1 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3 * invoke.texi: Remove documentation for -fguiding-decls.
5 2000-05-31 Richard Henderson <rth@cygnus.com>
7 * configure.in: Fix typo last change.
9 2000-05-31 Philipp Thomas <pthomas@suse.de>
11 * configure.in (enable-nls): Enable if build == host, i.e. when
12 not building a canadian cross compiler.
13 (enable-maintainer-mode): Added for use with i18n.
14 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
15 cross section of ALL_LINGUAS and LINGUAS.
18 2000-05-31 Bruce Korb <bkorb@gnu.org>
20 * fixinc/check.tpl: rework to use test result tree
21 * fixinc/Makefile.in: change invocation of check script
22 * fixinc/check.diff: No longer needed
23 * fixinc/fixincl.x: regenerate
24 * fixinc/inclhack.def: add new tests
25 * fixinc/tests/base/arch/i960/archI960.h: New test result
26 * fixinc/tests/base/curses.h: modified test result
27 * fixinc/tests/base/stdio.h: ditto
28 * fixinc/tests/base/time.h: ditto
29 * fixinc/tests/base/sys/asm.h: ditto
30 * fixinc/tests/base/sys/stat.h: ditto
31 * fixinc/tests/base/sys/wait.h: ditto
33 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
35 * except.c (clear_function_eh_region): Do not free NULL.
37 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
39 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
40 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
41 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
42 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
43 (find_base_decl): New function, from c_find_base_decl in c-common.c.
44 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
45 (get_alias_set): Likewise.
46 Major rework to do more things and allow language-specific code
47 to just handle special-cases.
48 (record_alias_subset): Args are HOST_WIDE_INT.
49 (record_component_alias): Local vars are HOST_WIDE_INT.
50 Don't handle COMPLEX_EXPR.
51 (get_varargs_alias_set): Moved from builtins.c.
52 (get_frame_alias_set): New function.
53 * builtins.c (expand_builtin_return_address): Use frame alias set.
54 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
56 (get_memory_rtx): Rework to use set_mem_attributes.
57 (get_varargs_alias_set): Deleted from here.
58 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
59 (c_find_base_decl): Deleted from here.
60 (c_get_alias_set): Remove many cases and rework to just handle
62 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
63 * c-decl.c (rtl.h, expr.h): Now included.
64 (init_decl_processing): Call record_component_aliases on array types.
65 (grokdeclarator): Likewise.
66 Set TREE_ADDRESSABLE for all fields that are not bitfields.
67 * c-typeck.c (common_type): Call record_component_aliases for array.
68 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
69 Set all save areas to the frame alias set.
70 * calls.c (initialie_argument_information): Call set_mem_attributes.
71 (compute_argument_addresses, expand_call): Likewise.
72 * explow.c (set_mem_attributes): New function.
73 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
74 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
75 LEN and OFFSET now HOST_WIDE_INT.
76 (clear_by_pieces): Similar changes.
77 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
78 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
79 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
80 (clear_by_pieces_1): Likewise.
81 (emit_push_insn): Call set_mem_attributes.
82 (expand_expr, case INDIRECT_REF): Likewise.
83 (expand_expr, case VAR_DECL): Call change_address.
84 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
86 (get_varargs_alias_set, get_frame_alias_set): New decls.
87 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
88 (new_alias_set, set_mem_attributes): Likewse.
89 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
90 (assign_stack_temp_for_type): Likewise.
91 Can split slot even if alias set since can copy.
92 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
93 (assign_temp): Use host_integerp and tree_low_cst.
94 (put_var_into_stack): Properly handle SAVE_EXPR.
95 (put_addressof_into_stack): Likewise.
96 (assign_parms): Call set_mem_attributes.
98 (fix_lexical_address): Put reference to chain into frame alias set.
99 (expand_function_start): Call set_mem_attributes.
100 * integrate.c (expand_inline_function): Likewise.
101 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
102 * regmove.c (try_apply_stack_adjustment): Likewise.
103 * reload.c (push_reload, make_memloc): Likewise.
104 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
105 * rtl.def (MEM): Update comment.
106 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
107 (move_by_pieces): Change length to HOST_WIDE_INT.
108 (record_base_value, record_alias_subset): Delete from here.
109 * stmt.c (expand_decl): Call set_mem_attributes.
110 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
111 * toplev.c (compile_file): Call init_alias_once earlier.
112 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
113 from here: now in alias.c.
114 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
115 (struct tree_decl): Likewise.
116 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
117 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
118 (output_constant_def, force_const_mem): Likewise.
120 * flow.c (propagate_block): If block has no successors, stores to
121 frame are dead if not used.
123 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
125 * stmt (expand_end_case): Reorder conversion sequence for jump
126 table to avoid extra truncations.
128 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
130 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
131 in the block is more than just a simple conditional branch.
132 (noce_process_if_block): Similarly.
134 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
136 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
139 2000-05-30 Michael Meissner <meissner@redhat.com>
141 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
142 instructions. Treat LO_SUM operations as loading the full integer
145 2000-05-30 Richard Henderson <rth@cygnus.com>
147 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
149 2000-05-30 Richard Henderson <rth@cygnus.com>
151 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
153 2000-05-30 Bruce Korb <bkorb@gnu.org>
155 * fixinc/tests/*: Added expected result files for fixinc's make check
156 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
158 2000-05-30 Richard Henderson <rth@cygnus.com>
160 * config/alpha/alpha.md (*setne_internal): Use match_operator
161 instead of working down from insn.
163 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
165 * invoke.texi (-Wtraditional): Update WRT function macros.
167 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
169 * except.c (free_exception_table): Do not free NULL.
171 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
173 * cpplib.c (do_if): Don't save and restore only_seen_white here.
174 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
177 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
179 * flow.c (mark_used_reg): If a register is unconditionally live,
180 remove any conditional death information.
182 2000-05-29 Richard Henderson <rth@cygnus.com>
184 * final.c (current_output_insn): New.
185 (final_scan_insn): Set it.
186 * output.h: Declare it.
188 2000-05-29 Richard Henderson <rth@cygnus.com>
190 * stor-layout.c (finalize_record_size): Fix typo.
192 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
195 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
197 * cpplib.h (cpp_reader): Remove if_stack. Change
198 potential_control_macro to a cpp_hashnode *. Add skipping flag.
199 * cpphash.h (struct ihash): Change control_macro to a
200 cpp_hashnode * and shorten name to cmacro.
201 Add NEVER_REINCLUDE constant.
203 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
204 Examine the cmacro node directly, no need to call cpp_defined.
205 (_cpp_execute_include, read_include_file): Set cmacro to
206 NEVER_REINCLUDE, not U"".
207 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
208 (cpp_get_token): If pfile->skipping is true, discard text and
209 keep scanning until we hit a directive; don't expand macros.
211 * cpplib.c (struct if_stack): Remove if_succeeded, add
212 was_skipping. Change control_macro to a cpp_hashnode * and
213 shorten name to cmacro. Remove typedef IF_STACK.
214 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
215 (conditional_skip, skip_if_group,
216 consider_directive_while_skipping): Delete.
217 (push_conditional): New.
218 (_cpp_handle_directive): Don't process directives other than
219 conditionals if we are skipping.
221 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
222 Update to new scheme.
223 (validate_else): Skip rest of line here, unconditionally.
224 (_cpp_unwind_if_stack): The stack is per-buffer. Force
227 (all): Remove `scare quotes' from error messages.
229 2000-05-29 Richard Henderson <rth@cygnus.com>
231 * function.c (emit_return_into_block): New line_note arg; emit it.
232 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
233 for the close brace to accompany HAVE_return. Move all line notes
234 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
236 2000-05-29 Richard Henderson <rth@cygnus.com>
238 * longlong.h [__alpha] (count_leading_zeros): New.
239 (count_trailing_zeros): New.
240 (COUNT_LEADING_ZEROS_0): New.
242 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
243 (alpha_split_conditional_move): New.
244 * config/alpha/alpha-protos.h: Prototype them.
245 * config/alpha/alpha.h (PREDICATE_CODES): Update.
246 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
247 * config/alpha/alpha.md: Update ffs cix commentary.
249 (*nabssf2, *nabsdf2): New.
250 (*mov[qhsd]icc_internal): Use add_operand.
251 (if_then_else constant splitters): New.
252 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
253 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
255 2000-05-29 Richard Henderson <rth@cygnus.com>
257 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
258 a constant to NEG or NOT when conditions allow.
260 * combine.c (combine_simplify_rtx): Don't create an if_then_else
261 unless both args are general_operand. Don't canonicalize plus
262 to ior unless it helps.
264 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
265 instead track register_life_up_to_date. Toggle no_new_pseudos
268 2000-05-28 Geoff Keating <geoffk@cygnus.com>
270 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
271 so output_operand doesn't see them.
273 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
275 * lcm.c (make_preds_opaque): Fix comment.
276 (optimize_mode_switching): Use NORMAL_MODE instead of
277 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
278 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
279 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
280 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
281 (MODE_USES_IN_EXIT_BLOCK): Delete.
282 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
283 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
284 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
285 (MODE_NEEDED): Don't look for USE.
286 (EPILOGUE_USES): Define.
288 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
290 * mklibgcc.in (all): Variable initialised to `libgcc'.
292 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
294 * toplev.h (skip_leading_substring): New macro.
295 * toplev.c (decode_f_option): Use skip_leading_substring instead
297 (decode_W_option): Likewise.
299 2000-05-28 Nick Clifton <nickc@cygnus.com>
301 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
304 2000-05-28 Richard Henderson <rth@cygnus.com>
306 * regclass.c (record_operand_costs): Protect reg_changes_size
307 with CLASS_CANNOT_CHANGE_SIZE.
309 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
311 2000-05-28 Richard Henderson <rth@cygnus.com>
313 * function.c (diddle_return_value): A pcc-style struct return
316 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
318 * cppfiles.c: Read files in, using mmap if possible, then
319 prescan them separately.
320 (read_file, read_with_read): New functions.
321 * cpplex.c: Don't define UCHAR_MAX.
322 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
325 * cppinit.c (handle_option): Automatically define __cplusplus,
326 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
327 the respective -lang switch.
329 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
330 prototype): Move to...
331 * cpplib.h: ... here. Rename struct hashnode to struct
332 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
333 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
335 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
337 * config/rs6000/rs6000.md (movsi): Constify 'name'.
339 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
340 (class_can_change_size): New variable.
341 (reg_changes_size): New variable.
342 (init_reg_sets_1): Initialise class_can_change_size.
343 (record_operand_costs): Remove subreg_changes_size.
344 Don't pass it around. Instead update reg_changes_size.
345 (regclass): Initialise and free reg_changes_size. If a register
346 changes size, don't preference it to a class that contains
347 registers that can't change size.
348 (record_reg_classes): Don't look at subreg_changes_size.
350 2000-05-27 Richard Henderson <rth@cygnus.com>
352 * print-rtl.c (reg_names): Remove const.
353 * regclass.c (reg_names): Likewise.
354 * regs.h (reg_names): Likewise.
355 * hard-reg-set.h (reg_names): Likewise.
357 2000-05-27 Richard Henderson <rth@cygnus.com>
359 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
361 2000-05-27 Richard Henderson <rth@cygnus.com>
363 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
364 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
365 (alpha_expand_prologue): Emit prologue_mcount if needed.
366 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
367 * config/alpha/alpha.md (prologue_mcount): New.
368 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
369 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
370 * config/alpha/netbsd.h: Likewise.
372 2000-05-27 Richard Henderson <rth@cygnus.com>
374 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
375 change to config/elfos.h.
377 2000-05-27 Richard Henderson <rth@cygnus.com>
379 * Makefile.in (resource.o): Depend on except.h.
380 * except.h (output_exception_table_data): Prototype.
381 * genconfig.c (gen_peephole2): Prototype.
382 * genemit.c (main): Include ggc.h.
383 * genoutput.c: Revert parts of last change: include errors.h
384 (main): Set progname.
385 * recog.c: Include hard-reg-set.h before recog.h.
386 * resource.c: Include except.h.
388 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
390 (alpha_write_linkage): Protect with BUFSIZ.
391 (alpha_need_linkage): Update prototype.
392 * config/alpha/alpha.c (function_arg): Move VMS code here.
393 (alpha_links_base): Remove.
395 (mark_alpha_links_node, mark_alpha_links): New.
396 (alpha_write_one_linkage): New.
397 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
398 (alpha_write_linkage): Use splay_tree_foreach.
399 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
400 to get the linkage symbol.
401 (call_value_vms): Likewise.
402 * config/alpha/elf.h (output_file_directive): Remove decl.
403 (ctors_section, dtors_section): Prototype.
404 (sbss_section, sdata_section): Prototype.
405 * config/alpha/vms.h (FUNCTION_ARG): Remove.
406 (readonly_section, link_section, literals_section): Prototype.
407 (ctors_section, dtors_section): Prototype.
408 (vms_valid_decl_attribute_p): Remove decl.
409 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
411 2000-05-27 Geoff Keating <geoffk@cygnus.com>
413 * reload.c (get_secondary_mem): Don't widen floating-point modes.
415 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
416 substituting the REG in a (subreg:X (reg:Y ...)).
418 2000-05-28 Neil Booth <NeilB@earthling.net>
420 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
421 first token of a line BOL. Update EOF code for this.
422 Remove illegal directive check - it appears in the (not
423 yet committed) caller.
424 * cpplib.h (BOL): New flag.
426 2000-05-28 Neil Booth <NeilB@earthling.net>
428 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
429 (_cpp_free_toklist): No comment space to free.
430 (expand_comment_space): Remove.
431 (save_comment_space): Place the comment in the current token and
432 not in a separate comment space.
433 (_cpp_lex_line): Save comments during plain code and #define
435 * cpplib.h (struct _cpp_toklist): Remove comment space.
437 2000-05-28 Neil Booth <NeilB@earthling.net>
439 * cppexp.c (parse_assertion): Supply extra argument to
441 * cpplib.c (do_assert, do_unassert): Similarly.
442 * cpphash.h (_cpp_init_toklist) Update.
443 (_cpp_expand_token_space): New.
444 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
445 * cpplex.c (_cpp_init_toklist): New argument.
446 (parse_string2): New argument multiline_ok.
447 (spell_token): Take a const cpp_token *.
448 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
449 (SPELL_ macros): Replace with enum.
450 (expand_token_space): Replace with _cpp_expand_token_space.
452 (IS_DIRECTIVE): Update.
453 (_cpp_lex_line): Update token structure before parsing number.
454 Don't assume start at beginning of token list.
455 (save_comment): Use INIT_TOKEN_NAME.
457 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
459 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
460 -Wmissing-prototypes.
461 * configure: Regenerate.
462 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
464 * builtins.c, calls.c: Change all instances of gen_call_* or
465 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
466 * calls.c (struct_value_size_rtx): Separate definition from
467 initialization to avoid unused variable warning.
469 * genflags.c (gen_macro): New function.
470 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
471 (gen_nonproto): Delete.
472 (gen_insn): Put all insns on the same obstack.
473 (main): Generate prototypes for everything unconditionally.
475 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
476 out check for wchar_t.
477 * acconfig.h: Add template for ssize_t. Remove @TOP@.
478 * system.h: Add infrastructure for defining missing
479 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
480 definitions of UCHAR_MAX and SSIZE_MAX.
481 * configure: Regenerate.
482 * config.in: Regenerate.
484 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
485 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
487 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
488 libgcc2.a, or libgcc1.null.
490 2000-05-27 Richard Henderson <rth@cygnus.com>
492 * Makefile.in (recog.o): Don't depend on resource.h.
493 * recog.c: Don't include resource.h.
494 (recog_last_allowed_insn): Remove.
495 (recog_next_insn): Remove.
496 (struct peep2_insn_data): New.
497 (peep2_insn_data, peep2_current): New.
498 (peep2_next_insn): New.
499 (peep2_regno_dead_p, peep2_reg_dead_p): New.
500 (peep2_find_free_register): New.
501 (peephole2_optimize): Track life information by insn as we go.
502 * recog.h: Update declarations.
503 * resource.c (find_free_register, reg_dead_p): Remove.
504 * resource.h: Remove their declarations.
505 * toplev.c: Include hard-reg-set.h before recog.h.
507 * genconfig.c (max_insns_per_peep2): New.
508 (gen_peephole2): New.
510 * genemit.c (output_peephole2_scratches): Generate calls to
511 peep2_find_free_register; adjust surrounding code.
512 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
513 * genrecog.c (change_state): Don't track last_insn.
514 (write_action): Write into *_pmatch_len before accepting.
515 (write_tree): Adjust peephole2_insns and subroutines to match.
517 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
519 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
520 (hard_int_register_operand): New.
521 * config/alpha/alpha-protos.h: Declare it.
522 * config/alpha/alpha.h (PREDICATE_CODES): Update.
523 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
524 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
526 2000-05-27 Richard Henderson <rth@cygnus.com>
528 * function.c (thread_prologue_epilogue_insns): Don't move the
529 line note at the head of the chain. Only force a lineno note
530 before the end of block 0.
532 2000-05-27 Richard Henderson <rth@cygnus.com>
534 * gensupport.c (collect_insn_data): Record the maximum number
535 of alternatives, not the last seen.
537 * genoutput.c: Don't include errors.h.
538 (struct data): Add lineno member.
540 (scan_operands): Use message_with_line instead of error.
541 (validate_insn_alternatives): Likewise.
542 (gen_insn): Accept and store the pattern's line number.
543 (gen_peephole, gen_expand, gen_split): Likewise.
544 (main): Don't set progname. Pass line_no to gen_foo.
546 2000-05-27 Richard Henderson <rth@cygnus.com>
548 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
549 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
550 * config/d30v/d30v.md (attr predicable): New.
551 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
552 (andsi3*): Unify into one pattern.
553 (iorsi3*, xorsi3*): Likewise.
554 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
556 (old cond_exec patterns): Remove.
557 (define_cond_exec): New.
559 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
561 * tree.h (TREE_CODE_LENGTH): New macro.
562 * c-common.c (c_find_base_decl): Use it.
563 * expr.c (safe_from_p): Likewise.
564 * print-tree.c (print_node): Likewise.
565 * tree.c (make_node, copy_node, get_identifier): Likewie.
566 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
567 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
568 * fold-const.c (make_range): Likewise.
569 (fold): Likewise; also use first_rtl_op.
570 * c-iterate.c (collect_iterators): Use first_rtl_op.
571 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
572 Use IS_EXPR_CODE_CLASS.
573 (preexpand_calls): Likewise.
574 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
575 and TREE_CODE_LENGTH.
576 * stmt.c (warn_if_unused_value): If no operands, no unused value.
578 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
580 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
582 (movdi_internal64): Likewise.
584 * config/rs6000/rs6000.md: Correct order of operands for DImode
587 * config/rs6000/rs6000.c (boolean_or_operator): New function.
588 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
589 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
590 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
591 boolean_operator for the boolean patterns without NOTs.
593 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
594 from reg_or_u_cint_operand. Change comment and behaviour.
595 (logical_operand): Clean up, add assertion.
596 (non_logical_cint_operand): Also check for
597 reg_or_logical_cint_operand.
598 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
599 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
605 2000-05-26 Mark Mitchell <mark@codesourcery.com>
607 * tree.h (struct record_layout_info): Rename to (struct
608 record_layout_info_s).
609 * stor-layout.c (start_record_layout): Replace
610 `record_layout_info' with `record_layout_info_s'.
612 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
614 * flow.c (find_label_refs): New function.
615 (find_basic_blocks_1): Call it for each alternative of a call
618 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
620 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
623 2000-05-25 Richard Henderson <rth@cygnus.com>
625 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
626 so strict about DImode.
627 (alpha_swapped_comparison_operator): Likewise.
628 * config/alpha/alpha.md (*setne_internal): Name it. Allow
629 any integer output mode.
630 (*setcc_internal): Likewise.
631 (*setcc_swapped_internal): Likewise.
632 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
633 (*mov[qhs]icc_internal): New.
634 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
636 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
638 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
640 2000-05-25 Richard Henderson <rth@cygnus.com>
642 * bb-reorder.c (reorder_block_def): Reorder elements for size.
643 Remove add_jump; add next; replace flags with visited.
645 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
646 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
647 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
648 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
650 (reorder_index, reorder_last_visited): Remove.
651 (skip_insns_after_block): Rewrite to use a switch.
652 (get_common_dest): Remove.
653 (chain_reorder_blocks): Remove.
654 (record_effective_endpoints): Split out from reorder_basic_blocks.
655 (make_reorder_chain): Likewise. Loop until all blocks are placed.
656 (make_reorder_chain_1): Renamed from old make_reorder_chain.
657 Only construct the reorder chain, do not move insns. Try harder
659 (label_for_bb, emit_jump_to_block_after): New.
660 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
661 and adjust the jump insns appropriately. Fixup basic_block_info.
662 (verify_insn_chain): Always define.
663 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
665 (make_new_scope): Don't write zeros to calloc'd space.
666 (build_scope_forest): Rely on xrealloc to DTRT.
667 (reorder_basic_blocks): Don't build loop nest. Don't fail if
668 profile_arc_flag. Streamline EH test.
670 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
671 * basic-block.h: Declare them.
673 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
675 * emit-rtl.c (reset_used_decls): New function.
676 (unshare_all_rtl_again): Call it.
678 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
680 * cpplex.c (maybe_macroexpand): Warn about function-like
681 macros used in non-function context, if -Wtraditional.
683 2000-05-25 Mark Mitchell <mark@codesourcery.com>
685 * recog.c (peephole2_optimize): Use INSN_P.
687 2000-05-25 Richard Henderson <rth@cygnus.com>
689 * ifcvt.c (seq_contains_jump): New.
690 (noce_try_store_flag_constants): Use it to fail conversion.
691 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
693 2000-05-25 Mark Mitchell <mark@codesourcery.com>
695 * except.h (can_throw): Declare it.
696 * except.c (can_throw): Give it external linkage.
697 * resource.c (find_dead_or_set_registers): Use can_throw.
699 2000-05-25 Richard Henderson <rth@cygnus.com>
701 * flow.c (mark_set_1): Don't record conditionally dead memory.
703 2000-05-25 Jan Hubicka <jh@suse.cz>
705 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
706 and pc_set at the place of simplejump_p and condjump_p.
707 * cse.c (record_jump_equiv): Likewise.
708 * emit-rtl.c (emit): Likewise.
709 * explow.c (find_next_ref): Likewise.
710 * flow.c (tidy_fallthru_edge): Likewise.
711 (init_propagate_block_info): Likewise.
712 * gcse.c (delete_null_pointer_checks): Likewise.
713 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
714 dead_or_predicable): Likewise.
715 * integrate.c (copy_insn_list): Likewise.
716 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
717 for_each_insn_in_loop, check_dbra_loop, get_condition,
718 insert_bct, load_mems): Likewise.
719 * resource.c (find_dead_or_set_registers): Likewise.
720 * sibcalls.c (simplejump_p): Likewise.
721 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
723 2000-05-25 David Edelsohn <edelsohn@gnu.org>
725 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
726 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
728 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
729 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
730 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
731 * rs6000.md: Name various internal patterns.
733 2000-05-25 Jan Hubicka <jh@suse.cz>
735 * jump.c (invert_exp_1): Remove first argument, use pc_set
736 to get the expression.
737 (redirect_exp): Make static; redirect only the pc_set expression,
738 remove first argument.
739 (invert_exp): Remove first argument, make static.
740 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
741 any_onlyjump at most places where we originaly did condjump_p
743 (jump_back_p, follow_jumps, thread_jumps): Likewise.
744 (delete_barrier_succesors): Use pc_set.
745 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
746 calls of invert_exp and redirect_exp.
747 * rtl.h (redirect_exp, invert_exp): Remove.
748 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
750 2000-05-25 Richard Henderson <rth@cygnus.com>
752 * stmt.c (expand_end_bindings): Fix thinko last change.
754 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
755 Andrew Haley <aph@cygnus.com>
757 * except.c (func_eh_entry): Add emitted field.
758 (new_eh_region_entry): Set emitted field to 0;
759 (output_exception_table_entry): Only emit previously un-emitted data,
760 and send it to the eh_data section.
761 (output_exception_table): Break out common parts. Output
762 exception table for entire compilation unit to eh_data section.
763 (output_exception_table_data): Common parts of output_exception_table.
764 Send output to eh_data section.
765 (output_function_exception_table): Output exception table data for
766 a single function to eh_data section.
767 (free_exception_table): New external to free the table.
768 * except.h (free_exception_table): Add prototype.
769 (output_function_exception_table): Add prototype.
770 * final.c (final_end_function): Output function exception table
771 for IA64_UNWIND_INFO.
772 (final_scan_insn): Emit any unwind directives for an insn.
774 * frame-dwarf2.c: New file containing all DWARF 2 specific code
776 * frame.c: Remove all DWARF 2 specific code.
777 * config/ia64/frame-ia64.c: New file.
778 (gthread_stuff): Make all gthread available with
780 (dwarf_fde): Define an IA64 struct for dwarf_fde.
781 (__register_frame_info, __register_frame): Move to common area of file.
782 (__register_frame_info_table, __register_frame_table): Move to common i
784 (__deregister_frame_info, __deregister_frame): Move to common area.
785 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
786 (read_uleb128): New version for ia64.
787 (get_unwind_record): Read the next IA-64 unwind record.
788 (read_R_record): Read a region header record.
789 (process_a_b_reg_code): X record helper.
790 (read_X_record): Read an X format record.
791 (read_B_record): Read a B format record.
792 (P3_record_types): List of record types matching the P3 format.
793 (P7_record_types): List of record types matching the P7 format.
794 (P8_record_types): List of record types matching the P8 format.
795 (read_P_record): Read a P format record.
796 (init_ia64_reg_loc): Set default fields for a register.
797 (init_ia64_unwind_frame): Set defaults for all register records.
798 (execute_one_ia64_descriptor): Execute one descriptor record.
799 (rse_address_add): Calculate the position of a local reg in memory.
800 (normalize_reg_loc): Turn a location descriptor into a memory address.
801 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
802 within a specified PC offset range.
803 (get_real_reg_value): Given a register location, retrieve its value.
804 (set_real_reg_value): Change the value of a register location.
805 (copy_reg_value): Copy reg values, if needed.
806 (copy_saved_reg_state): Copy all registers that need to be copied.
807 (process_state_between): Normalize all frame register records that
808 fall within the specified PC range.
809 (frame_translate): Take a processed frame description, and turn
810 everything into addresses.
811 (build_ia64_frame_state ): Find and create frame state record for a PC.
812 (get_personality): Get the personality routine for a given frame.
813 (get_except_table): Get the exception table for a given frame.
814 (record_name): Unwind record names for debugging.
815 (print_record): Print and unwind record.
816 (print_all_records): Print an entire unwind image.
817 (__ia64_backtrace): Print a backtrace.
818 (ia64_backtrace_helper): New function.
819 (__register_frame_info_aux): New function.
820 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
822 * frame.h (enum unw_record_type): New unwind record types.
823 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
824 (struct unw_r_record, unwind_record): New unwind record structs.
825 (struct unwind_info_ptr): Unwind information layout.
826 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
828 (struct ia64_reg_loc): Register location description.
829 (struct ia64_frame_state): Location of all registers in a frame.
830 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
831 * libgcc2.c (__ia64_personality_v1): Personality routine.
832 (__calc_caller_bsp): Calculate the bsp register for the caller's
834 (ia64_throw_helper): Figure out who to return to and set up the
836 (__throw): Throw routine.
838 * output.h (assemble_eh_align, assemble_eh_label): New functions
839 to generate EH info where we want it.
840 (assemble_eh_integer): New function.
841 * toplev.c (compile_file): Output module level exception table for
843 (main): Set exceptions_via_longjump and flag_new_exceptions based
844 on IA64_UNWIND_INFO too.
846 * varasm.c (assemble_eh_label): Generate a label via
847 ASM_OUTPUT_EH_LABEL if it has been specified.
848 (assemble_eh_align): Generate an alignment directive via
849 ASM_OUTPUT_EH_ALIGN if it has been specified.
850 (assemble_eh_label): Generate an integer value via
851 ASM_OUTPUT_EH_type if they have been specified.
852 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
853 (ia64_init_builtins): Add __builtin_ia64_bsp
854 and __builtin_ia64_flushrs.
855 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
856 IA64_BUILTIN_FLUSHRS.
857 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
858 IA64_BUILTIN_FLUSHRS.
860 * config/ia64/ia64.md (flushrs): New insn to flush the register
861 stack. Add to unspec list.
863 * config/ia64/crtbegin.asm (frame_object): Change size.
864 (__do_frame_setup_aux): New function.
865 * config/ia64/crtend.asm: call __do_frame_setup_aux.
866 * config/ia64/t-ia64 (LIB2ADDEH): Add.
867 * Makefile.in (LIB2ADDEH): Add.
868 (LIB2ADD): Use LIB2ADDEH.
870 2000-05-24 Richard Henderson <rth@cygnus.com>
872 * recog.c (offsettable_address_p): If mode size is zero, assume
875 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
877 * configure.in: Check for -Wno-long-long option support and improve
878 handling of warning CFLAGS for stages 1 and 2.
879 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
880 * configure: Regenerate.
882 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
884 * gcc.texi: Remove contributor list. Instead include contrib.texi.
885 * contrib.texi: New file.
887 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
889 * loop.c (basic_induction_var): Avoid double recording of an increment.
891 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
893 * Back out this patch:
894 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
895 * loop.h (struct induction): Add multi_insn_incr.
896 * loop.c (basic_induction_var): New multi_insn_incr argument.
897 Set it if we search back through previous insns for the biv.
898 (record_biv): New multi_insn_incr argument; fill in struct induction.
899 (strength_reduce): Discard an iv with multiple bivs, any of
900 which require multiple insns to increment.
902 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
904 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
906 * rtl.h (loc_mentioned_in_p): Declare.
907 * reload.c (loc_mentioned_in_p): Moved from here...
908 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
909 Fix loop increment for 'E' handling.
910 * loop.c (strength_reduce): When doing biv->giv conversion,
911 take multi-insn biv increments into account.
913 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
915 * stmt.c (expand_end_bindings): Look through NOTEs to find a
918 2000-05-24 Mark Mitchell <mark@codesourcery.com>
920 * calls.c (expand_call): Handle cleanups in tail-recursion
921 arguments analagously to cleanups in sibling calls.
923 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
925 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
928 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
930 * expr.c (expand_assignment, store_expr, expand_expr,
931 expand_expr_unaligned): Set in_check_memory_usage while emitting
932 chkr_check_addr libcall.
934 2000-05-24 Nick Clifton <nickc@cygnus.com>
936 * fold-const.c (extract_muldiv): When constructing a
937 multiplier/divisor, do not expect const_binop to correctly
938 determine if overflow has occured, so check explicitly.
940 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
942 * c-decl.c (build_enumerator): Don't modify the value's type,
945 2000-05-24 Andreas Jaeger <aj@suse.de>
947 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
949 2000-05-24 Eric Christopher <echristo@cygnus.com>
951 * configure.in: Redefine inhibit_libc conditions.
952 * libgcc2.c: Remove inhibit_libc conditional define.
953 * configure: Regenerate.
955 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
957 * configure.in: For --enable-languages=LIST, check for empty LIST.
958 * configure: Regenerate.
960 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
962 * pdp11.h (STACK_BOUNDARY): Define.
964 2000-05-24 Jakub Jelinek <jakub@redhat.com>
966 * ifcvt.c (if_convert): Update life info globally.
968 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
970 * emit-rtl.c (unshare_all_decls): New function.
971 (unshare_all_rtl): Call it.
973 2000-05-23 Nick Clifton <nickc@cygnus.com>
975 * configure.in: Treat 'strongarm' as if it were 'arm' when
976 determining cpu type.
978 * configure: Regenerate.
980 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
981 where constant strings are involved.
983 * config/arm/arm.h (arm_condition_codes): Change type to 'const
986 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
987 cases where constant strings are involved.
989 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
991 * config/sh/sh.c (gen_far_branch, split_branches): Update
992 to reflect new prototypes for redirect_jump and invert_jump.
993 (sh_insn_length_adjustment): Get rid of const warnings.
995 2000-05-23 Kazu Hirata <kazu@hxi.com>
997 * invoke.texi (Options for Debugging Your Program or GCC): Update
998 the names of dump files.
1000 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1002 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1003 * configure: Regenerated.
1005 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1007 * simplify-rtx.c (SIGN_EXTEND): New macro.
1008 (simplify_unary_operation, simplify_binary_operation,
1009 simplify_relational_operation): Use SIGN_EXTEND. Make low
1010 halves of (low, high) pairs unsigned if they weren't already.
1011 (simplify_ternary_operation): Cast INTVAL to unsigned before
1012 comparing to a MODE_BITSIZE.
1014 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1016 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1017 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1019 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1020 gcc_AC_NEED_DECLARATIONS.
1022 * dwarfout.c: Don't prototype time().
1024 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1026 * system.h: Likewise.
1028 * toplev.c: Likewise.
1030 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1032 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1034 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1036 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1038 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1040 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1042 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1044 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1045 (alpha_start_function): Never write ..ng label if VMS or NT.
1046 (alpha_align_insns): Remove GP_IN_USE arg.
1047 Alignment now unsigned.
1048 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1049 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1050 and two define_insn's.
1052 2000-05-22 Richard Henderson <rth@cygnus.com>
1054 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1056 2000-05-22 Richard Henderson <rth@cygnus.com>
1058 * stor-layout.c (place_field): Change rli->size to rli->offset.
1060 2000-05-22 Richard Henderson <rth@cygnus.com>
1062 * function.c (thread_prologue_and_epilogue_insns): Make sure
1063 existing line number notes appear after the prologue.
1065 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1067 * config/alpha/alpha.c (alpha_fnname): New static variable.
1068 (print_operand, case '~'): New case.
1069 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1070 (alpha_start_function): Set alpha_fnname.
1071 Write "ng" label if no ldgp; don't write ldgp insn.
1072 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1073 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1075 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1077 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1080 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1082 * varasm.c (eh_frame_section): Revert change to argument list.
1084 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1086 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1087 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1089 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1090 dangling "else" that causes "break" to be conditional.
1091 Also remove unneeded code at start.
1093 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1095 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1096 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1097 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1099 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1101 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1104 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1106 * alias.c (record_component_aliases): New function.
1107 * tree.h: Clean up some declarations and comments.
1108 (record_component_aliases): New declaration.
1109 * tree.c (get_alias_set): If type and has alias set, use it.
1111 2000-05-22 Richard Henderson <rth@cygnus.com>
1113 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1114 IF_THEN_ELSE to a setcc form.
1115 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1117 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1119 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1120 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1122 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1124 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1127 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1129 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1130 * config/mn10300/mn10300.c (print_operand): Likewise.
1132 * final.c (split_double): Right shift of negative values is not
1135 * ifcvt.c (if_convert): Scan and kill dead code.
1137 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1139 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1141 * diagnostic.c: Eliminate implicit int.
1142 * except.c, gcc.c: Add static prototypes.
1143 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1144 * gensupport.c (process_rtx): Use XVEC to initialize vector
1147 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1148 debug_reg_names instead of static reg_names. If not, define
1150 * regclass.c: Don't define global reg_names unless
1151 DEBUG_REGISTER_NAMES is defined.
1153 * reload1.c (order_regs_for_reload): Remove unused variable.
1154 * varasm.c: Include output.h after defaults.h. Define
1155 eh_frame_section as function of no args, not of unspecified args.
1157 * gcc.c: Constify argbuf; arguments to store_arg,
1158 process_command, main; elements of struct command and struct
1159 switchstr; local variables in execute, process_command, main.
1161 2000-05-20 Bruce Korb <bkorb@gnu.org>
1163 * fixinc/inclhack.def: many applications of c_fix=format + tests
1164 * fixinc/check.diff: regenerated
1165 * fixinc/fixincl.x: regenerated
1167 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1169 * alias.c: Clarify some comments.
1170 (record_base_value): REGNO is unsigned.
1171 * rtl.h (record_base_value): Likewise.
1173 * alias.c (aliases_everything_p): Don't special-case QImode here.
1174 * c-common.c (c_get_alias_set): Do it here.
1175 Handle BIT_FIELD_REF by getting alias info for arg.
1178 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1180 * mklibgcc.in: Restore rule to create ${dir}.
1182 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1184 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1185 GCC_FOR_TARGET used by MULTILIBS.
1186 * mklibgcc.in: Make sure each .o file depends on the
1187 directory it will be in.
1188 Make the multilib directory depends libgcc.
1190 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1192 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1194 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1196 * fold-const.c (make_range): Handle degenerated intervals.
1197 Fixes c-torture/execute/991221-1.c
1199 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1201 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1202 * reload.c (find_equiv_reg): Likewise.
1203 * alias.c (init_alias_analysis): Likewise.
1204 Only call prologue_epilogue_contains on insns.
1205 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1206 * bb-reorder.c (hard-reg-set.h): Include earlier.
1207 * haifa-sched.c (hard-reg-set.h): Likewise.
1208 * ifcvt.c (hard-reg-set.h): Likewise.
1209 * local-alloc.c (hard-reg-set.h): Likewise.
1210 * loop.c (hard-reg-set.h): Likewise.
1211 * predict.c (hard-reg-set.h): Likewise.
1212 * regrename.c (hard-reg-set.h): Likewise.
1213 * flow.c (hard-reg-set.h): Likewise.
1214 (reg_set_to_hard_reg_set): New function.
1215 * bitmap.c (regs.h, basic-block.h): No longer include.
1216 (bitmap.h): Now include.
1217 * conflict.c (hard-reg-set.h): Include.
1218 * profile.c (hard-reg-set.h): Likewise.
1219 * print-rtl.c (hard-reg-set.h): Likewise.
1220 * sbitmap.c (hard-reg-set.h): Likewise.
1221 * toplev.c (hard-reg-set.h): Likewise.
1222 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1223 * hard-reg-set.h (reg_names): Now constant.
1224 * regs.h (reg_names): Likewise.
1225 * regclass.c (reg_names): Likewise.
1226 * loop.h (basic-block.h): No longer include.
1227 (bitmap.h): Now include.
1228 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1229 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1230 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1232 2000-05-19 Jan Hubicka <jh@suse.cz>
1233 Richard Henderson <rth@cygnus.com>
1235 * basic-block.h (struct edge_def): New field "count".
1236 (struct basic_block_def): Likewise.
1237 * flow.c (entry_exit_blocks): Add count fileds.
1238 (split_edge): Keep count information up-to-date.
1239 (dump_edge_info, dump_flow_info): Dump count fields.
1241 * final.c (count_instrumented_edges): Rename to edge from arc.
1242 (end_final): Update users.
1243 * profile.c: Include expr.h, basic-block.h.
1244 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1245 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1246 (ignore_next_note, return_label_execution_count): Kill.
1247 (bbg_file_name, da_file_name): Kill.
1248 (edge_info, bb_info): New structures.
1249 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1250 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1251 (total_num_edges_instrumented): Likewise.
1252 (init_arc, expand_spanning_tree): Kill.
1253 (fill_spanning_tree, tablejump_entry_p): Kill.
1254 (instrument_edges): Rewrite from instrument_arcs to use
1255 commit_edge_insertions infrastructure.
1256 (compute_branch_probabilities): Remove arguments; rewrite for
1257 CFG infrastructure; use rtl_dump_file directly.
1258 (branch_prob, find_spanning_tree): Likewise.
1259 (union_groups, find_group): New.
1260 (init_branch_prob): Make bbg_file_name and da_file_name local.
1261 (end_branch_prob): Use rtl_dump_file directly.
1262 (init_edge_profiler): Rename to edge from arc.
1263 (output_arc_profiler): Kill.
1264 (gen_edge_profiler): New.
1265 (output_func_start_profiler): Turn off profiling. Make the
1266 constructor static when we can.
1267 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1269 * toplev.c (DFI_flow): Remove.
1270 (DFI_cfg, DFI_life): New.
1271 (dump_file): Update accordingly.
1272 (compile_file): Call end_branch_prob if profile_arc_flag too.
1273 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1274 profiling after the CFG is built. Move flow1 life analysis to
1275 DFI_life. Always estimate remaining probabilities.
1277 2000-05-19 Richard Henderson <rth@cygnus.com>
1279 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1281 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1283 2000-05-19 Richard Henderson <rth@cygnus.com>
1285 * jump.c (redirect_jump): Add delete_unused argument. Don't
1286 remove labels and code following when LABEL_NUSES goes to zero.
1287 (invert_jump): Likewise.
1288 (jump_optimize_1): Fix redirect/invert arguments.
1289 (do_cross_jump, thread_jumps): Likewise.
1290 * flow.c (split_edge): Likewise.
1291 * reorg.c (optimize_skip): Likewise.
1292 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1293 * profile.c (instrument_arcs): Likewise.
1294 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1295 * rtl.h: Update prototypes.
1297 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1299 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1301 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1304 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1306 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1307 past l1 when deleting whitespace and markers.
1309 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1310 * cpplib.c (do_unassert): Put the list to compare against on
1313 2000-05-19 Bruce Korb <bkorb@gnu.org>
1315 * fixinc/README: cleaned up old documentation
1316 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1317 * fixinc/check.tpl: compute the list of needed directories
1318 emit "#if defined(name)" because of conflict
1319 omit machine name differences from output differences
1320 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1321 (machine_name): change test text to use `sed' markers
1322 * fixinc/fixincl.x: regen
1324 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1326 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1329 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1331 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1332 it to match the current practice.
1334 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1336 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1338 2000-05-18 Richard Henderson <rth@cygnus.com>
1340 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1341 * rtl.h (insn_dependant_p): Declare it.
1342 * loop.c (strength_reduce): Use it.
1344 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1346 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1347 16-bit and 64-bit clean-up.
1349 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1351 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1352 * configure: Rebuilt.
1354 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1356 * genopinit.c: Use $ for escape sequences in optab patterns.
1357 Remove backslashes from optab patterns. Change $A, $B, $C to
1358 expand to (int) whatever instead of just whatever; remove
1359 explicit (int) from all optab patterns.
1361 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1362 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1363 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1364 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1367 2000-05-18 Richard Henderson <rth@cygnus.com>
1369 * jump.c (jump_optimize_1): Base minimum insn count during
1370 find_cross_jump on BRANCH_COST.
1372 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1374 * print-rtl.c (print_rtx): Only print note line number as string
1375 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1376 * final.c (final_scan_insn): Do nothing for note line number 0.
1378 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1380 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1381 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1382 NOTE_INSN_DELETED_LABEL.
1384 2000-05-18 Nick Clifton <nickc@cygnus.com>
1386 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1387 uninitialised data in .rodata not .bss, and do not interpret an
1388 error in the initialisation value as meaning that the variable
1389 should be placed in the .bss section.
1391 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1393 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1394 not `$ac_cv_prog_cc_cc_c_o'.
1395 * configure: Regenerated.
1397 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1398 Richard Henderson <rth@cygnus.com>
1400 * c-common.h (enum c_tree_index): Add g77 type entries.
1401 (g77_integer_type_node, g77_uinteger_type_node): New.
1402 (g77_longint_type_node, g77_ulongint_type_node): New.
1403 * c-decl.c (init_decl_processing): Initialize them.
1405 2000-05-18 Richard Henderson <rth@cygnus.com>
1407 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1409 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1410 (small_power_of_two): Likewise; use exact_log2.
1411 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1412 (output_adds_subs): Remove.
1413 (two_insn_adds_subs_operand): New.
1414 (split_adds_subs): New.
1415 * config/h8300/h8300-protos.h: Update.
1416 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1417 (CONST_OK_FOR_L): Match strict adds operands.
1418 (CONST_OK_FOR_N): Match struct subs operands.
1419 * config/h8300/h8300.md (adds_subs insns): Remove.
1420 (addhi patterns): Output adds/subs directly.
1421 (addsi_h8300h): Likewise.
1422 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1424 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1426 * cppexp.c (parse_assertion): New.
1427 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1428 (_cpp_parse_expr): Remove case '#'. Don't set
1429 parsing_if_directive.
1430 * cpphash.c (collect_objlike_expansion,
1431 collect_funlike_expansion, collect_params,
1432 _cpp_create_definition): The list no longer has a trailing
1434 * cpphash.h (enum node_type): Add T_ASSERTION.
1435 (struct hashnode): Remove aschain, add pred.
1436 (struct predicate): New.
1439 * cpplex.c (expand_token_space): Handle both offset and
1441 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1442 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1443 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1444 _cpp_equiv_toklists): New.
1445 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1446 stop at any single-character token, not just newline.
1447 (_cpp_lex_token): Remove special cases for #define and #if.
1448 (cpp_get_token): Expect # as a separate token type. Remove
1450 (_cpp_get_directive_token): Remove DIRECTIVE case.
1451 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1453 * cpplib.c (_cpp_check_directive): Set dirno and
1454 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1455 (_cpp_handle_directive): Run # <number> through the same logic
1456 as normal directives.
1457 (do_define): Don't set parsing_define_directive. Use
1458 _cpp_scan_until. The list does not have a VSPACE at the end.
1459 (do_if): Save, clear, and restore only_seen_white around
1461 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1462 (do_assert, do_unassert): Rewrite.
1464 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1465 (LIST_OFFSET): New flag.
1466 (struct cpp_toklist): Replace dir_handler and dir_flags with
1468 (struct cpp_reader): Remove parsing_if_directive and
1469 parsing_define_directive.
1471 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1473 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1474 following the cabs decl which terminate on the following line.
1475 Add the corresponding test_text case.
1477 2000-05-18 Neil Booth <NeilB@earthling.net>
1479 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1480 default tab stop size.
1481 (no_num, OPT_ftabstop): New.
1482 (handle_option): Handle "ftabstop=" command-line option.
1483 (print_help): Document it.
1484 * cpplex.c (COLUMN): Remove.
1485 (handle_newline): Reset col_adjust.
1486 (skip_whitespace): Update col_adjust as tabs encountered.
1487 (_cpp_lex_line): Update to use col_adjust. Call
1488 skip_whitespace for all whitespace.
1489 * cpplib.h (struct cpp_options): New member tabstop.
1490 (struct cpp_reader): New member col_adjust.
1491 (CPP_BUF_COL): Update.
1492 (CPP_BUF_COLUMN): New.
1493 * cpp.texi: Document "-ftabstop=" command line option.
1495 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1497 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1499 * configure: Rebuilt.
1501 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1503 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1505 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1506 HOST_BITS_PER_WIDE_INT is >= 64.
1508 2000-05-17 Richard Henderson <rth@cygnus.com>
1510 * jump.c (jump_optimize_1): Remove inactive but real insns
1511 in jump-to-next-insn optimization.
1513 2000-05-17 Richard Henderson <rth@cygnus.com>
1515 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1516 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1517 Don't call recompute_reg_usage if no_new_pseudos is true.
1518 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1519 Return true if we did work; update global life information.
1520 * basic-block.h (optimize_mode_switching): Update decl.
1522 2000-05-17 Neil Booth <neilb@earthling.net>
1524 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1526 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1528 * cpplib.c: New feature, #pragma system_header.
1529 * cpp.texi: Document special treatment of system headers, and
1530 the various mechanisms to get a header that special treatment.
1532 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1534 * system.h (offsetof): Define at the very end, to ensure we prefer
1535 the platform's definition if available.
1537 2000-05-16 Bruce Korb <bkorb@gnu.org>
1539 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1540 * fixinc/server.c: likewise
1541 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1542 + #ifdef debugging code + use #def constant for
1544 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1545 on C++ math namespace
1547 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1549 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1550 Don't check the return value of sprintf. Use asprintf to avoid
1553 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1555 * flags.h (warn_unused_function, warn_unused_label,
1556 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1557 Replace ``warn_unused''.
1558 (set_Wunused): Add declaration.
1559 * toplev.c (set_Wunused): New function.
1560 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1561 warn_unused_variable, warn_unused_value): New variables.
1562 (W_options): Add -Wunused-function, -Wunused-function,
1563 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1564 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1566 * toplev.c (decode_W_option): Update -Wunused flags by calling
1568 * c-decl.c (c_decode_option): Ditto for -Wall.
1570 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1571 warn_about_unused_variables): Replace warn_unused with more
1572 explicit warn_unused_value et.al.
1573 * function.c (expand_function_end): Ditto.
1574 * c-typeck.c (internal_build_compound_expr,
1575 internal_build_compound_expr): Ditto.
1576 * c-decl.c (poplevel, pop_label_level): Ditto.
1577 * toplev.c (check_global_declarations): Replace warn_unused with
1578 check for either warn_unused_function or warn_unused_variable.
1580 * gcc.1, invoke.texi (Warning Options): Document
1581 -Wunused-function, -Wunused-function, -Wunused-label,
1582 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1584 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1586 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1587 $(srcdir), not in the current directory.
1589 2000-05-16 Richard Henderson <rth@cygnus.com>
1591 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1592 assembler supports it.
1593 (.fini, .init): Use a gp-relative indirect call.
1594 (__do_global_dtors_aux): Preserve the gp; rebundle.
1595 (__do_frame_setup): Likewise.
1596 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1597 (.init): Use a gp-relative indirect call.
1598 (__do_global_ctors_aux): Preserve the gp.
1600 2000-05-16 Richard Henderson <rth@cygnus.com>
1602 * flow.c (commit_one_edge_insertion): Be prepared for a return
1603 insn to be inserted on the edge with a normal jump.
1604 * jump.c (jump_optimize_1): Don't look to create return isns.
1606 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1607 * jump.c (jump_optimize_1): Likewise.
1608 (returnjump_p): Verify the argument is a JUMP_INSN.
1609 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1611 2000-05-16 Nick Clifton <nickc@cygnus.com>
1613 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1614 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1615 (large_insn_p): Ditto.
1616 (m32r_is_insn): New function: Return true if the insn contains
1617 an executable instruction.
1618 (m32r_adjust_insn): Use m32r_is_insn.
1619 (m32r_sched_reorder): Use m32r_is_insn.
1620 (m32r_sched_variable_issue): Use m32r_is_insn.
1622 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1624 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1627 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1629 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1630 according to given options.
1632 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1634 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1635 if X has VOIDmode either.
1636 (LIMIT_RELOAD_CLASS): Similarly.
1638 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1639 not "general_operand" to match the processor's capabilities.
1641 2000-05-16 Bruce Korb <bkorb@gnu.org>
1643 * fixinc/README: corrected return address
1644 * fixinc/check.diff: regenerate, now that test works
1645 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1646 (char_macro_def_fix,char_macro_use_fix): corrected and
1647 rewrote to use regex to parse the text
1648 * fixinc/inclhack.def: more testing
1649 * fixinc/fixincl.x: regenerated
1651 * fixinc/inclhack.def: added several "test_text" attributes
1652 changed several fixes to use `c_fix = format'
1653 re-alphabetized the fixes
1655 * fixinc/check.diff: regenerate
1656 * fixinc/fixincl.x: regenerate
1657 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1661 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1663 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1665 2000-05-15 Richard Henderson <rth@cygnus.com>
1667 * toplev.c (rest_of_compilation): Run full jump pass before
1668 find_basic_blocks of flow2.
1670 2000-05-15 Richard Henderson <rth@cygnus.com>
1672 * jump.c: Fix typos and clarify commentary from last change.
1673 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1674 (safe_to_remove_jump_p): Remove.
1675 (condjump_label): Use pc_set.
1677 2000-05-15 Richard Henderson <rth@cygnus.com>
1679 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1680 that get in the way after reload.
1681 (cond_exec_process_if_block): Skip a label heading THEN block.
1683 2000-05-15 Richard Henderson <rth@cygnus.com>
1685 * varasm.c (output_constant_pool): Abort instead of converting
1686 (improperly) deleted labels to zero.
1688 2000-05-16 Neil Booth <NeilB@earthling.net>
1690 * cpplex.c (parse_string2): Update comment.
1691 (cpp_lex_line): No special assertion treatment for '('.
1692 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1693 * cpplib.h (SYNTAX_ASSERT): Remove.
1695 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1697 * jump.c (condjump_p): Mark as depreached.
1698 (any_condump_p): New.
1699 (any_uncondump_p): New.
1701 (safe_to_remove_jump_p): New.
1702 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1703 safe_to_remove_jump_p): Declare.
1705 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1707 * calls.c: Re-install both patches reverted by last patch.
1708 (struct arg_data): New field tail_call_reg.
1709 (initialize_argument_information): Initialize tail_call_reg
1710 (load_register_parameters): New argument flags, use
1711 tail_call_reg when emiting tail call sequence.
1712 (expand_call): Update call of load_register_parameters;
1713 copy unadjusted_args_size to adjusted_args_size.
1715 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1717 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1718 and bct_p parameters to flags.
1719 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1720 * rtl.h (loop_optimize): Update prototype.
1721 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1723 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1725 * calls.c (expand_call): Move expand_start_target_temps call after
1728 2000-05-15 Neil Booth <NeilB@earthling.net>
1730 * cpphash.c (trad_stringify, warn_trad_stringify,
1731 collect_params): Make some pointers pointers to const.
1732 * cpplex.c (auto_expand_name_space) Guaranteed to always
1733 expand by at least one character.
1734 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1735 (struct token_spelling): Use const U_CHAR * rather than PTR.
1736 (expand_name_space): Fix up token pointers if name space
1737 is moved when expanding.
1738 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1739 parse_string2, save_comment, spell_token, cpp_output_list):
1740 Update so the routines handle tokens with a direct pointer to
1741 their text, rather than an offset into the token's list's namebuf.
1742 (_cpp_lex_line): Rearrange for clarity.
1744 * cpplib.c (_cpp_check_directive): Similarly.
1745 (do_define): Make SYM a pointer to const.
1746 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1747 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1748 (TOK_OFFSET): Delete.
1751 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1753 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1756 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1758 (logical_u_operand): Delete.
1759 (non_logical_cint_operand): Rewrite to take MODE into account.
1760 (non_logical_u_cint_operand): Delete.
1761 (boolean_operator): New function.
1762 (print_operand): Add new %q operand.
1763 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1764 remove logical_u_operand and non_logical_u_cint_operand,
1765 update logical_operand and non_logical_cint_operand.
1766 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1767 logical operations to use %q.
1769 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1770 (movdi): Make similar to movsi.
1771 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1772 is no such thing as a DImode CONST_DOUBLE.
1773 * config/rs6000/rs6000.c (output_toc): Likewise.
1775 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1776 codes when old mnemonics are in use. Print register names
1777 for cc registers when requested.
1779 * optabs.c (expand_float): Don't allow mode widening that causes
1782 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1783 flags to their current names -maix64 and -maix32.
1785 2000-05-14 Bruce Korb <bkorb@gnu.org>
1787 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1788 and/or after current text of file
1789 * fixinc/fixlib.c(must_malloc):
1790 * fixinc/fixlib.h(must_malloc): + reformatting
1791 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1792 with usages of ``c_fix = wrap;''
1793 Add several tests and use the ``c_fix = format'' fixer more.
1794 * fixinc/fixincl.x: regen
1795 * fixinc/check.diff: regen
1796 * fixinc/check.tpl: emit the associated header with the missing
1799 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1801 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1802 variables $src and $dst.
1804 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1806 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1807 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1808 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1809 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1811 (set_message_prefixing_rule): Declare.
1813 * diagnostic.c: (current_prefixing_rule): New variable.
1814 (set_message_prefixing_rule): Define.
1815 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1816 (init_output_buffer): Adjust Initialization.
1817 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1819 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1821 * ifcvt.c (if_convert): Do not free NULL.
1823 2000-05-12 Nick Clifton <nickc@cygnus.com>
1825 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1826 to move a double word value.
1827 (di_operand): New function: Return true if the operand is suitbale
1828 for a double word move operation.
1829 (nonimmediate_di_operand): New function: Return true if the
1830 operand is a DImode register or MEM.
1832 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1833 nonimmediate_di_operand.
1835 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1836 nonimmediate_di_operand.
1838 * config/fr30/fr30.md (movdi): New pattern. Required because
1839 other patterns generate DImode results.
1840 (movdi_insn): New pattern.
1842 2000-05-12 Richard Henderson <rth@cygnus.com>
1844 * config/alpha/alpha.c (struct shadow_summary): Define
1845 bitfields as type unsigned int.
1847 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1849 * config/avr/t-avr: Added definition of FLOAT while generates
1852 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1853 peepholes for tst+jump = sbrs/sbrc optimization.
1855 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1857 * expr.c (emit_push_insn): Do not adjust stack pointer when
1860 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1862 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1863 * system.h (offsetof): ... to here.
1865 2000-05-12 Richard Henderson <rth@cygnus.com>
1867 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1868 * final.c (final_end_function): Use app_disable. Rearrange note
1869 handling into a switch. Emit deleted labels.
1870 (output_asm_label): Generate label strings for deleted labels.
1871 * flow.c (tail_recursion_label_list): New.
1872 (find_basic_blocks_1): Set label_value_list directly. Collect list
1873 of tail recursion labels from call_placeholders. Don't add deleted
1874 labels to the label value list.
1875 (cleanup_cfg): Use free_EXPR_LIST_list.
1876 (flow_delete_insn_chain): Turn non-removable labels into notes.
1877 (flow_delete_block): Don't disable deleting the block because of
1878 a non-removable label.
1879 (tail_recursion_label_p): New.
1880 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1882 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1884 (merge_blocks): Disable a merge because of tail recursion labels.
1885 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1886 Use a more accurate measure of not merging the join block.
1887 (find_if_block): Don't disable conversion because of a label.
1888 (find_if_case_1, find_if_case_2): Likewise.
1889 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1890 element when copying.
1891 (squeeze_notes): Also leave EH notes.
1892 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1894 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1896 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1897 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1898 referring to a deleted label. Convert tail handling to a switch.
1899 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1900 for NOTE_INSN_DELETED_LABEL.
1901 (NOTE): Fix commentary.
1902 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1903 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1904 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1905 (LABEL_NUSES, LABEL_REFS): Likewise.
1906 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1908 2000-05-12 Bruce Korb <bkorb@gnu.org>
1910 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1911 * fixinc/check.diff: updated
1912 * fixinc/inclhack.def: corrected & added some test_text-s
1913 * fixinc/genfixes: removed unneeded options to autogen invocation
1914 * fixinc/fixincl.tpl: Specified the output file
1915 * fixinc/fixfixes.c: visual appearance
1916 * fixinc/fixincl.x: regenerate
1918 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1920 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1921 CTRL_defn_fix): Delete.
1922 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1923 char_macro_def_fix and char_macro_use_fix, respectively. Put
1924 them into the FIXUP_TABLE. Get the string to search for from
1927 (format_write): New function.
1928 (format_fix): Use it.
1930 (FIX_PROC_HEAD): Constify text parameter.
1931 (machine_name_fix): Constify all char *s.
1932 * fixtests.c (skip_quote): Remove double static.
1934 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1935 ctrl_use_quotes): Update for new scheme.
1936 * fixincl.x: Regenerate.
1938 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1940 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1942 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1943 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1945 2000-05-11 Robert Lipe <robertlipe@usa.net>
1947 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1948 * fixincl.x: Regenerate.
1950 2000-05-11 Richard Henderson <rth@cygnus.com>
1952 * calls.c: Revert both 05-09 patches.
1954 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1956 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1958 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1961 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1962 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1964 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1966 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1968 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1970 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1972 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1974 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1975 * config/avr/avr.c (jump_over_one_insn_p): New function.
1976 * config/avr/avr.md: New peepholes added. Output test and
1977 conditional jump to "sbrc" or "sbrs" command.
1979 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1981 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1983 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1985 * except.c (find_exception_handler_labels_1): New function.
1986 (find_exception_handler_labels): Split into two functions, dive
1987 into CALL_PLACEHOLDERs when looking for exception handler labels.
1989 2000-05-11 Stan Cox <scox@cygnus.com>
1991 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1992 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1993 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1995 2000-05-11 Bruce Korb <bkorb@gnu.org>
1997 * fixinc/fixfixes.c (double_slash_fix): obsolete
1998 (else_endif_label_fix): obsolete
1999 (format_fix): new, unused as yet
2001 * fixinc/fixlib.h: added fix description struct for use by format_fix
2002 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2003 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2004 modules. Removed the vestiges of the script version.
2005 Added support for "make check".
2006 * fixinc/check.diff: base diff file (needs work!!)
2007 * fixinc/check.tpl: quiet the fixup output
2008 * fixinc/fixtests.c (main): obsolete
2009 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2010 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2012 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2014 * toplev.c (rest_of_compilation): Remove dead code after
2017 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2019 * cpphash.c (collect_funlike_expansion): Make "# is not
2020 followed by a macro argument name" a pedwarn, not an error.
2021 Preserve the # in the output. Suppress the warning if lang_asm.
2023 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2025 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2026 * configure: Rebuilt.
2028 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2030 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2032 2000-05-10 Kazu Hirata <kazu@hxi.com>
2034 * combine.c (try_combine): Fix a typo.
2036 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2038 * config/ia64/ia64.md (insv): Add comment.
2040 2000-05-10 Richard Henderson <rth@cygnus.com>
2042 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2043 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2044 dependancies on FPBIT and DPBIT.
2046 2000-05-10 Nick Clifton <nickc@redhat.com>
2048 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2049 when optimising for size.
2050 (mark_used_regs:) Ditto.
2051 (try_pre_increment_1): Ditto.
2053 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2055 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2056 Make error message friendlier.
2058 * cpphash.h (struct hashnode): Use struct hack for name
2060 * cpphash.c (struct hashdummy): New.
2061 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2062 (make_HASHNODE): No need to set ->name pointer. Correct
2064 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2066 2000-05-10 Richard Henderson <rth@cygnus.com>
2068 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2071 2000-05-10 Bruce Korb <bkorb@gnu.org>
2073 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2075 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2077 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2078 after we enter .debug.
2080 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2082 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2083 abstract instance of a nested inline function.
2085 * stor-layout.c (finish_record_layout): finalize_type_size
2086 before laying out the pending_statics.
2088 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2090 * cpplex.c (spell_token): New function.
2091 (spell_string, spell_comment, spell_name): fold into
2094 (E, H): Remove macros.
2095 (save_comment): Save comment opening characters too.
2096 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2098 * cpplib.h (I, S): Add macros.
2099 (E, H): Remove macros.
2100 (TTYPE_TABLE): Update entries for new speller.
2101 (SYNTAX_ASSERT): Remove.
2103 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2105 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2106 when removing escaped newlines. Reverse sense of test for
2109 2000-05-09 Richard Henderson <rth@cygnus.com>
2111 * flow.c (find_basic_blocks_1): Do not delete the first
2112 bb_note we run across.
2113 (create_basic_block): Use reorder_insns to move an existing
2114 bb_note to the correct place.
2116 2000-05-09 Richard Henderson <rth@cygnus.com>
2118 * calls.c (expand_call): Increment currently_expanding_call
2119 before calling optimize_tail_recursion.
2121 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2123 * reload1.c (reload_combine): Fix errors in last change.
2125 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2127 * gcc.c (used_arg): Skip over a semicolon at the end of the
2128 split-up loop; don't break out of it.
2130 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2131 (tree.o): Depend on output.h.
2133 * c-decl.c (pending_invalid_xref_file,
2134 current_function_prototype_file): Constify.
2135 (pushdecl): Constify a local char *.
2136 (define_label): Constify filename parameter.
2137 * c-lex.c (init_parse): Constify parameter and return value.
2138 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2139 * c-tree.h: Update prototypes.
2140 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2141 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2142 objc/objc-parse.c: Regenerate.
2144 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2145 * dwarfout.h: Update prototypes.
2146 * expr.c (expand_expr): Constify a local char *.
2147 * flags.h: Constify main_input_filename.
2148 * function.c (expand_function_end): Constify filename parameter.
2149 * genrecog.c (make_insn_sequence): Use a character array for
2151 (main): Remove unused variables.
2152 * input.h: Constify input_filename, main_input_filename, and
2153 file_stack.name. Update prototypes.
2154 * output.h: Declare first_global_object_name and
2155 weak_global_object_name here, as const char *.
2156 * stmt.c (expand_asm_operands): Constify filename parameter.
2157 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2158 Constify filename parameter.
2159 (input_filename, main_input_filename): Constify.
2160 * toplev.h: Update prototypes.
2161 * tree.c: Include output.h. Don't declare
2162 first_global_object_name or weak_global_object_name. Clean up string
2163 bashing in get_file_function_name_long.
2164 * tree.h (struct tree_decl): Constify filename member.
2165 (input_filename): Constify.
2167 * varasm.c (first_global_object_name, weak_global_object_name):
2169 (assemble_start_function, assemble_variable): Clean up string bashing.
2171 * gcc.c: Constify all spec-related strings initialized,
2172 transitively, from string constants. Constify all strings
2173 and string variables related to multilibs.
2174 (set_spec, read_specs): Cast argument to free to PTR.
2175 (used_arg): Do not modify multilib_matches. Use strncmp plus
2176 length comparison to compare multilib switches.
2177 * genmultilib: Constify everything declared in multilib.h.
2179 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2181 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2184 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2186 * config/avr/avr-protos.h (extra_constraint): change a type of
2187 second argument from char to int to avoid warnings.
2188 (asm_output_byte): Likewise.
2190 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2191 (initial_elimination_offset): Handle elimination from
2192 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2193 (legitimate_address_p): Use MAX_LD_OFFSET.
2194 (legitimize_address): Likewise.
2195 (out_movqi_r_mr): Likewise.
2196 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2197 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2198 (out_movsi_mr_r): Likewise.
2199 (out_movqi_mr_r): Likewise.
2200 (out_movhi_mr_r): Likewise.
2201 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2202 count as CONST_INT != 6.
2203 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2204 shift count is a CONSTANT_P, but not a CONST_INT.
2205 (ashlhi3_out): Coding style modifications.
2206 (ashlsi3_out): Likewise.
2207 (ashrhi3_out): Likewise.
2208 (ashrsi3_out): Likewise.
2209 (lshrhi3_out): Likewise.
2210 (lshrsi3_out): Likewise.
2211 (ashrqi3_out): Generate shift for any known constant count without
2212 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2213 but not a CONST_INT.
2214 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2215 shift count is a CONSTANT_P, but not a CONST_INT.
2216 (extra_constraint): change a type of
2217 second argument from char to int to avoid warnings.
2218 (asm_output_byte): Likewise.
2219 (asm_file_end): Output size generated commands count as a hex
2222 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2224 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2226 (ashlqi3): Values of "length" attribute changed. Shift count
2227 uses constraints 'n' instead of 'i'.
2228 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2229 shifts without clobber register.
2230 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2231 (call_insn): Correct test for which_alternative == 1 (was 0).
2232 (call_value_insn): Likewise.
2234 * config/avr/t-avr: Remove definition of FLOAT while generates
2237 2000-05-09 Bruce Korb <bkorb@gnu.org>
2239 * fixinc/check.tpl: Template for checking fixes
2240 * fixinc/inclhack.def: Added 'test_text' for many fixes
2241 disable hpux8_bogus_inlines on SCO
2242 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2244 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2246 * calls.c (expand_call): Reorganize somewhat in order
2247 to avoid unnecesary recalculation inside loop and make
2248 tail call failure code cleaner.
2250 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2252 * alias.c (nonlocal_reference_p): Minor reformatting.
2253 * reload.c (find_equiv_reg): Simplify logic for
2254 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2255 some some reformatting.
2256 * reload1.c (reload_combine): Don't assume everything in
2257 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2259 2000-05-08 Richard Henderson <rth@cygnus.com>
2261 * final.c (current_insn_predicate): New.
2262 (final_scan_insn): Set it.
2263 * output.h (current_insn_predicate): Declare.
2265 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2266 Attach it to call insns.
2267 (cond_exec_process_if_block): Track probability for true and
2269 (dead_or_predicable): Likewise.
2271 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2272 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2273 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2274 (estimate_probability, expected_value_to_br_prob): Use them.
2276 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2277 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2278 (ia64_expand_prediction): New.
2279 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2280 as needed after calls.
2281 (ia64_epilogue_uses): Mark b0 used.
2282 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2283 (bne_true, bne_false): Remove.
2284 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2285 (br_true, br_false): New. Use predicate_operator and
2286 ia64_expand_prediction.
2287 (return_true, return_false): Likewise.
2288 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2289 (call_internal1, call_value_internal): Likewise.
2290 (call_value_internal1, call_multiple_values_internal1): Likewise.
2292 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2294 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2296 2000-05-08 Richard Henderson <rth@cygnus.com>
2298 * rtlanal.c (may_trap_p): Consider old-style and volatile
2301 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2303 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2305 2000-05-08 Richard Henderson <rth@cygnus.com>
2307 * config/ia64/ia64.h (predicate_operator): Declare.
2309 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2312 * gensupport.c (process_rtx): Copy and post-process each member
2313 of the define_insn rtvec individually.
2315 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2317 * cpplex.c (spell_token): New function.
2318 (TOKEN_LEN): Add 1 for whitespace.
2319 (_cpp_lex_file): Update to use spell_token.
2320 * cpplib.h (E): Remove.
2321 (TTYPE_TABLE): Update CPP_VSPACE entry.
2323 2000-05-08 Richard Henderson <rth@cygnus.com>
2325 * flow.c (init_propagate_block_info): Watch out for conditional
2326 branch to next instruction, and thus one outgoing edge.
2328 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2329 for global register variables; don't special case __[CD]TOR_LIST__;
2330 mind ggc_p for string allocation.
2332 2000-05-08 Nick Clifton <nickc@cygnus.com>
2334 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2336 2000-05-08 Bruce Korb <bkorb@gnu.org>
2338 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2339 i?86-*-msdosdjgpp* no longer uses fixincludes
2340 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2341 * fixinc/inclhack.sh: deleted
2342 * fixinc/hackshell.tpl: deleted
2343 * fixinc/inclhack.tpl: deleted
2344 * fixinc/Makefile.in: Remove dependencies on above
2345 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2347 2000-05-08 Andreas Jaeger <aj@suse.de>
2349 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2352 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2354 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2357 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2359 * cpplex.c: Move new lexer definitions and prototypes
2360 to top. Conditional include these and the code if
2361 NEW_LEXER is defined. Rename functions whose names
2362 clash if this code included.
2364 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2366 * rtl.def (COND_EXEC): Clarify.
2368 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2369 same fashion as zero_extendsidi2.
2371 2000-05-06 Richard Henderson <rth@cygnus.com>
2373 * config/ia64/ia64.c (predicate_operator): New.
2374 (ia64_print_operand): Handle 'J'.
2375 (rtx_needs_barrier): Handle COND_EXEC.
2376 * config/ia64/ia64.h (BRANCH_COST): Define.
2377 (PREDICATE_CODES): Update.
2378 * config/ia64/ia64.md: Docuement used unspec values.
2379 (attr predicable): New.
2380 (movxf, movxf_internal): New.
2381 (extendsfdf2): Don't comment out nop.
2382 (floatdidf2): Remove.
2383 (truncxfsf2, truncxfdf2, floatdixf2): New.
2384 (abssi2, absdi2): Put the neg in the "true" slot.
2385 (conditional branch instructions): Mark not predicable.
2386 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2387 (abs*_internal): Likewise.
2388 (alloc, set_bsp): Mark not predicable.
2389 (barrier, insn_group_barrier, flush_cache): Likewise.
2390 (define_cond_exec): New.
2392 2000-05-06 Richard Henderson <rth@cygnus.com>
2394 * c-decl.c: Include "tm_p.h".
2396 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2397 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2398 (ia64_expand_op_and_fetch): Declare.
2399 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2400 (setjmp_operand): Constify variables for XSTR.
2401 (ia64_encode_section_info): Likewise.
2402 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2404 (ia64_asm_output_external): Constify name.
2405 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2406 (process_for_unwind_directive): Provide switch default.
2407 (ia64_expand_compare_and_swap): Remove unused variables.
2408 (ia64_expand_builtin): Likewise.
2409 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2412 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2413 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2414 (shift_count_operand, shift_32bit_count_operand): Likewise.
2415 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2416 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2417 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2418 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2419 (ia64_expand_builtin): Likewise.
2420 (call_multiple_values_operation): Make dest_regno unsigned.
2422 2000-05-06 Richard Henderson <rth@cygnus.com>
2424 * rtl.def (DEFINE_COND_EXEC): New.
2425 * md.texi: Document it.
2427 * gensupport.c (input_file): Remove.
2428 (struct queue_elem): Add lineno.
2429 (rtx_ready_queue): Remove.
2431 (predicable_default): New.
2432 (predicable_true, predicable_false): New.
2433 (define_attr_queue, define_attr_tail): New.
2434 (define_insn_queue, define_insn_tail): New.
2435 (define_cond_exec_queue, define_cond_exec_tail): New.
2436 (other_queue, other_tail): New.
2437 (queue_pattern): New.
2438 (process_rtx): Add patterns to the appropriate queues.
2439 (is_predicable, identify_predicable_attribute): New.
2440 (n_alternatives, collect_insn_data): New.
2441 (alter_predicate_for_insn, alter_test_for_insn): New.
2442 (shift_output_template, alter_output_for_insn): New.
2443 (process_one_cond_exec, process_define_cond_exec): New.
2444 (init_md_reader): Read the entire file. Process define_cond_exec.
2445 (read_md_rtx): Return elements from the queues.
2447 2000-05-06 Richard Henderson <rth@cygnus.com>
2449 * flow.c (mark_set_1): Don't update conditional life info
2450 if the register is not_dead.
2452 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2454 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2455 (mostlyclean): Also delete fixincl, fixinc.sh, and
2456 specs.ready, and make clean in the fixinc subdir.
2458 2000-05-06 Richard Henderson <rth@cygnus.com>
2460 * Makefile.in (gensupport.o): Compile for the host.
2461 (host-prefix gensuuprt.o): Remove.
2462 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2463 (genattrtab.o): Likewise.
2464 (gencodes.o): Depend on gensupport.h.
2465 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2466 (genpeep.o, genattr.o, genoutput.o): Likewise.
2468 * gensupport.c (obstack, rtl_obstack): New.
2469 (init_md_reader): Initialize rtl_obstack.
2470 * gensupport.h (rtl_obstack): Declare.
2471 (message_with_line): Declare.
2473 * genattr.c: Remove all traces of obstack manipulation.
2474 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2475 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2477 * genattrtab.c (obstack, rtl_obstack): Remove.
2478 (main): Don't init rtl_obstack.
2479 * genflags.c: Likewise.
2481 * genrecog.c (message_with_line): Move ...
2482 * gensupport.c: ... here.
2484 2000-05-06 Richard Henderson <rth@cygnus.com>
2486 * c-typeck.c (build_c_cast): Remove dead code.
2488 2000-05-06 Richard Henderson <rth@cygnus.com>
2490 * flow.c (split_edge): Don't allocate global_live_at_start for
2491 the new block unless the old blocks had them as well.
2493 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2495 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2496 test_bb if a or b uses x.
2498 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2500 * cpphash.h: Remove conditional #define of __extension__.
2501 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2502 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2503 (ENABLE_RTL_CHECKING only).
2504 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2505 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2506 (ENABLE_TREE_CHECKING only).
2507 * varray.h: Add __extension__ to VARRAY_CHECK macro
2508 (ENABLE_CHECKING only).
2510 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2512 Use new tail-calling mechanism on ARM.
2513 * arm.md (sibcall, sibcall_value): New expands.
2514 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2515 (tailcalling peepholes): Delete.
2516 (push_multi): Simplify.
2517 * arm.c (lr_save_eliminated): Delete definition.
2518 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2519 (output_return_instruction): Remove checks on lr_save_eliminated.
2520 (output_arm_prologue): Remove old tail-calling code.
2521 (arm_output_epilogue): New parameter, really_return. All callers
2522 changed. Handle tail-calling epilogues.
2523 * arm.h (lr_save_eliminated): Delete declaration.
2524 (frame_pointer_needed): Delete declaration.
2525 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2527 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2529 * arm.c (thumb_code): Define it.
2530 (arm_override_options): Set it.
2531 * arm.h (thumb_code): Declare it.
2533 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2535 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2537 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2539 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2540 bogus clobber to insns.
2541 (load_multiple_operation, store_mulitple_operation): Don't check
2543 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2545 * arm.md (and_scc, ior_scc): Add missing mode.
2547 * arm.md (call_value_symbol): Remove predicate from op2.
2549 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2551 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2553 * expr.c (get_subtarget): New function.
2554 (force_operand, expand_expr, do_store_flag): Use it.
2556 * toplev.c (compile_file): Don't take strlen of NAME if null.
2558 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2560 * xcoffout.c (xcoff_current_include_file,
2561 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2562 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2564 (xcoffout_declare_function): Make name 'const char *'.
2565 (xcoffout_end_epilogue): Make fname 'const char *'
2566 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2567 xcoffout_declare_function, xcoffout_source_line): Match above.
2569 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2571 * rs6000.c (print_operand): Fix lossage typo.
2572 (output_cbranch): Remove "cr" decoration for now.
2573 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2575 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2577 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2580 2000-05-05 Bruce Korb <bkorb@gnu.org>
2582 * fixinc/genfixes: Improve the matching for make target names
2584 2000-05-05 Catherine Moore <clm@cygnus.com>
2586 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2587 attribute to the decl.
2588 * c-decl.c (pushdecl): Propagate the USED attribute to the
2591 2000-05-05 Richard Henderson <rth@cygnus.com>
2593 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2594 same way emit_group_load does.
2596 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2598 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2600 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2603 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2605 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2607 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2609 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2610 to support -shared, on platforms with dynamic libraries.
2612 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2614 * system.h (S_ISBLK): Provide fallback definition.
2616 2000-05-05 Geoff Berry <geoffb@bops.com>
2618 * extend.texi (Extended Asm): Document inability to give asm
2619 statements access to condition codes.
2621 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2623 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2624 as arg 2 of UNIQUE_SECTION.
2626 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2628 * predict.c: Remove May 4 change.
2629 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2630 if we have predicted the branch at 50-50 probability.
2632 2000-05-05 Richard Henderson <rth@cygnus.com>
2634 * flow.c (init_propagate_block_info): Fix merge error
2635 in HAVE_conditional_execution code.
2637 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2639 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2640 shift cycle for unknown shift count. Also generates dec + brpl.
2641 (ashlqi3_out): Don't generate dec + brpl which now generates by
2642 `out_shift_with_cnt'.
2643 (ashlhi3_out): Likewise.
2644 (ashlsi3_out): Likewise.
2645 (ashrqi3_out): Likewise.
2646 (ashrhi3_out): Likewise.
2647 (ashrsi3_out): Likewise.
2648 (lshrqi3_out): Likewise.
2649 (lshrhi3_out): Likewise.
2650 (lshrsi3_out): Likewise.
2652 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2654 * gcc.c (free_split_directories): Correct typo in explanation
2655 of make_relative_prefix.
2657 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2659 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2660 comparison codes to branch_comparison_operator.
2662 2000-05-04 Richard Henderson <rth@cygnus.com>
2664 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2666 2000-05-04 Richard Henderson <rth@cygnus.com>
2668 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2669 (DPBIT_FUNCS): Remove _sf_to_usi.
2670 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2672 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2673 between condition and jump.
2675 * libgcc2.c (near eh_context_specific): Comment #endif string.
2676 * longlong.h: Don't use strings with embedded newlines.
2678 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2680 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2681 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2682 (print_operand): Delete %t and %T codes.
2683 (output_cbranch): New function. Support branch prediction.
2684 * config/rs6000/rs6000.md: Use output_cbranch for
2685 conditional branches and returns.
2687 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2689 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2690 * stor-layout.c (place_field): Likewise.
2691 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2692 * expr.c (store_expr): Make align unsigned.
2693 * explow.c (plus_constant_wide): Make low words unsigned.
2694 * expmed.c (choose_multiplier): Likewise.
2695 * fold-const.c (fold): Likewise.
2696 * tree.h (build_int_2): Likewise.
2697 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2698 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2699 (init_emit): Change cast to unsigned char*.
2700 * varasm.c (compare_constant_1): Add cast to char*.
2701 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2702 * reload1.c (reload): Likewise.
2704 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2706 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2708 * predict.c (estimate_probability): If no prediction was found, then
2709 predict the successor that is the next physical block (if such a
2712 2000-05-04 Richard Henderson <rth@cygnus.com>
2714 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2716 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2718 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2720 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2722 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2723 attribute macros from here ...
2724 (CPP_SPEC): to here.
2725 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2726 (CPP_SPEC): Likewise.
2727 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2729 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2730 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2732 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2734 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2736 * diagnostic (vbuild_message_string, build_message_string,
2737 build_location_prefix, output_get_prefix, init_output_buffer,
2738 output_notice, vline_wrapper_message_with_location,
2739 v_message_with_decl, default_print_error_function): De-constify.
2740 (set_real_maximum_length): Prototype.
2742 * diagnostic.h (struct output_buffer, init_output_buffer,
2743 output_get_prefix, output_set_prefix): De-constify.
2745 * function.c (init_function_start): Constify.
2747 * gensupport.c (remove_constraints, process_rtx): Prototype.
2749 * gthr-posix.h: Indent uses of #pragma.
2751 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2754 * predict.c (find_expected_value): Delete prototype.
2755 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2757 * sbitmap.h (debug_sbitmap): Prototype.
2759 * ssa.c (compute_coalesced_reg_partition): Prototype.
2761 * stor-layout.c (debug_rli): Prototype.
2763 * tree.h (round_down): Prototype.
2764 (init_function_start): Constify.
2766 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2768 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2769 (overly conservative). Change extern inline wrappers to
2770 static inline, define them always, use PARAMS properly.
2771 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2772 whitespace warnings for \f and \v at the beginning of a line.
2774 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2776 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2779 2000-05-04 Bruce Korb <bkorb@gnu.org>
2781 * fixincl/inclhack.def: added broken_cabs -
2782 Remove `extern double cabs' declarations from math.h
2783 * fixincl/inclhack.sh: regen
2784 * fixincl/fixincl.x: regen
2785 * fixincl/fixincl.c: Remove BOGOSITY code
2786 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2788 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2790 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2792 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2793 when calling MEM_COPY_ATTRIBUTES.
2794 * emit-rtl.c (operand_subword, change_address): Likewise.
2795 * explow.c (stabilize): Likewise.
2796 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2797 * integrate.c (copy_rtx_and_substitute): Likewise.
2798 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2799 when calling MEM_COPY_ATTRIBUTES.
2800 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2802 * cse.c (gen_lowpart_if_possible): Likewise.
2803 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2804 * optabs.c (gen_move_insn): Likewise.
2805 * recog.c (validate_replace_rtx_1): Likewise.
2806 * simplify-rtx.c (add_mem_for_addr): Likewise.
2807 * stmt.c (expand_anon_union_decl): Likewise.
2808 * config/arm/arm.md: Likewise.
2809 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2810 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2811 (block_move_no_loop, block_move_sequence): Likewise.
2812 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2813 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2814 Clear MEM_ALIAS_SET.
2815 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2816 MEM_COPY_ATTRIBUTES.
2818 2000-05-03 Robert Lipe <robertlipe@usa.net>
2820 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2821 to suppress libgcc1.
2822 (i[34567]86-*-sco3.2v5*) Likewise.
2823 (i[34567]86-*-sco3.2v4*) Likewise.
2824 (i[34567]86-*-sco) Likewise.
2825 (i[34567]86-*-solaris2) Likewise.
2826 (i[34567]86-*-sysv5*) Likewise.
2827 (i[34567]86-*-sysv4*) Likewise.
2828 (i[34567]86-*-udk*) Likewise.
2829 (i[34567]86-*-sysv*) Likewise.
2831 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2833 * cpphash.h (U): New define, to correct type of string constants.
2834 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2835 routines, to do casts when passing unsigned strings to libc.
2836 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2838 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2839 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2840 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2841 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2842 second argument an U_CHAR *.
2844 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2845 length field, clean up initializer.
2846 (ISTABLE): Add __extension__ to designated-
2847 initializers version.
2848 * cpplex.c (CHARTAB): Likewise.
2850 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2851 case so the file won't be empty.
2853 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2855 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2856 (REORDER_BLOCK_SUCC): Removed.
2857 (enum reorder_skip_type): Removed.
2858 (skip_insns_between_block): Renamed to skip_insns_after_block.
2859 Removed second argument. Removed dead code and cleaned up.
2860 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2861 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2862 second parameter to skip_insns_after_block.
2864 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2866 * tree.c (staticp, case LABEL_DECL): New case.
2868 2000-05-03 Richard Henderson <rth@cygnus.com>
2870 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2872 * mklibgcc1.in: Fix typo last change.
2874 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2876 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2877 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2878 (GCC_CFLAGS): Use it.
2879 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2880 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2881 objc/Make-lang.in: Use it.
2883 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2885 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2887 2000-05-03 Richard Henderson <rth@cygnus.com>
2889 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2890 LIBGCC1 empty with libgcc1.null.
2892 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2894 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2897 2000-05-03 Greg McGary <gkm@gnu.org>
2899 * tree.h (tree_common): Add bounded_flag member. Remove
2900 inaccurate comment about number of remaining bits.
2901 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2902 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2903 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2904 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2905 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2906 (TYPE_QUAL_BOUNDED): New constant.
2907 (TYPE_QUALS): Handle bounded qualifier.
2908 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2909 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2910 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2911 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2912 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2913 (tree_type): Add pointer_depth member. Remove
2914 inaccurate comment about number of remaining bits.
2915 (DECL_POINTER_DEPTH): Add macro.
2916 (tree_decl): Add pointer_depth member.
2918 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2920 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2921 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2922 (lshrhi3_out): Likewise.
2923 (ashrsi3_out): bugfix in shift by 8.
2924 (test_hard_reg_class): New function.
2925 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2926 (ashlhi3): removed define_expand of this pattern.
2927 (*ashlhi3_insn): renamed to ashlhi3.
2928 (ashlsi3): removed define_expand of this pattern.
2929 (*ashlsi3_insn): renamed to ashlsi3.
2930 (ashrqi3): removed define_expand of this pattern.
2931 (*ashrqi3_insn): renamed to ashrqi3.
2932 (ashrhi3): removed define_expand of this pattern.
2933 (*ashrhi3_insn): renamed to ashrhi3.
2934 (ashrsi3): removed define_expand of this pattern.
2935 (*ashrsi3_insn): renamed to ashrsi3.
2936 (lshrhi3): removed define_expand of this pattern.
2937 (*lshrhi3_insn): renamed to lshrhi3.
2938 (lshrsi3): removed define_expand of this pattern.
2939 (*lshrsi3_insn): renamed to lshrsi3.
2941 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2943 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2944 inclusion of "system.h".
2946 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2948 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2951 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2953 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2954 if -mauto-pic is on.
2955 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2956 -mconstant-gp is in effect and function-descriptors are being used
2957 to make indirect calls.
2958 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2959 (MASK_AUTO_PIC): Ditto.
2960 (TARGET_CONST_GP): Ditto.
2961 (TARGET_AUTO_PIC): Ditto.
2962 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2963 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2964 -mno-pic is in effect.
2965 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2966 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2967 -mauto-pic is in effect.
2968 (gprel64_offset): New pattern.
2969 (load_gprel64): Ditto.
2970 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2971 -mconstant-gp is in effect, no need to preserve gp around direct
2973 (call_value): Ditto.
2974 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2975 (FUNCTION_PROFILER): Define.
2976 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2977 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2978 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2980 2000-05-03 Richard Henderson <rth@cygnus.com>
2982 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2983 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2984 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2985 (mklibgcc, libgcc.mk): New targets.
2986 (libgcc.a): Use libgcc.mk.
2987 (stmp-multilib): Likewise.
2988 (stmp-multilib-sub): Remove.
2989 (mostlyclean): Don't delete libgcc2 temp files.
2990 * configure.in (AC_PROG_CC_C_O): Add.
2991 (NO_MINUS_C_MINUS_O): Substitute it.
2992 (all_outputs): Add mklibgcc.
2993 * mklibgcc.in: New file.
2995 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2997 * cppexp.c (op_t): Make an int.
2999 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3001 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3003 * gensupport.c (process_rtx): Fix macros used.
3005 2000-05-03 Richard Henderson <rth@cygnus.com>
3007 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3008 call-clobbered registers of a call.
3010 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3012 * gensupport.c: New file.
3013 * gensupport.h: New file.
3014 * Makefile.in (HOST_RTL): Depend on gensupport.
3015 (gensupport.o) New rule.
3016 * genattr.c: Use gensupport for reading .md files.
3017 * genattrtab.c: Ditto.
3018 * gencodes.c: Ditto.
3019 * genconfig.c: Ditto.
3021 * genextract.c: Ditto.
3022 * genflags.c: Ditto.
3023 * genopinit.c: Ditto.
3024 * genoutput.c: Ditto.
3026 * genrecog.c: Ditto.
3027 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3028 * md.texi (Insn Splitting): Document define_insn_and_split.
3030 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3032 * flow.c (verify_flow_info): Added two more sanity checks. The
3033 first checks that the blocks are numbered consecutively. The second
3034 checks that n_basic_blocks is actually equal to the number of
3035 basic blocks in the insn chain.
3037 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3039 * cpplib.h: Add accessor macros for token lists.
3040 * cpplib.c, cpphash.c, cpplex.c: Use them.
3042 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3044 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3045 memory usage if not in a function.
3046 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3047 return address if static.
3049 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3051 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3052 whether address may trap.
3054 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3056 * bb-reorder (chain_reorder_blocks): Changed code to test for
3057 EDGE_FALLTHRU rather than making erroneous assumption that the
3058 first outgoing edge is the fall-through edge.
3060 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3062 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3063 ABI for varargs, across all MIPS. This is incompatible because the
3064 va_list (__builtin_va_list) structure is different, so a compilation
3065 unit passing a va_list and a compilation unit being passed one, should
3066 both be compiled with the same ABI. (The old structure had two
3067 pointers, now it has three.)
3069 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3071 * bb-reorder.c (struct reorder_block_def): Remove members end,
3072 block_begin, and block_end.
3073 (REORDER_BLOCK_OLD_END): Delete.
3074 (REORDER_BLOCK_BEGIN): Delete.
3075 (REORDER_BLOCK_END): Delete.
3076 (chain_reorder_blocks): Remove dead code.
3078 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3080 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3081 notes as the end of a basic block before deleting.
3083 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3085 * final.c (final_start_function): Fix spelling of "necessary".
3087 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3089 * toplev.c (debug_ignore_block): Return int.
3090 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3091 * toplev.h, dwarf2out.h: Adjust.
3092 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3094 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3095 * toplev.c, final.c, rtl.h: Adjust.
3097 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3099 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3100 * configure.in: Look for makeinfo in the unified tree, then
3101 for a system makeinfo which is sufficiently new.
3102 * Makefile.in: If configure says makeinfo is too old, don't
3103 build or install Info documentation.
3105 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3107 * cpphash.c (collect_params): Fix off-by-one error.
3108 (dump_hash_helper): Dump all four macro nodetypes.
3110 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3112 * cpphash.c (trad_stringify): Adjust p after stringification as
3115 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3117 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3118 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3120 * cppfiles.c (file_cleanup): Delete.
3121 * cpphash.c (macro_cleanup): Delete.
3122 (collect_objlike_expansion, collect_funlike_expansion,
3123 macarg, scan_arguments): Remove CPP_POP case.
3125 * cpplex.c (null_cleanup): Delete.
3126 (cpp_pop_buffer): Do the work that was done in the cleanups
3127 here. Call _cpp_unwind_if_stack from here.
3128 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3129 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3130 stack is the buffer _below_ the one we stacked.
3131 (cpp_get_token): Always pop an exhausted buffer. Return
3132 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3133 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3134 increment the line number.
3135 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3137 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3138 we see CPP_EOF and the top of stack is the buffer _below_ the
3140 * scan-decls.c: Likewise.
3142 2000-05-02 Andrew Haley <aph@cygnus.com>
3144 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3145 where this function is called for the second time on a decl that
3146 has had its section info changed in such a way as to move it out
3148 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3150 2000-05-01 Richard Henderson <rth@cygnus.com>
3152 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3153 the sequence we're moving, not to merge_bb->head.
3155 2000-05-01 Richard Henderson <rth@cygnus.com>
3157 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3158 reference to alpha/t-linux.
3159 (alpha*-*-linux-gnu*): Likewise.
3160 * configure: Rebuild.
3162 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3164 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3167 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3169 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3171 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3174 2000-05-01 Richard Henderson <rth@cygnus.com>
3176 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3177 emit_conditional_move.
3179 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3181 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3182 as the dynamic linker.
3184 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3186 * cppfiles.c (open_include_file): Open file in blocking mode.
3187 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3188 Only exclude block devices and directories.
3190 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3191 static. Allocate the hashnode and its string in the same
3193 (del_HASHNODE): Don't free h->name.
3194 (_cpp_lookup): If there is no entry for this string, create
3195 one, of type T_VOID.
3196 (_cpp_lookup_slot): Delete.
3197 * cpphash.h: Update prototypes.
3199 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3201 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3202 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3203 node here, just fill in the value field properly. "Delete"
3204 entries by setting the value field to T_VOID. Check for
3205 hp->type == T_VOID, not hp == NULL.
3207 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3208 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3211 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3213 * config/mn10300/mn10300.c (print_operand_address): Do not add
3216 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3217 adjusted by less than 256 bytes, use ret regardless of having any
3218 callee-saved register to restore.
3220 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3222 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3224 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3226 * config/i386/djgpp.h (INT_ASM_OP): Define.
3227 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3228 (ASM_WEAKEN_LABEL): Define.
3229 (MASK_BNU210): Define.
3230 (SUBTARGET_SWITCHES): Define.
3231 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3232 (MAKE_DECL_ONE_ONLY): Define.
3233 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3235 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3237 * i386/cygwin.h (INT_ASM_OP): Define.
3239 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3241 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3242 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3244 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3246 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3247 __tmp_reg__ and __zero_reg__ initialization.
3249 2000-04-30 Richard Henderson <rth@cygnus.com>
3251 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3253 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3254 referenced bewteen the condition and the jump. Don't delete
3255 anything but the jump.
3257 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3259 * bb-reorder.c (scope_def): New struct.
3260 (scope_forest_info): New struct.
3261 (struct reorder_block_def): New member "scope".
3262 (REORDER_BLOCK_SCOPE): New macro.
3263 (relate_bbs_with_scopes): New function and prototype.
3264 (make_new_scope): Likewise.
3265 (build_scope_forest): Likewise.
3266 (remove_scope_notes): Likewise.
3267 (insert_intra_1): Likewise.
3268 (insert_intra_bb_scope_notes): Likewise.
3269 (insert_inter_bb_scope_notes): Likewise.
3270 (rebuild_scope_notes): Likewise.
3271 (free_scope_forest_1): Likewise.
3272 (free_scope_forest): Likewise.
3273 (dump_scope_forest): Likewise.
3274 (dump_scope_forest_1): Likewise.
3275 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3276 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3278 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3279 and remove_scope_notes before reordering is done. Added calls to
3280 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3281 after reordering is done.
3283 2000-40-30 Bruce Korb <bkorb@gnu.org>
3285 * fixinc/inclhack.def: Added definitions needed by OSR5,
3286 removed two stale entries (defined away with OLD_CPP).
3287 * fixinc/inclhack.sh: regen
3288 * fixinc/fixincl.x: regen
3290 2000-04-30 Richard Henderson <rth@cygnus.com>
3292 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3293 from the last insn in the sequence.
3295 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3297 * cpplex.c (cpp_idcmp): New function.
3298 * cpplib.h: Prototype it.
3299 * scan_decls.c (scan_decls): Use it to inspect token names.
3300 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3301 the file being run through the preprocessor.
3302 (check_macro_names): Provide length of token to cpp_defined.
3304 * Makefile.in: Remove stale warning message.
3306 * cppfiles.c (redundant_include_p): Provide length of token to
3308 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3309 values are unsigned int.
3310 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3311 (_cpp_lookup_slot): Do not calculate the hash, either.
3312 * cpphash.h: Update prototypes.
3313 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3314 Hashes are unsigned int. Calculate hash here, pass by value
3315 to _cpp_lookup_slot.
3317 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3319 * simplify-rtx.c (check_value_useless): Delete function.
3320 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3322 (cselib_invalidate_regno): Likewise.
3323 (cselib_invalidate_mem_1): Likewise.
3324 (references_value_p): Recognize useless values by the fact that they
3326 (discard_useless_values): Likewise.
3327 (cselib_record_set): This may turn a useless value
3330 2000-04-30 Richard Henderson <rth@cygnus.com>
3332 * config/d30v: New port.
3334 * configure.in (d30v-*): Set fp format.
3335 * configure: Rebuild.
3337 2000-04-30 Richard Henderson <rth@cygnus.com>
3339 * ifcvt.c: New file.
3340 * Makefile.in (OBJS): Add it.
3341 (ifcvt.o): New target.
3342 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3343 and conditional arithmetic.
3344 (find_insert_position): Remove.
3345 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3346 * toplev.c (DFI_ce, DFI_ce2): New.
3347 (dump_file): Add ce and ce2 dumps.
3348 (rest_of_compilation): Run if_convert a couple o times. Set
3349 cse_not_expected after cse2. Don't set no_new_pseudos until
3350 after sched1 or recompute_reg_usage.
3352 2000-04-30 Richard Henderson <rth@cygnus.com>
3354 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3355 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3357 2000-04-30 Richard Henderson <rth@cygnus.com>
3359 * flow.c (struct reg_cond_life_info): New.
3360 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3361 (init_propagate_block_info): Initialize them.
3362 (free_propagate_block_info): Destruct them.
3363 (mark_set_1): Consider conditional life before killing a register.
3364 (mark_regno_cond_dead): New.
3365 (free_reg_cond_life_info): New.
3366 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3367 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3368 (mark_used_reg): Record conditional life.
3370 * haifa-sched.c (schedule_insns): Disable death counting
3371 sanity check for HAVE_conditional_execution.
3373 2000-04-30 Richard Henderson <rth@cygnus.com>
3375 * Makefile.in (TIMEVAR_H): New.
3376 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3377 (timevar.h): Remove rule.
3379 2000-04-29 Richard Henderson <rth@cygnus.com>
3381 * config/alpha/crtend.asm: Use C comments instead of #.
3382 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3384 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3386 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3388 * cpphash.h (enum node_type: Take out T_MCONST.
3389 (union hashval): Move into struct hashnode.
3390 (struct hashnode): Pack tighter. Remove file, line, col
3392 * cpphash.c: Constify most of the macro-definition structures.
3393 (struct definition): Replace by struct object_defn
3394 and struct funct_defn. Put file, line, column information
3395 here. All users updated to match.
3396 (_cpp_create_definition, _cpp_macroexpand): Remove special
3397 case for #define WORD OTHERWORD.
3398 * cpplib.c (do_undef): Remove T_MCONST case.
3400 * cpphash.h: Move struct reflist, struct definition, and the
3401 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3402 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3403 * cpphash.c (_cpp_free_definition): Free data pointed to by
3404 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3405 (_cpp_create_definition, del_HASHNODE): Just call
3406 _cpp_free_definition to clear out a hashnode.
3407 * cpplib.c (do_pragma_poison): Likewise.
3409 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3411 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3412 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3413 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3414 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3415 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3416 REGNO_AM33_P): Redefine in terms of the new macros.
3417 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3418 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3419 STRUCT_VALUE): Likewise.
3420 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3421 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3423 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3425 * regmove.c (struct record_stack_memrefs_data): New.
3426 (record_stack_memrefs): New function.
3427 (combine_stack_adjustments_for_block): Use it.
3429 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3431 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3432 use special_function_p to detect alloca.
3434 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3436 * gcc.texi: Fixes for makeinfo 4.0 --html.
3438 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3440 * pcp.h: Delete file.
3442 2000-04-28 Kazu Hirata <kazu@hxi.com>
3444 * h8300.c (function_epilogue): Clean up flags when the last insn
3445 in a function is a barrier.
3447 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3449 * configure.in (sparc-hal-solaris2*): protect [] glob from
3451 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3452 rather than hard-coded constants in target_cpu_default2.
3453 * configure: Regenerate.
3455 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3457 * tree.c (get_callee_fndecl): Extract the initial value from
3460 2000-04-28 Richard Henderson <rth@cygnus.com>
3462 * varasm.c (record_constant_1): Record the CODE_LABEL when
3463 taking the address of a LABEL_REF.
3465 2000-04-28 Richard Henderson <rth@cygnus.com>
3466 Jan Hubicka <jh@suse.cz>
3468 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3469 adjustment; don't do the stack adjust.
3470 (expand_call): Call compute_argument_block_size right before
3471 allocating the block; update comment; don't do alignment sanity
3472 checking for sibling call; use args_size instead of
3473 unadjusted_args_size before args_size is adjusted. Use
3474 combine_pending_stack_adjustment_and_call to compute stack adjust
3475 for must_preallocate case.
3477 * expr.c (push_block): Remove shadow `temp' in inner scope.
3479 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3481 * toplev.c (rest_of_compilation): Call
3482 note_deferral_of_defined_inline_function even if the function
3485 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3487 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3489 2000-04-28 Richard Henderson <rth@cygnus.com>
3491 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3493 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3495 * timevar.c (init_timevar): DeANSIfy function definition.
3497 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3499 * Makefile.in (timevar.o): Depend on flags.h.
3500 * timevar.c (unused_stack_instances): New variable.
3501 (timevar_push): Take a timevar_stack_def from
3502 unused_stack_instances if available.
3503 (timevar_pop): Push the popped timevar_stack_def onto
3504 unused_stack_instances.
3505 (TIMEVAR_ENABLE): New macro.
3506 (timevar_def): Make standalone a 1-bit field. Add field used.
3507 (get_time): Rename parameter to now. Return after clearing it if
3509 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3510 (timevar_pop): Likewise.
3511 (timevar_stop): Likewise.
3512 (timevar_push): Likewise. Mark the timing variable as used.
3513 (timevar_start): Likewise.
3514 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3515 timevars that were never used.
3517 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3519 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3520 always TREE_READONLY.
3522 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3524 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3525 for call instruction with mode QImode.
3527 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3529 * Makefile.in (OBJS): Add timevar.o.
3530 (toplev.o): Depend on timevar.h.
3531 (ggc-simple.o): Likewise.
3532 (ggc-page.o): Likewise.
3533 (timevar.o): New rule.
3534 (timevar.h): New rule.
3536 * timevar.h: New file.
3537 * timevar.c: Likewise.
3538 * timevar.def: Likewise.
3540 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3541 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3543 (TIMEVAR): Remove macro.
3544 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3545 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3546 flow_time, combine_time, regmove_time, sched_time,
3547 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3548 sched2_time, dbr_sched_time, reorder_blocks_time,
3549 rename_registers_time, shorten_branch_time, stack_reg_time,
3550 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3552 (compile_file): Don't initialize time variables. Call
3553 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3554 of many calls to print_time.
3555 (rest_of_compilation): Add timing for reload_cse_regs.
3556 (get_run_time): Removed to timevar.c.
3557 (print_time): Likewise.
3558 (get_run_time): Implement using TV_TOTAL time variable.
3559 (print_time): Get total run time from get_run_time.
3560 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3561 computing elapsed time explicitly.
3562 * ggc-simple.c (ggc_collect): Likewise.
3563 (gc_time): Remove declaration.
3565 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3567 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3568 (expand_call): Use it.
3570 2000-04-27 Jan Hubicka <jh@suse.cz>
3572 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3575 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3577 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3580 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3582 * function.c (epilogue_done): Pass whole insn to record_insns.
3584 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3586 * cse.c (CSE_ADDRESS_COST): Remove.
3587 (find_best_addr): Add new parameter "MODE", use address_cost instead
3589 (address_cost): New.
3590 (fold_rtx): Update call of find_best_addr.
3591 * rtl.h (address_cost): Declare.
3592 * loop.c (general_induction_var): Add new parameter "MODE", use
3593 address_cost instead of ADDRESS_COST
3594 (init_loop): Use address_cost instead of ADDRESS_COST.
3595 (check_insn_for_givs): Update call of general_induction_var.
3596 (find_mem_givs): Likewise.
3597 (consec_sets_giv): Likewise.
3598 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3599 * i386.c (ix86_address_cost): New.
3600 * i386-protos.h (ix86_address_cost): Declare.
3602 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3604 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3607 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3609 * expr.c (store_expr): Use clear_storage instead of direct memset
3612 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3614 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3615 ASHIFT, AND and LABEL_REF.
3617 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3619 * invoke.texi (-foptimize-sibling-calls): Fix.
3621 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3623 * loop.c (load_mems) Don't use hard registers for the hoisting.
3625 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3626 calculation; rename const_equiv array in the preconditioning code
3627 from loop_unroll to loop_unroll_precondition
3629 2000-04-27 Richard Henderson <rth@cygnus.com>
3631 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3633 (propagate_one_insn): Clear it. Don't update reg_live here.
3634 (init_propagate_block_info): Update for pbi member changes.
3635 (free_propagate_block_info): Likewise.
3636 (mark_set_1): Know that zero_extract, sign_extract, and
3637 strict_low_part don't kill their argument. Alter hard subregs.
3638 Update new_set for non-CLOBBER sets. Update reg_live.
3639 (find_auto_inc): Update reg_live, not new_dead.
3640 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3641 to determine if the reg in question was set this insn. Only update
3642 reg info with PROP_REG_INFO.
3644 2000-04-26 Richard Henderson <rth@cygnus.com>
3646 * flow.c (allocate_reg_life_data): Set max_regno here ...
3647 (life_analysis): ... not here.
3649 * flow.c (calculate_global_regs_live): Force stack pointer
3652 2000-04-26 Richard Henderson <rth@cygnus.com>
3654 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3655 commit change group changes.
3656 (invert_exp_1): Similarly.
3657 (redirect_exp, invert_exp): Use them.
3658 (redirect_jump_1): New.
3659 (invert_jump_1): New.
3660 (jump_optimize_1): Remove code subsumed by condexec.c.
3661 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3663 2000-04-26 Richard Henderson <rth@cygnus.com>
3665 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3667 * genconfig.c (main): Set all HAVE_foo to 1.
3669 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3671 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3673 * invoke.texi: Document -fssa flag.
3675 2000-04-26 Richard Henderson <rth@cygnus.com>
3677 * flow.c (count_reg_sets_1): Remove.
3678 (count_reg_sets, count_reg_references): Remove.
3679 (recompute_reg_usage): Implement with update_life_info.
3680 Reallocate life data.
3682 2000-04-26 Richard Henderson <rth@cygnus.com>
3684 * flow.c (update_life_info): Consider blocks null to mean the
3686 (calculate_global_regs_live): Likewise.
3687 (life_analysis): Do that instead of collecting all_blocks.
3689 2000-04-26 Richard Henderson <rth@cygnus.com>
3691 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3692 a still-valid conditional jump.
3694 2000-04-26 Richard Henderson <rth@cygnus.com>
3696 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3698 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3699 * flow.c (calculate_loop_depth): Remove.
3700 * output.h (calculate_loop_depth): Don't declare.
3701 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3702 inline; run estimate_probability at the same time.
3704 2000-04-26 Neil Booth <NeilB@earthling.net>
3706 * cpplib.h: "~=" is not a single pp-token.
3707 * cpplex.c: Correct commentary.
3709 2000-04-26 Richard Henderson <rth@cygnus.com>
3711 * flow.c (mark_set_1): New arguments code and flags; update all
3712 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3713 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3714 loop_depth when optimizing for size. Do new_dead update after
3715 emitting REG_UNUSED notes. Merge mark_set_reg code.
3716 (mark_set_reg): Remove.
3717 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3718 arrange to not emit REG_UNUSED notes.
3720 2000-04-26 Richard Henderson <rth@cygnus.com>
3722 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3723 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3725 2000-04-26 Richard Henderson <rth@cygnus.com>
3727 * flow.c (propagate_one_insn): Break out from propagate_block.
3728 (init_propagate_block_info): Likewise.
3729 (free_propagate_block_info): Likewise.
3730 (propagate_block): Use them. Export.
3731 * basic-block.h: Declare them all.
3733 2000-04-26 Richard Henderson <rth@cygnus.com>
3735 * basic-block.h (life_analysis): Declare here ...
3736 * output.h: ... not here.
3737 * flow.c (life_analysis): Remove nregs parameter; replace
3738 remove_dead_code with flags. Remove ssa dead code check.
3739 Only init alias analysis if we'll use it.
3740 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3741 * ssa.c (convert_to_ssa): Likewise.
3742 (convert_from_ssa): Likewise.
3743 * toplev.c (rest_of_compilation): Likewise.
3745 2000-04-26 Richard Henderson <rth@cygnus.com>
3747 * flow.c (flow_delete_block): Rename from delete_block. Export.
3748 * basic-block.h (flow_delete_block): Declare.
3750 2000-04-26 David S. Miller <davem@redhat.com>
3752 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3753 taking a PATTERN of it.
3755 2000-04-26 <NeilB@earthling.net>
3757 * cpplex.c (spell_other, spell_char): Remove.
3759 (token_spelling, trigraph_map): Use unsigned chars.
3760 (_cpp_lex_line): Tidy up the switch statement.
3761 * cpplib.h: Implement spell_char with spell_string.
3764 2000-04-26 <RodneyBrown@pmsc.com>
3766 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3767 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3769 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3771 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3772 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3773 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3774 dwarf2out_return_save, dwarf2out_return_reg,
3775 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3776 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3777 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3779 * dwarf2out.h (dwarf2out_init): Likewise.
3781 * dwarfout.c (filename_entry, primary_filename, last_filename,
3782 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3784 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3785 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3786 dwarf2out_return_reg): Likewise.
3788 2000-04-26 Andreas Jaeger <aj@suse.de>
3790 * extend.texi (Function Attributes): Fix description of pure
3793 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3795 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3796 before calling rest_of_compilation.
3798 2000-04-26 Andreas Jaeger <aj@suse.de>
3800 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3803 2000-04-25 Richard Henderson <rth@cygnus.com>
3805 * cse.c (cse_insn): Emit barrier after unconditional jump.
3807 * calls.c (expand_call): Disable tail call generation once
3808 rtx_equal_function_value_matters is false.
3810 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3813 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3815 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3817 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3819 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3820 is the primary DIE for a member function.
3821 (gen_decl_die): Call set_decl_origin_self here.
3822 * dwarfout.c (output_decl): And here.
3823 * integrate.c (output_inline_function): Not here.
3824 Don't clear DECL_INLINE until after calling rest_of_compilation.
3825 (set_decl_origin_self): No longer static.
3826 * tree.h: Add prototype.
3827 * toplev.c (note_deferral_of_defined_inline_function): Only write
3828 out abstract instance for actual inlines.
3830 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3832 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3833 EXTENDED_REGS only if TARGET_AM33.
3834 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3835 SP_REGS to register allocation and reloading unless absolutely
3837 (movsi3): Remove special-case of adding non-constants to SP.
3839 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3841 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3842 INCLUDES to search and does not provide any of its own. Also it
3843 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3844 parameters. Also it does not call AC_DEFINE.
3845 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3846 AC_DEFINE and provides for automatic entries for autoheader.
3847 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3849 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3850 so we can pass -I flags and include gansidecl.h/system.h in this
3853 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3855 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3857 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3858 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3859 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3861 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3862 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3863 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3864 for these macros. Clean up spacing and linewraps.
3866 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3868 * calls.c (expand_call): Use get_callee_fndecl.
3870 * print-tree.c (print_node): Print the chain of an _EXPR.
3872 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3873 Jim Wilson <wilson@cygnus.com>
3874 Andrew Haley <aph@cygnus.com>
3876 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3877 and gp save/restore problems.
3878 * config/ia64/crtend.asm: Add IA-64 unwind support.
3879 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3880 in fr_pad_size calculation.
3881 (save_restore_insns): Move PR save area. Correct uses of
3882 RTX_FRAME_RELATED_P.
3883 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3884 (ia64_expand_epilogue): Add eh_epilogue support.
3885 (ia64_function_prologue): Emit .prologue directive.
3886 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3887 (ia64_override_options): Set init_machine_status and
3888 mark_machine_status.
3889 (rtx_needs_barrier): Handle bsp reads and writes.
3890 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3891 New static variables.
3892 (process_set, process_for_unwind_directive): New functions.
3893 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3894 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3895 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3897 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3898 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3899 (struct machine_function): Define.
3900 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3902 2000-04-25 Bruce Korb <bkorb@gnu.org>
3904 * fixinc/Makefile.in: make the removal of old programs more
3906 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3907 install-bin and install-sh
3909 2000-04-25 Nick Clifton <nickc@cygnus.com>
3911 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3912 defined, define to return zero.
3913 (function_cannot_inline_p): If a function has any target
3914 specific attributes, then use the macro
3915 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3916 whether it can be inlined. If it cannot, issue a suitable
3919 * tm.texi: Add a new node 'Inlining' to document the new macro
3920 FUNCTION_ATTRIBUTE_INLINABLE_P.
3922 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3924 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3927 2000-04-25 Neil Booth <NeilB@earthling.net>
3929 Restore previous patch, plus the following fixes:
3931 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3932 flags, not CPP_OPEN_PAREN.
3933 * cpplex.c (expand_token_space, init_token_list,
3934 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3935 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3937 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3939 * config/i386/freebsd.h (INT_ASM_OP): Define.
3941 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3943 * loop.c (strength_reduce): Fix typo in the last checkin.
3945 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3947 * stor-layout.c (finalize_record_size): Simplify to use existing
3949 (compute_record_mode): No longer static.
3950 * tree.h (compute_record_mode): New declaration.
3952 2000-04-25 Neil Booth <NeilB@earthling.net>
3954 * Revert my patch below until cause of build failures
3957 2000-04-25 Richard Henderson <rth@cygnus.com>
3959 * combine.c (combine_instructions): Add missing argument
3962 * toplev.c (rest_of_compilation): Delay sibcall optimization
3963 until after emit_eh_context.
3965 2000-04-24 Nick Clifton <nickc@redhat.com>
3967 * combine.c (combine_instructions): Do not try to combine a
3968 sequence of insns when the second insn has been replaced by a
3971 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3973 * gcc.c (load_specs): New static function.
3974 (read_specs): Use it.
3976 * gcc.c (lookup_compiler): Make multiple passes for case
3977 insensitive filesystems.
3979 2000-04-24 Neil Booth <NeilB@earthling.net>
3981 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3982 * cpphash.h (_cpp_check_directive): new.
3983 * cpplex.c (handle_newline, cpp_free_token_list,
3984 init_trigraph_map, trigraph_ok, trigraph_replace,
3985 backslash_start, skip_block_comment, skip_line_comment,
3986 skip_whitespace, parse_name, parse_number, parse_string,
3987 copy_comment, _cpp_lex_line, spell_char, spell_string,
3988 spell_comment, spell_name, spell_other, _cpp_lex_file,
3989 _cpp_output_list): new.
3990 (expand_name_space): take length argument.
3991 (init_token_list): add comment list initialisation.
3992 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3993 instead of HSPACE_BEFORE.
3995 * cpplib.c (_cpp_check_directive): new
3996 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3997 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3998 (HSPACE_BEFORE): delete.
3999 (TTYPE_TABLE): rearrange.
4000 (struct cpp_toklist): update.
4002 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4004 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4005 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4006 argument form of AC_DEFINE.
4008 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4009 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4010 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4011 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4012 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4014 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4016 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4018 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4019 deduced.h): Use -isystem, not -I, for including system headers.
4021 2000-04-24 Nick Clifton <nickc@cygnus.com>
4023 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4024 the source register is the frame pointer or arg pointer.
4025 (addsi3_small_int): Disallow if source register is the frame
4026 pointer or arg pointer.
4028 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4030 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4031 call to AC_MSG_RESULT.
4033 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4035 * invoke.texi: Correct grammatical errors, document
4036 -fno-gnu-keywords as identical to -fno-asm for C++.
4038 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4040 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4041 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4042 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4043 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4044 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4046 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4047 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4048 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4049 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4052 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4054 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4055 (pop_alignment): Likewise.
4056 (handle_pragma_token): Likewise.
4058 2000-04-24 Robert Lipe <robertlipe@usa.net>
4060 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4062 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4064 * combine.c (try_combine): Update reg_nonzero_bits of
4065 newi2pat before newpat.
4067 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4069 * loop.c (strength_reduce): Simplify test to INSN_P.
4070 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4071 expressions instead of CONST_INT.
4072 (express_from_1): Likewise.
4074 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4076 * regs.h (reg_n_max): Don't declare.
4077 * flow.c (reg_n_max): Don't define.
4078 * regclass.c (renumber): Don't initialize to zero.
4079 (regno_allocated): Likewise.
4080 (reg_n_max): Define.
4081 (allocate_reg_info): Don't initialize unnecessarily.
4083 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4085 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4086 and blockage_p in the newly allocated attribute.
4088 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4090 * config/mn10300/mn10300.md (addsi): `inc4' on address
4091 registers does not modify cc, but `inc' on an extended
4094 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4096 * reload.c (find_equiv_reg): Checks all valueno regs
4097 as a reload_reg_p regs.
4099 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4101 * cpphash.c (collect_objlike_expansion): Add sanity check.
4102 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4103 the buffer is the empty string, return. Mark __DATE__ and
4104 __TIME__ as XCONST nodes, not MCONST.
4105 (_cpp_macroexpand): Avoid pushing an empty buffer.
4106 (funlike_macroexpand): Don't pop token_buffer here.
4108 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4110 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4111 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4112 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4113 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4114 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4115 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4116 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4118 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4120 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4123 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4125 * cpphash.h (struct definition): Move file, line, col members...
4126 (struct hashnode): ... here. Also add 'disabled' flag.
4127 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4128 T_IDENTITY. Remove T_DISABLED.
4131 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4132 (collect_expansion): Split into collect_objlike_expansion and
4133 collect_funlike_expansion.
4134 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4135 funlike_macroexpand.
4136 (_cpp_compare_defs): Rename compare_defs, make static.
4137 (_cpp_make_hashnode): Initialize hp->disabled.
4138 (macro_cleanup): Adjust for new token types. Clear
4140 (_cpp_create_definition): Move code here to determine what
4141 sort of macro it is, and code to check for redefinitions, from
4142 do_define. Implement a few simple cases without creating a
4144 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4145 Handle the simple cases.
4146 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4149 * cppinit.c (builtin_array): Change MCONST to XCONST
4151 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4152 fix check for disabled and function-like macros.
4153 * cpplib.c (do_define): Move most logic to
4154 _cpp_create_definition.
4155 (do_undef): Handle new special token types.
4157 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4159 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4160 of CONSTANT_P for mult_val; always use validate_change to update insn.
4162 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4164 * cpphash.c (trad_stringify, add_pat): New functions.
4165 (collect_expansion): Restore support for -traditional syntax.
4166 Use trad_stringify and add_pat.
4167 (_cpp_macroexpand): Restore support for -traditional semantics.
4168 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4169 get a COMMENT token.
4170 (_cpp_lex_token): Provide COMMENT tokens to caller if
4171 traditional and parsing_define_directive.
4172 (skip_comment): Warn about // comments if -Wtraditional.
4173 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4175 (do_undef): Don't warn about undefining EMPTY nodes.
4177 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4179 * loop.c (strength_reduce): Fix biv removal code.
4181 2000-04-22 Richard Henderson <rth@cygnus.com>
4183 * predict.c (estimate_probability): Examine both sides of
4184 a branch for no exits. Use 90% not 50% for predict taken.
4185 Reorg for one copy of note generation code.
4187 2000-04-22 Richard Henderson <rth@cygnus.com>
4189 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4191 2000-04-22 Richard Henderson <rth@cygnus.com>
4193 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4194 (output_clear): Likewise.
4195 (output_printf): Use va_copy.
4196 (vline_wrapper_message_with_location): Likewise.
4197 (v_message_with_decl): Likewise.
4198 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4199 * system.h (va_copy): Provide default implementation.
4201 2000-04-22 Richard Henderson <rth@cygnus.com>
4203 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4204 the collected condition is not a constant.
4206 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4208 * diagnostic.h: New file.
4210 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4212 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4213 various function prototypes.
4214 (diagnostic.h): #include.
4215 (struct output_buffer): Move into diagnostic.h.
4216 (get_output_prefix): Rename to output_get_prefix. Export.
4217 (init_output_buffer): Export. Break out. Ajust intialization.
4218 (output_space_left, output_append): Export.
4219 (output_newline): Rename to output_add_newline. Export.
4220 (output_clear): Nullify additional output_buffer fields.
4221 (output_puts): Rename to output_add_string. Export.
4222 (dump_output): Rename to output_flush_on. Export.
4223 (build_location_prefix): Constify return-type.
4224 (emit_output_prefix): Rename to output_emit_prefix. Export.
4225 (set_real_maximum_length): New function.
4226 (output_set_maximum_length): Ditto
4227 (output_clear): Ditto.
4228 (output_add_character): Ditto.
4229 (output_add_integer): Ditto.
4230 (output_add_space): Ditto.
4231 (output_format): Ditto.
4232 (output_printf): Adjust buffer initialization.
4233 (vline_wrapper_message_with_location): Ditto.
4234 (v_message_with_decl): Ditto. Adjust call to output_puts
4235 and get_output_prefix.
4236 (default_print_error_function): Adjust buffer intialization.
4238 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4240 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4243 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4245 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4248 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4250 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4251 accurate data about SP moves.
4253 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4255 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4256 aliases to AM33 registers.
4258 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4260 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4261 to all EXTENDED bitmaps.
4263 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4265 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4266 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4267 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4269 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4271 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4272 the operand is not constant.
4274 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4276 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4277 as a call-clobbered regs.
4279 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4281 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4283 * rtl.def: Update comment.
4284 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4285 * integrate.c (expand_inline_function): Likewise.
4286 * profile.c (branch_prob): Likewise.
4287 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4288 * print-rtl.c (print_rtx): Likewise.
4289 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4290 (reemit_notes): Likewise; also use enum insn_note.
4292 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4293 (place_field): Properly compute know and actual alignment.
4295 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4298 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4301 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4303 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4304 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4305 (collect_expansion): Rewrite to scan over a token list.
4306 Remove -traditional support.
4307 (collect_formal_parameters): Rename to collect_params; rewrite
4308 to scan over a token list.
4309 (_cpp_create_definition): Adjust to scan a token list.
4310 (_cpp_macroexpand): Remove -traditional support.
4311 (_cpp_compare_defs): Whitespace is now canonicalized.
4312 (comp_def_part): Delete function.
4314 * cpphash.h: Update prototypes.
4315 * cpplex.c (init_token_list): Don't set lineno if there is no
4317 (pedantic_whitespace): New function.
4318 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4319 consume a newline. Use pedantic_whitespace.
4320 (_cpp_lex_token): Remove support for -traditional macros.
4321 (_cpp_get_define_token): Delete.
4322 (_cpp_get_directive_token): Do the real work here. Use
4323 pedantic_whitespace.
4324 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4326 * cpplib.c (get_macro_name): Delete.
4327 (do_define): Read the entire line into pfile->directbuf, then
4328 feed the token list to _cpp_create_definition.
4329 * cpplib.h (HSPACE_BEFORE): new define.
4330 (struct cpp_reader): Add a toklist member, "directbuf".
4332 * predict.c (estimate_probability): New heuristic: if a jump
4333 branches around a block with no successors, predict it taken.
4334 Disentangle control flow.
4336 2000-04-20 Richard Henderson <rth@cygnus.com>
4338 * loop.c (emit_iv_add_mult): Revert last change.
4340 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4342 * cpplib.h (enum cpp_ttype): Add token types for all
4343 punctuators. Distinguish pp-numbers from valid C numbers.
4344 Give some tokens better names. Initialize from macro.
4345 (struct cpp_name, cpp_token, cpp_toklist): New data
4348 * cpplex.c (bump_column, expand_name_space,
4349 expand_token_space, init_token_list, cpp_output_list,
4350 _cpp_scan_line): New functions.
4351 (output_line_command): Add third argument, new line number.
4352 * cpphash.h: Update prototypes.
4353 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4356 2000-04-20 Richard Henderson <rth@cygnus.com>
4358 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4360 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4362 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4365 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4367 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4368 REG_EQUAL note explaining the calculated value.
4370 * calls.c (expand_call): Avoid unnecesary precalculation
4371 and outgoing parameters space guarding for sibling calls.
4372 (store_one_arg): Likewise.
4374 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4376 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4377 (rest_of_compilation): Write sibling dump file and account
4378 for time as jump time.
4379 * invoke.texi: Update documentation on dump flags.
4381 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4383 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4385 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4387 * cpphash.c (special_symbol): Represent an empty macro with
4388 "\r \r " not just "\r ".
4389 (_cpp_macroexpand): Correct condition for the foo ( ) special
4391 (unsafe_chars): Handle EOF as second argument.
4392 (push_macro_expansion): Simplify test for removing escape at
4393 end. Do not trim both escapes if there is no text in between.
4395 2000-04-19 Jim Blandy <jimb@redhat.com>
4397 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4398 of PTR_SIZE, when appropriate.
4400 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4402 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4403 (USE_ENUM_BITFIELDS): Fix typo.
4405 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4407 * stor-layout.c (place_field): Set rli->offset_align properly.
4409 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4411 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4412 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4413 PARM_BOUNDARY): Remove unnecessary casts.
4415 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4417 * calls.c (precompute_arguments): Remove must_preallocate and
4419 (expand_call): Update call of precompute_arguments.
4421 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4422 check_insn_for_givs): Break out from ...
4423 (strength_reduce) ... here; use for_every_insn_in_loop to call
4424 check_insn_for_givs.
4425 * loop.h (for_every_insn_in_loop): Declare.
4426 (loop_insn_callback): New type.
4428 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4430 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4433 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4435 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4438 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4440 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4442 * configure.in: Delete --disable-cpplib option and all
4443 references to cpp_main.
4444 * configure: Regenerate.
4445 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4446 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4447 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4448 cpp$(exeext). Add --no-headers to makeinfo command line when
4449 generating INSTALL. Install and uninstall cpp.1 manpage, not
4451 * install.texi: Delete all references to cexp.y/cexp.c.
4452 Delete ancient instructions for compiling GCC on 3b1.
4453 * INSTALL: Regenerate.
4455 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4456 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4457 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4459 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4460 which is no longer tested anywhere.
4462 * cppinit.c (handle_option): Don't run error message through
4465 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4467 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4468 * cpperror.c (hashtab.h): Now include.
4469 * cppexp.c (hashtab.h): Likewise.
4470 * cpplex.c (hashtab.h): Likewise.
4471 * cppfiles.c (hashtab.h): Likewise.
4472 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4473 to htab_find_slot_with_hash.
4474 * cpphash.c (hashtab.h): Now include.
4475 (_cpp_lookup_slot): INSERT is now enum insert_option.
4476 * cpphash.h (_cpp_lookup_slot): Likewise.
4477 * cppinit.c (hashtab.h): Include earlier.
4478 (initialize_builtins): Pass enum to htab_find_slot.
4479 * cpplib.c (hashtab.h): Now include.
4480 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4481 (do_pragma_poison, do_assert): Likewise.
4482 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4483 htab_find_slot_with_hash.
4484 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4485 * tree.c (type_hash_add): Likewise.
4486 (build1): Minor cleanup.
4488 * ggc-common.c: Add missing blanks.
4489 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4490 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4492 * stmt.c (mark_case_node): New function.
4493 (mark_case_nesting): Call it.
4495 * expmed.c (emit_store_flag): If comparing two-word integer
4496 with zero, can optimize NE, EQ, GE, and LT.
4498 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4499 * conflict.c: Minor cleanups.
4500 * optabs.c: Add blank line
4501 * simplify-rtx.c: Minor cleanups.
4503 2000-04-18 Stan Cox <scox@cygnus.com>
4505 * gengenrtl.c (genlegend): Fix misspelling.
4507 2000-04-18 Robert Lipe <robertlipe@usa.net>
4509 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4510 bitfields of the host compiler are not signed quantities.
4511 * config.in: Regenerate.
4512 * configure: Regenerate.
4513 * system.h (USE_ENUM_BITFIELDS): Added.
4514 (ENUM_BITFIELDS): Added.
4515 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4516 (SHORT_ENUM_BUG): Deleted.
4517 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4519 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4520 (CODE_FIELD_BUG): Likewise.
4521 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4523 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4525 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4527 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4530 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4532 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4533 * cpplib.c (do_include, do_import, do_include_next,
4534 read_line_number, detect_if_not_defined): Likewise.
4535 * cpphash.c (collect_expansion): Likewise.
4536 (special_symbol, _cpp_macroexpand): Check return from
4538 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4539 macros. Delete all uses.
4541 * gcc.dg/cpp-mi.c: Add two more test cases.
4542 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4544 2000-04-17 Richard Henderson <rth@cygnus.com>
4546 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4547 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4549 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4551 * function.c (expand_function_start): Use hard_function_value to
4552 compute the RTL to use for DECL_RESULT.
4554 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4556 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4557 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4558 x86_memory_mismatch_stall): New global variables.
4559 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4560 alloved; fix load penalties for Athlon.
4561 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4562 x86_memory_mismatch_stall): Declare.
4563 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4564 TARGET_MEMORY_MISMATCH_STALL): New.
4565 * i386.md (athlon scheduling parameters): Fix latencies according to
4566 Athlon Optimization Manual.
4567 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4569 (fsqrt instruction patterns): Set athlon_decode to direct.
4570 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4571 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4572 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4573 and TARGET_PARTIAL_REGISTER_STALL machines.
4574 (pushdf_nointeger): New pattern.
4575 (pushdf_integer): Rename from pushdf.
4576 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4577 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4579 2000-04-17 Richard Henderson <rth@cygnus.com>
4581 * loop.c (canonicalize_condition): Add WANT_REG argument.
4582 Stop the search if we match it.
4583 * expr.h (canonicalize_condition): Update decl.
4584 * predict.c (expected_value_to_br_prob): Use it. Track last
4585 expected value note.
4586 (find_expected_value): Remove.
4588 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4590 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4592 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4593 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4595 * configure.in: Call AC_FUNC_MMAP_FILE.
4596 * configure: Regenerate.
4597 * config.in: Regenerate.
4599 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4600 * fixinc/fixincl.c: Likewise.
4602 2000-04-17 Richard Henderson <rth@cygnus.com>
4604 * builtins.c (expand_builtin_expect): New.
4605 (expand_builtin): Call it.
4606 * builtins.def (BUILT_IN_EXPECT): New.
4607 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4608 * extend.texi: Document it.
4610 * predict.c (expected_value_to_br_prob): New.
4611 (find_expected_value): New.
4612 * basic-block.h (expected_value_to_br_prob): Declare.
4613 * toplev.c (rest_of_compilation): Invoke it.
4615 * rtl.h (NOTE_EXPECTED_VALUE): New.
4616 (NOTE_INSN_EXPECTED_VALUE): New.
4617 * rtl.c (note_insn_name): Update.
4618 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4619 cases; handle NOTE_INSN_EXPECTED_VALUE.
4621 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4623 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4624 leaf sibcall delay slot if flag_pic.
4625 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4627 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4629 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4631 * fixproto: If fix-header fails, exit with an error.
4633 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4635 * cse.c (struct check_depdendence_data): New.
4636 (check_dependence): New function.
4637 (invalidate): Use check_depdenence.
4639 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4641 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4642 UNITS_PER_WORD is unsigned.
4644 * tree.h (struct tree_common): Remove misleading comment.
4646 2000-04-16 Dave Pitts <dpitts@cozx.com>
4648 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4649 message in quotes. Otherwise, IBM's make program treats the '#' as the
4650 start of a comment and ignores the remainder of the line.
4652 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4654 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4655 * cexp.y (initialize_random_junk): Likewise.
4656 * cppfiles.c (find_include_file): Cast alloca return value.
4657 * cppinit.c (initialize_standard_includes): Likewise.
4658 * cpplib.c (cpp_define, cpp_undef): Likewise.
4659 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4660 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4661 * fold-const.c (CHARMASK): New.
4662 (real_hex_to_f): Use it.
4663 * real.c (CHARMASK): New.
4664 (etoasc, asctoeg): Use it.
4665 (asctoeg): EBCDIC lower case characters preceed upper case.
4667 * i370.c (mvs_add_label): Change spacing for coding conventions.
4668 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4669 outputing case vectors.
4670 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4671 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4672 since vector in in the data CSECT.
4673 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4674 * i370.md (Many patterns): Put the length in the XL directives.
4675 (movdi): Put back STM and MVC in definition.
4676 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4677 pattern using the TCA.
4678 * oe.h (CPP_SPEC): Added to allow trigraphs.
4679 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4680 not support the "long long" type.
4682 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4684 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4686 (mips_reg_mode_ok_for_base_p): Likewise.
4687 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4688 (REG_OK_FOR_INDEX_P): Define unconditionally.
4689 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4690 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4691 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4692 that GET_MODE_SIZE is unsigned.
4693 (mips_reg_mode_ok_for_base_p): Define.
4694 (mips_legitimate_address_p): Likewise. Adjust now
4695 that GET_MODE_SIZE is unsigned.
4696 (block_move_loop): Make the number of bytes unsigned.
4697 (expand_block_move): Likewise.
4698 (function_arg): Make the loop counter unsigned to match the
4701 2000-04-16 Richard Henderson <rth@cygnus.com>
4703 * rtl.h (enum insn_note): New enumeration. Subsume
4704 NOTE_INSN_DELETED and friends.
4705 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4706 * rtl.c (note_insn_name): Tweak string order.
4708 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4710 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4713 * cpplex.c (output_line_command): Remove debugging prints.
4714 (cpp_output_tokens): Don't write out a zero-length buffer or
4715 try to see if it has a newline in it.
4716 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4717 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4718 the end of the loop. Use memmove. Don't read past the end of
4719 the buffer. Remove trailing newlines from error messages.
4721 2004-04-16 Neil Booth <NeilB@earthling.net>
4723 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4724 * cpplib.c: Add new syntax flags to directive table, and
4727 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4729 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4732 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4734 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4735 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4737 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4739 * Makefile.in (ggc-page.o): Now includes toplev.h.
4740 * ggc-page.c (toplev.h): Now included.
4741 (gc_time): Remove declaration.
4742 (ggc_collect): TIME now long.
4743 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4745 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4747 * toplev.c: Make *_time variable long to reduce chance of overflow.
4748 (TIMEVAR): Likewise for `otime'.
4749 (print_time): Arg is now long; compute percentage in FP and round.
4750 * toplev.h (print_time): Arg is long.
4752 * tree.c: Minor whitespace changes.
4754 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4755 * configure: Rebuilt.
4756 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4757 (__fixunsxfDI): Renamed from __fixunsxfdi.
4758 (__fixunsdfDI): Renamed from __fixunsdfdi.
4759 (__fixunssfDI): Renamed from __fixunssfdi.
4760 (__floatdisf): Use proper type in REP_BIT macro.
4761 (__fixunsxfSI): Renamed from __fixunsxfsi.
4762 (__fixunsdfSI): Renamed from __fixunsdfsi.
4763 (__fixunssfSI): Renamed from __fixunssfsi.
4764 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4765 Change location of macros and upper-case some names as above.
4766 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4767 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4769 * varasm.c (assemble_variable): Add cast to remove warning.
4770 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4772 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4773 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4774 region number to -1.
4776 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4778 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4779 call unshare_all_rtl.
4781 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4783 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4785 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4786 Use .s1 not .s0 for all FP instructions.
4788 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4790 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4792 (safe_fwrite, output_line_command): New static functions.
4793 (cpp_expand_to_buffer): Now private to cpplib.
4794 (cpp_scan_buffer): Take a printer.
4796 * cpphash.h: Update prototypes.
4797 * cpplib.h: Update prototypes.
4799 (cpp_buffer): Remove last_nominal_fname.
4800 (cpp_reader): Remove lineno.
4802 * cppmain.c: Use a cpp_printer.
4803 * fix-header.c: No need to inhibit line commands. Call
4804 cpp_start_read with no printer.
4806 * cpperror.c (cpp_notice_from_errno): Provide default name.
4807 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4808 (find_include_file, cpp_read_file): Use make_IHASH.
4809 (file_cleanup): Set control_macro and clear
4810 input_stack_listing_current here.
4811 (_cpp_execute_include): Don't output entering-file marker.
4812 * cpphash.c (special_symbol): Look for the line number in the
4813 buffer, not the reader.
4814 (_cpp_macroexpand): No need to disable line commands.
4815 (_cpp_dump_definition): No need to generate line commands.
4816 (dump_hash_helper): Remove excess newline from output.
4817 * cppinit.c (dump_special_to_buffer): No need to generate line
4819 (cpp_printer_init): New.
4820 (cpp_start_read): Take a printer, and start it up if it's not
4821 NULL. No need to generate line commands.
4822 (cpp_finish): Expect no buffers stacked at all. Take a
4823 printer argument, and flush the output buffer if it's not
4825 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4826 Don't put two hashes at the beginning of an assertion.
4827 (cpp_get_token): Don't increment pfile->lineno or emit line
4828 commands here. Return EOF if there's no buffer when we get
4830 * cpplib.c (do_define, skip_if_group):
4831 No need to disable line commands.
4832 (_cpp_output_line_command): Delete function.
4833 (do_line): Don't emit line commands here, but set things up so
4834 they will be emitted if necessary. Use _cpp_fake_ihash to
4835 make unique nominal_fnames if necessary.
4836 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4837 with 0 for column, not -1.
4838 (_cpp_handle_eof): Don't set the control macro here. Don't
4839 clear input_stack_listing_current here. Don't emit line
4842 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4844 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4845 always, use the default SVR4 start address.
4847 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4848 (LINK_SHLIB_SPEC): Define.
4849 (LINK_START_DEFAULT_SPEC): Define.
4850 (LINK_OS_DEFAULT_SPEC): Define.
4852 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4854 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4855 __do_global_ctors to handle constructors.
4856 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4857 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4858 (STARTFILE_MVME_SPEC): Likewise.
4859 (STARTFILE_SIM_SPEC): Likewise.
4860 (ENDFILE_ADS_SPEC): Use crtend.
4861 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4862 (ENDFILE_MVME_SPEC): Likewise.
4863 (ENDFILE_SIM_SPEC): Likewise.
4864 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4865 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4866 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4867 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4868 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4869 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4870 (CRTSTUFF_T_CFLAGS_S): Define.
4871 * config/rs6000/eabi-ctors.c: Delete.
4873 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4876 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4880 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4882 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4883 plus mask size is smaller or equal to the mode size.
4885 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4887 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4890 * expr.c (reload.h): Now included.
4891 (emit_block_move): Set volatile_ok when checking for movstr.
4892 (emit_move_1): Check for replacements in addresses in multi-word case.
4893 * Makefile.in (expr.o): Now includes reload.h.
4895 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4896 Never have a LIBCALL end a basic block.
4897 (find_basic_blocks_1): Likewise.
4898 Reorganize CALL_INSN cases.
4900 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4902 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4904 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4905 completers from mov.ret instruction.
4907 2000-04-14 Richard Henderson <rth@cygnus.com>
4909 * fold-const.c (extract_muldiv): Don't distribute and widen
4910 multiply across plus for non-sizetype unsigned types.
4912 2000-04-14 Richard Henderson <rth@cygnus.com>
4914 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4915 If the original source is dead in the incr insn, it's dead now.
4917 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4919 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4920 see if DECL_BIT_FIELD needs to still be set.
4922 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4924 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4925 print_int_cst_octal with something that's not an INTEGER_CST.
4927 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4928 and not a SUBREG to a FLOAT rtl.
4930 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4932 * emit-rtl.c (try_split): Avoid infinite loop if the split
4933 results in a sequence that contains the original insn.
4935 2000-04-13 Andreas Jaeger <aj@suse.de>
4937 * config/mips/mips.c (expand_block_move): Pass alignment
4938 argument to move_by_pieces in bits, not bytes.
4940 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4941 __pic__ for little endian.
4943 2000-04-13 Andreas Jaeger <aj@suse.de>
4945 * config/i386/i386-protos.h: Add prototype for
4946 uno_comparison_operator.
4948 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4950 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4951 * calls.c (ECF_PURE): New flag.
4952 (emit_call_1): Handle ECF_PURE calls.
4953 (initialize_argument_information): Unset ECF_PURE flag too.
4954 (precompute_arguments): Precompute for ECF_PURE too.
4955 (expand_call): Handle ECF_PURE calls too.
4956 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4957 accept value of 2 as pure function.
4958 (emit_library_call_value, emit_library_call): Rename no_queue argument
4960 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4962 * tree.h (DECL_IS_PURE): New macro.
4963 (struct tree_decl): Add pure_flag.
4964 * c-common.c (enum attrs): Add attribute "pure".
4965 (init_attributes): Initialize attribute "pure"
4966 (decl_attributes): Handle attribute "pure".
4967 * extend.texi (Attribute "pure"): Document.
4968 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4970 (flags_from_decl_or_type): Support attribute "pure".
4972 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4974 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4975 the token except for numbers and identifiers.
4977 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4979 * i386.c (ix86_expand_binary_operator,
4980 ix86_expand_unary_operator): Check no_new_pseudos
4981 instead of reload_in_progress and reload_completed.
4982 (ix86_split_ashldi, ix86_split_ashrdi,
4983 ix86_split_lshrdi): Check no_new_pseudos instead
4984 of reload_completed.
4986 2000-04-12 Jeffrey A Law (law@cygnus.com)
4988 * function.c (purge_addressof): Unshare any shared rtl created by
4989 purge_addressof and its children.
4991 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4993 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4996 2000-04-05 Andreas Jaeger <aj@suse.de>
4998 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4999 not compiling PIC code, add flags for mabi=64.
5000 (SUBTARGET_CPP_SIZE_SPEC): New.
5001 (SUBTARGET_CPP_SPEC): New.
5002 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5003 for MIPS/Linux and lots of code needs these defines.
5005 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5007 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5008 trying the "opposite arithmetic" approach.
5010 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5012 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5013 (struct sh_args): Add new field force_mem.
5014 (INIT_CUMULATIVE_ARGS): Initialize it.
5015 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5017 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5019 * calls.c (expand_call): Do not reverse args in "equal from" field.
5020 (emit_library_call_value_1): Emit_libcall_block for const and pure
5023 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5025 * reload1.c (reload_combine): Don't enable optimization for fixed
5026 registers when encountering a BARRIER.
5028 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5030 * builtins.c (expand_builtin_memcmp): Do expansion even with
5031 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5033 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5034 stack is propertly aligned; add sanity checking for aligned
5036 (expand_library_call_value_1): Add sanity checking for aligned
5039 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5041 * calls.c (emit_library_call_value_1): Change 3rd arg to
5042 locate_and_pad_parm to disregard the setting of partial.
5044 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5046 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5048 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5049 CALL_INSN from the normal case.
5051 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5053 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5054 New global variables.
5055 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5057 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5059 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5060 TARGET_ADD_ESP_8): New macros.
5061 * i386.md: Add peep2s to convert esp adjustments to push and pop
5063 (pushsi_prologue, popsi_epilogue): New patterns.
5065 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5067 * real.c (toe64): Remove stale #endif from the last change.
5069 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5071 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5072 * real.c (toe64): Revert previous change.
5074 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5076 * objc/objc-act.c: Include ggc.h.
5077 (objc_tree_index, objc_global_trees): Convert most of the
5078 static tree variables into a static array with previous names
5080 (objc_ellipsis_node): New variable.
5081 (lang_init): Call objc_act_parse_init and c_parse_init.
5082 Create objc_ellipsis_node.
5083 (build_selector_translation_table): Use objc_ellipsis_node instead
5085 (hack_method_prototype): Likewise.
5086 (get_arg_type_list): Likewise.
5087 (start_method_def): Likewise.
5088 (continue_method_def): Likewise.
5089 (gen_method_decl): Likewise.
5090 (ggc_mark_imp_list): New function.
5091 (ggc_mark_hash_table): New function.
5092 (objc_act_parse_init): New function.
5093 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5094 * c-parse.in (c_parse_init): For objc add roots of objc specific
5095 local tree variables.
5096 * objc/objc-parse.y: Rebuilt.
5097 * objc/objc-parse.c: Rebuilt.
5098 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5100 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5102 * cse.c (delete_trivially_dead_insns): Also delete insns
5103 that copy a register to itself where the destination is
5106 2000-04-11 Richard Henderson <rth@cygnus.com>
5108 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5109 (propagate_block): Initialize them. Use them in parallel instead
5110 of one tmp variable, ie revert much of the 0408 and 0407 functional
5111 changes, but keep the structural changes.
5112 (mark_set_regs): Take new_dead from propagate_block_info instead.
5113 (mark_set_1, mark_set_reg): Likewise.
5114 (mark_used_regs): Likewise with new_live.
5115 (mark_used_reg): Likewise. Revert 0408 change.
5117 2000-04-11 Nick Clifton <nickc@cygnus.com>
5119 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5121 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5123 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5125 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5126 const section to output a CONSTRUCTOR based on the same conditions
5129 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5131 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5132 * pa/pa-protos.h (output_call): Add additional argument indicating
5133 if the call is a sibling/tail call.
5134 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5135 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5136 (function_arg, function_arg_partial_nregs): Likewise
5137 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5138 (emit_move_sequence): Zero extend certain constants as needed
5140 (compute_zdepdi_operands, output_64bit_and): New functions.
5141 (output_64bit_ior, function_arg): Likewise.
5142 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5143 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5144 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5145 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5146 (output_bvb): Likewise.
5147 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5148 (output_call): New argument 'sibcall'. Generate sibcall sequences
5150 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5151 (ouput_arg_descriptor): Do not emit argument descriptors for
5153 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5155 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5156 (FUNCTION_OK_FOR_SIBALL): Define.
5157 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5158 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5159 (CPP_SPEC): Use new spec infrastructure.
5160 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5161 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5162 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5163 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5164 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5165 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5166 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5167 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5168 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5169 (FUNCTION_ARG); Call out to C code.
5170 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5171 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5172 (MIN_UNITS_PER_WORD): Likewise.
5173 * pa/pa.md (cmpdi): New expander.
5174 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5175 (64bit conditional arithmetic): New patterns.
5176 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5177 (movsicc): Not available if modes on all the operands to not match.
5178 (movdicc): New expander and associated patterns.
5179 (64bit branches): New patterns.
5180 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5181 (pre_ldd, post_std): New patterns.
5182 (64bit addil, load low part): New patterns.
5183 (special movsf constant): Not available for TARGET_64BIT.
5184 (movsf, movdf expanders): Force constants into memory.
5185 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5186 (64bit movdf/movdi patterns): New patterns.
5187 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5189 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5190 (adddi3 expander): Allow "arith_operand" for second input.
5191 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5192 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5193 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5194 (muldi3): New expander for TARGET_64BIT.
5195 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5197 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5198 patterns for TARGET_64BIT.
5199 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5200 patterns for TARGET_64BIT.
5201 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5202 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5203 (sibcall_epilogue): New expander.
5204 (casesi): Tweak for TARGET_64BIT.
5205 (call expanders): Set & use the outgoing argument pointer. Use the
5206 64bit call patterns as needed. Add additional arg to output_call.
5207 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5208 (sibcall, sibcall_internal_symref): New expanders.
5209 (sibcall_value, sibcall_value_internal_symref
5210 (interspace_jump): Turn into an expander + matching patterns.
5211 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5212 * pa/pa64-regs.h: Eliminate trigraph sequences.
5213 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5215 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5217 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5218 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5219 cpp_token with cpp_ttype everywhere.
5220 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5221 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5222 CPP_BUF_COL. Line and column numbers are unsigned int, not
5224 * cpplex.c (cpp_buf_line_and_col): Delete.
5225 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5226 'long lineno' to 'unsigned int lineno'.
5227 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5229 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5231 * extend.texi: ISO C99 is not a draft anymore.
5232 * invoke.texi: ISO C++ is not a draft anymore.
5233 * cpp.texi: __cplusplus is required by the ISO standard.
5235 * extend.texi (-fthis-is-variable): Undocument.
5236 * flags.h (warn_template_debugging): Remove declaration.
5237 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5238 -Wenum-clash, -Wtemplate-debugging): Undocument.
5240 2000-04-10 Nick Clifton <nickc@cygnus.com>
5242 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5244 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5246 (ARM_SIGN_EXTEND): Use HOST_UINT.
5247 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5248 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5249 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5250 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5252 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5253 (arm_gen_constant): Use HOST_UINT.
5254 (arm_canonicalize_constant): Use HOST_UINT.
5255 (arm_reload_in_hi): Use HOST_UINT.
5256 (arm_reload_out_hi): Use HOST_UINT.
5257 (output_multi_immediate): Use HOST_UINT.
5258 (int_log2): Use HOST_UINT.
5259 (arm_poke_function_name): Use HOST_UINT.
5260 (arm_output_epilogue): Use arm_volatile_func().
5261 (output_thumb_prologue): Use arm_strip_name_encoding().
5263 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5265 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5266 of sequence point problems.
5268 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5270 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5272 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5274 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5276 * sbitmap.h: Whitespace changes and use upper-case macro args.
5277 (struct simple_bitmap_def): All sizes now unsigned.
5278 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5279 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5280 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5281 (sbitmap_zero): Cast bzero arg to PTR.
5282 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5283 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5284 loop to make structure clearer.
5285 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5286 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5287 (sbitmap_a_and_b_or_c): Likewise.
5288 (sbitmap_intersection_of_succs): Minor cleanups.
5289 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5290 (sbitmap_union_of_preds): Likewise.
5291 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5292 (debug_sbitmap): New function.
5294 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5295 * c-typeck.c (convert_for_assignment): Likewise.
5297 * expmed.c (init_expmed): Don't free objects we make.
5298 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5300 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5301 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5303 * gcse.c (expr_hash_table_size): Now unsigned.
5304 (compute_ae_gen): Local variable `i' now unsigned.
5305 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5306 (compute_transout, hoist_code): Likewise.
5307 (compute_local_properties): Likewise, also hash_table_size.
5308 (alloc_expr_hash_table): N_INSNS now unsigned.
5309 (delete_null_pointer_checks): Mark arg F as unused.
5311 * regrename.c: Minor cleanups, including chang some variables
5314 2000-04-10 Neil Booth <NeilB@earthling.net>
5316 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5318 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5320 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5322 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5323 __classof__, and __headof__ from the list of gnu keywords.
5324 (-ansi): Remove -foperator-names from list of implied options.
5325 Do not call it ANSI C++.
5326 (-foperator-names): Document as -fno-operator-names.
5328 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5330 * cpphash.c (timestamp): Delete.
5331 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5332 (special_symbol): Remove unnecessary braces. Remove
5333 T_VERSION. Treat T_STDC like T_CONST unless
5334 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5335 when one is encountered, then convert them into T_MCONST
5337 * cppinit.c (builtin_array): version_string is T_MCONST.
5338 __STDC__ has a "1" in its cpval. Don't have a terminator
5339 entry. Clean up which entries are dumped.
5340 (initialize_builtins): Only __STDC__ gets the special
5341 -traditional treatment. Count the length of builtin_array.
5342 Render version_string here.
5343 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5344 * cpplib.h (struct cpp_reader): Remove timebuf.
5346 2000-04-09 Richard Henderson <rth@cygnus.com>
5348 * genrecog.c (pred): Update comparison_operator for the unordered
5351 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5353 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5354 (uno_comparison_operator): New.
5355 (put_condition_code): Handle UNORDERED/ORDERED.
5356 (unsigned_comparison): Likewise.
5357 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5358 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5359 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5360 update all callers. Handle all 8 unordered operators.
5361 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5362 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5363 * config/i386/i386.h (PREDICATE_CODES): Update.
5364 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5365 (ix86_expand_branch, ix86_expand_setcc): Update.
5366 * config/i386/i386.md (sunordered, sordered): New.
5367 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5368 (bunordered, bordered): New.
5369 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5370 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5371 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5373 2000-04-09 Philip Blundell <philb@gnu.org>
5375 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5377 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5379 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5380 fix_truncxfhi2): New patterns.
5381 * i386.c (output_fix_trunc): Handle converting to HImode.
5383 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5385 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5387 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5388 (for_each_successor_phi): Change parameter to basic_block.
5389 (coalesce_regs_in_successor_phi_nodes): Likewise.
5390 (coalesce_regs_in_copies): Likewise.
5391 (compute_coalesced_reg_partition): Use basic_block instead of index.
5392 * rtl.h (convert_to_ssa): Delete.
5393 (convert_from_ssa): Likewise.
5394 (successor_phi_fn): Likewise.
5395 (for_each_successor_phi): Likewise.
5396 (in_ssa_form): Likewise.
5397 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5398 (convert_from_ssa): Likewise.
5399 (successor_phi_fn): Likewise.
5400 (in_ssa_form): Likewise.
5401 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5402 * flow.c (calculate_global_regs_live): Pass a basic_block to
5403 for_each_successor_phi.
5405 2000-04-08 Richard Henderson <rth@cygnus.com>
5407 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5408 was modified in the current insn.
5410 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5412 * arm/thumb.md: Delete.
5413 * arm/thumb-protos.h: Delete.
5415 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5417 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5419 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5421 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5424 * arm.md (nop): Use the standard RTL expression. Don't code as a
5426 (*arm_nop, *thumb_nop): Delete.
5428 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5429 constants. Use casts instead.
5430 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5431 output_multi_immediate, arm_poke_function_name): Likewise.
5432 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5433 MASK_RETURN_ADDDR): Likewise.
5435 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5437 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5440 * arm.md (eh_epilogue): New function.
5441 * arm.h (struct machine_function): Move to here ...
5442 * arm.c: ... from here.
5443 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5444 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5445 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5447 2000-03-30 Nick Clifton <nickc@cygnus.com>
5449 * config/arm/semi.h (ASM_SPEC): Restore definition.
5450 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5452 * config/arm/elf.h (ASM_SPEC): Restore definition.
5453 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5455 * config/arm/arm.h (ASM_SPEC): Remove definition.
5456 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5458 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5460 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5462 2000-03-24 Nick Clifton <nickc@cygnus.com>
5464 Various formating tidyups, elimination of compile time
5465 warnings and synchronisation with internal sources:
5467 * config/arm/arm-protos.h (assemble_align): Add prototype.
5468 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5469 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5470 (arm_return_addr_rtx): Rename to arm_return_addr.
5472 * config/arm/arm.c: Include except.h.
5473 Define shorter typenames for strict minipool_node and struct
5475 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5477 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5478 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5480 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5482 (ASM_SPEC): Define if not already defined.
5483 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5485 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5486 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5487 arm_gen_compare_reg.
5488 (indirect_jump): Only accept register operands.
5489 (load_indirect_jump): Keep this pattern since combine can generate
5492 * config/arm/coff.h: Include aout.h.
5493 (MULTILIB_DEFAULTS): Only define if not already defined.
5495 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5496 into arm.h (so that COFF ports can support thumb based aliases).
5497 (ASM_SPEC): Move definition into arm.h
5499 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5500 redundant apcs spec.
5501 (ASM_SPEC): Move definition to arm.h
5503 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5505 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5506 for entries in the .bss section
5508 2000-03-23 Nick Clifton <nickc@cygnus.com>
5510 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5511 to thumb_far_jump_used_p.
5513 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5514 single integer parameter.
5516 * config/arm/arm.c (struct machine_function): Add two new
5517 fields, 'far_jump_used' and 'arg_pointer_live'.
5518 (thumb_far_jump_used_p): Once the decision has been made that
5519 far jumps might be used, always return true.
5520 If being called from the initial elimination offset macro then
5521 do not bother to perform the test if the arg pointer is not
5523 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5524 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5526 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5528 * arm.c (output_return_instruction): Handle more cases where we can
5529 return from a function with an ldr instruction.
5530 (arm_output_epilogue): Likewise.
5532 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5533 if we need to push a large stack frame and there are no callee-saved
5536 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5537 in ARM code if the frame pointer has been eliminated.
5539 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5540 unspec_volatile arguments to avoid duplicates.
5541 (consttable_1, consttable_2): Fixes for big-endian mode.
5543 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5546 Re-write constant pool code.
5547 * arm.c (minipool_node, minipool_fix): New types.
5548 (minifix): Delete type.
5549 (arm_add_minipool_constant): Delete.
5550 (arm_compute_minipool_offsets, arm_find_barrier,
5551 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5552 (get_jump_table_size): Now returns HOST_WIDE_INT.
5553 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5555 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5556 (assign_minipool_offsets, arm_print_value): Likewise.
5557 (dump_minipool): Rewrite.
5558 (arm_barrier_cost): New function.
5559 (create_fix_barrier): New function.
5560 (push_minipool_barrier): New function.
5561 (push_minipool_fix): Record additional information about the fixup
5563 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5564 check the mode of what needs fixing.
5565 (arm_reorg): Rewrite.
5567 2000-03-08 Nick Clifton <nickc@cygnus.com>
5569 * config/arm/arm.md (indirect_jump): Force constant addresses into
5572 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5574 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5576 2000-02-24 Nick Clifton <nickc@cygnus.com>
5578 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5579 adjust is word aligned.
5580 (thumb_expand_epilogue): Make sure that stack adjust is word
5583 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5585 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5587 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5588 pointer relative addresses.
5590 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5592 * arm.c (find_barrier): Find the last barrier within the allowed
5595 2000-02-09 Nick Clifton <nickc@cygnus.com>
5597 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5599 2000-02-09 Nick Clifton <nickc@cygnus.com>
5601 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5602 ARM_FUNCTION_PROFILER.
5604 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5605 ARM_FUNCTION_PROFILER.
5607 * config/arm/linux-oldld.h: Imported from mainline sources.
5609 2000-02-07 Nick Clifton <nickc@cygnus.com>
5611 * config/arm/lib1funcs.asm: Merge in thumb functions from
5614 * config/arm/lib1thumb.asm: Delete.
5616 2000-02-04 Nick Clifton <nickc@cygnus.com>
5618 * config/arm/arm.c: Sychronised with current Red hat local
5620 * config/arm/arm.h: Ditto.
5621 * config/arm/arm-protos.h: Ditto.
5623 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5625 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5627 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5630 2000-02-02 Nick Clifton <nickc@cygnus.com>
5632 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5634 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5635 (return) was emited using an emit_insn() call.
5637 2000-01-31 Nick Clifton <nickc@cygnus.com>
5639 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5641 (thumb_exit): Move frame pointer back into hard frame pointer
5642 register if backtracing is being used.
5644 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5646 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5649 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5651 * config/arm/arm.md (neg_pool_offset): Provide default for new
5653 (arm_movsi_insn): Add neg_pool_offset attribute.
5654 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5655 rtx for the insn that starts the scan and an unsigned long for its
5656 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5657 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5658 instructions in *PINSERTED.
5659 (struct minipool_fixup): Add MIN_ADDRESS elt.
5660 (sort_fixups): Compute it.
5661 (arm_reorg): Changes to support inserting pools before the insn to be
5664 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5666 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5667 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5668 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5670 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5672 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5674 (TARGET_DEFAULT): Do not define if already defined.
5676 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5678 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5679 (iordi3): Allow disjoint source operands.
5680 (xordi3): Allow disjoint source operands.
5681 (negdi2): Permit construction for ARM and Thumb.
5682 (arm_negdi2): Renamed version of old negdi2 pattern.
5683 (thumb_negdi2): New pattern: Only permit non-overlapping
5684 source and destination.
5686 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5688 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5689 scratch low register so that it will not be deleted.
5691 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5693 * config/arm/pe.h (ARM_PE): Define.
5695 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5696 interfacearm attribute if this is a PE toolchain.
5697 (output_return_instruction): Do not emit anything if the function
5698 has the naked attribute set.
5699 (is_called_in_ARM_mode): If the function has the interfacearm
5700 attribute then return true.
5701 (thumb_expand_prologue): Do not generate a prologue for naked
5703 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5705 (output_thumb_prologue): Do not bother if the function is naked.
5706 Strip PE encoding from function name before emitting.
5708 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5710 * arm.md (pic_load_addr): Fix constraints.
5712 * arm.md (casesi_insn): Fix mis-applied patch.
5714 * arm.md ("core" function unit): Add rules for single- and
5716 (All TARGET_THUMB patterns): Add "type" attribute information
5718 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5719 the following insn is a CALL.
5721 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5723 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5724 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5725 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5727 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5729 * config/arm/linux-gas.h: oops - this file was missed out when the
5730 branch was created...
5732 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5734 * thumb.c: Deleted. Move contents to ...
5736 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5738 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5741 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5742 declare a prototype for asm_output_align();
5744 * arm.c (thumb_condition_code): Delete.
5745 (arm_print_operand): Always use arm_condition_code array.
5747 * arm.c (thumb_return_addr_rtx): Delete.
5748 (arm_save_machine_status, arm_restore_machine_status): Delete.
5749 (arm_init_machine_status, arm_mark_machine_status): New functions.
5750 (arm_init_expanders): Update accordingly.
5751 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5752 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5753 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5755 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5757 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5759 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5762 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5764 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5765 stack backtrace structure.
5767 * config/arm/arm-protos.h: Add prototypes for functions defined in
5770 * config/arm/arm.c (arm_override_options): Fix selection of
5771 attributes of default processor.
5773 * config/arm/coff.h: Delete needless #include.
5775 * config/arm/pe.c: Delete unused code.
5777 * config/arm/pe.h (CPP_DEFINES): Delete
5778 (SUBTARGET_CPP_SPEC): Define.
5779 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5781 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5783 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5785 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5787 (CAN_DEBUG_WITHOUT_FP): Define.
5788 (FIXED_REGISTERS): Make r11 call-saved.
5789 (CALL_USED_REGISTERS): Likewise.
5790 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5791 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5792 frame-pointer is required.
5793 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5794 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5795 if the target normally needs a stack frame in non-leaf functions.
5796 (use_return_insn): Correct logic for determining when a return
5797 instruction can be used.
5798 (output_return_instruction): Handle the frame-pointer register as
5799 a normal register when not TARGET_APCS_FRAME.
5800 (arm_output_prologue): Likewise.
5801 (arm_output_epilogue): Likewise.
5802 (output_func_epilogue): Likewise.
5803 (arm_expand_prologue): Likewise.
5804 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5806 * arm.c (use_return_insn): No need to check floating point regs if
5808 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5809 the code of value stored in the minipool array.
5810 (arm_add_minipool_constant): Likewise.
5812 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5814 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5816 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5818 * tree.c (tree_expr_nonnegative_p): New function.
5820 * tree.h (tree_expr_nonnegative_p): Declare.
5822 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5823 elide some sign_compare warnings.
5824 (build_conditional_expr): Likewise.
5826 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5828 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5830 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5831 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5832 operand. Abort if a 387 operand has an unsupported size.
5834 2000-04-08 Neil Booth <NeilB@earthling.net>
5836 * cppexp.c (parse_charconst): Null does not end character
5838 * cppinit.c (ISTABLE): Null character handled as whitespace.
5839 * cpplex.c (null_warning): new function.
5840 (skip_string): Emit warning if nulls encountered.
5841 (_cpp_skip_hspace): Emit warning if nulls encountered.
5842 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5846 2000-04-07 Richard Henderson <rth@cygnus.com>
5848 * flow.c (loop_depth): Remove.
5849 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5850 (struct propagate_block_info): New.
5851 (life_analysis): Don't allocate reg_next_use.
5852 (propagate_block_delete_insn): Break out of propagate_block.
5853 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5854 (propagate_block_delete_libcall): Likewise.
5855 (propagate_block): Create a propagate_block_info struct to pass
5856 to subroutines. Allocate one not two temporary regsets. Don't
5857 clobber memory for const calls. Look for clobbers in
5858 CALL_INSN_FUNCTION_USAGE.
5859 (mark_set_regs): Recognize COND_EXEC.
5860 (mark_set_reg): Break out of mark_set_1.
5861 (mark_used_reg): Break out of mark_used_regs.
5862 (mark_used_regs): Recognize COND_EXEC.
5863 (insn_dead_p): Use propagate_block_info struct.
5864 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5865 (find_auto_inc, try_pre_increment_1): Likewise.
5866 (print_rtl_with_bb): Dump regs live at end too.
5867 (count_reg_sets_1): Pass in loop_depth.
5868 (count_reg_sets, count_reg_references): Likewise.
5869 (recompute_reg_usage): Provide it.
5871 2000-04-07 Richard Henderson <rth@cygnus.com>
5873 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5876 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5878 * cpplib.c (do_elif): Skip the rest of the line if we're
5879 not going to bother evaluating it.
5880 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5881 to avoid pointless calls to the lexer.
5883 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5885 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5887 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5889 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5891 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5893 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5895 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5897 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5898 crtend so they can be multilibbed.
5899 (STAGESTUFF): Remove s-crt and s-crtS.
5901 2000-04-07 Richard Henderson <rth@cygnus.com>
5903 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5904 if we discover we need a pseudo and no_new_pseudos is true.
5905 * config/alpha/alpha.md (ne:DI insn): New.
5906 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5908 2000-04-07 Richard Henderson <rth@cygnus.com>
5910 * rtl.def (COND_EXEC): New.
5911 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5912 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5914 * genconfig.c (have_cond_arith_flag): Remove.
5915 (have_cond_exec_flag): New.
5916 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5917 (main): Print HAVE_conditional_execution.
5919 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5920 (sched_analyze_insn, print_pattern): Likewise.
5921 * reload.c (find_equiv_reg): Likewise.
5922 * rtlanal.c (reg_referenced_p): Likewise.
5923 (note_stores, dead_or_set_regno_p): Likewise.
5924 (reg_overlap_mentioned_p): Rewrite to use a switch.
5926 * ggc.h (struct rtx_def): Forward declare.
5928 * print-rtl.c (debug_rtx_range): New.
5929 * rtl.h (debug_rtx_range): Declare.
5931 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5933 * gcse.c (gcse_main): Don't rebuild the CFG here.
5934 (delete_null_pointer_checks): Likewise.
5935 * ssa.c (convert_to_ssa): Likewise.
5936 * toplev.c (rest_of_compilation): Do it here instead. Combine
5937 sequential calls to TIMEVAR. Consistently use `insns' instead of
5938 `get_insns()'. Always split insns after reload when optimizing.
5940 * basic-block.h (merge_blocks_nomove): Declare.
5941 (tidy_fallthru_edge): Declare.
5942 * flow.c (merge_blocks_nomove): Document as merging into previous
5943 blocks. Remove cruft from between blocks; remove all edges out of A.
5944 (tidy_fallthru_edge): Export.
5946 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5948 * ssa.c (compute_conservative_reg_partition): Declare with
5950 * toplev.c (clean_dump_file): Remove previously-deleted function
5951 inadvertantly merged back in.
5952 * conflict.c (conflict_graph_add): Use a single call to
5953 htab_find_slot to look up and insert.
5955 2000-04-06 Richard Henderson <rth@cygnus.com>
5957 * genrecog.c (*): Rename _last_insn to last_insn.
5958 (make_insn_sequence): Set the position of the peephole2 C test
5959 to be at the last insn.
5961 2000-04-06 Richard Henderson <rth@cygnus.com>
5963 * flow.c (compute_flow_dominators): Free worklist.
5965 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5967 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5969 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5971 * rtl.h (INSN_P): New macro.
5972 (successor_phi_fn): New typedef.
5973 (for_each_successor_phi): New prototype.
5974 (in_ssa_form): New variable.
5975 (PHI_NODE_P): Likewise.
5976 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5977 phi nodes in successors.
5978 (mark_used_regs): Add PHI case.
5979 (set_phi_alternative_reg): New function.
5980 (life_analysis): Assert that dead code elimination is not selected
5982 * toplev.c (to_ssa_time): New variable.
5983 (from_ssa_time): Likewise.
5984 (compile_file): Zero to_ssa_time and from_ssa_time.
5985 Print time to convert to and from SSA.
5986 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5987 (print_time): Compute percent fraction as integer.
5988 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5989 (convert_to_ssa): Check if we're already in SSA.
5990 Don't eliminate dead code in life_analysis.
5991 Rerun flow and life analysis at bottom.
5992 (eliminate_phi): Use canonical regnos when adding nodes.
5993 (mark_reg_in_phi): New function.
5994 (mark_phi_and_copy_regs): Likewise.
5995 (convert_from_ssa): Rerun life analysis at top.
5996 Use coalesced partition.
5997 Check for removing a phi node at the end of the block.
5998 (compute_coalesced_reg_partition): New function.
5999 (coalesce_regs_in_copies): Likewise.
6000 (coalesce_reg_in_phi): Likewise.
6001 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6002 (for_each_successor_phi): Likewise.
6003 (rename_context): New struct.
6004 (rename_block): Use a rename_context with rename_insn_1. When
6005 renaming sets of a subreg, emit a copy of the entire reg first.
6006 (rename_insn_1): Treat data as a rename_context *. Save current
6008 (rename_set_data): Add field set_insn.
6009 * Makefile.in (HASHTAB_H): Move up in file.
6010 (OBSTACK_H): New macro.
6011 (collect2.o): Use OBSTACK_H in dependencies.
6012 (sdbout.o): Likewise.
6013 (emit-rtl.o): Likewise.
6014 (simplify-rtx.o): Likewise.
6015 (fix-header.o): Likewise.
6016 (OBJS): Add conflict.o.
6017 (conflict.o): New rule.
6018 * basic-block.h: Include partition.h.
6019 (conflict_graph): New typedef.
6020 (conflict_graph_enum_fn): Likewise.
6021 (conflict_graph_new): New prototype.
6022 (conflict_graph_delete): Likewise.
6023 (conflict_graph_add): Likewise.
6024 (conflict_graph_conflict_p): Likewise.
6025 (conflict_graph_enum): Likewise.
6026 (conflict_graph_merge_regs): Likewise.
6027 (conflict_graph_print): Likewise.
6028 (conflict_graph_compute): Likewise.
6029 * conflict.c: New file.
6031 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6033 * tlink.c (read_repo_files): Don't look for .rpo info for
6036 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6038 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6040 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6042 * config/sh/lib1funcs.asm (___udivsi3_i4):
6043 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6044 only depends on FMOVD_WORKS.
6046 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6048 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6049 make double constant 8-byte aligned.
6051 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6053 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6054 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6055 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6056 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6057 Accept storing GENERAL_REGS into offsetable memory.
6058 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6059 building a TFmode constant other than 0.0L into GENERAL_REGS.
6061 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6063 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6065 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6067 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6068 (macro_cleanup): No need to cast pbuf->macro.
6069 (collect_expansion): Use _cpp_get_define_token. Goto done if
6070 it returns VSPACE. Remove check for trailing space after
6072 (_cpp_create_definition): Don't diddle flags here. Return
6074 (unsafe_chars): Handle c1 being EOF.
6075 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6076 checks. Don't push the buffer till after we're done with
6078 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6079 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6080 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6082 (_cpp_parse_assertion): Don't NUL terminate.
6083 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6084 hspace before calling _cpp_parse_assertion. Remove all sets
6085 of only_seen_white. Treat '\f' as hspace. Don't do anything
6086 special with '\n' here.
6087 (maybe_macroexpand): Handle T_EMPTY hash entries without
6088 pushing a buffer at all.
6089 (cpp_get_token): Handle clearing only_seen_white here. Handle
6090 incrementing the line number here. Clear
6091 potential_control_macro as well as only_seen_white, if
6093 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6094 (_cpp_get_define_token): New function, basically like
6095 _cpp_get_directive_token was but doesn't eat horizontal space.
6096 Don't do anything with only_seen_white here.
6097 (_cpp_get_directive_token): Just call _cpp_get_define_token
6098 repeatedly till it returns non-hspace.
6100 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6101 (conditional_skip, skip_if_group): Return int.
6102 (DIRECTIVE_TABLE): Change origin of all conditional directives
6104 (TRAD_DIRECT_P): New macro.
6105 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6106 an error for a bogus directive, unless -lang-asm. Use
6107 TRAD_DIRECT_P. Loop calling handler functions till one returns
6109 (get_macro_name): Don't diddle flags here.
6110 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6111 Create T_EMPTY nodes for #define macro /* nothing */.
6112 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6113 Use hp->name when calling pass_thru_directive.
6114 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6115 Return the result of conditional_skip and/or skip_if_group.
6116 Don't call _cpp_output_line_command.
6117 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6118 Issue -Wtraditional warnings as appropriate. Don't complain
6119 about unrecognized directives. If we are to stop skipping,
6120 return the number of the directive that ended the skip.
6121 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6122 expansion and line commands while skipping. Return the result
6123 of consider_directive_while_skipping, if nonzero.
6124 (do_endif): Just set potential_control_macro here.
6125 (validate_else): Use _cpp_get_directive_token.
6126 (do_assert, do_unassert): Don't save pointers into the
6127 token_buffer across calls to the lexer. Use
6128 _cpp_get_directive_token.
6130 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6131 pointer, not an offset. Replace 'data', which was a generic
6132 pointer, with 'macro', which points to a struct hashnode.
6133 (cpp_reader): Add 'potential_control_macro' pointer.
6134 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6135 (CPP_BUF_GET, CPP_FORWARD): Delete.
6136 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6137 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6138 ACTIVE_MARK_P): Update.
6139 (_cpp_get_define_token): New internal function.
6140 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6142 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6144 * configure.in: And here.
6145 * configure: Regenerate.
6146 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6147 --enable-libstdcxx-v3 is passed at configure time.
6148 * config.h.in: Regenerate.
6150 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6152 * final.c (final): Use xcalloc to allocate line_note_exists.
6153 * function.c (free_after_compilation): Free the temp_slots.
6154 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6155 (combine_temp_slot): Free temp_slots when they get combined.
6156 (purge_addressof): Fix typo in comment.
6157 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6158 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6160 * ggc.h: Include varray.h.
6161 (ggc_pending_trees): Declare.
6162 (ggc_mark_tree_children): Remove declaration.
6163 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6164 * ggc-common.c (ggc_pending_trees): New variable.
6165 (ggc_mark_roots): Call ggc_mark_trees.
6166 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6167 the ggc_pending_trees.
6168 * Makefile.in (GGC_H): New variable. Use it throughout in place
6171 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6173 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6176 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6178 * sh.c (sh_insn_length_adjustment): New function.
6179 * sh-protos.h (sh_insn_length_adjustment): Declare.
6180 * sh.h (ADJUST_INSN_LENGTH): Use it.
6182 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6184 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6185 from the insn where REG_RETVAL is added.
6186 (emit_no_conflict_block): Ditto.
6188 * md.texi (Standard Names): Clarify when movX is needed.
6190 * combine.c (simplify_comparison) [MINUS]: Do not replace
6191 all (op (minus A B) 0) with (op A B).
6193 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6194 J"orn Rennecke <amylaar@cygnus.co.uk>
6196 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6197 (block_lump_real): Likewise.
6199 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6201 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6202 remaining non-zero debugging masks.
6204 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6206 * basic-block.h (verify_flow_info): Declare.
6207 (flow_loop_outside_edge_p): Declare.
6208 * flow.c (verify_flow_info): Remove declaration.
6209 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6211 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6213 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6216 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6218 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6219 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6220 seqdi_zero_trunc+1): Allow splits only if registers are
6223 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6225 * acconfig.h: Add HAVE_GAS_HIDDEN.
6226 * config.in: Regenerated.
6227 * configure.in: Add test for .hidden pseudo-op in gas.
6228 * configure: Regenerated.
6229 * crtstuff.c: Include auto-host.h.
6230 Emit additional .hidden pseudo-op for __dso_handle if the
6231 assembler knows about it.
6233 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6235 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6236 before freeing argnames.
6237 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6239 2000-04-05 Michael Meissner <meissner@redhat.com>
6241 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6242 Walton <jonboy@gordian.com> to make memory references with update
6243 work wtih -mregnames.
6245 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6247 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6248 (regrename_optimize): Rename variables `def_uses' and
6249 `ext_basic_blocks' to avoid conflicts with similarly named
6250 typedefs in traditional C.
6252 * calls.c (initialize_argument_information): Fix typo in previous
6255 2000-04-04 Richard Henderson <rth@cygnus.com>
6257 * regrename.c (consider_available): Test fixed_regs not
6258 PIC_OFFSET_TABLE_REGNUM.
6260 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6262 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6264 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6265 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6266 (ENDFILE_LINUX_SPEC): Always use crtend.
6267 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6268 (powerpc-*-linux-gnu): Likewise.
6269 * configure: Regenerate.
6271 * config/rs6000/eabi.h: Don't include sysv4.h.
6272 (MULTILIB_DEFAULTS): Don't define.
6273 * config/rs6000/eabiaix.h: Don't include eabi.h.
6274 * config/rs6000/eabile.h: Delete.
6275 * config/rs6000/eabilesim.h: Delete.
6276 * config/rs6000/eabisim.h: Don't include eabi.h.
6277 * config/rs6000/linux.h: Don't include sysv4.h.
6278 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6279 (MULTILIB_DEFAULTS): Don't redefine.
6280 * config/rs6000/rtems.h: Don't include eabi.h.
6281 * config/rs6000/sol2.h: Don't include sysv4le.h.
6282 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6283 * config/rs6000/t-ppc: Delete.
6284 * config/rs6000/t-ppcgas: Correct comment.
6285 * config/rs6000/t-ppcos: Correct comment. Don't build
6286 multilibs for -fPIC, rather use -fPIC -mstrict-align
6288 * config/rs6000/t-ppc: Delete.
6289 * config/rs6000/vxppc.h: Don't include sysv4.h.
6290 * config/rs6000/vxppcle.h: Delete.
6291 * configure.in: Use multiple header files for p2pc ELF targets
6292 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6293 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6294 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6295 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6296 always available for these platforms.
6298 2000-04-04 Richard Henderson <rth@cygnus.com>
6300 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6302 2000-04-04 Stan Cox <scox@cygnus.com>
6304 * Makefile.in: Add rules for regrename.o
6305 * regrename.c: New file.
6306 * rtl.h (regrename_optimize): Add prototype.
6307 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6308 (compile_file, decode_d_option): Add support for -frename-registers.
6309 (rest_of_compilation): Call regrename_optimize.
6310 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6313 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6315 * Makefile (gccbug): New target.
6316 (doc): Depend on it.
6317 * gcc.texi (Bugs): Link subnodes.
6319 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6320 Document severities, priorities, and classes in bug form.
6322 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6324 * cpplex.c (trigraph_map, speccase): Combine into single
6326 (NORMAL, NONTRI): New macros.
6327 (_cpp_read_and_prescan): Change to use unified table. Use
6328 is_hspace to test for whitespace.
6330 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6331 definition that doesn't provoke the "empty body in an
6332 if-statement" warning.
6334 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6336 * builtins.c (expand_builtin_strlen): Force the source to
6337 be a memory address.
6339 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6341 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6343 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6345 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6346 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6347 (ECF_IS_CONST): Rename to ECF_CONST.
6348 (special_function_p): Make static, change interface.
6349 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6350 (expand_call) ... here; convert number of variables to flags.
6351 (emit_library_call_vlue_1): Likewise.
6352 (setjmp_call_p): New function.
6353 (initialize_argument_information): Accepts flags as argument;
6355 (precompute_arguments): Likewise.
6356 * tree.h (special_function_p): Remove.
6357 (setjmp_call_p): Add prototype.
6359 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6361 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6362 so that addresses are offsetable by up to 16 bytes.
6363 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6364 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6367 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6368 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6369 (movsf): Don't force any constant to memory if target is integer
6371 Move fp_zero_operand check below the const0_rtx check.
6372 (movtf): Likewise. Also allow fp_zero_operand for stores into
6374 (movdf): Likewise. Also allow fp_zero_operand for stores into
6375 memory and into integer hard registers.
6376 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6377 movdf_const_intreg_sp64): Remove.
6378 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6380 (movdf_no_e_insn_v9_sp32): New pattern.
6381 (movdf_insn_v9only): Remove.
6382 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6383 (movdf_insn_sp64): Remove.
6384 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6385 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6386 (following splits): Rewrite conditions. Add two new splits
6387 for storing 0.0 into memory and registers.
6388 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6389 (movtf_insn_sp32): Redo constraints and conditions.
6390 (movtf_insn_vis_sp32): New pattern.
6391 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6392 (movtf_insn_hq_sp64): Likewise.
6393 (movtf_insn_hq_vis_sp64): New pattern.
6394 (movtf_insn_sp64): Redo constraints and conditions.
6395 (movtf_insn_vis_sp64): New pattern.
6396 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6397 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6399 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6400 -mvis or -m64 to take down the number of various reload patterns.
6402 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6404 * pa/pa-64.h: New file.
6405 * pa/pa64-regs.h: New file.
6406 * pa/pa64-start.h: New file.
6407 * pa/t-pa64: New file.
6408 * pa/xm-pa64hpux.h: New file.
6410 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6412 * sparc.c (output_restore_regs): Prototype.
6413 (sparc_emit_float_lib_cmp): Constification.
6415 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6417 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6420 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6421 (get_value_hash, hash_rtx): Likewise.
6423 * ssa.c (compute_conservative_reg_partition): Prototype.
6425 * tree.c (mark_hash_entry): Prototype.
6427 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6429 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6430 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6431 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6433 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6434 * objc/lang-specs.h: Likewise.
6436 2000-04-03 Neil Booth <NeilB@earthling.net>
6438 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6439 and SYNTAX_ERROR2. Replace `' in messages with ''.
6440 (op_to_str): Make re-entrant.
6441 (_cpp_parse_expr): Implement new error macros. Use | rather
6442 than || to logically or 2 boolean integers. Simply expression
6443 checking we have a left operand iff needed.
6445 2000-04-03 Nick Clifton <nickc@cygnus.com>
6447 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6449 2000-04-03 Philip Blundell <philb@gnu.org>
6451 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6453 2000-04-03 Felix Lee <flee@cygnus.com>
6455 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6456 (run_shell): Use it.
6458 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6460 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6461 (stmp-fixproto): ...rather than here.
6463 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6465 * pa.c (print_operand): Compute 'base' only inside the code paths
6468 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6470 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6473 2000-04-03 Philipp Thomas <pthomas@suse.de>
6475 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6477 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6479 * Makefile.in (alias.o): Depend on $(TREE_H).
6481 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6483 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6485 * cpplib.c (_cpp_handle_directive): Improve warnings for
6486 traditional C and indented directives.
6488 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6489 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6490 fixinc/inclhack.def: Indent the # of #include_next one space.
6491 * cp/rtti.c: Un-indent #if and #endif.
6493 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6494 syntax error, but an error has already been printed.
6495 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6496 message when called with nothing remaining on the line.
6497 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6498 OTHER token, not an ASSERTION.
6499 * cpplib.c (do_assert): When we create a 'base' node, clear
6500 its aschain pointer.
6502 2000-04-02 Neil Booth <NeilB@earthling.net>
6504 * cppexp.c: New typedef op_t. struct operation and struct
6505 token updated to use it.
6506 (op_to_str): New function.
6507 (_cpp_parse_expr): Error messages modified to use op_to_str.
6509 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6511 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6512 before checking MUST_PASS_IN_STACK.
6514 2000-04-02 Neil Booth <NeilB@earthling.net>
6516 * cppexp.c: New FINISHED dummy token. Combine operator initial
6517 flags and initial priority into a single constant. New
6518 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6519 (_parse_cpp_expr): Implement new constants. Take left operand
6520 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6521 parse indicated by reducing FINISHED token. Remove new lines
6522 from cpp_error messages.
6524 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6526 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6529 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6531 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6532 directive. Add origin values to DIRECTIVE_TABLE. Generate
6533 the strings and function names on the fly. Take the #sccs
6534 entry out of the table if SCCS_DIRECTIVE is not defined.
6535 (_cpp_handle_directive): Decide if the # was at the beginning
6536 of the line here. Issue -pedantic warnings for extended
6537 directives here. Warn about K+R directives with the #
6538 indented, and C89/extended directives with the # not indented,
6540 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6541 do_assert, do_unassert): Don't issue pedantic warning here.
6543 * cpphash.h: Add CPP_WTRADITIONAL macro.
6544 * cpplib.h (struct cpp_options): Rename warn_stringify to
6545 warn_traditional; update comments.
6546 * cppinit.c (handle_option): Set warn_traditional not
6548 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6549 CPP_WTRADITIONAL (pfile).
6550 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6551 be ignored in -traditional mode here.
6553 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6554 to initialize speccase[] and trigraph_map[]. Delete all
6555 references to pfile->input_speccase. Always treat '?' as a
6556 special character. Remove table-initialization code from
6557 _cpp_init_input_buffer.
6559 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6560 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6562 2000-04-01 Richard Henderson <rth@cygnus.com>
6564 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6565 (mostlyclean): Likewise.
6567 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6568 (struct dump_file_info, enum dump_file_index, dump_file): New.
6569 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6570 not a string. Clean out file if we havn't yet done so. Do nothing
6571 if the dump isn't enabled.
6572 (close_dump_file): Do nothing if the dump isn't open. Dump
6573 graph data if requested.
6574 (dump_rtl, clean_dump_file): Remove.
6575 (compile_file): Don't clean the dump files. Only finalize .bp dump
6576 if flag_test_coverage or flag_branch_probabilities. Only finalize
6577 .combine dump if optimizing. Iterate over dump_file to finalize the
6579 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6580 Convert all uses of dump_rtl.
6581 (decode_d_option): Iterate over dump_file to implement 'a' and to
6582 locate pass-specific dumps.
6584 2000-04-01 Neil Booth <NeilB@earthling.net>
6586 * cppexp.c: Redefine priority constants.
6587 (_cpp_parse_expr): Replace left and right priority scheme with
6588 single priority logic. Move LOGICAL to same place as COMPARE.
6589 Remove bogus check for multiple unary +/- operators.
6591 2000-04-01 Neil Booth <NeilB@earthling.net>
6593 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6594 within the switch statement. Binary operations break out of
6595 the switch naturally. '(' tokens handled by forcing
6596 immediate shift. ')' handled by forcing immediate reduce to
6597 the previous '('. New error messages.
6599 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6601 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6602 part', it's already in use. Use %K instead. Add a return at the
6603 end of what is now %K.
6604 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6606 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6608 * builtins.c (expand_builtin_apply): Pass proper parameters to
6609 allocate_dynamic_stack_space.
6610 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6611 update stack_pointer_delta; do not update arg_size_so_far.
6612 (compute_argument_block_size): Use stack_delta instead of
6613 stack_pointer_pending and arg_size_so_far.
6614 (expand_call): Add sanity checking for stack_pointer_delta;
6615 save and restore stack_pointer_delta for SIB, use
6616 stack_pointer_delta for alignment; do not update arg_space_so_far.
6617 (emit_library_call_value): Use stack_pointer_delta for alignment.
6618 (store_one_arg): Do not update arg_space_so_far.
6619 * explow.c (adjust_stack, anti_adjust_stack): Update
6620 stack_pointer_delta.
6621 (allocate_dynamic_stack_space): Add sanity checking for
6622 stack_pointer_delta.
6623 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6624 stack_pointer_delta.
6625 (emit_push_insn): Update stack_pointer_delta.
6626 * function.h (struct expr_status): Add x_stack_pointer_delta;
6627 remove x_arg_space_so_far.
6628 (arg_space_so_far): Remove.
6629 (stack_pointer_delta): New macro.
6631 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6633 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6634 Reorder struct cpp_options and struct cpp_reader for better
6635 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6636 takes two args. Change all 'char' flags to 'unsigned char'.
6637 Move show_column flag into struct cpp_options. Don't
6638 prototype cpp_options_init.
6639 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6640 cppinit.c, cpplex.c, cpplib.c:
6641 Replace CPP_OPTIONS (pfile)->whatever with
6642 CPP_OPTION (pfile, whatever), and likewise for
6643 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6645 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6646 Extract CPP_OPTION (pfile, pending) and work with that
6648 (cpp_options_init): Delete.
6649 (cpp_reader_init): Turn on on-by-default options here.
6650 Allocate the pending structure here.
6651 (cl_options, enum opt_code): Define these from the same table,
6652 kept in a large macro. Add -fshow-column and -fno-show-column
6655 * cpperror.c (v_message): If show_column is off, don't print
6658 * cppmain.c: Update for new interface.
6659 * fix-header.c: Likewise.
6661 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6663 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6665 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6666 are passed to any invocation of AR_FOR_TARGET.
6667 (AR_CREATE_FOR_TARGET): New macro.
6668 (AR_EXTRACT_FOR_TARGET): New macro.
6669 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6670 AR_EXTRACT_FOR_TARGET.
6671 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6672 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6673 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6674 AR_EXTRACT_FOR_TARGET to sub-makes.
6676 2000-03-31 Neil Booth <NeilB@earthling.net>
6678 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6680 (_cpp_parse_expr): Check for multiple unary +/- operators.
6681 Correct priorities of ':' and '?'. Treat ')' as having a
6682 value. Ensure conditional expression is not void.
6684 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6686 * alias.c (canon_rtx): Make it global.
6687 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6689 * cse.c (struct table_elt): Add canon_exp.
6691 (invalidate): Canonicalize expressions only once.
6692 * rtl.h (canon_rtx): Declare.
6694 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6696 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6697 * alias.c (reg_known_value): Add comments.
6698 (init_alias_analysis): Likewise.
6699 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6701 (cse_basic_block): Fix typo in comment.
6702 * emit-rtl.c: Include hashtab.h.
6703 (const_int_htab): New variable.
6704 (const_int_htab_hash): New function.
6705 (const_int_htab_eq): Likewise.
6706 (rtx_htab_mark_1): Likewise.
6707 (rtx_htab_mark): Likewise.
6708 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6709 (unshare_all_rtx): Fix formatting.
6710 (init_emit_once): Initialize const_int_htab.
6711 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6713 * rtl.texi: Document the fact that all CONST_INTs with the same
6716 2000-03-30 Richard Henderson <rth@cygnus.com>
6718 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6720 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6722 * configure.in: Comment out --enable-c-cpplib stanza.
6723 * configure: Regenerate.
6725 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6727 * expr.c (store_constructor): Properly compute displacement and
6728 alignment when offset is variable.
6730 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6731 cases of alignment in bytes.
6733 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6735 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6736 since it is used to generate c-parse.y.
6737 * objc-parse.c, objc-parse.y: Regenerated.
6739 * function.c (expand_function_end): Pass alignment argument to
6740 emit_block_move in bits, not bytes.
6742 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6744 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6747 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6749 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6750 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6751 * function.c (assign_parms): Likewise.
6752 * integrate.c (expand_inline_function): Likewise.
6753 * stmt.c (expand_decl): Likewise.
6754 (copy_rtx_and_substitute): Likewise.
6755 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6756 (clear_by_pieces): Fix error in last change.
6757 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6758 * function.h (regno_pointer_align): Now unsigned.
6759 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6761 * config/i386/i386.c (aligned_operand): Likewise.
6762 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6763 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6764 (unaligned_memory_operand): Likewise.
6765 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6766 Also make alignments and sizes unsigned and some whitespace cleanup.
6767 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6769 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6770 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6771 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6772 (expand_builtin_memset): Likewise, but to clear_storage.
6773 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6774 (restore_fixed_argument_area): Likewise.
6775 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6776 (load_register_parameters): Likewise, to emit_group_load.
6777 (expand_call): Likewise, to emit_group_store and emit_block_move.
6778 (emit_library_call_value_1): Likewise, to emit_block_move.
6779 (store_one_arg): Likewise, and to emit_push_insn.
6780 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6781 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6782 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6783 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6784 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6785 (expand_assigment, store_expr, store_constructor_field): Likewise.
6786 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6787 (store_constructor, store_field, get_inner_reference): Likewise.
6788 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6789 (expand_expr, case COMPONENT_REF): Likewise.
6790 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6791 and positions; reindent code.
6792 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6793 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6794 (assign_parms): Likewise to emit_group_store.
6795 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6796 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6797 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6798 (expand_return): Likewise to {extract,store}_bit_field.
6799 * stor-layout.c (get_mode_alignment): Minor cleanup.
6800 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6801 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6803 2000-03-29 Nick Clifton <nickc@cygnus.com>
6805 * config/arm/arm.h: Undo effects of previous delta:
6806 (ASM_SPEC): Do not define.
6807 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6809 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6812 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6814 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6815 only after reading in the primary source file.
6817 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6819 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6820 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6821 or a reference to a va_list.
6822 * builtins.c (stabilize_va_list): Simplify now we don't have to
6823 work around C array address decay.
6824 * c-typeck.c (convert_for_assignment): Handle assignment to
6825 a reference parameter by taking the address of the RHS.
6826 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6827 (va_copy): Likewise.
6828 (__va_copy): Likewise.
6829 * ginclude/varargs.h (va_start): Likewise.
6830 (__va_copy): Likewise.
6832 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6834 * i386/djgpp.h: Remove extraneous "+".
6836 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6838 * calls.c (expand_call): Fix typo in last change.
6840 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6842 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6845 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6847 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6848 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6849 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6850 * tree.c (bit_position, byte_position): Likewise.
6851 * tree.h: Declare new functions.
6853 2000-03-29 Nick Clifton <nickc@cygnus.com>
6855 * config/arm/arm.c: Minor formatting changes/
6856 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6858 (ASM_SPEC): Define if not already defined.
6860 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6862 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6865 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6867 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6868 value, don't output it as unsigned.
6870 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6872 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6874 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6876 * c-common.c (c_common_nodes_and_builtins): Don't special case
6877 cplus_mode when declaring builtin bzero/bcmp, always avoid
6878 prototype arguments.
6880 2000-03-29 Bruce Korb <bkorb@gnu.org>
6882 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6885 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6887 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6888 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6889 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6890 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6891 (save_fixed_argument_area, restore_fixed_argument_area):
6892 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6893 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6894 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6895 (precompute_register_parameters): Avoid #ifdefs on
6896 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6897 (stire_one_args): Likewise.
6898 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6899 (emit_library_call_value_1): Likewise.
6900 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6901 ACCUMULATE_OUTGOING_ARGS.
6902 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6904 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6905 (use_crosses_set_p): Likewise.
6906 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6907 #define ACCUMULATE_OUTGOING_ARGS 1.
6908 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6910 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6912 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6913 (TARGET_SWITCHES): Add push-args, no-push-args,
6914 accumulate-outgoing-args and no-accumulate-outgoing-args.
6915 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6916 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6917 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6919 (emit_push_insn): Likewise.
6920 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6921 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6922 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6923 (STACK_DYNAMIC_OFFSET): Define correctly for both
6924 ACCUMULATE_OUTGOING_ARGS and normal mode.
6925 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6926 * tm.texi (PUSH_ARGS): Document.
6927 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6929 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6931 * flags.h (flag_optimize_sibling_calls): Declare.
6932 * calls.c (expand_call): Fail sibcall when
6933 !flag_optimize_sibling_calls
6934 * invoke.texi (flag_optimize_sibling_calls): Document.
6935 * toplev.c (flag_optimize_sibling_calls): New global variable.
6936 (f_options): Add flag_optimize_sibling_calls.
6937 (rest_of_compilation): Conditionize
6938 optimize_sibling_and_tail_recursive_calls by
6939 flag_optimize_sibling_calls.
6940 (main): Set flag_optimize_sibling_calls for -O2.
6941 * stmt.c (expand_return): Conditionize tail recursion by
6942 flag_optimize_sibling_calls.
6944 2000-03-29 Richard Henderson <rth@cygnus.com>
6946 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6947 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6949 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6951 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6953 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6955 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6957 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6958 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6959 * config/rs6000/aix.h: then modified likewise.
6961 2000-03-28 Richard Henderson <rth@cygnus.com>
6963 * rtl.h: Redistribute enum reg_note documentation.
6964 Kill trailing whitespace.
6965 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6966 Kill trailing whitespace.
6968 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6970 * cppfiles.c (hash_IHASH): Just return i->hash.
6971 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6972 htab_find_with_hash.
6973 (cpp_read_file): Likewise.
6974 (find_include_file): Likewise. Properly initialize
6975 ih->nshort. Share ih->name and ih->nshort if possible.
6976 * cpphash.c (_cpp_calc_hash): New function.
6977 (hash_HASHNODE): Just return h->hash.
6978 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6979 htab_find_with_hash.
6980 * cpphash.h: Prototype _cpp_calc_hash.
6981 * cppinit.c (initialize_builtins): Provide a valid hash
6982 to _cpp_make_hashnode, using _cpp_calc_hash.
6984 * cpphash.c (collect_expansion): # is not a special character
6985 in object-like macros. In -traditional mode, /**/ is not
6986 token paste at the beginning or end of the line.
6987 * cpplib.c (do_include, do_import, do_include_next): If
6988 parse_include fails, return immediately.
6990 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6992 * config/arm/arm.md (return peepholes): Update to reflect the new
6994 * config/arm/arm.c (arm_volatile_func): Also check
6995 current_function_nothrow.
6996 (output_return_instruction, output_func_prologue): Use it.
6997 (arm_output_epilogue, arm_expand_prologue): Likewise.
6999 2000-03-27 Tom Tromey <tromey@cygnus.com>
7001 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7004 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7006 * expr.c (store_constructor): SIZE now signed.
7007 For EXPR_SIZE, don't evaluate size; just needed if constant.
7008 * fold-const.c (fold): Fix a number of cases when folded tree is
7010 * function.c (flush_addressof): Reenable.
7011 * tree.h (flush_addressof): Likewise.
7012 * toplev.c (independent_decode_option): Look at strings_processed.
7013 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7015 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7017 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7018 Allow stack adjustment after function call.
7020 * regmove.c (struct csa_memlist): Make mem field rtx *.
7021 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7022 (try_apply_stack_adjustment): Replace whole MEM rtx.
7023 (combine_stack_adjustments_for_block): Update calls
7024 to record_one_stack_ref.
7026 2000-03-28 Neil Booth <NeilB@earthling.net>
7028 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7029 '\\' rather than a null character, so nulls are not special. Fix
7030 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7031 speed trigraph conversion.
7032 (_cpp_init_input_buffer): Initialize trigraph map.
7034 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7036 * config/i386/i386.c (output_387_binary_op): Correct intel
7037 mode assembly output, and add spaces after commas in AT&T
7038 output. Correct Unixware assembler comment. Document input
7039 constraints. Comment fp operations. Reduce profligate buffer
7040 size. Remove extraneous abort. Localize temp var.
7041 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7042 (output_fix_trunc): Add spaces after commas in assembly output.
7044 2000-03-27 Richard Henderson <rth@cygnus.com>
7046 * i386-protos.h (ix86_match_ccmode): Declare.
7047 * i386.c (ix86_match_ccmode): New.
7048 (ix86_expand_fp_compare): Update for pattern renames.
7049 (ix86_expand_strlensi_unroll_1): Likewise.
7050 * i386.h (EXTRA_CC_MODES): Add CCZ.
7051 (SELECT_CC_MODE): Use it for EQ/NE zero.
7052 * i386.md (cmpsi_ccz_1): New.
7054 (*testsi_ccz_1): New.
7055 (testqi_ccz_1): New.
7056 (cmpsi_ccno_1): Rename from cmpsi_0.
7057 (testsi_ccno_1): Rename from testsi_1.
7058 (testqi_ccno_1): Rename from testqi_1.
7059 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7060 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7061 (*cmphi_0): Use ix86_match_ccmode.
7062 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7063 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7064 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7065 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7066 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7067 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7068 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7069 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7070 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7071 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7072 (appropriate peepholes): Likewise.
7073 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7074 (*subsi_3, *subhi_3, *subqi_3): Remove.
7075 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7076 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7077 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7078 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7079 (x86_shift_adj_1): Use CCZ.
7080 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7082 2000-03-27 Stan Cox <scox@cygnus.com>
7084 * resource.h (mark_resource_type): New.
7085 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7086 find_free_register): Use mark_resource_type.
7087 (mark_set_resources): Change include_delayed_effects
7088 to mark_resource_type.
7089 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7090 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7091 Use mark_resource_type.
7093 2000-03-27 Richard Henderson <rth@cygnus.com>
7095 * i386.md (call_pop_0, call_value_pop_0): New.
7096 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7097 (call_value_pop_1): Likewise.
7098 (call_0, call_value_0): New.
7099 (call_1, call_value_1): Remove constraint from unused arg.
7101 2000-03-27 Nick Clifton <nickc@cygnus.com>
7103 * invoke.texi (Spec Files): Document new spec % command created by
7104 Tom Tromey's recent patch.
7106 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7108 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7111 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7113 * expr.c (expand_assignment): Fix typo in last change.
7115 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7117 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7119 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7120 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7121 and DECL_INLINE if FUNCTION_DECL.
7122 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7123 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7124 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7125 (combine_parm_decls): Likewise.
7126 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7127 * print-tree.c (print_node): Likewise.
7128 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7129 DECL_TRANSPARENT_UNION on proper decl types.
7130 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7131 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7132 DECL_BIT_FIELD of FIELD_DECL.
7133 * tree.h (DECL_RESULT_FLD): New macro.
7135 * expr.c (expand_assignment): Add code to handle variable-sized
7138 2000-03-26 Richard Henderson <rth@cygnus.com>
7140 * calls.c (expand_call): Pass parms not original exp to
7141 optimize_tail_recursion. Mind return value instead of looking
7143 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7144 call_expr. Move checks for call_expr and current_function_decl ...
7145 (expand_return): ... here.
7147 2000-03-26 Tom Tromey <tromey@cygnus.com>
7149 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7150 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7152 (process_command): Use them.
7153 (check_live_switch): Likewise.
7154 (give_switch): Skip ignored switches.
7156 2000-03-26 Jan Hubicka <jh@suse.cz>
7158 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7159 for minimal jump pass test.
7161 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7163 * integrate.c (function_cannot_inline_p): Do inline functions that
7166 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7168 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7169 now a list of TREE_LIST entries, not types.
7170 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7172 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7173 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7175 * config/mips/mips.c (function_arg): Likewise; also remove cast
7176 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7177 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7178 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7179 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7180 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7181 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7182 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7183 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7184 num_adjusts now unsigned.
7185 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7186 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7188 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7189 as is BITPOS variable; use host_integerp and int_bit_position.
7190 (function_arg_record_value_2): Likewise.
7191 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7192 Variable REGNO now unsigned.
7193 (function_arg_record_value): NREGS now unsigned.
7195 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7197 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7199 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7201 * Rework fields used to describe positions of bitfields and
7202 modify sizes to be unsigned and use HOST_WIDE_INT.
7203 * alias.c (reg_known_value_size): Now unsigned.
7204 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7205 (really_start_incremental_init): Use bitsize_zero_node.
7206 (push_init_level, pop_init_level, output_init_element): Likewise.
7207 Use bitsize_unit_node and bitsize_one_node.
7208 (output_pending_init_elements, process_init_element): Likewise.
7209 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7210 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7211 HOST_WIDE_INT, respectively.
7212 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7213 (num_sign_bit_copies): Returns unsigned.
7214 BITWIDTH now unsigned; rework arithmetic.
7215 Remove recursive call from arg to MAX.
7216 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7217 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7219 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7220 (find_split_point, expand_compound_operation, make_extraction): LEN
7221 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7222 (make_field_assignment): Likewise.
7223 (combine_simplify_rtx): Add cast.
7224 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7225 (force_to_mode): WIDTH now unsigned; add cast.
7226 (if_then_else_cond): SIZE now unsigned.
7227 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7228 (extended_count): Now returns unsigned.
7229 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7230 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7231 (simplify_comparison): MODE_WIDTH now unsigned.
7232 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7233 (mark_used_regs_combine): Likewise; rework arithmetic.
7234 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7235 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7236 (record_promoted_value): REGNO now unsigned.
7237 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7238 (get_last_value): REGNO now unsigned.
7239 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7240 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7241 (remove_death): Arg REGNO now unsigned.
7242 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7243 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7245 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7246 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7247 (struct cse_reg_info): REGNO now unsigned.
7248 (cached_regno): Now unsigned.
7249 (REGNO_QTY_VALID_P): Add cast.
7250 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7251 (remove_invalid_regs): Likewise.
7252 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7253 as are variables END and I.
7254 (get_cse_reg_info, insert): Likewise.
7255 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7256 (canon_hash): Likewise.
7257 (insert_regs, lookup_for_remove): REGNO now unsigned.
7258 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7260 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7261 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7262 * emit-rtl.c (subreg_realpart_p): Add cast.
7263 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7264 (operand_subword_force): Arg I is now unsigned.
7265 * except.c (eh_regs): Variable I is now unsigned.
7266 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7267 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7268 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7269 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7270 (extract_split_bit_field, store_bit_field, extract_bit_field):
7272 * expr.c (store_constructor_fields, store_constructor, store_field):
7273 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7274 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7275 (do_jump): Likewise.
7276 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7277 MAX_SIZE is now unsigned.
7278 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7279 (emit_group_store): Likewise.
7280 (emit_move_insn): I now unsigned.
7281 (store_constructor): Use host_integerp, tree_low_cst, and
7283 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7284 Rework all calculations to use trees and new fields.
7285 * expr.h (promoted_input_arg): Regno now unsigned.
7286 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7287 (mark_seen_cases): Arg is HOST_WIDE_INT.
7288 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7289 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7290 precisions and alignments are unsigned.
7291 (optimize_bit_field_compare, fold_truthop): Likewise.
7292 (int_const_binop): Adjust threshold for size_int_type_wide call.
7293 (fold_convert): Likewise.
7294 (size_int_type_wide): Make table larger and fix thinko that only
7295 had half of table used.
7296 (all_ones_mask_p, fold): Precisions are unsigned.
7297 * function.c (put_reg_info_stack): REGNO is unsigned.
7298 (instantiate_decl): Size is HOST_WIDE_INT.
7299 (instantiate_virtual_regs): I is unsigned.
7300 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7301 (promoted_input_arg): REGNO is unsigned.
7302 * function.h (struct function): x_max_parm_reg is now unsigned.
7303 * gcse.c (max_gcse_regno): Now unsigned.
7304 (struct null_pointer_info): min_reg and max_reg now unsigned.
7305 (lookup_set, next_set): REGNO arg now unsigned.
7306 (compute_hash_table): REGNO and I now unsigned.
7307 (handle_avail_expr): regnum_for_replacing now unsigned.
7308 (cprop_insn): REGNO now unsigned.
7309 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7310 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7311 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7312 * hard-reg-set.h (reg_class_size): Now unsigned.
7313 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7314 * jump.c (mark_modified_reg): I now unsigned; add cast.
7315 (rtx_equal_for_thread_p): Add cast.
7316 * loop.c (max_reg_before_loop): Now unsigned.
7317 (struct_movable): REGNO now unsigned.
7318 (try_copy_prop): REGNO arg unsigned.
7319 (regs_match_p): XN and YN now unsigned.
7320 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7321 (strength_reduce): Likewise; NREGS also unsigned.
7322 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7323 * loop.h (struct iv_class): REGNO now unsigned.
7324 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7326 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7327 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7328 * optabs.c (expand_binop): I and NWORDS now unsigned.
7329 (expand_unop): I now unsigned.
7330 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7331 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7332 * real.c (significand_size): Now returns unsigned.
7333 * real.h (significand_size): Likewise.
7334 * regclass.c (reg_class_size): Now unsigned.
7335 (choose_hard_reg_mode): Both operands now unsigned.
7336 (record_reg_classes): REGNO and NR now unsigned.
7337 (reg_scan): NREGS now unsigned.
7338 (reg_scan_update): old_max_regno now unsigned.
7339 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7340 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7341 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7342 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7343 Likewise for variable R.
7344 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7345 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7346 (find_equiv_reg): Add casts.
7347 (regno_clobbered_p): Arg REGNO now unsigned.
7348 * reload.h (struct reload): NREGS now unsigned.
7349 (refers_to_regno_for_reload_p): Regno args are unsigned.
7350 (regno_clobbered_p): Likewise.
7351 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7352 (compute_use_by_pseudos): REGNO now unsigned.
7353 (find_reg): I and J now unsigned, new variable K, and change loop
7354 variables accordingly; THIS_NREGS now unsigned.
7355 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7356 (spill_hard_reg): REGNO arg now unsigned; add casts.
7357 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7358 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7359 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7360 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7361 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7362 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7363 (emit_reload_insns): REGNO now unsigned.
7364 (reload_cse_move2add): Add cast.
7365 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7367 * resource.c (mark_referenced_resources, mark_set_resources): New
7368 variable R; REGNO and LAST_REGNO now unsigned.
7369 (mark_target_live_regs): J and REGNO now unsigned.
7370 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7371 * rtl.h (union rtunion_def): New field rtuint.
7372 (XCUINT): New macro.
7373 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7374 (operand_subword, operand_subword_force): Word number is unsigned.
7375 (choose_hard_reg_mode): Operands are unsigned.
7376 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7377 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7378 (regno_use_in, combine_instructions, remove_death): Likewise.
7379 (reg_scan, reg_scan_update): Likewise.
7380 (extended_count): Return is unsigned.
7381 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7382 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7383 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7384 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7385 (reg_reg_last_1): FIRS and LAST now unsigned.
7386 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7387 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7389 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7390 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7391 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7392 (replace_regs): Arg NREGS now unsigned.
7393 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7394 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7395 (simplify_binary_operation): Likewise.
7396 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7397 THIS_LAST now unsigned.
7398 (cselib_record_set): Add cast.
7399 * ssa.c (ssa_max_reg_num): Now unsigned.
7400 (rename_block): REGNO now unsigned.
7401 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7403 (all_cases_count): Just return -1 not -2.
7404 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7405 Rework tests to use trees whenever possible.
7406 Use host_integerp and tree_low_cst.
7407 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7408 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7409 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7410 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7411 (smallest_mode_for_size): Likewise.
7412 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7413 KNOWN_ALIGN is now an alignment, so simplify code.
7414 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7415 (start_record_layout): Renamed from new_record_layout_info.
7416 Update to new fields.
7417 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7419 (place_union_field): Renamed from layout_union_field.
7420 Update to use new fields in rli.
7421 (place_field): Renamed from layout_field.
7422 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7423 (finalize_record_size): Rework to use new fields in rli and handle
7425 (compute_record_mode): Rework to simplify and to use new DECL fields.
7426 (finalize_type_size): Make rounding more consistent.
7427 (finish_union_layout): Deleted.
7428 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7429 (layout_type, case RECORD_TYPE): Call new function names.
7430 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7431 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7432 (get_best_mode): UNIT is now unsigned; remove casts.
7433 * tree.c (bit_position): Compute from new fields.
7434 (byte_position, int_byte_position): New functions.
7435 (print_type_hash_statistics): Cast to remove warning.
7436 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7437 (build_index_type): Likewise; make subtype of sizetype.
7438 (build_index_2_type): Pass sizetype to build_range_type.
7439 (build_common_tree_nodes): Use size_int and bitsize_int to
7440 initialize nodes; add bitsize_{zero,one,unit}_node.
7441 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7442 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7443 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7444 (DECL_FIELD_BITPOS): Deleted.
7445 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7446 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7447 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7448 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7449 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7450 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7451 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7452 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7453 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7454 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7455 (DECL_ALIGN): Adjust to new field in union.
7456 (DECL_OFFSET_ALIGN): New field.
7457 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7458 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7459 (union tree_decl): Add struct for both aligns.
7460 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7461 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7462 (struct record_layout_info): Rework fields to have offset
7463 alignment and byte and bit position.
7464 (start_record_layout, place_field): Renamed from old names.
7465 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7466 (byte_position, int_byte_position): Likewise.
7467 (get_inner_reference): Change types of position and length.
7468 * unroll.c (unroll_loop): New variable R; use for some loops.
7469 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7470 (calculate_giv_inc): Arg REGNO now unsigned.
7471 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7472 * varasm.c (assemble_variable): Clean up handling of size using
7473 host_integerp and tree_low_cst.
7474 (decode_addr_const): Use byte, not bit, position.
7475 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7476 use tree_low_cst and int_bit_position.
7477 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7479 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7481 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7482 (reorder_block_def): New members eff_head and eff_end.
7483 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7484 (verify_insn_chain): New function.
7485 (skip_insns_between_block): Add code to skip deleted insns.
7486 Check for note before using.
7487 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7488 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7489 Check for note before using.
7490 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7491 (fixup_reorder_chain): Restructure, clean up, defect removal.
7492 (reorder_basic_blocks): Remove last_insn and references to it.
7493 Moved insn chain verification code into a new function (see above).
7494 Delete defective code that sets last insn.
7495 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7498 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7500 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7502 2000-03-24 Richard Henderson <rth@cygnus.com>
7504 * tree.c (lang_safe_for_unsave): Remove.
7505 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7506 allowing for two levels of unsafeness. Remove lang hook.
7507 * tree.h: Update declarations.
7508 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7509 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7510 Always fail sibcalls when there are pending cleanups.
7512 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7514 * flow.c (propagate_block): When we delete an ADDR_VEC,
7515 also delete the BARRIER following it if there is one.
7517 2000-03-24 Richard Henderson <rth@cygnus.com>
7519 * builtins.c (expand_builtin_bzero): Convert `length' argument
7522 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7524 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7525 comparison if regno's are equal.
7526 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7527 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7528 (expand_call): Update caller.
7529 Avoid making a sibling call if argument size of the callee is larger
7530 than argument size of the caller.
7531 Call hard_function_value with outgoing set if in sibcall pass.
7532 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7534 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7535 Change LEAF_REGISTERS from an array initializer to actual array
7536 identifier. Move static global variable into the function.
7537 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7538 sequences for leaf functions.
7539 * global.c (global_alloc): Likewise.
7540 * tm.texi (LEAF_REGISTERS): Update documentation.
7542 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7543 TARGET_FLAT leaf disabling hack.
7544 (LEAF_REGISTERS): Changed from an array initializer to actual array
7545 identifier to avoid duplication and remove the above hack.
7546 (FUNCTION_OK_FOR_SIBCALL): Define.
7547 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7548 always like call attribute.
7549 (eligible_for_sibcall_delay): New attribute.
7550 (sibcall): New delay type.
7551 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7552 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7553 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7554 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7555 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7557 (output_function_epilogue): Move part of the code into
7558 output_restore_regs.
7559 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7561 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7564 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7565 until infrastructure is finished.
7567 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7569 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7570 (save_parm_insns): Not here.
7572 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7574 * builtins.c (expand_builtin_bzero): New function.
7575 (expand_builtin): Handle bzero.
7577 * builtins.def: Add BUILT_IN_BZERO.
7579 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7580 prototype & function for bzero.
7582 2000-03-23 Michael Meissner <meissner@redhat.com>
7584 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7585 change adding TARGET_FP to the TF floating point insns, except for
7586 trunctfsf2, which generates direct calls to truncdfsf2.
7588 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7590 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7591 try to protect against middle-end changes that break binary
7593 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7595 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7597 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7599 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7601 * calls.c (expand_call): If TARGET is passed by reference and
7602 is readonly, write a CLOBBER.
7604 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7606 * builtins.c (expand_builtin): Handle bcmp.
7608 * builtins.def: Add BUILT_IN_BCMP.
7610 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7611 prototype & function for bcmp.
7613 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7615 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7616 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7617 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7619 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7621 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7622 alternative when using -fp64 -gp32.
7624 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7626 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7627 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7628 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7630 * frame.h (frame_state): Revert last change.
7631 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7632 * libgcc2.c (throw_helper): Revert last change.
7634 2000-03-22 Richard Henderson <rth@cygnus.com>
7636 * stmt.c (expand_asm_operands): Don't promote the temporary.
7638 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7640 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7641 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7642 c_get_alias_set): Likewise.
7643 * c-decl.c (duplicate_decls): Likewise.
7644 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7645 * calls.c (initialize_argument_information): Likewise.
7646 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7648 * dwarfout.c (decl_class_context,output_type): Likewise.
7649 * expr.c (get_inner_reference): Likewise.
7650 * fold-const.c (simple_operand_p,fold): Likewise.
7651 * function.c (aggregate_value_p): Likewise.
7652 * stmt.c (expand_asm_operands): Likewise.
7653 * varasm.c (named_section): Likewise.
7655 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7657 Implement dwarf2 exception handling for the ARM.
7658 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7659 (DWARF_FRAME_RETURN_COLUMN): Define.
7660 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7661 REG_FRAME_RELATED_EXPR note.
7662 (emit_sfm): Likewise.
7663 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7664 * dwarf2out.c (reg_save): Handle saving a register to itself.
7665 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7666 * except.c (eh_regs): Don't use the static chain reg if it's
7668 * frame.h (frame_state): Add cfa_saved field.
7669 * frame.c (execute_cfa_insn): Set it.
7670 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7672 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7674 (instantiate_virtual_regs): Adjust.
7676 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7677 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7678 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7680 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7681 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7683 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7685 * builtins.def: New file.
7687 * Makefile.in (TREE_H): Depend on builtins.def.
7689 * builtins.c (built_in_names): Use builtins.def.
7691 * tree.h (built_in_function): Likewise.
7693 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7695 * tree.c (size_in_bytes): Return size_zero_node, not
7698 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7700 * config/fp-bit.c (pack_d): Correct the case when a denormal
7701 is rounded up and stops being denormal.
7703 2000-03-21 Richard Henderson <rth@cygnus.com>
7705 * config/alpha/alpha.c (function_arg): Check for void_type_node
7706 before using MUST_PASS_IN_STACK.
7708 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7710 * regmove.c (combine_stack_adjustments_for_block): Check that
7711 the stack pointer is a valid memory address.
7713 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7715 * calls.c: re-install Mar 16 emit_library_call merge.
7717 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7719 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7720 we cannot be sure that if reload_completed base register will
7721 be properly aligned.
7723 2000-03-21 Richard Henderson <rth@cygnus.com>
7725 * flow.c (delete_block): Fix typo last change.
7727 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7729 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7730 not COMPLETE_TYPE_P, to check the type of the expression.
7732 2000-03-21 Michael Meissner <meissner@redhat.com>
7734 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7735 all floating point insns that just tested the macro
7736 TARGET_HAS_XFLOATING_LIBS.
7737 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7738 used to only use the gprs.
7740 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7742 * tree.h (COMPLETE_TYPE_P): New macro.
7743 (COMPLETE_OR_VOID_TYPE_P): New macro.
7744 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7745 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7746 * c-aux-info.c (gen_type): Use them.
7747 * c-common.c (c_expand_expr_stmt): Likewise.
7748 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7749 grokdeclarator, grokparms, finish_struct, start_function,
7750 store_parm_decls, combine_parm_decls): Likewise.
7751 * c-parse.y (cast_expr): Likewise.
7752 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7753 c_size_in_bytes, c_alignof, build_component_ref,
7754 build_indirect_ref, build_array_ref, convert_arguments,
7755 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7756 * calls.c (initialize_argument_information): Likewise.
7757 * convert.c (convert_to_integer): Likewise.
7758 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7759 * dwarfout.c (location_or_const_value_attribute,
7760 output_enumeration_type_die, output_structure_type_die,
7761 output_union_type_die, output_type): Likewise.
7762 * expr.c (safe_from_p, expand_expr): Likewise.
7763 * function.c (assign_parms): Likewise.
7764 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7765 * tree.c (build_array_type, build_function_type,
7766 build_method_type, build_offset_type, build_complex_type): Likewise.
7767 * c-parse.c, c-parse.h: Regenerated.
7769 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7771 * config/c4x/rtems.h: Include config/rtems.h.
7773 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7775 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7776 decl is a FUNCTION_DECL
7778 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7780 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7781 function uses output registers. Don't save RP for leaf functions.
7782 Do save RP even if no epilogue.
7783 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7784 (CALL_USED_REGISTERS): Unmark in registers.
7785 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7788 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7790 * config/rs6000/rs6000.md (bunordered): New expander.
7791 (bordered): New expander.
7792 (buneq): New expander.
7793 (bunge): New expander.
7794 (bungt): New expander.
7795 (bunle): New expander.
7796 (bunlt): New expander.
7797 (bltgt): New expander.
7799 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7800 (ccr_bit_negated_p): New function.
7801 (print_operand): For %C, generate appropriate cror for UNEQ,
7802 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7804 2000-03-20 Andreas Jaeger <aj@suse.de>
7806 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7809 * tree.h (safe_for_unsave): Prototype.
7811 2000-03-20 Richard Henderson <rth@cygnus.com>
7813 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7814 (combine_stack_adjustments_for_block): Don't allow sp references
7815 in the side of a set we're not fixing up.
7816 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7817 after life_analysis.
7819 2000-03-20 Richard Henderson <rth@cygnus.com>
7821 * calls.c (expand_call): Don't bother generating tail call
7822 sequences if there are pending cleanups. Use
7823 expand_start_target_temps/expand_end_target_temps to elide
7824 cleanups created during sibcall expansion.
7826 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7828 * configure.in: Set $IFS to a value if it doesn't already have one
7829 in the --enable-checking handling.
7830 * configure: Regenerate.
7832 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7834 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7835 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7838 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7840 * jump.c (delete_noop_moves): Remove code attempting to
7841 combine stack adjustments.
7843 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7845 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7846 * except.c (emit_cleanup_handler): Use them.
7847 (expand_end_all_catch): Likewise.
7848 * function.c (fixup_var_refs): Likewise.
7849 (expand_function_end): Clear catch_clauses_last.
7850 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7851 * except.h (struct eh_status): New field x_catch_clauses_last.
7852 (catch_clauses_last): New define.
7854 * Makefile.in (tree.o): Depend on HASHTAB_H.
7855 * tree.c: Include hashtab.h.
7856 (struct type_hash): Remove next field.
7857 (TYPE_HASH_SIZE): Remove.
7858 (TYPE_HASH_INITIAL_SIZE): New define.
7859 (type_hash_table): Change type to htab_t.
7860 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7861 mark_hash_entry): New functions.
7862 (init_obstacks): Allocate type hash.
7863 (type_hash_lookup): Use htab functions.
7864 (type_hash_add, mark_type_hash): Likewise.
7865 (dump_tree_statistics): Call print_type_hash_statistics.
7867 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7869 * rs6000/t-aix41: New file.
7871 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7873 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7875 * tm.texi (Driver): Fix typos and tweak entry for
7877 Move misplaced STRUCT_FORCE_BLK entry ...
7878 (Storage Layout): ... to here.
7879 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7881 2000-03-19 Richard Henderson <rth@cygnus.com>
7883 * flow.c (delete_block): Delete the addr_vec along with the block.
7884 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7887 * fold-const.c (extract_muldiv): Apply type check for defined
7888 overflow to multiply as well as divide.
7890 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7892 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7894 * emit-rtl.c (remove_unncessary_notes): Check that all
7895 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7896 associated NOTE_BLOCK.
7897 * function.h (identify_blocks): Update comments.
7898 (reorder_blocks): Declare.
7899 * function.c (identify_blocks): Don't take paramters.
7900 (reorder_blocks): Don't take parameters.
7901 * loop.h (find_loop_tree_blocks): Remove.
7902 (unroll_block_trees): Likewise.
7903 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7904 reorder_blocks instead of unroll_block_trees.h
7905 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7906 * stmt.c (find_loop_tree_blocks): Remove.
7907 (unroll_block_trees): Likewise.
7908 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7909 in whole-function mode.
7910 * tree.h (reorder_blocks): Remove declaration.
7912 * expr.c: Include intl.h.
7913 * Makefile.in (expr.o): Depend on intl.h.
7915 2000-03-18 Richard Henderson <rth@cygnus.com>
7917 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7919 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7921 * tree.h (tree_index): Remove enumerals for integer types.
7922 (integer_type_kind): New type.
7923 (integer_types): New variable.
7924 (char_type_node): Adjust.
7925 (signed_char_type_node): Likewise.
7926 (unsigned_char_type_node): Likewise.
7927 (short_integer_type_node): Likewise.
7928 (short_unsigned_type_node): Likewise.
7929 (integer_type_node): Likewise.
7930 (unsigned_type_node): Likewise.
7931 (long_integer_type_node): Likewise.
7932 (long_unsigned_type_node): Likewise.
7933 (long_long_integer_type_node): Likewise.
7934 (long_long_unsigned_type_node): Likewise.
7935 * tree.c (integer_types): New variable.
7936 (init_obstacks): Register it as a root.
7938 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7940 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7941 NEXT_INSN. Update last insn in chain.
7943 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7945 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7946 with TYPE_DECL_SUPPRESS_DEBUG set.
7948 2000-03-18 Richard Henderson <rth@cygnus.com>
7950 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7952 2000-03-18 Richard Henderson <rth@cygnus.com>
7954 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7955 care for HALF_PIC_P.
7956 (expander_call_insn_operand): Remove.
7957 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7958 * i386.h (PREDICATE_CODES): Update.
7959 * i386.md (all call expanders): Remove predicates, remove special
7960 handling for half-pic.
7961 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7962 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7963 (sibcall_epilogue): New.
7965 2000-03-17 Richard Henderson <rth@cygnus.com>
7967 * rtlanal.c (single_set): Reject if the parallel has anything
7968 except SET or USE or CLOBBER.
7970 2000-03-17 Jeff Law <law@cygnus.com>
7971 Richard Henderson <rth@cygnus.com>
7973 * Makefile.in (OBJS): Add sibcall.o.
7975 * sibcall.c: New file.
7976 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7977 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7978 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7979 Emit sibcall patterns when requested. Update all callers.
7980 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7981 elimination seems feasable.
7982 * final.c (leaf_function_p): Sibling calls don't discount being
7984 * flow.c (HAVE_sibcall_epilogue): Provide default.
7985 (find_basic_blocks_1): Sibling calls don't throw.
7986 (make_edges): Make edge from sibling call to EXIT.
7987 (propagate_block): Don't remove sibcall_epilogue insns.
7988 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7989 (sibcall_epilogue): New.
7990 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7991 (identify_blocks_1): Likewise. Break out from ...
7992 (identify_blocks): ... here.
7993 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7994 (reorder_blocks): ... here.
7995 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7996 (record_insns): Extend a varray instead of mallocing new memory.
7997 (contains): Read a varray not array of ints.
7998 (sibcall_epilogue_contains): New.
7999 (thread_prologue_and_epilogue_insns): Emit and record
8000 sibcall_epilogue patterns.
8001 (init_function_once): Allocate prologue/epilogue varrays.
8002 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8003 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8005 (save_for_inline_nocopy): ... here.
8006 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8008 (expand_inline_function): ... here.
8009 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8010 (subst_constants): Handle 'n' formats.
8011 * jump.c (jump_optimize_minimal): New.
8012 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8013 optimizations if it's set.
8014 * rtl.c (copy_rtx): Do copy jump & call for insns.
8015 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8016 (SIBLING_CALL_P): New.
8017 (sibcall_use_t): New.
8018 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8019 Invoke optimize_sibling_and_tail_recursive_calls.
8020 * tree.c (lang_safe_for_unsave): New.
8021 (safe_for_unsave): New.
8022 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8024 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8025 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8026 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8028 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8030 * objc/objc-act.c (encode_method_prototype): Pass types, not
8031 PARM_DECLs, to int_size_in_bytes.
8033 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8035 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8037 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8038 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8040 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8042 * Clean up usages of TREE_INT_CST_LOW.
8043 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8044 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8046 * c-tree.h (min_precision): Move declaration to here.
8047 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8048 (build_unary_op, add_pending_init): Use bit_position.
8049 (pending_init_member, process_init_element): Likewise.
8050 (really_start_incremental_init, push_init_level, pop_init_level):
8051 Don't make copies of nodes or modify them in place, use consistent
8052 types when tracking positions, and use tree routines computations.
8053 (set_init_index, output_init_element): Likewise.
8054 (output_pending_init_elements, process_init_element): Likewise.
8055 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8056 tree_low_cst and int_bit_position; also minor cleanup.
8057 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8058 (print_cst_octal): Precision is unsigned.
8059 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8060 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8061 (simple_type_align_in_bits): Result is unsigned int.
8062 Use tree_int_low_cst and host_integerp.
8063 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8064 (field_byte_offset): Result is HOST_WIDE_INT.
8065 Change types of internal variables so alignments are unsigned int,
8066 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8067 Use host_integerp, tree_low_cst, and int_bit_position.
8068 (add_bit_offset_attribute): Likewise.
8069 (add_data_member_location_attribute): Use tree_cst_low.
8070 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8071 (add_bit_size_attribute): Use tree_low_cst.
8072 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8073 * dwarfout.c: Similar changes to dwarf2out.c.
8074 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8075 * genoutput.c (n_occurences): Return -1 for null string.
8076 (strip_whitespace): Accept null string and make into function.
8077 (scan_operands): Reflect above changes.
8078 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8079 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8080 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8081 * tree.c (int_size_in_bytes): Check for too big to represent.
8082 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8083 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8085 (min_precision): Delete from here.
8086 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8087 and int_bit_position.
8088 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8089 (encode_method_def): Likewise.
8090 (build_ivar_list_initializer): Use int_bit_position.
8091 (generate_shared_structures): Convert size.
8092 (encode_type, encode_complete_bitfield): Use integer_zerop.
8093 (encode_bitfield): Use tree_low_cst and int_bit_position.
8095 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8097 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8099 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8101 * call.c (special_function_p): It is only malloc if it returns
8104 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8106 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8107 (C33_FLAG, TARGET_C3X): Add macros.
8108 (TARGET_SWITCHES): Add -m33 option.
8109 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8111 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8113 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8114 (PARALLEL_PACK_FLAG): Delete.
8115 (TARGET_SWITCHES): Update.
8116 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8118 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8120 * fold-const.c (fold): Fix a few cases when the returned result
8121 is not of the same type as the input.
8123 2000-03-16 Nick Clifton <nickc@cygnus.com>
8125 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8128 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8130 * libgcc2.h: Move prototypes above macros with the same name.
8131 Wrap some function prototypes in the conditional which indicates
8132 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8134 2000-03-16 Richard Henderson <rth@cygnus.com>
8136 * calls.c: Revert last two changes.
8138 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8140 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8141 has exponent 0 is a zero.
8143 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8144 HASH may already be nonzero. Add code/mode into hash value
8145 immediately after repeat label.
8146 (cselib_lookup): Don't leave the hash table in an inconsistent
8147 state before a hash lookup operation.
8149 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8151 * i386.md (all HI and QI mode non-move patterns): Conditionize
8152 by TARGET_[HQ]IMODE_MATH.
8153 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8154 x86_promote_qi_regs): Declare.
8155 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8156 TARGET_PROMOTE_QI_REGS): New macros.
8157 (PROMOTE_MODE): New macro.
8158 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8159 x86_promote_qi_regs): New global variables.
8161 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8163 * calls.c (emit_library_call_value_1): Break out from ...; handle
8164 VOIDmode function calls too.
8165 (emit_library_call_value): ... here.
8166 (emit_library_call): Implement by calling emit_library_call_value_1.
8168 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8170 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8171 Update arg_space_so_far on stack adjustments.
8172 (emit_library_call, emit_library_call_value): Likewise; take into
8173 account arg_space_so_far and pending_stack_adjust when calculcating
8176 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8178 * flow.c: Move all basic block reordering code into its own file.
8179 (create_basic_block): Externalize.
8180 * bb-reorder.c: New file. Copy all basic block reordering code from
8181 flow.c to this file.
8182 (reorder_basic_blocks): Fix fencepost error in for-loop.
8183 (reorder_basic_blocks): Remove braces from single statement for-loops.
8184 * basic-block.h: Add declaration for create_basic_block.
8185 * Makefile.in: Add rules for bb-reorder.o.
8187 2000-03-16 Neil Booth <NeilB@earthling.net>
8189 * cppinit.c (handle_option): Implement #unassert directive
8190 as -A- command line option.
8191 (print_help): Update.
8192 * cpptexi.c: Update.
8194 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8196 * md.texi (Standard Names): Document `jump'.
8198 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8200 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8203 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8205 Merge changes from newppc-branch onto trunk.
8207 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8209 * rs6000.c (toc_hash_table): Update for new hash table functions.
8210 (toc_hash_function): Likewise.
8211 (toc_hash_eq): Likewise.
8212 (toc_hash_mark_entry): Likewise.
8213 (toc_hash_mark_table): Likewise.
8214 (output_toc): Likewise.
8215 (rs6000_add_gc_roots): Likewise.
8217 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8219 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8220 (AR_FLAGS_FOR_TARGET): here. New macro.
8222 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8224 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8225 fpmem_operand) Delete.
8227 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8228 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8229 (rs6000_save_machine_status, rs6000_restore_machine_status,
8230 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8231 references to above variables.
8232 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8233 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8234 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8235 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8236 (XER_REGNO_P, XER_REGNO): New.
8237 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8238 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8239 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8241 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8242 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8243 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8245 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8247 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8248 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8249 * rs6000.h: from here.
8251 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8252 (rs6000_select_rtx_section): Likewise.
8253 (rs6000_encode_section_info): Likewise.
8254 (sdata_section): Likewise.
8255 (sdata2_section): Likewise.
8256 (sbss_section): Likewise.
8257 * sysv4.h (rs6000_select_section): Delete prototype.
8258 (rs6000_select_rtx_section): Likewise.
8259 (rs6000_encode_section_info): Likewise.
8260 (sdata_section): Likewise.
8261 (sdata2_section): Likewise.
8262 (sbss_section): Likewise.
8263 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8265 * sysv4.h: Delete various unnecessary #undef's and put a comment
8266 on the remaining ones.
8267 Change various comments according to coding standard.
8269 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8271 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8272 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8273 (CR0_REGNO_P) Remove.
8274 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8275 setup_incoming_varargs, mtcrf_operation, print_operand,
8276 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8277 Use the above macros.
8279 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8281 * config/rs6000/rs6000.md: Added a new alternative for each
8282 pattern that had a 'x' alternative but no 'y' alternative.
8283 Added a new split for each of the above patterns.
8285 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8287 * aix41.h (ASM_CPU_SPEC): Delete.
8288 (CPP_CPU_SPEC): Delete.
8290 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8291 (ASM_OUTPUT_LABEL): Define.
8292 (ASM_GLOBALIZE_LABEL): Define.
8293 (STRIP_NAME_ENCODING): Define.
8294 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8295 (STRIP_NAME_ENCODING): Don't define.
8296 (ASM_OUTPUT_LABEL): Don't define.
8297 (ASM_GLOBALIZE_LABEL): Don't define.
8298 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8299 names, and ASM_OUTPUT_LABEL to output labels, rather than
8301 (ASM_OUTPUT_LABEL): Define.
8302 (ASM_OUTPUT_INT): Use assemble_name.
8303 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8304 (STRIP_NAME_ENCODING): Don't undefine first.
8305 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8307 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8308 specified with 'asm' even with -fleading-underscore.
8309 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8310 (output_epilog): Likewise.
8311 (output_toc): Likewise.
8312 * tramp.asm: Handle -fleading-underscore correctly.
8314 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8316 (nonlocal_goto_receiver): Delete.
8317 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8319 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8320 (SET_ASM_OP): Define.
8321 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8323 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8326 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8327 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8329 * rs6000.h: Add 'u' to more constants.
8331 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8333 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8335 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8337 * rs6000.c (reg_or_u_cint_operand): New function.
8338 (logical_operand): Handle 64-bit hosts.
8339 (logical_u_operand): New function.
8340 (non_logical_cint_operand): Handle 64-bit hosts.
8341 (non_logical_u_cint_operand): New function.
8342 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8343 (PREDICATE_CODES): Define new functions.
8344 * rs6000-protos.h: Declare new functions.
8345 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8346 (movdi_64): Bracket code intended for 64-bit hosts. Create
8347 CONST_DOUBLE for 32-bit values.
8348 (scc insns): Generate DImode compares.
8349 (mfcr insns): Create DImode versions.
8350 (sge matchers): New patterns.
8352 2000-02-15 Gabriel Paubert <paubert@iram.es>
8354 * rs6000.md: Correct instructions length attributes and
8355 constraints on unsigned compare instructions.
8356 (*ne0): Disable for PowerPC64.
8358 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8360 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8361 quantity, fix profile1.C test failure under -fPIC.
8363 * rs6000.c: Add 'u' to many constants to suppress warnings.
8364 (constant_pool_expr_1): Make static.
8365 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8366 * rs6000.h: Add 'u' to many constants to suppress warnings.
8368 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8369 for the start of the TOC, instead of LCTOC..0.
8370 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8372 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8373 (load_toc_aix_di): Use LCTOC..1.
8375 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8376 * rs6000.c (rs6000_legitimize_address): New function from
8377 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8378 symbols in the constant pool that really are TOC references.
8379 (print_operand_address): For ELF, write TOC offsets under
8380 -fPIC as subtractions in the insn.
8381 (output_toc): For ELF, define symbols in TOC as normal labels,
8383 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8384 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8385 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8386 * rs6000.md (movsi): Only use create_TOC_reference on
8387 symbols in the constant pool that really are TOC references.
8389 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8390 * rs6000.c (rs6000_reorg): Delete.
8391 * rs6000-protos.h (rs6000_reorg): Delete.
8393 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8395 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8397 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8398 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8399 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8400 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8401 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8402 rs6000_aix_emit_builtin_unwind_init.
8403 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8404 rs6000_emit_eh_toc_restore on AIX.
8405 (return_eh_si): Use r2.
8406 (return_eh_di): Use r2.
8408 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8409 since we're breaking binary compatibility anyway.
8411 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8413 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8414 constant_pool_expr_p): Declare them.
8415 (constant_pool_expr_p): Declare it.
8416 * config/rs6000/rs6000.c (toc_label_name): Define.
8417 (rs6000_override_options): Set toc_label_name.
8418 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8419 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8420 uses_TOC): New functions.
8421 (print_operand): Delete old '*' case.
8422 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8423 and strip off rtl for TOC before calling output_addr_const.
8424 (rs6000_emit_load_toc_table): Use toc_label_name.
8425 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8427 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8428 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8429 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8430 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8431 into explicit TOC_REGISTER offsets.
8432 (TOC_REGISTER): New macro.
8433 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8434 TARGET_TOC to reference TOC_REGISTER.
8435 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8436 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8437 uses_TOC before emitting label references.
8439 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8441 * rs6000.md (stack_tie): Fix warning.
8443 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8444 to handle -fleading-underscore.
8445 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8446 (USER_LABEL_PREFIX): New macro.
8447 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8448 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8449 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8450 call-linux can use the same multilibs.
8451 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8452 and call-linux multilibs. Do multilib with -fleading-underscore.
8453 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8454 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8457 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8458 have MASK_SOFT_FLOAT set.
8459 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8460 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8461 CPP_FLOAT_DEFAULT_SPEC.
8463 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8464 * rs6000.md: Whitespace change.
8465 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8466 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8468 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8470 * rs6000.md (eh_epilogue): New expander.
8471 (eh_reg_restore): New expand/split/insn combination.
8472 (return_eh_si): New insn.
8473 (return_eh_di): New insn.
8475 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8476 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8477 * eabi-ctors.c (__do_global_ctors): Register this object's
8478 frame. Clean up. Call atexit() after the constructors.
8479 (__do_global_dtors): Deregister this object's frame. Clean up.
8480 Allow for recursive calls to exit().
8481 * rs6000.c (fixuplabelno): New variable.
8482 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8483 TARGET_RELOCATABLE, it slows down exec() under linux.
8484 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8486 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8487 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8488 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8489 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8490 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8491 (ASM_OUTPUT_DWARF_ADDR): New macro.
8492 (ASM_OUTPUT_DWARF_DATA4): New macro.
8493 (ASM_OUTPUT_DWARF_DATA2): New macro.
8494 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8495 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8496 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8498 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8500 * rs6000.c (rs6000_sr_alias_set): New variable.
8501 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8502 (rs6000_emit_stack_tie): New function.
8503 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8504 in a way that dwarf2out can understand.
8505 (rs6000_frame_related): New function.
8506 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8507 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8508 Use rs6000_emit_stack_tie when needed.
8509 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8510 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8511 * rs6000.md (stack_tie): New insn.
8512 (return_internal_si): Allow return value to be in the count
8514 (return_internal_di): Likewise.
8516 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8518 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8520 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8522 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8524 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8526 * rs6000.md (stmw): Use the right POWER opcode.
8529 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8531 * rs6000-protos.h: New file.
8533 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8535 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8538 * sysv4.h: Likewise.
8540 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8542 * ../../configure.in: Delete powerpcle-*-winnt*
8543 and powerpcle-*-pe|powerpcle-*-cygwin*.
8544 * ../../configure: Regenerated.
8546 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8547 (TARGET_WINDOWS_NT): Delete.
8549 (CALL_NT_DLLIMPORT): Delete.
8550 Delete NT-specific code.
8551 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8554 * nt-ci.asm: Delete.
8555 * nt-cn.asm: Delete.
8556 * ntstack.asm: Delete.
8558 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8560 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8561 (ASM_FILE_START): Likewise.
8562 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8563 (ASM_OUTPUT_LABELREF): Likewise.
8564 (ASM_OUTPUT_SKIP): Likewise.
8565 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8566 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8567 (ASM_OUTPUT_CASE_LABEL): Likewise.
8568 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8569 (ASM_OUTPUT_ASCII): Likewise.
8571 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8573 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8574 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8575 increment rs6000_pic_labelno here.
8576 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8577 and increment rs6000_pic_labelno here.
8579 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8581 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8582 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8583 allocation knows (reg) is dead before the insn.
8585 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8587 * rs6000.md (movsi_to_cr): Correct typo in output template.
8589 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8591 * rs6000.c (rs6000_pic_labelno): Always define.
8592 (rs6000_pic_func_labelno): Delete.
8593 (lmw_operation): Check for a zero base register,
8594 which doesn't mean what we want.
8595 (stmw_operation): New function.
8596 (print_operand): Define new 'l' modifier.
8597 (rs6000_stack_info): We must save all 64 bits of the registers
8598 if TARGET_POWERPC64.
8599 (rs6000_output_load_toc_table): Delete.
8600 (rs6000_emit_load_toc_table): New function.
8601 (rs6000_allocate_stack_space): Delete.
8602 (rs6000_emit_allocate_stack): New function.
8603 (rs6000_emit_prologue): New function.
8604 (output_prolog): Use rs6000_emit_prologue.
8605 (rs6000_emit_epilogue): Change a few variable names to be
8606 more accurate. Restore all 64 bits of the registers if
8607 TARGET_POWERPC64. Only restore the FP registers which were used
8608 if they are being saved/restored one-at-a-time.
8609 (output_mi_thunk): Delete inefficient code generation.
8610 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8611 * rs6000.h: Declare rs6000_emit_load_toc_table,
8612 rs6000_allocate_stack_space, stmw_operation. Don't declare
8613 rs6000_output_load_toc_table.
8614 * rs6000.md (elf_high): Allow register 0, but discourage it
8616 (elf_low): Support loading into register 0.
8617 (load_toc_aix_si): New pattern.
8618 (load_toc_aix_di): New pattern.
8619 (load_toc_v4_pic_si): New pattern.
8620 (load_toc_v4_pic_di): New pattern.
8621 (load_toc_v4_PIC_1): New pattern.
8622 (load_toc_v4_PIC_1b): New pattern.
8623 (load_toc_v4_PIC_2): New pattern.
8624 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8625 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8626 (prologue): New expander.
8627 (movesi_from_cr): New pattern.
8628 (stmw): New pattern.
8629 (save_fpregs_si): New pattern.
8630 (save_fpregs_di): New pattern.
8632 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8634 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8639 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8641 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8643 (movsi_got_internal): Likewise.
8644 (movsi_got_internal+1): Likewise.
8645 (set_sp): 'unspec 7' does a SImode clobber.
8647 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8649 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8650 allocate a stack temporary.
8651 (floatsidf2_internal): Likewise.
8652 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8654 (floatunssidf2): Don't use the fpmem "register", just
8655 allocate a stack temporary.
8656 (floatunssidf2_internal): Likewise.
8657 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8659 (floatsidf2_loadaddr): Delete.
8660 (floatsidf2_store1): Delete.
8661 (floatsidf2_store2): Delete.
8662 (floatsidf2_load): Delete.
8663 (fix_truncdfsi2): Don't use the fpmem "register", just
8664 allocate a stack temporary.
8665 (fix_truncdfsi2_internal_si): Delete.
8666 (fix_truncdfsi2_internal_di): Delete.
8667 (fix_truncdfsi2_internal): New insn.
8668 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8669 (fix_truncdfsi2_store): Delete.
8670 (fix_truncdfsi2_load): Delete.
8671 (fctiwz): Produce gen_fctiwz.
8673 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8675 * eabi.h (INVOKE__main): Define.
8676 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8678 (rs6000_emit_prologue): Likewise.
8679 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8680 this is the main program.
8682 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8684 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8686 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8688 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8689 goes after the argument.
8691 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8693 * rs6000.md: Document 'unspec' values used.
8694 (epilogue): New expander.
8695 (movesi_to_cr_one): New expander.
8696 (movesi_to_cr and following): New pattern.
8698 (return_internal_si): New pattern.
8699 (return_internal_di): New pattern.
8700 (return_and_restore_fpregs_si): New pattern.
8701 (return_and_restore_fpregs_di): New pattern.
8702 * rs6000.h: Declare new functions.
8703 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8704 rather than rs6000_calls_p.
8705 (rs6000_makes_calls): Delete.
8706 (lmw_operation): New function.
8707 (mtcrf_operation): New function.
8708 (rs6000_emit_epilogue): New function.
8709 (output_epilog): Call rs6000_emit_epilogue and final if
8710 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8712 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8714 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8715 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8716 * aix.h (SUBTARGET_SWITCHES): Document switches.
8717 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8718 sched-prolog and sched-epilog the same. Document all the
8720 (TARGET_OPTIONS): No longer allow -mdebug-.
8722 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8724 * rs6000.h (ASM_FILE_END): Move to aix.h.
8725 (EXTRA_SECTIONS): Move to aix.h.
8726 (READONLY_DATA_SECTION): Move to aix.h.
8727 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8728 (SELECT_SECTION): Move to aix.h.
8729 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8730 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8731 (LINK_REGISTER_REGNUM): New definition.
8732 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8733 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8735 * sysv4.h: Delete the code between the inclusion of rs6000.h
8737 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8738 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8739 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8740 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8741 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8742 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8743 (fix_truncdfsi2_internal_di): New pattern.
8744 (fix_truncdfsi2_store): The second arg here is Pmode too.
8745 (fix_truncdfsi2_load): The second arg here is Pmode too.
8746 (tablejumpdi): Now that switch tables hold only SImode values,
8747 gcc needs to know how to add them to the pc which is DImode.
8748 * rs6000.c (rs6000_stack_info): Use symbolic name for
8749 LINK_REGISTER_REGNUM.
8750 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8751 (output_toc): Delete unused variables s1 and s2.
8752 (output_ascii): Use fputs not fprintf on a variable string.
8754 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8756 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8757 * aix43.h: Revert Aug 2 change.
8758 (HAS_INIT_SECTION): Define, not visible yet.
8759 (LD_INIT_SWITCH): Define, not visible yet.
8760 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8762 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8764 * config/rs6000/rtems.h: Include config/rtems.h.
8766 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8768 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8769 (SLOW_UNALIGNED_ACCESS): Define.
8770 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8771 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8772 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8773 (toc_section): Likewise and .toc pseudo-op.
8774 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8776 (TEXT_SECTION_ASM_OP): Likewise.
8777 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8780 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8782 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8783 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8786 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8788 * rs6000.h: Move more stuff from here...
8790 * sysv4.h: Cleanup accordingly.
8791 * netware.h: Likewise
8793 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8795 * rs6000.h: Continue cleanup.
8798 * netware.h: Likewise.
8800 * sysv4.h: Likewise.
8801 * win-nt.h: Likewise.
8803 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8804 (TARGET_OPTIONS): Likewise.
8806 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8807 (SUBTARGET_OPTIONS): Likewise.
8809 * rs6000.md: Fix compile time warnings.
8811 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8813 vxworks patches from the Cygnus tree originally by
8814 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8815 <vmakarov@cygnus.com>.
8816 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8817 (ENDFILE_SPEC): Likewise.
8818 (LIB_VXWORKS_SPEC): New macro.
8819 (STARTFILE_VXWORKS_SPEC): New macro.
8820 (ENDFILE_VXWORKS_SPEC): New macro.
8821 (LINK_START_VXWORKS_SPEC): New macro.
8822 (LINK_OS_VXWORKS_SPEC): New macro.
8823 (CPP_OS_VXWORKS_SPEC): New macro.
8824 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8825 * vxppc.h: Rewrite to use proper configuration method.
8826 * vxppcle.h: New file.
8827 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8828 * ../../configure: Rebuilt.
8830 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8832 Lots of changes to rs6000.h, sysv4.h, aix.h,
8833 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8834 with the aim that rs6000.h is the first header
8835 included and the others override it.
8838 * x-aix41-gld: Remove.
8840 * x-aix41: Remove target-specific switches, and don't specify
8841 -Wl,-bbigtoc as we don't need it any more.
8842 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8843 Use t-aix43 for AIX 4.3 and above.
8844 * ../../configure: Regenerated.
8846 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8847 options, that don't do anything yet.
8848 (MASK_SCHED_PROLOG): New macro.
8849 (MASK_SCHED_EPILOG): New macro.
8850 (TARGET_SCHED_PROLOG): New macro.
8851 (TARGET_SCHED_EPILOG): New macro.
8853 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8855 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8856 one per translation unit, not one per function.
8857 (output_toc): Also do duplicate constant elimination
8858 for per-translation-unit TOCs.
8860 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8861 a comment explaining _exactly_ when this pattern gets used.
8862 (builtin_setjmp_receiver): New pattern for better clarity.
8863 (init_v4_pic): Move it into a section dealing with TOC registers.
8865 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8867 * rs6000.c (toc_hash_table): New variable.
8868 (rs6000_hash_constant): New function.
8869 (toc_hash_function): New function.
8870 (toc_hash_eq): New function.
8871 (toc_hash_mark_entry): New function.
8872 (toc_hash_mark_table): New function.
8873 (output_toc): Don't output duplicate TOC entries in
8875 (rs6000_add_gc_roots): Add the hash table as a GC root.
8876 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8877 where they clearly shouldn't be. This may need to be fixed
8878 later when there is a GNU ar for AIX.
8879 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8880 Don't define BOOT_LDFLAGS as it is now not necessary.
8882 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8884 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8885 for va_list on AIX. Use unsigned_char_type_node rather than
8886 constructing our own version on svr4.
8888 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8890 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8891 since patently it's not.
8893 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8895 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8896 define_expand/define_insn pair, and handle restore of the
8897 SVR4 -fpic register.
8899 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8901 * acconfig.h (HAVE_GAS_WEAK): New define.
8902 * configure.in (assembler weak support): Check for .weak support.
8903 * config.in, configure: Rebuilt.
8904 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8905 HAVE_GAS_WEAK is defined.
8907 2000-03-15 Nick Clifton <nickc@cygnus.com>
8909 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8912 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8914 * cppfiles.c (open_include_file): New function.
8915 (find_include_file, cpp_read_file): Use it.
8917 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8919 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8921 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8923 * flow.c (verify_flow_info): Check for unconditional return.
8925 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8927 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8928 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8929 (__ia64_restore_stack_nonlocal): New.
8930 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8932 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8934 * cpphash.c (collect_formal_parameters): Do not complain about
8935 parameter names that just start with `__VA_ARGS__'.
8937 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8939 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8940 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8941 * i386.c (pentiumpro_cost): Set mul cost to 4.
8942 (x86_use_movx): Set for PPro.
8944 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8946 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8947 STACK_BOUNDARY for empty frames now.
8949 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8951 * stor-layout.c (layout_union): Remove.
8952 (layout_union_field): New function, split out from layout_union.
8953 (finish_union_layout): Likewise.
8954 (layout_field): Handle unions by calling layout_union_field.
8955 (finish_record_layout): Handle unions.
8956 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8957 QUAL_UNION_TYPE handling.
8959 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8961 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8962 end of basic block is jump_insn, not barrier; use create_basic_block
8963 instead of creating basic block by hand.
8965 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8967 * flow.c (reorder_basic_blocks): Account for barriers when writing
8968 over NEXT_INSN (last_bb->end).
8969 (verify_flow_info): Add check for missing barriers.
8971 2000-03-14 Greg McGary <gkm@gnu.org>
8973 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8974 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8975 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8976 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8977 __unbounded, __unbounded__): New keywords.
8978 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8979 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8980 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8982 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8984 * cselib.h: New file.
8985 * alias.c: Include "cselib.h".
8986 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8987 MEMs as two new arguments.
8988 (get_addr): New static function.
8989 (find_base_term): Handle VALUEs.
8990 (memrefs_conflict_p): Likewise.
8991 (true_dependence): Call get_addr on the addresses.
8992 Call fixed_scalar_and_varying_struct_p with addresses that have been
8993 passed through get_addr and canon_rtx.
8994 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8995 with true_dependence.
8996 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8997 * loop.c: Include "cselib.h".
8998 (load_mems): Process extended basic block that enters the loop with
8999 cselib. Use that information to change initialization of the shadow
9000 register so that a constant equivalence is seen by later passes.
9001 * reload1.c: Include "cselib.h".
9002 (reload_cse_invalidate_regno): Delete function.
9003 (reload_cse_mem_conflict_p): Likewise.
9004 (reload_cse_invalidate_mem): Likewise.
9005 (reload_cse_invalidate_rtx): Likewise.
9006 (reload_cse_regno_equal_p): Likewise.
9007 (reload_cse_check_clobber): Likewise.
9008 (reload_cse_record_set): Likewise.
9009 (reg_values): Delete static variable.
9010 (invalidate_regno_rtx): Likewise.
9011 (reload_cse_delete_noop_set): New static function.
9012 (reload_cse_simplify): New static function, broken out of
9014 (reload_cse_noop_set_p): Delete unused argument INSN.
9015 Just call rtx_equal_for_cselib_p on set source and destination.
9016 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9017 reload_cse_delete_noop_set. Delete code to keep track of values; use
9018 cselib functions instead. Delete code to push/pop obstacks.
9019 (reload_cse_simplify_set): Use cselib to find equivalent values.
9020 Delete code to push/pop obstacks.
9021 (reload_cse_simplify_operands): Likewise.
9022 * rtl.def (VALUE): New rtx code.
9023 * rtl.h (union rtunion_def): New elt rt_cselib.
9024 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9025 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9026 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9027 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9028 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9029 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9030 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9031 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9032 cselib_record_set, cselib_record_sets): New static functions.
9033 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9034 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9035 references_value_p): New functions.
9036 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9037 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9038 n_useless_values, reg_values, callmem, cselib_obstack,
9039 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9040 New static variables.
9041 * varray.h (union varray_data_tag): New elt te.
9042 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9043 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9046 2000-03-14 Nick Clifton <nickc@cygnus.com>
9048 * gcc.c (do_spec_1): Catch the case where %* is used in a
9049 substitution pattern, but it has not been initialised.
9050 Issue a meaningful error message if an unrecognised operator
9051 is encountered in a spec string.
9053 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9055 * function.c (prepare_function_start): Correctly initialize
9056 cfun->stack_alignment_needed.
9058 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9060 * cppfiles.c (find_include_file): Don't assume nshort is a
9063 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9065 * configure.in (hppa configurations): Add pa32-regs.h to the
9066 list of tm files as appropriate.
9067 * configure: Rebuilt.
9068 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9070 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9071 (fmpyaddoperands, fmpysuboperands): Likewise.
9072 * pa.h: Remove various definitions which depend on knowing
9073 how registers are numbered.
9074 * pa32-regs.h: New file with PA32 register numbering specific
9077 2000-03-14 Richard Henderson <rth@cygnus.com>
9079 * regmove.c (combine_stack_adjustments): New.
9080 (stack_memref_p, single_set_for_csa): New.
9081 (free_csa_memlist, record_one_stack_memref): New.
9082 (try_apply_stack_adjustment): New.
9083 (combine_stack_adjustments_for_block): New.
9084 * rtl.h (combine_stack_adjustments): Declare.
9085 * toplev.c (rest_of_compilation): Call it.
9087 * i386.md: Revert 2000-01-16 change.
9089 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9091 * gccbug.in: Add web category, gcc specific classes.
9093 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9095 * stor-layout.c (finalize_record_size): Fix typo.
9097 2000-03-14 Stan Shebs <shebs@apple.com>
9099 * c-typeck.c (c_alignof): Error on incomplete types.
9100 * extend.texi (Alignment): Document this.
9102 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9104 * cppfiles.c: Include mkdeps.h.
9105 (find_include_file, read_include_file): Remove _cpp_ prefix
9106 from name, make static.
9107 (_cpp_execute_include): New function, broken out of
9110 * cpplib.c: Don't include mkdeps.h.
9111 (struct directive): Remove type field. Reorder entries. The
9112 function takes only one argument.
9113 (struct if_stack): Make type field an int.
9114 (directive_table): Rename to dtable. Generate it, the
9115 prototypes of the directive handlers, and the enum for the
9116 directive numbers, from a template macro.
9117 (do_ifndef, do_include_next, do_import): New functions.
9118 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9119 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9120 do_ident, do_assert, do_unassert, do_sccs): Take only one
9122 (do_sccs): Define always, but alter behavior based on
9124 (_cpp_handle_directive, consider_directive_while_skipping):
9125 Restructure for new directive table layout.
9127 (pass_thru_directive): Take a directive number, not a pointer
9128 to a struct directive.
9129 (parse_include): New function, broken out of do_include.
9130 (do_include, do_import, do_include_next): Use parse_include
9131 and _cpp_execute_include.
9132 (do_elif, do_else): Test for T_ELSE specifically when checking
9133 for #elif/#else after #else.
9134 (parse_ifdef): New function, broken out of do_ifdef.
9135 (validate_else): Expect a name arg without a leading #.
9136 (if_directive_name): Delete.
9137 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9138 directive handlers with only one argument.
9140 * cpphash.h: Update prototypes.
9141 (enum node_type): Remove entries for directives.
9142 * Makefile.in: Update dependencies.
9144 * cpphash.c (dump_hash_helper): Only dump nodes of type
9145 T_MACRO. Emit a newline after each definition.
9147 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9149 * gccbug.in: New file.
9150 * configure.in (all_outputs): Add gccbug.
9151 * Makefile.in (install-common): Install gccbug.
9152 (GCCBUG_INSTALL_NAME): New variable.
9153 * configure: Rebuilt.
9155 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9157 * function.c (put_var_into_stack): Use type_for_mode to calculate
9158 part_type. Use MEM_SET_IN_STRUCT_P.
9159 * expr.c (store_field): Handle CONCAT.
9160 (store_constructor): Use fields_length.
9161 * tree.c (fields_length): New fn.
9162 * tree.h: Declare it.
9164 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9166 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9167 (cpplex.o): New target.
9168 * po/POTFILES.in: Add cpplex.c.
9170 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9171 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9172 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9173 skip_block_comment, skip_line_comment, skip_comment,
9174 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9175 _cpp_parse_name, skip_string, parse_string,
9176 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9177 _cpp_get_directive_token, find_position,
9178 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9179 (maybe_macroexpand, _cpp_lex_token): New functions.
9181 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9182 parse_goto_mark): Delete.
9183 (_cpp_handle_eof): New function.
9184 (_cpp_handle_directive): Rename from handle_directive.
9185 (_cpp_output_line_command): Rename from output_line_command.
9186 (do_if, do_elif): Call _cpp_parse_expr directly.
9187 * cppfiles.c (_cpp_read_include_file): Don't call
9188 init_input_buffer here.
9189 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9190 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9191 here; pop the token_buffer and skip the rest of the line here.
9192 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9195 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9197 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9198 CPP_GOTO_MARK): New macros.
9199 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9200 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9201 _cpp_read_and_prescan, _cpp_init_input_buffer,
9202 _cpp_grow_token_buffer, _cpp_get_directive_token,
9203 _cpp_handle_directive, _cpp_handle_eof,
9204 _cpp_output_line_command): Prototype them here.
9205 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9206 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9207 quote_string, output_line_command): Remove.
9209 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9211 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9212 whether it is too large we must also verify that it isn't negative.
9214 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9216 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9217 (movsi_zero_liveg0): Remove.
9218 (movsf_insn_novis_liveg0): Remove.
9220 (negsi2_not_liveg0): Rename to negsi2.
9221 (one_cmplsi2): Remove.
9222 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9223 (one_cmplsi2_liveg0): Remove.
9224 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9225 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9226 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9227 (PREDICATE_CODES): Remove zero_operand.
9228 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9229 TARGET_BROKEN_SAVERESTORE.
9230 (zero_operand): Remove.
9231 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9232 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9234 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9235 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9236 TARGET_BROKEN_SAVERESTORE): Remove.
9237 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9239 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9241 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9244 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9246 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9248 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9249 truncating a string. Don't assume tokens are nul terminated.
9250 Problem noted by Andreas Jaeger <aj@suse.de>
9252 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9254 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9255 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9256 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9258 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9260 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9261 STRUCTURE_SIZE_BOUNDARY.
9263 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9265 * tree.h (record_layout_info_s): New structure.
9266 (record_layout_info): New type.
9267 (new_record_layout_info): New function.
9268 (layout_field): Likewise.
9269 (finish_record_layout): Likewise.
9270 * stor-layout.c (layout_record): Remove.
9271 (new_record_layout_info): New function.
9272 (layout_field): New function, broken out from layout_record.
9273 (finalize_record_size): Likewise.
9274 (compute_record_mode): Likewise.
9275 (finalize_type_size): New function, broken out from layout_type.
9276 (finish_record_layout): Likewise.
9277 (layout_type): Use them.
9279 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9281 * cpphash.c: Don't include version.h.
9282 (special_symbol) [case T_VERSION]: Look for the string in
9283 hp->value.cpval; don't use version_string.
9284 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9285 __VERSION__ to version_string.
9286 * Makefile.in (cpphash.o): Update deps.
9288 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9290 Convert cpplib to use libiberty/hashtab.c.
9292 * cpplib.h (struct cpp_reader): Make hashtab and
9293 all_include_files of type 'struct htab *'. Delete HASHSIZE
9294 and ALL_INCLUDE_HASHSIZE macros.
9296 * cpphash.h: Update prototypes.
9297 (struct hashnode): Remove next, prev, and bucket_hdr members.
9298 Make length a size_t. Add hash member.
9299 (struct ihash): Remove next member. Add hash member. Make
9300 name a flexible array member.
9302 * cppfiles.c: Include hashtab.h.
9303 (include_hash): Delete.
9304 (IHASHSIZE): New macro.
9305 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9306 (cpp_included): Do the hash lookup here.
9307 (_cpp_find_include_file): Rewrite.
9308 (cpp_read_file): Put the "fake" hash entry into the hash
9309 table. Honor the control_macro, if it turns out we've seen
9310 the file before. Don't push the buffer here.
9311 (_cpp_read_include_file): Push the buffer here.
9312 (OMODES): New macro. Use it whenever we call open(2).
9314 * cpphash.c: Include hashtab.h.
9315 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9316 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9317 _cpp_lookup_slot): New functions.
9318 (HASHSIZE): new macro.
9319 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9320 (_cpp_lookup): Use hashtab.h routines.
9322 * cppinit.c: Include hashtab.h.
9323 (cpp_reader_init): Call _cpp_init_macro_hash and
9324 _cpp_init_include_hash. Don't allocate hashtab directly.
9325 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9326 pfile->all_include_files.
9327 (initialize_builtins): Use _cpp_make_hashnode and
9328 htab_find_slot to add hash entries.
9329 (cpp_finish): Just call _cpp_dump_macro_hash.
9330 * cpplib.c: Include hashtab.h.
9331 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9332 create hash entries.
9333 (do_pragma_poison, do_assert): Likewise.
9334 (do_include): Don't push the buffer here. Don't increment
9335 system_include_depth unless _cpp_read_include_file succeeds.
9336 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9338 (do_pragma_implementation): Use alloca to create copy.
9340 * Makefile.in: Update dependencies.
9342 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9344 * cppinit.c (cl_directive_handler): More K&R fixing.
9346 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9348 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9350 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9352 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9354 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9355 Change from char[] to macros.
9357 2000-03-12 Neil Booth <NeilB@earthling.net>
9359 * cppinit.c (cpp_start_read): Update indirect function
9362 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9364 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9367 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9368 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9370 2000-03-11 Neil Booth <NeilB@earthling.net>
9372 * cppinit.c (struct pending option): Replace undef with a
9373 pointer to a directive handling routine.
9374 (struct cpp_pending): Replace separate assert_ and define_
9375 lists with one directive_ list.
9376 (new_pending_define): Rename new_pending_directive. Extra
9377 argument is the directive's handling routine.
9378 (handle_option): Update to use new_pending_directive.
9380 2000-03-11 Neil Booth <NeilB@earthling.net>
9382 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9383 remap_filename, _cpp_read_include_file, actual_directory,
9384 hack_vms_include_specification): Replace bcopy(), index() etc
9385 calls. Add casts to some allocations. Make some variables
9386 pointers to const [unsigned] char.
9387 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9388 collect_formal_parameters): Similarly.
9389 * cppinit.c (struct pending_option, append_include_chain,
9390 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9391 cpp_start_read, new_pending_define, handle_option): Similarly.
9392 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9393 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9394 do_pragma_implementation, detect_if_not_defined,
9395 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9396 do_assert, do_unassert): Similarly.
9397 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9398 function prototypes.
9399 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9401 2000-03-10 Richard Henderson <rth@cygnus.com>
9403 * builtins.c (expand_builtin_strlen): Revert last change.
9404 Use emit_insn_before if we're at the beginning of a sequence.
9406 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9408 * builtins.c (expand_builtin_strlen): Make sure that we have something
9409 at the beginning of the sequence.
9411 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9414 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9416 2000-03-10 Richard Henderson <rth@cygnus.com>
9418 * except.c (can_throw): Use INTVAL on a CONST_INT.
9419 (reachable_handlers): Likewise.
9420 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9422 2000-03-10 Andreas Jaeger <aj@suse.de>
9424 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9425 MD_STARTFILE_PREFIX since those are not needed on linux.
9426 (ASM_FILE_START): New, from mips/gnu.h.
9428 2000-03-09 Richard Henderson <rth@cygnus.com>
9429 Alex Samuel <samuel@codesourcery.com> and others
9431 * Makefile.in (ssa.o): New rule.
9433 (STAGESTUFF): Add *.ssa and *.ussa.
9434 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9435 * rtl.def (PHI): New RTL expression.
9436 * rtl.h (clear_log_links): New declaration.
9437 (convert_to_ssa): Likewise.
9438 (convert_from_ssa): Likewise.
9439 * flow.c (split_edge): If the entry node falls through to the
9440 split edge's source block, split the entry edge.
9441 (clear_log_links): New function.
9442 * toplev.c (ssa_dump): New variable.
9443 (flag_ssa): Likewise.
9444 (f_options): Add "ssa".
9445 (compile_file): Create SSA dump files.
9446 (rest_of_compilation): Go to and from SSA if enabled.
9447 (decide_d_option): Handle -de for SSA dump files.
9450 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9452 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9455 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9457 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9459 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9461 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9462 (MD_STARTFILE_PREFIX_1): New macro.
9464 2000-03-09 Robert Lipe <robertl@sco.com>
9466 * config/ia64/ia64.c: Include system.h.
9468 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9470 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9471 (init_eh_nesting_info): Likewise.
9473 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9474 (TREE_NOTHROW): Rename from TREE_RAISES.
9475 * toplev.c (rest_of_compilation): Set it.
9476 * print-tree.c (print_node): Adjust.
9477 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9478 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9479 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9480 REG_EH_REGION note as appropriate.
9481 (libfunc_nothrow): New fn.
9482 (emit_library_call, emit_library_call_value): Use it.
9483 (expand_call): Check TREE_NOTHROW.
9485 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9486 DECL_ASSEMBLER_NAME.
9488 2000-03-09 Andreas Jaeger <aj@suse.de>
9490 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9491 (TARGET_MEM_FUNCTIONS): Define.
9493 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9495 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9497 * except.c (can_throw): See through a SEQUENCE.
9498 (nothrow_function_p): New fn.
9499 * except.h: Declare it.
9500 * function.c (current_function_nothrow): New var.
9501 (prepare_function_start): Initialize it.
9502 * output.h: Declare it.
9503 * toplev.c (rest_of_compilation): Set it.
9504 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9506 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9508 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9509 match. (cpp_compare_defs): Count the nul separator when
9510 advancing over argument names.
9512 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9514 * recog.c (preprocess_constraints): Matching constraints affect
9515 same alternative/different operand, not same operand/different
9518 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9519 register and a constant specially.
9521 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9523 * libgcc2.h: New file.
9524 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9526 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9528 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9529 * configure: Regenerate.
9532 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9534 * Makefile.in (LIBCPP_DEPS): New macro.
9535 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9537 * cpperror.c: Include cpphash.h.
9538 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9540 (lex): Don't use CPP_WARN_UNDEF.
9541 (_cpp_parse_expr): Return an int, the truth value.
9542 * cppfiles.c: Include cpphash.h.
9543 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9544 * cppinit.c (include_defaults_array): Disentangle.
9545 (cpp_cleanup): Don't free the if stack here.
9546 (cpp_finish): Pop off all buffers, not just one.
9547 * cpplib.c (eval_if_expr): Return int.
9548 (do_xifdef): Rename do_ifdef.
9549 (handle_directive): Don't use CPP_PREPROCESSED.
9550 (cpp_get_token): Don't use CPP_C89.
9551 * fix-header.c: Don't use CPP_OPTIONS.
9553 * cpplib.h: Move U_CHAR, enum node_type, struct
9554 file_name_list, struct ihash, is_idchar, is_idstart,
9555 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9556 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9557 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9558 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9559 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9560 of _cpp_simplify_pathname, _cpp_find_include_file,
9561 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9562 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9564 Change all uses of U_CHAR to be unsigned char instead.
9565 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9567 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9569 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9570 (dwarf2out_begin_prologue): Set it.
9571 (output_call_frame_info): Don't emit EH unwind info for leaves.
9573 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9574 can occur outside of an EH region.
9575 * except.c: Correct comments about rethrow behavior.
9576 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9578 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9580 * flow.c (make_edges): Always call make_eh_edge for calls.
9582 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9584 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9585 (struct cpp_buffer): Remove fname and underflow fields.
9586 (struct cpp_reader): Remove get_token field.
9587 (struct include_hash): Rename to struct ihash. Add typedef to
9589 (struct if_stack): Remove fname field.
9590 (IF_STACK_FRAME): Rename to IF_STACK.
9592 * cpperror.c (print_containing_files): Trust that there are no
9593 macro buffers below the top file buffer.
9594 * cppfiles.c: Replace all references to 'struct include_hash'
9595 with 'IHASH'. Rename initialize_input_buffer to
9596 init_input_buffer. Don't set or reference cpp_buffer->fname,
9597 use buffer->ihash->name instead.
9598 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9599 not CPP_NULL_BUFFER.
9600 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9601 IF_STACK_FRAME, IHASH not struct include_hash.
9602 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9603 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9604 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9605 references to cpp_buffer->fname (delete entirely, or use
9606 ->ihash->name instead) and IF_STACK->fname.
9607 (cpp_push_buffer): Don't set new->underflow.
9608 (do_include): Use cpp_file_buffer.
9610 * cpphash.c (collect_formal_parameters): Remove duplicate
9611 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9612 used as a macro argument name. Don't append "..." to namebuf
9613 for varargs macros. After we're done scanning, go through
9614 namebuf and make it NUL separated, not comma separated.
9615 (_cpp_compare_defs): Remove register tag from variables.
9616 Expect defn->argnames to be NUL separated.
9617 (_cpp_dump_definition): Expect defn->argnames to be NUL
9618 separated and in forward order.
9619 * cpphash.h: Update documentation of argnames field.
9621 2000-03-08 Richard Henderson <rth@cygnus.com>
9623 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9624 to fail. Don't pre-expand the source operand.
9626 * i386.md (strlensi): Initialize eoschar and align before use.
9628 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9630 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9631 CONSTRUCTOR element.
9633 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9635 * mips.c (mips_expand_prologue): If the last
9636 named argument is the vararg marker "va_list", treat it as
9637 an unnamed argument.
9639 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9641 * dbxout.c (dbxout_parms): When correcting for promoted
9642 big-endian parameters, use the mode of the DECL_RTL rather
9643 than UNITS_PER_WORD.
9645 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9647 * c-common.h (make_fname_decl): Declare.
9648 * c-common.c (make_fname_decl): Define.
9649 (declare_hidden_char_array): Remove.
9650 (declare_function_name): Use make_fname_decl.
9651 * c-decl.c (c_make_fname_decl): New function.
9652 (init_decl_processing): Set make_fname_decl.
9654 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9656 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9658 2000-03-07 Philipp Thomas <pthomas@suse.de>
9660 * po/POTFILES.in: Remove cppalloc.c from file list.
9662 2000-03-07 Steve Chamberlain <sac@pobox.com>
9664 * pj.c (pj_expand_prologue): current_function->args_info is
9665 now current_function_args_info.
9667 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9668 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9669 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9671 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9673 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9674 output as hexadecimal rather than the default octal.
9676 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9678 * cpphash.c (special_symbol): Fix thinko in previous commit.
9680 2000-03-07 Neil Booth <NeilB@earthling.net>
9682 * cppexp.c (struct operation, left_shift, right_shift,
9683 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9684 "int"s to "unsigned int"s.
9685 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9687 * cpplib.h: Update for above.
9688 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9689 returned from allocations.
9691 * cppinit.c (opt_comp, parse_options): New functions.
9692 (handle_option): Use parse_option to parse a single command
9693 line option, that possibly takes an argument.
9694 (cpp_handle_options): Sort the array of command line options on
9695 first invocation (non-ASCII hosts only).
9696 (print_help): Update.
9698 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9700 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9701 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9703 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9705 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9707 * cpperror.c (cpp_print_containing_files,
9708 cpp_print_file_and_line, v_cpp_message): Rename to
9709 print_containing_files, print_file_and_line, and v_message.
9710 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9711 to _cpp_parse_expr, parse_escape, and lex.
9712 (parse_charconst): Remove broken multibyte support.
9713 * cppfiles.c (include_hash): Make static.
9714 (cpp_included): New function.
9715 (merge_include_chains, find_include_file, finclude,
9716 simplify_pathname): Rename to _cpp_merge_include_chains,
9717 _cpp_find_include_file, _cpp_read_include_file, and
9718 _cpp_simplify_pathname.
9719 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9720 cpp_install, create_definition, macroexpand, compare_defs,
9721 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9722 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9723 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9724 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9726 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9728 * cpphash.h: Update prototypes.
9729 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9731 2000-03-07 Andrew Haley <aph@cygnus.com>
9733 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9734 PTRDIFF_TYPE should be based solely on Pmode.
9737 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9739 * rtl.h (rtunion_def): Constify member `rtstr'.
9740 (emit_line_note_after, emit_line_note, emit_line_note_force,
9741 emit_note, decode_asm_operands): Constify.
9743 * cse.c (canon_hash): Likewise.
9745 * dbxout.c (dbxout_block): Likewise.
9747 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9748 v_warning_for_asm): Likewise.
9750 * dwarfout.c (function_start_label): Likewise.
9752 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9753 emit_line_note_force): Likewise.
9755 * final.c (last_filename, asm_insn_count, final_scan_insn,
9756 output_source_line): Likewise.
9758 * function.h (struct emit_status): Likewise.
9760 * gcse.c (hash_expr_1): Likewise.
9762 * genattr.c (gen_attr, main): Likewise.
9764 * genattrtab.c (struct function_unit, current_alternative_string,
9765 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9766 attr_numeral, check_attr_test, check_attr_value,
9767 convert_set_attr_alternative, convert_set_attr,
9768 compute_alternative_mask, simplify_by_exploding, gen_attr,
9769 gen_unit): Likewise.
9771 * genflags.c (gen_insn): Likewise.
9773 * gengenrtl.c (type_from_format): Likewise.
9775 * genopinit.c (gen_insn): Likewise.
9777 * genoutput.c (n_occurrences, process_template, process_template):
9780 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9783 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9786 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9787 ggc_set_mark, ggc_get_size): Likewise.
9789 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9791 * optabs.c (init_one_libfunc): Likewise.
9793 * output.h (assemble_start_function): Likewise.
9795 * recog.c (decode_asm_operands): Likewise.
9797 * toplev.c (rest_of_compilation): Likewise.
9799 * tree.h (emit_line_note_after, emit_line_note,
9800 emit_line_note_force): Likewise.
9802 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9803 asm_emit_uninitialised, assemble_start_function,
9804 assemble_variable, const_hash, compare_constant_1,
9805 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9807 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9809 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9811 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9813 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9815 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9816 arm_dllimport_name_p): Likewise.
9818 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9821 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9823 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9825 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9826 arm_mark_dllexport, arm_mark_dllimport,
9827 arm_pe_encode_section_info): Likewise.
9829 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9830 ASM_FINISH_DECLARE_OBJECT): Likewise.
9832 * arm/thumb.c (thumb_function_prologue): Likewise.
9834 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9836 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9838 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9840 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9842 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9844 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9846 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9847 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9849 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9851 * i386/i386.c (asm_output_function_prefix): Likewise.
9853 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9855 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9857 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9859 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9860 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9861 ASM_OUTPUT_SECTION_NAME): Likewise.
9863 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9865 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9867 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9869 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9871 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9873 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9875 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9877 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9879 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9881 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9883 * mips/mips.md (movdi, movsi): Likewise.
9885 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9887 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9889 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9891 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9892 ASM_OUTPUT_ASCII): Likewise.
9894 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9895 output_mi_thunk, output_toc): Likewise.
9897 * rs6000/rs6000.md (movsi): Likewise.
9899 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9901 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9903 * v850/v850.c (print_operand, print_operand_address,
9904 v850_encode_data_area): Likewise.
9906 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9908 * config/mips/mips.md (zero_extendsidi2): Always force operand
9909 one to memory for mips16.
9911 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9913 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9914 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9915 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9916 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9917 (min_precision): Result is unsigned.
9918 (add_double, neg_double, mul_double): Low word is unsigned.
9919 (lshift_double, rshift_double, lrotate_double): Likewise.
9920 (rrotate_double, div_and_round_double): Likewise.
9921 (tree_floor_log2, compare_tree_int): New functions.
9922 (preserve_rtl_expr_temps): New declaration.
9923 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9924 (decl_attributes): Use tree_log2 to find alignment.
9925 Check for TREE_INT_CST_HIGH for format args.
9926 (min_precision): Now unsigned.
9927 Use tree_floor_log2.
9928 (truthvalue_conversion): Delete long-disabled code.
9929 * c-decl.c (finish_struct): Clean up tests on field width.
9930 (finish_function): Use compare_tree_int.
9931 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9932 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9933 (default_conversion, digest_init): Use compare_tree_int.
9934 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9935 Fix type errors in forming masks.
9936 * calls.c (initialize_argument_information): Use compare_tree_int.
9937 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9938 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9939 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9940 (store_field): Use compare_tree_int.
9941 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9942 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9943 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9944 (do_store_flag): Use compare_tree_int.
9945 * fold-const.c (encode, decode): Low part is always unsigned.
9946 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9947 (lshift_double, rshift_double, lrotate_double): Likewise.
9948 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9949 (fold_convert): Use compare_tree_int.
9950 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9951 (invert_truthvalue, case INTEGER_CST): Likewise.
9952 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9953 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9954 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9955 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9957 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9958 (expand_end_case): Use compare_tree_int.
9959 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9960 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9961 (layout_decl): Likewise.
9962 (layout_record, layout_union): Make sizes unsigned.
9963 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9964 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9965 * tree.c (struct type_hash): hashcode is unsigned.
9966 (build_type_attribute_variant, type_hash_list): Likewise.
9967 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9968 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9969 (build_complex_type): Likewise.
9970 (real_value_from_int_cst): Remove unneeded casts.
9971 (integer_all_onesp): Add casts.
9972 (tree_floor_log2, compare_tree_int): New functions.
9973 (build_index_type): Use tree_int_cst_sgn.
9974 * varasm.c (assemble_variable): Use compare_tree_int.
9976 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9978 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9980 * varasm.c (make_decl_rtl): Don't add a number to members of
9982 (make_function_rtl): Likewise.
9984 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9986 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9987 patch from 2000-01-28.
9989 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9991 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9992 filled with an insn from the jump target.
9994 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9996 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9997 (c4x_external_ref): Likewise.
9998 * config/c4x/c4x.c (struct name_list): Likewise.
10000 1999-12-16 Ben Collins <bcollins@debian.org>
10002 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10003 argument to genmultilib.
10004 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10005 the contents into the multilib.h header.
10006 * gcc.c: Declare multilib_exclusions for the specs file.
10007 (set_multilib_dir): Use it.
10008 (print_multilib_info): Likewise.
10009 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10010 to pass to genmultilib.
10012 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10014 * builtins.c (built_in_class_names, built_in_names): Constify a
10017 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10019 (_mcleanup): Ensure value matches format specifier in sprintf.
10021 * cpphash.c (special_symbol): Don't needlessly cast away
10024 * cppinit.c (base_name): Delete unused prototype.
10026 * mkdeps.c (deps_init): Make definition K&R safe.
10028 * tree.h (built_in_class_names, built_in_names): Constify a
10031 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10033 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10034 floating point instructions for epilogue delay.
10036 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10037 to gas if it supports .register pseudo.
10039 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10040 LONG_DOUBLE_TYPE_SIZE if not defined.
10041 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10042 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10043 * real.c: Likewise.
10044 * gengenrtl.c: Likewise.
10045 * print-rtl.c: Likewise.
10047 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10048 MASK_LONG_DOUBLE_128.
10049 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10050 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10051 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10052 (SUBTARGET_SWITCHES): Define.
10053 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10054 with -mlong-double-128.
10055 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10056 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10057 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10058 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10059 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10060 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10061 with -mlong-double-128.
10062 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10063 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10064 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10065 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10066 TARGET_LONG_DOUBLE_128): Define.
10067 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10068 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10069 long double on TARGET_ARCH64.
10071 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10073 * function.c (free_temps_for_rtl_expr): Don't free slots
10074 that have been pushed into a higher level.
10077 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10079 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10081 * basic-block.h (ALLOCA_REG_SET): Remove.
10082 (INITIALIZE_REG_SET): New macro.
10083 * flow.c (update_life_info): Use it.
10084 (calculate_global_regs_live): Likewise.
10085 (propagate_block): Likewise.
10086 * global.c (build_insn_chain): Likewise.
10087 * haifa-sched.c (schedule_region): Likewise.
10089 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10091 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10092 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10093 (DWARF_ARANGES_PAD_SIZE): New define.
10094 (output_aranges): Use it to pad the address range header.
10095 (DWARF_ROUND): Fix for non power of 2 rounding.
10097 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10099 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10101 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10103 * tree.def (RTL_EXPR): Update documentation.
10104 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10105 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10106 * function.c (preserve_rtl_expr_temp): New function.
10107 (preserve_rtl_expr_temps): Likewise.
10108 (preserve_rtl_expr_result): Use it.
10111 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10113 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10115 * regmove.c (copy_src_to_dest) Do not create src->dest move
10116 for unchanging destination.
10118 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10120 * function.h (struct sequence_stack): Remove rtl_expr.
10121 (struct emit_staus): Likewise.
10122 (seq_rtl_expr): Remove.
10123 * tree.h (free_temps_for_rtl_expr): Don't declare.
10124 (start_sequence_for_rtl_expr): Likewise.
10125 * rtl.h (preserve_rtl_expr_result): Likewise.
10126 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10127 (start_sequence_for_rtl_expr): Remove.
10128 (push_topmost_sequence): Don't save sequence_rtl_expr.
10129 (pop_topmost_sequence): Remove comment about not restoring it.
10130 (end_sequence): Don't set seq_rtl_expr.
10131 (init_emit): Don't initialize it.
10132 (mark_sequence_stack): Don't mark it.
10133 (mark_emit_status): Likewise.
10134 * except.c (protect_with_terminate): Use
10135 start_sequence_for_rtl_expr, not start_sequence.
10136 * expr.c (expand_expr, case RTL_EXPR): Don't call
10137 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10138 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10139 (preserve_rtl_expr_result): Remove.
10140 (free_temps_for_rtl_expr): Likewise.
10141 (pop_temp_slots): Likewise.
10142 (mark_temp_slot): Don't mark the rtl_expr.
10143 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10144 start_sequence_for_rtl_expr.
10146 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10148 * mkdeps.c, mkdeps.h: New files.
10149 * po/POTFILES.in: Add them.
10150 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10151 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10152 (mkdeps.o): New target.
10154 * cppfiles.c: Delete deps_output.
10155 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10156 OBJECT_SUFFIX, and base_name.
10157 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10159 (initialize_dependency_output): Use deps_init,
10160 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10161 all the unnecessary string bashing.
10162 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10164 * cpplib.c (do_include): Use deps_add_dep.
10165 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10166 deps_allocated_size, deps_size, deps_column members with
10167 single pointer to a struct deps. Delete prototype of
10170 * cppinit.c: Fix thinko in previous patch.
10172 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10174 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10175 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10176 (mode_for_size_tree): New function.
10177 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10178 * tree.h (mode_for_size_tree): New declaration.
10180 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10182 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10184 * stmt.c (is_body_block): Move...
10185 * dwarfout.c, dwarf2out.c: ...from here.
10186 * tree.h: Declare it.
10187 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10188 * final.c (final_start_function): Do call remove_unnecessary_notes
10191 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10193 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10195 * cpplib.h (_dollar_ok): New macro.
10196 (is_idchar, is_idstart): Use it.
10197 (IStable): Rename to _cpp_IStable. Declare it const if
10198 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10199 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10200 is_space): Update for renamed IStable.
10202 * cppinit.c: Delete all references to FAKE_CONST and CAT
10203 macros. Define init_IStable as empty macro if gcc >=2.7 or
10204 C99. Change TABLE() to ISTABLE and hardcode name of table.
10205 (cpp_start_read): Don't change the IStable based on
10208 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10209 changed. Handle '$' for char1 correctly.
10210 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10212 * cppexp.c (tokentab2): Make const.
10213 (cpp_lex): Make toktab const.
10214 * cppinit.c (include_defaults_array): Make const.
10215 (initialize_standard_includes): Make default_include const.
10217 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10219 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10220 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10221 (gen_decl_die): Likewise.
10222 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10223 (output_decl): Likewise.
10225 * varasm.c (make_function_rtl): If we change the name used in the
10226 rtl, update DECL_ASSEMBLER_NAME accordingly.
10227 (make_decl_rtl): Likewise.
10229 * toplev.c (rest_of_compilation): Tweak formatting.
10231 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10232 remove_unnecessary_notes.
10233 (debug_ignore_block): New fn.
10234 * toplev.h: Declare it.
10235 * emit-rtl.c (remove_unncessary_notes): Call it.
10236 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10237 * dwarf2out.h: Declare it.
10238 * final.c (final_start_function): Don't call remove_unnecessary_notes
10239 if we did insn scheduling.
10241 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10243 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10244 * cpplib.h: Delete SET_CPP_PEDANTIC.
10246 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10248 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10249 result is a RECORD_TYPE.
10251 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10253 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10255 2000-03-03 Richard Henderson <rth@cygnus.com>
10257 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10258 addition over compliments over shifts.
10260 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10262 * reload1.c (reload_combine_note_use): Handle return register USEs.
10263 REG case: Handle multi-hard-register hard regs.
10265 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10267 * md.texi: Document use of '*' in insn pattern name.
10269 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10271 * calls.c (special_function_p): operator new may not be malloc-like.
10273 * gcse.c (dump_hash_table): Really fix error in last change.
10275 2000-03-02 Denis Chertykov <denisc@overta.ru>
10277 * avr.c (print_operand): Use print_operand_address instead of
10279 * avr/libgcc.S: Cleanup code.
10281 2000-03-02 Richard Henderson <rth@cygnus.com>
10283 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10285 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10287 * tree.h (TYPE_ALIGN_UNIT): New macro.
10289 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10291 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10293 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10295 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10297 (SET_CPP_PEDANTIC): New macro.
10298 * cpplib.c (do_include): Don't bother checking system_header_p.
10299 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10300 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10302 * function.h (struct expr_status): Add x_arg_space_so_far.
10303 (arg_space_so_far): New macro.
10304 * expr.c (init_expr): Initialize it.
10305 * calls.c (emit_call_1): Reset it.
10306 (compute_argument_block_size, expand_call): Use it.
10307 (expand_call, store_one_arg): Increment it.
10309 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10311 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10314 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10316 * cppfiles.c (cpp_read_file): New function.
10318 * cpphash.c (collect_expansion): Make sure to reset last_token
10319 to NORM when we hit a string. Handle trailing whitespace
10320 properly when the expansion is empty.
10321 (create_definition): Disable line commands while parsing the
10323 (dump_definition): If pfile->lineno == 0, output a line
10324 command ahead of the dump, and add a trailing newline.
10326 * cppinit.c (append_include_chain): Add fifth argument, which
10327 indicates whether or not system headers are C++ aware.
10328 (initialize_standard_includes): New function,
10329 broken out of read_and_prescan. Pass 'cxx_aware' value from
10330 the include_defaults_array on to append_include_chain.
10331 (dump_special_to_buffer): Const-ify char array.
10332 (builtin_array): Don't dump __BASE_FILE__.
10333 (cpp_start_read): Use cpp_read_file. Reorder code for
10334 clarity. Don't output line commands here for -D/-A/-U
10335 switches. Don't call deps_output for files included with
10336 -include or -imacros.
10338 * cpplib.c (do_define): Don't pay any attention to the second
10340 (cpp_expand_to_buffer): Disable line commands while scanning.
10341 (output_line_command): Work in the file buffer.
10342 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10343 Fix formatting of comments. Prototype cpp_read_file.
10345 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10347 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10348 reference the language-equivalent of sizetype.
10349 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10350 * fold-const.c (size_binop, size_diffop): Put back checks.
10351 * gcse.c (dump_hash_table): Fix minor error in last change.
10352 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10353 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10356 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10358 * calls.c (expand_call) Do not attempt to combine stack adjustments
10359 with inhibit_defer_pop set.
10361 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10363 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10364 the DECL_SIZE for a FIELD_DECL.
10366 2000-03-01 Bruce Korb <bkorb@gnu.org>
10368 * fixinc/inclhack.tpl: remove unused symlinks
10369 * fixinc/README: GCC Maintainer info
10370 * fixinc/inclhack.sh: regen
10371 * fixinc/fixincl.sh: regen
10373 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10375 * cpphash.c (collect_expansion): Trim trailing white space
10376 from macro definitions, but don't go past the last insertion
10379 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10381 * i386.md (mulqi3): New pattern.
10383 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10385 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10387 (struct cpp_reader): Add parsing_if_directive and
10388 parsing_define_directive flags.
10389 (struct cpp_options): Remove output_conditionals flag.
10390 (check_macro_name): Delete prototype.
10392 * cpphash.h (struct macrodef): Delete.
10393 (struct reflist): Separate from struct definition.
10394 (struct definition): Remove unused fields. Add column number.
10395 (create_definition): Returns a DEFINITION *. Takes a
10396 cpp_reader * and an int.
10398 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10399 (PEEKC): Copy defn from cpplib.c.
10400 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10402 (struct arglist): Simplify.
10403 (collect_expansion): Rewrite. Get tokens by calling
10404 cpp_get_token. Add more error checking.
10405 (collect_formal_parameters): New function, broken out of
10406 create_definition and reworked to use get_directive_token.
10407 (create_definition): All real work is now in collect_expansion
10408 and collect_formal_parameters. do_define handles finding the
10409 macro name. Return a DEFINITION, not a MACRODEF.
10410 (macroexpand): Replace bcopy with memcpy throughout. Replace
10411 character-at-a-time copy loop with memcpy and pointer increments.
10412 (compare-defs): d1->argnames / d2->argnames might be null.
10414 * cpplib.c (copy_rest_of_line): Delete function.
10415 (skip_rest_of_line): Do all the work ourselves.
10416 (skip_string): New function.
10417 (parse_string): Use skip_string.
10418 (get_macro_name): New function.
10419 (check_macro_name): Delete.
10420 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10421 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10422 (handle_directive): ICE if we're called on a macro buffer.
10423 (do_define): Determine macro name and type (funlike/objlike)
10424 here. Expunge all uses of MACRODEF.
10425 (cpp_push_buffer): Set line_base to NULL.
10426 (do_undef, read_line_number): Don't worry about getting a POP token.
10427 (eval_if_expression): Set/reset parsing_if_directive around
10428 cpp_parse_expr. Don't clear only_seen_white.
10429 (skip_if_group): Remove output_conditionals logic. Use
10431 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10432 tokens under appropriate conditions.
10433 (cpp_unassert): Call do_unassert not do_assert. Oops.
10435 * cppexp.c (parse_defined): New function, break out of
10437 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10438 ourselves, with cpp_defined.
10439 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10441 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10442 * gcc.dg/strpaste-2.c: New.
10444 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10446 * fold-const.c (size_binop): Don't asert inputs are the same and
10447 have TYPE_IS_SIZETYPE set.
10448 (size_diffop): Likewise.
10450 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10452 * dwarfout.c (output_block): Output abstract blocks even if they
10453 don't have TREE_ASM_WRITTEN set.
10455 * calls.c (emit_library_call): Check for null REG.
10457 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10459 * c-decl.c (current_function_decl): Move to toplev.c.
10460 (init_decl_processing): Don't add current_function_decl as a ggc
10462 * dbxout.c (dbxout_symbol): Change return type to int.
10463 (dbxout_symbol_location, dbxout_syms): Likewise.
10464 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10465 any locals. Use current_function_func_begin_label if set.
10466 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10467 * dwarf2out.c (dwarf2out_begin_prologue): Set
10468 current_function_func_begin_label.
10469 * final.c (final_start_function): Reset it.
10470 * toplev.c (current_function_decl): Define it here.
10471 (current_function_func_begin_label): New variable.
10472 (main): Add both as ggc roots.
10473 * tree.h (current_function_func_begin_label): Declare.
10475 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10477 * gcse.c: Cleanups throughout: mostly white-space, but also
10478 some minor rearrangement of code.
10480 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10482 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10483 returns a PARALLEL. Use emit_group_load and use_group_regs
10485 (emit_library_call_value): Similarly.
10487 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10488 * pa/quadlib.asm: Remove.
10489 * pa/quadlib.c: New file.
10491 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10492 * configure: Rebuilt.
10494 2000-02-29 Philip Blundell <pb@futuretv.com>
10496 * config/arm/conix-elf.h: New file.
10497 * configure.in (arm*-*-conix*): New configuration.
10498 * configure: Regenerate.
10500 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10502 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10503 don't have TREE_ASM_WRITTEN set.
10505 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10507 * Eliminate DECL_FIELD_SIZE.
10508 * builtins.c (built_in_class_names, built_in_names): New variables.
10509 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10510 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10511 DECL_SIZE, not DECL_FIELD_SIZE.
10512 * print-tree.c (print_node): Remove code that prints extra blank
10513 lines in some cases.
10514 Properly handle inline and builtin function cases.
10515 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10516 * tree.h (built_in_class_named, built_in_names): New declarations.
10517 (union tree_decl): Rename internal unions to u1 and u2 and change
10518 some of their components.
10519 Add new field built_in_class.
10520 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10521 Reflect above changes.
10522 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10523 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10524 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10525 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10527 2000-02-28 Dmitri Makarov <dim@windriver.com>
10529 * extend.texi: Document ARM's support for long/short calls.
10531 * invoke.texi: Document ARM's -mlong-calls command line switch.
10533 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10534 (arm_encode_call_attribute): Add prototype.
10535 (arm_set_default_type_attribute): Add prototype.
10536 (arm_strip_name_encoding): Add prototype.
10538 * config/arm/arm.c (arm_init_cumulative_args): replace
10539 initialisation og 'long_calls' field with initialisation of
10540 'call_cookie' field.
10541 (enum arm_pragma_enum): New enum.
10542 (arm_pragma_long_calls): New static variable.
10543 (arm_process_pragma): Also process "#pragma long_calls_off".
10544 (arm_valid_type_attribute_p): Accept short_call attribute.
10545 (arm_comp_type_attributes): Check long/short call attributes.
10546 (arm_encode_call_attribute): New function: Encode long_call
10547 or short_call attribute in function name.
10548 (arm_set_default_type_attributes): New function: Assign
10549 default attributes to newly defined type.
10550 (current_file_function_operand): New function: Return true if
10551 the symbol is a function which has already been compiled.
10552 (arm_is_longcall_p): New function: Return true if the
10553 indicated function should be called via a long call.
10554 (arm_get_strip_length): New function. Returns number of
10555 prefix characters to be stripped from a function's name.
10556 (arm_strip_name_encoding): New function. Strip prefix characters
10557 from a function's name.
10559 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10560 with 'call_cookie'.
10561 (SHORT_CALL_FAG_CHAR): Define.
10562 (LONG_CALL_FAG_CHAR): Define.
10563 (ENCODED_SHORT_CALL_ATTR_P): Define.
10564 (ENCODED_LONG_CALL_ATTR_P): Define.
10565 (ARM_NAME_ENCODING_LENGTHS): Define.
10566 (STRIP_NAME_ENCODING): Define.
10567 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10568 (ARM_ENCODE_CALL_TYPE): Define.
10569 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10570 (ARM_DECLARE_FUNCTION_SIZE): Define.
10571 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10573 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10574 if a long call is needed.
10575 (call_value): Ditto.
10576 (call_symbol): Ditto.
10578 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10579 ARM_DECLARE_FUNCTION_SIZE.
10581 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10582 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10583 (ARM_STRIP_NAME_ENCODING): Undefine.
10584 (STRIP_NAME_ENCODING): Undefine.
10585 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10586 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10587 (ASM_OUTPUT_COMMON): Ditto.
10588 (ASM_DECLARE_OBJECT_NAME): Ditto.
10590 * config/arm/pe.c (arm_dllexport_name_p): Check for
10592 (arm_dllimport_name_p): Ditto.
10593 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10594 (arm_mark_dllimport): Ditto.
10596 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10598 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10600 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10602 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10604 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10606 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10607 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10608 NO_BUILTIN_WCHAR_TYPE is not defined.
10609 (CPP_WCHAR_TYPE): Delete.
10610 * cccp.c (main): Don't change wchar_type if cplusplus.
10611 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10613 2000-02-28 Nick Clifton <nickc@cygnus.com>
10615 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10617 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10619 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10620 (ASM_WEAKEN_LABEL): Define.
10622 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10624 * expr.c (store_constructor): Do not emit USE.
10625 * rtl.h (stupid_life_analysis): Remove.
10627 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10629 * function.c (number_blocks): Reset next_block_index based on
10630 what debugging format is used, not what is defined.
10632 * lcm.c: Minor reformatting throughout.
10633 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10635 * toplev.c (rest_of_compilation): Account for time in
10636 optimize_mode_switching.
10638 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10639 if only marking labels.
10641 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10643 * calls.c (expand_call): Attempt to combine stack adjustments with
10644 pending stack adjustments.
10646 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10648 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10649 to the end of the function.
10651 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10653 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10655 * final.c (next_block_index): Remove.
10656 (max_block_depth): Likewise.
10657 (pending_blocks): Likewise.
10658 (init_final): Don't initialize them.
10659 (final_start_function): Don't set next_block_index. Set up
10661 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10662 * function.h (number_blocks): New function.
10663 * function.c (get_block_vector): New function.
10664 (identify_blocks): Use it.
10665 (reorder_blocks): Set NOTE_BLOCK.
10666 (number_blocks): New function.
10667 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10668 * tree.h (BLOCK_NUMBER): New macro.
10669 (tree_block): Add block_num field.
10670 * dbxout.c (next_block_number): Remove.
10671 (dbxout_init): Don't set it.
10672 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10673 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10675 * toplev.c (rest_of_compilation): Always call
10676 find_loop_tree_blocks. Fix indentation.
10677 * dwarf2out.c (next_block_number): Remove.
10678 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10679 to determine block numbers.
10680 (gen_inlined_subroutine_die): Likewise.
10681 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10682 (decls_for_scope): Don't increment next_block_number.
10683 * dwarfout.c (next_block_number): Remove.
10684 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10685 to determine block numbers.
10686 (output_inlined_subroutine_die): Likewise.
10687 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10688 (output_decls_for_scope): Don't increment next_block_number.
10689 * sdbout.c (next_block_number): Remove.
10690 (sdbout_block): Use BLOCK_NUMBER.
10691 (sdbout_begin_block): Simplify.
10692 * xcoffout.c (next_block_number): Remove.
10693 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10694 (xcoffout_begin_block): Don't set next_block_number.
10695 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10698 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10700 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10701 (expand_builtin_strcpy): Pass correct type to size_binop.
10702 (expand_builtin_strcmp): Likewise.
10703 Clean up conditional structure.
10704 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10705 (complete_array_type): Don't use size_binop for MAXINDEX.
10706 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10707 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10708 (c_alignof): Use size_one_node.
10709 (build_unary_op): Pass arg of proper type to size_binop.
10710 (really_start_incremental_init, push_init_level): Use sizetype for
10711 constructor{,_bit,_unfilled}_index.
10712 (pop_init_label, output_init_element): Likewise.
10713 (output_pending_init_elements, process_init_element): Likewise.
10714 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10715 * expr.c (store_expr): Use size_int.
10716 (store_constructor): Use proper types for size_binop args.
10717 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10718 (expand_expr_unaligned): Likewise.
10719 (string_contant): Return object of sizetype.
10720 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10721 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10722 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10723 * fold-const.c (int_const_binop): Refine when size_int is called.
10724 (fold_convert): Likewise.
10725 (size_int_wide): Rework to take KIND as arg, only take low order
10726 bits, handle new sizetype_tab datatype, and chain entries in
10728 (size_int_type_wide): New function.
10729 (size_binop): Validate types of arguments.
10730 (ssize_binop): Deleted.
10731 (size_diffop): New function.
10732 (extract_muldiv): Only fold division into multiplication for sizetypes.
10733 * function.c (assign_parms): Use size_diffop and make sure
10734 VAR field is of ssizetype; also pass proper type to size_binop.
10735 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10736 (round_down): Deleted from here.
10737 * store-layout.c (sizetype_tab): Now an array.
10738 (sizetype_set, early_root_list): New variables.
10739 (variable_size): Use size_one_node.
10740 (round_up): Pass proper type to size_binop.
10741 (round_down): Moved to here and corrected as above.
10742 (layout_record): Pass proper arg types to size_binop.
10743 (layout_type): Likewise.
10744 If sizetype_set is zero, record the type just laid out.
10745 (make_unsigned_type): Don't call set_sizetype;
10746 (make_signed_type): Likewise; also, call fixup_signed_type.
10747 (initialize_sizetypes): New function.
10748 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10749 set name of bitsizetype to "bit_size_type".
10750 Fix up type of sizes of all types made before call.
10751 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10752 * tree.c (fix_sizetype): Deleted.
10753 (build_common_tree_nodes): Call initialize_sizetypes.
10754 (build_common_tree_nodes_2): Don't call fix_sizetype.
10755 * tree.h (TYPE_IS_SIZETYPE): New macro.
10756 (initialize_sizetype): New declaration.
10757 (enum size_type_kind): New type.
10758 (struct sizetype_tab): Deleted.
10759 (sizetype_tab): Now array; adjust sizetype macros.
10760 (size_diffop, size_int_type_wide): New functions.
10761 (size_int_wide): Change number of args and type; access macros changed.
10762 (ssize_int, sbitsize_int): New macros.
10763 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10764 (ROUND_TYPE_SIZE_UNIT): New macro.
10766 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10768 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10770 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10772 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10773 Mark as possibly unused.
10775 * cse.c (cse_insn): Delete dead code involving tablejump.
10776 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10778 * Makefile.in (libcpp.a): Start by deleting it.
10780 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10782 * cpplib.h (enum file_change_code): Added rename_file.
10783 * cpplib.c (do_line): If a filename is given, set file_change to
10785 (output_line_command): If file_change is rename_file, always
10786 output a # directive with the file name.
10788 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10790 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10792 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10793 when copying a PARM_DECL or RESULT_DECL.
10795 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10797 * fix-header.c (recognized_function): Also fix prototypes for
10798 functions taking "void".
10800 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10802 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10803 looking at reg_reloaded_contents.
10805 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10807 * Makefile.in (STMP_FIXINC): New toggle.
10808 (LIBGCC2_DEPS): Delete all references.
10809 (stmp-headers): Delete target. All references either deleted
10810 or changed to stmp-int-headers.
10811 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10812 (LIBCPP_OBJS): Take out cppalloc.o.
10813 (cppalloc.o): Delete target.
10814 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10815 (gen-protos, fix-header): Link with libiberty.a.
10816 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10819 * configure.in: Remove refs to strerror.
10820 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10821 * system.h: Take out strerror stanza.
10823 * cpperror.c (my_strerror): Delete function.
10824 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10825 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10826 * cppalloc.c: Delete file.
10827 * gen-protos.c: Don't provide xrealloc.
10829 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10830 xstrerror throughout.
10832 2000-02-26 Bruce Korb <bkorb@gnu.org>
10834 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10835 match for DOS headers, too.
10836 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10838 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10840 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10841 is right for most ELF targets.
10842 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10843 Let the default file use %U properly.
10844 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10847 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10850 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10852 * toplev.c (documented_lang_options): Correct spelling error.
10853 (decode_d_option, decode_f_option, main): Likewise.
10855 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10857 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10858 to tell assembler it is permitted to expand large constants.
10860 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10862 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10863 (aux_info_suffix): Use.
10864 (SAVE_SUFFIX): New macro.
10865 (save_suffix): Use.
10866 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10867 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10868 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10870 * invoke.texi (Running Protoize): Update documentation.
10872 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10874 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10876 2000-02-25 John Wehle (john@feith.com)
10878 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10880 2000-02-25 Anthony Green <green@cygnus.com>
10882 * toplev.c (rest_of_compilation): Rebuild jump labels if
10883 combine_instructions has created a new direct jump.
10884 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10886 (combine_instructions): Call try_combine with new argument.
10887 Return non-null value when new direct jump instruction is created.
10888 * rtl.h: combine_instructions returns an int.
10890 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10892 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10893 jump when changing a computed jump into a jump to a known
10896 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10898 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10899 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10901 * i386.md (define_expand "clrstrsi"): Fix typo.
10903 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10905 * rtl.texi: Fix typo.
10907 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10909 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10910 UNITS_PER_WORD. Change caller initial_elimination_offset.
10911 (rounded_frame_size): Take into account that argument pushed has
10912 changed. Fix TARGET_ALIGN_DOUBLE problem.
10914 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10916 * haifa-sched.c (schedule_block): Explain the real reason
10917 we delete REG_SAVE_NOTEs on the first insn of a block.
10918 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10920 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10922 * input.h (push_srcloc): New function.
10923 (pop_srcloc): Likewise.
10924 * toplev.c (push_srcloc): Define it.
10925 (pop_srcloc): Likewise.
10927 2000-02-24 Richard Henderson <rth@cygnus.com>
10929 * flow.c (life_analysis): When collecting reg info, clear
10932 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10934 Fix bug exposed by reload.c no longer rounding the frame
10935 size to BIGGEST_ALIGNMENT:
10936 * sh.c (rounded_frame_size): New function.
10937 (sh_expand_prologue, sh_expand_epilogue): Use it.
10938 (initial_elimination_offset): Likewise.
10940 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10942 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10943 * sh-protos.h (sh_need_epilogue): Declare.
10944 * sh.c (sh_need_epilogue_known): New static variable.
10945 (sh_need_epilogue): New function.
10946 (function_epilogue): Clear need_epilogue_known.
10947 * sh.md (return): Split into expander / insn pattern.
10948 Make the expander conditional on ! sh_need_epilogue ().
10950 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10952 * machmode.h (get_mode_alignment): Declare.
10953 (GET_MODE_ALIGNMENT): Call it.
10954 * stor-layout.c (get_mode_alignment): New function. Make
10955 sure alignment is always power of 2.
10957 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10959 * i386.h: Remove useless definition of "I386" and misleading
10962 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10964 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10965 under which TREE_PERMANENT will be set.
10966 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10967 build1): Use TREE_SET_PERMANENT.
10968 * print-tree.c (print_node): Don't report value of
10969 TREE_PERMANENT if ggc_p is true.
10971 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10972 decide whether to give a type a new alias set.
10973 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10974 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10975 of value of 'obstack'.
10978 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10980 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10982 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10984 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10985 * cpplib.c (cpp_get_token): Produce them.
10986 * cppexp.c (cpp_lex): Handle them.
10988 2000-02-23 Nick Clifton <nickc@cygnus.com>
10990 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10991 comment tests on type attributes.
10993 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10995 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10996 conform to documentation.
10997 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10998 to check for special cases.
10999 * sh-protos.h (sh_loop_align): Declare.
11000 * sh.c (sh_loop_align): Define.
11002 2000-02-22 Andrew Haley <aph@cygnus.com>
11004 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11005 (SIZE_TYPE): Is 32 bits when using -mgp32.
11006 (PTRDIFF_TYPE): Ditto.
11008 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11010 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11012 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11014 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11015 BIGGEST_FIELD_ALIGNMENT a constant.
11017 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11019 * dwarf2out.c (output_line_info): Put the marker for the end of
11020 the line number info at the actual end.
11021 (gen_struct_or_union_type_die): Use decl_function_context
11022 to check for local classes.
11023 * dwarfout.c (output_type): Likewise.
11025 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11027 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11028 for arguments with a mode, but no type.
11029 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11030 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11031 * pa/long_double.h: New file.
11032 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11033 both have 128bit wide long doubles.
11034 * configure: Rebuilt.
11036 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11038 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11040 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11041 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11042 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11044 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11046 * integrate.c (compare_blocks, find_block): Likewise.
11048 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11050 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11052 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11053 expand_asm_operands): Likewise.
11055 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11057 * predict.c (estimate_probability): Added the pointer heuristic to
11058 the collection of static branch predictors.
11060 2000-02-21 Catherine Moore <clm@cygnus.com>
11062 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11063 * invoke.texi (-mfix7000): Document.
11065 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11067 * diagnostic.c (init_output_buffer): Make it possible to output at
11068 least 32 characters if we're given a too long prefix.
11070 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11072 * varasm.c (initializer_constant_valid_p): Call
11073 lang_expand_constant to simplify the constant.
11075 2000-02-20 Bruce Korb <bkorb@gnu.org>
11077 * fixinc/inclhack.def(stdio_va_list):
11078 typedef needs to be disabled.
11079 * fixinc/inclhack.sh: regen
11080 * fixinc/fixincl.x: regen
11082 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11084 * print-rtl.c (print_rtx): Don't print addresses when
11085 flag_dump_unnumbered.
11087 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11089 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11091 (sparc_va_arg, sparc_flat_output_function_prologue,
11092 sparc_flat_output_function_epilogue): Cast value to unsigned in
11094 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11096 * sparc.md: Add default case in switch.
11098 2000-02-19 Richard Henderson <rth@cygnus.com>
11100 * c-typeck.c (add_pending_init): Don't abort for multiple
11101 fields at the same offset.
11102 (pending_init_member): Test the correct member.
11104 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11106 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11108 (start_catch_handler) : Same.
11110 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11112 * Makefile.in: Have flow.o depend on $(EXPR_H)
11114 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11116 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11117 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11118 (finish_decl): Remove -Wlarger-than code from here.
11119 * flags.h (id_clash_len): Now int.
11120 (larger_than_size): Now HOST_WIDE_INT.
11121 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11122 Clean up checking to see if in table.
11123 (make_bit_field_ref): Remove extra parm to bitsize_int.
11124 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11125 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11126 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11127 and for computing size of decl.
11128 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11129 Move -Wlarger-than code to here.
11130 (layout_record): Remove extra arg to bitsize_int.
11131 Set TYPE_BINFO_SIZE_UNIT.
11132 (layout_union): Remove extra arg to bitsize_int.
11133 Use proper type for size of QUAL_UNION.
11134 (layout_type): Remove extra arg to bitsize_int.
11135 * toplev.c (id_clash_len): Now int.
11136 (larger_than_size): Now HOST_WIDE_INT.
11137 (decode_W_option): Clean up id-clash and larger-than- cases.
11138 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11139 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11140 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11141 (struct tree_decl): New field size_unit.
11142 (size_int_wide): No HIGH operand; NUMBER is now signed.
11143 (size_int_2): Deleted.
11144 (size_int, bitsize_int): Don't use it and rework args.
11145 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11147 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11149 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11151 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11153 * invoke.texi (Warning Options): Add an explanation of why
11154 you might want the -Wfloat-equal flag.
11156 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11158 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11159 * cppinit.c (new_pending_define): Add cast to avoid warning.
11160 * expmed.c (extract_bit_field): Likewise.
11161 * flow.c (enum reorder_skip_type): New type.
11162 (skip_insns_between_blcok): New it.
11163 Rework to avoid warning about possibly undefined variable.
11164 * function.c (assign_parms): Make thisparm_boundary unsigned.
11165 * genrecog.c (write_switch): Cast XWINT result to int.
11166 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11167 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11168 one for MIPS and one for Alpha.
11169 (get_tag, copy_object): Add casts to avoid warnings.
11170 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11171 * reload.c (find_reloads): Make TYPE enum reload_type.
11172 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11173 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11174 * varasm.c (compare_constant_1): Add cast to avoid warning.
11175 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11177 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11178 Cast switch operand of size to int.
11179 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11180 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11183 2000-02-18 Nick Clifton <nickc@cygnus.com>
11185 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11186 anything for an alignment of zero.
11188 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11189 anything for an alignment of zero.
11191 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11193 * gcc.texi (Bug Reporting): Refer to bugs.html.
11194 (Bug Lists): Likewise.
11195 * system.h (GCCBUGURL): New preprocessor define.
11196 * rtl.c (fancy_abort): Use it.
11197 * gcc.c (main): Likewise.
11199 2000-02-18 Richard Henderson <rth@cygnus.com>
11201 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11202 (life_analysis_1): Subsume into ...
11203 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11204 Use update_life_info for the relaxation.
11205 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11206 entry and regs_live_at_setjmp.
11207 (set_noop_p): Simplify.
11208 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11209 (record_volatile_insns): Split into ...
11210 (delete_noop_moves): ... here,
11211 (notice_stack_pointer_modification): ... here,
11212 (insn_dead_p): ... and here.
11213 (propagate_block): Don't query INSN_VOLATILE.
11214 (mark_used_regs): Mind !PROP_REG_INFO.
11215 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11216 not in life_analysis.
11218 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11220 * loop.c (canonicalize_condition): New function,
11221 broken out of get_condition.
11222 (get_condition): Use it.
11223 * expr.h (canonicalize_condition): Prototype it.
11225 * tree.h (tree_int_cst_msb): Declare.
11226 * tree.c (tree_int_cst_msb): New function.
11228 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11230 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11233 * invoke.texi (-fmessage-length=n): Document.
11235 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11237 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11239 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11241 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11242 after the prologue.
11244 2000-02-17 Nick Clifton <nickc@cygnus.com>
11246 * config/arm/thumb.c: Replace includes of system headers with
11247 #include "system.h".
11249 2000-02-16 Richard Henderson <rth@cygnus.com>
11251 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11252 Add crtbeginS.o and crtendS.o.
11253 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11254 (ENDFILE_SPEC): Use crtendS.o.
11255 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11257 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11258 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11259 shared and present.
11260 (__dso_handle): New variable.
11261 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11262 bias to __CTOR_END__.
11264 2000-02-16 Richard Henderson <rth@cygnus.com>
11266 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11268 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11270 * longlong.h (__clz_tab): Declare as static to match definition.
11272 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11274 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11275 (XREF_FILE_NAME): Define.
11277 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11278 (EH_FRAME_SECTION_ASM_OP): Define.
11279 (IDENT_ASM_OP): Define.
11280 (TEXT_SECTION_ASM_OP): Define.
11281 (CPP_SPEC): Define.
11282 (CTORS_SECTION_ASM_OP): Define.
11283 (CTOR_SECTION_FUNCTION): Use it.
11284 (DTORS_SECTION_ASM_OP): Define.
11285 (DTOR_SECTION_FUNCTION): Use it.
11287 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11289 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11292 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11293 debug_bb_n): New functions.
11294 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11295 * basic-block.h: Prototype new functions.
11297 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11299 * configure.in: Add support for avr target.
11300 * configure: Rebuilt.
11302 * invoke.texi: Add AVR invocation docs.
11303 * install.texi: Add information about AVR.
11304 * md.texi: Add AVR constraint letters description.
11305 * extend.texi: Add description for AVR specific attributes.
11307 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11309 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11311 2000-02-16 Nick Clifton <nickc@cygnus.com>
11313 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11314 (make_insn_raw): Move RTL check here.
11316 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11318 * version.c: Include gansidecl.h and version.h.
11320 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11322 * configure.in (gcc_version): When setting, narrow search to
11323 lines containing `version_string'.
11325 * Makefile.in (mainversion): Likewise.
11326 (GCC_H): New variable.
11327 (gcc.h): Delete target.
11328 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11329 (version.o): Depend on version.h.
11330 (dbxout.o): Don't depend on gcc.h.
11332 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11333 Michael Meissner <meissner@cygnus.com>
11335 * md.texi (Simple Constraints): Add item about whitespace.
11336 * genoutput.c (strip_whitespace): New.
11337 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11338 strip_whitespace for constraints.
11339 Test pointer using NULL, not 0.
11341 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11343 * cpplib.c (do_line): Pedwarn for #line > 32767.
11345 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11347 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11349 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11350 to default cpp spec.
11351 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11352 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11355 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11358 2000-02-15 Denis Chertykov <denisc@overta.ru>
11360 * configure.in: Add support for avr target.
11362 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11364 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11365 (sh_addr_diff_vec_mode): Don't declare.
11366 * sh.c (sh_addr_diff_vec_mode): Delete.
11368 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11370 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11372 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11374 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11375 (smulsi3_highpart_i): Name.
11376 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11377 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11378 (smulsi3_highpart, umulsi3_highpart): Likewise.
11380 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11381 correctly independent of endianness.
11382 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11383 confuse the optimizers.
11384 (mulsidi3+1, umulsidi3+1): New define_split.
11386 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11388 * config/sh/sh.md: Guard insn splits against illegal registers.
11389 * config/sh/sh.h: Correct comment about macros.
11391 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11392 Andrew MacLeod <amacleod@cygnus.com>
11394 * Makefile.in (lcm.o): Depend on insn-attr.h.
11395 * basic-block.h (optimize_mode_switching): Declare.
11396 * lcm.c (tm_p.h, insn-attr.h): #include.
11397 (seginfo, bb_info): New structs.
11398 (antic, transp, comp, delete, insert) : New file-scope static variables.
11399 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11400 (reg_becomes_live, optimize_mode_switching): Likewise.
11401 * tm.texi: Add description of mode switching macros.
11402 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11404 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11405 (fldi_ok, fpscr_set_from_mem): New prototypes.
11406 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11407 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11408 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11409 (sh_flag_remove_dead_before_cse): Remove declaration.
11410 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11411 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11412 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11413 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11414 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11415 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11416 (fldi_ok): New function.
11417 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11418 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11419 (emit_df_insn): Likewise.
11420 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11421 (sh_flag_remove_dead_before_cse): Delete.
11422 (get_free_reg, fpscr_set_from_mem): New functions.
11423 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11424 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11426 2000-02-15 Loren Rittle <ljrittle@acm.org>
11428 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11430 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11432 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11433 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11435 * cccp.c: Include version.h and/or don't declare `version_string'.
11436 * collect2.c: Likewise.
11437 * alpha.c: Likewise.
11438 * arm/aof.h: Likewise.
11439 * arm/coff.h: Likewise.
11440 * arm/elf.h: Likewise.
11441 * arm/pe.h: Likewise.
11442 * arm/tcoff.h: Likewise.
11443 * arm/telf.h: Likewise.
11444 * arm/tpe.h: Likewise.
11445 * arm/vxarm.h: Likewise.
11446 * convex/convex.c: Likewise.
11447 * i386/dgux.c: Likewise.
11448 * i386/sun386.h: Likewise.
11449 * m88k/m88k.c: Likewise.
11450 * mcore/mcore-pe.h: Likewise.
11451 * mips/mips.h: Likewise.
11452 * romp/romp.h: Likewise.
11453 * sh/sh.c: Likewise.
11454 * cpphash.c: Likewise.
11455 * cppinit.c: Likewise.
11456 * dwarf2out.c: Likewise.
11457 * dwarfout.c: Likewise.
11460 * mips-tfile.c: Likewise.
11461 * protoize.c: Likewise.
11462 * toplev.c: Likewise.
11463 * tree.h: Likewise.
11465 * version.c (version_string): Constify a char*.
11467 * version.h: New file.
11469 2000-02-14 Nick Clifton <nickc@cygnus.com>
11471 * configure.in: Add mcore-elf and mcore-pe targets.
11472 * configure: Regenerate.
11474 * NEWS: Add note that MCore port has been contributed.
11476 * invoke.texi: Document command line switches for MCore port.
11477 * install.texi: Add MCore to list of supported targets.
11479 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11481 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11482 then we will need to import the frame handling functions.
11483 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11484 to import the frames themselves.
11486 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11487 Jason Eckhardt <jle@cygnus.com>
11489 * basic_block.h: Added prototype for reorder_basic_blocks.
11490 * toplev.c: Changes to add -freorder-blocks and graph dump after
11491 block reordering is done.
11492 * flow.c (reorder_block_def): New structure for use during block
11494 (REORDER_BLOCK_*): New macros to access members of above structure.
11495 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11496 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11497 functions for block reordering.
11499 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11501 * gcc.texi (Passes): Fix typo.
11502 * md.texi (Standard Names): Ditto.
11503 * tm.texi (Storage Layout): Ditto.
11505 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11507 * cpplib.c (do_define): Only free the old definition if it
11510 2000-02-13 Neil Booth <NeilB@earthling.net>
11512 * cppfiles.c (read_and_prescan): When emitting deferred
11513 newlines, test speccase[] again instead of checking each
11514 possible whitespace character in turn. When we encounter \r,
11515 look behind for \n first, then ahead.
11517 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11519 * cse.c (cse_altered): New internal flag.
11520 (cse_insn): Set it if we changed an insn.
11521 (cse_main): Clear cse_altered before each basic block.
11522 Only garbage collect if cse_altered is true afterward.
11524 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11526 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11528 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11530 * combine.c (simplify_comparison): Fix typo.
11532 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11534 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11537 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11539 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11540 previously inserted node instead of root node. Caller changed.
11542 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11544 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11546 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11548 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11549 __dereg_frame_dtor): Add prototype argument.
11551 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11553 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11555 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11557 * gthr-vxworks.h (__gthread_once): Likewise.
11559 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11561 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11563 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11564 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11565 stack pointer in functions w/o saved registers, output LEAVE more often
11566 on TARGET_USE_LEAVE machines.
11568 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11570 * config/arm/arm.c (arm_init_cumulative_args); New function:
11571 Initlaise the CUMULATIE_ARGS strcuture for a function
11573 (arm_function_arg): New function: Determine where to place a
11574 function's argument. Also handles deciding the function's
11576 (current_file_function_operand): New function: Return true if
11577 the symbol is a function which has already been compiled.
11578 (arm_is_long_call_p): New function: Return true if the
11579 indicated function should be called via a long call.
11580 (arm_valid_type_attribute_p): New function: Return true if the
11581 attribute is a valid, arm specific, attribute.
11582 (arm_comp_type_attribute): New function: Return true if the
11583 two types have compatable, arm specific, attributes.
11585 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11587 (FUNCTION_ARG): Redefine to call arm_function_arg.
11588 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11590 (INIT_CUMULATIVE_ARGS): Redefine to call
11591 arm_init_cumulative_args.
11592 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11594 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11596 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11598 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11599 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11600 (COMP_TYPE_ATTRIBUTES): Define.
11602 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11603 if a long call is needed.
11604 (call_value): Call arm_is_long_call_p to decide if a long call
11606 (call_symbol): Call arm_is_long_call_p to decide if a long call
11609 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11611 2000-02-11 Denis Chertykov <denisc@overta.ru>
11613 * README.AVR: New file with information about the avr ports.
11614 * config/avr: New directory with avr port files.
11616 2000-02-11 Andreas Jaeger <aj@suse.de>
11618 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11620 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11622 * cpphash.c: Fix formatting, update commentary.
11623 (dump_definition): Take three separate arguments instead of a
11624 MACRODEF structure argument.
11625 * cpphash.h: Update prototype of dump_definition.
11626 * cppinit.c (cpp_finish): Update call of dump_definition.
11628 * cpplib.c (do_define): Always create new hash entry with
11629 T_MACRO type. Remove redundant check for redefinition of
11630 poisoned identifier. Update call of dump_definition.
11631 (do_undef): Don't call check_macro_name. Rename sym_length to
11633 (do_error, do_warning): Don't use copy_rest_of_line or
11635 (do_warning): Don't use pedwarn for the actual warning,
11636 only the notice about its not being in the standard. (Fixes
11637 bug with #warning in system headers.)
11638 (do_ident): Stricter argument checking - accept only a single
11639 string after #ident. Also, macro-expand the line.
11640 (do_xifdef): Use cpp_defined. De-obfuscate.
11642 (do_pragma): Split out specific pragma handling to separate
11643 functions. Use get_directive_token. Update commentary. Do
11644 not pass on #pragma once or #pragma poison to the front end.
11645 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11646 do_pragma_default): New.
11648 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11650 * jump.c (jump_optimize_1): The first operand in a relational
11651 can be a CONST_INT.
11652 * optabs.c (emit_conditional_move): Handle relationals which
11653 have a known true/false result.
11655 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11657 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11658 a RETURN insn into a block which already ends with a jump.
11660 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11662 * haifa-sched.c (BUF_LEN): Increase a lot.
11664 2000-02-11 Nick Clifton <nickc@cygnus.com>
11666 * configure.in: Add tm_p_file specification for thumb targets.
11667 * configure: Regenerate.
11669 * config/arm/thumb-protos.h: New file: Prototypes for exported
11670 functions defined in thumb.c.
11672 2000-02-11 Robert Lipe <robertl@sco.com>
11674 * Makefile.in (bootstrap-lean): Remove additional files.
11675 (bootstrap2-lean): Likewise.
11676 (VOL_FILES): List of files for above.
11678 2000-02-11 Nathan Sidwell <nathan@acm.org>
11680 * cpphash.c (special_symbol): Remove spurious argument to
11683 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11685 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11687 * configure: Rebuilt.
11689 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11691 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11693 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11695 * pa.c, pa.h: Remove trigraph sequences within comments.
11697 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11699 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11701 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11703 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11705 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11707 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11709 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11711 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11712 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11713 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11714 (ASM_FILE_END): Use c4x_file_end.
11715 * config/c4x/c4x.c (c4x_global_label): New function.
11716 (c4x_external_ref, c4x_file_end): Likewise.
11718 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11719 (c4x_external_ref, c4x_end_file): Likewise.
11721 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11723 * cppexp.c: Don't include cpphash.h.
11724 (parse_charconst, cpp_lex): Use cpp_defined.
11725 (cpp_lex): Use get_directive_token throughout. Remove
11726 unnecessary cases from switch. Move assertion-handling code
11727 down to OTHER case.
11728 (cpp_parse_expr): If we see '+' or '-', check the context to
11729 determine if they are unary or binary operators. Streamline
11730 the jumps a bit. Do not call skip_rest_of_line.
11732 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11733 static. Export get_directive_token. Update commentary.
11734 (cpp_defined): New function.
11735 (do_define): Remove reference to T_PCSTRING. Call
11736 free_definition to release memory for old definition, when
11737 redefining a macro.
11738 (eval_if_expression): Set only_seen_white to 0 before calling
11739 cpp_parse_expr. Call skip_rest_of_line after it returns.
11740 (cpp_read_check_assertion): Don't preserve a pointer into the
11741 token buffer across a call to cpp_get_token.
11743 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11744 * cppfiles.c (redundant_include_p): Use cpp_defined.
11745 * cpphash.c (free_definition): New function.
11746 (delete_macro): Use it. Update commentary.
11747 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11749 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11750 from enum node_type. Prototype cpp_defined and get_directive_token.
11751 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11753 * fix-header.c (check_macro_names): Use cpp_defined.
11754 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11755 the options structure.
11757 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11759 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11761 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11763 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11764 rather than die->die_tag.
11766 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11768 * combine.c (make_extraction, force_to_mode): Avoid warning on
11769 mixed-signedness conditionals.
11770 (make_field_assignment, nonzero_bits): Likewise.
11771 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11772 (store_split_bit_field, extract_split_bit_field): Likewise.
11773 (extract_fixed_bit_field, store_bit_field,
11774 * expr.c: Change alignment to be unsigned everywhere.
11775 (move_by_pieces, store_constructor_field, store_constructor):
11776 Alignment parm is unsigned.
11777 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11778 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11779 (do_compare_rtx_and_jump): Likewise.
11780 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11781 Compare align with GET_MODE_ALIGNMENT.
11782 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11783 (get_inner_reference): Likewise.
11784 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11785 (expand_assignment): Local vars for alignment now unsigned.
11786 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11787 (do_compare_and_jump): Likewise.
11788 (store_field): Call new function expr_align.
11789 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11790 Alignment arg now unsigned.
11791 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11792 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11793 (extract_bit_field): Likewise.
11794 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11795 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11796 (get_best_mode): Alignment arg is unsigned.
11797 * rtl.h (move_by_pieces): Likewise.
11798 * store-layout.c (maximum_field_alignment, set_alignment):
11800 (layout_decl): Alignment arg is now unsigned.
11801 Remove unneeded casts.
11802 (layout_record, layout_union, layout_type): Remove unneeded casts.
11803 Local alignment variables now unsigned.
11804 (get_best_mode): Alignment arg now unsigned.
11805 * tree.c (expr_align): New function.
11806 * tree.h (expr_align): Likewise.
11807 (maximum_field_alignment, set_alignment): Now unsigned.
11808 (get_inner_reference): Alignment argument is now pointer to unsigned.
11809 * varasm.c (assemble_variable): Add cast to eliminate warning.
11811 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11813 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11814 then store directly into op0.
11816 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11817 the CALL_INSN, and emit the note immediately after it.
11819 2000-02-10 Nick Clifton <nickc@cygnus.com>
11821 * config/arm/thumb.md (epilogue): Include a (return) in the
11822 generated insn, and emit it using emit_jump_insn not
11825 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11827 * function.c (assign_temp): Change zero-sized arrays to size 1.
11828 * integrate.c (expand_inline_function): Do not update
11829 stack_alignment_needed
11830 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11831 add some sanity checking, remove optimization for function with
11834 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11836 * flow.c (mark_regs_live_at_end): Delete unused variables.
11838 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11840 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11841 in macro FRAME_GROWS_DOWNWARD.
11843 * stmt.c (expand_end_bindings): Delete unused variable.
11845 * unroll.c (iteration_info): Mark parameter `loop' with
11848 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11850 * fixinc/server.c (load_data): Return NULL if the marker line is
11852 (run_shell): If load_data returns NULL, retry the command once, in
11855 * configure: Rebuilt.
11857 2000-02-09 Bruce Korb <bkorb@gnu.org>
11859 * gcc/fixincludes: ** DELETED **
11860 * gcc/fixcpp: ** DELETED **
11861 * gcc/fixinc-nt.sed: ** DELETED **
11862 * gcc/just-fixinc: ** DELETED **
11863 * gcc/Makefile.in: Removed out-dated commentary
11864 * gcc/configure.in: Removed fast-fixincludes disablement.
11865 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11867 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11868 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11871 2000-02-09 Richard Henderson <rth@cygnus.com>
11873 * jump.c (delete_insn): Don't delete user labels at -O0.
11875 2000-02-09 Robert Lipe <robertl@sco.com>
11877 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11878 Don't link with HOST_LIBS.
11880 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11882 * configure.in: Correct --help text for --with-dwarf2.
11883 Put tm-dwarf2.h after other tm files, if it's requested.
11884 * configure: Regenerate.
11885 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11888 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11890 * cpplib.h: Provide HASHNODE typedef and forward decl of
11891 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11892 DEFINITION, struct hashnode, struct macrodef, struct
11893 definition, scan_decls prototype, default defn of
11894 INCLUDE_LEN_FUDGE moved elsewhere.
11896 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11897 definition, and struct hashnode moved here. Remove the unused
11898 'predefined' field from struct definition. Replace the 'args'
11899 union with its sole member. All users updated (cpphash.c).
11900 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11901 multiple include guard.
11903 * cpphash.c (hashf): Make static; use better algorithm; drop
11904 HASHSIZE parameter; return an unsigned int.
11905 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11906 used. Calculate HASHSIZE modulus here.
11907 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11909 (create_definition): Drop PREDEFINITION parameter.
11910 * cpplib.c (do_define): Don't calculate a hash value here.
11911 Don't pass (keyword == NULL) to create_definition.
11913 * scan.h: Prototype scan_decls here.
11914 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11915 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11916 callers of cpp_lookup and cpp_install updated.
11918 * cpphash.c (macarg): Hoist all the flag diddling out of the
11920 (macroexpand): ... and out of the loop that calls macarg.
11921 Skip over the initial paren before macro arguments with
11922 cpp_get_non_space_token; point may be some distance before
11923 that paren. Abort if it's not there.
11925 * cpplib.c (parse_clear_mark): Delete function.
11926 (parse_set_mark, parse_goto_mark): Make static.
11927 (ACTIVE_MARK_P): New macro.
11928 (skip_block_comment, skip_line_comment): Do not bump the line
11929 if ACTIVE_MARK_P is true.
11930 (cpp_pop_buffer): The buffer to be popped may not have an
11932 (cpp_get_token): When looking for the initial paren before
11933 macro arguments, only set a mark in a file buffer, Always
11934 return to that mark before proceeding to call macroexpand or
11935 return a NAME token.
11937 * cpplib.h: Remove prototypes of parse_set_mark,
11938 parse_clear_mark, parse_goto_mark.
11939 (struct cpp_options): Rename 'put_out_comments' to
11940 'discard_comments' and invert its sense.
11941 * cppinit.c, cpphash.c, cpplib.c: All users of
11942 put_out_comments changed to use discard_comments, with
11945 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11947 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11948 the edge from a block that both jumps and falls through to the
11951 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11953 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11954 constant source address is legitimate.
11956 2000-02-09 Philip Blundell <pb@futuretv.com>
11958 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11961 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11963 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11965 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11967 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11968 ends with a newline and a NUL. Don't be so clever manipulating
11971 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11973 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11974 not to BIGGEST_ALIGNMENT.
11976 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11978 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11979 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11980 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11981 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11982 * frame.c (execute_cfa_insn): Handle
11983 DW_CFA_GNU_negative_offset_extended.
11985 2000-02-08 Richard Henderson <rth@cygnus.com>
11987 * flow.c (tidy_fallthru_edges): Split out from ...
11988 (delete_unreachable_blocks): ... here.
11989 (find_basic_blocks): Use it.
11991 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11993 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11995 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11997 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11998 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11999 (fix-header.o): Don't depend on cpphash.h.
12001 * scan.c (hashstr): New function.
12002 * scan.h: Prototype it.
12003 * fix-header.c: Don't include cpphash.h. Use hashstr.
12004 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12005 hashstr. Report hash table statistics. Add private
12006 definition of xrealloc.
12008 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12010 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12012 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12014 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12015 jumps with returns unless they are jumps to the fallthru block.
12017 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12019 * i386.md (addqi3_cc): Fix contraints.
12021 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12023 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12025 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12027 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12028 carriage return after a macro name.
12030 2000-02-07 Fred Fish <fnf@be.com>
12032 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12033 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12035 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12037 * cppfiles.c (deps_output): Count spacers in deps_column.
12039 2000-02-07 Neil Booth <NeilB@earthling.net>
12041 * cppinit.c (initialize_dependency_output): If there is no
12042 suffix, don't try to look for known suffixes. Use strrchr.
12043 (cpp_start_read): Remove duplicate initialization.
12045 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12047 * calls.c (compute_argument_block_size): New argument
12048 preferred_stack_boundary.
12049 (expand_call): update cfun->preferred_stack_boundary, update call of
12050 compute_argument_block_size
12051 (emit_library_call): Increate cfun->preferred_stack_boundary
12052 to PREFERRED_STACK_BOUNDARY
12053 (emit_library_call_value): Likewise.
12054 * explow.c (allocate_dynamic_stack_spave): Likewise.
12055 * function.c (prepare_function_start): Set
12056 cfun->preferred_stack_boundary
12057 * function.h (struct function): Add preferred_stack_boundary field.
12058 * integrate.c (expand_inline_function): Update
12059 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12060 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12061 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12063 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12065 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12066 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12067 cpp_pedwarn, cpp_pedwarn_with_line,
12068 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12069 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12070 v_cpp_error_with_line, v_cpp_warning_with_line,
12071 cpp_message_from_errno, cpp_perror_with_name): Delete.
12073 * cpperror.c (cpp_print_containing_files): Take starting
12074 buffer as argument.
12075 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12076 (v_cpp_message): Now called directly by all entry points.
12078 (cpp_pfatal_with_name, cpp_message): Delete.
12079 (cpp_notice_from_errno, cpp_ice): New functions.
12080 (cpp_notice): Is now for reporting error conditions, just
12081 without an associated file.
12082 (cpp_error, cpp_error_with_line): Don't do anything if
12083 opts->inhibit_errors is on.
12084 (cpp_pedwarn_with_file_and_line): Take column argument also.
12086 * cpplib.h: Update prototypes of exported functions.
12087 (struct cpp_options): Add inhibit_errors.
12089 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12090 non-error messages. Include intl.h.
12092 * cppinit.c, cppmain.c: Likewise. Also, use
12093 cpp_notice_from_errno instead of cpp_perror_with_name or
12094 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12096 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12097 report internal errors.
12099 * cpplib.c (do_define): Switch bcopy to memcpy.
12100 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12102 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12103 bail out early if we hit a line comment.
12105 2000-02-06 Richard Henderson <rth@cygnus.com>
12107 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12108 * basic-block.h: Declare them.
12109 * emit-rtl.h (active_insn_p): New.
12110 (next_active_insn, prev_active_insn): Use it.
12111 * rtl.h: Declare it.
12112 * function.c (emit_return_into_block): New.
12113 (thread_prologue_and_epilogue_insns): Insert return insns instead
12114 of epilogues when possible.
12115 * jump.c (jump_optimize_1): Remove code to insert a return insn
12116 on the fallthru to the exit block.
12118 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12119 and for non-empty stack frames.
12120 * i386.md (return): Expand to return-pop as needed.
12122 2000-02-06 Richard Henderson <rth@cygnus.com>
12124 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12125 constant to op1 for testing.
12127 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12129 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12130 (fixuns_truncqfqi2): Use it.
12132 2000-02-06 Richard Henderson <rth@cygnus.com>
12134 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12135 as a TYPE_LEA insn.
12137 * i386.md (widening and peepholes): Mask the constant instead of
12140 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12142 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12143 input pointer before possibly branching off to the backslash
12145 * cpphash.c (macroexpand): Correctly delete \r escapes when
12146 stringifying parameters.
12147 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12148 if we can; bail out early if we hit a line comment.
12149 (handle_directive): Treat '# 123' in an .S file just like
12150 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12151 Return 1 for '# not_a_directive'.
12152 (get_directive_token): Pop macro buffers here, so that
12153 cpp_get_token can't sneakily move past a newline.
12155 (cpp_get_token): goto randomchar if handle_directive returns 0.
12157 * cppalloc.c: Update copyright.
12158 * cpplib.c: Merge all the static function prototypes into one
12160 * cpplib.h: Remove #if 0 block.
12162 * cpperror.c: Remove #ifdef EMACS block.
12163 * cppmain.c: Likewise.
12164 * cpphash.c: Remove #if 0 blocks.
12165 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12166 * cpplib.c: Remove #if 0 blocks and code referencing
12167 pcp_inside_if or for_lint. Remove duplicate error message.
12168 Fix error messages for #else after #else or #elif. Reformat.
12169 Remove archaic TODO list.
12170 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12172 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12174 * i386/osf1elf.h: Add missing backslash to multiline string.
12176 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12178 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12180 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12182 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12184 * c-common.c: Include expr.h.
12186 * c-pragma.c (mark_align_stack): Add prototype.
12188 * caller-save.c (add_stored_regs): Likewise.
12190 * combine.c (record_promoted_value): Likewise.
12192 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12195 * cppinit.c (new_pending_define): Likewise.
12197 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12199 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12200 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12201 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12202 class_scope_p): Likewise.
12204 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12205 dwarf2out_add_library_unit_info): Likewise.
12207 * ggc.h (ggc_page_print_statistics): Likewise.
12209 * haifa-sched.c (propagate_deps): Likewise.
12211 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12213 * rtl.h (set_stack_check_libfunc): Likewise.
12215 * toplev.h (set_fatal_function): Likewise.
12217 * toplev.c (set_fatal_function): Delete prototype.
12219 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12221 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12223 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12224 (FUNC_END): Likewise.
12226 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12228 * caller-save.c: Include tm_p.h.
12230 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12232 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12234 2000-02-04 Neil Booth <NeilB@earthling.net>
12236 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12239 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12241 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12242 * genflags.c: Use the max_operand_1 logic from genemit.c to
12243 calculate how many arguments gen_insn prototypes have. Remove
12244 NO_MD_PROTOTYPES ifdefs from the generated file.
12245 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12246 file. Cast gen_insn initializers to insn_gen_fn.
12247 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12248 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12250 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12252 * fixinc/Makefile.in (HDR): Add machname.h.
12255 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12257 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12258 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12259 (c4x_cpu_version): Ditto.
12260 * config/c4x/c4x-protos.h: ... here.
12262 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12264 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12265 gen_abstract_function on our context if we're a nested function.
12267 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12269 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12270 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12272 2000-02-04 Bruce Korb <bkorb@gnu.org>
12274 * fixinc/genfixes(machname.h):
12275 Move the functionality from gen-machine.h into this file.
12276 UNdef MN_NAME_PAT if there are no names to change.
12277 Also, be a little kinder when AutoGen is not present.
12279 * fixinc/Makefile.in(machname.h):
12280 Change the generation rule to use genfixes.
12282 * fixinc/fixfixes.c(machine_name):
12283 machine_name_fix's functionality now dependent upon whether
12284 MN_NAME_PAT is defined.
12286 * fixinc/fixtests.c(machine_name):
12289 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12292 * fixinc/fixlib.h(mn_get_regexps):
12295 * fixinc/gen-machine.h: DELETED
12297 2000-02-04 Jan Hubicka <jh@suse.cz>
12298 Richard Henderson <rth@cygnus.com>
12300 * i386.c (SAVE_REGS_FIRST): Remove.
12301 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12302 (ix86_compute_frame_size): Likewise.
12303 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12304 (ix86_emit_restore_regs): Remove.
12305 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12306 when a frame pointer is in use.
12307 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12308 instead of pop to restore a register when profitable; emit leave
12310 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12311 as a TYPE_LEA insn.
12312 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12313 * i386.md (prologue_allocate_stack): Remove.
12314 (epilogue_deallocate_stack): Remove.
12315 (pro_epilogue_adjust_stack): New.
12317 2000-02-04 Richard Henderson <rth@cygnus.com>
12319 * function.c (diddle_return_value): Rework to use a callback function.
12320 Use current_function_return_rtx if it's been set up.
12321 (do_clobber_return_reg, clobber_return_register): New.
12322 (do_use_return_reg, use_return_register): New.
12323 (expand_function_end): Use them.
12324 * stmt.c (expand_null_return): Likewise.
12325 * function.h: Declare them.
12326 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12327 (mark_reg): Change arguments as appropriate for callback.
12328 * integrate.c (expand_inline_function): Revert 19 Jan change.
12330 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12332 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12333 (Misc): Say the scheduler, not the Haifa scheduler.
12335 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12337 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12338 when in_mem is set. Update all callers.
12340 2000-02-04 Richard Henderson <rth@cygnus.com>
12342 * i386/openbsd.h (INT_ASM_OP): Define.
12344 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12346 * tm.texi: Fix various typos.
12348 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12350 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12351 (MD_STARTFILE_PREFIX_1): New macro.
12353 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12355 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12356 destination when needed.
12357 (strmovsi, strsetsi): New expander.
12358 (strmovsi_1, strsetsi_1): New pattern.
12359 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12360 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12361 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12362 * invoke.texi (align-stringops, inline-all-stringops): Document.
12364 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12366 * i386/netbsd.h (INT_ASM_OP): Define.
12368 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12370 * cpplib.h (cpp_reader): Add new flag, no_directives.
12371 * cpphash.c (macarg): Set it.
12372 * cpplib.c (handle_directive): If no_directives is on and we
12373 find a directive, issue an error and discard the line.
12375 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12377 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12378 FP constants. Add ! TARGET_FPU check for FP constants.
12380 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12382 * flow.c (find_basic_blocks): Don't kill label_value_list
12384 (cleanup_cfg): Kill it here.
12386 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12388 * expr.c (store_field): Ensure ALIGN is no stricter than the
12391 2000-02-02 Richard Henderson <rth@cygnus.com>
12393 * jump.c (delete_insn): Partially revert 19 Jan change;
12394 don't convert unused code labels to notes at -O0.
12396 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12398 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12399 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12401 2000-02-01 Richard Henderson <rth@cygnus.com>
12403 * i386.c (general_no_elim_operand): New.
12404 (nonmemory_no_elim_operand): New.
12405 (ix86_expand_move): Copy eliminable operands before a push.
12406 * i386-protos.h: Declare new functions.
12407 * i386.h (CAN_ELIMINATE): Simplify.
12408 (PREDICATE_CODES): Update.
12409 * i386.md (push insns): Don't allow eliminable register operands.
12411 2000-02-01 Richard Henderson <rth@cygnus.com>
12413 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12414 replace BLKmode with DECL_RTL's mode.
12416 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12418 * frame.c (find_fde): Convert for loop to do-while so compiler
12419 sees it's always executed at least once.
12420 * libgcc2.c (BBINBUFSIZE): Kill.
12421 (__bb_init_prg): Use fgets.
12422 (__bb_exit_trace_func): Don't paste strings.
12423 * unroll.c (unroll_loop): Initialize unroll_type, not
12424 unroll_number, and tweak logic to match.
12426 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12428 (ix86_flags_dependant): Likewise. Disentangle control flow.
12429 (ix86_sched_reorder): Break guts out to
12430 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12431 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12434 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12435 use string concatenation. Don't save and restore esi.
12437 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12438 (machname.h): Remove script to separate file. Use two-step
12439 sequence so target is not created if script fails.
12440 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12441 identifiers are defined.
12442 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12443 an empty string, machine_name doesn't need to do anything at
12445 (is_cxx_header): Add more cases to regexp.
12446 * fixinc/fixlib.h: Update prototype.
12447 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12449 * fixinc/fixincl.c: Define NO_BOGOSITY.
12451 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12452 (hp_sysfile): Add missing comma.
12453 (math_exception): Put the wrapper ifdefs at the beginning and
12454 the end of the file.
12455 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12457 2000-02-01 Richard Henderson <rth@cygnus.com>
12459 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12460 Use CONST0_RTX. Update all callers.
12461 * sparc.h, sparc-protos.h: Update accordingly.
12462 * sparc.md (fp mov insns): Use fp_zero_operand directly
12465 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12467 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12470 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12472 * Makefile.in (specs.ready): New target.
12473 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12475 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12477 * fixinc.irix: Use unique filenames for writing into /tmp,
12478 * fixinc.ptx: Likewise.
12479 * fixinc.sco: Likewise.
12480 * fixinc.svr4: Likewise.
12481 * fixinc.winnt: Likewise.
12483 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12485 * tsystem.h: New file.
12487 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12488 s-crtS): Depend on tsystem.h.
12490 * crtstuff.c: Include tsystem.h.
12491 * frame.c: Likewise.
12492 * libgcc2.c: Likewise.
12494 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12496 * builtins.c (expand_builtin_memset): Expand for variable sized
12499 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12501 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12504 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12506 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12508 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12510 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12512 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12513 case 3->2 combining (combining with splitting) in which 2 is CC0
12514 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12515 checked at the begining of the function with the aid of calling
12516 function 'can_combine_p'.
12518 2000-01-31 Dave Brolley <brolley@redhat.com>
12520 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12522 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12524 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12527 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12529 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12531 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12534 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12536 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12537 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12538 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12539 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12540 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12541 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12542 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12543 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12544 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12545 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12547 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12548 Add %(cpp_cpu) to CPP_SPEC.
12550 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12551 Add %(cc1_cpu) to CC1_SPEC.
12553 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12555 * c-decl.c (c_decode_option): Accept optional numeric argument to
12556 -Wformat and set warn_format.
12557 * c-common.c: Don't emit warning about non-constant printf format
12558 string unless warn_format > 1.
12560 2000-01-30 Richard Henderson <rth@cygnus.com>
12562 * alpha.md (return_internal): Allow after reload only.
12564 2000-01-30 Richard Henderson <rth@cygnus.com>
12566 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12567 local frame size is zero.
12569 2000-01-30 Richard Henderson <rth@cygnus.com>
12571 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12572 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12573 * alpha.md (return): Turn into an expander.
12574 (return_internal): Don't use $26.
12575 (epilogue): Emit the return insn.
12577 2000-01-30 Richard Henderson <rth@cygnus.com>
12579 * alpha.md (negtf2, abstf2): Fix word order thinko.
12580 (extendsftf2): New.
12581 (trunctfsf2): Avoid intermediate rounding errors.
12583 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12585 * cppfiles.c (find_position): Drop 'colp' argument, return the
12587 (read_and_prescan): Adjust to match. Don't ever manipulate
12588 line or line_base except via find_position.
12590 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12592 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12593 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12596 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12598 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12599 just print "<command line>". If 'filename' is null or an
12600 empty string, print "<stdin>" for the filename.
12601 * cpplib.c (do_define): Don't print the 'location of the
12602 previous definition' message if we're still parsing the
12604 (cpp_pedwarn_with_file_and_line): Always call
12605 cpp_file_line_for_message.
12607 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12609 * flow.c (mark_regs_live_at_end): Fix typo.
12611 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12613 * c-common.c: Adjust variable names, comments, help strings to c99.
12614 * c-lex.c: Likewise.
12615 * c-parse.y: Likewise.
12616 * c-tree.h: Likewise.
12617 * cccp.c: Likewise.
12618 * cpplib.h: Likewise.
12619 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12620 * cppinit.c: Likewise.
12622 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12624 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12625 * c4x.c: Define the optab rtx values.
12626 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12627 (c4x_emit_libcall): Use new optab rtx values.
12628 (c4x_emit_libcall3): Likewise.
12629 (c4x_emit_libcall_mulhi): Likewise.
12630 * c4x-protos.h: Add prototypes for optab rtx values and change
12631 prototypes for above c4x_emit_libcall functions.
12633 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12635 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12637 (c4x_function_prologue): Use regnames intead of float_reg_names when
12639 (c4x_function_epilogue): Likewise.
12640 (c4x_print_operand): Likewise.
12641 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12642 * c4x.md (set_high): Disable for TARGET_TI.
12644 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12646 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12647 of framepointer + constant to ADDR_REGS class.
12648 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12649 * c4x.c (std_or_reg_operand): New function.
12650 * c4x-protos.h (std_or_reg_operand): Prototype it.
12652 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12654 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12655 object names as libgcc2.c.
12656 * libgcc.S: Use newly defined names.
12658 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12659 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12661 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12662 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12663 (FLOW_LOOP_LAST_BLOCK): Likewise.
12665 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12667 * basic-block.h (struct loop): New fields 'first' and 'last'.
12668 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12669 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12670 and loop->last to check for NOTE_INSN_LOOP_END.
12672 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12674 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12675 of the loop descriptor rather than HEADER and LATCH. Also added
12676 missing break statements as well making some coding style modifications
12677 as suggested by Michael Hayes.
12679 2000-01-28 Richard Henderson <rth@cygnus.com>
12681 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12682 Break out that code ...
12683 (cleanup_cfg): ... here.
12684 (commit_one_edge_insertion): Detect a return instruction being
12685 emitted to an edge. Emit a barrier following; clear fallthru.
12686 (commit_edge_insertions): Verify CFG consistency.
12687 * function.c (expand_function_start): Kill unused variable.
12688 (expand_function_end): Likewise.
12689 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12690 to insert the epilogue.
12692 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12693 (delete_null_pointer_checks): Likewise.
12694 * output.h: Likewise.
12695 * reg-stack.c (reg_to_stack): Likewise.
12696 * toplev.c (rest_of_compilation): Likewise. Run
12697 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12699 2000-01-28 Richard Henderson <rth@cygnus.com>
12701 * Makefile.in (flow.o): Revert 24 Jan change.
12702 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12703 FUNCTION_VALUE result to DECL_RESULT's mode.
12705 * haifa-sched.c (schedule_insns): Don't recompute reg info
12708 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12710 * configure.in: Make --enable-cpplib the default.
12711 * configure: Regenerate.
12712 * gcc.dg/990119-1.c: No longer expected to fail.
12714 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12716 * jump.c (jump_optimize_1): Delete an optimization that is also done
12717 by merge_blocks in flow.
12719 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12721 * diagnostic.c (build_message_string, output_printf,
12722 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12723 (build_location_prefix): Fix non-literal format string.
12725 2000-01-27 Richard Henderson <rth@cygnus.com>
12727 * alpha.md (trunctfsf2): New.
12729 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12731 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12733 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12735 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12737 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12739 (skip_comment) ... here. Permit C++ comments in system
12740 headers always. Warn about C++ comments in user code under
12741 -std=gnu89 -pedantic.
12742 (copy_comment): Use skip_comment.
12743 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12745 (consider_directive_while_skipping, do_else, do_endif): Call
12746 validate_else unconditionally.
12747 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12748 text after the conditional in a system header.
12749 * cpplib.h (struct cpp_buffer): Add flag
12750 warned_cplusplus_comments.
12752 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12754 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12755 Use unshare_all_rtl_1.
12756 (unshare_all_rtl_again): New function.
12757 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12759 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12760 rather than resetting the 'used' flags ourself.
12762 * toplev.c (rest_of_compilation): Add current_function_decl
12763 to the unshare_all_rtl call.
12764 * tree.h: Prototype unshare_all_rtl.
12765 * rtl.h: Prototype unshare_all_rtl_again here.
12767 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12769 * genoutput.c (output_prologue): Include ggc.h in generated
12771 * Makefile.in (insn-output.o): Depends on ggc.h.
12773 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12774 Hans-Peter Nilsson <hp@bitrange.com>
12776 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12777 Remove redundant include of xm-ns32k.h.
12778 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12779 Remove redundant include of xm-ns32k.h.
12780 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12781 Remove redundant include of xm-ns32k.h.
12782 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12784 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12785 (TARGET_SWITCHES): Add documentation strings.
12786 (DWARF_FRAME_REGNUM): Override default definition.
12787 (REG_CLASS_CONTENTS): Add comments.
12788 (SUBSET_P): Format to reduce line length.
12789 (SMALL_REGISTER_CLASSES): Make a run time option.
12790 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12791 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12792 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12793 (regclass_map): fix typo in comment.
12794 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12795 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12796 (trace, reg_or_mem_operand): Delete, unused function.
12797 (calc_address_cost): Small offsets are cheaper than large ones.
12798 (expand_block_move): Generate more efficient code when bytes is a
12799 known at compile time.
12800 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12801 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12802 instead of reg_or_mem_operand.
12804 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12805 not general_operand. Similarly use "=rm" or stricter, not "=g".
12806 For input operands, use stricter constraints than "g" if not
12807 general_operand. Similarly use stricter predicate than
12808 "general_operand" when stricter constraints than "g" are present,
12809 except for matching constraints.
12810 (movstrsi): Use "memory_operand" for operands 0 and 1.
12811 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12812 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12813 not reg_or_mem_operand.
12814 (udivmoddisi4): Ditto.
12815 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12816 Use nonimmediate_operand for operand 3, not register_operand.
12817 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12818 reg_or_mem_operand.
12820 2000-01-27 Fred Fish <fnf@be.com>
12822 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12823 * gthr-single.h: Likewise.
12824 * gthr-solaris.h: Likewise.
12825 * gthr-vxworks.h: Likewise.
12826 * gthr-win32.h: Likewise.
12827 * gthr.h: Likewise.
12829 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12831 * cppinit.c: Add " (cpplib)" to end of string printed by
12834 2000-01-27 Richard Henderson <rth@cygnus.com>
12836 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12837 testing for a signed comparison.
12838 (alpha_emit_floatuns): New.
12839 * alpha-protos.h: Declare it.
12840 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12841 (extendsfdf2): Tidy.
12843 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12845 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12846 no -g option specifying debugging format, default to -gstabs+.
12848 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12850 * calls.c (special_function_p): New argument fork_or_exec.
12851 (expand_call): When profile_arc_flag is set and the function
12852 is in the fork_or_exec group, call __bb_fork_func first.
12853 * libgcc2.c, _bb module (__bb_fork_func): New function.
12854 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12856 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12857 * tree.h (special_function_p): Update prototype.
12859 2000-01-26 Richard Henderson <rth@cygnus.com>
12861 * alpha.c (alpha_split_tfmode_pair): New.
12862 * alpha-protos.h: Declare it.
12863 * alpha.md (abstf2, negtf2): New.
12864 (movtf insn): Add input G constraint.
12865 (movtf splitter): Use alpha_split_tfmode_pair.
12867 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12869 * i386/cygwin.h: PROTO -> PARAMS.
12871 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12873 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12874 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12875 using _Qp_cmp/_Q_cmp and testing the return value.
12876 (print_operand): Call reverse_condition_maybe_unordered if
12877 we are handling CCFPmode or CCFPEmode.
12878 Handle ORDERED, UN* and LTGT comparisons.
12879 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12880 if not TARGET_HARD_QUAD.
12881 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12882 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12883 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12884 Adjust gen_b* calls so that they reflect return comparison of
12885 sparc_emit_float_lib_cmp.
12887 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12889 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12890 incoming operands array is large enough for one more operand.
12891 (alpha_emit_xfloating_arith): Likewise.
12893 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12895 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12896 file with one line and no trailing newline.
12897 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12898 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12899 checking if the match is on the line.
12900 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12902 2000-01-25 Richard Henderson <rth@cygnus.com>
12904 * sparc.c (output_cbranch): Fix accidental squashing of the
12905 fp branch pre-delay nop.
12907 2000-01-25 Richard Henderson <rth@cygnus.com>
12909 * tree.def (UNNE_EXPR): Remove.
12910 * c-typeck.c (build_binary_op): Don't handle it.
12911 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12913 * rtl.def (UNNE): Remove.
12915 * jump.c (reverse_condition): Update accordingly.
12916 (swap_condition): Likewise.
12917 (comparison_dominates_p): Handle unordered comparisons.
12918 (reverse_condition_maybe_unordered): New.
12919 * rtl.h (reverse_condition_maybe_unordered): Declare.
12921 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12922 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12923 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12924 * sparc.md (bltgt): New.
12926 2000-01-25 Nick Clifton <nickc@redhat.com>
12928 * emit-rtl.c (emit_insn): Only check machine class insns for
12929 improper emission of a RETURN.
12931 2000-01-25 Richard Henderson <rth@cygnus.com>
12933 * Makefile.in (flow.o): Depend on $(EXPR_H).
12934 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12935 duplicate the structure of diddle_return_value for keeping regs live.
12937 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12939 * loop.c (current_loop_info): Delete.
12940 (consec_sets_invariant_p): Add loop argument, update callers.
12941 (get_condition_for_loop): Likewise.
12942 (count_nonfixed_reads, update_giv_derive): Likewise.
12943 (simplify_giv_expr, general_induction_var): Likewise.
12944 (consec_sets_giv, recombine_givs): Likewise.
12945 (move_movables): Delete loop_start and loop_end arguments,
12946 add loop argument, and update callers.
12947 (find_mem_givs, check_final_value): Likewise.
12948 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12949 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12951 (basic_induction_var): Add loop argument, delete loop_level argument,
12952 and update callers.
12953 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12954 add loop argument, and update callers.
12955 (find_splittable_regs, find_splittable_givs): Likewise.
12956 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12957 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12958 (biv_total_increment): Delete loop_start and loop_end arguments;
12960 (precondition_loop_p): Delete loop_start and loop_info arguments;
12962 * loop.h (get_condition_for_loop): Add loop argument.
12963 (biv_total_increment): Delete loop_start and loop_end arguments.
12964 (precondition_loop_p): Delete loop_start and loop_info arguments;
12966 (final_biv_value): Delete loop_start and loop_end arguments;
12968 (final_giv_value, back_branch_in_range_p): Likewise.
12970 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12972 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12974 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12976 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12977 point to the new "generated_files" doc.
12979 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12981 * config/fp-bit.c (_unord_f2): Fix typo.
12983 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12985 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12986 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12987 functions obsoleted by GC, such as push_obstacks_nochange,
12988 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12989 and code which existed only to decide whether or not to call
12990 them. Remove now-unused NESTED argument from start_function;
12991 all callers changed. Do not change behavior based on ggc_p.
12992 The use of the ixp_obstack in c-iterate.c and the util_obstack
12993 in objc/objc-act.c remain; these are not obsoleted by garbage
12995 * c-tree.h: Update prototype for start_function.
12997 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12999 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13001 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13004 2000-01-25 Richard Henderson <rth@cygnus.com>
13006 * sparc-protos.h (select_cc_mode): Declare.
13007 * sparc.c (select_cc_mode): New. Handle unordered compares.
13008 (output_cbranch): Always reverse via code change. Handle
13009 unordered compares. Factor tests and string updates.
13010 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13011 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13012 * sparc.md (bunordered, bordered): New.
13013 (bungt, bunlt, buneq, bunge, bunle): New.
13015 2000-01-25 Richard Henderson <rth@cygnus.com>
13017 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13018 * ggc-common.c (ggc_add_rtx_varray_root): New.
13019 (ggc_mark_rtx_varray): New.
13020 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13021 functions down below ggc_mark_foo.
13022 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13024 2000-01-25 Richard Henderson <rth@cygnus.com>
13026 * alpha.c (secondary_reload_class): Don't allocate a secondary
13027 for integral mode memories into FLOAT_REGS. Rearrange the more
13028 complicated memory expression inward.
13030 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13032 * inclhack.def: Fixes to play nicer with FreeBSD, and
13033 corrections to comments.
13034 (cxx_unready): Add select expression.
13035 (irix_sockaddr): Add bypass expression.
13036 (machine_ansi_h_va_list): New fix.
13037 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13038 Split out addition of "#include <stdarg.h>" to...
13039 (stdio_stdarg_h): ... here.
13040 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13041 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13042 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13044 (ultrix_ifdef): Tighten up select expression.
13046 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13047 re_ct and max_mach to avoid use of shell. Make printed names
13048 match names in inclhack.def. Use static copyright date.
13049 Don't count c_test and test expressions as requiring regex_t
13050 slots. Add some commentary.
13051 * inclhack.tpl: Do not include the 'This script contains N
13052 fixup scripts' line if PROGRAM is defined. Use static
13055 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13057 * dwarf2out.c: include "varray.h", not dyn-string.h.
13058 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13059 (addr_const_to_string, addr_to_string): Lose.
13060 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13061 (struct dw_val_struct): val_addr is now an rtx.
13062 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13063 (used_rtx_varray): New varray.
13064 (dwarf2out_init): Initialize it.
13065 (save_rtx): New fn.
13066 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13068 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13069 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13070 * Makefile.in (dwarf2out.o): Update dependencies.
13072 2000-01-24 Richard Henderson <rth@cygnus.com>
13074 * i386.c (i386_dwarf_output_addr_const): New.
13075 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13077 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13079 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13080 * i386.c (i386_simplify_dwarf_addr): New.
13081 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13083 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13085 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13086 TYPE_STUB_DECL is NULL.
13088 2000-01-24 Richard Henderson <rth@cygnus.com>
13090 * builtins.c (expand_tree_builtin): Move ...
13091 * c-common.c (expand_tree_builtin): ... here.
13093 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13095 * loop.h (LOOP_INFO): New accessor macro.
13096 * basic-block.h (struct loop): Rename field `info' to `aux'.
13097 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13098 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13099 * unroll.c (loop_iterations, unroll_loop): Likewise.
13101 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13103 * config/i386/t-cygwin: Accomodate new winsup directory layout
13104 when searching for include files.
13106 2000-01-24 Richard Henderson <rth@cygnus.com>
13108 * rtl.def: Add unordered fp comparisions.
13109 * tree.def: Likewise.
13110 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13112 * builtins.c (expand_tree_builtin): New function.
13113 * c-typeck.c (build_function_call): Use it.
13114 (build_binary_op): Support unordered compares.
13115 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13117 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13118 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13119 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13120 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13121 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13123 (swap_condition): Handle unordered compares.
13124 (thread_jumps): Check can_reverse before reversing.
13125 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13128 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13129 setcc is present before acking for cmp_optab. Update all callers.
13130 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13131 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13132 * expr.c (expand_expr): Likewise. Support unordered compares.
13133 (do_jump, do_store_flag): Likewise.
13134 * expr.h (enum libfunc_index): Add unordered compares.
13136 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13137 (DPBIT_FUNCS): Add _unord_df.
13138 * config/fp-bit.c (_unord_f2): New.
13139 * fp-test.c (main): Try unordered compare builtins.
13141 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13142 * alpha.c (alpha_comparison_operator): Check mode properly.
13143 (alpha_swapped_comparison_operator): Likewise.
13144 (signed_comparison_operator): Likewise.
13145 (alpha_fp_comparison_operator): New.
13146 (alpha_emit_conditional_branch): Handle unordered compares.
13147 * alpha.h (PREDICATE_CODES): Update.
13148 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13149 (bunordered, bordered): New.
13151 2000-01-24 Richard Henderson <rth@cygnus.com>
13153 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13154 * alpha.md (movtf): New expander, insn, and splitter.
13156 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13158 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13161 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13163 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13164 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13165 REG_ALLOC_ORDER): Add frame pointer
13166 (FRAME_POINTER_REGNUM): Set to 20
13167 (HARD_FRAME_POINTER_REGNUM): New macro.
13168 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13169 to HARD_FRAME_POINTER.
13170 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13171 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13172 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13173 (HI_REGISTER_NAMES): Add "frame".
13174 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13175 (debug_reg): Handle FRAME_POINTER_REGNUM.
13176 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13177 GENERAL_REGS and INDEX_REGS.
13178 * i386.c (SAVED_REGS_FIRST): new macro.
13179 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13180 (ix86_decompose_address, memory_address_length): Likewise.
13181 (regclass_map): Add frame pointer.
13182 (call_insn_operand): Handle frame_pointer_rtx.
13183 (reg_no_sp_operand): Likewise.
13184 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13185 (print_operand, legitimize_pic_address): Fix formating.
13186 (ix86_compute_frame_size): Make static, update prototype, new
13187 parameters padding1, padding2, use ix86_nsaved_regs, use
13188 stack_alignment_needed.
13189 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13190 to HARD_FRAME_POINTER_REGNUM conversions.
13191 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13192 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13193 (print_reg): Abort on FRAME_POINTER_REGNUM
13195 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13197 * i386.h (PREDICATE_CODES): Add aligned_operand.
13198 * i386.c (aligned_operand): New function.
13199 (ix86_aligned_p): Kill.
13200 * i386.md (movhi_1): Emit mov for aligned operands.
13201 (promoting peep2s): Use aligned_operand.
13203 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13205 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13206 expression to allow underscores in macro names.
13207 (fix_char_macro_defines): Increment scanning pointer.
13209 2000-01-23 Richard Henderson <rth@cygnus.com>
13211 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13212 * alpha/osf5.h: New file.
13213 * configure.in (alpha-*-osf5): Add it to tm_file.
13215 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13217 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13218 (alpha_emit_xfloating_cvt, function_arg): Declare.
13219 * alpha.c (alpha_emit_conditional_branch): Call
13220 alpha_emit_xfloating_compare for TFmode compares.
13221 (alpha_lookup_xfloating_lib_func): New.
13222 (alpha_compute_xfloating_mode_arg): New.
13223 (alpha_emit_xfloating_libcall): New.
13224 (alpha_emit_xfloating_arith): New.
13225 (alpha_emit_xfloating_compare): New.
13226 (alpha_emit_xfloating_cvt): New.
13227 (print_operand): Add default abort case.
13228 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13229 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13230 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13231 (RETURN_IN_MEMORY): True for TF/TCmode.
13232 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13233 (FUNCTION_ARG): Move to function_arg.
13234 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13235 (ASM_OUTPUT_LONG_DOUBLE): New.
13236 (ASM_OUTPUT_DOUBLE): Always output bits.
13237 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13238 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13239 (extenddftf2, trunctfdf2): New.
13241 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13243 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13244 * config/sparc/sol2.h: ... here.
13246 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13248 * basic-block.h (struct loops): New field `levels'.
13249 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13250 (flow_loop_level_compute): Initialise level to 1.
13251 (flow_loops_find): Set loops->levels.
13252 (flow_loops_dump): Print loops->levels.
13254 2000-01-23 Richard Henderson <rth@cygnus.com>
13256 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13257 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13259 2000-01-23 Richard Henderson <rth@cygnus.com>
13261 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13262 * i386.h (DBX_REGISTER_NUMBER): Use them.
13263 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13264 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13265 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13266 * i386/sequent.h: Kill incorrect comment.
13268 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13270 * ggc-page.c (struct page_entry): Make `context_depth' an
13272 (struct globals): Likewise.
13274 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13276 * loop.c (check_dbra_loop): When checking a loop for
13277 reversability, check the source of any stores to ensure
13278 they don't depend on an initial value.
13280 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13282 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13284 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13286 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13287 'pz_scan' into scope of entire function. Only affects
13288 compiles with -DDEBUG.
13290 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13292 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13293 section naming to that prior to 2000-01-07 patch.
13294 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13295 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13296 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13297 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13298 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13300 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13302 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13305 2000-01-21 Jim Wilson <wilson@cygnus.com>
13307 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13308 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13310 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13312 * cpphash.c (change_newlines): Delete function.
13313 (struct argdata): Delete 'newlines' and 'use_count' fields.
13314 (macroexpand): Remove code referencing those fields.
13316 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13318 * loop.c (loops_info): New variable.
13319 (loop_optimize): Allocate loops->array and free it on exit.
13320 Allocate memory for loops_info and assign to each loop,
13322 (find_and_verify_loops): Do not allocate loops->array.
13324 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13326 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13328 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13330 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13331 pseudos if expanded after first flow.
13332 (movdi_pic_label_ref): Likewise.
13334 2000-01-20 Richard Henderson <rth@cygnus.com>
13336 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13338 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13340 * Makefile.in (fixinc.sh): Depend on specs.
13341 * fixinc/Makefile.in: Add rule to create machname.h.
13342 (fixlib.o): Depend on machname.h.
13343 * fixinc/fixtests.c (machine_name): New test.
13344 * fixinc/fixfixes.c (machine_name): New fix.
13345 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13346 the machine_name test and fix.
13347 * fixinc/fixlib.h: Prototype it.
13348 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13349 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13351 * gcc.c (do_spec_1) [case P]: Take care not to create
13352 identifiers with three leading or trailing underscores.
13354 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13355 (fixincl): Don't specify libraries twice on link line.
13356 (gnu-regex.o): Remove special rule.
13357 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13358 defined by config.h. Do not define _REGEX_RE_COMP.
13359 (regcomp): Allocate and initialize a fastmap.
13360 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13362 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13364 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13366 2000-01-19 Richard Henderson <rth@cygnus.com>
13368 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13369 arguments with BB. Update all callers. Tidy line wrapping.
13371 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13373 * emit-rtl.c (try_split): Return last_insn if we split the
13376 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13378 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13379 (ix86_initial_elimination_offset): Declare.
13380 * i386.c (ix86_nsaved_regs): Break out from ...
13381 (ix86_can_use_return_insn_p): ... here.
13382 (ix86_emit_save_regs): Break out from ...
13383 (ix86_expand_prologue): ... here.
13384 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13386 (ix86_expand_epilogue): ... here.
13387 (ix86_compute_frame_size): Make static, add prototype.
13388 (ix86_initial_elimination_offset): Break out from ...
13389 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13391 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13393 * recog.h (OUT_FCN): Delete.
13395 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13397 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13399 * cppalloc.c: PROTO -> PARAMS.
13400 * cpperror.c: Likewise.
13401 * cppfiles.c: Likewise.
13402 * cpplib.c: Likewise.
13403 * cpplib.h: Likewise.
13405 * config/arm/arm-protos.h: PROTO -> PARAMS.
13406 * config/arm/arm.c: Likewise.
13407 * config/c4x/c4x.c: Likewise.
13408 * config/fr30/fr30-protos.h: Likewise.
13409 * config/nextstep.c: Likewise.
13410 * config/pa/pa.c: Likewise.
13411 * config/pj/pj.c: Likewise.
13412 * config/rs6000/rs6000.c: Likewise.
13413 * config/v850/v850-protos.h: Likewise.
13414 * config/v850/v850.c: Likewise.
13416 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13418 * i370-protos.h: New file.
13420 * i370.c: Include tm_p.h. Fix compile time warnings.
13422 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13425 * i370.md: Likewise.
13427 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13429 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13430 (target_isinf, target_isnan, eisnan): Mark parameter with
13432 (eiisinf): Wrap in INFINITY.
13433 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13434 (ibmtoe): Remove unused variable `rndsav'.
13436 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13438 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13439 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13441 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13443 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13444 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13445 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13447 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13448 Recognize Emacs mode markers also.
13449 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13450 C++ comments in C++ headers. Call is_cxx_header only if
13453 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13454 bypass for ncurses.
13455 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13456 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13457 ... these, which use the new C fixes.
13458 (math_exception): Escape literal '+' in bypass expression.
13460 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13463 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13465 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13468 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13470 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13471 prior to calling scan_loop.
13473 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13475 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13476 (split_branches, calc_live_regs): Likewise.
13478 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13480 * sh.md (fpu_single, fp_mode): New attributes.
13482 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13484 * loop.c (current_loop_info): Renamed from loop_info_data
13485 and changed to a pointer.
13486 (loop_optimize): Allocate loop_info structure for each loop
13487 and initialise to zero.
13488 (scan_loop): Set current_loop_info.
13490 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13493 2000-01-19 Richard Henderson <rth@cygnus.com>
13495 * stupid.c: Die die die.
13496 * Makefile.in (OBJS): Remove stupid.o.
13497 (stupid.o): Likewise.
13499 * except.c (emit_eh_context): Don't emit USEs for stupid.
13500 * explow.c (probe_stack_range): Likewise.
13501 * flags.h (obey_regdecls): Remove.
13502 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13503 when not optimizing.
13504 (life_analysis): Limit data collection when not optimizing.
13505 (mark_regs_live_at_end): Always mark the return value registers.
13506 (mark_used_regs): Remove dummy RETURN case.
13507 (print_rtl_with_bb): Don't consult obey_regdecls.
13508 * function.c (use_variable, use_variable_after): Remove.
13509 (assign_parms): Consult optimize not obey_regdecls.
13510 (expand_function_start): Don't emit USEs for stupid.
13511 (expand_function_end): Likewise.
13512 * global.c (build_insn_chain): Export.
13513 * integrate.c (expand_inline_function): Kill return-value USE
13515 * jump.c (jump_optimize_1): Do simple jump optimizations and
13516 dead code elimination.
13517 (calculate_can_reach_end): Remove check_deleted argument.
13518 (delete_insn): Patch out insns even when not optimizing.
13519 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13520 * rtl.h (use_variable, use_variable_after): Remove declarations.
13521 (build_insn_chain): Declare.
13522 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13523 (expand_end_bindings): Likewise.
13524 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13525 * toplev.c (obey_regdecls): Remove.
13526 (rest_of_compilation): Don't set it. Kill stupid in favour of
13527 flow1, local-alloc, and reload.
13528 (main): Don't set obey_regdecls.
13530 * config/nextstep.c (handle_pragma): Likewise.
13532 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13534 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13536 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13538 * alpha-protos.h: PROTO -> PARAMS.
13539 * alpha.c: Likewise.
13541 * h8300.c: Likewise.
13542 * i386-protos.h: Likewise.
13543 * i386.c: Likewise.
13544 * m32r-protos.h: Likewise.
13545 * m32r.c: Likewise.
13546 * mips.c: Likewise.
13547 * mips.md: Likewise.
13548 * gmon-sol2.c: Likewise.
13549 * sparc.c: Likewise.
13551 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13553 * ns32k-protos.h: New file.
13555 * ns32k.c: Fix compile time warnings.
13557 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13560 * ns32k.md: Likewise.
13562 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13564 * vax-protos.h: New file.
13566 * vax.c: Fix compile time warnings.
13568 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13571 * vax.md: Likewise.
13573 * vaxv.md: Likewise.
13575 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13577 * romp-protos.h: New file.
13579 * romp.c: Fix compile time warnings.
13581 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13584 * romp.md: Likewise.
13586 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13588 * we32k-protos.h: New file.
13590 * we32k.c: Fix compile time warnings.
13592 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13595 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13597 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13599 * except.c (eh_regs): Likewise.
13601 * final.c (output_operand): Likewise.
13603 * fold-const.c (target_isinf, target_isnan): Likewise.
13605 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13607 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13608 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13610 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13611 when optimize_size.
13612 (clrstrsi): Rewrite.
13613 (strsethi, strsetqi): New expanders.
13614 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13615 (cmpstrsi): Emit compare insn before cmpstrsi_1
13616 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13617 (strlensi_1): Likewise.
13618 (cmpstrsi_1): Likewise; do not output compare.
13619 (strlen expander): Do not unroll when optimizing for size.
13620 (*subsi3_carry): Rename to subsi3_carry
13621 (addqi3_cc): New pattern.
13622 * i386.h (processor_costs): Add move_ratio field.
13623 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13624 * i386.c (*_cost): Set move_ratio.
13625 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13626 (x86_expand_strlensi_1): Rewrite the main loop.
13628 2000-01-17 Richard Henderson <rth@cygnus.com>
13630 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13631 * cse.c (find_comparison_args, fold_rtx): Likewise.
13632 * integrate.c (subst_constants): Likewise.
13633 * loop.c (get_condition): Likewise.
13635 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13637 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13639 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13641 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13642 (RESTORE_WARN_FLAGS): Unpack it.
13643 Change semantic type of extension to ttype.
13644 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13645 * c-parse.y, c-parse.c, objc/objc-parse.y,
13646 objc/objc-parse.c: Regenerate.
13648 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13650 * fixinc/fixlib.c: Add copyright notice.
13651 (compile_re): New function.
13652 * fixinc/fixlib.h: Prototype compile_re.
13654 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13655 Use compile_re to compile regular expressions.
13657 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13658 where the pattern matched.
13660 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13662 (ultrix_ansi_compat): Likewise.
13663 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13665 (interactv_add2, interactv_add3): Delete.
13666 (x11_sprintf): Don't use filename glob.
13667 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13670 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13672 * print-rtl.c: PROTO -> PARAMS.
13673 * real.c: Likewise.
13674 * reg-stack.c: Likewise.
13675 * resource.c: Likewise.
13676 * sdbout.h: Likewise.
13677 * simplify-rtx.c: Likewise.
13678 * stor-layout.c: Likewise.
13679 * stupid.c: Likewise.
13680 * xcoffout.c: Likewise.
13681 * xcoffout.h: Likewise.
13683 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13685 * toplev.c: PROTO -> PARAMS.
13686 * toplev.h: Likewise.
13687 * tree.c: Likewise.
13688 * tree.h: Likewise.
13689 * unroll.c: Likewise.
13690 * varasm.c: Likewise.
13691 * varray.c: Likewise.
13692 * varray.h: Likewise.
13694 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13696 * reload.c: PROTO -> PARAMS.
13697 * reload.h: Likewise.
13698 * reload1.c: Likewise.
13699 * reorg.c: Likewise.
13700 * resource.h: Likewise.
13703 * rtlanal.c: Likewise.
13704 * sbitmap.h: Likewise.
13705 * sdbout.c: Likewise.
13706 * stack.h: Likewise.
13707 * stmt.c: Likewise.
13708 * system.h: Likewise.
13710 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13712 * machmode.h: PROTO -> PARAMS.
13713 * mbchar.h: Likewise.
13714 * mips-tdump.c: Likewise.
13715 * mips-tfile.c: Likewise.
13716 * optabs.c: Likewise.
13717 * output.h: Likewise.
13718 * prefix.c: Likewise.
13719 * profile.c: Likewise.
13720 * protoize.c: Likewise.
13721 * real.h: Likewise.
13722 * recog.c: Likewise.
13723 * recog.h: Likewise.
13724 * regclass.c: Likewise.
13725 * regmove.c: Likewise.
13726 * regs.h: Likewise.
13728 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13730 * ggc-common.c: PROTO -> PARAMS.
13731 * ggc-page.c: Likewise.
13732 * ggc-simple.c: Likewise.
13734 * global.c: Likewise.
13735 * graph.c: Likewise.
13736 * gthr-win32.h: Likewise.
13737 * haifa-sched.c: Likewise.
13738 * halfpic.h: Likewise.
13739 * integrate.c: Likewise.
13740 * integrate.h: Likewise.
13741 * jump.c: Likewise.
13743 * local-alloc.c: Likewise.
13744 * loop.c: Likewise.
13745 * loop.h: Likewise.
13747 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13749 * genattr.c: PROTO -> PARAMS.
13750 * genattrtab.c: Likewise.
13751 * gencheck.c: Likewise.
13752 * gencodes.c: Likewise.
13753 * genconfig.c: Likewise.
13754 * genemit.c: Likewise.
13755 * genextract.c: Likewise.
13756 * genflags.c: Likewise.
13757 * gengenrtl.c: Likewise.
13758 * genopinit.c: Likewise.
13759 * genoutput.c: Likewise.
13760 * genpeep.c: Likewise.
13761 * genrecog.c: Likewise.
13763 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13765 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13767 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13769 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13770 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13771 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13772 * configure, config.in: Rebuilt.
13774 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13776 * config/i386/i386.md: Add peephole to merge successive stack
13779 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13781 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13782 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13783 when walking backwards to find all the parameter loads when
13784 the basic block ends in a call.
13786 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13788 * loop.c (this_loop_info): Delete.
13789 (uid_loop): Add in place of uid_loop_num. All uses updated.
13790 (loop_number_exit_count): Delete and replace with entry in loop
13791 structure. All uses updated.
13792 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13793 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13794 (loop_outer_loop): Likewise.
13795 (loop_invalid, loop_number_exit_labels): Likewise.
13796 (loop_used_count_register): Delete and replace with entry in
13797 loop_info structure.
13798 (find_and_verify_loops): Add loops argument.
13799 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13800 loop_end, etc. arguments with loop structure pointer. All callers
13802 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13803 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13804 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13805 (insert_bct): Likewise.
13806 (basic_induction_var): New argument level.
13807 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13808 vtop, and cont. Add used_count_register.
13809 (uid_loop): Delete declaration.
13810 (loop_number_exit_count): Likewise.
13811 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13812 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13813 (loop_outer_loop, loop_used_count_register): Likewise.
13814 (loop_invalid, loop_number_exit_labels): Likewise.
13815 (unroll_loop): Replace loop_start and loop_end arguments
13816 with loop structure pointer.
13817 (loop_precondition_p, loop_iterations): Likewise.
13818 Include basic-block.h.
13819 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13820 with loop structure pointer.
13821 (loop_precondition_p, loop_iterations): Likewise.
13822 * basic-block.h (struct loop): New entries vtop, cont,
13823 cont_dominator, start, end, top, scan_start, exit_labels,
13825 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13827 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13829 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13831 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13833 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13835 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13837 * pdp11-protos.h: New file.
13839 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13842 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13845 * pdp11.md: Likewise.
13847 * 2bsd.h: Likewise.
13849 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13851 * mn10300-protos.h: New file.
13853 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13856 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13859 * mn10300.md: Likewise.
13861 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13863 * mn10200-protos.h: New file.
13865 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13868 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13871 * mn10200.md: Likewise.
13873 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13875 * h8300-protos.h: New file.
13877 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13880 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13883 * h8300.md: Likewise.
13885 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13887 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13888 (asm_emit_uninitialised): Likewise.
13890 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13892 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13893 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13895 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13897 * config/mips/mips.c (override_options): Don't turn on extra
13898 alignment for mips16.
13900 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13902 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13903 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13906 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13908 * builtins.c (PAD_VARARGS_DOWN): Define.
13909 (std_expand_builtin_va_arg): Use the above macro.
13910 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13911 * tm.texi (Register Arguments): Document the above macro.
13913 2000-01-14 Nick Clifton <nickc@cygnus.com>
13915 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13916 that this function has not been used to emit a jump
13919 * jump.c (return_jump_1): Cope with being passed a null rtx.
13921 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13923 * eh-common.h: PROTO -> PARAMS.
13924 * emit-rtl.c: Likewise.
13925 * errors.c: Likewise.
13926 * errors.h: Likewise.
13927 * except.c: Likewise.
13928 * except.h: Likewise.
13929 * explow.c: Likewise.
13930 * expmed.c: Likewise.
13931 * expr.c: Likewise.
13932 * expr.h: Likewise.
13933 * final.c: Likewise.
13934 * fix-header.c: Likewise.
13935 * flow.c: Likewise.
13936 * fold-const.c: Likewise.
13937 * function.c: Likewise.
13938 * function.h: Likewise.
13940 * gcov-io.h: Likewise.
13941 * gcov.c: Likewise.
13942 * gcse.c: Likewise.
13944 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13946 * sh-protos.h: New file.
13948 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13949 Add static prototypes. Fix compile time warnings.
13951 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13955 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13957 * arc-protos.h: New file.
13959 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13962 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13965 * arc.md: Likewise.
13967 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13969 * dsp16xx-protos.h: New file.
13971 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13974 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13977 * dsp16xx.md: Likewise.
13979 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13981 * convex-protos.h: New file.
13983 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13986 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13989 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13991 * elxsi-protos.h: New file.
13993 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13996 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13999 * elxsi.md: Likewise.
14001 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14003 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14004 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14005 match the comment for MIPS16.
14007 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14009 * flow.c (split_edge): Do not call set_block_for_insn if we
14010 do not have a basic_block_for_insn structure.
14012 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14013 and destination functions are 32bit aligned within the trampoline.
14014 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14015 (TRAMPOLINE_ALIGNMENT): Define.
14017 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14018 (set (pc) (label_ref)), verify the change creates a valid insn.
14020 * fr30.c (call_operand): Tighten and rework to match rules for
14021 call RTL expressions.
14022 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14023 * fr30.md (call patterns): Improve constraints.
14025 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14027 * fr30.c (fr30_expand_epilogue): Revert last change.
14028 Use emit_jump_insn for the return insn.
14030 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14031 Stan Cox <scox@cygnus.com>
14033 * predict.c: New file. Preliminary infrastructure work for static
14034 branch prediction and basic block reordering.
14035 * basic-block.h: Add prototype for estimate_probability.
14036 * Makefile.in: Add rules for predict.o.
14038 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14040 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14041 * fixinc/*: Likewise.
14043 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14045 * cccp.c: PROTO -> PARAMS.
14046 * cexp.y: Likewise.
14047 * collect2.c: Likewise.
14048 * combine.c: Likewise.
14049 * convert.h: Likewise.
14051 * dbxout.c: Likewise.
14052 * dbxout.h: Likewise.
14053 * diagnostic.c: Likewise.
14054 * doprint.c: Likewise.
14055 * dwarf2out.c: Likewise.
14056 * dwarf2out.h: Likewise.
14057 * dwarfout.c: Likewise.
14058 * dwarfout.h: Likewise.
14059 * dyn-string.h: Likewise.
14061 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14063 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14064 macro conditionals guarding use.
14066 * dwarf2out.c: Include "tm_p.h".
14068 * function.c (locate_and_pad_parm): Mark parameter with
14070 (expand_function_end): Likewise for variable `context'.
14072 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14074 2000-01-13 Nick Clifton <nickc@cygnus.com>
14076 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14077 register to prevent compile time warnings.
14079 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14081 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14082 to avoid -Wtraditional warning.
14084 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14086 * 1750a-protos.h: New file.
14088 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14091 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14094 * 1750a.md: Likewise.
14096 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14098 * a29k-protos.h: New file.
14100 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14103 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14106 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14108 * clipper-protos.h: New file.
14110 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14113 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14116 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14118 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14120 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14122 * configure.in (--enable-new-gxx-abi): New option.
14123 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14124 * Makefile.in (GXX_ABI_FLAG): New variable.
14125 * configure: Regenerate.
14127 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14129 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14130 * tm.texi (FORCE_STRUCT_BLK): Document.
14131 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14133 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14135 * config/ns32k/ns32k.md: Revert Jan 9 change.
14137 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14138 to a mode-test, if the predicate is address_operand.
14140 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14142 * combine.c (if_then_else_cond): Be careful about what kinds
14143 of RTL expressions are passed to operand_subword.
14145 * flow.c (split_edge): If we have to insert a new jump, make
14146 sure to associate it with a basic block.
14148 * flow.c (commit_one_edge_insertion): A block with one successor
14149 can end in a JUMP_INSN that is not a simplejump.
14151 2000-01-12 Robert Lipe <robertl@sco.com>
14153 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14154 (BUILD_VA_LIST_TYPE): Define.
14155 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14158 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14160 * cccp.c (do_pragma): Add cast to (char *).
14162 2000-01-12 Richard Henderson <rth@cygnus.com>
14163 Fred Fish <fnf@be.com>
14164 Jason Merrill <jason@cygnus.com>
14166 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14167 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14168 * i386/beos-elf.h, i386/beos-pe.h: New files.
14170 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14171 * cross-make (SYSTEM_HEADER_DIR): Define using
14172 CROSS_SYSTEM_HEADER_DIR.
14174 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14175 (process_command): Use it.
14176 (main): Likewise. Kill trailing = from env vars.
14177 (build_search_list): Put it back.
14178 * collect2.c (main): Use LIBRARY_PATH_ENV.
14180 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14181 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14183 * tm.texi (Frame Layout): Document SMALL_STACK.
14184 * c-common.c (c_common_nodes_and_builtins): Check it.
14186 * system.h: Undef alloca after including glibc's <stdlib.h>,
14187 if USE_C_ALLOCA is defined.
14189 * gcc.c (set_input): New fn.
14190 (main): After all input files are compiled, reset the input file
14193 * aclocal.m4 (rindex, index): If already defined, don't attempt
14196 * ginclude/varargs.h: (__va_list__): Define ifndef.
14197 * ginclude/stdarg.h: Likewise.
14199 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14200 instead of unsigned char.
14202 * hash.h (true, false, boolean): Undef before enum.
14204 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14205 proper type of "HOST_WIDE_INT *", rather than their natural type of
14206 "unsigned HOST_WIDE_INT *".
14208 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14210 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14212 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14214 * regclass.c (choose_hard_reg_mode): Likewise.
14216 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14218 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14220 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14222 * c-common.c: PROTO -> PARAMS.
14223 * c-common.h: Likewise.
14224 * c-decl.c: Likewise.
14225 * c-iterate.c: Likewise.
14226 * c-lang.c: Likewise.
14227 * c-lex.c: Likewise.
14228 * c-lex.h: Likewise.
14229 * c-parse.in: Likewise.
14230 * c-pragma.c: Likewise.
14231 * c-pragma.h: Likewise.
14232 * c-tree.h: Likewise.
14233 * c-typeck.c: Likewise.
14234 * objc/objc-act.c: Likewise.
14235 * objc/objc-act.h: Likewise.
14237 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14239 * m88k-protos.h: New file.
14241 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14244 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14246 * m88k.md: Likewise.
14248 * tekXD88.h: Likewise.
14250 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14252 * m68k-protos.h: New file.
14254 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14257 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14259 * mot3300.h: Likewise.
14261 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14263 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14265 (extract_bitlist): Declare bitlen.
14267 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14269 * cccp.c: Accept and ignore -lang-fortran.
14271 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14272 qualifiers don't match at any level of pointerness.
14274 2000-01-12 Robert Lipe <robertl@sco.com>
14276 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14278 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14280 * reload1.c (reload_reg_unavailable): New static variable.
14281 (reload_reg_free_p): Test it.
14282 (reload_reg_free_for_value_p): Test it instead of
14284 (choose_reload_regs_init): Compute it.
14286 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14288 * reorg.c (fill_slots_from_thread): Check modified_in_p
14291 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14293 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14294 these nodes even if INTERNALS is not set.
14296 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14298 * gcse.c (delete_null_pointer_checks_1): Cope when
14299 get_condition cannot determine the condition.
14301 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14303 * toplev.h (set_message_length): Declare.
14305 * diagnostic.c (obstack_chunk_alloc): Define macro.
14306 (obstack_chunk_free): Likewise.
14307 (struct output_buffer): New data structure.
14308 (vmessage): Remove.
14309 (output_maximum_width): New variable.
14310 (doing_line_wrapping, set_message_length, init_output_buffer,
14311 get_output_prefix, output_space_left, emit_output_prefix,
14312 output_newline, output_append, output_puts, dump_output,
14313 vbuild_message_string, build_message_string, build_location_prefix,
14314 voutput_notice, output_printf, line_wrapper_printf,
14315 vline_wrapper_message_with_location): New functions. Implement
14316 automatic line wrapping.
14317 (v_message_with_decl): Make it handle automatic line wrapping.
14318 (v_error_with_file_and_line): Likewise.
14319 (v_warning_with_file_and_line): Likewise.
14320 (announce_function): Likewise.
14321 (default_print_error_function): Likewise.
14323 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14325 * cpplib.h (struct cpp_options): Change lang_asm to char.
14327 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14328 done in cpp_handle_option now.
14329 (initialize_builtins): Take out special case code used only by
14331 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14332 if -traditional. Recognize -lang-fortran and set
14333 lang_fortran, also turn off cplusplus_comments.
14334 (print_help): Document -lang-fortran.
14335 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14336 lang_asm. Ignore all directives other than `# 123 "file"' if
14338 (cpp_get_token): If -traditional, don't recognize directives
14339 unless the # is in column 1.
14340 (parse_string): If lang_fortran or lang_asm, silently
14341 terminate strings ('' or "") at end of line.
14342 Remove unnecessary braces.
14344 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14345 Richard Henderson <rth@cygnus.com>
14347 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14349 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14350 strict_low_part when possible.
14352 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14354 * alias.c: PROTO -> PARAMS.
14355 * basic-block.h: Likewise.
14356 * bitmap.c: Likewise.
14357 * bitmap.h: Likewise.
14358 * builtins.c: Likewise.
14359 * c-aux-info.c: Likewise.
14360 * caller-save.c: Likewise.
14361 * calls.c: Likewise.
14363 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14365 * Makefile.in (toplev.o): Depend on regs.h.
14367 * output.h (tdesc_section): Prototype.
14369 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14371 * sdbout.c: Include "tm_p.h".
14373 * toplev.c: Include "regs.h".
14375 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14377 * unroll.c (unroll_loop): Add EH support.
14379 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14381 * pa-protos.h: New file.
14383 * pa.c: Include recog.h and tm_p.h.
14384 (compute_zdepwi_operands, compute_movstrsi_length,
14385 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14386 find_addr_reg, import_milli): Add static prototypes.
14387 (pa_cpu_string, pa_arch_string): Constify a char*.
14388 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14389 (read_only_operand): Add argument `mode'.
14390 (singlemove_string, output_move_double, output_fp_move_double,
14391 output_block_move, output_and, output_ior, output_ascii,
14392 remove_useless_addtr_insns, milli_names, output_mul_insn,
14393 output_div_insn, output_mod_insn, output_arg_descriptor,
14394 output_cbranch, output_bb, output_bvb, output_dbra, ,
14395 output_millicode_call, output_call, hppa_encode_label,
14396 output_parallel_movb, output_parallel_addb): Constify a char*.
14397 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14398 (output_parallel_addb): Remove extra arg to `constrain_operands'
14400 * pa.h: Move all prototypes to pa-protos.h.
14401 (pa_cpu_string, pa_arch_string): Constify a char*.
14402 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14404 * pa.md: Call `function_label_operand' with mode argument.
14405 Likewise for `read_only_operand'.
14406 Fix nesting of parens in call to `symbolic_operand'.
14408 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14410 * i860-protos.h: New file.
14412 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14415 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14417 * i860.md: Likewise.
14419 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14421 * i386.md (movstrsi expander): Rewrite.
14422 (movstrsi_1 insn): Deleted.
14423 (strmovhi, strmovqi expander): New expanders.
14424 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14425 * i386.c (x86_single_stringop): New global variable.
14426 * i386.h (x86_single_stringop): Declare.
14427 (TARGET_SINGLE_STRINGOP): New macro.
14429 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14431 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14432 integer vararg POSTINCREMENT before the destination of the jump
14433 for the hard fp case.
14434 (function_arg_pass_by_reference): Pass a copy of CUM to
14437 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14438 for CONSTANT_ADDRESS_P above while loop for subreg.
14440 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14442 * flow.c (propagate_block): When a prologue/epilogue insn
14443 is marked dead, unconditionally clear libcall_is_dead and
14444 insn_is_dead, and only dump rtl if warnings aren't being
14447 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14449 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14450 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14451 (FIXED_REGISTERS): Set dirflag as fixed.
14452 (CALL_USED_REGISTERS): Set dirflag as used.
14453 (REG_ALLOC_ORDER): Set dirflag as last one.
14454 (DIRFLAG_REG): New macro.
14455 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14456 (HI_REGISTER_NAMES): Add dirflag.
14457 (DEBUF_PRINT_REG): Handle dirflag.
14458 * i386.md (type attribute): New cld and str types.
14459 (length_opcode attribute): Set cld and str to 1.
14460 (memory attribute): Set str to unknown - it is not clear from the
14462 (pent_np function unit): Prefixed string operations takes 12 cycles
14463 minimally; cld takes 2 cycles.
14464 (ppro_uops attribute): Str is "many" and cld is "few".
14465 (ppro_p0 unit): Handle cld here.
14466 (k6_alux unit): Handle cld and str types.
14467 (k6_load unit): It is ocupied by str opcodes.
14468 (k6_store unit): It is ocupied by str opcodes.
14469 (athlon_decode): Str is vector decoded.
14470 (athlon_ieu): Handle str and cld.
14471 (cld pattern): New.
14472 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14473 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14474 cmpstrsi_nz_1 insn): Do not output cld instruction
14476 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14478 * gcc.texi (G++ and GCC): Add Java and Chill.
14479 (Bug Critera): Don't list languages.
14481 * gcc.texi (Incompatibilities): No longer claim most C compilers
14484 * gcc.texi (G++ and GCC): Update other front-ends list.
14486 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14488 * i386.c (ix86_expand_setcc): Fix typo.
14489 (ix86_expand_movcc): Similarly.
14491 * Band-aid until haifa's bitset implementation is nuked.
14492 * haifa-sched.c (extract_bitlst): New parameter for size of the
14493 bitset in bits. All callers changed. Avoid looking at undefined
14494 bits in the bitset.
14495 (edgeset_bitsize): New variable.
14496 (schedule_region): Initialize edgeset_bitsize.
14498 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14500 * Makefile.in (optabs.o): Depend on real.h
14501 (resource.o): Depend on insn-attr.h
14503 * builtins.c (result_vector): Wrap prototype in macro conditions
14504 governing definition and use.
14506 * c-common.c: Include tm_p.h.
14508 * c-lex.c: Likewise.
14510 * elfos.h: Constify a char*.
14512 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14513 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14514 parameter with ATTRIBUTE_UNUSED.
14516 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14519 * haifa-sched.c (schedule_insns): Mark parameter with
14522 * optabs.c: Include real.h.
14524 * real.h (ereal_atof): Add prototype arguments.
14526 * resource.c: Include insn-attr.h.
14528 * sdbout.c (sdbout_queue_anonymous_type,
14529 sdbout_dequeue_anonymous_types): Wrap in macro
14530 SDB_ALLOW_FORWARD_REFERENCES.
14531 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14534 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14536 * stupid.c: Include tm_p.h.
14538 * tree.c (real_value_from_int_cst): Mark parameter with
14541 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14543 * i960-protos.h: New file.
14545 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14548 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14550 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14552 * combine.c (expand_field_assignment): Do not discard SUBREGs
14553 while computing nonzero_bits.
14555 2000-01-09 Nick Clifton <nickc@cygnus.com>
14557 * config/arm/arm.c: Fix compile time warnings about signed vs
14558 unsigned constants.
14559 * config/arm/arm.h: Fix compile time warnings about signed vs
14560 unsigned constants.
14562 2000-01-09 Philip Blundell <philb@gnu.org>
14564 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14565 than `ldm' with only one register.
14566 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14569 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14572 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14574 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14577 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14579 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14580 assignment used as truth value.
14582 * function.c (assign_temp): Mark parameter `dont_promote' with
14583 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14584 PROMOTE_FOR_CALL_ONLY.
14586 * genrecog.c (write_subroutine): Mark variable `operands' with
14589 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14592 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14593 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14595 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14598 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14600 * config/c4x.h: Tidy up comments.
14601 * config/c4x.c: Likewise.
14603 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14605 * fold-const.c (lshift_double, rshift_double): Handle
14606 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14608 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14610 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14611 in prepare_function_start().
14613 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14615 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14616 longer allocate extra stack for function calls.
14618 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14620 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14622 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14624 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14626 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14628 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14629 * aix43.h: Revert Aug 2 change.
14630 (HAS_INIT_SECTION): Define, not visible yet.
14631 (LD_INIT_SWITCH): Define, not visible yet.
14632 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14634 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14636 * collect2.c (main): Expand ld2 size further.
14637 (export_object_lst): Cast assignment to avoid warning.
14638 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14639 (scan_prog_file, COFF): Do not collect initialization or
14640 finalization functions generated for entire shared object if
14641 init/fini support present.
14643 2000-01-07 Nick Clifton <nickc@cygnus.com>
14645 * config/elfos.h: Tidy up formatting of marcos. Make sure
14646 that .section directives are always prefixed by a tab.
14648 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14651 2000-01-07 Matt Austern <austern@sgi.com>
14653 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14656 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14658 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14660 (crtbegin.o, s-crtS): Likewise.
14662 2000-01-06 Richard Henderson <rth@cygnus.com>
14664 * alpha.md (adddi_2+1): Limit offset such that it will be
14665 loadable with a single ldah+lda pair.
14666 (adddi_2+2): Explicitly fail split if we can't make it work.
14668 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14670 * protoize.c: Conditionally include unistd.h.
14671 (IS_SAME_PATH_CHAR): New macro.
14672 (IS_SAME_PATH): New macro.
14673 (CPLUS_FILE_SUFFIX): New macro.
14674 (cplus_suffix): New static variable.
14675 (is_abspath): New static function.
14676 (in_system_include_dir): Handle DOS style pathnames.
14677 (file_could_be_converted): Likewise.
14678 (file_normally_convertible): Likewise.
14679 (directory_specified_p): Likewise.
14680 (file_excluded_p): Likewise.
14681 (abspath): Likewise.
14682 (shortpath): Likewise.
14683 (referenced_file_is_newer): Likewise.
14684 (save_def_or_dec): Likewise.
14685 (do_processing): Likewise.
14687 (edit_file): Likewise. Use rename instead of link.
14688 (rename_c_file): Likewise. Don't rename syscalls file.
14689 (munge_compile_params): Define null device for DOS based systems.
14690 (process_aux_info_file): Use binary mode if appliable.
14691 (edit_file): Likewise.
14692 * invoke.texi (Running Protoize): Document C++ suffixes used.
14694 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14695 IS_DIR_SEPARATOR macros.
14696 * collect2.c: Likewise.
14697 * cppinit.c: Likewise.
14698 * dwarf2out.c: Likewise.
14700 * gcov.c: Likewise.
14701 * prefix.c: Likewise.
14703 * toplev.c: Likewise.
14704 * system.h: And move to here.
14706 * prefix.c (update_path): Fix typo in variable name.
14708 2000-01-06 Richard Henderson <rth@cygnus.com>
14710 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14711 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14712 (count_reg_sets_1, count_reg_references): Likewise.
14713 (flow_loops_level_compute): Start counting actual loop depth at 1.
14714 (flow_loops_find): Likewise.
14715 * local-alloc.c (update_equiv_regs): Likewise.
14716 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14718 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14720 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14721 FIRST_PSEUDO_REGISTER
14722 * dwarf2out.c: Don't include frame.h
14723 * dwarfout.c: Likewise
14724 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14727 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14729 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14732 * i386.c (movsf splitter): Fix typo in my last checkin.
14734 2000-01-05 Nick Clifton <nickc@cygnus.com>
14736 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14737 own definition of this macro.
14738 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14739 flag_data_sections or UNIQUE_SECTION_P are true.
14741 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14742 unitialised data decls.
14744 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14745 being called for uninitialised data.
14747 * config/i386/interix.c (i386_pe_unique_section): Cope with
14748 being called for uninitialised data.
14750 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14751 for uninitialised data.
14753 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14754 for uninitialised data.
14756 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14757 for uninitialised data.
14759 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14760 (UNIQUE_SECTION_P): Always generate a unique section if
14761 flag_data_sections is true.
14762 (UNIQUE_SECTION): Also generate unique sections for
14763 uninitialised data.
14764 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14765 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14768 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14770 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14773 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14775 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14776 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14777 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14778 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14779 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14781 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14783 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14785 * c-decl.c (finish_enum): Simplify code to determine minimum and
14786 maximum values of the enum, and calculate the type. Remove check
14787 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14788 the DECL_INITIAL of each enumeration constant with a copy converted
14789 to the enumeration type. When updating variant types, don't bother
14790 updating the type itself.
14792 * c-typeck.c (build_binary_op): Simplify conditional expressions
14793 when weeding out spurious signed-unsigned warnings. Add new
14794 spurious warning category: if the unsigned quantity is an enum
14795 and its maximum value fits in signed_type(result_type). Update
14797 (build_conditional_expr): Warn here if one alternative is signed
14798 and the other is unsigned.
14800 2000-01-05 Nick Clifton <nickc@cygnus.com>
14802 * config/fr30/fr30.h: Remove extraneous comments.
14804 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14806 * reload1.c (choose_reload_regs): When disabling a reload, also
14807 set reload_spill_index to -1.
14809 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14811 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14813 (m68*-*-rtemself*): New target.
14814 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14815 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14816 (sparc*-*-rtemself*): New target.
14817 (sparc*-*-rtems*): Now elf not a.out.
14818 * config/i386/rtems.h: Include config/rtems.h.
14819 * config/i386/rtemself.h: Include config/rtems.h.
14820 * config/i960/rtems.h: Include config/rtems.h.
14821 * config/m68k/rtems.h: Include config/rtems.h.
14822 * config/m68k/rtemself.h: Include config/rtems.h.
14823 * config/mips/rtems64.h: Include config/rtems.h.
14824 * config/pa/rtems.h: Include config/rtems.h.
14825 * config/rs6000/rtems.h: Include config/rtems.h.
14826 * config/sh/rtems.h: Include config/rtems.h.
14827 * config/sh/rtemself.h: Include config/rtems.h.
14828 * config/sparc/rtems.h: Include config/rtems.h.
14829 * config/sparc/rtemself.h: Include config/rtems.h
14831 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14833 * final.c (shorten_branches): Correctly compute length of
14834 asms without operands.
14836 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14838 * configure.in: Add pj target.
14839 * configure: Regenerate.
14840 * config/pj: New directory.
14841 * config/pj/lib1funcs.S: New file.
14842 * config/pj/linux.h: New file.
14843 * config/pj/pj.c: New file.
14844 * config/pj/pj.md: New file.
14845 * config/pj/pjl.h: New file.
14846 * config/pj/t-pj: New file.
14847 * config/pj/xm-pj.h: New file
14849 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14851 * toplev.c (rest_of_compilation): Run shorten-branches before
14854 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14856 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14857 macros so that they're consistent with their names.
14858 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14859 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14861 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14863 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14864 modified inadvertently.
14866 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14868 * configure.in (v850*-*-rtems*): New target.
14869 * configure: Regenerate.
14870 * config/v850/rtems.h: New file.
14872 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14874 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14875 (__gthread_key_create): Likewise.
14876 (__gthread_key_dtor): Likewise.
14877 (__gthread_once): Fix logic.
14878 (__gthread_key_delete): Cast away constness.
14880 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14881 * invoke.texi: Document.
14882 * i386/mingw32.h (CPP_SPEC): Use.
14883 (LIBGCC_SPEC): Likewise.
14884 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14886 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14888 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14889 (HANDLE_PRAGMA_PACK): Undefine.
14890 (SLOW_UNALIGNED_ACCESS): Define.
14892 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14894 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14895 to default definition.
14896 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14897 (store_fixed_bit_field): Call macro with word_mode and alignment.
14898 (extract_bit_field): Call macro with relevant mode and alignment.
14899 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14900 to default definition.
14901 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14903 (move_by_pieces_ninsns): Likewise.
14904 (clear_by_pieces): Likewise.
14905 (emit_push_insn): Likewise.
14906 (store_field): Call macro with relevant mode and alignment.
14907 (expand_expr): Likewise.
14908 (expand_expr_unaligned): Likewise.
14910 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14911 (SLOW_UNALIGNED_ACCESS): Define.
14912 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14913 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14914 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14915 (toc_section): Likewise and .toc pseudo-op.
14916 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14918 (TEXT_SECTION_ASM_OP): Likewise.
14919 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14922 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14923 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14924 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14925 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14926 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14928 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14930 * regclass.c: Revert my Jan 4 change to loop cost computation.
14932 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14934 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14937 2000-01-04 Stan Cox <scox@cygnus.com>
14939 * haifa-sched.c (build_control_flow): Change unreachable simple
14940 loop test to check if current block has only one predecessor.
14941 (find_rgns): Initialize degree. Use dest as degree index, not src.
14943 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14945 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14947 * calls.c (expand_call): Likewise for
14948 `old_stack_arg_under_construction'.
14950 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14952 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14955 * gcc.c (execute): Likewise for `ut' and `st'.
14957 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14959 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14961 * jump.c (jump_optimize_1): Likewise for `temp2'.
14963 * local-alloc.c (block_alloc): Likewise for `r1'.
14965 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14967 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14968 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14970 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14973 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14974 and `goal_earlyclobber'.
14976 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14978 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14980 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14982 * unroll.c (copy_loop_body): Likewise for `copy'.
14984 * varasm.c (output_constructor): Likewise for `byte'.
14986 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14988 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14989 all FP constants for constant->reg moves.
14990 (ix86_split_to_parts): Try to convert memory address into immediate
14991 when available in the constant pool.
14992 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14994 (LEGITIMATE_CONSTANT_P): Return 1.
14995 * i386.md (pushsf): New splitter to convert constant pool memory
14996 reference to immediate.
14997 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15000 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15002 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15003 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15004 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15005 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15006 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15008 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15010 * ginclude/stdbool.h: Support compilation as C++.
15012 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15014 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15016 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15018 * regclass.c (regclass): Properly compute loop_cost. Adjust
15021 * regclass.c: Fix minor whitespace problems.
15023 2000-01-03 Anthony Green <green@cygnus.com>
15025 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15026 Restore the pic register if required.
15028 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15030 * c-common.c (format_char_info): Update comment.
15031 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15032 was recognized. Emit warning for formats new in ISO C99 only
15033 if flag_isoc9x is not set.
15035 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15037 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15039 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15041 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15042 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15043 (make_compound_operation): Choose cheaper alternative between
15044 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15046 * regclass.c (op_costs): Remove global variable.
15047 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15048 (record_operand_costs): Break out from ...
15049 (scan_one_insn): ... here.
15050 (dump_regclass): Make dumps nicer.
15051 (regclass): Dump preferrences choosed and changes done during passes.
15053 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15055 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15057 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15059 * config/sparc/sparc.c (gen_df_reg): New function.
15060 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15061 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15062 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15063 movtf_cc_reg_sp64+1): Use it.
15065 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15067 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15068 copied LABEL_DECLs.
15070 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15072 * config/i386/i386.c (ix86_expand_unary_operator): Function
15073 definition made void.
15074 (ix86_expand_binary_operator): Update outdated preceding comment.
15075 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15078 * config/i386/i386.c (override_options): Fix option-name typo.
15080 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15082 * system.h (CEIL): Define.
15083 * builtins.c (CEIL): Remove.
15084 * expmed.c (CEIL): Likewise.
15085 * expr.c (CEIL): Likewise.
15086 * stor-layout.c (CEIL): Likewise.
15088 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15090 * expr.c (store_constructor_field): Fix typo introduced with last
15093 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15095 * tree.h (BINFO_N_BASETYPES): New macro.
15097 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15099 * expmed.c (emit_store_flag): Prevent losing a pending stack
15100 adjust the same way we prevent losing queued increments.
15102 See ChangeLog.2 for earlier changes.
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