1 2000-11-28 Nick Clifton <nickc@redhat.com>
3 * config/arm/arm.md (pic_load_addr): Split into
4 pic_load_addr_arm and pic_load_addr_thumb.
6 * config/arm/arm.c (legitimize_pic_address): Generate either
7 ARM or Thumb versions of pic_load_addr.
8 (arm_finalize_pic): Generate either ARM or Thumb versions of
11 2000-11-28 Richard Henderson <rth@redhat.com>
13 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
14 after sibcall do_pending_stack_adjust.
16 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
18 * jump.c (delete_insn): Check that REG_LABEL note actually contains
21 2000-11-28 Neil Booth <neilb@earthling.net>
23 * c-common.h: Remove flag_digraphs.
24 * c-decl.c: Remove flag_digraphs.
25 (c_decode_option): Don't set it.
26 * c-lex.c (init_c_lex): Don't do anything for digraphs.
28 2000-11-28 Richard Henderson <rth@redhat.com>
30 * c-parse.in (finish_parse): Update for parse_in type change.
33 2000-11-28 Neil Booth <neilb@earthling.net>
35 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
36 indicating whether to scan all buffers on the stack or
38 * cppinit.c (do_includes): Update.
39 * cppmain.c (main): Update.
40 * cpplib.h: Update prototype.
42 2000-11-28 Richard Henderson <rth@redhat.com>
44 * genoutput.c (validate_insn_operands): New.
47 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
48 (divmoddi_internal): Likewise.
49 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
50 * config/i960/i960.md (branch patterns): Likewise.
51 * config/ia64/ia64.md (tbit_and_0): Likewise.
52 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
53 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
54 * config/mips/mips.md (divmodsi4_internal): Likewise.
55 (divmoddi4_internal): Likewise.
56 * config/rs6000/rs6000.md (call patterns): Likewise.
57 * config/sh/sh.md (movsi_y): Likewise.
58 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
60 2000-11-28 Richard Henderson <rth@redhat.com>
62 * config.gcc: Kill residual pyramid support.
64 2000-11-28 Neil Booth <neilb@earthling.net>
66 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
67 * c-decl.c (c_decode_option): Update to match.
68 * c-lex.c (init_c_lex, yyparse): Update to match.
69 * c-lang.c (lang_init_options): Use cpp_create_reader.
70 * cppinit.c (cpp_init): Rename initialize.
71 (cpp_reader_init): Rename cpp_create_reader. Create the
72 reader. Initialize cpplib if appropriate.
73 * cpplib.h (cpp_create_reader) New prototype.
74 (cpp_init, cpp_reader_init): Delete prototypes.
75 * cppmain.c (general_init, setup_callbacks): New functions.
77 * fix-header.c (scan_in): Change type to cpp_reader *.
78 (read_scan_file): Update for new cpplib interface and scan_in type.
80 * cp/decl.c (parse_in): Change to cpp_reader *.
81 (lang_decode_option): Update.
82 * cp/lex.c (lang_init_options): Use new cpplib interface.
83 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
84 * cp/spew.c (read_token): Update.
85 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
87 2000-11-28 Jakub Jelinek <jakub@redhat.com>
89 * loop.c (load_mems): Avoid using next_label to find end_label. If
90 jumping outside of the loop (other than loop end), don't hoist MEMs
93 2000-11-28 Jan Hubicka <jh@suse.cz>
95 * calls.c (expand_call): Don't disable tail recursion based
98 2000-11-28 Neil Booth <neilb@earthling.net>
100 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
101 (struct directive): Drop 4th argument from handlers.
102 (do_define, do_line, do_include, do_undef, do_else, do_elif,
103 do_endif): Similarly.
104 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
105 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
106 (make_definition, make_undef): Take a const char*.
107 (make_assertion): New function.
108 (struct directive_table): Update.
109 (main): Handle -A command line argument.
110 (handle_directive): Drop fourth handler argument.
112 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
114 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
115 is anything but REG or MEM, but look inside STRICT_LOW_PART.
117 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
119 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
120 (IS_ABSOLUTE_PATHNAME): New macro.
121 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
123 2000-11-28 Jakub Jelinek <jakub@redhat.com>
125 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
127 2000-11-27 Jim Wilson <wilson@redhat.com>
129 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
131 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
133 * extend.texi (Nested Functions): Update URL of Usenix paper.
135 2000-11-27 Mark Mitchell <mark@codesourcery.com>
137 * function.c (free_after_compilation): Clear x_clobber_return_insn.
139 2000-11-27 Neil Booth <neilb@earthling.net>
141 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
142 command line options.
143 (cpp_handle_option): Similarly.
144 * cpplib.h (struct cpp_options): Remove warn_paste.
145 * cppmacro.c (paste_tokens): Apart from assembler, make
146 unpasteable token warning mandatory.
148 2000-11-27 Neil Booth <neilb@earthling.net>
150 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
151 (main): Allocate a pending directive set of these. Use it.
152 Merge handling of -D and -U. Update handling of pending
153 directives. Free the memory after use.
155 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
157 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
158 (struct propagate_block_info): Add new member cond_local_set.
159 (propagate_block): Accept new arg cond_local_set. All callers
161 (init_propagate_block_info): Likewise.
162 (calculate_global_regs_live): Allocate & free cond_local_set. Always
163 rescan if there's overlap between cond_local_set and new_live_at_end.
164 (mark_set_1): Set bits either in cond_local_set or local_set, as
166 * basic-block.h (struct basic_block_def): New field cond_local_set.
167 (propagate_block, init_propagate_block_info): Update prototypes.
169 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
171 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
174 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
176 * arm.c (select_dominance_cc_mode): Handle new way that combine
177 canonicalizes conditional compares.
178 (arm_select_cc_mode): Likewise.
179 * arm.md: Garbage collect some dead code.
180 (cmp_and, cmp_ior): New patterns.
181 (splitter for conditional move with inverted false): Use cond_exec
182 and handle unordered comparisons.
184 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
186 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
187 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
188 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
189 ix86_force_to_memory and ix86_free_from_memory.
191 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
193 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
194 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
195 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
196 one_cmpldi2): Merge with splitters to create define_insn_and_split
197 patterns. Remove redundant splits.
198 (peephole2 for add:SI of invalid immediate): New.
199 (peephole2 for minus:SI of invalid immediate): New.
200 (peephole2 for ior:SI of invalid immediate): New.
201 (peephole for merge of move and compare): Convert ot peephole2.
202 (addsf3, adddf3): Mark as commutative.
204 * arm.md (thumb peephole for merging stack adjustments): Convert to
207 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
209 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
211 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
212 (reload_cse_simplify_operands): Do nothing about operands where both
213 the operand and the match_operand fail to give us a mode.
214 * simplify-rtx.c (wrap_constant): New function.
215 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
216 CONST describing the proper mode.
217 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
219 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
220 htab_find_slot_with_hash.
221 (cselib_lookup): Likewise.
223 Based on a patch from Geoff Keating <geoffk@redhat.com>:
224 * loop.c (basic_induction_var): If a REG is set from something
225 that is not a biv, then the REG is not a biv. Even if it is
226 earlier set from something that is a biv.
228 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
230 * configure.in (extra_objs): Enclose extra_headers in quotes.
231 * configure: Rebuilt.
233 2000-11-27 Neil Booth <neilb@earthling.net>
235 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
236 Combine into the new function cb_change_file.
237 (init_c_lex): Update.
238 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
239 (cpp_syshdr_flags): Delete.
240 * cpphash.h (_cpp_do_file_change): New prototype.
241 Move struct cpp_buffer here from...
242 * cpplib.h (struct cpp_buffer): ... here.
243 (enum cpp_fc_reason, struct cpp_file_loc,
244 struct_cpp_file_change, change_file): New.
245 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
246 * cpplib.c (do_line): Update for new cb_change_file callback.
247 (_cpp_do_file_change): New function.
248 (_cpp_pop_buffer): Update to use it.
249 * cppmain.c (move_printer): Delete.
250 (main): Set up single callback cb_change_file.
251 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
252 (cb_change_file): New.
253 * fix-header.c (cur_file, cb_change_file): New.
254 (recognized_function, read_scan_file): Update.
255 * scan-decls.c (scan_decls): Update.
256 * scan.h (recognized_function): Update prototype.
258 2000-11-26 Mark Mitchell <mark@codesourcery.com>
260 * tree.h (mark_tree_hashtable): New function.
261 * tree.c (mark_tree_hashtable_entry): New function.
262 (mark_tree_hashtable): Likewise.
264 2000-11-27 Michael Meissner <meissner@redhat.com>
266 * d30v-protos.h (srelational_si_operator): Correctly spell
268 (urelational_si_operator): Ditto.
269 (relational_si_operator): Ditto.
270 (d30v_expand_prologue): Add prototype.
271 (d30v_expand_epilogue): Ditto.
273 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
275 * d30v.md (movcccc_*): Delete now unused patterns.
276 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
278 (define_cond_exec): Use 'b' to select branch flags.
280 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
282 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
284 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
286 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
288 * c-common.c (c_common_nodes_and_builtins): Declare builtin
291 * extend.texi (strncmp, strncpy): Document new builtins.
293 2000-11-26 Mark Mitchell <mark@codesourcery.com>
295 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
296 a list, to keep track of the sections.
297 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
298 parameter provided will always be a canonical string.
300 2000-11-26 Neil Booth <neilb@earthling.net>
302 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
305 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
307 * makefile.vms: Remove EGCS references.
309 2000-11-26 Ulrich Drepper <drepper@redhat.com>
311 * dwarf2out.c (output_file_names): New function. Compute minimal
312 combination of directory and file name table and emit them.
313 (output_line_info): Remove code to emit directory and file name
314 table and call output_file_names instead.
315 (file_info_cmp): Helper function to sort directory names.
317 2000-11-26 Neil Booth <neilb@earthling.net>
319 * cpplib.h (struct cpp_reader): Remove lang_asm.
320 (struct cpp_options): Remove c89. New members lang,
322 * cppexp.c (parse_number): Use them.
323 * cpphash.h (VALID_SIGN): Use them.
324 * cppinit.c (set_lang, cpp_start_read): Update.
325 * cpplex.c (parse_string, _cpp_lex_token): Update.
326 * cpplib.c (_cpp_handle_directive): Update.
327 * cppmacro.c (parse_args): Update.
328 * cppmain.c (scan_buffer): Update.
330 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
332 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
335 2000-11-26 Neil Booth <neilb@earthling.net>
337 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
338 * c-decl.c: Remove parse_in declaration.
339 * c-lang.c: Similarly.
340 * c-lex.c: Similarly.
341 * c-parse.in: Similarly.
342 * c-pragma.c: Similarly.
343 * configure.in: Similarly.
344 * cp/Make-lang.in: Similarly.
345 * cp/spew.c: Similarly.
346 * cp/decl2.c: Remove check for lang-c++ option.
347 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
348 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
349 * c-lex.h: Add declaration of parse_in.
350 * cppinit.c: Call set_lang after allocating pfile->pending.
351 * configure: Regenerate.
353 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
355 * combine.c (try_combine): Remove redundant test.
357 2000-11-25 Richard Henderson <rth@redhat.com>
359 * c-common.h (DECL_C_HARD_REGISTER): New.
360 * c-decl.c (finish_decl): Set it for asm register variables.
361 * c-semantics.c (emit_local_var): Test it when instantiating one.
363 2000-11-25 Richard Henderson <rth@redhat.com>
365 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
366 lineno for the start of the function.
368 2000-11-25 Richard Henderson <rth@redhat.com>
370 * dwarf2out.c (file_table, file_table_allocated): Remove.
371 (file_table_allocated): Remove.
372 (struct file_table): New.
373 (decl_file_table, line_file_table): New.
374 (print_dwarf_line_table): Use them.
375 (size_of_line_prolog): Likewise.
376 (output_line_info): Likewise.
377 (add_src_coords_attributes): Likewise.
378 (gen_subprogram_die): Likewise.
379 (gen_variable_die): Likewise.
380 (dwarf2out_add_library_unit_info): Likewise.
381 (dwarf2out_line): Likewise.
382 (lookup_filename): Take a struct file_table argument.
383 (init_file_table): New.
384 (dwarf2out_init): Use it.
386 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
388 * invoke.texi: Update sequence points references.
390 2000-11-25 Neil Booth <neilb@earthling.net>
392 * c-common.c: Remove USE_CPPLIB conditional inclusions.
393 * c-common.h: Similarly.
394 * c-decl.c: Similarly.
395 * c-lang.c: Similarly.
396 * c-lex.c: Similarly.
397 * c-parse.in: Similarly.
398 * c-pragma.c: Similarly.
399 * c-pragma.h: Similarly.
401 * toplev.c: Similarly.
402 * cp/cp-tree.h: Similarly.
403 * cp/decl2.c: Similarly.
404 * cp/lang-specs.h: Similarly.
405 * cp/lex.c: Similarly.
406 * cp/lex.h: Similarly.
407 * cp/spew.c: Similarly.
408 * java/lang-options.h: Similarly.
409 * objc/lang-specs.h: Similarly.
410 * objc/objc-act.c: Similarly.
412 * configure.in: Remove configure option.
413 * config.in: Regenerate.
414 * configure: Regenerate.
416 2000-11-25 Richard Henderson <rth@redhat.com>
418 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
419 Revert 2000-11-22 change.
421 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
423 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
426 2000-11-25 Philipp Thomas <pthomas@suse.de>
427 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
428 * configure: Rebuilt.
430 2000-11-25 Jakub Jelinek <jakub@redhat.com>
432 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
433 Handle CONST_INT as second argument.
434 * config/sparc/sparc.c (set_extends): Remove first argument.
435 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
437 (sparc_check_64): Abort if first argument is not REG.
438 If it is DImode REG, look at the lower register of the register
441 * config/sparc/sparc.c (load_pic_register, restore_regs,
442 output_return, sparc_v8plus_shift, sparc_function_profiler,
443 sparc_function_block_profiler, sparc_block_profiler): Fix output
446 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
448 * config/sh/sh.h (TARGET_NONE): New.
449 (TARGET_SWITCHES): For all variant-selecting switch, use
450 TARGET_NONE to reset all other variant-selecting switch. Added
451 empty strings to avoid warnings.
452 (TARGET_DEFAULT): Set to SH1_BIT.
454 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
457 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
458 (sibcall_pcrel): New insn_and_split.
459 (sibcall, sibcall_value, sibcall_epilogue): New expands.
461 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
462 symPLT_label2reg, call, call_value): Don't set
463 current_function_uses_pic_offset_table.
464 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
465 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
466 takes it into account.
467 (FINALIZE_PIC): Delete, useless.
468 (LEGITIMATE_CONSTANT_P): Delete, unused.
469 * config/sh/sh.c (sh_expand_prologue): Don't use
470 current_function_uses_pic_offset_table. Don't special-case
471 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
473 (sh_expand_epilogue, initial_elimination_offset): Don't
474 special case PIC_OFFSET_TABLE_REGNUM.
476 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
478 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
479 * config/sh/sh.md (UNSPEC_CALLER): New constant.
480 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
481 (call_pcrel, call_value_pcrel): New insn_and_splits.
482 (call, call_value): Use them.
483 (call_site): New expand.
484 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
485 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
486 Output call_site label.
487 (PREDICATE_CODES): Added symbol_ref_operand.
488 * config/sh/sh.c (symbol_ref_operand): Define.
489 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
490 to CALL_INSNs in the split sequence.
492 2000-11-24 Nick Clifton <nickc@redhat.com>
494 * config.gcc (v850-*-*): Define c_target_objs and
497 * config/v850/t-v850: Define how to build v850-c.o
499 * config/v850/v850.h (struct data_area_stack_element): Move
500 definition here from v850.c.
502 * config/v850v850.c: Include gcc.h to avoid compile time
504 (push_data_area): Move to v850-c.c.
505 (pop_data_area): Move to v850-c.c.
506 (mark_current_function_as_interrupt): Move to v850-c.c.
507 (GHS_default_section_names): Allow to be exported.
508 (GHS_current_section_names): Allow to be exported.
509 (data_area_stack_elements): Allow to be exported.
510 (ghs_pragma_section): Move to v850-c.c.
511 (ghs_pragma_interrupt): Move to v850-c.c.
512 (ghs_pragma_starttda): Move to v850-c.c.
513 (ghs_pragma_startsda): Move to v850-c.c.
514 (ghs_pragma_startzda): Move to v850-c.c.
515 (ghs_pragma_endtda): Move to v850-c.c.
516 (ghs_pragma_endsda): Move to v850-c.c.
517 (ghs_pragma_endzda): Move to v850-c.c.
519 * config/v850/v850-c.c: New file: Contains v850 specific
520 pragma parsing functions.
522 2000-11-24 Nick Clifton <nickc@redhat.com>
524 * config.gcc (extra_objs): Remove duplicate description.
525 (c_target_objs): New variable. Contains target specific
526 object files for the gcc C compiler only.
527 (cxx_target_objs): New variable. Contains target specific
528 object files for the gxx C++ compiler only.
530 * configure.in (c_target_objs): Substitute in the makefile.
531 (cxx_target_objs): Substitute in the makefile.
532 * configure: Regenerate.
534 * Makefile.in (C_TARGET_OBJS): Define and initialise from
536 (CXX_TARGET_OBJS): Define and initialise from
538 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
540 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
542 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
543 about how the use of the 'c_lex' function requires the use of
544 the target specific, language specific object files feature of
545 the configuration mechanism.
547 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
549 * gcc.c (process_command): Use F_OK, not R_OK.
551 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
553 * flow.c (print_rtl_and_abort): Remove ANSIism.
555 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
557 * config/sh/sh.h (GENERAL_REGISTER_P,
558 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
559 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
561 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
562 * config/sh/sh.c: Use new macros.
563 * config/sh/sh.md: Likewise.
565 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
567 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
568 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
571 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
573 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
575 (machine_dependent_reorg): Wrong optimization based on
576 NOTICE_UPDATE_CC removed.
578 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
580 * jump.c (delete_computation): Re-instate deletion of feeding insn.
581 (delete_insn): Look for REG_LABEL notes.
582 (redirect_tablejump): Delete feeding insns.
584 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
586 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
587 call_value_pop_1): Make sure operand numbers are contiguous.
589 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
591 * reload1.c (conflicts_with_override): New function.
592 (emit_input_reload_insns): Use it to tighten test for validity
593 of substituting into output of previous insn.
595 * haifa-sched.c (struct ready_list): New.
596 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
598 (schedule_insn): Replace args READY and N_READY with a pointer to a
599 ready_list; return void. Use the new functions to access the ready
600 list. All callers changed.
601 (queue_to_ready, debug_ready_list): Likewise.
602 (schedule_block): Initialize a ready_list structure. Use new
603 functions to access it.
604 (max_priority): Remove unused variable.
605 (schedule_insn): Don't set it.
607 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
609 * combine.c (cant_combine_insn_p): New function.
610 (try_combine): Use it.
612 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
613 * c-common.c (c-obstack.c): Include "obstack.h".
614 (struct reverse_tree): Delete.
615 (reverse_list, reverse_max_depth): Delete.
616 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
617 (struct tlist, struct tlist_cache): New.
618 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
619 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
620 warn_for_collisions, warn_for_collisions_1, new_tlist): New
622 (verify_sequence_points): Rewritten.
623 * fold-const.c (fold): Don't lose possibly important sequence
624 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
626 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
628 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
629 when reversing a register-to-register copy. Reversal now disabled
630 when the previous instruction has a REG_EQUIV.
632 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
634 * c-parse.in (unary_expr): Move VA_ARG from here ...
635 (primary): ... to here.
637 2000-11-23 Graham Stott <grahams@redhat.com>
639 * expr.c (store_constructor): If a field is non addressable and
640 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
642 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
644 * flow.c (print_rtl_and_abort): New function.
645 (verify_wide_reg, verify_local_live_at_start): Try to dump more
646 information before aborting.
648 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
650 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
651 is narrower than requested mode.
652 (gen_highpart): Abort if register mode is narrower than
655 2000-11-23 Graham Stott <grahams@redhat.com>
657 * cse.c (cse_insn): Initialise all regcost variables.
658 Fix a typo add missing '='.
659 Only compare costs if there is a replacement insn.
661 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
663 * final.c (output_addr_const) [LABEL_REF]: Simplify.
664 [MINUS]: Enclose non-CONST_INTs in parentheses.
665 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
666 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
667 * varasm.c (decode_rtx_const) [CONST]: If it's not something
668 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
669 instead of abort()ing.
670 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
671 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
672 formerly handled in output_pic_addr_const.
673 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
674 operands of MINUS in CONSTs so that decode_rtx_const() will
677 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
679 * config/sh/sh.md (mova_const): New pattern.
680 (GOTaddr2picreg): Use it.
681 * config/sh/sh.c (broken_move): Match it.
682 (mova_p): Don't match it.
683 (machine_dependent_reorg): Adjust it.
685 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
687 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
688 Moved most register-number #defines...
689 * config/sh/sh.md (define_constants): ... here. Use macros to
690 refer to registers and unspecs.
691 * config/sh/sh.c: Likewise.
693 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
695 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
696 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
697 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
698 (splay-tree.o, hash.o): Likewise.
700 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
701 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
702 (hashtab.o): Likewise.
703 (gcov.o): Depend on $(CONFIG_H).
704 * configure.in: #include insn-codes.h in tm.h.
706 2000-11-22 Nick Clifton <nickc@redhat.com>
708 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
709 const char * to avoid a compile time warning.
711 * config/arm/arm.md (define_constants): Define symbolic names for
712 the link register, last integer register and the fake CC register.
713 Update patterns to use these symbolic names.
715 2000-11-22 Neil Booth <neilb@earthling.net>
717 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
718 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
720 2000-11-22 Richard Henderson <rth@redhat.com>
722 * haifa-sched.c (sched_analyze_1): Don't special-case calls
723 for clobbering registers.
724 (sched_analyze_2): Likewise.
725 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
727 2000-11-22 Chris Demetriou <cgd@sibyte.com>
728 Neil Booth <neilb@earthling.net>
730 * gcc.c (validate_switches): Validate multiple switches named
731 in '|' (or) expressions in specs.
732 (handle_braces): If more than 1 alternative in a '|' spec
733 matches, call do_spec1 just once.
735 2000-11-22 Michael Meissner <meissner@redhat.com>
737 * d30v.h (TARGET_SWITCHES): Add documentation strings.
738 (TARGET_OPTIONS): Ditto.
739 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
742 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
744 * pa.c (hppa_encode_label): Account for addition of encoding
745 character when allocating persistent space for the new label
748 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
750 * Makefile.in, config.gcc, configure.in: Expunge remaining
751 traces of facility for running MD files through C preprocessor.
753 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
755 * gcov.texi: Add magic comments for texi2pod.pl.
756 * Makefile.in: Add rules to generate and install gcov.1.
757 * gcov.1: New (generated) file.
759 2000-11-21 Richard Henderson <rth@redhat.com>
761 * regrename.c (scan_rtx_reg): Terminate the chain rather than
762 abort on mark_read with NO_REGS.
764 2000-11-21 Mike Stump <mrs@wrs.com>
766 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
767 compilation with older compilers, such as /bin/cc on SunOS.
768 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
770 2000-11-21 Richard Henderson <rth@redhat.com>
772 * varasm.c (record_constant): Pad the constructed
773 constant_descriptor appropriately.
775 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
777 * rtl.h (traverse_md_constants): Declare.
778 (struct md_constant): Define.
779 * Makefile.in (HOST_RTL): Add hashtab.o .
780 (OBJS): Add hashtab.o .
781 (hashtab.o): New rule.
782 (rtl.o): Depends on HASHTAB_H.
783 * rtl.c (hashtab.h): #include.
784 (md_constants): New static variable.
785 (def_hash, def_name_eq_p, read_constants): New static functions.
786 (traverse_md_constants): New function.
787 (read_name): Do constant expansion.
788 (read_rtx): Recognize define_constants.
789 * gencodes.c (print_md_constant): New function.
790 (main): Emit #defines for all constant definitions encountered.
791 * md.texi (Constant Definitions): New node.
792 * gensupport.c (xcalloc): New function.
794 2000-11-21 Richard Henderson <rth@redhat.com>
796 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
797 * config/alpha/alpha-protos.h: Declare it.
798 * config/alpha/alpha.md (abstf_internal): Use it.
799 (negtf_internal): Likewise.
800 (andnotdi3): Unstar the name.
801 (movtf_internal): Add o/G alternative.
803 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
805 * stringpool.c (stringpool_statistics): Also report number and
806 percentage of entries which are identifiers.
808 2000-11-21 Diego Novillo <dnovillo@redhat.com>
810 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
811 visited before visiting it.
813 2000-11-21 Nick Clifton <nickc@redhat.com>
815 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
816 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
818 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
820 2000-11-21 Richard Henderson <rth@redhat.com>
822 * c-common.c (c_unsafe_for_reeval): New function.
823 (add_c_tree_codes): Register it.
824 * c-common.h: Declare it.
825 * tree.c (lang_unsafe_for_reeval): New hook.
826 (unsafe_for_reeval): Call it.
827 * tree.h: Declare it.
829 2000-11-21 Richard Henderson <rth@redhat.com>
831 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
834 2000-11-21 Neil Booth <neilb@earthling.net>
836 * do_includes: Revert to using cpp_read_file.
838 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
840 * loop.c (consec_sets_giv): If the reg we're examining is anything
841 but UNKNOWN_INDUCT, do nothing.
842 Reset the reg's type to UNKNOWN_INDUCT before returning.
844 Mostly from Vladimir Makarov (vmakarov@redhat.com)
845 * ia64.md (attr itanium_class): Define insn types as described in
847 (all insn patterns): Use itanium_class, not type attributes.
848 Occasionally split alternatives as necessary.
849 (attr type): Compute from new attr itanium_class.
851 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
853 * tradcpp.c (output_line_command): Mark system headers as such in
856 2000-11-21 Jakub Jelinek <jakub@redhat.com>
858 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
859 support in as as well.
860 * configure: Regenerate.
862 2000-11-20 Richard Henderson <rth@redhat.com>
864 * c-lex.c (orig_filename): New variable.
865 (init_c_lex): Set it. Move call to cpp_start_read ...
866 (yyparse): ... here. New function.
867 * c-parse.in (yyparse_1): Rename the parser entry point.
868 * c-tree.h: Declare it.
870 2000-11-21 Jakub Jelinek <jakub@redhat.com>
872 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
873 integer constant, use type of op1 for comparison.
875 2000-11-20 Stan Shebs <shebs@apple.com>
877 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
878 * config/rs6000/x-darwin: New file, Darwin host fragment.
879 * config.gcc (powerpc-*-darwin*): New host.
880 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
881 overridden by a config file.
883 2000-11-20 Neil Booth <neilb@earthling.net>
885 * cppmacro.c (paste_tokens): Rename from paste_payloads.
886 Change token type after pasting spellings.
887 (paste_all_tokens): Use it.
888 * gcc.dg/cpp/paste2.c: Update test.
889 * objc/execute/paste.m: New test.
891 2000-11-20 Richard Henderson <rth@redhat.com>
893 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
894 dwarf_subscr_data_formats bits.
895 * dwarfout.c (simple_type_size_in_bits): Handle a type with
896 no computed size as size zero.
897 (field_byte_offset): Likewise.
898 (subscript_data_attribute): Handle a range with no upper bound.
900 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
902 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
904 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
906 * c-typeck.c (build_conditional_expr): When merging type
907 qualifiers for conditional expressions between a pointer and a
908 pointer to a void type, merge the qualifiers on the target types
909 rather than the pointer type. Remove obsolete conditioned out
912 2000-11-20 Neil Booth <neilb@earthling.net>
914 * c-lang.c (lang_init_options): Update call to
916 * cppmain.c (main): Similarly.
917 * fix-header.c (read_scan_file): Similarly.
918 * cp/lex.c (lang_init_options): Similarly.
919 * objc/objc-act.c (lang_init_options): Similarly.
920 * cppexp.c (parse_number): Only warn for unextended C89.
921 * cppinit.c (set_lang): New function.
922 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
923 (COMMAND_LINE_OPTIONS): New option std=c++98.
924 (cpp_handle_option): Use set_lang.
925 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
926 * cppib.h (enum_c_lang): New enumeration. Update comments.
928 2000-11-20 Will Cohen <wcohen@redhat.com>
930 * calls.c (expand_call): Clear target only when target is in
931 hard register and current_function_check_memory_usage is set.
933 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
935 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
937 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
939 2000-11-19 Richard Henderson <rth@redhat.com>
941 * crtstuff.c (force_to_data): Use array size 1 not 0.
943 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
944 no computed size as size zero.
945 (field_byte_offset): Likewise.
947 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
949 * config.gcc: Fix another typo.
951 2000-11-19 Richard Henderson <rth@redhat.com>
953 * c-decl.c (grokdeclarator): Support flexible array members.
954 Use open-ended ranges for these and zero-length arrays.
955 * c-typeck.c (push_init_level): Validate the context of
956 initialization of a zero-length array.
957 * tree.c (int_fits_type_p): Be prepared for missing bounds.
958 * varasm.c (array_size_for_constructor): New.
959 (output_constructor): Use it for arrays of unspecified length.
960 * extend.texi (Zero Length): Mention C99 flexible array members.
961 Document initialization in a top-level struct as valid.
963 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
965 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
967 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
968 stdarg and varargs functions.
970 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
972 * gcc.c (process_command): Define 'j' variable when
973 MODIFY_TARGET_NAME is defined.
975 2000-11-19 Richard Henderson <rth@redhat.com>
977 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
979 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
981 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
982 calculation and allocation.
984 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
986 * builtins.c (c_getstr): Constify variable.
987 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
988 * conflict.c (const_conflict_graph_arc): New typedef.
989 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
990 * cppmacro.c (builtin_macro): Likewise.
991 * dwarf2out.c (output_comp_unit): Constify variable.
992 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
993 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
994 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
996 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
997 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
998 * varasm.c (const_str_htab_hash, const_str_htab_eq,
999 compare_constant_1, record_constant_1): Constify.
1001 2000-11-18 Richard Henderson <rth@redhat.com>
1003 * c-decl.c (grokdeclarator): Special case the creation of an
1004 index for a zero-length array.
1005 * tree.c (build_index_type): Revert Oct 20 change.
1007 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
1009 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
1010 * config/avr/avr.c (jump_tables_size): New variable.
1011 (function_prologue): Initialize it as 0.
1012 (function_epilogue): Add it to function_size.
1013 (avr_output_addr_vec_elt): New function. Count words in jump
1014 tables in jump_tables_size. Move code ...
1015 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
1016 Call avr_output_addr_vec_elt instead.
1017 * config/avr/avr.md (tablejump): Remove disabled define_expand.
1019 2000-11-18 Mark Mitchell <mark@codesourcery.com>
1021 * configure.in: Make --enable-new-gxx-abi the default.
1022 * configure: Likewise.
1024 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1026 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
1028 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
1029 Move extern function declarations to tradcpp.h.
1031 * tradcpp.c: Likewise.
1033 * tradcpp.h: New file.
1035 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
1037 * c-decl.c (check_for_loop_decls): New function.
1038 * c-parse.in (for_init_stmt): New.
1039 (select_or_iter_stmt): Use for_init_stmt.
1040 * c-tree.h (check_for_loop_decls): New declaration.
1042 2000-11-18 Neil Booth <neilb@earthling.net>
1044 * cppinit.c: Update comments.
1045 (cpp_reader_init): Make -imacro and -include use the standard
1046 #include "" search path.
1047 (do_includes): New function.
1049 2000-11-18 Ben Elliston <bje@redhat.com>
1051 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
1052 out of a branch delay slot.
1054 2000-11-17 Richard Henderson <rth@redhat.com>
1056 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1057 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
1058 (ASM_FILE_START): Only write out ecoff .file directive if
1059 emitting mdebug debugging.
1061 2000-11-17 Richard Henderson <rth@redhat.com>
1063 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
1064 whether as accepts .file/.loc and produces dwarf2 line info.
1065 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
1066 the assembler supports it.
1067 * config.in, configure: Regenerate.
1069 2000-11-17 Richard Henderson <rth@redhat.com>
1071 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
1073 2000-11-17 Jim Wilson <wilson@redhat.com>
1075 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
1076 Don't clear need_barrier is next_insn is a CALL_INSN, or has
1077 instruction type B or UNKNOWN.
1079 2000-11-17 Neil Booth <neilb@earthling.net>
1081 * cpperror.c (print_file_and_line): Don't display line number if 0.
1083 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
1085 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
1086 digit_vector and digit_string.
1087 * stringpool.c (digit_vector): New.
1088 (ggc_alloc_string): Use digit_string.
1090 * stmt.c (digit_strings): Delete.
1091 (init_stmt): Do not initialize digit_strings.
1092 (expand_asm_operands): Use ggc.h's digit_string macro.
1093 * toplev.c (mark_file_stack): Delete.
1094 (compile_file): Don't call init_tree_codes.
1095 (main): No need to make the file stack a GC root.
1096 * tree.c (init_tree_codes): Delete.
1097 * tree.h (init_tree_codes): Delete.
1099 * c-lex.c: Don't include ggc.h.
1100 (mark_splay_tree_node, mark_splay_tree): Delete.
1101 (init_c_lex): No need to ggc_strdup string constant. Don't add
1102 file_info_tree to GGC roots.
1103 (cb_enter_file, cb_rename_file): No need to ggc_strdup
1106 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
1108 * dbxout.c (dbxout_init),
1109 dwarf2out.c (dwarf2out_line),
1110 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
1111 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
1112 xcoffout.c (xcoffout_source_file),
1113 i386.c (load_pic_register):
1114 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
1116 * except.c (create_rethrow_ref),
1117 profile.c (init_edge_profiler),
1118 toplev.c (compile_file),
1119 varasm.c (named_section, assemble_static_space,
1120 assemble_trampoline_template, output_constant_def, force_const_mem),
1121 i386.c (load_pic_register),
1122 ia64.c (ia64_encode_section_info),
1123 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
1124 rs6000_emit_prologue, rs6000_emit_epilogue),
1125 rs6000.md (load_toc_aix_si, load_toc_aix_di):
1126 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
1128 * profile.c (output_func_start_profiler),
1130 i386.c (load_pic_register): No need to ggc_strdup string constant.
1132 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1134 * Makefile.in (config.status): Depend on config.gcc.
1135 * configure.in <for machine in $build $host $target>: Move
1136 contents of loop into config.gcc, removing autoconf quoting.
1137 Fix changequote bug for alpha*-*-vxworks*.
1138 * configure: Regenerate.
1141 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1143 * c-parse.in (if_prefix): Find the filename and line number at
1144 $-2 and $-1 respectively.
1145 * diagnostic.c (error_recursion): Add missing newline, use
1146 fputs, translate string.
1148 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1150 * stringpool.c: New file.
1151 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
1152 (ggc_alloc_string): Now in stringpool.o.
1153 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
1154 * ggc.h: Delete prototype of ggc_add_string_root. #define
1155 ggc_add_string_root and ggc_mark_string to nothing. Prototype
1156 init_stringpool and stringpool_statistics.
1157 (ggc_alloc_string): Returns a const char *.
1158 * tree.c (hash_table, do_identifier_warnings): Delete.
1159 (init_obstacks): Don't initialize the identifier hash table.
1160 (get_identifier, maybe_get_identifier, start_identifier_warnings,
1161 set_identifier_size): Now in stringpool.c.
1162 * tree.h (struct tree_string): Constify pointer field.
1163 (approx_sqrt): Prototype.
1165 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
1167 * toplev.c (approx_sqrt): New function.
1168 (compile_file): Call stringpool_statistics if mem_report is on.
1169 (main): Call init_stringpool.
1171 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
1172 (process_directive), c-typeck.c (constructor_asmspec, struct
1173 initializer_stack, start_init), except.c (create_rethrow_ref),
1174 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
1175 (built_in_filename), varasm,c (in_named_name,
1176 assemble_static_space, struct constant_descriptor, struct
1177 deferred_string, struct pool_constant, force_const_mem),
1178 i386.c (pic_label_name, global_offset_table_name), rs6000.c
1179 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
1181 * c-common.c (combine_strings): Combine strings in scratch
1182 buffer, then pass to build_string.
1183 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
1184 output_func_start_profiler), stmt.c (init_stmt), alpha.c
1185 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
1186 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
1187 rs6000.c (rs6000_encode_section_info): Create string in
1188 scratch buffer, then pass to ggc_alloc_string.
1190 * stmt.c (expand_asm_operands): If we must adjust the
1191 constraint strings, do so by creating a new one, not by
1192 modifying the old one in place. Constify some char *s.
1193 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
1194 argument. Create string in scratch buffer, then pass to
1196 * config/pa/pa-protos.h: Update prototype.
1197 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
1198 hppa_encode_label takes only one argument.
1200 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1202 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
1205 * cpplib.c (glue_header_name): Likewise.
1207 * fixincl.c (run_compiles, start_fixer): Likewise.
1209 * fixlib.c (load_file_data): Likewise.
1211 * mkdeps.c (munge): Likewise.
1213 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1215 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
1216 trailing ';'. Fix formatting.
1218 2000-11-16 Jim Wilson <wilson@redhat.com>
1220 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
1221 Shift masks left by one to avoid conflict.
1223 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
1226 2000-11-16 Nick Clifton <nickc@redhat.com>
1228 * config/arm/arm.c (output_arm_prologue): Note nested functions.
1229 (arm_expand_prologue): For nested functions preserve the
1230 static chain register during stack frame creation.
1232 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
1233 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
1234 with a stack frame there is a 4 byte gap between the arg
1235 pointer and the hard frame pointer (used to preserve the
1236 static chain register during stack frame creation).
1238 2000-11-16 DJ Delorie <dj@redhat.com>
1240 * rtl.c (read_rtx): Provide suitable names for unnamed
1241 define_insn and define_insn_and_split patterns, based on file
1244 2000-11-15 Neil Booth <neilb@earthling.net>
1246 * cpplib.c (start_directive, end_directive): New functions.
1247 (_cpp_handle_directive, run_directive): Use them.
1248 (_cpp_handle_directive): Don't -Wtraditional on indented
1250 (_cpp_push_buffer): Don't re-clear was_skipping.
1251 * cpplib.h (struct cpp_reader): New member la_saved.
1252 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
1255 gcc.dg/cpp/_Pragma1.c: Update.
1256 gcc.dg/cpp/_Pragma2.c: New test.
1258 2000-11-15 Mark Mitchell <mark@codesourcery.com>
1260 * toplev.c (wrapup_global_declarations): Don't write out
1261 artificial static variables that aren't needed.
1263 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
1265 * ia64.c (struct group): New structure.
1266 (last_group): New static array.
1267 (group_idx): New static variable.
1268 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
1269 New static functions.
1270 (emit_insn_group_barriers): Initialize and keep track of group_idx
1272 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
1273 Replace all calls to emit_insn_after that emit a group barrier to use
1274 emit_group_barrier_after.
1275 * ia64.h (MASK_B_STEP): New.
1276 (other MASK_XXX macros): Renumbered.
1277 (TARGET_B_STEP): New.
1278 (TARGET_SWITCHES): Add -mb-step.
1280 2000-11-15 Fred Fish <fnf@be.com>
1282 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
1283 machines for which fixincludes is not needed.
1284 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
1286 2000-11-15 Jason Merrill <jason@redhat.com>
1288 * diagnostic.c (finish_abort): New fn.
1289 (fancy_abort, error_recursion): Use it.
1290 * toplev.c (crash_signal): Likewise.
1291 * diagnostic.h: Declare it.
1293 2000-11-13 Andrew Haley <aph@redhat.com>
1295 * tree.c (build_type_no_quals): New function.
1296 * tree.h (build_type_no_quals): Declare.
1297 * c-common.c (c_get_alias_set): When considering type
1298 compatibility for pointer types, ignore cv-qualifiers anywhere in
1301 2000-11-15 Graham Stott <grahams@redhat.com>
1303 * regrename.c (scan_rtx_rtx): Skip to the next chain on
1304 encountering a terminated chain.
1306 2000-11-14 Mark Mitchell <mark@codesourcery.com>
1308 * configure.in: Move check for V3 above check for C++ header-file
1310 * configure: Regenerated.
1312 2000-11-14 DJ Delorie <dj@redhat.com>
1314 * config/v850/v850.c: Remove obstacks.
1316 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
1318 * config/avr/avr.c (avr_case_values_threshold): New.
1319 (avr_override_options): Set it depending on options, make it large
1320 when not optimizing to work around "unable to generate reloads".
1322 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
1323 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
1324 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
1325 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
1326 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
1327 (avr_case_values_threshold): Declare as extern int.
1328 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
1330 * config/avr/avr.md (tablejump): Removed.
1331 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
1332 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
1333 index in the table, not multiplied by 2.
1334 (casesi): Change to match the above insns. Always enable.
1336 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
1337 Change to expect the word address of the table, multiply it by 2
1338 here and not in the caller. Change "adiw" to faster "inc".
1340 2000-11-14 Neil Booth <neilb@earthling.net>
1342 * cppexp.c (parse_defined): Call cpp_get_token not
1345 * cpplex.c (cpp_output_line): Similarly.
1346 * cpplib.c (glue_header_name, do_line, do_ident,
1347 parse_answer, parse_assertion): Similarly.
1348 (_cpp_handle_diretive): Don't save to lookaheads
1349 when processing directives.
1350 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
1352 (funlike_invocation_p): Don't save to lookaheads
1353 when pre-expanding arguments.
1354 (_cpp_get_token): Delete.
1355 (cpp_get_token): Merge contents of _cpp_get_token.
1357 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1359 * builtins.c (expand_builtin_setjmp): Set
1360 current_function_calls_setjmp.
1361 (expand_builtin_longjmp): Set current_function_calls_longjmp.
1363 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
1364 (do_builtin_setjmp_setup): New insn.
1366 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1368 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
1369 (int_fits_type_p): For variable bounds, call force_fit_type.
1371 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1373 * varasm.c (struct deferred_string): New structure.
1374 (const_str_htab): New variable.
1375 (STRHASH): New macro.
1376 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
1377 constr_str_htab_eq, const_str_htab_del): New functions.
1378 (output_constant_def): Add DEFER argument, defer string
1379 constants until mark_constant_pool time if requested.
1380 (mark_constant_pool): Walk the insn chain even if const_str_htab is
1382 (mark_constants): If a SYMBOL_REF for deferred string is found,
1383 output it and remove from hash table.
1384 (output_addressed_constants): Set DEFER to 0 in call to
1385 output_constant_def.
1386 * rtl.h (STRING_POOL_ADDRESS_P): Define.
1387 (output_constant_def): Adjust prototype.
1388 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
1390 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
1392 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
1393 signed types if flag_trapv.
1395 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
1397 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
1400 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
1402 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
1404 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1406 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
1407 to array of pool_constnat pointers.
1408 (struct pool_constant): Add next_sym and label members.
1409 (struct pool_sym): Remove.
1410 (init_varasm_status): Change pool_sym into pool_constant.
1411 (mark_pool_constant): Mark pc->label string as well.
1412 (mark_pool_sym_hash_table): Remove.
1413 (mark_varasm_status): Remove it from caller as well.
1414 (free_varasm_status): Don't free pool_sym structures.
1415 (force_const_mem): Don't allocate pool_sym structure, instead
1416 fill pool->label and chain it into rtx_sym hash table.
1417 (find_pool_constant, mark_constant_pool): Use pool_constant instead
1420 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1422 * reload1.c (emit_input_reload_insns): Honour forcing of constants
1423 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
1425 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
1427 * dominance.c: New file.
1428 * Makefile.in (OBJS): Add dominance.o.
1430 * flow.c (compute_flow_dominators): Remove.
1431 (compute_immediate_dominators): Remove.
1432 (compute_immediate_postdominators): Remove.
1433 * basic-block.h: Remove their prototypes.
1434 (calculate_dominance_info): Add prototype.
1436 * dce.c (eliminate_dead_code): Change calls to above functions.
1437 Don't compute dominators but only immediate dominators.
1438 * flow.c (flow_loops_find): Change callers.
1439 * gcse.c (compute_code_hoist_data): Likewise.
1440 * haifa-sched.c (schedule_insns): Likewise.
1441 * ifcvt.c (if_convert): Likewise.
1442 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
1445 2000-11-14 Richard Henderson <rth@redhat.com>
1447 * stmt.c (warn_if_unused_value): Don't warn if the expression
1450 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
1451 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
1453 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1455 * loop.c (basic_induction_var): Revert accidental checkin.
1457 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
1459 * c-lex.c (cb_leave_file): Harmonize conditions and order of
1460 statements to those of process_directive for (action == act_pop).
1462 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
1464 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
1467 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1469 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
1472 2000-11-13 Neil Booth <neilb@earthling.net>
1474 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
1475 cases return without MI check.
1476 * cpplib.c (do_diagnostic): Take boolean of whether to
1477 print the directive name.
1478 (do_error, do_warning): Update.
1479 (do_pragma_dependency): Use it.
1480 * cpplib.h (VARARGS_FIRST): Delete.
1481 (struct cpp_token): Delete integer.
1482 * cppmacro.c (enter_macro_context): Move disabled check
1484 (_cpp_get_token): Simplify into a single loop.
1486 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1488 * configure.in: Use 'test -f' not '[ -e'.
1489 * configure: Regenerated.
1491 2000-11-13 DJ Delorie <dj@redhat.com>
1493 * config/mn10300/mn10300.md (store_movm): Note which registers are
1494 really used or clobbered.
1496 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1498 * c-parse.in (ends_in_label): Remove from %union and %type.
1499 (decls, stmts, lineno_stmt_or_labels, xstmts,
1500 lineno_stmt_or_label, stmt_or_label): Remove.
1501 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
1502 lineno_stmt_decl_or_labels_ending_decl,
1503 lineno_stmt_decl_or_labels_ending_label,
1504 lineno_stmt_decl_or_labels_ending_error,
1505 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
1506 lineno_stmt, lineno_label): New.
1507 (compstmt_nostart): Use compstmt_contents_nonempty.
1509 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1511 * c-common.c (boolean_increment): New function.
1512 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
1513 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
1514 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
1515 (boolean_increment): Declare.
1516 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
1517 * c-decl.c (init_decl_processing): Create boolean nodes.
1518 (finish_struct): Allow for _Bool bitfields.
1519 * c-parse.in (reswords): Add _Bool.
1520 (rid_to_yy): Allow for RID_BOOL.
1521 * c-typeck.c (default_conversion): Make booleans promote to int.
1522 (convert_arguments, build_unary_op, build_modify_expr,
1523 convert_for_assignment): Allow for booleans.
1524 * ginclude/stdbool.h: Make conforming to C99.
1526 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1528 * c-parse.in (c99_block_start, c99_block_end,
1529 c99_block_lineno_labeled_stmt): New.
1530 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
1531 (stmt): Split off selection and iteration statements into...
1532 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
1534 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1536 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
1539 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1541 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
1542 Rewrite to avoid use of match_dup. Don't try to tie registers that
1543 are not in the same mode.
1545 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1547 * invoke.texi: Update lists of languages and suffixes supported.
1549 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1551 * configure.in: Take toplevel configure arguments from the
1552 environment to create configargs.h and substitute
1553 gcc_config_arguments, taking account of any existing configargs.h
1555 * configure: Regenerate.
1556 * gccbug.in: Include toplevel configure arguments in gccbug.
1558 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1560 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
1561 union to make it well-aligned. Update all uses.
1563 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1565 * c-parse.in (initelt): Give appropriate pedantic warnings,
1566 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
1568 (designator): If pedantic, pedwarn for a designator specifying a
1570 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
1572 * extend.texi: Document the C99 syntax as the preferred syntax,
1573 and the pre-2.5 syntax as obsolete. Mention use of designator
1574 lists for nested subobjects.
1576 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1578 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
1579 Add ATTRIBUTE_PRINTF.
1580 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
1581 Add ATTRIBUTE_PRINTF*.
1583 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1585 * function.c (assign_parms): When calling put_var_into_stack, make
1586 sure that there are no hidden pending sequences.
1588 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1590 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
1591 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
1594 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
1596 * c-common.c (c_common_nodes_and_builtins): Declare index and
1597 rindex when nonansi builtins are allowed.
1599 * extend.texi (index, rindex): Document new builtins.
1601 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1603 * configure.in: Turn on libstdc++ V3 by default.
1604 * configure: Regenerated.
1606 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
1608 2000-11-12 Jakub Jelinek <jakub@redhat.com>
1610 * reload1.c (set_label_offsets): Go inside of PARALLELs.
1612 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
1614 * invoke.texi: Clean up option summary.
1616 2000-11-12 Nick Clifton <nickc@redhat.com>
1618 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
1619 of #include headers.
1621 2000-11-12 Marc Espie <espie@openbsd.org>
1623 * configure.in: Fix filds test.
1626 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1628 * jump.c (delete_computation): Don't assume that just becuase an
1629 instruction sets a register, that register is dead.
1631 2000-11-12 Neil Booth <neilb@earthling.net>
1633 * cppexp.c: Don't worry about pfile->skipping.
1634 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
1635 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
1636 for handled directives.
1637 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
1638 and releasing lookaheads.
1639 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
1640 (do_else, do_elif, push_conditional): Update logic.
1641 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
1642 (unwind_if_stack): Inline into cpp_pop_buffer.
1643 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
1644 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
1645 multiple-include optimisation.
1646 * cpplib.h (struct cpp_buffer): New member was_skipping.
1647 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
1648 works because skipping == 0 in directives.
1649 (_cpp_release_lookahead): Renamed from release_lookahead.
1650 (cpp_get_token): No need to check skipping as _cpp_get_token does
1651 this for us. No need to handle MI optimisation.
1653 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
1655 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
1656 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
1657 * fixinc/fixincl.x: Regenerated.
1659 2000-11-11 Bruce Korb <bkorb@gnu.org>
1661 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
1662 (avoid_wchar_t_type): ditto
1663 * fixinc/fixinc.irix: obsoleted
1665 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
1667 * configure.in: Don't add $outputs to all_lang_makefiles. Add
1668 $srcdir/$s/Makefile.in if it exists.
1669 * configure: Regenerate.
1671 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
1673 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
1675 2000-11-11 Jason Merrill <jason@redhat.com>
1677 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
1678 give the parm a register and then call put_var_into_stack.
1679 * stmt.c (expand_decl): Likewise.
1681 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1683 * gcc.texi: Adjust wording.
1685 2000-11-11 Mark Mitchell <mark@codesourcery.com>
1687 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
1688 * fininc/fixincl.x: Regenerated.
1690 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1692 * invoke.texi: Correct spelling of -foptimize-register-move.
1694 2000-11-11 Neil Booth <neilb@earthling.net>
1696 Remove CPP_PLACEMARKERs.
1698 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
1699 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
1700 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
1702 * cpplib.h: Remove CPP_PLACEMARKER.
1703 (struct lexer_state): Rename skip_newlines to next_bol.
1704 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
1705 Simplify prev_white handling as a result.
1706 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
1707 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
1708 (parse_args): Similarly. Update argument count tests.
1709 (enter_macro_context): Return 2 to indicate an empty macro.
1710 (replace_args): Don't bother pre-expanding an empty argument.
1711 Handle placemarkers and ## extension during pre-expansion.
1712 (cpp_get_token): Handle empty macro expansions. Don't worry
1713 about CPP_PLACEMARKERs.
1714 (_cpp_create_definition): Empty macros are now empty.
1715 (cpp_macro_defintion): Don't special case empty macros.
1716 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
1717 * c-lex.c: Similarly.
1719 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1721 * gcc.texi, invoke.texi: Add new section discussing language
1722 standards; link to it where appropriate; refer to ISO C instead of
1725 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
1727 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
1730 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
1733 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1735 * gcc.texi, gcov.texi: Update dates and version numbers.
1737 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
1739 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
1740 flex and bison, specifically, first in a unified build and
1741 then installed on the system.
1742 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
1743 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
1746 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
1747 cppdefault.o): Remove pointless sed munging of source file
1750 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
1752 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
1753 for address reloads. Push replacements for REG_INC notes.
1754 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
1756 * reload1.c (choose_reload_regs): Registers set in the insn can't be
1757 used for RELOAD_OTHER reloads.
1759 2000-11-10 Mark Mitchell <mark@codesourcery.com>
1761 * c-dump.h: New file.
1763 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1765 * alpha.c (check_float_value): Use memcpy, not bcopy.
1766 * arm.c (output_move_double): Likewise.
1768 * m88k.c (legitimize_operand): Likewise.
1769 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1770 * m88k.md: Likewise.
1771 * mips.c (override_options): Likewise.
1772 * mips.md: Likewise.
1773 * romp.c (output_fpops): Likewise.
1774 * rs6000.c (rs6000_override_options): Likewise.
1776 * vax.c (check_float_value): Likewise.
1778 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
1779 * expmed.c (synth_mult): Likewise.
1780 * final.c (add_bb_string): Likewise.
1781 * genattr.c (main): Likewise.
1782 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
1784 * jump.c (thread_jumps): Likewise.
1785 * prefix.c (save_string): Likewise.
1786 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
1787 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
1788 * reload1.c (reload, eliminate_regs): Likewise.
1790 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1792 * gcc.texi (Service): Update to reflect current practice and
1793 location of the GNU service directory.
1795 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
1797 * regrename.c (build_def_use): Mark contents of REG_INC notes as
1798 needing replacement.
1800 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
1801 a no-op move if regs are equal.
1802 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
1803 when calling jump after post-reload splitting.
1805 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
1807 * c-tree.texi: Fix typos.
1808 * extend.texi: Likewise
1809 * gcov.texi: Likewise
1810 * rtl.texi: Likewise
1813 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
1815 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1816 in_system_header and flags[1] before dereferencing flags[2].
1818 2000-11-09 Matthew Hiller <hiller@redhat.com>
1820 * reload1.c (reload_combine): Fixed calculation of
1821 first_index_reg, last_index_reg.
1823 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1825 * c-dump.c (dequeue_and_dump): Dump function bodies.
1827 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1828 (c-dump.o): New target.
1829 * c-common.h (flag_dump_translation_unit): New variable.
1830 (C_TYPE_QUALS): New macro.
1831 (strip_array_types): New function.
1832 (DECL_C_BIT_FIELD): New macro.
1833 (SET_DECL_C_BIT_FIELD): Likewise.
1834 (CLEAR_DECL_C_BIT_FIELD): Likewise.
1835 (dump_info_p): New typedef.
1836 (dump_tree_fn): Likewise.
1837 (lang_dump_tree): New variable.
1838 (dump_node_to_file): New function.
1839 * c-common.c (flag_dump_translation_unit): Define it.
1840 (strip_array_types): New function.
1841 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
1842 * c-lang.c (finish_file): Call dump_node_to_file if
1843 flag_dump_translation_unit.
1844 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
1845 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
1846 * c-dump.c: New file.
1848 2000-11-09 Christopher Faylor <cgf@cygnus.com>
1850 * config/i386/cygwin.h: Add mingw startfile prefix.
1852 2000-11-09 Richard Henderson <rth@redhat.com>
1854 * flow.c (invalidate_mems_from_set): Split out from ...
1855 (mark_set_1): ... here.
1856 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
1857 instead of turning insn into a NOTE_INSN_DELETED.
1859 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1861 * extend.texi, invoke.texi: Move documentation of builtin versions
1862 of C library functions to one place and update.
1864 2000-11-09 Richard Henderson <rth@redhat.com>
1866 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
1867 the types themselves to discover type equivalence.
1869 2000-11-09 Mike Stump <mrs@wrs.com>
1871 * Makefile.in (distclean): Remove a few extra leftovers.
1873 2000-11-09 Richard Henderson <rth@redhat.com>
1875 * recog.c (validate_replace_rtx_1): Consider subregs when
1876 replacing a register with a constant inside a sign/zero_extend.
1878 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1880 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
1882 * c-decl.c (finish_struct): When a structure is completed,
1883 check all its variant types for completeness.
1885 2000-11-09 Neil Booth <neilb@earthling.net>
1887 * cpphash.c: Move cpp_defined here from cpplib.c.
1888 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
1889 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
1890 * cppmacro.c (cpp_get_token): Update comments, no need now
1891 to catch the CPP_EOF meaning EOL case.
1893 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
1895 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
1896 is more than that provided, copy to a temporary.
1898 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
1900 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
1901 interpreting $out as a macro assignment.
1902 * Makefile.in (T_TARGET): New auxiliary macro and target.
1903 (all): Add a target right in the beginning, so that we don't build
1904 T_TARGET by default.
1906 2000-11-09 Graham Stott <grahams@redhat.com>
1908 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
1909 order for -mintel-syntax. Remove comment now that the operand
1910 order has been checked.
1911 (mmx_pextrw): Likewise.
1912 (mmx_pshufw): Likewise.
1914 2000-11-09 Jakub Jelinek <jakub@redhat.com>
1916 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
1917 (c_getstr): New function.
1918 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
1919 If both arguments are constant string, optimize out.
1920 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
1921 (expand_builtin_strpbrk): Use c_getstr, do nothing if
1922 -fcheck-memory-usage.
1923 (expand_builtin_fputs): Likewise.
1924 (expand_builtin_strcmp): Add MODE argument.
1925 Use even if !HAVE_cmpstrsi.
1926 Optimize the case when both arguments are constant strings.
1927 (expand_builtin): Adjust expand_builtin_strcmp caller.
1928 Call expand_builtin_strchr and expand_builtin_strrchr.
1929 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
1931 * builtins.def (BUILT_IN_STRRCHR): Add.
1933 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1935 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
1937 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
1939 * calls.c (expand_call, emit_library_call_value_1), collect2.c
1940 (scan_prog_file), config/a29k/a29k.c (print_operand),
1941 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
1942 instead of bcopy ().
1943 * real.h: Use memcmp () instead of bcmp ().
1944 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
1945 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
1946 ultrasparc_sched_init, ultrasparc_sched_reorder),
1947 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
1948 instead of bzero ().
1949 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
1950 instead of rindex ().
1951 * configure.in: Don't check for bzero, bcmp, index or rindex.
1952 * configure, config.in: Regenerate.
1953 * system.h: Don't include declarations for bzero, bcmp, index or
1955 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
1956 bzero, bcmp, index or rindex.
1958 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
1960 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
1961 include and library paths from -mcygwin case. Parameterize some
1962 declarations to avoid warnings. Use standard locations for include and
1965 2000-11-08 Nick Clifton <nickc@redhat.com>
1967 * config/arm/arm.md (mulsidi3adddi): Change output operand
1968 constraint from "=&" to "+&".
1969 (umulsidi3adddi): Change output operand constraint from "=&" to
1972 2000-11-08 Richard Henderson <rth@redhat.com>
1974 * flow.c (init_propagate_block_info): Protect the rtx stored in
1975 mem_set_list from modification by find_auto_inc.
1976 (mark_set_1): Likewise.
1978 2000-11-08 Neil Booth <neilb@earthling.net>
1980 Move directive handling into the lexer itself.
1982 * cpplex.c (_cpp_lex_token): Handle directives directly.
1983 In the case of a directive interrupting a function-like
1984 macro invocation, use extra_char since read_ahead is
1985 used to store the '#'. Return a CPP_EOF in this case.
1986 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
1987 (cpp_get_token): Don't handle directives here.
1988 * cpplib.h: Remove CPP_DHASH token type.
1990 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
1992 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
1993 formed using PRE_MODIFY too.
1995 2000-11-08 Mark Mitchell <mark@codesourcery.com>
1997 * c-tree.texi (VAR_DECL): Describe representation of GCC's
1998 extension for placing variables in particular registers.
2000 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
2001 unprototyped C functions with no parameters.
2003 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2005 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
2006 before passing to fprintf.
2008 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2010 * function.c (expand_function_start): Cast GET_MODE_SIZE to
2011 HOST_WIDE_INT before negating it.
2013 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2015 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
2016 passed in multiple non-contiguous locations.
2018 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2020 * README.gnat: Remove file.
2022 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
2024 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
2027 2000-11-07 Richard Henderson <rth@redhat.com>
2029 * dwarfout.c (INSN_LABEL_FMT): Remove.
2030 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2031 (dwarfout_label): Remove.
2032 * dwarfout.h: Remove it's prototype.
2033 * dwarf2out.c (INSN_LABEL_FMT): Remove.
2034 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2035 (dwarf2out_label): Remove.
2036 * dwarf2out.h: Remove it's prototype.
2037 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
2039 2000-11-07 Richard Henderson <rth@redhat.com>
2041 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
2042 search on the unwind region section.
2044 * config/ia64/ia64.md (movbi): Add r/r alternative.
2045 (cmovdi_internal_astep): Describe all combinations of register
2046 classes for sources & destinations; remove matching constraints.
2047 (cmovdi_internal): Likewise.
2049 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
2051 2000-11-07 Richard Henderson <rth@redhat.com>
2053 * c-lang.c (start_cdtor, finish_cdtor): New functions.
2054 (finish_file): Use them in building constructor/destructor functions.
2056 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
2057 LD_FINI_SWITCH): Move ...
2058 * config/alpha/osf.h: ... here.
2059 * config/alpha/alpha-interix.h: Don't undef them.
2061 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
2063 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
2064 included in libgcc.a.
2066 (dp-bit.c): Likewise.
2067 (fp-bit.c): Likewise.
2069 2000-11-07 Nick Clifton <nickc@redhat.com>
2071 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
2072 (INTERNAL_ASM_OP): Add missing tab.
2074 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2076 * alias.c (init_alias_analysis), calls.c (expand_call,
2077 emit_library_call_value_1), combine.c (init_reg_last_arrays),
2078 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
2079 (init_output_buffer, set_diagnostic_context), dwarf2out.c
2080 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
2081 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
2082 function.c (assign_parms), gcse.c (compute_can_copy,
2083 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
2084 compute_hash_table, compute_set_hash_table,
2085 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
2086 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
2087 clear_units, schedule_block), integrate.c (initialize_for_inline,
2088 expand_inline_function), jump.c (thread_jumps), local-alloc.c
2089 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
2090 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
2091 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
2092 record_reg_classes, allocate_reg_info), reload.c
2093 (get_secondary_mem, remove_address_replacements, find_reloads),
2094 reload1.c (reload, set_initial_label_offsets, finish_spills,
2095 reload_as_needed, choose_reload_regs_init,
2096 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
2097 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
2098 (rename_registers), stmt.c (expand_end_case), unroll.c
2099 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
2100 () instead of bzero ().
2102 2000-11-07 Neil Booth <neilb@earthling.net>
2104 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
2106 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2108 * c-common.c (combine_strings): Only warn about long strings for C.
2110 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
2112 * combine.c (distribute_notes): Fix typo in last change.
2114 2000-11-07 Geoff Keating <geoffk@redhat.com>
2116 * config/rs6000/rs6000.md (movdi_internal32+1): Use
2117 operand_subreg_force rather than gen_rtx_SUBREG.
2118 (movdi_internal32+2): Likewise.
2120 2000-11-07 Philip Blundell <philb@gnu.org>
2122 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
2123 * config/arm/linux-aout.h: Likewise.
2124 * configure: Regenerate.
2126 2000-11-07 Philipp Thomas <pthomas@suse.de>
2128 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
2129 accepted my the gettext maintainer.
2131 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2133 * builtins.c (expand_builtin_strpbrk): New function.
2134 (expand_builtin): Handle BUILT_IN_STRPBRK.
2136 * builtins.def (BUILT_IN_STRPBRK): New entry.
2138 * c-common.c (c_common_nodes_and_builtins): Declare builtin
2141 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
2143 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
2144 * POTFILES.in: Add config/alpha/freebsd.h
2145 * configure.in: Add alpha*-freebsd support.
2146 * configure: Regenerate.
2148 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2150 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
2151 copy of ptr_type_node rather than ptr_type_node itself.
2153 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
2155 * combine.c (recog_for_combine): Allocate uninitialized vector with
2157 * recog.c (apply_change_group): Likewise.
2159 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
2161 * flow.c (verify_local_live_at_start): Back out last change.
2162 * combine.c (distribute_notes): When parts of a hard reg are
2163 neither set nor referenced in PLACE, search backwards for a
2164 place to put a REG_UNUSED note; if none found, ask for flow
2167 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
2169 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
2170 with (clobber (match_scratch...)).
2172 2000-11-06 Neil Booth <neilb@earthling.net>
2174 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
2177 2000-11-06 Neil Booth <neilb@earthling.net>
2179 * tradcpp.c (special_symbol): Assign an null string rather
2180 than writing to an unallocated buffer.
2182 2000-11-06 Neil Booth <neilb@earthling.net>
2184 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
2187 2000-11-06 Neil Booth <neilb@earthling.net>
2189 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
2190 tok.val.arg_no as appropriate.
2191 * cppexp.c (lex): Similarly.
2192 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
2193 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
2194 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
2195 cpp_macro_definition): Similarly.
2196 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
2198 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2200 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
2201 operands[1] is constant, calculate the sum and generate movdi.
2202 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
2203 (subsi3): Use SImode in call to arith_4096_operand.
2205 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2207 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
2208 adjust %o1, not %o0 if the return type is large structure.
2210 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2212 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
2213 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
2215 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2217 * expmed.c (expand_divmod): For signed divide by 2, prefer
2218 a branch and fewer shifts if branches are very cheap.
2220 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
2222 * Makefile.in: Remove all targets related to building
2223 distributions and diffs, or INSTALL.
2224 * INSTALL, install1.texi: Remove.
2225 * configure.in: Remove mention of distdir.
2226 * configure: Regenerate.
2227 * objc/Make-lang.in: Remove mention of distdir.
2229 2000-11-04 Neil Booth <neilb@earthling.net>
2231 * cpp.texi: Update for _Pragma.
2233 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
2235 * gcc.texi (Contributing): Update URL for projects web page.
2237 2000-11-04 Neil Booth <neilb@earthling.net>
2239 * cpplex.c (parse_string): Don't allow multiline strings in
2240 #include family directives.
2242 2000-11-04 Neil Booth <neilb@earthling.net>
2244 * cpplib.c (do_line): Only warn pedantically if not reading
2247 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
2249 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
2252 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
2254 * builtins.c (expand_builtin_strlen): Remove unused mode
2256 * gcc.c (process_command): Remove unused variable.
2257 * fold-const.c: Include expr.h.
2258 * recog.c: Include reload.h.
2259 * Makefile.in (recog.o, fold-const.o): Update deps.
2261 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
2263 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
2265 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
2267 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
2269 (STARTFILE_SPEC): Likewise.
2270 (LINK_SPEC): Likewise.
2272 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2274 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
2275 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
2276 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
2278 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
2280 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
2281 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
2282 perm_calloc, get_identifier, maybe_get_identifier,
2283 real_value_from_int_cst, simple_cst_equal), varasm.c
2284 (assemble_name, assemble_real, immed_real_const_1,
2285 compare_constant_1, decode_rtx_const, output_constant_pool): Use
2286 strrchr () instead of rindex (). Use memcmp () instead of bcmp
2287 (). Use memcpy () instead of bcopy (). Use memset () instead of
2290 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
2292 * cppfiles.c (open_file): If already read, then don't reopen.
2293 Immediately close an empty file.
2295 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2297 * expr.h (fold_builtin): Move declaration...
2298 * tree.h (fold_builtin): ... here.
2300 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
2302 * flow.c (verify_local_live_at_start): Allow hard regs to die.
2304 2000-11-02 Neil Booth <neilb@earthling.net>
2307 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
2308 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
2309 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
2310 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
2311 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
2312 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
2313 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
2314 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
2315 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
2316 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
2317 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
2318 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
2319 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
2320 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
2321 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
2322 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
2323 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
2324 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
2325 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
2326 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
2327 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
2328 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
2329 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
2330 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
2331 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
2332 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
2333 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
2334 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
2335 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
2336 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
2337 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
2338 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
2339 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
2340 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
2341 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
2342 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
2343 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
2344 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
2345 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
2346 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
2347 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
2348 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
2349 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
2350 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
2351 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
2352 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
2353 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
2354 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
2355 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
2356 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
2357 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
2358 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
2359 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
2360 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
2361 vax/vaxv.h, vax/vms.h, we32k/we32k.h
2363 Replace -A() with -A=, the new assertion syntax.
2365 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
2367 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
2369 In REG_DEAD handling: When handling parts of multi-hard-reg hard
2370 registers, increment the loop counter by the size of the parts;
2371 use recursion to handle individual parts.
2373 2000-11-02 Neil Booth <neilb@earthling.net>
2375 * configure.in: Make integrated CPP the default.
2376 * configure: Regenerate.
2378 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
2380 * reload.c (find_equiv_reg): Test all hard registers for membership
2381 in the requested class.
2383 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2385 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
2386 process_command, main), gcov.c (open_files, output_data), tlink.c
2387 (frob_extension, scan_linker_output), toplev.c
2388 (file_name_nondirectory): Use strchr () and strrchr () instead of
2389 index () and rindex ().
2391 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2393 * c-common.c (get_flag_spec, check_format_info_main,
2394 check_format_types): Use strchr () instead of index (). Compare
2395 against error_mark_node instead of comparing the TREE_CODE against
2398 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
2402 * c-lex.c (init_c_lex): Update cpp_start_read call.
2403 (cb_ident): Update for new callback prototype.
2404 (cb_def_pragma): Update for new cpp_get_token prototype.
2405 (c_lex): Similarly. Use cpp_get_line.
2407 * c-parse.in (finish_parse): Update for new cpp_finish
2410 * cp/lex.c (finish_parse): Similarly.
2412 2000-11-01 Geoff Keating <geoffk@cygnus.com>
2414 * machmode.def: Add V16QImode.
2416 2000-11-01 Richard Henderson <rth@redhat.com>
2418 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
2419 from rtl_for_decl_location.
2420 (add_location_or_const_value_attribute): Likewise.
2422 2000-11-01 Neil Booth <neilb@earthling.net>
2424 * cpplib.c (run_directive): Use correct line number for output
2425 of _Pragma. Remember any in-progress directive.
2427 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
2429 2000-11-01 Richard Henderson <rth@redhat.com>
2431 * stmt.c (expand_start_null_loop): Set continue_label.
2433 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2435 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
2436 (expand_builtin_constant_p): Move parts of the code into
2437 fold_builtin_constant_p.
2438 (expand_builtin_strlen): Move parts of the code into fold_builtin.
2439 * expr.h (fold_builtin): Declare.
2440 * fold-const.c (fold): Handle builtin calls.
2442 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
2444 2000-11-01 Richard Henderson <rth@redhat.com>
2446 * stmt.c (expand_start_null_loop): New.
2447 (expand_end_null_loop): New.
2448 * c-semantics.c (genrtl_do_stmt): Use them.
2449 * tree.h: Declare them.
2451 2000-11-01 Richard Henderson <rth@redhat.com>
2453 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
2455 2000-11-01 Neil Booth <neilb@earthling.net>
2457 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
2458 * cp/spew.c: Similarly.
2459 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
2460 * cppmacro.c (stringify_arg): Similarly.
2461 * cpplib.h (CPP_BACKSLASH): Delete.
2463 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2465 * builtins.c (expand_builtin_strstr): New function.
2466 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
2468 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
2470 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
2473 2000-10-31 Richard Henderson <rth@redhat.com>
2475 * config/i386/i386.c (fcmov_comparison_operator): Check for
2476 CCFPmode or CCFPUmode instead of CCmode.
2477 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
2478 unordered operations as well.
2480 2000-10-31 Richard Henderson <rth@redhat.com>
2482 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
2483 of integer_zero_node.
2485 2000-10-31 Richard Henderson <rth@redhat.com>
2487 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
2489 2000-10-31 Nick Clifton <nickc@redhat.com>
2491 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
2492 -fdata-sections to override the section attribute of a DECL.
2494 2000-10-31 Chris Demetriou <cgd@sibyte.com>
2496 * libgcc2.c (__shtab): Remove __shtab variable.
2497 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
2498 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
2501 2000-10-31 Jim Wilson <wilson@redhat.com>
2503 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
2504 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
2505 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
2506 instead of ASM_OUTPUT_INTERNAL_LABEL.
2507 (dwarf2out_end_block, dwarf2out_label): Likewise.
2508 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
2509 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
2511 2000-10-31 Richard Henderson <rth@redhat.com>
2513 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
2514 (size_of_locs): Set it.
2515 (output_loc_operands): Use it to compute branch displacement.
2516 (int_loc_descriptor): New.
2517 (mem_loc_descriptor): Dereference memory in the proper size.
2518 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
2519 (loc_descriptor_from_tree): New.
2520 (rtl_for_decl_location): Break out from ...
2521 (add_location_or_const_value_attribute): ... here.
2522 (add_bound_info): Use loc_descriptor_from_tree.
2524 2000-10-31 Neil Booth <neilb@earthling.net>
2526 * cpp.texi: Update for new command line assertion syntax.
2527 * cpplib.c (cpp_define): Simplify a bit.
2528 (cpp_assert, cpp_unassert): Use handle_assertion.
2529 (handle_assertion): New function; accept new command line
2531 * testsuite/gcc.dg/cpp/assert3.c: New tests.
2533 2000-10-31 Neil Booth <neilb@earthling.net>
2535 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
2536 undefined. Remove #ifdef check.
2537 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
2538 Define STDC_0_IN_SYSTEM_HEADERS to 1.
2540 2000-10-31 Jan Hubicka <jh@suse.cz>
2541 Jakub Jelinek <jakub@redhat.com>
2543 * config/i386/i386.h: Clarify CCNOmode description in comment.
2544 (EXTRA_CC_MODES): Remove CCRCmode.
2545 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
2546 (put_condition_code, ix86_match_ccmode): Likewise.
2547 (ix86_cc_mode): Likewise. Fix comment.
2548 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
2549 * config/i386/i386.md: Add unspec 12 description.
2550 (adddi3 split): Use unspec 12 instead of CCRCmode.
2551 (addsi3_carry_rc): Remove.
2552 (addsi3_cc, addqi3_cc): New patterns.
2553 (addsi_3): Swap operands, match CCZmode.
2554 (addsi_4): Rewritten.
2555 (addsi_5): Renamed from addsi_6.
2557 (addhi_3): Swap operands, match CCZmode.
2558 (addhi_4): Rewritten.
2559 (addhi_5): Renamed from addhi_6.
2561 (addqi_3): Swap operands, match CCZmode.
2562 (addqi_4): Rewritten.
2563 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
2564 (subsi3_carry_rc): Removed.
2565 (iorqi_3): Use =q constraint for clobber.
2566 (xorqi_cc_2): Likewise.
2567 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
2568 (x86_movsicc_0_m1_rc): Removed.
2569 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
2571 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
2573 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
2574 and decrement of complex types.
2576 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2578 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
2579 builtin fputs, ensure we still evaluate the stream in case it
2582 2000-10-31 Jakub Jelinek <jakub@redhat.com>
2584 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
2587 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
2589 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
2590 (fp_extended_operand, emit_fpscr_use): Likewise.
2591 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
2592 (fpul_operand): New function.
2593 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
2594 fp_extended_operand. Add fpul_operand.
2595 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
2596 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
2597 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
2598 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
2599 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
2600 (divdf3_i): Likewise.
2601 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
2602 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
2603 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
2604 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
2605 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
2607 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
2609 * config/i386/i386.c (ix86_init_builtins): Correct return type
2610 building v4hi_ftype_v4hi_int_int tree node.
2611 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
2612 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
2614 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
2616 (mmx__uavgv8qi3): Correct insn mnemonic.
2617 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
2618 (mmx_punpckhwd): Correct insn mnemonic.
2619 (mmx_punpckhdq): Likewise.
2620 (mmx_punpcklwd): Likewise.
2621 (mmx_punpckldq): Likewise.
2622 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
2623 Renumber case labels to match the _mm_prefetch constants defined in
2626 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
2627 if the splitter didn't emit new insns.
2628 Make sure we call cleanup_subreg_operands even when splitting the last
2629 insn in a basic block.
2631 * invoke.texi (Debugging Options): Describe -do.
2632 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
2633 (dump_file): Likewise.
2634 (rest_of_compilation): Split .greg dump into .greg and .postreload.
2636 2000-10-30 Neil Booth <neilb@earthling.net>
2638 * cppfiles.c (stack_include_file): Check for stacked contexts
2640 * cpphash.h (_cpp_do__Pragma): New prototype.
2641 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
2643 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
2644 escaped newlines if !(buffer->from_stage3).
2645 (_cpp_lex_token): Warn about missing newlines iff
2646 !buffer->from_stage3.
2648 * cpplib.c (get__Pragma_string, destringize,
2649 _cpp_do__Pragma): New functions.
2650 (run_directive): Set output_line for _Pragma to avoid line
2651 markers in output. Set from_stage3 and prevent macro expansion
2652 for _Pragma and command-line options. Check buffer exhaustion.
2653 (cpp_push_buffer): Don't check for stacked macro contexts, as
2654 this is perfectly legitimate for _Pragma. Move the check to
2655 stack_include_file instead. Set from_stage3 iff buffer is
2658 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
2659 unsigned. New boolean from_stage3.
2660 (struct spec_nodes): Add n__Pragma.
2662 * cppmacro.c (enter_macro_context): Flip sense of return value.
2663 (_cpp_get_token): Handle _Pragma operator.
2665 2000-10-30 Phil Edwards <pme@sources.redhat.com>
2667 * gcc.texi: The C++ standard isn't "draft" anymore.
2669 2000-10-30 Mark Mitchell <mark@codesourcery.com>
2671 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
2673 2000-10-29 Neil Booth <neilb@earthling.net>
2675 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
2677 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
2679 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
2680 fixinc/inclhack.def: Change comments mentioning C9X to refer to
2683 * invoke.texi: Document that -V will only work for very similar
2684 versions of driver and compiler.
2686 2000-10-29 Neil Booth <neilb@earthling.net>
2688 * cppmacro.c (_cpp_create_definition): Optimize the case of
2689 a macro defined to itself.
2691 2000-10-29 Neil Booth <neilb@earthling.net>
2693 * cpplex.c (save_comment): Don't store new lines in C++ comments.
2695 2000-10-29 Michael Hayes <mhayes@redhat.com>
2697 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
2699 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
2701 * cpphash.c (cpp_forall_identifiers): Add context variable
2702 for callback routine.
2703 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
2705 (main): Call cpp_forall_identifiers with null context.
2706 * cpplib.h (cpp_forall_identifiers): Update prototype.
2708 * cppmain.c: Make `parse_in' and `print' static.
2710 2000-10-28 Alan Modra <alan@linuxcare.com.au>
2712 * c-decl.c (finish_function): Clear c_function_name_declared_p.
2714 2000-10-28 Richard Henderson <rth@redhat.com>
2716 * regrename.c (scan_rtx_address): Frob action, not class,
2717 when trying to disable optimization.
2719 2000-10-28 Mark Mitchell <mark@codesourcery.com>
2721 * c-semantics.c (make_rtl_for_local_static): Don't clobber
2722 DECL_ASSEMBLER_NAME.
2724 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
2726 * configure.in: Determine and substitute gcc_version_full.
2727 * configure: Regenerate.
2728 * gccbug.in: Use it to give full version. Don't allow
2731 2000-10-28 Richard Henderson <rth@redhat.com>
2733 * recog.c (split_all_insns): Run cleanup_subreg_operands
2736 * regrename.c (regrename_optimize): Verify that all registers of
2737 a multiple register mode are available.
2738 (scan_rtx_address): Accept the mode of the address; all callers
2741 * cpplib.c (run_directive): Fix prototype.
2743 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
2745 * reload.c (find_reloads): Distinguish "wins" so that we know whether
2746 a given operand won because of a matching constraint or not; then use
2747 that information to compute goal_alternative_matched properly.
2748 * reload1.c (choose_reload_regs): Never set reload_override_in for an
2751 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
2752 accurate value for MULT.
2753 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
2754 2% or > 98% before using static branch prediction bits.
2756 2000-10-28 Neil Booth <neilb@earthling.net>
2760 * cpplib.c (struct answer): New.
2761 (struct if_stack): Use cpp_lexer_pos rather than line and col.
2762 Rename cmacro mi_cmacro.
2763 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
2764 IN_I): New directive and flags.
2765 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
2766 parse_answer, parse_assertion, find_answer): New functions.
2767 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
2768 (lex_macro_node): New function to replace parse_ifdef and
2771 (_cpp_handle_directive): New function, combines _cpp_check_directive
2772 and _cpp_check_linemarker.
2774 (do_define, do_undef, parse_include, do_include, do_import,
2775 do_include_next, read_line_number, do_line, do_ident, do_pragma,
2776 do_pragma_once, do_pragma_poison, do_pragma_dependency):
2777 Update for new token getting interface.
2779 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
2780 : Update for new multiple-include optimisation technique.
2781 (do_elif): Don't forget to invalidate controlling macros.
2783 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
2784 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
2785 Functions to handle assertions with the new token interface.
2786 (do_assert, do_unassert): Use them.
2788 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
2791 (_cpp_init_stacks): Register directive names. Don't register special
2794 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
2795 new position recording regime.
2796 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2797 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
2798 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
2799 (cpp_type2name): Move to cpplex.c.
2801 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
2802 (parse_defined): Update to handle new multiple include optimisation
2803 method. Remove poisoned identifier warning.
2804 (parse_assertion, TYPE_NAME): Delete.
2805 (lex): Update for multiple include optimisation, removal of
2806 CPP_DEFINED, to use _cpp_test_assertion for assertions and
2808 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
2809 (op_as_text): New function, to wrap cpp_token_as_text.
2811 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
2812 Update for MI optimisation.
2813 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
2814 segfault on diagnostic.
2815 (_cpp_compare_file_date): Take a token rather than 3 args.
2816 (cpp_read_file): Work correctly for zero-length files.
2818 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2819 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2820 (cpp_lookup): Place identifiers at front of identifier pool
2821 for _cpp_lookup_with_hash.
2822 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2823 the identifier pool. Commit the memory if not already in the
2826 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2827 Initialise various members of cpp_reader, memory pools, and the
2829 (cpp_printer_init): Delete.
2830 (cpp_cleanup): Update.
2831 (struct builtin, builtin_array, initialize_builtins): Update for new
2832 hashnode definition and builtin handling.
2833 (cpp_start_read, cpp_finish): Don't take or initialise a
2836 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
2837 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
2838 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
2839 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
2840 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
2841 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
2842 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
2843 struct toklist, struct cpp_context, struct specnodes,
2844 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
2845 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
2846 enum builtin_type, cpp_can_paste): New.
2847 (struct cpp_token): Delete line and col members.
2848 (struct cpp_buffer): New member output_lineno.
2849 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
2850 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
2851 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
2852 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
2853 base_context, context, directive, mi_state, mi_if_not_defined,
2854 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
2855 mlstring_pos, macro_buffer, macro_buffer_len.
2856 Delete members mls_line, mls_column, token_list, potential_control_macro,
2857 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
2858 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
2859 save_parameter_spellings, need_newline, .
2860 Change type of date, time and spec_nodes members.
2861 Change prototypes for include and ident callbacks.
2862 (struct cpp_hashnode): Change type of name. Remove union members
2863 expansion and code. Add members macro, operator and builtin.
2865 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
2866 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
2867 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
2868 cpp_stop_lookahead): New prototypes.
2869 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
2871 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
2872 Move from cpphash.h.
2874 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
2875 ufputs): Move to cpplib.h.
2876 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
2877 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
2878 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
2879 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
2880 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
2881 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
2882 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
2883 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
2884 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
2885 _cpp_parse_assertion, _cpp_find_answer): Delete.
2886 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
2887 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
2888 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
2889 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
2890 _cpp_handle_directive, DSC): New.
2891 (struct include_file): New member defined.
2893 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
2894 _cpp_compare_file_date): Update.
2895 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
2896 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
2897 _cpp_cleanup_hashtable.
2899 * Makefile.in: Remove cppoutput.c.
2901 * cppoutput.c: Delete
2903 * fixheader.c (read_scan_file): Update for new cpp_get_token
2905 (recognized_function): New argument LINE.
2907 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
2908 new cpp_get_token prototype.
2910 * scan.h (recognized_function): Update prototype.
2912 * po/POTFILES.in: Remove cppoutput.c.
2914 2000-10-27 Mark Mitchell <mark@codesourcery.com>
2916 * c-typeck.c (check_init_type_bitfields): Remove.
2917 (constructor_incremental): Likewise.
2918 (struct constructor_stack): Remove incremental bit.
2919 (struct initializer_stack): Likewise.
2920 (start_init): Don't play with constructor_incremental.
2921 (finish_init): Likewise.
2922 (really_start_incremental_init): Likewise.
2923 (push_init_level): Likewise.
2924 (pop_init_level): Likewise.
2925 (output_init_level): Likewise.
2926 (output_pending_init_elements): Likewise.
2928 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
2930 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
2931 Improve error messages. Correct parsing of
2932 #pragma pack(pop [,id]). Do not check the user-supplied
2933 alignment if we're popping.
2935 * gcc.dg/pack-test-1.c: New test case.
2936 * gcc.dg/pack-test-2.c: New test case.
2937 * gcc.dg/pack-test-1.h: New file.
2939 2000-10-27 Neil Booth <neilb@earthling.net>
2943 2000-10-27 Kelley Cook <kelley.cook@home.com>
2945 * invoke.texi: Document -mintel-syntax
2947 2000-10-27 Richard Henderson <rth@redhat.com>
2949 * invoke.texi: Document -frename-registers. Add it to -O3.
2950 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
2951 (enum dump_file_index, dump_file): Update order.
2952 (main): Set flag_rename_registers at -O3.
2954 2000-10-27 Richard Henderson <rth@redhat.com>
2956 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
2957 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
2958 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
2959 * config/alpha/alpha.md (call_osf_1): Use it.
2960 (call_value_osf_1): Likewise.
2962 * config/ia64/ia64.c: Revert 10-23 patch.
2963 (ia64_hard_regno_rename_ok): New.
2964 * config/ia64/ia64-protos.h: Declare it.
2965 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
2967 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
2968 Richard Henderson <rth@redhat.com>
2970 * regrename.c: Rewrite to handle multi-register modes and
2971 cond_exec instructions.
2972 * Makefile.in (regrename.o): Update dependancies.
2973 * recog.h (struct operand_alternative): Add is_address.
2974 * recog.c (preprocess_constraints) [case 'p']: Set it.
2976 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
2978 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
2979 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
2980 top level. Kill oldstyle_subdirs. Do not include
2981 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
2982 $outputs. Do not run configure.lang from config.status.
2983 Rearrange warning-flag logic to correspond to what the
2984 makefile wants. Put special vax stage1 options in
2985 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
2986 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
2987 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
2988 switch is given, nothing otherwise.
2989 * configure.lang: Delete.
2991 * Makefile.in: Expunge all traces of extra_c_objs,
2992 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
2993 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
2994 warning options via a three level scheme so that -pedantic and
2995 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
2996 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
2997 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
2998 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
2999 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
3000 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
3001 generation rules. Wrap all rules that change the current
3002 directory in parentheses; pmake doesn't spawn a new shell for
3003 each command. Expunge all references to $(P). When one
3004 command depends on another and they're run all at once, use &&
3005 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
3006 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
3009 * objc/Make-lang.in: Wrap all rules that change the current
3010 directory in parentheses. Expunge all references to $(P).
3011 When one command depends on another and they're run all at
3012 once, use && to separate them, not ;. Add OUTPUT_OPTION to
3013 all object-file generation rules. Delete obsolete variables.
3014 * objc/Makefile.in: Delete.
3016 2000-10-27 Jakub Jelinek <jakub@redhat.com>
3018 * calls.c (expand_call): If sibcall_failure is set during pass 1,
3019 clear tail_call_insns as well.
3021 2000-10-27 Nick Clifton <nickc@redhat.com>
3023 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
3026 2000-10-26 Richard Henderson <rth@redhat.com>
3028 * calls.c (expand_call): Supress sibcall if we have a
3029 BLKmode return in registers.
3031 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
3033 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
3036 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
3038 * tree.c (make_node, case 't'): Set alignment to that of
3040 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
3042 2000-10-25 Mark Mitchell <mark@codesourcery.com>
3044 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
3045 * configure.in (enable-libstdcxx-v3): Arrange to have
3046 HAVE_LIBSTDCXX_V3 substituted into the output files.
3048 2000-10-25 Richard Henderson <rth@redhat.com>
3050 * recog.c (constrain_operands): Initialize which_alternative
3051 before no alternatives early exit.
3053 * cse.c (find_comparison_args): Check that we can reverse a
3054 comparison if needed before accepting the substitution.
3056 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
3058 * simplify-rtx.c (simplify_relational_operation): Sign extend
3059 low words before sign extending to high words.
3061 2000-10-25 Nick Clifton <nickc@redhat.com>
3063 * config/mcore/mcore.c: Include config.h before system.h.
3065 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
3067 * config/mcore/mcore.md (return): Force function epilogue to
3068 always be generated to work around epilogue suppression bug in
3071 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
3073 * c-decl.c (grokdeclarator): Move warning for qualified void
3074 return types with -pedantic to when the function type is
3075 constructed. At -W, warn in general for qualified function return
3076 types, except for volatile void.
3077 * invoke.texi: Document this new warning at -W.
3079 2000-10-25 Neil Booth <neilb@earthling.net>
3081 * cpp.texi: Update with implementation-defined behavior and
3084 2000-10-25 Jakub Jelinek <jakub@redhat.com>
3086 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
3087 incomplete type force it into alias set 0.
3089 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
3091 * alias.c: Include basic-block.h.
3092 (loop_p): New function.
3093 (mark_constant_function): Use it.
3094 * Makefile.in (alias.o): Update dependencies.
3096 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3098 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
3101 2000-10-24 Jim Wilson <wilson@cygnus.com>
3103 * expmed.c (store_bit_field): Move integer pun code down after
3104 code that calls emit_move_insn for entire register move.
3105 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
3106 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
3108 2000-10-24 Richard Henderson <rth@cygnus.com>
3110 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
3111 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
3113 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3115 * gcse.c (cprop_insn): do not propagate constants into jump_insn
3116 for machines with CC0 more than once.
3118 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
3120 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
3121 pseudos just like memory.
3123 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
3125 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
3126 when deleting libcall sequence collapsed to a single instruction.
3128 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
3130 * expr.c (do_store_flag): Don't crash if either side of a
3131 comparison is error_mark_node.
3133 2000-10-24 Jakub Jelinek <jakub@redhat.com>
3135 * sibcall.c (purge_mem_unchanging_flag): New function.
3136 (optimize_sibling_and_tail_recursive_calls): Call it.
3138 2000-10-24 Philipp Thomas <pthomas@suse.de>
3140 * Makefile.in (check-po): New target for doing checks in the po
3141 subdir if all languages configured.
3142 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
3143 configure if NLS is enabled.
3144 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
3145 otherwise leave empty.
3146 * configure: Regenerate.
3148 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3150 * i386.c (print_operand): Handle new 'A' formatting code.
3151 387 opcodes need suffixes even with -mintel-syntax.
3152 Check for explicit size override (codes 'b', 'w' and 'k').
3153 (print_operand_address): Check if register prefix is needed when
3154 emitting `ds' segment override.
3155 * i386.h: Add comment about new 'A' formatting code.
3156 * i386.md (jump and call patterns): Emit absolute references using %A.
3158 2000-10-23 Richard Henderson <rth@cygnus.com>
3160 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
3161 output registers as fixed.
3162 (ia64_function_epilogue): Undo output fixation.
3164 2000-10-23 Richard Henderson <rth@cygnus.com>
3166 * config/alpha/alpha.md: Add names for all unnamed insns; use
3167 define_insn_and_split in some obvious places.
3169 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
3170 (zero_extendqisi2, zero_extendqidi2): Likewise.
3171 (zero_extendhisi2, zero_extendhidi2): Likewise.
3172 (abs splitters): Fix match_scratch operand number.
3173 (bcc_reverse): Swap pc & label instead of non-canonical compare.
3175 2000-10-23 Jim Wilson <wilson@cygnus.com>
3177 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
3179 * ia64.md (cmpsi_adjusted): Use %r3.
3180 (cmpdi_adjusted): Likewise.
3182 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3184 * config/i386/att.h (ASM_FILE_START): Define.
3186 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3188 * config/i386/linux.h (ASM_FILE_START): Define.
3190 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
3192 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
3193 since this (only) drags in a crt0.o reference that the .ld files
3196 2000-10-23 Geoff Keating <geoffk@cygnus.com>
3198 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
3199 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
3200 reloads just like an RELOAD_FOR_OUTPUT would.
3202 * local-alloc.c (update_equiv_regs): Add an abort(). When
3203 deleting or moving insns, update reg_equiv[regno].init_insns.
3205 2000-10-23 Mark Mitchell <mark@codesourcery.com>
3207 * c-tree.texi: Improve documentation for IF_STMTs and related
3208 conditional statements.
3210 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3212 * expr.c (do_preexpand_calls): Remove.
3213 (same_from_p): Don't use CALL_EXPR_RTL.
3214 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
3215 (preexpand_calls): Remove.
3216 * tree.c (first_rtl_op): Remove CALL_EXPR case.
3217 (unsave_expr_1): Likewise.
3218 * tree.def (CALL_EXPR): Give it only two slots.
3219 * tree.h (CALL_EXPR_RTL): Remove.
3221 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
3223 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
3224 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3227 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
3229 * calls.c (combine_pending_stack_adjustment_and_call): Don't
3230 adjust stack when unadjusted_alignment ends up as zero.
3232 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
3234 * fixinc/genfixes: Remove EGCS reference.
3235 * install.texi: Remove EGCS reference.
3236 * INSTALL: Regenerate.
3238 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3240 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
3242 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
3244 * diagnostic.c: Remove EGCS reference in comment.
3246 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3248 * loop.c (strength_reduce): Fix error in last change.
3250 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3252 * Makefile.in (SHLIB_NM_FLAGS): New.
3253 (libgcc.mk): Pass it.
3254 * mklibgcc.in (libgcc.map): Use it.
3256 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
3257 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
3259 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3261 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
3263 * sparc.c (load_pic_register): Delete unused varaible.
3265 * libgcc2.c (__addvsi3): Delete unused variable.
3267 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
3268 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
3269 __negvdi2): Prototype.
3271 * ssa.c (apply_delayed_renames): Avoid undefined operation.
3273 * toplev.c (display_target_options): Make static to match
3274 prototype. Delete empty declaration.
3276 2000-10-20 Tom Tromey <tromey@cygnus.com>
3278 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3279 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3281 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3283 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
3285 (expand_expr_unaligned, case ARRAY_REF): Check that index is
3286 a constant before comparing it; use tree_low_cst.
3287 * tree.c (save_expr): Set TREE_READONLY.
3288 (substitute_expr): Return inside of NON_LVALUE_EXPR.
3289 (build, build1): Set TREE_READONLY if all operands are.
3290 (build_index_type): If upper bound is a negative number, lower
3291 bound is zero and sizetype is unsigned, use upper bound of one and
3294 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3296 * gcc.c (process_command, main): Use "because" instead of
3297 "since" in error messages.
3299 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3301 * stor-layout.c (compute_record_mode): Use tree_low_cst.
3302 Don't use mode of field for record unless sizes are the same.
3303 (layout_type, case ARRAY_TYPE): Remove special bounds handling
3304 previously added for Ada; also change to using host_integerp
3307 * loop.c (strength_reduce): Show when new register made for
3308 giv is known to be a pointer and its aligment if so and known.
3309 (loop_dump_aux): Show VERBOSE parameter unused.
3311 * gcse.c (set_hash_table_size): Now unsigned.
3312 * sdbout.c (template_name_p): Add "const" to avoid warnings.
3313 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
3314 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
3315 (sdbout_end_epilogue): Remove variable NAME.
3316 * system.h (getopt): Add default definition.
3317 * config/alpha/alpha.c (print_operand): Don't continue processing
3318 after issuing error.
3319 (summarize_insn): Avoid use of UL in constant.
3321 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
3323 * fold-const.c (force_fit_type): Unsigned values can overflow
3324 if they are sizetype.
3325 (int_const_binop): Don't use cache if overflows.
3327 2000-10-20 Richard Henderson <rth@cygnus.com>
3329 * function.c (locate_and_pad_parm): Zero alignment_pad.
3331 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
3332 perform substitutions, and apply_change_group to see if it worked.
3334 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3336 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
3338 * combine.c (struct undo): Change int to unsigned int.
3339 (do_SUBST_INT): Args are unsigned int.
3340 (make_extraction, force_to_mode): Use proper type when forming mask.
3341 (make_field_assignment): Likewise.
3343 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
3345 * c-common.c (check_format_info_recurse): Extract string constant
3346 initializers from non-volatile constant arrays and check them as
3348 * c-typeck.c (decl_constant_value): Don't check pedantic or check
3349 for DECL_MODE (decl) != BLKmode.
3350 (decl_constant_value_for_broken_optimization): New function which
3351 includes these checks.
3352 (default_conversion, convert_for_assignment, digest_init): Use
3353 decl_constant_value_for_broken_optimization instead of
3354 decl_constant_value.
3356 2000-10-20 Mark Mitchell <mark@codesourcery.com>
3358 * tree.h (DECL_ALIGN_UNIT): New macro.
3360 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
3362 * config/avr/avr-protos.h (avr_output_bld): New.
3363 (out_shift_with_cnt): Add t_len argument.
3364 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
3365 (output_movqi, output_movhi, output_movsisf): Optimize loading
3366 any constant with exactly one bit set to NO_LD_REGS.
3367 (out_shift_with_cnt): Optimize output code for size or speed,
3368 depending on optimize_size. Handle small shift counts as well
3369 (if not hand-optimized in ?sh??i3_out). Shifts can be done
3370 with or without a scratch register, with help of __tmp_reg__
3371 or __zero_reg__ if necessary. Add T_LEN argument to pass the
3372 length of TEMPLATE in words, return total insn length in *LEN.
3373 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
3374 out_shift_with_cnt to work with the above change.
3375 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
3376 lshrsi3_out): Likewise. Optimize more known shift count cases.
3377 Remove cases already well optimized in out_shift_with_cnt.
3378 (avr_output_bld): New function.
3379 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
3380 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
3381 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
3382 Add reload_completed to insn condition - only for peepholes.
3383 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
3384 in a register or memory.
3385 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
3386 Do not require a scratch register.
3387 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
3388 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
3389 Optimize shifts by known count using a scratch register, but only
3390 if one is still available after register allocation.
3392 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3394 * t-vax: New file. Don't build modules from libgcc1.c.
3396 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
3398 * alias.c: (mark_constant_function): Don't check pure functions.
3399 Initialize and end alias analysis.
3400 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
3401 Don't make a special exception for recursion. Handle
3402 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
3403 unless it's volatile.
3405 * local-alloc.c (equivalence): New structure.
3406 (reg_equiv): Define.
3407 (contains_replace_regs): Remove array and use
3409 (memref_referenced_p): Likewise.
3410 (no_equiv): Likewise.
3411 (update_equiv_regs): Likewise.
3413 (equiv_init_varies_p,
3414 equiv_init_movable_p): New functions.
3415 (update_equiv_regs): Use them. Use rtx_varies_p
3416 instead of function_invariant_p. Process insns
3417 from end to beginning. Allow a REG_EQUIV insn
3418 within the same loop as a use to be moved, also
3419 allow it to be moved out of a loop. Update
3420 REG_DEAD notes when substituting into an insn.
3422 2000-10-19 Jim Wilson <wilson@cygnus.com>
3424 * c-decl.c (start_decl): Check for error_mark_node type before using
3426 (finish_decl): Likewise. Don't give an error if decl type is
3427 already error_mark_node.
3429 * haifa-sched.c (compute_trg_info): Add explanatory comments.
3430 New local update_blocks. Use update_blocks to remove duplicates
3431 when computing update blocks. Check for bblst_table overflow.
3432 (schedule_block): Add explanatory comment. Reduce bblst_size by
3434 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
3437 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3439 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
3441 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3443 * expmed.c: Minor corrections in comments.
3444 * invoke.texi: Added desciption for the new option -ftrapv.
3446 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3448 * libgcc2.c: Added the missing #endif.
3450 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3452 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
3454 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
3456 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
3457 Use smulv_optab for -ftrapv.
3458 (expand_mult_highpart): Use unsigned multiply.
3459 (expand_divmod): Special-case division by -1.
3460 For EXACT_DIV_EXPR, do right shift first, then the multiply.
3461 For complex divide, use abs with unsigned result.
3462 * expr.c (force_operand): Use unsigned multiply.
3463 (expand_expr): Use overflow-trapping optabs for signed types if
3465 If flag_trapv, don't generate a recursive call with EXPAND_SUM
3466 if the type is signed and the original call wasn't EXPAND_SUM or
3468 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
3469 (negv_optab, absv_optab): Declare.
3470 * flags.h (flag_trapv): Declare.
3471 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
3472 smulv_optab, sdivv_optab, negv_optab and absv_optab.
3473 (gen_insn): Interpret '$P' as requiring an integer mode,
3474 including partial integer modes.
3475 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
3476 (product_cheap_p): Use unsigned expand_mult.
3477 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
3478 (negv_optab, absv_optab): Define.
3479 (expand_binop): Use overflow-trapping optabs for signed types if
3481 Handle negv_optab libe neg_optab.
3482 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
3483 Use overflow-trapping optabs for signed result if flag_trapv.
3484 (expand_complex_abs): Use overflow-trapping optabs for signed types if
3486 Don't open-code complex absolute-value operation for flag_trapv.
3487 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
3488 sdivv_optab, negv_optab and absv_optab.
3489 * toplev.c (flag_trapv): Define.
3490 (lang_independent_options f_options): Include flag_trapv.
3491 * tree.h (TYPE_TRAP_SIGNED): Define.
3492 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
3493 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3495 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
3496 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
3498 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
3499 David V. Henkel-Wallace <gumby@cygnus.com>
3501 * config/i386/t-netware: Bring in from the Red Hat tree.
3502 * config/i386/netware.h: Likewise.
3503 * config/netware.h: Likewise.
3504 * config/rs6000/netware.h: Delete.
3505 * configure.in: Add i[34567]86-*-netware.
3506 * configure: Hand-edit to match configure.in change.
3508 2000-10-18 Mark Mitchell <mark@codesourcery.com>
3510 * c-common.h (flag_no_builtin): Declare.
3511 (flag_no_nonansi_builtin): Likewise.
3512 (c_common_nodes_and_builtins): Change prototype.
3513 * c-common.c (flag_no_builtin): New variable.
3514 (flag_no_nonansi_builtin): Likewise.
3515 (c_common_nodes_and_builtins): Remove parameters. Adjust
3517 * c-decl.c (flag_no_builtin): Remove.
3518 (flag_no_nonansi_builtin): Likewise.
3519 (init_decl_processing): Adjust call to
3520 c_common_nodes_and_builtins.
3522 2000-10-18 Marc Espie <espie@openbsd.org>
3524 * tm.texi (LIBGCC_SPEC): Synch with reality.
3526 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3528 * c-common.c (check_format_types): Check for writing through a
3529 NULL pointer argument.
3531 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
3533 * tm.texi (Exception Region Output): Document
3534 DWARF_CIE_DATA_ALIGNMENT.
3535 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
3537 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
3538 DWARF_CIE_DATA_ALIGNMENT.
3540 2000-10-18 Michael Hayes <mhayes@cygnus.com>
3542 * basic-block.h (struct loop): Delete fields pre_header_root
3543 and pre_header_trace and replace with pre_header_edges
3544 and num_pre_header_edges.
3545 * flow.c (flow_loop_dump): Dump pre_header_edges.
3546 (flow_loops_free): Free pre_header_edges.
3547 (flow_loop_pre_header_scan): Calculate pre_header_edges.
3549 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3551 * contrib.texi: Update references to steering committee members
3552 and Jeff Law's entry.
3554 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3556 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
3557 (maybe_read_dollar_number, check_format_info_main): Use them for
3558 pedantic warning messages.
3560 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3562 * c-common.c (check_format_info_main): Minor cleanup: move
3563 variables into inner scopes; initialize declarations where
3564 appropriate; don't hardcode "scanf" name on warning for zero
3567 2000-10-17 Mark Mitchell <mark@codesourcery.com>
3569 * c-common.c (back_end_hook): New variable.
3570 * c-common.h (back_end_hook): Declare it.
3571 * c-lang.c (finish_file): Use it.
3573 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
3576 2000-10-18 Jan Hubicka <jh@suse.cz>
3578 * i386.c (ix86_comparison_operator, put_condition_code,
3579 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
3580 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
3581 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
3582 * i386.md (adddi and negdi splitter): Use CCRCmode.
3583 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
3584 (subsi3_carry): add '*'
3585 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
3586 (cmp to add peep2): Use CCRCmode; swap operands.
3588 2000-10-18 Kazu Hirata <kazu@hxi.com>
3590 * h8300.c: Fix a comment typo.
3591 (round_frame_size): New.
3592 (compute_saved_regs): Likewise.
3595 (push_order): Remove.
3596 (pop_order): Likewise.
3597 (function_prologue): Rearrange code for readability.
3598 (function_epilogue): Likewise.
3600 * config/h8300/h8300.md: Remove an unnecessary sign_extend
3601 expander that is used when not optimizing. Output a tab after
3602 each assembly insns.
3604 * reorg.c: Fix formatting.
3606 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
3608 * reload1.c (move2add_note_store): Check for simple
3609 auto-inc in destination.
3611 2000-10-17 Michael Chastain <chastain@redhat.com>
3613 * config/i386/i386-aout.h: define INT_ASM_OP.
3615 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
3617 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
3619 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
3621 * i370.md: Fix spelling typo.
3623 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3625 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
3626 Fixes execute/20001017-1.c on powerpc-linux-gnu.
3628 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
3629 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
3632 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
3633 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
3635 * rs6000/aix.h: ...to here.
3636 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
3638 2000-10-17 Jakub Jelinek <jakub@redhat.com>
3640 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
3642 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
3643 sure linker can relax even the delay slot mov %g1,%o7, fix output
3646 2000-10-17 Kazu Hirata <kazu@hxi.com>
3648 * config/h8300/h8300.md: Remove an unnecessary zero_extend
3649 expander that is used when not optimizing. Output a tab after
3650 each assembly insns.
3652 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
3654 * gcc.c: New options --target-help.
3655 (process_command): Added code to parse this new option.
3656 * toplev.c (display_target_options): New function to support the
3658 * cppinit.c (new_pending_directive) : New option OPT_target__help.
3659 (cpp_handle_option): Support this new option.
3660 * invoke.texi: Added notes about --target-help option.
3662 2000-10-17 Graham Stott <grahams@redhat.com>
3664 * config/i386/i386.md (testqi_1): Add missing operand prefix
3666 * config/i386/i386-protos.h: Add missing prototype.
3668 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
3670 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
3671 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
3672 using -mintel-syntax.
3674 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3676 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
3677 (format_types): Use it for printf.
3678 (maybe_read_dollar_number): Add parameter for the kind of format
3679 involved. Warn for multiple use for arguments if this is
3680 inappropriate for the kind of format involved.
3681 (check_format_info_main): Update calls to maybe_read_dollar_number.
3683 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3685 * inclhack.def (hpux_maxint): Also apply fix to values.h.
3686 * fixincl.x: Rebuilt.
3688 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
3690 * genrecog.c (write_switch): Return the first condition that needs a
3693 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
3695 * c-tree.h (warn_sequence_point): Move declaration to...
3696 * c-common.h (warn_sequence_point): ... here.
3697 * c-decl.c (warn_sequence_point): Move definition to...
3698 * c-common.c (warn_sequence_point): ... here.
3699 (struct reverse_tree): New.
3700 (reverse_list, reverse_max_depth): New static variables.
3701 (build_reverse_tree, common_ancestor, modify_ok
3702 verify_sequence_points): New functions.
3703 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
3704 * c-typeck.c (check_modify_expr): Delete.
3705 (build_modify_expr): Don't call it.
3707 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3709 * c-common.h (warn_missing_format_attribute): New variable.
3710 * c-decl.c (warn_missing_format_attribute): New variable.
3711 (c_decode_option): Decode -Wmissing-format-attribute and
3712 -Wno-missing-format-attribute.
3713 * c-common.c (check_function_format): If
3714 -Wmissing-format-attribute, give a warning where a vprintf or
3715 vscanf function is called by a function without its own printf or
3717 * toplev.c (documented_lang_options): Add
3718 -Wmissing-format-attribute.
3719 * invoke.texi: Document -Wmissing-format-attribute.
3721 2000-10-17 Marc Espie <espie@openbsd.org>
3723 * invoke.texi (-shared): Insist on requiring code generation flags
3724 to be used along with -shared, and document the subtle failure that
3725 may occur otherwise.
3727 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3729 * pa.md (return_internal): Move `use' after `return'.
3731 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3733 * machmode.def: Correct comment.
3735 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
3737 * print-rtl.c (print_rtx_head): Constify.
3738 * rtl.h (print_rtx_head): Similarly.
3740 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
3741 Constify char * return value.
3743 (output_64bit_and, output_64bit_ior): Constify char * return value.
3744 (pa_can_combine_p): Make static.
3745 (function_arg): Decorate unused `named' argument. Fix comment typo.
3746 (function_arg_partial_nregs): Decorate unused `named' argument.
3748 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
3750 * c-common.c (format_check_results): New structure.
3751 (finish_dollar_format_checking): Adjust to take a
3752 format_check_results * parameter.
3753 (check_format_info, check_format_info_recurse,
3754 check_format_info_main): Split check_format_info into three
3755 functions, the main checking going in check_format_info_main.
3756 Recurse when any reduction of the format string argument towards a
3757 string literal is done; go down both branches of a conditional
3758 expression. Don't warn for extra format arguments or empty format
3759 strings if they only occur in some branches of a conditional
3762 2000-10-16 Kazu Hirata <kazu@hxi.com>
3764 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
3766 2000-10-16 Jakub Jelinek <jakub@redhat.com>
3768 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
3770 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
3772 * i386.md (*movsi_or): Switch operand order for intel syntax.
3774 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
3778 * gcc.texi (Contributing): Update.
3780 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
3782 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
3783 appropriate assembler dialect.
3785 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
3787 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
3789 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
3791 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
3792 constants 1 and 2 to NO_LD_REGS.
3794 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3796 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
3798 * objc/Make-lang.in (objc-parse.c): Likewise.
3800 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3802 * arm.c: Include obstack.h
3803 (minipool_obstack, minipool_startobj): Define.
3804 (arm_add_gc_roots): Initialize them.
3805 (create_fix_barrier): Use our new obstack.
3806 (push_minipool_barrier, push_minipool_fix): Likewise.
3807 (arm_reorg): Release obstack memory.
3809 2000-10-13 Jakub Jelinek <jakub@redhat.com>
3811 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
3812 (prologue, exception_receiver, builtin_setjmp_receiver): New
3814 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
3815 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3816 (load_pic_register): New prototype.
3817 * config/sparc/sparc.c (pic_setup_code): Remove.
3818 (finalize_pic): Rename to...
3819 (load_pic_register): ...this function.
3820 Don't look for nonlocal_goto_receivers and emit pic setup code
3821 directly. Don't check current_function_uses_pic_offset_table.
3823 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3825 * tree.h (struct obstack): Declare.
3827 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3830 * Makefile.in (ggc-callbacks.o): Remove target.
3831 (flow.o): Depend on GGC_H.
3832 * alias.c (init_alias_analysis):
3833 Remove ggc_p conditionals.
3834 (end_alias_analysis): Likewise.
3835 * basic-block.h (init_flow): New function.
3836 (allocate_reg_life_data): Declare.
3837 * bb-reorder.c (function_obstack): Replace with ...
3838 (flow_obstack): ... new variable.
3839 (fixup_reorder_chain): Use it.
3840 * c-decl.c (ggc_p): Remove.
3841 (caller-save.c): Don't call oballoc/obfree.
3843 undobuf): Remove storage.
3844 (try_combine): Don't call oballoc.
3845 (undo_all): Don't call obfree.
3846 * cse.c (insert): Use xmalloc, not
3848 (cse_main): Adjust accordingly.
3849 * dwarf2out.c (save_rtx): Remove
3851 (dwarf2out_init): Remove ggc_p conditionals.
3852 * emit-rtl.c (rtl_obstack): Remove.
3853 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
3854 (make_insn_raw): Likewise.
3855 (emit_insn_before): Likewise.
3856 (emit_insn_after): Likewise.
3857 (emit_insn): Likewise.
3858 (gen_sequence): Likewise.
3859 (copy_insn_1): Remove handling of `b' RTL components.
3860 (init_emit_once): Remove ggc_p conditionals.
3861 * except.c (create_rethrow_ref): Don't fool with obstacks.
3862 (add_partial_entry): Likewise.
3863 (call_get_eh_context): Likewise.
3864 (begin_protect_partials): Likewise.
3865 (protect_with_terminate): Likewise.
3867 (plus_constant_wide): Likewise.
3868 * expr.c (init_expr_once):
3870 (emit_block_move): Likewise.
3871 (clear_storage): Likewise.
3872 (expand_expr): Likewise.
3873 * flow.c (function_obstack): Remove.
3874 (flow_obstack): New variable.
3875 (flow_firstobj): Likewise.
3876 (create_base_block): Use the flow_obstack.
3877 (split_block): Likewise.
3878 (split_edge): Likewise.
3879 (calculate_global_regs_live): Likewise.
3880 (allocate_bb_life_data): Make it static. Likewiwse.
3881 (init_flow): New function.
3882 (size_int_type_wide): Remove ggc_p conditionals.
3884 (push_function_context_to): Don't call save_tree_status.
3885 (pop_function_context_from): Or restore_tree_status.
3886 (assign_stack_local_1): Don't call push_obstacks.
3887 (find_fixup_replacement): Use xmalloc.
3888 (fixup_var_refs_insns): Free the storage.
3889 (insns_for_mem_walk): Don't mess with obstacks.
3890 (instantiate_decls): Likewise.
3891 (trampoline_address): Likewise.
3892 (expand_function_end): Likewise.
3893 * function.h (sturct function):
3894 Remove obstack-related variables.
3895 (save_tree_status): Don't declare.
3896 (restore_tree_status): Likewise.
3897 * gcse.c (compute_can_copy):
3898 Don't call oballoc/obfree.
3899 * genattrtab.c (operate_exp): Remove
3901 (simplify_cond): Likewise.
3902 (simplify_test_exp): Don't mess with obstacks.
3903 (optimize_attrs): Likewise.
3904 * gengenrtl.c (gendef): Don't include
3906 * ggc-callbacks.c (ggc_p): Remove.
3907 * ggc-none.c (ggc_p): Remove.
3908 * ggc.h (ggc_p): Don't declare.
3909 * integrate.c (save_for_inline): Don't mess with obstacks.
3910 (integrate_decl_tree): Likewise.
3911 (output_inline_function): Likewise.
3913 (init_EXPR_INSN_LIST_cache): Likewise.
3914 * loop.c (temp_obstack):
3916 (rtl_obstack): Likewise.
3917 (init_loop): Don't mess with obstacks.
3918 (reg_address_cost): Free BIVs and GIVs.
3919 (check_insns_for_bivs): Use xmalloc, not oballoc.
3920 (find_mem_givs): Likewise.
3921 (record_biv): Likewise.
3922 (general_induction_var): Likewise.
3923 (product_cheap_p): Likewse.
3924 * optabs.c (init_one_libfunc): Remove
3926 * print-tree.c (debug_tree): Don't use
3928 (print_node): Likewise.
3929 * profile.c (output_func_start_profiler):
3930 Remove call to temporary_allocation.
3932 (eliminate_regs_in_insn): Don't mess with obstacks.
3934 (mark_target_live_regs): Use xmalloc.
3935 (free_resource_info): Free the memory.
3936 * rtl.c (rtl_obstack):
3938 (rtvec_alloc): Don't mess with obstacks.
3939 (rtx_alloc): Likewise.
3941 (copy_rtx): Don't handle `b' cases.
3942 (read_rtx): Use a local rtl_obstack.
3943 * rtl.h (oballoc): Remove.
3945 (pop_obstacks): Likewise.
3946 (push_obstacks): Likewise.
3947 (allocate_bb_life_data): Likewise.
3948 (allocate_reg_life_data): Likewise.
3949 (rtx_free): Likewise.
3950 * sdbout.c (sdbout_queue_anonymous_type):
3951 Use tree_cons, not saveable_tree_cons.
3953 (cselib_init): Don't mess with obstacks.
3955 (mark_block_nesting): Mark the label_chain.
3956 (epxand_label): Use ggc_alloc, not oballoc.
3957 (clear_last_expr): Don't mess with obstacks.
3958 (expand_decl_cleanup): Likewise.
3959 (expand_dcc_cleanup): Likewise.
3960 (expand_dhc_cleanup): Likewise.
3961 (expand_anon_union_decl): Likewise.
3962 (add_case_node): Use xmalloc, not oballoc.
3963 (free_case_nodes): New function.
3964 (expand_end_case): Call it.
3965 * stor-layout.c (layout_type): Don't
3967 (layout_type): Likewise.
3968 * toplev.c (wrapup_global_declarations):
3970 (compile_file): Remove ggc_p conditionals.
3971 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
3972 (decode_f_option): Remove ggc_p conditionals.
3974 (function_maybepermanent_obstack): Remove.
3975 (maybepermanent_obstack): Likewise.
3976 (function_obstack): Likewise.
3977 (tmeporary_obstack): Likewise.
3978 (momentary_obstack): Likewise.
3979 (temp_decl_obstack): Likewise.
3980 (saveable_obstack): Likewise.
3981 (rtl_obstack): Likewise.
3982 (current_obstack): Likewise.
3983 (expression_obstack): Likewise.
3984 (struct obstack_stack): Likewise.
3985 (obstack_stack): Likewise.
3986 (obstack_stack_obstack): Likewise.
3987 (maybepermanent_firstobj): Likewise.
3988 (temporary_firstobj): Likewise.
3989 (momentary_firstobj): Likewise.
3990 (temp_decl_firstobj): Likewise.
3991 (momentary_function_firstobj): Likewise.
3992 (all_types_permanent): Likewise.
3993 (struct momentary_level): Likewise.
3994 (momentary_stack): Likewise.
3995 (init_obstacks): Remove initialization of removed obstacks.
3996 (save_tree_status): Remove.
3997 (restore_tree_status): Likewise.
3998 (temporary_allocation): Liekwise.
3999 (end_temporary_allocation): Liekwise.
4000 (resume_temporary_allocation): Likewise.
4001 (saveable_allocation): Likewise.
4002 (push_obstacks): Likewise.
4003 (push_obstacks_nochange): Likewise.
4004 (pop_obstacks): Likewise.
4005 (allocation_temporary_p): Likewise.
4006 (permanent_allocation): Likewise.
4007 (preserve_data): Likewise.
4008 (preserve_initializer): Likewise.
4009 (rtl_in_current_obstack): Likewise.
4010 (rtl_in_saveable_obstack): Likewise.
4011 (oballoc): Likewise.
4013 (savealloc): Likewise.
4014 (expralloc): Likewise.
4015 (print_obstack_name): Likewise.
4016 (debug_obstack): Likewise.
4017 (object_permanent_p): Likewise.
4018 (push_momentary): Likewise.
4019 (perserve_momentary): Likewise.
4020 (clear_momentary): Likewise.
4021 (pop_momentary): Likewise.
4022 (pop_momentary_nofree): Likewise.
4023 (suspend_momentary): Likewise.
4024 (resume_momentary): Likewise.
4025 (make_node): Don't set TREE_PERMANENT.
4026 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
4027 Don't set TREE_PERMANENT.
4028 (get_identifier): Remove ggc_p conditionals.
4029 (build_string): Likewise.
4030 (make_tree_vec): Likewise.
4031 (build_decl_list): Remove.
4032 (build_expr_list): Likewise.
4033 (tree_cons): Remove ggc_p conditionals.
4034 (decl_tree_cons): Remove.
4035 (expr_tree_cons): Likewise.
4036 (perm_tree_cons): Likewise.
4037 (temp_tree_cons): Likewise.
4038 (saveable_tree_cons): Likewise.
4039 (build1): Remove ggc_p conditionals.
4040 (build_parse_node): Likewise.
4041 (build_type_attribute_variant): Don't mess with obstacks.
4042 (build_type_copy): Likewise.
4043 (type_hash_canon): Likewise.
4044 (build_pointer_type): Likewise.
4045 (build_reference_type): Likewise.
4046 (build_index_type): Likewise.
4047 (build_range_type): Likewise.
4048 (dump_tree_statistics): Don't print obstack information.
4050 (struct tree_common): Remove permanent_flag.
4051 (TREE_PERMANENT): Remove.
4052 (TREE_SET_PERMANENT): Likewise.
4053 (TYPE_OBSTACK): Likewise.
4054 (struct tree_type): Remove obstack.
4056 (savealloc): Likewise.
4057 (build_decl_list): Likewise.
4058 (build_expr_list): Likewise.
4059 (perm_tree_cons): Likewise.
4060 (temp_tree_cons): Likewise.
4061 (saveable_tree_cons): Likewise.
4062 (decl_tree_cons): Likewise.
4063 (expr_tree_cons): Likewise.
4064 (suspend_momentary): Likewise.
4065 (allocation_temporary_p): Likewise.
4066 (resume_momentary): Likewise.
4067 (push_obstacks_nochange): Likewise.
4068 (permanent_allocation): Likewise.
4069 (push_momentary): Likewise.
4070 (clear_momentary): Likewise.
4071 (pop_momentary): Likewise.
4072 (end_temporary_allocation): Likewise.
4073 (pop_obstacks): Likewise.
4074 (push_obstacks): Likewise.
4075 (pop_momentary_nofree): LIkewise.
4076 (preserve_momentary): Likewise.
4077 (saveable_allocation): Likewise.
4078 (temporary_allocation): Likewise.
4079 (resume_temporary_allocation): Likewise.
4080 (perserve_initializer): Likewise.
4081 (debug_obstack): Likewise.
4082 (rtl_in_current_obstack): Likewise.
4083 (rtl_in_saveable_obstack): Likewise.
4085 * varasm.c (current_obstack): Remove.
4086 (saveable_obstack): Remove.
4087 (rtl_obstack): Remove.
4088 (immed_double_const): Don't mess with obstacks.
4089 (immed_real_cons): Likewise.
4090 (output_constant_def): Likewise.
4091 (init_varasm_status): Use xcalloc.
4092 (mark_pool_constant): Mark the pool constant itself.
4093 (free_varasm_status): Free memory.
4094 (decode_rtx_const): Call bzero directly, rather than expanding it
4096 (record_rtx_const): Don't mess with obstacks.
4097 (force_const_mem): Likewise.
4098 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
4100 (aof_pic_entry): Likewise.
4101 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
4102 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
4103 * config/pa/pa.c (saveable_obstack): Remove.
4104 (rtl_obstack): Likewise.
4105 (current_obstack): Likewise.
4106 (output_call): Don't mess with obstacks.
4107 (hppa_encode_label): Remove ggc_p conditionals.
4108 * config/romp/romp.c (get_symref): Don't mess with obstacks.
4109 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
4110 (rs6000_encode_section_info): Likewise.
4111 * config/sh/sh.c (get_fpscr_rtx): Likewise.
4113 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
4115 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
4116 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
4117 (addsi3_carry): Canonicalize.
4118 (addqi_5): Remove '*'.
4119 (sbb pattern): Canonicalize.
4121 * i386.md (cmp to inc/add peep2): New.
4123 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
4125 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
4128 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4130 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
4131 * README.TRAD, TESTS.FLUNK: Remove.
4133 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4135 * c-common.c (decl_attributes): Don't allow strftime formats with
4136 first_arg_num nonzero.
4137 (check_format_info): Set wanted_type and wanted_type_name to zero
4138 before they are possibly assigned and used.
4140 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4142 * c-common.c (scanf_flag_specs): Add flags ' and I.
4143 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
4144 or the ^ and # flags together.
4145 (scan_char_table): Handle the ' and I flags.
4146 (format_types): Add ' and I flags for scanf.
4148 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4150 * c-common.c (print_char_table): Use the unpromoted type for
4151 lengths "h" and "hh" with conversions dioxXu.
4152 (check_format_types): Apply the default argument promotions where
4153 the wanted type is not a pointer target.
4155 2000-10-11 Michael Meeks <mmeeks@gnu.org>
4156 Joseph S. Myers <jsm28@cam.ac.uk>
4158 * c-typeck.c (check_modify_expr): New function.
4159 (build_modify_expr): Call it if warn_sequence_point.
4160 * c-decl.c (warn_sequence_point): New variable.
4161 (c_decode_option): Handle -Wsequence-point and
4162 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
4163 * c-tree.h (warn_sequence_point): Declare.
4164 * invoke.texi (-Wsequence-point): Document.
4165 * toplev.c (documented_lang_options): Add -Wsequence-point and
4166 -Wno-sequence-point.
4167 Original work by Michael Meeks, 16 Jun 1998.
4169 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4171 * tree.c (get_narrower): Don't look at precision of field if
4174 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
4176 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
4177 declaration for data with "progmem" attribute.
4179 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
4181 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
4182 Correct insn length if shift count is a memory operand.
4183 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
4184 (*iorhi3_clobber): Change lo8 to hi8.
4185 (zero_extendhisi2): Change %B0 to %A1.
4186 (ashlhi3, ashrhi3): Correct insn length.
4187 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
4188 from "clobber" to "set_n" in some alternatives.
4190 2000-10-10 Jakub Jelinek <jakub@redhat.com>
4192 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
4193 remove its insn_chain structure as well.
4195 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4197 * dbxout.c (dbxout_source_line): Remove extra tab.
4199 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
4201 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
4203 2000-10-09 Richard Henderson <rth@cygnus.com>
4205 * Makefile.in (LANG_LIB2FUNCS): Remove.
4206 (LIB2FUNCS): Remove _pure.
4207 (LIB2ADD): Remove LANG_LIB2FUNCS.
4208 (stage_a): Don't set LANG_LIB2FUNCS.
4209 * libgcc2.c (__terminate): Mark noreturn.
4210 (__pure_virtual): Remove.
4211 * mklibgcc.in: Remove LIB2ADD .txt processing.
4213 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4215 * arm.md (push_multi): Revert unintended change.
4217 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4219 * arm.c: Miscellaneous white space and comment clean-ups. No
4223 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4225 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
4226 STRING_CST by calling combine_strings.
4228 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4230 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
4231 (thumb_output_move_mem_multiple): Support new insn format.
4232 * arm.md (movmem12b): Use SSA compatible format.
4233 (movmem8b): Likewise.
4235 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4237 * arm.md (predicable): New attribute, default to "no".
4238 (all patterns): Mark as predicable if appropriate.
4239 (conditional execution splits): Split using predication format.
4240 (define_cond_exec): Define.
4241 * arm.c (arm_print_operand): handle insn predicate.
4243 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4245 * README.NS32K: Remove file.
4247 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4249 * README-bugs: Remove file.
4251 2000-10-08 Philipp Thomas <pthomas@suse.de>
4252 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
4254 * configure: Rebuilt.
4256 2000-10-08 Philipp Thomas <pthomas@suse.de>
4257 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
4258 disable catalog building if no suitable program was found.
4259 Move warning message from here
4260 (AM_GNU_GETTEXT): To here.
4261 * configure: Rebuilt.
4263 2000-10-08 Philipp Thomas <pthomas@suse.de>
4264 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
4265 different cache variables.
4266 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
4267 uses different cache variables.
4268 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
4269 * configure: Regenerated.
4271 2000-10-08 Richard Henderson <rth@cygnus.com>
4273 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
4274 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
4275 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
4278 * config/t-linux (SHLIB_EXT): New.
4279 (SHLIB_LINK): Use the entire build command, with substitutions.
4280 (SHLIB_LIBS): Remove.
4281 * config/alpha/t-osf4: Likewise.
4282 * config/mips/t-iris6: Likewise.
4283 * config/sparc/t-sol2: Likewise, but move shlib stuff...
4284 * config/sparc/t-slibgcc-sld: ...here.
4285 * config/sparc/t-slibgcc: New file.
4287 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4289 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
4290 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
4292 (intmax_type_node, uintmax_type_node): Define.
4293 * c-common.c (decl_attributes): If pedantic, warn if `mode'
4294 attributes create a type wider than intmax_t.
4295 (T_IM, T_UIM): Define properly.
4296 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
4298 (init_decl_processing): Initialize intmax_type_node and
4300 * c-lex.c (lex_number): When pedantic and warning for integer
4301 constants that are too large, in C99 mode warn for those that have
4302 a type wider than long long.
4304 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4306 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
4307 FMT_FLAG_FANCY_PERCENT_OK): Define.
4308 (format_char_info): Add flag "4" to comment.
4309 (format_flag_spec, format_flag_pair): New structures.
4310 (format_kind_info): Add additional fields to control format
4312 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
4313 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
4315 (time_char_table): Use "4" flag to handle %Ey.
4316 (format_types): Add entries for new fields.
4317 (get_flag_spec): New function.
4318 (check_format_info): Increase size of flag_chars[] to 256.
4319 Control format checking using the new fields of a format_kind_info
4320 and the new tables; remove all conditionals on printf_format_type,
4321 scanf_format_type or strftime_format_type. Handle all details of
4322 bad combinations of flags (including width, precision and strftime
4323 modifiers) through data rather than ad hoc code. Handle all
4324 details of standard versions in which flags appeared through
4325 data. Use the "4" flag.
4327 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
4329 * config/h8300/h8300.md: Remove the memory alternative and correct
4330 the insn lengths in the templates for sign extention and zero
4333 2000-10-07 Richard Henderson <rth@cygnus.com>
4335 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
4336 * flow.c (make_edges): Revert last change.
4338 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
4340 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
4342 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
4344 * config/alpha/elf.h: Standardize the formatting.
4346 2000-10-06 David O'Brien <obrien@FreeBSD.org>
4348 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
4351 2000-10-06 Richard Henderson <rth@cygnus.com>
4353 * function.c (diddle_return_value): Examine
4354 current_function_return_rtx instead of the DECL_RESULT.
4355 (expand_function_end): Handle reloading DECL_RESULT from memory
4356 into a hard register. Query promote_mode for sign of mismatched
4359 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4361 * haifa-sched.c (schedule_insns): Fix typo in freeing
4362 forward_dependency_cache.
4364 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4366 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
4367 `TARGET_SH2' as a condition.
4369 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4371 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
4372 forward_dependency_cache): New variables.
4373 (add_dependence, remove_dependence): Use anti_dependency_cache and
4374 output_dependency_cache.
4375 (compute_block_forward_dependences): Use forward_dependency_cache.
4376 (schedule_insns): Allocate and free memory for anti/output/forward
4377 dependencies caches.
4379 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4381 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
4382 `! TARGET_SH1'. Reindent.
4384 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4386 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
4387 Move functions from here ...
4389 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
4391 (c_expand_builtin): New function.
4392 (init_function_format_info): Don't set `check_function_format_ptr'.
4393 (c_common_nodes_and_builtins): Set built_in_class type for
4394 printf/__builtin_printf to BUILT_IN_FRONTEND.
4395 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
4397 * c-common.h (build_function_call): Declare.
4399 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
4400 to `lang_expand_expr' rather than `expand_builtin'.
4402 * tree.c (check_function_format_ptr): Delete.
4404 * tree.h (check_function_format_ptr): Likewise.
4406 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
4408 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
4409 DW_OP_bregx when cfa->reg > 31.
4411 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
4414 2000-10-05 Richard Henderson <rth@cygnus.com>
4416 * c-decl.c (warn_missing_noreturn): Remove.
4417 (c_expand_body): Don't set or check can_reach_end.
4418 * c-tree.h (warn_missing_noreturn): Move ...
4419 * flags.h: ... here.
4420 (can_reach_end): Remove.
4421 * flow.c (check_function_return_warnings): New.
4422 (make_edges): No edge to exit for noreturn sibcalls.
4423 * function.c (expand_function_end): Save the return value
4424 clobber instruction.
4425 (mark_function_status): Mark it.
4426 * function.h (struct function): Add x_clobber_return_insn.
4427 * jump.c (can_reach_end): Remove.
4428 (calculate_can_reach_end): Remove.
4429 (jump_optimize_1): Don't call it.
4430 * output.h (check_function_return_warnings): Declare.
4431 * toplev.c (warn_missing_noreturn): Move from c-decl.c
4432 (rest_of_compilation): Call check_function_return_warnings.
4434 2000-10-05 Richard Henderson <rth@cygnus.com>
4436 * Makefile.in (NM_FOR_TARGET): New.
4437 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
4438 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
4439 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
4440 shared library build on that and EXTRA_MULTILIB_PARTS.
4441 * mkmap-flat.awk: New file.
4442 * mkmap-symver.awk: New file.
4443 * libgcc-std.ver: New file.
4444 * config/libgcc-glibc.ver: New file.
4445 * config/ia64/libgcc-ia64.ver: New file.
4446 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4447 (SHLIB_LINK): Add --version-script.
4448 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
4449 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4450 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4451 (SHLIB_LINK): Add -M.
4453 2000-10-05 Richard Henderson <rth@cygnus.com>
4455 * Makefile.in (LIB2FUNCS): Add _clz.
4456 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
4457 (__clz_tab): Put in its own unit, non-static.
4458 * libgcc2.h: Always include longlong.h.
4460 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
4461 a zero instead of -1.
4462 (count_trailing_zeros): Likewise.
4464 2000-10-05 Richard Henderson <rth@cygnus.com>
4466 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
4467 when second op1 is const0_rtx. Validate op0 as a register.
4468 * config/alpha/alpha.md (setcc_internal): Don't allow constants
4469 in the first argument of the compare.
4470 (setcc_swapped_internal): Likewise.
4471 (setne_internal): Likewise.
4473 2000-10-05 Geoff Keating <geoffk@cygnus.com>
4475 * tree.c (tree_size): New function split out of copy_node.
4476 (make_node): Remove obstack handling. Use tree_size.
4477 (copy_node): Use tree_size.
4478 * tree.h: Prototype tree_size.
4480 2000-10-05 Richard Henderson <rth@cygnus.com>
4482 * diagnostic.c (output_format): Add missing break.
4484 2000-10-05 Jim Wilson <wilson@cygnus.com>
4486 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
4487 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
4488 sequence insn to INSN, and delete last sequence insn.
4490 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
4492 * gcc.c (main): Include generated configargs.h header
4493 and use arguments in '-v' output.
4495 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4497 * gcc.c: Move data on prefixes forward in file and reorganize.
4498 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
4499 Always define, but make null if no value.
4500 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
4501 and "md_startfile_prefix_1".
4502 (main): Check whether md_exec_prefix and the others are the
4503 null string rather than whether the macro is defined.
4505 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4507 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
4508 from PSImode to SImode.
4510 2000-10-05 Jakub Jelinek <jakub@redhat.com>
4512 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
4513 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
4514 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
4517 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4519 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
4520 negation in proper type.a
4522 2000-10-04 Richard Henderson <rth@cygnus.com>
4524 * configure.in (enable-shared): New.
4525 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
4526 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
4527 * mklibgcc.in: Use them to link shared a libgcc.
4528 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
4529 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
4530 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
4531 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
4533 * configure.in (alpha-osf*): Use t-osf and x-osf.
4534 * config/alpha/t-osf: New file.
4535 * config/alpha/t-osf4: New file.
4536 * config/alpha/x-osf: New file.
4537 * config/alpha/x-alpha: Remove file.
4539 2000-10-04 Will Cohen <wcohen@redhat.com>
4541 * c-typeck.c (process_init_element): Added warning for zero-length
4544 * extend.texi (Zero Length): State that static initializers for
4545 zero-length arrays are not allowed.
4547 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
4549 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
4552 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4554 * config/float-c4x.h: New.
4555 * configure.in (c4x-*): Set float_format to c4x.
4556 * configure: Regenerate.
4558 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4560 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
4561 compilation for solaris versions 2.7 and greater.
4563 2000-10-02 Marc Espie <espie@openbsd.org>
4565 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
4566 instead of redefining from scratch.
4568 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
4570 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
4572 2000-10-01 Mark Mitchell <mark@codesourcery.com>
4574 * config/ns32k/genix.h: Remove.
4575 * config/ns32k/x-genix: Likewise.
4576 * config/ns32k/xm-genix.h: Likewise.
4577 * config/fx80: Remove all filee in directory.
4578 * config/pyr: Likewise.
4579 * config/tahoe: Likewise.
4580 * config/gmicro: Likewise.
4581 * config/spur: Likewise.
4582 * configure.in: Remove configury bits for above targets.
4583 * configure: Regenerated.
4585 * configure.in: Don't configure chill by default.
4586 * configure: Regenerated.
4588 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
4589 (lang_mark_false_label_stack): Remove.
4590 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
4591 <top level> string in GC area.
4592 (mark_splay_tree_node): New function.
4593 (mark_splay_tree): Likewise.
4594 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
4596 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
4597 * ggc-common.c (lang_mark_false_label_stack): Change type.
4598 * ggc.h (ggc_alloc_string): Add comment.
4599 (ggc_strdup): New function.
4601 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
4603 * config/avr/avr.h (BRANCH_COST): Define as 0.
4605 * config/pdp11/pdp11.c: #include "tree.h" added.
4607 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
4609 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
4610 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
4611 with known shift count.
4612 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
4613 New alternative for shift count 2 with no scratch register.
4614 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
4615 "set_n" for shift counts 1 and 2.
4617 2000-09-30 Geoff Keating <geoffk@cygnus.com>
4619 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
4620 the mask value from the individual SET operations.
4621 (return_internal_si): Move the USE after the RETURN.
4622 (return_internal_di): Likewise.
4623 (return_and_restore_fpregs_si): Likewise.
4624 (return_and_restore_fpregs_di): Likewise.
4625 (return_eh_si): Likewise.
4626 (return_eh_di): Likewise.
4627 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
4629 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
4630 Don't generate a PARALLEL around a single operation movsi_to_cr.
4631 Generate the RETURN first in any PARALLELs.
4633 * rtlanal.c (single_set_1): Use fatal_insn to display the
4634 invalid insn. Check for more cases when a USE or CLOBBER occurs
4636 * Makefile.in: Update dependencies for rtlanal.o.
4638 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4640 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
4642 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4644 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
4645 Consistently use @email for formatting email addresses.
4647 2000-09-29 Richard Henderson <rth@cygnus.com>
4649 * cse.c (notreg_cost): New argument outer.
4650 (COST): Pass in SET to notreg_cost
4652 (fold_rtx): Use COST_IN. Prefer constants when costs
4655 2000-09-29 David Edelsohn <edelsohn@gnu.org>
4657 * fixinc/inclhack.def (broken_cabs): Generalize regex.
4658 * fixinc/fixincl.x: Regenerate.
4660 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4662 * loop.c (check_final_value): A GIV is not replaceable if used
4665 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
4667 * version.c: Bump to gcc-2.97.
4669 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
4671 * final.c (final_scan_insn): Remove extra extract_insn call;
4672 Use caching for constrain_operands.
4673 (cleanup_subreg_operands): Use caching for extract_insn.
4674 * recog.c (constrain_operands_cached): New.
4675 * recog.h (constrain_operands_cached): Declare.
4676 * i386.c (ix86_attr_length_immediate_default,
4677 ix86_attr_length_address_default, ix86_agi_dependant): Cache
4680 * recog.c (asm_noperands): Tweak.
4681 (extract_insn): Do not call asm_noperads for non-asm instructions.
4683 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4685 * recog.c (recog_memoized): Rename to recog_memoized_1.
4686 * recog.h (recog_memoized): Rename to recog_memoized_1.
4687 (recog_memoized): New macro.
4688 * rtl.h (single_set): Rename to single_set_1
4689 (single_set): New macro.
4690 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
4693 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
4694 Do not use match_dup of input operands at outputs.
4695 Use register_operand for memory expression.
4696 (rep_movsi): Put use last, canonicalize.
4697 Use register_operand for memory expression.
4698 (rep_movqi): Put use last.
4699 Use register_operand for memory expression.
4700 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
4701 of input operands at outputs. Use register_operand for memory
4703 (rep_stossi): Put use last; canonicalize; fix match_dup in
4704 the address expression
4705 (rep_stosqi): Likewise.
4706 (memcmp expander): Update calls.
4707 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
4710 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
4712 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
4714 2000-09-28 David O'Brien <obrien@FreeBSD.org>
4716 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
4717 Contains the old contents of config/i386/freebsd.h
4718 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
4719 Contains the old contents of config/i386/freebsd-elf.h
4720 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
4721 config/i386/freebsd.h.
4722 * configure.in: Adjust for above changes.
4723 * po/POTFILES.in: Likewise.
4724 * po/en_GB.po: Likewise.
4725 * po/gcc.pot: Likewise.
4726 * configure: Rebuilt.
4728 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4730 * doloop.c (doloop_modify): Prevent delete_insn() from
4731 deleting too much. Prefer loop->top over loop->start as
4732 target for the new JUMP insn.
4733 (doloop_valid_p): Ignore loop with exit_count != 0.
4735 2000-09-28 Philipp Thomas <pthomas@suse.de>
4737 * invoke.texi (i386 Options): Add athlon to table of possible
4740 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
4742 * diagnostic.h (output_clear_message_text): New function.
4743 (output_message_text): New macro.
4745 * diagnostic.c (clear_text_info): Rename to
4746 output_clear_message_text.
4747 (output_clear): Adjust.
4748 (output_finish): Rename to output_finalize_message. Tweek.
4749 (output_to_stream): Adjust.
4751 2000-09-28 Neil Booth <neilb@earthling.net>
4753 * cpperror.c (_cpp_begin_message): Do the test for suppression
4754 of warnings and pedantic warnings before the "is a warning an
4756 * cppinit.c (cpp_handle_option): Remove surplus \n.
4757 * cpplex.c (ON_REST_ARG): Delete.
4758 (skip_block_comment): Initialise prevc.
4759 (parse_args): Improve error messages.
4760 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
4762 * cpplib.c (cpp_push_buffer): Fix grammar in message.
4763 * cppmain.c (main): Set callbacks for #ident and #pragma
4764 only if no_output option is false.
4765 (do_pragma_implementation): Only call the #pragma handler
4766 if it is set in the cpp_reader structure.
4768 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
4770 * integrate.c (copy_insn_list): if an ignored return value
4771 is being clobbered, skip cloning that into the inline copy.
4773 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
4775 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
4776 use @uref for formatting URLs.
4778 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
4780 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
4783 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
4785 * gcc.c (cpp_options): Add spec for -ftabstop=.
4786 (invoke_as): New spec that handles invoking as.
4787 Update specs to handle -save-temps and -traditional.
4788 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
4790 * cp/lang-specs.h, objc/lang-specs.h: Update to use
4791 invoke_as, and handle -save-temps and -traditional (if
4794 2000-09-26 Jakub Jelinek <jakub@redhat.com>
4796 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
4798 (function_arg_slotno): Accept TImode/CTImode.
4799 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
4802 2000-09-26 Michael Hayes <mhayes@cygnus.com>
4804 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
4807 2000-09-25 Jim Wilson <wilson@cygnus.com>
4809 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
4810 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
4811 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
4812 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
4814 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4816 * cpplex.c (parse_args): Don't set VOID_REST flag.
4817 (CONTEXT_VARARGS): New flag.
4818 (maybe_paste_with_next): Set context earlier in loop. Use
4819 it. Do varargs test with CONTEXT_VARARGS flag.
4820 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4821 pushing an argument context for a varargs argument.
4822 * cpplib.h (VOID_REST): Delete.
4823 * gcc.dg/cpp/vararg1.c: Add test case.
4825 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4827 * flags.h: Declare warning flag warn_system_headers.
4828 * toplev.c: Define it.
4829 (W_options): Add option -Wsystem-headers.
4830 * diagnostic.c (count_error): Test warn_system_headers.
4831 * invoke.texi: Add description for -Wsystem-headers.
4832 * cpplib.h (cpp_options): New member warn_system_headers.
4833 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4834 CPP_IN_SYSTEM_HEADER.
4835 * cpplib.c (do_import, do_pragma_once): Likewise.
4836 * cpperror.c (_cpp_begin_message): Test warn_system_headers
4837 and CPP_IN_SYSTEM_HEADER.
4838 * cppinit.c (handle_option): Recognize -Wsystem_headers.
4839 (print_help): Describe -Wsystem_headers.
4840 * cpplex.c (lex_line): Reorganize condition so that warnings
4841 about C++ comments in system headers can be enabled. Remove
4842 label do_line_comment.
4844 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
4846 * cpplex.c (save_comment): Only store the initial '/'
4848 (lex_token): Combine handling of the two comment types.
4849 Pass everything but the initial '/' to save_comment.
4851 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
4853 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
4854 _cpp_can_paste): New library-internal prototypes.
4855 * cpplex.c (dump_param_spelling, output_line_command,
4856 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
4857 cpp_printf, cpp_output_list): Move to cppoutput.c.
4858 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
4859 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
4861 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
4862 dump_param_spelling, output_line_command, cpp_scan_buffer,
4863 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
4865 * Makefile.in: Add cppoutput.c.
4866 * po/POTFILES.in: Add cppoutput.c.
4868 2000-09-25 Richard Henderson <rth@cygnus.com>
4870 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
4871 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
4872 split until after reload.
4873 (rotlsi3, rotldi3): New.
4875 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
4877 * diagnostic.c (output_last_position): Define.
4878 (set_real_maximum_length): Tweek.
4879 * diagnostic.h (output_last_position): Declare.
4881 2000-09-25 Kazu Hirata <kazu@hxi.com>
4883 * config/i386/i386.c: Fix formatting.
4885 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
4887 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
4888 UNITS_PER_WORD is small.
4890 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
4892 * c-common.c (format_char_info): Add flags2; update comments.
4893 (print_char_table, scan_char_table, time_char_table): Split some
4894 flags out into flags2.
4895 (check_format_info): Use flags2 for those flags, for identifying
4896 the initial character of a scanf scanset, and for identifying
4897 printf formats where the '0' flag is ignored with precision.
4899 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
4901 Changes below marked "here" add TABs on either or both sides,
4902 covering start of line, up to any operand for all noted .*ASM.*_OP
4903 definitions. All callers changed.
4904 * tm.texi: Make documented *_ASM.*_OP:s include spacing
4905 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
4906 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4907 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4908 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
4909 Fix typos in description for LONG_LONG_TYPE_SIZE and
4910 FINI_SECTION_ASM_OP.
4911 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
4912 why these defaults don't have leading spacing.
4913 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
4914 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4915 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
4916 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
4917 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
4918 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
4919 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
4920 * varasm.c (ASM_STABS_OP): Here.
4921 * xcoffout.h (ASM_STABS_OP): Here.
4922 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4923 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4924 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
4925 STRING_ASM_OP): Here.
4926 * config/freebsd.h (IDENT_ASM_OP): Here.
4927 * config/linux-aout.h (SET_ASM_OP): Here.
4928 * config/linux.h (SET_ASM_OP): Here.
4929 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4931 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4932 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
4933 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4934 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4936 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4937 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4938 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
4939 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4940 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
4941 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4942 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
4943 * config/a29k/udi.h (INT_ASM_OP): Here.
4944 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
4945 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4947 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
4948 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4949 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4950 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
4951 ASM_STABD_OP): Here.
4952 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
4953 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
4954 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4955 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
4956 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
4957 SIZE_ASM_OP, STRING_ASM_OP): Here.
4958 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
4959 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
4960 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
4961 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
4962 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
4963 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
4965 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4966 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
4967 * config/arm/coff.h (INT_ASM_OP): Here.
4968 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4969 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
4970 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
4971 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
4972 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4973 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4974 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
4975 STRING_ASM_OP): Here. Update documentation copy in comments.
4976 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
4977 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
4978 DATA_SECTION_ASM_OP): Here.
4979 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
4981 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
4982 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4983 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4984 BSS_SECTION_ASM_OP): Here.
4985 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4986 BSS_SECTION_ASM_OP): Here.
4987 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4989 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
4990 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4991 * config/h8300/h8300.h (ASM_WORD_OP): Here.
4992 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4993 BSS_SECTION_ASM_OP): Here.
4994 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
4995 * config/i386/bsd.h (ASM_BYTE_OP): Here.
4996 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
4997 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
4998 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
5000 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
5001 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
5003 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
5004 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5005 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
5006 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
5008 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
5009 * config/i386/netbsd.h (INT_ASM_OP): Here.
5010 * config/i386/openbsd.h (INT_ASM_OP): Here.
5011 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
5012 IDENT_ASM_OP): Here.
5013 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
5014 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
5015 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
5016 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
5017 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
5018 SHARED_BSS_SECTION_ASM_OP): Here.
5019 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
5020 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5021 DATA_SECTION_ASM_OP): Here.
5022 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5023 CONST_SECTION_ASM_OP): Here.
5024 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
5025 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5026 BSS_SECTION_ASM_OP): Here.
5027 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
5028 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
5029 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
5030 BSS_ASM_OP): Here, but use trailing spaces.
5031 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5032 DATA_SECTION_ASM_OP): Here.
5033 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
5035 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
5036 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
5037 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5038 TDESC_SECTION_ASM_OP): Here.
5039 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
5040 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5041 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5043 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5044 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5045 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5046 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5047 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
5048 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
5049 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5050 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
5051 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
5052 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
5053 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5054 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5056 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5057 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5058 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
5059 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
5060 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
5061 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
5062 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
5063 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5064 GLOBAL_ASM_OP): Here.
5065 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
5066 BSS_SECTION_ASM_OP): Here.
5067 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
5068 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5069 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
5070 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
5072 * config/m68k/newsgas.h (SET_ASM_OP): Here.
5073 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
5074 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5075 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5076 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5077 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
5078 but use trailing spaces.
5079 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
5080 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
5081 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
5083 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5084 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5085 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5086 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5087 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5088 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
5089 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
5090 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
5091 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
5092 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
5093 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5094 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
5096 * config/m88k/openbsd.h (SET_ASM_OP): Here.
5097 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5098 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5099 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
5100 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
5101 DTORS_SECTION_ASM_OP): Here.
5102 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
5103 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5104 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
5105 BSS_SECTION_ASM_OP): Here.
5106 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
5107 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
5108 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
5109 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
5110 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
5111 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5112 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
5113 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
5115 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
5117 * config/mips/osfrose.h (SET_ASM_OP): Here.
5118 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
5119 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
5120 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
5121 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5123 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
5124 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
5125 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
5126 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
5127 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
5128 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5130 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5132 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
5133 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
5134 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
5136 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
5137 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
5138 * config/sparc/linux.h (COMMON_ASM_OP): Here.
5139 * config/sparc/linux64.h (COMMON_ASM_OP,
5140 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5141 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
5142 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5143 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
5144 * config/sparc/pbd.h (ASM_INT_OP): Here.
5145 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
5146 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5147 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
5148 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
5149 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
5150 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
5151 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
5152 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
5153 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
5154 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5155 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5156 EH_FRAME_SECTION_ASM_OP): Here.
5157 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
5158 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5160 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5162 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
5163 TCOMMON_ASM_OP): Here.
5164 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5166 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5169 2000-09-25 Richard Henderson <rth@cygnus.com>
5171 * expmed.c (store_bit_field): Adjust last change to not consider
5172 any word-sized field naturally aligned.
5174 2000-09-24 Richard Henderson <rth@cygnus.com>
5176 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
5177 TFmode unordered compares properly. Revalidate integer compare
5179 (alpha_emit_setcc): New.
5180 (alpha_emit_conditional_move): Revalidate integer compare operands.
5181 * config/alpha/alpha-protos.h: Update.
5182 * config/alpha/alpha.md (cmpdi): Allow general operands.
5183 (sne): Use alpha_emit_setcc.
5184 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
5185 (sunordered, sordered): New.
5187 2000-09-24 Richard Henderson <rth@cygnus.com>
5189 * config/ia64/ia64-protos.h: Update.
5190 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
5191 (ia64_expand_call): New.
5192 (ia64_expand_prologue): Emit an alloc if we need extra input
5194 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
5195 instruction if true.
5196 (struct reg_flags): Add is_sibcall.
5197 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
5198 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
5199 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
5200 * config/ia64/ia64.h (PREDICATE_CODES): Update.
5201 * config/ia64/ia64.md (call): Use ia64_expand_call.
5202 (call_value): Likewise.
5203 (sibcall, sibcall_value): New.
5204 (call patterns): Remove extra expanders; tidy.
5205 (sibcall_epilogue): New.
5206 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
5208 2000-09-24 Richard Henderson <rth@cygnus.com>
5210 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
5212 * sibcall.c (skip_pic_restore): New.
5213 (identify_call_return_value): Use it.
5215 2000-09-24 Mark Mitchell <mark@codesourcery.com>
5217 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
5218 functions. Generalize to handle both C and C++.
5219 * Makefile.in (c-tree.info): New target.
5220 (info): Add c-tree.info.
5222 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5224 * expr.c (store_field): If BITSIZE is negative, use size of type.
5225 (expand_expr, case COMPONENT_EXPR): Likewise.
5227 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
5229 * cpplex.c: Update TODO comment.
5230 * cpplib.c (do_error, do_warning): Merge common code of
5231 do_error and do_warning into do_diagnostic. Use it.
5232 (do_diagnostic): New function.
5233 * cpplib.h: Fix comment typo.
5235 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5237 * c-common.c (check_format_info): Warn for a wide character string
5238 used as a non-wide format argument.
5240 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5242 * builtins.def (BUILT_IN_LLABS): Add.
5243 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
5244 * c-common.c (c_common_nodes_builtins): Create builtin functions
5245 __builtin_llabs, and plain llabs unless no_nonansi_builtins
5246 outside of C99 mode.
5247 (expand_tree_builtin): Handle BUILT_IN_LLABS.
5249 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
5251 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
5252 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
5253 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
5254 _cpp_free_toklist): No need to worry about extra dummy token
5255 at the start of token lists any more.
5256 (trigraph_ok): Only warn outside comments.
5257 (skip_block_comment): Set and clear lexing_comment.
5258 (skip_line_comment): Take a cpp_reader not cpp_buffer.
5259 Set and clear lexing_comment.
5260 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
5261 (check_long_token): Delete.
5262 (lex_percent, lex_dot): New subroutines of lex_token to
5263 handle lexing of '.' and '%' without lookback.
5264 (lex_token): Use lex_dot and lex_percent.
5265 (lex_line): Don't check for LIST_OFFSET.
5266 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
5267 * cpplib.c (_cpp_parse_assertion): Similarly.
5268 (cpp_push_buffer): Initialize extra_char.
5269 * cpplib.h (LIST_OFFSET): Delete.
5270 (struct cpp_buffer): New member extra_char.
5271 (struct lexer_state): New members lexing_comment and seen_dot.
5273 2000-09-23 Jason Merrill <jason@redhat.com>
5275 * config/rs6000/x-aix41 (CLIB): Define here.
5276 * config/rs6000/t-aix43: Not here.
5277 * config/rs6000/t-aix41: Or here. Remove.
5278 * configure.in: Don't use it.
5280 2000-09-22 Jason Merrill <jason@redhat.com>
5282 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
5283 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
5284 * config.in: Regenerate.
5286 * configure.in: Fix checks for assembler features when using a
5287 one-tree assembler that has not yet been built.
5288 Fix --disable-threads.
5290 2000-09-19 Geoff Keating <geoffk@cygnus.com>
5292 * stmt.c (expand_asm_operands): Allow # in constraints.
5294 2000-09-22 Jason Merrill <jason@redhat.com>
5296 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
5298 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
5299 function-local names.
5301 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
5302 Mark Mitchell <mark@codesourcery.com>
5304 * toplev.c (warn_disabled_optimization): Declare new warning flag.
5305 * flags.h (warn_disabled_optimization): Add it here.
5306 * gcse.c (gcse_main): Add warning when disabled.
5307 * invoke.texi: Document -Wdisabled-optimization.
5309 2000-09-21 Jason Merrill <jason@redhat.com>
5311 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
5313 * dwarf2out.c (tree_add_const_value_attribute): New fn.
5314 (gen_variable_die): Call it for non-definitions.
5316 * dwarf2out.c (die_struct): Add die_mark field.
5317 (mark_dies, unmark_dies): New fns.
5318 (clear_die_sizes): Remove.
5319 (print_die): Check die_symbol rather than die_offset.
5320 (build_abbrev_table, output_pubnames, output_aranges): Check
5321 die_mark rather than die_offset.
5322 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
5325 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
5327 * cppfiles.c (lookup_include_file): Rename to open_file.
5328 Always create a splay tree value, even on syscall failures.
5329 Negative entries indicated by fd == -2.
5330 Re-open files closed in the meantime.
5331 (_cpp_fake_include): Create a negative splay tree entry.
5332 (find_include_file, cpp_read_file): Update for function name
5334 * gcc.gd/cpp/mi4.c: Testcase.
5336 2000-09-21 Nick Clifton <nickc@redhat.com>
5338 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
5339 ARM and THUMB modes.
5341 * config/mcore/mcore.c: Fix compile time warnings.
5342 * config/mcore/mcore-protos.h: Fix compile time warnings.
5344 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5346 * configure.in: Correct test of gcc_cv_glibc.
5347 * configure: Rebuilt.
5348 * config.in: Rebuilt.
5350 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5352 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
5353 (expand_builtin): Handle BUILT_IN_FWRITE.
5355 * builtins.def (BUILT_IN_FWRITE): New entry.
5357 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
5359 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5361 * gcc.c (modify_target): New variable and struct.
5362 (process_command): Handle MODIFY_TARGET_NAME.
5363 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
5364 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
5366 * c-decl.c (finish_decl): Add else's to avoid referencing
5367 TYPE_DOMAIN of an ERROR_MARK.
5369 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
5371 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
5374 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
5376 * config/avr/avr.md (neghi2): Add alternative for input and output
5377 operands in different registers, as in negsi2.
5378 (*negsi2): Remove '*' from the name. Use "movw" if available.
5380 2000-09-19 Jim Wilson <wilson@cygnus.com>
5382 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
5383 HAVE_GAS_HIDDEN macro.
5385 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
5387 * cpplex.c (lex_line): Drop the EOF token for unknown
5388 directives in assembler.
5390 2000-09-19 David Edelsohn <edelsohn@gnu.org>
5392 * configure.in: Allow enable_threads_flag value of "aix". Define
5393 thread_file as "aix" for AIX 4.3 and above.
5394 * configure: Regenerated.
5396 * gthr-aix.h: New file.
5398 * rs6000/t-aix43: Replace soft-float multilib with pthread.
5399 Remove 403 processor multilib match. Fix rios2 processor multilib
5402 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
5403 to return to appropriate csect.
5405 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5407 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
5409 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
5410 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
5413 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
5416 * c-common.c (init_function_format_info): Handle __builtin_printf.
5417 Set `check_function_format_ptr'.
5418 (c_common_nodes_and_builtins): Set `puts_ftype' and
5419 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
5420 __builtin_printf and printf.
5422 * tree.c, tree.h (check_function_format_ptr): Declare.
5424 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
5426 * cppfiles.c (read_include_file): Take no special action for
5429 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
5431 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
5432 rather than that of branch.
5433 (shorten_branches): Don't increment insn_current_address twice.
5435 Undo most of the Wed Jan 27 23:39:53 1999 patch:
5436 * loop.h (struct induction): Delete members derived, ix and last_use.
5437 (struct loop_ivs): Delete members first_increment_giv and
5439 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
5440 recombine_givs): Delete functions.
5441 (find_and_verify_loops): Don't initialize cont_dominator.
5442 (strength_reduce): Lose code to try to find bivs that can be
5443 expressed as givs of another biv, and to convert biv increments
5445 Lose loop_scan_start variable, always use loop->scan_start.
5446 Don't call recombine_givs. Don't handle derived givs.
5447 (record_giv): Don't initialize derived and last_use fields.
5448 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
5450 * unroll.c (derived_regs): Delete static variable.
5451 (unroll_loop): Don't initialize it.
5452 (copy_loop_body): Lose code to handle derived givs.
5453 (find_splittable_givs): Don't check for givs made from biv
5455 Don't set derived_regs.
5457 Fix misapplied earlier patch:
5458 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
5460 (floatsisf2): Generate floatsisf_ie by default.
5461 (floatsisf_i4): Conditional on TARGET_SH4.
5463 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
5464 predicate for the expanders.
5466 2000-09-19 Richard Henderson <rth@cygnus.com>
5468 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
5469 in addition to pentium and pentiumpro symbols.
5470 (CPP_CPU_DEFAULT_SPEC): Likewise.
5472 * c-typeck.c (c_expand_asm_operands): Restore the output tree
5475 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
5476 if the tree has side effects.
5477 (warn_if_unused_value): Do not warn about void constructs.
5479 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
5481 * unroll.c (copy_loop_body): Update LABEL_NUSES before
5482 calling invert_jump.
5484 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5486 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
5489 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5491 * Makefile.in (c-common.o): Depend on diagnostic.h.
5493 * c-common.c: Include diagnostic.h.
5495 (status_warning): New function.
5496 (check_format_info, maybe_read_dollar_number, check_format_types,
5497 finish_dollar_format_checking, check_function_format): Accept a
5498 `status' parameter. All callers changed.
5500 * c-common.h (check_function_format): Accept a `status' parameter.
5502 * c-typeck.c: Update call to `check_function_format'.
5504 2000-09-18 Richard Henderson <rth@cygnus.com>
5506 * c-decl.c (c_expand_body): Call mark_varargs before
5507 expand_function_start.
5509 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5511 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
5512 * config/rs6000/eabi-ci.asm: Likewise.
5514 2000-09-18 Richard Henderson <rth@cygnus.com>
5516 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
5519 2000-09-18 Jim Wilson <wilson@cygnus.com>
5521 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
5522 before passing it to fold_rtx_mult_add.
5524 * unroll.c (final_giv_value): Pass increment through
5525 extend_value_for_giv before passing it to emit_iv_add_mult.
5527 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
5528 paradoxical subreg, then directly substitute the replacement and
5531 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
5533 * cpp.texi: Update documentation, including some clarifications,
5534 the treatment of various newline combinations, and space between
5535 backslash and newline.
5537 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5539 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
5540 Replace ASM_OUTPUT_LABELREF with assemble_name.
5542 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5544 * sh.c (addsubcosts): CONST is not cheap.
5545 (find_barrier): For Sh1, take alignment after jumps into account.
5547 2000-09-15 Andrew Haley <aph@redhat.com>
5549 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
5550 remove all SETs of SUBREGs of hard registers.
5551 * function.c (purge_hard_subreg_sets): New function.
5552 (purge_single_hard_subreg_set): New function.
5553 * rtl.h: (purge_hard_subreg_sets): New function.
5555 2000-09-18 Richard Henderson <rth@cygnus.com>
5557 * config/ia64/ia64-protos.h: Update.
5558 * config/ia64/ia64.c (signed_inequality_operator): New.
5559 (ia64_expand_compare): New.
5560 (ia64_register_move_cost): Handle PR_REGS moves.
5561 (ia64_secondary_reload_class): Require a GR when moving to a PR.
5562 (struct reg_write_state): Add written_by_and/or.
5563 (struct reg_flags): Add is_and/or.
5564 (rws_update): Set them.
5565 (rws_access_regno): Test them to allow parallel comparisons.
5566 (rtx_needs_barrier): Recognize parallel comparisons.
5567 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
5568 Call recog_memoized; ignore pred_rel_mutex.
5569 (emit_predicate_relation_info): Don't call find_basic_blocks here.
5570 (ia64_reorg): Do it here instead.
5571 * config/ia64/ia64.h: s/CCmode/BImode/g
5572 (MODES_TIEABLE_P): Don't tie BImode.
5573 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
5574 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
5575 (RTX_COSTS): Make multiply 4 insns.
5576 (MEMORY_MOVE_COST): New.
5577 (PREDICATE_CODES): Update.
5578 * config/ia64/ia64.md: s/CCmode/BImode/g
5579 (movcci, movbi): New.
5580 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
5581 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
5582 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
5583 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
5584 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
5585 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
5586 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
5587 (mulsi, muldi): Use xmpy not xma.
5589 (movcc, movcc_internal): Remove.
5590 (branch expanders): Use ia64_expand_compare.
5591 (setcc expanders): Likewise.
5592 (cmov insns): Use move_operand and ia64_move_ok.
5593 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
5594 scheduler from moving it past a use.
5595 * config/ia64/build.hacks: Remove.
5597 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
5599 * cpphash.h (HASHSTEP): Take character rather than pointer
5601 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
5603 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
5605 * cpplex.c (auto_expand_name_space, trigraph_replace,
5606 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
5607 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
5608 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
5609 KNOWN_DIRECTIVE): Delete.
5611 (handle_newline, check_long_token, skip_escaped_newlines,
5612 unterminated): New functions.
5613 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
5615 (parse_identifier): Was parse_name, new implementation.
5616 (skip_line_comment, skip_block_comment, skip_whitespace,
5617 parse_number, parse_string, trigraph_ok, save_comment,
5618 adjust_column, _cpp_get_line): New implementations.
5620 (lex_token): New function. Lexes a token at a time, looking
5621 forwards. Contains most of the guts of the old lex_line.
5622 (lex_line): New implementation, using lex_token to obtain
5624 (cpp_scan_buffer): Use the token's line, not the list's line.
5626 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
5627 New implementations.
5628 (do_assert): Don't bother setting the answer's list's line.
5629 (cpp_push_buffer): Initialise new pfile and read_ahead members
5630 of struct cpp_buffer.
5632 * cpplib.h (cppchar_t): New typedef.
5633 (struct cpp_buffer): read_ahead, pfile and col_adjust are
5635 (struct lexer_state): New structure that determines the state
5636 and behaviour of the lexer.
5637 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
5638 (struct cpp_reader): New member "state". Rename
5639 multiline_string_line and multiline_string_column. Delete
5640 col_adjust, in_lex_line members.
5641 (CPP_BUF_COLUMN): Update.
5643 2000-09-18 Richard Henderson <rth@cygnus.com>
5645 * combine.c (simplify_comparison): Shift a NOT out of a single
5648 * combine.c (if_then_else_cond): Canonicalize BImode true to
5650 * explow.c (trunc_int_for_mode): Likewise.
5652 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
5653 the NOT for De Morgan's rule.
5654 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
5655 of a comparison to the reverse comparison.
5657 * combine.c (try_combine): Allow split to create a single insn.
5659 * machmode.def: Add BImode. Add a column for bitsize.
5660 * machmode.h (DEF_MACHMODE): Adjust for extra column.
5661 (GET_MODE_BITSIZE): Use it.
5662 * rtl.c (DEF_MACHMODE): Adjust for extra column.
5663 (mode_bitsize): New.
5664 (mode_mask_array): Use bitsize.
5665 * combine.c (combine_simplify_rtx): Require inner and outer
5666 modes to match on nonzero_bits optimizations.
5668 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5670 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
5671 its entry in spill_reg_store.
5672 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
5673 * sh.c (reg_no_subreg_operand): New function.
5674 * sh-protos.h (reg_no_subreg_operand): Declare it.
5675 * sh.h (PREDICATE_CODES): Add it.
5676 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
5677 input operand that needs to be in fpul.
5678 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
5679 * sh.c (find_barrier): Take into account that machine_dependent_reorg
5680 might add new insns.
5682 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
5684 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
5686 (sh_expand_epilogue): Take the PIC register into account when
5687 computing the frame size.
5689 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
5690 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
5691 LABEL_REFs with a PIC-safe unspec.
5693 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5695 * c-common.c (check_format_info): Properly save the argument
5696 number and parameter for $ operand number formats in case width
5697 and precision arguments are also used. Allow printf width and
5698 precision arguments to have operand numbers even if none was
5699 specified for the main format, since this is OK for %*.*m. Only
5700 object to missing $ operand number if the format used requires an
5703 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5705 * c-common.c (format_char_info): Add 'W' flag to comment.
5706 (print_char_table, scan_char_table): Use it.
5707 (check_format_info): Use the 'W' flag to determine whether a
5708 format argument is written into.
5710 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5712 * c-common.c (check_format_types): Reorganise and clean up,
5713 checking earlier for ERROR_MARKs and making cur_type into its
5714 TYPE_MAIN_VARIANT where convenient.
5716 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5718 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
5720 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5722 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
5724 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
5725 * i386.c (struct builtin_description): New.
5726 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
5727 (mmx_reg_operand): Declare MODE arg as unused.
5728 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
5729 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
5730 ix86_expand_binop_builtin, ix86_expand_store_builtin,
5731 ix86_init_builtins, ix86_expand_builtin): New functions.
5732 * i386.h (ix86_builtins): New enumeration.
5733 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
5734 * i386.md (attr length_immediate): 0 for mmx/sse types.
5735 (attr prefix_0f): 1 for mmx/sse types.
5736 (setcc_2): Remove "*" so we get gen_setcc_2.
5737 (emms): Account for changed register numbering. Set "memory" attr
5739 (sfence): Set "memory" attr to unknown.
5741 2000-09-18 Andreas Jaeger <aj@suse.de>
5743 * configure.in: Define _GNU_SOURCE only when using the GNU C
5745 * configure: Regenerated.
5746 * config.in: Regenerated.
5748 2000-09-17 Mark Mitchell <mark@codesourcery.com>
5750 * cppinit.c (cpp_init): Don't use ANSI prototypes.
5751 * flow.c (flow_dump_loop): Likewise.
5752 (flow_loops_dump): Likewise.
5754 * c-typeck.c (c_start_case): Fix typo.
5756 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5758 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
5759 to int for plain complex which defaults to complex double. Do
5760 warn about defaulting to complex double if pedantic. Warn about
5761 complex integer types if pedantic. Warn about complex types if
5762 pedantic and not in C99 mode.
5763 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
5764 for complex conjugation.
5766 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5768 * contrib.texi: Update my entry.
5770 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
5772 * config/avr/avr.md (mcu_enhanced): New attribute.
5773 (mcu_mega): Likewise.
5774 (extendhisi2): Use mcu_enhanced.
5775 (zero_extendhisi2): Likewise.
5776 (call_insn): Use mcu_enhanced and mcu_mega.
5777 (call_value_insn): Likewise.
5778 (*sbrx_branch): Use mcu_mega.
5779 (*sbrx_and_branchsi): Likewise.
5780 (*sbrx_and_branchhi): Likewise.
5781 (*tablejump_lib): Likewise.
5783 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5785 * alias.c (true_dependence): Allow non-unchanging read to conflict
5786 with unchanging write.
5788 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
5789 (store_constructor): Pass alias_set to it.
5791 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
5792 TYPE_MAIN_VARIANT of ERROR_MARK.
5793 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
5795 * simplify-rtx.c (simplify_unary_operation): Add cases
5796 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
5798 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
5800 * expr.h (emit_library_call, emit_library_call_value): Delete
5802 * rtl.h (enum libcall_type): New.
5803 (emit_library_call, emit_library_call_value): Change fn_type arg to
5804 be of type enum libcall_type.
5805 * calls.c: Likewise for the function definitions. Several callers
5806 throughout changed to use the new enumeration appropriately.
5807 (emit_library_call_value_1): Likewise. Put back code to make libcall
5808 blocks of equal form, but only use it for the two new higher
5811 2000-09-16 Mark Mitchell <mark@codesourcery.com>
5813 Convert the C front-end to use function-at-a-time mode.
5814 * c-common.h: Include splay-tree.h.
5815 (C_DECLARED_LABEL_FLAG): New macro.
5816 (struct language_function): Add x_scope_stmt_stack and
5817 x_function_name_declared_p.
5818 (RECHAIN_STMTS): Move definition.
5819 (lang_statment_code_p): Likewise.
5820 (lang_expand_stmt): Likewise.
5821 (lang_expand_decl_stmt): New variable.
5822 (lang_expand_function_end): Likewise.
5823 (current_scope_stmt_stack): New function.
5824 (add_decl_stmt): Likewise.
5825 (add_scope_stmt): Likewise.
5826 (mark_stmt_tree): Likewise.
5827 (struct c_lang_decl): New structure.
5828 (DECL_SAVED_TREE): Define.
5829 (c_mark_lang_decl): New function.
5830 (c_expand_start_cond): Change prototype.
5831 (c_finish_then): New function.
5832 (c_finish_else): Likewise.
5833 (current_function_name_declared): Remove.
5834 (set_current_function_name_declared): Likewise.
5835 (mark_c_language_function): Declare.
5836 (case_compare): Likewise.
5837 (c_add_case_label): Likewise.
5838 (c_expand_expr): Likewise.
5839 (c_safe_from_p): Likewise.
5840 * c-common.c (lang_expand_function_end): New variable.
5841 (struct if_elt): Add if_stmt.
5842 (c_expand_start_cond): Add the if-statement to the statement-tree,
5843 rather than generating RTL.
5844 (c_finish_then): New function.
5845 (c_expand_start_else): Don't generate RTL.
5846 (c_finish_else): New function.
5847 (c_expand_expr_stmt): Don't generate RTL.
5848 (statement_code_p): Add SCOPE_STMT.
5849 (case_compare): New function.
5850 (c_add_case_label): Likewise.
5851 (mark_stmt_tree): Likewise.
5852 (c_mark_lang_decl): Likewise.
5853 (mark_c_language_function): Likewise.
5854 (c_expand_expr): Likewise.
5855 (c_safe_from_p): Likewise.
5856 * c-decl.c (c_stmt_tree): New variable
5857 (c_scope_stmt_stack): Likewise.
5858 (c_function_name_declared_p): Likewise.
5859 (lang_expand_expr_stmt): Remove.
5860 (poplevel): Don't call output_inline_function for nested
5862 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
5864 (redeclaration_error_message): Change means of computing whether
5865 or not a function is nested.
5866 (lookup_label): Don't call label_rtx.
5867 (init_decl_processing): Add more GC roots.
5868 (start_decl): Add DECL_STMTs to the statement-tree, rather than
5869 calling rest_of_decl_compilation.
5870 (finish_decl): Don't call expand_decl.
5871 (store_parm_decls): Begin the statement-tree, but don't generate
5873 (finish_function): Tie off the statement-tree. Call c_expand_body
5875 (c_expand_body): New function.
5876 (push_c_function_context): Save more information.
5877 (pop_c_function_contxt): Likewise.
5878 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
5879 (lang_mark_tree): Mark it.
5880 (current_stmt_tree): Adjust.
5881 (current_scope_stmt_stack): New function.
5883 (set_current_name_declared): Likewise.
5884 (c_begin_compound_stmt): Define.
5885 (c_expand_decl_stmt): Likewise.
5886 * c-lang.c: Include rtl.h and expr.h.
5887 (lang_init): Set more language-specific hooks.
5888 * c-lex.c: Include expr.h.
5889 * c-parse.in: Changes throughout to add statements to the
5890 statement-tree, rather than generating RTL after every statement.
5891 * c-semantics.c (lang_expand_decl_stmt): Define.
5892 (add_decl_stmt): New function.
5893 (add_scope_stmt): Likewise.
5894 (finish_stmt_tree): Tweak.
5895 (genrtl_expr_stmt): Likewise.
5896 (genrtl_decl_stmt): Handle local labels, and call
5897 lang_expand_decl_stmt if required.
5898 (genrtl_for_stmt): Fix line-number handling.
5899 (genrtl_case_label): Handle cleanups.
5900 (genrtl_asm_stmt): Don't call combine_strings.
5901 (genrtl_compound_stmt): Simplify.
5902 (expand_stmt): Handle SCOPE_STMTs.
5903 * c-tree.h (struct lang_decl): New structure.
5904 (C_DECLARED_LABEL_FLAG): Remove.
5905 (c_begin_compound_stmt): Declare.
5906 (c_expand_decl_stmt): Likewise.
5907 (c_expand_start_case): Rename to c_start_case.
5908 (c_finish_case): New function.
5909 * c-typeck.c (start_init): Tweak setting of
5910 constructor_incremental.
5911 (c_expand_asm_operands): Tweak error-handling. Add to the
5913 (c_expand_return): Add to the statement-tree.
5914 (c_expand_start_case): Rename to ...
5915 (c_start_case): ... this.
5916 (struct c_switch): New type.
5917 (switch_stack): New variable.
5918 (do_case): Simplify.
5919 (c_finish_case): New function.
5920 * dependence.c: Include expr.h.
5921 (enum dependence_type): Change spelling of enumerals.
5922 (check_node_dependence): Adjust.
5923 * expr.h (lang_safe_from_p): Declare.
5924 (safe_from_p): Likewise.
5925 * expr.c (lang_safe_from_p): New variable.
5926 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
5927 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
5928 * toplev.c (rest_of_decl_compilation): Robustify.
5929 * tree.c (contains_placeholder_p): Likewise.
5930 * Makefile.in: Update dependencies.
5931 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
5932 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
5933 (objc_expand_function_end): New function.
5934 (finish_method_def): Use it.
5935 (init_objc): Initialize more language-specific hooks.
5936 * objc/Make-lang.in: Update dependencies.
5938 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
5940 * configure.in: Define macros that affect features before
5941 testing for features. Don't define _XOPEN_SOURCE.
5942 * configure: Regenerated.
5943 * config.in: Regenerated.
5945 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
5947 * rtlanal.c (rtx_varies_p): Volatile asms vary.
5948 (rtx_unstable_p): Restructure code. Volatile asms
5951 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5953 * function.h (no_debugging_symbols): New field.
5954 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
5955 Initialize no_debugging_symbols.
5956 (output_inline_function): Save and restore write_symbols and set from
5957 no_debugging_symbols.
5958 * toplev.c (rest_of_compilation): Call save_for_inline.
5959 * tree.h: Update comment.
5961 * stor-layout.c (place_field): Don't do anything if field or
5962 its type are ERROR_MARK.
5964 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
5966 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
5967 (read_include_file): Ensure inc->mmaped is initialized.
5969 2000-09-16 Richard Henderson <rth@cygnus.com>
5971 * cppiles.c (purge_cache): Use PTR not caddr_t.
5973 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
5975 * gcc.c: In description for %{<S}, say the option removed is -S.
5976 * invoke.texi (Spec Files): Ditto.
5978 2000-09-16 Andreas Jaeger <aj@suse.de>
5980 * configure.in: Always define _GNU_SOURCE to make interfaces
5981 visible that were hidden by only defining _GNU_SOURCE.
5982 * configure: Regenerated.
5984 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
5986 * cpplex.c (push_macro_context): Set an argument's level after
5987 calling parse_args. We could loop infinitely otherwise.
5989 2000-09-15 Tom Tromey <tromey@cygnus.com>
5991 * configure, config.in: Rebuilt.
5992 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
5994 2000-09-15 Greg McGary <greg@mcgary.org>
5996 * cppmacro.c (check_trad_stringification): Check token
5997 text pointers against limit before dereferencing.
5999 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
6001 * c-common.c (format_wanted_type): New structure.
6002 (check_format_types): New function.
6003 (check_format_info): Pass all checking of types of format
6004 arguments, including width and precision arguments, to this new
6007 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6009 * BUGS: Remove file.
6011 2000-09-15 Jakub Jelinek <jakub@redhat.com>
6013 * config/alpha/alpha.c (override_options): ev6 cache latencies
6014 from Richard Henderson. Don't allow -mmemory-latency=L0.
6016 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
6017 (TARGET_OPTIONS): Add tune=.
6018 (alpha_tune_string): Declare.
6019 * config/alpha/alpha.c (override_options): Add cpu_table.
6020 Use alpha_cpu_string first to set both alpha_cpu and target_flags
6021 and then alpha_tune_string to set alpha_cpu only.
6022 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
6023 * config/alpha/elf.h (ASM_FILE_START): Likewise.
6024 * config/alpha/osf.h (ASM_FILE_START): Likewise.
6025 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
6027 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
6029 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
6031 (ix86_comparison_operator, ix86_cc_mode): Declare
6032 * i386.h (CCGC, CCGCO): New modes.
6033 (SELECT_CC_MODE): Move offline to ....
6034 * i386.c (ix86_cc_mode): .... here; use new modes.
6035 (ix86_comparison_operator): New.
6036 (fcmov_comparison_operator): Ensure proper mode.
6037 (put_condition_mode): More sanity checking.
6038 (ix86_match_ccmode): Handle new modes.
6039 (ix86_expand_fp_compare): GEU requires CCmode.
6040 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
6042 * i386.md (cmp?i_ccz_1): Remove
6043 (cmp?i_ccno_1): Use ix86_match_ccmode.
6044 (cmp?i_minus_1): New.
6045 (cmpsi_1): New expander.
6046 (cmpqi_ext_1): Use match_ccmode
6047 (cmpqi_ext_3): New expander.
6048 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
6049 (cmpqi_ext_4): Use match_ccmode.
6050 (add?i_?): Use match_ccmode.
6052 (test?i_ccz_1): Remove
6054 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
6055 (testqi_ext_0): Use ix86_match_ccmode.
6056 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
6057 (xorqi_cc_ext_1): New expander.
6058 (shift patterns): Use CCGOCmode for all shifts except for sar.
6059 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
6060 (setcc_3, jcc_3, miv?icc_c): Remove.
6062 2000-09-15 Will Cohen <wcohen@redhat.com>
6064 * dwarf2out.c (add_const_value_attribute): Changed array into a
6065 xmalloced object, so it exists after function exit.
6066 (free_AT): Added case for dw_val_class_float to free allocated
6069 2000-09-15 Kazu Hirata <kazu@hxi.com>
6071 * config/i386/i386.md: Fix a comment typo.
6072 * gcc.c: Fix formatting.
6074 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6076 * optabs.c (emit_libcall_block): If target is a user variable,
6077 copy to a temporary first.
6078 * expr.c (convert_move): When generating a libcall, make a libcall
6080 * calls.c (emit_library_call_value_1): Don't create a libcall
6081 sequence here; our caller will in most cases do it.
6083 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
6085 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
6086 * sh.md (reload_outsf): Generate recognizable patterns for
6088 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
6089 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
6090 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
6091 truncdfsf2_i4): Change not to use explicit references to fpul.
6092 (floatsisf2_ie): Remove USE of fpscr.
6093 (floatsisf2): Change default expansion to match this.
6094 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
6097 2000-09-15 Richard Henderson <rth@cygnus.com>
6099 * expmed.c (store_bit_field): Consider naturally aligned
6100 memory for direct reference.
6102 2000-09-15 Richard Henderson <rth@cygnus.com>
6104 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
6105 AND addresses into alias set 0.
6106 (alpha_expand_unaligned_store): Likewise.
6107 (alpha_expand_unaligned_load_words): Likewise.
6108 (alpha_expand_unaligned_store_words): Likewise.
6110 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6112 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
6113 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
6115 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
6116 rsize of UNITS_PER_WORD.
6118 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
6120 * cpplex.c (ON_REST_ARG): Correct the test.
6121 (maybe_paste_with_next): Duplicate a token that fail pasting,
6122 and clear its PASTE_LEFT flag, so that nested pasting attempts
6125 2000-09-14 Richard Henderson <rth@cygnus.com>
6127 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
6128 * cse.c (rtx_cost): Likewise.
6129 * optabls.c (expand_binop): Likewise.
6130 (expand_twoval_binop, prepare_cmp_insn): Likewise.
6131 * regclass.c (copy_cost): Likewise.
6132 * reload1.c (reload_cse_move2add): Likewise.
6134 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
6136 * c-parse.in (reswords): Add _Complex.
6138 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6140 * gcc.1: Delete documentation for -undef preprocessor option.
6142 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
6144 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6145 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
6146 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6147 Remove undefine before config/elfos.h.
6148 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
6150 2000-09-14 Kazu Hirata <kazu@hxi.com>
6152 * invoke.texi (H8/300 Options): Add -ms2600.
6153 * config/h8300.c (h8300_init_once): Output an error when -ms2600
6154 is used without -ms.
6155 * config/h8300.h (TARGET_MAC): New.
6156 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
6157 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
6158 machine other than H8/S2600.
6159 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
6162 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
6164 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
6165 pseudos that refer to the original pseudos, not only to their
6166 equivalent memory locations.
6168 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6170 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
6171 when making new MEM.
6173 * Makefile.in (LN): Remove duplicate definition.
6175 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6177 From Joern Rennecke:
6178 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
6179 on an insn and function_invariant_p returns nonzero for the source,
6180 add a REG_EQUAL note.
6182 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
6184 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
6185 conflict with frame_pointer_rtx.
6187 2000-09-13 Kazu Hirata <kazu@hxi.com>
6189 * loop.c: Fix formatting.
6192 2000-09-13 Richard Henderson <rth@cygnus.com>
6194 * config/ia64/ia64.md (divsf3): New.
6195 (divsf3_internal_lat, divsf3_internal_thr): New.
6196 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
6197 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
6198 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
6199 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
6200 (nmadddf4_alts, nmadddf4_trunc): New.
6201 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
6202 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
6203 (multf3_truncsf_alts, multf3_truncdf_alts): New.
6204 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
6205 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
6206 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
6207 (nmaddtf4_truncdf_alts): New.
6208 (recip_approx): Don't predicate.
6210 2000-09-13 Richard Henderson <rth@cygnus.com>
6212 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
6214 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6216 * flags.h (flag_dump_rtl_in_asm): Declare.
6217 * toplev.c (flag_dump_rtl_in_asm): Define.
6218 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
6219 if -dP is specified.
6220 * rtl.h (print_rtx_head): Declare.
6221 * print-rtl.c (print_rtx_head): Define.
6222 (print_rtx): Print the string pointed to by print_rtx_head
6223 at beginning of each dump line.
6224 (print_rtl): Likewise.
6225 (print_rtl_single): Likewise.
6226 * final.c (final_scan_insn): Dump the insn in the assembly
6228 * gcc.1: Document -dP option.
6229 * invoke.texi (Debugging Options): Likewise.
6231 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6233 * md.texi (Machine Constraints): Document the 68HC11 constraints.
6234 * install.texi (Configurations): Document the 68HC11&68HC12 port.
6235 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
6237 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
6239 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
6240 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
6241 (*clrstrqi): Likewise.
6242 (xorhi3,xorsi3,absqi2): Likewise.
6243 (one_cmplhi2,one_cmplsi2): Likewise.
6244 (addsi3): Two stupid constraint alternatives removed.
6245 (extendhisi2): Use `movw' for enhanced avr cores.
6246 (zero_extendhisi2): Likewise.
6248 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
6250 * alias.c (find_base_term): Use frame_pointer_rtx
6251 when handling an ADDRESSOF.
6253 * cse.c (canon_hash): Handle USE of BLKmode memory.
6254 (cse_insn): Outgoing arguments for a libcall don't
6255 affect any recorded expressions.
6257 2000-09-12 Tom Tromey <tromey@cygnus.com>
6259 * configure, config.in: Rebuilt.
6260 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
6262 2000-09-12 Jakub Jelinek <jakub@redhat.com>
6264 * c-lex.c (lex_string): Use charwidth to compute bytemask.
6265 * expr.c (expand_expr): Don't optimize constant array references
6266 initialized with wide string constants.
6268 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6270 * loop.c (note_set_pseudo_multiple_uses): Correct.
6272 2000-09-12 Jim Wilson <wilson@cygnus.com>
6274 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
6275 else block, and X has side-effects, then fail.
6277 2000-09-12 Greg McGary <greg@mcgary.org>
6279 * config/mips/mips-protos.h
6280 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
6281 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
6282 (PREDICATE_CODES): Add "trap_cmp_op".
6283 * config/mips/mips.c
6284 (trap_cmp_op, mips_gen_conditional_trap): New functions.
6285 * config/mips/mips.md (trap, conditional_trap): New patterns.
6287 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6289 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
6292 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6294 * builtins.c (built_in_decls): New array.
6295 (expand_builtin_fputs): New function.
6296 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
6298 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
6300 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
6302 * tree.h (built_in_decls): New array.
6304 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
6306 * convex.md: Use "+" instead of "=" for outputs wrapped in a
6308 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
6310 2000-09-12 Kazu Hirata <kazu@hxi.com>
6312 * haifa-sched.c: Fix formatting.
6314 * genattrtab.c: Fix formatting.
6316 * unroll.c: Fix formatting.
6318 2000-09-12 Bruce Korb <bkorb@gnu.org>
6320 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
6321 remove obsolete code
6322 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
6323 * fixinc/fixincl.tpl: make non-exported arrays static scope
6324 * fixinc/fixincl.x: regenerate
6325 * fixinc/fixlib.h: Use PARAMS, not _P_
6326 * fixinc/fixtests.c: make a type for the test proc & use it
6327 * fixinc/server.h: Use PARAMS, not _P_
6329 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6331 * c-typeck.c (process_init_element): Avoid union init warnings on
6332 floating point zero. Don't crash on unions containing structs.
6334 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
6336 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
6337 general_movsrc_operand, and remove CONST_INT from
6338 general_movdst_operand.
6340 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6342 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
6343 if a reference to non-fixed hardreg is seen. Otherwise, count hard
6344 regs with a higher cost.
6345 (preferrable): Deal with cases where either cost or regcost is
6347 (cse_insn): Use MAX_COST rather than 10000. Always initialize
6349 (COSTS_N_INSNS): Move definition...
6351 (MAX_COST): New macro.
6352 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
6355 2000-09-11 Mark Mitchell <mark@codesourcery.com>
6357 * c-common.h (genrtl_clear_out_block): Remove.
6358 * c-semantics.c (genrtl_clear_out_block): Remove.
6359 (genrtl_while_stmt): Don't call it.
6360 (genrtl_for_stmt): Likewise.
6362 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6364 * cppfiles.c: Move all default-#defines to top of file.
6365 (open_include_file): Replace by lookup_include_file.
6366 (read_with_read, read_file): Merged into read_include_file.
6367 (stack_include_file, purge_cache): New functions.
6368 (close_cached_fd): Delete.
6369 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
6370 Cache the in-memory buffer, not the file descriptor.
6372 * cpphash.h (struct include_file): Add buffer, st, refcnt,
6374 (xcnew): New utility macro.
6375 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
6376 * cpplib.h (struct cpp_buffer): Remove mapped field.
6378 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6380 * cpplex.c (parse_string): Accept backslash space newline as a
6382 (lex_line): Likewise.
6383 (_cpp_get_token): Remove hard limit on macro nesting.
6385 2000-09-12 Philipp Thomas <pthomas@suse.de>
6387 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
6388 * configure: Rebuilt.
6390 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6392 * flow.c (split_block): Fix update of registers live at
6395 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6397 * i386.md (add?i_3, add?i_5): New.
6398 (add?i_4): Rename from add?i_3; Fix compare pattern.
6399 (sub?i_3, xor?i_3, ior?i_3): New.
6401 * genrecog.c (write_tree): Output code to clear insn_extract cache.
6402 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
6403 instead of extract_insn and extract_constrain_insn_cache instead of
6404 extract_insn and constrain_operands.
6405 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
6407 (extract_insn): Clear which_alternative.
6408 (constrain_operands): Set which_alternative to -1 when failed.
6409 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
6412 2000-09-11 Matthew Hiller <hiller@redhat.com>
6414 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
6415 on operand 0 to '+'.
6416 (movstricthi): Likewise.
6418 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6420 * loop.h (LOOP_IVS): New macro.
6421 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
6422 (struct loop_ivs): New.
6423 (struct loop_info): Add ivs field.
6424 (reg_iv_type, reg_iv_info): Delete prototype.
6425 (reg_biv_class, loop_iv_list): Likewise.
6426 * loop.c (record_biv, find_life_end): Pass loop argument.
6427 (reg_iv_type): Remove global array and use
6428 field in loop_regs structure within loop_ivs structure.
6429 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
6430 (first_increment_giv, last_increment_giv): Use entry in
6432 (record_initial): Pass ivs pointer.
6433 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
6435 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6437 * loop.h (LOOP_REGS): New macro.
6438 (struct loop_regs): New.
6439 (struct loop_info): Add regs field.
6440 * loop.c (set_in_loop): Remove global array and store
6441 in loop_regs structure as part of loop_info structure.
6442 (n_times_set, may_not_optimize): Likewise.
6443 (reg_single_usage, moved_once): Likewise.
6444 (count_one_set): Add regs argument.
6445 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
6446 (set_pseudo_multiple_uses): Pass regs pointer.
6448 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6450 * unroll.c (iteration_info): Subsume into loop_iterations.
6451 * loop.h (loop_info): New field iv.
6453 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6455 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
6456 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
6457 (flow_loops_update): New prototype.
6458 (flow_loops_find): Add flags to prototype.
6459 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
6460 * flow.c (flow_loop_pre_header_scan): New.
6461 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
6462 (flow_loop_free): Free pre-header root and trace and exit dominators.
6463 (flow_loops_find): New argument flags.
6464 (flow_loops_update): New function.
6465 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
6467 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6469 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
6470 * flow.c (split_block, update_bb_for_insn): New functions.
6472 2000-09-11 Richard Henderson <rth@cygnus.com>
6474 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
6476 2000-09-11 Richard Henderson <rth@cygnus.com>
6478 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
6479 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
6480 (ia64_override_options): Prevent optimizing division for both
6481 latency and throughput.
6482 (rtx_needs_barrier): Handle frcpa.
6483 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
6484 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
6485 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
6486 (TARGET_SWITCHES): Add -minline-divide-min-latency and
6487 -minline-divide-max-throughput.
6488 (PREDICATE_CODES): Update.
6489 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
6490 (zero_extendsidi2): Likewise. Fix typo in f case insn.
6491 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
6492 (extendsftf2): Likewise.
6493 (extenddftf2): Likewise.
6494 (fix_trunctfdi2_alts): New.
6495 (fixuns_trunctfdi2_alts): New.
6496 (madd*4): Rename from madd*3.
6497 (divsi3, modsi3, udivsi3, umodsi3): New.
6498 (divsi3_internal): New.
6499 (divdi3, moddi3, udivdi3, umoddi3): New.
6500 (divdi3_internal_lat, divdi3_internal_thr): New.
6501 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
6502 (recip_approx): New.
6504 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
6506 * print-rtl.c (debug_call_placeholder_verbose): New variable.
6507 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
6509 * integrate.c (copy_rtx_and_substitute): Don't share
6510 LEAF_REG_REMAPpable registers with the inlined function. Don't
6511 share the function value with calling sequences.
6513 2000-09-11 Jakub Jelinek <jakub@redhat.com>
6515 * c-decl.c (do_case): Fix a typo.
6517 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
6518 to a if the comparison is floating mode and not -ffast-math.
6519 * simplify-rtx.c (simplify_ternary_operation): Likewise.
6521 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6523 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
6524 gen_ic_invalidate_line.
6526 2000-09-11 Philip Blundell <pb@futuretv.com>
6528 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
6530 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
6532 * install.texi (LANGUAGES): Update to include new languages.
6535 2000-09-11 DJ Delorie <dj@redhat.com>
6537 * gcc.c (main): Don't warn about unused -B prefixes
6538 (unused_prefix_warnings): remove
6540 2000-09-11 Kazu Hirata <kazu@hxi.com>
6542 * final.c: Fix formatting.
6544 * integrate.c: Fix formatting.
6546 2000-09-11 Geoff Keating <geoffk@cygnus.com>
6548 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
6550 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
6552 * reload.c (regno_clobbered_p): Fix thinko in previous change.
6554 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6556 * gcc.1: Document 68hc11 specific options.
6558 2000-09-10 Geoff Keating <geoffk@cygnus.com>
6560 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
6561 (TARGET_LONG_DOUBLE_128): Define.
6562 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
6563 (LONG_DOUBLE_TYPE_SIZE): Redefine.
6564 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6565 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
6566 of __LONG_DOUBLE_128__.
6567 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
6569 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
6570 (CPP_SYSV_DEFAULT_SPEC): Define.
6571 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
6572 (INIT_TARGET_OPTABS): Define.
6574 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
6575 (RS6000_UITRUNC): Likewise.
6576 (INIT_TARGET_OPTABS): New macro.
6577 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
6578 (trunc_defined): Delete.
6579 (output_prolog): Don't output .extern definitions for fp->int
6580 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
6581 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
6582 (trunc_defined): Delete.
6583 (RS6000_ITRUNC): Moved to aix.h.
6584 (RS6000_UITRUNC): Likewise.
6585 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
6586 only emit a libcall.
6587 (fixuns_truncdfsi2): Delete.
6588 (trunc_call): Delete.
6589 (trunc_call_rtl): Delete.
6591 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6593 * varasm.c (make_decl_rtl): Restore leading star on
6594 DECL_ASSEMBLER_NAME set for decls with an asmspec.
6596 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6598 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
6599 won't give a spurious error for '#pragma pack()'. Simplify
6600 control flow for readability. 'reset' action is not necessary.
6602 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6604 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
6605 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
6606 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
6607 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
6609 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
6610 profile.c, sdbout.c, tradcif.y, tree.c:
6611 Include defaults.h if not already included.
6612 Don't define the above macros.
6614 * Makefile.in: Update dependencies.
6616 2000-09-10 Mark Mitchell <mark@codesourcery.com>
6618 * c-common.h (add_stmt): Change prototype.
6619 (RECHAIN_STMTS): New macro.
6620 (CASE_LABEL_DECL): Likewise.
6621 (genrtl_case_label): Change prototype.
6622 (c_expand_start_case): Remove prototype.
6623 (build_case_label): Change prototype.
6624 (decl_constant_value): Declare.
6625 * c-common.c (check_case_value): Handle C++'s extensions to C
6627 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
6629 * c-parse.in (stmt): Adjust handling of return statements and case
6631 * c-semantics.c (add_stmt): Return the new statement.
6632 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
6633 returned expression. Directly generate RTL, rather than calling
6635 (genrtl_switch_stmt): Don't call c_expand_start_case.
6636 (build_case_label): Take the LABEL_DECL as input, too.
6637 (genrtl_case_label): Just call add_case_node.
6638 (expand_stmt): Adjust calls to genrtl_return_stmt and
6640 * c-tree.h (c_expand_start_case): Declare.
6641 * c-typeck.c (decl_constant_value): Give it external linkage.
6642 (c_expand_return): Don't call expand_return or expand_null_return;
6643 use genrtl_return_stmt instead.
6644 * stmt.c (struct nesting): Remove num_ranges field.
6645 (add_case_node): Give it external linkage.
6646 (expand_start_case): Don't set num_ranges.
6647 (expand_start_case_dummy): Don't clear it.
6648 (pushcase): Rely on add_case_node to handle `default' labels.
6649 (add_case_node): Handle `default' labels.
6650 * tree.c (tree_int_cst_compare): New function.
6651 * tree.h (tree_int_cst_compare): Declare.
6652 (add_case_node): Likewise.
6654 2000-09-10 Richard Henderson <rth@cygnus.com>
6656 * c-parse.in: Revert last change.
6657 (init_reswords): Do not enter disabled keywords into the ridpointers
6658 table, modulo objc weirdness.
6659 (_yylex): Return the canonical spelling for a keyword.
6661 2000-09-10 Philip Blundell <philb@gnu.org>
6663 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
6664 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
6666 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
6668 * alias.c (find_base_term): Handle ADDRESSOF.
6669 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
6671 2000-09-10 Denis Chertykov <denisc@overta.ru>
6673 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
6674 outputting templates with many lines.
6676 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6678 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
6679 to decide whether 64-bit support must be generated.
6681 2000-09-10 Richard Henderson <rth@cygnus.com>
6683 * c-parse.in (asm patterns): Fix volatile check.
6685 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6687 * cppmacro.c (check_trad_stringification): New function.
6688 (save_expansion): If -Wtraditional, warn about stringification of
6691 2000-09-11 Michael Hayes <mhayes@cygnus.com>
6693 * loop.h (struct loop_mem_info): Move from loop.c
6694 (struct loop_info): Add fields store_mems, mems, mems_idx,
6695 mems_allocated, unknown_address_altered,
6696 unknown_constant_address_altered, num_mem_sets, and
6697 first_loop_store_insn.
6699 * loop.c (loop_store_mems): Replace with field in loop_info struct.
6700 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
6701 (unknown_address_altered, unknown_constant_address_altered): Likewise.
6702 (num_mem_sets): Likewise.
6703 (replace_loop_mems, replace_loop_regs): New.
6704 (struct loop_replace_args): New.
6705 (load_mems): Use replace_loop_mems.
6706 (try_copy_prop): Use replace_loop_regs.
6707 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
6709 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6711 * configure.in: Recognize m6811-elf and m6812-elf.
6712 * configure: Regenerate.
6714 2000-09-09 Geoff Keating <geoffk@cygnus.com>
6716 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
6719 2000-09-10 Michael Hayes <mhayes@cygnus.com>
6721 * loop.c (struct movables): New.
6722 (num_movables): Move into struct movables.
6723 (the_movables): Change type to struct movables.
6724 (ignore_some_movables): Change struct movable arg to struct movables.
6725 (force_movables, combine_movables, regs_match_p): Likewise.
6726 (rtx_equal_for_loop_p, move_movables): Likewise.
6727 (scan_loop): Change movables to be of type struct movables.
6728 Replace last_movable with field in movables structure.
6730 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
6732 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
6733 (init_pragma): Avoid warning if pfile happens to be unused.
6734 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
6735 define init_pragma to nothing. Always prototype
6736 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
6738 * c-lex.c (process_directive): Always call dispatch_pragma.
6739 Initialize entering_c_header to 0.
6741 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6743 * config/m68hc11/m68hc11.md: New file, machine description for
6745 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
6746 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
6747 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
6748 * config/m68hc11/m68hc11-protos.h: New file.
6749 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
6750 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
6751 * config/m68hc11/xm-m68hc11.h: New file, target defs.
6752 * config/m68hc11/larith.asm: New file, libgcc routines.
6754 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6756 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
6757 (FPBIT_FUNCS): Add _usi_to_sf.
6758 * config/fp-bit.c (usi_to_float): New function.
6759 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
6760 (usi_to_float): Add appropriate #define.
6762 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6764 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
6766 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
6767 * i386.md (attr "type"): Add sse and mmx types.
6768 (attr "memory"): Handle them without a crash.
6769 (movsi_1, movdi_2): Allow MMX regs.
6770 (movdi splits): Don't split moves involving MMX regs.
6771 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
6772 (movv4sf_internal, movv4si_internal, movv8qi_internal,
6773 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
6774 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
6775 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
6776 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
6777 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
6778 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
6779 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
6780 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
6781 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
6782 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6783 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6784 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
6785 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
6786 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6787 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6788 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
6789 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
6790 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
6791 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
6792 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
6793 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6794 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6795 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
6796 mmx_clrdi): New patterns.
6798 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
6800 * arm.c: Don't include tm.h directly.
6802 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
6804 * recog.c (validate_replace_rtx_1): Fix confusion about equality
6805 testing; simplify subregs of constants and nested subregs.
6807 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
6809 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
6811 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6813 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
6815 * rtl.texi (description of USE): Add note about possible pitfalls
6817 From Richard Henderson:
6818 * reload1.c (choose_reload_regs): Compute need_mode properly.
6820 2000-09-07 Richard Henderson <rth@cygnus.com>
6822 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6823 (__modsi3, __umodsi3): Likewise.
6824 (__udivsi3): Likewise. Normalize the TFmode values.
6826 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6828 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6830 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6833 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6835 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
6836 (cmpeqdi_t): Add output pattern.
6837 (cmpeqdi_t+1): Don't split when not optimizing.
6838 Restore proper splitting operation.
6840 2000-09-07 Richard Henderson <rth@cygnus.com>
6842 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
6843 do not call dispatch_pragma.
6845 2000-09-07 Jim Wilson <wilson@cygnus.com>
6847 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
6848 to CLASS_CANNOT_CHANGE_MODE.
6849 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
6850 mode classes are different.
6852 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6854 * cpplib.h (struct cpp_options): Add user_label_prefix member,
6855 left out of commit which removed cppulp.c.
6857 2000-09-07 Richard Henderson <rth@cygnus.com>
6859 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
6860 after switch for CASE_DROPS_THROUGH.
6862 2000-09-07 Richard Henderson <rth@cygnus.com>
6864 * loop.c (strength_reduce): Call check_ext_dependant_givs.
6865 Properly extend the biv initial value for the giv.
6866 (record_biv): Zero ext_dependant.
6867 (record_giv): New argument ext_val. Update all callers.
6868 (general_induction_var): Likewise.
6869 (consec_sets_giv): Likewise.
6870 (simplify_giv_expr): Likewise. Fill in ext_val if we find
6871 a sign-extend, zero-extend, or truncate.
6872 (combine_givs_p): Make sure modes are compatible.
6873 (check_ext_dependant_givs): New.
6874 (extend_value_for_giv): New.
6875 * loop.h (struct induction): Add ext_dependant.
6876 * unroll.c (iteration_info): Extend the biv initial value for the giv.
6877 (find_splittable_givs): Likewise.
6878 (final_giv_value): Likewise.
6880 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6882 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
6883 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
6884 definitions from cpplib.h.
6885 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
6887 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
6888 documentation for REGISTER_TARGET_PRAGMAS.
6890 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
6891 default-pragma callback to implement -Wunknown-pragmas if
6893 * c-parse.in: Move all includes to top of file.
6894 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
6896 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
6898 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
6900 * arm.h, arm-protos.h, arm.c,
6901 c4x.h, c4x-protos.h, c4x.c,
6902 h8300.h, h8300-protos.h, h8300.c,
6903 i370.h, i370-protos.h, i370.c,
6904 i960.h, i960-protos.h, i960.c,
6905 sh.h, sh-protos.h, sh.c,
6906 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
6907 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
6909 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
6910 multiple include guard.
6911 * i370.md (untyped_call): Use GEN_CALL.
6912 (umodsi3): Remove unused variable.
6913 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
6914 * v850.c (output_move_single, output_move_double): Constify
6916 (print_operand): Constify a char *.
6917 * v850.h (struct small_memory_info): Constify name member.
6919 2000-09-07 Kazu Hirata <kazu@hxi.com>
6921 * config/h8300.h: Fix comment typos.
6922 * config/h8300/h8300.md: Likewise.
6923 * config/h8300/lib1funcs.asm: Likewise.
6925 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
6927 * Makefile.in: Remove references to cppulp.{c,o}.
6928 * cppinit.c (initialize_builtins, cpp_start_read,
6929 cpp_handle_option): Update to use cpp_options structure.
6932 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
6934 * c-common.c (time_char_table): Allow %#b and %#h.
6936 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6938 * reorg.c (find_end_label): If the basic block reorder pass moves the
6939 return insn to some other place try to locate it again and put our
6940 end_of_function_label there.
6941 * reorg.c (relax_delay_slots): Check if find_end_label created a
6942 new label that invalidates the current optimazation.
6944 2000-09-07 Catherine Moore <clm@redhat.com>
6946 * unroll.c (unroll_loop): Check for unconditional jumps
6947 to loop continuation. Delete if n_iterations is 1.
6948 (ujump_to_loop_cont): New routine.
6950 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
6952 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
6954 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
6955 to handle multiword modes correctly. All callers and the declaration
6958 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6960 * c-common.h (prep_stmt): Declare.
6961 (lang_expand_stmt): Likewise.
6962 * c-decl.c (lang_expand_stmt): Remove.
6963 * c-semantics.c (lang_expand_stmt): Define.
6964 (prep_stmt): New function.
6965 (expand_stmt): Handle common statement types here.
6967 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
6969 * configure.in (sh-*-linux*): Added.
6970 * configure: Rebuilt.
6971 * config/sh/t-linux: New file.
6972 * config/sh/sh.h (USERMODE_BIT): Define.
6973 (TARGET_USERMODE): Likewise.
6974 (TARGET_SWITCHES): New switches for the bits above.
6975 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
6976 * config/sh/linux.h: New file.
6977 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
6978 underscore on linux.
6979 (L_sdivsi3, L_udivsi3): Define for linux.
6980 (L_ic_invalidate): Define.
6981 * invoke.texi (SH Options): Document -musermode.
6983 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
6985 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
6986 CSE unless generating PIC.
6988 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
6991 2000-09-06 H.J. Lu (hjl@gnu.org)
6993 * Makefile.in (clean_s1): Depend on stage_b.
6994 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
6995 stage2. They are used for "make compare".
6997 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6999 Move statement-tree facilities from C++ to C front-end.
7000 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
7001 (void_zero_node): New macro.
7002 (struct stmt_tree_s): New type.
7003 (stmt_tree): New typedef.
7004 (struct language_function): New type.
7005 (last_tree): New macro.
7006 (last_expr_type): Likewise.
7007 (walk_tree_fn): New typedef.
7008 (current_stmt_tree): New function.
7009 (begin_stmt_tree): Likewise.
7010 (add_stmt): Likewise.
7011 (finish_stmt_tree): Likewise.
7012 (statement_code_p): Likewise.
7013 (lang_statement_code_p): New variable.
7014 (walk_stmt_tree): New function.
7015 (STMT_IS_FULL_EXPR_P): New macro.
7016 * c-common.c (lang_statement_code_p): New variable.
7017 (c_common_nodes_and_builtins): Initialize void_zero_node.
7018 (statement_code_p): New function.
7019 (walk_stmt_tree): Likewise.
7020 * c-decl.c (language_function): Rename to ...
7021 (c_language_function): ... this. Include language_function.
7022 (push_c_function_context): Adjust accordingly.
7023 (pop_c_function_context): Likewise.
7024 (mark_c_function_context): Likewise.
7025 (current_stmt_tree): Define.
7026 * c-semantics.c (begin_stmt_tree): New function.
7027 (add_stmt): Likewise.
7028 (prune_unused_decls): Likewise.
7029 (finish_stmt_tree): Likewise.
7031 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7033 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
7035 2000-09-06 Kazu Hirata <kazu@hxi.com>
7037 * calls.c: Fix formatting.
7039 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
7041 * config/i386/i386.h (ADDRESS_COST): Fix typo.
7043 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7045 Integrated preprocessor.
7047 * Makefile.in: Remove all references to c-parse.gperf,
7048 c-gperf.h, and c-parse.h. Remove -d from yacc command line
7049 generating c-parse.c. Update dependencies.
7050 * c-parse.gperf, c-gperf.h: Delete.
7052 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
7053 yy_lim, or yy_get_token. Don't define get_directive_line if
7055 * c-common.h: Add multiple include guard. Define RID values
7056 for every keyword in C, C++, and Objective C. Put all the
7058 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
7059 * c-decl.c (c_decode_option): Handle -lang-objc here.
7060 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
7061 (grokdeclarator): Adjust for new RID scheme.
7062 (extract_interface_info): New stub.
7063 * c-lang.c: Don't declare yy_cur or parse_options.
7064 (lang_init_options): Call cpp_init. Don't call
7066 (lang_init): Don't call check_newline if USE_CPPLIB.
7068 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
7069 Elide lots of unnecessary code if USE_CPPLIB. Delete code
7070 rendered unnecessary by new architecture. Move routines not
7071 shared with C++ to c-parse.in. Maintain a local idea of the
7072 line number. Handle C++ as well as C.
7073 [USE_CPPLIB]: Declare and register callbacks for #ident and
7074 for entering/leaving files.
7075 (init_c_lex, c_lex): Are now the entry points to this file.
7076 (check_newline): Break out directive handling to
7078 (read_ucs, is_extended_char, utf8_extend_token): Moved here
7080 (readescape, parse_float): Overhaul.
7081 (lex_number, lex_string, lex_charconst): Break out of c_lex
7083 (get_fileinfo, update_header_times, dump_one_header,
7084 dump_time_statistics): New and/or moved here from C++.
7085 Support per-file data needed by C++ and per-header timing
7086 statistics (C++ only, at the moment).
7087 * c-lex.h: Update prototypes. Add multiple include guard.
7088 * c-tree.h (struct lang_identifier): Add rid_code field.
7089 (C_IS_RESERVED_WORD, C_RID_CODE): New.
7091 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
7092 reinit_parse_for_function and/or position_after_white_space.
7093 (save_filename, save_lineno): Look ahead before saving.
7094 (label -> identifier ':'): Save file and line before shifting ':'.
7095 (reservedwords): No need to call get_identifier.
7096 (init_parse, finish_parse, yyerror, yylex, yyprint,
7097 make_pointer_declarator): Are now here for C/ObjC.
7098 (rid_to_yy): Conversion table from RID constants to Yacc codes.
7100 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
7101 #pragma registry. Provide dummy implementation of that
7102 interface if !USE_CPPLIB.
7103 * c-pragma.h: Update to match.
7105 * flags.h: Add multiple include guard.
7106 (flag_detailed_statistics): Moved here from C++.
7107 * toplev.c: Define flag_detailed_statistics.
7109 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
7111 * timevar.def (TV_CPP, TV_LEX): New.
7112 * timevar.h: Add multiple include guard.
7114 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
7116 * objc/objc-act.c: Don't mention yy_cur or parse_options.
7117 Initialize cpplib properly. Force lineno to 0 after first
7118 call to check_newline. Don't handle -lang-objc here.
7119 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
7121 2000-09-06 David Edelsohn <edelsohn@gnu.org>
7123 * rs6000.md: Correct function unit definitions for cr_logical and
7125 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
7126 and use portable method for >=0 and floating point >=. Remove
7127 associated matchers.
7129 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7131 * extend.texi: Mark named return value extension as deprecated.
7133 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7135 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
7138 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
7140 * toplev.c (display_help): Fix thinko in documentation.
7142 * diagnostic.h (output_buffer::indent_skip): New fields.
7143 (output_indentation): New macro.
7145 * diagnostic.c (output_indent): New function.
7146 (output_set_prefix, clear_diagnostic_info): Use.
7147 (output_emit_prefix): Predict future indentation.
7149 2000-09-06 DJ Delorie <dj@redhat.com>
7151 * Makefile.in (stage_*): add more dependencies to ensure parallel
7152 builds build correctly
7154 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
7156 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
7157 not bootstrap-lean_f.
7159 2000-09-06 Andreas Schwab <schwab@suse.de>
7161 * mklibgcc.in: Emit rule for libgcc-stage-start.
7162 * Makefile.in (stage1-start, stage2-start, stage3-start,
7163 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
7165 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
7167 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
7168 (update_equiv_regs): Likewise, except for the mn10200 kludge.
7169 (combine_regs): Likewise.
7171 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
7172 * cse.c: Include "basic-block.h".
7173 (struct table_elt): New field REGCOST.
7174 (CHEAP_REG): Delete macro.
7175 (COST): Return 0 for REGs.
7176 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
7177 (notreg_cost): Return 0 for appropriate SUBREGs.
7178 (COSTS_N_INSNS): Return N * 2.
7179 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
7181 (CHEAPER): Use new function preferrable.
7182 (insert): Initialize REGCOST member.
7183 (find_best_addr): Use approx_reg_cost for estimation of register
7185 (cse_insn): Likewise.
7186 * loop.c (iv_add_mult_cost): New function.
7187 (add_cost, shift_cost, mult_cost): Delete variables.
7188 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
7189 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
7190 Make code that detects autoinc opportunities slightly less optimistic.
7191 (simplify_giv_expr): If expression contains other reg that is also a
7192 giv, only increment benefit if this is the only use of that reg.
7193 (consec_sets_giv): Take that change into account.
7194 (combine_givs): Slightly more verbose output.
7196 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
7197 not the cost of an equivalent shift.
7198 * sh-protos.h (addsubcosts): Declare.
7199 * sh.c (addsubcosts): New function.
7200 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
7201 (RTX_COSTS): Tweak. Use addsubcosts.
7202 (ADDRESS_COST): Return higher cost for reg+reg addressing.
7204 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7206 * config/rs6000/rs6000.c (validate_condition_mode): New function.
7207 (branch_comparison_operator): Call validate_condition_mode to
7208 abort rather than returning 0.
7209 (branch_positive_comparison_operator): New function.
7210 (scc_comparison_operator): Call validate_condition_mode to abort
7211 rather than returning 0.
7212 (ccr_bit): Call validate_condition_mode. Update for
7214 (print_operand): Delete %C modifier. Update %E case
7215 to use EQ bit not SO bit.
7216 (rs6000_reverse_condition): New function.
7217 (rs6000_generate_compare): New function.
7218 (rs6000_emit_sCOND): New function.
7219 (rs6000_emit_cbranch): New function.
7220 (output_cbranch): The length of a long branch insn is
7221 now only 8 bytes. Add validate_condition_mode. Use
7222 rs6000_reverse_condition. Remove cror generation.
7224 * config/rs6000/rs6000.h: Update comments.
7225 (PREDICATE_CODES): Add new predicate. Update codes used
7226 by branch_comparison_operator and scc_comparison_operator.
7227 * config/rs6000/rs6000-protos.h: Add prototypes for
7228 new external functions.
7229 * config/rs6000/rs6000.md: Add new scheduling parameters
7230 for cr_logical instructions. Change length of branch
7232 (bCOND patterns): Call rs6000_emit_cbranch.
7233 (sCOND patterns): Call rs6000_emit_sCOND.
7234 (branch patterns): Change lengths to 4.
7235 (cr logical patterns): New.
7237 2000-09-06 Richard Henderson <rth@cygnus.com>
7239 * config/i386/i386.md (call_pop): Fix test for setting
7240 current_function_uses_pic_offset_table.
7241 (call, call_value_pop, call_value): Likewise.
7243 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7245 * timevar.c (timevar_add): Delete.
7246 (timevar_get): Also count time since the selected timer was
7247 last updated. Do not examine the timevar stack if the
7248 selected timer is standalone.
7250 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7252 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
7254 2000-09-05 Jason Merrill <jason@redhat.com>
7256 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
7257 for 'extern' arrays.
7259 2000-09-05 Richard Henderson <rth@cygnus.com>
7261 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
7262 Eliminate final copy from non-trapping case.
7263 (__divdf3, __divsf3): Likewise.
7265 2000-09-05 Richard Henderson <rth@cygnus.com>
7267 * config/ia64/ia64.md (mulhi3): Fix typo last change.
7268 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
7270 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
7272 * Makefile.in: Restructure bootstrap stages to allow clean
7273 restart after failure.
7275 2000-09-05 Richard Henderson <rth@cygnus.com>
7277 * config/ia64.md (movsi and movdi patterns): Allow moves from
7278 8-bit constants to AR registers.
7280 2000-09-05 Richard Henderson <rth@cygnus.com>
7282 * config/ia64/ia64.md (mulhi3): New.
7284 2000-09-05 Richard Henderson <rth@cygnus.com>
7286 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
7287 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
7288 Optimization Guide, minimum latency alternative.
7289 (__moddi3, __udivdi3, __umoddi3): Likewise.
7290 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
7292 2000-09-05 Bruce Korb <bkorb@gnu.org>
7294 * fixinc/fixincl.c (load_file): always read header files
7295 with sizes that are a multiple of the page size.
7296 & use libiberty's getpagesize for determining that.
7298 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
7300 * gcse.c (hash_string_1): Add prototype.
7301 * cse.c (canon_hash_string): Likewise.
7303 2000-09-04 Craig Newell <CraigN@ieee.org>
7305 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
7307 2000-09-04 Andreas Schwab <schwab@suse.de>
7309 * Makefile.in (STAGESTUFF): Remove libgcc.
7310 (stage1-start, stage2-start, stage3-start): Copy the contents of
7311 the libgcc directory explicitly.
7312 (mostlyclean): Clean libgcc.
7314 2000-09-04 Andrew Haley <aph@redhat.com>
7316 * dwarf2out.c: (stack_adjust_offset): New prototype.
7318 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
7320 * combine.c (make_extraction): Fix rtx_cost comparison to
7323 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
7325 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
7326 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
7327 Add '*' to insn pattern name.
7329 2000-09-04 Jakub Jelinek <jakub@redhat.com>
7331 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
7332 use posn - 1 to index into tokens array.
7333 (maybe_paste_with_next): Adjust caller.
7335 2000-09-03 Geoff Keating <geoffk@cygnus.com>
7337 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
7339 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
7340 (REGNO_REG_CLASS): Use symbolic register
7343 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
7345 * arm.c (final_prescan_insn): If the form of a jump insn isn't
7346 recognized, don't try to conditionally execute it.
7348 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
7350 * config/avr/avr.md ("*tablejump_lib"): New pattern.
7351 (call_value_insn): Right length claculation.
7352 (call_insn): Likewise.
7354 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
7356 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
7357 gas_output_limited_string, gas_output_ascii, output_movqi,
7358 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
7359 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
7360 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
7361 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
7362 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
7363 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
7364 Add "const" as needed to remove warnings.
7366 * config/avr/avr.c (avr_override_options, avr_init_once,
7367 function_prologue, function_epilogue, frame_pointer_required_p,
7368 class_likely_spilled_p, order_regs_for_local_alloc,
7369 avr_address_cost, avr_ret_register): Use K&R style arguments.
7370 (initial_elimination_offset, gas_output_limited_string):
7371 Remove ATTRIBUTE_UNUSED from the used arguments.
7372 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
7373 Use local variables src, dest, base to access operands[].
7374 Rename reg_dest to reg_src if that's what it is.
7375 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
7376 constants to LD_REGS if reg_was_0.
7377 (output_reload_insisf): Change arg 3 to insn length and set it.
7378 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
7379 access to 16-bit I/O register pairs.
7380 (avr_address_cost): Lower cost for the above case.
7381 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
7382 may be clobbered, also for LD_REGS.
7383 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
7386 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
7388 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
7389 macro to test_hard_reg_class function.
7390 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
7391 for loading immediate constants to LD_REGS.
7392 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
7395 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
7397 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
7398 * config/avr/libgcc.S: Lost part of the previous patch.
7400 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7402 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
7403 object before calling pthread_mutex_init.
7405 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
7407 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
7408 config/sh/crtn.asm: New files.
7409 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
7410 (crt1.o, crti.o, crtn.o): New targets.
7411 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
7413 * configure: Rebuilt.
7414 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7415 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
7416 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7417 Undefine for config/elfos.h to redefine.
7418 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
7420 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7422 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
7423 legitimize_pic_address, output_pic_addr_const): Declare.
7424 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
7425 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
7426 (TARGET_SWITCHES): New switch -mprefergot.
7427 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
7428 (PIC_OFFSET_TABLE_REGNUM): Define.
7429 (GOT_SYMBOL_TABLE): Likewise.
7430 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
7431 (ENCODE_SECTION_INFO): Define.
7432 (FINALIZE_PIC): New macros.
7433 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
7434 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
7435 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
7436 (prepare_move_operands): Call emit_pic_move or
7437 emit_pic_const_move if appropriate.
7438 (output_far_jump): For PIC, use braf and output long offset.
7439 (machine_dependent_reorg):
7440 (sh_expand_prologue): Save and initialize the PIC register.
7441 (sh_expand_epilogue): Restore it.
7442 (initial_elimination_offset): Account for it.
7443 (nonpic_symbol_mentioned_p): New function.
7444 (legitimize_pic_address): Likewise.
7445 (output_pic_addr_const): Likewise.
7446 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
7447 (call, call_value): Use them.
7448 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
7449 symPLT_label2reg): New expands.
7450 * invoke.texi (SH Options): Document -mprefergot.
7452 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
7454 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
7455 * gcse.c (hash_string_1): New function.
7456 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
7457 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
7458 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
7459 (canon_hash_string): New function.
7460 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
7461 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
7462 (fold_rtx): Use ASM_OPERANDS accessor macros.
7463 * emit-rtl.c (copy_insn_1): Likewise.
7464 * integrate.c (copy_rtx_and_substitute): Likewise.
7465 * stmt.c (expand_asm_operands): Likewise. Give an
7466 ASM_OPERANDS rtx the mode of the output reg being set from it.
7468 2000-09-01 Fred Fish <fnf@be.com>
7470 * fix-header.c (write_rbrac): Add putc and getc to list of
7471 functions to protect against prior definition as a macro.
7473 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
7475 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
7476 (c_size_type_node): Define.
7477 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
7478 * c-common.c (enum format_lengths, enum format_std_version,
7479 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
7480 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
7481 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
7482 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
7483 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
7484 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
7485 format_types): Define.
7486 (format_char_info, print_char_table, scan_char_table,
7487 time_char_table): Rearrange for new organization of information
7488 about format length modifiers and standard versions.
7489 (T_ST): Redefine to use c_size_type_node.
7490 (check_format_info): Obtain information about length modifiers and
7491 standard versions from tables. Adjust warning message wordings.
7492 Use the name from the user's program for `ll' and `hh' length
7493 modifiers in warning messages. Use more informative names for
7494 wanted types where available (for wchar_t, wint_t, size_t, signed
7495 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
7497 2000-09-01 Jim Wilson <wilson@cygnus.com>
7499 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
7500 * combine.c (distribute_notes): Handle REG_NORETURN.
7501 * rtl.c (reg_note_name): Add REG_NORETURN.
7502 * rtl.h (enum reg_note): Likewise.
7504 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
7506 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
7507 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
7508 (emit_predicate_relation_info): Handle conditional calls with
7510 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
7511 instead of ia64_file_start.
7512 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
7513 * config/ia64/ia64.md (safe_across_calls_all,
7514 save_across_calls_normal): New patterns.
7516 * loop.c (check_final_value): Check for biv use before checking for
7517 giv use. Check for both biv and giv uses. Always set last_giv_use
7518 if there is a giv use.
7520 2000-09-01 Richard Henderson <rth@cygnus.com>
7522 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
7523 (madddi3): Likewise.
7526 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7528 * expr.c (clear_storage): Don't use emit_move_insn unless
7529 either BLKmode or proper size.
7530 (store_constructor): Don't call clear_storage if REG of wrong size.
7532 * flow.c (init_propagate_block_info): Don't mark frame dead at end
7533 of function if returns wiht stack pointer depressed.
7535 2000-09-01 Andrew Haley <aph@redhat.com>
7537 * dwarf2out.c (stack_adjust_offset): New function.
7538 (dwarf2out_stack_adjust): Break out stack adjust logic into
7539 new stack_adjust_offset function. Look inside parallels and
7540 sequences for stack adjustments.
7542 2000-08-31 Jeff Law <law@cygnus.com>
7544 * arm.md: Use no_new_pseudos to determine when it is safe
7545 to create new pseudo registers.
7547 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
7548 when we can safely allocate new registers.
7550 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
7552 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
7553 so that CONCATs are not generated for ASMs.
7554 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
7555 not generating_concat_p.
7556 * function.c (pop_function_context_from): Reset
7557 generating_concat_p.
7558 (prepare_function_start): Likewise.
7559 * rtl.c (generating_concat_p): Define.
7560 * rtl.h (generating_concat_p): Declare.
7561 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
7563 2000-08-22 Philipp Thomas <pthomas@suse.de>
7564 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
7566 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
7569 2000-08-30 Greg McGary <greg@mcgary.org>
7571 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
7572 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
7573 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
7575 2000-08-30 Greg McGary <greg@mcgary.org>
7577 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
7578 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
7579 (TREE_INT_CST): New macro.
7580 * varasm.c (const_hash, compare_constant_1, record_constant_1):
7581 Use new macro TREE_INT_CST.
7583 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
7585 * contrib.texi: Add self.
7587 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
7589 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
7590 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
7593 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7595 * fixinc/gnu-regex.c: Don't define `const'.
7597 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7599 * expr.c (store_constructor): Allow variable bounds of array type.
7600 (expand_expr): Don't blow up if type is ERROR_MARK.
7601 * varasm.c (output_constructor): Don't access lower bound of array
7602 type unless need it if index is supplied (so it can be a variable
7603 if no index is supplied).
7604 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
7605 Other minor cleanups.
7607 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7609 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
7610 for compilations in stage 1 and subsequent stages, respectively.
7611 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
7612 * configure: Rebuilt.
7613 * x-vax, x-vax-gcc: Deleted.
7615 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7617 * c-common.c (declare_function_name): Use func_id_node,
7618 function_id_node, and pretty_function_id_node. Do not make
7619 __func__ visible at file scope.
7620 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
7621 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
7622 (function_id_node, pretty_function_id_node, func_id_node): New
7624 * c-decl.c (init_decl_processing): Initialize function_id_node,
7625 pretty_function_id_node, and func_id_node.
7626 (c_make_fname_decl): Correct comment.
7628 * tree.h (struct tree_identifier): Constify pointer member.
7630 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
7631 * c-pragma.h (struct weak_syms): Constify name and value members.
7632 (add_weak): Constify arguments.
7634 * calls.c (special_function_p): Constify a char *.
7635 (expand_call): Remove variable which is initialized and then
7637 * dependence.c (struct def_use, struct induction, struct subscript):
7638 Constify 'variable' member.
7639 (get_low_bound, have_induction_variable): Constify char * argument.
7640 (find_induction_variable): Add braces to avoid dangling else.
7641 (classify_dependence): Constify char * arrays.
7642 * profile.c (output_func_start_profiler): Constify a char *.
7643 * stor-layout.c (finalize_record_size): Constify a char *.
7644 * tree.c (is_attribute_p): Constify a char *.
7645 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
7647 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
7648 for comprehensibility. Do not call get_identifier if we did
7649 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
7650 create temporary string constants, not ggc_alloc_string. No
7651 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
7652 char * to hold IDENTIFIER_POINTERs.
7654 2000-08-29 Richard Henderson <rth@cygnus.com>
7656 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
7659 2000-08-29 Richard Henderson <rth@cygnus.com>
7661 * reload.c (push_secondary_reload): Allow class == reload_class
7662 if we're using a reload_in/out pattern.
7664 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
7665 the half that does not conflict with the reload register.
7666 (reload_outti): Likewise.
7668 2000-08-29 Kazu Hirata <kazu@hxi.com>
7670 * reload.c: Fix formatting.
7672 * stmt.c: Fix formatting.
7674 * gcc.c: Fix formatting.
7676 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7678 * flags.h (time_report, mem_report): New global flags.
7679 * toplev.c: Define time_report and mem_report.
7680 (f_options): Add -ftime-report and -fmem-report.
7681 (compile_file): Turn on time_report if quiet_flag is off.
7682 Call ggc_print_statistics at very end if mem_report is on.
7683 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
7685 * ggc-common.c (ggc_print_statistics): Rename to
7686 ggc_print_common_statistics; all callers changed. Scale
7687 quantities above 10K to kilobytes and above 10M to megabytes.
7688 * ggc-page.c (ggc_page_print_statistics): Rename to
7689 ggc_print_statistics. Report memory consumed by internal data
7690 structures for each allocation bucket. Scale quantities above
7691 10K to kilobytes and above 10M to megabytes.
7692 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
7693 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
7694 Define tally_leaves always.
7695 (ggc_print_statistics): New function.
7696 * ggc.h: Adjust for renamed functions.
7698 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
7700 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
7701 output_movsisf instead of which_alternative.
7703 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
7705 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
7707 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
7708 (avr_progmem_p): New prototype.
7709 (output_movsisf): Prototype declaration changed.
7710 (output_movqi): New prototype.
7711 (output_movhi): New prototype.
7712 (call_insn_operand): Likewise.
7713 (final_prescan_insn): Likewise.
7714 (avr_simplify_comparision_p): Likewise.
7715 (avr_normalize_condition): Likewise.
7716 (compare_eq_p): Likewise.
7717 (out_shift_with_cnt): Likewise.
7718 (const_int_pow2_p): Likewise.
7719 (output_reload_inhi): Prototype declaration changed.
7721 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
7722 (ldi_reg_rtx): New. rtx for r31.
7723 (avr_init_stack): Initialize as "__stack".
7724 (function_prologue): Use it.
7725 Replace all TARGET_ENHANCED with AVR_ENHANCED.
7726 (avr_mcu_name): Initialize as "avr2".
7727 (avr_enhanced_p, avr_mega_p): New variables.
7728 (mcu_types, avr_override_options): Handle all known MCU types.
7729 Also handle avr1 (only preprocess, assemble and link).
7730 (print_operand): Using of `%K' in output template removed.
7731 (out_movqi_r_mr): Optimized.
7732 (out_movhi_r_mr): Likewise.
7733 (output_movqi): New function.
7734 (output_movhi): Likewise.
7735 (out_movsi_r_mr): Optimized.
7736 (output_movsisf): Compute insn length for `adjust_insn_length'
7737 (out_movqi_mr_r): Optimized.
7738 (out_movhi_mr_r): Optimized.
7739 (adjust_insn_length): Use output_movsisf, output_movqi,
7740 output_movhi for insn length adjusting.
7741 (reg_unused_after): Use dead_or_set_p.
7742 (preferred_reload_class): Now havn't any restriction.
7743 (reg_was_0): New function.
7744 (io_address_p): Likewise.
7745 (const_int_pow2_p): Likewise.
7746 (output_reload_inhi): Likewise.
7747 (output_reload_insisf): Likewise.
7749 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
7750 (LIB_SPEC): Use -lc for all supported devices.
7751 (LIBGCC_SPEC): Use -lgcc for all supported devices.
7752 (AVR_MEGA): Define as avr_mega_p.
7753 (AVR_ENHANCED): New, define as avr_enhanced_p.
7754 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
7755 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
7756 (CRT_BINUTILS_SPECS): Handle all known MCU types.
7757 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
7758 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
7759 (ASM_SPEC): Pass -mmcu=... to the assembler.
7760 Change all -DAVR_* to -D__AVR_*__.
7761 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
7762 Rename library functions to start with two underscores.
7763 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
7765 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
7766 (SUPPORTS_WEAK): Likewise.
7767 (LDI_REG_REGNO): New. Register r31 will be used as temporary
7768 register for loading constants to r0-r14.
7770 * config/avr/avr.md: Replace all TARGET_ENHANCED with
7772 (*mov_r_sp): Removed. Handled by output_movhi.
7773 (*mov_sp_r): Likewise.
7774 (*mov_sp_r_no_interrupts): Likewise
7775 (*mov_sp_r_tiny): Likewise.
7776 (*movqi): Use output_movqi.
7777 (*reload_inqi): New.
7778 (*movhi): Use output_movhi.
7779 (*reload_inhi): New.
7780 (*negsi2): Optimized.
7781 (*negsf2): Likewise.
7782 Added peepholes (define_peephole2) for loading constants to r0-r14
7783 and for using `cpse' command.
7785 * config/avr/libgcc.S: Rename library functions to start with two
7787 Add support for enhanced core.
7788 (_moqhi3): Fix typo, now _modqi3.
7789 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
7790 (__prologue_saves__): Remove test for stack adjust by 0.
7791 (__tablejump__): New.
7793 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
7794 Add multilib support.
7796 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
7798 * loop.c (prescan_loop): Don't check unknown_address_altered
7799 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
7800 to loop_store_mems as necessary.
7801 (loop_invariant_p): Don't check unknown_address_altered
7802 or unknown_constant_address_altered.
7804 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7806 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
7808 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7810 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
7811 print just the filename.
7812 * cpplex.c (_cpp_run_directive): Add additional argument, the
7813 name to give the synthetic buffer. This defaults to
7814 translated "<command line>".
7815 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7817 (_cpp_define_builtin): New function.
7818 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7819 * cpphash.h: Update prototypes.
7821 * tradcpp.c (main): Process -D and -U simultaneously, in the
7822 order they appeared on the command line.
7824 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7826 * c-decl.c (define_label): Call warning_with_file_and_line and
7827 error_with_file_and_line instead of plain warning or error.
7829 * c-parse.in (label): Use save_filename/save_lineno to ensure
7830 correct values for calls to define_label.
7832 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7834 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
7836 * expr.c (expand_expr, case TARGET_EXPR): Don't call
7838 * tree.h (get_file_function_name): Remove two duplicate
7841 2000-08-28 Kazu Hirata <kazu@hxi.com>
7843 * tree.c: Fix formatting.
7845 * xcoffout.c: Fix formatting.
7847 2000-08-28 Jason Merrill <jason@redhat.com>
7849 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
7851 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7853 * dwarf2out.c (dwarf2out_finish): Don't bother calling
7854 break_out_includes if it won't do anything.
7856 2000-08-28 Richard Henderson <rth@cygnus.com>
7858 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
7859 (find_reloads): Likewise.
7860 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
7861 (reload_inhi): Likewise.
7863 2000-08-28 Richard Henderson <rth@cygnus.com>
7865 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
7866 (call_insn_operand): Don't expect a surrounding mem.
7867 (constant_call_address_operand): Likewise.
7868 * config/i386/i386.h (PREDICATE_CODES): Update.
7869 * config/i386/i386.md (call patterns): Move the match_operand
7870 for the call destination inside the mem.
7872 2000-08-28 Richard Henderson <rth@cygnus.com>
7874 * local-alloc.c (requires_inout): Don't use reserved range for
7875 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
7876 * recog.c (asm_operand_ok): Likewise.
7877 (preprocess_constraints, constrain_operands): Likewise.
7878 * regclass.c (record_reg_classes): Likewise.
7879 * reload.c (find_reloads): Likewise.
7880 * reload1.c (maybe_fix_stack_asms): Likewise.
7881 (reload_cse_simplify_operands): Likewise.
7882 * stmt.c (expand_asm_operands): Likewise.
7884 * md.texi: Update constraints documentation.
7885 * tm.texi (EXTRA_CONSTRAINT): Update.
7887 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7889 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
7890 (print_die): If we don't know the offset of the
7891 target die, try the symbol. Add a trailing newline.
7892 (reverse_all_dies): New fn.
7893 (dwarf2out_finish): Call it.
7894 (break_out_includes): Reorganize for clarity.
7895 (add_sibling_attributes): Don't call reverse_die_lists.
7896 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
7898 * flags.h: Add flag_eliminate_dwarf2_dups.
7899 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
7901 2000-08-28 Jason Merrill <jason@redhat.com>
7903 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
7904 * dwarf2out.c: #include "md5.h".
7905 (DIE_LABEL_PREFIX): New macro.
7906 (dw_val_struct): Add 'external' flag to val_die_ref.
7907 (add_AT_die_ref, AT_ref): Adjust.
7908 (AT_ref_external, set_AT_ref_external): New fns.
7909 (build_abbrev_table): Call set_AT_ref_external.
7910 (value_format): Call AT_ref_external.
7911 (die_struct): Add die_symbol field.
7912 (new_die): Clear it.
7913 (dwarf_tag_name): Handle BINCL/EINCL.
7914 (dwarf2out_start_source_file): Add BINCL DIE.
7915 (dwarf2out_end_source_file): Add EINCL DIE.
7916 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
7917 (loc_checksum, attr_checksum, die_checksum): New fns.
7918 (is_type_die, is_comdat_die, is_symbol_die): New fns.
7919 (compute_section_prefix, assign_symbol_names): New fns.
7920 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
7921 (output_die): Call output_die_symbol and AT_ref_external.
7922 (output_comdat_comp_unit): New fn, split out from...
7923 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
7925 (output_pubnames, output_aranges): Abort if we see entries from
7927 * toplev.h: Declare file_name_nondirectory.
7928 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
7929 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
7930 (debug_start_source_file): Call dwarf2out_start_source_file
7931 regardless of debug verbosity.
7932 (debug_end_source_file): Similarly.
7933 * tree.h: Declare clean_symbol_name.
7934 * tree.c (clean_symbol_name): Split out from...
7935 (get_file_function_name_long): ...here.
7937 * dwarf2out.c (new_loc_descr): Use calloc.
7938 (splice_child_die): Remove the die from the right parent.
7939 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
7941 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7943 * toplev.c (decode_g_option): Don't give warning for unknown -g
7944 option; return 0 instead.
7945 (main): If -g option is not recognized by front end or
7946 language-independent code, give warning.
7948 2000-08-28 Greg McGary <greg@mcgary.org>
7950 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
7951 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
7952 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
7954 2000-08-27 Greg McGary <greg@mcgary.org>
7956 * cpplex.c (parse_string): Don't look for backslash
7957 before first char in `namebuf'.
7958 * loop.c (strength_reduce): Skip NOTEs.
7960 2000-08-27 Jason Merrill <jason@redhat.com>
7962 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
7963 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
7964 TREE_ASM_WRITTEN, either.
7965 (finish_decl): Adjust.
7967 2000-08-28 Philipp Thomas <pthomas@suse.de>
7969 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
7970 they have been incorporated into the gettext CVS. Change the text to
7971 reflect the current status of NLS. Add instructions for accessing
7972 the gettext CVS and add the patch from Martin v. Loewis.
7974 2000-08-27 Geoff Keating <geoffk@cygnus.com>
7976 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
7977 by using gen_lowpart_common.
7978 (movdi_internal64+6): Likewise.
7980 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
7982 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
7985 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
7986 numbers to the ranges used by GDB.
7988 2000-08-25 Richard Henderson <rth@cygnus.com>
7990 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
7991 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
7992 (ia64_expand_prologue): Likewise.
7993 (ia64_setup_incoming_varargs): Set it. Properly skip the current
7994 argument for stdargs.
7996 2000-08-25 Jason Merrill <jason@redhat.com>
7998 * integrate.c (expand_inline_function): Pull out the original decl.
8000 2000-08-25 Jim Wilson <wilson@cygnus.com>
8002 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
8004 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
8006 2000-08-25 Greg McGary <greg@mcgary.org>
8008 * flow.c (dump_edge_info): Use ARRAY_SIZE.
8009 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
8011 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
8013 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
8015 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
8017 * i386.c (ix86_find_base_term): New.
8018 * i386-protos.h (ix86_find_base_term): Prototype.
8019 * i386.h (FIND_BASE_TERM): Define.
8020 * alias.c (find_base_term): Use it.
8021 * tm.texi (FIND_BASE_TERM): Document it.
8023 * alias.c (true_dependence, write_dependence_p): Unchanging
8024 memory can't conflict with non-unchanging memory.
8026 * alias.c (memrefs_conflict_p): A BLKmode reference
8027 to a symbol (or CONST_INT address) always conflicts
8028 with a reference to another symbol.
8030 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
8032 * c-common.c (time_char_table): Don't allow width and flags with
8035 2000-08-25 Jakub Jelinek <jakub@redhat.com>
8037 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
8038 way as LT and LTU when the second operand has 0 in low word.
8040 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8042 * basic-block.h (struct loop): Rename `exits' field to
8043 `exit_edges'. Add `entry_edges' and `num_entries' fields.
8045 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
8046 (flow_loop_entry_edges_find): Add.
8047 (flow_edge_list_print): Rename from flow_exits_print.
8048 (flow_loops_find): Call flow_loop_entry_edges_find.
8049 (flow_loop_dump): Dump entry_edges list.
8050 (flow_loops_free): Free entry_edges.
8052 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8054 * loop.c (loop_dump_aux, debug_loop): New functions.
8055 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
8057 * flow.c (flow_loops_dump): Add callback parameter.
8058 (flow_loop_dump): Add callback parameter and call it. Move
8059 loop note debugging code to loop_dump_aux.
8061 * basic-block.h (flow_loop_dump): Add callback parameter
8062 (flow_loops_dump): Likewise.
8064 * toplev.c (rest_of_compilation): Add NULL callback function pointer
8065 to call to flow_loops_dump.
8067 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8069 * loop.c (count_loop_regs_set): Replace start and end arguments
8070 with loop argument. All callers udated.
8072 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8074 * loop.c (constant_high_bytes): Delete.
8076 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8078 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
8079 and NOTE_INSN_LOOP_VTOP to...
8080 (find_and_verify_loops) ...here.
8082 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
8084 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
8085 (fini_dummy, init_dummy): Use it.
8087 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
8089 * cpplex.c (is_macro_disabled): Caller has already checked
8090 that we're not a preprocessed file.
8092 2000-08-24 Mark Mitchell <mark@codesourcery.com>
8094 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
8095 (c-iterate.o): Remove target.
8096 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
8097 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
8098 (finish_decl): Don't handle iterators.
8099 (grokdeclarator): Likewise.
8100 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
8101 * gcc/c-gperf.h: Regenerated.
8102 * gcc/c-iterate.c: Removed.
8103 * gcc/c-lex.c (init_lex): Don't handle iterators.
8104 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
8105 (compstmt_primary_start): Remove push_iterator_stack call.
8106 (stmt): Don't allow iterator statements. Replace iterator_expand
8107 with expand_expr_stmt.
8108 (all_iter_stmt): Remove.
8109 (all_iter_stmt_simple): Likewise.
8110 (all_iter_stmt_with_decl): Likewise.
8111 * gcc/c-tree.h (ITERATOR_P): Remove.
8112 (ITERATOR_BOUND_P): Likewise.
8113 (init_iterators): Remove declaration.
8114 (iterator_expand): Likewise.
8115 (iterator_for_loop_start): Likewise.
8116 (iterator_for_loop_end): Likewise.
8117 (iterator_for_loop_record): Likewise.
8118 (push_iterator_stack): Likewise.
8119 (pop_iterator_stack): Likewise.
8120 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
8121 (readonly_warning): Likewise.
8122 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
8124 2000-08-24 Jim Wilson <wilson@cygnus.com>
8126 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
8127 Copy type in a TYPE_DECL, just like pushdecl does.
8129 2000-08-24 Richard Henderson <rth@cygnus.com>
8131 * toplev.c (main): Enable flag_reorder_blocks at -O2.
8133 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8135 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
8136 asked for one page, allocate GGC_QUIRE_SIZE of them and put
8137 the extras on the free list.
8138 (release_pages): Clean up.
8139 (ggc_set_mark): Don't adjust G.allocated here...
8140 (sweep_pages): ... do it here.
8142 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8144 * cppfiles.c (read_include_file): Rearrange initializations.
8146 2000-08-24 Richard Henderson <rth@cygnus.com>
8148 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
8150 * config/ia64/ia64-protos.h: Update.
8151 * config/ia64/ia64.c (gr_register_operand): New.
8152 (fr_register_operand, grfr_register_operand): New.
8153 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
8154 (grfr_reg_or_8bit_operand): New.
8155 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
8156 use gr_register_operand.
8157 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
8158 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
8159 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
8160 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
8161 (fr_reg_or_fp01_operand): Likewise.
8162 (not_postinc_memory_operand): New.
8163 (ia64_split_timode): Remove unused variables.
8164 (rtx_needs_barrier): Check arguments to cmpxchg.
8165 (builtin_description): Remove.
8166 (bdesc_2argsi, bdesc_2argdi): Remove.
8167 (ia64_init_builtins): Declare all builtins directly.
8168 (ia64_expand_fetch_and_op): Rewrite to be called from
8169 ia64_expand_builtin directly. Use expand_binop and co.
8170 (ia64_expand_op_and_fetch): Likewise.
8171 (ia64_expand_compare_and_swap): Likewise.
8172 (ia64_expand_binop_builtin): Remove.
8173 (ia64_expand_lock_test_and_set): New.
8174 (ia64_expand_lock_release): New.
8175 (ia64_expand_builtin): Use them.
8176 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
8177 (EXTRA_CONSTRAINT): Use it.
8178 (PREDICATE_CODES): Update.
8179 * config/ia64/ia64.md (*): Use gr_register_operand and co.
8180 (mf): Indicate that we set memory as well as use it.
8181 (fetchadd_acq_si): Show memory being modified as well.
8182 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
8183 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
8184 (lock_test_and_set_si, lock_test_and_set_di): Remove.
8185 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
8186 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
8187 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
8188 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
8189 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
8190 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
8191 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
8192 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
8193 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
8194 return type. Pretty print definitions.
8196 2000-08-24 Jim Wilson <wilson@cygnus.com>
8198 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
8199 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
8201 2000-08-24 Jason Merrill <jason@redhat.com>
8203 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
8204 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
8205 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
8206 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
8208 2000-08-24 Greg McGary <greg@mcgary.org>
8210 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
8211 and extendtab within their proper array boundaries.
8212 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
8213 for the entire array.
8215 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
8216 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
8217 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
8218 * config/fr30/fr30.c (fr30_print_operand): Likewise.
8219 * config/i386/dgux.c (output_options): Likewise.
8220 * config/i386/dgux.h (ASM_FILE_START): Likewise.
8221 * config/m88k/m88k.c (output_options): Likewise.
8222 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
8223 * config/mcore/mcore.c (mcore_output_inline_const_forced,
8224 layout_mcore_frame, handle_structs_in_regs): Likewise.
8225 * config/mips/mips.c (output_block_move): Likewise.
8226 * config/rs6000/rs6000.c (rs6000_override_options,
8227 rs6000_file_start): Likewise.
8228 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
8229 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
8230 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
8231 * builtins.c (expand_builtin_setjmp): Likewise.
8232 * expr.c (safe_from_p): Likewise.
8233 * flow.c (life_analysis): Likewise.
8234 * fold-const.c (size_int_type_wide): Likewise.
8235 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
8236 * genattrtab.c (make_length_attrs): Likewise.
8237 * genopinit.c (gen_insn): Likewise.
8238 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
8239 * global.c (global_alloc): Likewise.
8240 * local-alloc.c (find_free_reg): Likewise.
8241 * mips-tdump.c (print_symbol): Likewise.
8242 * mips-tfile.c (parse_def, parse_input): Likewise.
8243 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
8244 * stmt.c (expand_nl_goto_receiver): Likewise.
8245 * stor-layout.c (set_sizetype): Likewise.
8246 * varasm.c (decode_reg_name): Likewise.
8247 * toplev.c (decode_f_option, decode_W_option,
8248 set_target_switch, print_switch_values): Likewise.
8249 (NUM_ELEM): Remove macro.
8250 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
8252 2000-08-24 Greg McGary <greg@mcgary.org>
8254 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
8255 (MAIN_NAME_P, main_identifier_node): New macros.
8256 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
8257 * c-decl.c (start_decl, grokdeclarator, start_function,
8258 store_parm_decls, finish_function): Use MAIN_NAME_P.
8259 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
8260 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
8261 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8262 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
8264 2000-08-24 Greg McGary <greg@mcgary.org>
8266 * cppfiles.c (actual_directory): Don't write beyond `dir'
8267 when it contains "".
8268 * real.c (asctoeg): Stay within bounds of etens[][].
8270 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8272 * dependence.c (dependence_string, direction_string,
8273 dump_one_node, dump_node_dependence): Hide unused identifiers.
8274 (get_low_bound, normalize_coefficients): Match definition to
8276 (get_one_coefficient): Initialize variables `value0_is_idx' and
8278 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
8279 (ziv_test): Delete variable `idx', use parameter `sub' instead.
8280 (direction_merge): Avoid automatic aggregate initialization.
8281 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
8282 Initialize variables `dest_idx' and `src_idx'.
8283 (end_dependence_analysis): Avoid C89 style function definition.
8285 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
8287 * c-common.c (time_char_table): Don't allow width with %F.
8288 (check_format_info): Don't allow "Z" length with scanf.
8290 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
8292 * diagnostic.c (finish_diagnostic): Define.
8293 (output_do_printf): Use wrap_text instead of output_add_string.
8294 (default_print_error_function): Avoid embedded '\n'.
8296 * diagnostic.h (flush_diagnostic_buffer): Declare.
8298 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
8300 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
8302 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
8304 * Makefile.in (GCC_PASSES): Add specs.
8306 2000-08-23 Jim Wilson <wilson@cygnus.com>
8308 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
8309 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
8310 EHANDLER nor UHANDLER bit is set.
8311 (__get_except_table): Likewise.
8313 2000-08-23 Nick Clifton <nickc@redhat.com>
8315 * config/arm/lib1funcs.asm: Replace upper case condition codes
8316 with lower case versions.
8318 * config/arm/arm.h (STRUCT_VALUE): Define.
8319 (STRUCT_VALUE_REGNUM): Delete.
8321 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
8323 * cpphash.h (IN_I): New flag for directive table.
8324 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
8326 (_cpp_check_directive): If -fpreprocessed, execute directives
8327 marked with IN_I. Issue no warnings in this case.
8328 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
8330 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
8332 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
8334 (check_format_info): Support printf 'I' flag; warn about it with
8337 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
8339 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
8340 barrier can't be ignored by the alias analysis code.
8342 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
8344 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
8345 works inside fixincl.
8347 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
8349 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
8350 simplify_relational_operation() unless both operands are of
8352 * cse.c (fold_rtx): Likewise.
8354 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
8356 * rtlanal.c (rtx_unstable_p): The pic register is stable
8357 (within one function) and the actual rtx should be used
8358 when checking the registers.
8359 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
8361 * alias.c (true_dependence, write_dependence_p): Fix
8362 bug in previous patch.
8364 * i386.c (ix86_GOT_alias_set): New.
8365 (legitimize_pic_address): Use it.
8367 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
8368 only stable if its address is stable.
8369 (rtx_varies_p): An unchanging MEM can't vary if
8370 its address doesn't vary.
8372 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8374 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
8376 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8378 * vax.h (ASM_SPEC): Pass `-J' to assembler.
8379 * x-vax-gcc: New file for bootstrapping with gcc.
8380 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
8381 * configure.in: Use x-vax-gcc with gcc.
8382 * configure: Rebuilt.
8384 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8386 * toplev.c (rest_of_compilation): Rebuild label notes after
8387 post-reload splitting pass if new labels have been created.
8389 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8391 * diagnostic.h (output_buffer_state): New macro.
8392 * diagnostic.c (diagnostic_for_decl, sorry,
8393 default_print_error_function, output_do_verbatim,
8394 report_diagnostic, report_problematic_module): Use it.
8396 (output_format): Use wrap_text instead of maybe_wrap_text.
8398 2000-08-22 Nick Clifton <nickc@redhat.com>
8400 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
8401 Common code for ARM divide and modulus functions.
8402 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
8404 (FUNC_END): New macro: Common code at the end of the division and
8406 (THUMB_FUNCTION_START): New macro: Common code at the start of
8408 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
8410 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
8412 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
8414 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
8415 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
8418 2000-08-22 Nick Clifton <nickc@redhat.com>
8420 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
8421 restorative additions, test for bottom bits of IP being set,
8422 rather than relying upon the RORs not matching.
8425 2000-08-22 David Edelsohn <edelsohn@gnu.org>
8427 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
8428 text_section() as appropriate instead of emitting text csect
8430 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
8431 (UNIQUE_SECTION): Define macro.
8432 (ASM_OUTPUT_SECTION_NAME): Define macro.
8433 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
8434 on AIX if debugging and -fdata-sections always.
8436 2000-08-22 Steven King <sxking@uswest.net>
8438 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
8440 (LDBL_MAX): Same here.
8442 2000-08-22 Richard Henderson <rth@cygnus.com>
8444 * flow.c (tidy_fallthru_edge): Update b->end properly.
8446 2000-08-22 Stan Cox <scox@redhat.com>
8448 * Makefile.in (OBJS): Add dependence.o.
8449 * dependence.c: New file.
8451 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
8453 * calls.c (check_sibcall_argument_overlap_1): Adjust for
8455 (check_sibcall_argument_overlap): Likewise.
8457 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
8459 * invoke.texi (SH Options): Document -m4-nofpu,
8460 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
8461 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
8463 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
8465 * c-common.c (check_format_info): Give the 'some locales' warning
8466 for strftime %Ey rather than the unconditional 'only last 2 digits
8469 2000-08-22 Richard Henderson <rth@cygnus.com>
8471 * alias.c (init_alias_analysis): Do not register
8472 struct_value_incoming_rtx or static_chain_rtx as pointing
8475 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
8477 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
8479 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8481 * diagnostic.h (report_problematic_module): Declare.
8482 * diagnostic.c (report_problematic_module): New function.
8483 (report_error_function): Tweak.
8485 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8487 * stmt.c (expand_goto_internal, fixup_gotos): Only check
8488 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8490 2000-08-21 Richard Henderson <rth@cygnus.com>
8492 * flow.c (calculate_global_regs_live): Mark frame pointer live
8493 everywhere before reload.
8495 2000-08-21 Jim Wilson <wilson@cygnus.com>
8497 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
8498 INTEL_EXTENDED_IEEE_FORMAT.
8499 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
8500 clear last two bytes of output FP value.
8502 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
8504 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
8506 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8508 * unroll.c (loop_find_equiv_value): If ret is modified between
8509 insn and loop_start, ret might not be equivalent to reg.
8511 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8513 * c-common.c (init_dollar_format_checking,
8514 maybe_read_dollar_number, finish_dollar_format_checking): New
8516 (dollar_arguments_used, dollar_arguments_count,
8517 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
8519 (check_format_info): Support $ formats for scanf and printf width
8520 and precision. Always increment format_chars to advance past the
8521 '*' of precision, not just when the format parameters are
8524 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8526 * mips.c (block_move_loop, expand_block_move,
8527 function_arg_partial_nregs, save_restore_insns, function_prologue,
8528 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
8530 (function_arg_advance, function_arg): Match argument to format
8533 2000-08-21 Nix <nix@esperi.demon.co.uk>
8535 * gcc.c (do_spec_1): Implement %j spec flag.
8536 Remove dead comment.
8538 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
8539 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
8540 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
8541 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
8543 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
8544 writable) instead of hardcoded value.
8546 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
8548 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
8551 * gcc.c (cc1_options): Do not process -o or run the assembler if
8553 * objc/lang-spec.h: Likewise.
8555 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
8557 * fixinc/fixincl.c (fix_with_system): Pipe the output of
8558 "external" fixes through `cat', to avoid truncating the input
8559 file by redirection.
8561 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8563 * config/i386/i386.md (lea_general_1): Copy insn condition to split
8565 (lea_general_2, lea_general_3): Likewise.
8567 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8569 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
8570 warnings to user code.
8572 * c-lex.c (readescape, yylex): Likewise.
8574 * c-typeck.c (store_init_value, process_init_element): Likewise
8575 (c_expand_start_case): Format.
8577 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
8579 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
8581 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
8582 and linker_endian_spec to endian_spec.
8583 (ENDIAN_SPEC): Add %{EB} and %{EL}.
8584 (LINK_SPEC): Remove %{EB} and %{EL}.
8585 (ASM_SPEC): Likewise. Use %(endian_spec).
8587 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8589 * c-tree.h (flag_hosted): Move declaration from here...
8590 * c-common.h (flag_hosted): ... to here.
8591 (flag_noniso_default_format_attributes): New declaration.
8592 * c-decl.c (flag_noniso_default_format_attributes): New variable.
8593 (c_decode_option): Set it appropriately for options choosing
8594 language standard variant.
8595 * c-common.c (init_function_format_info): Only provide default
8596 format attributes if flag_hosted. Only provide the gettext
8597 formats if flag_noniso_default_format_attributes. Update
8599 (check_format_info): Disable treatment of %a as a scanf flag in
8602 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8604 * c-common.c (scan_char_table): Add 'w' to flags for all formats
8606 (check_format_info): Set 'wide' for scanf format widths. Warn for
8607 a zero scanf width. Make the check for writing into a constant
8608 object at the first level of indirection; at later levels, warn if
8609 any type qualifiers are encountered.
8611 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
8613 * reload.c (reload_inner_reg_of_subreg): New function broken out of
8615 (push_reload): Use reload_inner_reg_of_subreg.
8616 (combine_reloads): Do not combine reloads if the input reload
8617 is a SUBREG in which the inner part will need reloading.
8619 * global.c (global_alloc): Avoid passing dumpfile argument to
8621 * toplev.c (rest_of_compilation): Likewise.
8622 * reload.h (reload): Remove dumpfile argument. Callers changed.
8623 (debug_reload, debug_reload_to_stream): Move prototypes here.
8624 * rtl.h (reload): Remove dumpfile argument.
8625 * reload.c (debug_reload): Remove prototype.
8626 (debug_reload_to_stream): Likewise.
8627 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
8630 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8632 * diagnostic.c (context_as_prefix): Export.
8633 (need_error_newline): Remove.
8634 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
8635 (error_module_changed, record_last_error_module,
8636 error_function_changed, record_last_error_function): New functions.
8637 (initialize_diagnostics): Default intialize
8638 lang_diagnostic_starter, lang_diagnostic_finalizer.
8639 (init_output_buffer): Tweak.
8640 (file_name_as_prefix): New function.
8641 (announce_function, default_print_error_function,
8642 report_error_function, set_diagnostic_context): Tweak.
8644 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
8646 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
8647 condition expression.
8649 2000-08-20 Richard Henderson <rth@cygnus.com>
8651 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
8653 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
8655 * cppinit.c (cpp_init): Set global flag when called.
8656 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
8658 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
8660 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
8661 before `process_directive' so that newlines won't be missed
8663 (cpp_printf): Increment `print->lineno' when newline is emitted.
8665 * cppmain.c (cb_ident): Likewise.
8666 (cb_define): Likewise.
8667 (cb_undef): Likewise.
8668 (cb_include): Likewise.
8669 (cb_def_pragma): Likewise.
8670 (dump_macros_helper): Likewise.
8672 2000-08-20 Richard Henderson <rth@cygnus.com>
8674 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
8675 assigned before a loop.
8677 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
8678 (ashrsi3, lshrsi3): Likewise.
8680 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8682 * c-lang.c: #include diagnostic.h
8683 (c_tree_printer): New function.
8684 (lang_init): Initialize lang_printer.
8686 * Makefile.in (c-lang.o): Depends on diagnostic.h
8688 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8690 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
8692 * diagnostic.c (default_diagnostic_starter,
8693 default_diagnostic_finalizer): New functions.
8694 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
8695 (pedwarn, pedwarn_with_file_and_line, error,
8696 error_with_file_and_line, fatal, warning,
8697 warning_with_file_and_line): Adjust call to report_diagnostic.
8698 (report_diagnostic): Rework.
8699 (set_diagnostic_context): New function.
8701 * diagnostic.h (struct diagnostic_context): New data structure.
8702 (diagnostic_message, diagnostic_argument_list,
8703 diagnostic_file_location, diagnostic_line_location,
8704 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
8705 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
8706 (set_diagnostic_context): Declare.
8707 (report_diagnostic): Change prototype.
8709 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
8711 * fix-header.c (main): Initialize cpplib.
8713 2000-08-19 Michael Meissner <meissner@redhat.com>
8715 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
8716 instructions in it before checking for indirect jumps.
8718 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
8719 in a indirect jump as a potential for conditional execution.
8721 * d30v.h (d30v_init_expanders): Don't declare here.
8722 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
8725 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
8727 * cpp.texi: Add @section for assertions.
8729 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
8731 * loop.c (scan_loop): Use CONST_CALL_P instead of
8732 checking for REG_LIBCALL / REG_RETVAL.
8734 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
8736 * reload1.c (reload_as_needed): Accept dumpfile argument,
8737 pass it to emit_reload_insns.
8738 (emit_reload_insns): Add new dumpfile argument. If non-null
8739 then dump the reloads for each insn into the dumpfile.
8740 (reload): Pass dumpfile to reload_as_needed.
8742 * invoke.texi: Clean up linux-gnu vs linux comments.
8744 2000-08-19 Richard Henderson <rth@cygnus.com>
8746 * config/ia64/ia64.c (reg_or_5bit_operand): New.
8747 (ia64_depz_field_mask): New.
8748 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
8749 (PREDICATE_CODES): Update.
8750 * config/ia64/ia64.md: Update commentary.
8751 (depz_internal): New.
8752 (ashlsi3): Implement directly.
8753 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
8754 (ashldi3): Use shladd.
8755 * config/ia64/ia64-protos.h: Update.
8757 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8759 * toplev.c (independent_decode_option): Always process -g.
8760 Remove third argument, now unused. Adjust caller to match.
8762 2000-08-18 Richard Henderson <rth@cygnus.com>
8764 * combine.c (make_compound_operation): Break after creating
8767 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8769 * cpplib.c (cpp_register_pragma_space): Just return if the
8770 namespace is already registered.
8772 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
8774 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
8775 constant amount. Do not generate ROTL instruction.
8777 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
8779 * config/sh/elf.h: Do not include sh/sh.h.
8780 * config/sh/rtems.h: Likewise.
8781 * config/sh/rtemself.h: Do not include sh/elf.h.
8782 * configure.in: Get them included with `tm_file's.
8783 * configure: Rebuilt.
8785 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
8786 * config/sh/sh.c (fpscr_set_from_mem): Use them.
8788 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8790 * stor-layout.c (compute_record_type): Don't use mode of single
8791 field as mode of record if not integer mode of same type.
8793 * regmove.c (perhaps_ends_bb_p): New function.
8794 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
8795 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
8796 (fixup_match_1): Likewise.
8797 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8798 avoid signed/unsigned warnings.
8800 * function.c (fixup_var_refs_1, case MEM): Update CODE after
8803 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
8805 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
8806 (_cpp_trigraph_map): Declaration moved from cpplex.c
8808 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
8809 instead of 256. Use consistent test for designated initializers.
8810 (cpp_init): Initialize trigraph_map.
8811 (initialize_standard_includes, parse_option): Use memcmp
8814 * cpplex.c (init_trigraph_map): Remove.
8815 (trigraph_ok, trigraph_replace, lex_line): Refer to
8818 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8819 (do_unassert): Remove unused "next" local.
8821 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8823 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8825 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8828 2000-08-17 Richard Henderson <rth@cygnus.com>
8830 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8831 the first insn in a sequence.
8833 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
8835 * alias.c (true_dependence, write_dependence_p): A read
8836 involving a label_ref or the constant pool doesn't create
8839 * rtl.h (unchanging): Improve documentation.
8841 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
8843 * cse.c (insert_regs): Remove unused `regno'.
8845 2000-08-17 Neil Booth <NeilB@earthling.net>
8847 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
8848 remove_dup_dirs. If qtail == brack, remove brack not
8850 (remove_dup_dir, remove_dup_dirs): New functions.
8852 2000-08-17 Neil Booth <NeilB@earthling.net>
8854 * cppinit.c (cpp_cleanup): Free include dir chains.
8855 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
8856 (do_unassert): Free the assert with _cpp_free_definition.
8857 * cppmacro.c (_cpp_free_definition): Free memory allocated for
8858 assertions. Make the node a T_VOID node.
8860 2000-08-17 Neil Booth <NeilB@earthling.net>
8862 * cppinit.c (path_include, append_include_chain):
8863 Remove 2nd parameter (struct cpp_pending *).
8864 (path_include, initialize_standard_includes, cpp_handle_option):
8865 Update callers appropriately.
8866 (cpp_handle_option): Use pend.
8868 2000-08-17 Neil Booth <NeilB@earthling.net>
8870 * cppinit.c (sort_options): Remove, put functionality in
8873 (initialize_builtins): Free memory.
8874 (cpp_start_read): Move init_IStable to cpp_init.
8876 * cpplib.h (cpp_init): New prototype.
8877 * cppmain.c (main): Call cpp_init.
8879 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
8881 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
8882 (rtx_unstable_p, rtx_varies_p): Process vectors.
8884 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8886 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
8887 references to GLOBAL symbols. Use LOCAL where appropriate.
8889 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8891 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
8892 use t-aix41 when host == target.
8894 2000-08-16 Richard Henderson <rth@cygnus.com>
8896 * reload.c (push_secondary_reload): Revert last change.
8897 If we use a reload_in/out pattern, make the when the same
8898 as the primary reload.
8899 (find_reloads): Likewise.
8901 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
8903 * configure.in (libstdcxx-v3): Fix test.
8904 * configure: Regenerate.
8906 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8908 * calls.c (calls_function_1, expand_call): Only test
8909 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8910 * function.c (thread_prologue_and_epilogue_insns): Likewise.
8912 2000-08-16 Richard Henderson <rth@cygnus.com>
8914 * combine.c (simplify_shift_const): Revert previous two
8915 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
8916 before the main loop.
8918 2000-08-15 Richard Henderson <rth@cygnus.com>
8920 * combine.c (simplify_shift_const): Bound shift count when
8923 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8925 * calls.c (ECF_SP_DEPRESSED): New macro.
8926 (calls_function_1): Treat calling sp-depressed function as alloca.
8927 (emit_call_1): Don't adjust SP if calling sp-depressed function.
8928 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
8929 If sp-depressed, ensure block saves and restores SP.
8930 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
8932 * function.c (keep_stack_depressed): New function.
8933 (thread_prologue_and_epilogue_insns): Call it.
8934 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
8935 to print DECL_OFFSET_ALIGN.
8936 Print no-force-blk and transparent-union flags properly.
8937 * stmt.c (expand_goto_internal): Don't restore stack if last block
8938 and function returns with sp depressed.
8939 (fixup_gotos): Likewise.
8940 (save_stack_pointer): New function, from code in expand_decl.
8941 (expand_decl): Call new function.
8942 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
8943 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
8944 (save_stack_pointer): New declaration.
8946 * diagnostic.c (fatal_function): New variable.
8947 (set_fatal_function): New function.
8949 * diagnostic.h (set_fatal_function): New declaration.
8951 2000-08-15 William Cohen <wcohen@redhat.com>
8953 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
8954 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
8955 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
8957 2000-08-15 Richard Henderson <rth@cygnus.com>
8959 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
8961 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8963 * arm.c (arm_function_ok_for_sibcall): New function.
8964 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
8965 * arm.md (call expanders): Don't check here for calls that can't
8968 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8970 * arm.md (splits generating cond_exec): Disable.
8972 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8974 * arm/linux-elf.h (text_section): Delete declaration.
8976 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8978 ARM support for unordered FP operations.
8979 * arm-protos.h (arm_comparison_operator): Declare.
8980 * arm.c (arm_comparison_operator): New function.
8981 (arm_select_cc_mode): Add unordered comparison codes.
8982 (get_arm_condition_code): Likewise.
8983 (arm_final_prescan_insn): Can't handle unordered jumps that can't
8984 be done in one insn.
8985 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
8986 * arm.md (all uses of comparison_operator): Replace with
8987 arm_comparison_operator.
8988 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
8990 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
8993 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8995 * gthr-posix.h: Conditionally include <sched.h>; include
8996 <config.h> from libobjc/.
8998 2000-08-14 Richard Henderson <rth@cygnus.com>
9000 * config/i386/i386.c (legitimize_pic_address): Use Pmode
9003 2000-08-14 Richard Henderson <rth@cygnus.com>
9005 * configure.in (ia64-*): Set float_format for i386 long double.
9007 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
9008 as we would for i386 XFmode.
9009 (PUT_REAL): Likewise.
9010 (endian, ereal_atof, real_value_truncate): Likewise.
9011 (ereal_isneg, toe64, etens, make_nan): Likewise.
9012 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
9014 * config/ia64/ia64-protos.h: Update.
9015 * config/ia64/ia64.c (general_tfmode_operand): New.
9016 (destination_tfmode_operand): New.
9017 (tfreg_or_fp01_operand): New.
9018 (ia64_split_timode): New.
9019 (spill_tfmode_operand): New.
9020 (ia64_expand_prologue): Use TFmode not XFmode.
9021 (ia64_expand_epilogue): Likewise.
9022 (ia64_function_arg): Likewise.
9023 (ia64_function_arg_advance): Likewise.
9024 (ia64_return_in_memory): Likewise.
9025 (ia64_function_value): Likewise.
9026 (ia64_print_operand): Likewise.
9027 (ia64_register_move_cost): Set GR<->FR to 5.
9028 (ia64_secondary_reload_class): Get GR for TImode memory op.
9029 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
9030 (ROUND_TYPE_ALIGN): Remove.
9031 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
9032 (INTEL_EXTENDED_IEEE_FORMAT): Define.
9033 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
9034 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
9035 (MODES_TIEABLE_P): Use TFmode, not XFmode.
9036 (CLASS_MAX_NREGS): Likewise.
9037 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
9038 (PREDICATE_CODES): Update.
9039 * config/ia64/ia64.md (movti): New.
9040 (movti_internal): Use a clobber for memory alternatives.
9041 (reload_inti, reload_outti): New.
9042 (movsfcc_astep): Predicate properly.
9043 (movdfcc_astep): Likewise.
9046 (extendsftf2, extenddftf2): New.
9047 (trunctfsf2, trunctfdf2): New.
9048 (floatditf2, fix_trunctfdi2): New.
9049 (floatunsditf2, fixuns_trunctfdi2): New.
9050 (addtf3, subtf3, multf3, abstf2): New.
9051 (negtf2, nabstf2, mintf3, maxtf3): New.
9052 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
9054 (fr_spill): Use TFmode, not XFmode.
9055 (fr_restore): Likewise.
9056 * config/ia64/lib1funcs.asm (__divtf3): New.
9057 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
9059 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9061 * cse.c (fold_rtx): Avoid empty body in an if-statement.
9063 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
9064 `U' integer constant suffix.
9066 * dwarf2out.c (add_subscript_info): Avoid empty body in an
9069 * sparc/sol2.h (__enable_execute_stack): Prototype.
9071 2000-08-14 David Edelsohn <edelsohn@gnu.org>
9073 * collect2.c: Remove use of AIX import file.
9075 * longlong.h: Test ARCH_PWR not ARCH_POWER.
9077 * rs6000.c (print_operand, case 'E'): Add else.
9079 2000-08-14 Richard Henderson <rth@cygnus.com>
9081 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
9082 (movdi_symbolic): New.
9084 2000-08-14 Jim Wilson <wilson@cygnus.com>
9086 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9087 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
9088 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9091 2000-08-14 Richard Henderson <rth@cygnus.com>
9093 * expr.c (emit_group_load): Don't force constants into registers.
9094 Special case source already in the correct mode.
9096 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
9098 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
9099 * fixinc/inclhack.def: Likewise.
9100 * fixinc/mkfixinc.sh: Likewise.
9101 * configure: Regenerate.
9102 * fixinc/fixincl.x: Regenerate.
9103 * install.texi: Document equivalence of linux and linux-gnu.
9105 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9107 * cse.c (insert_regs): Also in REG case: When finding an invalid
9108 value, and we make a new quantity, make sure that it won't be
9109 mistaken by for a valid one by mention_regs.
9111 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
9113 * h8300.md: Remove obsolete peepholes.
9115 2000-08-13 Kazu Hirata <kazu@hxi.com>
9117 * invoke.texi (H8/300 Options): Fix typos.
9118 * config/h8300.c: Fix formatting.
9119 * config/h8300.h: Fix comment typos.
9120 (OVERRIDE_OPTIONS): Fix formatting.
9122 * function.c: Fix formatting.
9124 * cse.c: Fix formatting.
9126 2000-08-13 Geoff Keating <geoffk@cygnus.com>
9128 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
9129 (attempt_auto_inc): Suppress parentheses warning.
9130 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
9131 * loop.c (load_mems): Remove `u' suffix in two places.
9132 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
9134 * config/rs6000/rs6000.h: Likewise.
9135 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
9136 __eabi dummy routine.
9137 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
9140 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
9141 not put stuff in .sdata unnecessarily.
9142 (rs6000_unique_section): New function.
9143 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
9144 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
9146 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
9147 arrays in C99. Don't try to look at DECL_REGISTER of a
9148 COMPONENT_REF. Don't complain twice about the same error.
9150 * fixinc/inclhack.def (aix_pthread): New fix.
9151 (aix_sysmachine): New fix.
9152 * fixinc/fixincl.x: Regenerate.
9154 * expr.c (expand_expr): Call convert_modes when turning a large
9155 multiply into a small one.
9157 2000-08-12 Geoff Keating <geoffk@cygnus.com>
9159 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
9160 the tree structure an exponent rather than an explicit alignment
9161 so it doesn't overflow.
9162 (SET_DECL_OFFSET_ALIGN): New macro.
9163 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
9164 rather than DECL_OFFSET_ALIGN.
9165 (place_field): Likewise.
9166 * expmed.c (store_bit_field): Abort on align==0 to avoid
9167 antisocial machine behaviour.
9169 2000-08-12 Richard Henderson <rth@cygnus.com>
9171 * sibcall.c (uses_addressof): Accept both addressof and
9172 current_function_internal_arg_pointer inside a mem.
9173 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
9174 if current_function_uses_addressof.
9175 * stmt.c (expand_return): Kill tail recursion and HAVE_return
9178 2000-08-11 Richard Henderson <rth@cygnus.com>
9180 * config/ia64/ia64.md (addsi3): Remove expander.
9181 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
9182 (*addsi3_shladd): New.
9184 2000-08-11 Richard Henderson <rth@cygnus.com>
9186 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
9187 (do_restore): Likewise.
9188 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
9189 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
9190 (rtx_needs_barrier): Track actual bit manipulation for
9191 ar.unat moves, gr_spill, and gr_restore.
9192 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
9193 (process_set): Don't handle varargs spills.
9194 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
9195 .mem.offset here instead of in process_set.
9196 (gr_restore): Likewise.
9198 2000-08-11 Richard Henderson <rth@cygnus.com>
9200 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
9202 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9204 * gcc.texi (The Configuration File): Document
9205 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
9206 UPDATE_PATH_HOST_CANONICALIZATION.
9208 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9210 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
9211 unprototyped function pointer casts on integer constants.
9213 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
9215 * fixproto: Recognize DOS paths with drive letters as absolute paths.
9217 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
9219 * extend.texi (Volatiles): Fix typos.
9221 2000-08-11 Kazu Hirata <kazu@hxi.com>
9223 * flow.c: Fix formatting.
9225 2000-08-11 Richard Henderson <rth@cygnus.com>
9227 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
9228 pattern, always allocate a tertiary scratch register.
9230 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
9231 (reload_inhi): Likewise.
9233 2000-08-11 Richard Henderson <rth@cygnus.com>
9235 * function.c (put_reg_into_stack): Allow type to be NULL.
9236 (schedule_fixup_var_refs): Likewise.
9237 (gen_mem_addressof): Allow decl to be NULL.
9238 (put_addressof_into_stack): Likewise.
9240 * flow.c (merge_blocks_nomove): Be more careful about
9241 locating the beginning of block A.
9243 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
9245 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9250 * config.in: Reverted the check for <sched.h>.
9252 2000-08-10 Chris Demetriou <cgd@sibyte.com>
9254 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
9255 macros define the name of CTOR and DTOR sections.
9256 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9257 DTOR_LIST_END): Change to use attributes to specify
9259 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
9260 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9261 DTOR_LIST_END): Same as in mips/elf.h.
9263 2000-08-10 Drew Moseley <dmoseley@redhat.com>
9265 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
9266 disabling just crt0.o.
9268 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
9270 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
9271 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
9272 (EXTRA_SPECS): Add them.
9273 * arm/lib1funcs.asm: Support builds for interworking.
9274 Use macros to eliminate duplicated pieces of code.
9276 2000-08-10 Kazu Hirata <kazu@hxi.com>
9278 * h8300.c (expand_a_rotate): New.
9279 (emit_a_rotate): Likewise.
9280 (h8300_adjust_insn_length): Add support for the rotate insns.
9281 * h8300.md (rotlqi3): New.
9282 (*rotlqi3_1): Likewise.
9283 (rotlhi3): Likewise.
9284 (*rotlhi3_1): Likewise.
9285 (rotlhi3): Likewise.
9286 (*rotlhi3_1): Likewise.
9287 * h8300-proto.h: Add prototypes for expand_a_rotate and
9290 * h8300.c: Fix comment typos.
9291 (dosize): Declare the variable amount as unsigned.
9292 (get_shift_alg): Fix a comparison between signed and unsigned.
9293 (emit_a_shift): Likewise.
9294 (h8300_adjust_insn_length): Simplify the code.
9296 * c-decl.c: Fix formatting.
9298 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9300 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
9301 warning about non-traditional numeric constant suffixes.
9303 * cppexp.c (parse_number): Likewise.
9305 * invoke.texi: (-Wtraditional): Document new behavior.
9307 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9309 * gthr-posix.h: Include auto-host.h. Conditionally include
9311 * configure.in: Check for the <sched.h> header file.
9312 * config.in: Added define for HAVE_SCHED_H.
9314 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9316 * c-typeck.c (process_init_element): For -Wtraditional, warn about
9317 initialization of unions.
9319 * invoke.texi (-Wtraditional): Document new behavior.
9321 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
9323 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
9324 instead of extra_c_flags.
9325 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
9326 * configure: Regenerate.
9327 * config.in: Regenerate.
9329 * cpperror.c (cpp_type2name): New function.
9330 * cpplex.c (lex_line): If we issued an error for an invalid
9331 preprocessing directive, discard that logical line.
9332 * cpplib.c (do_line): Call a hook function if the current file
9333 is renamed by #line.
9334 (do_ident): Pass the contents of the string, not the entire
9335 token, to the callback function.
9336 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
9337 (cb.rename_file): New hook function.
9338 (cb.ident): Adjust prototype.
9339 (cpp_type2name): Prototype.
9340 * cppmacro.c (dump_macro_args): Correct precedence lossage.
9342 * cppmain.c (cb_ident): Update for changed interface.
9343 (cb_rename_file): New function.
9344 (main): Set rename callback.
9346 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
9348 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
9349 multi-word registers.
9351 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9353 * c-common.c (combine_strings, check_format_info): Refer to ISO C
9354 or ISO C89 instead of ANSI C.
9355 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
9356 build_enumerator, do_case): Likewise.
9357 * c-lex.c (parse_float, yylex): Likewise.
9358 * c-parse.in: Likewise.
9359 * c-typeck.c (common_type, build_array_ref, build_binary_op,
9360 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
9361 build_c_cast, convert_for_assignment, set_init_index,
9362 set_init_label, c_expand_start_case): Likewise.
9363 * toplev.c (documented_lang_options, display_help): Likewise.
9365 2000-08-08 Kazu Hirata <kazu@hxi.com>
9367 * h8300.c: Fix formatting.
9368 * h8300.h: Likewise.
9369 * h8300.md: Likewise.
9370 (movsi_h8300hs): Fix formatting of the resulting assembly code.
9372 * reload1.c: Fix formatting.
9374 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
9376 * alpha/alpha.c (alpha_emit_xfloating_libcall):
9377 Use GEN_CALL_VALUE define.
9378 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
9379 * clipper/clipper.md (untyped_call): Likewise.
9380 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
9381 * fx80/fx80.md (untyped_call): Likewise.
9382 * mips/mips.md (untyped_call): Likewise.
9383 * ns32k/ns32k.md (untyped_call): Likewise.
9384 * pa/pa.md (untyped_call): Likewise.
9385 * romp/romp.md (untyped_call): Likewise.
9386 * sparc/sparc.md (untyped_call): Likewise.
9388 2000-08-08 Jason Eckhardt <jle@cygnus.com>
9390 * config/i860/i860.c (singlemove_string): Do not generate assembler
9391 pseudo instructions that must be expanded (that is, with signed
9392 constants larger than 16 bits).
9394 2000-08-08 Richard Henderson <rth@cygnus.com>
9396 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
9397 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
9398 (init_propagate_block_info): Don't kill memory stores at -O0.
9399 (mark_set_1, mark_used_regs): Likewise.
9401 2000-08-08 David Edelsohn <edelsohn@gnu.org>
9403 * rs6000.c (optimization_options): Decorate 'level' as
9405 (mask64_operand): Remove sign-extend thinko.
9406 (rldic_operand): New function.
9407 (load_multiple_operation): regno's are unsigned ints.
9408 (store_multiple_operation): Likewise.
9409 (lmw_operation): Likewise.
9410 (stmw_operation): Likewise.
9411 (includes_lshift_p): shift_mask is unsigned int.
9412 (includes_lshift64_p): New function.
9413 (addrs_ok_for_quad_peep): unsigned int reg1.
9414 (print_operand): Consistently add "else" after
9415 output_operand_lossage().
9416 (print_operand, case 'b'): Fold in case 'W'.
9417 (print_operand, case 'W'): Print rldic MB value.
9418 (output_epilogue): Update Objective-C language string.
9419 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
9420 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
9421 * rs6000.md (ashldi3): Add rldic instruction.
9422 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
9423 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
9426 2000-08-08 Richard Henderson <rth@cygnus.com>
9428 * config/ia64/ia64-protos.h: Remove duplicates. Update
9429 for massive code rearrangements.
9430 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
9431 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
9432 (ia64_local_regs, ia64_need_regstk): Remove.
9433 (ar_ccv_reg_operand): New.
9434 (ia64_gp_save_reg): New.
9435 (struct ia64_frame_info): Combine most of the size elements;
9436 add new gr save elements.
9437 (find_gr_spill): New.
9438 (next_scratch_gr_reg): New.
9439 (mark_reg_gr_used_mask): New.
9440 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
9441 to GR backing store regs when possible.
9442 (ia64_initial_elimination_offset): New.
9443 (ia64_rap_fp_offset): Remove.
9444 (save_restore_insns): Remove.
9445 (setup_spill_pointers): New.
9446 (finish_spill_pointers): New.
9447 (spill_restore_mem): New.
9448 (do_spill, do_restore): New.
9449 (ia64_expand_prologue): Rewrite to use them.
9450 (ia64_expand_epilogue): Likewise.
9451 (ia64_direct_return): Update for current_frame_info changes.
9452 (ia64_function_prologue): Simplify .prologue emission. Emit
9454 (ia64_setup_incoming_varargs): Don't ever emit rtl.
9455 (ia64_dbx_register_number): New.
9456 (ia64_initialize_trampoline): New.
9457 (ia64_secondary_reload_class): Request GR_REGS for integer
9458 arithmetic destined for FR_REGS.
9459 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
9460 (ia64_mark_machine_status): Mark ia64_gp_save.
9461 (rws_access_regno): Rename from rws_access_reg; don't treat
9462 predicates specially.
9463 (rws_access_reg): New. Update all callers.
9464 (rtx_needs_barrier): Remove dead unspecs.
9465 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
9466 (ia64_encode_section_info): Silence signed/unsigned warnings.
9467 (spill_offset, sp_offset, spill_offset_emitted): Remove.
9468 (tmp_reg, tmp_saved): Remove.
9469 (process_set): Rewrite to expect complicated bits via
9470 REG_FRAME_RELATED_EXPR.
9471 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
9472 in the use of ar.ccv; never set RTX_UNCHANGING_P.
9473 (ia64_expand_op_and_fetch): Likewise.
9474 (ia64_expand_compare_and_swap): Likewise.
9475 (ia64_expand_builtin): Likewise.
9476 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
9477 (FIRST_PSEUDO_REGISTER): Update.
9478 (AR_M_REGNO_P): Update.
9479 (FIXED_REGS): Don't mark three local registers as used.
9480 (EXTRA_CC_MODES): New.
9481 (SELECT_CC_MODE): New.
9482 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
9483 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
9484 (FRAME_GROWS_DOWNWARD): Unset.
9485 (STARTING_FRAME_OFFSET): Zero.
9486 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
9487 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
9488 (HARD_FRAME_POINTER_REGNUM): New.
9489 (CAN_DEBUG_WITHOUT_FP): Define.
9490 (TRAMPOLINE_TEMPLATE): Remove.
9491 (TRAMPOLINE_SIZE): Lower to 32.
9492 (TRAMPOLINE_ALIGNMENT): Lower to 64.
9493 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
9494 (PREDICATE_CODES): Update.
9495 (struct machine_function): Add ia64_gp_save.
9496 * config/ia64/ia64.md: Purge unused unspecs.
9497 (movsi patterns): Allow moves to/from AR_M_REGS.
9498 (movdi patterns): Allow moves to/from p0.
9499 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
9500 (gr_spill, gr_restore): Indicate ar.unat read/written.
9501 (nonlocal_goto): Don't pass old frame_pointer.
9502 (nonlocal_goto_receiver): Remove.
9503 (exception_receiver): New.
9504 (builtin_setjmp_setup): New.
9505 (builtin_setjmp_receiver): New.
9506 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
9507 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
9508 (__ia64_restore_stack_nonlocal): Likewise.
9509 (__ia64_trampoline): New.
9510 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
9512 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
9514 2000-08-08 Richard Henderson <rth@cygnus.com>
9516 * frame.h (ia64_frame_state): Add my_psp.
9517 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
9518 (__throw): Pass it in. Don't clobber r7.
9519 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
9520 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
9521 and nothing to do with sp.
9522 (normalize_reg_loc): Use frame->my_psp.
9523 (frame_translate): Handle frame-pointer-less functions. Set
9524 spill_base correctly, in absence of being told.
9525 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
9526 (__ia64_backtrace_helper): New sp argument. Use
9527 builtin_return_address instead of label addresses.
9528 (print_record) [mem_stack_v]: No size member.
9530 2000-08-08 Richard Henderson <rth@cygnus.com>
9532 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
9534 2000-08-08 Richard Henderson <rth@cygnus.com>
9536 * tm.texi (LOCAL_REGNO): Document.
9537 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
9538 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
9539 * reload1.c (reload): Likewise when considering nonlocal labels.
9541 * config/ia64/ia64.h (LOCAL_REGNO): New.
9542 * config/sparc/sparc.h (LOCAL_REGNO): New.
9544 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9546 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
9548 2000-08-07 Nick Clifton <nickc@redhat.com>
9550 * config/mips/mips.c: Fix compile time warning messages.
9551 * config/mips/mips-protos.h: Add prototype for equality_op.
9553 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
9555 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
9557 * mn10300.md: Use nonimmediate_operand instead of general_operand
9560 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
9562 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
9564 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
9565 * sh.c (expand_block_move): Break long lines.
9566 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
9567 * sh.md (mulsi3): Likewise.
9568 (movdi): Adjust spacing.
9570 2000-08-07 Richard Henderson <rth@cygnus.com>
9572 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
9573 * expr.c (emit_group_store): Don't set it.
9575 2000-08-07 Kazu Hirata <kazu@hxi.com>
9577 * invoke.texi (Options for Debugging Your Program or GCC): Remove
9578 duplicate entries for 'w' and 'z'.
9580 * flow.c: Fix a comment typo.
9582 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9584 * c-parse.in: Changed the language string for Objective-C to "GNU
9587 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9589 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
9590 to improve the Posix thread support for Objective-C.
9592 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
9594 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
9595 CTI_UNSIGNED_PTRDIFF_TYPE.
9596 (signed_size_type_node): Define.
9597 (unsigned_ptrdiff_type_node): Define.
9598 * c-decl.c (init_decl_processing): Create the
9599 signed_size_type_node and unsigned_ptrdiff_type_node types.
9600 * c-common.c (T_SC): Define.
9603 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
9604 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
9606 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
9607 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
9608 flags for %c, %s and %[.
9609 (check_format_info): Only allow leniency for signedness of targets
9610 of character pointers (when pedantic) for formats flagged with
9611 "c", so for strings but not for %hh formats. When pedantic, don't
9612 allow character pointers to substitute for void pointers if a
9613 second level of indirection is present.
9615 2000-08-06 Kazu Hirata <kazu@hxi.com>
9617 * invoke.texi (Options for Debugging Your Program or GCC): Update
9618 the names of dump files.
9620 * h8300.c (dosize): Rearrange code for conciseness.
9621 (split_adds_subs): Likewise.
9623 * loop.c: Fix formatting.
9625 * dwarf2out.c: Fix formatting.
9627 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
9629 * expr.c: Fix formatting.
9631 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9633 * rs6000.c (rs6000_maybe_dead): Prototype.
9635 2000-08-06 Richard Henderson <rth@cygnus.com>
9637 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
9638 HAVE_nonlocal_goto as well.
9639 * config/i960/i960.md (nonlocal_goto): Don't do it here.
9640 * config/pj/pj.md (nonlocal_goto): Likewise.
9642 2000-08-07 Michael Hayes <mhayes@cygnus.com>
9644 * loop.c (try_swap_copy_prop): New function.
9645 (load_mems): Rename copies to load_copies and add new regset
9646 store_copies. Check for sets of shadow registers and mark
9647 in store_copies. Call try_swap_copy_prop for registers
9648 marked in store_copies.
9650 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9652 * objc/objc-act.c: New command line option -fconstant-string-class
9653 to allow specifying a user defined constant string class,
9654 different from NXConstantString.
9656 * toplev.c: Moved the Objective-C specific options to
9657 objc/lang-options.h.
9659 * objc/lang-options.h: Moved the Objective-C specific options from
9660 toplev.c. Added -fconstant-string-class.
9662 2000-08-05 Chris Demetriou <cgd@sibyte.com>
9664 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9665 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
9666 __CTOR_LIST__ from func_ptr array to just func_ptr, to
9667 avoid extra alignment imposed on arrays.
9668 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9669 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
9671 * mips.h: Clean up comments and spacing near MASKs.
9672 (TARGET_UNIX_ASM): Delete.
9673 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
9674 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
9677 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
9679 * c-common.c (print_char_table): Add entries for the X/Open '
9680 format flag (print decimals with locale's thousands grouping
9681 character). Make %C expect wint_t.
9682 (check_format_info): If pedantic, warn when the %n$ operand
9683 number form is used. Allow for the ' flag; warn about it if
9686 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
9688 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
9689 type is a float mode, cfun->decl's return type is not, and
9690 TARGET_FLOAT_RETURNS_IN_80387.
9692 2000-08-04 Andreas Schwab <schwab@suse.de>
9694 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
9695 token list, which are always `#' and `pragma'.
9697 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
9699 * tree.c (tree_expr_nonnegative_p): Move to...
9700 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
9701 (rtl_expr_nonnegative_p): New.
9702 * tree.h: Add prototype for rtl_expr_nonnegative_p.
9704 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
9705 CONST_DOUBLE_CHAIN: Move to...
9706 * rtl.h: ...here. Use XCINT/XCEXP.
9708 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
9709 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
9710 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
9713 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
9715 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9717 * config/c4x/c4x.md (return_indirect_internal): New.
9718 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
9720 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9722 * c-common.c (time_char_table): Mark up formats added in C99 and
9723 make other corrections. %D and %g were added in C99. %Og is an
9724 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
9725 C99. %e was added in C99. %Oj is an extension. %G and %z are in
9726 C99 rather than GNU extensions, but %OG and %Oz are extensions.
9727 %h was added in C99. %C was added in C99. %OY and %OC are
9728 extensions. Add the C99 format %F.
9729 (check_format_info): If pedantic and not in C99 mode, warn for C99
9732 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9734 * function.c (schedule_fixup_var_refs): New function, broken out
9735 of put_reg_into_stack.
9736 (put_reg_into_stack): Use it.
9737 (put_var_into_stack): In CONCAT case, fixup up references for
9738 components only after fixing up references to the whole concat.
9740 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
9742 * alias.c (mark_constant_function): Use INSN_P.
9743 (init_alias_analysis): Likewise.
9744 * combine.c (combine_instructions): Use INSN_P.
9745 (can_combine_p): Likewise.
9746 (try_combine): Likewise.
9747 (distribute_notes): Likewise.
9748 (distribute_links): Likewise.
9749 * cse.c (cse_around_loop): Use INSN_P.
9750 (invalidate_skipped_block): Likewise.
9751 (cse_set_around_loop): Likewise.
9752 (cse_end_of_basic_block): Likewise.
9753 (delete_trivially_dead_insns): Likewise.
9754 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
9755 (unshare_all_rtl_1): Likewise.
9756 (next_cc0_user): Likewise.
9757 (try_split make_insn_raw): Likewise.
9758 (remove_unnecessary_notes): Likewise.
9759 * final.c (shorten_branches): Use INSN_P.
9760 (leaf_renumber_regs): Likewise.
9761 (leaf_renumber_regs_insn): Likewise.
9762 * flow.c (find_label_refs): Use INSN_P.
9763 (verify_wide_reg): Likewise.
9764 (notice_stack_pointer_modification): Likewise.
9765 (count_or_remove_death_notes): Likewise.
9766 (verify_flow_info): Likewise.
9767 (clear_log_links): Likewise.
9768 * function.c (fixup_var_refs_insns): Use INSN_P.
9769 (compute_insns_for_mem): Likewise.
9770 * gcse.c (alloc_gcse_mem): Use INSN_P.
9771 (compute_sets): Likewise.
9772 (compute_hash_table): Likewise.
9773 (classic_gcse): Likewise.
9775 (insert_insn_end_bb): Likewise.
9776 (delete_null_pointer_checks_1): Likewise.
9777 * global.c (expand_preferences): Use INSN_P.
9778 (build_insn_chain): Likewise.
9779 * graph.c (node_data): Use INSN_P.
9780 * haifa-sched.c (priority): Use INSN_P.
9781 (rm_line_notes): Likewise.
9782 (rm_other_notes): Likewise.
9783 (find_insn_reg_weight): Likewise.
9784 (init_target_units): Likewise.
9785 (schedule_block): Likewise.
9786 (compute_block_forward_dependences): Likewise.
9787 (debug_dependencies): Likewise.
9788 (set_priorities): Likewise.
9789 * integrate.c (function_cannot_inline_p): Use INSN_P.
9790 (save_parm_insns): Likewise.
9791 (copy_insn_list): Likewise.
9792 * jump.c (mark_all_labels): Use INSN_P.
9793 (never_reached_warning): Likewise.
9794 * lcm.c (optimize_mode_switching): Use INSN_P.
9795 * local-alloc.c (validate_equiv_mem): Use INSN_P.
9796 (memref_used_between_p): Likewise.
9797 (update_equiv_regs): Likewise.
9798 (block_alloc): Likewise.
9799 (no_conflict_p): Likewise.
9800 * loop.c (scan_loop): Use INSN_P.
9801 (find_and_verify_loops): Likewise.
9802 (count_loop_regs_set): Likewise.
9803 (loop_reg_used_before_p): Likewise.
9804 (strength_reduce): Likewise.
9805 (recombine_givs): Likewise.
9806 (check_dbra_loop): Likewise.
9807 (load_mems): Likewise.
9808 (try_copy_prop): Likewise.
9809 * print-rtl.c (print_rtx): Use INSN_P.
9810 * recog.c (find_single_use): Use INSN_P.
9811 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
9812 (next_flags_user): Likewise.
9813 (swap_rtx_condition): Likewise.
9814 * regmove.c (mark_flags_life_zones): Use INSN_P.
9815 (optimize_reg_copy_1): Likewise.
9816 (optimize_reg_copy_2): Likewise.
9817 (optimize_reg_copy_3): Likewise.
9818 (reg_is_remote_constant_p): Likewise.
9819 (fixup_match_2): Likewise.
9820 (regmove_optimize): Likewise.
9821 (fixup_match_1): Likewise.
9822 * regrename.c (build_def_use): Use INSN_P.
9823 (replace_reg_in_block): Likewise.
9824 (consider_use): Likewise.
9825 * reload.c (find_equiv_reg): Use INSN_P.
9826 * reload1.c (reload): Use INSN_P.
9827 (maybe_fix_stack_asms): Likewise.
9828 (calculate_needs_all_insns): Likewise.
9829 (reload_as_needed): Likewise.
9830 (emit_output_reload_insns): Likewise.
9831 (delete_address_reloads_1): Likewise.
9832 (reload_cse_regs_1): Likewise.
9833 (reload_combine): Likewise.
9834 (reload_cse_move2add): Likewise.
9835 * reorg.c (redundant_insn): Use INSN_P.
9836 (dbr_schedule): Likewise.
9837 * resource.c (find_dead_or_set_registers): Use INSN_P.
9838 (mark_target_live_regs): Likewise.
9839 * rtlanal.c (reg_used_between_p): Use INSN_P.
9840 (reg_referenced_between_p): Likewise.
9841 (reg_set_between_p): Likewise.
9842 (reg_set_p): Likewise.
9843 (single_set): Likewise.
9844 (multiple_sets): Likewise.
9845 (find_last_value): Likewise.
9846 (reg_set_last): Likewise.
9847 (find_reg_note): Likewise.
9848 (find_regno_note): Likewise.
9849 * sibcall.c (sequence_uses_addressof): Use INSN_P.
9850 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
9851 * ssa.c (find_evaluations): Use INSN_P.
9852 (rename_block): Likewise.
9853 (rename_equivalent_regs): Likewise.
9854 * unroll.c (loop_find_equiv_value): Use INSN_P.
9855 (set_dominates_use): Likewise.
9856 * varasm.c (mark_constant_pool): Use INSN_P.
9857 (mark_constants): Likewise.
9858 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
9859 (alphaev4_next_group): Likewise.
9860 (alphaev5_next_group): Likewise.
9861 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
9862 (c4x_rptb_rpts_p): Likewise.
9863 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
9864 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
9865 (rs6000_adjust_priority): Likewise.
9866 * config/sh/sh.c (sh_loop_align): Use INSN_P.
9867 (machine_dependent_reorg): Likewise.
9868 (split_branches): Likewise.
9869 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
9871 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
9873 * combine.c (recog_for_combine): Remove the old notes
9874 prior to attempting to recognize the new pattern.
9875 (distribute_notes): Ignore REG_NONNEG notes.
9877 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
9879 * varasm.c (output_constructor): Add .align 0 for packed vars.
9881 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9883 * configure.in: Use default thread_file even when enable_threads is
9884 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
9885 * configure: Rebuilt.
9887 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
9889 2000-08-04 Donn Terry (donnte@microsoft.com)
9891 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
9893 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9895 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
9896 Delete code that conditionally modifies 'version'.
9897 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
9898 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
9899 * gcc.c (main): Use it.
9900 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
9901 * prefix.c (update_path): Use it.
9902 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
9903 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
9904 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
9906 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
9907 (SUBTARGET_SWITCHES): Adjust.
9908 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
9910 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
9912 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9914 * c-common.h (flag_isoc94): Declare.
9915 * c-decl.c (flag_isoc94): Define.
9916 (c_decode_option): Set flag_isoc94 as appropriate.
9917 * c-common.c (T_PD, T_IM, T_UIM): Define.
9918 (format_char_info): Add tlen and jlen.
9919 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
9921 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
9923 (time_char_table): Add NULL entries for %t and %j.
9924 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
9925 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
9926 Warn for printf %lf if pedantic and not C99. Don't warn for empty
9927 precision. Allow precision argument to be unsigned int. If
9928 pedantic, warn for %p passed an argument not a pointer to possibly
9929 qualified void or a possibly qualified character type, and for
9930 pointer targets of the wrong sign, except for character pointers.
9932 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9934 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
9935 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
9936 (wint_type_node): Define.
9937 * c-decl.c (WINT_TYPE): Define.
9938 (init_decl_processing): Create the wint_type_node type.
9939 * c-common.c (T_WI): Define.
9940 (print_char_table): Use T_WI for %lc format.
9942 2000-08-04 Bruce Korb <bkorb@gnu.org>
9944 * fixinc/: Verified that the MSDOS patch does not break
9945 the UNIX functionality and applied the next three patches
9948 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
9950 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
9951 output file with the temporary one by appending ".X" to generate
9952 the temporary fuile's name. If the output file already has an
9953 extension, replace it with ".X".
9955 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
9956 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
9957 reallocate the command buffer while copying the command-line
9958 argument. Redirect the output directly to the temporary file,
9959 instead of going through another temporary file.
9960 (process): Close the temporary file before unlinking it.
9961 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
9962 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
9963 (run_compiles): Pass p_fixd argument to machine_matches, as it
9966 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
9967 environment, assume there are no symlinks in the include
9968 directory. When cleaning up the DONE files, look for them
9969 case-insensitively. Don't try to remove symlinks if they aren't
9972 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
9973 all callers changed. Declare pz "const char *", to avoid compiler
9976 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
9977 Change prototype of make_raw_shell_str.
9979 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
9981 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
9982 (initialize) [__MSDOS__]: Use tempnam.
9983 (initialize): Don't use SIGPIPE if it is not defined.
9985 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
9988 2000-07-25 Bruce Korb <bkorb@gnu.org>
9990 * fixinc/fix*.[ch]: substantially reworked to make it possible
9991 to run this program without using fork(2) or pipe(2) (i.e. in
9994 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9996 * cppdefault.h (WINT_TYPE): Define.
9997 * cppinit.c (builtin_array): Define __WINT_TYPE__.
9998 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
9999 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
10001 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
10003 * (mips_legitimate_address_p): Don't allow register+offset
10004 if the offset is large and negative, and we are compiling
10005 for 64 bit registers.
10007 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10009 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
10010 insn_code_number + 1.
10012 2000-08-04 Kazu Hirata <kazu@hxi.com>
10014 * h8300.c (function_prologue): Rearrange code for conciseness.
10015 (function_epilogue): Likewise.
10016 * h8300.h (OK_FOR_U): Fix formatting.
10018 * cse.c: Fix a comment typo. Fix formatting.
10020 2000-08-03 Richard Henderson <rth@cygnus.com>
10022 * config/i386/i386.md (return_indirect_internal): New.
10023 * config/i386/i386.c (ix86_expand_epilogue): Use it.
10025 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
10027 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
10029 (lex_line): Glue @ onto the beginning of identifiers and
10030 string constants, in Objective-C mode.
10031 (output_token, spell_token): Handle CPP_OSTRING.
10032 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
10033 beginning of a NAME or a STRING, in objc mode.
10035 * cpplib.c (get_define_node): Do not permit identifiers that
10036 begin with @ to be #defined.
10037 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
10038 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
10040 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
10041 * c-tree.h (build_objc_string): Delete prototype.
10042 * objc/objc-tree.def: Delete OBJC_STRING_CST.
10043 * c-lex.c (yylex): Use build_string for all three kinds of strings.
10045 * c-parse.in, objc/objc-act.c: Update commentary.
10047 2000-08-03 Mark Mitchell <mark@codesourcery.com>
10049 * extend.texi: Fix typo in last change.
10051 * extend.texi: Add commentary on statement-expressions and their
10052 interactions with C++.
10054 2000-08-03 Nick Clifton <nickc@cygnus.com>
10056 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
10057 * dwarf.h (LANG_JAVA): Change value to 0x000b.
10059 2000-08-03 Anthony Green <green@cygnus.com>
10061 * dwarf2out.c (gen_compile_unit_die): Add java language support.
10062 (add_bound_info): Check for java language.
10063 (is_java): New function.
10064 * dwarfout.c (output_compile_unit_die): Ditto.
10065 * dwarf.h (dwarf_source_language): Add java source language type.
10066 * dwarf2.h (dwarf_source_language): Ditto.
10068 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10070 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
10073 * i386.c (ix86_expand_branch): Mode of comparison in
10074 IF_THEN_ELSE is VOIDmode.
10076 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
10078 * gengenrtl.c, rtl.c: Avoid #elif.
10080 2000-08-03 Michael Poole <poole@troilus.org>
10082 * tm.texi (Register Classes): Clarify order of sub-initializers
10083 in REG_CLASS_CONTENTS.
10085 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10087 From SAITOH Masanobu:
10088 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
10090 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
10092 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
10093 is not supported by tradcpp and isn't actually needed for cygwin.
10095 2000-08-03 Kazu Hirata <kazu@hxi.com>
10097 * h8300.c: Fix a comment typo.
10098 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
10100 * jump.c: Fix formatting.
10102 * toplev.c: Fix formatting.
10104 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
10106 * flow.c (find_auto_inc): Verify that we've got a REG before
10107 peeking at its regno. Fail, don't abort if we can't find
10108 the increment of the desired register.
10110 * pa.md (shadd height reduction patterns/splitters): Remove.
10112 2000-08-02 Jim Wilson <wilson@cygnus.com>
10114 * config/ia64/ia64-protos.h (flag_ssa): Declare.
10115 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
10117 2000-08-02 Mark Mitchell <mark@codesourcery.com>
10119 * dce.c: Remove all uses of assert.
10120 * dwarf2out.c: Likewise.
10121 * dwarfout.c: Likewise.
10124 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10126 * gcc.h (lang_specific_driver): Constify second argument.
10127 * gcc.c (translate_options, process_command, main): Likewise.
10128 Constify variables to match. Cast second argument to
10131 * cppspec.c, gccspec.c: Adjust type of second argument to
10132 lang_specific_driver, and update code as necessary.
10134 2000-08-02 Jakub Jelinek <jakub@redhat.com>
10136 * loop.c (scan_loop): Ensure update_end label does not
10137 go away until reg_scan_update is run.
10139 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10141 * c-common.h: Prototype min_precision and c_build_qualified_type here...
10142 * c-tree.h: ... not here.
10143 * errors.h: Prototype fancy_abort.
10145 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
10146 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
10147 * regrename.c (regrename_optimize): Make control flow explicit.
10148 (replace_reg_in_block): Initialize reg_use to 0.
10150 * i386.c (legitimate_address_p): Rename error label to
10151 report_error to avoid namespace clash.
10153 2000-08-02 Kazu Hirata <kazu@hxi.com>
10155 * fold-const.c: Fix formatting.
10157 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
10159 * i386.c (legitimate_address_p): Accept other bases than
10160 pic_offset_table_rtx for GOTOFF constructs.
10162 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10164 * i386.md (shift to lea splitter): Use const_int_operand.
10166 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10168 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
10169 cppspec.c: Do not use 'legal' or 'illegal' in error messages
10172 * cppmain.c (cb_define, cb_undef): Don't generate any output
10173 if not done_initializing.
10174 * cpplex.c (maybe_paste_with_next): When the token after a ##
10175 is an omitted rest argument, only delete the token before it
10176 if that token is a comma. Do not warn about bogus token
10177 pastes for , ## rest_arg.
10179 * cpp.texi: Update.
10180 * cpp.1: Regenerate.
10182 2000-08-02 Fred Fish <fnf@be.com>
10184 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
10185 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
10188 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
10189 Be directories to search path.
10191 Remove support for __declspec(dllimport) and __declspec(dllexport).
10192 This is leftover cruft from the earlier BeOS gcc port when BeOS
10193 used Microsoft's PE object file format.
10194 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
10195 * config/i386/t-beos (winnt.o): Remove Makefile frag.
10196 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
10197 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
10198 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
10199 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
10200 (REDO_SECTION_INFO_P): Remove.
10201 (ASM_EXPORT_DECL): Remove.
10202 (ASM_DECLARE_FUNCTION_NAME): Remove.
10203 (ASM_DECLARE_OBJECT_NAME): Remove.
10204 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
10205 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
10206 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
10207 (STRIP_NAME_ENCODING): Remove.
10209 Remove support for obsolete version of BeOS that is no longer
10211 * configure.in (i*86-*-beospe*): Remove.
10212 * config/i386/beos-pe.h: Remove.
10214 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
10215 Mark Mitchell <mark@codesourcery.com>
10217 * Makefile.in (OBJS): Added dce.o.
10218 (ssa.o): Updated target to include ssa.h.
10219 (flow.o): Likewise.
10220 (toplev.o): Likewise.
10221 (dce.o): Created target.
10222 * basic-block.h: Added comments.
10223 (INVALID_BLOCK): Added definition.
10224 (connect_infinite_loops_to_exit): Added declaration.
10225 Moved SSA declarations to ssa.h.
10226 * flow.c: Added inclusion of ssa.h.
10227 (struct depth_first_search_dsS, depth_first_search_ds):
10229 (compute_immediate_postdominators): Added definition.
10230 (connect_infinite_loops_to_exit): Likewise.
10231 (flow_dfs_compute_reverse_init): Likewise.
10232 (flow_dfs_compute_reverse_add_bb): Likewise.
10233 (flow_dfs_compute_reverse_execute): Likewise.
10234 (flow_dfs_compute_reverse_finish): Likewise.
10235 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
10236 (LABEL_P): Added definition.
10237 (JUMP_P): Likewise.
10238 (NOTE_P): Likewise.
10239 (BARRIER_P): Likewise.
10240 (JUMP_TABLE_DATA_P): Likewise.
10241 (INSN_DEAD_CODE_P): Likewise.
10242 * ssa.c: Replaced inclusions with ssa.h inclusion.
10243 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
10244 (rename_registers): Removed unnecessary variables.
10245 * ssa.h: Created by moving declarations from ssa.c and
10247 * timevar.def: Defined TV_DEAD_CODE_ELIM.
10248 * toplev.c: Added ssa.h inclusion.
10249 (dump_file_index): Added DFI_dce.
10250 (dump_file): Added "dce" entry.
10252 (f_options): Added dce entry.
10253 * invoke.texi: Document -fdce. Emphasize experimental status of
10257 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
10259 * cpperror.c (v_message): Split into _cpp_begin_message and
10260 v_message macro. All callers updated.
10261 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
10264 * cppfiles.c (cpp_syshdr_flags): New function.
10265 (read_include_file): Don't call cpp_output_tokens. Call
10267 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
10268 (cpp_reader_init): Don't initialize token_buffer. Call
10269 _cpp_init_internal_pragmas.
10270 (cpp_cleanup): Don't clear token_buffer.
10271 (cpp_start_read): Don't worry about output from -D processing.
10272 Don't call cpp_output_tokens.
10273 (cpp_finish): Don't dump macros here. Don't call
10275 * cppmacro.c (_cpp_dump_definition): Rename
10276 cpp_dump_definition. Write directly to a FILE *.
10277 (dump_funlike_macro): Delete.
10278 (dump_macro_args): New.
10280 * cpplex.c (TOKEN_LEN): Convert to inline function.
10281 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
10282 cpp_scan_line, _cpp_dump_list): Delete.
10283 (cpp_printf, cpp_output_list): New.
10284 (output_line_command): Don't worry about entering or leaving files.
10285 (cpp_scan_buffer): Just output each token as we hit it.
10286 (process_directive): Don't call cpp_output_tokens.
10287 (_cpp_glue_header_name): Don't use token_buffer.
10288 (output_token, dump_param_spelling): Write directly to a FILE *.
10290 * cpplib.c (pass_thru_directive, dump_macro_name,
10291 pragma_dispatch, do_pragma_gcc): Delete.
10292 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
10293 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
10295 (do_error, do_warning, pragma_dependency): Call
10296 _cpp_begin_message, then cpp_output_list.
10297 (cpp_register_pragma, cpp_register_pragma_space,
10298 _cpp_init_internal_pragmas): New.
10299 (do_pragma): Walk the pragmas table here.
10300 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
10301 do_pragma_dependency): Return void.
10302 (do_pragma_implementation): Moved to cppmain.c.
10304 * cpplib.h: Update prototypes.
10305 (struct cpp_reader): Remove printer, token_buffer,
10306 token_buffer_size, and limit. Add struct cb, and pragmas.
10307 (struct cpp_printer): Remove last_id and written.
10308 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
10309 CPP_ADJUST_WRITTEN): Delete.
10310 * cpphash.h: Update prototypes.
10311 (ufputs): New wrapper.
10313 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
10314 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
10315 (main): Set up callbacks. Register #pragma implementation.
10316 Dump macros from here.
10318 2000-08-01 Geoff Keating <geoffk@cygnus.com>
10320 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
10321 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
10322 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
10323 insns if they have a REG_MAYBE_DEAD note attached.
10324 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
10325 (rs6000_emit_load_toc_table): TOC loads may go dead.
10327 2000-08-01 Jim Wilson <wilson@cygnus.com>
10329 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
10330 type exists before using it. Use number of words as alignment
10332 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
10333 ia64_va_arg): Propagate ia64_function_args changes here.
10335 2000-08-01 Richard Henderson <rth@cygnus.com>
10337 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
10338 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
10340 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
10342 From Joern Rennecke:
10343 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
10344 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
10345 unless TARGET_SH3E is set.
10346 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
10348 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
10349 (ashlsi3_std): New pattern.
10350 (ashlsi3 expander): Use it for TARGET_SH3.
10351 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
10353 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10355 * loop.c (canonicalize_condition): Use destination, not source to
10356 determine SET's mode.
10358 2000-07-31 Mark Mitchell <mark@codesourcery.com>
10360 * flow.c (clear_log_links): Fix typo.
10362 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
10364 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
10365 on targets which need more than one insn for a compare/cbranch
10368 2000-07-31 Jim Wilson <wilson@cygnus.com>
10370 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
10371 when computing offset.
10373 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
10375 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
10377 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10379 * flow.c (clear_log_links): Nuke global_live_at_start and
10380 global_live_at_end data, since if the log_links stuff is invalid
10381 so is global_live_at_*.
10383 2000-07-31 Richard Henderson <rth@cygnus.com>
10385 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
10387 2000-07-31 Jakub Jelinek <jakub@redhat.com>
10389 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
10390 (_cpp_get_token): Don't macro expand a just pasted token if it
10391 was pasted at no_expand_level.
10393 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10395 * cppmacro.c (find_param, count_params, save_expansion):
10396 Permit 'defined' as a macro parameter name.
10398 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10400 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
10401 xcpp to cpp throughout.
10402 (native): Remove unnecessary dependency on cpp.
10404 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
10405 tradcpp to tradcpp0.
10406 (.i spec): Add missing output-file spec to cc1 command line.
10407 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
10409 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10411 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
10412 (implicit_decl_warning): New function.
10413 (implicitly_declare): Use it.
10414 * c-typeck.c (build_external_ref): Use implicit_decl_warning
10415 to complain about implicit decls of builtins.
10417 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
10418 based on pedantic && flag_isoc99, if not already set.
10419 * c-tree.h: Declare mesg_implicit_function_declaration.
10420 Prototype implicit_decl_warning.
10422 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
10424 * Makefile.in (ssa.o): Updated header files in dependences.
10425 * basic-block.h: Added compute_immediate_postdominators declaration.
10426 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
10428 * flow.c (compute_immediate_dominators): Updated comment.
10429 (compute_immediate_postdominators): Added definition.
10430 * rtl.h (HARD_REGISTER_P): Added definition.
10431 * ssa.c: Include additional header files.
10432 (assert): Added definition.
10433 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
10434 include select hard registers.
10435 (ssa_rename_to_insert): Likewise.
10436 (ssa_rename_from_initialize): Likewise.
10437 (ssa_rename_from_lookup): Likewise.
10438 (original_register): Likewise.
10439 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
10440 include select hard reigsters.
10441 (ssa_rename_from_traverse): Likewise.
10442 (ssa_rename_from_free): Likewise.
10443 (ssa_rename_from_print): Likewise.
10444 (ssa_rename_from_print_1): Likewise.
10445 (ssa_rename_from_hash_function): Likewise.
10446 (ssa_rename_from_equal): Likewise.
10447 (ssa_rename_from_delete): Likewise.
10448 (simplify_to_immediate_dominators): Removed in favor of
10449 flow.c:compute_immediate_dominators.
10450 (find_evaluations_1): Modified to work with hard registers.
10451 (insert_phi_node): Likewise.
10452 (insert_phi_nodes): Likewise.
10453 (struct rename_set_data): Updated prev_reg comment.
10454 (create_delayed_rename): Modified to work with hard registers.
10455 (RENAME_NO_RTX): Updated comment.
10456 (apply_delayed_renames): Modified to work with hard registers.
10457 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
10458 (rename_block): Updated to use revised ssa_rename_to interface.
10459 (rename_registers): Updated to use revised ssa_rename_to and
10460 ssa_rename_from interface.
10461 (convert_to_ssa): Revised to use compute_immediate_dominators and
10462 deal with hard registers.
10463 (make_regs_equivalent_over_bad_edges): Modified to work with hard
10464 registers. Added check for illegal unification of hard register.
10465 (make_equivalent_phi_alternatives_equivalent): Modified to work
10466 with hard registers.
10467 (compute_conservative_reg_partition): Likewise.
10468 (coalesce_if_unconflicting): Modified to work with hard registers
10469 and check for conflicting hard registers.
10470 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
10472 (rename_equivalent_regs_in_insn): Modified to work with hard
10474 (record_canonical_element_1): Added definition.
10475 (check_hard_regs_in_partition): Added definition.
10476 (convert_from_ssa): Added data structure deallocation and check
10477 for illegal hard register unification.
10478 (conflict_hard_regs_p): Added definition.
10479 * toplev.c (rest_of_compilation): Added comment.
10481 2000-07-31 Anthony Green <green@redhat.com>
10483 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
10485 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
10487 * builtins.c (expand_builtin_apply): Don't defer pop during
10490 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10492 * calls.c (combine_pending_stack_adjustment_and_call): Only use
10493 preferred_unit_stack_boundary when it is > 1.
10495 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
10497 * c-common.c (init_function_format_info): Add C99 format functions
10500 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
10501 void' or 'register void' as being the special case of 'void' alone
10502 in a parameter list.
10504 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
10505 discarding qualifiers into a plain warning.
10507 2000-07-31 Kazu Hirata <kazu@hxi.com>
10509 * combine.c: Fix formatting.
10511 * h8300.md: Fix formatting.
10513 * local-alloc.c: Fix formatting.
10515 * h8300.c (get_shift_alg): Remove the variable alg.
10516 (emit_a_shift): Rearrange code to improve readability.
10518 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
10520 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
10521 HImode on all architectures and a combination of HImode and SImode
10522 on H8/300H and H8/S.
10524 * h8300.c (split_adds_subs): Rearrange code for conciseness.
10526 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
10528 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
10529 in my last checkin.
10531 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10533 * recog.c (extract_insn): Set operand_mode according to
10534 operand if match_operand is VOIDmode.
10536 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
10538 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
10540 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10542 * c-parse.in (extdefs): Call ggc_collect between external
10545 2000-07-30 Michael Hayes <mhayes@cygnus.com>
10546 Richard Henderson <rth@cygnus.com>
10548 * Makefile.in (OBJS): Add doloop.o.
10549 * doloop.c: New file.
10551 * final.c (insn_current_reference_address): Return 0 before final.
10552 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
10553 * jump.c (any_uncondjump_p): Likewise.
10554 * loop.c (indirect_jump_in_function): Make static.
10555 (strength_reduce): Call doloop_optimize.
10556 (insert_bct, instrument_loop_bct): Remove.
10557 * loop.h (doloop_optimize): Prototype.
10558 * recog.c (split_all_insns): Split all INSN_P.
10559 * toplev.c (flag_branch_on_count_reg): Default on.
10561 * config/c4x/c4x.c (c4x_optimization_options): Don't set
10562 flag_branch_on_count_reg.
10563 * config/i386/i386.c (override_options): Likewise.
10564 * config/rs6000/rs6000.c (optimization_options): Likewise.
10566 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
10568 (dbra_ge): Remove, as well as all it's splitters.
10570 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
10573 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
10574 (ia64_register_move_cost): Declare.
10575 * config/ia64/ia64.c (ar_lc_reg_operand): New.
10576 (struct ia64_frame_info): Add ar_size.
10577 (ia64_compute_frame_size): Set it.
10578 (save_restore_insns): Save and restore ar.lc.
10579 (ia64_register_move_cost): New, moved from header file. Handle
10580 application registers.
10581 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
10582 (emit_insn_group_barriers): Special case doloop_end_internal.
10583 (ia64_epilogue_uses): Mark ar.lc live at end.
10584 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
10585 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
10586 (FIRST_PSEUDO_REGISTER): Make room.
10587 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
10588 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
10589 (REG_ALLOC_ORDER): Update.
10590 (HARD_REGNO_MODE_OK): Update.
10591 (REGISTER_NAMES): Update.
10592 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
10593 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
10594 (REGNO_REG_CLASS): Update.
10595 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
10596 (REGISTER_MOVE_COST): Move out of line.
10597 (PREDICATE_CODES): Update.
10598 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
10599 (addsi3_plus1_alt, adddi3_plus1_alt): New.
10600 (shladd_elim splitter): Allow constants in the predicate.
10601 (doloop_end, doloop_end_internal): New.
10603 2000-07-30 Richard Henderson <rth@cygnus.com>
10605 * genattrtab.c (struct insn_def): Add lineno member.
10606 (struct insn_ent): Likewise.
10607 (struct attr_desc): Likewise.
10608 (struct delay_desc): Likewise.
10609 (struct function_unit_op): Likewise.
10610 (struct function_unit): Likewise.
10611 (check_attr_value): Use message_with_line.
10612 (check_defs): Likewise.
10613 (expand_units): Likewise.
10614 (check_attr_test): Take a lineno argument.
10615 (gen_attr): Likewise.
10616 (gen_insn): Likewise.
10617 (gen_delay): Likewise.
10618 (gen_unit): Likewise.
10619 (main): Give it to them.
10620 (convert_set_attr_alternative): Take an insn_def argument
10621 instead of num_alt and insn_index.
10622 (convert_set_attr): Likewise.
10623 (write_test_expr): Protect INSN_ADDRESSES load
10624 with INSN_ADDRESSES_SET_P.
10626 2000-07-30 Richard Henderson <rth@cygnus.com>
10628 * flow.c (init_propagate_block_info): Use pc_set.
10630 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10632 * i386.md (*lea_general_[123]) New insns and splits.
10633 (addsi3 to lea splitter): Handle other modes too.
10634 (shlsi3 to lea splitter): Likewise.
10635 (addhi_1_lea, shlhi_1_lea): New patterns.
10636 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
10638 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10640 * recog.c (general_operand, nonimmediate_operand): Accept
10641 any mode for VOIDmode CONSTANT_P operands.
10643 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10645 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
10646 instead of replace_rtx.
10647 * recog.c (validate_replace_rtx_subexp): New function.
10648 * recog.h (validate_replace_rtx_subexp): Declare.
10650 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10652 * combine.c (simplify_set, make_extraction, make_compound_operation
10653 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
10654 as force_to_mode argument.
10656 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
10658 * combine.c (if_then_else_cond): Be sure that mode fits in
10661 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
10663 * combine.c (record_promoted_value): Allow bitsize of mode
10664 to be equivalent to HOST_BITS_PER_WISE_INT.
10666 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10668 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
10669 Do not call gen_mode_alignment when mode is BLKmode.
10671 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
10673 * loop.c (express_from_1): Fix call of simplify_gen_binary.
10675 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
10677 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
10678 VOIDmode implies both operands to be VOIDmode.
10679 (simplify_ternary_operation): Compute properly the mode of comparison.
10680 * combine.c (combine_simplify_rtx): Likewise.
10682 2000-07-25 Michael Hayes <mph@paradise.net.nz>
10684 * basic-block.h (struct loops): New field rc_order.
10685 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
10686 (flow_loops_free): Free rc_order.
10687 (flow_depth_first_order_compute): New parameter rc_order.
10688 (flow_loops_find): Allocate rc_order and swap usage with
10691 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10692 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10694 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
10695 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
10696 (nodb_call, return_from_epilogue): Likewise.
10697 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
10698 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
10699 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
10700 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10701 (c4x_valid_type_attribute_p): Likewise.
10702 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
10703 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
10705 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10707 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
10708 and loadhi_big_constant if applicable.
10709 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
10710 and add new splitter.s
10712 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10714 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
10716 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10718 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
10720 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10722 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
10724 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10726 * config/c4x/libgcc.S (divqf3): Improve accuracy.
10728 2000-07-27 Mark Mitchell <mark@codesourcery.com>
10730 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
10731 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
10732 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
10733 (get_prev_bb_note): Likewise.
10734 (remove_scope_notes): Likewise.
10735 * flow.c (commit_one_edge_insertion): Likewise.
10736 (merge_blocks_nomove): Likewise.
10737 (verify_flow_info): Likewise.
10738 * gcse.c (insert_insn_end_bb): Likewise.
10739 * reg-stack.c (emit_swap_insn): Likewise.
10740 * ssa.c (first_insn_after_basic_block_note): New function.
10741 (insert_phi_node): Use it.
10742 (rename_block): Likewise.
10743 (eliminate_phi): Likewise.
10744 (make_regs_equivalent_over_bad_edges): Likewise.
10745 (make_equivalent_phi_alternatives_equivalent): Likewise.
10746 (for_each_successor_phi): Likewise.
10747 (convert_from_ssa): Modify phi-node deletion algorithm.
10749 2000-07-29 Andreas Jaeger <aj@suse.de>
10751 * configure.in (mips*-*-linux*): Use mips*el to check for little
10752 endian MIPS, add tmake_file.
10754 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
10755 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
10756 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
10758 2000-07-28 Richard Henderson <rth@cygnus.com>
10760 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
10761 Sign extend mode size before negating.
10763 2000-07-28 Richard Henderson <rth@cygnus.com>
10765 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
10767 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
10769 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
10770 (cse_insn): Likewise.
10771 (addr_affects_sp_p): Likewise.
10772 * expr.c (move_by_pieces): Likewise.
10773 (clear_by_pieces): Likewise.
10774 * gcse.c (oprs_unchanged_p): Likewise.
10775 * haifa-sched.c (sched_analyze_2): Likewise.
10776 * recog.c (offsettable_address_p): Likewise.
10777 * regclass.c (record_address_regs): Likewise.
10778 * reload.c (find_reusable_reload): Likewise.
10779 (push_reload): Likewise.
10780 (operands_match_p): Likewise.
10781 (decompose): Likewise.
10782 (find_reloads_address_1): Likewise.
10783 (find_inc_amount): Likewise.
10784 * reload1.c (elimination_effects): Likewise.
10785 * resource.c (mark_set_resources): Likewise.
10786 * flow.c (attempt_auto_inc): New function; mostly broken out
10788 (find_auto_inc): Split into two functions and enhanced to
10789 generate POST_MODIFY.
10790 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
10791 * rtl.h (count_all_occurrences): Declare.
10792 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
10794 * rtlanal.c (count_all_occurrences): New function.
10795 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
10796 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
10798 * config/ia64/ia64-protos.h (destination_operand): Declare.
10799 * config/ia64/ia64.c (destination_operand): New function.
10800 (ia64_print_operand): Handle POST_MODIFY.
10801 (rtx_needs_barrier): Likewise.
10802 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
10803 (HAVE_POST_MODIFY_REG): Define to 1.
10804 (MAX_REGS_PER_ADDRESS): Change to 2.
10805 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
10806 (LEGITIMATE_ADDRESS_REG): New helper macro.
10807 (LEGITIMATE_ADDRESS_DISP): Likewise.
10808 (PREDICATE_CODES): Add entry for destination_operand.
10809 * config/ia64/ia64.md (all mov patterns): Use destination_operand
10810 predicate for operand 0.
10812 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10814 * dwarf2out.c: Indent #error directive.
10816 * gbl-ctors.h: Fix typo in comment.
10817 (__do_global_ctors): Prototype.
10819 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10821 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10822 (print_operand): Initialize variable `t'.
10824 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10826 * config/arm/arm.md ("call_value"): removed constraints.
10827 Constraints are ignored in expanders.
10828 (*call_value_reg): split =rf into various constraints.
10829 (*call_value_mem): same
10830 (*call_value_symbol): same
10831 (*sibcall_value_insn): same
10833 2000-07-28 Philipp Thomas <pthomas@suse.de>
10835 * install.texi (--enable-nls): Change the description of the NLS
10836 related configure options to match the current state.
10837 (--with-included-gettext): Likewise.
10838 (--enable-maintainer-mode): New description added.
10839 * extend.texi (-fstrict-prototype): Add missing '.'.
10841 2000-07-27 Jim Wilson <wilson@cygnus.com>
10843 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
10844 DECL_INITIAL (decl) == NULL_TREE.
10846 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
10848 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
10849 on insn-attr.h with it.
10850 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
10851 * insn-addr.h: New header.
10852 (insn_addresses_): Renamed from insn_addresses.
10853 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
10854 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
10855 INSN_ADDRESSES_NEW): New macros.
10856 * genattrtab.c (write_test_expr): Use new macros.
10857 * final.c (insn_addresses, init_insn_lengths): Likewise.
10858 (align_fuzz, shorten_branches): Likewise.
10859 (final): Likewise. Do not reject new insns if their addresses
10860 have been added to INSN_ADDRESSES.
10861 * config/arm/arm.c, config/avr/avr.c: Use new macros.
10862 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
10863 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
10864 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
10865 * config/sh/sh.c: Likewise.
10866 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
10868 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
10870 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
10872 * gcc.c (struct prefix_list): Add member priority.
10873 (enum path_prefix_priority): Declare.
10874 (add_prefix): Replace ``first'' with ``priority''. Append new
10875 entry but keep list in priority order.
10876 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
10877 PREFIX_PRIORITY_LAST to add_prefix.
10878 (process_command): Move include kludge - foo/stageN - to before
10881 2000-07-27 Jason Merrill <jason@redhat.com>
10883 * dwarf2out.c (gen_typedef_die): Abort if we get identical
10884 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
10886 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
10888 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
10889 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
10891 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
10893 * c-decl.c (finish_function): Don't treat 'main' specially unless
10894 flag_hosted. In C99 mode, return 0 from 'main' unless
10895 DEFAULT_MAIN_RETURN is otherwise defined.
10897 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
10898 parameters defaulting to int in an old-style function definition.
10900 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10902 * c-parse.in (string): For -Wtraditional, warn about string
10903 concatenation only once per line.
10905 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
10907 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
10908 for HI-UX/WE2 systems.
10910 2000-07-24 Bruce Korb <bkorb@gnu.org>
10912 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
10913 defining the __xxx_TYPE__ macros.
10914 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
10915 * fixincl/fixlib.h: don't need to include "tm.h" anymore
10916 * fixincl/inclhack.def(type_map): now obsolete
10918 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
10920 * cpp.texi: Append a trailing full-stop to xrefs where needed.
10922 2000-07-26 Dave Pitts <dpitts@cozx.com>
10924 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
10926 (mvs_hash_alias): New function.
10927 (mvs_add_alias): Change argument spacing.
10928 (mvs_need_alias): Change aliasing criteria. Added documentation.
10929 (mvs_get_alias): Change to use hashed name. The hashed name prevents
10930 CSECT name collisions.
10931 (mvs_check_alias): Likewise.
10932 (handle_pragma): Change documentation.
10933 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
10934 mode from SImode to DImode.
10935 (iorhi3): Changed LTORG size for insn.
10937 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
10939 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
10940 mem if the address is a mode_dependent_address_p.
10942 2000-07-26 Kazu Hirata <kazu@hxi.com>
10944 * h8300.c (print_operand): Print ":8" when the 'R' operand is
10945 suitable for 8-bit absolute.
10946 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
10947 (OK_FOR_U): Add a case for the 8-bit constant address on the
10950 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
10952 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
10953 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
10954 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
10955 lack of implemented alignment.
10957 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
10959 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
10960 cross-compiling between 64-bit and 32-bit machines.
10962 2000-07-27 Richard Henderson <rth@cygnus.com>
10964 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
10965 (movhicc_astep, movhi_internal_astep): New.
10966 (movsicc_astep, movsi_internal_astep): New.
10967 (movdicc_astep, movdi_internal_astep): New.
10968 (movsfcc_astep, movsf_internal_astep): New.
10969 (movdfcc_astep, movdf_internal_astep): New.
10970 (movxfcc_astep, movxf_internal_astep): New.
10971 (cmovdi_internal_astep, cmovsi_internal_astep): New.
10972 Unify the cmov[ds]i splitters.
10974 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
10976 * real.c (asctoeg): Rename `error' label to unexpected_char_error
10978 2000-07-26 Nick Clifton <nickc@cygnus.com>
10980 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
10981 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
10983 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
10984 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
10986 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
10988 * c-decl.c (finish_enum): Convert enumerations that fit in an
10990 (build_enumerator): In pedantic mode, cast to `int' those that
10993 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
10995 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
10997 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10999 * sh.md (cmpgtdi_t): Must be split.
11000 (cmpgtdi_t+1): New splitter.
11002 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
11004 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
11005 warnings for indented directives even if we are skipping.
11007 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
11009 * invoke.texi (strict-prototypes): Remove.
11010 * extend.texi (Deprecated Features): Add strict-prototypes.
11011 (Backwards Compatibility): New node.
11013 2000-07-25 Jakub Jelinek <jakub@redhat.com>
11015 * config/i386/i386.md (andsi_1+1): Allow HImode.
11016 (andsi_1+2): Require q_regs_operand.
11018 2000-07-25 Jakub Jelinek <jakub@redhat.com>
11020 * config/i386/i386.md (call_pop): Check operands[0],
11021 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
11023 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
11024 (call_value): Likewise.
11026 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
11028 * toplev.c (pipe_closed): Delete.
11029 (crash_signal): New. Generate ICE for a fatal signal.
11030 (float_signal): Call crash_signal outside a float-handler
11032 (main): Install crash_signal as handler for core-dumping signals.
11034 2000-07-25 David Edelsohn <edelsohn@gnu.org>
11036 * rs6000.c (print_operand, case 'T'): New case.
11038 * rs6000.md (call_indirect_aix32): Convert to expander of
11039 scheduled instructions.
11040 (call_indirect_aix64): Likewise.
11041 (call_value_indirect_aix{32,64}): Likewise.
11042 (call, call_value): Invoke expanders for AIX. Fall through to
11044 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
11045 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
11046 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
11047 only "g" constraint.
11048 (call_nonlocal_aix64): Likewise.
11049 (call_value_nonlocal_aix{32,64}): Likewise.
11050 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
11052 (call_value_nonlocal_sysv): New pattern.
11053 (indirect_jump{si,di}): Use new 'T' modifier.
11054 (tablejump{si,di} matchers): Likewise.
11055 (return_internal_{si,di}): Likewise.
11056 (return_eh_{si,di}): Likewise.
11058 2000-07-24 Richard Henderson <rth@cygnus.com>
11060 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
11061 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
11062 * config/ia64/ia64.md (movdi_internal): Use it.
11064 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
11066 * cppexp.c: Warn about unary + if -Wtraditional.
11067 * cpplex.c (lex_line): Always set BOL on the first token of a line.
11069 2000-07-24 Michael Meissner <meissner@redhat.com>
11071 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
11074 2000-07-24 Nick Clifton <nickc@cygnus.com>
11076 * config/arm/arm.c (emit_multi_reg_push): Generate a
11077 REG_FRAME_RELEATED_NOTE that is compatable with the code in
11078 dwarf2out_debug_frame_expr.
11080 2000-07-24 Jason Merrill <jason@redhat.com>
11082 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
11083 UNALIGNED_INT_ASM_OP.
11084 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
11085 a location expression.
11086 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
11087 assume indirect access if we're saving the CFA address exactly.
11089 * Makefile.in (bootstrap): Move -BstageN/ to the end.
11091 2000-07-24 Jakub Jelinek <jakub@redhat.com>
11093 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
11096 2000-07-24 Michael Meissner <meissner@redhat.com>
11098 * invoke.texi (D30V Options): Add d30v options.
11100 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
11102 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
11103 needed by our gcse pass anymore.
11104 (free_pre_mem): Corresponding changes.
11105 (compute_pre_data): Do not call compute_transpout anymore.
11107 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
11108 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
11111 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
11112 (compute_pre_data): Do it here instead.
11114 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
11116 (pre_delete): Corresponding changes.
11118 2000-07-23 Mark Mitchell <mark@codesourcery.com>
11120 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
11121 to figure out whether or not a variable has already been emitted.
11123 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
11125 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
11126 instead of gen_call.
11128 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
11130 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
11132 2000-07-23 Kazu Hirata <kazu@hxi.com>
11134 * h8300.c: Fix formatting.
11136 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
11138 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
11139 for `long' switch expression into a plain warning.
11141 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
11142 (yylex): Don't pedwarn for "inline" in C99 mode.
11144 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
11146 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
11147 ggc_alloc): Likewise.
11148 * bb-reorder.c (dump_scope_forest_1): Likewise.
11150 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
11152 * reload.c (find_reloads_toplev): Add new parameter
11153 "address_reloaded".
11154 (find_reloads): Add new parameter to find_reloads_toplev calls.
11156 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
11158 * collect2.c (main): Typo fixed.
11159 * diagnostic.c: Typo fixed.
11160 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
11161 * eh-common.h: Typo fixed.
11162 * emit-rtl.c (start_sequence): Typo fixed.
11163 * flow.c (find_label_refs): Typo fixed.
11164 (calculate_global_regs_live): Typo fixed.
11165 (mark_regno_cond_dead): Typo fixed.
11166 (create_edge_list): Typos fixed.
11167 (verify_edge_list): Typo fixed.
11168 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
11169 * loop.c (strength_reduce): Typo in function name fixed.
11170 * rtl.h: Added comments. Typo in function name fixed.
11171 * rtlanal.c: Typo in function name fixed.
11172 (insn_dependant_p): Rename to ...
11173 (insn_dependent_p): ... this.
11174 (computed_jumo_p): Typo fixed.
11176 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11178 * system.h (__FUNCTION__): Wrap definition in #ifndef.
11180 2000-07-21 David Edelsohn <edelsohn@gnu.org>
11182 * rs6000.h (SIZE_TYPE): Define.
11184 2000-07-21 Mark Mitchell <mark@codesourcery.com>
11186 * ssa.c (rename_insn_1): Don't rename registers that are
11189 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
11191 * diagnostic.c (trim_filename, fancy_abort): Moved here from
11193 (fatal_function, set_fatal_function): Removed.
11194 (fatal): Don't prepare for or call the fatal_function.
11195 (diagnostic_lock, error_recursion): New.
11196 (diagnostic_for_decl, report_diagnostic): Guard against
11197 re-entering the error reporting routines.
11198 (fancy_abort): Assume function is not NULL.
11200 * errors.c (fancy_abort): New. Assume function is not NULL.
11201 * tradcpp.c (fancy_abort): Assume function is not NULL.
11203 * system.h: Provide default definition of __FUNCTION__.
11204 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
11205 Always use __FUNCTION__ in definition of abort.
11206 * tree.h: Likewise.
11207 * varray.h: Likewise.
11208 * toplev.h: Likewise. Don't prototype set_fatal_function.
11210 2000-07-20 Geoff Keating <geoffk@cygnus.com>
11212 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
11214 * glimits.h: Don't do #if defined for ARCH_PPC.
11216 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
11217 constants of size no larger than a pointer should go in the TOC.
11218 Add 'MODE' parameter.
11219 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
11220 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
11221 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
11222 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
11223 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
11224 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
11225 (rs6000_legitimize_address): Likewise.
11226 (rs6000_emit_move): Likewise.
11227 (rs6000_select_rtx_section): Likewise.
11228 (output_toc): Deal properly with outputting small constants like
11229 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
11230 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
11231 MODE parameter. Put small constants in the TOC.
11233 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
11235 (rs6000_emit_move): When reload calls us with an illegitimate
11236 address, exit early. Move the change_address calls to one place
11237 at the end of the routine. Merge the SImode and DImode expanders.
11238 When called by reload to put an integer into a FP register, force
11241 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
11243 (rs6000_hash_constant): Hash mode too.
11244 (toc_hash_function): Allow for key_mode.
11245 (toc_hash_eq): Structures are different if key_mode differs.
11246 (output_toc): Add 'mode' parameter. Save key_mode.
11247 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
11248 Pass 'mode' parameter.
11249 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
11251 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
11252 for vtable references.
11254 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
11255 choice, don't put integer values in FP regs.
11257 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
11259 * flow.c (verify_flow_info): Revamp code to verify that the
11260 head and end of each basic block are in the insn chain.
11262 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
11264 * gcse.c (record_one_set): Prepend instead of append onto
11265 reg_set_table, making it O(n) instead O(n^2).
11266 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
11267 Use a queue instead of a stack as worklist.
11269 2000-07-20 Kazu Hirata <kazu@hxi.com>
11271 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
11272 * h8300.h (OK_FOR_T): New.
11273 (EXTRA_CONSTRAINT): Support OK_FOR_T.
11274 * h8300.md: Use inc/dec.[wl] for increment/decrement
11275 by 1 and 2 in HI and SI modes.
11277 2000-07-20 Jim Wilson <wilson@cygnus.com>
11279 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
11280 larger than 14 bits.
11282 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
11284 * cppmacro.c (CAN_PASTE_AFTER): New macro.
11285 (count_params): Don't set GNU_REST_ARGS on anything.
11286 (save_expansion): Set PASTE_LEFT only on tokens for which
11287 CAN_PASTE_AFTER is true, or which are named operators.
11289 * cpplex.c (parse_args): Distinguish between a rest argument
11290 given one empty argument, and a rest argument given zero arguments.
11291 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
11292 deletion of previous token based on that.
11293 (get_raw_token): Flatten some control structure.
11295 * cpplib.h (CPP_LAST_EQ): Correct.
11296 (VOID_REST): New token flag.
11297 (GNU_REST_ARGS): Delete.
11299 * tradcpp.c (main): Don't munge -D options.
11300 (make_definition): Bring -D handling in line with cpplib.
11301 (do_define): Strip all leading whitespace from macro definitions.
11303 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
11305 * Makefile.in (tradcpp): Depend on intl.o and version.o.
11307 2000-07-20 Bruce Korb <bkorb@gnu.org>
11309 * fixincl/check.tpl: strip the platform specific types before testing
11310 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
11311 * fixincl/fixincl.tpl: use platform specific types
11312 * fixincl/fixlib.h: include the platform specific types
11313 * fixincl/inclhack.def(gnu_types): don't supply the types
11314 * fixincl/fixincl.x: regen
11316 2000-07-19 Jim Wilson <wilson@cygnus.com>
11318 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
11321 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11323 * tradcpp.c (rescan): Do not recognize directives when the #
11326 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11328 Implement C++ named operators.
11330 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
11331 of operators allowed in #if and having an _EQ variant. Add
11332 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
11333 (cpp_token flags): Add NAMED_OP.
11334 (enum node_type): Add T_OPERATOR.
11335 (struct cpp_hashnode): Add code slot to value union.
11336 * cpphash.h (spec_nodes): Remove n_defined.
11338 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
11339 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
11340 (is_macro_disabled): Tweak error messages.
11342 * cpplib.c (get_define_node): Disallow all named operators as
11343 macro names. Tweak error messages.
11344 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
11346 * cppinit.c (builtin_array): Add entries for the named operators.
11347 * cppexp.c (lex): Check for CPP_DEFINED token.
11348 (priority table): Add entries for CPP_MIN and CPP_MAX.
11349 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
11351 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
11353 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
11354 larger than the array of cuids.
11355 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
11358 2000-07-19 Bruce Korb <bkorb@gnu.org>
11360 * fixinc/fixincl.c: Convert to using a table of environment variables
11361 and activate the auto-edit marker on the fixed output files.
11362 * fixinc/fixlib.h: Define the environment table
11363 * fixinc/fixincl.sh: export the ${INPUT} dir
11364 * fixinc/check.tpl: likewise
11366 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11368 * gcc.c (.h spec): Fix typo.
11370 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
11372 * Makefile.in: Fix tradcif.c path.
11374 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11376 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
11379 * cpphash.h (TOKEN_NAME): New macro.
11380 (_cpp_spell_operator): Deleted.
11381 (token_spellings): Now _cpp_token_spellings.
11383 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
11384 * cpplex.c: Use OP and TK macros when expanding the
11385 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
11386 store the stringification of the enumeration name (CPP_CHAR,
11387 etc.) in the name slot of token_spellings.
11388 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
11389 token_spellings directly.
11390 * cpplib.c: Use TOKEN_SPELL.
11392 * cpplex.c (_cpp_push_token): If the token being pushed back
11393 is the previous token in this context, just subtract one from
11395 * cppmacro.c (save_expansion): Clear aux field when storing a
11398 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11400 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
11401 buffer, provided it is not NULL.
11403 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
11405 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
11406 case of invalid volatile re-declaration.
11408 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11410 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
11411 (expand_call): Adjust caller.
11413 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
11415 * diagnostic.h (report_diagnostic): Change prototype.
11417 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
11418 diagnostic_for_decl): Change prototype.
11419 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
11420 error, warning, error_with_file_and_line,
11421 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
11422 Adjust call to report_diagnostic, diagnostic_for_decl.
11423 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
11424 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
11426 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
11427 varaible argument list.
11429 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11431 * cpphash.c: Don't include hashtab.h. Most macro-handling code
11432 moved to cppmacro.c.
11433 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
11434 dump_hash_helper): Delete.
11435 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
11436 cpp_forall_identifiers): New. Implement specialized version of
11437 Vlad's expandable hash table.
11438 (cpp_lookup): Use new functions.
11439 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
11441 * cppmacro.c: New file.
11442 * cppinit.c (dump_macros_helper): New.
11443 (cpp_finish): Iterate over the identifier table directly.
11444 * cpplex.c (parse_name): Calculate the hash of the identifier
11445 while we scan it. Use _cpp_lookup_with_hash when we can.
11447 * cpphash.h: Update prototypes.
11448 (xcnewvec, HASHSTEP): New helper macros.
11449 * cpplib.h: Update prototypes.
11450 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
11451 (cppmacro.o): New rule.
11452 (cpphash.o): Update deps.
11454 * cppmain.c: Do not set pfile->printer if no_output is on.
11456 2000-07-15 Neil Booth <neilb@earthling.net>
11458 * cpplib.c: Change all directive-handler functions to return
11460 * cpphash.h: Update typedefs.
11462 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11464 * configure: Regenerate.
11466 * extend.texi (Extended Asm): Mention that a memory clobber
11467 does not count as a side-effect.
11469 * unroll.c (copy_loop_body): Fix one instance of using host
11470 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
11473 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
11475 2000-07-17 Richard Henderson <rth@cygnus.com>
11477 * config/ia64/ia64.md (movdi): Split out load address code.
11478 New post-reload splitter for symbolic operands.
11479 (movdi_internal): Abort if we didn't split symbolic operands
11480 when we should have.
11481 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
11482 (ia64_reorg): Split insns when not optimizing.
11483 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
11485 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11487 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
11488 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
11490 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11492 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
11494 2000-07-17 Jason Merrill <jason@redhat.com>
11496 * Makefile.in (clean): Remove libgcc directory.
11498 * configure.in (-Wno-long-long check): Use higher-level macros.
11500 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11502 * simplify-rtx.c (simplify_binary_operation): Recognize
11503 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
11504 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
11505 a CONST_INT, it will always be zero.
11507 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11509 * loop.c (check_dbra_loop) : Return if more than one condition is
11510 present to control the loop.
11512 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
11514 * mips.c (mips_expand_prologue): Don't calculate the last argument
11515 register unless we need it. When we are calculating this, make
11516 sure FUNCTION_ARG is giving us a REG.
11518 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11520 * flow.c (libcall_dead_p): Use single_set to verify the insn
11521 has only one set and get for analysis.
11522 (propagate_one_insn): Don't pass the PATTERN of the insn.
11524 2000-07-17 Mark Klein <mklein@dis.com>
11526 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
11528 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11530 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
11531 * configure.in (TARGET_GETGROUPS_T): Evaluate.
11532 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
11533 of second argument of getgroups.
11534 * configure, config.in: Rebuilt.
11536 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11538 * simplify-rtx.c (simplify_relational_operation): Two signed
11539 values with equal high words are less/greater than each other if
11540 their low words are less/greater when considered as unsigned.
11542 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
11544 * configure.in (vax-*-openbsd): Change to new style configuration,
11545 add collect2/float_format information.
11546 * configure: Rebuilt.
11547 * config/vax/openbsd1.h: New.
11548 * config/vax/openbsd.h: New.
11549 * config/vax/t-openbsd: New.
11551 2000-07-17 Chip Salzenberg <chip@valinux.com>
11553 * c-common.c (shorten_compare): Quiet warnings about unsigned
11554 comparisons with zero when they occur in a system header.
11556 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
11558 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
11559 update to describe current practice.
11561 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
11563 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
11564 references to C9X. Change references to -fstd and -flang-isoc9x
11567 * c-common.c (scan_char_table): Allow "z" length modifiers on
11569 (check_format_info): Use TYPE_DOMAIN on the type matched against
11570 for "z" formats, to retrieve the language size_t rather than the
11573 * c-common.c (check_format_info): Do not make a pedantic objection
11574 to the 'L' length modifier if used with a floating point type
11577 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
11578 constants in C99 mode.
11580 2000-07-17 Kazu Hirata <kazu@hxi.com>
11582 * h8300.md: Fix the format of mac.
11583 (movsi_h8300hs): Output a tab after stmac instead of a space.
11585 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
11586 profitable adds/subs sequences.
11588 * fold-const.c: Fix comment typos.
11590 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
11592 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
11594 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11596 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
11598 2000-07-16 Neil Booth <NeilB@earthling.net>
11600 * cpplex.c: Update comments.
11601 * README.Portability: Small update.
11603 2000-07-16 Neil Booth <NeilB@earthling.net>
11605 * README.Portability: Small update.
11607 2000-07-15 Richard Henderson <rth@cygnus.com>
11609 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
11610 * config/ia64/ia64.c (ia64_move_ok): New function.
11611 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
11612 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
11614 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
11616 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
11617 immediately following a paste operator.
11618 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
11619 (cpp_reader_init): Call it, if HOST_EBCDIC.
11620 (cpp_handle_options): Do not sort option list here.
11621 (handle_option): Rename to cpp_handle_option and export.
11622 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
11623 _cpp_get_token directly.
11624 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
11625 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
11626 * cpplib.h: Prototype cpp_handle_option. Update prototype of
11629 2000-07-15 Richard Henderson <rth@cygnus.com>
11631 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
11632 cast around an expression. Tidy other unsigned tests.
11634 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
11636 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
11637 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
11638 (v_message_with_decl): Rename to ...
11639 (format_with_decl): ... this. Tweak
11640 (diagnostic_for_decl): New function.
11641 (fatal_io_error): Use verbatim in lieu of notice.
11642 (announce_function): Use verbatim.
11643 (default_print_error_function): Likewise.
11644 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
11647 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11649 * mips.c (function_arg_pass_by_reference): Don't do automatic
11650 aggregate initialization.
11651 (machine_dependent_reorg): Initialize variable `mode'.
11653 * mips.md (absdi2): Change variable `regno1' to unsigned int.
11654 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
11655 conflicts with sys/param.h macro of the same name.
11656 (reload_outdi): Likewise.
11658 2000-07-15 Michael Meissner <meissner@redhat.com>
11660 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
11661 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
11662 create a new node instead.
11664 2000-07-15 Neil Booth <NeilB@earthling.net>
11666 * README.Portability: Correct example about calling a function
11667 through a pointer to function. Format wide paragraphs.
11669 2000-07-15 Michael Meissner <meissner@redhat.com>
11671 * README.Portability: Update integer suffixes and function
11672 prototype sections.
11674 2000-07-15 Neil Booth <NeilB@earthling.net>
11676 * README.Portability: Small update.
11678 2000-07-15 Neil Booth <NeilB@earthling.net>
11680 * README.Portability: New file.
11682 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
11684 * INSTALL: Give special instructions for building GCC on Irix 6.
11685 * config/mips/x-iris6 (CC): Don't set it.
11688 2000-07-14 Jason Merrill <jason@redhat.com>
11690 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
11691 register in the stack and later in another register, use the new
11694 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
11696 * config/mips/mips.md: (absdi2): Handle sign_extend for
11699 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
11701 * cpplib.c (do_pragma_dependency): Tidy warning messages.
11703 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
11705 * .cvsignore: Correct typo.
11707 2000-07-13 Mark Mitchell <mark@codesourcery.com>
11709 * .cvsignore: Add generated YACC files.
11710 * objc/.cvsignore: New file.
11712 2000-07-14 Neil Booth <NeilB@earthling.net>
11714 * cpplex.c (adjust_column): New funcion.
11715 (skip_whitespace): Use it.
11716 (skip_block_comment): Use it, and warn about /*/* with
11719 2000-07-14 Neil Booth <NeilB@earthling.net>
11721 * cpphash.c (struct macro_info): Add new members.
11722 (_cpp_free_definition): Delete the macro directly.
11723 (count_params): Return void, with first token of
11724 expansion in struct macro_info on success.
11725 (parse_define): Return int. Hoist syntax checking from
11726 save_macro_expansion. Leave call to save_expansion to
11727 _cpp_create_definition.
11728 (alloc_macro): Needs just 2 arguments.
11729 (free_macro): Delete.
11730 (save_expansion): Don't perform syntax check.
11731 (_cpp_create_definition): Call save_expansion.
11733 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11735 * genrecog.c (write_header): Split long string.
11737 * cpphash.c (macro_info): Don't use the `signed' keyword.
11739 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
11741 2000-07-13 Jakub Jelinek <jakub@redhat.com>
11743 * calls.c (stored_args_map): New variable.
11744 (check_sibcall_argument_overlap_1): New.
11745 (check_sibcall_argument_overlap): New.
11746 (expand_call): Initialize stored_args_map.
11747 Call check_sibcall_argument_overlap.
11749 2000-07-13 Bruce Korb <bkorb@gnu.org>
11751 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
11752 (emit_gnu_type): utility procedure for gnu_type_fix
11753 (gnu_type_fix): implement various pre-processor guards around
11754 standard types so these types can be defined over and over
11755 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
11756 types alluded to above will have GNU-compliant base types
11757 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
11758 * fixinc/inclhack.def: add test_text entries and utilize the new
11759 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
11760 * fixinc/fixincl.x: regenerate
11762 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11764 * diagnostic.c (vline_wrapper_message_with_location,
11765 v_message_with_file_and_line, v_error_with_file_and_file,
11766 v_error_for_asm, v_warning_for_asm, vfatal,
11767 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
11768 vsorry, verror, vwarning, vpedwarn): Remove.
11769 (diagnostic_for_asm): New function.
11770 (pedwarn, error, warning, pedwarn_with_file_and_line,
11771 error_with_file_and_line, warning_with_file_and_line, sorry,
11772 error_for_asm, warning_for_asm, fatal): Reimplement.
11773 (finish_diagnostic): Clear diagnostic info as well.
11775 2000-07-13 Neil Booth <NeilB@earthling.net>
11777 * c-common.h (flag_digraphs): New.
11778 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
11779 * c-lex.c (yylex): Use flag_digraphs to decide whether to
11782 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
11784 * gcc.c (do_spec_1): Add new %B operator.
11785 (set_input): Prepare for %B.
11787 (link_command_spec): Move up with the other tm.h-
11788 overrideable specs. Factor out the portion conditional on
11789 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
11790 (struct compiler): Just have a single spec string. All users
11792 (default_compilers): Remove unnecessary braces.
11793 (static_specs): Update.
11795 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
11797 (C and assembly specs): Use the new named specs, as appropriate.
11799 * objc/lang-specs.h: Use the new named specs.
11800 Remove unnecessary braces.
11802 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11804 * gcc.c (execute): If a subprocess gets a fatal signal, report
11805 strsignal() of the signal number, and ask for a bug report.
11806 Do not do this for SIGPIPE if there's already been an error.
11808 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
11809 Delete pipe_closed.
11811 * tradcif.c: Remove.
11813 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11815 * final.c (profile_function): Do not emit profile counters in
11816 the data section, if NO_PROFILE_COUNTERS is defined.
11817 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11820 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11821 (FUNCTION_PROFILER): Just emit a call to mcount.
11823 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11825 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11827 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11828 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11829 traditional, lang_chill, or lang_fortran.
11831 * cppfiles.c: #undef strcmp to suppress warning about macros
11832 used without arguments.
11833 (_cpp_execute_include): Use f, not fname, in "No include path"
11835 (_cpp_pop_file_buffer): New function.
11836 * cpplib.c: Don't include <sys/mman.h>.
11837 (cpp_push_buffer): Set line_base and lineno in new buffer.
11838 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
11840 * cpplex.c: Move all prototypes and structure declarations to the
11841 top of the file. Properly parenthesise some macro arguments.
11842 (cpp_scan_line): New function.
11843 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
11844 don't need to walk up the stack counting.
11846 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11848 * c-common.c (combine_strings): Emit a pedantic warning when a
11849 string length is greater than the minimum ANSI C is required
11852 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
11854 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
11855 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
11857 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11859 * c-decl.c (define_label): Warn about identifier conflicts with
11860 labels in traditional C.
11862 * c-parse.in (unop +): Warn about the unary plus operator for
11865 * c-typeck.c (store_init_value): Warn about automatic aggregate
11866 initialization for traditional C.
11868 * invoke.texi (-Wtraditional): Document new warnings.
11870 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11872 * Makefile.in (c-errors.o): Fix thinko in dependency.
11874 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11876 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
11877 -traditional, -ftraditional, or -traditional-cpp was given.
11878 Do not pass -traditional to the preprocessor.
11879 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
11880 preprocessor does it automatically.
11881 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
11883 * ch/lang-specs.h: Always use tradcpp. Do not pass
11884 -traditional, -trigraphs, or -pedantic to the preprocessor.
11885 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
11888 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11890 * cppexp.c (LOGICAL): Delete macro.
11891 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
11894 * cpphash.c (HASHSIZE): Increase to 4096.
11895 (struct hashdummy): Add hash field.
11896 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
11897 the string values using memcmp.
11898 (cpp_lookup): Set dummy.hash.
11900 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
11902 * configure.in (m88k-openbsd): Express configuration using new fragment
11904 * configure: Rebuilt.
11905 * m88k/aout-dbx.h: New.
11906 * m88k/openbsd.h: New.
11907 * m88k/xm-openbsd.h: New.
11909 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11911 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
11913 2000-07-12 Richard Henderson <rth@cygnus.com>
11915 * reload.c (push_secondary_reload): Make sure to add the new
11916 reload at the end, after acquiring secondary memory.
11918 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11920 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
11922 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
11923 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
11925 * c-parse.in (stmt): Delete unused variables.
11927 * convert.c (convert_to_vector): Likewise.
11929 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
11931 * tree.c (finish_vector_type): Prototype.
11933 2000-07-12 Bruce Korb <bkorb@gnu.org>
11935 * fixinc/fixfixes.c: use xmalloc
11936 * fixinc/fixincl.c(initialize): set program name for xmalloc
11937 * fixinc/fixlib.c(must_malloc): obsolete
11938 (is_cxx_header): no longer used - disabled
11939 (skip_quote): inserted and disabled for future use
11940 * fixinc/fixlib.h: reflects above
11941 * fixinc/fixtests.c: removed dinkleberries
11943 2000-07-12 Neil Booth <NeilB@earthling.net>
11945 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
11946 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
11948 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
11949 struct toklist_dummy): New.
11950 (cpp_free_definition): Free macros with free_macro.
11951 (count_params): Don't save paramter spellings. Save macro
11952 information in a struct macro_info.
11953 (parse_define): Don't allocate a token list.
11954 (save_expansion): Allocate the macro's token list, and
11955 save parameter spellings if necessary. Use TOKEN_SPELL.
11956 (cpp_create_definition): Make list const.
11958 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11960 * c-typeck.c (pedwarn_c99): Move to
11961 * c-errors.c: ... Here.
11962 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
11963 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
11964 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
11965 (c-errors.o): List dependency.
11967 2000-07-12 Mark Mitchell <mark@codesourcery.com>
11969 * c-parse.c: Remove.
11970 * c-parse.h: Likewise.
11971 * c-parse.y: Likewise.
11972 * objc/objc-parse.c: Likewise.
11973 * objc/objc-pasre.y: Likewise.
11975 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
11977 * gcc.texi: Fix minor typos
11978 * extend.texi: Fix minor typos
11980 2000-07-11 Marc Espie <espie@openbsd.org>
11982 * collect2.c (main): Recognize .lo as object files.
11984 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11986 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
11989 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
11990 with MAP_ANONYMOUS and MAP_ANON.
11991 * configure, config.in: Rebuilt.
11993 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11995 * diagnostic.c (save_output_state): Remove.
11996 (restore_output_state): Likewise.
11997 (clear_text_info): New function.
11998 (clear_diagnostic_info): Likewise.
11999 (output_text_length, is_starting_newline, output_prefix,
12000 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
12001 prefixing_policy, output_buffer_ptr_to_format_args): New macros
12002 (set_real_maximum_length, output_set_maximum_length,
12003 output_set_prefix, output_get_prefix, output_set_maximum_length,
12004 output_destroy_prefix, init_output_buffer,
12005 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
12006 output_add_newline, output_add_character, output_add_space,
12007 output_append_r, output_append, wrap_text, output_format,
12008 output_do_printf, output_printf, output_do_verbatim,
12009 output_verbatim, verbatim): Use them.
12010 (output_clear): Split into cleat_text_info and
12011 clear_diagnostic_info.
12012 (struct output_state): Move to...
12014 * diagnostic.h: ...Here
12015 (struct output_buffer): Adjust.
12017 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
12019 * cpplex.c (parse_name): No longer inline (premature optimization).
12020 (do_pop_context): Fold into pop_context.
12021 (pop_context): Returns int.
12022 (lex_next): Hoist test for end of directive into pop_context.
12023 (push_macro_context): Returns int; takes just reader and token.
12024 Hoist test for excessive nesting to caller.
12025 (push_arg_context): Returns void; takes just reader and token.
12026 Do not call stringify_arg or get_raw_token.
12027 (get_raw_token): Convert tail recursion through push_arg_context
12028 to a loop at this level. Call stringify_arg here if appropriate.
12029 (maybe_paste_with_next): Convert tail recursion to a while loop.
12030 Hoist test of paste_level to caller.
12032 (stringify_arg): Push arg context at beginning.
12033 (cpp_get_token): Split out core into _cpp_get_token. Call
12034 process_directive here. Throw away CPP_PLACEMARKER tokens.
12035 (_cpp_get_token): Convert tail recursion through
12036 push_macro_context to a loop at this level.
12037 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
12038 _cpp_get_raw_token): Use _cpp_get_token.
12039 (_cpp_skip_rest_of_line): Drop the context stack directly; do
12040 not call pop_context.
12041 (_cpp_run_directive): Call lex_next directly.
12043 * cpphash.h: Prototype _cpp_get_token.
12044 * cppexp.c (lex): Use it.
12045 * cpphash.c (parse_define): Use it.
12046 * cpplib.c (get_define_node, do_undef, parse_include,
12047 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
12048 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
12049 parse_ifdef, validate_else): Use it.
12050 (cpp_push_buffer): Tweak error message; abort if anyone tries
12051 to push a buffer while macro expansions are stacked.
12053 2000-07-11 Donn Terry <donnte@microsoft.com>
12055 * cpplex.c (free_macro_args, save_token): Cast arg of free
12056 and/or xrealloc to PTR.
12057 (_cpp_init_input_buffer): Clear all fields of the base context.
12059 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
12061 * gensupport.c (process_rtx): Make rtl checking stop
12062 complaining about the define_insn while it is being
12063 converted from a define_insn_and_split.
12065 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
12067 * config/mips/mips.c (simple_memory_operand): Access the
12068 INTVAL of the address, not it's containing MEM.
12070 2000-07-11 Bruce Korb <bkorb@gnu.org>
12072 * fixinc/fixtests.c(double_slash): obsolete
12073 (else_endif_label): likewise
12074 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
12075 (libc1_ifdefd_memx): correct initial comment
12076 and omit the #if/#endif pair from the memxxx declarations
12077 * fixinc/fixincl.x: regen
12079 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12081 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
12083 2000-07-11 Neil Booth <NeilB@earthling.net>
12085 * cpp.texi: Update.
12087 2000-07-11 Neil Booth <NeilB@earthling.net>
12089 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
12090 (handle_option): Set digraphs according to standard.
12091 Merge OPT_lang_c89 handler with OPT_std_c89.
12093 * cpplex.c: (lex_line, can_paste): Honour digraphs in
12094 accordance with the digraphs flag.
12096 * cpplib.h: (struct cpp_options): New option digraphs.
12098 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
12099 Bruce Korb <bkorb@gnu.org>
12101 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
12102 * fixinc/fixincl.x: Regenerate.
12103 * fixinc/tests/base/testing.h: Add testcase.
12105 2000-07-10 Richard Henderson <rth@cygnus.com>
12107 * config/ia64/ia64.c (got_symbolic_operand): New.
12108 (symbolic_operand, move_operand): Revert 0701 change.
12109 * config/ia64/ia64.h (PREDICATE_CODES): Update.
12110 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
12111 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
12112 split the offset into a 14-bit low part instead of a 13-bit low part.
12113 (load_fptr): Mark the mem as unchanging.
12114 (load_symptr): Use got_symbolic_operand.
12116 2000-07-10 Nick Clifton <nickc@cygnus.com>
12118 * libgcc2.c (next_stack_level): Cast result of computation to
12119 (void **) so that the assignment does not generate a warning.
12121 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
12123 * flags.h : Add new variable flag_single_precision_constant.
12124 * toplev.c (display_help) : Add -fsingle-precision-constant option.
12125 (flag_single_precision_constant): New.
12126 * c-lex.c (yylex): Convert floating point constant to single
12127 precision constant.
12128 * invoke.texi : Add documentation for this new option.
12130 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12132 * diagnostic.c (output_octal): Second parameter is unsigned.
12133 (output_long_octal): Likewise.
12134 (output_hexadecimal): Likewise.
12135 (output_long_hexadecimal): Likewise.
12136 (output_format): Adjust arguments extraction. Tweak.
12137 (output_verbatim, verbatim): End variable argument list.
12138 (report_diagnostic): Improve documentation.
12140 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
12142 * c-common.h (build_stmt): Declare.
12143 (build_continue_stmt): Likewise.
12144 (build_break_stmt): Likewise.
12145 (build_return_stmt): Likewise.
12147 * c-decl.c (do_case): Rewrite to do what previously done in
12150 * c-semantics.c (build_stmt): Define.
12151 (build_return_stmt): Likewise.
12152 (build_break_stmt): Likewise.
12153 (build_continue_stmt): Likewise.
12154 (build_case_label): Likewise.
12156 * c-parse.in (BREAK): Change to build tree, then generate RTL.
12157 (CONTINUE): Likewise.
12158 (RETURN): Likewise.
12160 (DEFAULT): Likewise.
12162 * c-parse.y: Regenerate.
12163 * c-pasre.c: Likewise.
12165 2000-07-09 Jason Merrill <jason@redhat.com>
12167 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
12169 * tree.h (STRIP_NOPS): Check for error_mark_node.
12170 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
12171 (dwarf2out_*): Remove duplicate declarations.
12173 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
12174 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
12176 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12178 * diagnostic.c (wrap_text): New function.
12179 (maybe_wrap_text): Likewise.
12180 (output_add_string): Use it.
12181 (output_format): Likewise.
12182 (count_error): Use verbatim instead of notice.
12183 (report_error_function): Likewise. Don't use plain fprintf.
12184 (finish_diagnostic): New function.
12185 (output_do_verbatim): Tweak. Commonalize functionalities in
12186 output_verbatim and verbatim.
12187 (output_verbatim): Adjust.
12188 (verbatim): Likewise.
12189 (report_diagnostic): Define.
12191 * diagnostic.h (report_diagnostic): Prototype.
12193 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
12195 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
12197 2000-07-09 Neil Booth <NeilB@earthling.net>
12199 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
12200 IShspace, ISspace: Update.
12202 * cppinit.c: ISTABLE: Update.
12205 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
12206 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
12207 (skip_block_comment, skip_line_comment, parse_string,
12208 lex_line): Use is_vspace rather than IS_NEWLINE.
12209 (skip_whitespace, lex_line): Clean up to use is_nvspace.
12210 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
12212 (lex_next): Unconditionally stop if within a directive.
12213 Treat directives within macro invocations as directives
12214 (after parse_args emits error), not as the argument.
12216 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
12218 * diagnostic.c (diagnostic_args): New macro.
12219 (diagnostic_msg): Likewise.
12220 (output_formatted_integer): Likewise.
12221 (output_state): New data type.
12222 (digit_buffer): Make global.
12223 (output_add_integer): Rename to output_decimal. Squeeze
12225 (output_long_decimal, output_unsigned_decimal,
12226 output_long_unsigned_decimal, output_octal, output_long_octal,
12227 output_hexadecimal, output_long_hexadecimal): New functions.
12228 (output_append_r): New function.
12229 (output_append): Tweak.
12230 (output_flush_on): Rename to output_to_stream.
12231 (output_format): Change prototype. Improve documentation. Handle
12232 more format specifiers.
12233 (build_location_prefix): Rename to context_as_prefix.
12234 (output_notice): Rename to output_do_printf.
12235 (output_printf): Tweak.
12236 (line_wrapper_printf): Likewise.
12237 (vline_wrapper_message_with_location): Adjust call to renamed
12239 (v_message_with_decl): Likewise.
12240 (default_print_error_function): Likewise.
12241 (save_output_state): New function.
12242 (restore_output_state): Likewise.
12243 (output_do_verbatim): Likewise.
12244 (output_verbatim): Define.
12245 (verbatim): Likewise.
12247 * diagnostic.h (printer_fn): Change return type from void to int.
12248 Improve documentation.
12249 (output_add_integer): Rename to output_decimal.
12250 (output_flush_on, output_format): Don't export.
12251 (output_verbatim, verbatim): Declare.
12253 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
12255 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
12256 Check whether c divides op1 exactly if operation is not
12259 2000-07-08 Richard Henderson <rth@cygnus.com>
12261 * final.c (final): Do not abort when reg-stack introduces
12264 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
12266 * cpplib.h (struct cpp_name): Now struct cpp_string.
12267 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
12268 CPP_HEADER_NAME): Change to type S.
12269 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
12270 field, a cpp_hashnode *. All references to val.name updated
12271 to use val.str or val.node as appropriate.
12272 (struct cpp_reader): Add spec_nodes field.
12273 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
12275 * cpphash.h (struct spec_nodes): New.
12276 (enum spell_type): Reorder. Only SPELL_STRING tokens use
12277 val.str. All references to 'spelling > SPELL_NONE' updated to
12280 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
12281 pfile->buffer->inc are not NULL before dereferencing them.
12283 * cpplex.c (parse_name): Take a pointer to the current token,
12284 plus current position and limit as args; return the new
12285 position; don't copy the text of a name into the string
12286 buffer, instead call cpp_lookup and store the node pointer.
12287 If extending a token, copy out the text of the old into a
12288 scratch buffer, append the new, look that up and store the new
12289 node pointer. Inline.
12290 (maybe_paste_with_next): If the result of paste is a NAME,
12291 then look up the pasted text and store its node pointer.
12292 (lex_line): Adjust for new parse_name interface.
12293 Check for L"str", L'str' using spec_nodes->n_L.
12294 (spell_token): SPELL_IDENT tokens have their spelling in
12295 val.node->name. Handle SPELL_STRING tokens that don't have
12297 (_cpp_expand_name_space,
12298 (can_paste): Check for L ## "str" using spec_nodes->n_L.
12299 (cpp_get_token, special_symbol): No need to call cpp_lookup.
12300 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
12301 return 1=equal 0=not, not a tristate.
12303 * cpphash.c (var_args_str): Delete.
12304 (find_param): Compare node fields directly.
12305 (is__va_args__): Use CPP_PEDANTIC. Just compare
12306 token->val.node with spec_nodes->n__VA_ARGS__.
12307 (dump_funlike_macro): Don't use var_args_str.
12309 * cpplib.c (_cpp_check_directive): Just walk through
12310 spec_nodes->dirs comparing pointers.
12311 (get_define_node, do_pragma_poison, detect_if_not_defined,
12312 parse_ifdef): The identifier has already been looked up.
12313 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
12315 (do_if): Only call detect_if_not_defined at beginning of file.
12316 (_cpp_parse_assertion): Only copy string pointers for
12317 SPELL_STRING tokens.
12318 (pragma_dispatch): Take a node pointer and examine its name
12320 (_cpp_init_stacks): Also initialize the spec_nodes structure.
12322 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
12324 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
12325 reverse order from the corresponding _cpp_init_* routines.
12327 * cppexp.c (parse_number, parse_charconst, parse_defined,
12328 lex): Check val.node->type instead of calling cpp_defined.
12329 Use spec_nodes entries where appropriate.
12331 * fix-header.c, scan-decls.c: Update for interface changes.
12333 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
12335 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
12336 emitting aux_truncdfsf2.
12338 2000-07-03 Donn Terry (donnte@microsoft.com)
12340 * cppinit.c (print_help): split overlong line into ISO C89
12343 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12345 * cppexp.c: Update all code for new lexer interface.
12346 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
12347 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
12348 * cpplex.c (token_names): Trim leading CPP_ from names; make
12349 the strings unsigned.
12350 (_cpp_spell_operator): New.
12351 (is_macro_disabled): Disable all macros if rescanning
12353 (_cpp_get_directive_token): Remove.
12355 * cppinit.c: Don't set no_macro_expand.
12356 * cpplib.c (read_line_number, do_line): Check only for EOF,
12358 * cpphash.h: Update prototypes.
12359 * cpplib.h (CPP_VSPACE): Remove.
12360 (struct cpp_reader): Remove no_macro_expand.
12362 2000-07-08 Neil Booth <NeilB@earthling.net>
12364 * cpphash.c (is__va_args__): New function.
12365 (count_params): Fix line reported in error messages. Use
12366 is__va_args__. Don't return ')' on error. Flag GNU style
12367 rest args macro definitions.
12368 (parse_define): Check macro name is not __VA_ARGS__.
12369 (save_expansion): Check identifier in non-varargs-macro is
12370 not __VA_ARGS__. Don't flag GNU_VARARGS.
12371 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
12372 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
12373 than per-token GNU_VARARGS.
12374 * cpplib.h (GNU_VARARGS): Remove.
12375 (GNU_REST_ARGS): New.
12377 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12379 * i386.md (call_pop, call, call_value_pop): Do not set
12380 current_function_uses_pic_offset_table for calls to static
12381 functions or indirect calls.
12383 2000-07-07 Jim Wilson <wilson@cygnus.com>
12385 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
12386 is_predicate_reg, then take max write_count of register pair.
12388 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12390 * tradcpp.c (main): Rename label `include' to `add_include' to
12391 avoid conflicts with variable `include' in traditional C.
12393 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12395 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
12397 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12399 * sibcall.c (uses_addressof): Add INMEM argument, check for
12400 current_function_internal_arg_pointer outside of MEM rtxs in addition
12402 (sequence_uses_addressof): Update caller.
12404 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12406 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
12409 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12411 * system.h (UNION_INIT_ZERO): New macro for initializing union
12412 members in structs.
12414 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
12416 2000-07-07 Neil Booth <NeilB@earthling.net>
12418 * cpp.texi: Update.
12420 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
12422 * final.c (final): Detect out of bounds array access to
12423 the insn_lengths array.
12425 2000-07-07 Kazu Hirata <kazu@hxi.com>
12427 * fold-const.c (fold): Fix a comment typo.
12429 2000-07-07 Neil Booth <NeilB@earthling.net>
12431 * cpp.texi: Update to new lexer.
12433 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12435 * tradcpp.c: New file.
12436 * tradcif.y: New file.
12437 * tradcif.c: New generated file.
12439 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
12440 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
12441 dependencies of C. Install tradcpp from install-common, in
12444 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12446 * cppinit.c: Include cppdefault.h. Refer to
12447 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
12448 to GCC_INCLUDE_DIR and its length.
12449 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
12450 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
12451 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
12453 (include_defaults_array): Move to cppdefault.c.
12455 * cppdefault.h: New file.
12456 * cppdefault.c: New file.
12458 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
12459 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
12460 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
12463 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12465 * reload.c (push_reload): When seeing if can reuse a register,
12466 check extra registers against widest of INMODE and OUTMODE.
12468 2000-07-06 Neil Booth <NeilB@earthling.net>
12470 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
12471 based on full length of predicate.
12473 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
12475 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
12476 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
12478 2000-07-05 Kazu Hirata <kazu@hxi.com>
12480 * h8300-proto.h: Fix formatting.
12481 * h8300.c: Likewise.
12482 * h8300.h: Likewise.
12484 2000-07-05 Jim Wilson <wilson@cygnus.com>
12486 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
12489 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
12491 * invoke.texi: Fix minor typos
12492 * md.texi: Fix minor typos
12494 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
12496 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
12498 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12500 * cpplex.c: Don't include sys/mman.h.
12501 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
12503 * cpplib.c: Include sys/mman.h and obstack.h.
12504 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
12506 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
12507 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
12508 bother freeing if stack entries (they will be freed with their buffer).
12509 (do_endif): Free if stack entries from the buffer obstack.
12510 (push_conditional): Allocate if stack entries from the buffer obstack.
12512 (find_answer): Rename to _cpp_find_answer.
12513 (do_assert, do_unassert): Update.
12515 * cpphash.h: Update prototypes.
12516 (xobnew): New convenience macro.
12517 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
12519 (struct cpp_hashnode): Remove disabled field.
12521 * cppinit.c: Don't include hashtab.h or splay-tree.h.
12522 (report_missing_guard): Moved to cppfiles.c.
12523 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
12525 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
12526 cpp_cleanup_includes. Don't destroy hashtab or
12527 all_include_files here.
12528 (cpp_finish): Use _cpp_report_missing_guards.
12530 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
12531 (_cpp_init_include_table): Rename _cpp_init_includes.
12532 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
12534 * cppexp.c (parse_assertion): Update for new name of
12537 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
12539 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12541 * cpplib.c (do_ident): s/VSPACE/EOF/
12543 2000-07-05 Neil Booth <NeilB@earthling.net>
12545 * cpplex.c: Fix trigraph replacement within strings.
12547 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12549 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
12551 * xcoffout.c (assign_type_number): Constify.
12552 (xcoffout_source_file): Add static prototype. Don't needlessly
12553 cast away const-ness.
12555 2000-07-04 Jason Merrill <jason@redhat.com>
12557 * frame.h (frame_state): Move base_offset to end.
12559 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12561 * calls.c (emit_library_call_value_1): Revert previous change.
12563 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12565 * fix-header.c (struct partial_proto): Remove unnecessary fields.
12566 (recognized_extern, recognized_function, read_scan_file):
12567 Update for new scheme.
12568 (check_protection): It's still a multiple include guard even
12569 if it doesn't always trigger.
12570 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
12572 * scan.h: Declare struct cpp_token. Update prototypes.
12574 2000-07-03 Neil Booth <neilb@earthling.net>
12575 Zack Weinberg <zack@wolery.cumb.org>
12577 Complete overhaul of the lexer and macro expander.
12579 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
12580 arg, arglist, argdata, reflist, collect_objlike_expansion,
12581 collect_funlike_expansion, collect_params,
12582 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
12583 unsafe_chars, macarg, compare_defs, special_symbol,
12584 scan_arguments, stringify, funlike_macroexpand,
12585 _cpp_quote_string, monthnames): Delete.
12586 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
12587 _cpp_create_definition, _cpp_dump_definition,
12588 dump_hash_helper): Adjust.
12589 (find_param, count_params, parse_define, var_args_str,
12590 check_macro_redefinition, save_expansion): New.
12592 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
12593 parse_string, output_line_command, trigraph_replace,
12594 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
12595 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
12596 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
12597 _cpp_skip_rest_of_line): Modify.
12599 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
12600 find_position, null_warning, bump_column, expand_name_space,
12601 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
12602 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
12603 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
12604 _cpp_prescan): Delete.
12606 (dump_param_spelling, process_directive, lex_next,
12607 is_macro_disabled, stringify_arg, expand_context_stack,
12608 output_token, make_string_token, alloc_number_token,
12609 special_symbol, duplicate_token, maybe_paste_with_next,
12610 can_paste, prevent_macro_expansion, restore_macro_expansion,
12611 get_temp_token, release_temp_tokens, quote_string,
12612 token_names, token_spellings, _cpp_expand_name_space,
12613 _cpp_glue_header_name, _cpp_reserve_name_space,
12614 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
12615 placemarker_token, eof_token, cpp_context, macro_args,
12616 get_raw_token, parse_arg, parse_args, save_token,
12617 push_arg_context, push_macro_context, pop_context,
12618 do_pop_context, free_macro_args, _cpp_get_line,
12619 _cpp_run_directive): New.
12621 * cpplib.c (validate_else, parse_include, push_conditional,
12622 pass_thru_directive, read_line_number, parse_ifdef,
12623 detect_if_not_defined, _cpp_check_directive, do_define,
12624 do_undef, do_include, do_import, do_include_next, do_error,
12625 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
12626 top_pragmas, do_pragma_gcc, do_pragma_implementation,
12627 do_pragma_poison, do_pragma_system_header,
12628 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
12629 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
12630 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
12631 cpp_defined): Update for new scheme.
12632 (strtoul_for_line, get_define_node, dump_macro_name,
12633 _cpp_check_linemarker, _cpp_parse_assertion): New.
12634 (_cpp_handle_directive, do_pragma_default): Delete.
12636 * cpphash.h (struct predicate): Now struct answer.
12637 (enum spell_type, struct token_spelling, struct directive,
12638 directive_handler): New.
12639 Update prototypes. Remove unused macros.
12640 * cpplib.h: Update prototypes. Remove unused macros,
12641 structure definitions, and fields.
12643 * cpperror.c (print_containing_files, v_message): Adjust.
12644 * cppexp.c (parse_assertion, lex, parse_escape,
12645 _cpp_parse_expr): Adjust.
12646 * cppfiles.c (open_include_file, _cpp_execute_include,
12647 _cpp_compare_file_date, cpp_read_file, read_include_file):
12649 * cppinit.c (dump_special_to_buffer): Delete.
12650 (append_include_chain, merge_include_chains, cpp_reader_init,
12651 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
12652 cpp_finish, handle_option, print_help): Adjust.
12653 * cppmain.c (main): Adjust.
12655 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12657 * cppspec.c (lang_specific_driver): Use double quotes in error
12660 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12662 * calls.c (emit_library_call_value_1): Use valreg instead
12663 of hard_libcall_value.
12665 2000-07-03 Geoff Keating <geoffk@cygnus.com>
12667 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
12668 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
12669 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
12677 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
12678 mode instead of wider_mode is being used.
12680 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12682 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
12683 of 'r'. Use q_regs_operand.
12684 (andsi_1+2): Use q_regs_operand.
12686 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12688 * builtins.c (get_memory_rtx): Always put into alias set 0.
12690 2000-07-03 Nick Clifton <nickc@cygnus.com>
12692 * config/arm/arm.md: Fix post increment and pre increment
12693 peepholes so that they do not generate UNPREDICATBLE opcodes.
12694 (ie ones where the increment clobbers the source/destination).
12696 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
12698 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
12699 change too big for -mtiny-stack" a warning, if larger than 63.
12700 (out_set_stack_ptr): Change the logic so -mno-interrupts is
12701 always safe to use on possible future devices.
12702 (function_prologue): Write SPH before SPL, for consistency.
12703 If interrupt_func_p true, we know we have enabled interrupts.
12704 (avr_num_arg_regs): New function. Round up to even number of
12705 bytes if no -mpack-args or if calling a libgcc function.
12706 (function_arg, function_arg_advance): Use it.
12707 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
12708 Output "movw" if available.
12709 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
12710 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
12711 (asm_output_section_name): Add blanks for consistent output.
12712 (encode_section_info): Set TREE_READONLY for progmem data to
12713 avoid gas warnings about changed section attributes.
12714 (avr_hard_regno_mode_ok): Force non-QImode data to start in
12715 even numbered registers on devices with "movw".
12716 * config/avr/avr.h (MASK_*): Define bits for target_flags.
12717 (TARGET_SWITCHES): Mark help strings for translation.
12718 Add new -mpack-args and -menhanced switches.
12719 (TARGET_OPTIONS): Mark help strings for translation.
12720 (progmem_section): Add section attributes.
12721 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
12722 Output "movw" if available.
12723 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
12725 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
12726 call convention (arguments aligned on even registers).
12727 (_cleanup, _exit): Make weak symbols libc can override.
12729 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12731 * fp-bit.h: New file.
12733 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
12734 Comment #endif statements.
12735 (__thenan_sf, __thenan_df): Add missing braces around initializer.
12737 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
12739 * gcse.c (compute_pre_data): Compute ae_kill using other local
12740 properties instead of calling compute_ae_kill.
12742 * alias.c (init_alias_analysis): Do not call
12743 prologue_epilogue_contains until after reload has completed.
12745 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
12747 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
12748 (genrtl_finish_compound_stmt): Likewise.
12749 (genrtl_compound_stmt): Change to return void.
12751 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
12752 move code from here to ...
12753 (genrtl_compound_stmt): ... here.
12754 (genrtl_finish_compound_stmt): Remove.
12755 (expand_stmt): Add comment.
12757 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
12759 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
12762 2000-07-02 Jakub Jelinek <jakub@redhat.com>
12764 * cpplib.h (struct cpp_reader): New field include_depth.
12765 (struct cpp_printer): Rename last_bsd to last_id.
12766 * cppfiles.c (read_include_file): Bump include_depth.
12767 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
12768 (output_line_command): Output correct #line if a header
12769 is including itself and is not protected against multiple inclusion.
12770 Use include_depth instead of buffer_stack_depth, last_id instead of
12772 * cppinit.c (cpp_start_read): Initialize last_id instead of
12775 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
12777 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
12778 (c-semantics.o): New target.
12780 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
12781 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
12782 (genrtl_clear_out_block): Likewise.
12783 (genrtl_goto_stmt): Likewise.
12784 (genrtl_expr_stmt): Likewise.
12785 (genrtl_decl_stmt): Likewise.
12786 (genrtl_if_stmt): Likewise.
12787 (genrtl_while_stmt): Likewise.
12788 (genrtl_do_stmt): Likewise.
12789 (genrtl_return_stmt): Likewise.
12790 (genrtl_for_stmt): Likewise.
12791 (genrtl_break_stmt): Likewise.
12792 (genrtl_continue_stmt): Likewise.
12793 (genrtl_scope_stmt): Likewise.
12794 (genrtl_switch_stmt): Likewise.
12795 (genrtl_case_label): Likewise.
12796 (genrtl_begin_compound_stmt): Likewise.
12797 (gerntl_finish_compound_stmt): Likewise.
12798 (genrtl_compound_stmt): Likewise.
12799 (genrtl_asm_stmt): Likewise.
12800 (genrtl_decl_cleanup): Likewise.
12801 (DECL_ANON_UNION_ELEMS): Likewise.
12802 (emit_local_var): Likewise.
12803 (make_rtl_for_local_static): Likewise.
12804 (expand_cond): Likewise.
12805 (expand_stmt): Likewise.
12806 (c_expand_return): Likewise.
12807 (c_expand_start_case): Likewise.
12808 (do_case): Likewise.
12809 (COMPOUND_STMT_NO_SCOPE): Likewise.
12810 (c_expand_asm_operands): Likewise.
12811 (NEW_FOR_SCOPE_P): New macro.
12812 (expand_expr_stmt_fn): New type.
12814 (set_current_function_name_declared): Likewise.
12815 (current_function_name_declared): Likewise.
12816 (lang_expand_stmt): Likewise.
12817 (stmts_are_full_exprs_p): Likewise.
12818 (anon_aggr_type_p): Likewise.
12819 (lang_expand_expr_stmt): Likewise.
12820 (build_case_label): Likewise.
12822 * c-decl.c (lang_expand_expr_stmt): Initialize.
12823 (stmts_are_full_exprs_p): Define.
12824 (current_function_name_declared): Likewise.
12825 (do_case): Likewise.
12826 (lang_expand_stmt): Likewise.
12827 (set_current_function_name_declared): Likewise.
12828 (anon_aggr_type_p): Likewise.
12830 * c-semantics.c: New file.
12831 (expand_cond): Moved from cp/semantics.c.
12832 (genrtl_do_pushlevel): Likewise.
12833 (genrtl_clear_out_block): Likewise.
12834 (genrtl_goto_stmt): Likewise.
12835 (genrtl_expr_stmt): Likewise.
12836 (genrtl_decl_stmt): Likewise.
12837 (genrtl_if_stmt): Likewise.
12838 (genrtl_while_stmt): Likewise.
12839 (genrtl_do_stmt): Likewise.
12840 (genrtl_return_stmt): Likewise.
12841 (genrtl_for_stmt): Likewise.
12842 (genrtl_break_stmt): Likewise.
12843 (genrtl_continue_stmt): Likewise.
12844 (genrtl_scope_stmt): Likewise.
12845 (genrtl_switch_stmt): Likewise.
12846 (genrtl_case_label): Likewise.
12847 (genrtl_begin_compound_stmt): Likewise.
12848 (genrtl_finish_compound_stmt): Likewise.
12849 (genrtl_compound_stmt): Likewise.
12850 (genrtl_asm_stmt): Likewise.
12851 (genrtl_decl_cleanup): Likewise.
12852 (make_rtl_for_local_static): Moved from cp/decl.c.
12853 (emit_local_var): Likewise.
12854 (expand_stmt): Define.
12856 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
12857 (c_expand_return): Likewise.
12858 (c_expand_start_case): Likewise.
12860 2000-07-01 Richard Henderson <rth@cygnus.com>
12862 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
12863 with the low 13 bits set.
12864 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
12865 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
12866 of the low 13 bits into a CONST plus an adddi3.
12867 (load_symptr): Set RTX_UNCHANGING_P.
12869 See ChangeLog.3 for earlier changes.