounds of array type.
7699 (expand_expr): Don't blow up if type is ERROR_MARK.
7700 * varasm.c (output_constructor): Don't access lower bound of array
7701 type unless need it if index is supplied (so it can be a variable
7702 if no index is supplied).
7703 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
7704 Other minor cleanups.
7706 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7708 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
7709 for compilations in stage 1 and subsequent stages, respectively.
7710 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
7711 * configure: Rebuilt.
7712 * x-vax, x-vax-gcc: Deleted.
7714 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7716 * c-common.c (declare_function_name): Use func_id_node,
7717 function_id_node, and pretty_function_id_node. Do not make
7718 __func__ visible at file scope.
7719 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
7720 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
7721 (function_id_node, pretty_function_id_node, func_id_node): New
7723 * c-decl.c (init_decl_processing): Initialize function_id_node,
7724 pretty_function_id_node, and func_id_node.
7725 (c_make_fname_decl): Correct comment.
7727 * tree.h (struct tree_identifier): Constify pointer member.
7729 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
7730 * c-pragma.h (struct weak_syms): Constify name and value members.
7731 (add_weak): Constify arguments.
7733 * calls.c (special_function_p): Constify a char *.
7734 (expand_call): Remove variable which is initialized and then
7736 * dependence.c (struct def_use, struct induction, struct subscript):
7737 Constify 'variable' member.
7738 (get_low_bound, have_induction_variable): Constify char * argument.
7739 (find_induction_variable): Add braces to avoid dangling else.
7740 (classify_dependence): Constify char * arrays.
7741 * profile.c (output_func_start_profiler): Constify a char *.
7742 * stor-layout.c (finalize_record_size): Constify a char *.
7743 * tree.c (is_attribute_p): Constify a char *.
7744 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
7746 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
7747 for comprehensibility. Do not call get_identifier if we did
7748 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
7749 create temporary string constants, not ggc_alloc_string. No
7750 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
7751 char * to hold IDENTIFIER_POINTERs.
7753 2000-08-29 Richard Henderson <rth@cygnus.com>
7755 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
7758 2000-08-29 Richard Henderson <rth@cygnus.com>
7760 * reload.c (push_secondary_reload): Allow class == reload_class
7761 if we're using a reload_in/out pattern.
7763 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
7764 the half that does not conflict with the reload register.
7765 (reload_outti): Likewise.
7767 2000-08-29 Kazu Hirata <kazu@hxi.com>
7769 * reload.c: Fix formatting.
7771 * stmt.c: Fix formatting.
7773 * gcc.c: Fix formatting.
7775 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7777 * flags.h (time_report, mem_report): New global flags.
7778 * toplev.c: Define time_report and mem_report.
7779 (f_options): Add -ftime-report and -fmem-report.
7780 (compile_file): Turn on time_report if quiet_flag is off.
7781 Call ggc_print_statistics at very end if mem_report is on.
7782 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
7784 * ggc-common.c (ggc_print_statistics): Rename to
7785 ggc_print_common_statistics; all callers changed. Scale
7786 quantities above 10K to kilobytes and above 10M to megabytes.
7787 * ggc-page.c (ggc_page_print_statistics): Rename to
7788 ggc_print_statistics. Report memory consumed by internal data
7789 structures for each allocation bucket. Scale quantities above
7790 10K to kilobytes and above 10M to megabytes.
7791 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
7792 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
7793 Define tally_leaves always.
7794 (ggc_print_statistics): New function.
7795 * ggc.h: Adjust for renamed functions.
7797 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
7799 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
7800 output_movsisf instead of which_alternative.
7802 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
7804 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
7806 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
7807 (avr_progmem_p): New prototype.
7808 (output_movsisf): Prototype declaration changed.
7809 (output_movqi): New prototype.
7810 (output_movhi): New prototype.
7811 (call_insn_operand): Likewise.
7812 (final_prescan_insn): Likewise.
7813 (avr_simplify_comparision_p): Likewise.
7814 (avr_normalize_condition): Likewise.
7815 (compare_eq_p): Likewise.
7816 (out_shift_with_cnt): Likewise.
7817 (const_int_pow2_p): Likewise.
7818 (output_reload_inhi): Prototype declaration changed.
7820 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
7821 (ldi_reg_rtx): New. rtx for r31.
7822 (avr_init_stack): Initialize as "__stack".
7823 (function_prologue): Use it.
7824 Replace all TARGET_ENHANCED with AVR_ENHANCED.
7825 (avr_mcu_name): Initialize as "avr2".
7826 (avr_enhanced_p, avr_mega_p): New variables.
7827 (mcu_types, avr_override_options): Handle all known MCU types.
7828 Also handle avr1 (only preprocess, assemble and link).
7829 (print_operand): Using of `%K' in output template removed.
7830 (out_movqi_r_mr): Optimized.
7831 (out_movhi_r_mr): Likewise.
7832 (output_movqi): New function.
7833 (output_movhi): Likewise.
7834 (out_movsi_r_mr): Optimized.
7835 (output_movsisf): Compute insn length for `adjust_insn_length'
7836 (out_movqi_mr_r): Optimized.
7837 (out_movhi_mr_r): Optimized.
7838 (adjust_insn_length): Use output_movsisf, output_movqi,
7839 output_movhi for insn length adjusting.
7840 (reg_unused_after): Use dead_or_set_p.
7841 (preferred_reload_class): Now havn't any restriction.
7842 (reg_was_0): New function.
7843 (io_address_p): Likewise.
7844 (const_int_pow2_p): Likewise.
7845 (output_reload_inhi): Likewise.
7846 (output_reload_insisf): Likewise.
7848 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
7849 (LIB_SPEC): Use -lc for all supported devices.
7850 (LIBGCC_SPEC): Use -lgcc for all supported devices.
7851 (AVR_MEGA): Define as avr_mega_p.
7852 (AVR_ENHANCED): New, define as avr_enhanced_p.
7853 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
7854 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
7855 (CRT_BINUTILS_SPECS): Handle all known MCU types.
7856 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
7857 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
7858 (ASM_SPEC): Pass -mmcu=... to the assembler.
7859 Change all -DAVR_* to -D__AVR_*__.
7860 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
7861 Rename library functions to start with two underscores.
7862 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
7864 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
7865 (SUPPORTS_WEAK): Likewise.
7866 (LDI_REG_REGNO): New. Register r31 will be used as temporary
7867 register for loading constants to r0-r14.
7869 * config/avr/avr.md: Replace all TARGET_ENHANCED with
7871 (*mov_r_sp): Removed. Handled by output_movhi.
7872 (*mov_sp_r): Likewise.
7873 (*mov_sp_r_no_interrupts): Likewise
7874 (*mov_sp_r_tiny): Likewise.
7875 (*movqi): Use output_movqi.
7876 (*reload_inqi): New.
7877 (*movhi): Use output_movhi.
7878 (*reload_inhi): New.
7879 (*negsi2): Optimized.
7880 (*negsf2): Likewise.
7881 Added peepholes (define_peephole2) for loading constants to r0-r14
7882 and for using `cpse' command.
7884 * config/avr/libgcc.S: Rename library functions to start with two
7886 Add support for enhanced core.
7887 (_moqhi3): Fix typo, now _modqi3.
7888 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
7889 (__prologue_saves__): Remove test for stack adjust by 0.
7890 (__tablejump__): New.
7892 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
7893 Add multilib support.
7895 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
7897 * loop.c (prescan_loop): Don't check unknown_address_altered
7898 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
7899 to loop_store_mems as necessary.
7900 (loop_invariant_p): Don't check unknown_address_altered
7901 or unknown_constant_address_altered.
7903 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7905 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
7907 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7909 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
7910 print just the filename.
7911 * cpplex.c (_cpp_run_directive): Add additional argument, the
7912 name to give the synthetic buffer. This defaults to
7913 translated "<command line>".
7914 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7916 (_cpp_define_builtin): New function.
7917 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7918 * cpphash.h: Update prototypes.
7920 * tradcpp.c (main): Process -D and -U simultaneously, in the
7921 order they appeared on the command line.
7923 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7925 * c-decl.c (define_label): Call warning_with_file_and_line and
7926 error_with_file_and_line instead of plain warning or error.
7928 * c-parse.in (label): Use save_filename/save_lineno to ensure
7929 correct values for calls to define_label.
7931 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7933 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
7935 * expr.c (expand_expr, case TARGET_EXPR): Don't call
7937 * tree.h (get_file_function_name): Remove two duplicate
7940 2000-08-28 Kazu Hirata <kazu@hxi.com>
7942 * tree.c: Fix formatting.
7944 * xcoffout.c: Fix formatting.
7946 2000-08-28 Jason Merrill <jason@redhat.com>
7948 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
7950 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7952 * dwarf2out.c (dwarf2out_finish): Don't bother calling
7953 break_out_includes if it won't do anything.
7955 2000-08-28 Richard Henderson <rth@cygnus.com>
7957 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
7958 (find_reloads): Likewise.
7959 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
7960 (reload_inhi): Likewise.
7962 2000-08-28 Richard Henderson <rth@cygnus.com>
7964 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
7965 (call_insn_operand): Don't expect a surrounding mem.
7966 (constant_call_address_operand): Likewise.
7967 * config/i386/i386.h (PREDICATE_CODES): Update.
7968 * config/i386/i386.md (call patterns): Move the match_operand
7969 for the call destination inside the mem.
7971 2000-08-28 Richard Henderson <rth@cygnus.com>
7973 * local-alloc.c (requires_inout): Don't use reserved range for
7974 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
7975 * recog.c (asm_operand_ok): Likewise.
7976 (preprocess_constraints, constrain_operands): Likewise.
7977 * regclass.c (record_reg_classes): Likewise.
7978 * reload.c (find_reloads): Likewise.
7979 * reload1.c (maybe_fix_stack_asms): Likewise.
7980 (reload_cse_simplify_operands): Likewise.
7981 * stmt.c (expand_asm_operands): Likewise.
7983 * md.texi: Update constraints documentation.
7984 * tm.texi (EXTRA_CONSTRAINT): Update.
7986 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7988 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
7989 (print_die): If we don't know the offset of the
7990 target die, try the symbol. Add a trailing newline.
7991 (reverse_all_dies): New fn.
7992 (dwarf2out_finish): Call it.
7993 (break_out_includes): Reorganize for clarity.
7994 (add_sibling_attributes): Don't call reverse_die_lists.
7995 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
7997 * flags.h: Add flag_eliminate_dwarf2_dups.
7998 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
8000 2000-08-28 Jason Merrill <jason@redhat.com>
8002 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
8003 * dwarf2out.c: #include "md5.h".
8004 (DIE_LABEL_PREFIX): New macro.
8005 (dw_val_struct): Add 'external' flag to val_die_ref.
8006 (add_AT_die_ref, AT_ref): Adjust.
8007 (AT_ref_external, set_AT_ref_external): New fns.
8008 (build_abbrev_table): Call set_AT_ref_external.
8009 (value_format): Call AT_ref_external.
8010 (die_struct): Add die_symbol field.
8011 (new_die): Clear it.
8012 (dwarf_tag_name): Handle BINCL/EINCL.
8013 (dwarf2out_start_source_file): Add BINCL DIE.
8014 (dwarf2out_end_source_file): Add EINCL DIE.
8015 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
8016 (loc_checksum, attr_checksum, die_checksum): New fns.
8017 (is_type_die, is_comdat_die, is_symbol_die): New fns.
8018 (compute_section_prefix, assign_symbol_names): New fns.
8019 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
8020 (output_die): Call output_die_symbol and AT_ref_external.
8021 (output_comdat_comp_unit): New fn, split out from...
8022 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
8024 (output_pubnames, output_aranges): Abort if we see entries from
8026 * toplev.h: Declare file_name_nondirectory.
8027 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
8028 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
8029 (debug_start_source_file): Call dwarf2out_start_source_file
8030 regardless of debug verbosity.
8031 (debug_end_source_file): Similarly.
8032 * tree.h: Declare clean_symbol_name.
8033 * tree.c (clean_symbol_name): Split out from...
8034 (get_file_function_name_long): ...here.
8036 * dwarf2out.c (new_loc_descr): Use calloc.
8037 (splice_child_die): Remove the die from the right parent.
8038 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
8040 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8042 * toplev.c (decode_g_option): Don't give warning for unknown -g
8043 option; return 0 instead.
8044 (main): If -g option is not recognized by front end or
8045 language-independent code, give warning.
8047 2000-08-28 Greg McGary <greg@mcgary.org>
8049 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
8050 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
8051 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
8053 2000-08-27 Greg McGary <greg@mcgary.org>
8055 * cpplex.c (parse_string): Don't look for backslash
8056 before first char in `namebuf'.
8057 * loop.c (strength_reduce): Skip NOTEs.
8059 2000-08-27 Jason Merrill <jason@redhat.com>
8061 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
8062 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
8063 TREE_ASM_WRITTEN, either.
8064 (finish_decl): Adjust.
8066 2000-08-28 Philipp Thomas <pthomas@suse.de>
8068 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
8069 they have been incorporated into the gettext CVS. Change the text to
8070 reflect the current status of NLS. Add instructions for accessing
8071 the gettext CVS and add the patch from Martin v. Loewis.
8073 2000-08-27 Geoff Keating <geoffk@cygnus.com>
8075 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
8076 by using gen_lowpart_common.
8077 (movdi_internal64+6): Likewise.
8079 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
8081 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
8084 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
8085 numbers to the ranges used by GDB.
8087 2000-08-25 Richard Henderson <rth@cygnus.com>
8089 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
8090 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
8091 (ia64_expand_prologue): Likewise.
8092 (ia64_setup_incoming_varargs): Set it. Properly skip the current
8093 argument for stdargs.
8095 2000-08-25 Jason Merrill <jason@redhat.com>
8097 * integrate.c (expand_inline_function): Pull out the original decl.
8099 2000-08-25 Jim Wilson <wilson@cygnus.com>
8101 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
8103 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
8105 2000-08-25 Greg McGary <greg@mcgary.org>
8107 * flow.c (dump_edge_info): Use ARRAY_SIZE.
8108 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
8110 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
8112 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
8114 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
8116 * i386.c (ix86_find_base_term): New.
8117 * i386-protos.h (ix86_find_base_term): Prototype.
8118 * i386.h (FIND_BASE_TERM): Define.
8119 * alias.c (find_base_term): Use it.
8120 * tm.texi (FIND_BASE_TERM): Document it.
8122 * alias.c (true_dependence, write_dependence_p): Unchanging
8123 memory can't conflict with non-unchanging memory.
8125 * alias.c (memrefs_conflict_p): A BLKmode reference
8126 to a symbol (or CONST_INT address) always conflicts
8127 with a reference to another symbol.
8129 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
8131 * c-common.c (time_char_table): Don't allow width and flags with
8134 2000-08-25 Jakub Jelinek <jakub@redhat.com>
8136 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
8137 way as LT and LTU when the second operand has 0 in low word.
8139 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8141 * basic-block.h (struct loop): Rename `exits' field to
8142 `exit_edges'. Add `entry_edges' and `num_entries' fields.
8144 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
8145 (flow_loop_entry_edges_find): Add.
8146 (flow_edge_list_print): Rename from flow_exits_print.
8147 (flow_loops_find): Call flow_loop_entry_edges_find.
8148 (flow_loop_dump): Dump entry_edges list.
8149 (flow_loops_free): Free entry_edges.
8151 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8153 * loop.c (loop_dump_aux, debug_loop): New functions.
8154 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
8156 * flow.c (flow_loops_dump): Add callback parameter.
8157 (flow_loop_dump): Add callback parameter and call it. Move
8158 loop note debugging code to loop_dump_aux.
8160 * basic-block.h (flow_loop_dump): Add callback parameter
8161 (flow_loops_dump): Likewise.
8163 * toplev.c (rest_of_compilation): Add NULL callback function pointer
8164 to call to flow_loops_dump.
8166 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8168 * loop.c (count_loop_regs_set): Replace start and end arguments
8169 with loop argument. All callers udated.
8171 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8173 * loop.c (constant_high_bytes): Delete.
8175 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8177 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
8178 and NOTE_INSN_LOOP_VTOP to...
8179 (find_and_verify_loops) ...here.
8181 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
8183 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
8184 (fini_dummy, init_dummy): Use it.
8186 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
8188 * cpplex.c (is_macro_disabled): Caller has already checked
8189 that we're not a preprocessed file.
8191 2000-08-24 Mark Mitchell <mark@codesourcery.com>
8193 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
8194 (c-iterate.o): Remove target.
8195 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
8196 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
8197 (finish_decl): Don't handle iterators.
8198 (grokdeclarator): Likewise.
8199 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
8200 * gcc/c-gperf.h: Regenerated.
8201 * gcc/c-iterate.c: Removed.
8202 * gcc/c-lex.c (init_lex): Don't handle iterators.
8203 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
8204 (compstmt_primary_start): Remove push_iterator_stack call.
8205 (stmt): Don't allow iterator statements. Replace iterator_expand
8206 with expand_expr_stmt.
8207 (all_iter_stmt): Remove.
8208 (all_iter_stmt_simple): Likewise.
8209 (all_iter_stmt_with_decl): Likewise.
8210 * gcc/c-tree.h (ITERATOR_P): Remove.
8211 (ITERATOR_BOUND_P): Likewise.
8212 (init_iterators): Remove declaration.
8213 (iterator_expand): Likewise.
8214 (iterator_for_loop_start): Likewise.
8215 (iterator_for_loop_end): Likewise.
8216 (iterator_for_loop_record): Likewise.
8217 (push_iterator_stack): Likewise.
8218 (pop_iterator_stack): Likewise.
8219 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
8220 (readonly_warning): Likewise.
8221 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
8223 2000-08-24 Jim Wilson <wilson@cygnus.com>
8225 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
8226 Copy type in a TYPE_DECL, just like pushdecl does.
8228 2000-08-24 Richard Henderson <rth@cygnus.com>
8230 * toplev.c (main): Enable flag_reorder_blocks at -O2.
8232 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8234 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
8235 asked for one page, allocate GGC_QUIRE_SIZE of them and put
8236 the extras on the free list.
8237 (release_pages): Clean up.
8238 (ggc_set_mark): Don't adjust G.allocated here...
8239 (sweep_pages): ... do it here.
8241 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8243 * cppfiles.c (read_include_file): Rearrange initializations.
8245 2000-08-24 Richard Henderson <rth@cygnus.com>
8247 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
8249 * config/ia64/ia64-protos.h: Update.
8250 * config/ia64/ia64.c (gr_register_operand): New.
8251 (fr_register_operand, grfr_register_operand): New.
8252 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
8253 (grfr_reg_or_8bit_operand): New.
8254 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
8255 use gr_register_operand.
8256 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
8257 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
8258 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
8259 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
8260 (fr_reg_or_fp01_operand): Likewise.
8261 (not_postinc_memory_operand): New.
8262 (ia64_split_timode): Remove unused variables.
8263 (rtx_needs_barrier): Check arguments to cmpxchg.
8264 (builtin_description): Remove.
8265 (bdesc_2argsi, bdesc_2argdi): Remove.
8266 (ia64_init_builtins): Declare all builtins directly.
8267 (ia64_expand_fetch_and_op): Rewrite to be called from
8268 ia64_expand_builtin directly. Use expand_binop and co.
8269 (ia64_expand_op_and_fetch): Likewise.
8270 (ia64_expand_compare_and_swap): Likewise.
8271 (ia64_expand_binop_builtin): Remove.
8272 (ia64_expand_lock_test_and_set): New.
8273 (ia64_expand_lock_release): New.
8274 (ia64_expand_builtin): Use them.
8275 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
8276 (EXTRA_CONSTRAINT): Use it.
8277 (PREDICATE_CODES): Update.
8278 * config/ia64/ia64.md (*): Use gr_register_operand and co.
8279 (mf): Indicate that we set memory as well as use it.
8280 (fetchadd_acq_si): Show memory being modified as well.
8281 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
8282 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
8283 (lock_test_and_set_si, lock_test_and_set_di): Remove.
8284 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
8285 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
8286 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
8287 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
8288 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
8289 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
8290 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
8291 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
8292 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
8293 return type. Pretty print definitions.
8295 2000-08-24 Jim Wilson <wilson@cygnus.com>
8297 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
8298 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
8300 2000-08-24 Jason Merrill <jason@redhat.com>
8302 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
8303 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
8304 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
8305 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
8307 2000-08-24 Greg McGary <greg@mcgary.org>
8309 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
8310 and extendtab within their proper array boundaries.
8311 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
8312 for the entire array.
8314 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
8315 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
8316 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
8317 * config/fr30/fr30.c (fr30_print_operand): Likewise.
8318 * config/i386/dgux.c (output_options): Likewise.
8319 * config/i386/dgux.h (ASM_FILE_START): Likewise.
8320 * config/m88k/m88k.c (output_options): Likewise.
8321 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
8322 * config/mcore/mcore.c (mcore_output_inline_const_forced,
8323 layout_mcore_frame, handle_structs_in_regs): Likewise.
8324 * config/mips/mips.c (output_block_move): Likewise.
8325 * config/rs6000/rs6000.c (rs6000_override_options,
8326 rs6000_file_start): Likewise.
8327 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
8328 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
8329 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
8330 * builtins.c (expand_builtin_setjmp): Likewise.
8331 * expr.c (safe_from_p): Likewise.
8332 * flow.c (life_analysis): Likewise.
8333 * fold-const.c (size_int_type_wide): Likewise.
8334 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
8335 * genattrtab.c (make_length_attrs): Likewise.
8336 * genopinit.c (gen_insn): Likewise.
8337 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
8338 * global.c (global_alloc): Likewise.
8339 * local-alloc.c (find_free_reg): Likewise.
8340 * mips-tdump.c (print_symbol): Likewise.
8341 * mips-tfile.c (parse_def, parse_input): Likewise.
8342 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
8343 * stmt.c (expand_nl_goto_receiver): Likewise.
8344 * stor-layout.c (set_sizetype): Likewise.
8345 * varasm.c (decode_reg_name): Likewise.
8346 * toplev.c (decode_f_option, decode_W_option,
8347 set_target_switch, print_switch_values): Likewise.
8348 (NUM_ELEM): Remove macro.
8349 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
8351 2000-08-24 Greg McGary <greg@mcgary.org>
8353 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
8354 (MAIN_NAME_P, main_identifier_node): New macros.
8355 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
8356 * c-decl.c (start_decl, grokdeclarator, start_function,
8357 store_parm_decls, finish_function): Use MAIN_NAME_P.
8358 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
8359 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
8360 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8361 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
8363 2000-08-24 Greg McGary <greg@mcgary.org>
8365 * cppfiles.c (actual_directory): Don't write beyond `dir'
8366 when it contains "".
8367 * real.c (asctoeg): Stay within bounds of etens[][].
8369 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8371 * dependence.c (dependence_string, direction_string,
8372 dump_one_node, dump_node_dependence): Hide unused identifiers.
8373 (get_low_bound, normalize_coefficients): Match definition to
8375 (get_one_coefficient): Initialize variables `value0_is_idx' and
8377 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
8378 (ziv_test): Delete variable `idx', use parameter `sub' instead.
8379 (direction_merge): Avoid automatic aggregate initialization.
8380 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
8381 Initialize variables `dest_idx' and `src_idx'.
8382 (end_dependence_analysis): Avoid C89 style function definition.
8384 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
8386 * c-common.c (time_char_table): Don't allow width with %F.
8387 (check_format_info): Don't allow "Z" length with scanf.
8389 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
8391 * diagnostic.c (finish_diagnostic): Define.
8392 (output_do_printf): Use wrap_text instead of output_add_string.
8393 (default_print_error_function): Avoid embedded '\n'.
8395 * diagnostic.h (flush_diagnostic_buffer): Declare.
8397 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
8399 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
8401 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
8403 * Makefile.in (GCC_PASSES): Add specs.
8405 2000-08-23 Jim Wilson <wilson@cygnus.com>
8407 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
8408 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
8409 EHANDLER nor UHANDLER bit is set.
8410 (__get_except_table): Likewise.
8412 2000-08-23 Nick Clifton <nickc@redhat.com>
8414 * config/arm/lib1funcs.asm: Replace upper case condition codes
8415 with lower case versions.
8417 * config/arm/arm.h (STRUCT_VALUE): Define.
8418 (STRUCT_VALUE_REGNUM): Delete.
8420 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
8422 * cpphash.h (IN_I): New flag for directive table.
8423 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
8425 (_cpp_check_directive): If -fpreprocessed, execute directives
8426 marked with IN_I. Issue no warnings in this case.
8427 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
8429 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
8431 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
8433 (check_format_info): Support printf 'I' flag; warn about it with
8436 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
8438 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
8439 barrier can't be ignored by the alias analysis code.
8441 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
8443 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
8444 works inside fixincl.
8446 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
8448 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
8449 simplify_relational_operation() unless both operands are of
8451 * cse.c (fold_rtx): Likewise.
8453 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
8455 * rtlanal.c (rtx_unstable_p): The pic register is stable
8456 (within one function) and the actual rtx should be used
8457 when checking the registers.
8458 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
8460 * alias.c (true_dependence, write_dependence_p): Fix
8461 bug in previous patch.
8463 * i386.c (ix86_GOT_alias_set): New.
8464 (legitimize_pic_address): Use it.
8466 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
8467 only stable if its address is stable.
8468 (rtx_varies_p): An unchanging MEM can't vary if
8469 its address doesn't vary.
8471 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8473 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
8475 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8477 * vax.h (ASM_SPEC): Pass `-J' to assembler.
8478 * x-vax-gcc: New file for bootstrapping with gcc.
8479 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
8480 * configure.in: Use x-vax-gcc with gcc.
8481 * configure: Rebuilt.
8483 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8485 * toplev.c (rest_of_compilation): Rebuild label notes after
8486 post-reload splitting pass if new labels have been created.
8488 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8490 * diagnostic.h (output_buffer_state): New macro.
8491 * diagnostic.c (diagnostic_for_decl, sorry,
8492 default_print_error_function, output_do_verbatim,
8493 report_diagnostic, report_problematic_module): Use it.
8495 (output_format): Use wrap_text instead of maybe_wrap_text.
8497 2000-08-22 Nick Clifton <nickc@redhat.com>
8499 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
8500 Common code for ARM divide and modulus functions.
8501 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
8503 (FUNC_END): New macro: Common code at the end of the division and
8505 (THUMB_FUNCTION_START): New macro: Common code at the start of
8507 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
8509 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
8511 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
8513 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
8514 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
8517 2000-08-22 Nick Clifton <nickc@redhat.com>
8519 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
8520 restorative additions, test for bottom bits of IP being set,
8521 rather than relying upon the RORs not matching.
8524 2000-08-22 David Edelsohn <edelsohn@gnu.org>
8526 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
8527 text_section() as appropriate instead of emitting text csect
8529 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
8530 (UNIQUE_SECTION): Define macro.
8531 (ASM_OUTPUT_SECTION_NAME): Define macro.
8532 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
8533 on AIX if debugging and -fdata-sections always.
8535 2000-08-22 Steven King <sxking@uswest.net>
8537 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
8539 (LDBL_MAX): Same here.
8541 2000-08-22 Richard Henderson <rth@cygnus.com>
8543 * flow.c (tidy_fallthru_edge): Update b->end properly.
8545 2000-08-22 Stan Cox <scox@redhat.com>
8547 * Makefile.in (OBJS): Add dependence.o.
8548 * dependence.c: New file.
8550 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
8552 * calls.c (check_sibcall_argument_overlap_1): Adjust for
8554 (check_sibcall_argument_overlap): Likewise.
8556 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
8558 * invoke.texi (SH Options): Document -m4-nofpu,
8559 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
8560 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
8562 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
8564 * c-common.c (check_format_info): Give the 'some locales' warning
8565 for strftime %Ey rather than the unconditional 'only last 2 digits
8568 2000-08-22 Richard Henderson <rth@cygnus.com>
8570 * alias.c (init_alias_analysis): Do not register
8571 struct_value_incoming_rtx or static_chain_rtx as pointing
8574 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
8576 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
8578 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8580 * diagnostic.h (report_problematic_module): Declare.
8581 * diagnostic.c (report_problematic_module): New function.
8582 (report_error_function): Tweak.
8584 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8586 * stmt.c (expand_goto_internal, fixup_gotos): Only check
8587 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8589 2000-08-21 Richard Henderson <rth@cygnus.com>
8591 * flow.c (calculate_global_regs_live): Mark frame pointer live
8592 everywhere before reload.
8594 2000-08-21 Jim Wilson <wilson@cygnus.com>
8596 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
8597 INTEL_EXTENDED_IEEE_FORMAT.
8598 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
8599 clear last two bytes of output FP value.
8601 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
8603 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
8605 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8607 * unroll.c (loop_find_equiv_value): If ret is modified between
8608 insn and loop_start, ret might not be equivalent to reg.
8610 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8612 * c-common.c (init_dollar_format_checking,
8613 maybe_read_dollar_number, finish_dollar_format_checking): New
8615 (dollar_arguments_used, dollar_arguments_count,
8616 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
8618 (check_format_info): Support $ formats for scanf and printf width
8619 and precision. Always increment format_chars to advance past the
8620 '*' of precision, not just when the format parameters are
8623 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8625 * mips.c (block_move_loop, expand_block_move,
8626 function_arg_partial_nregs, save_restore_insns, function_prologue,
8627 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
8629 (function_arg_advance, function_arg): Match argument to format
8632 2000-08-21 Nix <nix@esperi.demon.co.uk>
8634 * gcc.c (do_spec_1): Implement %j spec flag.
8635 Remove dead comment.
8637 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
8638 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
8639 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
8640 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
8642 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
8643 writable) instead of hardcoded value.
8645 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
8647 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
8650 * gcc.c (cc1_options): Do not process -o or run the assembler if
8652 * objc/lang-spec.h: Likewise.
8654 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
8656 * fixinc/fixincl.c (fix_with_system): Pipe the output of
8657 "external" fixes through `cat', to avoid truncating the input
8658 file by redirection.
8660 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8662 * config/i386/i386.md (lea_general_1): Copy insn condition to split
8664 (lea_general_2, lea_general_3): Likewise.
8666 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8668 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
8669 warnings to user code.
8671 * c-lex.c (readescape, yylex): Likewise.
8673 * c-typeck.c (store_init_value, process_init_element): Likewise
8674 (c_expand_start_case): Format.
8676 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
8678 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
8680 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
8681 and linker_endian_spec to endian_spec.
8682 (ENDIAN_SPEC): Add %{EB} and %{EL}.
8683 (LINK_SPEC): Remove %{EB} and %{EL}.
8684 (ASM_SPEC): Likewise. Use %(endian_spec).
8686 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8688 * c-tree.h (flag_hosted): Move declaration from here...
8689 * c-common.h (flag_hosted): ... to here.
8690 (flag_noniso_default_format_attributes): New declaration.
8691 * c-decl.c (flag_noniso_default_format_attributes): New variable.
8692 (c_decode_option): Set it appropriately for options choosing
8693 language standard variant.
8694 * c-common.c (init_function_format_info): Only provide default
8695 format attributes if flag_hosted. Only provide the gettext
8696 formats if flag_noniso_default_format_attributes. Update
8698 (check_format_info): Disable treatment of %a as a scanf flag in
8701 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8703 * c-common.c (scan_char_table): Add 'w' to flags for all formats
8705 (check_format_info): Set 'wide' for scanf format widths. Warn for
8706 a zero scanf width. Make the check for writing into a constant
8707 object at the first level of indirection; at later levels, warn if
8708 any type qualifiers are encountered.
8710 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
8712 * reload.c (reload_inner_reg_of_subreg): New function broken out of
8714 (push_reload): Use reload_inner_reg_of_subreg.
8715 (combine_reloads): Do not combine reloads if the input reload
8716 is a SUBREG in which the inner part will need reloading.
8718 * global.c (global_alloc): Avoid passing dumpfile argument to
8720 * toplev.c (rest_of_compilation): Likewise.
8721 * reload.h (reload): Remove dumpfile argument. Callers changed.
8722 (debug_reload, debug_reload_to_stream): Move prototypes here.
8723 * rtl.h (reload): Remove dumpfile argument.
8724 * reload.c (debug_reload): Remove prototype.
8725 (debug_reload_to_stream): Likewise.
8726 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
8729 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8731 * diagnostic.c (context_as_prefix): Export.
8732 (need_error_newline): Remove.
8733 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
8734 (error_module_changed, record_last_error_module,
8735 error_function_changed, record_last_error_function): New functions.
8736 (initialize_diagnostics): Default intialize
8737 lang_diagnostic_starter, lang_diagnostic_finalizer.
8738 (init_output_buffer): Tweak.
8739 (file_name_as_prefix): New function.
8740 (announce_function, default_print_error_function,
8741 report_error_function, set_diagnostic_context): Tweak.
8743 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
8745 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
8746 condition expression.
8748 2000-08-20 Richard Henderson <rth@cygnus.com>
8750 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
8752 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
8754 * cppinit.c (cpp_init): Set global flag when called.
8755 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
8757 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
8759 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
8760 before `process_directive' so that newlines won't be missed
8762 (cpp_printf): Increment `print->lineno' when newline is emitted.
8764 * cppmain.c (cb_ident): Likewise.
8765 (cb_define): Likewise.
8766 (cb_undef): Likewise.
8767 (cb_include): Likewise.
8768 (cb_def_pragma): Likewise.
8769 (dump_macros_helper): Likewise.
8771 2000-08-20 Richard Henderson <rth@cygnus.com>
8773 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
8774 assigned before a loop.
8776 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
8777 (ashrsi3, lshrsi3): Likewise.
8779 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8781 * c-lang.c: #include diagnostic.h
8782 (c_tree_printer): New function.
8783 (lang_init): Initialize lang_printer.
8785 * Makefile.in (c-lang.o): Depends on diagnostic.h
8787 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8789 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
8791 * diagnostic.c (default_diagnostic_starter,
8792 default_diagnostic_finalizer): New functions.
8793 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
8794 (pedwarn, pedwarn_with_file_and_line, error,
8795 error_with_file_and_line, fatal, warning,
8796 warning_with_file_and_line): Adjust call to report_diagnostic.
8797 (report_diagnostic): Rework.
8798 (set_diagnostic_context): New function.
8800 * diagnostic.h (struct diagnostic_context): New data structure.
8801 (diagnostic_message, diagnostic_argument_list,
8802 diagnostic_file_location, diagnostic_line_location,
8803 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
8804 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
8805 (set_diagnostic_context): Declare.
8806 (report_diagnostic): Change prototype.
8808 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
8810 * fix-header.c (main): Initialize cpplib.
8812 2000-08-19 Michael Meissner <meissner@redhat.com>
8814 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
8815 instructions in it before checking for indirect jumps.
8817 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
8818 in a indirect jump as a potential for conditional execution.
8820 * d30v.h (d30v_init_expanders): Don't declare here.
8821 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
8824 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
8826 * cpp.texi: Add @section for assertions.
8828 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
8830 * loop.c (scan_loop): Use CONST_CALL_P instead of
8831 checking for REG_LIBCALL / REG_RETVAL.
8833 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
8835 * reload1.c (reload_as_needed): Accept dumpfile argument,
8836 pass it to emit_reload_insns.
8837 (emit_reload_insns): Add new dumpfile argument. If non-null
8838 then dump the reloads for each insn into the dumpfile.
8839 (reload): Pass dumpfile to reload_as_needed.
8841 * invoke.texi: Clean up linux-gnu vs linux comments.
8843 2000-08-19 Richard Henderson <rth@cygnus.com>
8845 * config/ia64/ia64.c (reg_or_5bit_operand): New.
8846 (ia64_depz_field_mask): New.
8847 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
8848 (PREDICATE_CODES): Update.
8849 * config/ia64/ia64.md: Update commentary.
8850 (depz_internal): New.
8851 (ashlsi3): Implement directly.
8852 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
8853 (ashldi3): Use shladd.
8854 * config/ia64/ia64-protos.h: Update.
8856 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8858 * toplev.c (independent_decode_option): Always process -g.
8859 Remove third argument, now unused. Adjust caller to match.
8861 2000-08-18 Richard Henderson <rth@cygnus.com>
8863 * combine.c (make_compound_operation): Break after creating
8866 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8868 * cpplib.c (cpp_register_pragma_space): Just return if the
8869 namespace is already registered.
8871 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
8873 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
8874 constant amount. Do not generate ROTL instruction.
8876 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
8878 * config/sh/elf.h: Do not include sh/sh.h.
8879 * config/sh/rtems.h: Likewise.
8880 * config/sh/rtemself.h: Do not include sh/elf.h.
8881 * configure.in: Get them included with `tm_file's.
8882 * configure: Rebuilt.
8884 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
8885 * config/sh/sh.c (fpscr_set_from_mem): Use them.
8887 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8889 * stor-layout.c (compute_record_type): Don't use mode of single
8890 field as mode of record if not integer mode of same type.
8892 * regmove.c (perhaps_ends_bb_p): New function.
8893 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
8894 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
8895 (fixup_match_1): Likewise.
8896 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8897 avoid signed/unsigned warnings.
8899 * function.c (fixup_var_refs_1, case MEM): Update CODE after
8902 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
8904 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
8905 (_cpp_trigraph_map): Declaration moved from cpplex.c
8907 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
8908 instead of 256. Use consistent test for designated initializers.
8909 (cpp_init): Initialize trigraph_map.
8910 (initialize_standard_includes, parse_option): Use memcmp
8913 * cpplex.c (init_trigraph_map): Remove.
8914 (trigraph_ok, trigraph_replace, lex_line): Refer to
8917 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8918 (do_unassert): Remove unused "next" local.
8920 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8922 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8924 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8927 2000-08-17 Richard Henderson <rth@cygnus.com>
8929 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8930 the first insn in a sequence.
8932 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
8934 * alias.c (true_dependence, write_dependence_p): A read
8935 involving a label_ref or the constant pool doesn't create
8938 * rtl.h (unchanging): Improve documentation.
8940 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
8942 * cse.c (insert_regs): Remove unused `regno'.
8944 2000-08-17 Neil Booth <NeilB@earthling.net>
8946 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
8947 remove_dup_dirs. If qtail == brack, remove brack not
8949 (remove_dup_dir, remove_dup_dirs): New functions.
8951 2000-08-17 Neil Booth <NeilB@earthling.net>
8953 * cppinit.c (cpp_cleanup): Free include dir chains.
8954 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
8955 (do_unassert): Free the assert with _cpp_free_definition.
8956 * cppmacro.c (_cpp_free_definition): Free memory allocated for
8957 assertions. Make the node a T_VOID node.
8959 2000-08-17 Neil Booth <NeilB@earthling.net>
8961 * cppinit.c (path_include, append_include_chain):
8962 Remove 2nd parameter (struct cpp_pending *).
8963 (path_include, initialize_standard_includes, cpp_handle_option):
8964 Update callers appropriately.
8965 (cpp_handle_option): Use pend.
8967 2000-08-17 Neil Booth <NeilB@earthling.net>
8969 * cppinit.c (sort_options): Remove, put functionality in
8972 (initialize_builtins): Free memory.
8973 (cpp_start_read): Move init_IStable to cpp_init.
8975 * cpplib.h (cpp_init): New prototype.
8976 * cppmain.c (main): Call cpp_init.
8978 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
8980 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
8981 (rtx_unstable_p, rtx_varies_p): Process vectors.
8983 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8985 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
8986 references to GLOBAL symbols. Use LOCAL where appropriate.
8988 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8990 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
8991 use t-aix41 when host == target.
8993 2000-08-16 Richard Henderson <rth@cygnus.com>
8995 * reload.c (push_secondary_reload): Revert last change.
8996 If we use a reload_in/out pattern, make the when the same
8997 as the primary reload.
8998 (find_reloads): Likewise.
9000 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
9002 * configure.in (libstdcxx-v3): Fix test.
9003 * configure: Regenerate.
9005 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9007 * calls.c (calls_function_1, expand_call): Only test
9008 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
9009 * function.c (thread_prologue_and_epilogue_insns): Likewise.
9011 2000-08-16 Richard Henderson <rth@cygnus.com>
9013 * combine.c (simplify_shift_const): Revert previous two
9014 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
9015 before the main loop.
9017 2000-08-15 Richard Henderson <rth@cygnus.com>
9019 * combine.c (simplify_shift_const): Bound shift count when
9022 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9024 * calls.c (ECF_SP_DEPRESSED): New macro.
9025 (calls_function_1): Treat calling sp-depressed function as alloca.
9026 (emit_call_1): Don't adjust SP if calling sp-depressed function.
9027 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
9028 If sp-depressed, ensure block saves and restores SP.
9029 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
9031 * function.c (keep_stack_depressed): New function.
9032 (thread_prologue_and_epilogue_insns): Call it.
9033 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
9034 to print DECL_OFFSET_ALIGN.
9035 Print no-force-blk and transparent-union flags properly.
9036 * stmt.c (expand_goto_internal): Don't restore stack if last block
9037 and function returns with sp depressed.
9038 (fixup_gotos): Likewise.
9039 (save_stack_pointer): New function, from code in expand_decl.
9040 (expand_decl): Call new function.
9041 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
9042 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
9043 (save_stack_pointer): New declaration.
9045 * diagnostic.c (fatal_function): New variable.
9046 (set_fatal_function): New function.
9048 * diagnostic.h (set_fatal_function): New declaration.
9050 2000-08-15 William Cohen <wcohen@redhat.com>
9052 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
9053 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
9054 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
9056 2000-08-15 Richard Henderson <rth@cygnus.com>
9058 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
9060 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9062 * arm.c (arm_function_ok_for_sibcall): New function.
9063 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
9064 * arm.md (call expanders): Don't check here for calls that can't
9067 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9069 * arm.md (splits generating cond_exec): Disable.
9071 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9073 * arm/linux-elf.h (text_section): Delete declaration.
9075 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9077 ARM support for unordered FP operations.
9078 * arm-protos.h (arm_comparison_operator): Declare.
9079 * arm.c (arm_comparison_operator): New function.
9080 (arm_select_cc_mode): Add unordered comparison codes.
9081 (get_arm_condition_code): Likewise.
9082 (arm_final_prescan_insn): Can't handle unordered jumps that can't
9083 be done in one insn.
9084 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
9085 * arm.md (all uses of comparison_operator): Replace with
9086 arm_comparison_operator.
9087 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
9089 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
9092 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9094 * gthr-posix.h: Conditionally include <sched.h>; include
9095 <config.h> from libobjc/.
9097 2000-08-14 Richard Henderson <rth@cygnus.com>
9099 * config/i386/i386.c (legitimize_pic_address): Use Pmode
9102 2000-08-14 Richard Henderson <rth@cygnus.com>
9104 * configure.in (ia64-*): Set float_format for i386 long double.
9106 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
9107 as we would for i386 XFmode.
9108 (PUT_REAL): Likewise.
9109 (endian, ereal_atof, real_value_truncate): Likewise.
9110 (ereal_isneg, toe64, etens, make_nan): Likewise.
9111 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
9113 * config/ia64/ia64-protos.h: Update.
9114 * config/ia64/ia64.c (general_tfmode_operand): New.
9115 (destination_tfmode_operand): New.
9116 (tfreg_or_fp01_operand): New.
9117 (ia64_split_timode): New.
9118 (spill_tfmode_operand): New.
9119 (ia64_expand_prologue): Use TFmode not XFmode.
9120 (ia64_expand_epilogue): Likewise.
9121 (ia64_function_arg): Likewise.
9122 (ia64_function_arg_advance): Likewise.
9123 (ia64_return_in_memory): Likewise.
9124 (ia64_function_value): Likewise.
9125 (ia64_print_operand): Likewise.
9126 (ia64_register_move_cost): Set GR<->FR to 5.
9127 (ia64_secondary_reload_class): Get GR for TImode memory op.
9128 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
9129 (ROUND_TYPE_ALIGN): Remove.
9130 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
9131 (INTEL_EXTENDED_IEEE_FORMAT): Define.
9132 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
9133 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
9134 (MODES_TIEABLE_P): Use TFmode, not XFmode.
9135 (CLASS_MAX_NREGS): Likewise.
9136 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
9137 (PREDICATE_CODES): Update.
9138 * config/ia64/ia64.md (movti): New.
9139 (movti_internal): Use a clobber for memory alternatives.
9140 (reload_inti, reload_outti): New.
9141 (movsfcc_astep): Predicate properly.
9142 (movdfcc_astep): Likewise.
9145 (extendsftf2, extenddftf2): New.
9146 (trunctfsf2, trunctfdf2): New.
9147 (floatditf2, fix_trunctfdi2): New.
9148 (floatunsditf2, fixuns_trunctfdi2): New.
9149 (addtf3, subtf3, multf3, abstf2): New.
9150 (negtf2, nabstf2, mintf3, maxtf3): New.
9151 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
9153 (fr_spill): Use TFmode, not XFmode.
9154 (fr_restore): Likewise.
9155 * config/ia64/lib1funcs.asm (__divtf3): New.
9156 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
9158 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9160 * cse.c (fold_rtx): Avoid empty body in an if-statement.
9162 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
9163 `U' integer constant suffix.
9165 * dwarf2out.c (add_subscript_info): Avoid empty body in an
9168 * sparc/sol2.h (__enable_execute_stack): Prototype.
9170 2000-08-14 David Edelsohn <edelsohn@gnu.org>
9172 * collect2.c: Remove use of AIX import file.
9174 * longlong.h: Test ARCH_PWR not ARCH_POWER.
9176 * rs6000.c (print_operand, case 'E'): Add else.
9178 2000-08-14 Richard Henderson <rth@cygnus.com>
9180 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
9181 (movdi_symbolic): New.
9183 2000-08-14 Jim Wilson <wilson@cygnus.com>
9185 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9186 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
9187 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9190 2000-08-14 Richard Henderson <rth@cygnus.com>
9192 * expr.c (emit_group_load): Don't force constants into registers.
9193 Special case source already in the correct mode.
9195 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
9197 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
9198 * fixinc/inclhack.def: Likewise.
9199 * fixinc/mkfixinc.sh: Likewise.
9200 * configure: Regenerate.
9201 * fixinc/fixincl.x: Regenerate.
9202 * install.texi: Document equivalence of linux and linux-gnu.
9204 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9206 * cse.c (insert_regs): Also in REG case: When finding an invalid
9207 value, and we make a new quantity, make sure that it won't be
9208 mistaken by for a valid one by mention_regs.
9210 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
9212 * h8300.md: Remove obsolete peepholes.
9214 2000-08-13 Kazu Hirata <kazu@hxi.com>
9216 * invoke.texi (H8/300 Options): Fix typos.
9217 * config/h8300.c: Fix formatting.
9218 * config/h8300.h: Fix comment typos.
9219 (OVERRIDE_OPTIONS): Fix formatting.
9221 * function.c: Fix formatting.
9223 * cse.c: Fix formatting.
9225 2000-08-13 Geoff Keating <geoffk@cygnus.com>
9227 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
9228 (attempt_auto_inc): Suppress parentheses warning.
9229 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
9230 * loop.c (load_mems): Remove `u' suffix in two places.
9231 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
9233 * config/rs6000/rs6000.h: Likewise.
9234 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
9235 __eabi dummy routine.
9236 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
9239 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
9240 not put stuff in .sdata unnecessarily.
9241 (rs6000_unique_section): New function.
9242 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
9243 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
9245 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
9246 arrays in C99. Don't try to look at DECL_REGISTER of a
9247 COMPONENT_REF. Don't complain twice about the same error.
9249 * fixinc/inclhack.def (aix_pthread): New fix.
9250 (aix_sysmachine): New fix.
9251 * fixinc/fixincl.x: Regenerate.
9253 * expr.c (expand_expr): Call convert_modes when turning a large
9254 multiply into a small one.
9256 2000-08-12 Geoff Keating <geoffk@cygnus.com>
9258 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
9259 the tree structure an exponent rather than an explicit alignment
9260 so it doesn't overflow.
9261 (SET_DECL_OFFSET_ALIGN): New macro.
9262 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
9263 rather than DECL_OFFSET_ALIGN.
9264 (place_field): Likewise.
9265 * expmed.c (store_bit_field): Abort on align==0 to avoid
9266 antisocial machine behaviour.
9268 2000-08-12 Richard Henderson <rth@cygnus.com>
9270 * sibcall.c (uses_addressof): Accept both addressof and
9271 current_function_internal_arg_pointer inside a mem.
9272 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
9273 if current_function_uses_addressof.
9274 * stmt.c (expand_return): Kill tail recursion and HAVE_return
9277 2000-08-11 Richard Henderson <rth@cygnus.com>
9279 * config/ia64/ia64.md (addsi3): Remove expander.
9280 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
9281 (*addsi3_shladd): New.
9283 2000-08-11 Richard Henderson <rth@cygnus.com>
9285 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
9286 (do_restore): Likewise.
9287 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
9288 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
9289 (rtx_needs_barrier): Track actual bit manipulation for
9290 ar.unat moves, gr_spill, and gr_restore.
9291 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
9292 (process_set): Don't handle varargs spills.
9293 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
9294 .mem.offset here instead of in process_set.
9295 (gr_restore): Likewise.
9297 2000-08-11 Richard Henderson <rth@cygnus.com>
9299 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
9301 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9303 * gcc.texi (The Configuration File): Document
9304 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
9305 UPDATE_PATH_HOST_CANONICALIZATION.
9307 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9309 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
9310 unprototyped function pointer casts on integer constants.
9312 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
9314 * fixproto: Recognize DOS paths with drive letters as absolute paths.
9316 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
9318 * extend.texi (Volatiles): Fix typos.
9320 2000-08-11 Kazu Hirata <kazu@hxi.com>
9322 * flow.c: Fix formatting.
9324 2000-08-11 Richard Henderson <rth@cygnus.com>
9326 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
9327 pattern, always allocate a tertiary scratch register.
9329 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
9330 (reload_inhi): Likewise.
9332 2000-08-11 Richard Henderson <rth@cygnus.com>
9334 * function.c (put_reg_into_stack): Allow type to be NULL.
9335 (schedule_fixup_var_refs): Likewise.
9336 (gen_mem_addressof): Allow decl to be NULL.
9337 (put_addressof_into_stack): Likewise.
9339 * flow.c (merge_blocks_nomove): Be more careful about
9340 locating the beginning of block A.
9342 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
9344 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9349 * config.in: Reverted the check for <sched.h>.
9351 2000-08-10 Chris Demetriou <cgd@sibyte.com>
9353 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
9354 macros define the name of CTOR and DTOR sections.
9355 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9356 DTOR_LIST_END): Change to use attributes to specify
9358 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
9359 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9360 DTOR_LIST_END): Same as in mips/elf.h.
9362 2000-08-10 Drew Moseley <dmoseley@redhat.com>
9364 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
9365 disabling just crt0.o.
9367 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
9369 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
9370 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
9371 (EXTRA_SPECS): Add them.
9372 * arm/lib1funcs.asm: Support builds for interworking.
9373 Use macros to eliminate duplicated pieces of code.
9375 2000-08-10 Kazu Hirata <kazu@hxi.com>
9377 * h8300.c (expand_a_rotate): New.
9378 (emit_a_rotate): Likewise.
9379 (h8300_adjust_insn_length): Add support for the rotate insns.
9380 * h8300.md (rotlqi3): New.
9381 (*rotlqi3_1): Likewise.
9382 (rotlhi3): Likewise.
9383 (*rotlhi3_1): Likewise.
9384 (rotlhi3): Likewise.
9385 (*rotlhi3_1): Likewise.
9386 * h8300-proto.h: Add prototypes for expand_a_rotate and
9389 * h8300.c: Fix comment typos.
9390 (dosize): Declare the variable amount as unsigned.
9391 (get_shift_alg): Fix a comparison between signed and unsigned.
9392 (emit_a_shift): Likewise.
9393 (h8300_adjust_insn_length): Simplify the code.
9395 * c-decl.c: Fix formatting.
9397 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9399 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
9400 warning about non-traditional numeric constant suffixes.
9402 * cppexp.c (parse_number): Likewise.
9404 * invoke.texi: (-Wtraditional): Document new behavior.
9406 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9408 * gthr-posix.h: Include auto-host.h. Conditionally include
9410 * configure.in: Check for the <sched.h> header file.
9411 * config.in: Added define for HAVE_SCHED_H.
9413 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9415 * c-typeck.c (process_init_element): For -Wtraditional, warn about
9416 initialization of unions.
9418 * invoke.texi (-Wtraditional): Document new behavior.
9420 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
9422 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
9423 instead of extra_c_flags.
9424 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
9425 * configure: Regenerate.
9426 * config.in: Regenerate.
9428 * cpperror.c (cpp_type2name): New function.
9429 * cpplex.c (lex_line): If we issued an error for an invalid
9430 preprocessing directive, discard that logical line.
9431 * cpplib.c (do_line): Call a hook function if the current file
9432 is renamed by #line.
9433 (do_ident): Pass the contents of the string, not the entire
9434 token, to the callback function.
9435 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
9436 (cb.rename_file): New hook function.
9437 (cb.ident): Adjust prototype.
9438 (cpp_type2name): Prototype.
9439 * cppmacro.c (dump_macro_args): Correct precedence lossage.
9441 * cppmain.c (cb_ident): Update for changed interface.
9442 (cb_rename_file): New function.
9443 (main): Set rename callback.
9445 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
9447 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
9448 multi-word registers.
9450 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9452 * c-common.c (combine_strings, check_format_info): Refer to ISO C
9453 or ISO C89 instead of ANSI C.
9454 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
9455 build_enumerator, do_case): Likewise.
9456 * c-lex.c (parse_float, yylex): Likewise.
9457 * c-parse.in: Likewise.
9458 * c-typeck.c (common_type, build_array_ref, build_binary_op,
9459 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
9460 build_c_cast, convert_for_assignment, set_init_index,
9461 set_init_label, c_expand_start_case): Likewise.
9462 * toplev.c (documented_lang_options, display_help): Likewise.
9464 2000-08-08 Kazu Hirata <kazu@hxi.com>
9466 * h8300.c: Fix formatting.
9467 * h8300.h: Likewise.
9468 * h8300.md: Likewise.
9469 (movsi_h8300hs): Fix formatting of the resulting assembly code.
9471 * reload1.c: Fix formatting.
9473 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
9475 * alpha/alpha.c (alpha_emit_xfloating_libcall):
9476 Use GEN_CALL_VALUE define.
9477 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
9478 * clipper/clipper.md (untyped_call): Likewise.
9479 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
9480 * fx80/fx80.md (untyped_call): Likewise.
9481 * mips/mips.md (untyped_call): Likewise.
9482 * ns32k/ns32k.md (untyped_call): Likewise.
9483 * pa/pa.md (untyped_call): Likewise.
9484 * romp/romp.md (untyped_call): Likewise.
9485 * sparc/sparc.md (untyped_call): Likewise.
9487 2000-08-08 Jason Eckhardt <jle@cygnus.com>
9489 * config/i860/i860.c (singlemove_string): Do not generate assembler
9490 pseudo instructions that must be expanded (that is, with signed
9491 constants larger than 16 bits).
9493 2000-08-08 Richard Henderson <rth@cygnus.com>
9495 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
9496 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
9497 (init_propagate_block_info): Don't kill memory stores at -O0.
9498 (mark_set_1, mark_used_regs): Likewise.
9500 2000-08-08 David Edelsohn <edelsohn@gnu.org>
9502 * rs6000.c (optimization_options): Decorate 'level' as
9504 (mask64_operand): Remove sign-extend thinko.
9505 (rldic_operand): New function.
9506 (load_multiple_operation): regno's are unsigned ints.
9507 (store_multiple_operation): Likewise.
9508 (lmw_operation): Likewise.
9509 (stmw_operation): Likewise.
9510 (includes_lshift_p): shift_mask is unsigned int.
9511 (includes_lshift64_p): New function.
9512 (addrs_ok_for_quad_peep): unsigned int reg1.
9513 (print_operand): Consistently add "else" after
9514 output_operand_lossage().
9515 (print_operand, case 'b'): Fold in case 'W'.
9516 (print_operand, case 'W'): Print rldic MB value.
9517 (output_epilogue): Update Objective-C language string.
9518 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
9519 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
9520 * rs6000.md (ashldi3): Add rldic instruction.
9521 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
9522 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
9525 2000-08-08 Richard Henderson <rth@cygnus.com>
9527 * config/ia64/ia64-protos.h: Remove duplicates. Update
9528 for massive code rearrangements.
9529 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
9530 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
9531 (ia64_local_regs, ia64_need_regstk): Remove.
9532 (ar_ccv_reg_operand): New.
9533 (ia64_gp_save_reg): New.
9534 (struct ia64_frame_info): Combine most of the size elements;
9535 add new gr save elements.
9536 (find_gr_spill): New.
9537 (next_scratch_gr_reg): New.
9538 (mark_reg_gr_used_mask): New.
9539 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
9540 to GR backing store regs when possible.
9541 (ia64_initial_elimination_offset): New.
9542 (ia64_rap_fp_offset): Remove.
9543 (save_restore_insns): Remove.
9544 (setup_spill_pointers): New.
9545 (finish_spill_pointers): New.
9546 (spill_restore_mem): New.
9547 (do_spill, do_restore): New.
9548 (ia64_expand_prologue): Rewrite to use them.
9549 (ia64_expand_epilogue): Likewise.
9550 (ia64_direct_return): Update for current_frame_info changes.
9551 (ia64_function_prologue): Simplify .prologue emission. Emit
9553 (ia64_setup_incoming_varargs): Don't ever emit rtl.
9554 (ia64_dbx_register_number): New.
9555 (ia64_initialize_trampoline): New.
9556 (ia64_secondary_reload_class): Request GR_REGS for integer
9557 arithmetic destined for FR_REGS.
9558 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
9559 (ia64_mark_machine_status): Mark ia64_gp_save.
9560 (rws_access_regno): Rename from rws_access_reg; don't treat
9561 predicates specially.
9562 (rws_access_reg): New. Update all callers.
9563 (rtx_needs_barrier): Remove dead unspecs.
9564 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
9565 (ia64_encode_section_info): Silence signed/unsigned warnings.
9566 (spill_offset, sp_offset, spill_offset_emitted): Remove.
9567 (tmp_reg, tmp_saved): Remove.
9568 (process_set): Rewrite to expect complicated bits via
9569 REG_FRAME_RELATED_EXPR.
9570 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
9571 in the use of ar.ccv; never set RTX_UNCHANGING_P.
9572 (ia64_expand_op_and_fetch): Likewise.
9573 (ia64_expand_compare_and_swap): Likewise.
9574 (ia64_expand_builtin): Likewise.
9575 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
9576 (FIRST_PSEUDO_REGISTER): Update.
9577 (AR_M_REGNO_P): Update.
9578 (FIXED_REGS): Don't mark three local registers as used.
9579 (EXTRA_CC_MODES): New.
9580 (SELECT_CC_MODE): New.
9581 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
9582 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
9583 (FRAME_GROWS_DOWNWARD): Unset.
9584 (STARTING_FRAME_OFFSET): Zero.
9585 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
9586 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
9587 (HARD_FRAME_POINTER_REGNUM): New.
9588 (CAN_DEBUG_WITHOUT_FP): Define.
9589 (TRAMPOLINE_TEMPLATE): Remove.
9590 (TRAMPOLINE_SIZE): Lower to 32.
9591 (TRAMPOLINE_ALIGNMENT): Lower to 64.
9592 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
9593 (PREDICATE_CODES): Update.
9594 (struct machine_function): Add ia64_gp_save.
9595 * config/ia64/ia64.md: Purge unused unspecs.
9596 (movsi patterns): Allow moves to/from AR_M_REGS.
9597 (movdi patterns): Allow moves to/from p0.
9598 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
9599 (gr_spill, gr_restore): Indicate ar.unat read/written.
9600 (nonlocal_goto): Don't pass old frame_pointer.
9601 (nonlocal_goto_receiver): Remove.
9602 (exception_receiver): New.
9603 (builtin_setjmp_setup): New.
9604 (builtin_setjmp_receiver): New.
9605 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
9606 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
9607 (__ia64_restore_stack_nonlocal): Likewise.
9608 (__ia64_trampoline): New.
9609 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
9611 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
9613 2000-08-08 Richard Henderson <rth@cygnus.com>
9615 * frame.h (ia64_frame_state): Add my_psp.
9616 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
9617 (__throw): Pass it in. Don't clobber r7.
9618 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
9619 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
9620 and nothing to do with sp.
9621 (normalize_reg_loc): Use frame->my_psp.
9622 (frame_translate): Handle frame-pointer-less functions. Set
9623 spill_base correctly, in absence of being told.
9624 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
9625 (__ia64_backtrace_helper): New sp argument. Use
9626 builtin_return_address instead of label addresses.
9627 (print_record) [mem_stack_v]: No size member.
9629 2000-08-08 Richard Henderson <rth@cygnus.com>
9631 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
9633 2000-08-08 Richard Henderson <rth@cygnus.com>
9635 * tm.texi (LOCAL_REGNO): Document.
9636 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
9637 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
9638 * reload1.c (reload): Likewise when considering nonlocal labels.
9640 * config/ia64/ia64.h (LOCAL_REGNO): New.
9641 * config/sparc/sparc.h (LOCAL_REGNO): New.
9643 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9645 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
9647 2000-08-07 Nick Clifton <nickc@redhat.com>
9649 * config/mips/mips.c: Fix compile time warning messages.
9650 * config/mips/mips-protos.h: Add prototype for equality_op.
9652 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
9654 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
9656 * mn10300.md: Use nonimmediate_operand instead of general_operand
9659 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
9661 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
9663 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
9664 * sh.c (expand_block_move): Break long lines.
9665 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
9666 * sh.md (mulsi3): Likewise.
9667 (movdi): Adjust spacing.
9669 2000-08-07 Richard Henderson <rth@cygnus.com>
9671 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
9672 * expr.c (emit_group_store): Don't set it.
9674 2000-08-07 Kazu Hirata <kazu@hxi.com>
9676 * invoke.texi (Options for Debugging Your Program or GCC): Remove
9677 duplicate entries for 'w' and 'z'.
9679 * flow.c: Fix a comment typo.
9681 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9683 * c-parse.in: Changed the language string for Objective-C to "GNU
9686 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9688 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
9689 to improve the Posix thread support for Objective-C.
9691 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
9693 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
9694 CTI_UNSIGNED_PTRDIFF_TYPE.
9695 (signed_size_type_node): Define.
9696 (unsigned_ptrdiff_type_node): Define.
9697 * c-decl.c (init_decl_processing): Create the
9698 signed_size_type_node and unsigned_ptrdiff_type_node types.
9699 * c-common.c (T_SC): Define.
9702 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
9703 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
9705 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
9706 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
9707 flags for %c, %s and %[.
9708 (check_format_info): Only allow leniency for signedness of targets
9709 of character pointers (when pedantic) for formats flagged with
9710 "c", so for strings but not for %hh formats. When pedantic, don't
9711 allow character pointers to substitute for void pointers if a
9712 second level of indirection is present.
9714 2000-08-06 Kazu Hirata <kazu@hxi.com>
9716 * invoke.texi (Options for Debugging Your Program or GCC): Update
9717 the names of dump files.
9719 * h8300.c (dosize): Rearrange code for conciseness.
9720 (split_adds_subs): Likewise.
9722 * loop.c: Fix formatting.
9724 * dwarf2out.c: Fix formatting.
9726 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
9728 * expr.c: Fix formatting.
9730 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9732 * rs6000.c (rs6000_maybe_dead): Prototype.
9734 2000-08-06 Richard Henderson <rth@cygnus.com>
9736 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
9737 HAVE_nonlocal_goto as well.
9738 * config/i960/i960.md (nonlocal_goto): Don't do it here.
9739 * config/pj/pj.md (nonlocal_goto): Likewise.
9741 2000-08-07 Michael Hayes <mhayes@cygnus.com>
9743 * loop.c (try_swap_copy_prop): New function.
9744 (load_mems): Rename copies to load_copies and add new regset
9745 store_copies. Check for sets of shadow registers and mark
9746 in store_copies. Call try_swap_copy_prop for registers
9747 marked in store_copies.
9749 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9751 * objc/objc-act.c: New command line option -fconstant-string-class
9752 to allow specifying a user defined constant string class,
9753 different from NXConstantString.
9755 * toplev.c: Moved the Objective-C specific options to
9756 objc/lang-options.h.
9758 * objc/lang-options.h: Moved the Objective-C specific options from
9759 toplev.c. Added -fconstant-string-class.
9761 2000-08-05 Chris Demetriou <cgd@sibyte.com>
9763 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9764 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
9765 __CTOR_LIST__ from func_ptr array to just func_ptr, to
9766 avoid extra alignment imposed on arrays.
9767 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9768 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
9770 * mips.h: Clean up comments and spacing near MASKs.
9771 (TARGET_UNIX_ASM): Delete.
9772 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
9773 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
9776 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
9778 * c-common.c (print_char_table): Add entries for the X/Open '
9779 format flag (print decimals with locale's thousands grouping
9780 character). Make %C expect wint_t.
9781 (check_format_info): If pedantic, warn when the %n$ operand
9782 number form is used. Allow for the ' flag; warn about it if
9785 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
9787 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
9788 type is a float mode, cfun->decl's return type is not, and
9789 TARGET_FLOAT_RETURNS_IN_80387.
9791 2000-08-04 Andreas Schwab <schwab@suse.de>
9793 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
9794 token list, which are always `#' and `pragma'.
9796 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
9798 * tree.c (tree_expr_nonnegative_p): Move to...
9799 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
9800 (rtl_expr_nonnegative_p): New.
9801 * tree.h: Add prototype for rtl_expr_nonnegative_p.
9803 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
9804 CONST_DOUBLE_CHAIN: Move to...
9805 * rtl.h: ...here. Use XCINT/XCEXP.
9807 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
9808 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
9809 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
9812 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
9814 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9816 * config/c4x/c4x.md (return_indirect_internal): New.
9817 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
9819 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9821 * c-common.c (time_char_table): Mark up formats added in C99 and
9822 make other corrections. %D and %g were added in C99. %Og is an
9823 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
9824 C99. %e was added in C99. %Oj is an extension. %G and %z are in
9825 C99 rather than GNU extensions, but %OG and %Oz are extensions.
9826 %h was added in C99. %C was added in C99. %OY and %OC are
9827 extensions. Add the C99 format %F.
9828 (check_format_info): If pedantic and not in C99 mode, warn for C99
9831 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9833 * function.c (schedule_fixup_var_refs): New function, broken out
9834 of put_reg_into_stack.
9835 (put_reg_into_stack): Use it.
9836 (put_var_into_stack): In CONCAT case, fixup up references for
9837 components only after fixing up references to the whole concat.
9839 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
9841 * alias.c (mark_constant_function): Use INSN_P.
9842 (init_alias_analysis): Likewise.
9843 * combine.c (combine_instructions): Use INSN_P.
9844 (can_combine_p): Likewise.
9845 (try_combine): Likewise.
9846 (distribute_notes): Likewise.
9847 (distribute_links): Likewise.
9848 * cse.c (cse_around_loop): Use INSN_P.
9849 (invalidate_skipped_block): Likewise.
9850 (cse_set_around_loop): Likewise.
9851 (cse_end_of_basic_block): Likewise.
9852 (delete_trivially_dead_insns): Likewise.
9853 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
9854 (unshare_all_rtl_1): Likewise.
9855 (next_cc0_user): Likewise.
9856 (try_split make_insn_raw): Likewise.
9857 (remove_unnecessary_notes): Likewise.
9858 * final.c (shorten_branches): Use INSN_P.
9859 (leaf_renumber_regs): Likewise.
9860 (leaf_renumber_regs_insn): Likewise.
9861 * flow.c (find_label_refs): Use INSN_P.
9862 (verify_wide_reg): Likewise.
9863 (notice_stack_pointer_modification): Likewise.
9864 (count_or_remove_death_notes): Likewise.
9865 (verify_flow_info): Likewise.
9866 (clear_log_links): Likewise.
9867 * function.c (fixup_var_refs_insns): Use INSN_P.
9868 (compute_insns_for_mem): Likewise.
9869 * gcse.c (alloc_gcse_mem): Use INSN_P.
9870 (compute_sets): Likewise.
9871 (compute_hash_table): Likewise.
9872 (classic_gcse): Likewise.
9874 (insert_insn_end_bb): Likewise.
9875 (delete_null_pointer_checks_1): Likewise.
9876 * global.c (expand_preferences): Use INSN_P.
9877 (build_insn_chain): Likewise.
9878 * graph.c (node_data): Use INSN_P.
9879 * haifa-sched.c (priority): Use INSN_P.
9880 (rm_line_notes): Likewise.
9881 (rm_other_notes): Likewise.
9882 (find_insn_reg_weight): Likewise.
9883 (init_target_units): Likewise.
9884 (schedule_block): Likewise.
9885 (compute_block_forward_dependences): Likewise.
9886 (debug_dependencies): Likewise.
9887 (set_priorities): Likewise.
9888 * integrate.c (function_cannot_inline_p): Use INSN_P.
9889 (save_parm_insns): Likewise.
9890 (copy_insn_list): Likewise.
9891 * jump.c (mark_all_labels): Use INSN_P.
9892 (never_reached_warning): Likewise.
9893 * lcm.c (optimize_mode_switching): Use INSN_P.
9894 * local-alloc.c (validate_equiv_mem): Use INSN_P.
9895 (memref_used_between_p): Likewise.
9896 (update_equiv_regs): Likewise.
9897 (block_alloc): Likewise.
9898 (no_conflict_p): Likewise.
9899 * loop.c (scan_loop): Use INSN_P.
9900 (find_and_verify_loops): Likewise.
9901 (count_loop_regs_set): Likewise.
9902 (loop_reg_used_before_p): Likewise.
9903 (strength_reduce): Likewise.
9904 (recombine_givs): Likewise.
9905 (check_dbra_loop): Likewise.
9906 (load_mems): Likewise.
9907 (try_copy_prop): Likewise.
9908 * print-rtl.c (print_rtx): Use INSN_P.
9909 * recog.c (find_single_use): Use INSN_P.
9910 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
9911 (next_flags_user): Likewise.
9912 (swap_rtx_condition): Likewise.
9913 * regmove.c (mark_flags_life_zones): Use INSN_P.
9914 (optimize_reg_copy_1): Likewise.
9915 (optimize_reg_copy_2): Likewise.
9916 (optimize_reg_copy_3): Likewise.
9917 (reg_is_remote_constant_p): Likewise.
9918 (fixup_match_2): Likewise.
9919 (regmove_optimize): Likewise.
9920 (fixup_match_1): Likewise.
9921 * regrename.c (build_def_use): Use INSN_P.
9922 (replace_reg_in_block): Likewise.
9923 (consider_use): Likewise.
9924 * reload.c (find_equiv_reg): Use INSN_P.
9925 * reload1.c (reload): Use INSN_P.
9926 (maybe_fix_stack_asms): Likewise.
9927 (calculate_needs_all_insns): Likewise.
9928 (reload_as_needed): Likewise.
9929 (emit_output_reload_insns): Likewise.
9930 (delete_address_reloads_1): Likewise.
9931 (reload_cse_regs_1): Likewise.
9932 (reload_combine): Likewise.
9933 (reload_cse_move2add): Likewise.
9934 * reorg.c (redundant_insn): Use INSN_P.
9935 (dbr_schedule): Likewise.
9936 * resource.c (find_dead_or_set_registers): Use INSN_P.
9937 (mark_target_live_regs): Likewise.
9938 * rtlanal.c (reg_used_between_p): Use INSN_P.
9939 (reg_referenced_between_p): Likewise.
9940 (reg_set_between_p): Likewise.
9941 (reg_set_p): Likewise.
9942 (single_set): Likewise.
9943 (multiple_sets): Likewise.
9944 (find_last_value): Likewise.
9945 (reg_set_last): Likewise.
9946 (find_reg_note): Likewise.
9947 (find_regno_note): Likewise.
9948 * sibcall.c (sequence_uses_addressof): Use INSN_P.
9949 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
9950 * ssa.c (find_evaluations): Use INSN_P.
9951 (rename_block): Likewise.
9952 (rename_equivalent_regs): Likewise.
9953 * unroll.c (loop_find_equiv_value): Use INSN_P.
9954 (set_dominates_use): Likewise.
9955 * varasm.c (mark_constant_pool): Use INSN_P.
9956 (mark_constants): Likewise.
9957 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
9958 (alphaev4_next_group): Likewise.
9959 (alphaev5_next_group): Likewise.
9960 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
9961 (c4x_rptb_rpts_p): Likewise.
9962 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
9963 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
9964 (rs6000_adjust_priority): Likewise.
9965 * config/sh/sh.c (sh_loop_align): Use INSN_P.
9966 (machine_dependent_reorg): Likewise.
9967 (split_branches): Likewise.
9968 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
9970 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
9972 * combine.c (recog_for_combine): Remove the old notes
9973 prior to attempting to recognize the new pattern.
9974 (distribute_notes): Ignore REG_NONNEG notes.
9976 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
9978 * varasm.c (output_constructor): Add .align 0 for packed vars.
9980 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9982 * configure.in: Use default thread_file even when enable_threads is
9983 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
9984 * configure: Rebuilt.
9986 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
9988 2000-08-04 Donn Terry (donnte@microsoft.com)
9990 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
9992 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9994 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
9995 Delete code that conditionally modifies 'version'.
9996 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
9997 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
9998 * gcc.c (main): Use it.
9999 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
10000 * prefix.c (update_path): Use it.
10001 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
10002 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
10003 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
10005 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
10006 (SUBTARGET_SWITCHES): Adjust.
10007 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
10009 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
10011 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10013 * c-common.h (flag_isoc94): Declare.
10014 * c-decl.c (flag_isoc94): Define.
10015 (c_decode_option): Set flag_isoc94 as appropriate.
10016 * c-common.c (T_PD, T_IM, T_UIM): Define.
10017 (format_char_info): Add tlen and jlen.
10018 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
10020 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
10022 (time_char_table): Add NULL entries for %t and %j.
10023 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
10024 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
10025 Warn for printf %lf if pedantic and not C99. Don't warn for empty
10026 precision. Allow precision argument to be unsigned int. If
10027 pedantic, warn for %p passed an argument not a pointer to possibly
10028 qualified void or a possibly qualified character type, and for
10029 pointer targets of the wrong sign, except for character pointers.
10031 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10033 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
10034 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
10035 (wint_type_node): Define.
10036 * c-decl.c (WINT_TYPE): Define.
10037 (init_decl_processing): Create the wint_type_node type.
10038 * c-common.c (T_WI): Define.
10039 (print_char_table): Use T_WI for %lc format.
10041 2000-08-04 Bruce Korb <bkorb@gnu.org>
10043 * fixinc/: Verified that the MSDOS patch does not break
10044 the UNIX functionality and applied the next three patches
10047 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
10049 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
10050 output file with the temporary one by appending ".X" to generate
10051 the temporary fuile's name. If the output file already has an
10052 extension, replace it with ".X".
10054 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
10055 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
10056 reallocate the command buffer while copying the command-line
10057 argument. Redirect the output directly to the temporary file,
10058 instead of going through another temporary file.
10059 (process): Close the temporary file before unlinking it.
10060 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
10061 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
10062 (run_compiles): Pass p_fixd argument to machine_matches, as it
10065 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
10066 environment, assume there are no symlinks in the include
10067 directory. When cleaning up the DONE files, look for them
10068 case-insensitively. Don't try to remove symlinks if they aren't
10071 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
10072 all callers changed. Declare pz "const char *", to avoid compiler
10075 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
10076 Change prototype of make_raw_shell_str.
10078 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
10080 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
10081 (initialize) [__MSDOS__]: Use tempnam.
10082 (initialize): Don't use SIGPIPE if it is not defined.
10084 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
10087 2000-07-25 Bruce Korb <bkorb@gnu.org>
10089 * fixinc/fix*.[ch]: substantially reworked to make it possible
10090 to run this program without using fork(2) or pipe(2) (i.e. in
10091 a DOS environment).
10093 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10095 * cppdefault.h (WINT_TYPE): Define.
10096 * cppinit.c (builtin_array): Define __WINT_TYPE__.
10097 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
10098 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
10100 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
10102 * (mips_legitimate_address_p): Don't allow register+offset
10103 if the offset is large and negative, and we are compiling
10104 for 64 bit registers.
10106 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10108 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
10109 insn_code_number + 1.
10111 2000-08-04 Kazu Hirata <kazu@hxi.com>
10113 * h8300.c (function_prologue): Rearrange code for conciseness.
10114 (function_epilogue): Likewise.
10115 * h8300.h (OK_FOR_U): Fix formatting.
10117 * cse.c: Fix a comment typo. Fix formatting.
10119 2000-08-03 Richard Henderson <rth@cygnus.com>
10121 * config/i386/i386.md (return_indirect_internal): New.
10122 * config/i386/i386.c (ix86_expand_epilogue): Use it.
10124 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
10126 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
10128 (lex_line): Glue @ onto the beginning of identifiers and
10129 string constants, in Objective-C mode.
10130 (output_token, spell_token): Handle CPP_OSTRING.
10131 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
10132 beginning of a NAME or a STRING, in objc mode.
10134 * cpplib.c (get_define_node): Do not permit identifiers that
10135 begin with @ to be #defined.
10136 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
10137 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
10139 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
10140 * c-tree.h (build_objc_string): Delete prototype.
10141 * objc/objc-tree.def: Delete OBJC_STRING_CST.
10142 * c-lex.c (yylex): Use build_string for all three kinds of strings.
10144 * c-parse.in, objc/objc-act.c: Update commentary.
10146 2000-08-03 Mark Mitchell <mark@codesourcery.com>
10148 * extend.texi: Fix typo in last change.
10150 * extend.texi: Add commentary on statement-expressions and their
10151 interactions with C++.
10153 2000-08-03 Nick Clifton <nickc@cygnus.com>
10155 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
10156 * dwarf.h (LANG_JAVA): Change value to 0x000b.
10158 2000-08-03 Anthony Green <green@cygnus.com>
10160 * dwarf2out.c (gen_compile_unit_die): Add java language support.
10161 (add_bound_info): Check for java language.
10162 (is_java): New function.
10163 * dwarfout.c (output_compile_unit_die): Ditto.
10164 * dwarf.h (dwarf_source_language): Add java source language type.
10165 * dwarf2.h (dwarf_source_language): Ditto.
10167 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10169 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
10172 * i386.c (ix86_expand_branch): Mode of comparison in
10173 IF_THEN_ELSE is VOIDmode.
10175 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
10177 * gengenrtl.c, rtl.c: Avoid #elif.
10179 2000-08-03 Michael Poole <poole@troilus.org>
10181 * tm.texi (Register Classes): Clarify order of sub-initializers
10182 in REG_CLASS_CONTENTS.
10184 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10186 From SAITOH Masanobu:
10187 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
10189 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
10191 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
10192 is not supported by tradcpp and isn't actually needed for cygwin.
10194 2000-08-03 Kazu Hirata <kazu@hxi.com>
10196 * h8300.c: Fix a comment typo.
10197 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
10199 * jump.c: Fix formatting.
10201 * toplev.c: Fix formatting.
10203 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
10205 * flow.c (find_auto_inc): Verify that we've got a REG before
10206 peeking at its regno. Fail, don't abort if we can't find
10207 the increment of the desired register.
10209 * pa.md (shadd height reduction patterns/splitters): Remove.
10211 2000-08-02 Jim Wilson <wilson@cygnus.com>
10213 * config/ia64/ia64-protos.h (flag_ssa): Declare.
10214 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
10216 2000-08-02 Mark Mitchell <mark@codesourcery.com>
10218 * dce.c: Remove all uses of assert.
10219 * dwarf2out.c: Likewise.
10220 * dwarfout.c: Likewise.
10223 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10225 * gcc.h (lang_specific_driver): Constify second argument.
10226 * gcc.c (translate_options, process_command, main): Likewise.
10227 Constify variables to match. Cast second argument to
10230 * cppspec.c, gccspec.c: Adjust type of second argument to
10231 lang_specific_driver, and update code as necessary.
10233 2000-08-02 Jakub Jelinek <jakub@redhat.com>
10235 * loop.c (scan_loop): Ensure update_end label does not
10236 go away until reg_scan_update is run.
10238 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10240 * c-common.h: Prototype min_precision and c_build_qualified_type here...
10241 * c-tree.h: ... not here.
10242 * errors.h: Prototype fancy_abort.
10244 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
10245 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
10246 * regrename.c (regrename_optimize): Make control flow explicit.
10247 (replace_reg_in_block): Initialize reg_use to 0.
10249 * i386.c (legitimate_address_p): Rename error label to
10250 report_error to avoid namespace clash.
10252 2000-08-02 Kazu Hirata <kazu@hxi.com>
10254 * fold-const.c: Fix formatting.
10256 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
10258 * i386.c (legitimate_address_p): Accept other bases than
10259 pic_offset_table_rtx for GOTOFF constructs.
10261 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10263 * i386.md (shift to lea splitter): Use const_int_operand.
10265 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10267 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
10268 cppspec.c: Do not use 'legal' or 'illegal' in error messages
10271 * cppmain.c (cb_define, cb_undef): Don't generate any output
10272 if not done_initializing.
10273 * cpplex.c (maybe_paste_with_next): When the token after a ##
10274 is an omitted rest argument, only delete the token before it
10275 if that token is a comma. Do not warn about bogus token
10276 pastes for , ## rest_arg.
10278 * cpp.texi: Update.
10279 * cpp.1: Regenerate.
10281 2000-08-02 Fred Fish <fnf@be.com>
10283 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
10284 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
10287 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
10288 Be directories to search path.
10290 Remove support for __declspec(dllimport) and __declspec(dllexport).
10291 This is leftover cruft from the earlier BeOS gcc port when BeOS
10292 used Microsoft's PE object file format.
10293 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
10294 * config/i386/t-beos (winnt.o): Remove Makefile frag.
10295 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
10296 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
10297 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
10298 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
10299 (REDO_SECTION_INFO_P): Remove.
10300 (ASM_EXPORT_DECL): Remove.
10301 (ASM_DECLARE_FUNCTION_NAME): Remove.
10302 (ASM_DECLARE_OBJECT_NAME): Remove.
10303 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
10304 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
10305 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
10306 (STRIP_NAME_ENCODING): Remove.
10308 Remove support for obsolete version of BeOS that is no longer
10310 * configure.in (i*86-*-beospe*): Remove.
10311 * config/i386/beos-pe.h: Remove.
10313 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
10314 Mark Mitchell <mark@codesourcery.com>
10316 * Makefile.in (OBJS): Added dce.o.
10317 (ssa.o): Updated target to include ssa.h.
10318 (flow.o): Likewise.
10319 (toplev.o): Likewise.
10320 (dce.o): Created target.
10321 * basic-block.h: Added comments.
10322 (INVALID_BLOCK): Added definition.
10323 (connect_infinite_loops_to_exit): Added declaration.
10324 Moved SSA declarations to ssa.h.
10325 * flow.c: Added inclusion of ssa.h.
10326 (struct depth_first_search_dsS, depth_first_search_ds):
10328 (compute_immediate_postdominators): Added definition.
10329 (connect_infinite_loops_to_exit): Likewise.
10330 (flow_dfs_compute_reverse_init): Likewise.
10331 (flow_dfs_compute_reverse_add_bb): Likewise.
10332 (flow_dfs_compute_reverse_execute): Likewise.
10333 (flow_dfs_compute_reverse_finish): Likewise.
10334 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
10335 (LABEL_P): Added definition.
10336 (JUMP_P): Likewise.
10337 (NOTE_P): Likewise.
10338 (BARRIER_P): Likewise.
10339 (JUMP_TABLE_DATA_P): Likewise.
10340 (INSN_DEAD_CODE_P): Likewise.
10341 * ssa.c: Replaced inclusions with ssa.h inclusion.
10342 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
10343 (rename_registers): Removed unnecessary variables.
10344 * ssa.h: Created by moving declarations from ssa.c and
10346 * timevar.def: Defined TV_DEAD_CODE_ELIM.
10347 * toplev.c: Added ssa.h inclusion.
10348 (dump_file_index): Added DFI_dce.
10349 (dump_file): Added "dce" entry.
10351 (f_options): Added dce entry.
10352 * invoke.texi: Document -fdce. Emphasize experimental status of
10356 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
10358 * cpperror.c (v_message): Split into _cpp_begin_message and
10359 v_message macro. All callers updated.
10360 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
10363 * cppfiles.c (cpp_syshdr_flags): New function.
10364 (read_include_file): Don't call cpp_output_tokens. Call
10366 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
10367 (cpp_reader_init): Don't initialize token_buffer. Call
10368 _cpp_init_internal_pragmas.
10369 (cpp_cleanup): Don't clear token_buffer.
10370 (cpp_start_read): Don't worry about output from -D processing.
10371 Don't call cpp_output_tokens.
10372 (cpp_finish): Don't dump macros here. Don't call
10374 * cppmacro.c (_cpp_dump_definition): Rename
10375 cpp_dump_definition. Write directly to a FILE *.
10376 (dump_funlike_macro): Delete.
10377 (dump_macro_args): New.
10379 * cpplex.c (TOKEN_LEN): Convert to inline function.
10380 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
10381 cpp_scan_line, _cpp_dump_list): Delete.
10382 (cpp_printf, cpp_output_list): New.
10383 (output_line_command): Don't worry about entering or leaving files.
10384 (cpp_scan_buffer): Just output each token as we hit it.
10385 (process_directive): Don't call cpp_output_tokens.
10386 (_cpp_glue_header_name): Don't use token_buffer.
10387 (output_token, dump_param_spelling): Write directly to a FILE *.
10389 * cpplib.c (pass_thru_directive, dump_macro_name,
10390 pragma_dispatch, do_pragma_gcc): Delete.
10391 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
10392 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
10394 (do_error, do_warning, pragma_dependency): Call
10395 _cpp_begin_message, then cpp_output_list.
10396 (cpp_register_pragma, cpp_register_pragma_space,
10397 _cpp_init_internal_pragmas): New.
10398 (do_pragma): Walk the pragmas table here.
10399 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
10400 do_pragma_dependency): Return void.
10401 (do_pragma_implementation): Moved to cppmain.c.
10403 * cpplib.h: Update prototypes.
10404 (struct cpp_reader): Remove printer, token_buffer,
10405 token_buffer_size, and limit. Add struct cb, and pragmas.
10406 (struct cpp_printer): Remove last_id and written.
10407 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
10408 CPP_ADJUST_WRITTEN): Delete.
10409 * cpphash.h: Update prototypes.
10410 (ufputs): New wrapper.
10412 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
10413 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
10414 (main): Set up callbacks. Register #pragma implementation.
10415 Dump macros from here.
10417 2000-08-01 Geoff Keating <geoffk@cygnus.com>
10419 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
10420 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
10421 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
10422 insns if they have a REG_MAYBE_DEAD note attached.
10423 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
10424 (rs6000_emit_load_toc_table): TOC loads may go dead.
10426 2000-08-01 Jim Wilson <wilson@cygnus.com>
10428 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
10429 type exists before using it. Use number of words as alignment
10431 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
10432 ia64_va_arg): Propagate ia64_function_args changes here.
10434 2000-08-01 Richard Henderson <rth@cygnus.com>
10436 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
10437 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
10439 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
10441 From Joern Rennecke:
10442 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
10443 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
10444 unless TARGET_SH3E is set.
10445 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
10447 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
10448 (ashlsi3_std): New pattern.
10449 (ashlsi3 expander): Use it for TARGET_SH3.
10450 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
10452 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10454 * loop.c (canonicalize_condition): Use destination, not source to
10455 determine SET's mode.
10457 2000-07-31 Mark Mitchell <mark@codesourcery.com>
10459 * flow.c (clear_log_links): Fix typo.
10461 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
10463 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
10464 on targets which need more than one insn for a compare/cbranch
10467 2000-07-31 Jim Wilson <wilson@cygnus.com>
10469 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
10470 when computing offset.
10472 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
10474 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
10476 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10478 * flow.c (clear_log_links): Nuke global_live_at_start and
10479 global_live_at_end data, since if the log_links stuff is invalid
10480 so is global_live_at_*.
10482 2000-07-31 Richard Henderson <rth@cygnus.com>
10484 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
10486 2000-07-31 Jakub Jelinek <jakub@redhat.com>
10488 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
10489 (_cpp_get_token): Don't macro expand a just pasted token if it
10490 was pasted at no_expand_level.
10492 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10494 * cppmacro.c (find_param, count_params, save_expansion):
10495 Permit 'defined' as a macro parameter name.
10497 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10499 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
10500 xcpp to cpp throughout.
10501 (native): Remove unnecessary dependency on cpp.
10503 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
10504 tradcpp to tradcpp0.
10505 (.i spec): Add missing output-file spec to cc1 command line.
10506 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
10508 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10510 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
10511 (implicit_decl_warning): New function.
10512 (implicitly_declare): Use it.
10513 * c-typeck.c (build_external_ref): Use implicit_decl_warning
10514 to complain about implicit decls of builtins.
10516 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
10517 based on pedantic && flag_isoc99, if not already set.
10518 * c-tree.h: Declare mesg_implicit_function_declaration.
10519 Prototype implicit_decl_warning.
10521 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
10523 * Makefile.in (ssa.o): Updated header files in dependences.
10524 * basic-block.h: Added compute_immediate_postdominators declaration.
10525 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
10527 * flow.c (compute_immediate_dominators): Updated comment.
10528 (compute_immediate_postdominators): Added definition.
10529 * rtl.h (HARD_REGISTER_P): Added definition.
10530 * ssa.c: Include additional header files.
10531 (assert): Added definition.
10532 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
10533 include select hard registers.
10534 (ssa_rename_to_insert): Likewise.
10535 (ssa_rename_from_initialize): Likewise.
10536 (ssa_rename_from_lookup): Likewise.
10537 (original_register): Likewise.
10538 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
10539 include select hard reigsters.
10540 (ssa_rename_from_traverse): Likewise.
10541 (ssa_rename_from_free): Likewise.
10542 (ssa_rename_from_print): Likewise.
10543 (ssa_rename_from_print_1): Likewise.
10544 (ssa_rename_from_hash_function): Likewise.
10545 (ssa_rename_from_equal): Likewise.
10546 (ssa_rename_from_delete): Likewise.
10547 (simplify_to_immediate_dominators): Removed in favor of
10548 flow.c:compute_immediate_dominators.
10549 (find_evaluations_1): Modified to work with hard registers.
10550 (insert_phi_node): Likewise.
10551 (insert_phi_nodes): Likewise.
10552 (struct rename_set_data): Updated prev_reg comment.
10553 (create_delayed_rename): Modified to work with hard registers.
10554 (RENAME_NO_RTX): Updated comment.
10555 (apply_delayed_renames): Modified to work with hard registers.
10556 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
10557 (rename_block): Updated to use revised ssa_rename_to interface.
10558 (rename_registers): Updated to use revised ssa_rename_to and
10559 ssa_rename_from interface.
10560 (convert_to_ssa): Revised to use compute_immediate_dominators and
10561 deal with hard registers.
10562 (make_regs_equivalent_over_bad_edges): Modified to work with hard
10563 registers. Added check for illegal unification of hard register.
10564 (make_equivalent_phi_alternatives_equivalent): Modified to work
10565 with hard registers.
10566 (compute_conservative_reg_partition): Likewise.
10567 (coalesce_if_unconflicting): Modified to work with hard registers
10568 and check for conflicting hard registers.
10569 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
10571 (rename_equivalent_regs_in_insn): Modified to work with hard
10573 (record_canonical_element_1): Added definition.
10574 (check_hard_regs_in_partition): Added definition.
10575 (convert_from_ssa): Added data structure deallocation and check
10576 for illegal hard register unification.
10577 (conflict_hard_regs_p): Added definition.
10578 * toplev.c (rest_of_compilation): Added comment.
10580 2000-07-31 Anthony Green <green@redhat.com>
10582 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
10584 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
10586 * builtins.c (expand_builtin_apply): Don't defer pop during
10589 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10591 * calls.c (combine_pending_stack_adjustment_and_call): Only use
10592 preferred_unit_stack_boundary when it is > 1.
10594 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
10596 * c-common.c (init_function_format_info): Add C99 format functions
10599 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
10600 void' or 'register void' as being the special case of 'void' alone
10601 in a parameter list.
10603 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
10604 discarding qualifiers into a plain warning.
10606 2000-07-31 Kazu Hirata <kazu@hxi.com>
10608 * combine.c: Fix formatting.
10610 * h8300.md: Fix formatting.
10612 * local-alloc.c: Fix formatting.
10614 * h8300.c (get_shift_alg): Remove the variable alg.
10615 (emit_a_shift): Rearrange code to improve readability.
10617 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
10619 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
10620 HImode on all architectures and a combination of HImode and SImode
10621 on H8/300H and H8/S.
10623 * h8300.c (split_adds_subs): Rearrange code for conciseness.
10625 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
10627 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
10628 in my last checkin.
10630 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10632 * recog.c (extract_insn): Set operand_mode according to
10633 operand if match_operand is VOIDmode.
10635 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
10637 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
10639 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10641 * c-parse.in (extdefs): Call ggc_collect between external
10644 2000-07-30 Michael Hayes <mhayes@cygnus.com>
10645 Richard Henderson <rth@cygnus.com>
10647 * Makefile.in (OBJS): Add doloop.o.
10648 * doloop.c: New file.
10650 * final.c (insn_current_reference_address): Return 0 before final.
10651 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
10652 * jump.c (any_uncondjump_p): Likewise.
10653 * loop.c (indirect_jump_in_function): Make static.
10654 (strength_reduce): Call doloop_optimize.
10655 (insert_bct, instrument_loop_bct): Remove.
10656 * loop.h (doloop_optimize): Prototype.
10657 * recog.c (split_all_insns): Split all INSN_P.
10658 * toplev.c (flag_branch_on_count_reg): Default on.
10660 * config/c4x/c4x.c (c4x_optimization_options): Don't set
10661 flag_branch_on_count_reg.
10662 * config/i386/i386.c (override_options): Likewise.
10663 * config/rs6000/rs6000.c (optimization_options): Likewise.
10665 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
10667 (dbra_ge): Remove, as well as all it's splitters.
10669 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
10672 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
10673 (ia64_register_move_cost): Declare.
10674 * config/ia64/ia64.c (ar_lc_reg_operand): New.
10675 (struct ia64_frame_info): Add ar_size.
10676 (ia64_compute_frame_size): Set it.
10677 (save_restore_insns): Save and restore ar.lc.
10678 (ia64_register_move_cost): New, moved from header file. Handle
10679 application registers.
10680 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
10681 (emit_insn_group_barriers): Special case doloop_end_internal.
10682 (ia64_epilogue_uses): Mark ar.lc live at end.
10683 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
10684 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
10685 (FIRST_PSEUDO_REGISTER): Make room.
10686 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
10687 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
10688 (REG_ALLOC_ORDER): Update.
10689 (HARD_REGNO_MODE_OK): Update.
10690 (REGISTER_NAMES): Update.
10691 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
10692 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
10693 (REGNO_REG_CLASS): Update.
10694 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
10695 (REGISTER_MOVE_COST): Move out of line.
10696 (PREDICATE_CODES): Update.
10697 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
10698 (addsi3_plus1_alt, adddi3_plus1_alt): New.
10699 (shladd_elim splitter): Allow constants in the predicate.
10700 (doloop_end, doloop_end_internal): New.
10702 2000-07-30 Richard Henderson <rth@cygnus.com>
10704 * genattrtab.c (struct insn_def): Add lineno member.
10705 (struct insn_ent): Likewise.
10706 (struct attr_desc): Likewise.
10707 (struct delay_desc): Likewise.
10708 (struct function_unit_op): Likewise.
10709 (struct function_unit): Likewise.
10710 (check_attr_value): Use message_with_line.
10711 (check_defs): Likewise.
10712 (expand_units): Likewise.
10713 (check_attr_test): Take a lineno argument.
10714 (gen_attr): Likewise.
10715 (gen_insn): Likewise.
10716 (gen_delay): Likewise.
10717 (gen_unit): Likewise.
10718 (main): Give it to them.
10719 (convert_set_attr_alternative): Take an insn_def argument
10720 instead of num_alt and insn_index.
10721 (convert_set_attr): Likewise.
10722 (write_test_expr): Protect INSN_ADDRESSES load
10723 with INSN_ADDRESSES_SET_P.
10725 2000-07-30 Richard Henderson <rth@cygnus.com>
10727 * flow.c (init_propagate_block_info): Use pc_set.
10729 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10731 * i386.md (*lea_general_[123]) New insns and splits.
10732 (addsi3 to lea splitter): Handle other modes too.
10733 (shlsi3 to lea splitter): Likewise.
10734 (addhi_1_lea, shlhi_1_lea): New patterns.
10735 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
10737 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10739 * recog.c (general_operand, nonimmediate_operand): Accept
10740 any mode for VOIDmode CONSTANT_P operands.
10742 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10744 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
10745 instead of replace_rtx.
10746 * recog.c (validate_replace_rtx_subexp): New function.
10747 * recog.h (validate_replace_rtx_subexp): Declare.
10749 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10751 * combine.c (simplify_set, make_extraction, make_compound_operation
10752 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
10753 as force_to_mode argument.
10755 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
10757 * combine.c (if_then_else_cond): Be sure that mode fits in
10760 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
10762 * combine.c (record_promoted_value): Allow bitsize of mode
10763 to be equivalent to HOST_BITS_PER_WISE_INT.
10765 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10767 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
10768 Do not call gen_mode_alignment when mode is BLKmode.
10770 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
10772 * loop.c (express_from_1): Fix call of simplify_gen_binary.
10774 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
10776 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
10777 VOIDmode implies both operands to be VOIDmode.
10778 (simplify_ternary_operation): Compute properly the mode of comparison.
10779 * combine.c (combine_simplify_rtx): Likewise.
10781 2000-07-25 Michael Hayes <mph@paradise.net.nz>
10783 * basic-block.h (struct loops): New field rc_order.
10784 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
10785 (flow_loops_free): Free rc_order.
10786 (flow_depth_first_order_compute): New parameter rc_order.
10787 (flow_loops_find): Allocate rc_order and swap usage with
10790 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10791 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10793 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
10794 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
10795 (nodb_call, return_from_epilogue): Likewise.
10796 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
10797 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
10798 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
10799 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10800 (c4x_valid_type_attribute_p): Likewise.
10801 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
10802 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
10804 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10806 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
10807 and loadhi_big_constant if applicable.
10808 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
10809 and add new splitter.s
10811 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10813 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
10815 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10817 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
10819 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10821 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
10823 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10825 * config/c4x/libgcc.S (divqf3): Improve accuracy.
10827 2000-07-27 Mark Mitchell <mark@codesourcery.com>
10829 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
10830 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
10831 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
10832 (get_prev_bb_note): Likewise.
10833 (remove_scope_notes): Likewise.
10834 * flow.c (commit_one_edge_insertion): Likewise.
10835 (merge_blocks_nomove): Likewise.
10836 (verify_flow_info): Likewise.
10837 * gcse.c (insert_insn_end_bb): Likewise.
10838 * reg-stack.c (emit_swap_insn): Likewise.
10839 * ssa.c (first_insn_after_basic_block_note): New function.
10840 (insert_phi_node): Use it.
10841 (rename_block): Likewise.
10842 (eliminate_phi): Likewise.
10843 (make_regs_equivalent_over_bad_edges): Likewise.
10844 (make_equivalent_phi_alternatives_equivalent): Likewise.
10845 (for_each_successor_phi): Likewise.
10846 (convert_from_ssa): Modify phi-node deletion algorithm.
10848 2000-07-29 Andreas Jaeger <aj@suse.de>
10850 * configure.in (mips*-*-linux*): Use mips*el to check for little
10851 endian MIPS, add tmake_file.
10853 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
10854 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
10855 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
10857 2000-07-28 Richard Henderson <rth@cygnus.com>
10859 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
10860 Sign extend mode size before negating.
10862 2000-07-28 Richard Henderson <rth@cygnus.com>
10864 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
10866 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
10868 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
10869 (cse_insn): Likewise.
10870 (addr_affects_sp_p): Likewise.
10871 * expr.c (move_by_pieces): Likewise.
10872 (clear_by_pieces): Likewise.
10873 * gcse.c (oprs_unchanged_p): Likewise.
10874 * haifa-sched.c (sched_analyze_2): Likewise.
10875 * recog.c (offsettable_address_p): Likewise.
10876 * regclass.c (record_address_regs): Likewise.
10877 * reload.c (find_reusable_reload): Likewise.
10878 (push_reload): Likewise.
10879 (operands_match_p): Likewise.
10880 (decompose): Likewise.
10881 (find_reloads_address_1): Likewise.
10882 (find_inc_amount): Likewise.
10883 * reload1.c (elimination_effects): Likewise.
10884 * resource.c (mark_set_resources): Likewise.
10885 * flow.c (attempt_auto_inc): New function; mostly broken out
10887 (find_auto_inc): Split into two functions and enhanced to
10888 generate POST_MODIFY.
10889 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
10890 * rtl.h (count_all_occurrences): Declare.
10891 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
10893 * rtlanal.c (count_all_occurrences): New function.
10894 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
10895 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
10897 * config/ia64/ia64-protos.h (destination_operand): Declare.
10898 * config/ia64/ia64.c (destination_operand): New function.
10899 (ia64_print_operand): Handle POST_MODIFY.
10900 (rtx_needs_barrier): Likewise.
10901 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
10902 (HAVE_POST_MODIFY_REG): Define to 1.
10903 (MAX_REGS_PER_ADDRESS): Change to 2.
10904 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
10905 (LEGITIMATE_ADDRESS_REG): New helper macro.
10906 (LEGITIMATE_ADDRESS_DISP): Likewise.
10907 (PREDICATE_CODES): Add entry for destination_operand.
10908 * config/ia64/ia64.md (all mov patterns): Use destination_operand
10909 predicate for operand 0.
10911 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10913 * dwarf2out.c: Indent #error directive.
10915 * gbl-ctors.h: Fix typo in comment.
10916 (__do_global_ctors): Prototype.
10918 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10920 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10921 (print_operand): Initialize variable `t'.
10923 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10925 * config/arm/arm.md ("call_value"): removed constraints.
10926 Constraints are ignored in expanders.
10927 (*call_value_reg): split =rf into various constraints.
10928 (*call_value_mem): same
10929 (*call_value_symbol): same
10930 (*sibcall_value_insn): same
10932 2000-07-28 Philipp Thomas <pthomas@suse.de>
10934 * install.texi (--enable-nls): Change the description of the NLS
10935 related configure options to match the current state.
10936 (--with-included-gettext): Likewise.
10937 (--enable-maintainer-mode): New description added.
10938 * extend.texi (-fstrict-prototype): Add missing '.'.
10940 2000-07-27 Jim Wilson <wilson@cygnus.com>
10942 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
10943 DECL_INITIAL (decl) == NULL_TREE.
10945 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
10947 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
10948 on insn-attr.h with it.
10949 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
10950 * insn-addr.h: New header.
10951 (insn_addresses_): Renamed from insn_addresses.
10952 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
10953 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
10954 INSN_ADDRESSES_NEW): New macros.
10955 * genattrtab.c (write_test_expr): Use new macros.
10956 * final.c (insn_addresses, init_insn_lengths): Likewise.
10957 (align_fuzz, shorten_branches): Likewise.
10958 (final): Likewise. Do not reject new insns if their addresses
10959 have been added to INSN_ADDRESSES.
10960 * config/arm/arm.c, config/avr/avr.c: Use new macros.
10961 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
10962 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
10963 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
10964 * config/sh/sh.c: Likewise.
10965 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
10967 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
10969 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
10971 * gcc.c (struct prefix_list): Add member priority.
10972 (enum path_prefix_priority): Declare.
10973 (add_prefix): Replace ``first'' with ``priority''. Append new
10974 entry but keep list in priority order.
10975 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
10976 PREFIX_PRIORITY_LAST to add_prefix.
10977 (process_command): Move include kludge - foo/stageN - to before
10980 2000-07-27 Jason Merrill <jason@redhat.com>
10982 * dwarf2out.c (gen_typedef_die): Abort if we get identical
10983 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
10985 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
10987 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
10988 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
10990 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
10992 * c-decl.c (finish_function): Don't treat 'main' specially unless
10993 flag_hosted. In C99 mode, return 0 from 'main' unless
10994 DEFAULT_MAIN_RETURN is otherwise defined.
10996 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
10997 parameters defaulting to int in an old-style function definition.
10999 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11001 * c-parse.in (string): For -Wtraditional, warn about string
11002 concatenation only once per line.
11004 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
11006 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
11007 for HI-UX/WE2 systems.
11009 2000-07-24 Bruce Korb <bkorb@gnu.org>
11011 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
11012 defining the __xxx_TYPE__ macros.
11013 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
11014 * fixincl/fixlib.h: don't need to include "tm.h" anymore
11015 * fixincl/inclhack.def(type_map): now obsolete
11017 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
11019 * cpp.texi: Append a trailing full-stop to xrefs where needed.
11021 2000-07-26 Dave Pitts <dpitts@cozx.com>
11023 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
11025 (mvs_hash_alias): New function.
11026 (mvs_add_alias): Change argument spacing.
11027 (mvs_need_alias): Change aliasing criteria. Added documentation.
11028 (mvs_get_alias): Change to use hashed name. The hashed name prevents
11029 CSECT name collisions.
11030 (mvs_check_alias): Likewise.
11031 (handle_pragma): Change documentation.
11032 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
11033 mode from SImode to DImode.
11034 (iorhi3): Changed LTORG size for insn.
11036 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
11038 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
11039 mem if the address is a mode_dependent_address_p.
11041 2000-07-26 Kazu Hirata <kazu@hxi.com>
11043 * h8300.c (print_operand): Print ":8" when the 'R' operand is
11044 suitable for 8-bit absolute.
11045 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
11046 (OK_FOR_U): Add a case for the 8-bit constant address on the
11049 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
11051 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
11052 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
11053 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
11054 lack of implemented alignment.
11056 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
11058 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
11059 cross-compiling between 64-bit and 32-bit machines.
11061 2000-07-27 Richard Henderson <rth@cygnus.com>
11063 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
11064 (movhicc_astep, movhi_internal_astep): New.
11065 (movsicc_astep, movsi_internal_astep): New.
11066 (movdicc_astep, movdi_internal_astep): New.
11067 (movsfcc_astep, movsf_internal_astep): New.
11068 (movdfcc_astep, movdf_internal_astep): New.
11069 (movxfcc_astep, movxf_internal_astep): New.
11070 (cmovdi_internal_astep, cmovsi_internal_astep): New.
11071 Unify the cmov[ds]i splitters.
11073 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
11075 * real.c (asctoeg): Rename `error' label to unexpected_char_error
11077 2000-07-26 Nick Clifton <nickc@cygnus.com>
11079 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
11080 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
11082 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
11083 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
11085 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
11087 * c-decl.c (finish_enum): Convert enumerations that fit in an
11089 (build_enumerator): In pedantic mode, cast to `int' those that
11092 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
11094 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
11096 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11098 * sh.md (cmpgtdi_t): Must be split.
11099 (cmpgtdi_t+1): New splitter.
11101 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
11103 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
11104 warnings for indented directives even if we are skipping.
11106 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
11108 * invoke.texi (strict-prototypes): Remove.
11109 * extend.texi (Deprecated Features): Add strict-prototypes.
11110 (Backwards Compatibility): New node.
11112 2000-07-25 Jakub Jelinek <jakub@redhat.com>
11114 * config/i386/i386.md (andsi_1+1): Allow HImode.
11115 (andsi_1+2): Require q_regs_operand.
11117 2000-07-25 Jakub Jelinek <jakub@redhat.com>
11119 * config/i386/i386.md (call_pop): Check operands[0],
11120 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
11122 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
11123 (call_value): Likewise.
11125 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
11127 * toplev.c (pipe_closed): Delete.
11128 (crash_signal): New. Generate ICE for a fatal signal.
11129 (float_signal): Call crash_signal outside a float-handler
11131 (main): Install crash_signal as handler for core-dumping signals.
11133 2000-07-25 David Edelsohn <edelsohn@gnu.org>
11135 * rs6000.c (print_operand, case 'T'): New case.
11137 * rs6000.md (call_indirect_aix32): Convert to expander of
11138 scheduled instructions.
11139 (call_indirect_aix64): Likewise.
11140 (call_value_indirect_aix{32,64}): Likewise.
11141 (call, call_value): Invoke expanders for AIX. Fall through to
11143 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
11144 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
11145 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
11146 only "g" constraint.
11147 (call_nonlocal_aix64): Likewise.
11148 (call_value_nonlocal_aix{32,64}): Likewise.
11149 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
11151 (call_value_nonlocal_sysv): New pattern.
11152 (indirect_jump{si,di}): Use new 'T' modifier.
11153 (tablejump{si,di} matchers): Likewise.
11154 (return_internal_{si,di}): Likewise.
11155 (return_eh_{si,di}): Likewise.
11157 2000-07-24 Richard Henderson <rth@cygnus.com>
11159 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
11160 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
11161 * config/ia64/ia64.md (movdi_internal): Use it.
11163 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
11165 * cppexp.c: Warn about unary + if -Wtraditional.
11166 * cpplex.c (lex_line): Always set BOL on the first token of a line.
11168 2000-07-24 Michael Meissner <meissner@redhat.com>
11170 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
11173 2000-07-24 Nick Clifton <nickc@cygnus.com>
11175 * config/arm/arm.c (emit_multi_reg_push): Generate a
11176 REG_FRAME_RELEATED_NOTE that is compatable with the code in
11177 dwarf2out_debug_frame_expr.
11179 2000-07-24 Jason Merrill <jason@redhat.com>
11181 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
11182 UNALIGNED_INT_ASM_OP.
11183 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
11184 a location expression.
11185 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
11186 assume indirect access if we're saving the CFA address exactly.
11188 * Makefile.in (bootstrap): Move -BstageN/ to the end.
11190 2000-07-24 Jakub Jelinek <jakub@redhat.com>
11192 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
11195 2000-07-24 Michael Meissner <meissner@redhat.com>
11197 * invoke.texi (D30V Options): Add d30v options.
11199 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
11201 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
11202 needed by our gcse pass anymore.
11203 (free_pre_mem): Corresponding changes.
11204 (compute_pre_data): Do not call compute_transpout anymore.
11206 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
11207 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
11210 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
11211 (compute_pre_data): Do it here instead.
11213 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
11215 (pre_delete): Corresponding changes.
11217 2000-07-23 Mark Mitchell <mark@codesourcery.com>
11219 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
11220 to figure out whether or not a variable has already been emitted.
11222 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
11224 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
11225 instead of gen_call.
11227 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
11229 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
11231 2000-07-23 Kazu Hirata <kazu@hxi.com>
11233 * h8300.c: Fix formatting.
11235 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
11237 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
11238 for `long' switch expression into a plain warning.
11240 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
11241 (yylex): Don't pedwarn for "inline" in C99 mode.
11243 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
11245 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
11246 ggc_alloc): Likewise.
11247 * bb-reorder.c (dump_scope_forest_1): Likewise.
11249 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
11251 * reload.c (find_reloads_toplev): Add new parameter
11252 "address_reloaded".
11253 (find_reloads): Add new parameter to find_reloads_toplev calls.
11255 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
11257 * collect2.c (main): Typo fixed.
11258 * diagnostic.c: Typo fixed.
11259 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
11260 * eh-common.h: Typo fixed.
11261 * emit-rtl.c (start_sequence): Typo fixed.
11262 * flow.c (find_label_refs): Typo fixed.
11263 (calculate_global_regs_live): Typo fixed.
11264 (mark_regno_cond_dead): Typo fixed.
11265 (create_edge_list): Typos fixed.
11266 (verify_edge_list): Typo fixed.
11267 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
11268 * loop.c (strength_reduce): Typo in function name fixed.
11269 * rtl.h: Added comments. Typo in function name fixed.
11270 * rtlanal.c: Typo in function name fixed.
11271 (insn_dependant_p): Rename to ...
11272 (insn_dependent_p): ... this.
11273 (computed_jumo_p): Typo fixed.
11275 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11277 * system.h (__FUNCTION__): Wrap definition in #ifndef.
11279 2000-07-21 David Edelsohn <edelsohn@gnu.org>
11281 * rs6000.h (SIZE_TYPE): Define.
11283 2000-07-21 Mark Mitchell <mark@codesourcery.com>
11285 * ssa.c (rename_insn_1): Don't rename registers that are
11288 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
11290 * diagnostic.c (trim_filename, fancy_abort): Moved here from
11292 (fatal_function, set_fatal_function): Removed.
11293 (fatal): Don't prepare for or call the fatal_function.
11294 (diagnostic_lock, error_recursion): New.
11295 (diagnostic_for_decl, report_diagnostic): Guard against
11296 re-entering the error reporting routines.
11297 (fancy_abort): Assume function is not NULL.
11299 * errors.c (fancy_abort): New. Assume function is not NULL.
11300 * tradcpp.c (fancy_abort): Assume function is not NULL.
11302 * system.h: Provide default definition of __FUNCTION__.
11303 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
11304 Always use __FUNCTION__ in definition of abort.
11305 * tree.h: Likewise.
11306 * varray.h: Likewise.
11307 * toplev.h: Likewise. Don't prototype set_fatal_function.
11309 2000-07-20 Geoff Keating <geoffk@cygnus.com>
11311 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
11313 * glimits.h: Don't do #if defined for ARCH_PPC.
11315 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
11316 constants of size no larger than a pointer should go in the TOC.
11317 Add 'MODE' parameter.
11318 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
11319 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
11320 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
11321 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
11322 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
11323 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
11324 (rs6000_legitimize_address): Likewise.
11325 (rs6000_emit_move): Likewise.
11326 (rs6000_select_rtx_section): Likewise.
11327 (output_toc): Deal properly with outputting small constants like
11328 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
11329 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
11330 MODE parameter. Put small constants in the TOC.
11332 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
11334 (rs6000_emit_move): When reload calls us with an illegitimate
11335 address, exit early. Move the change_address calls to one place
11336 at the end of the routine. Merge the SImode and DImode expanders.
11337 When called by reload to put an integer into a FP register, force
11340 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
11342 (rs6000_hash_constant): Hash mode too.
11343 (toc_hash_function): Allow for key_mode.
11344 (toc_hash_eq): Structures are different if key_mode differs.
11345 (output_toc): Add 'mode' parameter. Save key_mode.
11346 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
11347 Pass 'mode' parameter.
11348 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
11350 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
11351 for vtable references.
11353 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
11354 choice, don't put integer values in FP regs.
11356 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
11358 * flow.c (verify_flow_info): Revamp code to verify that the
11359 head and end of each basic block are in the insn chain.
11361 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
11363 * gcse.c (record_one_set): Prepend instead of append onto
11364 reg_set_table, making it O(n) instead O(n^2).
11365 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
11366 Use a queue instead of a stack as worklist.
11368 2000-07-20 Kazu Hirata <kazu@hxi.com>
11370 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
11371 * h8300.h (OK_FOR_T): New.
11372 (EXTRA_CONSTRAINT): Support OK_FOR_T.
11373 * h8300.md: Use inc/dec.[wl] for increment/decrement
11374 by 1 and 2 in HI and SI modes.
11376 2000-07-20 Jim Wilson <wilson@cygnus.com>
11378 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
11379 larger than 14 bits.
11381 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
11383 * cppmacro.c (CAN_PASTE_AFTER): New macro.
11384 (count_params): Don't set GNU_REST_ARGS on anything.
11385 (save_expansion): Set PASTE_LEFT only on tokens for which
11386 CAN_PASTE_AFTER is true, or which are named operators.
11388 * cpplex.c (parse_args): Distinguish between a rest argument
11389 given one empty argument, and a rest argument given zero arguments.
11390 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
11391 deletion of previous token based on that.
11392 (get_raw_token): Flatten some control structure.
11394 * cpplib.h (CPP_LAST_EQ): Correct.
11395 (VOID_REST): New token flag.
11396 (GNU_REST_ARGS): Delete.
11398 * tradcpp.c (main): Don't munge -D options.
11399 (make_definition): Bring -D handling in line with cpplib.
11400 (do_define): Strip all leading whitespace from macro definitions.
11402 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
11404 * Makefile.in (tradcpp): Depend on intl.o and version.o.
11406 2000-07-20 Bruce Korb <bkorb@gnu.org>
11408 * fixincl/check.tpl: strip the platform specific types before testing
11409 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
11410 * fixincl/fixincl.tpl: use platform specific types
11411 * fixincl/fixlib.h: include the platform specific types
11412 * fixincl/inclhack.def(gnu_types): don't supply the types
11413 * fixincl/fixincl.x: regen
11415 2000-07-19 Jim Wilson <wilson@cygnus.com>
11417 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
11420 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11422 * tradcpp.c (rescan): Do not recognize directives when the #
11425 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11427 Implement C++ named operators.
11429 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
11430 of operators allowed in #if and having an _EQ variant. Add
11431 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
11432 (cpp_token flags): Add NAMED_OP.
11433 (enum node_type): Add T_OPERATOR.
11434 (struct cpp_hashnode): Add code slot to value union.
11435 * cpphash.h (spec_nodes): Remove n_defined.
11437 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
11438 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
11439 (is_macro_disabled): Tweak error messages.
11441 * cpplib.c (get_define_node): Disallow all named operators as
11442 macro names. Tweak error messages.
11443 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
11445 * cppinit.c (builtin_array): Add entries for the named operators.
11446 * cppexp.c (lex): Check for CPP_DEFINED token.
11447 (priority table): Add entries for CPP_MIN and CPP_MAX.
11448 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
11450 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
11452 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
11453 larger than the array of cuids.
11454 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
11457 2000-07-19 Bruce Korb <bkorb@gnu.org>
11459 * fixinc/fixincl.c: Convert to using a table of environment variables
11460 and activate the auto-edit marker on the fixed output files.
11461 * fixinc/fixlib.h: Define the environment table
11462 * fixinc/fixincl.sh: export the ${INPUT} dir
11463 * fixinc/check.tpl: likewise
11465 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11467 * gcc.c (.h spec): Fix typo.
11469 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
11471 * Makefile.in: Fix tradcif.c path.
11473 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11475 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
11478 * cpphash.h (TOKEN_NAME): New macro.
11479 (_cpp_spell_operator): Deleted.
11480 (token_spellings): Now _cpp_token_spellings.
11482 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
11483 * cpplex.c: Use OP and TK macros when expanding the
11484 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
11485 store the stringification of the enumeration name (CPP_CHAR,
11486 etc.) in the name slot of token_spellings.
11487 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
11488 token_spellings directly.
11489 * cpplib.c: Use TOKEN_SPELL.
11491 * cpplex.c (_cpp_push_token): If the token being pushed back
11492 is the previous token in this context, just subtract one from
11494 * cppmacro.c (save_expansion): Clear aux field when storing a
11497 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11499 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
11500 buffer, provided it is not NULL.
11502 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
11504 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
11505 case of invalid volatile re-declaration.
11507 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11509 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
11510 (expand_call): Adjust caller.
11512 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
11514 * diagnostic.h (report_diagnostic): Change prototype.
11516 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
11517 diagnostic_for_decl): Change prototype.
11518 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
11519 error, warning, error_with_file_and_line,
11520 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
11521 Adjust call to report_diagnostic, diagnostic_for_decl.
11522 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
11523 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
11525 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
11526 varaible argument list.
11528 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11530 * cpphash.c: Don't include hashtab.h. Most macro-handling code
11531 moved to cppmacro.c.
11532 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
11533 dump_hash_helper): Delete.
11534 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
11535 cpp_forall_identifiers): New. Implement specialized version of
11536 Vlad's expandable hash table.
11537 (cpp_lookup): Use new functions.
11538 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
11540 * cppmacro.c: New file.
11541 * cppinit.c (dump_macros_helper): New.
11542 (cpp_finish): Iterate over the identifier table directly.
11543 * cpplex.c (parse_name): Calculate the hash of the identifier
11544 while we scan it. Use _cpp_lookup_with_hash when we can.
11546 * cpphash.h: Update prototypes.
11547 (xcnewvec, HASHSTEP): New helper macros.
11548 * cpplib.h: Update prototypes.
11549 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
11550 (cppmacro.o): New rule.
11551 (cpphash.o): Update deps.
11553 * cppmain.c: Do not set pfile->printer if no_output is on.
11555 2000-07-15 Neil Booth <neilb@earthling.net>
11557 * cpplib.c: Change all directive-handler functions to return
11559 * cpphash.h: Update typedefs.
11561 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11563 * configure: Regenerate.
11565 * extend.texi (Extended Asm): Mention that a memory clobber
11566 does not count as a side-effect.
11568 * unroll.c (copy_loop_body): Fix one instance of using host
11569 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
11572 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
11574 2000-07-17 Richard Henderson <rth@cygnus.com>
11576 * config/ia64/ia64.md (movdi): Split out load address code.
11577 New post-reload splitter for symbolic operands.
11578 (movdi_internal): Abort if we didn't split symbolic operands
11579 when we should have.
11580 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
11581 (ia64_reorg): Split insns when not optimizing.
11582 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
11584 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11586 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
11587 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
11589 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11591 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
11593 2000-07-17 Jason Merrill <jason@redhat.com>
11595 * Makefile.in (clean): Remove libgcc directory.
11597 * configure.in (-Wno-long-long check): Use higher-level macros.
11599 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11601 * simplify-rtx.c (simplify_binary_operation): Recognize
11602 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
11603 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
11604 a CONST_INT, it will always be zero.
11606 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11608 * loop.c (check_dbra_loop) : Return if more than one condition is
11609 present to control the loop.
11611 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
11613 * mips.c (mips_expand_prologue): Don't calculate the last argument
11614 register unless we need it. When we are calculating this, make
11615 sure FUNCTION_ARG is giving us a REG.
11617 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11619 * flow.c (libcall_dead_p): Use single_set to verify the insn
11620 has only one set and get for analysis.
11621 (propagate_one_insn): Don't pass the PATTERN of the insn.
11623 2000-07-17 Mark Klein <mklein@dis.com>
11625 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
11627 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11629 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
11630 * configure.in (TARGET_GETGROUPS_T): Evaluate.
11631 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
11632 of second argument of getgroups.
11633 * configure, config.in: Rebuilt.
11635 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11637 * simplify-rtx.c (simplify_relational_operation): Two signed
11638 values with equal high words are less/greater than each other if
11639 their low words are less/greater when considered as unsigned.
11641 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
11643 * configure.in (vax-*-openbsd): Change to new style configuration,
11644 add collect2/float_format information.
11645 * configure: Rebuilt.
11646 * config/vax/openbsd1.h: New.
11647 * config/vax/openbsd.h: New.
11648 * config/vax/t-openbsd: New.
11650 2000-07-17 Chip Salzenberg <chip@valinux.com>
11652 * c-common.c (shorten_compare): Quiet warnings about unsigned
11653 comparisons with zero when they occur in a system header.
11655 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
11657 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
11658 update to describe current practice.
11660 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
11662 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
11663 references to C9X. Change references to -fstd and -flang-isoc9x
11666 * c-common.c (scan_char_table): Allow "z" length modifiers on
11668 (check_format_info): Use TYPE_DOMAIN on the type matched against
11669 for "z" formats, to retrieve the language size_t rather than the
11672 * c-common.c (check_format_info): Do not make a pedantic objection
11673 to the 'L' length modifier if used with a floating point type
11676 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
11677 constants in C99 mode.
11679 2000-07-17 Kazu Hirata <kazu@hxi.com>
11681 * h8300.md: Fix the format of mac.
11682 (movsi_h8300hs): Output a tab after stmac instead of a space.
11684 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
11685 profitable adds/subs sequences.
11687 * fold-const.c: Fix comment typos.
11689 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
11691 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
11693 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11695 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
11697 2000-07-16 Neil Booth <NeilB@earthling.net>
11699 * cpplex.c: Update comments.
11700 * README.Portability: Small update.
11702 2000-07-16 Neil Booth <NeilB@earthling.net>
11704 * README.Portability: Small update.
11706 2000-07-15 Richard Henderson <rth@cygnus.com>
11708 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
11709 * config/ia64/ia64.c (ia64_move_ok): New function.
11710 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
11711 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
11713 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
11715 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
11716 immediately following a paste operator.
11717 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
11718 (cpp_reader_init): Call it, if HOST_EBCDIC.
11719 (cpp_handle_options): Do not sort option list here.
11720 (handle_option): Rename to cpp_handle_option and export.
11721 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
11722 _cpp_get_token directly.
11723 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
11724 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
11725 * cpplib.h: Prototype cpp_handle_option. Update prototype of
11728 2000-07-15 Richard Henderson <rth@cygnus.com>
11730 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
11731 cast around an expression. Tidy other unsigned tests.
11733 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
11735 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
11736 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
11737 (v_message_with_decl): Rename to ...
11738 (format_with_decl): ... this. Tweak
11739 (diagnostic_for_decl): New function.
11740 (fatal_io_error): Use verbatim in lieu of notice.
11741 (announce_function): Use verbatim.
11742 (default_print_error_function): Likewise.
11743 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
11746 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11748 * mips.c (function_arg_pass_by_reference): Don't do automatic
11749 aggregate initialization.
11750 (machine_dependent_reorg): Initialize variable `mode'.
11752 * mips.md (absdi2): Change variable `regno1' to unsigned int.
11753 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
11754 conflicts with sys/param.h macro of the same name.
11755 (reload_outdi): Likewise.
11757 2000-07-15 Michael Meissner <meissner@redhat.com>
11759 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
11760 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
11761 create a new node instead.
11763 2000-07-15 Neil Booth <NeilB@earthling.net>
11765 * README.Portability: Correct example about calling a function
11766 through a pointer to function. Format wide paragraphs.
11768 2000-07-15 Michael Meissner <meissner@redhat.com>
11770 * README.Portability: Update integer suffixes and function
11771 prototype sections.
11773 2000-07-15 Neil Booth <NeilB@earthling.net>
11775 * README.Portability: Small update.
11777 2000-07-15 Neil Booth <NeilB@earthling.net>
11779 * README.Portability: New file.
11781 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
11783 * INSTALL: Give special instructions for building GCC on Irix 6.
11784 * config/mips/x-iris6 (CC): Don't set it.
11787 2000-07-14 Jason Merrill <jason@redhat.com>
11789 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
11790 register in the stack and later in another register, use the new
11793 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
11795 * config/mips/mips.md: (absdi2): Handle sign_extend for
11798 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
11800 * cpplib.c (do_pragma_dependency): Tidy warning messages.
11802 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
11804 * .cvsignore: Correct typo.
11806 2000-07-13 Mark Mitchell <mark@codesourcery.com>
11808 * .cvsignore: Add generated YACC files.
11809 * objc/.cvsignore: New file.
11811 2000-07-14 Neil Booth <NeilB@earthling.net>
11813 * cpplex.c (adjust_column): New funcion.
11814 (skip_whitespace): Use it.
11815 (skip_block_comment): Use it, and warn about /*/* with
11818 2000-07-14 Neil Booth <NeilB@earthling.net>
11820 * cpphash.c (struct macro_info): Add new members.
11821 (_cpp_free_definition): Delete the macro directly.
11822 (count_params): Return void, with first token of
11823 expansion in struct macro_info on success.
11824 (parse_define): Return int. Hoist syntax checking from
11825 save_macro_expansion. Leave call to save_expansion to
11826 _cpp_create_definition.
11827 (alloc_macro): Needs just 2 arguments.
11828 (free_macro): Delete.
11829 (save_expansion): Don't perform syntax check.
11830 (_cpp_create_definition): Call save_expansion.
11832 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11834 * genrecog.c (write_header): Split long string.
11836 * cpphash.c (macro_info): Don't use the `signed' keyword.
11838 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
11840 2000-07-13 Jakub Jelinek <jakub@redhat.com>
11842 * calls.c (stored_args_map): New variable.
11843 (check_sibcall_argument_overlap_1): New.
11844 (check_sibcall_argument_overlap): New.
11845 (expand_call): Initialize stored_args_map.
11846 Call check_sibcall_argument_overlap.
11848 2000-07-13 Bruce Korb <bkorb@gnu.org>
11850 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
11851 (emit_gnu_type): utility procedure for gnu_type_fix
11852 (gnu_type_fix): implement various pre-processor guards around
11853 standard types so these types can be defined over and over
11854 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
11855 types alluded to above will have GNU-compliant base types
11856 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
11857 * fixinc/inclhack.def: add test_text entries and utilize the new
11858 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
11859 * fixinc/fixincl.x: regenerate
11861 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11863 * diagnostic.c (vline_wrapper_message_with_location,
11864 v_message_with_file_and_line, v_error_with_file_and_file,
11865 v_error_for_asm, v_warning_for_asm, vfatal,
11866 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
11867 vsorry, verror, vwarning, vpedwarn): Remove.
11868 (diagnostic_for_asm): New function.
11869 (pedwarn, error, warning, pedwarn_with_file_and_line,
11870 error_with_file_and_line, warning_with_file_and_line, sorry,
11871 error_for_asm, warning_for_asm, fatal): Reimplement.
11872 (finish_diagnostic): Clear diagnostic info as well.
11874 2000-07-13 Neil Booth <NeilB@earthling.net>
11876 * c-common.h (flag_digraphs): New.
11877 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
11878 * c-lex.c (yylex): Use flag_digraphs to decide whether to
11881 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
11883 * gcc.c (do_spec_1): Add new %B operator.
11884 (set_input): Prepare for %B.
11886 (link_command_spec): Move up with the other tm.h-
11887 overrideable specs. Factor out the portion conditional on
11888 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
11889 (struct compiler): Just have a single spec string. All users
11891 (default_compilers): Remove unnecessary braces.
11892 (static_specs): Update.
11894 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
11896 (C and assembly specs): Use the new named specs, as appropriate.
11898 * objc/lang-specs.h: Use the new named specs.
11899 Remove unnecessary braces.
11901 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11903 * gcc.c (execute): If a subprocess gets a fatal signal, report
11904 strsignal() of the signal number, and ask for a bug report.
11905 Do not do this for SIGPIPE if there's already been an error.
11907 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
11908 Delete pipe_closed.
11910 * tradcif.c: Remove.
11912 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11914 * final.c (profile_function): Do not emit profile counters in
11915 the data section, if NO_PROFILE_COUNTERS is defined.
11916 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11919 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11920 (FUNCTION_PROFILER): Just emit a call to mcount.
11922 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11924 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11926 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11927 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11928 traditional, lang_chill, or lang_fortran.
11930 * cppfiles.c: #undef strcmp to suppress warning about macros
11931 used without arguments.
11932 (_cpp_execute_include): Use f, not fname, in "No include path"
11934 (_cpp_pop_file_buffer): New function.
11935 * cpplib.c: Don't include <sys/mman.h>.
11936 (cpp_push_buffer): Set line_base and lineno in new buffer.
11937 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
11939 * cpplex.c: Move all prototypes and structure declarations to the
11940 top of the file. Properly parenthesise some macro arguments.
11941 (cpp_scan_line): New function.
11942 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
11943 don't need to walk up the stack counting.
11945 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11947 * c-common.c (combine_strings): Emit a pedantic warning when a
11948 string length is greater than the minimum ANSI C is required
11951 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
11953 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
11954 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
11956 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11958 * c-decl.c (define_label): Warn about identifier conflicts with
11959 labels in traditional C.
11961 * c-parse.in (unop +): Warn about the unary plus operator for
11964 * c-typeck.c (store_init_value): Warn about automatic aggregate
11965 initialization for traditional C.
11967 * invoke.texi (-Wtraditional): Document new warnings.
11969 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11971 * Makefile.in (c-errors.o): Fix thinko in dependency.
11973 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11975 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
11976 -traditional, -ftraditional, or -traditional-cpp was given.
11977 Do not pass -traditional to the preprocessor.
11978 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
11979 preprocessor does it automatically.
11980 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
11982 * ch/lang-specs.h: Always use tradcpp. Do not pass
11983 -traditional, -trigraphs, or -pedantic to the preprocessor.
11984 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
11987 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11989 * cppexp.c (LOGICAL): Delete macro.
11990 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
11993 * cpphash.c (HASHSIZE): Increase to 4096.
11994 (struct hashdummy): Add hash field.
11995 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
11996 the string values using memcmp.
11997 (cpp_lookup): Set dummy.hash.
11999 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
12001 * configure.in (m88k-openbsd): Express configuration using new fragment
12003 * configure: Rebuilt.
12004 * m88k/aout-dbx.h: New.
12005 * m88k/openbsd.h: New.
12006 * m88k/xm-openbsd.h: New.
12008 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12010 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
12012 2000-07-12 Richard Henderson <rth@cygnus.com>
12014 * reload.c (push_secondary_reload): Make sure to add the new
12015 reload at the end, after acquiring secondary memory.
12017 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12019 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
12021 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
12022 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
12024 * c-parse.in (stmt): Delete unused variables.
12026 * convert.c (convert_to_vector): Likewise.
12028 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
12030 * tree.c (finish_vector_type): Prototype.
12032 2000-07-12 Bruce Korb <bkorb@gnu.org>
12034 * fixinc/fixfixes.c: use xmalloc
12035 * fixinc/fixincl.c(initialize): set program name for xmalloc
12036 * fixinc/fixlib.c(must_malloc): obsolete
12037 (is_cxx_header): no longer used - disabled
12038 (skip_quote): inserted and disabled for future use
12039 * fixinc/fixlib.h: reflects above
12040 * fixinc/fixtests.c: removed dinkleberries
12042 2000-07-12 Neil Booth <NeilB@earthling.net>
12044 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
12045 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
12047 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
12048 struct toklist_dummy): New.
12049 (cpp_free_definition): Free macros with free_macro.
12050 (count_params): Don't save paramter spellings. Save macro
12051 information in a struct macro_info.
12052 (parse_define): Don't allocate a token list.
12053 (save_expansion): Allocate the macro's token list, and
12054 save parameter spellings if necessary. Use TOKEN_SPELL.
12055 (cpp_create_definition): Make list const.
12057 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12059 * c-typeck.c (pedwarn_c99): Move to
12060 * c-errors.c: ... Here.
12061 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
12062 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
12063 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
12064 (c-errors.o): List dependency.
12066 2000-07-12 Mark Mitchell <mark@codesourcery.com>
12068 * c-parse.c: Remove.
12069 * c-parse.h: Likewise.
12070 * c-parse.y: Likewise.
12071 * objc/objc-parse.c: Likewise.
12072 * objc/objc-pasre.y: Likewise.
12074 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
12076 * gcc.texi: Fix minor typos
12077 * extend.texi: Fix minor typos
12079 2000-07-11 Marc Espie <espie@openbsd.org>
12081 * collect2.c (main): Recognize .lo as object files.
12083 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12085 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
12088 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
12089 with MAP_ANONYMOUS and MAP_ANON.
12090 * configure, config.in: Rebuilt.
12092 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12094 * diagnostic.c (save_output_state): Remove.
12095 (restore_output_state): Likewise.
12096 (clear_text_info): New function.
12097 (clear_diagnostic_info): Likewise.
12098 (output_text_length, is_starting_newline, output_prefix,
12099 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
12100 prefixing_policy, output_buffer_ptr_to_format_args): New macros
12101 (set_real_maximum_length, output_set_maximum_length,
12102 output_set_prefix, output_get_prefix, output_set_maximum_length,
12103 output_destroy_prefix, init_output_buffer,
12104 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
12105 output_add_newline, output_add_character, output_add_space,
12106 output_append_r, output_append, wrap_text, output_format,
12107 output_do_printf, output_printf, output_do_verbatim,
12108 output_verbatim, verbatim): Use them.
12109 (output_clear): Split into cleat_text_info and
12110 clear_diagnostic_info.
12111 (struct output_state): Move to...
12113 * diagnostic.h: ...Here
12114 (struct output_buffer): Adjust.
12116 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
12118 * cpplex.c (parse_name): No longer inline (premature optimization).
12119 (do_pop_context): Fold into pop_context.
12120 (pop_context): Returns int.
12121 (lex_next): Hoist test for end of directive into pop_context.
12122 (push_macro_context): Returns int; takes just reader and token.
12123 Hoist test for excessive nesting to caller.
12124 (push_arg_context): Returns void; takes just reader and token.
12125 Do not call stringify_arg or get_raw_token.
12126 (get_raw_token): Convert tail recursion through push_arg_context
12127 to a loop at this level. Call stringify_arg here if appropriate.
12128 (maybe_paste_with_next): Convert tail recursion to a while loop.
12129 Hoist test of paste_level to caller.
12131 (stringify_arg): Push arg context at beginning.
12132 (cpp_get_token): Split out core into _cpp_get_token. Call
12133 process_directive here. Throw away CPP_PLACEMARKER tokens.
12134 (_cpp_get_token): Convert tail recursion through
12135 push_macro_context to a loop at this level.
12136 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
12137 _cpp_get_raw_token): Use _cpp_get_token.
12138 (_cpp_skip_rest_of_line): Drop the context stack directly; do
12139 not call pop_context.
12140 (_cpp_run_directive): Call lex_next directly.
12142 * cpphash.h: Prototype _cpp_get_token.
12143 * cppexp.c (lex): Use it.
12144 * cpphash.c (parse_define): Use it.
12145 * cpplib.c (get_define_node, do_undef, parse_include,
12146 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
12147 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
12148 parse_ifdef, validate_else): Use it.
12149 (cpp_push_buffer): Tweak error message; abort if anyone tries
12150 to push a buffer while macro expansions are stacked.
12152 2000-07-11 Donn Terry <donnte@microsoft.com>
12154 * cpplex.c (free_macro_args, save_token): Cast arg of free
12155 and/or xrealloc to PTR.
12156 (_cpp_init_input_buffer): Clear all fields of the base context.
12158 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
12160 * gensupport.c (process_rtx): Make rtl checking stop
12161 complaining about the define_insn while it is being
12162 converted from a define_insn_and_split.
12164 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
12166 * config/mips/mips.c (simple_memory_operand): Access the
12167 INTVAL of the address, not it's containing MEM.
12169 2000-07-11 Bruce Korb <bkorb@gnu.org>
12171 * fixinc/fixtests.c(double_slash): obsolete
12172 (else_endif_label): likewise
12173 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
12174 (libc1_ifdefd_memx): correct initial comment
12175 and omit the #if/#endif pair from the memxxx declarations
12176 * fixinc/fixincl.x: regen
12178 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12180 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
12182 2000-07-11 Neil Booth <NeilB@earthling.net>
12184 * cpp.texi: Update.
12186 2000-07-11 Neil Booth <NeilB@earthling.net>
12188 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
12189 (handle_option): Set digraphs according to standard.
12190 Merge OPT_lang_c89 handler with OPT_std_c89.
12192 * cpplex.c: (lex_line, can_paste): Honour digraphs in
12193 accordance with the digraphs flag.
12195 * cpplib.h: (struct cpp_options): New option digraphs.
12197 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
12198 Bruce Korb <bkorb@gnu.org>
12200 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
12201 * fixinc/fixincl.x: Regenerate.
12202 * fixinc/tests/base/testing.h: Add testcase.
12204 2000-07-10 Richard Henderson <rth@cygnus.com>
12206 * config/ia64/ia64.c (got_symbolic_operand): New.
12207 (symbolic_operand, move_operand): Revert 0701 change.
12208 * config/ia64/ia64.h (PREDICATE_CODES): Update.
12209 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
12210 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
12211 split the offset into a 14-bit low part instead of a 13-bit low part.
12212 (load_fptr): Mark the mem as unchanging.
12213 (load_symptr): Use got_symbolic_operand.
12215 2000-07-10 Nick Clifton <nickc@cygnus.com>
12217 * libgcc2.c (next_stack_level): Cast result of computation to
12218 (void **) so that the assignment does not generate a warning.
12220 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
12222 * flags.h : Add new variable flag_single_precision_constant.
12223 * toplev.c (display_help) : Add -fsingle-precision-constant option.
12224 (flag_single_precision_constant): New.
12225 * c-lex.c (yylex): Convert floating point constant to single
12226 precision constant.
12227 * invoke.texi : Add documentation for this new option.
12229 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12231 * diagnostic.c (output_octal): Second parameter is unsigned.
12232 (output_long_octal): Likewise.
12233 (output_hexadecimal): Likewise.
12234 (output_long_hexadecimal): Likewise.
12235 (output_format): Adjust arguments extraction. Tweak.
12236 (output_verbatim, verbatim): End variable argument list.
12237 (report_diagnostic): Improve documentation.
12239 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
12241 * c-common.h (build_stmt): Declare.
12242 (build_continue_stmt): Likewise.
12243 (build_break_stmt): Likewise.
12244 (build_return_stmt): Likewise.
12246 * c-decl.c (do_case): Rewrite to do what previously done in
12249 * c-semantics.c (build_stmt): Define.
12250 (build_return_stmt): Likewise.
12251 (build_break_stmt): Likewise.
12252 (build_continue_stmt): Likewise.
12253 (build_case_label): Likewise.
12255 * c-parse.in (BREAK): Change to build tree, then generate RTL.
12256 (CONTINUE): Likewise.
12257 (RETURN): Likewise.
12259 (DEFAULT): Likewise.
12261 * c-parse.y: Regenerate.
12262 * c-pasre.c: Likewise.
12264 2000-07-09 Jason Merrill <jason@redhat.com>
12266 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
12268 * tree.h (STRIP_NOPS): Check for error_mark_node.
12269 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
12270 (dwarf2out_*): Remove duplicate declarations.
12272 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
12273 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
12275 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12277 * diagnostic.c (wrap_text): New function.
12278 (maybe_wrap_text): Likewise.
12279 (output_add_string): Use it.
12280 (output_format): Likewise.
12281 (count_error): Use verbatim instead of notice.
12282 (report_error_function): Likewise. Don't use plain fprintf.
12283 (finish_diagnostic): New function.
12284 (output_do_verbatim): Tweak. Commonalize functionalities in
12285 output_verbatim and verbatim.
12286 (output_verbatim): Adjust.
12287 (verbatim): Likewise.
12288 (report_diagnostic): Define.
12290 * diagnostic.h (report_diagnostic): Prototype.
12292 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
12294 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
12296 2000-07-09 Neil Booth <NeilB@earthling.net>
12298 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
12299 IShspace, ISspace: Update.
12301 * cppinit.c: ISTABLE: Update.
12304 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
12305 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
12306 (skip_block_comment, skip_line_comment, parse_string,
12307 lex_line): Use is_vspace rather than IS_NEWLINE.
12308 (skip_whitespace, lex_line): Clean up to use is_nvspace.
12309 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
12311 (lex_next): Unconditionally stop if within a directive.
12312 Treat directives within macro invocations as directives
12313 (after parse_args emits error), not as the argument.
12315 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
12317 * diagnostic.c (diagnostic_args): New macro.
12318 (diagnostic_msg): Likewise.
12319 (output_formatted_integer): Likewise.
12320 (output_state): New data type.
12321 (digit_buffer): Make global.
12322 (output_add_integer): Rename to output_decimal. Squeeze
12324 (output_long_decimal, output_unsigned_decimal,
12325 output_long_unsigned_decimal, output_octal, output_long_octal,
12326 output_hexadecimal, output_long_hexadecimal): New functions.
12327 (output_append_r): New function.
12328 (output_append): Tweak.
12329 (output_flush_on): Rename to output_to_stream.
12330 (output_format): Change prototype. Improve documentation. Handle
12331 more format specifiers.
12332 (build_location_prefix): Rename to context_as_prefix.
12333 (output_notice): Rename to output_do_printf.
12334 (output_printf): Tweak.
12335 (line_wrapper_printf): Likewise.
12336 (vline_wrapper_message_with_location): Adjust call to renamed
12338 (v_message_with_decl): Likewise.
12339 (default_print_error_function): Likewise.
12340 (save_output_state): New function.
12341 (restore_output_state): Likewise.
12342 (output_do_verbatim): Likewise.
12343 (output_verbatim): Define.
12344 (verbatim): Likewise.
12346 * diagnostic.h (printer_fn): Change return type from void to int.
12347 Improve documentation.
12348 (output_add_integer): Rename to output_decimal.
12349 (output_flush_on, output_format): Don't export.
12350 (output_verbatim, verbatim): Declare.
12352 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
12354 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
12355 Check whether c divides op1 exactly if operation is not
12358 2000-07-08 Richard Henderson <rth@cygnus.com>
12360 * final.c (final): Do not abort when reg-stack introduces
12363 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
12365 * cpplib.h (struct cpp_name): Now struct cpp_string.
12366 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
12367 CPP_HEADER_NAME): Change to type S.
12368 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
12369 field, a cpp_hashnode *. All references to val.name updated
12370 to use val.str or val.node as appropriate.
12371 (struct cpp_reader): Add spec_nodes field.
12372 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
12374 * cpphash.h (struct spec_nodes): New.
12375 (enum spell_type): Reorder. Only SPELL_STRING tokens use
12376 val.str. All references to 'spelling > SPELL_NONE' updated to
12379 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
12380 pfile->buffer->inc are not NULL before dereferencing them.
12382 * cpplex.c (parse_name): Take a pointer to the current token,
12383 plus current position and limit as args; return the new
12384 position; don't copy the text of a name into the string
12385 buffer, instead call cpp_lookup and store the node pointer.
12386 If extending a token, copy out the text of the old into a
12387 scratch buffer, append the new, look that up and store the new
12388 node pointer. Inline.
12389 (maybe_paste_with_next): If the result of paste is a NAME,
12390 then look up the pasted text and store its node pointer.
12391 (lex_line): Adjust for new parse_name interface.
12392 Check for L"str", L'str' using spec_nodes->n_L.
12393 (spell_token): SPELL_IDENT tokens have their spelling in
12394 val.node->name. Handle SPELL_STRING tokens that don't have
12396 (_cpp_expand_name_space,
12397 (can_paste): Check for L ## "str" using spec_nodes->n_L.
12398 (cpp_get_token, special_symbol): No need to call cpp_lookup.
12399 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
12400 return 1=equal 0=not, not a tristate.
12402 * cpphash.c (var_args_str): Delete.
12403 (find_param): Compare node fields directly.
12404 (is__va_args__): Use CPP_PEDANTIC. Just compare
12405 token->val.node with spec_nodes->n__VA_ARGS__.
12406 (dump_funlike_macro): Don't use var_args_str.
12408 * cpplib.c (_cpp_check_directive): Just walk through
12409 spec_nodes->dirs comparing pointers.
12410 (get_define_node, do_pragma_poison, detect_if_not_defined,
12411 parse_ifdef): The identifier has already been looked up.
12412 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
12414 (do_if): Only call detect_if_not_defined at beginning of file.
12415 (_cpp_parse_assertion): Only copy string pointers for
12416 SPELL_STRING tokens.
12417 (pragma_dispatch): Take a node pointer and examine its name
12419 (_cpp_init_stacks): Also initialize the spec_nodes structure.
12421 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
12423 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
12424 reverse order from the corresponding _cpp_init_* routines.
12426 * cppexp.c (parse_number, parse_charconst, parse_defined,
12427 lex): Check val.node->type instead of calling cpp_defined.
12428 Use spec_nodes entries where appropriate.
12430 * fix-header.c, scan-decls.c: Update for interface changes.
12432 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
12434 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
12435 emitting aux_truncdfsf2.
12437 2000-07-03 Donn Terry (donnte@microsoft.com)
12439 * cppinit.c (print_help): split overlong line into ISO C89
12442 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12444 * cppexp.c: Update all code for new lexer interface.
12445 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
12446 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
12447 * cpplex.c (token_names): Trim leading CPP_ from names; make
12448 the strings unsigned.
12449 (_cpp_spell_operator): New.
12450 (is_macro_disabled): Disable all macros if rescanning
12452 (_cpp_get_directive_token): Remove.
12454 * cppinit.c: Don't set no_macro_expand.
12455 * cpplib.c (read_line_number, do_line): Check only for EOF,
12457 * cpphash.h: Update prototypes.
12458 * cpplib.h (CPP_VSPACE): Remove.
12459 (struct cpp_reader): Remove no_macro_expand.
12461 2000-07-08 Neil Booth <NeilB@earthling.net>
12463 * cpphash.c (is__va_args__): New function.
12464 (count_params): Fix line reported in error messages. Use
12465 is__va_args__. Don't return ')' on error. Flag GNU style
12466 rest args macro definitions.
12467 (parse_define): Check macro name is not __VA_ARGS__.
12468 (save_expansion): Check identifier in non-varargs-macro is
12469 not __VA_ARGS__. Don't flag GNU_VARARGS.
12470 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
12471 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
12472 than per-token GNU_VARARGS.
12473 * cpplib.h (GNU_VARARGS): Remove.
12474 (GNU_REST_ARGS): New.
12476 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12478 * i386.md (call_pop, call, call_value_pop): Do not set
12479 current_function_uses_pic_offset_table for calls to static
12480 functions or indirect calls.
12482 2000-07-07 Jim Wilson <wilson@cygnus.com>
12484 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
12485 is_predicate_reg, then take max write_count of register pair.
12487 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12489 * tradcpp.c (main): Rename label `include' to `add_include' to
12490 avoid conflicts with variable `include' in traditional C.
12492 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12494 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
12496 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12498 * sibcall.c (uses_addressof): Add INMEM argument, check for
12499 current_function_internal_arg_pointer outside of MEM rtxs in addition
12501 (sequence_uses_addressof): Update caller.
12503 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12505 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
12508 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12510 * system.h (UNION_INIT_ZERO): New macro for initializing union
12511 members in structs.
12513 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
12515 2000-07-07 Neil Booth <NeilB@earthling.net>
12517 * cpp.texi: Update.
12519 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
12521 * final.c (final): Detect out of bounds array access to
12522 the insn_lengths array.
12524 2000-07-07 Kazu Hirata <kazu@hxi.com>
12526 * fold-const.c (fold): Fix a comment typo.
12528 2000-07-07 Neil Booth <NeilB@earthling.net>
12530 * cpp.texi: Update to new lexer.
12532 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12534 * tradcpp.c: New file.
12535 * tradcif.y: New file.
12536 * tradcif.c: New generated file.
12538 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
12539 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
12540 dependencies of C. Install tradcpp from install-common, in
12543 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12545 * cppinit.c: Include cppdefault.h. Refer to
12546 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
12547 to GCC_INCLUDE_DIR and its length.
12548 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
12549 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
12550 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
12552 (include_defaults_array): Move to cppdefault.c.
12554 * cppdefault.h: New file.
12555 * cppdefault.c: New file.
12557 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
12558 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
12559 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
12562 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12564 * reload.c (push_reload): When seeing if can reuse a register,
12565 check extra registers against widest of INMODE and OUTMODE.
12567 2000-07-06 Neil Booth <NeilB@earthling.net>
12569 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
12570 based on full length of predicate.
12572 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
12574 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
12575 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
12577 2000-07-05 Kazu Hirata <kazu@hxi.com>
12579 * h8300-proto.h: Fix formatting.
12580 * h8300.c: Likewise.
12581 * h8300.h: Likewise.
12583 2000-07-05 Jim Wilson <wilson@cygnus.com>
12585 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
12588 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
12590 * invoke.texi: Fix minor typos
12591 * md.texi: Fix minor typos
12593 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
12595 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
12597 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12599 * cpplex.c: Don't include sys/mman.h.
12600 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
12602 * cpplib.c: Include sys/mman.h and obstack.h.
12603 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
12605 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
12606 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
12607 bother freeing if stack entries (they will be freed with their buffer).
12608 (do_endif): Free if stack entries from the buffer obstack.
12609 (push_conditional): Allocate if stack entries from the buffer obstack.
12611 (find_answer): Rename to _cpp_find_answer.
12612 (do_assert, do_unassert): Update.
12614 * cpphash.h: Update prototypes.
12615 (xobnew): New convenience macro.
12616 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
12618 (struct cpp_hashnode): Remove disabled field.
12620 * cppinit.c: Don't include hashtab.h or splay-tree.h.
12621 (report_missing_guard): Moved to cppfiles.c.
12622 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
12624 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
12625 cpp_cleanup_includes. Don't destroy hashtab or
12626 all_include_files here.
12627 (cpp_finish): Use _cpp_report_missing_guards.
12629 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
12630 (_cpp_init_include_table): Rename _cpp_init_includes.
12631 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
12633 * cppexp.c (parse_assertion): Update for new name of
12636 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
12638 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12640 * cpplib.c (do_ident): s/VSPACE/EOF/
12642 2000-07-05 Neil Booth <NeilB@earthling.net>
12644 * cpplex.c: Fix trigraph replacement within strings.
12646 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12648 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
12650 * xcoffout.c (assign_type_number): Constify.
12651 (xcoffout_source_file): Add static prototype. Don't needlessly
12652 cast away const-ness.
12654 2000-07-04 Jason Merrill <jason@redhat.com>
12656 * frame.h (frame_state): Move base_offset to end.
12658 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12660 * calls.c (emit_library_call_value_1): Revert previous change.
12662 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12664 * fix-header.c (struct partial_proto): Remove unnecessary fields.
12665 (recognized_extern, recognized_function, read_scan_file):
12666 Update for new scheme.
12667 (check_protection): It's still a multiple include guard even
12668 if it doesn't always trigger.
12669 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
12671 * scan.h: Declare struct cpp_token. Update prototypes.
12673 2000-07-03 Neil Booth <neilb@earthling.net>
12674 Zack Weinberg <zack@wolery.cumb.org>
12676 Complete overhaul of the lexer and macro expander.
12678 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
12679 arg, arglist, argdata, reflist, collect_objlike_expansion,
12680 collect_funlike_expansion, collect_params,
12681 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
12682 unsafe_chars, macarg, compare_defs, special_symbol,
12683 scan_arguments, stringify, funlike_macroexpand,
12684 _cpp_quote_string, monthnames): Delete.
12685 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
12686 _cpp_create_definition, _cpp_dump_definition,
12687 dump_hash_helper): Adjust.
12688 (find_param, count_params, parse_define, var_args_str,
12689 check_macro_redefinition, save_expansion): New.
12691 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
12692 parse_string, output_line_command, trigraph_replace,
12693 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
12694 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
12695 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
12696 _cpp_skip_rest_of_line): Modify.
12698 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
12699 find_position, null_warning, bump_column, expand_name_space,
12700 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
12701 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
12702 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
12703 _cpp_prescan): Delete.
12705 (dump_param_spelling, process_directive, lex_next,
12706 is_macro_disabled, stringify_arg, expand_context_stack,
12707 output_token, make_string_token, alloc_number_token,
12708 special_symbol, duplicate_token, maybe_paste_with_next,
12709 can_paste, prevent_macro_expansion, restore_macro_expansion,
12710 get_temp_token, release_temp_tokens, quote_string,
12711 token_names, token_spellings, _cpp_expand_name_space,
12712 _cpp_glue_header_name, _cpp_reserve_name_space,
12713 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
12714 placemarker_token, eof_token, cpp_context, macro_args,
12715 get_raw_token, parse_arg, parse_args, save_token,
12716 push_arg_context, push_macro_context, pop_context,
12717 do_pop_context, free_macro_args, _cpp_get_line,
12718 _cpp_run_directive): New.
12720 * cpplib.c (validate_else, parse_include, push_conditional,
12721 pass_thru_directive, read_line_number, parse_ifdef,
12722 detect_if_not_defined, _cpp_check_directive, do_define,
12723 do_undef, do_include, do_import, do_include_next, do_error,
12724 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
12725 top_pragmas, do_pragma_gcc, do_pragma_implementation,
12726 do_pragma_poison, do_pragma_system_header,
12727 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
12728 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
12729 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
12730 cpp_defined): Update for new scheme.
12731 (strtoul_for_line, get_define_node, dump_macro_name,
12732 _cpp_check_linemarker, _cpp_parse_assertion): New.
12733 (_cpp_handle_directive, do_pragma_default): Delete.
12735 * cpphash.h (struct predicate): Now struct answer.
12736 (enum spell_type, struct token_spelling, struct directive,
12737 directive_handler): New.
12738 Update prototypes. Remove unused macros.
12739 * cpplib.h: Update prototypes. Remove unused macros,
12740 structure definitions, and fields.
12742 * cpperror.c (print_containing_files, v_message): Adjust.
12743 * cppexp.c (parse_assertion, lex, parse_escape,
12744 _cpp_parse_expr): Adjust.
12745 * cppfiles.c (open_include_file, _cpp_execute_include,
12746 _cpp_compare_file_date, cpp_read_file, read_include_file):
12748 * cppinit.c (dump_special_to_buffer): Delete.
12749 (append_include_chain, merge_include_chains, cpp_reader_init,
12750 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
12751 cpp_finish, handle_option, print_help): Adjust.
12752 * cppmain.c (main): Adjust.
12754 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12756 * cppspec.c (lang_specific_driver): Use double quotes in error
12759 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12761 * calls.c (emit_library_call_value_1): Use valreg instead
12762 of hard_libcall_value.
12764 2000-07-03 Geoff Keating <geoffk@cygnus.com>
12766 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
12767 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
12768 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
12776 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
12777 mode instead of wider_mode is being used.
12779 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12781 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
12782 of 'r'. Use q_regs_operand.
12783 (andsi_1+2): Use q_regs_operand.
12785 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12787 * builtins.c (get_memory_rtx): Always put into alias set 0.
12789 2000-07-03 Nick Clifton <nickc@cygnus.com>
12791 * config/arm/arm.md: Fix post increment and pre increment
12792 peepholes so that they do not generate UNPREDICATBLE opcodes.
12793 (ie ones where the increment clobbers the source/destination).
12795 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
12797 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
12798 change too big for -mtiny-stack" a warning, if larger than 63.
12799 (out_set_stack_ptr): Change the logic so -mno-interrupts is
12800 always safe to use on possible future devices.
12801 (function_prologue): Write SPH before SPL, for consistency.
12802 If interrupt_func_p true, we know we have enabled interrupts.
12803 (avr_num_arg_regs): New function. Round up to even number of
12804 bytes if no -mpack-args or if calling a libgcc function.
12805 (function_arg, function_arg_advance): Use it.
12806 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
12807 Output "movw" if available.
12808 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
12809 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
12810 (asm_output_section_name): Add blanks for consistent output.
12811 (encode_section_info): Set TREE_READONLY for progmem data to
12812 avoid gas warnings about changed section attributes.
12813 (avr_hard_regno_mode_ok): Force non-QImode data to start in
12814 even numbered registers on devices with "movw".
12815 * config/avr/avr.h (MASK_*): Define bits for target_flags.
12816 (TARGET_SWITCHES): Mark help strings for translation.
12817 Add new -mpack-args and -menhanced switches.
12818 (TARGET_OPTIONS): Mark help strings for translation.
12819 (progmem_section): Add section attributes.
12820 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
12821 Output "movw" if available.
12822 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
12824 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
12825 call convention (arguments aligned on even registers).
12826 (_cleanup, _exit): Make weak symbols libc can override.
12828 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12830 * fp-bit.h: New file.
12832 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
12833 Comment #endif statements.
12834 (__thenan_sf, __thenan_df): Add missing braces around initializer.
12836 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
12838 * gcse.c (compute_pre_data): Compute ae_kill using other local
12839 properties instead of calling compute_ae_kill.
12841 * alias.c (init_alias_analysis): Do not call
12842 prologue_epilogue_contains until after reload has completed.
12844 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
12846 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
12847 (genrtl_finish_compound_stmt): Likewise.
12848 (genrtl_compound_stmt): Change to return void.
12850 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
12851 move code from here to ...
12852 (genrtl_compound_stmt): ... here.
12853 (genrtl_finish_compound_stmt): Remove.
12854 (expand_stmt): Add comment.
12856 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
12858 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
12861 2000-07-02 Jakub Jelinek <jakub@redhat.com>
12863 * cpplib.h (struct cpp_reader): New field include_depth.
12864 (struct cpp_printer): Rename last_bsd to last_id.
12865 * cppfiles.c (read_include_file): Bump include_depth.
12866 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
12867 (output_line_command): Output correct #line if a header
12868 is including itself and is not protected against multiple inclusion.
12869 Use include_depth instead of buffer_stack_depth, last_id instead of
12871 * cppinit.c (cpp_start_read): Initialize last_id instead of
12874 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
12876 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
12877 (c-semantics.o): New target.
12879 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
12880 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
12881 (genrtl_clear_out_block): Likewise.
12882 (genrtl_goto_stmt): Likewise.
12883 (genrtl_expr_stmt): Likewise.
12884 (genrtl_decl_stmt): Likewise.
12885 (genrtl_if_stmt): Likewise.
12886 (genrtl_while_stmt): Likewise.
12887 (genrtl_do_stmt): Likewise.
12888 (genrtl_return_stmt): Likewise.
12889 (genrtl_for_stmt): Likewise.
12890 (genrtl_break_stmt): Likewise.
12891 (genrtl_continue_stmt): Likewise.
12892 (genrtl_scope_stmt): Likewise.
12893 (genrtl_switch_stmt): Likewise.
12894 (genrtl_case_label): Likewise.
12895 (genrtl_begin_compound_stmt): Likewise.
12896 (gerntl_finish_compound_stmt): Likewise.
12897 (genrtl_compound_stmt): Likewise.
12898 (genrtl_asm_stmt): Likewise.
12899 (genrtl_decl_cleanup): Likewise.
12900 (DECL_ANON_UNION_ELEMS): Likewise.
12901 (emit_local_var): Likewise.
12902 (make_rtl_for_local_static): Likewise.
12903 (expand_cond): Likewise.
12904 (expand_stmt): Likewise.
12905 (c_expand_return): Likewise.
12906 (c_expand_start_case): Likewise.
12907 (do_case): Likewise.
12908 (COMPOUND_STMT_NO_SCOPE): Likewise.
12909 (c_expand_asm_operands): Likewise.
12910 (NEW_FOR_SCOPE_P): New macro.
12911 (expand_expr_stmt_fn): New type.
12913 (set_current_function_name_declared): Likewise.
12914 (current_function_name_declared): Likewise.
12915 (lang_expand_stmt): Likewise.
12916 (stmts_are_full_exprs_p): Likewise.
12917 (anon_aggr_type_p): Likewise.
12918 (lang_expand_expr_stmt): Likewise.
12919 (build_case_label): Likewise.
12921 * c-decl.c (lang_expand_expr_stmt): Initialize.
12922 (stmts_are_full_exprs_p): Define.
12923 (current_function_name_declared): Likewise.
12924 (do_case): Likewise.
12925 (lang_expand_stmt): Likewise.
12926 (set_current_function_name_declared): Likewise.
12927 (anon_aggr_type_p): Likewise.
12929 * c-semantics.c: New file.
12930 (expand_cond): Moved from cp/semantics.c.
12931 (genrtl_do_pushlevel): Likewise.
12932 (genrtl_clear_out_block): Likewise.
12933 (genrtl_goto_stmt): Likewise.
12934 (genrtl_expr_stmt): Likewise.
12935 (genrtl_decl_stmt): Likewise.
12936 (genrtl_if_stmt): Likewise.
12937 (genrtl_while_stmt): Likewise.
12938 (genrtl_do_stmt): Likewise.
12939 (genrtl_return_stmt): Likewise.
12940 (genrtl_for_stmt): Likewise.
12941 (genrtl_break_stmt): Likewise.
12942 (genrtl_continue_stmt): Likewise.
12943 (genrtl_scope_stmt): Likewise.
12944 (genrtl_switch_stmt): Likewise.
12945 (genrtl_case_label): Likewise.
12946 (genrtl_begin_compound_stmt): Likewise.
12947 (genrtl_finish_compound_stmt): Likewise.
12948 (genrtl_compound_stmt): Likewise.
12949 (genrtl_asm_stmt): Likewise.
12950 (genrtl_decl_cleanup): Likewise.
12951 (make_rtl_for_local_static): Moved from cp/decl.c.
12952 (emit_local_var): Likewise.
12953 (expand_stmt): Define.
12955 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
12956 (c_expand_return): Likewise.
12957 (c_expand_start_case): Likewise.
12959 2000-07-01 Richard Henderson <rth@cygnus.com>
12961 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
12962 with the low 13 bits set.
12963 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
12964 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
12965 of the low 13 bits into a CONST plus an adddi3.
12966 (load_symptr): Set RTX_UNCHANGING_P.
12968 See ChangeLog.3 for earlier changes.