1 2000-06-01 Bruce Korb <bkorb@gnu.org>
3 * fixinc/tests/base/...: new base result files
5 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
7 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
8 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
9 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
12 2000-06-01 Richard Henderson <rth@cygnus.com>
14 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
16 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
18 2000-05-31 Richard Henderson <rth@cygnus.com>
20 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
21 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
22 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
24 2000-05-31 Richard Henderson <rth@cygnus.com>
26 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
27 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
28 (ia64_print_operand) [+]: ... here. Use current_output_insn.
29 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
30 * config/ia64/ia64.md (all branch/call patterns): Use %+.
32 2000-05-31 Richard Henderson <rth@cygnus.com>
34 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
36 2000-05-31 Richard Henderson <rth@cygnus.com>
38 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
40 (find_if_block): Allow THEN with no outgoing edges.
41 * flow.c (merge_blocks_nomove): Remove a barrier not following
44 2000-05-31 Richard Henderson <rth@cygnus.com>
46 * flow.c (propagate_block): Move initialization of mem_set_list ...
47 (init_propagate_block_info): ... here. Also track blocks with
48 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
50 2000-05-31 Richard Henderson <rth@cygnus.com>
52 * jump.c (jump_optimize_1): Revert 05-18 change.
54 2000-05-31 Mark Mitchell <mark@codesourcery.com>
56 * invoke.texi: Remove documentation for -fguiding-decls.
58 2000-05-31 Richard Henderson <rth@cygnus.com>
60 * configure.in: Fix typo last change.
62 2000-05-31 Philipp Thomas <pthomas@suse.de>
64 * configure.in (enable-nls): Enable if build == host, i.e. when
65 not building a canadian cross compiler.
66 (enable-maintainer-mode): Added for use with i18n.
67 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
68 cross section of ALL_LINGUAS and LINGUAS.
71 2000-05-31 Bruce Korb <bkorb@gnu.org>
73 * fixinc/check.tpl: rework to use test result tree
74 * fixinc/Makefile.in: change invocation of check script
75 * fixinc/check.diff: No longer needed
76 * fixinc/fixincl.x: regenerate
77 * fixinc/inclhack.def: add new tests
78 * fixinc/tests/base/arch/i960/archI960.h: New test result
79 * fixinc/tests/base/curses.h: modified test result
80 * fixinc/tests/base/stdio.h: ditto
81 * fixinc/tests/base/time.h: ditto
82 * fixinc/tests/base/sys/asm.h: ditto
83 * fixinc/tests/base/sys/stat.h: ditto
84 * fixinc/tests/base/sys/wait.h: ditto
86 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
88 * except.c (clear_function_eh_region): Do not free NULL.
90 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
92 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
93 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
94 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
95 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
96 (find_base_decl): New function, from c_find_base_decl in c-common.c.
97 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
98 (get_alias_set): Likewise.
99 Major rework to do more things and allow language-specific code
100 to just handle special-cases.
101 (record_alias_subset): Args are HOST_WIDE_INT.
102 (record_component_alias): Local vars are HOST_WIDE_INT.
103 Don't handle COMPLEX_EXPR.
104 (get_varargs_alias_set): Moved from builtins.c.
105 (get_frame_alias_set): New function.
106 * builtins.c (expand_builtin_return_address): Use frame alias set.
107 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
109 (get_memory_rtx): Rework to use set_mem_attributes.
110 (get_varargs_alias_set): Deleted from here.
111 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
112 (c_find_base_decl): Deleted from here.
113 (c_get_alias_set): Remove many cases and rework to just handle
115 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
116 * c-decl.c (rtl.h, expr.h): Now included.
117 (init_decl_processing): Call record_component_aliases on array types.
118 (grokdeclarator): Likewise.
119 Set TREE_ADDRESSABLE for all fields that are not bitfields.
120 * c-typeck.c (common_type): Call record_component_aliases for array.
121 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
122 Set all save areas to the frame alias set.
123 * calls.c (initialie_argument_information): Call set_mem_attributes.
124 (compute_argument_addresses, expand_call): Likewise.
125 * explow.c (set_mem_attributes): New function.
126 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
127 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
128 LEN and OFFSET now HOST_WIDE_INT.
129 (clear_by_pieces): Similar changes.
130 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
131 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
132 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
133 (clear_by_pieces_1): Likewise.
134 (emit_push_insn): Call set_mem_attributes.
135 (expand_expr, case INDIRECT_REF): Likewise.
136 (expand_expr, case VAR_DECL): Call change_address.
137 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
139 (get_varargs_alias_set, get_frame_alias_set): New decls.
140 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
141 (new_alias_set, set_mem_attributes): Likewse.
142 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
143 (assign_stack_temp_for_type): Likewise.
144 Can split slot even if alias set since can copy.
145 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
146 (assign_temp): Use host_integerp and tree_low_cst.
147 (put_var_into_stack): Properly handle SAVE_EXPR.
148 (put_addressof_into_stack): Likewise.
149 (assign_parms): Call set_mem_attributes.
151 (fix_lexical_address): Put reference to chain into frame alias set.
152 (expand_function_start): Call set_mem_attributes.
153 * integrate.c (expand_inline_function): Likewise.
154 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
155 * regmove.c (try_apply_stack_adjustment): Likewise.
156 * reload.c (push_reload, make_memloc): Likewise.
157 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
158 * rtl.def (MEM): Update comment.
159 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
160 (move_by_pieces): Change length to HOST_WIDE_INT.
161 (record_base_value, record_alias_subset): Delete from here.
162 * stmt.c (expand_decl): Call set_mem_attributes.
163 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
164 * toplev.c (compile_file): Call init_alias_once earlier.
165 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
166 from here: now in alias.c.
167 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
168 (struct tree_decl): Likewise.
169 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
170 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
171 (output_constant_def, force_const_mem): Likewise.
173 * flow.c (propagate_block): If block has no successors, stores to
174 frame are dead if not used.
176 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
178 * stmt (expand_end_case): Reorder conversion sequence for jump
179 table to avoid extra truncations.
181 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
183 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
184 in the block is more than just a simple conditional branch.
185 (noce_process_if_block): Similarly.
187 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
189 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
192 2000-05-30 Michael Meissner <meissner@redhat.com>
194 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
195 instructions. Treat LO_SUM operations as loading the full integer
198 2000-05-30 Richard Henderson <rth@cygnus.com>
200 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
202 2000-05-30 Richard Henderson <rth@cygnus.com>
204 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
206 2000-05-30 Bruce Korb <bkorb@gnu.org>
208 * fixinc/tests/*: Added expected result files for fixinc's make check
209 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
211 2000-05-30 Richard Henderson <rth@cygnus.com>
213 * config/alpha/alpha.md (*setne_internal): Use match_operator
214 instead of working down from insn.
216 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
218 * invoke.texi (-Wtraditional): Update WRT function macros.
220 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
222 * except.c (free_exception_table): Do not free NULL.
224 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
226 * cpplib.c (do_if): Don't save and restore only_seen_white here.
227 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
230 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
232 * flow.c (mark_used_reg): If a register is unconditionally live,
233 remove any conditional death information.
235 2000-05-29 Richard Henderson <rth@cygnus.com>
237 * final.c (current_output_insn): New.
238 (final_scan_insn): Set it.
239 * output.h: Declare it.
241 2000-05-29 Richard Henderson <rth@cygnus.com>
243 * stor-layout.c (finalize_record_size): Fix typo.
245 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
248 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
250 * cpplib.h (cpp_reader): Remove if_stack. Change
251 potential_control_macro to a cpp_hashnode *. Add skipping flag.
252 * cpphash.h (struct ihash): Change control_macro to a
253 cpp_hashnode * and shorten name to cmacro.
254 Add NEVER_REINCLUDE constant.
256 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
257 Examine the cmacro node directly, no need to call cpp_defined.
258 (_cpp_execute_include, read_include_file): Set cmacro to
259 NEVER_REINCLUDE, not U"".
260 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
261 (cpp_get_token): If pfile->skipping is true, discard text and
262 keep scanning until we hit a directive; don't expand macros.
264 * cpplib.c (struct if_stack): Remove if_succeeded, add
265 was_skipping. Change control_macro to a cpp_hashnode * and
266 shorten name to cmacro. Remove typedef IF_STACK.
267 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
268 (conditional_skip, skip_if_group,
269 consider_directive_while_skipping): Delete.
270 (push_conditional): New.
271 (_cpp_handle_directive): Don't process directives other than
272 conditionals if we are skipping.
274 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
275 Update to new scheme.
276 (validate_else): Skip rest of line here, unconditionally.
277 (_cpp_unwind_if_stack): The stack is per-buffer. Force
280 (all): Remove `scare quotes' from error messages.
282 2000-05-29 Richard Henderson <rth@cygnus.com>
284 * function.c (emit_return_into_block): New line_note arg; emit it.
285 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
286 for the close brace to accompany HAVE_return. Move all line notes
287 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
289 2000-05-29 Richard Henderson <rth@cygnus.com>
291 * longlong.h [__alpha] (count_leading_zeros): New.
292 (count_trailing_zeros): New.
293 (COUNT_LEADING_ZEROS_0): New.
295 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
296 (alpha_split_conditional_move): New.
297 * config/alpha/alpha-protos.h: Prototype them.
298 * config/alpha/alpha.h (PREDICATE_CODES): Update.
299 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
300 * config/alpha/alpha.md: Update ffs cix commentary.
302 (*nabssf2, *nabsdf2): New.
303 (*mov[qhsd]icc_internal): Use add_operand.
304 (if_then_else constant splitters): New.
305 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
306 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
308 2000-05-29 Richard Henderson <rth@cygnus.com>
310 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
311 a constant to NEG or NOT when conditions allow.
313 * combine.c (combine_simplify_rtx): Don't create an if_then_else
314 unless both args are general_operand. Don't canonicalize plus
315 to ior unless it helps.
317 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
318 instead track register_life_up_to_date. Toggle no_new_pseudos
321 2000-05-28 Geoff Keating <geoffk@cygnus.com>
323 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
324 so output_operand doesn't see them.
326 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
328 * lcm.c (make_preds_opaque): Fix comment.
329 (optimize_mode_switching): Use NORMAL_MODE instead of
330 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
331 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
332 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
333 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
334 (MODE_USES_IN_EXIT_BLOCK): Delete.
335 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
336 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
337 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
338 (MODE_NEEDED): Don't look for USE.
339 (EPILOGUE_USES): Define.
341 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
343 * mklibgcc.in (all): Variable initialised to `libgcc'.
345 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
347 * toplev.h (skip_leading_substring): New macro.
348 * toplev.c (decode_f_option): Use skip_leading_substring instead
350 (decode_W_option): Likewise.
352 2000-05-28 Nick Clifton <nickc@cygnus.com>
354 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
357 2000-05-28 Richard Henderson <rth@cygnus.com>
359 * regclass.c (record_operand_costs): Protect reg_changes_size
360 with CLASS_CANNOT_CHANGE_SIZE.
362 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
364 2000-05-28 Richard Henderson <rth@cygnus.com>
366 * function.c (diddle_return_value): A pcc-style struct return
369 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
371 * cppfiles.c: Read files in, using mmap if possible, then
372 prescan them separately.
373 (read_file, read_with_read): New functions.
374 * cpplex.c: Don't define UCHAR_MAX.
375 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
378 * cppinit.c (handle_option): Automatically define __cplusplus,
379 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
380 the respective -lang switch.
382 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
383 prototype): Move to...
384 * cpplib.h: ... here. Rename struct hashnode to struct
385 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
386 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
388 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
390 * config/rs6000/rs6000.md (movsi): Constify 'name'.
392 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
393 (class_can_change_size): New variable.
394 (reg_changes_size): New variable.
395 (init_reg_sets_1): Initialise class_can_change_size.
396 (record_operand_costs): Remove subreg_changes_size.
397 Don't pass it around. Instead update reg_changes_size.
398 (regclass): Initialise and free reg_changes_size. If a register
399 changes size, don't preference it to a class that contains
400 registers that can't change size.
401 (record_reg_classes): Don't look at subreg_changes_size.
403 2000-05-27 Richard Henderson <rth@cygnus.com>
405 * print-rtl.c (reg_names): Remove const.
406 * regclass.c (reg_names): Likewise.
407 * regs.h (reg_names): Likewise.
408 * hard-reg-set.h (reg_names): Likewise.
410 2000-05-27 Richard Henderson <rth@cygnus.com>
412 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
414 2000-05-27 Richard Henderson <rth@cygnus.com>
416 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
417 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
418 (alpha_expand_prologue): Emit prologue_mcount if needed.
419 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
420 * config/alpha/alpha.md (prologue_mcount): New.
421 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
422 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
423 * config/alpha/netbsd.h: Likewise.
425 2000-05-27 Richard Henderson <rth@cygnus.com>
427 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
428 change to config/elfos.h.
430 2000-05-27 Richard Henderson <rth@cygnus.com>
432 * Makefile.in (resource.o): Depend on except.h.
433 * except.h (output_exception_table_data): Prototype.
434 * genconfig.c (gen_peephole2): Prototype.
435 * genemit.c (main): Include ggc.h.
436 * genoutput.c: Revert parts of last change: include errors.h
437 (main): Set progname.
438 * recog.c: Include hard-reg-set.h before recog.h.
439 * resource.c: Include except.h.
441 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
443 (alpha_write_linkage): Protect with BUFSIZ.
444 (alpha_need_linkage): Update prototype.
445 * config/alpha/alpha.c (function_arg): Move VMS code here.
446 (alpha_links_base): Remove.
448 (mark_alpha_links_node, mark_alpha_links): New.
449 (alpha_write_one_linkage): New.
450 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
451 (alpha_write_linkage): Use splay_tree_foreach.
452 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
453 to get the linkage symbol.
454 (call_value_vms): Likewise.
455 * config/alpha/elf.h (output_file_directive): Remove decl.
456 (ctors_section, dtors_section): Prototype.
457 (sbss_section, sdata_section): Prototype.
458 * config/alpha/vms.h (FUNCTION_ARG): Remove.
459 (readonly_section, link_section, literals_section): Prototype.
460 (ctors_section, dtors_section): Prototype.
461 (vms_valid_decl_attribute_p): Remove decl.
462 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
464 2000-05-27 Geoff Keating <geoffk@cygnus.com>
466 * reload.c (get_secondary_mem): Don't widen floating-point modes.
468 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
469 substituting the REG in a (subreg:X (reg:Y ...)).
471 2000-05-28 Neil Booth <NeilB@earthling.net>
473 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
474 first token of a line BOL. Update EOF code for this.
475 Remove illegal directive check - it appears in the (not
476 yet committed) caller.
477 * cpplib.h (BOL): New flag.
479 2000-05-28 Neil Booth <NeilB@earthling.net>
481 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
482 (_cpp_free_toklist): No comment space to free.
483 (expand_comment_space): Remove.
484 (save_comment_space): Place the comment in the current token and
485 not in a separate comment space.
486 (_cpp_lex_line): Save comments during plain code and #define
488 * cpplib.h (struct _cpp_toklist): Remove comment space.
490 2000-05-28 Neil Booth <NeilB@earthling.net>
492 * cppexp.c (parse_assertion): Supply extra argument to
494 * cpplib.c (do_assert, do_unassert): Similarly.
495 * cpphash.h (_cpp_init_toklist) Update.
496 (_cpp_expand_token_space): New.
497 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
498 * cpplex.c (_cpp_init_toklist): New argument.
499 (parse_string2): New argument multiline_ok.
500 (spell_token): Take a const cpp_token *.
501 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
502 (SPELL_ macros): Replace with enum.
503 (expand_token_space): Replace with _cpp_expand_token_space.
505 (IS_DIRECTIVE): Update.
506 (_cpp_lex_line): Update token structure before parsing number.
507 Don't assume start at beginning of token list.
508 (save_comment): Use INIT_TOKEN_NAME.
510 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
512 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
513 -Wmissing-prototypes.
514 * configure: Regenerate.
515 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
517 * builtins.c, calls.c: Change all instances of gen_call_* or
518 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
519 * calls.c (struct_value_size_rtx): Separate definition from
520 initialization to avoid unused variable warning.
522 * genflags.c (gen_macro): New function.
523 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
524 (gen_nonproto): Delete.
525 (gen_insn): Put all insns on the same obstack.
526 (main): Generate prototypes for everything unconditionally.
528 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
529 out check for wchar_t.
530 * acconfig.h: Add template for ssize_t. Remove @TOP@.
531 * system.h: Add infrastructure for defining missing
532 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
533 definitions of UCHAR_MAX and SSIZE_MAX.
534 * configure: Regenerate.
535 * config.in: Regenerate.
537 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
538 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
540 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
541 libgcc2.a, or libgcc1.null.
543 2000-05-27 Richard Henderson <rth@cygnus.com>
545 * Makefile.in (recog.o): Don't depend on resource.h.
546 * recog.c: Don't include resource.h.
547 (recog_last_allowed_insn): Remove.
548 (recog_next_insn): Remove.
549 (struct peep2_insn_data): New.
550 (peep2_insn_data, peep2_current): New.
551 (peep2_next_insn): New.
552 (peep2_regno_dead_p, peep2_reg_dead_p): New.
553 (peep2_find_free_register): New.
554 (peephole2_optimize): Track life information by insn as we go.
555 * recog.h: Update declarations.
556 * resource.c (find_free_register, reg_dead_p): Remove.
557 * resource.h: Remove their declarations.
558 * toplev.c: Include hard-reg-set.h before recog.h.
560 * genconfig.c (max_insns_per_peep2): New.
561 (gen_peephole2): New.
563 * genemit.c (output_peephole2_scratches): Generate calls to
564 peep2_find_free_register; adjust surrounding code.
565 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
566 * genrecog.c (change_state): Don't track last_insn.
567 (write_action): Write into *_pmatch_len before accepting.
568 (write_tree): Adjust peephole2_insns and subroutines to match.
570 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
572 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
573 (hard_int_register_operand): New.
574 * config/alpha/alpha-protos.h: Declare it.
575 * config/alpha/alpha.h (PREDICATE_CODES): Update.
576 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
577 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
579 2000-05-27 Richard Henderson <rth@cygnus.com>
581 * function.c (thread_prologue_epilogue_insns): Don't move the
582 line note at the head of the chain. Only force a lineno note
583 before the end of block 0.
585 2000-05-27 Richard Henderson <rth@cygnus.com>
587 * gensupport.c (collect_insn_data): Record the maximum number
588 of alternatives, not the last seen.
590 * genoutput.c: Don't include errors.h.
591 (struct data): Add lineno member.
593 (scan_operands): Use message_with_line instead of error.
594 (validate_insn_alternatives): Likewise.
595 (gen_insn): Accept and store the pattern's line number.
596 (gen_peephole, gen_expand, gen_split): Likewise.
597 (main): Don't set progname. Pass line_no to gen_foo.
599 2000-05-27 Richard Henderson <rth@cygnus.com>
601 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
602 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
603 * config/d30v/d30v.md (attr predicable): New.
604 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
605 (andsi3*): Unify into one pattern.
606 (iorsi3*, xorsi3*): Likewise.
607 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
609 (old cond_exec patterns): Remove.
610 (define_cond_exec): New.
612 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
614 * tree.h (TREE_CODE_LENGTH): New macro.
615 * c-common.c (c_find_base_decl): Use it.
616 * expr.c (safe_from_p): Likewise.
617 * print-tree.c (print_node): Likewise.
618 * tree.c (make_node, copy_node, get_identifier): Likewie.
619 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
620 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
621 * fold-const.c (make_range): Likewise.
622 (fold): Likewise; also use first_rtl_op.
623 * c-iterate.c (collect_iterators): Use first_rtl_op.
624 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
625 Use IS_EXPR_CODE_CLASS.
626 (preexpand_calls): Likewise.
627 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
628 and TREE_CODE_LENGTH.
629 * stmt.c (warn_if_unused_value): If no operands, no unused value.
631 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
633 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
635 (movdi_internal64): Likewise.
637 * config/rs6000/rs6000.md: Correct order of operands for DImode
640 * config/rs6000/rs6000.c (boolean_or_operator): New function.
641 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
642 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
643 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
644 boolean_operator for the boolean patterns without NOTs.
646 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
647 from reg_or_u_cint_operand. Change comment and behaviour.
648 (logical_operand): Clean up, add assertion.
649 (non_logical_cint_operand): Also check for
650 reg_or_logical_cint_operand.
651 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
652 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
658 2000-05-26 Mark Mitchell <mark@codesourcery.com>
660 * tree.h (struct record_layout_info): Rename to (struct
661 record_layout_info_s).
662 * stor-layout.c (start_record_layout): Replace
663 `record_layout_info' with `record_layout_info_s'.
665 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
667 * flow.c (find_label_refs): New function.
668 (find_basic_blocks_1): Call it for each alternative of a call
671 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
673 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
676 2000-05-25 Richard Henderson <rth@cygnus.com>
678 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
679 so strict about DImode.
680 (alpha_swapped_comparison_operator): Likewise.
681 * config/alpha/alpha.md (*setne_internal): Name it. Allow
682 any integer output mode.
683 (*setcc_internal): Likewise.
684 (*setcc_swapped_internal): Likewise.
685 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
686 (*mov[qhs]icc_internal): New.
687 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
689 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
691 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
693 2000-05-25 Richard Henderson <rth@cygnus.com>
695 * bb-reorder.c (reorder_block_def): Reorder elements for size.
696 Remove add_jump; add next; replace flags with visited.
698 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
699 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
700 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
701 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
703 (reorder_index, reorder_last_visited): Remove.
704 (skip_insns_after_block): Rewrite to use a switch.
705 (get_common_dest): Remove.
706 (chain_reorder_blocks): Remove.
707 (record_effective_endpoints): Split out from reorder_basic_blocks.
708 (make_reorder_chain): Likewise. Loop until all blocks are placed.
709 (make_reorder_chain_1): Renamed from old make_reorder_chain.
710 Only construct the reorder chain, do not move insns. Try harder
712 (label_for_bb, emit_jump_to_block_after): New.
713 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
714 and adjust the jump insns appropriately. Fixup basic_block_info.
715 (verify_insn_chain): Always define.
716 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
718 (make_new_scope): Don't write zeros to calloc'd space.
719 (build_scope_forest): Rely on xrealloc to DTRT.
720 (reorder_basic_blocks): Don't build loop nest. Don't fail if
721 profile_arc_flag. Streamline EH test.
723 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
724 * basic-block.h: Declare them.
726 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
728 * emit-rtl.c (reset_used_decls): New function.
729 (unshare_all_rtl_again): Call it.
731 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
733 * cpplex.c (maybe_macroexpand): Warn about function-like
734 macros used in non-function context, if -Wtraditional.
736 2000-05-25 Mark Mitchell <mark@codesourcery.com>
738 * recog.c (peephole2_optimize): Use INSN_P.
740 2000-05-25 Richard Henderson <rth@cygnus.com>
742 * ifcvt.c (seq_contains_jump): New.
743 (noce_try_store_flag_constants): Use it to fail conversion.
744 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
746 2000-05-25 Mark Mitchell <mark@codesourcery.com>
748 * except.h (can_throw): Declare it.
749 * except.c (can_throw): Give it external linkage.
750 * resource.c (find_dead_or_set_registers): Use can_throw.
752 2000-05-25 Richard Henderson <rth@cygnus.com>
754 * flow.c (mark_set_1): Don't record conditionally dead memory.
756 2000-05-25 Jan Hubicka <jh@suse.cz>
758 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
759 and pc_set at the place of simplejump_p and condjump_p.
760 * cse.c (record_jump_equiv): Likewise.
761 * emit-rtl.c (emit): Likewise.
762 * explow.c (find_next_ref): Likewise.
763 * flow.c (tidy_fallthru_edge): Likewise.
764 (init_propagate_block_info): Likewise.
765 * gcse.c (delete_null_pointer_checks): Likewise.
766 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
767 dead_or_predicable): Likewise.
768 * integrate.c (copy_insn_list): Likewise.
769 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
770 for_each_insn_in_loop, check_dbra_loop, get_condition,
771 insert_bct, load_mems): Likewise.
772 * resource.c (find_dead_or_set_registers): Likewise.
773 * sibcalls.c (simplejump_p): Likewise.
774 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
776 2000-05-25 David Edelsohn <edelsohn@gnu.org>
778 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
779 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
781 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
782 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
783 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
784 * rs6000.md: Name various internal patterns.
786 2000-05-25 Jan Hubicka <jh@suse.cz>
788 * jump.c (invert_exp_1): Remove first argument, use pc_set
789 to get the expression.
790 (redirect_exp): Make static; redirect only the pc_set expression,
791 remove first argument.
792 (invert_exp): Remove first argument, make static.
793 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
794 any_onlyjump at most places where we originaly did condjump_p
796 (jump_back_p, follow_jumps, thread_jumps): Likewise.
797 (delete_barrier_succesors): Use pc_set.
798 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
799 calls of invert_exp and redirect_exp.
800 * rtl.h (redirect_exp, invert_exp): Remove.
801 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
803 2000-05-25 Richard Henderson <rth@cygnus.com>
805 * stmt.c (expand_end_bindings): Fix thinko last change.
807 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
808 Andrew Haley <aph@cygnus.com>
810 * except.c (func_eh_entry): Add emitted field.
811 (new_eh_region_entry): Set emitted field to 0;
812 (output_exception_table_entry): Only emit previously un-emitted data,
813 and send it to the eh_data section.
814 (output_exception_table): Break out common parts. Output
815 exception table for entire compilation unit to eh_data section.
816 (output_exception_table_data): Common parts of output_exception_table.
817 Send output to eh_data section.
818 (output_function_exception_table): Output exception table data for
819 a single function to eh_data section.
820 (free_exception_table): New external to free the table.
821 * except.h (free_exception_table): Add prototype.
822 (output_function_exception_table): Add prototype.
823 * final.c (final_end_function): Output function exception table
824 for IA64_UNWIND_INFO.
825 (final_scan_insn): Emit any unwind directives for an insn.
827 * frame-dwarf2.c: New file containing all DWARF 2 specific code
829 * frame.c: Remove all DWARF 2 specific code.
830 * config/ia64/frame-ia64.c: New file.
831 (gthread_stuff): Make all gthread available with
833 (dwarf_fde): Define an IA64 struct for dwarf_fde.
834 (__register_frame_info, __register_frame): Move to common area of file.
835 (__register_frame_info_table, __register_frame_table): Move to common i
837 (__deregister_frame_info, __deregister_frame): Move to common area.
838 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
839 (read_uleb128): New version for ia64.
840 (get_unwind_record): Read the next IA-64 unwind record.
841 (read_R_record): Read a region header record.
842 (process_a_b_reg_code): X record helper.
843 (read_X_record): Read an X format record.
844 (read_B_record): Read a B format record.
845 (P3_record_types): List of record types matching the P3 format.
846 (P7_record_types): List of record types matching the P7 format.
847 (P8_record_types): List of record types matching the P8 format.
848 (read_P_record): Read a P format record.
849 (init_ia64_reg_loc): Set default fields for a register.
850 (init_ia64_unwind_frame): Set defaults for all register records.
851 (execute_one_ia64_descriptor): Execute one descriptor record.
852 (rse_address_add): Calculate the position of a local reg in memory.
853 (normalize_reg_loc): Turn a location descriptor into a memory address.
854 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
855 within a specified PC offset range.
856 (get_real_reg_value): Given a register location, retrieve its value.
857 (set_real_reg_value): Change the value of a register location.
858 (copy_reg_value): Copy reg values, if needed.
859 (copy_saved_reg_state): Copy all registers that need to be copied.
860 (process_state_between): Normalize all frame register records that
861 fall within the specified PC range.
862 (frame_translate): Take a processed frame description, and turn
863 everything into addresses.
864 (build_ia64_frame_state ): Find and create frame state record for a PC.
865 (get_personality): Get the personality routine for a given frame.
866 (get_except_table): Get the exception table for a given frame.
867 (record_name): Unwind record names for debugging.
868 (print_record): Print and unwind record.
869 (print_all_records): Print an entire unwind image.
870 (__ia64_backtrace): Print a backtrace.
871 (ia64_backtrace_helper): New function.
872 (__register_frame_info_aux): New function.
873 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
875 * frame.h (enum unw_record_type): New unwind record types.
876 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
877 (struct unw_r_record, unwind_record): New unwind record structs.
878 (struct unwind_info_ptr): Unwind information layout.
879 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
881 (struct ia64_reg_loc): Register location description.
882 (struct ia64_frame_state): Location of all registers in a frame.
883 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
884 * libgcc2.c (__ia64_personality_v1): Personality routine.
885 (__calc_caller_bsp): Calculate the bsp register for the caller's
887 (ia64_throw_helper): Figure out who to return to and set up the
889 (__throw): Throw routine.
891 * output.h (assemble_eh_align, assemble_eh_label): New functions
892 to generate EH info where we want it.
893 (assemble_eh_integer): New function.
894 * toplev.c (compile_file): Output module level exception table for
896 (main): Set exceptions_via_longjump and flag_new_exceptions based
897 on IA64_UNWIND_INFO too.
899 * varasm.c (assemble_eh_label): Generate a label via
900 ASM_OUTPUT_EH_LABEL if it has been specified.
901 (assemble_eh_align): Generate an alignment directive via
902 ASM_OUTPUT_EH_ALIGN if it has been specified.
903 (assemble_eh_label): Generate an integer value via
904 ASM_OUTPUT_EH_type if they have been specified.
905 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
906 (ia64_init_builtins): Add __builtin_ia64_bsp
907 and __builtin_ia64_flushrs.
908 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
909 IA64_BUILTIN_FLUSHRS.
910 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
911 IA64_BUILTIN_FLUSHRS.
913 * config/ia64/ia64.md (flushrs): New insn to flush the register
914 stack. Add to unspec list.
916 * config/ia64/crtbegin.asm (frame_object): Change size.
917 (__do_frame_setup_aux): New function.
918 * config/ia64/crtend.asm: call __do_frame_setup_aux.
919 * config/ia64/t-ia64 (LIB2ADDEH): Add.
920 * Makefile.in (LIB2ADDEH): Add.
921 (LIB2ADD): Use LIB2ADDEH.
923 2000-05-24 Richard Henderson <rth@cygnus.com>
925 * recog.c (offsettable_address_p): If mode size is zero, assume
928 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
930 * configure.in: Check for -Wno-long-long option support and improve
931 handling of warning CFLAGS for stages 1 and 2.
932 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
933 * configure: Regenerate.
935 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
937 * gcc.texi: Remove contributor list. Instead include contrib.texi.
938 * contrib.texi: New file.
940 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
942 * loop.c (basic_induction_var): Avoid double recording of an increment.
944 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
946 * Back out this patch:
947 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
948 * loop.h (struct induction): Add multi_insn_incr.
949 * loop.c (basic_induction_var): New multi_insn_incr argument.
950 Set it if we search back through previous insns for the biv.
951 (record_biv): New multi_insn_incr argument; fill in struct induction.
952 (strength_reduce): Discard an iv with multiple bivs, any of
953 which require multiple insns to increment.
955 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
957 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
959 * rtl.h (loc_mentioned_in_p): Declare.
960 * reload.c (loc_mentioned_in_p): Moved from here...
961 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
962 Fix loop increment for 'E' handling.
963 * loop.c (strength_reduce): When doing biv->giv conversion,
964 take multi-insn biv increments into account.
966 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
968 * stmt.c (expand_end_bindings): Look through NOTEs to find a
971 2000-05-24 Mark Mitchell <mark@codesourcery.com>
973 * calls.c (expand_call): Handle cleanups in tail-recursion
974 arguments analagously to cleanups in sibling calls.
976 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
978 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
981 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
983 * expr.c (expand_assignment, store_expr, expand_expr,
984 expand_expr_unaligned): Set in_check_memory_usage while emitting
985 chkr_check_addr libcall.
987 2000-05-24 Nick Clifton <nickc@cygnus.com>
989 * fold-const.c (extract_muldiv): When constructing a
990 multiplier/divisor, do not expect const_binop to correctly
991 determine if overflow has occured, so check explicitly.
993 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
995 * c-decl.c (build_enumerator): Don't modify the value's type,
998 2000-05-24 Andreas Jaeger <aj@suse.de>
1000 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1002 2000-05-24 Eric Christopher <echristo@cygnus.com>
1004 * configure.in: Redefine inhibit_libc conditions.
1005 * libgcc2.c: Remove inhibit_libc conditional define.
1006 * configure: Regenerate.
1008 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1010 * configure.in: For --enable-languages=LIST, check for empty LIST.
1011 * configure: Regenerate.
1013 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1015 * pdp11.h (STACK_BOUNDARY): Define.
1017 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1019 * ifcvt.c (if_convert): Update life info globally.
1021 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1023 * emit-rtl.c (unshare_all_decls): New function.
1024 (unshare_all_rtl): Call it.
1026 2000-05-23 Nick Clifton <nickc@cygnus.com>
1028 * configure.in: Treat 'strongarm' as if it were 'arm' when
1029 determining cpu type.
1031 * configure: Regenerate.
1033 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1034 where constant strings are involved.
1036 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1039 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1040 cases where constant strings are involved.
1042 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1044 * config/sh/sh.c (gen_far_branch, split_branches): Update
1045 to reflect new prototypes for redirect_jump and invert_jump.
1046 (sh_insn_length_adjustment): Get rid of const warnings.
1048 2000-05-23 Kazu Hirata <kazu@hxi.com>
1050 * invoke.texi (Options for Debugging Your Program or GCC): Update
1051 the names of dump files.
1053 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1055 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1056 * configure: Regenerated.
1058 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1060 * simplify-rtx.c (SIGN_EXTEND): New macro.
1061 (simplify_unary_operation, simplify_binary_operation,
1062 simplify_relational_operation): Use SIGN_EXTEND. Make low
1063 halves of (low, high) pairs unsigned if they weren't already.
1064 (simplify_ternary_operation): Cast INTVAL to unsigned before
1065 comparing to a MODE_BITSIZE.
1067 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1069 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1070 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1072 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1073 gcc_AC_NEED_DECLARATIONS.
1075 * dwarfout.c: Don't prototype time().
1077 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1079 * system.h: Likewise.
1081 * toplev.c: Likewise.
1083 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1085 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1087 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1089 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1091 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1093 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1095 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1097 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1098 (alpha_start_function): Never write ..ng label if VMS or NT.
1099 (alpha_align_insns): Remove GP_IN_USE arg.
1100 Alignment now unsigned.
1101 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1102 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1103 and two define_insn's.
1105 2000-05-22 Richard Henderson <rth@cygnus.com>
1107 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1109 2000-05-22 Richard Henderson <rth@cygnus.com>
1111 * stor-layout.c (place_field): Change rli->size to rli->offset.
1113 2000-05-22 Richard Henderson <rth@cygnus.com>
1115 * function.c (thread_prologue_and_epilogue_insns): Make sure
1116 existing line number notes appear after the prologue.
1118 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1120 * config/alpha/alpha.c (alpha_fnname): New static variable.
1121 (print_operand, case '~'): New case.
1122 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1123 (alpha_start_function): Set alpha_fnname.
1124 Write "ng" label if no ldgp; don't write ldgp insn.
1125 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1126 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1128 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1130 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1133 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1135 * varasm.c (eh_frame_section): Revert change to argument list.
1137 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1139 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1140 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1142 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1143 dangling "else" that causes "break" to be conditional.
1144 Also remove unneeded code at start.
1146 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1148 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1149 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1150 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1152 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1154 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1157 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1159 * alias.c (record_component_aliases): New function.
1160 * tree.h: Clean up some declarations and comments.
1161 (record_component_aliases): New declaration.
1162 * tree.c (get_alias_set): If type and has alias set, use it.
1164 2000-05-22 Richard Henderson <rth@cygnus.com>
1166 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1167 IF_THEN_ELSE to a setcc form.
1168 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1170 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1172 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1173 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1175 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1177 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1180 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1182 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1183 * config/mn10300/mn10300.c (print_operand): Likewise.
1185 * final.c (split_double): Right shift of negative values is not
1188 * ifcvt.c (if_convert): Scan and kill dead code.
1190 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1192 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1194 * diagnostic.c: Eliminate implicit int.
1195 * except.c, gcc.c: Add static prototypes.
1196 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1197 * gensupport.c (process_rtx): Use XVEC to initialize vector
1200 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1201 debug_reg_names instead of static reg_names. If not, define
1203 * regclass.c: Don't define global reg_names unless
1204 DEBUG_REGISTER_NAMES is defined.
1206 * reload1.c (order_regs_for_reload): Remove unused variable.
1207 * varasm.c: Include output.h after defaults.h. Define
1208 eh_frame_section as function of no args, not of unspecified args.
1210 * gcc.c: Constify argbuf; arguments to store_arg,
1211 process_command, main; elements of struct command and struct
1212 switchstr; local variables in execute, process_command, main.
1214 2000-05-20 Bruce Korb <bkorb@gnu.org>
1216 * fixinc/inclhack.def: many applications of c_fix=format + tests
1217 * fixinc/check.diff: regenerated
1218 * fixinc/fixincl.x: regenerated
1220 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1222 * alias.c: Clarify some comments.
1223 (record_base_value): REGNO is unsigned.
1224 * rtl.h (record_base_value): Likewise.
1226 * alias.c (aliases_everything_p): Don't special-case QImode here.
1227 * c-common.c (c_get_alias_set): Do it here.
1228 Handle BIT_FIELD_REF by getting alias info for arg.
1231 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1233 * mklibgcc.in: Restore rule to create ${dir}.
1235 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1237 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1238 GCC_FOR_TARGET used by MULTILIBS.
1239 * mklibgcc.in: Make sure each .o file depends on the
1240 directory it will be in.
1241 Make the multilib directory depends libgcc.
1243 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1245 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1247 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1249 * fold-const.c (make_range): Handle degenerated intervals.
1250 Fixes c-torture/execute/991221-1.c
1252 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1254 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1255 * reload.c (find_equiv_reg): Likewise.
1256 * alias.c (init_alias_analysis): Likewise.
1257 Only call prologue_epilogue_contains on insns.
1258 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1259 * bb-reorder.c (hard-reg-set.h): Include earlier.
1260 * haifa-sched.c (hard-reg-set.h): Likewise.
1261 * ifcvt.c (hard-reg-set.h): Likewise.
1262 * local-alloc.c (hard-reg-set.h): Likewise.
1263 * loop.c (hard-reg-set.h): Likewise.
1264 * predict.c (hard-reg-set.h): Likewise.
1265 * regrename.c (hard-reg-set.h): Likewise.
1266 * flow.c (hard-reg-set.h): Likewise.
1267 (reg_set_to_hard_reg_set): New function.
1268 * bitmap.c (regs.h, basic-block.h): No longer include.
1269 (bitmap.h): Now include.
1270 * conflict.c (hard-reg-set.h): Include.
1271 * profile.c (hard-reg-set.h): Likewise.
1272 * print-rtl.c (hard-reg-set.h): Likewise.
1273 * sbitmap.c (hard-reg-set.h): Likewise.
1274 * toplev.c (hard-reg-set.h): Likewise.
1275 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1276 * hard-reg-set.h (reg_names): Now constant.
1277 * regs.h (reg_names): Likewise.
1278 * regclass.c (reg_names): Likewise.
1279 * loop.h (basic-block.h): No longer include.
1280 (bitmap.h): Now include.
1281 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1282 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1283 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1285 2000-05-19 Jan Hubicka <jh@suse.cz>
1286 Richard Henderson <rth@cygnus.com>
1288 * basic-block.h (struct edge_def): New field "count".
1289 (struct basic_block_def): Likewise.
1290 * flow.c (entry_exit_blocks): Add count fileds.
1291 (split_edge): Keep count information up-to-date.
1292 (dump_edge_info, dump_flow_info): Dump count fields.
1294 * final.c (count_instrumented_edges): Rename to edge from arc.
1295 (end_final): Update users.
1296 * profile.c: Include expr.h, basic-block.h.
1297 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1298 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1299 (ignore_next_note, return_label_execution_count): Kill.
1300 (bbg_file_name, da_file_name): Kill.
1301 (edge_info, bb_info): New structures.
1302 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1303 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1304 (total_num_edges_instrumented): Likewise.
1305 (init_arc, expand_spanning_tree): Kill.
1306 (fill_spanning_tree, tablejump_entry_p): Kill.
1307 (instrument_edges): Rewrite from instrument_arcs to use
1308 commit_edge_insertions infrastructure.
1309 (compute_branch_probabilities): Remove arguments; rewrite for
1310 CFG infrastructure; use rtl_dump_file directly.
1311 (branch_prob, find_spanning_tree): Likewise.
1312 (union_groups, find_group): New.
1313 (init_branch_prob): Make bbg_file_name and da_file_name local.
1314 (end_branch_prob): Use rtl_dump_file directly.
1315 (init_edge_profiler): Rename to edge from arc.
1316 (output_arc_profiler): Kill.
1317 (gen_edge_profiler): New.
1318 (output_func_start_profiler): Turn off profiling. Make the
1319 constructor static when we can.
1320 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1322 * toplev.c (DFI_flow): Remove.
1323 (DFI_cfg, DFI_life): New.
1324 (dump_file): Update accordingly.
1325 (compile_file): Call end_branch_prob if profile_arc_flag too.
1326 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1327 profiling after the CFG is built. Move flow1 life analysis to
1328 DFI_life. Always estimate remaining probabilities.
1330 2000-05-19 Richard Henderson <rth@cygnus.com>
1332 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1334 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1336 2000-05-19 Richard Henderson <rth@cygnus.com>
1338 * jump.c (redirect_jump): Add delete_unused argument. Don't
1339 remove labels and code following when LABEL_NUSES goes to zero.
1340 (invert_jump): Likewise.
1341 (jump_optimize_1): Fix redirect/invert arguments.
1342 (do_cross_jump, thread_jumps): Likewise.
1343 * flow.c (split_edge): Likewise.
1344 * reorg.c (optimize_skip): Likewise.
1345 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1346 * profile.c (instrument_arcs): Likewise.
1347 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1348 * rtl.h: Update prototypes.
1350 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1352 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1354 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1357 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1359 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1360 past l1 when deleting whitespace and markers.
1362 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1363 * cpplib.c (do_unassert): Put the list to compare against on
1366 2000-05-19 Bruce Korb <bkorb@gnu.org>
1368 * fixinc/README: cleaned up old documentation
1369 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1370 * fixinc/check.tpl: compute the list of needed directories
1371 emit "#if defined(name)" because of conflict
1372 omit machine name differences from output differences
1373 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1374 (machine_name): change test text to use `sed' markers
1375 * fixinc/fixincl.x: regen
1377 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1379 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1382 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1384 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1385 it to match the current practice.
1387 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1389 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1391 2000-05-18 Richard Henderson <rth@cygnus.com>
1393 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1394 * rtl.h (insn_dependant_p): Declare it.
1395 * loop.c (strength_reduce): Use it.
1397 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1399 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1400 16-bit and 64-bit clean-up.
1402 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1404 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1405 * configure: Rebuilt.
1407 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1409 * genopinit.c: Use $ for escape sequences in optab patterns.
1410 Remove backslashes from optab patterns. Change $A, $B, $C to
1411 expand to (int) whatever instead of just whatever; remove
1412 explicit (int) from all optab patterns.
1414 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1415 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1416 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1417 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1420 2000-05-18 Richard Henderson <rth@cygnus.com>
1422 * jump.c (jump_optimize_1): Base minimum insn count during
1423 find_cross_jump on BRANCH_COST.
1425 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1427 * print-rtl.c (print_rtx): Only print note line number as string
1428 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1429 * final.c (final_scan_insn): Do nothing for note line number 0.
1431 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1433 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1434 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1435 NOTE_INSN_DELETED_LABEL.
1437 2000-05-18 Nick Clifton <nickc@cygnus.com>
1439 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1440 uninitialised data in .rodata not .bss, and do not interpret an
1441 error in the initialisation value as meaning that the variable
1442 should be placed in the .bss section.
1444 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1446 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1447 not `$ac_cv_prog_cc_cc_c_o'.
1448 * configure: Regenerated.
1450 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1451 Richard Henderson <rth@cygnus.com>
1453 * c-common.h (enum c_tree_index): Add g77 type entries.
1454 (g77_integer_type_node, g77_uinteger_type_node): New.
1455 (g77_longint_type_node, g77_ulongint_type_node): New.
1456 * c-decl.c (init_decl_processing): Initialize them.
1458 2000-05-18 Richard Henderson <rth@cygnus.com>
1460 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1462 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1463 (small_power_of_two): Likewise; use exact_log2.
1464 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1465 (output_adds_subs): Remove.
1466 (two_insn_adds_subs_operand): New.
1467 (split_adds_subs): New.
1468 * config/h8300/h8300-protos.h: Update.
1469 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1470 (CONST_OK_FOR_L): Match strict adds operands.
1471 (CONST_OK_FOR_N): Match struct subs operands.
1472 * config/h8300/h8300.md (adds_subs insns): Remove.
1473 (addhi patterns): Output adds/subs directly.
1474 (addsi_h8300h): Likewise.
1475 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1477 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1479 * cppexp.c (parse_assertion): New.
1480 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1481 (_cpp_parse_expr): Remove case '#'. Don't set
1482 parsing_if_directive.
1483 * cpphash.c (collect_objlike_expansion,
1484 collect_funlike_expansion, collect_params,
1485 _cpp_create_definition): The list no longer has a trailing
1487 * cpphash.h (enum node_type): Add T_ASSERTION.
1488 (struct hashnode): Remove aschain, add pred.
1489 (struct predicate): New.
1492 * cpplex.c (expand_token_space): Handle both offset and
1494 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1495 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1496 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1497 _cpp_equiv_toklists): New.
1498 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1499 stop at any single-character token, not just newline.
1500 (_cpp_lex_token): Remove special cases for #define and #if.
1501 (cpp_get_token): Expect # as a separate token type. Remove
1503 (_cpp_get_directive_token): Remove DIRECTIVE case.
1504 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1506 * cpplib.c (_cpp_check_directive): Set dirno and
1507 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1508 (_cpp_handle_directive): Run # <number> through the same logic
1509 as normal directives.
1510 (do_define): Don't set parsing_define_directive. Use
1511 _cpp_scan_until. The list does not have a VSPACE at the end.
1512 (do_if): Save, clear, and restore only_seen_white around
1514 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1515 (do_assert, do_unassert): Rewrite.
1517 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1518 (LIST_OFFSET): New flag.
1519 (struct cpp_toklist): Replace dir_handler and dir_flags with
1521 (struct cpp_reader): Remove parsing_if_directive and
1522 parsing_define_directive.
1524 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1526 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1527 following the cabs decl which terminate on the following line.
1528 Add the corresponding test_text case.
1530 2000-05-18 Neil Booth <NeilB@earthling.net>
1532 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1533 default tab stop size.
1534 (no_num, OPT_ftabstop): New.
1535 (handle_option): Handle "ftabstop=" command-line option.
1536 (print_help): Document it.
1537 * cpplex.c (COLUMN): Remove.
1538 (handle_newline): Reset col_adjust.
1539 (skip_whitespace): Update col_adjust as tabs encountered.
1540 (_cpp_lex_line): Update to use col_adjust. Call
1541 skip_whitespace for all whitespace.
1542 * cpplib.h (struct cpp_options): New member tabstop.
1543 (struct cpp_reader): New member col_adjust.
1544 (CPP_BUF_COL): Update.
1545 (CPP_BUF_COLUMN): New.
1546 * cpp.texi: Document "-ftabstop=" command line option.
1548 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1550 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1552 * configure: Rebuilt.
1554 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1556 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1558 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1559 HOST_BITS_PER_WIDE_INT is >= 64.
1561 2000-05-17 Richard Henderson <rth@cygnus.com>
1563 * jump.c (jump_optimize_1): Remove inactive but real insns
1564 in jump-to-next-insn optimization.
1566 2000-05-17 Richard Henderson <rth@cygnus.com>
1568 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1569 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1570 Don't call recompute_reg_usage if no_new_pseudos is true.
1571 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1572 Return true if we did work; update global life information.
1573 * basic-block.h (optimize_mode_switching): Update decl.
1575 2000-05-17 Neil Booth <neilb@earthling.net>
1577 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1579 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1581 * cpplib.c: New feature, #pragma system_header.
1582 * cpp.texi: Document special treatment of system headers, and
1583 the various mechanisms to get a header that special treatment.
1585 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1587 * system.h (offsetof): Define at the very end, to ensure we prefer
1588 the platform's definition if available.
1590 2000-05-16 Bruce Korb <bkorb@gnu.org>
1592 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1593 * fixinc/server.c: likewise
1594 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1595 + #ifdef debugging code + use #def constant for
1597 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1598 on C++ math namespace
1600 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1602 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1603 Don't check the return value of sprintf. Use asprintf to avoid
1606 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1608 * flags.h (warn_unused_function, warn_unused_label,
1609 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1610 Replace ``warn_unused''.
1611 (set_Wunused): Add declaration.
1612 * toplev.c (set_Wunused): New function.
1613 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1614 warn_unused_variable, warn_unused_value): New variables.
1615 (W_options): Add -Wunused-function, -Wunused-function,
1616 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1617 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1619 * toplev.c (decode_W_option): Update -Wunused flags by calling
1621 * c-decl.c (c_decode_option): Ditto for -Wall.
1623 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1624 warn_about_unused_variables): Replace warn_unused with more
1625 explicit warn_unused_value et.al.
1626 * function.c (expand_function_end): Ditto.
1627 * c-typeck.c (internal_build_compound_expr,
1628 internal_build_compound_expr): Ditto.
1629 * c-decl.c (poplevel, pop_label_level): Ditto.
1630 * toplev.c (check_global_declarations): Replace warn_unused with
1631 check for either warn_unused_function or warn_unused_variable.
1633 * gcc.1, invoke.texi (Warning Options): Document
1634 -Wunused-function, -Wunused-function, -Wunused-label,
1635 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1637 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1639 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1640 $(srcdir), not in the current directory.
1642 2000-05-16 Richard Henderson <rth@cygnus.com>
1644 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1645 assembler supports it.
1646 (.fini, .init): Use a gp-relative indirect call.
1647 (__do_global_dtors_aux): Preserve the gp; rebundle.
1648 (__do_frame_setup): Likewise.
1649 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1650 (.init): Use a gp-relative indirect call.
1651 (__do_global_ctors_aux): Preserve the gp.
1653 2000-05-16 Richard Henderson <rth@cygnus.com>
1655 * flow.c (commit_one_edge_insertion): Be prepared for a return
1656 insn to be inserted on the edge with a normal jump.
1657 * jump.c (jump_optimize_1): Don't look to create return isns.
1659 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1660 * jump.c (jump_optimize_1): Likewise.
1661 (returnjump_p): Verify the argument is a JUMP_INSN.
1662 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1664 2000-05-16 Nick Clifton <nickc@cygnus.com>
1666 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1667 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1668 (large_insn_p): Ditto.
1669 (m32r_is_insn): New function: Return true if the insn contains
1670 an executable instruction.
1671 (m32r_adjust_insn): Use m32r_is_insn.
1672 (m32r_sched_reorder): Use m32r_is_insn.
1673 (m32r_sched_variable_issue): Use m32r_is_insn.
1675 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1677 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1680 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1682 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1683 according to given options.
1685 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1687 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1688 if X has VOIDmode either.
1689 (LIMIT_RELOAD_CLASS): Similarly.
1691 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1692 not "general_operand" to match the processor's capabilities.
1694 2000-05-16 Bruce Korb <bkorb@gnu.org>
1696 * fixinc/README: corrected return address
1697 * fixinc/check.diff: regenerate, now that test works
1698 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1699 (char_macro_def_fix,char_macro_use_fix): corrected and
1700 rewrote to use regex to parse the text
1701 * fixinc/inclhack.def: more testing
1702 * fixinc/fixincl.x: regenerated
1704 * fixinc/inclhack.def: added several "test_text" attributes
1705 changed several fixes to use `c_fix = format'
1706 re-alphabetized the fixes
1708 * fixinc/check.diff: regenerate
1709 * fixinc/fixincl.x: regenerate
1710 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1714 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1716 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1718 2000-05-15 Richard Henderson <rth@cygnus.com>
1720 * toplev.c (rest_of_compilation): Run full jump pass before
1721 find_basic_blocks of flow2.
1723 2000-05-15 Richard Henderson <rth@cygnus.com>
1725 * jump.c: Fix typos and clarify commentary from last change.
1726 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1727 (safe_to_remove_jump_p): Remove.
1728 (condjump_label): Use pc_set.
1730 2000-05-15 Richard Henderson <rth@cygnus.com>
1732 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1733 that get in the way after reload.
1734 (cond_exec_process_if_block): Skip a label heading THEN block.
1736 2000-05-15 Richard Henderson <rth@cygnus.com>
1738 * varasm.c (output_constant_pool): Abort instead of converting
1739 (improperly) deleted labels to zero.
1741 2000-05-16 Neil Booth <NeilB@earthling.net>
1743 * cpplex.c (parse_string2): Update comment.
1744 (cpp_lex_line): No special assertion treatment for '('.
1745 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1746 * cpplib.h (SYNTAX_ASSERT): Remove.
1748 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1750 * jump.c (condjump_p): Mark as depreached.
1751 (any_condump_p): New.
1752 (any_uncondump_p): New.
1754 (safe_to_remove_jump_p): New.
1755 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1756 safe_to_remove_jump_p): Declare.
1758 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1760 * calls.c: Re-install both patches reverted by last patch.
1761 (struct arg_data): New field tail_call_reg.
1762 (initialize_argument_information): Initialize tail_call_reg
1763 (load_register_parameters): New argument flags, use
1764 tail_call_reg when emiting tail call sequence.
1765 (expand_call): Update call of load_register_parameters;
1766 copy unadjusted_args_size to adjusted_args_size.
1768 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1770 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1771 and bct_p parameters to flags.
1772 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1773 * rtl.h (loop_optimize): Update prototype.
1774 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1776 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1778 * calls.c (expand_call): Move expand_start_target_temps call after
1781 2000-05-15 Neil Booth <NeilB@earthling.net>
1783 * cpphash.c (trad_stringify, warn_trad_stringify,
1784 collect_params): Make some pointers pointers to const.
1785 * cpplex.c (auto_expand_name_space) Guaranteed to always
1786 expand by at least one character.
1787 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1788 (struct token_spelling): Use const U_CHAR * rather than PTR.
1789 (expand_name_space): Fix up token pointers if name space
1790 is moved when expanding.
1791 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1792 parse_string2, save_comment, spell_token, cpp_output_list):
1793 Update so the routines handle tokens with a direct pointer to
1794 their text, rather than an offset into the token's list's namebuf.
1795 (_cpp_lex_line): Rearrange for clarity.
1797 * cpplib.c (_cpp_check_directive): Similarly.
1798 (do_define): Make SYM a pointer to const.
1799 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1800 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1801 (TOK_OFFSET): Delete.
1804 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1806 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1809 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1811 (logical_u_operand): Delete.
1812 (non_logical_cint_operand): Rewrite to take MODE into account.
1813 (non_logical_u_cint_operand): Delete.
1814 (boolean_operator): New function.
1815 (print_operand): Add new %q operand.
1816 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1817 remove logical_u_operand and non_logical_u_cint_operand,
1818 update logical_operand and non_logical_cint_operand.
1819 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1820 logical operations to use %q.
1822 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1823 (movdi): Make similar to movsi.
1824 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1825 is no such thing as a DImode CONST_DOUBLE.
1826 * config/rs6000/rs6000.c (output_toc): Likewise.
1828 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1829 codes when old mnemonics are in use. Print register names
1830 for cc registers when requested.
1832 * optabs.c (expand_float): Don't allow mode widening that causes
1835 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1836 flags to their current names -maix64 and -maix32.
1838 2000-05-14 Bruce Korb <bkorb@gnu.org>
1840 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1841 and/or after current text of file
1842 * fixinc/fixlib.c(must_malloc):
1843 * fixinc/fixlib.h(must_malloc): + reformatting
1844 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1845 with usages of ``c_fix = wrap;''
1846 Add several tests and use the ``c_fix = format'' fixer more.
1847 * fixinc/fixincl.x: regen
1848 * fixinc/check.diff: regen
1849 * fixinc/check.tpl: emit the associated header with the missing
1852 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1854 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1855 variables $src and $dst.
1857 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1859 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1860 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1861 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1862 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1864 (set_message_prefixing_rule): Declare.
1866 * diagnostic.c: (current_prefixing_rule): New variable.
1867 (set_message_prefixing_rule): Define.
1868 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1869 (init_output_buffer): Adjust Initialization.
1870 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1872 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1874 * ifcvt.c (if_convert): Do not free NULL.
1876 2000-05-12 Nick Clifton <nickc@cygnus.com>
1878 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1879 to move a double word value.
1880 (di_operand): New function: Return true if the operand is suitbale
1881 for a double word move operation.
1882 (nonimmediate_di_operand): New function: Return true if the
1883 operand is a DImode register or MEM.
1885 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1886 nonimmediate_di_operand.
1888 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1889 nonimmediate_di_operand.
1891 * config/fr30/fr30.md (movdi): New pattern. Required because
1892 other patterns generate DImode results.
1893 (movdi_insn): New pattern.
1895 2000-05-12 Richard Henderson <rth@cygnus.com>
1897 * config/alpha/alpha.c (struct shadow_summary): Define
1898 bitfields as type unsigned int.
1900 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1902 * config/avr/t-avr: Added definition of FLOAT while generates
1905 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1906 peepholes for tst+jump = sbrs/sbrc optimization.
1908 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1910 * expr.c (emit_push_insn): Do not adjust stack pointer when
1913 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1915 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1916 * system.h (offsetof): ... to here.
1918 2000-05-12 Richard Henderson <rth@cygnus.com>
1920 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1921 * final.c (final_end_function): Use app_disable. Rearrange note
1922 handling into a switch. Emit deleted labels.
1923 (output_asm_label): Generate label strings for deleted labels.
1924 * flow.c (tail_recursion_label_list): New.
1925 (find_basic_blocks_1): Set label_value_list directly. Collect list
1926 of tail recursion labels from call_placeholders. Don't add deleted
1927 labels to the label value list.
1928 (cleanup_cfg): Use free_EXPR_LIST_list.
1929 (flow_delete_insn_chain): Turn non-removable labels into notes.
1930 (flow_delete_block): Don't disable deleting the block because of
1931 a non-removable label.
1932 (tail_recursion_label_p): New.
1933 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1935 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1937 (merge_blocks): Disable a merge because of tail recursion labels.
1938 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1939 Use a more accurate measure of not merging the join block.
1940 (find_if_block): Don't disable conversion because of a label.
1941 (find_if_case_1, find_if_case_2): Likewise.
1942 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1943 element when copying.
1944 (squeeze_notes): Also leave EH notes.
1945 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1947 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1949 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1950 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1951 referring to a deleted label. Convert tail handling to a switch.
1952 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1953 for NOTE_INSN_DELETED_LABEL.
1954 (NOTE): Fix commentary.
1955 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1956 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1957 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1958 (LABEL_NUSES, LABEL_REFS): Likewise.
1959 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1961 2000-05-12 Bruce Korb <bkorb@gnu.org>
1963 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1964 * fixinc/check.diff: updated
1965 * fixinc/inclhack.def: corrected & added some test_text-s
1966 * fixinc/genfixes: removed unneeded options to autogen invocation
1967 * fixinc/fixincl.tpl: Specified the output file
1968 * fixinc/fixfixes.c: visual appearance
1969 * fixinc/fixincl.x: regenerate
1971 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1973 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1974 CTRL_defn_fix): Delete.
1975 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1976 char_macro_def_fix and char_macro_use_fix, respectively. Put
1977 them into the FIXUP_TABLE. Get the string to search for from
1980 (format_write): New function.
1981 (format_fix): Use it.
1983 (FIX_PROC_HEAD): Constify text parameter.
1984 (machine_name_fix): Constify all char *s.
1985 * fixtests.c (skip_quote): Remove double static.
1987 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1988 ctrl_use_quotes): Update for new scheme.
1989 * fixincl.x: Regenerate.
1991 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1993 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1995 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1996 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1998 2000-05-11 Robert Lipe <robertlipe@usa.net>
2000 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2001 * fixincl.x: Regenerate.
2003 2000-05-11 Richard Henderson <rth@cygnus.com>
2005 * calls.c: Revert both 05-09 patches.
2007 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2009 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2011 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2014 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2015 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2017 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2019 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2021 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2023 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2025 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2027 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2028 * config/avr/avr.c (jump_over_one_insn_p): New function.
2029 * config/avr/avr.md: New peepholes added. Output test and
2030 conditional jump to "sbrc" or "sbrs" command.
2032 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2034 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2036 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2038 * except.c (find_exception_handler_labels_1): New function.
2039 (find_exception_handler_labels): Split into two functions, dive
2040 into CALL_PLACEHOLDERs when looking for exception handler labels.
2042 2000-05-11 Stan Cox <scox@cygnus.com>
2044 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2045 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2046 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2048 2000-05-11 Bruce Korb <bkorb@gnu.org>
2050 * fixinc/fixfixes.c (double_slash_fix): obsolete
2051 (else_endif_label_fix): obsolete
2052 (format_fix): new, unused as yet
2054 * fixinc/fixlib.h: added fix description struct for use by format_fix
2055 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2056 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2057 modules. Removed the vestiges of the script version.
2058 Added support for "make check".
2059 * fixinc/check.diff: base diff file (needs work!!)
2060 * fixinc/check.tpl: quiet the fixup output
2061 * fixinc/fixtests.c (main): obsolete
2062 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2063 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2065 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2067 * toplev.c (rest_of_compilation): Remove dead code after
2070 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2072 * cpphash.c (collect_funlike_expansion): Make "# is not
2073 followed by a macro argument name" a pedwarn, not an error.
2074 Preserve the # in the output. Suppress the warning if lang_asm.
2076 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2078 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2079 * configure: Rebuilt.
2081 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2083 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2085 2000-05-10 Kazu Hirata <kazu@hxi.com>
2087 * combine.c (try_combine): Fix a typo.
2089 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2091 * config/ia64/ia64.md (insv): Add comment.
2093 2000-05-10 Richard Henderson <rth@cygnus.com>
2095 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2096 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2097 dependancies on FPBIT and DPBIT.
2099 2000-05-10 Nick Clifton <nickc@redhat.com>
2101 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2102 when optimising for size.
2103 (mark_used_regs:) Ditto.
2104 (try_pre_increment_1): Ditto.
2106 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2108 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2109 Make error message friendlier.
2111 * cpphash.h (struct hashnode): Use struct hack for name
2113 * cpphash.c (struct hashdummy): New.
2114 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2115 (make_HASHNODE): No need to set ->name pointer. Correct
2117 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2119 2000-05-10 Richard Henderson <rth@cygnus.com>
2121 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2124 2000-05-10 Bruce Korb <bkorb@gnu.org>
2126 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2128 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2130 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2131 after we enter .debug.
2133 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2135 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2136 abstract instance of a nested inline function.
2138 * stor-layout.c (finish_record_layout): finalize_type_size
2139 before laying out the pending_statics.
2141 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2143 * cpplex.c (spell_token): New function.
2144 (spell_string, spell_comment, spell_name): fold into
2147 (E, H): Remove macros.
2148 (save_comment): Save comment opening characters too.
2149 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2151 * cpplib.h (I, S): Add macros.
2152 (E, H): Remove macros.
2153 (TTYPE_TABLE): Update entries for new speller.
2154 (SYNTAX_ASSERT): Remove.
2156 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2158 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2159 when removing escaped newlines. Reverse sense of test for
2162 2000-05-09 Richard Henderson <rth@cygnus.com>
2164 * flow.c (find_basic_blocks_1): Do not delete the first
2165 bb_note we run across.
2166 (create_basic_block): Use reorder_insns to move an existing
2167 bb_note to the correct place.
2169 2000-05-09 Richard Henderson <rth@cygnus.com>
2171 * calls.c (expand_call): Increment currently_expanding_call
2172 before calling optimize_tail_recursion.
2174 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2176 * reload1.c (reload_combine): Fix errors in last change.
2178 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2180 * gcc.c (used_arg): Skip over a semicolon at the end of the
2181 split-up loop; don't break out of it.
2183 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2184 (tree.o): Depend on output.h.
2186 * c-decl.c (pending_invalid_xref_file,
2187 current_function_prototype_file): Constify.
2188 (pushdecl): Constify a local char *.
2189 (define_label): Constify filename parameter.
2190 * c-lex.c (init_parse): Constify parameter and return value.
2191 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2192 * c-tree.h: Update prototypes.
2193 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2194 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2195 objc/objc-parse.c: Regenerate.
2197 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2198 * dwarfout.h: Update prototypes.
2199 * expr.c (expand_expr): Constify a local char *.
2200 * flags.h: Constify main_input_filename.
2201 * function.c (expand_function_end): Constify filename parameter.
2202 * genrecog.c (make_insn_sequence): Use a character array for
2204 (main): Remove unused variables.
2205 * input.h: Constify input_filename, main_input_filename, and
2206 file_stack.name. Update prototypes.
2207 * output.h: Declare first_global_object_name and
2208 weak_global_object_name here, as const char *.
2209 * stmt.c (expand_asm_operands): Constify filename parameter.
2210 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2211 Constify filename parameter.
2212 (input_filename, main_input_filename): Constify.
2213 * toplev.h: Update prototypes.
2214 * tree.c: Include output.h. Don't declare
2215 first_global_object_name or weak_global_object_name. Clean up string
2216 bashing in get_file_function_name_long.
2217 * tree.h (struct tree_decl): Constify filename member.
2218 (input_filename): Constify.
2220 * varasm.c (first_global_object_name, weak_global_object_name):
2222 (assemble_start_function, assemble_variable): Clean up string bashing.
2224 * gcc.c: Constify all spec-related strings initialized,
2225 transitively, from string constants. Constify all strings
2226 and string variables related to multilibs.
2227 (set_spec, read_specs): Cast argument to free to PTR.
2228 (used_arg): Do not modify multilib_matches. Use strncmp plus
2229 length comparison to compare multilib switches.
2230 * genmultilib: Constify everything declared in multilib.h.
2232 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2234 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2237 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2239 * config/avr/avr-protos.h (extra_constraint): change a type of
2240 second argument from char to int to avoid warnings.
2241 (asm_output_byte): Likewise.
2243 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2244 (initial_elimination_offset): Handle elimination from
2245 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2246 (legitimate_address_p): Use MAX_LD_OFFSET.
2247 (legitimize_address): Likewise.
2248 (out_movqi_r_mr): Likewise.
2249 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2250 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2251 (out_movsi_mr_r): Likewise.
2252 (out_movqi_mr_r): Likewise.
2253 (out_movhi_mr_r): Likewise.
2254 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2255 count as CONST_INT != 6.
2256 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2257 shift count is a CONSTANT_P, but not a CONST_INT.
2258 (ashlhi3_out): Coding style modifications.
2259 (ashlsi3_out): Likewise.
2260 (ashrhi3_out): Likewise.
2261 (ashrsi3_out): Likewise.
2262 (lshrhi3_out): Likewise.
2263 (lshrsi3_out): Likewise.
2264 (ashrqi3_out): Generate shift for any known constant count without
2265 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2266 but not a CONST_INT.
2267 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2268 shift count is a CONSTANT_P, but not a CONST_INT.
2269 (extra_constraint): change a type of
2270 second argument from char to int to avoid warnings.
2271 (asm_output_byte): Likewise.
2272 (asm_file_end): Output size generated commands count as a hex
2275 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2277 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2279 (ashlqi3): Values of "length" attribute changed. Shift count
2280 uses constraints 'n' instead of 'i'.
2281 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2282 shifts without clobber register.
2283 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2284 (call_insn): Correct test for which_alternative == 1 (was 0).
2285 (call_value_insn): Likewise.
2287 * config/avr/t-avr: Remove definition of FLOAT while generates
2290 2000-05-09 Bruce Korb <bkorb@gnu.org>
2292 * fixinc/check.tpl: Template for checking fixes
2293 * fixinc/inclhack.def: Added 'test_text' for many fixes
2294 disable hpux8_bogus_inlines on SCO
2295 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2297 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2299 * calls.c (expand_call): Reorganize somewhat in order
2300 to avoid unnecesary recalculation inside loop and make
2301 tail call failure code cleaner.
2303 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2305 * alias.c (nonlocal_reference_p): Minor reformatting.
2306 * reload.c (find_equiv_reg): Simplify logic for
2307 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2308 some some reformatting.
2309 * reload1.c (reload_combine): Don't assume everything in
2310 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2312 2000-05-08 Richard Henderson <rth@cygnus.com>
2314 * final.c (current_insn_predicate): New.
2315 (final_scan_insn): Set it.
2316 * output.h (current_insn_predicate): Declare.
2318 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2319 Attach it to call insns.
2320 (cond_exec_process_if_block): Track probability for true and
2322 (dead_or_predicable): Likewise.
2324 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2325 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2326 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2327 (estimate_probability, expected_value_to_br_prob): Use them.
2329 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2330 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2331 (ia64_expand_prediction): New.
2332 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2333 as needed after calls.
2334 (ia64_epilogue_uses): Mark b0 used.
2335 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2336 (bne_true, bne_false): Remove.
2337 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2338 (br_true, br_false): New. Use predicate_operator and
2339 ia64_expand_prediction.
2340 (return_true, return_false): Likewise.
2341 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2342 (call_internal1, call_value_internal): Likewise.
2343 (call_value_internal1, call_multiple_values_internal1): Likewise.
2345 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2347 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2349 2000-05-08 Richard Henderson <rth@cygnus.com>
2351 * rtlanal.c (may_trap_p): Consider old-style and volatile
2354 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2356 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2358 2000-05-08 Richard Henderson <rth@cygnus.com>
2360 * config/ia64/ia64.h (predicate_operator): Declare.
2362 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2365 * gensupport.c (process_rtx): Copy and post-process each member
2366 of the define_insn rtvec individually.
2368 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2370 * cpplex.c (spell_token): New function.
2371 (TOKEN_LEN): Add 1 for whitespace.
2372 (_cpp_lex_file): Update to use spell_token.
2373 * cpplib.h (E): Remove.
2374 (TTYPE_TABLE): Update CPP_VSPACE entry.
2376 2000-05-08 Richard Henderson <rth@cygnus.com>
2378 * flow.c (init_propagate_block_info): Watch out for conditional
2379 branch to next instruction, and thus one outgoing edge.
2381 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2382 for global register variables; don't special case __[CD]TOR_LIST__;
2383 mind ggc_p for string allocation.
2385 2000-05-08 Nick Clifton <nickc@cygnus.com>
2387 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2389 2000-05-08 Bruce Korb <bkorb@gnu.org>
2391 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2392 i?86-*-msdosdjgpp* no longer uses fixincludes
2393 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2394 * fixinc/inclhack.sh: deleted
2395 * fixinc/hackshell.tpl: deleted
2396 * fixinc/inclhack.tpl: deleted
2397 * fixinc/Makefile.in: Remove dependencies on above
2398 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2400 2000-05-08 Andreas Jaeger <aj@suse.de>
2402 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2405 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2407 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2410 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2412 * cpplex.c: Move new lexer definitions and prototypes
2413 to top. Conditional include these and the code if
2414 NEW_LEXER is defined. Rename functions whose names
2415 clash if this code included.
2417 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2419 * rtl.def (COND_EXEC): Clarify.
2421 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2422 same fashion as zero_extendsidi2.
2424 2000-05-06 Richard Henderson <rth@cygnus.com>
2426 * config/ia64/ia64.c (predicate_operator): New.
2427 (ia64_print_operand): Handle 'J'.
2428 (rtx_needs_barrier): Handle COND_EXEC.
2429 * config/ia64/ia64.h (BRANCH_COST): Define.
2430 (PREDICATE_CODES): Update.
2431 * config/ia64/ia64.md: Docuement used unspec values.
2432 (attr predicable): New.
2433 (movxf, movxf_internal): New.
2434 (extendsfdf2): Don't comment out nop.
2435 (floatdidf2): Remove.
2436 (truncxfsf2, truncxfdf2, floatdixf2): New.
2437 (abssi2, absdi2): Put the neg in the "true" slot.
2438 (conditional branch instructions): Mark not predicable.
2439 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2440 (abs*_internal): Likewise.
2441 (alloc, set_bsp): Mark not predicable.
2442 (barrier, insn_group_barrier, flush_cache): Likewise.
2443 (define_cond_exec): New.
2445 2000-05-06 Richard Henderson <rth@cygnus.com>
2447 * c-decl.c: Include "tm_p.h".
2449 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2450 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2451 (ia64_expand_op_and_fetch): Declare.
2452 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2453 (setjmp_operand): Constify variables for XSTR.
2454 (ia64_encode_section_info): Likewise.
2455 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2457 (ia64_asm_output_external): Constify name.
2458 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2459 (process_for_unwind_directive): Provide switch default.
2460 (ia64_expand_compare_and_swap): Remove unused variables.
2461 (ia64_expand_builtin): Likewise.
2462 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2465 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2466 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2467 (shift_count_operand, shift_32bit_count_operand): Likewise.
2468 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2469 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2470 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2471 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2472 (ia64_expand_builtin): Likewise.
2473 (call_multiple_values_operation): Make dest_regno unsigned.
2475 2000-05-06 Richard Henderson <rth@cygnus.com>
2477 * rtl.def (DEFINE_COND_EXEC): New.
2478 * md.texi: Document it.
2480 * gensupport.c (input_file): Remove.
2481 (struct queue_elem): Add lineno.
2482 (rtx_ready_queue): Remove.
2484 (predicable_default): New.
2485 (predicable_true, predicable_false): New.
2486 (define_attr_queue, define_attr_tail): New.
2487 (define_insn_queue, define_insn_tail): New.
2488 (define_cond_exec_queue, define_cond_exec_tail): New.
2489 (other_queue, other_tail): New.
2490 (queue_pattern): New.
2491 (process_rtx): Add patterns to the appropriate queues.
2492 (is_predicable, identify_predicable_attribute): New.
2493 (n_alternatives, collect_insn_data): New.
2494 (alter_predicate_for_insn, alter_test_for_insn): New.
2495 (shift_output_template, alter_output_for_insn): New.
2496 (process_one_cond_exec, process_define_cond_exec): New.
2497 (init_md_reader): Read the entire file. Process define_cond_exec.
2498 (read_md_rtx): Return elements from the queues.
2500 2000-05-06 Richard Henderson <rth@cygnus.com>
2502 * flow.c (mark_set_1): Don't update conditional life info
2503 if the register is not_dead.
2505 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2507 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2508 (mostlyclean): Also delete fixincl, fixinc.sh, and
2509 specs.ready, and make clean in the fixinc subdir.
2511 2000-05-06 Richard Henderson <rth@cygnus.com>
2513 * Makefile.in (gensupport.o): Compile for the host.
2514 (host-prefix gensuuprt.o): Remove.
2515 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2516 (genattrtab.o): Likewise.
2517 (gencodes.o): Depend on gensupport.h.
2518 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2519 (genpeep.o, genattr.o, genoutput.o): Likewise.
2521 * gensupport.c (obstack, rtl_obstack): New.
2522 (init_md_reader): Initialize rtl_obstack.
2523 * gensupport.h (rtl_obstack): Declare.
2524 (message_with_line): Declare.
2526 * genattr.c: Remove all traces of obstack manipulation.
2527 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2528 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2530 * genattrtab.c (obstack, rtl_obstack): Remove.
2531 (main): Don't init rtl_obstack.
2532 * genflags.c: Likewise.
2534 * genrecog.c (message_with_line): Move ...
2535 * gensupport.c: ... here.
2537 2000-05-06 Richard Henderson <rth@cygnus.com>
2539 * c-typeck.c (build_c_cast): Remove dead code.
2541 2000-05-06 Richard Henderson <rth@cygnus.com>
2543 * flow.c (split_edge): Don't allocate global_live_at_start for
2544 the new block unless the old blocks had them as well.
2546 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2548 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2549 test_bb if a or b uses x.
2551 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2553 * cpphash.h: Remove conditional #define of __extension__.
2554 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2555 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2556 (ENABLE_RTL_CHECKING only).
2557 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2558 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2559 (ENABLE_TREE_CHECKING only).
2560 * varray.h: Add __extension__ to VARRAY_CHECK macro
2561 (ENABLE_CHECKING only).
2563 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2565 Use new tail-calling mechanism on ARM.
2566 * arm.md (sibcall, sibcall_value): New expands.
2567 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2568 (tailcalling peepholes): Delete.
2569 (push_multi): Simplify.
2570 * arm.c (lr_save_eliminated): Delete definition.
2571 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2572 (output_return_instruction): Remove checks on lr_save_eliminated.
2573 (output_arm_prologue): Remove old tail-calling code.
2574 (arm_output_epilogue): New parameter, really_return. All callers
2575 changed. Handle tail-calling epilogues.
2576 * arm.h (lr_save_eliminated): Delete declaration.
2577 (frame_pointer_needed): Delete declaration.
2578 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2580 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2582 * arm.c (thumb_code): Define it.
2583 (arm_override_options): Set it.
2584 * arm.h (thumb_code): Declare it.
2586 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2588 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2590 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2592 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2593 bogus clobber to insns.
2594 (load_multiple_operation, store_mulitple_operation): Don't check
2596 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2598 * arm.md (and_scc, ior_scc): Add missing mode.
2600 * arm.md (call_value_symbol): Remove predicate from op2.
2602 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2604 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2606 * expr.c (get_subtarget): New function.
2607 (force_operand, expand_expr, do_store_flag): Use it.
2609 * toplev.c (compile_file): Don't take strlen of NAME if null.
2611 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2613 * xcoffout.c (xcoff_current_include_file,
2614 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2615 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2617 (xcoffout_declare_function): Make name 'const char *'.
2618 (xcoffout_end_epilogue): Make fname 'const char *'
2619 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2620 xcoffout_declare_function, xcoffout_source_line): Match above.
2622 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2624 * rs6000.c (print_operand): Fix lossage typo.
2625 (output_cbranch): Remove "cr" decoration for now.
2626 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2628 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2630 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2633 2000-05-05 Bruce Korb <bkorb@gnu.org>
2635 * fixinc/genfixes: Improve the matching for make target names
2637 2000-05-05 Catherine Moore <clm@cygnus.com>
2639 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2640 attribute to the decl.
2641 * c-decl.c (pushdecl): Propagate the USED attribute to the
2644 2000-05-05 Richard Henderson <rth@cygnus.com>
2646 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2647 same way emit_group_load does.
2649 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2651 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2653 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2656 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2658 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2660 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2662 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2663 to support -shared, on platforms with dynamic libraries.
2665 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2667 * system.h (S_ISBLK): Provide fallback definition.
2669 2000-05-05 Geoff Berry <geoffb@bops.com>
2671 * extend.texi (Extended Asm): Document inability to give asm
2672 statements access to condition codes.
2674 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2676 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2677 as arg 2 of UNIQUE_SECTION.
2679 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2681 * predict.c: Remove May 4 change.
2682 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2683 if we have predicted the branch at 50-50 probability.
2685 2000-05-05 Richard Henderson <rth@cygnus.com>
2687 * flow.c (init_propagate_block_info): Fix merge error
2688 in HAVE_conditional_execution code.
2690 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2692 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2693 shift cycle for unknown shift count. Also generates dec + brpl.
2694 (ashlqi3_out): Don't generate dec + brpl which now generates by
2695 `out_shift_with_cnt'.
2696 (ashlhi3_out): Likewise.
2697 (ashlsi3_out): Likewise.
2698 (ashrqi3_out): Likewise.
2699 (ashrhi3_out): Likewise.
2700 (ashrsi3_out): Likewise.
2701 (lshrqi3_out): Likewise.
2702 (lshrhi3_out): Likewise.
2703 (lshrsi3_out): Likewise.
2705 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2707 * gcc.c (free_split_directories): Correct typo in explanation
2708 of make_relative_prefix.
2710 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2712 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2713 comparison codes to branch_comparison_operator.
2715 2000-05-04 Richard Henderson <rth@cygnus.com>
2717 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2719 2000-05-04 Richard Henderson <rth@cygnus.com>
2721 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2722 (DPBIT_FUNCS): Remove _sf_to_usi.
2723 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2725 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2726 between condition and jump.
2728 * libgcc2.c (near eh_context_specific): Comment #endif string.
2729 * longlong.h: Don't use strings with embedded newlines.
2731 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2733 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2734 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2735 (print_operand): Delete %t and %T codes.
2736 (output_cbranch): New function. Support branch prediction.
2737 * config/rs6000/rs6000.md: Use output_cbranch for
2738 conditional branches and returns.
2740 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2742 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2743 * stor-layout.c (place_field): Likewise.
2744 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2745 * expr.c (store_expr): Make align unsigned.
2746 * explow.c (plus_constant_wide): Make low words unsigned.
2747 * expmed.c (choose_multiplier): Likewise.
2748 * fold-const.c (fold): Likewise.
2749 * tree.h (build_int_2): Likewise.
2750 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2751 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2752 (init_emit): Change cast to unsigned char*.
2753 * varasm.c (compare_constant_1): Add cast to char*.
2754 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2755 * reload1.c (reload): Likewise.
2757 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2759 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2761 * predict.c (estimate_probability): If no prediction was found, then
2762 predict the successor that is the next physical block (if such a
2765 2000-05-04 Richard Henderson <rth@cygnus.com>
2767 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2769 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2771 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2773 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2775 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2776 attribute macros from here ...
2777 (CPP_SPEC): to here.
2778 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2779 (CPP_SPEC): Likewise.
2780 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2782 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2783 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2785 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2787 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2789 * diagnostic (vbuild_message_string, build_message_string,
2790 build_location_prefix, output_get_prefix, init_output_buffer,
2791 output_notice, vline_wrapper_message_with_location,
2792 v_message_with_decl, default_print_error_function): De-constify.
2793 (set_real_maximum_length): Prototype.
2795 * diagnostic.h (struct output_buffer, init_output_buffer,
2796 output_get_prefix, output_set_prefix): De-constify.
2798 * function.c (init_function_start): Constify.
2800 * gensupport.c (remove_constraints, process_rtx): Prototype.
2802 * gthr-posix.h: Indent uses of #pragma.
2804 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2807 * predict.c (find_expected_value): Delete prototype.
2808 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2810 * sbitmap.h (debug_sbitmap): Prototype.
2812 * ssa.c (compute_coalesced_reg_partition): Prototype.
2814 * stor-layout.c (debug_rli): Prototype.
2816 * tree.h (round_down): Prototype.
2817 (init_function_start): Constify.
2819 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2821 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2822 (overly conservative). Change extern inline wrappers to
2823 static inline, define them always, use PARAMS properly.
2824 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2825 whitespace warnings for \f and \v at the beginning of a line.
2827 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2829 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2832 2000-05-04 Bruce Korb <bkorb@gnu.org>
2834 * fixincl/inclhack.def: added broken_cabs -
2835 Remove `extern double cabs' declarations from math.h
2836 * fixincl/inclhack.sh: regen
2837 * fixincl/fixincl.x: regen
2838 * fixincl/fixincl.c: Remove BOGOSITY code
2839 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2841 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2843 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2845 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2846 when calling MEM_COPY_ATTRIBUTES.
2847 * emit-rtl.c (operand_subword, change_address): Likewise.
2848 * explow.c (stabilize): Likewise.
2849 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2850 * integrate.c (copy_rtx_and_substitute): Likewise.
2851 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2852 when calling MEM_COPY_ATTRIBUTES.
2853 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2855 * cse.c (gen_lowpart_if_possible): Likewise.
2856 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2857 * optabs.c (gen_move_insn): Likewise.
2858 * recog.c (validate_replace_rtx_1): Likewise.
2859 * simplify-rtx.c (add_mem_for_addr): Likewise.
2860 * stmt.c (expand_anon_union_decl): Likewise.
2861 * config/arm/arm.md: Likewise.
2862 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2863 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2864 (block_move_no_loop, block_move_sequence): Likewise.
2865 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2866 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2867 Clear MEM_ALIAS_SET.
2868 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2869 MEM_COPY_ATTRIBUTES.
2871 2000-05-03 Robert Lipe <robertlipe@usa.net>
2873 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2874 to suppress libgcc1.
2875 (i[34567]86-*-sco3.2v5*) Likewise.
2876 (i[34567]86-*-sco3.2v4*) Likewise.
2877 (i[34567]86-*-sco) Likewise.
2878 (i[34567]86-*-solaris2) Likewise.
2879 (i[34567]86-*-sysv5*) Likewise.
2880 (i[34567]86-*-sysv4*) Likewise.
2881 (i[34567]86-*-udk*) Likewise.
2882 (i[34567]86-*-sysv*) Likewise.
2884 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2886 * cpphash.h (U): New define, to correct type of string constants.
2887 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2888 routines, to do casts when passing unsigned strings to libc.
2889 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2891 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2892 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2893 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2894 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2895 second argument an U_CHAR *.
2897 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2898 length field, clean up initializer.
2899 (ISTABLE): Add __extension__ to designated-
2900 initializers version.
2901 * cpplex.c (CHARTAB): Likewise.
2903 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2904 case so the file won't be empty.
2906 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2908 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2909 (REORDER_BLOCK_SUCC): Removed.
2910 (enum reorder_skip_type): Removed.
2911 (skip_insns_between_block): Renamed to skip_insns_after_block.
2912 Removed second argument. Removed dead code and cleaned up.
2913 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2914 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2915 second parameter to skip_insns_after_block.
2917 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2919 * tree.c (staticp, case LABEL_DECL): New case.
2921 2000-05-03 Richard Henderson <rth@cygnus.com>
2923 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2925 * mklibgcc1.in: Fix typo last change.
2927 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2929 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2930 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2931 (GCC_CFLAGS): Use it.
2932 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2933 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2934 objc/Make-lang.in: Use it.
2936 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2938 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2940 2000-05-03 Richard Henderson <rth@cygnus.com>
2942 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2943 LIBGCC1 empty with libgcc1.null.
2945 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2947 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2950 2000-05-03 Greg McGary <gkm@gnu.org>
2952 * tree.h (tree_common): Add bounded_flag member. Remove
2953 inaccurate comment about number of remaining bits.
2954 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2955 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2956 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2957 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2958 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2959 (TYPE_QUAL_BOUNDED): New constant.
2960 (TYPE_QUALS): Handle bounded qualifier.
2961 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2962 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2963 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2964 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2965 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2966 (tree_type): Add pointer_depth member. Remove
2967 inaccurate comment about number of remaining bits.
2968 (DECL_POINTER_DEPTH): Add macro.
2969 (tree_decl): Add pointer_depth member.
2971 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2973 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2974 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2975 (lshrhi3_out): Likewise.
2976 (ashrsi3_out): bugfix in shift by 8.
2977 (test_hard_reg_class): New function.
2978 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2979 (ashlhi3): removed define_expand of this pattern.
2980 (*ashlhi3_insn): renamed to ashlhi3.
2981 (ashlsi3): removed define_expand of this pattern.
2982 (*ashlsi3_insn): renamed to ashlsi3.
2983 (ashrqi3): removed define_expand of this pattern.
2984 (*ashrqi3_insn): renamed to ashrqi3.
2985 (ashrhi3): removed define_expand of this pattern.
2986 (*ashrhi3_insn): renamed to ashrhi3.
2987 (ashrsi3): removed define_expand of this pattern.
2988 (*ashrsi3_insn): renamed to ashrsi3.
2989 (lshrhi3): removed define_expand of this pattern.
2990 (*lshrhi3_insn): renamed to lshrhi3.
2991 (lshrsi3): removed define_expand of this pattern.
2992 (*lshrsi3_insn): renamed to lshrsi3.
2994 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2996 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2997 inclusion of "system.h".
2999 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3001 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3004 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3006 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3007 if -mauto-pic is on.
3008 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3009 -mconstant-gp is in effect and function-descriptors are being used
3010 to make indirect calls.
3011 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3012 (MASK_AUTO_PIC): Ditto.
3013 (TARGET_CONST_GP): Ditto.
3014 (TARGET_AUTO_PIC): Ditto.
3015 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3016 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3017 -mno-pic is in effect.
3018 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3019 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3020 -mauto-pic is in effect.
3021 (gprel64_offset): New pattern.
3022 (load_gprel64): Ditto.
3023 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3024 -mconstant-gp is in effect, no need to preserve gp around direct
3026 (call_value): Ditto.
3027 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3028 (FUNCTION_PROFILER): Define.
3029 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3030 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3031 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3033 2000-05-03 Richard Henderson <rth@cygnus.com>
3035 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3036 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3037 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3038 (mklibgcc, libgcc.mk): New targets.
3039 (libgcc.a): Use libgcc.mk.
3040 (stmp-multilib): Likewise.
3041 (stmp-multilib-sub): Remove.
3042 (mostlyclean): Don't delete libgcc2 temp files.
3043 * configure.in (AC_PROG_CC_C_O): Add.
3044 (NO_MINUS_C_MINUS_O): Substitute it.
3045 (all_outputs): Add mklibgcc.
3046 * mklibgcc.in: New file.
3048 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3050 * cppexp.c (op_t): Make an int.
3052 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3054 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3056 * gensupport.c (process_rtx): Fix macros used.
3058 2000-05-03 Richard Henderson <rth@cygnus.com>
3060 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3061 call-clobbered registers of a call.
3063 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3065 * gensupport.c: New file.
3066 * gensupport.h: New file.
3067 * Makefile.in (HOST_RTL): Depend on gensupport.
3068 (gensupport.o) New rule.
3069 * genattr.c: Use gensupport for reading .md files.
3070 * genattrtab.c: Ditto.
3071 * gencodes.c: Ditto.
3072 * genconfig.c: Ditto.
3074 * genextract.c: Ditto.
3075 * genflags.c: Ditto.
3076 * genopinit.c: Ditto.
3077 * genoutput.c: Ditto.
3079 * genrecog.c: Ditto.
3080 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3081 * md.texi (Insn Splitting): Document define_insn_and_split.
3083 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3085 * flow.c (verify_flow_info): Added two more sanity checks. The
3086 first checks that the blocks are numbered consecutively. The second
3087 checks that n_basic_blocks is actually equal to the number of
3088 basic blocks in the insn chain.
3090 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3092 * cpplib.h: Add accessor macros for token lists.
3093 * cpplib.c, cpphash.c, cpplex.c: Use them.
3095 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3097 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3098 memory usage if not in a function.
3099 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3100 return address if static.
3102 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3104 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3105 whether address may trap.
3107 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3109 * bb-reorder (chain_reorder_blocks): Changed code to test for
3110 EDGE_FALLTHRU rather than making erroneous assumption that the
3111 first outgoing edge is the fall-through edge.
3113 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3115 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3116 ABI for varargs, across all MIPS. This is incompatible because the
3117 va_list (__builtin_va_list) structure is different, so a compilation
3118 unit passing a va_list and a compilation unit being passed one, should
3119 both be compiled with the same ABI. (The old structure had two
3120 pointers, now it has three.)
3122 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3124 * bb-reorder.c (struct reorder_block_def): Remove members end,
3125 block_begin, and block_end.
3126 (REORDER_BLOCK_OLD_END): Delete.
3127 (REORDER_BLOCK_BEGIN): Delete.
3128 (REORDER_BLOCK_END): Delete.
3129 (chain_reorder_blocks): Remove dead code.
3131 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3133 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3134 notes as the end of a basic block before deleting.
3136 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3138 * final.c (final_start_function): Fix spelling of "necessary".
3140 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3142 * toplev.c (debug_ignore_block): Return int.
3143 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3144 * toplev.h, dwarf2out.h: Adjust.
3145 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3147 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3148 * toplev.c, final.c, rtl.h: Adjust.
3150 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3152 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3153 * configure.in: Look for makeinfo in the unified tree, then
3154 for a system makeinfo which is sufficiently new.
3155 * Makefile.in: If configure says makeinfo is too old, don't
3156 build or install Info documentation.
3158 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3160 * cpphash.c (collect_params): Fix off-by-one error.
3161 (dump_hash_helper): Dump all four macro nodetypes.
3163 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3165 * cpphash.c (trad_stringify): Adjust p after stringification as
3168 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3170 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3171 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3173 * cppfiles.c (file_cleanup): Delete.
3174 * cpphash.c (macro_cleanup): Delete.
3175 (collect_objlike_expansion, collect_funlike_expansion,
3176 macarg, scan_arguments): Remove CPP_POP case.
3178 * cpplex.c (null_cleanup): Delete.
3179 (cpp_pop_buffer): Do the work that was done in the cleanups
3180 here. Call _cpp_unwind_if_stack from here.
3181 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3182 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3183 stack is the buffer _below_ the one we stacked.
3184 (cpp_get_token): Always pop an exhausted buffer. Return
3185 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3186 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3187 increment the line number.
3188 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3190 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3191 we see CPP_EOF and the top of stack is the buffer _below_ the
3193 * scan-decls.c: Likewise.
3195 2000-05-02 Andrew Haley <aph@cygnus.com>
3197 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3198 where this function is called for the second time on a decl that
3199 has had its section info changed in such a way as to move it out
3201 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3203 2000-05-01 Richard Henderson <rth@cygnus.com>
3205 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3206 the sequence we're moving, not to merge_bb->head.
3208 2000-05-01 Richard Henderson <rth@cygnus.com>
3210 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3211 reference to alpha/t-linux.
3212 (alpha*-*-linux-gnu*): Likewise.
3213 * configure: Rebuild.
3215 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3217 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3220 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3222 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3224 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3227 2000-05-01 Richard Henderson <rth@cygnus.com>
3229 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3230 emit_conditional_move.
3232 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3234 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3235 as the dynamic linker.
3237 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3239 * cppfiles.c (open_include_file): Open file in blocking mode.
3240 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3241 Only exclude block devices and directories.
3243 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3244 static. Allocate the hashnode and its string in the same
3246 (del_HASHNODE): Don't free h->name.
3247 (_cpp_lookup): If there is no entry for this string, create
3248 one, of type T_VOID.
3249 (_cpp_lookup_slot): Delete.
3250 * cpphash.h: Update prototypes.
3252 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3254 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3255 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3256 node here, just fill in the value field properly. "Delete"
3257 entries by setting the value field to T_VOID. Check for
3258 hp->type == T_VOID, not hp == NULL.
3260 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3261 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3264 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3266 * config/mn10300/mn10300.c (print_operand_address): Do not add
3269 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3270 adjusted by less than 256 bytes, use ret regardless of having any
3271 callee-saved register to restore.
3273 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3275 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3277 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3279 * config/i386/djgpp.h (INT_ASM_OP): Define.
3280 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3281 (ASM_WEAKEN_LABEL): Define.
3282 (MASK_BNU210): Define.
3283 (SUBTARGET_SWITCHES): Define.
3284 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3285 (MAKE_DECL_ONE_ONLY): Define.
3286 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3288 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3290 * i386/cygwin.h (INT_ASM_OP): Define.
3292 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3294 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3295 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3297 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3299 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3300 __tmp_reg__ and __zero_reg__ initialization.
3302 2000-04-30 Richard Henderson <rth@cygnus.com>
3304 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3306 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3307 referenced bewteen the condition and the jump. Don't delete
3308 anything but the jump.
3310 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3312 * bb-reorder.c (scope_def): New struct.
3313 (scope_forest_info): New struct.
3314 (struct reorder_block_def): New member "scope".
3315 (REORDER_BLOCK_SCOPE): New macro.
3316 (relate_bbs_with_scopes): New function and prototype.
3317 (make_new_scope): Likewise.
3318 (build_scope_forest): Likewise.
3319 (remove_scope_notes): Likewise.
3320 (insert_intra_1): Likewise.
3321 (insert_intra_bb_scope_notes): Likewise.
3322 (insert_inter_bb_scope_notes): Likewise.
3323 (rebuild_scope_notes): Likewise.
3324 (free_scope_forest_1): Likewise.
3325 (free_scope_forest): Likewise.
3326 (dump_scope_forest): Likewise.
3327 (dump_scope_forest_1): Likewise.
3328 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3329 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3331 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3332 and remove_scope_notes before reordering is done. Added calls to
3333 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3334 after reordering is done.
3336 2000-40-30 Bruce Korb <bkorb@gnu.org>
3338 * fixinc/inclhack.def: Added definitions needed by OSR5,
3339 removed two stale entries (defined away with OLD_CPP).
3340 * fixinc/inclhack.sh: regen
3341 * fixinc/fixincl.x: regen
3343 2000-04-30 Richard Henderson <rth@cygnus.com>
3345 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3346 from the last insn in the sequence.
3348 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3350 * cpplex.c (cpp_idcmp): New function.
3351 * cpplib.h: Prototype it.
3352 * scan_decls.c (scan_decls): Use it to inspect token names.
3353 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3354 the file being run through the preprocessor.
3355 (check_macro_names): Provide length of token to cpp_defined.
3357 * Makefile.in: Remove stale warning message.
3359 * cppfiles.c (redundant_include_p): Provide length of token to
3361 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3362 values are unsigned int.
3363 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3364 (_cpp_lookup_slot): Do not calculate the hash, either.
3365 * cpphash.h: Update prototypes.
3366 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3367 Hashes are unsigned int. Calculate hash here, pass by value
3368 to _cpp_lookup_slot.
3370 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3372 * simplify-rtx.c (check_value_useless): Delete function.
3373 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3375 (cselib_invalidate_regno): Likewise.
3376 (cselib_invalidate_mem_1): Likewise.
3377 (references_value_p): Recognize useless values by the fact that they
3379 (discard_useless_values): Likewise.
3380 (cselib_record_set): This may turn a useless value
3383 2000-04-30 Richard Henderson <rth@cygnus.com>
3385 * config/d30v: New port.
3387 * configure.in (d30v-*): Set fp format.
3388 * configure: Rebuild.
3390 2000-04-30 Richard Henderson <rth@cygnus.com>
3392 * ifcvt.c: New file.
3393 * Makefile.in (OBJS): Add it.
3394 (ifcvt.o): New target.
3395 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3396 and conditional arithmetic.
3397 (find_insert_position): Remove.
3398 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3399 * toplev.c (DFI_ce, DFI_ce2): New.
3400 (dump_file): Add ce and ce2 dumps.
3401 (rest_of_compilation): Run if_convert a couple o times. Set
3402 cse_not_expected after cse2. Don't set no_new_pseudos until
3403 after sched1 or recompute_reg_usage.
3405 2000-04-30 Richard Henderson <rth@cygnus.com>
3407 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3408 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3410 2000-04-30 Richard Henderson <rth@cygnus.com>
3412 * flow.c (struct reg_cond_life_info): New.
3413 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3414 (init_propagate_block_info): Initialize them.
3415 (free_propagate_block_info): Destruct them.
3416 (mark_set_1): Consider conditional life before killing a register.
3417 (mark_regno_cond_dead): New.
3418 (free_reg_cond_life_info): New.
3419 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3420 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3421 (mark_used_reg): Record conditional life.
3423 * haifa-sched.c (schedule_insns): Disable death counting
3424 sanity check for HAVE_conditional_execution.
3426 2000-04-30 Richard Henderson <rth@cygnus.com>
3428 * Makefile.in (TIMEVAR_H): New.
3429 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3430 (timevar.h): Remove rule.
3432 2000-04-29 Richard Henderson <rth@cygnus.com>
3434 * config/alpha/crtend.asm: Use C comments instead of #.
3435 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3437 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3439 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3441 * cpphash.h (enum node_type: Take out T_MCONST.
3442 (union hashval): Move into struct hashnode.
3443 (struct hashnode): Pack tighter. Remove file, line, col
3445 * cpphash.c: Constify most of the macro-definition structures.
3446 (struct definition): Replace by struct object_defn
3447 and struct funct_defn. Put file, line, column information
3448 here. All users updated to match.
3449 (_cpp_create_definition, _cpp_macroexpand): Remove special
3450 case for #define WORD OTHERWORD.
3451 * cpplib.c (do_undef): Remove T_MCONST case.
3453 * cpphash.h: Move struct reflist, struct definition, and the
3454 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3455 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3456 * cpphash.c (_cpp_free_definition): Free data pointed to by
3457 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3458 (_cpp_create_definition, del_HASHNODE): Just call
3459 _cpp_free_definition to clear out a hashnode.
3460 * cpplib.c (do_pragma_poison): Likewise.
3462 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3464 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3465 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3466 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3467 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3468 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3469 REGNO_AM33_P): Redefine in terms of the new macros.
3470 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3471 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3472 STRUCT_VALUE): Likewise.
3473 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3474 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3476 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3478 * regmove.c (struct record_stack_memrefs_data): New.
3479 (record_stack_memrefs): New function.
3480 (combine_stack_adjustments_for_block): Use it.
3482 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3484 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3485 use special_function_p to detect alloca.
3487 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3489 * gcc.texi: Fixes for makeinfo 4.0 --html.
3491 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3493 * pcp.h: Delete file.
3495 2000-04-28 Kazu Hirata <kazu@hxi.com>
3497 * h8300.c (function_epilogue): Clean up flags when the last insn
3498 in a function is a barrier.
3500 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3502 * configure.in (sparc-hal-solaris2*): protect [] glob from
3504 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3505 rather than hard-coded constants in target_cpu_default2.
3506 * configure: Regenerate.
3508 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3510 * tree.c (get_callee_fndecl): Extract the initial value from
3513 2000-04-28 Richard Henderson <rth@cygnus.com>
3515 * varasm.c (record_constant_1): Record the CODE_LABEL when
3516 taking the address of a LABEL_REF.
3518 2000-04-28 Richard Henderson <rth@cygnus.com>
3519 Jan Hubicka <jh@suse.cz>
3521 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3522 adjustment; don't do the stack adjust.
3523 (expand_call): Call compute_argument_block_size right before
3524 allocating the block; update comment; don't do alignment sanity
3525 checking for sibling call; use args_size instead of
3526 unadjusted_args_size before args_size is adjusted. Use
3527 combine_pending_stack_adjustment_and_call to compute stack adjust
3528 for must_preallocate case.
3530 * expr.c (push_block): Remove shadow `temp' in inner scope.
3532 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3534 * toplev.c (rest_of_compilation): Call
3535 note_deferral_of_defined_inline_function even if the function
3538 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3540 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3542 2000-04-28 Richard Henderson <rth@cygnus.com>
3544 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3546 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3548 * timevar.c (init_timevar): DeANSIfy function definition.
3550 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3552 * Makefile.in (timevar.o): Depend on flags.h.
3553 * timevar.c (unused_stack_instances): New variable.
3554 (timevar_push): Take a timevar_stack_def from
3555 unused_stack_instances if available.
3556 (timevar_pop): Push the popped timevar_stack_def onto
3557 unused_stack_instances.
3558 (TIMEVAR_ENABLE): New macro.
3559 (timevar_def): Make standalone a 1-bit field. Add field used.
3560 (get_time): Rename parameter to now. Return after clearing it if
3562 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3563 (timevar_pop): Likewise.
3564 (timevar_stop): Likewise.
3565 (timevar_push): Likewise. Mark the timing variable as used.
3566 (timevar_start): Likewise.
3567 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3568 timevars that were never used.
3570 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3572 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3573 always TREE_READONLY.
3575 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3577 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3578 for call instruction with mode QImode.
3580 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3582 * Makefile.in (OBJS): Add timevar.o.
3583 (toplev.o): Depend on timevar.h.
3584 (ggc-simple.o): Likewise.
3585 (ggc-page.o): Likewise.
3586 (timevar.o): New rule.
3587 (timevar.h): New rule.
3589 * timevar.h: New file.
3590 * timevar.c: Likewise.
3591 * timevar.def: Likewise.
3593 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3594 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3596 (TIMEVAR): Remove macro.
3597 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3598 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3599 flow_time, combine_time, regmove_time, sched_time,
3600 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3601 sched2_time, dbr_sched_time, reorder_blocks_time,
3602 rename_registers_time, shorten_branch_time, stack_reg_time,
3603 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3605 (compile_file): Don't initialize time variables. Call
3606 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3607 of many calls to print_time.
3608 (rest_of_compilation): Add timing for reload_cse_regs.
3609 (get_run_time): Removed to timevar.c.
3610 (print_time): Likewise.
3611 (get_run_time): Implement using TV_TOTAL time variable.
3612 (print_time): Get total run time from get_run_time.
3613 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3614 computing elapsed time explicitly.
3615 * ggc-simple.c (ggc_collect): Likewise.
3616 (gc_time): Remove declaration.
3618 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3620 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3621 (expand_call): Use it.
3623 2000-04-27 Jan Hubicka <jh@suse.cz>
3625 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3628 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3630 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3633 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3635 * function.c (epilogue_done): Pass whole insn to record_insns.
3637 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3639 * cse.c (CSE_ADDRESS_COST): Remove.
3640 (find_best_addr): Add new parameter "MODE", use address_cost instead
3642 (address_cost): New.
3643 (fold_rtx): Update call of find_best_addr.
3644 * rtl.h (address_cost): Declare.
3645 * loop.c (general_induction_var): Add new parameter "MODE", use
3646 address_cost instead of ADDRESS_COST
3647 (init_loop): Use address_cost instead of ADDRESS_COST.
3648 (check_insn_for_givs): Update call of general_induction_var.
3649 (find_mem_givs): Likewise.
3650 (consec_sets_giv): Likewise.
3651 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3652 * i386.c (ix86_address_cost): New.
3653 * i386-protos.h (ix86_address_cost): Declare.
3655 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3657 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3660 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3662 * expr.c (store_expr): Use clear_storage instead of direct memset
3665 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3667 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3668 ASHIFT, AND and LABEL_REF.
3670 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3672 * invoke.texi (-foptimize-sibling-calls): Fix.
3674 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3676 * loop.c (load_mems) Don't use hard registers for the hoisting.
3678 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3679 calculation; rename const_equiv array in the preconditioning code
3680 from loop_unroll to loop_unroll_precondition
3682 2000-04-27 Richard Henderson <rth@cygnus.com>
3684 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3686 (propagate_one_insn): Clear it. Don't update reg_live here.
3687 (init_propagate_block_info): Update for pbi member changes.
3688 (free_propagate_block_info): Likewise.
3689 (mark_set_1): Know that zero_extract, sign_extract, and
3690 strict_low_part don't kill their argument. Alter hard subregs.
3691 Update new_set for non-CLOBBER sets. Update reg_live.
3692 (find_auto_inc): Update reg_live, not new_dead.
3693 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3694 to determine if the reg in question was set this insn. Only update
3695 reg info with PROP_REG_INFO.
3697 2000-04-26 Richard Henderson <rth@cygnus.com>
3699 * flow.c (allocate_reg_life_data): Set max_regno here ...
3700 (life_analysis): ... not here.
3702 * flow.c (calculate_global_regs_live): Force stack pointer
3705 2000-04-26 Richard Henderson <rth@cygnus.com>
3707 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3708 commit change group changes.
3709 (invert_exp_1): Similarly.
3710 (redirect_exp, invert_exp): Use them.
3711 (redirect_jump_1): New.
3712 (invert_jump_1): New.
3713 (jump_optimize_1): Remove code subsumed by condexec.c.
3714 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3716 2000-04-26 Richard Henderson <rth@cygnus.com>
3718 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3720 * genconfig.c (main): Set all HAVE_foo to 1.
3722 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3724 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3726 * invoke.texi: Document -fssa flag.
3728 2000-04-26 Richard Henderson <rth@cygnus.com>
3730 * flow.c (count_reg_sets_1): Remove.
3731 (count_reg_sets, count_reg_references): Remove.
3732 (recompute_reg_usage): Implement with update_life_info.
3733 Reallocate life data.
3735 2000-04-26 Richard Henderson <rth@cygnus.com>
3737 * flow.c (update_life_info): Consider blocks null to mean the
3739 (calculate_global_regs_live): Likewise.
3740 (life_analysis): Do that instead of collecting all_blocks.
3742 2000-04-26 Richard Henderson <rth@cygnus.com>
3744 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3745 a still-valid conditional jump.
3747 2000-04-26 Richard Henderson <rth@cygnus.com>
3749 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3751 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3752 * flow.c (calculate_loop_depth): Remove.
3753 * output.h (calculate_loop_depth): Don't declare.
3754 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3755 inline; run estimate_probability at the same time.
3757 2000-04-26 Neil Booth <NeilB@earthling.net>
3759 * cpplib.h: "~=" is not a single pp-token.
3760 * cpplex.c: Correct commentary.
3762 2000-04-26 Richard Henderson <rth@cygnus.com>
3764 * flow.c (mark_set_1): New arguments code and flags; update all
3765 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3766 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3767 loop_depth when optimizing for size. Do new_dead update after
3768 emitting REG_UNUSED notes. Merge mark_set_reg code.
3769 (mark_set_reg): Remove.
3770 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3771 arrange to not emit REG_UNUSED notes.
3773 2000-04-26 Richard Henderson <rth@cygnus.com>
3775 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3776 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3778 2000-04-26 Richard Henderson <rth@cygnus.com>
3780 * flow.c (propagate_one_insn): Break out from propagate_block.
3781 (init_propagate_block_info): Likewise.
3782 (free_propagate_block_info): Likewise.
3783 (propagate_block): Use them. Export.
3784 * basic-block.h: Declare them all.
3786 2000-04-26 Richard Henderson <rth@cygnus.com>
3788 * basic-block.h (life_analysis): Declare here ...
3789 * output.h: ... not here.
3790 * flow.c (life_analysis): Remove nregs parameter; replace
3791 remove_dead_code with flags. Remove ssa dead code check.
3792 Only init alias analysis if we'll use it.
3793 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3794 * ssa.c (convert_to_ssa): Likewise.
3795 (convert_from_ssa): Likewise.
3796 * toplev.c (rest_of_compilation): Likewise.
3798 2000-04-26 Richard Henderson <rth@cygnus.com>
3800 * flow.c (flow_delete_block): Rename from delete_block. Export.
3801 * basic-block.h (flow_delete_block): Declare.
3803 2000-04-26 David S. Miller <davem@redhat.com>
3805 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3806 taking a PATTERN of it.
3808 2000-04-26 <NeilB@earthling.net>
3810 * cpplex.c (spell_other, spell_char): Remove.
3812 (token_spelling, trigraph_map): Use unsigned chars.
3813 (_cpp_lex_line): Tidy up the switch statement.
3814 * cpplib.h: Implement spell_char with spell_string.
3817 2000-04-26 <RodneyBrown@pmsc.com>
3819 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3820 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3822 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3824 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3825 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3826 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3827 dwarf2out_return_save, dwarf2out_return_reg,
3828 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3829 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3830 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3832 * dwarf2out.h (dwarf2out_init): Likewise.
3834 * dwarfout.c (filename_entry, primary_filename, last_filename,
3835 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3837 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3838 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3839 dwarf2out_return_reg): Likewise.
3841 2000-04-26 Andreas Jaeger <aj@suse.de>
3843 * extend.texi (Function Attributes): Fix description of pure
3846 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3848 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3849 before calling rest_of_compilation.
3851 2000-04-26 Andreas Jaeger <aj@suse.de>
3853 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3856 2000-04-25 Richard Henderson <rth@cygnus.com>
3858 * cse.c (cse_insn): Emit barrier after unconditional jump.
3860 * calls.c (expand_call): Disable tail call generation once
3861 rtx_equal_function_value_matters is false.
3863 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3866 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3868 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3870 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3872 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3873 is the primary DIE for a member function.
3874 (gen_decl_die): Call set_decl_origin_self here.
3875 * dwarfout.c (output_decl): And here.
3876 * integrate.c (output_inline_function): Not here.
3877 Don't clear DECL_INLINE until after calling rest_of_compilation.
3878 (set_decl_origin_self): No longer static.
3879 * tree.h: Add prototype.
3880 * toplev.c (note_deferral_of_defined_inline_function): Only write
3881 out abstract instance for actual inlines.
3883 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3885 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3886 EXTENDED_REGS only if TARGET_AM33.
3887 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3888 SP_REGS to register allocation and reloading unless absolutely
3890 (movsi3): Remove special-case of adding non-constants to SP.
3892 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3894 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3895 INCLUDES to search and does not provide any of its own. Also it
3896 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3897 parameters. Also it does not call AC_DEFINE.
3898 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3899 AC_DEFINE and provides for automatic entries for autoheader.
3900 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3902 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3903 so we can pass -I flags and include gansidecl.h/system.h in this
3906 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3908 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3910 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3911 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3912 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3914 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3915 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3916 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3917 for these macros. Clean up spacing and linewraps.
3919 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3921 * calls.c (expand_call): Use get_callee_fndecl.
3923 * print-tree.c (print_node): Print the chain of an _EXPR.
3925 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3926 Jim Wilson <wilson@cygnus.com>
3927 Andrew Haley <aph@cygnus.com>
3929 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3930 and gp save/restore problems.
3931 * config/ia64/crtend.asm: Add IA-64 unwind support.
3932 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3933 in fr_pad_size calculation.
3934 (save_restore_insns): Move PR save area. Correct uses of
3935 RTX_FRAME_RELATED_P.
3936 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3937 (ia64_expand_epilogue): Add eh_epilogue support.
3938 (ia64_function_prologue): Emit .prologue directive.
3939 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3940 (ia64_override_options): Set init_machine_status and
3941 mark_machine_status.
3942 (rtx_needs_barrier): Handle bsp reads and writes.
3943 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3944 New static variables.
3945 (process_set, process_for_unwind_directive): New functions.
3946 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3947 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3948 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3950 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3951 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3952 (struct machine_function): Define.
3953 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3955 2000-04-25 Bruce Korb <bkorb@gnu.org>
3957 * fixinc/Makefile.in: make the removal of old programs more
3959 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3960 install-bin and install-sh
3962 2000-04-25 Nick Clifton <nickc@cygnus.com>
3964 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3965 defined, define to return zero.
3966 (function_cannot_inline_p): If a function has any target
3967 specific attributes, then use the macro
3968 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3969 whether it can be inlined. If it cannot, issue a suitable
3972 * tm.texi: Add a new node 'Inlining' to document the new macro
3973 FUNCTION_ATTRIBUTE_INLINABLE_P.
3975 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3977 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3980 2000-04-25 Neil Booth <NeilB@earthling.net>
3982 Restore previous patch, plus the following fixes:
3984 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3985 flags, not CPP_OPEN_PAREN.
3986 * cpplex.c (expand_token_space, init_token_list,
3987 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3988 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3990 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3992 * config/i386/freebsd.h (INT_ASM_OP): Define.
3994 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3996 * loop.c (strength_reduce): Fix typo in the last checkin.
3998 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4000 * stor-layout.c (finalize_record_size): Simplify to use existing
4002 (compute_record_mode): No longer static.
4003 * tree.h (compute_record_mode): New declaration.
4005 2000-04-25 Neil Booth <NeilB@earthling.net>
4007 * Revert my patch below until cause of build failures
4010 2000-04-25 Richard Henderson <rth@cygnus.com>
4012 * combine.c (combine_instructions): Add missing argument
4015 * toplev.c (rest_of_compilation): Delay sibcall optimization
4016 until after emit_eh_context.
4018 2000-04-24 Nick Clifton <nickc@redhat.com>
4020 * combine.c (combine_instructions): Do not try to combine a
4021 sequence of insns when the second insn has been replaced by a
4024 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4026 * gcc.c (load_specs): New static function.
4027 (read_specs): Use it.
4029 * gcc.c (lookup_compiler): Make multiple passes for case
4030 insensitive filesystems.
4032 2000-04-24 Neil Booth <NeilB@earthling.net>
4034 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4035 * cpphash.h (_cpp_check_directive): new.
4036 * cpplex.c (handle_newline, cpp_free_token_list,
4037 init_trigraph_map, trigraph_ok, trigraph_replace,
4038 backslash_start, skip_block_comment, skip_line_comment,
4039 skip_whitespace, parse_name, parse_number, parse_string,
4040 copy_comment, _cpp_lex_line, spell_char, spell_string,
4041 spell_comment, spell_name, spell_other, _cpp_lex_file,
4042 _cpp_output_list): new.
4043 (expand_name_space): take length argument.
4044 (init_token_list): add comment list initialisation.
4045 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4046 instead of HSPACE_BEFORE.
4048 * cpplib.c (_cpp_check_directive): new
4049 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4050 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4051 (HSPACE_BEFORE): delete.
4052 (TTYPE_TABLE): rearrange.
4053 (struct cpp_toklist): update.
4055 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4057 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4058 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4059 argument form of AC_DEFINE.
4061 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4062 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4063 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4064 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4065 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4067 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4069 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4071 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4072 deduced.h): Use -isystem, not -I, for including system headers.
4074 2000-04-24 Nick Clifton <nickc@cygnus.com>
4076 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4077 the source register is the frame pointer or arg pointer.
4078 (addsi3_small_int): Disallow if source register is the frame
4079 pointer or arg pointer.
4081 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4083 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4084 call to AC_MSG_RESULT.
4086 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4088 * invoke.texi: Correct grammatical errors, document
4089 -fno-gnu-keywords as identical to -fno-asm for C++.
4091 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4093 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4094 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4095 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4096 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4097 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4099 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4100 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4101 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4102 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4105 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4107 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4108 (pop_alignment): Likewise.
4109 (handle_pragma_token): Likewise.
4111 2000-04-24 Robert Lipe <robertlipe@usa.net>
4113 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4115 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4117 * combine.c (try_combine): Update reg_nonzero_bits of
4118 newi2pat before newpat.
4120 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4122 * loop.c (strength_reduce): Simplify test to INSN_P.
4123 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4124 expressions instead of CONST_INT.
4125 (express_from_1): Likewise.
4127 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4129 * regs.h (reg_n_max): Don't declare.
4130 * flow.c (reg_n_max): Don't define.
4131 * regclass.c (renumber): Don't initialize to zero.
4132 (regno_allocated): Likewise.
4133 (reg_n_max): Define.
4134 (allocate_reg_info): Don't initialize unnecessarily.
4136 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4138 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4139 and blockage_p in the newly allocated attribute.
4141 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4143 * config/mn10300/mn10300.md (addsi): `inc4' on address
4144 registers does not modify cc, but `inc' on an extended
4147 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4149 * reload.c (find_equiv_reg): Checks all valueno regs
4150 as a reload_reg_p regs.
4152 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4154 * cpphash.c (collect_objlike_expansion): Add sanity check.
4155 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4156 the buffer is the empty string, return. Mark __DATE__ and
4157 __TIME__ as XCONST nodes, not MCONST.
4158 (_cpp_macroexpand): Avoid pushing an empty buffer.
4159 (funlike_macroexpand): Don't pop token_buffer here.
4161 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4163 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4164 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4165 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4166 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4167 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4168 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4169 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4171 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4173 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4176 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4178 * cpphash.h (struct definition): Move file, line, col members...
4179 (struct hashnode): ... here. Also add 'disabled' flag.
4180 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4181 T_IDENTITY. Remove T_DISABLED.
4184 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4185 (collect_expansion): Split into collect_objlike_expansion and
4186 collect_funlike_expansion.
4187 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4188 funlike_macroexpand.
4189 (_cpp_compare_defs): Rename compare_defs, make static.
4190 (_cpp_make_hashnode): Initialize hp->disabled.
4191 (macro_cleanup): Adjust for new token types. Clear
4193 (_cpp_create_definition): Move code here to determine what
4194 sort of macro it is, and code to check for redefinitions, from
4195 do_define. Implement a few simple cases without creating a
4197 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4198 Handle the simple cases.
4199 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4202 * cppinit.c (builtin_array): Change MCONST to XCONST
4204 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4205 fix check for disabled and function-like macros.
4206 * cpplib.c (do_define): Move most logic to
4207 _cpp_create_definition.
4208 (do_undef): Handle new special token types.
4210 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4212 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4213 of CONSTANT_P for mult_val; always use validate_change to update insn.
4215 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4217 * cpphash.c (trad_stringify, add_pat): New functions.
4218 (collect_expansion): Restore support for -traditional syntax.
4219 Use trad_stringify and add_pat.
4220 (_cpp_macroexpand): Restore support for -traditional semantics.
4221 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4222 get a COMMENT token.
4223 (_cpp_lex_token): Provide COMMENT tokens to caller if
4224 traditional and parsing_define_directive.
4225 (skip_comment): Warn about // comments if -Wtraditional.
4226 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4228 (do_undef): Don't warn about undefining EMPTY nodes.
4230 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4232 * loop.c (strength_reduce): Fix biv removal code.
4234 2000-04-22 Richard Henderson <rth@cygnus.com>
4236 * predict.c (estimate_probability): Examine both sides of
4237 a branch for no exits. Use 90% not 50% for predict taken.
4238 Reorg for one copy of note generation code.
4240 2000-04-22 Richard Henderson <rth@cygnus.com>
4242 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4244 2000-04-22 Richard Henderson <rth@cygnus.com>
4246 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4247 (output_clear): Likewise.
4248 (output_printf): Use va_copy.
4249 (vline_wrapper_message_with_location): Likewise.
4250 (v_message_with_decl): Likewise.
4251 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4252 * system.h (va_copy): Provide default implementation.
4254 2000-04-22 Richard Henderson <rth@cygnus.com>
4256 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4257 the collected condition is not a constant.
4259 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4261 * diagnostic.h: New file.
4263 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4265 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4266 various function prototypes.
4267 (diagnostic.h): #include.
4268 (struct output_buffer): Move into diagnostic.h.
4269 (get_output_prefix): Rename to output_get_prefix. Export.
4270 (init_output_buffer): Export. Break out. Ajust intialization.
4271 (output_space_left, output_append): Export.
4272 (output_newline): Rename to output_add_newline. Export.
4273 (output_clear): Nullify additional output_buffer fields.
4274 (output_puts): Rename to output_add_string. Export.
4275 (dump_output): Rename to output_flush_on. Export.
4276 (build_location_prefix): Constify return-type.
4277 (emit_output_prefix): Rename to output_emit_prefix. Export.
4278 (set_real_maximum_length): New function.
4279 (output_set_maximum_length): Ditto
4280 (output_clear): Ditto.
4281 (output_add_character): Ditto.
4282 (output_add_integer): Ditto.
4283 (output_add_space): Ditto.
4284 (output_format): Ditto.
4285 (output_printf): Adjust buffer initialization.
4286 (vline_wrapper_message_with_location): Ditto.
4287 (v_message_with_decl): Ditto. Adjust call to output_puts
4288 and get_output_prefix.
4289 (default_print_error_function): Adjust buffer intialization.
4291 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4293 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4296 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4298 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4301 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4303 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4304 accurate data about SP moves.
4306 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4308 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4309 aliases to AM33 registers.
4311 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4313 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4314 to all EXTENDED bitmaps.
4316 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4318 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4319 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4320 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4322 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4324 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4325 the operand is not constant.
4327 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4329 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4330 as a call-clobbered regs.
4332 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4334 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4336 * rtl.def: Update comment.
4337 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4338 * integrate.c (expand_inline_function): Likewise.
4339 * profile.c (branch_prob): Likewise.
4340 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4341 * print-rtl.c (print_rtx): Likewise.
4342 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4343 (reemit_notes): Likewise; also use enum insn_note.
4345 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4346 (place_field): Properly compute know and actual alignment.
4348 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4351 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4354 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4356 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4357 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4358 (collect_expansion): Rewrite to scan over a token list.
4359 Remove -traditional support.
4360 (collect_formal_parameters): Rename to collect_params; rewrite
4361 to scan over a token list.
4362 (_cpp_create_definition): Adjust to scan a token list.
4363 (_cpp_macroexpand): Remove -traditional support.
4364 (_cpp_compare_defs): Whitespace is now canonicalized.
4365 (comp_def_part): Delete function.
4367 * cpphash.h: Update prototypes.
4368 * cpplex.c (init_token_list): Don't set lineno if there is no
4370 (pedantic_whitespace): New function.
4371 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4372 consume a newline. Use pedantic_whitespace.
4373 (_cpp_lex_token): Remove support for -traditional macros.
4374 (_cpp_get_define_token): Delete.
4375 (_cpp_get_directive_token): Do the real work here. Use
4376 pedantic_whitespace.
4377 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4379 * cpplib.c (get_macro_name): Delete.
4380 (do_define): Read the entire line into pfile->directbuf, then
4381 feed the token list to _cpp_create_definition.
4382 * cpplib.h (HSPACE_BEFORE): new define.
4383 (struct cpp_reader): Add a toklist member, "directbuf".
4385 * predict.c (estimate_probability): New heuristic: if a jump
4386 branches around a block with no successors, predict it taken.
4387 Disentangle control flow.
4389 2000-04-20 Richard Henderson <rth@cygnus.com>
4391 * loop.c (emit_iv_add_mult): Revert last change.
4393 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4395 * cpplib.h (enum cpp_ttype): Add token types for all
4396 punctuators. Distinguish pp-numbers from valid C numbers.
4397 Give some tokens better names. Initialize from macro.
4398 (struct cpp_name, cpp_token, cpp_toklist): New data
4401 * cpplex.c (bump_column, expand_name_space,
4402 expand_token_space, init_token_list, cpp_output_list,
4403 _cpp_scan_line): New functions.
4404 (output_line_command): Add third argument, new line number.
4405 * cpphash.h: Update prototypes.
4406 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4409 2000-04-20 Richard Henderson <rth@cygnus.com>
4411 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4413 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4415 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4418 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4420 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4421 REG_EQUAL note explaining the calculated value.
4423 * calls.c (expand_call): Avoid unnecesary precalculation
4424 and outgoing parameters space guarding for sibling calls.
4425 (store_one_arg): Likewise.
4427 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4429 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4430 (rest_of_compilation): Write sibling dump file and account
4431 for time as jump time.
4432 * invoke.texi: Update documentation on dump flags.
4434 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4436 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4438 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4440 * cpphash.c (special_symbol): Represent an empty macro with
4441 "\r \r " not just "\r ".
4442 (_cpp_macroexpand): Correct condition for the foo ( ) special
4444 (unsafe_chars): Handle EOF as second argument.
4445 (push_macro_expansion): Simplify test for removing escape at
4446 end. Do not trim both escapes if there is no text in between.
4448 2000-04-19 Jim Blandy <jimb@redhat.com>
4450 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4451 of PTR_SIZE, when appropriate.
4453 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4455 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4456 (USE_ENUM_BITFIELDS): Fix typo.
4458 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4460 * stor-layout.c (place_field): Set rli->offset_align properly.
4462 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4464 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4465 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4466 PARM_BOUNDARY): Remove unnecessary casts.
4468 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4470 * calls.c (precompute_arguments): Remove must_preallocate and
4472 (expand_call): Update call of precompute_arguments.
4474 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4475 check_insn_for_givs): Break out from ...
4476 (strength_reduce) ... here; use for_every_insn_in_loop to call
4477 check_insn_for_givs.
4478 * loop.h (for_every_insn_in_loop): Declare.
4479 (loop_insn_callback): New type.
4481 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4483 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4486 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4488 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4491 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4493 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4495 * configure.in: Delete --disable-cpplib option and all
4496 references to cpp_main.
4497 * configure: Regenerate.
4498 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4499 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4500 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4501 cpp$(exeext). Add --no-headers to makeinfo command line when
4502 generating INSTALL. Install and uninstall cpp.1 manpage, not
4504 * install.texi: Delete all references to cexp.y/cexp.c.
4505 Delete ancient instructions for compiling GCC on 3b1.
4506 * INSTALL: Regenerate.
4508 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4509 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4510 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4512 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4513 which is no longer tested anywhere.
4515 * cppinit.c (handle_option): Don't run error message through
4518 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4520 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4521 * cpperror.c (hashtab.h): Now include.
4522 * cppexp.c (hashtab.h): Likewise.
4523 * cpplex.c (hashtab.h): Likewise.
4524 * cppfiles.c (hashtab.h): Likewise.
4525 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4526 to htab_find_slot_with_hash.
4527 * cpphash.c (hashtab.h): Now include.
4528 (_cpp_lookup_slot): INSERT is now enum insert_option.
4529 * cpphash.h (_cpp_lookup_slot): Likewise.
4530 * cppinit.c (hashtab.h): Include earlier.
4531 (initialize_builtins): Pass enum to htab_find_slot.
4532 * cpplib.c (hashtab.h): Now include.
4533 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4534 (do_pragma_poison, do_assert): Likewise.
4535 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4536 htab_find_slot_with_hash.
4537 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4538 * tree.c (type_hash_add): Likewise.
4539 (build1): Minor cleanup.
4541 * ggc-common.c: Add missing blanks.
4542 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4543 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4545 * stmt.c (mark_case_node): New function.
4546 (mark_case_nesting): Call it.
4548 * expmed.c (emit_store_flag): If comparing two-word integer
4549 with zero, can optimize NE, EQ, GE, and LT.
4551 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4552 * conflict.c: Minor cleanups.
4553 * optabs.c: Add blank line
4554 * simplify-rtx.c: Minor cleanups.
4556 2000-04-18 Stan Cox <scox@cygnus.com>
4558 * gengenrtl.c (genlegend): Fix misspelling.
4560 2000-04-18 Robert Lipe <robertlipe@usa.net>
4562 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4563 bitfields of the host compiler are not signed quantities.
4564 * config.in: Regenerate.
4565 * configure: Regenerate.
4566 * system.h (USE_ENUM_BITFIELDS): Added.
4567 (ENUM_BITFIELDS): Added.
4568 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4569 (SHORT_ENUM_BUG): Deleted.
4570 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4572 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4573 (CODE_FIELD_BUG): Likewise.
4574 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4576 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4578 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4580 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4583 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4585 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4586 * cpplib.c (do_include, do_import, do_include_next,
4587 read_line_number, detect_if_not_defined): Likewise.
4588 * cpphash.c (collect_expansion): Likewise.
4589 (special_symbol, _cpp_macroexpand): Check return from
4591 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4592 macros. Delete all uses.
4594 * gcc.dg/cpp-mi.c: Add two more test cases.
4595 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4597 2000-04-17 Richard Henderson <rth@cygnus.com>
4599 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4600 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4602 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4604 * function.c (expand_function_start): Use hard_function_value to
4605 compute the RTL to use for DECL_RESULT.
4607 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4609 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4610 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4611 x86_memory_mismatch_stall): New global variables.
4612 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4613 alloved; fix load penalties for Athlon.
4614 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4615 x86_memory_mismatch_stall): Declare.
4616 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4617 TARGET_MEMORY_MISMATCH_STALL): New.
4618 * i386.md (athlon scheduling parameters): Fix latencies according to
4619 Athlon Optimization Manual.
4620 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4622 (fsqrt instruction patterns): Set athlon_decode to direct.
4623 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4624 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4625 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4626 and TARGET_PARTIAL_REGISTER_STALL machines.
4627 (pushdf_nointeger): New pattern.
4628 (pushdf_integer): Rename from pushdf.
4629 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4630 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4632 2000-04-17 Richard Henderson <rth@cygnus.com>
4634 * loop.c (canonicalize_condition): Add WANT_REG argument.
4635 Stop the search if we match it.
4636 * expr.h (canonicalize_condition): Update decl.
4637 * predict.c (expected_value_to_br_prob): Use it. Track last
4638 expected value note.
4639 (find_expected_value): Remove.
4641 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4643 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4645 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4646 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4648 * configure.in: Call AC_FUNC_MMAP_FILE.
4649 * configure: Regenerate.
4650 * config.in: Regenerate.
4652 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4653 * fixinc/fixincl.c: Likewise.
4655 2000-04-17 Richard Henderson <rth@cygnus.com>
4657 * builtins.c (expand_builtin_expect): New.
4658 (expand_builtin): Call it.
4659 * builtins.def (BUILT_IN_EXPECT): New.
4660 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4661 * extend.texi: Document it.
4663 * predict.c (expected_value_to_br_prob): New.
4664 (find_expected_value): New.
4665 * basic-block.h (expected_value_to_br_prob): Declare.
4666 * toplev.c (rest_of_compilation): Invoke it.
4668 * rtl.h (NOTE_EXPECTED_VALUE): New.
4669 (NOTE_INSN_EXPECTED_VALUE): New.
4670 * rtl.c (note_insn_name): Update.
4671 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4672 cases; handle NOTE_INSN_EXPECTED_VALUE.
4674 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4676 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4677 leaf sibcall delay slot if flag_pic.
4678 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4680 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4682 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4684 * fixproto: If fix-header fails, exit with an error.
4686 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4688 * cse.c (struct check_depdendence_data): New.
4689 (check_dependence): New function.
4690 (invalidate): Use check_depdenence.
4692 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4694 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4695 UNITS_PER_WORD is unsigned.
4697 * tree.h (struct tree_common): Remove misleading comment.
4699 2000-04-16 Dave Pitts <dpitts@cozx.com>
4701 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4702 message in quotes. Otherwise, IBM's make program treats the '#' as the
4703 start of a comment and ignores the remainder of the line.
4705 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4707 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4708 * cexp.y (initialize_random_junk): Likewise.
4709 * cppfiles.c (find_include_file): Cast alloca return value.
4710 * cppinit.c (initialize_standard_includes): Likewise.
4711 * cpplib.c (cpp_define, cpp_undef): Likewise.
4712 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4713 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4714 * fold-const.c (CHARMASK): New.
4715 (real_hex_to_f): Use it.
4716 * real.c (CHARMASK): New.
4717 (etoasc, asctoeg): Use it.
4718 (asctoeg): EBCDIC lower case characters preceed upper case.
4720 * i370.c (mvs_add_label): Change spacing for coding conventions.
4721 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4722 outputing case vectors.
4723 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4724 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4725 since vector in in the data CSECT.
4726 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4727 * i370.md (Many patterns): Put the length in the XL directives.
4728 (movdi): Put back STM and MVC in definition.
4729 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4730 pattern using the TCA.
4731 * oe.h (CPP_SPEC): Added to allow trigraphs.
4732 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4733 not support the "long long" type.
4735 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4737 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4739 (mips_reg_mode_ok_for_base_p): Likewise.
4740 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4741 (REG_OK_FOR_INDEX_P): Define unconditionally.
4742 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4743 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4744 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4745 that GET_MODE_SIZE is unsigned.
4746 (mips_reg_mode_ok_for_base_p): Define.
4747 (mips_legitimate_address_p): Likewise. Adjust now
4748 that GET_MODE_SIZE is unsigned.
4749 (block_move_loop): Make the number of bytes unsigned.
4750 (expand_block_move): Likewise.
4751 (function_arg): Make the loop counter unsigned to match the
4754 2000-04-16 Richard Henderson <rth@cygnus.com>
4756 * rtl.h (enum insn_note): New enumeration. Subsume
4757 NOTE_INSN_DELETED and friends.
4758 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4759 * rtl.c (note_insn_name): Tweak string order.
4761 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4763 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4766 * cpplex.c (output_line_command): Remove debugging prints.
4767 (cpp_output_tokens): Don't write out a zero-length buffer or
4768 try to see if it has a newline in it.
4769 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4770 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4771 the end of the loop. Use memmove. Don't read past the end of
4772 the buffer. Remove trailing newlines from error messages.
4774 2004-04-16 Neil Booth <NeilB@earthling.net>
4776 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4777 * cpplib.c: Add new syntax flags to directive table, and
4780 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4782 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4785 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4787 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4788 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4790 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4792 * Makefile.in (ggc-page.o): Now includes toplev.h.
4793 * ggc-page.c (toplev.h): Now included.
4794 (gc_time): Remove declaration.
4795 (ggc_collect): TIME now long.
4796 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4798 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4800 * toplev.c: Make *_time variable long to reduce chance of overflow.
4801 (TIMEVAR): Likewise for `otime'.
4802 (print_time): Arg is now long; compute percentage in FP and round.
4803 * toplev.h (print_time): Arg is long.
4805 * tree.c: Minor whitespace changes.
4807 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4808 * configure: Rebuilt.
4809 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4810 (__fixunsxfDI): Renamed from __fixunsxfdi.
4811 (__fixunsdfDI): Renamed from __fixunsdfdi.
4812 (__fixunssfDI): Renamed from __fixunssfdi.
4813 (__floatdisf): Use proper type in REP_BIT macro.
4814 (__fixunsxfSI): Renamed from __fixunsxfsi.
4815 (__fixunsdfSI): Renamed from __fixunsdfsi.
4816 (__fixunssfSI): Renamed from __fixunssfsi.
4817 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4818 Change location of macros and upper-case some names as above.
4819 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4820 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4822 * varasm.c (assemble_variable): Add cast to remove warning.
4823 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4825 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4826 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4827 region number to -1.
4829 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4831 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4832 call unshare_all_rtl.
4834 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4836 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4838 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4839 Use .s1 not .s0 for all FP instructions.
4841 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4843 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4845 (safe_fwrite, output_line_command): New static functions.
4846 (cpp_expand_to_buffer): Now private to cpplib.
4847 (cpp_scan_buffer): Take a printer.
4849 * cpphash.h: Update prototypes.
4850 * cpplib.h: Update prototypes.
4852 (cpp_buffer): Remove last_nominal_fname.
4853 (cpp_reader): Remove lineno.
4855 * cppmain.c: Use a cpp_printer.
4856 * fix-header.c: No need to inhibit line commands. Call
4857 cpp_start_read with no printer.
4859 * cpperror.c (cpp_notice_from_errno): Provide default name.
4860 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4861 (find_include_file, cpp_read_file): Use make_IHASH.
4862 (file_cleanup): Set control_macro and clear
4863 input_stack_listing_current here.
4864 (_cpp_execute_include): Don't output entering-file marker.
4865 * cpphash.c (special_symbol): Look for the line number in the
4866 buffer, not the reader.
4867 (_cpp_macroexpand): No need to disable line commands.
4868 (_cpp_dump_definition): No need to generate line commands.
4869 (dump_hash_helper): Remove excess newline from output.
4870 * cppinit.c (dump_special_to_buffer): No need to generate line
4872 (cpp_printer_init): New.
4873 (cpp_start_read): Take a printer, and start it up if it's not
4874 NULL. No need to generate line commands.
4875 (cpp_finish): Expect no buffers stacked at all. Take a
4876 printer argument, and flush the output buffer if it's not
4878 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4879 Don't put two hashes at the beginning of an assertion.
4880 (cpp_get_token): Don't increment pfile->lineno or emit line
4881 commands here. Return EOF if there's no buffer when we get
4883 * cpplib.c (do_define, skip_if_group):
4884 No need to disable line commands.
4885 (_cpp_output_line_command): Delete function.
4886 (do_line): Don't emit line commands here, but set things up so
4887 they will be emitted if necessary. Use _cpp_fake_ihash to
4888 make unique nominal_fnames if necessary.
4889 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4890 with 0 for column, not -1.
4891 (_cpp_handle_eof): Don't set the control macro here. Don't
4892 clear input_stack_listing_current here. Don't emit line
4895 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4897 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4898 always, use the default SVR4 start address.
4900 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4901 (LINK_SHLIB_SPEC): Define.
4902 (LINK_START_DEFAULT_SPEC): Define.
4903 (LINK_OS_DEFAULT_SPEC): Define.
4905 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4907 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4908 __do_global_ctors to handle constructors.
4909 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4910 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4911 (STARTFILE_MVME_SPEC): Likewise.
4912 (STARTFILE_SIM_SPEC): Likewise.
4913 (ENDFILE_ADS_SPEC): Use crtend.
4914 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4915 (ENDFILE_MVME_SPEC): Likewise.
4916 (ENDFILE_SIM_SPEC): Likewise.
4917 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4918 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4919 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4920 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4921 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4922 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4923 (CRTSTUFF_T_CFLAGS_S): Define.
4924 * config/rs6000/eabi-ctors.c: Delete.
4926 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4929 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4933 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4935 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4936 plus mask size is smaller or equal to the mode size.
4938 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4940 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4943 * expr.c (reload.h): Now included.
4944 (emit_block_move): Set volatile_ok when checking for movstr.
4945 (emit_move_1): Check for replacements in addresses in multi-word case.
4946 * Makefile.in (expr.o): Now includes reload.h.
4948 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4949 Never have a LIBCALL end a basic block.
4950 (find_basic_blocks_1): Likewise.
4951 Reorganize CALL_INSN cases.
4953 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4955 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4957 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4958 completers from mov.ret instruction.
4960 2000-04-14 Richard Henderson <rth@cygnus.com>
4962 * fold-const.c (extract_muldiv): Don't distribute and widen
4963 multiply across plus for non-sizetype unsigned types.
4965 2000-04-14 Richard Henderson <rth@cygnus.com>
4967 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4968 If the original source is dead in the incr insn, it's dead now.
4970 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4972 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4973 see if DECL_BIT_FIELD needs to still be set.
4975 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4977 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4978 print_int_cst_octal with something that's not an INTEGER_CST.
4980 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4981 and not a SUBREG to a FLOAT rtl.
4983 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4985 * emit-rtl.c (try_split): Avoid infinite loop if the split
4986 results in a sequence that contains the original insn.
4988 2000-04-13 Andreas Jaeger <aj@suse.de>
4990 * config/mips/mips.c (expand_block_move): Pass alignment
4991 argument to move_by_pieces in bits, not bytes.
4993 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4994 __pic__ for little endian.
4996 2000-04-13 Andreas Jaeger <aj@suse.de>
4998 * config/i386/i386-protos.h: Add prototype for
4999 uno_comparison_operator.
5001 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5003 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5004 * calls.c (ECF_PURE): New flag.
5005 (emit_call_1): Handle ECF_PURE calls.
5006 (initialize_argument_information): Unset ECF_PURE flag too.
5007 (precompute_arguments): Precompute for ECF_PURE too.
5008 (expand_call): Handle ECF_PURE calls too.
5009 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5010 accept value of 2 as pure function.
5011 (emit_library_call_value, emit_library_call): Rename no_queue argument
5013 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5015 * tree.h (DECL_IS_PURE): New macro.
5016 (struct tree_decl): Add pure_flag.
5017 * c-common.c (enum attrs): Add attribute "pure".
5018 (init_attributes): Initialize attribute "pure"
5019 (decl_attributes): Handle attribute "pure".
5020 * extend.texi (Attribute "pure"): Document.
5021 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5023 (flags_from_decl_or_type): Support attribute "pure".
5025 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5027 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5028 the token except for numbers and identifiers.
5030 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5032 * i386.c (ix86_expand_binary_operator,
5033 ix86_expand_unary_operator): Check no_new_pseudos
5034 instead of reload_in_progress and reload_completed.
5035 (ix86_split_ashldi, ix86_split_ashrdi,
5036 ix86_split_lshrdi): Check no_new_pseudos instead
5037 of reload_completed.
5039 2000-04-12 Jeffrey A Law (law@cygnus.com)
5041 * function.c (purge_addressof): Unshare any shared rtl created by
5042 purge_addressof and its children.
5044 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5046 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5049 2000-04-05 Andreas Jaeger <aj@suse.de>
5051 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5052 not compiling PIC code, add flags for mabi=64.
5053 (SUBTARGET_CPP_SIZE_SPEC): New.
5054 (SUBTARGET_CPP_SPEC): New.
5055 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5056 for MIPS/Linux and lots of code needs these defines.
5058 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5060 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5061 trying the "opposite arithmetic" approach.
5063 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5065 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5066 (struct sh_args): Add new field force_mem.
5067 (INIT_CUMULATIVE_ARGS): Initialize it.
5068 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5070 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5072 * calls.c (expand_call): Do not reverse args in "equal from" field.
5073 (emit_library_call_value_1): Emit_libcall_block for const and pure
5076 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5078 * reload1.c (reload_combine): Don't enable optimization for fixed
5079 registers when encountering a BARRIER.
5081 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5083 * builtins.c (expand_builtin_memcmp): Do expansion even with
5084 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5086 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5087 stack is propertly aligned; add sanity checking for aligned
5089 (expand_library_call_value_1): Add sanity checking for aligned
5092 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5094 * calls.c (emit_library_call_value_1): Change 3rd arg to
5095 locate_and_pad_parm to disregard the setting of partial.
5097 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5099 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5101 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5102 CALL_INSN from the normal case.
5104 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5106 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5107 New global variables.
5108 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5110 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5112 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5113 TARGET_ADD_ESP_8): New macros.
5114 * i386.md: Add peep2s to convert esp adjustments to push and pop
5116 (pushsi_prologue, popsi_epilogue): New patterns.
5118 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5120 * real.c (toe64): Remove stale #endif from the last change.
5122 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5124 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5125 * real.c (toe64): Revert previous change.
5127 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5129 * objc/objc-act.c: Include ggc.h.
5130 (objc_tree_index, objc_global_trees): Convert most of the
5131 static tree variables into a static array with previous names
5133 (objc_ellipsis_node): New variable.
5134 (lang_init): Call objc_act_parse_init and c_parse_init.
5135 Create objc_ellipsis_node.
5136 (build_selector_translation_table): Use objc_ellipsis_node instead
5138 (hack_method_prototype): Likewise.
5139 (get_arg_type_list): Likewise.
5140 (start_method_def): Likewise.
5141 (continue_method_def): Likewise.
5142 (gen_method_decl): Likewise.
5143 (ggc_mark_imp_list): New function.
5144 (ggc_mark_hash_table): New function.
5145 (objc_act_parse_init): New function.
5146 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5147 * c-parse.in (c_parse_init): For objc add roots of objc specific
5148 local tree variables.
5149 * objc/objc-parse.y: Rebuilt.
5150 * objc/objc-parse.c: Rebuilt.
5151 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5153 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5155 * cse.c (delete_trivially_dead_insns): Also delete insns
5156 that copy a register to itself where the destination is
5159 2000-04-11 Richard Henderson <rth@cygnus.com>
5161 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5162 (propagate_block): Initialize them. Use them in parallel instead
5163 of one tmp variable, ie revert much of the 0408 and 0407 functional
5164 changes, but keep the structural changes.
5165 (mark_set_regs): Take new_dead from propagate_block_info instead.
5166 (mark_set_1, mark_set_reg): Likewise.
5167 (mark_used_regs): Likewise with new_live.
5168 (mark_used_reg): Likewise. Revert 0408 change.
5170 2000-04-11 Nick Clifton <nickc@cygnus.com>
5172 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5174 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5176 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5178 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5179 const section to output a CONSTRUCTOR based on the same conditions
5182 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5184 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5185 * pa/pa-protos.h (output_call): Add additional argument indicating
5186 if the call is a sibling/tail call.
5187 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5188 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5189 (function_arg, function_arg_partial_nregs): Likewise
5190 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5191 (emit_move_sequence): Zero extend certain constants as needed
5193 (compute_zdepdi_operands, output_64bit_and): New functions.
5194 (output_64bit_ior, function_arg): Likewise.
5195 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5196 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5197 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5198 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5199 (output_bvb): Likewise.
5200 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5201 (output_call): New argument 'sibcall'. Generate sibcall sequences
5203 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5204 (ouput_arg_descriptor): Do not emit argument descriptors for
5206 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5208 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5209 (FUNCTION_OK_FOR_SIBALL): Define.
5210 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5211 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5212 (CPP_SPEC): Use new spec infrastructure.
5213 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5214 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5215 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5216 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5217 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5218 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5219 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5220 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5221 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5222 (FUNCTION_ARG); Call out to C code.
5223 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5224 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5225 (MIN_UNITS_PER_WORD): Likewise.
5226 * pa/pa.md (cmpdi): New expander.
5227 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5228 (64bit conditional arithmetic): New patterns.
5229 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5230 (movsicc): Not available if modes on all the operands to not match.
5231 (movdicc): New expander and associated patterns.
5232 (64bit branches): New patterns.
5233 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5234 (pre_ldd, post_std): New patterns.
5235 (64bit addil, load low part): New patterns.
5236 (special movsf constant): Not available for TARGET_64BIT.
5237 (movsf, movdf expanders): Force constants into memory.
5238 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5239 (64bit movdf/movdi patterns): New patterns.
5240 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5242 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5243 (adddi3 expander): Allow "arith_operand" for second input.
5244 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5245 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5246 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5247 (muldi3): New expander for TARGET_64BIT.
5248 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5250 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5251 patterns for TARGET_64BIT.
5252 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5253 patterns for TARGET_64BIT.
5254 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5255 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5256 (sibcall_epilogue): New expander.
5257 (casesi): Tweak for TARGET_64BIT.
5258 (call expanders): Set & use the outgoing argument pointer. Use the
5259 64bit call patterns as needed. Add additional arg to output_call.
5260 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5261 (sibcall, sibcall_internal_symref): New expanders.
5262 (sibcall_value, sibcall_value_internal_symref
5263 (interspace_jump): Turn into an expander + matching patterns.
5264 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5265 * pa/pa64-regs.h: Eliminate trigraph sequences.
5266 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5268 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5270 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5271 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5272 cpp_token with cpp_ttype everywhere.
5273 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5274 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5275 CPP_BUF_COL. Line and column numbers are unsigned int, not
5277 * cpplex.c (cpp_buf_line_and_col): Delete.
5278 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5279 'long lineno' to 'unsigned int lineno'.
5280 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5282 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5284 * extend.texi: ISO C99 is not a draft anymore.
5285 * invoke.texi: ISO C++ is not a draft anymore.
5286 * cpp.texi: __cplusplus is required by the ISO standard.
5288 * extend.texi (-fthis-is-variable): Undocument.
5289 * flags.h (warn_template_debugging): Remove declaration.
5290 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5291 -Wenum-clash, -Wtemplate-debugging): Undocument.
5293 2000-04-10 Nick Clifton <nickc@cygnus.com>
5295 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5297 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5299 (ARM_SIGN_EXTEND): Use HOST_UINT.
5300 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5301 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5302 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5303 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5305 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5306 (arm_gen_constant): Use HOST_UINT.
5307 (arm_canonicalize_constant): Use HOST_UINT.
5308 (arm_reload_in_hi): Use HOST_UINT.
5309 (arm_reload_out_hi): Use HOST_UINT.
5310 (output_multi_immediate): Use HOST_UINT.
5311 (int_log2): Use HOST_UINT.
5312 (arm_poke_function_name): Use HOST_UINT.
5313 (arm_output_epilogue): Use arm_volatile_func().
5314 (output_thumb_prologue): Use arm_strip_name_encoding().
5316 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5318 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5319 of sequence point problems.
5321 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5323 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5325 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5327 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5329 * sbitmap.h: Whitespace changes and use upper-case macro args.
5330 (struct simple_bitmap_def): All sizes now unsigned.
5331 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5332 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5333 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5334 (sbitmap_zero): Cast bzero arg to PTR.
5335 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5336 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5337 loop to make structure clearer.
5338 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5339 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5340 (sbitmap_a_and_b_or_c): Likewise.
5341 (sbitmap_intersection_of_succs): Minor cleanups.
5342 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5343 (sbitmap_union_of_preds): Likewise.
5344 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5345 (debug_sbitmap): New function.
5347 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5348 * c-typeck.c (convert_for_assignment): Likewise.
5350 * expmed.c (init_expmed): Don't free objects we make.
5351 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5353 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5354 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5356 * gcse.c (expr_hash_table_size): Now unsigned.
5357 (compute_ae_gen): Local variable `i' now unsigned.
5358 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5359 (compute_transout, hoist_code): Likewise.
5360 (compute_local_properties): Likewise, also hash_table_size.
5361 (alloc_expr_hash_table): N_INSNS now unsigned.
5362 (delete_null_pointer_checks): Mark arg F as unused.
5364 * regrename.c: Minor cleanups, including chang some variables
5367 2000-04-10 Neil Booth <NeilB@earthling.net>
5369 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5371 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5373 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5375 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5376 __classof__, and __headof__ from the list of gnu keywords.
5377 (-ansi): Remove -foperator-names from list of implied options.
5378 Do not call it ANSI C++.
5379 (-foperator-names): Document as -fno-operator-names.
5381 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5383 * cpphash.c (timestamp): Delete.
5384 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5385 (special_symbol): Remove unnecessary braces. Remove
5386 T_VERSION. Treat T_STDC like T_CONST unless
5387 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5388 when one is encountered, then convert them into T_MCONST
5390 * cppinit.c (builtin_array): version_string is T_MCONST.
5391 __STDC__ has a "1" in its cpval. Don't have a terminator
5392 entry. Clean up which entries are dumped.
5393 (initialize_builtins): Only __STDC__ gets the special
5394 -traditional treatment. Count the length of builtin_array.
5395 Render version_string here.
5396 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5397 * cpplib.h (struct cpp_reader): Remove timebuf.
5399 2000-04-09 Richard Henderson <rth@cygnus.com>
5401 * genrecog.c (pred): Update comparison_operator for the unordered
5404 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5406 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5407 (uno_comparison_operator): New.
5408 (put_condition_code): Handle UNORDERED/ORDERED.
5409 (unsigned_comparison): Likewise.
5410 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5411 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5412 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5413 update all callers. Handle all 8 unordered operators.
5414 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5415 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5416 * config/i386/i386.h (PREDICATE_CODES): Update.
5417 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5418 (ix86_expand_branch, ix86_expand_setcc): Update.
5419 * config/i386/i386.md (sunordered, sordered): New.
5420 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5421 (bunordered, bordered): New.
5422 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5423 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5424 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5426 2000-04-09 Philip Blundell <philb@gnu.org>
5428 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5430 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5432 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5433 fix_truncxfhi2): New patterns.
5434 * i386.c (output_fix_trunc): Handle converting to HImode.
5436 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5438 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5440 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5441 (for_each_successor_phi): Change parameter to basic_block.
5442 (coalesce_regs_in_successor_phi_nodes): Likewise.
5443 (coalesce_regs_in_copies): Likewise.
5444 (compute_coalesced_reg_partition): Use basic_block instead of index.
5445 * rtl.h (convert_to_ssa): Delete.
5446 (convert_from_ssa): Likewise.
5447 (successor_phi_fn): Likewise.
5448 (for_each_successor_phi): Likewise.
5449 (in_ssa_form): Likewise.
5450 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5451 (convert_from_ssa): Likewise.
5452 (successor_phi_fn): Likewise.
5453 (in_ssa_form): Likewise.
5454 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5455 * flow.c (calculate_global_regs_live): Pass a basic_block to
5456 for_each_successor_phi.
5458 2000-04-08 Richard Henderson <rth@cygnus.com>
5460 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5461 was modified in the current insn.
5463 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5465 * arm/thumb.md: Delete.
5466 * arm/thumb-protos.h: Delete.
5468 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5470 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5472 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5474 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5477 * arm.md (nop): Use the standard RTL expression. Don't code as a
5479 (*arm_nop, *thumb_nop): Delete.
5481 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5482 constants. Use casts instead.
5483 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5484 output_multi_immediate, arm_poke_function_name): Likewise.
5485 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5486 MASK_RETURN_ADDDR): Likewise.
5488 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5490 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5493 * arm.md (eh_epilogue): New function.
5494 * arm.h (struct machine_function): Move to here ...
5495 * arm.c: ... from here.
5496 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5497 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5498 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5500 2000-03-30 Nick Clifton <nickc@cygnus.com>
5502 * config/arm/semi.h (ASM_SPEC): Restore definition.
5503 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5505 * config/arm/elf.h (ASM_SPEC): Restore definition.
5506 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5508 * config/arm/arm.h (ASM_SPEC): Remove definition.
5509 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5511 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5513 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5515 2000-03-24 Nick Clifton <nickc@cygnus.com>
5517 Various formating tidyups, elimination of compile time
5518 warnings and synchronisation with internal sources:
5520 * config/arm/arm-protos.h (assemble_align): Add prototype.
5521 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5522 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5523 (arm_return_addr_rtx): Rename to arm_return_addr.
5525 * config/arm/arm.c: Include except.h.
5526 Define shorter typenames for strict minipool_node and struct
5528 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5530 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5531 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5533 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5535 (ASM_SPEC): Define if not already defined.
5536 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5538 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5539 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5540 arm_gen_compare_reg.
5541 (indirect_jump): Only accept register operands.
5542 (load_indirect_jump): Keep this pattern since combine can generate
5545 * config/arm/coff.h: Include aout.h.
5546 (MULTILIB_DEFAULTS): Only define if not already defined.
5548 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5549 into arm.h (so that COFF ports can support thumb based aliases).
5550 (ASM_SPEC): Move definition into arm.h
5552 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5553 redundant apcs spec.
5554 (ASM_SPEC): Move definition to arm.h
5556 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5558 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5559 for entries in the .bss section
5561 2000-03-23 Nick Clifton <nickc@cygnus.com>
5563 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5564 to thumb_far_jump_used_p.
5566 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5567 single integer parameter.
5569 * config/arm/arm.c (struct machine_function): Add two new
5570 fields, 'far_jump_used' and 'arg_pointer_live'.
5571 (thumb_far_jump_used_p): Once the decision has been made that
5572 far jumps might be used, always return true.
5573 If being called from the initial elimination offset macro then
5574 do not bother to perform the test if the arg pointer is not
5576 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5577 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5579 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5581 * arm.c (output_return_instruction): Handle more cases where we can
5582 return from a function with an ldr instruction.
5583 (arm_output_epilogue): Likewise.
5585 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5586 if we need to push a large stack frame and there are no callee-saved
5589 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5590 in ARM code if the frame pointer has been eliminated.
5592 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5593 unspec_volatile arguments to avoid duplicates.
5594 (consttable_1, consttable_2): Fixes for big-endian mode.
5596 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5599 Re-write constant pool code.
5600 * arm.c (minipool_node, minipool_fix): New types.
5601 (minifix): Delete type.
5602 (arm_add_minipool_constant): Delete.
5603 (arm_compute_minipool_offsets, arm_find_barrier,
5604 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5605 (get_jump_table_size): Now returns HOST_WIDE_INT.
5606 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5608 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5609 (assign_minipool_offsets, arm_print_value): Likewise.
5610 (dump_minipool): Rewrite.
5611 (arm_barrier_cost): New function.
5612 (create_fix_barrier): New function.
5613 (push_minipool_barrier): New function.
5614 (push_minipool_fix): Record additional information about the fixup
5616 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5617 check the mode of what needs fixing.
5618 (arm_reorg): Rewrite.
5620 2000-03-08 Nick Clifton <nickc@cygnus.com>
5622 * config/arm/arm.md (indirect_jump): Force constant addresses into
5625 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5627 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5629 2000-02-24 Nick Clifton <nickc@cygnus.com>
5631 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5632 adjust is word aligned.
5633 (thumb_expand_epilogue): Make sure that stack adjust is word
5636 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5638 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5640 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5641 pointer relative addresses.
5643 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5645 * arm.c (find_barrier): Find the last barrier within the allowed
5648 2000-02-09 Nick Clifton <nickc@cygnus.com>
5650 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5652 2000-02-09 Nick Clifton <nickc@cygnus.com>
5654 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5655 ARM_FUNCTION_PROFILER.
5657 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5658 ARM_FUNCTION_PROFILER.
5660 * config/arm/linux-oldld.h: Imported from mainline sources.
5662 2000-02-07 Nick Clifton <nickc@cygnus.com>
5664 * config/arm/lib1funcs.asm: Merge in thumb functions from
5667 * config/arm/lib1thumb.asm: Delete.
5669 2000-02-04 Nick Clifton <nickc@cygnus.com>
5671 * config/arm/arm.c: Sychronised with current Red hat local
5673 * config/arm/arm.h: Ditto.
5674 * config/arm/arm-protos.h: Ditto.
5676 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5678 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5680 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5683 2000-02-02 Nick Clifton <nickc@cygnus.com>
5685 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5687 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5688 (return) was emited using an emit_insn() call.
5690 2000-01-31 Nick Clifton <nickc@cygnus.com>
5692 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5694 (thumb_exit): Move frame pointer back into hard frame pointer
5695 register if backtracing is being used.
5697 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5699 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5702 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5704 * config/arm/arm.md (neg_pool_offset): Provide default for new
5706 (arm_movsi_insn): Add neg_pool_offset attribute.
5707 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5708 rtx for the insn that starts the scan and an unsigned long for its
5709 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5710 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5711 instructions in *PINSERTED.
5712 (struct minipool_fixup): Add MIN_ADDRESS elt.
5713 (sort_fixups): Compute it.
5714 (arm_reorg): Changes to support inserting pools before the insn to be
5717 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5719 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5720 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5721 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5723 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5725 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5727 (TARGET_DEFAULT): Do not define if already defined.
5729 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5731 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5732 (iordi3): Allow disjoint source operands.
5733 (xordi3): Allow disjoint source operands.
5734 (negdi2): Permit construction for ARM and Thumb.
5735 (arm_negdi2): Renamed version of old negdi2 pattern.
5736 (thumb_negdi2): New pattern: Only permit non-overlapping
5737 source and destination.
5739 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5741 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5742 scratch low register so that it will not be deleted.
5744 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5746 * config/arm/pe.h (ARM_PE): Define.
5748 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5749 interfacearm attribute if this is a PE toolchain.
5750 (output_return_instruction): Do not emit anything if the function
5751 has the naked attribute set.
5752 (is_called_in_ARM_mode): If the function has the interfacearm
5753 attribute then return true.
5754 (thumb_expand_prologue): Do not generate a prologue for naked
5756 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5758 (output_thumb_prologue): Do not bother if the function is naked.
5759 Strip PE encoding from function name before emitting.
5761 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5763 * arm.md (pic_load_addr): Fix constraints.
5765 * arm.md (casesi_insn): Fix mis-applied patch.
5767 * arm.md ("core" function unit): Add rules for single- and
5769 (All TARGET_THUMB patterns): Add "type" attribute information
5771 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5772 the following insn is a CALL.
5774 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5776 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5777 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5778 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5780 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5782 * config/arm/linux-gas.h: oops - this file was missed out when the
5783 branch was created...
5785 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5787 * thumb.c: Deleted. Move contents to ...
5789 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5791 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5794 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5795 declare a prototype for asm_output_align();
5797 * arm.c (thumb_condition_code): Delete.
5798 (arm_print_operand): Always use arm_condition_code array.
5800 * arm.c (thumb_return_addr_rtx): Delete.
5801 (arm_save_machine_status, arm_restore_machine_status): Delete.
5802 (arm_init_machine_status, arm_mark_machine_status): New functions.
5803 (arm_init_expanders): Update accordingly.
5804 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5805 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5806 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5808 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5810 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5812 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5815 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5817 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5818 stack backtrace structure.
5820 * config/arm/arm-protos.h: Add prototypes for functions defined in
5823 * config/arm/arm.c (arm_override_options): Fix selection of
5824 attributes of default processor.
5826 * config/arm/coff.h: Delete needless #include.
5828 * config/arm/pe.c: Delete unused code.
5830 * config/arm/pe.h (CPP_DEFINES): Delete
5831 (SUBTARGET_CPP_SPEC): Define.
5832 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5834 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5836 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5838 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5840 (CAN_DEBUG_WITHOUT_FP): Define.
5841 (FIXED_REGISTERS): Make r11 call-saved.
5842 (CALL_USED_REGISTERS): Likewise.
5843 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5844 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5845 frame-pointer is required.
5846 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5847 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5848 if the target normally needs a stack frame in non-leaf functions.
5849 (use_return_insn): Correct logic for determining when a return
5850 instruction can be used.
5851 (output_return_instruction): Handle the frame-pointer register as
5852 a normal register when not TARGET_APCS_FRAME.
5853 (arm_output_prologue): Likewise.
5854 (arm_output_epilogue): Likewise.
5855 (output_func_epilogue): Likewise.
5856 (arm_expand_prologue): Likewise.
5857 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5859 * arm.c (use_return_insn): No need to check floating point regs if
5861 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5862 the code of value stored in the minipool array.
5863 (arm_add_minipool_constant): Likewise.
5865 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5867 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5869 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5871 * tree.c (tree_expr_nonnegative_p): New function.
5873 * tree.h (tree_expr_nonnegative_p): Declare.
5875 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5876 elide some sign_compare warnings.
5877 (build_conditional_expr): Likewise.
5879 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5881 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5883 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5884 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5885 operand. Abort if a 387 operand has an unsupported size.
5887 2000-04-08 Neil Booth <NeilB@earthling.net>
5889 * cppexp.c (parse_charconst): Null does not end character
5891 * cppinit.c (ISTABLE): Null character handled as whitespace.
5892 * cpplex.c (null_warning): new function.
5893 (skip_string): Emit warning if nulls encountered.
5894 (_cpp_skip_hspace): Emit warning if nulls encountered.
5895 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5899 2000-04-07 Richard Henderson <rth@cygnus.com>
5901 * flow.c (loop_depth): Remove.
5902 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5903 (struct propagate_block_info): New.
5904 (life_analysis): Don't allocate reg_next_use.
5905 (propagate_block_delete_insn): Break out of propagate_block.
5906 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5907 (propagate_block_delete_libcall): Likewise.
5908 (propagate_block): Create a propagate_block_info struct to pass
5909 to subroutines. Allocate one not two temporary regsets. Don't
5910 clobber memory for const calls. Look for clobbers in
5911 CALL_INSN_FUNCTION_USAGE.
5912 (mark_set_regs): Recognize COND_EXEC.
5913 (mark_set_reg): Break out of mark_set_1.
5914 (mark_used_reg): Break out of mark_used_regs.
5915 (mark_used_regs): Recognize COND_EXEC.
5916 (insn_dead_p): Use propagate_block_info struct.
5917 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5918 (find_auto_inc, try_pre_increment_1): Likewise.
5919 (print_rtl_with_bb): Dump regs live at end too.
5920 (count_reg_sets_1): Pass in loop_depth.
5921 (count_reg_sets, count_reg_references): Likewise.
5922 (recompute_reg_usage): Provide it.
5924 2000-04-07 Richard Henderson <rth@cygnus.com>
5926 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5929 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5931 * cpplib.c (do_elif): Skip the rest of the line if we're
5932 not going to bother evaluating it.
5933 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5934 to avoid pointless calls to the lexer.
5936 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5938 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5940 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5942 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5944 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5946 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5948 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5950 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5951 crtend so they can be multilibbed.
5952 (STAGESTUFF): Remove s-crt and s-crtS.
5954 2000-04-07 Richard Henderson <rth@cygnus.com>
5956 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5957 if we discover we need a pseudo and no_new_pseudos is true.
5958 * config/alpha/alpha.md (ne:DI insn): New.
5959 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5961 2000-04-07 Richard Henderson <rth@cygnus.com>
5963 * rtl.def (COND_EXEC): New.
5964 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5965 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5967 * genconfig.c (have_cond_arith_flag): Remove.
5968 (have_cond_exec_flag): New.
5969 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5970 (main): Print HAVE_conditional_execution.
5972 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5973 (sched_analyze_insn, print_pattern): Likewise.
5974 * reload.c (find_equiv_reg): Likewise.
5975 * rtlanal.c (reg_referenced_p): Likewise.
5976 (note_stores, dead_or_set_regno_p): Likewise.
5977 (reg_overlap_mentioned_p): Rewrite to use a switch.
5979 * ggc.h (struct rtx_def): Forward declare.
5981 * print-rtl.c (debug_rtx_range): New.
5982 * rtl.h (debug_rtx_range): Declare.
5984 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5986 * gcse.c (gcse_main): Don't rebuild the CFG here.
5987 (delete_null_pointer_checks): Likewise.
5988 * ssa.c (convert_to_ssa): Likewise.
5989 * toplev.c (rest_of_compilation): Do it here instead. Combine
5990 sequential calls to TIMEVAR. Consistently use `insns' instead of
5991 `get_insns()'. Always split insns after reload when optimizing.
5993 * basic-block.h (merge_blocks_nomove): Declare.
5994 (tidy_fallthru_edge): Declare.
5995 * flow.c (merge_blocks_nomove): Document as merging into previous
5996 blocks. Remove cruft from between blocks; remove all edges out of A.
5997 (tidy_fallthru_edge): Export.
5999 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6001 * ssa.c (compute_conservative_reg_partition): Declare with
6003 * toplev.c (clean_dump_file): Remove previously-deleted function
6004 inadvertantly merged back in.
6005 * conflict.c (conflict_graph_add): Use a single call to
6006 htab_find_slot to look up and insert.
6008 2000-04-06 Richard Henderson <rth@cygnus.com>
6010 * genrecog.c (*): Rename _last_insn to last_insn.
6011 (make_insn_sequence): Set the position of the peephole2 C test
6012 to be at the last insn.
6014 2000-04-06 Richard Henderson <rth@cygnus.com>
6016 * flow.c (compute_flow_dominators): Free worklist.
6018 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6020 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6022 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6024 * rtl.h (INSN_P): New macro.
6025 (successor_phi_fn): New typedef.
6026 (for_each_successor_phi): New prototype.
6027 (in_ssa_form): New variable.
6028 (PHI_NODE_P): Likewise.
6029 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6030 phi nodes in successors.
6031 (mark_used_regs): Add PHI case.
6032 (set_phi_alternative_reg): New function.
6033 (life_analysis): Assert that dead code elimination is not selected
6035 * toplev.c (to_ssa_time): New variable.
6036 (from_ssa_time): Likewise.
6037 (compile_file): Zero to_ssa_time and from_ssa_time.
6038 Print time to convert to and from SSA.
6039 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6040 (print_time): Compute percent fraction as integer.
6041 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6042 (convert_to_ssa): Check if we're already in SSA.
6043 Don't eliminate dead code in life_analysis.
6044 Rerun flow and life analysis at bottom.
6045 (eliminate_phi): Use canonical regnos when adding nodes.
6046 (mark_reg_in_phi): New function.
6047 (mark_phi_and_copy_regs): Likewise.
6048 (convert_from_ssa): Rerun life analysis at top.
6049 Use coalesced partition.
6050 Check for removing a phi node at the end of the block.
6051 (compute_coalesced_reg_partition): New function.
6052 (coalesce_regs_in_copies): Likewise.
6053 (coalesce_reg_in_phi): Likewise.
6054 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6055 (for_each_successor_phi): Likewise.
6056 (rename_context): New struct.
6057 (rename_block): Use a rename_context with rename_insn_1. When
6058 renaming sets of a subreg, emit a copy of the entire reg first.
6059 (rename_insn_1): Treat data as a rename_context *. Save current
6061 (rename_set_data): Add field set_insn.
6062 * Makefile.in (HASHTAB_H): Move up in file.
6063 (OBSTACK_H): New macro.
6064 (collect2.o): Use OBSTACK_H in dependencies.
6065 (sdbout.o): Likewise.
6066 (emit-rtl.o): Likewise.
6067 (simplify-rtx.o): Likewise.
6068 (fix-header.o): Likewise.
6069 (OBJS): Add conflict.o.
6070 (conflict.o): New rule.
6071 * basic-block.h: Include partition.h.
6072 (conflict_graph): New typedef.
6073 (conflict_graph_enum_fn): Likewise.
6074 (conflict_graph_new): New prototype.
6075 (conflict_graph_delete): Likewise.
6076 (conflict_graph_add): Likewise.
6077 (conflict_graph_conflict_p): Likewise.
6078 (conflict_graph_enum): Likewise.
6079 (conflict_graph_merge_regs): Likewise.
6080 (conflict_graph_print): Likewise.
6081 (conflict_graph_compute): Likewise.
6082 * conflict.c: New file.
6084 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6086 * tlink.c (read_repo_files): Don't look for .rpo info for
6089 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6091 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6093 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6095 * config/sh/lib1funcs.asm (___udivsi3_i4):
6096 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6097 only depends on FMOVD_WORKS.
6099 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6101 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6102 make double constant 8-byte aligned.
6104 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6106 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6107 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6108 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6109 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6110 Accept storing GENERAL_REGS into offsetable memory.
6111 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6112 building a TFmode constant other than 0.0L into GENERAL_REGS.
6114 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6116 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6118 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6120 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6121 (macro_cleanup): No need to cast pbuf->macro.
6122 (collect_expansion): Use _cpp_get_define_token. Goto done if
6123 it returns VSPACE. Remove check for trailing space after
6125 (_cpp_create_definition): Don't diddle flags here. Return
6127 (unsafe_chars): Handle c1 being EOF.
6128 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6129 checks. Don't push the buffer till after we're done with
6131 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6132 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6133 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6135 (_cpp_parse_assertion): Don't NUL terminate.
6136 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6137 hspace before calling _cpp_parse_assertion. Remove all sets
6138 of only_seen_white. Treat '\f' as hspace. Don't do anything
6139 special with '\n' here.
6140 (maybe_macroexpand): Handle T_EMPTY hash entries without
6141 pushing a buffer at all.
6142 (cpp_get_token): Handle clearing only_seen_white here. Handle
6143 incrementing the line number here. Clear
6144 potential_control_macro as well as only_seen_white, if
6146 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6147 (_cpp_get_define_token): New function, basically like
6148 _cpp_get_directive_token was but doesn't eat horizontal space.
6149 Don't do anything with only_seen_white here.
6150 (_cpp_get_directive_token): Just call _cpp_get_define_token
6151 repeatedly till it returns non-hspace.
6153 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6154 (conditional_skip, skip_if_group): Return int.
6155 (DIRECTIVE_TABLE): Change origin of all conditional directives
6157 (TRAD_DIRECT_P): New macro.
6158 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6159 an error for a bogus directive, unless -lang-asm. Use
6160 TRAD_DIRECT_P. Loop calling handler functions till one returns
6162 (get_macro_name): Don't diddle flags here.
6163 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6164 Create T_EMPTY nodes for #define macro /* nothing */.
6165 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6166 Use hp->name when calling pass_thru_directive.
6167 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6168 Return the result of conditional_skip and/or skip_if_group.
6169 Don't call _cpp_output_line_command.
6170 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6171 Issue -Wtraditional warnings as appropriate. Don't complain
6172 about unrecognized directives. If we are to stop skipping,
6173 return the number of the directive that ended the skip.
6174 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6175 expansion and line commands while skipping. Return the result
6176 of consider_directive_while_skipping, if nonzero.
6177 (do_endif): Just set potential_control_macro here.
6178 (validate_else): Use _cpp_get_directive_token.
6179 (do_assert, do_unassert): Don't save pointers into the
6180 token_buffer across calls to the lexer. Use
6181 _cpp_get_directive_token.
6183 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6184 pointer, not an offset. Replace 'data', which was a generic
6185 pointer, with 'macro', which points to a struct hashnode.
6186 (cpp_reader): Add 'potential_control_macro' pointer.
6187 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6188 (CPP_BUF_GET, CPP_FORWARD): Delete.
6189 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6190 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6191 ACTIVE_MARK_P): Update.
6192 (_cpp_get_define_token): New internal function.
6193 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6195 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6197 * configure.in: And here.
6198 * configure: Regenerate.
6199 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6200 --enable-libstdcxx-v3 is passed at configure time.
6201 * config.h.in: Regenerate.
6203 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6205 * final.c (final): Use xcalloc to allocate line_note_exists.
6206 * function.c (free_after_compilation): Free the temp_slots.
6207 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6208 (combine_temp_slot): Free temp_slots when they get combined.
6209 (purge_addressof): Fix typo in comment.
6210 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6211 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6213 * ggc.h: Include varray.h.
6214 (ggc_pending_trees): Declare.
6215 (ggc_mark_tree_children): Remove declaration.
6216 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6217 * ggc-common.c (ggc_pending_trees): New variable.
6218 (ggc_mark_roots): Call ggc_mark_trees.
6219 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6220 the ggc_pending_trees.
6221 * Makefile.in (GGC_H): New variable. Use it throughout in place
6224 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6226 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6229 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6231 * sh.c (sh_insn_length_adjustment): New function.
6232 * sh-protos.h (sh_insn_length_adjustment): Declare.
6233 * sh.h (ADJUST_INSN_LENGTH): Use it.
6235 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6237 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6238 from the insn where REG_RETVAL is added.
6239 (emit_no_conflict_block): Ditto.
6241 * md.texi (Standard Names): Clarify when movX is needed.
6243 * combine.c (simplify_comparison) [MINUS]: Do not replace
6244 all (op (minus A B) 0) with (op A B).
6246 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6247 J"orn Rennecke <amylaar@cygnus.co.uk>
6249 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6250 (block_lump_real): Likewise.
6252 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6254 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6255 remaining non-zero debugging masks.
6257 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6259 * basic-block.h (verify_flow_info): Declare.
6260 (flow_loop_outside_edge_p): Declare.
6261 * flow.c (verify_flow_info): Remove declaration.
6262 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6264 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6266 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6269 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6271 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6272 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6273 seqdi_zero_trunc+1): Allow splits only if registers are
6276 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6278 * acconfig.h: Add HAVE_GAS_HIDDEN.
6279 * config.in: Regenerated.
6280 * configure.in: Add test for .hidden pseudo-op in gas.
6281 * configure: Regenerated.
6282 * crtstuff.c: Include auto-host.h.
6283 Emit additional .hidden pseudo-op for __dso_handle if the
6284 assembler knows about it.
6286 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6288 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6289 before freeing argnames.
6290 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6292 2000-04-05 Michael Meissner <meissner@redhat.com>
6294 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6295 Walton <jonboy@gordian.com> to make memory references with update
6296 work wtih -mregnames.
6298 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6300 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6301 (regrename_optimize): Rename variables `def_uses' and
6302 `ext_basic_blocks' to avoid conflicts with similarly named
6303 typedefs in traditional C.
6305 * calls.c (initialize_argument_information): Fix typo in previous
6308 2000-04-04 Richard Henderson <rth@cygnus.com>
6310 * regrename.c (consider_available): Test fixed_regs not
6311 PIC_OFFSET_TABLE_REGNUM.
6313 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6315 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6317 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6318 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6319 (ENDFILE_LINUX_SPEC): Always use crtend.
6320 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6321 (powerpc-*-linux-gnu): Likewise.
6322 * configure: Regenerate.
6324 * config/rs6000/eabi.h: Don't include sysv4.h.
6325 (MULTILIB_DEFAULTS): Don't define.
6326 * config/rs6000/eabiaix.h: Don't include eabi.h.
6327 * config/rs6000/eabile.h: Delete.
6328 * config/rs6000/eabilesim.h: Delete.
6329 * config/rs6000/eabisim.h: Don't include eabi.h.
6330 * config/rs6000/linux.h: Don't include sysv4.h.
6331 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6332 (MULTILIB_DEFAULTS): Don't redefine.
6333 * config/rs6000/rtems.h: Don't include eabi.h.
6334 * config/rs6000/sol2.h: Don't include sysv4le.h.
6335 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6336 * config/rs6000/t-ppc: Delete.
6337 * config/rs6000/t-ppcgas: Correct comment.
6338 * config/rs6000/t-ppcos: Correct comment. Don't build
6339 multilibs for -fPIC, rather use -fPIC -mstrict-align
6341 * config/rs6000/t-ppc: Delete.
6342 * config/rs6000/vxppc.h: Don't include sysv4.h.
6343 * config/rs6000/vxppcle.h: Delete.
6344 * configure.in: Use multiple header files for p2pc ELF targets
6345 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6346 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6347 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6348 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6349 always available for these platforms.
6351 2000-04-04 Richard Henderson <rth@cygnus.com>
6353 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6355 2000-04-04 Stan Cox <scox@cygnus.com>
6357 * Makefile.in: Add rules for regrename.o
6358 * regrename.c: New file.
6359 * rtl.h (regrename_optimize): Add prototype.
6360 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6361 (compile_file, decode_d_option): Add support for -frename-registers.
6362 (rest_of_compilation): Call regrename_optimize.
6363 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6366 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6368 * Makefile (gccbug): New target.
6369 (doc): Depend on it.
6370 * gcc.texi (Bugs): Link subnodes.
6372 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6373 Document severities, priorities, and classes in bug form.
6375 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6377 * cpplex.c (trigraph_map, speccase): Combine into single
6379 (NORMAL, NONTRI): New macros.
6380 (_cpp_read_and_prescan): Change to use unified table. Use
6381 is_hspace to test for whitespace.
6383 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6384 definition that doesn't provoke the "empty body in an
6385 if-statement" warning.
6387 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6389 * builtins.c (expand_builtin_strlen): Force the source to
6390 be a memory address.
6392 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6394 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6396 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6398 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6399 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6400 (ECF_IS_CONST): Rename to ECF_CONST.
6401 (special_function_p): Make static, change interface.
6402 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6403 (expand_call) ... here; convert number of variables to flags.
6404 (emit_library_call_vlue_1): Likewise.
6405 (setjmp_call_p): New function.
6406 (initialize_argument_information): Accepts flags as argument;
6408 (precompute_arguments): Likewise.
6409 * tree.h (special_function_p): Remove.
6410 (setjmp_call_p): Add prototype.
6412 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6414 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6415 so that addresses are offsetable by up to 16 bytes.
6416 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6417 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6420 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6421 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6422 (movsf): Don't force any constant to memory if target is integer
6424 Move fp_zero_operand check below the const0_rtx check.
6425 (movtf): Likewise. Also allow fp_zero_operand for stores into
6427 (movdf): Likewise. Also allow fp_zero_operand for stores into
6428 memory and into integer hard registers.
6429 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6430 movdf_const_intreg_sp64): Remove.
6431 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6433 (movdf_no_e_insn_v9_sp32): New pattern.
6434 (movdf_insn_v9only): Remove.
6435 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6436 (movdf_insn_sp64): Remove.
6437 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6438 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6439 (following splits): Rewrite conditions. Add two new splits
6440 for storing 0.0 into memory and registers.
6441 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6442 (movtf_insn_sp32): Redo constraints and conditions.
6443 (movtf_insn_vis_sp32): New pattern.
6444 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6445 (movtf_insn_hq_sp64): Likewise.
6446 (movtf_insn_hq_vis_sp64): New pattern.
6447 (movtf_insn_sp64): Redo constraints and conditions.
6448 (movtf_insn_vis_sp64): New pattern.
6449 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6450 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6452 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6453 -mvis or -m64 to take down the number of various reload patterns.
6455 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6457 * pa/pa-64.h: New file.
6458 * pa/pa64-regs.h: New file.
6459 * pa/pa64-start.h: New file.
6460 * pa/t-pa64: New file.
6461 * pa/xm-pa64hpux.h: New file.
6463 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6465 * sparc.c (output_restore_regs): Prototype.
6466 (sparc_emit_float_lib_cmp): Constification.
6468 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6470 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6473 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6474 (get_value_hash, hash_rtx): Likewise.
6476 * ssa.c (compute_conservative_reg_partition): Prototype.
6478 * tree.c (mark_hash_entry): Prototype.
6480 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6482 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6483 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6484 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6486 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6487 * objc/lang-specs.h: Likewise.
6489 2000-04-03 Neil Booth <NeilB@earthling.net>
6491 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6492 and SYNTAX_ERROR2. Replace `' in messages with ''.
6493 (op_to_str): Make re-entrant.
6494 (_cpp_parse_expr): Implement new error macros. Use | rather
6495 than || to logically or 2 boolean integers. Simply expression
6496 checking we have a left operand iff needed.
6498 2000-04-03 Nick Clifton <nickc@cygnus.com>
6500 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6502 2000-04-03 Philip Blundell <philb@gnu.org>
6504 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6506 2000-04-03 Felix Lee <flee@cygnus.com>
6508 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6509 (run_shell): Use it.
6511 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6513 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6514 (stmp-fixproto): ...rather than here.
6516 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6518 * pa.c (print_operand): Compute 'base' only inside the code paths
6521 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6523 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6526 2000-04-03 Philipp Thomas <pthomas@suse.de>
6528 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6530 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6532 * Makefile.in (alias.o): Depend on $(TREE_H).
6534 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6536 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6538 * cpplib.c (_cpp_handle_directive): Improve warnings for
6539 traditional C and indented directives.
6541 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6542 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6543 fixinc/inclhack.def: Indent the # of #include_next one space.
6544 * cp/rtti.c: Un-indent #if and #endif.
6546 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6547 syntax error, but an error has already been printed.
6548 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6549 message when called with nothing remaining on the line.
6550 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6551 OTHER token, not an ASSERTION.
6552 * cpplib.c (do_assert): When we create a 'base' node, clear
6553 its aschain pointer.
6555 2000-04-02 Neil Booth <NeilB@earthling.net>
6557 * cppexp.c: New typedef op_t. struct operation and struct
6558 token updated to use it.
6559 (op_to_str): New function.
6560 (_cpp_parse_expr): Error messages modified to use op_to_str.
6562 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6564 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6565 before checking MUST_PASS_IN_STACK.
6567 2000-04-02 Neil Booth <NeilB@earthling.net>
6569 * cppexp.c: New FINISHED dummy token. Combine operator initial
6570 flags and initial priority into a single constant. New
6571 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6572 (_parse_cpp_expr): Implement new constants. Take left operand
6573 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6574 parse indicated by reducing FINISHED token. Remove new lines
6575 from cpp_error messages.
6577 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6579 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6582 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6584 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6585 directive. Add origin values to DIRECTIVE_TABLE. Generate
6586 the strings and function names on the fly. Take the #sccs
6587 entry out of the table if SCCS_DIRECTIVE is not defined.
6588 (_cpp_handle_directive): Decide if the # was at the beginning
6589 of the line here. Issue -pedantic warnings for extended
6590 directives here. Warn about K+R directives with the #
6591 indented, and C89/extended directives with the # not indented,
6593 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6594 do_assert, do_unassert): Don't issue pedantic warning here.
6596 * cpphash.h: Add CPP_WTRADITIONAL macro.
6597 * cpplib.h (struct cpp_options): Rename warn_stringify to
6598 warn_traditional; update comments.
6599 * cppinit.c (handle_option): Set warn_traditional not
6601 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6602 CPP_WTRADITIONAL (pfile).
6603 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6604 be ignored in -traditional mode here.
6606 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6607 to initialize speccase[] and trigraph_map[]. Delete all
6608 references to pfile->input_speccase. Always treat '?' as a
6609 special character. Remove table-initialization code from
6610 _cpp_init_input_buffer.
6612 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6613 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6615 2000-04-01 Richard Henderson <rth@cygnus.com>
6617 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6618 (mostlyclean): Likewise.
6620 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6621 (struct dump_file_info, enum dump_file_index, dump_file): New.
6622 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6623 not a string. Clean out file if we havn't yet done so. Do nothing
6624 if the dump isn't enabled.
6625 (close_dump_file): Do nothing if the dump isn't open. Dump
6626 graph data if requested.
6627 (dump_rtl, clean_dump_file): Remove.
6628 (compile_file): Don't clean the dump files. Only finalize .bp dump
6629 if flag_test_coverage or flag_branch_probabilities. Only finalize
6630 .combine dump if optimizing. Iterate over dump_file to finalize the
6632 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6633 Convert all uses of dump_rtl.
6634 (decode_d_option): Iterate over dump_file to implement 'a' and to
6635 locate pass-specific dumps.
6637 2000-04-01 Neil Booth <NeilB@earthling.net>
6639 * cppexp.c: Redefine priority constants.
6640 (_cpp_parse_expr): Replace left and right priority scheme with
6641 single priority logic. Move LOGICAL to same place as COMPARE.
6642 Remove bogus check for multiple unary +/- operators.
6644 2000-04-01 Neil Booth <NeilB@earthling.net>
6646 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6647 within the switch statement. Binary operations break out of
6648 the switch naturally. '(' tokens handled by forcing
6649 immediate shift. ')' handled by forcing immediate reduce to
6650 the previous '('. New error messages.
6652 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6654 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6655 part', it's already in use. Use %K instead. Add a return at the
6656 end of what is now %K.
6657 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6659 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6661 * builtins.c (expand_builtin_apply): Pass proper parameters to
6662 allocate_dynamic_stack_space.
6663 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6664 update stack_pointer_delta; do not update arg_size_so_far.
6665 (compute_argument_block_size): Use stack_delta instead of
6666 stack_pointer_pending and arg_size_so_far.
6667 (expand_call): Add sanity checking for stack_pointer_delta;
6668 save and restore stack_pointer_delta for SIB, use
6669 stack_pointer_delta for alignment; do not update arg_space_so_far.
6670 (emit_library_call_value): Use stack_pointer_delta for alignment.
6671 (store_one_arg): Do not update arg_space_so_far.
6672 * explow.c (adjust_stack, anti_adjust_stack): Update
6673 stack_pointer_delta.
6674 (allocate_dynamic_stack_space): Add sanity checking for
6675 stack_pointer_delta.
6676 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6677 stack_pointer_delta.
6678 (emit_push_insn): Update stack_pointer_delta.
6679 * function.h (struct expr_status): Add x_stack_pointer_delta;
6680 remove x_arg_space_so_far.
6681 (arg_space_so_far): Remove.
6682 (stack_pointer_delta): New macro.
6684 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6686 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6687 Reorder struct cpp_options and struct cpp_reader for better
6688 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6689 takes two args. Change all 'char' flags to 'unsigned char'.
6690 Move show_column flag into struct cpp_options. Don't
6691 prototype cpp_options_init.
6692 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6693 cppinit.c, cpplex.c, cpplib.c:
6694 Replace CPP_OPTIONS (pfile)->whatever with
6695 CPP_OPTION (pfile, whatever), and likewise for
6696 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6698 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6699 Extract CPP_OPTION (pfile, pending) and work with that
6701 (cpp_options_init): Delete.
6702 (cpp_reader_init): Turn on on-by-default options here.
6703 Allocate the pending structure here.
6704 (cl_options, enum opt_code): Define these from the same table,
6705 kept in a large macro. Add -fshow-column and -fno-show-column
6708 * cpperror.c (v_message): If show_column is off, don't print
6711 * cppmain.c: Update for new interface.
6712 * fix-header.c: Likewise.
6714 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6716 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6718 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6719 are passed to any invocation of AR_FOR_TARGET.
6720 (AR_CREATE_FOR_TARGET): New macro.
6721 (AR_EXTRACT_FOR_TARGET): New macro.
6722 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6723 AR_EXTRACT_FOR_TARGET.
6724 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6725 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6726 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6727 AR_EXTRACT_FOR_TARGET to sub-makes.
6729 2000-03-31 Neil Booth <NeilB@earthling.net>
6731 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6733 (_cpp_parse_expr): Check for multiple unary +/- operators.
6734 Correct priorities of ':' and '?'. Treat ')' as having a
6735 value. Ensure conditional expression is not void.
6737 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6739 * alias.c (canon_rtx): Make it global.
6740 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6742 * cse.c (struct table_elt): Add canon_exp.
6744 (invalidate): Canonicalize expressions only once.
6745 * rtl.h (canon_rtx): Declare.
6747 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6749 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6750 * alias.c (reg_known_value): Add comments.
6751 (init_alias_analysis): Likewise.
6752 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6754 (cse_basic_block): Fix typo in comment.
6755 * emit-rtl.c: Include hashtab.h.
6756 (const_int_htab): New variable.
6757 (const_int_htab_hash): New function.
6758 (const_int_htab_eq): Likewise.
6759 (rtx_htab_mark_1): Likewise.
6760 (rtx_htab_mark): Likewise.
6761 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6762 (unshare_all_rtx): Fix formatting.
6763 (init_emit_once): Initialize const_int_htab.
6764 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6766 * rtl.texi: Document the fact that all CONST_INTs with the same
6769 2000-03-30 Richard Henderson <rth@cygnus.com>
6771 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6773 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6775 * configure.in: Comment out --enable-c-cpplib stanza.
6776 * configure: Regenerate.
6778 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6780 * expr.c (store_constructor): Properly compute displacement and
6781 alignment when offset is variable.
6783 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6784 cases of alignment in bytes.
6786 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6788 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6789 since it is used to generate c-parse.y.
6790 * objc-parse.c, objc-parse.y: Regenerated.
6792 * function.c (expand_function_end): Pass alignment argument to
6793 emit_block_move in bits, not bytes.
6795 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6797 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6800 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6802 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6803 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6804 * function.c (assign_parms): Likewise.
6805 * integrate.c (expand_inline_function): Likewise.
6806 * stmt.c (expand_decl): Likewise.
6807 (copy_rtx_and_substitute): Likewise.
6808 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6809 (clear_by_pieces): Fix error in last change.
6810 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6811 * function.h (regno_pointer_align): Now unsigned.
6812 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6814 * config/i386/i386.c (aligned_operand): Likewise.
6815 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6816 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6817 (unaligned_memory_operand): Likewise.
6818 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6819 Also make alignments and sizes unsigned and some whitespace cleanup.
6820 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6822 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6823 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6824 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6825 (expand_builtin_memset): Likewise, but to clear_storage.
6826 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6827 (restore_fixed_argument_area): Likewise.
6828 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6829 (load_register_parameters): Likewise, to emit_group_load.
6830 (expand_call): Likewise, to emit_group_store and emit_block_move.
6831 (emit_library_call_value_1): Likewise, to emit_block_move.
6832 (store_one_arg): Likewise, and to emit_push_insn.
6833 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6834 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6835 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6836 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6837 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6838 (expand_assigment, store_expr, store_constructor_field): Likewise.
6839 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6840 (store_constructor, store_field, get_inner_reference): Likewise.
6841 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6842 (expand_expr, case COMPONENT_REF): Likewise.
6843 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6844 and positions; reindent code.
6845 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6846 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6847 (assign_parms): Likewise to emit_group_store.
6848 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6849 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6850 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6851 (expand_return): Likewise to {extract,store}_bit_field.
6852 * stor-layout.c (get_mode_alignment): Minor cleanup.
6853 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6854 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6856 2000-03-29 Nick Clifton <nickc@cygnus.com>
6858 * config/arm/arm.h: Undo effects of previous delta:
6859 (ASM_SPEC): Do not define.
6860 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6862 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6865 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6867 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6868 only after reading in the primary source file.
6870 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6872 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6873 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6874 or a reference to a va_list.
6875 * builtins.c (stabilize_va_list): Simplify now we don't have to
6876 work around C array address decay.
6877 * c-typeck.c (convert_for_assignment): Handle assignment to
6878 a reference parameter by taking the address of the RHS.
6879 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6880 (va_copy): Likewise.
6881 (__va_copy): Likewise.
6882 * ginclude/varargs.h (va_start): Likewise.
6883 (__va_copy): Likewise.
6885 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6887 * i386/djgpp.h: Remove extraneous "+".
6889 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6891 * calls.c (expand_call): Fix typo in last change.
6893 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6895 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6898 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6900 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6901 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6902 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6903 * tree.c (bit_position, byte_position): Likewise.
6904 * tree.h: Declare new functions.
6906 2000-03-29 Nick Clifton <nickc@cygnus.com>
6908 * config/arm/arm.c: Minor formatting changes/
6909 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6911 (ASM_SPEC): Define if not already defined.
6913 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6915 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6918 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6920 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6921 value, don't output it as unsigned.
6923 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6925 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6927 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6929 * c-common.c (c_common_nodes_and_builtins): Don't special case
6930 cplus_mode when declaring builtin bzero/bcmp, always avoid
6931 prototype arguments.
6933 2000-03-29 Bruce Korb <bkorb@gnu.org>
6935 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6938 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6940 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6941 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6942 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6943 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6944 (save_fixed_argument_area, restore_fixed_argument_area):
6945 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6946 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6947 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6948 (precompute_register_parameters): Avoid #ifdefs on
6949 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6950 (stire_one_args): Likewise.
6951 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6952 (emit_library_call_value_1): Likewise.
6953 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6954 ACCUMULATE_OUTGOING_ARGS.
6955 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6957 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6958 (use_crosses_set_p): Likewise.
6959 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6960 #define ACCUMULATE_OUTGOING_ARGS 1.
6961 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6963 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6965 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6966 (TARGET_SWITCHES): Add push-args, no-push-args,
6967 accumulate-outgoing-args and no-accumulate-outgoing-args.
6968 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6969 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6970 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6972 (emit_push_insn): Likewise.
6973 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6974 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6975 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6976 (STACK_DYNAMIC_OFFSET): Define correctly for both
6977 ACCUMULATE_OUTGOING_ARGS and normal mode.
6978 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6979 * tm.texi (PUSH_ARGS): Document.
6980 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6982 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6984 * flags.h (flag_optimize_sibling_calls): Declare.
6985 * calls.c (expand_call): Fail sibcall when
6986 !flag_optimize_sibling_calls
6987 * invoke.texi (flag_optimize_sibling_calls): Document.
6988 * toplev.c (flag_optimize_sibling_calls): New global variable.
6989 (f_options): Add flag_optimize_sibling_calls.
6990 (rest_of_compilation): Conditionize
6991 optimize_sibling_and_tail_recursive_calls by
6992 flag_optimize_sibling_calls.
6993 (main): Set flag_optimize_sibling_calls for -O2.
6994 * stmt.c (expand_return): Conditionize tail recursion by
6995 flag_optimize_sibling_calls.
6997 2000-03-29 Richard Henderson <rth@cygnus.com>
6999 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7000 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7002 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7004 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7006 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7008 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7010 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7011 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7012 * config/rs6000/aix.h: then modified likewise.
7014 2000-03-28 Richard Henderson <rth@cygnus.com>
7016 * rtl.h: Redistribute enum reg_note documentation.
7017 Kill trailing whitespace.
7018 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7019 Kill trailing whitespace.
7021 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7023 * cppfiles.c (hash_IHASH): Just return i->hash.
7024 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7025 htab_find_with_hash.
7026 (cpp_read_file): Likewise.
7027 (find_include_file): Likewise. Properly initialize
7028 ih->nshort. Share ih->name and ih->nshort if possible.
7029 * cpphash.c (_cpp_calc_hash): New function.
7030 (hash_HASHNODE): Just return h->hash.
7031 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7032 htab_find_with_hash.
7033 * cpphash.h: Prototype _cpp_calc_hash.
7034 * cppinit.c (initialize_builtins): Provide a valid hash
7035 to _cpp_make_hashnode, using _cpp_calc_hash.
7037 * cpphash.c (collect_expansion): # is not a special character
7038 in object-like macros. In -traditional mode, /**/ is not
7039 token paste at the beginning or end of the line.
7040 * cpplib.c (do_include, do_import, do_include_next): If
7041 parse_include fails, return immediately.
7043 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7045 * config/arm/arm.md (return peepholes): Update to reflect the new
7047 * config/arm/arm.c (arm_volatile_func): Also check
7048 current_function_nothrow.
7049 (output_return_instruction, output_func_prologue): Use it.
7050 (arm_output_epilogue, arm_expand_prologue): Likewise.
7052 2000-03-27 Tom Tromey <tromey@cygnus.com>
7054 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7057 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7059 * expr.c (store_constructor): SIZE now signed.
7060 For EXPR_SIZE, don't evaluate size; just needed if constant.
7061 * fold-const.c (fold): Fix a number of cases when folded tree is
7063 * function.c (flush_addressof): Reenable.
7064 * tree.h (flush_addressof): Likewise.
7065 * toplev.c (independent_decode_option): Look at strings_processed.
7066 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7068 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7070 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7071 Allow stack adjustment after function call.
7073 * regmove.c (struct csa_memlist): Make mem field rtx *.
7074 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7075 (try_apply_stack_adjustment): Replace whole MEM rtx.
7076 (combine_stack_adjustments_for_block): Update calls
7077 to record_one_stack_ref.
7079 2000-03-28 Neil Booth <NeilB@earthling.net>
7081 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7082 '\\' rather than a null character, so nulls are not special. Fix
7083 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7084 speed trigraph conversion.
7085 (_cpp_init_input_buffer): Initialize trigraph map.
7087 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7089 * config/i386/i386.c (output_387_binary_op): Correct intel
7090 mode assembly output, and add spaces after commas in AT&T
7091 output. Correct Unixware assembler comment. Document input
7092 constraints. Comment fp operations. Reduce profligate buffer
7093 size. Remove extraneous abort. Localize temp var.
7094 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7095 (output_fix_trunc): Add spaces after commas in assembly output.
7097 2000-03-27 Richard Henderson <rth@cygnus.com>
7099 * i386-protos.h (ix86_match_ccmode): Declare.
7100 * i386.c (ix86_match_ccmode): New.
7101 (ix86_expand_fp_compare): Update for pattern renames.
7102 (ix86_expand_strlensi_unroll_1): Likewise.
7103 * i386.h (EXTRA_CC_MODES): Add CCZ.
7104 (SELECT_CC_MODE): Use it for EQ/NE zero.
7105 * i386.md (cmpsi_ccz_1): New.
7107 (*testsi_ccz_1): New.
7108 (testqi_ccz_1): New.
7109 (cmpsi_ccno_1): Rename from cmpsi_0.
7110 (testsi_ccno_1): Rename from testsi_1.
7111 (testqi_ccno_1): Rename from testqi_1.
7112 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7113 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7114 (*cmphi_0): Use ix86_match_ccmode.
7115 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7116 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7117 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7118 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7119 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7120 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7121 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7122 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7123 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7124 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7125 (appropriate peepholes): Likewise.
7126 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7127 (*subsi_3, *subhi_3, *subqi_3): Remove.
7128 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7129 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7130 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7131 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7132 (x86_shift_adj_1): Use CCZ.
7133 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7135 2000-03-27 Stan Cox <scox@cygnus.com>
7137 * resource.h (mark_resource_type): New.
7138 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7139 find_free_register): Use mark_resource_type.
7140 (mark_set_resources): Change include_delayed_effects
7141 to mark_resource_type.
7142 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7143 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7144 Use mark_resource_type.
7146 2000-03-27 Richard Henderson <rth@cygnus.com>
7148 * i386.md (call_pop_0, call_value_pop_0): New.
7149 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7150 (call_value_pop_1): Likewise.
7151 (call_0, call_value_0): New.
7152 (call_1, call_value_1): Remove constraint from unused arg.
7154 2000-03-27 Nick Clifton <nickc@cygnus.com>
7156 * invoke.texi (Spec Files): Document new spec % command created by
7157 Tom Tromey's recent patch.
7159 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7161 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7164 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7166 * expr.c (expand_assignment): Fix typo in last change.
7168 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7170 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7172 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7173 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7174 and DECL_INLINE if FUNCTION_DECL.
7175 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7176 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7177 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7178 (combine_parm_decls): Likewise.
7179 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7180 * print-tree.c (print_node): Likewise.
7181 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7182 DECL_TRANSPARENT_UNION on proper decl types.
7183 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7184 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7185 DECL_BIT_FIELD of FIELD_DECL.
7186 * tree.h (DECL_RESULT_FLD): New macro.
7188 * expr.c (expand_assignment): Add code to handle variable-sized
7191 2000-03-26 Richard Henderson <rth@cygnus.com>
7193 * calls.c (expand_call): Pass parms not original exp to
7194 optimize_tail_recursion. Mind return value instead of looking
7196 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7197 call_expr. Move checks for call_expr and current_function_decl ...
7198 (expand_return): ... here.
7200 2000-03-26 Tom Tromey <tromey@cygnus.com>
7202 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7203 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7205 (process_command): Use them.
7206 (check_live_switch): Likewise.
7207 (give_switch): Skip ignored switches.
7209 2000-03-26 Jan Hubicka <jh@suse.cz>
7211 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7212 for minimal jump pass test.
7214 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7216 * integrate.c (function_cannot_inline_p): Do inline functions that
7219 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7221 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7222 now a list of TREE_LIST entries, not types.
7223 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7225 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7226 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7228 * config/mips/mips.c (function_arg): Likewise; also remove cast
7229 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7230 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7231 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7232 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7233 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7234 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7235 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7236 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7237 num_adjusts now unsigned.
7238 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7239 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7241 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7242 as is BITPOS variable; use host_integerp and int_bit_position.
7243 (function_arg_record_value_2): Likewise.
7244 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7245 Variable REGNO now unsigned.
7246 (function_arg_record_value): NREGS now unsigned.
7248 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7250 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7252 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7254 * Rework fields used to describe positions of bitfields and
7255 modify sizes to be unsigned and use HOST_WIDE_INT.
7256 * alias.c (reg_known_value_size): Now unsigned.
7257 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7258 (really_start_incremental_init): Use bitsize_zero_node.
7259 (push_init_level, pop_init_level, output_init_element): Likewise.
7260 Use bitsize_unit_node and bitsize_one_node.
7261 (output_pending_init_elements, process_init_element): Likewise.
7262 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7263 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7264 HOST_WIDE_INT, respectively.
7265 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7266 (num_sign_bit_copies): Returns unsigned.
7267 BITWIDTH now unsigned; rework arithmetic.
7268 Remove recursive call from arg to MAX.
7269 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7270 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7272 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7273 (find_split_point, expand_compound_operation, make_extraction): LEN
7274 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7275 (make_field_assignment): Likewise.
7276 (combine_simplify_rtx): Add cast.
7277 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7278 (force_to_mode): WIDTH now unsigned; add cast.
7279 (if_then_else_cond): SIZE now unsigned.
7280 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7281 (extended_count): Now returns unsigned.
7282 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7283 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7284 (simplify_comparison): MODE_WIDTH now unsigned.
7285 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7286 (mark_used_regs_combine): Likewise; rework arithmetic.
7287 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7288 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7289 (record_promoted_value): REGNO now unsigned.
7290 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7291 (get_last_value): REGNO now unsigned.
7292 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7293 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7294 (remove_death): Arg REGNO now unsigned.
7295 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7296 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7298 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7299 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7300 (struct cse_reg_info): REGNO now unsigned.
7301 (cached_regno): Now unsigned.
7302 (REGNO_QTY_VALID_P): Add cast.
7303 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7304 (remove_invalid_regs): Likewise.
7305 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7306 as are variables END and I.
7307 (get_cse_reg_info, insert): Likewise.
7308 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7309 (canon_hash): Likewise.
7310 (insert_regs, lookup_for_remove): REGNO now unsigned.
7311 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7313 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7314 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7315 * emit-rtl.c (subreg_realpart_p): Add cast.
7316 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7317 (operand_subword_force): Arg I is now unsigned.
7318 * except.c (eh_regs): Variable I is now unsigned.
7319 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7320 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7321 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7322 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7323 (extract_split_bit_field, store_bit_field, extract_bit_field):
7325 * expr.c (store_constructor_fields, store_constructor, store_field):
7326 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7327 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7328 (do_jump): Likewise.
7329 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7330 MAX_SIZE is now unsigned.
7331 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7332 (emit_group_store): Likewise.
7333 (emit_move_insn): I now unsigned.
7334 (store_constructor): Use host_integerp, tree_low_cst, and
7336 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7337 Rework all calculations to use trees and new fields.
7338 * expr.h (promoted_input_arg): Regno now unsigned.
7339 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7340 (mark_seen_cases): Arg is HOST_WIDE_INT.
7341 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7342 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7343 precisions and alignments are unsigned.
7344 (optimize_bit_field_compare, fold_truthop): Likewise.
7345 (int_const_binop): Adjust threshold for size_int_type_wide call.
7346 (fold_convert): Likewise.
7347 (size_int_type_wide): Make table larger and fix thinko that only
7348 had half of table used.
7349 (all_ones_mask_p, fold): Precisions are unsigned.
7350 * function.c (put_reg_info_stack): REGNO is unsigned.
7351 (instantiate_decl): Size is HOST_WIDE_INT.
7352 (instantiate_virtual_regs): I is unsigned.
7353 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7354 (promoted_input_arg): REGNO is unsigned.
7355 * function.h (struct function): x_max_parm_reg is now unsigned.
7356 * gcse.c (max_gcse_regno): Now unsigned.
7357 (struct null_pointer_info): min_reg and max_reg now unsigned.
7358 (lookup_set, next_set): REGNO arg now unsigned.
7359 (compute_hash_table): REGNO and I now unsigned.
7360 (handle_avail_expr): regnum_for_replacing now unsigned.
7361 (cprop_insn): REGNO now unsigned.
7362 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7363 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7364 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7365 * hard-reg-set.h (reg_class_size): Now unsigned.
7366 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7367 * jump.c (mark_modified_reg): I now unsigned; add cast.
7368 (rtx_equal_for_thread_p): Add cast.
7369 * loop.c (max_reg_before_loop): Now unsigned.
7370 (struct_movable): REGNO now unsigned.
7371 (try_copy_prop): REGNO arg unsigned.
7372 (regs_match_p): XN and YN now unsigned.
7373 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7374 (strength_reduce): Likewise; NREGS also unsigned.
7375 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7376 * loop.h (struct iv_class): REGNO now unsigned.
7377 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7379 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7380 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7381 * optabs.c (expand_binop): I and NWORDS now unsigned.
7382 (expand_unop): I now unsigned.
7383 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7384 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7385 * real.c (significand_size): Now returns unsigned.
7386 * real.h (significand_size): Likewise.
7387 * regclass.c (reg_class_size): Now unsigned.
7388 (choose_hard_reg_mode): Both operands now unsigned.
7389 (record_reg_classes): REGNO and NR now unsigned.
7390 (reg_scan): NREGS now unsigned.
7391 (reg_scan_update): old_max_regno now unsigned.
7392 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7393 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7394 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7395 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7396 Likewise for variable R.
7397 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7398 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7399 (find_equiv_reg): Add casts.
7400 (regno_clobbered_p): Arg REGNO now unsigned.
7401 * reload.h (struct reload): NREGS now unsigned.
7402 (refers_to_regno_for_reload_p): Regno args are unsigned.
7403 (regno_clobbered_p): Likewise.
7404 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7405 (compute_use_by_pseudos): REGNO now unsigned.
7406 (find_reg): I and J now unsigned, new variable K, and change loop
7407 variables accordingly; THIS_NREGS now unsigned.
7408 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7409 (spill_hard_reg): REGNO arg now unsigned; add casts.
7410 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7411 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7412 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7413 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7414 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7415 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7416 (emit_reload_insns): REGNO now unsigned.
7417 (reload_cse_move2add): Add cast.
7418 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7420 * resource.c (mark_referenced_resources, mark_set_resources): New
7421 variable R; REGNO and LAST_REGNO now unsigned.
7422 (mark_target_live_regs): J and REGNO now unsigned.
7423 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7424 * rtl.h (union rtunion_def): New field rtuint.
7425 (XCUINT): New macro.
7426 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7427 (operand_subword, operand_subword_force): Word number is unsigned.
7428 (choose_hard_reg_mode): Operands are unsigned.
7429 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7430 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7431 (regno_use_in, combine_instructions, remove_death): Likewise.
7432 (reg_scan, reg_scan_update): Likewise.
7433 (extended_count): Return is unsigned.
7434 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7435 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7436 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7437 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7438 (reg_reg_last_1): FIRS and LAST now unsigned.
7439 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7440 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7442 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7443 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7444 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7445 (replace_regs): Arg NREGS now unsigned.
7446 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7447 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7448 (simplify_binary_operation): Likewise.
7449 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7450 THIS_LAST now unsigned.
7451 (cselib_record_set): Add cast.
7452 * ssa.c (ssa_max_reg_num): Now unsigned.
7453 (rename_block): REGNO now unsigned.
7454 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7456 (all_cases_count): Just return -1 not -2.
7457 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7458 Rework tests to use trees whenever possible.
7459 Use host_integerp and tree_low_cst.
7460 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7461 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7462 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7463 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7464 (smallest_mode_for_size): Likewise.
7465 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7466 KNOWN_ALIGN is now an alignment, so simplify code.
7467 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7468 (start_record_layout): Renamed from new_record_layout_info.
7469 Update to new fields.
7470 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7472 (place_union_field): Renamed from layout_union_field.
7473 Update to use new fields in rli.
7474 (place_field): Renamed from layout_field.
7475 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7476 (finalize_record_size): Rework to use new fields in rli and handle
7478 (compute_record_mode): Rework to simplify and to use new DECL fields.
7479 (finalize_type_size): Make rounding more consistent.
7480 (finish_union_layout): Deleted.
7481 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7482 (layout_type, case RECORD_TYPE): Call new function names.
7483 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7484 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7485 (get_best_mode): UNIT is now unsigned; remove casts.
7486 * tree.c (bit_position): Compute from new fields.
7487 (byte_position, int_byte_position): New functions.
7488 (print_type_hash_statistics): Cast to remove warning.
7489 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7490 (build_index_type): Likewise; make subtype of sizetype.
7491 (build_index_2_type): Pass sizetype to build_range_type.
7492 (build_common_tree_nodes): Use size_int and bitsize_int to
7493 initialize nodes; add bitsize_{zero,one,unit}_node.
7494 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7495 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7496 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7497 (DECL_FIELD_BITPOS): Deleted.
7498 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7499 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7500 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7501 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7502 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7503 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7504 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7505 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7506 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7507 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7508 (DECL_ALIGN): Adjust to new field in union.
7509 (DECL_OFFSET_ALIGN): New field.
7510 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7511 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7512 (union tree_decl): Add struct for both aligns.
7513 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7514 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7515 (struct record_layout_info): Rework fields to have offset
7516 alignment and byte and bit position.
7517 (start_record_layout, place_field): Renamed from old names.
7518 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7519 (byte_position, int_byte_position): Likewise.
7520 (get_inner_reference): Change types of position and length.
7521 * unroll.c (unroll_loop): New variable R; use for some loops.
7522 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7523 (calculate_giv_inc): Arg REGNO now unsigned.
7524 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7525 * varasm.c (assemble_variable): Clean up handling of size using
7526 host_integerp and tree_low_cst.
7527 (decode_addr_const): Use byte, not bit, position.
7528 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7529 use tree_low_cst and int_bit_position.
7530 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7532 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7534 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7535 (reorder_block_def): New members eff_head and eff_end.
7536 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7537 (verify_insn_chain): New function.
7538 (skip_insns_between_block): Add code to skip deleted insns.
7539 Check for note before using.
7540 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7541 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7542 Check for note before using.
7543 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7544 (fixup_reorder_chain): Restructure, clean up, defect removal.
7545 (reorder_basic_blocks): Remove last_insn and references to it.
7546 Moved insn chain verification code into a new function (see above).
7547 Delete defective code that sets last insn.
7548 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7551 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7553 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7555 2000-03-24 Richard Henderson <rth@cygnus.com>
7557 * tree.c (lang_safe_for_unsave): Remove.
7558 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7559 allowing for two levels of unsafeness. Remove lang hook.
7560 * tree.h: Update declarations.
7561 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7562 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7563 Always fail sibcalls when there are pending cleanups.
7565 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7567 * flow.c (propagate_block): When we delete an ADDR_VEC,
7568 also delete the BARRIER following it if there is one.
7570 2000-03-24 Richard Henderson <rth@cygnus.com>
7572 * builtins.c (expand_builtin_bzero): Convert `length' argument
7575 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7577 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7578 comparison if regno's are equal.
7579 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7580 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7581 (expand_call): Update caller.
7582 Avoid making a sibling call if argument size of the callee is larger
7583 than argument size of the caller.
7584 Call hard_function_value with outgoing set if in sibcall pass.
7585 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7587 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7588 Change LEAF_REGISTERS from an array initializer to actual array
7589 identifier. Move static global variable into the function.
7590 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7591 sequences for leaf functions.
7592 * global.c (global_alloc): Likewise.
7593 * tm.texi (LEAF_REGISTERS): Update documentation.
7595 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7596 TARGET_FLAT leaf disabling hack.
7597 (LEAF_REGISTERS): Changed from an array initializer to actual array
7598 identifier to avoid duplication and remove the above hack.
7599 (FUNCTION_OK_FOR_SIBCALL): Define.
7600 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7601 always like call attribute.
7602 (eligible_for_sibcall_delay): New attribute.
7603 (sibcall): New delay type.
7604 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7605 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7606 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7607 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7608 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7610 (output_function_epilogue): Move part of the code into
7611 output_restore_regs.
7612 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7614 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7617 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7618 until infrastructure is finished.
7620 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7622 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7623 (save_parm_insns): Not here.
7625 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7627 * builtins.c (expand_builtin_bzero): New function.
7628 (expand_builtin): Handle bzero.
7630 * builtins.def: Add BUILT_IN_BZERO.
7632 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7633 prototype & function for bzero.
7635 2000-03-23 Michael Meissner <meissner@redhat.com>
7637 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7638 change adding TARGET_FP to the TF floating point insns, except for
7639 trunctfsf2, which generates direct calls to truncdfsf2.
7641 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7643 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7644 try to protect against middle-end changes that break binary
7646 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7648 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7650 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7652 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7654 * calls.c (expand_call): If TARGET is passed by reference and
7655 is readonly, write a CLOBBER.
7657 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7659 * builtins.c (expand_builtin): Handle bcmp.
7661 * builtins.def: Add BUILT_IN_BCMP.
7663 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7664 prototype & function for bcmp.
7666 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7668 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7669 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7670 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7672 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7674 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7675 alternative when using -fp64 -gp32.
7677 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7679 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7680 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7681 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7683 * frame.h (frame_state): Revert last change.
7684 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7685 * libgcc2.c (throw_helper): Revert last change.
7687 2000-03-22 Richard Henderson <rth@cygnus.com>
7689 * stmt.c (expand_asm_operands): Don't promote the temporary.
7691 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7693 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7694 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7695 c_get_alias_set): Likewise.
7696 * c-decl.c (duplicate_decls): Likewise.
7697 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7698 * calls.c (initialize_argument_information): Likewise.
7699 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7701 * dwarfout.c (decl_class_context,output_type): Likewise.
7702 * expr.c (get_inner_reference): Likewise.
7703 * fold-const.c (simple_operand_p,fold): Likewise.
7704 * function.c (aggregate_value_p): Likewise.
7705 * stmt.c (expand_asm_operands): Likewise.
7706 * varasm.c (named_section): Likewise.
7708 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7710 Implement dwarf2 exception handling for the ARM.
7711 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7712 (DWARF_FRAME_RETURN_COLUMN): Define.
7713 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7714 REG_FRAME_RELATED_EXPR note.
7715 (emit_sfm): Likewise.
7716 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7717 * dwarf2out.c (reg_save): Handle saving a register to itself.
7718 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7719 * except.c (eh_regs): Don't use the static chain reg if it's
7721 * frame.h (frame_state): Add cfa_saved field.
7722 * frame.c (execute_cfa_insn): Set it.
7723 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7725 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7727 (instantiate_virtual_regs): Adjust.
7729 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7730 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7731 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7733 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7734 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7736 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7738 * builtins.def: New file.
7740 * Makefile.in (TREE_H): Depend on builtins.def.
7742 * builtins.c (built_in_names): Use builtins.def.
7744 * tree.h (built_in_function): Likewise.
7746 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7748 * tree.c (size_in_bytes): Return size_zero_node, not
7751 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7753 * config/fp-bit.c (pack_d): Correct the case when a denormal
7754 is rounded up and stops being denormal.
7756 2000-03-21 Richard Henderson <rth@cygnus.com>
7758 * config/alpha/alpha.c (function_arg): Check for void_type_node
7759 before using MUST_PASS_IN_STACK.
7761 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7763 * regmove.c (combine_stack_adjustments_for_block): Check that
7764 the stack pointer is a valid memory address.
7766 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7768 * calls.c: re-install Mar 16 emit_library_call merge.
7770 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7772 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7773 we cannot be sure that if reload_completed base register will
7774 be properly aligned.
7776 2000-03-21 Richard Henderson <rth@cygnus.com>
7778 * flow.c (delete_block): Fix typo last change.
7780 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7782 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7783 not COMPLETE_TYPE_P, to check the type of the expression.
7785 2000-03-21 Michael Meissner <meissner@redhat.com>
7787 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7788 all floating point insns that just tested the macro
7789 TARGET_HAS_XFLOATING_LIBS.
7790 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7791 used to only use the gprs.
7793 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7795 * tree.h (COMPLETE_TYPE_P): New macro.
7796 (COMPLETE_OR_VOID_TYPE_P): New macro.
7797 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7798 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7799 * c-aux-info.c (gen_type): Use them.
7800 * c-common.c (c_expand_expr_stmt): Likewise.
7801 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7802 grokdeclarator, grokparms, finish_struct, start_function,
7803 store_parm_decls, combine_parm_decls): Likewise.
7804 * c-parse.y (cast_expr): Likewise.
7805 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7806 c_size_in_bytes, c_alignof, build_component_ref,
7807 build_indirect_ref, build_array_ref, convert_arguments,
7808 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7809 * calls.c (initialize_argument_information): Likewise.
7810 * convert.c (convert_to_integer): Likewise.
7811 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7812 * dwarfout.c (location_or_const_value_attribute,
7813 output_enumeration_type_die, output_structure_type_die,
7814 output_union_type_die, output_type): Likewise.
7815 * expr.c (safe_from_p, expand_expr): Likewise.
7816 * function.c (assign_parms): Likewise.
7817 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7818 * tree.c (build_array_type, build_function_type,
7819 build_method_type, build_offset_type, build_complex_type): Likewise.
7820 * c-parse.c, c-parse.h: Regenerated.
7822 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7824 * config/c4x/rtems.h: Include config/rtems.h.
7826 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7828 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7829 decl is a FUNCTION_DECL
7831 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7833 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7834 function uses output registers. Don't save RP for leaf functions.
7835 Do save RP even if no epilogue.
7836 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7837 (CALL_USED_REGISTERS): Unmark in registers.
7838 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7841 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7843 * config/rs6000/rs6000.md (bunordered): New expander.
7844 (bordered): New expander.
7845 (buneq): New expander.
7846 (bunge): New expander.
7847 (bungt): New expander.
7848 (bunle): New expander.
7849 (bunlt): New expander.
7850 (bltgt): New expander.
7852 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7853 (ccr_bit_negated_p): New function.
7854 (print_operand): For %C, generate appropriate cror for UNEQ,
7855 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7857 2000-03-20 Andreas Jaeger <aj@suse.de>
7859 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7862 * tree.h (safe_for_unsave): Prototype.
7864 2000-03-20 Richard Henderson <rth@cygnus.com>
7866 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7867 (combine_stack_adjustments_for_block): Don't allow sp references
7868 in the side of a set we're not fixing up.
7869 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7870 after life_analysis.
7872 2000-03-20 Richard Henderson <rth@cygnus.com>
7874 * calls.c (expand_call): Don't bother generating tail call
7875 sequences if there are pending cleanups. Use
7876 expand_start_target_temps/expand_end_target_temps to elide
7877 cleanups created during sibcall expansion.
7879 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7881 * configure.in: Set $IFS to a value if it doesn't already have one
7882 in the --enable-checking handling.
7883 * configure: Regenerate.
7885 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7887 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7888 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7891 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7893 * jump.c (delete_noop_moves): Remove code attempting to
7894 combine stack adjustments.
7896 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7898 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7899 * except.c (emit_cleanup_handler): Use them.
7900 (expand_end_all_catch): Likewise.
7901 * function.c (fixup_var_refs): Likewise.
7902 (expand_function_end): Clear catch_clauses_last.
7903 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7904 * except.h (struct eh_status): New field x_catch_clauses_last.
7905 (catch_clauses_last): New define.
7907 * Makefile.in (tree.o): Depend on HASHTAB_H.
7908 * tree.c: Include hashtab.h.
7909 (struct type_hash): Remove next field.
7910 (TYPE_HASH_SIZE): Remove.
7911 (TYPE_HASH_INITIAL_SIZE): New define.
7912 (type_hash_table): Change type to htab_t.
7913 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7914 mark_hash_entry): New functions.
7915 (init_obstacks): Allocate type hash.
7916 (type_hash_lookup): Use htab functions.
7917 (type_hash_add, mark_type_hash): Likewise.
7918 (dump_tree_statistics): Call print_type_hash_statistics.
7920 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7922 * rs6000/t-aix41: New file.
7924 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7926 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7928 * tm.texi (Driver): Fix typos and tweak entry for
7930 Move misplaced STRUCT_FORCE_BLK entry ...
7931 (Storage Layout): ... to here.
7932 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7934 2000-03-19 Richard Henderson <rth@cygnus.com>
7936 * flow.c (delete_block): Delete the addr_vec along with the block.
7937 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7940 * fold-const.c (extract_muldiv): Apply type check for defined
7941 overflow to multiply as well as divide.
7943 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7945 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7947 * emit-rtl.c (remove_unncessary_notes): Check that all
7948 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7949 associated NOTE_BLOCK.
7950 * function.h (identify_blocks): Update comments.
7951 (reorder_blocks): Declare.
7952 * function.c (identify_blocks): Don't take paramters.
7953 (reorder_blocks): Don't take parameters.
7954 * loop.h (find_loop_tree_blocks): Remove.
7955 (unroll_block_trees): Likewise.
7956 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7957 reorder_blocks instead of unroll_block_trees.h
7958 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7959 * stmt.c (find_loop_tree_blocks): Remove.
7960 (unroll_block_trees): Likewise.
7961 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7962 in whole-function mode.
7963 * tree.h (reorder_blocks): Remove declaration.
7965 * expr.c: Include intl.h.
7966 * Makefile.in (expr.o): Depend on intl.h.
7968 2000-03-18 Richard Henderson <rth@cygnus.com>
7970 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7972 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7974 * tree.h (tree_index): Remove enumerals for integer types.
7975 (integer_type_kind): New type.
7976 (integer_types): New variable.
7977 (char_type_node): Adjust.
7978 (signed_char_type_node): Likewise.
7979 (unsigned_char_type_node): Likewise.
7980 (short_integer_type_node): Likewise.
7981 (short_unsigned_type_node): Likewise.
7982 (integer_type_node): Likewise.
7983 (unsigned_type_node): Likewise.
7984 (long_integer_type_node): Likewise.
7985 (long_unsigned_type_node): Likewise.
7986 (long_long_integer_type_node): Likewise.
7987 (long_long_unsigned_type_node): Likewise.
7988 * tree.c (integer_types): New variable.
7989 (init_obstacks): Register it as a root.
7991 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7993 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7994 NEXT_INSN. Update last insn in chain.
7996 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7998 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7999 with TYPE_DECL_SUPPRESS_DEBUG set.
8001 2000-03-18 Richard Henderson <rth@cygnus.com>
8003 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8005 2000-03-18 Richard Henderson <rth@cygnus.com>
8007 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8008 care for HALF_PIC_P.
8009 (expander_call_insn_operand): Remove.
8010 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8011 * i386.h (PREDICATE_CODES): Update.
8012 * i386.md (all call expanders): Remove predicates, remove special
8013 handling for half-pic.
8014 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8015 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8016 (sibcall_epilogue): New.
8018 2000-03-17 Richard Henderson <rth@cygnus.com>
8020 * rtlanal.c (single_set): Reject if the parallel has anything
8021 except SET or USE or CLOBBER.
8023 2000-03-17 Jeff Law <law@cygnus.com>
8024 Richard Henderson <rth@cygnus.com>
8026 * Makefile.in (OBJS): Add sibcall.o.
8028 * sibcall.c: New file.
8029 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8030 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8031 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8032 Emit sibcall patterns when requested. Update all callers.
8033 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8034 elimination seems feasable.
8035 * final.c (leaf_function_p): Sibling calls don't discount being
8037 * flow.c (HAVE_sibcall_epilogue): Provide default.
8038 (find_basic_blocks_1): Sibling calls don't throw.
8039 (make_edges): Make edge from sibling call to EXIT.
8040 (propagate_block): Don't remove sibcall_epilogue insns.
8041 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8042 (sibcall_epilogue): New.
8043 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8044 (identify_blocks_1): Likewise. Break out from ...
8045 (identify_blocks): ... here.
8046 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8047 (reorder_blocks): ... here.
8048 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8049 (record_insns): Extend a varray instead of mallocing new memory.
8050 (contains): Read a varray not array of ints.
8051 (sibcall_epilogue_contains): New.
8052 (thread_prologue_and_epilogue_insns): Emit and record
8053 sibcall_epilogue patterns.
8054 (init_function_once): Allocate prologue/epilogue varrays.
8055 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8056 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8058 (save_for_inline_nocopy): ... here.
8059 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8061 (expand_inline_function): ... here.
8062 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8063 (subst_constants): Handle 'n' formats.
8064 * jump.c (jump_optimize_minimal): New.
8065 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8066 optimizations if it's set.
8067 * rtl.c (copy_rtx): Do copy jump & call for insns.
8068 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8069 (SIBLING_CALL_P): New.
8070 (sibcall_use_t): New.
8071 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8072 Invoke optimize_sibling_and_tail_recursive_calls.
8073 * tree.c (lang_safe_for_unsave): New.
8074 (safe_for_unsave): New.
8075 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8077 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8078 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8079 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8081 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8083 * objc/objc-act.c (encode_method_prototype): Pass types, not
8084 PARM_DECLs, to int_size_in_bytes.
8086 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8088 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8090 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8091 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8093 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8095 * Clean up usages of TREE_INT_CST_LOW.
8096 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8097 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8099 * c-tree.h (min_precision): Move declaration to here.
8100 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8101 (build_unary_op, add_pending_init): Use bit_position.
8102 (pending_init_member, process_init_element): Likewise.
8103 (really_start_incremental_init, push_init_level, pop_init_level):
8104 Don't make copies of nodes or modify them in place, use consistent
8105 types when tracking positions, and use tree routines computations.
8106 (set_init_index, output_init_element): Likewise.
8107 (output_pending_init_elements, process_init_element): Likewise.
8108 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8109 tree_low_cst and int_bit_position; also minor cleanup.
8110 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8111 (print_cst_octal): Precision is unsigned.
8112 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8113 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8114 (simple_type_align_in_bits): Result is unsigned int.
8115 Use tree_int_low_cst and host_integerp.
8116 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8117 (field_byte_offset): Result is HOST_WIDE_INT.
8118 Change types of internal variables so alignments are unsigned int,
8119 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8120 Use host_integerp, tree_low_cst, and int_bit_position.
8121 (add_bit_offset_attribute): Likewise.
8122 (add_data_member_location_attribute): Use tree_cst_low.
8123 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8124 (add_bit_size_attribute): Use tree_low_cst.
8125 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8126 * dwarfout.c: Similar changes to dwarf2out.c.
8127 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8128 * genoutput.c (n_occurences): Return -1 for null string.
8129 (strip_whitespace): Accept null string and make into function.
8130 (scan_operands): Reflect above changes.
8131 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8132 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8133 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8134 * tree.c (int_size_in_bytes): Check for too big to represent.
8135 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8136 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8138 (min_precision): Delete from here.
8139 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8140 and int_bit_position.
8141 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8142 (encode_method_def): Likewise.
8143 (build_ivar_list_initializer): Use int_bit_position.
8144 (generate_shared_structures): Convert size.
8145 (encode_type, encode_complete_bitfield): Use integer_zerop.
8146 (encode_bitfield): Use tree_low_cst and int_bit_position.
8148 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8150 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8152 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8154 * call.c (special_function_p): It is only malloc if it returns
8157 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8159 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8160 (C33_FLAG, TARGET_C3X): Add macros.
8161 (TARGET_SWITCHES): Add -m33 option.
8162 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8164 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8166 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8167 (PARALLEL_PACK_FLAG): Delete.
8168 (TARGET_SWITCHES): Update.
8169 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8171 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8173 * fold-const.c (fold): Fix a few cases when the returned result
8174 is not of the same type as the input.
8176 2000-03-16 Nick Clifton <nickc@cygnus.com>
8178 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8181 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8183 * libgcc2.h: Move prototypes above macros with the same name.
8184 Wrap some function prototypes in the conditional which indicates
8185 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8187 2000-03-16 Richard Henderson <rth@cygnus.com>
8189 * calls.c: Revert last two changes.
8191 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8193 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8194 has exponent 0 is a zero.
8196 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8197 HASH may already be nonzero. Add code/mode into hash value
8198 immediately after repeat label.
8199 (cselib_lookup): Don't leave the hash table in an inconsistent
8200 state before a hash lookup operation.
8202 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8204 * i386.md (all HI and QI mode non-move patterns): Conditionize
8205 by TARGET_[HQ]IMODE_MATH.
8206 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8207 x86_promote_qi_regs): Declare.
8208 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8209 TARGET_PROMOTE_QI_REGS): New macros.
8210 (PROMOTE_MODE): New macro.
8211 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8212 x86_promote_qi_regs): New global variables.
8214 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8216 * calls.c (emit_library_call_value_1): Break out from ...; handle
8217 VOIDmode function calls too.
8218 (emit_library_call_value): ... here.
8219 (emit_library_call): Implement by calling emit_library_call_value_1.
8221 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8223 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8224 Update arg_space_so_far on stack adjustments.
8225 (emit_library_call, emit_library_call_value): Likewise; take into
8226 account arg_space_so_far and pending_stack_adjust when calculcating
8229 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8231 * flow.c: Move all basic block reordering code into its own file.
8232 (create_basic_block): Externalize.
8233 * bb-reorder.c: New file. Copy all basic block reordering code from
8234 flow.c to this file.
8235 (reorder_basic_blocks): Fix fencepost error in for-loop.
8236 (reorder_basic_blocks): Remove braces from single statement for-loops.
8237 * basic-block.h: Add declaration for create_basic_block.
8238 * Makefile.in: Add rules for bb-reorder.o.
8240 2000-03-16 Neil Booth <NeilB@earthling.net>
8242 * cppinit.c (handle_option): Implement #unassert directive
8243 as -A- command line option.
8244 (print_help): Update.
8245 * cpptexi.c: Update.
8247 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8249 * md.texi (Standard Names): Document `jump'.
8251 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8253 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8256 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8258 Merge changes from newppc-branch onto trunk.
8260 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8262 * rs6000.c (toc_hash_table): Update for new hash table functions.
8263 (toc_hash_function): Likewise.
8264 (toc_hash_eq): Likewise.
8265 (toc_hash_mark_entry): Likewise.
8266 (toc_hash_mark_table): Likewise.
8267 (output_toc): Likewise.
8268 (rs6000_add_gc_roots): Likewise.
8270 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8272 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8273 (AR_FLAGS_FOR_TARGET): here. New macro.
8275 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8277 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8278 fpmem_operand) Delete.
8280 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8281 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8282 (rs6000_save_machine_status, rs6000_restore_machine_status,
8283 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8284 references to above variables.
8285 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8286 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8287 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8288 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8289 (XER_REGNO_P, XER_REGNO): New.
8290 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8291 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8292 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8294 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8295 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8296 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8298 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8300 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8301 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8302 * rs6000.h: from here.
8304 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8305 (rs6000_select_rtx_section): Likewise.
8306 (rs6000_encode_section_info): Likewise.
8307 (sdata_section): Likewise.
8308 (sdata2_section): Likewise.
8309 (sbss_section): Likewise.
8310 * sysv4.h (rs6000_select_section): Delete prototype.
8311 (rs6000_select_rtx_section): Likewise.
8312 (rs6000_encode_section_info): Likewise.
8313 (sdata_section): Likewise.
8314 (sdata2_section): Likewise.
8315 (sbss_section): Likewise.
8316 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8318 * sysv4.h: Delete various unnecessary #undef's and put a comment
8319 on the remaining ones.
8320 Change various comments according to coding standard.
8322 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8324 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8325 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8326 (CR0_REGNO_P) Remove.
8327 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8328 setup_incoming_varargs, mtcrf_operation, print_operand,
8329 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8330 Use the above macros.
8332 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8334 * config/rs6000/rs6000.md: Added a new alternative for each
8335 pattern that had a 'x' alternative but no 'y' alternative.
8336 Added a new split for each of the above patterns.
8338 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8340 * aix41.h (ASM_CPU_SPEC): Delete.
8341 (CPP_CPU_SPEC): Delete.
8343 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8344 (ASM_OUTPUT_LABEL): Define.
8345 (ASM_GLOBALIZE_LABEL): Define.
8346 (STRIP_NAME_ENCODING): Define.
8347 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8348 (STRIP_NAME_ENCODING): Don't define.
8349 (ASM_OUTPUT_LABEL): Don't define.
8350 (ASM_GLOBALIZE_LABEL): Don't define.
8351 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8352 names, and ASM_OUTPUT_LABEL to output labels, rather than
8354 (ASM_OUTPUT_LABEL): Define.
8355 (ASM_OUTPUT_INT): Use assemble_name.
8356 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8357 (STRIP_NAME_ENCODING): Don't undefine first.
8358 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8360 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8361 specified with 'asm' even with -fleading-underscore.
8362 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8363 (output_epilog): Likewise.
8364 (output_toc): Likewise.
8365 * tramp.asm: Handle -fleading-underscore correctly.
8367 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8369 (nonlocal_goto_receiver): Delete.
8370 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8372 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8373 (SET_ASM_OP): Define.
8374 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8376 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8379 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8380 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8382 * rs6000.h: Add 'u' to more constants.
8384 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8386 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8388 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8390 * rs6000.c (reg_or_u_cint_operand): New function.
8391 (logical_operand): Handle 64-bit hosts.
8392 (logical_u_operand): New function.
8393 (non_logical_cint_operand): Handle 64-bit hosts.
8394 (non_logical_u_cint_operand): New function.
8395 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8396 (PREDICATE_CODES): Define new functions.
8397 * rs6000-protos.h: Declare new functions.
8398 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8399 (movdi_64): Bracket code intended for 64-bit hosts. Create
8400 CONST_DOUBLE for 32-bit values.
8401 (scc insns): Generate DImode compares.
8402 (mfcr insns): Create DImode versions.
8403 (sge matchers): New patterns.
8405 2000-02-15 Gabriel Paubert <paubert@iram.es>
8407 * rs6000.md: Correct instructions length attributes and
8408 constraints on unsigned compare instructions.
8409 (*ne0): Disable for PowerPC64.
8411 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8413 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8414 quantity, fix profile1.C test failure under -fPIC.
8416 * rs6000.c: Add 'u' to many constants to suppress warnings.
8417 (constant_pool_expr_1): Make static.
8418 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8419 * rs6000.h: Add 'u' to many constants to suppress warnings.
8421 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8422 for the start of the TOC, instead of LCTOC..0.
8423 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8425 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8426 (load_toc_aix_di): Use LCTOC..1.
8428 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8429 * rs6000.c (rs6000_legitimize_address): New function from
8430 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8431 symbols in the constant pool that really are TOC references.
8432 (print_operand_address): For ELF, write TOC offsets under
8433 -fPIC as subtractions in the insn.
8434 (output_toc): For ELF, define symbols in TOC as normal labels,
8436 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8437 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8438 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8439 * rs6000.md (movsi): Only use create_TOC_reference on
8440 symbols in the constant pool that really are TOC references.
8442 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8443 * rs6000.c (rs6000_reorg): Delete.
8444 * rs6000-protos.h (rs6000_reorg): Delete.
8446 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8448 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8450 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8451 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8452 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8453 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8454 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8455 rs6000_aix_emit_builtin_unwind_init.
8456 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8457 rs6000_emit_eh_toc_restore on AIX.
8458 (return_eh_si): Use r2.
8459 (return_eh_di): Use r2.
8461 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8462 since we're breaking binary compatibility anyway.
8464 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8466 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8467 constant_pool_expr_p): Declare them.
8468 (constant_pool_expr_p): Declare it.
8469 * config/rs6000/rs6000.c (toc_label_name): Define.
8470 (rs6000_override_options): Set toc_label_name.
8471 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8472 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8473 uses_TOC): New functions.
8474 (print_operand): Delete old '*' case.
8475 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8476 and strip off rtl for TOC before calling output_addr_const.
8477 (rs6000_emit_load_toc_table): Use toc_label_name.
8478 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8480 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8481 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8482 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8483 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8484 into explicit TOC_REGISTER offsets.
8485 (TOC_REGISTER): New macro.
8486 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8487 TARGET_TOC to reference TOC_REGISTER.
8488 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8489 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8490 uses_TOC before emitting label references.
8492 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8494 * rs6000.md (stack_tie): Fix warning.
8496 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8497 to handle -fleading-underscore.
8498 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8499 (USER_LABEL_PREFIX): New macro.
8500 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8501 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8502 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8503 call-linux can use the same multilibs.
8504 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8505 and call-linux multilibs. Do multilib with -fleading-underscore.
8506 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8507 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8510 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8511 have MASK_SOFT_FLOAT set.
8512 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8513 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8514 CPP_FLOAT_DEFAULT_SPEC.
8516 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8517 * rs6000.md: Whitespace change.
8518 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8519 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8521 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8523 * rs6000.md (eh_epilogue): New expander.
8524 (eh_reg_restore): New expand/split/insn combination.
8525 (return_eh_si): New insn.
8526 (return_eh_di): New insn.
8528 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8529 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8530 * eabi-ctors.c (__do_global_ctors): Register this object's
8531 frame. Clean up. Call atexit() after the constructors.
8532 (__do_global_dtors): Deregister this object's frame. Clean up.
8533 Allow for recursive calls to exit().
8534 * rs6000.c (fixuplabelno): New variable.
8535 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8536 TARGET_RELOCATABLE, it slows down exec() under linux.
8537 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8539 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8540 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8541 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8542 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8543 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8544 (ASM_OUTPUT_DWARF_ADDR): New macro.
8545 (ASM_OUTPUT_DWARF_DATA4): New macro.
8546 (ASM_OUTPUT_DWARF_DATA2): New macro.
8547 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8548 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8549 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8551 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8553 * rs6000.c (rs6000_sr_alias_set): New variable.
8554 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8555 (rs6000_emit_stack_tie): New function.
8556 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8557 in a way that dwarf2out can understand.
8558 (rs6000_frame_related): New function.
8559 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8560 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8561 Use rs6000_emit_stack_tie when needed.
8562 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8563 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8564 * rs6000.md (stack_tie): New insn.
8565 (return_internal_si): Allow return value to be in the count
8567 (return_internal_di): Likewise.
8569 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8571 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8573 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8575 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8577 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8579 * rs6000.md (stmw): Use the right POWER opcode.
8582 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8584 * rs6000-protos.h: New file.
8586 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8588 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8591 * sysv4.h: Likewise.
8593 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8595 * ../../configure.in: Delete powerpcle-*-winnt*
8596 and powerpcle-*-pe|powerpcle-*-cygwin*.
8597 * ../../configure: Regenerated.
8599 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8600 (TARGET_WINDOWS_NT): Delete.
8602 (CALL_NT_DLLIMPORT): Delete.
8603 Delete NT-specific code.
8604 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8607 * nt-ci.asm: Delete.
8608 * nt-cn.asm: Delete.
8609 * ntstack.asm: Delete.
8611 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8613 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8614 (ASM_FILE_START): Likewise.
8615 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8616 (ASM_OUTPUT_LABELREF): Likewise.
8617 (ASM_OUTPUT_SKIP): Likewise.
8618 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8619 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8620 (ASM_OUTPUT_CASE_LABEL): Likewise.
8621 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8622 (ASM_OUTPUT_ASCII): Likewise.
8624 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8626 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8627 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8628 increment rs6000_pic_labelno here.
8629 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8630 and increment rs6000_pic_labelno here.
8632 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8634 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8635 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8636 allocation knows (reg) is dead before the insn.
8638 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8640 * rs6000.md (movsi_to_cr): Correct typo in output template.
8642 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8644 * rs6000.c (rs6000_pic_labelno): Always define.
8645 (rs6000_pic_func_labelno): Delete.
8646 (lmw_operation): Check for a zero base register,
8647 which doesn't mean what we want.
8648 (stmw_operation): New function.
8649 (print_operand): Define new 'l' modifier.
8650 (rs6000_stack_info): We must save all 64 bits of the registers
8651 if TARGET_POWERPC64.
8652 (rs6000_output_load_toc_table): Delete.
8653 (rs6000_emit_load_toc_table): New function.
8654 (rs6000_allocate_stack_space): Delete.
8655 (rs6000_emit_allocate_stack): New function.
8656 (rs6000_emit_prologue): New function.
8657 (output_prolog): Use rs6000_emit_prologue.
8658 (rs6000_emit_epilogue): Change a few variable names to be
8659 more accurate. Restore all 64 bits of the registers if
8660 TARGET_POWERPC64. Only restore the FP registers which were used
8661 if they are being saved/restored one-at-a-time.
8662 (output_mi_thunk): Delete inefficient code generation.
8663 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8664 * rs6000.h: Declare rs6000_emit_load_toc_table,
8665 rs6000_allocate_stack_space, stmw_operation. Don't declare
8666 rs6000_output_load_toc_table.
8667 * rs6000.md (elf_high): Allow register 0, but discourage it
8669 (elf_low): Support loading into register 0.
8670 (load_toc_aix_si): New pattern.
8671 (load_toc_aix_di): New pattern.
8672 (load_toc_v4_pic_si): New pattern.
8673 (load_toc_v4_pic_di): New pattern.
8674 (load_toc_v4_PIC_1): New pattern.
8675 (load_toc_v4_PIC_1b): New pattern.
8676 (load_toc_v4_PIC_2): New pattern.
8677 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8678 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8679 (prologue): New expander.
8680 (movesi_from_cr): New pattern.
8681 (stmw): New pattern.
8682 (save_fpregs_si): New pattern.
8683 (save_fpregs_di): New pattern.
8685 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8687 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8692 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8694 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8696 (movsi_got_internal): Likewise.
8697 (movsi_got_internal+1): Likewise.
8698 (set_sp): 'unspec 7' does a SImode clobber.
8700 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8702 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8703 allocate a stack temporary.
8704 (floatsidf2_internal): Likewise.
8705 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8707 (floatunssidf2): Don't use the fpmem "register", just
8708 allocate a stack temporary.
8709 (floatunssidf2_internal): Likewise.
8710 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8712 (floatsidf2_loadaddr): Delete.
8713 (floatsidf2_store1): Delete.
8714 (floatsidf2_store2): Delete.
8715 (floatsidf2_load): Delete.
8716 (fix_truncdfsi2): Don't use the fpmem "register", just
8717 allocate a stack temporary.
8718 (fix_truncdfsi2_internal_si): Delete.
8719 (fix_truncdfsi2_internal_di): Delete.
8720 (fix_truncdfsi2_internal): New insn.
8721 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8722 (fix_truncdfsi2_store): Delete.
8723 (fix_truncdfsi2_load): Delete.
8724 (fctiwz): Produce gen_fctiwz.
8726 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8728 * eabi.h (INVOKE__main): Define.
8729 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8731 (rs6000_emit_prologue): Likewise.
8732 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8733 this is the main program.
8735 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8737 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8739 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8741 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8742 goes after the argument.
8744 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8746 * rs6000.md: Document 'unspec' values used.
8747 (epilogue): New expander.
8748 (movesi_to_cr_one): New expander.
8749 (movesi_to_cr and following): New pattern.
8751 (return_internal_si): New pattern.
8752 (return_internal_di): New pattern.
8753 (return_and_restore_fpregs_si): New pattern.
8754 (return_and_restore_fpregs_di): New pattern.
8755 * rs6000.h: Declare new functions.
8756 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8757 rather than rs6000_calls_p.
8758 (rs6000_makes_calls): Delete.
8759 (lmw_operation): New function.
8760 (mtcrf_operation): New function.
8761 (rs6000_emit_epilogue): New function.
8762 (output_epilog): Call rs6000_emit_epilogue and final if
8763 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8765 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8767 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8768 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8769 * aix.h (SUBTARGET_SWITCHES): Document switches.
8770 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8771 sched-prolog and sched-epilog the same. Document all the
8773 (TARGET_OPTIONS): No longer allow -mdebug-.
8775 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8777 * rs6000.h (ASM_FILE_END): Move to aix.h.
8778 (EXTRA_SECTIONS): Move to aix.h.
8779 (READONLY_DATA_SECTION): Move to aix.h.
8780 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8781 (SELECT_SECTION): Move to aix.h.
8782 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8783 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8784 (LINK_REGISTER_REGNUM): New definition.
8785 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8786 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8788 * sysv4.h: Delete the code between the inclusion of rs6000.h
8790 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8791 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8792 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8793 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8794 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8795 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8796 (fix_truncdfsi2_internal_di): New pattern.
8797 (fix_truncdfsi2_store): The second arg here is Pmode too.
8798 (fix_truncdfsi2_load): The second arg here is Pmode too.
8799 (tablejumpdi): Now that switch tables hold only SImode values,
8800 gcc needs to know how to add them to the pc which is DImode.
8801 * rs6000.c (rs6000_stack_info): Use symbolic name for
8802 LINK_REGISTER_REGNUM.
8803 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8804 (output_toc): Delete unused variables s1 and s2.
8805 (output_ascii): Use fputs not fprintf on a variable string.
8807 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8809 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8810 * aix43.h: Revert Aug 2 change.
8811 (HAS_INIT_SECTION): Define, not visible yet.
8812 (LD_INIT_SWITCH): Define, not visible yet.
8813 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8815 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8817 * config/rs6000/rtems.h: Include config/rtems.h.
8819 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8821 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8822 (SLOW_UNALIGNED_ACCESS): Define.
8823 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8824 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8825 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8826 (toc_section): Likewise and .toc pseudo-op.
8827 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8829 (TEXT_SECTION_ASM_OP): Likewise.
8830 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8833 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8835 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8836 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8839 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8841 * rs6000.h: Move more stuff from here...
8843 * sysv4.h: Cleanup accordingly.
8844 * netware.h: Likewise
8846 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8848 * rs6000.h: Continue cleanup.
8851 * netware.h: Likewise.
8853 * sysv4.h: Likewise.
8854 * win-nt.h: Likewise.
8856 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8857 (TARGET_OPTIONS): Likewise.
8859 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8860 (SUBTARGET_OPTIONS): Likewise.
8862 * rs6000.md: Fix compile time warnings.
8864 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8866 vxworks patches from the Cygnus tree originally by
8867 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8868 <vmakarov@cygnus.com>.
8869 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8870 (ENDFILE_SPEC): Likewise.
8871 (LIB_VXWORKS_SPEC): New macro.
8872 (STARTFILE_VXWORKS_SPEC): New macro.
8873 (ENDFILE_VXWORKS_SPEC): New macro.
8874 (LINK_START_VXWORKS_SPEC): New macro.
8875 (LINK_OS_VXWORKS_SPEC): New macro.
8876 (CPP_OS_VXWORKS_SPEC): New macro.
8877 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8878 * vxppc.h: Rewrite to use proper configuration method.
8879 * vxppcle.h: New file.
8880 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8881 * ../../configure: Rebuilt.
8883 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8885 Lots of changes to rs6000.h, sysv4.h, aix.h,
8886 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8887 with the aim that rs6000.h is the first header
8888 included and the others override it.
8891 * x-aix41-gld: Remove.
8893 * x-aix41: Remove target-specific switches, and don't specify
8894 -Wl,-bbigtoc as we don't need it any more.
8895 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8896 Use t-aix43 for AIX 4.3 and above.
8897 * ../../configure: Regenerated.
8899 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8900 options, that don't do anything yet.
8901 (MASK_SCHED_PROLOG): New macro.
8902 (MASK_SCHED_EPILOG): New macro.
8903 (TARGET_SCHED_PROLOG): New macro.
8904 (TARGET_SCHED_EPILOG): New macro.
8906 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8908 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8909 one per translation unit, not one per function.
8910 (output_toc): Also do duplicate constant elimination
8911 for per-translation-unit TOCs.
8913 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8914 a comment explaining _exactly_ when this pattern gets used.
8915 (builtin_setjmp_receiver): New pattern for better clarity.
8916 (init_v4_pic): Move it into a section dealing with TOC registers.
8918 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8920 * rs6000.c (toc_hash_table): New variable.
8921 (rs6000_hash_constant): New function.
8922 (toc_hash_function): New function.
8923 (toc_hash_eq): New function.
8924 (toc_hash_mark_entry): New function.
8925 (toc_hash_mark_table): New function.
8926 (output_toc): Don't output duplicate TOC entries in
8928 (rs6000_add_gc_roots): Add the hash table as a GC root.
8929 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8930 where they clearly shouldn't be. This may need to be fixed
8931 later when there is a GNU ar for AIX.
8932 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8933 Don't define BOOT_LDFLAGS as it is now not necessary.
8935 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8937 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8938 for va_list on AIX. Use unsigned_char_type_node rather than
8939 constructing our own version on svr4.
8941 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8943 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8944 since patently it's not.
8946 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8948 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8949 define_expand/define_insn pair, and handle restore of the
8950 SVR4 -fpic register.
8952 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8954 * acconfig.h (HAVE_GAS_WEAK): New define.
8955 * configure.in (assembler weak support): Check for .weak support.
8956 * config.in, configure: Rebuilt.
8957 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8958 HAVE_GAS_WEAK is defined.
8960 2000-03-15 Nick Clifton <nickc@cygnus.com>
8962 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8965 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8967 * cppfiles.c (open_include_file): New function.
8968 (find_include_file, cpp_read_file): Use it.
8970 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8972 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8974 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8976 * flow.c (verify_flow_info): Check for unconditional return.
8978 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8980 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8981 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8982 (__ia64_restore_stack_nonlocal): New.
8983 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8985 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8987 * cpphash.c (collect_formal_parameters): Do not complain about
8988 parameter names that just start with `__VA_ARGS__'.
8990 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8992 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8993 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8994 * i386.c (pentiumpro_cost): Set mul cost to 4.
8995 (x86_use_movx): Set for PPro.
8997 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8999 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9000 STACK_BOUNDARY for empty frames now.
9002 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9004 * stor-layout.c (layout_union): Remove.
9005 (layout_union_field): New function, split out from layout_union.
9006 (finish_union_layout): Likewise.
9007 (layout_field): Handle unions by calling layout_union_field.
9008 (finish_record_layout): Handle unions.
9009 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9010 QUAL_UNION_TYPE handling.
9012 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9014 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9015 end of basic block is jump_insn, not barrier; use create_basic_block
9016 instead of creating basic block by hand.
9018 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9020 * flow.c (reorder_basic_blocks): Account for barriers when writing
9021 over NEXT_INSN (last_bb->end).
9022 (verify_flow_info): Add check for missing barriers.
9024 2000-03-14 Greg McGary <gkm@gnu.org>
9026 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9027 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9028 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9029 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9030 __unbounded, __unbounded__): New keywords.
9031 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9032 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9033 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9035 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9037 * cselib.h: New file.
9038 * alias.c: Include "cselib.h".
9039 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9040 MEMs as two new arguments.
9041 (get_addr): New static function.
9042 (find_base_term): Handle VALUEs.
9043 (memrefs_conflict_p): Likewise.
9044 (true_dependence): Call get_addr on the addresses.
9045 Call fixed_scalar_and_varying_struct_p with addresses that have been
9046 passed through get_addr and canon_rtx.
9047 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9048 with true_dependence.
9049 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9050 * loop.c: Include "cselib.h".
9051 (load_mems): Process extended basic block that enters the loop with
9052 cselib. Use that information to change initialization of the shadow
9053 register so that a constant equivalence is seen by later passes.
9054 * reload1.c: Include "cselib.h".
9055 (reload_cse_invalidate_regno): Delete function.
9056 (reload_cse_mem_conflict_p): Likewise.
9057 (reload_cse_invalidate_mem): Likewise.
9058 (reload_cse_invalidate_rtx): Likewise.
9059 (reload_cse_regno_equal_p): Likewise.
9060 (reload_cse_check_clobber): Likewise.
9061 (reload_cse_record_set): Likewise.
9062 (reg_values): Delete static variable.
9063 (invalidate_regno_rtx): Likewise.
9064 (reload_cse_delete_noop_set): New static function.
9065 (reload_cse_simplify): New static function, broken out of
9067 (reload_cse_noop_set_p): Delete unused argument INSN.
9068 Just call rtx_equal_for_cselib_p on set source and destination.
9069 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9070 reload_cse_delete_noop_set. Delete code to keep track of values; use
9071 cselib functions instead. Delete code to push/pop obstacks.
9072 (reload_cse_simplify_set): Use cselib to find equivalent values.
9073 Delete code to push/pop obstacks.
9074 (reload_cse_simplify_operands): Likewise.
9075 * rtl.def (VALUE): New rtx code.
9076 * rtl.h (union rtunion_def): New elt rt_cselib.
9077 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9078 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9079 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9080 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9081 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9082 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9083 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9084 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9085 cselib_record_set, cselib_record_sets): New static functions.
9086 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9087 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9088 references_value_p): New functions.
9089 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9090 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9091 n_useless_values, reg_values, callmem, cselib_obstack,
9092 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9093 New static variables.
9094 * varray.h (union varray_data_tag): New elt te.
9095 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9096 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9099 2000-03-14 Nick Clifton <nickc@cygnus.com>
9101 * gcc.c (do_spec_1): Catch the case where %* is used in a
9102 substitution pattern, but it has not been initialised.
9103 Issue a meaningful error message if an unrecognised operator
9104 is encountered in a spec string.
9106 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9108 * function.c (prepare_function_start): Correctly initialize
9109 cfun->stack_alignment_needed.
9111 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9113 * cppfiles.c (find_include_file): Don't assume nshort is a
9116 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9118 * configure.in (hppa configurations): Add pa32-regs.h to the
9119 list of tm files as appropriate.
9120 * configure: Rebuilt.
9121 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9123 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9124 (fmpyaddoperands, fmpysuboperands): Likewise.
9125 * pa.h: Remove various definitions which depend on knowing
9126 how registers are numbered.
9127 * pa32-regs.h: New file with PA32 register numbering specific
9130 2000-03-14 Richard Henderson <rth@cygnus.com>
9132 * regmove.c (combine_stack_adjustments): New.
9133 (stack_memref_p, single_set_for_csa): New.
9134 (free_csa_memlist, record_one_stack_memref): New.
9135 (try_apply_stack_adjustment): New.
9136 (combine_stack_adjustments_for_block): New.
9137 * rtl.h (combine_stack_adjustments): Declare.
9138 * toplev.c (rest_of_compilation): Call it.
9140 * i386.md: Revert 2000-01-16 change.
9142 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9144 * gccbug.in: Add web category, gcc specific classes.
9146 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9148 * stor-layout.c (finalize_record_size): Fix typo.
9150 2000-03-14 Stan Shebs <shebs@apple.com>
9152 * c-typeck.c (c_alignof): Error on incomplete types.
9153 * extend.texi (Alignment): Document this.
9155 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9157 * cppfiles.c: Include mkdeps.h.
9158 (find_include_file, read_include_file): Remove _cpp_ prefix
9159 from name, make static.
9160 (_cpp_execute_include): New function, broken out of
9163 * cpplib.c: Don't include mkdeps.h.
9164 (struct directive): Remove type field. Reorder entries. The
9165 function takes only one argument.
9166 (struct if_stack): Make type field an int.
9167 (directive_table): Rename to dtable. Generate it, the
9168 prototypes of the directive handlers, and the enum for the
9169 directive numbers, from a template macro.
9170 (do_ifndef, do_include_next, do_import): New functions.
9171 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9172 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9173 do_ident, do_assert, do_unassert, do_sccs): Take only one
9175 (do_sccs): Define always, but alter behavior based on
9177 (_cpp_handle_directive, consider_directive_while_skipping):
9178 Restructure for new directive table layout.
9180 (pass_thru_directive): Take a directive number, not a pointer
9181 to a struct directive.
9182 (parse_include): New function, broken out of do_include.
9183 (do_include, do_import, do_include_next): Use parse_include
9184 and _cpp_execute_include.
9185 (do_elif, do_else): Test for T_ELSE specifically when checking
9186 for #elif/#else after #else.
9187 (parse_ifdef): New function, broken out of do_ifdef.
9188 (validate_else): Expect a name arg without a leading #.
9189 (if_directive_name): Delete.
9190 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9191 directive handlers with only one argument.
9193 * cpphash.h: Update prototypes.
9194 (enum node_type): Remove entries for directives.
9195 * Makefile.in: Update dependencies.
9197 * cpphash.c (dump_hash_helper): Only dump nodes of type
9198 T_MACRO. Emit a newline after each definition.
9200 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9202 * gccbug.in: New file.
9203 * configure.in (all_outputs): Add gccbug.
9204 * Makefile.in (install-common): Install gccbug.
9205 (GCCBUG_INSTALL_NAME): New variable.
9206 * configure: Rebuilt.
9208 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9210 * function.c (put_var_into_stack): Use type_for_mode to calculate
9211 part_type. Use MEM_SET_IN_STRUCT_P.
9212 * expr.c (store_field): Handle CONCAT.
9213 (store_constructor): Use fields_length.
9214 * tree.c (fields_length): New fn.
9215 * tree.h: Declare it.
9217 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9219 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9220 (cpplex.o): New target.
9221 * po/POTFILES.in: Add cpplex.c.
9223 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9224 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9225 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9226 skip_block_comment, skip_line_comment, skip_comment,
9227 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9228 _cpp_parse_name, skip_string, parse_string,
9229 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9230 _cpp_get_directive_token, find_position,
9231 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9232 (maybe_macroexpand, _cpp_lex_token): New functions.
9234 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9235 parse_goto_mark): Delete.
9236 (_cpp_handle_eof): New function.
9237 (_cpp_handle_directive): Rename from handle_directive.
9238 (_cpp_output_line_command): Rename from output_line_command.
9239 (do_if, do_elif): Call _cpp_parse_expr directly.
9240 * cppfiles.c (_cpp_read_include_file): Don't call
9241 init_input_buffer here.
9242 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9243 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9244 here; pop the token_buffer and skip the rest of the line here.
9245 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9248 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9250 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9251 CPP_GOTO_MARK): New macros.
9252 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9253 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9254 _cpp_read_and_prescan, _cpp_init_input_buffer,
9255 _cpp_grow_token_buffer, _cpp_get_directive_token,
9256 _cpp_handle_directive, _cpp_handle_eof,
9257 _cpp_output_line_command): Prototype them here.
9258 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9259 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9260 quote_string, output_line_command): Remove.
9262 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9264 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9265 whether it is too large we must also verify that it isn't negative.
9267 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9269 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9270 (movsi_zero_liveg0): Remove.
9271 (movsf_insn_novis_liveg0): Remove.
9273 (negsi2_not_liveg0): Rename to negsi2.
9274 (one_cmplsi2): Remove.
9275 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9276 (one_cmplsi2_liveg0): Remove.
9277 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9278 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9279 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9280 (PREDICATE_CODES): Remove zero_operand.
9281 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9282 TARGET_BROKEN_SAVERESTORE.
9283 (zero_operand): Remove.
9284 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9285 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9287 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9288 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9289 TARGET_BROKEN_SAVERESTORE): Remove.
9290 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9292 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9294 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9297 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9299 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9301 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9302 truncating a string. Don't assume tokens are nul terminated.
9303 Problem noted by Andreas Jaeger <aj@suse.de>
9305 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9307 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9308 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9309 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9311 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9313 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9314 STRUCTURE_SIZE_BOUNDARY.
9316 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9318 * tree.h (record_layout_info_s): New structure.
9319 (record_layout_info): New type.
9320 (new_record_layout_info): New function.
9321 (layout_field): Likewise.
9322 (finish_record_layout): Likewise.
9323 * stor-layout.c (layout_record): Remove.
9324 (new_record_layout_info): New function.
9325 (layout_field): New function, broken out from layout_record.
9326 (finalize_record_size): Likewise.
9327 (compute_record_mode): Likewise.
9328 (finalize_type_size): New function, broken out from layout_type.
9329 (finish_record_layout): Likewise.
9330 (layout_type): Use them.
9332 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9334 * cpphash.c: Don't include version.h.
9335 (special_symbol) [case T_VERSION]: Look for the string in
9336 hp->value.cpval; don't use version_string.
9337 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9338 __VERSION__ to version_string.
9339 * Makefile.in (cpphash.o): Update deps.
9341 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9343 Convert cpplib to use libiberty/hashtab.c.
9345 * cpplib.h (struct cpp_reader): Make hashtab and
9346 all_include_files of type 'struct htab *'. Delete HASHSIZE
9347 and ALL_INCLUDE_HASHSIZE macros.
9349 * cpphash.h: Update prototypes.
9350 (struct hashnode): Remove next, prev, and bucket_hdr members.
9351 Make length a size_t. Add hash member.
9352 (struct ihash): Remove next member. Add hash member. Make
9353 name a flexible array member.
9355 * cppfiles.c: Include hashtab.h.
9356 (include_hash): Delete.
9357 (IHASHSIZE): New macro.
9358 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9359 (cpp_included): Do the hash lookup here.
9360 (_cpp_find_include_file): Rewrite.
9361 (cpp_read_file): Put the "fake" hash entry into the hash
9362 table. Honor the control_macro, if it turns out we've seen
9363 the file before. Don't push the buffer here.
9364 (_cpp_read_include_file): Push the buffer here.
9365 (OMODES): New macro. Use it whenever we call open(2).
9367 * cpphash.c: Include hashtab.h.
9368 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9369 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9370 _cpp_lookup_slot): New functions.
9371 (HASHSIZE): new macro.
9372 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9373 (_cpp_lookup): Use hashtab.h routines.
9375 * cppinit.c: Include hashtab.h.
9376 (cpp_reader_init): Call _cpp_init_macro_hash and
9377 _cpp_init_include_hash. Don't allocate hashtab directly.
9378 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9379 pfile->all_include_files.
9380 (initialize_builtins): Use _cpp_make_hashnode and
9381 htab_find_slot to add hash entries.
9382 (cpp_finish): Just call _cpp_dump_macro_hash.
9383 * cpplib.c: Include hashtab.h.
9384 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9385 create hash entries.
9386 (do_pragma_poison, do_assert): Likewise.
9387 (do_include): Don't push the buffer here. Don't increment
9388 system_include_depth unless _cpp_read_include_file succeeds.
9389 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9391 (do_pragma_implementation): Use alloca to create copy.
9393 * Makefile.in: Update dependencies.
9395 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9397 * cppinit.c (cl_directive_handler): More K&R fixing.
9399 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9401 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9403 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9405 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9407 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9408 Change from char[] to macros.
9410 2000-03-12 Neil Booth <NeilB@earthling.net>
9412 * cppinit.c (cpp_start_read): Update indirect function
9415 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9417 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9420 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9421 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9423 2000-03-11 Neil Booth <NeilB@earthling.net>
9425 * cppinit.c (struct pending option): Replace undef with a
9426 pointer to a directive handling routine.
9427 (struct cpp_pending): Replace separate assert_ and define_
9428 lists with one directive_ list.
9429 (new_pending_define): Rename new_pending_directive. Extra
9430 argument is the directive's handling routine.
9431 (handle_option): Update to use new_pending_directive.
9433 2000-03-11 Neil Booth <NeilB@earthling.net>
9435 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9436 remap_filename, _cpp_read_include_file, actual_directory,
9437 hack_vms_include_specification): Replace bcopy(), index() etc
9438 calls. Add casts to some allocations. Make some variables
9439 pointers to const [unsigned] char.
9440 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9441 collect_formal_parameters): Similarly.
9442 * cppinit.c (struct pending_option, append_include_chain,
9443 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9444 cpp_start_read, new_pending_define, handle_option): Similarly.
9445 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9446 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9447 do_pragma_implementation, detect_if_not_defined,
9448 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9449 do_assert, do_unassert): Similarly.
9450 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9451 function prototypes.
9452 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9454 2000-03-10 Richard Henderson <rth@cygnus.com>
9456 * builtins.c (expand_builtin_strlen): Revert last change.
9457 Use emit_insn_before if we're at the beginning of a sequence.
9459 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9461 * builtins.c (expand_builtin_strlen): Make sure that we have something
9462 at the beginning of the sequence.
9464 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9467 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9469 2000-03-10 Richard Henderson <rth@cygnus.com>
9471 * except.c (can_throw): Use INTVAL on a CONST_INT.
9472 (reachable_handlers): Likewise.
9473 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9475 2000-03-10 Andreas Jaeger <aj@suse.de>
9477 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9478 MD_STARTFILE_PREFIX since those are not needed on linux.
9479 (ASM_FILE_START): New, from mips/gnu.h.
9481 2000-03-09 Richard Henderson <rth@cygnus.com>
9482 Alex Samuel <samuel@codesourcery.com> and others
9484 * Makefile.in (ssa.o): New rule.
9486 (STAGESTUFF): Add *.ssa and *.ussa.
9487 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9488 * rtl.def (PHI): New RTL expression.
9489 * rtl.h (clear_log_links): New declaration.
9490 (convert_to_ssa): Likewise.
9491 (convert_from_ssa): Likewise.
9492 * flow.c (split_edge): If the entry node falls through to the
9493 split edge's source block, split the entry edge.
9494 (clear_log_links): New function.
9495 * toplev.c (ssa_dump): New variable.
9496 (flag_ssa): Likewise.
9497 (f_options): Add "ssa".
9498 (compile_file): Create SSA dump files.
9499 (rest_of_compilation): Go to and from SSA if enabled.
9500 (decide_d_option): Handle -de for SSA dump files.
9503 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9505 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9508 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9510 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9512 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9514 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9515 (MD_STARTFILE_PREFIX_1): New macro.
9517 2000-03-09 Robert Lipe <robertl@sco.com>
9519 * config/ia64/ia64.c: Include system.h.
9521 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9523 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9524 (init_eh_nesting_info): Likewise.
9526 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9527 (TREE_NOTHROW): Rename from TREE_RAISES.
9528 * toplev.c (rest_of_compilation): Set it.
9529 * print-tree.c (print_node): Adjust.
9530 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9531 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9532 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9533 REG_EH_REGION note as appropriate.
9534 (libfunc_nothrow): New fn.
9535 (emit_library_call, emit_library_call_value): Use it.
9536 (expand_call): Check TREE_NOTHROW.
9538 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9539 DECL_ASSEMBLER_NAME.
9541 2000-03-09 Andreas Jaeger <aj@suse.de>
9543 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9544 (TARGET_MEM_FUNCTIONS): Define.
9546 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9548 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9550 * except.c (can_throw): See through a SEQUENCE.
9551 (nothrow_function_p): New fn.
9552 * except.h: Declare it.
9553 * function.c (current_function_nothrow): New var.
9554 (prepare_function_start): Initialize it.
9555 * output.h: Declare it.
9556 * toplev.c (rest_of_compilation): Set it.
9557 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9559 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9561 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9562 match. (cpp_compare_defs): Count the nul separator when
9563 advancing over argument names.
9565 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9567 * recog.c (preprocess_constraints): Matching constraints affect
9568 same alternative/different operand, not same operand/different
9571 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9572 register and a constant specially.
9574 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9576 * libgcc2.h: New file.
9577 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9579 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9581 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9582 * configure: Regenerate.
9585 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9587 * Makefile.in (LIBCPP_DEPS): New macro.
9588 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9590 * cpperror.c: Include cpphash.h.
9591 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9593 (lex): Don't use CPP_WARN_UNDEF.
9594 (_cpp_parse_expr): Return an int, the truth value.
9595 * cppfiles.c: Include cpphash.h.
9596 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9597 * cppinit.c (include_defaults_array): Disentangle.
9598 (cpp_cleanup): Don't free the if stack here.
9599 (cpp_finish): Pop off all buffers, not just one.
9600 * cpplib.c (eval_if_expr): Return int.
9601 (do_xifdef): Rename do_ifdef.
9602 (handle_directive): Don't use CPP_PREPROCESSED.
9603 (cpp_get_token): Don't use CPP_C89.
9604 * fix-header.c: Don't use CPP_OPTIONS.
9606 * cpplib.h: Move U_CHAR, enum node_type, struct
9607 file_name_list, struct ihash, is_idchar, is_idstart,
9608 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9609 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9610 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9611 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9612 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9613 of _cpp_simplify_pathname, _cpp_find_include_file,
9614 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9615 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9617 Change all uses of U_CHAR to be unsigned char instead.
9618 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9620 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9622 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9623 (dwarf2out_begin_prologue): Set it.
9624 (output_call_frame_info): Don't emit EH unwind info for leaves.
9626 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9627 can occur outside of an EH region.
9628 * except.c: Correct comments about rethrow behavior.
9629 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9631 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9633 * flow.c (make_edges): Always call make_eh_edge for calls.
9635 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9637 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9638 (struct cpp_buffer): Remove fname and underflow fields.
9639 (struct cpp_reader): Remove get_token field.
9640 (struct include_hash): Rename to struct ihash. Add typedef to
9642 (struct if_stack): Remove fname field.
9643 (IF_STACK_FRAME): Rename to IF_STACK.
9645 * cpperror.c (print_containing_files): Trust that there are no
9646 macro buffers below the top file buffer.
9647 * cppfiles.c: Replace all references to 'struct include_hash'
9648 with 'IHASH'. Rename initialize_input_buffer to
9649 init_input_buffer. Don't set or reference cpp_buffer->fname,
9650 use buffer->ihash->name instead.
9651 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9652 not CPP_NULL_BUFFER.
9653 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9654 IF_STACK_FRAME, IHASH not struct include_hash.
9655 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9656 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9657 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9658 references to cpp_buffer->fname (delete entirely, or use
9659 ->ihash->name instead) and IF_STACK->fname.
9660 (cpp_push_buffer): Don't set new->underflow.
9661 (do_include): Use cpp_file_buffer.
9663 * cpphash.c (collect_formal_parameters): Remove duplicate
9664 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9665 used as a macro argument name. Don't append "..." to namebuf
9666 for varargs macros. After we're done scanning, go through
9667 namebuf and make it NUL separated, not comma separated.
9668 (_cpp_compare_defs): Remove register tag from variables.
9669 Expect defn->argnames to be NUL separated.
9670 (_cpp_dump_definition): Expect defn->argnames to be NUL
9671 separated and in forward order.
9672 * cpphash.h: Update documentation of argnames field.
9674 2000-03-08 Richard Henderson <rth@cygnus.com>
9676 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9677 to fail. Don't pre-expand the source operand.
9679 * i386.md (strlensi): Initialize eoschar and align before use.
9681 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9683 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9684 CONSTRUCTOR element.
9686 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9688 * mips.c (mips_expand_prologue): If the last
9689 named argument is the vararg marker "va_list", treat it as
9690 an unnamed argument.
9692 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9694 * dbxout.c (dbxout_parms): When correcting for promoted
9695 big-endian parameters, use the mode of the DECL_RTL rather
9696 than UNITS_PER_WORD.
9698 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9700 * c-common.h (make_fname_decl): Declare.
9701 * c-common.c (make_fname_decl): Define.
9702 (declare_hidden_char_array): Remove.
9703 (declare_function_name): Use make_fname_decl.
9704 * c-decl.c (c_make_fname_decl): New function.
9705 (init_decl_processing): Set make_fname_decl.
9707 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9709 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9711 2000-03-07 Philipp Thomas <pthomas@suse.de>
9713 * po/POTFILES.in: Remove cppalloc.c from file list.
9715 2000-03-07 Steve Chamberlain <sac@pobox.com>
9717 * pj.c (pj_expand_prologue): current_function->args_info is
9718 now current_function_args_info.
9720 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9721 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9722 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9724 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9726 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9727 output as hexadecimal rather than the default octal.
9729 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9731 * cpphash.c (special_symbol): Fix thinko in previous commit.
9733 2000-03-07 Neil Booth <NeilB@earthling.net>
9735 * cppexp.c (struct operation, left_shift, right_shift,
9736 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9737 "int"s to "unsigned int"s.
9738 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9740 * cpplib.h: Update for above.
9741 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9742 returned from allocations.
9744 * cppinit.c (opt_comp, parse_options): New functions.
9745 (handle_option): Use parse_option to parse a single command
9746 line option, that possibly takes an argument.
9747 (cpp_handle_options): Sort the array of command line options on
9748 first invocation (non-ASCII hosts only).
9749 (print_help): Update.
9751 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9753 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9754 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9756 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9758 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9760 * cpperror.c (cpp_print_containing_files,
9761 cpp_print_file_and_line, v_cpp_message): Rename to
9762 print_containing_files, print_file_and_line, and v_message.
9763 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9764 to _cpp_parse_expr, parse_escape, and lex.
9765 (parse_charconst): Remove broken multibyte support.
9766 * cppfiles.c (include_hash): Make static.
9767 (cpp_included): New function.
9768 (merge_include_chains, find_include_file, finclude,
9769 simplify_pathname): Rename to _cpp_merge_include_chains,
9770 _cpp_find_include_file, _cpp_read_include_file, and
9771 _cpp_simplify_pathname.
9772 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9773 cpp_install, create_definition, macroexpand, compare_defs,
9774 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9775 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9776 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9777 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9779 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9781 * cpphash.h: Update prototypes.
9782 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9784 2000-03-07 Andrew Haley <aph@cygnus.com>
9786 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9787 PTRDIFF_TYPE should be based solely on Pmode.
9790 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9792 * rtl.h (rtunion_def): Constify member `rtstr'.
9793 (emit_line_note_after, emit_line_note, emit_line_note_force,
9794 emit_note, decode_asm_operands): Constify.
9796 * cse.c (canon_hash): Likewise.
9798 * dbxout.c (dbxout_block): Likewise.
9800 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9801 v_warning_for_asm): Likewise.
9803 * dwarfout.c (function_start_label): Likewise.
9805 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9806 emit_line_note_force): Likewise.
9808 * final.c (last_filename, asm_insn_count, final_scan_insn,
9809 output_source_line): Likewise.
9811 * function.h (struct emit_status): Likewise.
9813 * gcse.c (hash_expr_1): Likewise.
9815 * genattr.c (gen_attr, main): Likewise.
9817 * genattrtab.c (struct function_unit, current_alternative_string,
9818 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9819 attr_numeral, check_attr_test, check_attr_value,
9820 convert_set_attr_alternative, convert_set_attr,
9821 compute_alternative_mask, simplify_by_exploding, gen_attr,
9822 gen_unit): Likewise.
9824 * genflags.c (gen_insn): Likewise.
9826 * gengenrtl.c (type_from_format): Likewise.
9828 * genopinit.c (gen_insn): Likewise.
9830 * genoutput.c (n_occurrences, process_template, process_template):
9833 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9836 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9839 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9840 ggc_set_mark, ggc_get_size): Likewise.
9842 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9844 * optabs.c (init_one_libfunc): Likewise.
9846 * output.h (assemble_start_function): Likewise.
9848 * recog.c (decode_asm_operands): Likewise.
9850 * toplev.c (rest_of_compilation): Likewise.
9852 * tree.h (emit_line_note_after, emit_line_note,
9853 emit_line_note_force): Likewise.
9855 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9856 asm_emit_uninitialised, assemble_start_function,
9857 assemble_variable, const_hash, compare_constant_1,
9858 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9860 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9862 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9864 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9866 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9868 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9869 arm_dllimport_name_p): Likewise.
9871 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9874 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9876 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9878 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9879 arm_mark_dllexport, arm_mark_dllimport,
9880 arm_pe_encode_section_info): Likewise.
9882 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9883 ASM_FINISH_DECLARE_OBJECT): Likewise.
9885 * arm/thumb.c (thumb_function_prologue): Likewise.
9887 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9889 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9891 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9893 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9895 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9897 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9899 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9900 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9902 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9904 * i386/i386.c (asm_output_function_prefix): Likewise.
9906 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9908 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9910 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9912 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9913 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9914 ASM_OUTPUT_SECTION_NAME): Likewise.
9916 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9918 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9920 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9922 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9924 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9926 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9928 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9930 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9932 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9934 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9936 * mips/mips.md (movdi, movsi): Likewise.
9938 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9940 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9942 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9944 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9945 ASM_OUTPUT_ASCII): Likewise.
9947 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9948 output_mi_thunk, output_toc): Likewise.
9950 * rs6000/rs6000.md (movsi): Likewise.
9952 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9954 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9956 * v850/v850.c (print_operand, print_operand_address,
9957 v850_encode_data_area): Likewise.
9959 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9961 * config/mips/mips.md (zero_extendsidi2): Always force operand
9962 one to memory for mips16.
9964 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9966 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9967 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9968 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9969 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9970 (min_precision): Result is unsigned.
9971 (add_double, neg_double, mul_double): Low word is unsigned.
9972 (lshift_double, rshift_double, lrotate_double): Likewise.
9973 (rrotate_double, div_and_round_double): Likewise.
9974 (tree_floor_log2, compare_tree_int): New functions.
9975 (preserve_rtl_expr_temps): New declaration.
9976 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9977 (decl_attributes): Use tree_log2 to find alignment.
9978 Check for TREE_INT_CST_HIGH for format args.
9979 (min_precision): Now unsigned.
9980 Use tree_floor_log2.
9981 (truthvalue_conversion): Delete long-disabled code.
9982 * c-decl.c (finish_struct): Clean up tests on field width.
9983 (finish_function): Use compare_tree_int.
9984 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9985 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9986 (default_conversion, digest_init): Use compare_tree_int.
9987 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9988 Fix type errors in forming masks.
9989 * calls.c (initialize_argument_information): Use compare_tree_int.
9990 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9991 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9992 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9993 (store_field): Use compare_tree_int.
9994 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9995 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9996 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9997 (do_store_flag): Use compare_tree_int.
9998 * fold-const.c (encode, decode): Low part is always unsigned.
9999 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10000 (lshift_double, rshift_double, lrotate_double): Likewise.
10001 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10002 (fold_convert): Use compare_tree_int.
10003 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10004 (invert_truthvalue, case INTEGER_CST): Likewise.
10005 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10006 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10007 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10008 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10010 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10011 (expand_end_case): Use compare_tree_int.
10012 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10013 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10014 (layout_decl): Likewise.
10015 (layout_record, layout_union): Make sizes unsigned.
10016 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10017 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10018 * tree.c (struct type_hash): hashcode is unsigned.
10019 (build_type_attribute_variant, type_hash_list): Likewise.
10020 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10021 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10022 (build_complex_type): Likewise.
10023 (real_value_from_int_cst): Remove unneeded casts.
10024 (integer_all_onesp): Add casts.
10025 (tree_floor_log2, compare_tree_int): New functions.
10026 (build_index_type): Use tree_int_cst_sgn.
10027 * varasm.c (assemble_variable): Use compare_tree_int.
10029 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10031 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10033 * varasm.c (make_decl_rtl): Don't add a number to members of
10035 (make_function_rtl): Likewise.
10037 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10039 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10040 patch from 2000-01-28.
10042 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10044 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10045 filled with an insn from the jump target.
10047 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10049 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10050 (c4x_external_ref): Likewise.
10051 * config/c4x/c4x.c (struct name_list): Likewise.
10053 1999-12-16 Ben Collins <bcollins@debian.org>
10055 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10056 argument to genmultilib.
10057 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10058 the contents into the multilib.h header.
10059 * gcc.c: Declare multilib_exclusions for the specs file.
10060 (set_multilib_dir): Use it.
10061 (print_multilib_info): Likewise.
10062 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10063 to pass to genmultilib.
10065 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10067 * builtins.c (built_in_class_names, built_in_names): Constify a
10070 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10072 (_mcleanup): Ensure value matches format specifier in sprintf.
10074 * cpphash.c (special_symbol): Don't needlessly cast away
10077 * cppinit.c (base_name): Delete unused prototype.
10079 * mkdeps.c (deps_init): Make definition K&R safe.
10081 * tree.h (built_in_class_names, built_in_names): Constify a
10084 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10086 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10087 floating point instructions for epilogue delay.
10089 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10090 to gas if it supports .register pseudo.
10092 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10093 LONG_DOUBLE_TYPE_SIZE if not defined.
10094 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10095 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10096 * real.c: Likewise.
10097 * gengenrtl.c: Likewise.
10098 * print-rtl.c: Likewise.
10100 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10101 MASK_LONG_DOUBLE_128.
10102 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10103 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10104 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10105 (SUBTARGET_SWITCHES): Define.
10106 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10107 with -mlong-double-128.
10108 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10109 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10110 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10111 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10112 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10113 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10114 with -mlong-double-128.
10115 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10116 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10117 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10118 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10119 TARGET_LONG_DOUBLE_128): Define.
10120 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10121 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10122 long double on TARGET_ARCH64.
10124 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10126 * function.c (free_temps_for_rtl_expr): Don't free slots
10127 that have been pushed into a higher level.
10130 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10132 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10134 * basic-block.h (ALLOCA_REG_SET): Remove.
10135 (INITIALIZE_REG_SET): New macro.
10136 * flow.c (update_life_info): Use it.
10137 (calculate_global_regs_live): Likewise.
10138 (propagate_block): Likewise.
10139 * global.c (build_insn_chain): Likewise.
10140 * haifa-sched.c (schedule_region): Likewise.
10142 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10144 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10145 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10146 (DWARF_ARANGES_PAD_SIZE): New define.
10147 (output_aranges): Use it to pad the address range header.
10148 (DWARF_ROUND): Fix for non power of 2 rounding.
10150 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10152 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10154 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10156 * tree.def (RTL_EXPR): Update documentation.
10157 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10158 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10159 * function.c (preserve_rtl_expr_temp): New function.
10160 (preserve_rtl_expr_temps): Likewise.
10161 (preserve_rtl_expr_result): Use it.
10164 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10166 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10168 * regmove.c (copy_src_to_dest) Do not create src->dest move
10169 for unchanging destination.
10171 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10173 * function.h (struct sequence_stack): Remove rtl_expr.
10174 (struct emit_staus): Likewise.
10175 (seq_rtl_expr): Remove.
10176 * tree.h (free_temps_for_rtl_expr): Don't declare.
10177 (start_sequence_for_rtl_expr): Likewise.
10178 * rtl.h (preserve_rtl_expr_result): Likewise.
10179 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10180 (start_sequence_for_rtl_expr): Remove.
10181 (push_topmost_sequence): Don't save sequence_rtl_expr.
10182 (pop_topmost_sequence): Remove comment about not restoring it.
10183 (end_sequence): Don't set seq_rtl_expr.
10184 (init_emit): Don't initialize it.
10185 (mark_sequence_stack): Don't mark it.
10186 (mark_emit_status): Likewise.
10187 * except.c (protect_with_terminate): Use
10188 start_sequence_for_rtl_expr, not start_sequence.
10189 * expr.c (expand_expr, case RTL_EXPR): Don't call
10190 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10191 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10192 (preserve_rtl_expr_result): Remove.
10193 (free_temps_for_rtl_expr): Likewise.
10194 (pop_temp_slots): Likewise.
10195 (mark_temp_slot): Don't mark the rtl_expr.
10196 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10197 start_sequence_for_rtl_expr.
10199 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10201 * mkdeps.c, mkdeps.h: New files.
10202 * po/POTFILES.in: Add them.
10203 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10204 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10205 (mkdeps.o): New target.
10207 * cppfiles.c: Delete deps_output.
10208 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10209 OBJECT_SUFFIX, and base_name.
10210 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10212 (initialize_dependency_output): Use deps_init,
10213 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10214 all the unnecessary string bashing.
10215 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10217 * cpplib.c (do_include): Use deps_add_dep.
10218 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10219 deps_allocated_size, deps_size, deps_column members with
10220 single pointer to a struct deps. Delete prototype of
10223 * cppinit.c: Fix thinko in previous patch.
10225 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10227 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10228 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10229 (mode_for_size_tree): New function.
10230 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10231 * tree.h (mode_for_size_tree): New declaration.
10233 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10235 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10237 * stmt.c (is_body_block): Move...
10238 * dwarfout.c, dwarf2out.c: ...from here.
10239 * tree.h: Declare it.
10240 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10241 * final.c (final_start_function): Do call remove_unnecessary_notes
10244 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10246 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10248 * cpplib.h (_dollar_ok): New macro.
10249 (is_idchar, is_idstart): Use it.
10250 (IStable): Rename to _cpp_IStable. Declare it const if
10251 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10252 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10253 is_space): Update for renamed IStable.
10255 * cppinit.c: Delete all references to FAKE_CONST and CAT
10256 macros. Define init_IStable as empty macro if gcc >=2.7 or
10257 C99. Change TABLE() to ISTABLE and hardcode name of table.
10258 (cpp_start_read): Don't change the IStable based on
10261 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10262 changed. Handle '$' for char1 correctly.
10263 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10265 * cppexp.c (tokentab2): Make const.
10266 (cpp_lex): Make toktab const.
10267 * cppinit.c (include_defaults_array): Make const.
10268 (initialize_standard_includes): Make default_include const.
10270 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10272 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10273 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10274 (gen_decl_die): Likewise.
10275 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10276 (output_decl): Likewise.
10278 * varasm.c (make_function_rtl): If we change the name used in the
10279 rtl, update DECL_ASSEMBLER_NAME accordingly.
10280 (make_decl_rtl): Likewise.
10282 * toplev.c (rest_of_compilation): Tweak formatting.
10284 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10285 remove_unnecessary_notes.
10286 (debug_ignore_block): New fn.
10287 * toplev.h: Declare it.
10288 * emit-rtl.c (remove_unncessary_notes): Call it.
10289 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10290 * dwarf2out.h: Declare it.
10291 * final.c (final_start_function): Don't call remove_unnecessary_notes
10292 if we did insn scheduling.
10294 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10296 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10297 * cpplib.h: Delete SET_CPP_PEDANTIC.
10299 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10301 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10302 result is a RECORD_TYPE.
10304 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10306 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10308 2000-03-03 Richard Henderson <rth@cygnus.com>
10310 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10311 addition over compliments over shifts.
10313 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10315 * reload1.c (reload_combine_note_use): Handle return register USEs.
10316 REG case: Handle multi-hard-register hard regs.
10318 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10320 * md.texi: Document use of '*' in insn pattern name.
10322 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10324 * calls.c (special_function_p): operator new may not be malloc-like.
10326 * gcse.c (dump_hash_table): Really fix error in last change.
10328 2000-03-02 Denis Chertykov <denisc@overta.ru>
10330 * avr.c (print_operand): Use print_operand_address instead of
10332 * avr/libgcc.S: Cleanup code.
10334 2000-03-02 Richard Henderson <rth@cygnus.com>
10336 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10338 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10340 * tree.h (TYPE_ALIGN_UNIT): New macro.
10342 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10344 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10346 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10348 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10350 (SET_CPP_PEDANTIC): New macro.
10351 * cpplib.c (do_include): Don't bother checking system_header_p.
10352 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10353 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10355 * function.h (struct expr_status): Add x_arg_space_so_far.
10356 (arg_space_so_far): New macro.
10357 * expr.c (init_expr): Initialize it.
10358 * calls.c (emit_call_1): Reset it.
10359 (compute_argument_block_size, expand_call): Use it.
10360 (expand_call, store_one_arg): Increment it.
10362 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10364 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10367 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10369 * cppfiles.c (cpp_read_file): New function.
10371 * cpphash.c (collect_expansion): Make sure to reset last_token
10372 to NORM when we hit a string. Handle trailing whitespace
10373 properly when the expansion is empty.
10374 (create_definition): Disable line commands while parsing the
10376 (dump_definition): If pfile->lineno == 0, output a line
10377 command ahead of the dump, and add a trailing newline.
10379 * cppinit.c (append_include_chain): Add fifth argument, which
10380 indicates whether or not system headers are C++ aware.
10381 (initialize_standard_includes): New function,
10382 broken out of read_and_prescan. Pass 'cxx_aware' value from
10383 the include_defaults_array on to append_include_chain.
10384 (dump_special_to_buffer): Const-ify char array.
10385 (builtin_array): Don't dump __BASE_FILE__.
10386 (cpp_start_read): Use cpp_read_file. Reorder code for
10387 clarity. Don't output line commands here for -D/-A/-U
10388 switches. Don't call deps_output for files included with
10389 -include or -imacros.
10391 * cpplib.c (do_define): Don't pay any attention to the second
10393 (cpp_expand_to_buffer): Disable line commands while scanning.
10394 (output_line_command): Work in the file buffer.
10395 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10396 Fix formatting of comments. Prototype cpp_read_file.
10398 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10400 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10401 reference the language-equivalent of sizetype.
10402 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10403 * fold-const.c (size_binop, size_diffop): Put back checks.
10404 * gcse.c (dump_hash_table): Fix minor error in last change.
10405 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10406 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10409 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10411 * calls.c (expand_call) Do not attempt to combine stack adjustments
10412 with inhibit_defer_pop set.
10414 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10416 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10417 the DECL_SIZE for a FIELD_DECL.
10419 2000-03-01 Bruce Korb <bkorb@gnu.org>
10421 * fixinc/inclhack.tpl: remove unused symlinks
10422 * fixinc/README: GCC Maintainer info
10423 * fixinc/inclhack.sh: regen
10424 * fixinc/fixincl.sh: regen
10426 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10428 * cpphash.c (collect_expansion): Trim trailing white space
10429 from macro definitions, but don't go past the last insertion
10432 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10434 * i386.md (mulqi3): New pattern.
10436 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10438 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10440 (struct cpp_reader): Add parsing_if_directive and
10441 parsing_define_directive flags.
10442 (struct cpp_options): Remove output_conditionals flag.
10443 (check_macro_name): Delete prototype.
10445 * cpphash.h (struct macrodef): Delete.
10446 (struct reflist): Separate from struct definition.
10447 (struct definition): Remove unused fields. Add column number.
10448 (create_definition): Returns a DEFINITION *. Takes a
10449 cpp_reader * and an int.
10451 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10452 (PEEKC): Copy defn from cpplib.c.
10453 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10455 (struct arglist): Simplify.
10456 (collect_expansion): Rewrite. Get tokens by calling
10457 cpp_get_token. Add more error checking.
10458 (collect_formal_parameters): New function, broken out of
10459 create_definition and reworked to use get_directive_token.
10460 (create_definition): All real work is now in collect_expansion
10461 and collect_formal_parameters. do_define handles finding the
10462 macro name. Return a DEFINITION, not a MACRODEF.
10463 (macroexpand): Replace bcopy with memcpy throughout. Replace
10464 character-at-a-time copy loop with memcpy and pointer increments.
10465 (compare-defs): d1->argnames / d2->argnames might be null.
10467 * cpplib.c (copy_rest_of_line): Delete function.
10468 (skip_rest_of_line): Do all the work ourselves.
10469 (skip_string): New function.
10470 (parse_string): Use skip_string.
10471 (get_macro_name): New function.
10472 (check_macro_name): Delete.
10473 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10474 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10475 (handle_directive): ICE if we're called on a macro buffer.
10476 (do_define): Determine macro name and type (funlike/objlike)
10477 here. Expunge all uses of MACRODEF.
10478 (cpp_push_buffer): Set line_base to NULL.
10479 (do_undef, read_line_number): Don't worry about getting a POP token.
10480 (eval_if_expression): Set/reset parsing_if_directive around
10481 cpp_parse_expr. Don't clear only_seen_white.
10482 (skip_if_group): Remove output_conditionals logic. Use
10484 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10485 tokens under appropriate conditions.
10486 (cpp_unassert): Call do_unassert not do_assert. Oops.
10488 * cppexp.c (parse_defined): New function, break out of
10490 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10491 ourselves, with cpp_defined.
10492 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10494 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10495 * gcc.dg/strpaste-2.c: New.
10497 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10499 * fold-const.c (size_binop): Don't asert inputs are the same and
10500 have TYPE_IS_SIZETYPE set.
10501 (size_diffop): Likewise.
10503 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10505 * dwarfout.c (output_block): Output abstract blocks even if they
10506 don't have TREE_ASM_WRITTEN set.
10508 * calls.c (emit_library_call): Check for null REG.
10510 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10512 * c-decl.c (current_function_decl): Move to toplev.c.
10513 (init_decl_processing): Don't add current_function_decl as a ggc
10515 * dbxout.c (dbxout_symbol): Change return type to int.
10516 (dbxout_symbol_location, dbxout_syms): Likewise.
10517 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10518 any locals. Use current_function_func_begin_label if set.
10519 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10520 * dwarf2out.c (dwarf2out_begin_prologue): Set
10521 current_function_func_begin_label.
10522 * final.c (final_start_function): Reset it.
10523 * toplev.c (current_function_decl): Define it here.
10524 (current_function_func_begin_label): New variable.
10525 (main): Add both as ggc roots.
10526 * tree.h (current_function_func_begin_label): Declare.
10528 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10530 * gcse.c: Cleanups throughout: mostly white-space, but also
10531 some minor rearrangement of code.
10533 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10535 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10536 returns a PARALLEL. Use emit_group_load and use_group_regs
10538 (emit_library_call_value): Similarly.
10540 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10541 * pa/quadlib.asm: Remove.
10542 * pa/quadlib.c: New file.
10544 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10545 * configure: Rebuilt.
10547 2000-02-29 Philip Blundell <pb@futuretv.com>
10549 * config/arm/conix-elf.h: New file.
10550 * configure.in (arm*-*-conix*): New configuration.
10551 * configure: Regenerate.
10553 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10555 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10556 don't have TREE_ASM_WRITTEN set.
10558 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10560 * Eliminate DECL_FIELD_SIZE.
10561 * builtins.c (built_in_class_names, built_in_names): New variables.
10562 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10563 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10564 DECL_SIZE, not DECL_FIELD_SIZE.
10565 * print-tree.c (print_node): Remove code that prints extra blank
10566 lines in some cases.
10567 Properly handle inline and builtin function cases.
10568 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10569 * tree.h (built_in_class_named, built_in_names): New declarations.
10570 (union tree_decl): Rename internal unions to u1 and u2 and change
10571 some of their components.
10572 Add new field built_in_class.
10573 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10574 Reflect above changes.
10575 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10576 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10577 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10578 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10580 2000-02-28 Dmitri Makarov <dim@windriver.com>
10582 * extend.texi: Document ARM's support for long/short calls.
10584 * invoke.texi: Document ARM's -mlong-calls command line switch.
10586 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10587 (arm_encode_call_attribute): Add prototype.
10588 (arm_set_default_type_attribute): Add prototype.
10589 (arm_strip_name_encoding): Add prototype.
10591 * config/arm/arm.c (arm_init_cumulative_args): replace
10592 initialisation og 'long_calls' field with initialisation of
10593 'call_cookie' field.
10594 (enum arm_pragma_enum): New enum.
10595 (arm_pragma_long_calls): New static variable.
10596 (arm_process_pragma): Also process "#pragma long_calls_off".
10597 (arm_valid_type_attribute_p): Accept short_call attribute.
10598 (arm_comp_type_attributes): Check long/short call attributes.
10599 (arm_encode_call_attribute): New function: Encode long_call
10600 or short_call attribute in function name.
10601 (arm_set_default_type_attributes): New function: Assign
10602 default attributes to newly defined type.
10603 (current_file_function_operand): New function: Return true if
10604 the symbol is a function which has already been compiled.
10605 (arm_is_longcall_p): New function: Return true if the
10606 indicated function should be called via a long call.
10607 (arm_get_strip_length): New function. Returns number of
10608 prefix characters to be stripped from a function's name.
10609 (arm_strip_name_encoding): New function. Strip prefix characters
10610 from a function's name.
10612 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10613 with 'call_cookie'.
10614 (SHORT_CALL_FAG_CHAR): Define.
10615 (LONG_CALL_FAG_CHAR): Define.
10616 (ENCODED_SHORT_CALL_ATTR_P): Define.
10617 (ENCODED_LONG_CALL_ATTR_P): Define.
10618 (ARM_NAME_ENCODING_LENGTHS): Define.
10619 (STRIP_NAME_ENCODING): Define.
10620 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10621 (ARM_ENCODE_CALL_TYPE): Define.
10622 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10623 (ARM_DECLARE_FUNCTION_SIZE): Define.
10624 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10626 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10627 if a long call is needed.
10628 (call_value): Ditto.
10629 (call_symbol): Ditto.
10631 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10632 ARM_DECLARE_FUNCTION_SIZE.
10634 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10635 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10636 (ARM_STRIP_NAME_ENCODING): Undefine.
10637 (STRIP_NAME_ENCODING): Undefine.
10638 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10639 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10640 (ASM_OUTPUT_COMMON): Ditto.
10641 (ASM_DECLARE_OBJECT_NAME): Ditto.
10643 * config/arm/pe.c (arm_dllexport_name_p): Check for
10645 (arm_dllimport_name_p): Ditto.
10646 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10647 (arm_mark_dllimport): Ditto.
10649 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10651 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10653 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10655 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10657 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10659 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10660 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10661 NO_BUILTIN_WCHAR_TYPE is not defined.
10662 (CPP_WCHAR_TYPE): Delete.
10663 * cccp.c (main): Don't change wchar_type if cplusplus.
10664 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10666 2000-02-28 Nick Clifton <nickc@cygnus.com>
10668 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10670 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10672 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10673 (ASM_WEAKEN_LABEL): Define.
10675 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10677 * expr.c (store_constructor): Do not emit USE.
10678 * rtl.h (stupid_life_analysis): Remove.
10680 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10682 * function.c (number_blocks): Reset next_block_index based on
10683 what debugging format is used, not what is defined.
10685 * lcm.c: Minor reformatting throughout.
10686 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10688 * toplev.c (rest_of_compilation): Account for time in
10689 optimize_mode_switching.
10691 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10692 if only marking labels.
10694 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10696 * calls.c (expand_call): Attempt to combine stack adjustments with
10697 pending stack adjustments.
10699 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10701 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10702 to the end of the function.
10704 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10706 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10708 * final.c (next_block_index): Remove.
10709 (max_block_depth): Likewise.
10710 (pending_blocks): Likewise.
10711 (init_final): Don't initialize them.
10712 (final_start_function): Don't set next_block_index. Set up
10714 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10715 * function.h (number_blocks): New function.
10716 * function.c (get_block_vector): New function.
10717 (identify_blocks): Use it.
10718 (reorder_blocks): Set NOTE_BLOCK.
10719 (number_blocks): New function.
10720 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10721 * tree.h (BLOCK_NUMBER): New macro.
10722 (tree_block): Add block_num field.
10723 * dbxout.c (next_block_number): Remove.
10724 (dbxout_init): Don't set it.
10725 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10726 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10728 * toplev.c (rest_of_compilation): Always call
10729 find_loop_tree_blocks. Fix indentation.
10730 * dwarf2out.c (next_block_number): Remove.
10731 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10732 to determine block numbers.
10733 (gen_inlined_subroutine_die): Likewise.
10734 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10735 (decls_for_scope): Don't increment next_block_number.
10736 * dwarfout.c (next_block_number): Remove.
10737 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10738 to determine block numbers.
10739 (output_inlined_subroutine_die): Likewise.
10740 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10741 (output_decls_for_scope): Don't increment next_block_number.
10742 * sdbout.c (next_block_number): Remove.
10743 (sdbout_block): Use BLOCK_NUMBER.
10744 (sdbout_begin_block): Simplify.
10745 * xcoffout.c (next_block_number): Remove.
10746 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10747 (xcoffout_begin_block): Don't set next_block_number.
10748 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10751 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10753 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10754 (expand_builtin_strcpy): Pass correct type to size_binop.
10755 (expand_builtin_strcmp): Likewise.
10756 Clean up conditional structure.
10757 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10758 (complete_array_type): Don't use size_binop for MAXINDEX.
10759 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10760 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10761 (c_alignof): Use size_one_node.
10762 (build_unary_op): Pass arg of proper type to size_binop.
10763 (really_start_incremental_init, push_init_level): Use sizetype for
10764 constructor{,_bit,_unfilled}_index.
10765 (pop_init_label, output_init_element): Likewise.
10766 (output_pending_init_elements, process_init_element): Likewise.
10767 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10768 * expr.c (store_expr): Use size_int.
10769 (store_constructor): Use proper types for size_binop args.
10770 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10771 (expand_expr_unaligned): Likewise.
10772 (string_contant): Return object of sizetype.
10773 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10774 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10775 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10776 * fold-const.c (int_const_binop): Refine when size_int is called.
10777 (fold_convert): Likewise.
10778 (size_int_wide): Rework to take KIND as arg, only take low order
10779 bits, handle new sizetype_tab datatype, and chain entries in
10781 (size_int_type_wide): New function.
10782 (size_binop): Validate types of arguments.
10783 (ssize_binop): Deleted.
10784 (size_diffop): New function.
10785 (extract_muldiv): Only fold division into multiplication for sizetypes.
10786 * function.c (assign_parms): Use size_diffop and make sure
10787 VAR field is of ssizetype; also pass proper type to size_binop.
10788 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10789 (round_down): Deleted from here.
10790 * store-layout.c (sizetype_tab): Now an array.
10791 (sizetype_set, early_root_list): New variables.
10792 (variable_size): Use size_one_node.
10793 (round_up): Pass proper type to size_binop.
10794 (round_down): Moved to here and corrected as above.
10795 (layout_record): Pass proper arg types to size_binop.
10796 (layout_type): Likewise.
10797 If sizetype_set is zero, record the type just laid out.
10798 (make_unsigned_type): Don't call set_sizetype;
10799 (make_signed_type): Likewise; also, call fixup_signed_type.
10800 (initialize_sizetypes): New function.
10801 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10802 set name of bitsizetype to "bit_size_type".
10803 Fix up type of sizes of all types made before call.
10804 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10805 * tree.c (fix_sizetype): Deleted.
10806 (build_common_tree_nodes): Call initialize_sizetypes.
10807 (build_common_tree_nodes_2): Don't call fix_sizetype.
10808 * tree.h (TYPE_IS_SIZETYPE): New macro.
10809 (initialize_sizetype): New declaration.
10810 (enum size_type_kind): New type.
10811 (struct sizetype_tab): Deleted.
10812 (sizetype_tab): Now array; adjust sizetype macros.
10813 (size_diffop, size_int_type_wide): New functions.
10814 (size_int_wide): Change number of args and type; access macros changed.
10815 (ssize_int, sbitsize_int): New macros.
10816 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10817 (ROUND_TYPE_SIZE_UNIT): New macro.
10819 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10821 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10823 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10825 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10826 Mark as possibly unused.
10828 * cse.c (cse_insn): Delete dead code involving tablejump.
10829 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10831 * Makefile.in (libcpp.a): Start by deleting it.
10833 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10835 * cpplib.h (enum file_change_code): Added rename_file.
10836 * cpplib.c (do_line): If a filename is given, set file_change to
10838 (output_line_command): If file_change is rename_file, always
10839 output a # directive with the file name.
10841 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10843 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10845 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10846 when copying a PARM_DECL or RESULT_DECL.
10848 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10850 * fix-header.c (recognized_function): Also fix prototypes for
10851 functions taking "void".
10853 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10855 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10856 looking at reg_reloaded_contents.
10858 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10860 * Makefile.in (STMP_FIXINC): New toggle.
10861 (LIBGCC2_DEPS): Delete all references.
10862 (stmp-headers): Delete target. All references either deleted
10863 or changed to stmp-int-headers.
10864 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10865 (LIBCPP_OBJS): Take out cppalloc.o.
10866 (cppalloc.o): Delete target.
10867 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10868 (gen-protos, fix-header): Link with libiberty.a.
10869 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10872 * configure.in: Remove refs to strerror.
10873 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10874 * system.h: Take out strerror stanza.
10876 * cpperror.c (my_strerror): Delete function.
10877 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10878 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10879 * cppalloc.c: Delete file.
10880 * gen-protos.c: Don't provide xrealloc.
10882 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10883 xstrerror throughout.
10885 2000-02-26 Bruce Korb <bkorb@gnu.org>
10887 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10888 match for DOS headers, too.
10889 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10891 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10893 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10894 is right for most ELF targets.
10895 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10896 Let the default file use %U properly.
10897 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10900 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10903 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10905 * toplev.c (documented_lang_options): Correct spelling error.
10906 (decode_d_option, decode_f_option, main): Likewise.
10908 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10910 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10911 to tell assembler it is permitted to expand large constants.
10913 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10915 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10916 (aux_info_suffix): Use.
10917 (SAVE_SUFFIX): New macro.
10918 (save_suffix): Use.
10919 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10920 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10921 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10923 * invoke.texi (Running Protoize): Update documentation.
10925 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10927 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10929 2000-02-25 John Wehle (john@feith.com)
10931 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10933 2000-02-25 Anthony Green <green@cygnus.com>
10935 * toplev.c (rest_of_compilation): Rebuild jump labels if
10936 combine_instructions has created a new direct jump.
10937 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10939 (combine_instructions): Call try_combine with new argument.
10940 Return non-null value when new direct jump instruction is created.
10941 * rtl.h: combine_instructions returns an int.
10943 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10945 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10946 jump when changing a computed jump into a jump to a known
10949 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10951 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10952 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10954 * i386.md (define_expand "clrstrsi"): Fix typo.
10956 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10958 * rtl.texi: Fix typo.
10960 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10962 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10963 UNITS_PER_WORD. Change caller initial_elimination_offset.
10964 (rounded_frame_size): Take into account that argument pushed has
10965 changed. Fix TARGET_ALIGN_DOUBLE problem.
10967 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10969 * haifa-sched.c (schedule_block): Explain the real reason
10970 we delete REG_SAVE_NOTEs on the first insn of a block.
10971 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10973 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10975 * input.h (push_srcloc): New function.
10976 (pop_srcloc): Likewise.
10977 * toplev.c (push_srcloc): Define it.
10978 (pop_srcloc): Likewise.
10980 2000-02-24 Richard Henderson <rth@cygnus.com>
10982 * flow.c (life_analysis): When collecting reg info, clear
10985 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10987 Fix bug exposed by reload.c no longer rounding the frame
10988 size to BIGGEST_ALIGNMENT:
10989 * sh.c (rounded_frame_size): New function.
10990 (sh_expand_prologue, sh_expand_epilogue): Use it.
10991 (initial_elimination_offset): Likewise.
10993 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10995 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10996 * sh-protos.h (sh_need_epilogue): Declare.
10997 * sh.c (sh_need_epilogue_known): New static variable.
10998 (sh_need_epilogue): New function.
10999 (function_epilogue): Clear need_epilogue_known.
11000 * sh.md (return): Split into expander / insn pattern.
11001 Make the expander conditional on ! sh_need_epilogue ().
11003 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11005 * machmode.h (get_mode_alignment): Declare.
11006 (GET_MODE_ALIGNMENT): Call it.
11007 * stor-layout.c (get_mode_alignment): New function. Make
11008 sure alignment is always power of 2.
11010 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11012 * i386.h: Remove useless definition of "I386" and misleading
11015 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11017 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11018 under which TREE_PERMANENT will be set.
11019 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11020 build1): Use TREE_SET_PERMANENT.
11021 * print-tree.c (print_node): Don't report value of
11022 TREE_PERMANENT if ggc_p is true.
11024 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11025 decide whether to give a type a new alias set.
11026 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11027 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11028 of value of 'obstack'.
11031 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11033 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11035 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11037 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11038 * cpplib.c (cpp_get_token): Produce them.
11039 * cppexp.c (cpp_lex): Handle them.
11041 2000-02-23 Nick Clifton <nickc@cygnus.com>
11043 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11044 comment tests on type attributes.
11046 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11048 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11049 conform to documentation.
11050 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11051 to check for special cases.
11052 * sh-protos.h (sh_loop_align): Declare.
11053 * sh.c (sh_loop_align): Define.
11055 2000-02-22 Andrew Haley <aph@cygnus.com>
11057 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11058 (SIZE_TYPE): Is 32 bits when using -mgp32.
11059 (PTRDIFF_TYPE): Ditto.
11061 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11063 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11065 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11067 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11068 BIGGEST_FIELD_ALIGNMENT a constant.
11070 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11072 * dwarf2out.c (output_line_info): Put the marker for the end of
11073 the line number info at the actual end.
11074 (gen_struct_or_union_type_die): Use decl_function_context
11075 to check for local classes.
11076 * dwarfout.c (output_type): Likewise.
11078 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11080 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11081 for arguments with a mode, but no type.
11082 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11083 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11084 * pa/long_double.h: New file.
11085 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11086 both have 128bit wide long doubles.
11087 * configure: Rebuilt.
11089 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11091 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11093 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11094 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11095 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11097 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11099 * integrate.c (compare_blocks, find_block): Likewise.
11101 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11103 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11105 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11106 expand_asm_operands): Likewise.
11108 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11110 * predict.c (estimate_probability): Added the pointer heuristic to
11111 the collection of static branch predictors.
11113 2000-02-21 Catherine Moore <clm@cygnus.com>
11115 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11116 * invoke.texi (-mfix7000): Document.
11118 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11120 * diagnostic.c (init_output_buffer): Make it possible to output at
11121 least 32 characters if we're given a too long prefix.
11123 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11125 * varasm.c (initializer_constant_valid_p): Call
11126 lang_expand_constant to simplify the constant.
11128 2000-02-20 Bruce Korb <bkorb@gnu.org>
11130 * fixinc/inclhack.def(stdio_va_list):
11131 typedef needs to be disabled.
11132 * fixinc/inclhack.sh: regen
11133 * fixinc/fixincl.x: regen
11135 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11137 * print-rtl.c (print_rtx): Don't print addresses when
11138 flag_dump_unnumbered.
11140 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11142 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11144 (sparc_va_arg, sparc_flat_output_function_prologue,
11145 sparc_flat_output_function_epilogue): Cast value to unsigned in
11147 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11149 * sparc.md: Add default case in switch.
11151 2000-02-19 Richard Henderson <rth@cygnus.com>
11153 * c-typeck.c (add_pending_init): Don't abort for multiple
11154 fields at the same offset.
11155 (pending_init_member): Test the correct member.
11157 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11159 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11161 (start_catch_handler) : Same.
11163 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11165 * Makefile.in: Have flow.o depend on $(EXPR_H)
11167 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11169 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11170 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11171 (finish_decl): Remove -Wlarger-than code from here.
11172 * flags.h (id_clash_len): Now int.
11173 (larger_than_size): Now HOST_WIDE_INT.
11174 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11175 Clean up checking to see if in table.
11176 (make_bit_field_ref): Remove extra parm to bitsize_int.
11177 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11178 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11179 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11180 and for computing size of decl.
11181 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11182 Move -Wlarger-than code to here.
11183 (layout_record): Remove extra arg to bitsize_int.
11184 Set TYPE_BINFO_SIZE_UNIT.
11185 (layout_union): Remove extra arg to bitsize_int.
11186 Use proper type for size of QUAL_UNION.
11187 (layout_type): Remove extra arg to bitsize_int.
11188 * toplev.c (id_clash_len): Now int.
11189 (larger_than_size): Now HOST_WIDE_INT.
11190 (decode_W_option): Clean up id-clash and larger-than- cases.
11191 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11192 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11193 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11194 (struct tree_decl): New field size_unit.
11195 (size_int_wide): No HIGH operand; NUMBER is now signed.
11196 (size_int_2): Deleted.
11197 (size_int, bitsize_int): Don't use it and rework args.
11198 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11200 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11202 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11204 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11206 * invoke.texi (Warning Options): Add an explanation of why
11207 you might want the -Wfloat-equal flag.
11209 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11211 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11212 * cppinit.c (new_pending_define): Add cast to avoid warning.
11213 * expmed.c (extract_bit_field): Likewise.
11214 * flow.c (enum reorder_skip_type): New type.
11215 (skip_insns_between_blcok): New it.
11216 Rework to avoid warning about possibly undefined variable.
11217 * function.c (assign_parms): Make thisparm_boundary unsigned.
11218 * genrecog.c (write_switch): Cast XWINT result to int.
11219 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11220 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11221 one for MIPS and one for Alpha.
11222 (get_tag, copy_object): Add casts to avoid warnings.
11223 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11224 * reload.c (find_reloads): Make TYPE enum reload_type.
11225 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11226 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11227 * varasm.c (compare_constant_1): Add cast to avoid warning.
11228 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11230 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11231 Cast switch operand of size to int.
11232 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11233 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11236 2000-02-18 Nick Clifton <nickc@cygnus.com>
11238 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11239 anything for an alignment of zero.
11241 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11242 anything for an alignment of zero.
11244 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11246 * gcc.texi (Bug Reporting): Refer to bugs.html.
11247 (Bug Lists): Likewise.
11248 * system.h (GCCBUGURL): New preprocessor define.
11249 * rtl.c (fancy_abort): Use it.
11250 * gcc.c (main): Likewise.
11252 2000-02-18 Richard Henderson <rth@cygnus.com>
11254 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11255 (life_analysis_1): Subsume into ...
11256 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11257 Use update_life_info for the relaxation.
11258 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11259 entry and regs_live_at_setjmp.
11260 (set_noop_p): Simplify.
11261 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11262 (record_volatile_insns): Split into ...
11263 (delete_noop_moves): ... here,
11264 (notice_stack_pointer_modification): ... here,
11265 (insn_dead_p): ... and here.
11266 (propagate_block): Don't query INSN_VOLATILE.
11267 (mark_used_regs): Mind !PROP_REG_INFO.
11268 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11269 not in life_analysis.
11271 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11273 * loop.c (canonicalize_condition): New function,
11274 broken out of get_condition.
11275 (get_condition): Use it.
11276 * expr.h (canonicalize_condition): Prototype it.
11278 * tree.h (tree_int_cst_msb): Declare.
11279 * tree.c (tree_int_cst_msb): New function.
11281 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11283 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11286 * invoke.texi (-fmessage-length=n): Document.
11288 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11290 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11292 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11294 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11295 after the prologue.
11297 2000-02-17 Nick Clifton <nickc@cygnus.com>
11299 * config/arm/thumb.c: Replace includes of system headers with
11300 #include "system.h".
11302 2000-02-16 Richard Henderson <rth@cygnus.com>
11304 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11305 Add crtbeginS.o and crtendS.o.
11306 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11307 (ENDFILE_SPEC): Use crtendS.o.
11308 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11310 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11311 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11312 shared and present.
11313 (__dso_handle): New variable.
11314 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11315 bias to __CTOR_END__.
11317 2000-02-16 Richard Henderson <rth@cygnus.com>
11319 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11321 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11323 * longlong.h (__clz_tab): Declare as static to match definition.
11325 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11327 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11328 (XREF_FILE_NAME): Define.
11330 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11331 (EH_FRAME_SECTION_ASM_OP): Define.
11332 (IDENT_ASM_OP): Define.
11333 (TEXT_SECTION_ASM_OP): Define.
11334 (CPP_SPEC): Define.
11335 (CTORS_SECTION_ASM_OP): Define.
11336 (CTOR_SECTION_FUNCTION): Use it.
11337 (DTORS_SECTION_ASM_OP): Define.
11338 (DTOR_SECTION_FUNCTION): Use it.
11340 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11342 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11345 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11346 debug_bb_n): New functions.
11347 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11348 * basic-block.h: Prototype new functions.
11350 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11352 * configure.in: Add support for avr target.
11353 * configure: Rebuilt.
11355 * invoke.texi: Add AVR invocation docs.
11356 * install.texi: Add information about AVR.
11357 * md.texi: Add AVR constraint letters description.
11358 * extend.texi: Add description for AVR specific attributes.
11360 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11362 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11364 2000-02-16 Nick Clifton <nickc@cygnus.com>
11366 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11367 (make_insn_raw): Move RTL check here.
11369 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11371 * version.c: Include gansidecl.h and version.h.
11373 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11375 * configure.in (gcc_version): When setting, narrow search to
11376 lines containing `version_string'.
11378 * Makefile.in (mainversion): Likewise.
11379 (GCC_H): New variable.
11380 (gcc.h): Delete target.
11381 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11382 (version.o): Depend on version.h.
11383 (dbxout.o): Don't depend on gcc.h.
11385 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11386 Michael Meissner <meissner@cygnus.com>
11388 * md.texi (Simple Constraints): Add item about whitespace.
11389 * genoutput.c (strip_whitespace): New.
11390 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11391 strip_whitespace for constraints.
11392 Test pointer using NULL, not 0.
11394 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11396 * cpplib.c (do_line): Pedwarn for #line > 32767.
11398 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11400 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11402 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11403 to default cpp spec.
11404 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11405 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11408 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11411 2000-02-15 Denis Chertykov <denisc@overta.ru>
11413 * configure.in: Add support for avr target.
11415 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11417 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11418 (sh_addr_diff_vec_mode): Don't declare.
11419 * sh.c (sh_addr_diff_vec_mode): Delete.
11421 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11423 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11425 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11427 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11428 (smulsi3_highpart_i): Name.
11429 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11430 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11431 (smulsi3_highpart, umulsi3_highpart): Likewise.
11433 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11434 correctly independent of endianness.
11435 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11436 confuse the optimizers.
11437 (mulsidi3+1, umulsidi3+1): New define_split.
11439 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11441 * config/sh/sh.md: Guard insn splits against illegal registers.
11442 * config/sh/sh.h: Correct comment about macros.
11444 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11445 Andrew MacLeod <amacleod@cygnus.com>
11447 * Makefile.in (lcm.o): Depend on insn-attr.h.
11448 * basic-block.h (optimize_mode_switching): Declare.
11449 * lcm.c (tm_p.h, insn-attr.h): #include.
11450 (seginfo, bb_info): New structs.
11451 (antic, transp, comp, delete, insert) : New file-scope static variables.
11452 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11453 (reg_becomes_live, optimize_mode_switching): Likewise.
11454 * tm.texi: Add description of mode switching macros.
11455 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11457 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11458 (fldi_ok, fpscr_set_from_mem): New prototypes.
11459 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11460 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11461 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11462 (sh_flag_remove_dead_before_cse): Remove declaration.
11463 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11464 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11465 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11466 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11467 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11468 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11469 (fldi_ok): New function.
11470 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11471 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11472 (emit_df_insn): Likewise.
11473 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11474 (sh_flag_remove_dead_before_cse): Delete.
11475 (get_free_reg, fpscr_set_from_mem): New functions.
11476 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11477 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11479 2000-02-15 Loren Rittle <ljrittle@acm.org>
11481 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11483 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11485 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11486 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11488 * cccp.c: Include version.h and/or don't declare `version_string'.
11489 * collect2.c: Likewise.
11490 * alpha.c: Likewise.
11491 * arm/aof.h: Likewise.
11492 * arm/coff.h: Likewise.
11493 * arm/elf.h: Likewise.
11494 * arm/pe.h: Likewise.
11495 * arm/tcoff.h: Likewise.
11496 * arm/telf.h: Likewise.
11497 * arm/tpe.h: Likewise.
11498 * arm/vxarm.h: Likewise.
11499 * convex/convex.c: Likewise.
11500 * i386/dgux.c: Likewise.
11501 * i386/sun386.h: Likewise.
11502 * m88k/m88k.c: Likewise.
11503 * mcore/mcore-pe.h: Likewise.
11504 * mips/mips.h: Likewise.
11505 * romp/romp.h: Likewise.
11506 * sh/sh.c: Likewise.
11507 * cpphash.c: Likewise.
11508 * cppinit.c: Likewise.
11509 * dwarf2out.c: Likewise.
11510 * dwarfout.c: Likewise.
11513 * mips-tfile.c: Likewise.
11514 * protoize.c: Likewise.
11515 * toplev.c: Likewise.
11516 * tree.h: Likewise.
11518 * version.c (version_string): Constify a char*.
11520 * version.h: New file.
11522 2000-02-14 Nick Clifton <nickc@cygnus.com>
11524 * configure.in: Add mcore-elf and mcore-pe targets.
11525 * configure: Regenerate.
11527 * NEWS: Add note that MCore port has been contributed.
11529 * invoke.texi: Document command line switches for MCore port.
11530 * install.texi: Add MCore to list of supported targets.
11532 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11534 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11535 then we will need to import the frame handling functions.
11536 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11537 to import the frames themselves.
11539 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11540 Jason Eckhardt <jle@cygnus.com>
11542 * basic_block.h: Added prototype for reorder_basic_blocks.
11543 * toplev.c: Changes to add -freorder-blocks and graph dump after
11544 block reordering is done.
11545 * flow.c (reorder_block_def): New structure for use during block
11547 (REORDER_BLOCK_*): New macros to access members of above structure.
11548 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11549 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11550 functions for block reordering.
11552 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11554 * gcc.texi (Passes): Fix typo.
11555 * md.texi (Standard Names): Ditto.
11556 * tm.texi (Storage Layout): Ditto.
11558 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11560 * cpplib.c (do_define): Only free the old definition if it
11563 2000-02-13 Neil Booth <NeilB@earthling.net>
11565 * cppfiles.c (read_and_prescan): When emitting deferred
11566 newlines, test speccase[] again instead of checking each
11567 possible whitespace character in turn. When we encounter \r,
11568 look behind for \n first, then ahead.
11570 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11572 * cse.c (cse_altered): New internal flag.
11573 (cse_insn): Set it if we changed an insn.
11574 (cse_main): Clear cse_altered before each basic block.
11575 Only garbage collect if cse_altered is true afterward.
11577 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11579 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11581 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11583 * combine.c (simplify_comparison): Fix typo.
11585 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11587 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11590 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11592 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11593 previously inserted node instead of root node. Caller changed.
11595 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11597 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11599 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11601 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11602 __dereg_frame_dtor): Add prototype argument.
11604 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11606 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11608 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11610 * gthr-vxworks.h (__gthread_once): Likewise.
11612 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11614 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11616 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11617 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11618 stack pointer in functions w/o saved registers, output LEAVE more often
11619 on TARGET_USE_LEAVE machines.
11621 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11623 * config/arm/arm.c (arm_init_cumulative_args); New function:
11624 Initlaise the CUMULATIE_ARGS strcuture for a function
11626 (arm_function_arg): New function: Determine where to place a
11627 function's argument. Also handles deciding the function's
11629 (current_file_function_operand): New function: Return true if
11630 the symbol is a function which has already been compiled.
11631 (arm_is_long_call_p): New function: Return true if the
11632 indicated function should be called via a long call.
11633 (arm_valid_type_attribute_p): New function: Return true if the
11634 attribute is a valid, arm specific, attribute.
11635 (arm_comp_type_attribute): New function: Return true if the
11636 two types have compatable, arm specific, attributes.
11638 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11640 (FUNCTION_ARG): Redefine to call arm_function_arg.
11641 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11643 (INIT_CUMULATIVE_ARGS): Redefine to call
11644 arm_init_cumulative_args.
11645 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11647 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11649 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11651 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11652 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11653 (COMP_TYPE_ATTRIBUTES): Define.
11655 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11656 if a long call is needed.
11657 (call_value): Call arm_is_long_call_p to decide if a long call
11659 (call_symbol): Call arm_is_long_call_p to decide if a long call
11662 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11664 2000-02-11 Denis Chertykov <denisc@overta.ru>
11666 * README.AVR: New file with information about the avr ports.
11667 * config/avr: New directory with avr port files.
11669 2000-02-11 Andreas Jaeger <aj@suse.de>
11671 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11673 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11675 * cpphash.c: Fix formatting, update commentary.
11676 (dump_definition): Take three separate arguments instead of a
11677 MACRODEF structure argument.
11678 * cpphash.h: Update prototype of dump_definition.
11679 * cppinit.c (cpp_finish): Update call of dump_definition.
11681 * cpplib.c (do_define): Always create new hash entry with
11682 T_MACRO type. Remove redundant check for redefinition of
11683 poisoned identifier. Update call of dump_definition.
11684 (do_undef): Don't call check_macro_name. Rename sym_length to
11686 (do_error, do_warning): Don't use copy_rest_of_line or
11688 (do_warning): Don't use pedwarn for the actual warning,
11689 only the notice about its not being in the standard. (Fixes
11690 bug with #warning in system headers.)
11691 (do_ident): Stricter argument checking - accept only a single
11692 string after #ident. Also, macro-expand the line.
11693 (do_xifdef): Use cpp_defined. De-obfuscate.
11695 (do_pragma): Split out specific pragma handling to separate
11696 functions. Use get_directive_token. Update commentary. Do
11697 not pass on #pragma once or #pragma poison to the front end.
11698 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11699 do_pragma_default): New.
11701 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11703 * jump.c (jump_optimize_1): The first operand in a relational
11704 can be a CONST_INT.
11705 * optabs.c (emit_conditional_move): Handle relationals which
11706 have a known true/false result.
11708 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11710 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11711 a RETURN insn into a block which already ends with a jump.
11713 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11715 * haifa-sched.c (BUF_LEN): Increase a lot.
11717 2000-02-11 Nick Clifton <nickc@cygnus.com>
11719 * configure.in: Add tm_p_file specification for thumb targets.
11720 * configure: Regenerate.
11722 * config/arm/thumb-protos.h: New file: Prototypes for exported
11723 functions defined in thumb.c.
11725 2000-02-11 Robert Lipe <robertl@sco.com>
11727 * Makefile.in (bootstrap-lean): Remove additional files.
11728 (bootstrap2-lean): Likewise.
11729 (VOL_FILES): List of files for above.
11731 2000-02-11 Nathan Sidwell <nathan@acm.org>
11733 * cpphash.c (special_symbol): Remove spurious argument to
11736 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11738 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11740 * configure: Rebuilt.
11742 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11744 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11746 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11748 * pa.c, pa.h: Remove trigraph sequences within comments.
11750 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11752 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11754 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11756 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11758 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11760 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11762 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11764 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11765 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11766 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11767 (ASM_FILE_END): Use c4x_file_end.
11768 * config/c4x/c4x.c (c4x_global_label): New function.
11769 (c4x_external_ref, c4x_file_end): Likewise.
11771 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11772 (c4x_external_ref, c4x_end_file): Likewise.
11774 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11776 * cppexp.c: Don't include cpphash.h.
11777 (parse_charconst, cpp_lex): Use cpp_defined.
11778 (cpp_lex): Use get_directive_token throughout. Remove
11779 unnecessary cases from switch. Move assertion-handling code
11780 down to OTHER case.
11781 (cpp_parse_expr): If we see '+' or '-', check the context to
11782 determine if they are unary or binary operators. Streamline
11783 the jumps a bit. Do not call skip_rest_of_line.
11785 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11786 static. Export get_directive_token. Update commentary.
11787 (cpp_defined): New function.
11788 (do_define): Remove reference to T_PCSTRING. Call
11789 free_definition to release memory for old definition, when
11790 redefining a macro.
11791 (eval_if_expression): Set only_seen_white to 0 before calling
11792 cpp_parse_expr. Call skip_rest_of_line after it returns.
11793 (cpp_read_check_assertion): Don't preserve a pointer into the
11794 token buffer across a call to cpp_get_token.
11796 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11797 * cppfiles.c (redundant_include_p): Use cpp_defined.
11798 * cpphash.c (free_definition): New function.
11799 (delete_macro): Use it. Update commentary.
11800 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11802 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11803 from enum node_type. Prototype cpp_defined and get_directive_token.
11804 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11806 * fix-header.c (check_macro_names): Use cpp_defined.
11807 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11808 the options structure.
11810 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11812 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11814 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11816 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11817 rather than die->die_tag.
11819 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11821 * combine.c (make_extraction, force_to_mode): Avoid warning on
11822 mixed-signedness conditionals.
11823 (make_field_assignment, nonzero_bits): Likewise.
11824 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11825 (store_split_bit_field, extract_split_bit_field): Likewise.
11826 (extract_fixed_bit_field, store_bit_field,
11827 * expr.c: Change alignment to be unsigned everywhere.
11828 (move_by_pieces, store_constructor_field, store_constructor):
11829 Alignment parm is unsigned.
11830 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11831 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11832 (do_compare_rtx_and_jump): Likewise.
11833 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11834 Compare align with GET_MODE_ALIGNMENT.
11835 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11836 (get_inner_reference): Likewise.
11837 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11838 (expand_assignment): Local vars for alignment now unsigned.
11839 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11840 (do_compare_and_jump): Likewise.
11841 (store_field): Call new function expr_align.
11842 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11843 Alignment arg now unsigned.
11844 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11845 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11846 (extract_bit_field): Likewise.
11847 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11848 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11849 (get_best_mode): Alignment arg is unsigned.
11850 * rtl.h (move_by_pieces): Likewise.
11851 * store-layout.c (maximum_field_alignment, set_alignment):
11853 (layout_decl): Alignment arg is now unsigned.
11854 Remove unneeded casts.
11855 (layout_record, layout_union, layout_type): Remove unneeded casts.
11856 Local alignment variables now unsigned.
11857 (get_best_mode): Alignment arg now unsigned.
11858 * tree.c (expr_align): New function.
11859 * tree.h (expr_align): Likewise.
11860 (maximum_field_alignment, set_alignment): Now unsigned.
11861 (get_inner_reference): Alignment argument is now pointer to unsigned.
11862 * varasm.c (assemble_variable): Add cast to eliminate warning.
11864 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11866 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11867 then store directly into op0.
11869 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11870 the CALL_INSN, and emit the note immediately after it.
11872 2000-02-10 Nick Clifton <nickc@cygnus.com>
11874 * config/arm/thumb.md (epilogue): Include a (return) in the
11875 generated insn, and emit it using emit_jump_insn not
11878 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11880 * function.c (assign_temp): Change zero-sized arrays to size 1.
11881 * integrate.c (expand_inline_function): Do not update
11882 stack_alignment_needed
11883 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11884 add some sanity checking, remove optimization for function with
11887 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11889 * flow.c (mark_regs_live_at_end): Delete unused variables.
11891 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11893 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11894 in macro FRAME_GROWS_DOWNWARD.
11896 * stmt.c (expand_end_bindings): Delete unused variable.
11898 * unroll.c (iteration_info): Mark parameter `loop' with
11901 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11903 * fixinc/server.c (load_data): Return NULL if the marker line is
11905 (run_shell): If load_data returns NULL, retry the command once, in
11908 * configure: Rebuilt.
11910 2000-02-09 Bruce Korb <bkorb@gnu.org>
11912 * gcc/fixincludes: ** DELETED **
11913 * gcc/fixcpp: ** DELETED **
11914 * gcc/fixinc-nt.sed: ** DELETED **
11915 * gcc/just-fixinc: ** DELETED **
11916 * gcc/Makefile.in: Removed out-dated commentary
11917 * gcc/configure.in: Removed fast-fixincludes disablement.
11918 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11920 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11921 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11924 2000-02-09 Richard Henderson <rth@cygnus.com>
11926 * jump.c (delete_insn): Don't delete user labels at -O0.
11928 2000-02-09 Robert Lipe <robertl@sco.com>
11930 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11931 Don't link with HOST_LIBS.
11933 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11935 * configure.in: Correct --help text for --with-dwarf2.
11936 Put tm-dwarf2.h after other tm files, if it's requested.
11937 * configure: Regenerate.
11938 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11941 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11943 * cpplib.h: Provide HASHNODE typedef and forward decl of
11944 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11945 DEFINITION, struct hashnode, struct macrodef, struct
11946 definition, scan_decls prototype, default defn of
11947 INCLUDE_LEN_FUDGE moved elsewhere.
11949 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11950 definition, and struct hashnode moved here. Remove the unused
11951 'predefined' field from struct definition. Replace the 'args'
11952 union with its sole member. All users updated (cpphash.c).
11953 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11954 multiple include guard.
11956 * cpphash.c (hashf): Make static; use better algorithm; drop
11957 HASHSIZE parameter; return an unsigned int.
11958 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11959 used. Calculate HASHSIZE modulus here.
11960 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11962 (create_definition): Drop PREDEFINITION parameter.
11963 * cpplib.c (do_define): Don't calculate a hash value here.
11964 Don't pass (keyword == NULL) to create_definition.
11966 * scan.h: Prototype scan_decls here.
11967 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11968 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11969 callers of cpp_lookup and cpp_install updated.
11971 * cpphash.c (macarg): Hoist all the flag diddling out of the
11973 (macroexpand): ... and out of the loop that calls macarg.
11974 Skip over the initial paren before macro arguments with
11975 cpp_get_non_space_token; point may be some distance before
11976 that paren. Abort if it's not there.
11978 * cpplib.c (parse_clear_mark): Delete function.
11979 (parse_set_mark, parse_goto_mark): Make static.
11980 (ACTIVE_MARK_P): New macro.
11981 (skip_block_comment, skip_line_comment): Do not bump the line
11982 if ACTIVE_MARK_P is true.
11983 (cpp_pop_buffer): The buffer to be popped may not have an
11985 (cpp_get_token): When looking for the initial paren before
11986 macro arguments, only set a mark in a file buffer, Always
11987 return to that mark before proceeding to call macroexpand or
11988 return a NAME token.
11990 * cpplib.h: Remove prototypes of parse_set_mark,
11991 parse_clear_mark, parse_goto_mark.
11992 (struct cpp_options): Rename 'put_out_comments' to
11993 'discard_comments' and invert its sense.
11994 * cppinit.c, cpphash.c, cpplib.c: All users of
11995 put_out_comments changed to use discard_comments, with
11998 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12000 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12001 the edge from a block that both jumps and falls through to the
12004 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12006 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12007 constant source address is legitimate.
12009 2000-02-09 Philip Blundell <pb@futuretv.com>
12011 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12014 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12016 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12018 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12020 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12021 ends with a newline and a NUL. Don't be so clever manipulating
12024 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12026 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12027 not to BIGGEST_ALIGNMENT.
12029 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12031 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12032 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12033 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12034 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12035 * frame.c (execute_cfa_insn): Handle
12036 DW_CFA_GNU_negative_offset_extended.
12038 2000-02-08 Richard Henderson <rth@cygnus.com>
12040 * flow.c (tidy_fallthru_edges): Split out from ...
12041 (delete_unreachable_blocks): ... here.
12042 (find_basic_blocks): Use it.
12044 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12046 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12048 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12050 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12051 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12052 (fix-header.o): Don't depend on cpphash.h.
12054 * scan.c (hashstr): New function.
12055 * scan.h: Prototype it.
12056 * fix-header.c: Don't include cpphash.h. Use hashstr.
12057 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12058 hashstr. Report hash table statistics. Add private
12059 definition of xrealloc.
12061 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12063 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12065 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12067 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12068 jumps with returns unless they are jumps to the fallthru block.
12070 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12072 * i386.md (addqi3_cc): Fix contraints.
12074 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12076 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12078 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12080 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12081 carriage return after a macro name.
12083 2000-02-07 Fred Fish <fnf@be.com>
12085 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12086 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12088 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12090 * cppfiles.c (deps_output): Count spacers in deps_column.
12092 2000-02-07 Neil Booth <NeilB@earthling.net>
12094 * cppinit.c (initialize_dependency_output): If there is no
12095 suffix, don't try to look for known suffixes. Use strrchr.
12096 (cpp_start_read): Remove duplicate initialization.
12098 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12100 * calls.c (compute_argument_block_size): New argument
12101 preferred_stack_boundary.
12102 (expand_call): update cfun->preferred_stack_boundary, update call of
12103 compute_argument_block_size
12104 (emit_library_call): Increate cfun->preferred_stack_boundary
12105 to PREFERRED_STACK_BOUNDARY
12106 (emit_library_call_value): Likewise.
12107 * explow.c (allocate_dynamic_stack_spave): Likewise.
12108 * function.c (prepare_function_start): Set
12109 cfun->preferred_stack_boundary
12110 * function.h (struct function): Add preferred_stack_boundary field.
12111 * integrate.c (expand_inline_function): Update
12112 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12113 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12114 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12116 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12118 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12119 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12120 cpp_pedwarn, cpp_pedwarn_with_line,
12121 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12122 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12123 v_cpp_error_with_line, v_cpp_warning_with_line,
12124 cpp_message_from_errno, cpp_perror_with_name): Delete.
12126 * cpperror.c (cpp_print_containing_files): Take starting
12127 buffer as argument.
12128 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12129 (v_cpp_message): Now called directly by all entry points.
12131 (cpp_pfatal_with_name, cpp_message): Delete.
12132 (cpp_notice_from_errno, cpp_ice): New functions.
12133 (cpp_notice): Is now for reporting error conditions, just
12134 without an associated file.
12135 (cpp_error, cpp_error_with_line): Don't do anything if
12136 opts->inhibit_errors is on.
12137 (cpp_pedwarn_with_file_and_line): Take column argument also.
12139 * cpplib.h: Update prototypes of exported functions.
12140 (struct cpp_options): Add inhibit_errors.
12142 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12143 non-error messages. Include intl.h.
12145 * cppinit.c, cppmain.c: Likewise. Also, use
12146 cpp_notice_from_errno instead of cpp_perror_with_name or
12147 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12149 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12150 report internal errors.
12152 * cpplib.c (do_define): Switch bcopy to memcpy.
12153 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12155 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12156 bail out early if we hit a line comment.
12158 2000-02-06 Richard Henderson <rth@cygnus.com>
12160 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12161 * basic-block.h: Declare them.
12162 * emit-rtl.h (active_insn_p): New.
12163 (next_active_insn, prev_active_insn): Use it.
12164 * rtl.h: Declare it.
12165 * function.c (emit_return_into_block): New.
12166 (thread_prologue_and_epilogue_insns): Insert return insns instead
12167 of epilogues when possible.
12168 * jump.c (jump_optimize_1): Remove code to insert a return insn
12169 on the fallthru to the exit block.
12171 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12172 and for non-empty stack frames.
12173 * i386.md (return): Expand to return-pop as needed.
12175 2000-02-06 Richard Henderson <rth@cygnus.com>
12177 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12178 constant to op1 for testing.
12180 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12182 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12183 (fixuns_truncqfqi2): Use it.
12185 2000-02-06 Richard Henderson <rth@cygnus.com>
12187 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12188 as a TYPE_LEA insn.
12190 * i386.md (widening and peepholes): Mask the constant instead of
12193 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12195 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12196 input pointer before possibly branching off to the backslash
12198 * cpphash.c (macroexpand): Correctly delete \r escapes when
12199 stringifying parameters.
12200 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12201 if we can; bail out early if we hit a line comment.
12202 (handle_directive): Treat '# 123' in an .S file just like
12203 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12204 Return 1 for '# not_a_directive'.
12205 (get_directive_token): Pop macro buffers here, so that
12206 cpp_get_token can't sneakily move past a newline.
12208 (cpp_get_token): goto randomchar if handle_directive returns 0.
12210 * cppalloc.c: Update copyright.
12211 * cpplib.c: Merge all the static function prototypes into one
12213 * cpplib.h: Remove #if 0 block.
12215 * cpperror.c: Remove #ifdef EMACS block.
12216 * cppmain.c: Likewise.
12217 * cpphash.c: Remove #if 0 blocks.
12218 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12219 * cpplib.c: Remove #if 0 blocks and code referencing
12220 pcp_inside_if or for_lint. Remove duplicate error message.
12221 Fix error messages for #else after #else or #elif. Reformat.
12222 Remove archaic TODO list.
12223 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12225 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12227 * i386/osf1elf.h: Add missing backslash to multiline string.
12229 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12231 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12233 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12235 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12237 * c-common.c: Include expr.h.
12239 * c-pragma.c (mark_align_stack): Add prototype.
12241 * caller-save.c (add_stored_regs): Likewise.
12243 * combine.c (record_promoted_value): Likewise.
12245 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12248 * cppinit.c (new_pending_define): Likewise.
12250 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12252 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12253 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12254 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12255 class_scope_p): Likewise.
12257 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12258 dwarf2out_add_library_unit_info): Likewise.
12260 * ggc.h (ggc_page_print_statistics): Likewise.
12262 * haifa-sched.c (propagate_deps): Likewise.
12264 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12266 * rtl.h (set_stack_check_libfunc): Likewise.
12268 * toplev.h (set_fatal_function): Likewise.
12270 * toplev.c (set_fatal_function): Delete prototype.
12272 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12274 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12276 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12277 (FUNC_END): Likewise.
12279 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12281 * caller-save.c: Include tm_p.h.
12283 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12285 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12287 2000-02-04 Neil Booth <NeilB@earthling.net>
12289 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12292 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12294 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12295 * genflags.c: Use the max_operand_1 logic from genemit.c to
12296 calculate how many arguments gen_insn prototypes have. Remove
12297 NO_MD_PROTOTYPES ifdefs from the generated file.
12298 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12299 file. Cast gen_insn initializers to insn_gen_fn.
12300 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12301 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12303 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12305 * fixinc/Makefile.in (HDR): Add machname.h.
12308 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12310 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12311 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12312 (c4x_cpu_version): Ditto.
12313 * config/c4x/c4x-protos.h: ... here.
12315 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12317 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12318 gen_abstract_function on our context if we're a nested function.
12320 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12322 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12323 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12325 2000-02-04 Bruce Korb <bkorb@gnu.org>
12327 * fixinc/genfixes(machname.h):
12328 Move the functionality from gen-machine.h into this file.
12329 UNdef MN_NAME_PAT if there are no names to change.
12330 Also, be a little kinder when AutoGen is not present.
12332 * fixinc/Makefile.in(machname.h):
12333 Change the generation rule to use genfixes.
12335 * fixinc/fixfixes.c(machine_name):
12336 machine_name_fix's functionality now dependent upon whether
12337 MN_NAME_PAT is defined.
12339 * fixinc/fixtests.c(machine_name):
12342 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12345 * fixinc/fixlib.h(mn_get_regexps):
12348 * fixinc/gen-machine.h: DELETED
12350 2000-02-04 Jan Hubicka <jh@suse.cz>
12351 Richard Henderson <rth@cygnus.com>
12353 * i386.c (SAVE_REGS_FIRST): Remove.
12354 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12355 (ix86_compute_frame_size): Likewise.
12356 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12357 (ix86_emit_restore_regs): Remove.
12358 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12359 when a frame pointer is in use.
12360 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12361 instead of pop to restore a register when profitable; emit leave
12363 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12364 as a TYPE_LEA insn.
12365 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12366 * i386.md (prologue_allocate_stack): Remove.
12367 (epilogue_deallocate_stack): Remove.
12368 (pro_epilogue_adjust_stack): New.
12370 2000-02-04 Richard Henderson <rth@cygnus.com>
12372 * function.c (diddle_return_value): Rework to use a callback function.
12373 Use current_function_return_rtx if it's been set up.
12374 (do_clobber_return_reg, clobber_return_register): New.
12375 (do_use_return_reg, use_return_register): New.
12376 (expand_function_end): Use them.
12377 * stmt.c (expand_null_return): Likewise.
12378 * function.h: Declare them.
12379 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12380 (mark_reg): Change arguments as appropriate for callback.
12381 * integrate.c (expand_inline_function): Revert 19 Jan change.
12383 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12385 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12386 (Misc): Say the scheduler, not the Haifa scheduler.
12388 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12390 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12391 when in_mem is set. Update all callers.
12393 2000-02-04 Richard Henderson <rth@cygnus.com>
12395 * i386/openbsd.h (INT_ASM_OP): Define.
12397 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12399 * tm.texi: Fix various typos.
12401 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12403 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12404 (MD_STARTFILE_PREFIX_1): New macro.
12406 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12408 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12409 destination when needed.
12410 (strmovsi, strsetsi): New expander.
12411 (strmovsi_1, strsetsi_1): New pattern.
12412 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12413 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12414 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12415 * invoke.texi (align-stringops, inline-all-stringops): Document.
12417 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12419 * i386/netbsd.h (INT_ASM_OP): Define.
12421 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12423 * cpplib.h (cpp_reader): Add new flag, no_directives.
12424 * cpphash.c (macarg): Set it.
12425 * cpplib.c (handle_directive): If no_directives is on and we
12426 find a directive, issue an error and discard the line.
12428 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12430 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12431 FP constants. Add ! TARGET_FPU check for FP constants.
12433 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12435 * flow.c (find_basic_blocks): Don't kill label_value_list
12437 (cleanup_cfg): Kill it here.
12439 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12441 * expr.c (store_field): Ensure ALIGN is no stricter than the
12444 2000-02-02 Richard Henderson <rth@cygnus.com>
12446 * jump.c (delete_insn): Partially revert 19 Jan change;
12447 don't convert unused code labels to notes at -O0.
12449 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12451 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12452 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12454 2000-02-01 Richard Henderson <rth@cygnus.com>
12456 * i386.c (general_no_elim_operand): New.
12457 (nonmemory_no_elim_operand): New.
12458 (ix86_expand_move): Copy eliminable operands before a push.
12459 * i386-protos.h: Declare new functions.
12460 * i386.h (CAN_ELIMINATE): Simplify.
12461 (PREDICATE_CODES): Update.
12462 * i386.md (push insns): Don't allow eliminable register operands.
12464 2000-02-01 Richard Henderson <rth@cygnus.com>
12466 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12467 replace BLKmode with DECL_RTL's mode.
12469 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12471 * frame.c (find_fde): Convert for loop to do-while so compiler
12472 sees it's always executed at least once.
12473 * libgcc2.c (BBINBUFSIZE): Kill.
12474 (__bb_init_prg): Use fgets.
12475 (__bb_exit_trace_func): Don't paste strings.
12476 * unroll.c (unroll_loop): Initialize unroll_type, not
12477 unroll_number, and tweak logic to match.
12479 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12481 (ix86_flags_dependant): Likewise. Disentangle control flow.
12482 (ix86_sched_reorder): Break guts out to
12483 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12484 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12487 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12488 use string concatenation. Don't save and restore esi.
12490 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12491 (machname.h): Remove script to separate file. Use two-step
12492 sequence so target is not created if script fails.
12493 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12494 identifiers are defined.
12495 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12496 an empty string, machine_name doesn't need to do anything at
12498 (is_cxx_header): Add more cases to regexp.
12499 * fixinc/fixlib.h: Update prototype.
12500 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12502 * fixinc/fixincl.c: Define NO_BOGOSITY.
12504 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12505 (hp_sysfile): Add missing comma.
12506 (math_exception): Put the wrapper ifdefs at the beginning and
12507 the end of the file.
12508 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12510 2000-02-01 Richard Henderson <rth@cygnus.com>
12512 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12513 Use CONST0_RTX. Update all callers.
12514 * sparc.h, sparc-protos.h: Update accordingly.
12515 * sparc.md (fp mov insns): Use fp_zero_operand directly
12518 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12520 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12523 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12525 * Makefile.in (specs.ready): New target.
12526 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12528 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12530 * fixinc.irix: Use unique filenames for writing into /tmp,
12531 * fixinc.ptx: Likewise.
12532 * fixinc.sco: Likewise.
12533 * fixinc.svr4: Likewise.
12534 * fixinc.winnt: Likewise.
12536 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12538 * tsystem.h: New file.
12540 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12541 s-crtS): Depend on tsystem.h.
12543 * crtstuff.c: Include tsystem.h.
12544 * frame.c: Likewise.
12545 * libgcc2.c: Likewise.
12547 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12549 * builtins.c (expand_builtin_memset): Expand for variable sized
12552 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12554 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12557 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12559 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12561 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12563 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12565 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12566 case 3->2 combining (combining with splitting) in which 2 is CC0
12567 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12568 checked at the begining of the function with the aid of calling
12569 function 'can_combine_p'.
12571 2000-01-31 Dave Brolley <brolley@redhat.com>
12573 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12575 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12577 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12580 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12582 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12584 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12587 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12589 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12590 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12591 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12592 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12593 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12594 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12595 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12596 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12597 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12598 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12600 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12601 Add %(cpp_cpu) to CPP_SPEC.
12603 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12604 Add %(cc1_cpu) to CC1_SPEC.
12606 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12608 * c-decl.c (c_decode_option): Accept optional numeric argument to
12609 -Wformat and set warn_format.
12610 * c-common.c: Don't emit warning about non-constant printf format
12611 string unless warn_format > 1.
12613 2000-01-30 Richard Henderson <rth@cygnus.com>
12615 * alpha.md (return_internal): Allow after reload only.
12617 2000-01-30 Richard Henderson <rth@cygnus.com>
12619 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12620 local frame size is zero.
12622 2000-01-30 Richard Henderson <rth@cygnus.com>
12624 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12625 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12626 * alpha.md (return): Turn into an expander.
12627 (return_internal): Don't use $26.
12628 (epilogue): Emit the return insn.
12630 2000-01-30 Richard Henderson <rth@cygnus.com>
12632 * alpha.md (negtf2, abstf2): Fix word order thinko.
12633 (extendsftf2): New.
12634 (trunctfsf2): Avoid intermediate rounding errors.
12636 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12638 * cppfiles.c (find_position): Drop 'colp' argument, return the
12640 (read_and_prescan): Adjust to match. Don't ever manipulate
12641 line or line_base except via find_position.
12643 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12645 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12646 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12649 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12651 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12652 just print "<command line>". If 'filename' is null or an
12653 empty string, print "<stdin>" for the filename.
12654 * cpplib.c (do_define): Don't print the 'location of the
12655 previous definition' message if we're still parsing the
12657 (cpp_pedwarn_with_file_and_line): Always call
12658 cpp_file_line_for_message.
12660 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12662 * flow.c (mark_regs_live_at_end): Fix typo.
12664 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12666 * c-common.c: Adjust variable names, comments, help strings to c99.
12667 * c-lex.c: Likewise.
12668 * c-parse.y: Likewise.
12669 * c-tree.h: Likewise.
12670 * cccp.c: Likewise.
12671 * cpplib.h: Likewise.
12672 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12673 * cppinit.c: Likewise.
12675 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12677 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12678 * c4x.c: Define the optab rtx values.
12679 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12680 (c4x_emit_libcall): Use new optab rtx values.
12681 (c4x_emit_libcall3): Likewise.
12682 (c4x_emit_libcall_mulhi): Likewise.
12683 * c4x-protos.h: Add prototypes for optab rtx values and change
12684 prototypes for above c4x_emit_libcall functions.
12686 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12688 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12690 (c4x_function_prologue): Use regnames intead of float_reg_names when
12692 (c4x_function_epilogue): Likewise.
12693 (c4x_print_operand): Likewise.
12694 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12695 * c4x.md (set_high): Disable for TARGET_TI.
12697 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12699 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12700 of framepointer + constant to ADDR_REGS class.
12701 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12702 * c4x.c (std_or_reg_operand): New function.
12703 * c4x-protos.h (std_or_reg_operand): Prototype it.
12705 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12707 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12708 object names as libgcc2.c.
12709 * libgcc.S: Use newly defined names.
12711 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12712 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12714 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12715 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12716 (FLOW_LOOP_LAST_BLOCK): Likewise.
12718 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12720 * basic-block.h (struct loop): New fields 'first' and 'last'.
12721 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12722 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12723 and loop->last to check for NOTE_INSN_LOOP_END.
12725 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12727 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12728 of the loop descriptor rather than HEADER and LATCH. Also added
12729 missing break statements as well making some coding style modifications
12730 as suggested by Michael Hayes.
12732 2000-01-28 Richard Henderson <rth@cygnus.com>
12734 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12735 Break out that code ...
12736 (cleanup_cfg): ... here.
12737 (commit_one_edge_insertion): Detect a return instruction being
12738 emitted to an edge. Emit a barrier following; clear fallthru.
12739 (commit_edge_insertions): Verify CFG consistency.
12740 * function.c (expand_function_start): Kill unused variable.
12741 (expand_function_end): Likewise.
12742 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12743 to insert the epilogue.
12745 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12746 (delete_null_pointer_checks): Likewise.
12747 * output.h: Likewise.
12748 * reg-stack.c (reg_to_stack): Likewise.
12749 * toplev.c (rest_of_compilation): Likewise. Run
12750 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12752 2000-01-28 Richard Henderson <rth@cygnus.com>
12754 * Makefile.in (flow.o): Revert 24 Jan change.
12755 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12756 FUNCTION_VALUE result to DECL_RESULT's mode.
12758 * haifa-sched.c (schedule_insns): Don't recompute reg info
12761 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12763 * configure.in: Make --enable-cpplib the default.
12764 * configure: Regenerate.
12765 * gcc.dg/990119-1.c: No longer expected to fail.
12767 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12769 * jump.c (jump_optimize_1): Delete an optimization that is also done
12770 by merge_blocks in flow.
12772 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12774 * diagnostic.c (build_message_string, output_printf,
12775 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12776 (build_location_prefix): Fix non-literal format string.
12778 2000-01-27 Richard Henderson <rth@cygnus.com>
12780 * alpha.md (trunctfsf2): New.
12782 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12784 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12786 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12788 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12790 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12792 (skip_comment) ... here. Permit C++ comments in system
12793 headers always. Warn about C++ comments in user code under
12794 -std=gnu89 -pedantic.
12795 (copy_comment): Use skip_comment.
12796 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12798 (consider_directive_while_skipping, do_else, do_endif): Call
12799 validate_else unconditionally.
12800 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12801 text after the conditional in a system header.
12802 * cpplib.h (struct cpp_buffer): Add flag
12803 warned_cplusplus_comments.
12805 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12807 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12808 Use unshare_all_rtl_1.
12809 (unshare_all_rtl_again): New function.
12810 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12812 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12813 rather than resetting the 'used' flags ourself.
12815 * toplev.c (rest_of_compilation): Add current_function_decl
12816 to the unshare_all_rtl call.
12817 * tree.h: Prototype unshare_all_rtl.
12818 * rtl.h: Prototype unshare_all_rtl_again here.
12820 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12822 * genoutput.c (output_prologue): Include ggc.h in generated
12824 * Makefile.in (insn-output.o): Depends on ggc.h.
12826 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12827 Hans-Peter Nilsson <hp@bitrange.com>
12829 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12830 Remove redundant include of xm-ns32k.h.
12831 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12832 Remove redundant include of xm-ns32k.h.
12833 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12834 Remove redundant include of xm-ns32k.h.
12835 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12837 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12838 (TARGET_SWITCHES): Add documentation strings.
12839 (DWARF_FRAME_REGNUM): Override default definition.
12840 (REG_CLASS_CONTENTS): Add comments.
12841 (SUBSET_P): Format to reduce line length.
12842 (SMALL_REGISTER_CLASSES): Make a run time option.
12843 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12844 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12845 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12846 (regclass_map): fix typo in comment.
12847 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12848 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12849 (trace, reg_or_mem_operand): Delete, unused function.
12850 (calc_address_cost): Small offsets are cheaper than large ones.
12851 (expand_block_move): Generate more efficient code when bytes is a
12852 known at compile time.
12853 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12854 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12855 instead of reg_or_mem_operand.
12857 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12858 not general_operand. Similarly use "=rm" or stricter, not "=g".
12859 For input operands, use stricter constraints than "g" if not
12860 general_operand. Similarly use stricter predicate than
12861 "general_operand" when stricter constraints than "g" are present,
12862 except for matching constraints.
12863 (movstrsi): Use "memory_operand" for operands 0 and 1.
12864 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12865 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12866 not reg_or_mem_operand.
12867 (udivmoddisi4): Ditto.
12868 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12869 Use nonimmediate_operand for operand 3, not register_operand.
12870 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12871 reg_or_mem_operand.
12873 2000-01-27 Fred Fish <fnf@be.com>
12875 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12876 * gthr-single.h: Likewise.
12877 * gthr-solaris.h: Likewise.
12878 * gthr-vxworks.h: Likewise.
12879 * gthr-win32.h: Likewise.
12880 * gthr.h: Likewise.
12882 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12884 * cppinit.c: Add " (cpplib)" to end of string printed by
12887 2000-01-27 Richard Henderson <rth@cygnus.com>
12889 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12890 testing for a signed comparison.
12891 (alpha_emit_floatuns): New.
12892 * alpha-protos.h: Declare it.
12893 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12894 (extendsfdf2): Tidy.
12896 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12898 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12899 no -g option specifying debugging format, default to -gstabs+.
12901 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12903 * calls.c (special_function_p): New argument fork_or_exec.
12904 (expand_call): When profile_arc_flag is set and the function
12905 is in the fork_or_exec group, call __bb_fork_func first.
12906 * libgcc2.c, _bb module (__bb_fork_func): New function.
12907 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12909 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12910 * tree.h (special_function_p): Update prototype.
12912 2000-01-26 Richard Henderson <rth@cygnus.com>
12914 * alpha.c (alpha_split_tfmode_pair): New.
12915 * alpha-protos.h: Declare it.
12916 * alpha.md (abstf2, negtf2): New.
12917 (movtf insn): Add input G constraint.
12918 (movtf splitter): Use alpha_split_tfmode_pair.
12920 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12922 * i386/cygwin.h: PROTO -> PARAMS.
12924 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12926 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12927 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12928 using _Qp_cmp/_Q_cmp and testing the return value.
12929 (print_operand): Call reverse_condition_maybe_unordered if
12930 we are handling CCFPmode or CCFPEmode.
12931 Handle ORDERED, UN* and LTGT comparisons.
12932 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12933 if not TARGET_HARD_QUAD.
12934 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12935 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12936 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12937 Adjust gen_b* calls so that they reflect return comparison of
12938 sparc_emit_float_lib_cmp.
12940 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12942 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12943 incoming operands array is large enough for one more operand.
12944 (alpha_emit_xfloating_arith): Likewise.
12946 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12948 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12949 file with one line and no trailing newline.
12950 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12951 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12952 checking if the match is on the line.
12953 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12955 2000-01-25 Richard Henderson <rth@cygnus.com>
12957 * sparc.c (output_cbranch): Fix accidental squashing of the
12958 fp branch pre-delay nop.
12960 2000-01-25 Richard Henderson <rth@cygnus.com>
12962 * tree.def (UNNE_EXPR): Remove.
12963 * c-typeck.c (build_binary_op): Don't handle it.
12964 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12966 * rtl.def (UNNE): Remove.
12968 * jump.c (reverse_condition): Update accordingly.
12969 (swap_condition): Likewise.
12970 (comparison_dominates_p): Handle unordered comparisons.
12971 (reverse_condition_maybe_unordered): New.
12972 * rtl.h (reverse_condition_maybe_unordered): Declare.
12974 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12975 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12976 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12977 * sparc.md (bltgt): New.
12979 2000-01-25 Nick Clifton <nickc@redhat.com>
12981 * emit-rtl.c (emit_insn): Only check machine class insns for
12982 improper emission of a RETURN.
12984 2000-01-25 Richard Henderson <rth@cygnus.com>
12986 * Makefile.in (flow.o): Depend on $(EXPR_H).
12987 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12988 duplicate the structure of diddle_return_value for keeping regs live.
12990 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12992 * loop.c (current_loop_info): Delete.
12993 (consec_sets_invariant_p): Add loop argument, update callers.
12994 (get_condition_for_loop): Likewise.
12995 (count_nonfixed_reads, update_giv_derive): Likewise.
12996 (simplify_giv_expr, general_induction_var): Likewise.
12997 (consec_sets_giv, recombine_givs): Likewise.
12998 (move_movables): Delete loop_start and loop_end arguments,
12999 add loop argument, and update callers.
13000 (find_mem_givs, check_final_value): Likewise.
13001 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13002 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13004 (basic_induction_var): Add loop argument, delete loop_level argument,
13005 and update callers.
13006 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13007 add loop argument, and update callers.
13008 (find_splittable_regs, find_splittable_givs): Likewise.
13009 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13010 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13011 (biv_total_increment): Delete loop_start and loop_end arguments;
13013 (precondition_loop_p): Delete loop_start and loop_info arguments;
13015 * loop.h (get_condition_for_loop): Add loop argument.
13016 (biv_total_increment): Delete loop_start and loop_end arguments.
13017 (precondition_loop_p): Delete loop_start and loop_info arguments;
13019 (final_biv_value): Delete loop_start and loop_end arguments;
13021 (final_giv_value, back_branch_in_range_p): Likewise.
13023 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13025 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13027 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13029 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13030 point to the new "generated_files" doc.
13032 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13034 * config/fp-bit.c (_unord_f2): Fix typo.
13036 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13038 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13039 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13040 functions obsoleted by GC, such as push_obstacks_nochange,
13041 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13042 and code which existed only to decide whether or not to call
13043 them. Remove now-unused NESTED argument from start_function;
13044 all callers changed. Do not change behavior based on ggc_p.
13045 The use of the ixp_obstack in c-iterate.c and the util_obstack
13046 in objc/objc-act.c remain; these are not obsoleted by garbage
13048 * c-tree.h: Update prototype for start_function.
13050 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13052 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13054 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13057 2000-01-25 Richard Henderson <rth@cygnus.com>
13059 * sparc-protos.h (select_cc_mode): Declare.
13060 * sparc.c (select_cc_mode): New. Handle unordered compares.
13061 (output_cbranch): Always reverse via code change. Handle
13062 unordered compares. Factor tests and string updates.
13063 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13064 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13065 * sparc.md (bunordered, bordered): New.
13066 (bungt, bunlt, buneq, bunge, bunle): New.
13068 2000-01-25 Richard Henderson <rth@cygnus.com>
13070 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13071 * ggc-common.c (ggc_add_rtx_varray_root): New.
13072 (ggc_mark_rtx_varray): New.
13073 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13074 functions down below ggc_mark_foo.
13075 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13077 2000-01-25 Richard Henderson <rth@cygnus.com>
13079 * alpha.c (secondary_reload_class): Don't allocate a secondary
13080 for integral mode memories into FLOAT_REGS. Rearrange the more
13081 complicated memory expression inward.
13083 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13085 * inclhack.def: Fixes to play nicer with FreeBSD, and
13086 corrections to comments.
13087 (cxx_unready): Add select expression.
13088 (irix_sockaddr): Add bypass expression.
13089 (machine_ansi_h_va_list): New fix.
13090 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13091 Split out addition of "#include <stdarg.h>" to...
13092 (stdio_stdarg_h): ... here.
13093 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13094 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13095 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13097 (ultrix_ifdef): Tighten up select expression.
13099 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13100 re_ct and max_mach to avoid use of shell. Make printed names
13101 match names in inclhack.def. Use static copyright date.
13102 Don't count c_test and test expressions as requiring regex_t
13103 slots. Add some commentary.
13104 * inclhack.tpl: Do not include the 'This script contains N
13105 fixup scripts' line if PROGRAM is defined. Use static
13108 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13110 * dwarf2out.c: include "varray.h", not dyn-string.h.
13111 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13112 (addr_const_to_string, addr_to_string): Lose.
13113 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13114 (struct dw_val_struct): val_addr is now an rtx.
13115 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13116 (used_rtx_varray): New varray.
13117 (dwarf2out_init): Initialize it.
13118 (save_rtx): New fn.
13119 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13121 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13122 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13123 * Makefile.in (dwarf2out.o): Update dependencies.
13125 2000-01-24 Richard Henderson <rth@cygnus.com>
13127 * i386.c (i386_dwarf_output_addr_const): New.
13128 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13130 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13132 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13133 * i386.c (i386_simplify_dwarf_addr): New.
13134 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13136 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13138 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13139 TYPE_STUB_DECL is NULL.
13141 2000-01-24 Richard Henderson <rth@cygnus.com>
13143 * builtins.c (expand_tree_builtin): Move ...
13144 * c-common.c (expand_tree_builtin): ... here.
13146 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13148 * loop.h (LOOP_INFO): New accessor macro.
13149 * basic-block.h (struct loop): Rename field `info' to `aux'.
13150 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13151 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13152 * unroll.c (loop_iterations, unroll_loop): Likewise.
13154 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13156 * config/i386/t-cygwin: Accomodate new winsup directory layout
13157 when searching for include files.
13159 2000-01-24 Richard Henderson <rth@cygnus.com>
13161 * rtl.def: Add unordered fp comparisions.
13162 * tree.def: Likewise.
13163 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13165 * builtins.c (expand_tree_builtin): New function.
13166 * c-typeck.c (build_function_call): Use it.
13167 (build_binary_op): Support unordered compares.
13168 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13170 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13171 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13172 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13173 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13174 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13176 (swap_condition): Handle unordered compares.
13177 (thread_jumps): Check can_reverse before reversing.
13178 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13181 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13182 setcc is present before acking for cmp_optab. Update all callers.
13183 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13184 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13185 * expr.c (expand_expr): Likewise. Support unordered compares.
13186 (do_jump, do_store_flag): Likewise.
13187 * expr.h (enum libfunc_index): Add unordered compares.
13189 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13190 (DPBIT_FUNCS): Add _unord_df.
13191 * config/fp-bit.c (_unord_f2): New.
13192 * fp-test.c (main): Try unordered compare builtins.
13194 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13195 * alpha.c (alpha_comparison_operator): Check mode properly.
13196 (alpha_swapped_comparison_operator): Likewise.
13197 (signed_comparison_operator): Likewise.
13198 (alpha_fp_comparison_operator): New.
13199 (alpha_emit_conditional_branch): Handle unordered compares.
13200 * alpha.h (PREDICATE_CODES): Update.
13201 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13202 (bunordered, bordered): New.
13204 2000-01-24 Richard Henderson <rth@cygnus.com>
13206 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13207 * alpha.md (movtf): New expander, insn, and splitter.
13209 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13211 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13214 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13216 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13217 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13218 REG_ALLOC_ORDER): Add frame pointer
13219 (FRAME_POINTER_REGNUM): Set to 20
13220 (HARD_FRAME_POINTER_REGNUM): New macro.
13221 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13222 to HARD_FRAME_POINTER.
13223 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13224 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13225 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13226 (HI_REGISTER_NAMES): Add "frame".
13227 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13228 (debug_reg): Handle FRAME_POINTER_REGNUM.
13229 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13230 GENERAL_REGS and INDEX_REGS.
13231 * i386.c (SAVED_REGS_FIRST): new macro.
13232 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13233 (ix86_decompose_address, memory_address_length): Likewise.
13234 (regclass_map): Add frame pointer.
13235 (call_insn_operand): Handle frame_pointer_rtx.
13236 (reg_no_sp_operand): Likewise.
13237 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13238 (print_operand, legitimize_pic_address): Fix formating.
13239 (ix86_compute_frame_size): Make static, update prototype, new
13240 parameters padding1, padding2, use ix86_nsaved_regs, use
13241 stack_alignment_needed.
13242 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13243 to HARD_FRAME_POINTER_REGNUM conversions.
13244 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13245 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13246 (print_reg): Abort on FRAME_POINTER_REGNUM
13248 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13250 * i386.h (PREDICATE_CODES): Add aligned_operand.
13251 * i386.c (aligned_operand): New function.
13252 (ix86_aligned_p): Kill.
13253 * i386.md (movhi_1): Emit mov for aligned operands.
13254 (promoting peep2s): Use aligned_operand.
13256 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13258 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13259 expression to allow underscores in macro names.
13260 (fix_char_macro_defines): Increment scanning pointer.
13262 2000-01-23 Richard Henderson <rth@cygnus.com>
13264 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13265 * alpha/osf5.h: New file.
13266 * configure.in (alpha-*-osf5): Add it to tm_file.
13268 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13270 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13271 (alpha_emit_xfloating_cvt, function_arg): Declare.
13272 * alpha.c (alpha_emit_conditional_branch): Call
13273 alpha_emit_xfloating_compare for TFmode compares.
13274 (alpha_lookup_xfloating_lib_func): New.
13275 (alpha_compute_xfloating_mode_arg): New.
13276 (alpha_emit_xfloating_libcall): New.
13277 (alpha_emit_xfloating_arith): New.
13278 (alpha_emit_xfloating_compare): New.
13279 (alpha_emit_xfloating_cvt): New.
13280 (print_operand): Add default abort case.
13281 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13282 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13283 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13284 (RETURN_IN_MEMORY): True for TF/TCmode.
13285 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13286 (FUNCTION_ARG): Move to function_arg.
13287 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13288 (ASM_OUTPUT_LONG_DOUBLE): New.
13289 (ASM_OUTPUT_DOUBLE): Always output bits.
13290 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13291 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13292 (extenddftf2, trunctfdf2): New.
13294 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13296 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13297 * config/sparc/sol2.h: ... here.
13299 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13301 * basic-block.h (struct loops): New field `levels'.
13302 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13303 (flow_loop_level_compute): Initialise level to 1.
13304 (flow_loops_find): Set loops->levels.
13305 (flow_loops_dump): Print loops->levels.
13307 2000-01-23 Richard Henderson <rth@cygnus.com>
13309 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13310 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13312 2000-01-23 Richard Henderson <rth@cygnus.com>
13314 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13315 * i386.h (DBX_REGISTER_NUMBER): Use them.
13316 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13317 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13318 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13319 * i386/sequent.h: Kill incorrect comment.
13321 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13323 * ggc-page.c (struct page_entry): Make `context_depth' an
13325 (struct globals): Likewise.
13327 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13329 * loop.c (check_dbra_loop): When checking a loop for
13330 reversability, check the source of any stores to ensure
13331 they don't depend on an initial value.
13333 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13335 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13337 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13339 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13340 'pz_scan' into scope of entire function. Only affects
13341 compiles with -DDEBUG.
13343 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13345 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13346 section naming to that prior to 2000-01-07 patch.
13347 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13348 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13349 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13350 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13351 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13353 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13355 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13358 2000-01-21 Jim Wilson <wilson@cygnus.com>
13360 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13361 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13363 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13365 * cpphash.c (change_newlines): Delete function.
13366 (struct argdata): Delete 'newlines' and 'use_count' fields.
13367 (macroexpand): Remove code referencing those fields.
13369 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13371 * loop.c (loops_info): New variable.
13372 (loop_optimize): Allocate loops->array and free it on exit.
13373 Allocate memory for loops_info and assign to each loop,
13375 (find_and_verify_loops): Do not allocate loops->array.
13377 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13379 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13381 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13383 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13384 pseudos if expanded after first flow.
13385 (movdi_pic_label_ref): Likewise.
13387 2000-01-20 Richard Henderson <rth@cygnus.com>
13389 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13391 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13393 * Makefile.in (fixinc.sh): Depend on specs.
13394 * fixinc/Makefile.in: Add rule to create machname.h.
13395 (fixlib.o): Depend on machname.h.
13396 * fixinc/fixtests.c (machine_name): New test.
13397 * fixinc/fixfixes.c (machine_name): New fix.
13398 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13399 the machine_name test and fix.
13400 * fixinc/fixlib.h: Prototype it.
13401 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13402 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13404 * gcc.c (do_spec_1) [case P]: Take care not to create
13405 identifiers with three leading or trailing underscores.
13407 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13408 (fixincl): Don't specify libraries twice on link line.
13409 (gnu-regex.o): Remove special rule.
13410 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13411 defined by config.h. Do not define _REGEX_RE_COMP.
13412 (regcomp): Allocate and initialize a fastmap.
13413 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13415 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13417 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13419 2000-01-19 Richard Henderson <rth@cygnus.com>
13421 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13422 arguments with BB. Update all callers. Tidy line wrapping.
13424 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13426 * emit-rtl.c (try_split): Return last_insn if we split the
13429 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13431 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13432 (ix86_initial_elimination_offset): Declare.
13433 * i386.c (ix86_nsaved_regs): Break out from ...
13434 (ix86_can_use_return_insn_p): ... here.
13435 (ix86_emit_save_regs): Break out from ...
13436 (ix86_expand_prologue): ... here.
13437 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13439 (ix86_expand_epilogue): ... here.
13440 (ix86_compute_frame_size): Make static, add prototype.
13441 (ix86_initial_elimination_offset): Break out from ...
13442 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13444 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13446 * recog.h (OUT_FCN): Delete.
13448 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13450 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13452 * cppalloc.c: PROTO -> PARAMS.
13453 * cpperror.c: Likewise.
13454 * cppfiles.c: Likewise.
13455 * cpplib.c: Likewise.
13456 * cpplib.h: Likewise.
13458 * config/arm/arm-protos.h: PROTO -> PARAMS.
13459 * config/arm/arm.c: Likewise.
13460 * config/c4x/c4x.c: Likewise.
13461 * config/fr30/fr30-protos.h: Likewise.
13462 * config/nextstep.c: Likewise.
13463 * config/pa/pa.c: Likewise.
13464 * config/pj/pj.c: Likewise.
13465 * config/rs6000/rs6000.c: Likewise.
13466 * config/v850/v850-protos.h: Likewise.
13467 * config/v850/v850.c: Likewise.
13469 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13471 * i370-protos.h: New file.
13473 * i370.c: Include tm_p.h. Fix compile time warnings.
13475 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13478 * i370.md: Likewise.
13480 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13482 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13483 (target_isinf, target_isnan, eisnan): Mark parameter with
13485 (eiisinf): Wrap in INFINITY.
13486 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13487 (ibmtoe): Remove unused variable `rndsav'.
13489 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13491 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13492 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13494 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13496 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13497 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13498 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13500 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13501 Recognize Emacs mode markers also.
13502 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13503 C++ comments in C++ headers. Call is_cxx_header only if
13506 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13507 bypass for ncurses.
13508 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13509 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13510 ... these, which use the new C fixes.
13511 (math_exception): Escape literal '+' in bypass expression.
13513 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13516 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13518 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13521 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13523 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13524 prior to calling scan_loop.
13526 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13528 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13529 (split_branches, calc_live_regs): Likewise.
13531 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13533 * sh.md (fpu_single, fp_mode): New attributes.
13535 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13537 * loop.c (current_loop_info): Renamed from loop_info_data
13538 and changed to a pointer.
13539 (loop_optimize): Allocate loop_info structure for each loop
13540 and initialise to zero.
13541 (scan_loop): Set current_loop_info.
13543 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13546 2000-01-19 Richard Henderson <rth@cygnus.com>
13548 * stupid.c: Die die die.
13549 * Makefile.in (OBJS): Remove stupid.o.
13550 (stupid.o): Likewise.
13552 * except.c (emit_eh_context): Don't emit USEs for stupid.
13553 * explow.c (probe_stack_range): Likewise.
13554 * flags.h (obey_regdecls): Remove.
13555 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13556 when not optimizing.
13557 (life_analysis): Limit data collection when not optimizing.
13558 (mark_regs_live_at_end): Always mark the return value registers.
13559 (mark_used_regs): Remove dummy RETURN case.
13560 (print_rtl_with_bb): Don't consult obey_regdecls.
13561 * function.c (use_variable, use_variable_after): Remove.
13562 (assign_parms): Consult optimize not obey_regdecls.
13563 (expand_function_start): Don't emit USEs for stupid.
13564 (expand_function_end): Likewise.
13565 * global.c (build_insn_chain): Export.
13566 * integrate.c (expand_inline_function): Kill return-value USE
13568 * jump.c (jump_optimize_1): Do simple jump optimizations and
13569 dead code elimination.
13570 (calculate_can_reach_end): Remove check_deleted argument.
13571 (delete_insn): Patch out insns even when not optimizing.
13572 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13573 * rtl.h (use_variable, use_variable_after): Remove declarations.
13574 (build_insn_chain): Declare.
13575 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13576 (expand_end_bindings): Likewise.
13577 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13578 * toplev.c (obey_regdecls): Remove.
13579 (rest_of_compilation): Don't set it. Kill stupid in favour of
13580 flow1, local-alloc, and reload.
13581 (main): Don't set obey_regdecls.
13583 * config/nextstep.c (handle_pragma): Likewise.
13585 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13587 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13589 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13591 * alpha-protos.h: PROTO -> PARAMS.
13592 * alpha.c: Likewise.
13594 * h8300.c: Likewise.
13595 * i386-protos.h: Likewise.
13596 * i386.c: Likewise.
13597 * m32r-protos.h: Likewise.
13598 * m32r.c: Likewise.
13599 * mips.c: Likewise.
13600 * mips.md: Likewise.
13601 * gmon-sol2.c: Likewise.
13602 * sparc.c: Likewise.
13604 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13606 * ns32k-protos.h: New file.
13608 * ns32k.c: Fix compile time warnings.
13610 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13613 * ns32k.md: Likewise.
13615 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13617 * vax-protos.h: New file.
13619 * vax.c: Fix compile time warnings.
13621 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13624 * vax.md: Likewise.
13626 * vaxv.md: Likewise.
13628 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13630 * romp-protos.h: New file.
13632 * romp.c: Fix compile time warnings.
13634 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13637 * romp.md: Likewise.
13639 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13641 * we32k-protos.h: New file.
13643 * we32k.c: Fix compile time warnings.
13645 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13648 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13650 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13652 * except.c (eh_regs): Likewise.
13654 * final.c (output_operand): Likewise.
13656 * fold-const.c (target_isinf, target_isnan): Likewise.
13658 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13660 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13661 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13663 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13664 when optimize_size.
13665 (clrstrsi): Rewrite.
13666 (strsethi, strsetqi): New expanders.
13667 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13668 (cmpstrsi): Emit compare insn before cmpstrsi_1
13669 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13670 (strlensi_1): Likewise.
13671 (cmpstrsi_1): Likewise; do not output compare.
13672 (strlen expander): Do not unroll when optimizing for size.
13673 (*subsi3_carry): Rename to subsi3_carry
13674 (addqi3_cc): New pattern.
13675 * i386.h (processor_costs): Add move_ratio field.
13676 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13677 * i386.c (*_cost): Set move_ratio.
13678 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13679 (x86_expand_strlensi_1): Rewrite the main loop.
13681 2000-01-17 Richard Henderson <rth@cygnus.com>
13683 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13684 * cse.c (find_comparison_args, fold_rtx): Likewise.
13685 * integrate.c (subst_constants): Likewise.
13686 * loop.c (get_condition): Likewise.
13688 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13690 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13692 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13694 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13695 (RESTORE_WARN_FLAGS): Unpack it.
13696 Change semantic type of extension to ttype.
13697 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13698 * c-parse.y, c-parse.c, objc/objc-parse.y,
13699 objc/objc-parse.c: Regenerate.
13701 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13703 * fixinc/fixlib.c: Add copyright notice.
13704 (compile_re): New function.
13705 * fixinc/fixlib.h: Prototype compile_re.
13707 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13708 Use compile_re to compile regular expressions.
13710 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13711 where the pattern matched.
13713 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13715 (ultrix_ansi_compat): Likewise.
13716 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13718 (interactv_add2, interactv_add3): Delete.
13719 (x11_sprintf): Don't use filename glob.
13720 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13723 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13725 * print-rtl.c: PROTO -> PARAMS.
13726 * real.c: Likewise.
13727 * reg-stack.c: Likewise.
13728 * resource.c: Likewise.
13729 * sdbout.h: Likewise.
13730 * simplify-rtx.c: Likewise.
13731 * stor-layout.c: Likewise.
13732 * stupid.c: Likewise.
13733 * xcoffout.c: Likewise.
13734 * xcoffout.h: Likewise.
13736 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13738 * toplev.c: PROTO -> PARAMS.
13739 * toplev.h: Likewise.
13740 * tree.c: Likewise.
13741 * tree.h: Likewise.
13742 * unroll.c: Likewise.
13743 * varasm.c: Likewise.
13744 * varray.c: Likewise.
13745 * varray.h: Likewise.
13747 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13749 * reload.c: PROTO -> PARAMS.
13750 * reload.h: Likewise.
13751 * reload1.c: Likewise.
13752 * reorg.c: Likewise.
13753 * resource.h: Likewise.
13756 * rtlanal.c: Likewise.
13757 * sbitmap.h: Likewise.
13758 * sdbout.c: Likewise.
13759 * stack.h: Likewise.
13760 * stmt.c: Likewise.
13761 * system.h: Likewise.
13763 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13765 * machmode.h: PROTO -> PARAMS.
13766 * mbchar.h: Likewise.
13767 * mips-tdump.c: Likewise.
13768 * mips-tfile.c: Likewise.
13769 * optabs.c: Likewise.
13770 * output.h: Likewise.
13771 * prefix.c: Likewise.
13772 * profile.c: Likewise.
13773 * protoize.c: Likewise.
13774 * real.h: Likewise.
13775 * recog.c: Likewise.
13776 * recog.h: Likewise.
13777 * regclass.c: Likewise.
13778 * regmove.c: Likewise.
13779 * regs.h: Likewise.
13781 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13783 * ggc-common.c: PROTO -> PARAMS.
13784 * ggc-page.c: Likewise.
13785 * ggc-simple.c: Likewise.
13787 * global.c: Likewise.
13788 * graph.c: Likewise.
13789 * gthr-win32.h: Likewise.
13790 * haifa-sched.c: Likewise.
13791 * halfpic.h: Likewise.
13792 * integrate.c: Likewise.
13793 * integrate.h: Likewise.
13794 * jump.c: Likewise.
13796 * local-alloc.c: Likewise.
13797 * loop.c: Likewise.
13798 * loop.h: Likewise.
13800 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13802 * genattr.c: PROTO -> PARAMS.
13803 * genattrtab.c: Likewise.
13804 * gencheck.c: Likewise.
13805 * gencodes.c: Likewise.
13806 * genconfig.c: Likewise.
13807 * genemit.c: Likewise.
13808 * genextract.c: Likewise.
13809 * genflags.c: Likewise.
13810 * gengenrtl.c: Likewise.
13811 * genopinit.c: Likewise.
13812 * genoutput.c: Likewise.
13813 * genpeep.c: Likewise.
13814 * genrecog.c: Likewise.
13816 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13818 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13820 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13822 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13823 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13824 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13825 * configure, config.in: Rebuilt.
13827 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13829 * config/i386/i386.md: Add peephole to merge successive stack
13832 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13834 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13835 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13836 when walking backwards to find all the parameter loads when
13837 the basic block ends in a call.
13839 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13841 * loop.c (this_loop_info): Delete.
13842 (uid_loop): Add in place of uid_loop_num. All uses updated.
13843 (loop_number_exit_count): Delete and replace with entry in loop
13844 structure. All uses updated.
13845 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13846 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13847 (loop_outer_loop): Likewise.
13848 (loop_invalid, loop_number_exit_labels): Likewise.
13849 (loop_used_count_register): Delete and replace with entry in
13850 loop_info structure.
13851 (find_and_verify_loops): Add loops argument.
13852 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13853 loop_end, etc. arguments with loop structure pointer. All callers
13855 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13856 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13857 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13858 (insert_bct): Likewise.
13859 (basic_induction_var): New argument level.
13860 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13861 vtop, and cont. Add used_count_register.
13862 (uid_loop): Delete declaration.
13863 (loop_number_exit_count): Likewise.
13864 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13865 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13866 (loop_outer_loop, loop_used_count_register): Likewise.
13867 (loop_invalid, loop_number_exit_labels): Likewise.
13868 (unroll_loop): Replace loop_start and loop_end arguments
13869 with loop structure pointer.
13870 (loop_precondition_p, loop_iterations): Likewise.
13871 Include basic-block.h.
13872 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13873 with loop structure pointer.
13874 (loop_precondition_p, loop_iterations): Likewise.
13875 * basic-block.h (struct loop): New entries vtop, cont,
13876 cont_dominator, start, end, top, scan_start, exit_labels,
13878 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13880 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13882 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13884 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13886 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13888 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13890 * pdp11-protos.h: New file.
13892 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13895 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13898 * pdp11.md: Likewise.
13900 * 2bsd.h: Likewise.
13902 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13904 * mn10300-protos.h: New file.
13906 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13909 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13912 * mn10300.md: Likewise.
13914 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13916 * mn10200-protos.h: New file.
13918 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13921 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13924 * mn10200.md: Likewise.
13926 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13928 * h8300-protos.h: New file.
13930 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13933 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13936 * h8300.md: Likewise.
13938 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13940 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13941 (asm_emit_uninitialised): Likewise.
13943 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13945 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13946 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13948 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13950 * config/mips/mips.c (override_options): Don't turn on extra
13951 alignment for mips16.
13953 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13955 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13956 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13959 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13961 * builtins.c (PAD_VARARGS_DOWN): Define.
13962 (std_expand_builtin_va_arg): Use the above macro.
13963 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13964 * tm.texi (Register Arguments): Document the above macro.
13966 2000-01-14 Nick Clifton <nickc@cygnus.com>
13968 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13969 that this function has not been used to emit a jump
13972 * jump.c (return_jump_1): Cope with being passed a null rtx.
13974 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13976 * eh-common.h: PROTO -> PARAMS.
13977 * emit-rtl.c: Likewise.
13978 * errors.c: Likewise.
13979 * errors.h: Likewise.
13980 * except.c: Likewise.
13981 * except.h: Likewise.
13982 * explow.c: Likewise.
13983 * expmed.c: Likewise.
13984 * expr.c: Likewise.
13985 * expr.h: Likewise.
13986 * final.c: Likewise.
13987 * fix-header.c: Likewise.
13988 * flow.c: Likewise.
13989 * fold-const.c: Likewise.
13990 * function.c: Likewise.
13991 * function.h: Likewise.
13993 * gcov-io.h: Likewise.
13994 * gcov.c: Likewise.
13995 * gcse.c: Likewise.
13997 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13999 * sh-protos.h: New file.
14001 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14002 Add static prototypes. Fix compile time warnings.
14004 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14008 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14010 * arc-protos.h: New file.
14012 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14015 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14018 * arc.md: Likewise.
14020 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14022 * dsp16xx-protos.h: New file.
14024 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14027 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14030 * dsp16xx.md: Likewise.
14032 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14034 * convex-protos.h: New file.
14036 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14039 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14042 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14044 * elxsi-protos.h: New file.
14046 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14049 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14052 * elxsi.md: Likewise.
14054 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14056 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14057 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14058 match the comment for MIPS16.
14060 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14062 * flow.c (split_edge): Do not call set_block_for_insn if we
14063 do not have a basic_block_for_insn structure.
14065 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14066 and destination functions are 32bit aligned within the trampoline.
14067 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14068 (TRAMPOLINE_ALIGNMENT): Define.
14070 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14071 (set (pc) (label_ref)), verify the change creates a valid insn.
14073 * fr30.c (call_operand): Tighten and rework to match rules for
14074 call RTL expressions.
14075 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14076 * fr30.md (call patterns): Improve constraints.
14078 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14080 * fr30.c (fr30_expand_epilogue): Revert last change.
14081 Use emit_jump_insn for the return insn.
14083 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14084 Stan Cox <scox@cygnus.com>
14086 * predict.c: New file. Preliminary infrastructure work for static
14087 branch prediction and basic block reordering.
14088 * basic-block.h: Add prototype for estimate_probability.
14089 * Makefile.in: Add rules for predict.o.
14091 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14093 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14094 * fixinc/*: Likewise.
14096 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14098 * cccp.c: PROTO -> PARAMS.
14099 * cexp.y: Likewise.
14100 * collect2.c: Likewise.
14101 * combine.c: Likewise.
14102 * convert.h: Likewise.
14104 * dbxout.c: Likewise.
14105 * dbxout.h: Likewise.
14106 * diagnostic.c: Likewise.
14107 * doprint.c: Likewise.
14108 * dwarf2out.c: Likewise.
14109 * dwarf2out.h: Likewise.
14110 * dwarfout.c: Likewise.
14111 * dwarfout.h: Likewise.
14112 * dyn-string.h: Likewise.
14114 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14116 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14117 macro conditionals guarding use.
14119 * dwarf2out.c: Include "tm_p.h".
14121 * function.c (locate_and_pad_parm): Mark parameter with
14123 (expand_function_end): Likewise for variable `context'.
14125 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14127 2000-01-13 Nick Clifton <nickc@cygnus.com>
14129 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14130 register to prevent compile time warnings.
14132 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14134 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14135 to avoid -Wtraditional warning.
14137 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14139 * 1750a-protos.h: New file.
14141 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14144 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14147 * 1750a.md: Likewise.
14149 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14151 * a29k-protos.h: New file.
14153 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14156 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14159 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14161 * clipper-protos.h: New file.
14163 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14166 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14169 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14171 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14173 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14175 * configure.in (--enable-new-gxx-abi): New option.
14176 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14177 * Makefile.in (GXX_ABI_FLAG): New variable.
14178 * configure: Regenerate.
14180 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14182 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14183 * tm.texi (FORCE_STRUCT_BLK): Document.
14184 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14186 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14188 * config/ns32k/ns32k.md: Revert Jan 9 change.
14190 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14191 to a mode-test, if the predicate is address_operand.
14193 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14195 * combine.c (if_then_else_cond): Be careful about what kinds
14196 of RTL expressions are passed to operand_subword.
14198 * flow.c (split_edge): If we have to insert a new jump, make
14199 sure to associate it with a basic block.
14201 * flow.c (commit_one_edge_insertion): A block with one successor
14202 can end in a JUMP_INSN that is not a simplejump.
14204 2000-01-12 Robert Lipe <robertl@sco.com>
14206 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14207 (BUILD_VA_LIST_TYPE): Define.
14208 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14211 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14213 * cccp.c (do_pragma): Add cast to (char *).
14215 2000-01-12 Richard Henderson <rth@cygnus.com>
14216 Fred Fish <fnf@be.com>
14217 Jason Merrill <jason@cygnus.com>
14219 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14220 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14221 * i386/beos-elf.h, i386/beos-pe.h: New files.
14223 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14224 * cross-make (SYSTEM_HEADER_DIR): Define using
14225 CROSS_SYSTEM_HEADER_DIR.
14227 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14228 (process_command): Use it.
14229 (main): Likewise. Kill trailing = from env vars.
14230 (build_search_list): Put it back.
14231 * collect2.c (main): Use LIBRARY_PATH_ENV.
14233 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14234 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14236 * tm.texi (Frame Layout): Document SMALL_STACK.
14237 * c-common.c (c_common_nodes_and_builtins): Check it.
14239 * system.h: Undef alloca after including glibc's <stdlib.h>,
14240 if USE_C_ALLOCA is defined.
14242 * gcc.c (set_input): New fn.
14243 (main): After all input files are compiled, reset the input file
14246 * aclocal.m4 (rindex, index): If already defined, don't attempt
14249 * ginclude/varargs.h: (__va_list__): Define ifndef.
14250 * ginclude/stdarg.h: Likewise.
14252 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14253 instead of unsigned char.
14255 * hash.h (true, false, boolean): Undef before enum.
14257 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14258 proper type of "HOST_WIDE_INT *", rather than their natural type of
14259 "unsigned HOST_WIDE_INT *".
14261 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14263 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14265 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14267 * regclass.c (choose_hard_reg_mode): Likewise.
14269 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14271 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14273 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14275 * c-common.c: PROTO -> PARAMS.
14276 * c-common.h: Likewise.
14277 * c-decl.c: Likewise.
14278 * c-iterate.c: Likewise.
14279 * c-lang.c: Likewise.
14280 * c-lex.c: Likewise.
14281 * c-lex.h: Likewise.
14282 * c-parse.in: Likewise.
14283 * c-pragma.c: Likewise.
14284 * c-pragma.h: Likewise.
14285 * c-tree.h: Likewise.
14286 * c-typeck.c: Likewise.
14287 * objc/objc-act.c: Likewise.
14288 * objc/objc-act.h: Likewise.
14290 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14292 * m88k-protos.h: New file.
14294 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14297 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14299 * m88k.md: Likewise.
14301 * tekXD88.h: Likewise.
14303 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14305 * m68k-protos.h: New file.
14307 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14310 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14312 * mot3300.h: Likewise.
14314 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14316 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14318 (extract_bitlist): Declare bitlen.
14320 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14322 * cccp.c: Accept and ignore -lang-fortran.
14324 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14325 qualifiers don't match at any level of pointerness.
14327 2000-01-12 Robert Lipe <robertl@sco.com>
14329 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14331 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14333 * reload1.c (reload_reg_unavailable): New static variable.
14334 (reload_reg_free_p): Test it.
14335 (reload_reg_free_for_value_p): Test it instead of
14337 (choose_reload_regs_init): Compute it.
14339 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14341 * reorg.c (fill_slots_from_thread): Check modified_in_p
14344 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14346 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14347 these nodes even if INTERNALS is not set.
14349 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14351 * gcse.c (delete_null_pointer_checks_1): Cope when
14352 get_condition cannot determine the condition.
14354 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14356 * toplev.h (set_message_length): Declare.
14358 * diagnostic.c (obstack_chunk_alloc): Define macro.
14359 (obstack_chunk_free): Likewise.
14360 (struct output_buffer): New data structure.
14361 (vmessage): Remove.
14362 (output_maximum_width): New variable.
14363 (doing_line_wrapping, set_message_length, init_output_buffer,
14364 get_output_prefix, output_space_left, emit_output_prefix,
14365 output_newline, output_append, output_puts, dump_output,
14366 vbuild_message_string, build_message_string, build_location_prefix,
14367 voutput_notice, output_printf, line_wrapper_printf,
14368 vline_wrapper_message_with_location): New functions. Implement
14369 automatic line wrapping.
14370 (v_message_with_decl): Make it handle automatic line wrapping.
14371 (v_error_with_file_and_line): Likewise.
14372 (v_warning_with_file_and_line): Likewise.
14373 (announce_function): Likewise.
14374 (default_print_error_function): Likewise.
14376 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14378 * cpplib.h (struct cpp_options): Change lang_asm to char.
14380 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14381 done in cpp_handle_option now.
14382 (initialize_builtins): Take out special case code used only by
14384 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14385 if -traditional. Recognize -lang-fortran and set
14386 lang_fortran, also turn off cplusplus_comments.
14387 (print_help): Document -lang-fortran.
14388 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14389 lang_asm. Ignore all directives other than `# 123 "file"' if
14391 (cpp_get_token): If -traditional, don't recognize directives
14392 unless the # is in column 1.
14393 (parse_string): If lang_fortran or lang_asm, silently
14394 terminate strings ('' or "") at end of line.
14395 Remove unnecessary braces.
14397 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14398 Richard Henderson <rth@cygnus.com>
14400 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14402 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14403 strict_low_part when possible.
14405 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14407 * alias.c: PROTO -> PARAMS.
14408 * basic-block.h: Likewise.
14409 * bitmap.c: Likewise.
14410 * bitmap.h: Likewise.
14411 * builtins.c: Likewise.
14412 * c-aux-info.c: Likewise.
14413 * caller-save.c: Likewise.
14414 * calls.c: Likewise.
14416 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14418 * Makefile.in (toplev.o): Depend on regs.h.
14420 * output.h (tdesc_section): Prototype.
14422 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14424 * sdbout.c: Include "tm_p.h".
14426 * toplev.c: Include "regs.h".
14428 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14430 * unroll.c (unroll_loop): Add EH support.
14432 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14434 * pa-protos.h: New file.
14436 * pa.c: Include recog.h and tm_p.h.
14437 (compute_zdepwi_operands, compute_movstrsi_length,
14438 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14439 find_addr_reg, import_milli): Add static prototypes.
14440 (pa_cpu_string, pa_arch_string): Constify a char*.
14441 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14442 (read_only_operand): Add argument `mode'.
14443 (singlemove_string, output_move_double, output_fp_move_double,
14444 output_block_move, output_and, output_ior, output_ascii,
14445 remove_useless_addtr_insns, milli_names, output_mul_insn,
14446 output_div_insn, output_mod_insn, output_arg_descriptor,
14447 output_cbranch, output_bb, output_bvb, output_dbra, ,
14448 output_millicode_call, output_call, hppa_encode_label,
14449 output_parallel_movb, output_parallel_addb): Constify a char*.
14450 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14451 (output_parallel_addb): Remove extra arg to `constrain_operands'
14453 * pa.h: Move all prototypes to pa-protos.h.
14454 (pa_cpu_string, pa_arch_string): Constify a char*.
14455 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14457 * pa.md: Call `function_label_operand' with mode argument.
14458 Likewise for `read_only_operand'.
14459 Fix nesting of parens in call to `symbolic_operand'.
14461 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14463 * i860-protos.h: New file.
14465 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14468 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14470 * i860.md: Likewise.
14472 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14474 * i386.md (movstrsi expander): Rewrite.
14475 (movstrsi_1 insn): Deleted.
14476 (strmovhi, strmovqi expander): New expanders.
14477 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14478 * i386.c (x86_single_stringop): New global variable.
14479 * i386.h (x86_single_stringop): Declare.
14480 (TARGET_SINGLE_STRINGOP): New macro.
14482 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14484 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14485 integer vararg POSTINCREMENT before the destination of the jump
14486 for the hard fp case.
14487 (function_arg_pass_by_reference): Pass a copy of CUM to
14490 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14491 for CONSTANT_ADDRESS_P above while loop for subreg.
14493 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14495 * flow.c (propagate_block): When a prologue/epilogue insn
14496 is marked dead, unconditionally clear libcall_is_dead and
14497 insn_is_dead, and only dump rtl if warnings aren't being
14500 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14502 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14503 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14504 (FIXED_REGISTERS): Set dirflag as fixed.
14505 (CALL_USED_REGISTERS): Set dirflag as used.
14506 (REG_ALLOC_ORDER): Set dirflag as last one.
14507 (DIRFLAG_REG): New macro.
14508 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14509 (HI_REGISTER_NAMES): Add dirflag.
14510 (DEBUF_PRINT_REG): Handle dirflag.
14511 * i386.md (type attribute): New cld and str types.
14512 (length_opcode attribute): Set cld and str to 1.
14513 (memory attribute): Set str to unknown - it is not clear from the
14515 (pent_np function unit): Prefixed string operations takes 12 cycles
14516 minimally; cld takes 2 cycles.
14517 (ppro_uops attribute): Str is "many" and cld is "few".
14518 (ppro_p0 unit): Handle cld here.
14519 (k6_alux unit): Handle cld and str types.
14520 (k6_load unit): It is ocupied by str opcodes.
14521 (k6_store unit): It is ocupied by str opcodes.
14522 (athlon_decode): Str is vector decoded.
14523 (athlon_ieu): Handle str and cld.
14524 (cld pattern): New.
14525 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14526 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14527 cmpstrsi_nz_1 insn): Do not output cld instruction
14529 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14531 * gcc.texi (G++ and GCC): Add Java and Chill.
14532 (Bug Critera): Don't list languages.
14534 * gcc.texi (Incompatibilities): No longer claim most C compilers
14537 * gcc.texi (G++ and GCC): Update other front-ends list.
14539 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14541 * i386.c (ix86_expand_setcc): Fix typo.
14542 (ix86_expand_movcc): Similarly.
14544 * Band-aid until haifa's bitset implementation is nuked.
14545 * haifa-sched.c (extract_bitlst): New parameter for size of the
14546 bitset in bits. All callers changed. Avoid looking at undefined
14547 bits in the bitset.
14548 (edgeset_bitsize): New variable.
14549 (schedule_region): Initialize edgeset_bitsize.
14551 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14553 * Makefile.in (optabs.o): Depend on real.h
14554 (resource.o): Depend on insn-attr.h
14556 * builtins.c (result_vector): Wrap prototype in macro conditions
14557 governing definition and use.
14559 * c-common.c: Include tm_p.h.
14561 * c-lex.c: Likewise.
14563 * elfos.h: Constify a char*.
14565 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14566 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14567 parameter with ATTRIBUTE_UNUSED.
14569 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14572 * haifa-sched.c (schedule_insns): Mark parameter with
14575 * optabs.c: Include real.h.
14577 * real.h (ereal_atof): Add prototype arguments.
14579 * resource.c: Include insn-attr.h.
14581 * sdbout.c (sdbout_queue_anonymous_type,
14582 sdbout_dequeue_anonymous_types): Wrap in macro
14583 SDB_ALLOW_FORWARD_REFERENCES.
14584 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14587 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14589 * stupid.c: Include tm_p.h.
14591 * tree.c (real_value_from_int_cst): Mark parameter with
14594 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14596 * i960-protos.h: New file.
14598 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14601 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14603 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14605 * combine.c (expand_field_assignment): Do not discard SUBREGs
14606 while computing nonzero_bits.
14608 2000-01-09 Nick Clifton <nickc@cygnus.com>
14610 * config/arm/arm.c: Fix compile time warnings about signed vs
14611 unsigned constants.
14612 * config/arm/arm.h: Fix compile time warnings about signed vs
14613 unsigned constants.
14615 2000-01-09 Philip Blundell <philb@gnu.org>
14617 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14618 than `ldm' with only one register.
14619 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14622 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14625 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14627 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14630 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14632 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14633 assignment used as truth value.
14635 * function.c (assign_temp): Mark parameter `dont_promote' with
14636 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14637 PROMOTE_FOR_CALL_ONLY.
14639 * genrecog.c (write_subroutine): Mark variable `operands' with
14642 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14645 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14646 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14648 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14651 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14653 * config/c4x.h: Tidy up comments.
14654 * config/c4x.c: Likewise.
14656 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14658 * fold-const.c (lshift_double, rshift_double): Handle
14659 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14661 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14663 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14664 in prepare_function_start().
14666 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14668 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14669 longer allocate extra stack for function calls.
14671 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14673 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14675 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14677 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14679 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14681 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14682 * aix43.h: Revert Aug 2 change.
14683 (HAS_INIT_SECTION): Define, not visible yet.
14684 (LD_INIT_SWITCH): Define, not visible yet.
14685 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14687 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14689 * collect2.c (main): Expand ld2 size further.
14690 (export_object_lst): Cast assignment to avoid warning.
14691 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14692 (scan_prog_file, COFF): Do not collect initialization or
14693 finalization functions generated for entire shared object if
14694 init/fini support present.
14696 2000-01-07 Nick Clifton <nickc@cygnus.com>
14698 * config/elfos.h: Tidy up formatting of marcos. Make sure
14699 that .section directives are always prefixed by a tab.
14701 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14704 2000-01-07 Matt Austern <austern@sgi.com>
14706 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14709 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14711 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14713 (crtbegin.o, s-crtS): Likewise.
14715 2000-01-06 Richard Henderson <rth@cygnus.com>
14717 * alpha.md (adddi_2+1): Limit offset such that it will be
14718 loadable with a single ldah+lda pair.
14719 (adddi_2+2): Explicitly fail split if we can't make it work.
14721 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14723 * protoize.c: Conditionally include unistd.h.
14724 (IS_SAME_PATH_CHAR): New macro.
14725 (IS_SAME_PATH): New macro.
14726 (CPLUS_FILE_SUFFIX): New macro.
14727 (cplus_suffix): New static variable.
14728 (is_abspath): New static function.
14729 (in_system_include_dir): Handle DOS style pathnames.
14730 (file_could_be_converted): Likewise.
14731 (file_normally_convertible): Likewise.
14732 (directory_specified_p): Likewise.
14733 (file_excluded_p): Likewise.
14734 (abspath): Likewise.
14735 (shortpath): Likewise.
14736 (referenced_file_is_newer): Likewise.
14737 (save_def_or_dec): Likewise.
14738 (do_processing): Likewise.
14740 (edit_file): Likewise. Use rename instead of link.
14741 (rename_c_file): Likewise. Don't rename syscalls file.
14742 (munge_compile_params): Define null device for DOS based systems.
14743 (process_aux_info_file): Use binary mode if appliable.
14744 (edit_file): Likewise.
14745 * invoke.texi (Running Protoize): Document C++ suffixes used.
14747 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14748 IS_DIR_SEPARATOR macros.
14749 * collect2.c: Likewise.
14750 * cppinit.c: Likewise.
14751 * dwarf2out.c: Likewise.
14753 * gcov.c: Likewise.
14754 * prefix.c: Likewise.
14756 * toplev.c: Likewise.
14757 * system.h: And move to here.
14759 * prefix.c (update_path): Fix typo in variable name.
14761 2000-01-06 Richard Henderson <rth@cygnus.com>
14763 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14764 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14765 (count_reg_sets_1, count_reg_references): Likewise.
14766 (flow_loops_level_compute): Start counting actual loop depth at 1.
14767 (flow_loops_find): Likewise.
14768 * local-alloc.c (update_equiv_regs): Likewise.
14769 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14771 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14773 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14774 FIRST_PSEUDO_REGISTER
14775 * dwarf2out.c: Don't include frame.h
14776 * dwarfout.c: Likewise
14777 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14780 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14782 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14785 * i386.c (movsf splitter): Fix typo in my last checkin.
14787 2000-01-05 Nick Clifton <nickc@cygnus.com>
14789 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14790 own definition of this macro.
14791 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14792 flag_data_sections or UNIQUE_SECTION_P are true.
14794 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14795 unitialised data decls.
14797 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14798 being called for uninitialised data.
14800 * config/i386/interix.c (i386_pe_unique_section): Cope with
14801 being called for uninitialised data.
14803 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14804 for uninitialised data.
14806 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14807 for uninitialised data.
14809 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14810 for uninitialised data.
14812 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14813 (UNIQUE_SECTION_P): Always generate a unique section if
14814 flag_data_sections is true.
14815 (UNIQUE_SECTION): Also generate unique sections for
14816 uninitialised data.
14817 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14818 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14821 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14823 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14826 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14828 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14829 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14830 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14831 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14832 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14834 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14836 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14838 * c-decl.c (finish_enum): Simplify code to determine minimum and
14839 maximum values of the enum, and calculate the type. Remove check
14840 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14841 the DECL_INITIAL of each enumeration constant with a copy converted
14842 to the enumeration type. When updating variant types, don't bother
14843 updating the type itself.
14845 * c-typeck.c (build_binary_op): Simplify conditional expressions
14846 when weeding out spurious signed-unsigned warnings. Add new
14847 spurious warning category: if the unsigned quantity is an enum
14848 and its maximum value fits in signed_type(result_type). Update
14850 (build_conditional_expr): Warn here if one alternative is signed
14851 and the other is unsigned.
14853 2000-01-05 Nick Clifton <nickc@cygnus.com>
14855 * config/fr30/fr30.h: Remove extraneous comments.
14857 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14859 * reload1.c (choose_reload_regs): When disabling a reload, also
14860 set reload_spill_index to -1.
14862 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14864 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14866 (m68*-*-rtemself*): New target.
14867 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14868 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14869 (sparc*-*-rtemself*): New target.
14870 (sparc*-*-rtems*): Now elf not a.out.
14871 * config/i386/rtems.h: Include config/rtems.h.
14872 * config/i386/rtemself.h: Include config/rtems.h.
14873 * config/i960/rtems.h: Include config/rtems.h.
14874 * config/m68k/rtems.h: Include config/rtems.h.
14875 * config/m68k/rtemself.h: Include config/rtems.h.
14876 * config/mips/rtems64.h: Include config/rtems.h.
14877 * config/pa/rtems.h: Include config/rtems.h.
14878 * config/rs6000/rtems.h: Include config/rtems.h.
14879 * config/sh/rtems.h: Include config/rtems.h.
14880 * config/sh/rtemself.h: Include config/rtems.h.
14881 * config/sparc/rtems.h: Include config/rtems.h.
14882 * config/sparc/rtemself.h: Include config/rtems.h
14884 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14886 * final.c (shorten_branches): Correctly compute length of
14887 asms without operands.
14889 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14891 * configure.in: Add pj target.
14892 * configure: Regenerate.
14893 * config/pj: New directory.
14894 * config/pj/lib1funcs.S: New file.
14895 * config/pj/linux.h: New file.
14896 * config/pj/pj.c: New file.
14897 * config/pj/pj.md: New file.
14898 * config/pj/pjl.h: New file.
14899 * config/pj/t-pj: New file.
14900 * config/pj/xm-pj.h: New file
14902 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14904 * toplev.c (rest_of_compilation): Run shorten-branches before
14907 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14909 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14910 macros so that they're consistent with their names.
14911 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14912 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14914 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14916 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14917 modified inadvertently.
14919 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14921 * configure.in (v850*-*-rtems*): New target.
14922 * configure: Regenerate.
14923 * config/v850/rtems.h: New file.
14925 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14927 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14928 (__gthread_key_create): Likewise.
14929 (__gthread_key_dtor): Likewise.
14930 (__gthread_once): Fix logic.
14931 (__gthread_key_delete): Cast away constness.
14933 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14934 * invoke.texi: Document.
14935 * i386/mingw32.h (CPP_SPEC): Use.
14936 (LIBGCC_SPEC): Likewise.
14937 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14939 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14941 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14942 (HANDLE_PRAGMA_PACK): Undefine.
14943 (SLOW_UNALIGNED_ACCESS): Define.
14945 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14947 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14948 to default definition.
14949 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14950 (store_fixed_bit_field): Call macro with word_mode and alignment.
14951 (extract_bit_field): Call macro with relevant mode and alignment.
14952 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14953 to default definition.
14954 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14956 (move_by_pieces_ninsns): Likewise.
14957 (clear_by_pieces): Likewise.
14958 (emit_push_insn): Likewise.
14959 (store_field): Call macro with relevant mode and alignment.
14960 (expand_expr): Likewise.
14961 (expand_expr_unaligned): Likewise.
14963 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14964 (SLOW_UNALIGNED_ACCESS): Define.
14965 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14966 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14967 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14968 (toc_section): Likewise and .toc pseudo-op.
14969 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14971 (TEXT_SECTION_ASM_OP): Likewise.
14972 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14975 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14976 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14977 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14978 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14979 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14981 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14983 * regclass.c: Revert my Jan 4 change to loop cost computation.
14985 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14987 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14990 2000-01-04 Stan Cox <scox@cygnus.com>
14992 * haifa-sched.c (build_control_flow): Change unreachable simple
14993 loop test to check if current block has only one predecessor.
14994 (find_rgns): Initialize degree. Use dest as degree index, not src.
14996 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14998 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15000 * calls.c (expand_call): Likewise for
15001 `old_stack_arg_under_construction'.
15003 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15005 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15008 * gcc.c (execute): Likewise for `ut' and `st'.
15010 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15012 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15014 * jump.c (jump_optimize_1): Likewise for `temp2'.
15016 * local-alloc.c (block_alloc): Likewise for `r1'.
15018 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15020 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15021 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15023 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15026 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15027 and `goal_earlyclobber'.
15029 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15031 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15033 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15035 * unroll.c (copy_loop_body): Likewise for `copy'.
15037 * varasm.c (output_constructor): Likewise for `byte'.
15039 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15041 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15042 all FP constants for constant->reg moves.
15043 (ix86_split_to_parts): Try to convert memory address into immediate
15044 when available in the constant pool.
15045 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15047 (LEGITIMATE_CONSTANT_P): Return 1.
15048 * i386.md (pushsf): New splitter to convert constant pool memory
15049 reference to immediate.
15050 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15053 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15055 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15056 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15057 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15058 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15059 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15061 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15063 * ginclude/stdbool.h: Support compilation as C++.
15065 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15067 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15069 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15071 * regclass.c (regclass): Properly compute loop_cost. Adjust
15074 * regclass.c: Fix minor whitespace problems.
15076 2000-01-03 Anthony Green <green@cygnus.com>
15078 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15079 Restore the pic register if required.
15081 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15083 * c-common.c (format_char_info): Update comment.
15084 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15085 was recognized. Emit warning for formats new in ISO C99 only
15086 if flag_isoc9x is not set.
15088 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15090 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15092 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15094 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15095 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15096 (make_compound_operation): Choose cheaper alternative between
15097 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15099 * regclass.c (op_costs): Remove global variable.
15100 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15101 (record_operand_costs): Break out from ...
15102 (scan_one_insn): ... here.
15103 (dump_regclass): Make dumps nicer.
15104 (regclass): Dump preferrences choosed and changes done during passes.
15106 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15108 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15110 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15112 * config/sparc/sparc.c (gen_df_reg): New function.
15113 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15114 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15115 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15116 movtf_cc_reg_sp64+1): Use it.
15118 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15120 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15121 copied LABEL_DECLs.
15123 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15125 * config/i386/i386.c (ix86_expand_unary_operator): Function
15126 definition made void.
15127 (ix86_expand_binary_operator): Update outdated preceding comment.
15128 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15131 * config/i386/i386.c (override_options): Fix option-name typo.
15133 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15135 * system.h (CEIL): Define.
15136 * builtins.c (CEIL): Remove.
15137 * expmed.c (CEIL): Likewise.
15138 * expr.c (CEIL): Likewise.
15139 * stor-layout.c (CEIL): Likewise.
15141 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15143 * expr.c (store_constructor_field): Fix typo introduced with last
15146 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15148 * tree.h (BINFO_N_BASETYPES): New macro.
15150 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15152 * expmed.c (emit_store_flag): Prevent losing a pending stack
15153 adjust the same way we prevent losing queued increments.
15155 See ChangeLog.2 for earlier changes.
OSDN Git Service
